CN102280060B

CN102280060B - Teaching experiment device for X-ray unit circuit simulation

Info

Publication number: CN102280060B
Application number: CN 201110207633
Authority: CN
Inventors: 曹允希; 刘慧琴; 王晓艳; 韩丰谈
Original assignee: Taishan Medical University
Current assignee: Taishan Medical University
Priority date: 2011-07-25
Filing date: 2011-07-25
Publication date: 2013-05-22
Anticipated expiration: 2031-07-25
Also published as: CN102280060A

Abstract

The invention discloses a teaching experiment device for X-ray unit circuit simulation, which comprises an X-ray unit circuit demonstration teaching device (1), an X-ray unit lamp filament inverter circuit teaching device (2), an X-ray unit rotating anode starting circuit teaching device (3), an X-ray unit rotating anode protection time-delay circuit teaching device (4), an X-ray unit photography time limit and time limit protection circuit teaching device (5) and a main silicon controlled trigger signal generating device (6). The experiment device contributes to improving a teaching effect and saving funds.

Description

For X-ray machine breadboardin experiment device for teaching

One, technical field

The present invention relates to a kind of experiment device for teaching for the X-ray machine breadboardin of design, the experiment device for teaching of application when especially a kind of medical worker who is adapted to being engaged in medical image carries out teaching, training.

Two, background technology

Medical image is link in early stage of medical diagnosis and therapeutic treatment, how most important the practical teaching result of Medical Imaging is, therefore improving the professional skill of being engaged in the medical image personnel is the important step that guarantees the medical image quality result, in medical imaging, owing to using, the X-ray machine check cost is low, easy to operate, the advantage such as effective of perspective, therefore the operating personnel that use X-ray machine is carried out to training on operation work and seems extremely important.At present, the teaching of Medical Imaging Specialty is all directly on X-ray machine, to give training with training, particularly in college teaching, the X-ray machine quantity not only needed is many, and, when carrying out a project test, may affect again the circuit of whole X-ray machine, simultaneously owing to being whole X-ray machine, be unfavorable for students practise technical ability is cultivated, the student lacks and starts chance, is unfavorable for the raising of student's professional ability.

Three, summary of the invention

In order to overcome above-mentioned technical disadvantages, the object of the invention is to provide a kind of experiment device for teaching for the X-ray machine breadboardin, is conducive to improve experiment teaching effect, has saved again fund simultaneously.

For achieving the above object, the technical scheme that the present invention takes is: include X-ray machine circuit demonstration instructional device, x-ray machine filament inverter circuit instructional device, X-ray machine rotary anode start-up circuit instructional device, X-ray machine rotary anode protection delay circuit instructional device, X-ray machine photography in limited time and holding circuit instructional device and silicon controlled main rectifier trigger pip generating means in limited time.

Due to the electric circuit teaching experimental provision that has designed the X-ray machine simulation, do not re-use the X-ray machine of complete machine, the instructional item of X-ray machine is decomposed, therefore be conducive to improve teaching efficiency, saved fund.

The present invention has designed, and X-ray machine circuit demonstration instructional device 1 is set to include button AN1, button AN2, power supply relay JCO, voltage table V, pilot lamp ZD, selector switch K3-2, selector switch K3-3, relay J 1, relay J 2, transformer B1, voltage table KV, perspective switch SW 2, photoexposure switch SW 1, resistance R 1, resistance R 2, resistance R 3, resistance R 4 and potentiometer W, diode ZB, transformer B2, transformer B3, reometer MA and simulation x-ray utmost point pipe XG, resistance R 3 is set to adjustable, and power supply relay JCO is provided with contact JCO1, contact JCO2, contact JCO3, relay J 1 is provided with contact 1J1 and contact 2J1, relay J 2 is provided with contact 1J2 and contact 2J2, button AN1 is set to be connected in parallel with contact JCO1, the end of button AN1 is set to be connected with the end of button AN2, be connected with contact JCO3 after the other end of button AN2 is set to be connected with power supply relay JCO again with an end of the input end of transformer B1 and be connected, be connected with contact JCO2 after the other end of button AN1 is set to be connected with power supply relay JCO1 again with the other end of the input end of transformer B1 and be connected, voltage table V with the input end of transformer B1, be connected respectively after pilot lamp ZD is set to parallel connection, one end of the output terminal of transformer B1 is set to be connected and be connected in parallel with voltage table KV with selector switch K3-2, perspective switch SW 2 is set to be connected in parallel with the output terminal of transformer B1 after being connected in series with relay J 1, photoexposure switch SW 1 is set to be connected in parallel with the output terminal of transformer B1 after being connected in series with relay J 2, one end of the output terminal of transformer B1 is set to be connected with the junction of transformer B3 input end with transformer B2, the other end of the output terminal of transformer B1 be set to by selector switch K3-3 respectively with the perspective switch SW 2, after resistance R 4 and potentiometer W series connection, with an end of the input end of transformer B2, be connected, the other end of the output terminal of transformer B1 be set to by selector switch K3-3 respectively with photoexposure switch SW 1, be connected contact 1J1 after resistance R 3 series connection with an end of the input end of transformer B2, contact 1J2 and resistance R 1-1 series arm, contact 2J1, after contact 2J2 and resistance R 1-2 series arm are connected in parallel, an end is set to be connected with the adjustable end of the output terminal of transformer B1, the other end is set to be connected with the positive pole of diode ZB and an end of resistance R 2, the other end of the negative pole of diode ZB and resistance R 2 is set to be connected with the input end of transformer B3, the output terminal of transformer B3 is set to reometer MA, with simulation x-ray utmost point pipe XG, be connected respectively, and the output terminal of transformer B2 is set to simulate x-ray utmost point pipe XG negative electrode and connects.

[0007]the present invention has designed, and x-ray machine filament inverter circuit instructional device 2 includes power module, resistance R 1, resistance R 2, resistance R 3, capacitor C 4, capacitor C 5, transformer B1, transformer B2, signal generation block X1, signal controlling piece K1 and displaying block S1, signal generation block X1 is provided with interface 1, interface 2, interface 3, interface 4, interface 5, interface 6, interface 7 and interface 8, signal controlling piece K1 is provided with interface X4T3-1, interface X4T3-2, interface X4T-3, interface X48-4 and power interface, power module is set to the DC voltage of output+15V, the output terminal of power module is set to be connected with interface 1, interface 1 is set to be connected with ground, the output terminal of power module is set to be connected with interface 5 by capacitor C 5, the output terminal of power module is set to be connected respectively with interface 8 with interface 4, the output terminal of power module is set to interface 6, be connected respectively with interface 2 by capacitor C 4, interface 6 is set to interface 7, be connected with resistance R 2 by resistance R 3, interface 7 is set to interface 8, be connected respectively with interface 4 by resistance R 1, the output terminal of power module is set to be connected respectively with displaying block S1 with the power interface of signal controlling piece K1, interface 3 is set to be connected with interface X48-4, interface X4T3-1, interface X4T3-2 is set to transformer B1, with the output terminal of transformer B2, be connected respectively with interface X4T-3.

[0008]the present invention has designed, include transformer B1 for X-ray machine rotary anode start-up circuit instructional device 3, button SW1, relay J C4, relay J C5, relay J C6, X-ray tube anode starting current detects B6, the X-ray tube trigger voltage detects B8, capacitor C A, capacitor C B and single-phase ac asynchronous motor coil, the single-phase ac asynchronous motor coil is set to include coil QQ and coil QY, the end of transformer B1 is set to the end with button SW1, interface 9 with relay J C6-1, the interface 6 of relay J C5-1 is connected with the interface 6 of relay J C6-2, the end of transformer B1 is set to the interface 10 with relay J C5, the interface 10 of relay J C4, the interface 10 of relay J C6, the end of coil QQ is connected respectively with the end of coil QY, the interface 2 of relay J C5 is set to be connected with the other end of button SW1, the interface 11 that the interface 2 of relay J C4 is set to relay J C6-1 connects, the interface 2 of relay J C6 is set to detect B8 by the X-ray tube trigger voltage and is connected with the other end of coil QQ, the interface 2 of relay J C6 is set to be connected with the interface 7 of relay J C5-1, be provided with capacitor C A and the capacitor C B be connected in parallel between the other end of the interface 7 of relay J C5-1 and coil QQ, the other end of coil QY is set to detect B6 by X-ray tube anode starting current and is connected with 7 of relay J C6-2.

[0009]the present invention has designed, and X-ray machine rotary anode protection delay circuit instructional device 4 is set to include power module, resistance R, pilot lamp ZD1, stabilivolt BG209, relay J 4, diode BG208, diode BG207, stabilivolt BG206, triode BG205, triode BG204, diode BG203, diode BG202, diode BG220, diode BG211, diode BG214, diode BG212, diode BG215, diode BG213, diode BG216, resistance R 202, resistance R 203, resistance R 204, resistance R 205, resistance R 206, resistance R 207, resistance R 208, resistance R 209, resistance R 210, capacitor C 201, capacitor C 202, capacitor C 203, capacitor C 204, X-ray tube anode trigger voltage detects B8, the X-ray tube starting current detects filament B6 and the X-ray tube filament current detects B7, and an end of power module is set to the positive pole with diode BG202, one end of resistance R 204, one end of resistance R 207 connects, and the other end of power module is set to the end with pilot lamp ZD1, the positive pole of stabilivolt BG209, one end of relay J 4, the negative pole of diode BG208, one end of capacitor C 201 connects, the negative pole of diode BG202 is set to be connected with diode BG203 is anodal, the negative pole of diode BG203 is set to be connected with the emitter of triode BG204, the negative pole of diode BG203 is set to be connected with the negative pole of stabilivolt BG206 by resistance R 202, and the collector of triode BG204 is set to the other end with relay J 4, the negative pole of stabilivolt BG209 with by resistance R, with the other end of pilot lamp ZD1, be connected, the positive pole of diode BG208 is set to be connected with the negative pole of diode BG207, the positive pole of diode BG207 is set to be connected with stabilivolt BG206 is anodal, stabilivolt BG206 negative pole is set to be connected with the emitter of triode BG205, and the collector of triode BG205 is set to the base stage with triode BG204 by resistance R 203, resistance R 204 other ends connect, the base stage of triode BG205 is set to be connected with the negative pole of diode BG220, the positive pole of diode BG220 is set to be connected with the adjustable end of resistance R 206 by resistance R 205, the other end of capacitor C 201 is set to be connected with the other end of resistance R 207 by resistance R 206, the end that X-ray tube anode trigger voltage detects B8 is set to be connected with the positive pole of diode BG214, and the negative pole of BG214 is set to the negative pole with diode BG211, one end of resistance R 208, one end of capacitor C 202 connects, and the end that X-ray tube anode starting current detects B6 is set to be connected with the positive pole of diode BG215, and the negative pole of BG215 is set to the negative pole with diode BG212, one end of resistance R 209, one end of capacitor C 203 connects, and the end that the X-ray tube filament current detects B7 is set to be connected with the positive pole of diode BG216, and the negative pole of BG216 is set to the negative pole with diode BG213, one end of resistance R 210, one end of capacitor C 204 connects, diode BG211, the positive pole of diode BG212 and diode BG213 is set to be connected with the other end of resistance R 207, and X-ray tube anode trigger voltage detects the other end of B8, X-ray tube anode starting current detects the other end of B6, the X-ray tube filament current detects the other end of B7, the other end of resistance R 208, the other end of capacitor C 202, the other end of resistance R 209, the other end of capacitor C 203, the other end of resistance R 210, the other end of capacitor C 204 is set to be connected with an end of capacitor C 201.

[0010]the present invention has designed, the X-ray machine photography is set to include stabilized voltage supply and zero-signal generating means 51 with the holding circuit instructional device 5 of prescribing a time limit in limited time, interface CH9-10, interface CH9-22, interface CH9-12, button SW2, diode BG21, diode BG22, diode BG24, diode BG25, triode BG92, triode BG93, thyristor BG97, thyristor BG98, resistance R 67, resistance R 70, resistance R Y, resistance R 60, resistance R 52, resistance R 68, resistance R 51, resistance R 53, resistance R 61, resistance R 62, resistance R 63, resistance R 56, resistance R 55, resistance R 54, resistance R 59, resistance R 58, resistance R 57, resistance R 64, resistance R 66, resistance R 65, adjustable resistance RX1-RX3, capacitor C 23, capacitor C 21, capacitor C 22, capacitor C 14, relay J 8, relay J 7, relay J 6 and relay J C4A, the JC4B contact, stabilized voltage supply and zero-signal generating means 51 are provided with interface CH14-2, interface CH14-6 and interface CH14-9, interface CH14-2 is set to be connected with interface CH9-10, interface CH14-6 is set to be connected with interface CH9-22, interface CH14-9 is set to be connected with interface CH9-12, interface CH9-10 is set to the positive pole with capacitor C 23, one end of resistance R 61 is connected with an end of resistance R 65, interface CH9-22 is set to the negative pole with capacitor C 23, the contact 2 of relay J 7A connects, interface CH9-12 is set to be connected with button SW2, the other end of button SW2 is set to the positive pole with diode BG21, diode BG22 is anodal to be connected, the negative pole of diode BG21 is set to by resistance R 67, resistance R Y, the contact 1 of relay J C4A and contact 3, the contact 6 of relay J C4B is connected with the negative electrode of thyristor BG98 with contact 5, the negative pole of diode BG22 is set to by resistance R 54, resistance R 55 is connected with triode BG92 collector, the negative pole of diode BG22 is set to by adjustable resistance RX1-RX3, resistance R 51, resistance R 53 is connected with the base stage of triode BG92, the positive pole of diode BG21 is set to the end with resistance R 70, the negative pole of diode BG25, one end of relay J 6 connects, the other end of resistance R 70, the positive pole of diode BG25, the other end of relay J 6 is set to be connected with the contact 2 of relay J 8, the contact 8 of relay J 7A is set to be connected with the emitter of unijunction transistor BG92 by resistance R 52, the contact 2 of relay J 7A is set to be connected with the negative electrode of thyristor BG97, the positive pole of capacitor C 23 is set to by relay

J 7B contact

7 and 1, resistance R 60, resistance R 68 is connected with the emitter of unijunction transistor BG93, the contact 1 of relay J C4A is set to be connected with the intermediate connection point of resistance R 68 with resistance R 60, the emitter of unijunction transistor BG93 is set to by capacitor C 21, capacitor C 22 is connected with the emitter of triode BG92, the base stage of unijunction transistor BG93 is set to by resistance R 63, resistance R 56 is connected with the base stage of unijunction transistor BG92, the contact 2 of relay J 7A is set to and the negative pole of capacitor C 21 and the negative pole intermediate connection point of capacitor C 22, resistance R 63 is connected with resistance R 56 intermediate connection points, the other end of resistance R 61 is set to be connected with the base stage of unijunction transistor BG93 by resistance R 62, the negative pole of diode BG22 is set to the end with resistance R 58 by resistance R 59, one end of relay J 7, the negative pole of diode BG24 connects, the other end of resistance R 58, the other end of relay J 7, the positive pole of diode BG24 is set to the anodic bonding with thyristor BG97, the negative electrode utmost point of thyristor BG97 is set to be connected with the base stage of unijunction transistor BG92 by resistance R 57, the negative electrode of thyristor BG97 is set to be connected with the contact 6 of relay J C4B, the negative electrode of thyristor BG98 is set to be connected with the base stage of unijunction transistor BG93 by resistance R 64, the other end of resistance R 65 is set to the end with relay J 8, the positive pole of capacitor C 14, one end of resistance R 66 connects, the other end of relay J 8, the negative pole of capacitor C 14, the other end of resistance R 66 is set to the anodic bonding with thyristor BG98.

[0011]the present invention has designed, and stabilized voltage supply and zero-signal generating means 51 are set to include transformer BG12-1, BG12-2, bridge-type reorganizer BG14, bridge-type reorganizer BG16, resistance R 28, resistance R 29, resistance R 30a, resistance R 30b, resistance R 31, resistance R 32, resistance R 33, resistance R 34, resistance R 35, resistance R 36, resistance R 21, capacitor C 19, capacitor C 15, capacitor C 16, capacitor C 17, capacitor C 18, diode BG15, stabilivolt BG71, triode BG85, triode BG83, triode BG84, thyristor BG96, relay J 9 contacts and relay J 13, the output terminal of transformer BG12-1 is set to be connected with the input end of bridge-type reorganizer BG14, one end of the output terminal of bridge-type reorganizer BG14 is set to be connected with the collector of triode BG83, the emitter of triode BG83 is set to interface CH14-2, the other end of the output terminal of bridge-type reorganizer BG14 is set to interface CH14-6, an end of relay J 9 contacts, the positive pole of capacitor C 15 is set to be connected with the collector of triode BG83, and the other end of relay J 9 is set to the end with relay J 13 by resistance R 31, the positive pole of capacitor C 18 connects, the collector of triode BG83 is set to be connected with the base stage of triode BG83 by resistance R 32, the base stage of triode BG83 is set to be connected with the collector of triode BG84, the emitter of triode BG84 is set to be connected with the negative pole of stabilivolt BG71, the base stage of triode BG84 is set to be connected with the adjustable end of resistance R 35, one end of resistance R 33 is set to be connected with the negative pole of stabilivolt BG71, resistance R 35 is set to connect with resistance R 34 and resistance R 36, the negative pole of capacitor C 16 is connected with the negative pole of capacitor C 17, the positive pole of capacitor C 17 is set to be connected with relay J 13 contacts 2 by resistance R 21, the other end of resistance R 33, one end of resistance R 34, the positive pole of capacitor C 16, the contact 8 of relay J 13 is set to be connected with the emitter of triode BG83, the other end of relay J 13, the negative pole of capacitor C 18, the negative pole of capacitor C 15, the positive pole of stabilivolt BG71, one end of resistance R 36, the negative pole of capacitor C 16 is set to be connected with interface CH14-6, the output terminal of transformer BG12-2 is set to be connected with the input end of bridge-type reorganizer BG16, one end of the output terminal of bridge-type reorganizer BG16 is set to the positive pole with diode BG15, one end of resistance R 28, one end of resistance R 29 connects, the other end of the output terminal of bridge-type reorganizer BG16 is set to interface CH14-9, the other end of resistance R 29 is connected with the base stage of triode BG85, the negative pole of diode BG15 is set to be connected with the positive pole of capacitor C 19, resistance R 30a is connected with the negative pole of diode BG15 with an end after resistance R 30b parallel connection, the other end is set to be connected with the control utmost point of thyristor BG96, the anode of thyristor BG96 is set to be connected with interface CH14-2, the emitter of triode BG85 is set to be connected with the negative electrode of thyristor BG96, the other end of resistance R 28, the negative pole of capacitor C 19 is set to be connected with interface CH14-9.

[0012]the present invention has designed, and silicon controlled main rectifier trigger pip generating means arranges 6 for including transformer B12, bridge-type reorganizer BG12, capacitor C 12, resistance R 45, resistance R 46, resistance R 47, resistance R 48a, resistance R 48b, resistance R 48c, resistance R 49, triode BG82, thyristor BG17, relay J 6, relay J 7 and pilot lamp ZD2, the output terminal of transformer B12 is set to be connected with the input end of bridge-type reorganizer BG12, and an end of the output terminal of bridge-type reorganizer BG12 is set to interface CH16-1, the other end is set to interface CH16-2, the positive pole of capacitor C 12, one end of resistance R 45, one end of relay J 6 contacts, one end of resistance R 49 is set to be connected with interface CH16-1, the negative pole of capacitor C 12, the other end of resistance R 45, one end of resistance R 46, the emitter and collector of triode BG82, one end of relay J 7 is set to be connected with interface CH16-2, the other end of resistance R 46 is set to be connected with the base stage of triode BG82, the other end of relay J 6 contacts is set to be connected with the base stage of triode BG82 by resistance R 47, the other end of resistance R 49 is set to be connected with the other end of relay J 7 by pilot lamp ZD2, interface CH16-1 is set to be connected with the control utmost point of thyristor BG17, and interface CH16-2 is set to be connected with the negative electrode of thyristor BG17.

Four, accompanying drawing explanation

Fig. 1 is block scheme of the present invention:

The circuit diagram that Fig. 2 is X-ray machine circuit demonstration instructional device 1:

The circuit diagram that Fig. 3 is x-ray machine filament inverter circuit instructional device 2:

The circuit diagram that Fig. 4 is X-ray machine rotary anode start-up circuit instructional device 3:

The circuit diagram that Fig. 5 is X-ray machine rotary anode protection delay circuit instructional device 4:

Fig. 6 is the X-ray machine photography circuit diagram of holding circuit instructional device 5 in limited time and in limited time:

Fig. 7 is stabilized voltage supply and zero-signal generating means 51 circuit diagrams:

The circuit diagram that Fig. 8 is silicon controlled main rectifier trigger pip generating means 6.

Five, embodiment

The block scheme that Fig. 1 is first embodiment of the present invention; illustrate by reference to the accompanying drawings the present embodiment, include X-ray machine circuit demonstration instructional device 1, x-ray machine filament inverter circuit instructional device 2, X-ray machine rotary anode start-up circuit instructional device 3, X-ray machine rotary anode protection delay circuit instructional device 4, X-ray machine photography in limited time and holding circuit instructional device 5 and silicon controlled main rectifier trigger pip generating means 6 in limited time.

In the present embodiment, X-ray machine circuit demonstration instructional device 1 is set to include button AN1, button AN2, power supply relay JCO, voltage table V, pilot lamp ZD, selector switch K3-2, selector switch K3-3, relay J 1, relay J 2, transformer B1, voltage table KV, perspective switch SW 2, photoexposure switch SW 1, resistance R 1, resistance R 2, resistance R 3, resistance R 4 and potentiometer W, diode ZB, transformer B2, transformer B3, reometer MA and simulation x-ray utmost point pipe XG, resistance R 3 is set to adjustable, and power supply relay JCO is provided with contact JCO1, contact JCO2, contact JCO3, relay J 1 is provided with contact 1J1 and contact 2J1, relay J 2 is provided with contact 1J2 and contact 2J2, button AN1 is set to be connected in parallel with contact JCO1, the end of button AN1 is set to be connected with the end of button AN2, be connected with contact JCO3 after the other end of button AN2 is set to be connected with power supply relay JCO again with an end of the input end of transformer B1 and be connected, be connected with contact JCO2 after the other end of button AN1 is set to be connected with power supply relay JCO1 again with the other end of the input end of transformer B1 and be connected, voltage table V with the input end of transformer B1, be connected respectively after pilot lamp ZD is set to parallel connection, one end of the output terminal of transformer B1 is set to be connected and be connected in parallel with voltage table KV with selector switch K3-2, perspective switch SW 2 is set to be connected in parallel with the output terminal of transformer B1 after being connected in series with relay J 1, photoexposure switch SW 1 is set to be connected in parallel with the output terminal of transformer B1 after being connected in series with relay J 2, one end of the output terminal of transformer B1 is set to be connected with the junction of transformer B3 input end with transformer B2, the other end of the output terminal of transformer B1 be set to by selector switch K3-3 respectively with the perspective switch SW 2, after resistance R 4 and potentiometer W series connection, with an end of the input end of transformer B2, be connected, the other end of the output terminal of transformer B1 be set to by selector switch K3-3 respectively with photoexposure switch SW 1, be connected contact 1J1 after resistance R 3 series connection with an end of the input end of transformer B2, contact 1J2 and resistance R 1-1 series arm, contact 2J1, after contact 2J2 and resistance R 1-2 series arm are connected in parallel, an end is set to be connected with the adjustable end of the output terminal of transformer B1, the other end is set to be connected with the positive pole of diode ZB and an end of resistance R 2, the other end of the negative pole of diode ZB and resistance R 2 is set to be connected with the input end of transformer B3, the output terminal of transformer B3 is set to reometer MA, with simulation x-ray utmost point pipe XG, be connected respectively, and the output terminal of transformer B2 is set to simulate x-ray utmost point pipe XG negative electrode and connects.

[0016]press the button AN1, power supply relay JCO work self-locking, its contact JCO2, JCO3 closure, the supply voltage Table V has indication, and power light ZD is bright simultaneously.Press the button AN2, the JCO relay electric-loss; The perspective operating circuit: selector switch K3-1 ~ K3-3 is allocated to the perspective duty, after pressing the button, relay J 1 work, 1J1,1J2 closure, high-tension transformer B3 obtains electric, and the mA table has indication, simulation X-ray machine tube current.Regulate perspective tube current potentiometer W, the indication of mA table changes; Camera work circuit: selector switch K3-1 ~ K3-3 is allocated to the camera work state, presses the photoexposure switch, relay J 2 work, 2J1,2J2 closure, exposure starts, and produces simulation X-ray machine tube current, to the time shutter, the mA table has indication, X-ray machine end exposure.Change photography tube current regulating resistance R3, exposed, the indication of mA table changes.

In the present embodiment, x-ray machine filament inverter circuit instructional device 2 includes power module, resistance R 1, resistance R 2, resistance R 3, capacitor C 4, capacitor C 5, transformer B1, transformer B2, signal generation block X1, signal controlling piece K1 and displaying block S1, signal generation block X1 is provided with interface 1, interface 2, interface 3, interface 4, interface 5, interface 6, interface 7 and interface 8, signal controlling piece K1 is provided with interface X4T3-1, interface X4T3-2, interface X4T-3, interface X48-4 and power interface, power module is set to the DC voltage of output+15V, the output terminal of power module is set to be connected with interface 1, interface 1 is set to be connected with ground, the output terminal of power module is set to be connected with interface 5 by capacitor C 5, the output terminal of power module is set to be connected respectively with interface 8 with interface 4, the output terminal of power module is set to interface 6, be connected respectively with interface 2 by capacitor C 4, interface 6 is set to interface 7, be connected with resistance R 2 by resistance R 3, interface 7 is set to interface 8, be connected respectively with interface 4 by resistance R 1, the output terminal of power module is set to be connected respectively with displaying block S1 with the power interface of signal controlling piece K1, interface 3 is set to be connected with interface X48-4, interface X4T3-1, interface X4T3-2 is set to transformer B1, with the output terminal of transformer B2, be connected respectively with interface X4T-3.

[0018]signal generation block X1 is set to the signal generating circuit module that the NE555 integrated circuit forms, and signal controlling piece K1 is set to the X48-4 MA control signal module that the BOARD4 integrated circuit forms.

Power circuit: the two 70V alternating voltages of the secondary output of a routing transformer, two voltage-phases differ 180, through rectifying and wave-filtering, voltage adjustment stable output+80V, the DC voltage of-80V, add on the source electrode and drain electrode of field effect transistor G3, G4; The secondary output 18V of another routing transformer alternating voltage, through rectifying and wave-filtering, 7815 integrated circuit voltage stabilizings, output+15V DC voltage, supply with pulse signal generation circuit and MA Circuit tuning; Signal generating circuit: the signal generating circuit that the NE555 integrated circuit forms, produce 1:1≤the 1KHZ square wave export by 3 ends, supply BOARD4 plate X48-4 MA control signal; The MA Circuit tuning: by X48-4 come 1:1≤1KHZ MA control signal, this MA signal is larger, inputs the square-wave signal frequency higher.This signal is by the D1 two divided-frequency, and the D1 negative edge is effective.4538 form monostable carries out width modulation to corresponding MA control signal, through 4051,8 select 1 circuit gating, the ABC end signal is depended in 4051 output, this signal is the corresponding bed provided by CPU, the coding site of focus size send D2B and D2C to supply with T3, T4 inversion through pulse transformer T1, T2 again together with the MA control signal, produces an alternating voltage, supplies with filament transformer elementary.Wherein, F1 is little focus, and F2 is large focal spot, and F03 is common port; By transformer secondary output output 9V alternating voltage, be adjusted into the 5V DC voltage through rectification, filtering, voltage stabilizing, the 5V DC voltage is provided to digital display circuit.

In the present embodiment, include transformer B1 for X-ray machine rotary anode start-up circuit instructional device 3, button SW1, relay J C4, relay J C5, relay J C6, X-ray tube anode starting current detects B6, the X-ray tube trigger voltage detects B8, capacitor C A, capacitor C B and single-phase ac asynchronous motor coil, the single-phase ac asynchronous motor coil is set to include coil QQ and coil QY, the end of transformer B1 is set to the end with button SW1, interface 9 with relay J C6-1, the interface 6 of relay J C5-1 is connected with the interface 6 of relay J C6-2, the end of transformer B1 is set to the interface 10 with relay J C5, the interface 10 of relay J C4, the interface 10 of relay J C6, the end of coil QQ is connected respectively with the end of coil QY, the interface 2 of relay J C5 is set to be connected with the other end of button SW1, the interface 11 that the interface 2 of relay J C4 is set to relay J C6-1 connects, the interface 2 of relay J C6 is set to detect B8 by the X-ray tube trigger voltage and is connected with the other end of coil QQ, the interface 2 of relay J C6 is set to be connected with the interface 7 of relay J C5-1, be provided with capacitor C A and the capacitor C B be connected in parallel between the other end of the interface 7 of relay J C5-1 and coil QQ, the other end of coil QY is set to detect B6 by X-ray tube anode starting current and is connected with 7 of relay J C6-2.

The rotation of X-ray tube, be actually the principle of utilizing single-phase ac asynchronous motor and produce rotating magnetic field, makes the rotor be enclosed in X-ray tube obtain rotating torque, drives the anode rotor and normally rotate; Single-phase ac asynchronous motor is comprised of stator winding and rotor two parts, and rotor is contained on X-ray tube plate target axle.Stator consists of unshakable in one's determination and stator winding, and it is contained in the X-ray tube outer wall by anode tap.Stator winding is divided into Working winding and starts winding.In order to make motor energy automatic rotation, two windings differ 90 in circular stator core ^oelectric angle, when differing 90 on the time ^otwo-phase alternating current introduce stator winding, just produce rotating magnetic field, make to manage internal rotor rotation (being the rotation of X-tube anode); While selecting the X-ray machine commonness photograph, press the rim brake photography and prepare relay J C5 work, make JC6 obtain electric work, startup winding and Working winding obtain electric, and the X-ray tube anode starts rotation, after JC6 work, normal opened contact 9,11 closures, JC4 work, for the X-ray machine delay switching circuit is prepared.When lifting rim brake JC5, JC6 outage, anode stops operating.

In the present embodiment, X-ray machine rotary anode protection delay circuit instructional device 4 is set to include power module, resistance R, pilot lamp ZD1, stabilivolt BG209, relay J 4, diode BG208, diode BG207, stabilivolt BG206, triode BG205, triode BG204, diode BG203, diode BG202, diode BG220, diode BG211, diode BG214, diode BG212, diode BG215, diode BG213, diode BG216, resistance R 202, resistance R 203, resistance R 204, resistance R 205, resistance R 206, resistance R 207, resistance R 208, resistance R 209, resistance R 210, capacitor C 201, capacitor C 202, capacitor C 203, capacitor C 204, X-ray tube anode trigger voltage detects B8, the X-ray tube starting current detects filament B6 and the X-ray tube filament current detects B7, and an end of power module is set to the positive pole with diode BG202, one end of resistance R 204, one end of resistance R 207 connects, and the other end of power module is set to the end with pilot lamp ZD1, the positive pole of stabilivolt BG209, one end of relay J 4, the negative pole of diode BG208, one end of capacitor C 201 connects, the negative pole of diode BG202 is set to be connected with diode BG203 is anodal, the negative pole of diode BG203 is set to be connected with the emitter of triode BG204, the negative pole of diode BG203 is set to be connected with the negative pole of stabilivolt BG206 by resistance R 202, and the collector of triode BG204 is set to the other end with relay J 4, the negative pole of stabilivolt BG209 with by resistance R, with the other end of pilot lamp ZD1, be connected, the positive pole of diode BG208 is set to be connected with the negative pole of diode BG207, the positive pole of diode BG207 is set to be connected with stabilivolt BG206 is anodal, stabilivolt BG206 negative pole is set to be connected with the emitter of triode BG205, and the collector of triode BG205 is set to the base stage with triode BG204 by resistance R 203, resistance R 204 other ends connect, the base stage of triode BG205 is set to be connected with the negative pole of diode BG220, the positive pole of diode BG220 is set to be connected with the adjustable end of resistance R 206 by resistance R 205, the other end of capacitor C 201 is set to be connected with the other end of resistance R 207 by resistance R 206, the end that X-ray tube anode trigger voltage detects B8 is set to be connected with the positive pole of diode BG214, and the negative pole of BG214 is set to the negative pole with diode BG211, one end of resistance R 208, one end of capacitor C 202 connects, and the end that X-ray tube anode starting current detects B6 is set to be connected with the positive pole of diode BG215, and the negative pole of BG215 is set to the negative pole with diode BG212, one end of resistance R 209, one end of capacitor C 203 connects, and the end that the X-ray tube filament current detects B7 is set to be connected with the positive pole of diode BG216, and the negative pole of BG216 is set to the negative pole with diode BG213, one end of resistance R 210, one end of capacitor C 204 connects, diode BG211, the positive pole of diode BG212 and diode BG213 is set to be connected with the other end of resistance R 207, and X-ray tube anode trigger voltage detects the other end of B8, X-ray tube anode starting current detects the other end of B6, the X-ray tube filament current detects the other end of B7, the other end of resistance R 208, the other end of capacitor C 202, the other end of resistance R 209, the other end of capacitor C 203, the other end of resistance R 210, the other end of capacitor C 204 is set to be connected with an end of capacitor C 201.

By power module, as direct supply, through resistance R 202 and BG206 again voltage stabilizing as the reference voltage of BG205.Signal input circuit forms with door by three, and the signal input voltage of each AND circuit is supplied with by the secondary signal of B6, B7, B8, and each AND circuit is comprised of mutual inductor secondary winding, commutation diode, filter capacitor, resistance; After machine connecting power, step-down due to R207, make A point current potential be approximately the 1.2V left and right, therefore, the base potential of triode BG205 is lower than emitter current potential (7.9V), the duty of triode BG205 is cut-off, and capacitor C 201 charging voltages are by BG211(or BG212, BG213) and R208(or R209, R210) bypass; Defencive function: when X-ray tube filament heating circuit, rotary anode start winding, Working winding opens circuit or during short circuit, B6, B7, B8 play a protective role; Delay function: regulator potentiometer R206 changes capacitor C 201 charging rates, and delay time is generally 0.8 ~ 1.2 second, thereby changes the time of pilot relay J4 work; After rim brake is pressed, rotary anode starts, through the time delay of 0.8 ~ 1.2 second, B ₆, B ₇, B ₈secondary generation one induced voltage, respectively through BG ₂₁₄, BG ₂₁₅, BG ₂₁₆rectification, C ₂₀₄, C ₂₀₃, C ₂₀₂filtering, at R ₂₁₀, R ₂₀₉, R ₂₀₈two ends obtain the DC voltage of about 10V, make diode BG ₂₁₃, BG ₂₁₂, BG ₂₁₁the reverse bias cut-off.Stabilized voltage supply is through R ₂₀₇, R ₂₀₆give capacitor C ₂₀₁while charging to 9V, BG ₂₀₅conducting, BG ₂₀₄conducting, relay J ₄work.After end exposure, B ₆, B ₈dead electricity, B ₇because filament low-temperature prewarming electric current reduces, BG ₂₁₁, BG ₂₁₂, BG ₂₁₃conducting, C ₂₀₁through R ₂₀₈, R ₂₀₉, R ₂₁₀electric discharge.

In the present embodiment, the X-ray machine photography is set to include stabilized voltage supply and zero-signal generating means 51 with the holding circuit instructional device 5 of prescribing a time limit in limited time, interface CH9-10, interface CH9-22, interface CH9-12, button SW2, diode BG21, diode BG22, diode BG24, diode BG25, triode BG92, triode BG93, thyristor BG97, thyristor BG98, resistance R 67, resistance R 70, resistance R Y, resistance R 60, resistance R 52, resistance R 68, resistance R 51, resistance R 53, resistance R 61, resistance R 62, resistance R 63, resistance R 56, resistance R 55, resistance R 54, resistance R 59, resistance R 58, resistance R 57, resistance R 64, resistance R 66, resistance R 65, adjustable resistance RX1-RX3, capacitor C 23, capacitor C 21, capacitor C 22, capacitor C 14, relay J 8, relay J 7, relay J 6 and relay J C4A, the JC4B contact, stabilized voltage supply and zero-signal generating means 51 are provided with interface CH14-2, interface CH14-6 and interface CH14-9, interface CH14-2 is set to be connected with interface CH9-10, interface CH14-6 is set to be connected with interface CH9-22, interface CH14-9 is set to be connected with interface CH9-12, interface CH9-10 is set to the positive pole with capacitor C 23, one end of resistance R 61 is connected with an end of resistance R 65, interface CH9-22 is set to the negative pole with capacitor C 23, the contact 2 of relay J 7A connects, interface CH9-12 is set to be connected with button SW2, the other end of button SW2 is set to the positive pole with diode BG21, diode BG22 is anodal to be connected, the negative pole of diode BG21 is set to by resistance R 67, resistance R Y, the contact 1 of relay J C4A and contact 3, the contact 6 of relay J C4B is connected with the negative electrode of thyristor BG98 with contact 5, the negative pole of diode BG22 is set to by resistance R 54, resistance R 55 is connected with triode BG92 collector, the negative pole of diode BG22 is set to by adjustable resistance RX1-RX3, resistance R 51, resistance R 53 is connected with the base stage of triode BG92, the positive pole of diode BG21 is set to the end with resistance R 70, the negative pole of diode BG25, one end of relay J 6 connects, the other end of resistance R 70, the positive pole of diode BG25, the other end of relay J 6 is set to be connected with the contact 2 of relay J 8, the contact 8 of relay J 7A is set to be connected with the emitter of unijunction transistor BG92 by resistance R 52, the contact 2 of relay J 7A is set to be connected with the negative electrode of thyristor BG97, the positive pole of capacitor C 23 is set to by relay

J 7B contact

[0025]make relay J 6 work when pressing SW2 exposure button Shi， mono-tunnel, relay J 6 normally opened contact closures, exposure starts.Another road electric current is by resistance R X1(RX2, RX3) to capacitor C22, charge, when being charged to the voltage certain value, unijunction transistor BG92 conducting, thyristor BG97 controls the utmost point and obtains a trigger pulse, makes the BG97 conducting, relay J 7 work, the 2-8 normally closed contact of J7A disconnects, relay J 6 dead electricity, relay J 6 closing contacts are opened, and exposure finishes in limited time.Work due to J7; 7 and 1 closure of another normally opened contact of J7 J7B; the 25V supply voltage is to capacitor C 21 rapid charges; BG93, BG98 conducting; relay J 8 work; 2 and 4 closing contacts of relay J 8 disconnect, and guarantee that the J6 relay coil cuts off the power supply again, thereby play exposure protective effect in limited time.

Stabilized voltage supply and zero-signal generating means 51 are set to include transformer BG12-1, BG12-2, bridge-type reorganizer BG14, bridge-type reorganizer BG16, resistance R 28, resistance R 29, resistance R 30a, resistance R 30b, resistance R 31, resistance R 32, resistance R 33, resistance R 34, resistance R 35, resistance R 36, resistance R 21, capacitor C 19, capacitor C 15, capacitor C 16, capacitor C 17, capacitor C 18, diode BG15, stabilivolt BG71, triode BG85, triode BG83, triode BG84, thyristor BG96, relay J 9 contacts and relay J 13, the output terminal of transformer BG12-1 is set to be connected with the input end of bridge-type reorganizer BG14, one end of the output terminal of bridge-type reorganizer BG14 is set to be connected with the collector of triode BG83, the emitter of triode BG83 is set to interface CH14-2, the other end of the output terminal of bridge-type reorganizer BG14 is set to interface CH14-6, an end of relay J 9 contacts, the positive pole of capacitor C 15 is set to be connected with the collector of triode BG83, and the other end of relay J 9 is set to the end with relay J 13 by resistance R 31, the positive pole of capacitor C 18 connects, the collector of triode BG83 is set to be connected with the base stage of triode BG83 by resistance R 32, the base stage of triode BG83 is set to be connected with the collector of triode BG84, the emitter of triode BG84 is set to be connected with the negative pole of stabilivolt BG71, the base stage of triode BG84 is set to be connected with the adjustable end of resistance R 35, one end of resistance R 33 is set to be connected with the negative pole of stabilivolt BG71, resistance R 35 is set to connect with resistance R 34 and resistance R 36, the negative pole of capacitor C 16 is connected with the negative pole of capacitor C 17, the positive pole of capacitor C 17 is set to be connected with relay J 13 contacts 2 by resistance R 21, the other end of resistance R 33, one end of resistance R 34, the positive pole of capacitor C 16, the contact 8 of relay J 13 is set to be connected with the emitter of triode BG83, the other end of relay J 13, the negative pole of capacitor C 18, the negative pole of capacitor C 15, the positive pole of stabilivolt BG71, one end of resistance R 36, the negative pole of capacitor C 16 is set to be connected with interface CH14-6, the output terminal of transformer BG12-2 is set to be connected with the input end of bridge-type reorganizer BG16, one end of the output terminal of bridge-type reorganizer BG16 is set to the positive pole with diode BG15, one end of resistance R 28, one end of resistance R 29 connects, the other end of the output terminal of bridge-type reorganizer BG16 is set to interface CH14-9, the other end of resistance R 29 is connected with the base stage of triode BG85, the negative pole of diode BG15 is set to be connected with the positive pole of capacitor C 19, resistance R 30a is connected with the negative pole of diode BG15 with an end after resistance R 30b parallel connection, the other end is set to be connected with the control utmost point of thyristor BG96, the anode of thyristor BG96 is set to be connected with interface CH14-2, the emitter of triode BG85 is set to be connected with the negative electrode of thyristor BG96, the other end of resistance R 28, the negative pole of capacitor C 19 is set to be connected with interface CH14-9.

[0027]voltage-stabilized power supply circuit provides the 30V supply voltage by transformer BG12, by BG14 rectification, C15 filtering, again after BG83, BG84, BG71 and R34 ~ R36 voltage regulation of voltage regulation, the power supply at the direct current 25V voltage of CH14-2 and CH14-6 two ends stable output as delay switching circuit.The zero-signal circuit for generating mainly contains triode BG85 and controllable silicon BG96 forms.After start, BG12 time level provides the 22V alternating voltage, with the supply voltage same-phase, this voltage becomes pulsating dc voltage and is added in c, a two ends after the BG16 rectification, when this voltage is near zero point, BG85 is zero potential because of base potential, triode BG85 cut-off, control between the utmost point and negative electrode and occur that a pointed pulse signal triggers BG96 and makes its conducting at BG96, the 25V DC voltage is added in delay switching circuit.

Silicon controlled main rectifier trigger pip generating means arranges 6 for including transformer B12, bridge rectifier BG12, capacitor C 12, resistance R 45, resistance R 46, resistance R 47, resistance R 48a, resistance R 48b, resistance R 48c, resistance R 49, triode BG82, thyristor BG17, relay J 6, relay J 7 and pilot lamp ZD2, the output terminal of transformer B12 is set to be connected with the input end of bridge-type reorganizer BG12, and an end of the output terminal of bridge-type reorganizer BG12 is set to interface CH16-1, the other end is set to interface CH16-2, the positive pole of capacitor C 12, one end of resistance R 45, one end of relay J 6 contacts, one end of resistance R 49 is set to be connected with interface CH16-1, the negative pole of capacitor C 12, the other end of resistance R 45, one end of resistance R 46, the emitter and collector of triode BG82, one end of relay J 7 is set to be connected with interface CH16-2, the other end of resistance R 46 is set to be connected with the base stage of triode BG82, the other end of relay J 6 contacts is set to be connected with the base stage of triode BG82 by resistance R 47, the other end of resistance R 49 is set to be connected with the other end of relay J 7 by pilot lamp ZD2, interface CH16-1 is set to be connected with the control utmost point of thyristor BG17, and interface CH16-2 is set to be connected with the negative electrode of thyristor BG17.

[0029]the duty of this circuit triode BG82 is the switch on and off state; When relay J 6 normally closed contacts are closed, the BG82 conducting, circuit output DC trigger signal, exposure starts, and exposure indicator ZD2 is bright.When relay J 6 normally closed contacts are opened, the BG82 cut-off, the output of circuit Triggerless, now, pilot lamp ZD2 goes out, end exposure.

The present invention possesses following characteristics:

1, due to the experiment device for teaching that has designed the X-ray machine breadboardin, do not re-use the X-ray machine analogue means of complete machine, the instructional item of X-ray machine circuit is decomposed, improved teaching efficiency, saved fund.

2, owing to having designed x-ray machine filament inverter circuit instructional device, X-ray machine rotary anode start-up circuit instructional device, X-ray machine rotary anode protection delay circuit instructional device and X-ray machine photography, prescribe a time limit and the holding circuit instructional device of prescribing a time limit; cover the main project of X-ray machine circuit, be conducive to improve students' skill.

3, owing to having designed x-ray machine filament inverter circuit instructional device, X-ray machine rotary anode start-up circuit instructional device, X-ray machine rotary anode protection delay circuit instructional device and X-ray machine photography, prescribe a time limit and the holding circuit instructional device of prescribing a time limit; identical with X-ray machine circuit working principle; simulation degree is high, has improved student's actual operational capacity.

In the experiment device for teaching technical field for the X-ray machine breadboardin, all include X-ray machine circuit demonstration instructional device 1, x-ray machine filament inverter circuit instructional device 2, X-ray machine rotary anode start-up circuit instructional device 3, X-ray machine rotary anode protection delay circuit instructional device 4, X-ray machine photography in limited time with the technology contents of holding circuit instructional device 5 and silicon controlled main rectifier trigger pip generating means 6 in limited time all in protection scope of the present invention.

Claims

1. the experiment device for teaching for the X-ray machine breadboardin is characterized in that: include X-ray machine circuit demonstration instructional device (1), x-ray machine filament inverter circuit instructional device (2), X-ray machine rotary anode start-up circuit instructional device (3), X-ray machine rotary anode protection delay circuit instructional device (4), X-ray machine photography in limited time and holding circuit instructional device (5) and silicon controlled main rectifier trigger pip generating means (6) in limited time, X-ray machine circuit demonstration instructional device (1) is set to include button AN1, button AN2, power supply relay JCO, voltage table V, pilot lamp ZD, selector switch K3-2, selector switch K3-3, relay J 1, relay J 2, transformer B1, voltage table KV, perspective switch SW 2, photoexposure switch SW 1, resistance R 1, resistance R 2, resistance R 3, resistance R 4 and potentiometer W, diode ZB, transformer B2, transformer B3, reometer MA and simulation x-ray utmost point pipe XG, resistance R 3 is set to adjustable, and power supply relay JCO is provided with contact JCO1, contact JCO2, contact JCO3, relay J 1 is provided with contact 1J1 and contact 2J1, relay J 2 is provided with contact 1J2 and contact 2J2, button AN1 is set to be connected in parallel with contact JCO1, the end of button AN1 is set to be connected with the end of button AN2, be connected with contact JCO3 after the other end of button AN2 is set to be connected with power supply relay JCO again with an end of the input end of transformer B1 and be connected, be connected with contact JCO2 after the other end of button AN1 is set to be connected with power supply relay JCO1 again with the other end of the input end of transformer B1 and be connected, voltage table V with the input end of transformer B1, be connected respectively after pilot lamp ZD is set to parallel connection, one end of the output terminal of transformer B1 is set to be connected and be connected in parallel with voltage table KV with selector switch K3-2, perspective switch SW 2 is set to be connected in parallel with the output terminal of transformer B1 after being connected in series with relay J 1, photoexposure switch SW 1 is set to be connected in parallel with the output terminal of transformer B1 after being connected in series with relay J 2, one end of the output terminal of transformer B1 is set to be connected with the junction of transformer B3 input end with transformer B2, the other end of the output terminal of transformer B1 be set to by selector switch K3-3 respectively with the perspective switch SW 2, after resistance R 4 and potentiometer W series connection, with an end of the input end of transformer B2, be connected, the other end of the output terminal of transformer B1 be set to by selector switch K3-3 respectively with photoexposure switch SW 1, be connected contact 1J1 after resistance R 3 series connection with an end of the input end of transformer B2, contact 1J2 and resistance R 1-1 series arm, contact 2J1, after contact 2J2 and resistance R 1-2 series arm are connected in parallel, an end is set to be connected with the adjustable end of the output terminal of transformer B1, the other end is set to be connected with the positive pole of diode ZB and an end of resistance R 2, the other end of the negative pole of diode ZB and resistance R 2 is set to be connected with the input end of transformer B3, the output terminal of transformer B3 is set to reometer MA, with simulation x-ray utmost point pipe XG, be connected respectively, and the output terminal of transformer B2 is set to simulate x-ray utmost point pipe XG negative electrode and connects.

2. the experiment device for teaching for the X-ray machine breadboardin according to claim 1, it is characterized in that: x-ray machine filament inverter circuit instructional device (2) includes power module, resistance R 1, resistance R 2, resistance R 3, capacitor C 4, capacitor C 5, transformer B1, transformer B2, signal generation block X1, signal controlling piece K1 and displaying block S1, signal generation block X1 is provided with interface 1, interface 2, interface 3, interface 4, interface 5, interface 6, interface 7 and interface 8, signal controlling piece K1 is provided with interface X4T3-1, interface X4T3-2, interface X4T-3, interface X48-4 and power interface, power module is set to the DC voltage of output+15V, the output terminal of power module is set to be connected with interface 1 and interface 1 is set to be connected with ground, the output terminal of power module is set to be connected with interface 5 by capacitor C 5, the output terminal of power module is set to be connected respectively with interface 8 with interface 4, the output terminal of power module is set to interface 6, be connected respectively with interface 2 by capacitor C 4, interface 6 is set to interface 7, be connected with resistance R 2 by resistance R 3, interface 7 is set to interface 8, be connected respectively with interface 4 by resistance R 1, the output terminal of power module is set to be connected respectively with displaying block S1 with the power interface of signal controlling piece K1, interface 3 is set to be connected with interface X48-4, interface X4T3-1, interface X4T3-2 is set to transformer B1, with the output terminal of transformer B2, be connected respectively with interface X4T-3.

3. the experiment device for teaching for the X-ray machine breadboardin according to claim 1, it is characterized in that: for X-ray machine rotary anode start-up circuit instructional device (3), include transformer B1, button SW1, relay J C4, relay J C5, relay J C6, X-ray tube anode starting current detects B6, the X-ray tube trigger voltage detects B8, capacitor C A, capacitor C B and single-phase ac asynchronous motor coil, the single-phase ac asynchronous motor coil is set to include coil QQ and coil QY, the end of transformer B1 is set to the end with button SW1, interface 9 with relay J C6-1, the interface 6 of relay J C5-1 is connected with the interface 6 of relay J C6-2, the end of transformer B1 is set to the interface 10 with relay J C5, the interface 10 of relay J C4, the interface 10 of relay J C6, the end of coil QQ is connected respectively with the end of coil QY, the interface 2 of relay J C5 is set to be connected with the other end of button SW1, the interface 11 that the interface 2 of relay J C4 is set to relay J C6-1 connects, the interface 2 of relay J C6 is set to detect B8 by the X-ray tube trigger voltage and is connected with the other end of coil QQ, the interface 2 of relay J C6 is set to be connected with the interface 7 of relay J C5-1, be provided with capacitor C A and the capacitor C B be connected in parallel between the other end of the interface 7 of relay J C5-1 and coil QQ, the other end of coil QY is set to detect B6 by X-ray tube anode starting current and is connected with 7 of relay J C6-2.

4. the experiment device for teaching for the X-ray machine breadboardin according to claim 1, it is characterized in that: X-ray machine rotary anode protection delay circuit instructional device (4) is set to include power module, resistance R, pilot lamp ZD1, stabilivolt BG209, relay J 4, diode BG208, diode BG207, stabilivolt BG206, triode BG205, triode BG204, diode BG203, diode BG202, diode BG220, diode BG211, diode BG214, diode BG212, diode BG215, diode BG213, diode BG216, resistance R 202, resistance R 203, resistance R 204, resistance R 205, resistance R 206, resistance R 207, resistance R 208, resistance R 209, resistance R 210, capacitor C 201, capacitor C 202, capacitor C 203, capacitor C 204, X-ray tube anode trigger voltage detects B8, the X-ray tube starting current detects filament B6 and the X-ray tube filament current detects B7, and an end of power module is set to the positive pole with diode BG202, one end of resistance R 204, one end of resistance R 207 connects, and the other end of power module is set to the end with pilot lamp ZD1, the positive pole of stabilivolt BG209, one end of relay J 4, the negative pole of diode BG208, one end of capacitor C 201 connects, the negative pole of diode BG202 is set to be connected with diode BG203 is anodal, the negative pole of diode BG203 is set to be connected with the emitter of triode BG204, the negative pole of diode BG203 is set to be connected with the negative pole of stabilivolt BG206 by resistance R 202, and the collector of triode BG204 is set to the other end with relay J 4, the negative pole of stabilivolt BG209 with by resistance R, with the other end of pilot lamp ZD1, be connected, the positive pole of diode BG208 is set to be connected with the negative pole of diode BG207, the positive pole of diode BG207 is set to be connected with stabilivolt BG206 is anodal, stabilivolt BG206 negative pole is set to be connected with the emitter of triode BG205, and the collector of triode BG205 is set to the base stage with triode BG204 by resistance R 203, resistance R 204 other ends connect, the base stage of triode BG205 is set to be connected with the negative pole of diode BG220, the positive pole of diode BG220 is set to be connected with the adjustable end of resistance R 206 by resistance R 205, the other end of capacitor C 201 is set to be connected with the other end of resistance R 207 by resistance R 206, the end that X-ray tube anode trigger voltage detects B8 is set to be connected with the positive pole of diode BG214, and the negative pole of BG214 is set to the negative pole with diode BG211, one end of resistance R 208, one end of capacitor C 202 connects, and the end that X-ray tube anode starting current detects B6 is set to be connected with the positive pole of diode BG215, and the negative pole of BG215 is set to the negative pole with diode BG212, one end of resistance R 209, one end of capacitor C 203 connects, and the end that the X-ray tube filament current detects B7 is set to be connected with the positive pole of diode BG216, and the negative pole of BG216 is set to the negative pole with diode BG213, one end of resistance R 210, one end of capacitor C 204 connects, diode BG211, the positive pole of diode BG212 and diode BG213 is set to be connected with the other end of resistance R 207, and X-ray tube anode trigger voltage detects the other end of B8, X-ray tube anode starting current detects the other end of B6, the X-ray tube filament current detects the other end of B7, the other end of resistance R 208, the other end of capacitor C 202, the other end of resistance R 209, the other end of capacitor C 203, the other end of resistance R 210, the other end of capacitor C 204 is set to be connected with an end of capacitor C 201.

5. the experiment device for teaching for the X-ray machine breadboardin according to claim 1, it is characterized in that: the X-ray machine photography is set to include stabilized voltage supply and zero-signal generating means (51) with the holding circuit instructional device (5) of prescribing a time limit in limited time, interface CH9-10, interface CH9-22, interface CH9-12, button SW2, diode BG21, diode BG22, diode BG24, diode BG25, triode BG92, triode BG93, thyristor BG97, thyristor BG98, resistance R 67, resistance R 70, resistance R Y, resistance R 60, resistance R 52, resistance R 68, resistance R 51, resistance R 53, resistance R 61, resistance R 62, resistance R 63, resistance R 56, resistance R 55, resistance R 54, resistance R 59, resistance R 58, resistance R 57, resistance R 64, resistance R 66, resistance R 65, adjustable resistance RX1-RX3, capacitor C 23, capacitor C 21, capacitor C 22, capacitor C 14, relay J 8, relay J 7, relay J 6 and relay J C4A, the JC4B contact, stabilized voltage supply and zero-signal generating means (51) are provided with interface CH14-2, interface CH14-6 and interface CH14-9, interface CH14-2 is set to be connected with interface CH9-10, interface CH14-6 is set to be connected with interface CH9-22, interface CH14-9 is set to be connected with interface CH9-12, interface CH9-10 is set to the positive pole with capacitor C 23, one end of resistance R 61 is connected with an end of resistance R 65, interface CH9-22 is set to the negative pole with capacitor C 23, the contact 2 of relay J 7A connects, interface CH9-12 is set to be connected with button SW2, the other end of button SW2 is set to the positive pole with diode BG21, diode BG22 is anodal to be connected, the negative pole of diode BG21 is set to by resistance R 67, resistance R Y, the contact 1 of relay J C4A and contact 3, the contact 6 of relay J C4B is connected with the negative electrode of thyristor BG98 with contact 5, the negative pole of diode BG22 is set to by resistance R 54, resistance R 55 is connected with triode BG92 collector, the negative pole of diode BG22 is set to by adjustable resistance RX1-RX3, resistance R 51, resistance R 53 is connected with the base stage of triode BG92, the positive pole of diode BG21 is set to the end with resistance R 70, the negative pole of diode BG25, one end of relay J 6 connects, the other end of resistance R 70, the positive pole of diode BG25, the other end of relay J 6 is set to be connected with the contact 2 of relay J 8, the contact 8 of relay J 7A is set to be connected with the emitter of unijunction transistor BG92 by resistance R 52, the contact 2 of relay J 7A is set to be connected with the negative electrode of thyristor BG97, the positive pole of capacitor C 23 is set to by relay J 7B contact 7 and 1, resistance R 60, resistance R 68 is connected with the emitter of unijunction transistor BG93, the contact 1 of relay J C4A is set to be connected with the intermediate connection point of resistance R 68 with resistance R 60, the emitter of unijunction transistor BG93 is set to by capacitor C 21, capacitor C 22 is connected with the emitter of triode BG92, the base stage of unijunction transistor BG93 is set to by resistance R 63, resistance R 56 is connected with the base stage of unijunction transistor BG92, the contact 2 of relay J 7A is set to and the negative pole of capacitor C 21 and the negative pole intermediate connection point of capacitor C 22, resistance R 63 is connected with resistance R 56 intermediate connection points, the other end of resistance R 61 is set to be connected with the base stage of unijunction transistor BG93 by resistance R 62, the negative pole of diode BG22 is set to the end with resistance R 58 by resistance R 59, one end of relay J 7, the negative pole of diode BG24 connects, the other end of resistance R 58, the other end of relay J 7, the positive pole of diode BG24 is set to the anodic bonding with thyristor BG97, the negative electrode of thyristor BG97 is set to be connected with the base stage of unijunction transistor BG92 by resistance R 57, the negative electrode of thyristor BG97 is set to be connected with the contact 6 of relay J C4B, the negative electrode of thyristor BG98 is set to be connected with the base stage of unijunction transistor BG93 by resistance R 64, the other end of resistance R 65 is set to the end with relay J 8, the positive pole of capacitor C 14, one end of resistance R 66 connects, the other end of relay J 8, the negative pole of capacitor C 14, the other end of resistance R 66 is set to the anodic bonding with thyristor BG98.

6. the experiment device for teaching for the X-ray machine breadboardin according to claim 5, it is characterized in that: stabilized voltage supply and zero-signal generating means (51) are set to include transformer BG12-1, BG12-2, bridge-type reorganizer BG14, bridge-type reorganizer BG16, resistance R 28, resistance R 29, resistance R 30a, resistance R 30b, resistance R 31, resistance R 32, resistance R 33, resistance R 34, resistance R 35, resistance R 36, resistance R 21, capacitor C 19, capacitor C 15, capacitor C 16, capacitor C 17, capacitor C 18, diode BG15, stabilivolt BG71, triode BG85, triode BG83, triode BG84, thyristor BG96, relay J 9 contacts and relay J 13, the output terminal of transformer BG12-1 is set to be connected with the input end of bridge-type reorganizer BG14, one end of the output terminal of bridge-type reorganizer BG14 is set to be connected with the collector of triode BG83, the emitter of triode BG83 is set to interface CH14-2, the other end of the output terminal of bridge-type reorganizer BG14 is set to interface CH14-6, an end of relay J 9 contacts, the positive pole of capacitor C 15 is set to be connected with the collector of triode BG83, and the other end of relay J 9 is set to the end with relay J 13 by resistance R 31, the positive pole of capacitor C 18 connects, the collector of triode BG83 is set to be connected with the base stage of triode BG83 by resistance R 32, the base stage of triode BG83 is set to be connected with the collector of triode BG84, the emitter of triode BG84 is set to be connected with the negative pole of stabilivolt BG71, the base stage of triode BG84 is set to be connected with the adjustable end of resistance R 35, one end of resistance R 33 is set to be connected with the negative pole of stabilivolt BG71, resistance R 35 is set to connect with resistance R 34 and resistance R 36, the negative pole of capacitor C 16 is connected with the negative pole of capacitor C 17, the positive pole of capacitor C 17 is set to be connected with relay J 13 contacts 2 by resistance R 21, the other end of resistance R 33, one end of resistance R 34, the positive pole of capacitor C 16, the contact 8 of relay J 13 is set to be connected with the emitter of triode BG83, the other end of relay J 13, the negative pole of capacitor C 18, the negative pole of capacitor C 15, the positive pole of stabilivolt BG71, one end of resistance R 36, the negative pole of capacitor C 16 is set to be connected with interface CH14-6, the output terminal of transformer BG12-2 is set to be connected with the input end of bridge-type reorganizer BG16, one end of the output terminal of bridge-type reorganizer BG16 is set to the positive pole with diode BG15, one end of resistance R 28, one end of resistance R 29 connects, the other end of the output terminal of bridge-type reorganizer BG16 is set to interface CH14-9, the other end of resistance R 29 is connected with the base stage of triode BG85, the negative pole of diode BG15 is set to be connected with the positive pole of capacitor C 19, resistance R 30a is connected with the negative pole of diode BG15 with an end after resistance R 30b parallel connection, the other end is set to be connected with the control utmost point of thyristor BG96, the anode of thyristor BG96 is set to be connected with interface CH14-2, the emitter of triode BG85 is set to be connected with the negative electrode of thyristor BG96, the other end of resistance R 28, the negative pole of capacitor C 19 is set to be connected with interface CH14-9.

7. the experiment device for teaching for the X-ray machine breadboardin according to claim 1, it is characterized in that: silicon controlled main rectifier trigger pip generating means arranges (6) for including transformer B12, bridge-type reorganizer BG12, capacitor C 12, resistance R 45, resistance R 46, resistance R 47, resistance R 48a, resistance R 48b, resistance R 48c, resistance R 49, triode BG82, thyristor BG17, relay J 6, relay J 7 and pilot lamp ZD2, the output terminal of transformer B12 is set to be connected with the input end of bridge-type reorganizer BG12, and an end of the output terminal of bridge-type reorganizer BG12 is set to interface CH16-1, the other end is set to interface CH16-2, the positive pole of capacitor C 12, one end of resistance R 45, one end of relay J 6 contacts, one end of resistance R 49 is set to be connected with interface CH16-1, the negative pole of capacitor C 12, the other end of resistance R 45, one end of resistance R 46, the emitter and collector of triode BG82, one end of relay J 7 is set to be connected with interface CH16-2, the other end of resistance R 46 is set to be connected with the base stage of triode BG82, the other end of relay J 6 contacts is set to be connected with the base stage of triode BG82 by resistance R 47, the other end of resistance R 49 is set to be connected with the other end of relay J 7 by pilot lamp ZD2, interface CH16-1 is set to be connected with the control utmost point of thyristor BG17, and interface CH16-2 is set to be connected with the negative electrode of thyristor BG17.