CN103353327A - Separated type photoelectric control device capable of being installed in separating mode - Google Patents
Separated type photoelectric control device capable of being installed in separating mode Download PDFInfo
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- CN103353327A CN103353327A CN201310281898XA CN201310281898A CN103353327A CN 103353327 A CN103353327 A CN 103353327A CN 201310281898X A CN201310281898X A CN 201310281898XA CN 201310281898 A CN201310281898 A CN 201310281898A CN 103353327 A CN103353327 A CN 103353327A
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Abstract
The invention discloses a separated type photoelectric control device capable of being installed in a separating mode. The separated type photoelectric control device is used for measuring a material level and a liquid level and comprises an optical detecting head and a signal processing unit. The optical detecting head is separably connected with the signal processing unit and can judge the locking state or the separating state of the optical detecting head and the signal processing unit. The signal processing unit comprises a light emitting module, a light receiving module, a signal processing module and a signal outputting module. An optical path of a light signal is changed by an object to be detected, and the light signal is sent to the light receiving module. The light receiving module sends the light signal to the signal processing module, the signal processing module analyzes and processes the light signal so as to obtain an output signal and send the output signal to the signal output module, and the output signal is outputted. According to the separated type photoelectric control device capable of being installed in the separating mode, the state of the object to be detected does not need to be changed and outputting of various simulation alarm signals can be performed; meanwhile, locking or separating of the optical detecting head and the signal processing unit can be judged.
Description
Technical field
The present invention relates to the photoelectric control field, particularly a kind of separated light controller for electric consumption of separated type installation.
Background technology
Existing optoelectronic switch measuring equipment operating principle as shown in Figure 1, it comprises an optical transmitting set (13), an optical receiving set (14), a signal processing unit (15), a signal output apparatus (16).
When object under test does not exist when occurring with object under test, can present two kinds of receive statuss of not sharing the same light, a kind of is that optical receiving set receives signal, or does not receive signal.After the signal processing, the conversion of this signal can with the photoelectricity measuring equipment as a switchgear, be used for controlling the equipment of other rear end.
Above-mentioned known techniques in the ordinary course of things; correct output measures that determinand is actual to be occurred or non-existent state only; yet this circuit has a shortcoming; after measuring the device installation; the user can think to carry out first the test of system usually; must actually change the present condition that of determinand this moment; just can carry out the test of total system; but in the occasion of practical application; whether really not so easy and convenient the appearance of control determinand is; may need consuming time very for a long time, even may need to be depleted to material to be measured, so all will increase set-up time and Material Cost.
Present existing technology U.S. Pat. No. 4,201,914 only can carry out analog alarm in a bucket groove high position with U.S. Pat. No. 4,134,022; And at U.S. Pat. No.4, in 354,180, such as Fig. 2, although high-low-position can both be exported alarm, the method that adopts is the signal that will sense, no matter be a high position or low level, all use the electric signal of a state, recycle this signal and carry out alarm output, this mode shortcoming is that the System Discrimination degree is poor, and only can be used in known solution, if misoperation may appear in the solution during solution nonsystematic design to be measured.
This creation with general photoelectricity measuring equipment except having added the function of emulation alarm output, can be by various external trigger, the alarm outputs such as alarm output high-order (High Alarm), low level (Low Alarm), high-order (High High Alarm), low low level (Low Low Alarm) are convenient to user's operation and are linked test with system.The present invention has added the time delay output function with the optoelectronic switch measuring equipment simultaneously, can make the actual signal delaying state of user's emulation determinand, convenient on-the-spot installation testing personnel, after optoelectronic switch that is virtually reality like reality touched material, signal was sent to the sequential response of control system.
Summary of the invention
In order to overcome the defective of prior art, the invention provides a kind of divergence type photoelectric eye that is removably installed, it is used for measuring thing position and liquid level, comprise optical detecting head and signal processing unit, described optical detecting head is connected with described signal processing unit is separable, and described signal processing unit comprises light emission module, Optical Receivers, signal processing module and signal output module;
Described light emission module sends light signal, when not having determinand to exist, light signal changes optical path by described optical detecting head and feeds back in the Optical Receivers, exist if any determinand, determinand and optical detecting head will not have optical return signal in Optical Receivers after to the change of optical path;
Described Optical Receivers sends to described signal processing module with described light signal, described signal processing module obtains output signal and described output signal is sent to described signal output module described light signal analyzing and processing, and described signal output module is exported described output signal.
Preferably, described light emission module comprises a light source, optical transmitting set and adjustable resistance, and described light source produces light signal to be launched by optical transmitting set, and described adjustable resistance is for the luminous intensity of regulating described light signal.
Preferably, described light source comprises LED lamp and Ne lamp, and described optical transmitting set comprises Laser Diode.
Preferably, described light signal is continuous light signal or pulsed optical signals.
Preferably, described Optical Receivers is a kind of among photoresistance, optical diode, photistor, CCD, the CMOS.
Preferably, be provided with the light changing device between described light emission module and the Optical Receivers, described smooth changing device is used for regulating the luminous intensity of light emission module, and described available light changing device comprises Photo Interrupter, frequency multiplier, grating, image intensifer.
Preferably, described signal processing module is used for finishing the processing to light signal, and described processing comprises filtering, amplification, the squelch to light signal.
Preferably, described optical detecting head is quartzy material or macromolecule material.
Preferably, described signal output module also comprises a time delay cell, and described time delay unit is used for the residual time delay of emulation material.
Preferably, described photoelectric eye also comprises a locking plug assembly and locking shell fragment, the method of judging the connection status of described optical detecting head and signal processing unit is: described locking plug assembly causes the switch change of described locking shell fragment to judge the locking of optical detecting head and signal processing unit or separate according to described locking plug assembly with respect to the position movement of described locking shell fragment in locking or detachment process.
Preferably, described photoelectric eye also comprises an optics hole, the method of judging the connection status of described optical detecting head and signal processing unit is: the locking plug assembly causes the optics hole to be positioned at covering of optical path between light emission module and Optical Receivers or the locking by judging the divergence type photoelectric eye along with the position movement of the plug assembly that locks or separates and finish according to described optics hole in locking/detachment process.
Preferably, described photoelectric eye also comprise one by appoint, trip spiral grooves version and light modulation hole version, the method of judging the connection status of described optical detecting head and signal processing unit is: described by appointing when with respect to described trip spiral grooves version rotational motion being arranged, and judge the locking of divergence type photoelectric eye with the optical path luminous flux between Optical Receivers or separate and finish according to light modulation hole version modulation light emission module.
Compared with prior art, beneficial effect of the present invention is as follows:
The present invention need not to change the state of determinand and carries out the output of multiple analog alerting signal; Simultaneously the present invention can judge the locking of optical detecting head and described signal processing unit or separate.
Certainly, implement arbitrary product of the present invention and might not need to reach simultaneously above-described all advantages.
Description of drawings
Fig. 1 is the functional block diagram of existing optoelectronic switch;
Fig. 2 is the functional block diagram of the optoelectronic switch of existing exportable analog alarm;
Fig. 3 is the functional block diagram of the embodiment of the invention 1;
Fig. 4 is the simulation testing module functional block diagram in the embodiment of the invention 1.
Embodiment
The invention provides a kind of divergence type photoelectric eye that is removably installed, it is used for measuring thing position and liquid level, it comprises optical detecting head and signal processing unit, described optical detecting head and separable locking or the released state that is connected and can judges described optical detecting head and signal processing unit of described signal processing unit, described signal processing unit comprises light emission module, Optical Receivers, signal processing module and signal output module;
Described light emission module sends light signal, and when not having determinand to exist, light signal can feed back in the Optical Receivers, exists if any determinand, will not have optical return signal in Optical Receivers;
Described light signal turns back to described Optical Receivers behind determinand and optical detecting head change optical path, described Optical Receivers sends to described signal processing module with described light signal, described signal processing module obtains output signal and described output signal is sent to described signal output module described light signal analyzing and processing, and described signal output module is exported described output signal.
Test substance of the present invention can be liquid, solid, solid-liquid mixing etc.
Embodiment 1
Be illustrated in figure 3 as one embodiment of the invention, wherein said signal processing unit 54 comprises a light emission module 13, an Optical Receivers 14, a signal processing module 15, and an output circuit module 16.Above-mentioned light emission module 13 is launched light signal 4, and light source can pass through a smooth changing device 7, can change the characteristic such as intensity, phase place, luminous field pattern of light, and when when not having determinand 12 to exist, light signal 5 can feed back to Optical Receivers 14; Otherwise, will not have light signal can get back to Optical Receivers 14.The signal of Optical Receivers 14 can be delivered to signal processing module 15, after signal is handled, can be by simulation test unit 17, with reference to figure 4, wherein comprise a trigger pip that adds 18 and can control a switching switch 22, change-over switch can be SPDT (Single pole, double throw) switch, during normality, the signal of signal processing module 15 can directly pass in the signal output module, but when added a trigger pip 18 control one switch switch 22 and switch after, signal will pass through a reverser 21, no matter therefore former before this high signal or low level signal, all can see through simulation test unit switches, reach the function of emulation alarm output, and can not have influence on the signal level of optical measurement system fully, the alerting signal of emulation warning output comprises that alerting signal comprises high signal, the low level signal, high high signal, low low level signal.
A signal processing module 15, optical signalling is done various modulation process, comprise various known filtering (Filtering), amplify (Amplifying), squelch (Noise Reduction) etc., signal processing module 15 also can carry out other modulation process, and the present invention does not do restriction.
Wherein optical detecting head 50 is generally Quartz Head or macromolecular material consists of, and is used for optical path is done refraction, reflected; Light emission module 13 and Optical Receivers 14, but its optical wavelength opereating specification can be UV light, visible light or IR light at 200nm-3000nm.
Light emission module can be the wideband spectrum light sources such as known LED, Ne lamp, also can adopt the narrow frequency spectrum light source that comprises Laser Diode; Light emission module, its operation light source is that continuous light (Continuous) also can be pulsed light (Pulse); The present invention selects not limited for the power supply of light emission module 13, and the present embodiment only several light sources commonly used of tool describes.
Can further comprise a light changing device in the light emission module 13 that signal processing unit 54 provides and the optical path between the Optical Receivers 14, the modulation optical signalling enters the signal intensity of light emission module 13, above-mentioned light changing device, can be Pin Hole, Slot, Photo Interrupter, Etalon (frequency multiplier), Grating (grating), Amplifier (image intensifer) etc.;
Signal output module can further comprise a time delay device, the time delay that the emulation material is residual.
Concrete application examples
A divergence type photoelectric eye system architecture, be applied to the storage tank management and control purposes with the circulation system of periphery, the invention is characterized in, systemic circulation detecting actuator (motor) power, object under test level, time response, judge as operation, and with the switching of output control 181,182 actuator (motor) power, 131,132 output switch states, the replacement of 150 systems and 120 time delays, reach the purpose of system's feedback control.This system and device can be applicable to warehouse management, circulation system control purposes, and its composition comprises
One group of 101 above display module; Normally the LED indicator lamp signal can be that cresset or the numeric character with flicker shows different state of a controls;
One group of 120 above Time Delay; The ordinal response of whole control system is by the time delay control of prior decision;
One group of above 121,122 schedule times response by the reaction action demand of user's define system, need to be made response usually in what time range;
One group of 131,132 above output switch state; The control signal of system outputs to relay usually, does switching or the protection control of system;
One group of above 140 actuators (motor) power detecting; Has actuator (motor) power detecting on the photoelectric eye system circuit that separates as the judgement of feedback control;
One group of above 160 object under test levels detecting; Has the detecting of object under test level on the photoelectric eye system circuit that separates as the judgement of feedback control;
One group of 181,182 above actuator (motor) power switches; Output control on the photoelectric eye system circuit that separates can switch to On/Off or with the power input of PWM modulation detent to actuator (motor) power.
Photoelectric eye provided by the invention also comprises a locking plug assembly and locking shell fragment, judge that described optical detecting head and the connection status of signal processing unit are to separate or the method that locks is: described locking plug assembly causes the switch change of described locking shell fragment to judge the locking of optical detecting head and signal processing unit or separate according to described locking plug assembly with respect to the position movement of described locking shell fragment in locking or detachment process;
Described photoelectric eye also comprises an optics hole, the method of judging the connection status of described optical detecting head and signal processing unit is: the locking plug assembly causes the optics hole to be positioned at covering of optical path between light emission module and Optical Receivers or the locking by judging the divergence type photoelectric eye along with the position movement of the plug assembly that locks or separates and finish according to described optics hole in locking/detachment process;
Described photoelectric eye also comprise one by appoint, trip spiral grooves version and light modulation hole version, the method of judging the connection status of described optical detecting head and signal processing unit is: described by appointing when with respect to described trip spiral grooves version rotational motion being arranged, and judge the locking of divergence type photoelectric eye with the optical path luminous flux between Optical Receivers or separate and finish according to light modulation hole version modulation light emission module.
The above disclosed preferred embodiment of the present invention just is used for helping to set forth the present invention.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this invention yet and only is described embodiment.Obviously, according to the content of this instructions, can make many modifications and variations.These embodiment are chosen and specifically described to this instructions, is in order to explain better principle of the present invention and practical application, thereby the technical field technician can understand and utilize the present invention well under making.The present invention only is subjected to the restriction of claims and four corner and equivalent.
Claims (14)
1. divergence type photoelectric eye that is removably installed, it is used for measuring thing position and liquid level, it is characterized in that, comprise optical detecting head and signal processing unit, described optical detecting head is connected with described signal processing unit is separable, and described signal processing unit comprises light emission module, Optical Receivers, signal processing module and signal output module;
Described light emission module sends light signal, when not having determinand to exist, light signal changes optical path by described optical detecting head and feeds back in the Optical Receivers, exist if any determinand, determinand and optical detecting head will not have optical return signal in Optical Receivers after to the change of optical path;
Described Optical Receivers sends to described signal processing module with described light signal, described signal processing module obtains output signal and described output signal is sent to described signal output module described light signal analyzing and processing, and described signal output module is exported described output signal.
2. the divergence type photoelectric eye that is removably installed as claimed in claim 1, it is characterized in that, described light emission module comprises a light source, optical transmitting set and adjustable resistance, described light source produces light signal to be launched by optical transmitting set, and described adjustable resistance is for the luminous intensity of regulating described light signal.
3. the divergence type photoelectric eye of separated type installation as claimed in claim 2 is characterized in that, described light source comprises LED lamp and Ne lamp, and described optical transmitting set comprises Laser Diode.
4. the divergence type photoelectric eye of separated type installation as claimed in claim 3 is characterized in that, described light signal is continuous light signal or pulsed optical signals.
5. the divergence type photoelectric eye installed of separated type as claimed in claim 1 is characterized in that, described Optical Receivers is a kind of among photoresistance, optical diode, photistor, CCD, the CMOS.
6. the divergence type photoelectric eye installed of separated type as claimed in claim 1, it is characterized in that, be provided with the light changing device between described light emission module and the Optical Receivers, described smooth changing device is used for regulating the luminous intensity of light emission module, and described available light changing device comprises Photo Interrupter, frequency multiplier, grating, image intensifer.
7. the divergence type photoelectric eye of separated type installation as claimed in claim 1 is characterized in that, described signal processing module is used for finishing the processing to light signal, and described processing comprises filtering, amplification, the squelch to light signal.
8. the divergence type photoelectric eye of separated type installation as claimed in claim 1 is characterized in that, described optical detecting head is quartzy material or macromolecule material.
9. the divergence type photoelectric eye of separated type installation as claimed in claim 1 is characterized in that, described signal output module also comprises a time delay cell, and described time delay unit is used for the residual time delay of emulation material.
10. the divergence type photoelectric eye installed of separated type as claimed in claim 1, it is characterized in that, described photoelectric eye also comprises a locking plug assembly and locking shell fragment, the method of judging the connection status of described optical detecting head and signal processing unit is: described locking plug assembly causes the switch change of described locking shell fragment to judge the locking of optical detecting head and signal processing unit or separate according to described locking plug assembly with respect to the position movement of described locking shell fragment in locking or detachment process.
11. the divergence type photoelectric eye that separated type as claimed in claim 10 is installed, it is characterized in that, it is characterized in that, described photoelectric eye also comprises an optics hole, the method of judging the connection status of described optical detecting head and signal processing unit is: the locking plug assembly causes the optics hole to be positioned at covering of optical path between light emission module and Optical Receivers or the locking by judging the divergence type photoelectric eye along with the position movement of the plug assembly that locks or separates and finish according to described optics hole in locking/detachment process.
12. the divergence type photoelectric eye such as claim 10 or 11 described separated types installations, it is characterized in that, it is characterized in that, described photoelectric eye also comprise one by appoint, trip spiral grooves version and light modulation hole version, the method of judging the connection status of described optical detecting head and signal processing unit is: described by appointing when with respect to described trip spiral grooves version rotational motion being arranged, and judge the locking of divergence type photoelectric eye with the optical path luminous flux between Optical Receivers or separate and finish according to light modulation hole version modulation light emission module.
13. the divergence type photoelectric eye that separated type as claimed in claim 1 is installed, it is characterized in that, also comprise a simulation test unit, described simulation test unit comprises trigger pip sending module, change-over switch and phase inverter, when described trigger module sends a trigger pip, the switching of trigger pip control change-over switch, the electric signal after the signal processing unit processes sends to signal output unit by phase inverter, described signal output unit output analog alarm signal; When described trigger module did not send trigger pip, the electric signal after signal processing unit will be processed directly sent to described signal output unit without phase inverter.
14. the divergence type photoelectric eye that separated type as claimed in claim 13 is installed is characterized in that, described alerting signal comprises high signal, low level signal, high high signal, low low level signal.
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| CN201310281898.XA CN103353327B (en) | 2013-07-05 | 2013-07-05 | A kind of divergence type photoelectric eye be removably installed |
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| CN201310281898.XA CN103353327B (en) | 2013-07-05 | 2013-07-05 | A kind of divergence type photoelectric eye be removably installed |
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| CN103353327B CN103353327B (en) | 2015-11-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113474032A (en) * | 2019-02-25 | 2021-10-01 | 英特外科股份公司 | Improvements relating to humidifiers for respiratory gases |
| CN113474032B (en) * | 2019-02-25 | 2024-04-30 | 英特外科股份公司 | Improvements relating to humidifiers for breathing gases |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4134022A (en) * | 1976-09-03 | 1979-01-09 | Honeywell Inc. | Frequency sensitive level detecting apparatus |
| US4354180A (en) * | 1980-12-19 | 1982-10-12 | Genelco, Inc. | Electro-optical liquid level sensor |
| CN2935406Y (en) * | 2006-06-28 | 2007-08-15 | 潘晶奇 | Oil-level meter remote indicator |
| CN202794894U (en) * | 2012-07-04 | 2013-03-13 | 黄正宇 | Multi-parameter sensing system integrated chip |
-
2013
- 2013-07-05 CN CN201310281898.XA patent/CN103353327B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4134022A (en) * | 1976-09-03 | 1979-01-09 | Honeywell Inc. | Frequency sensitive level detecting apparatus |
| US4354180A (en) * | 1980-12-19 | 1982-10-12 | Genelco, Inc. | Electro-optical liquid level sensor |
| CN2935406Y (en) * | 2006-06-28 | 2007-08-15 | 潘晶奇 | Oil-level meter remote indicator |
| CN202794894U (en) * | 2012-07-04 | 2013-03-13 | 黄正宇 | Multi-parameter sensing system integrated chip |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113474032A (en) * | 2019-02-25 | 2021-10-01 | 英特外科股份公司 | Improvements relating to humidifiers for respiratory gases |
| CN113474032B (en) * | 2019-02-25 | 2024-04-30 | 英特外科股份公司 | Improvements relating to humidifiers for breathing gases |
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| CN103353327B (en) | 2015-11-18 |
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