CN103883169A

CN103883169A - Magnetic meridian lock

Info

Publication number: CN103883169A
Application number: CN201410053277.0A
Authority: CN
Inventors: 沈春景; 沈春秋
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-02-17
Filing date: 2014-02-17
Publication date: 2014-06-25
Anticipated expiration: 2034-02-17
Also published as: CN103883169B

Abstract

The invention discloses a magnetic meridian lock which comprises a modified compass and a control circuit. A thin conductive wire is arranged above a magnetic needle of the modified compass, electricity can be conducted between the thin conductive wire and a shaft for supporting the magnetic needle, and the shaft is connected with the control circuit by a soft wire; a horseshoe-shaped conductor is arranged on an inner side of a compass box cover and is connected with the control circuit by a soft wire; two ends of the horseshoe-shaped conductor are adjusted and are not in contact with the thin conductive wire above two poles of the magnetic needle when the magnetic needle of the modified compass is stably positioned in the direction of a local magnetic meridian, so that the orientation of a constrained object relative to the local magnetic meridian can be locked; once the direction of the locked object changes, the thin conductive wire on the needle is in contact with the horseshoe-shaped conductor, the control circuit can be switched on, a loudspeaker can be started to generate a sound, and a mobile phone of a user can be dialed. The magnetic meridian lock has the advantages that the magnetic meridian lock is simple in structure, easy operate small in size and low in manufacturing cost, and people can be inspired to utilize magnetic meridians.

Description

Magnetic meridian lock

Technical field

The present invention relates generally to Signal and Information Processing field, is specifically related to a kind of magnetic meridian lock.

Background technology

People, in the time that navigation, travelling, construction build, often borrow the magnetic meridian direction of the earth to do reference, and when discovering that object moves or not utilize the Nature to confer our magnetic meridian when antitheft.

For antitheft, people lock on oneself car, ship or object, for robber person has set the obstacle that all prevention objects move.So far " lock ", is that antitheft thing and near larger object are locked together, and thinks that blocked object is safer more greatly.This lock is completely exposed, and the object of its locking is visible tangible, if robber person ruins lock or destroy blocked fixed object to rob thing and go, whether the owner in a distant place is unable to find out the thing of oneself also in original place, more can not robber person be followed the trail of and be intercepted.

In the other fields such as military affairs, navigation, building, in careless, slightly so there is if people need to discover object the phenomenon that direction changes in addition, be sought after one " direction changes report device ".

Summary of the invention

Technical problem to be solved by this invention is as follows: the first, for preventing that object from quietly moving, in the time that object is moved in careless, for people point out direction, transformation has occurred; The second, in anti-theft measure, anti-theft appliance be cannot see being locked in by bitter, on impalpable intangibles, the action that escapes robber person damage anti-theft appliance before pilferage; Unresolved above-mentioned technical problem, the invention provides a kind of magnetic meridian lock.

In order to solve the problems of the technologies described above, technical scheme of the present invention is:

A kind of magnetic meridian lock, it is characterized in that: include improved compass and control circuit, described improved compass includes guide box for needle or pin, the middle part of guide box for needle or pin is vertically fixed with axle, the top braces of axle has needle, and in the lid of guide box for needle or pin, a side is equipped with shape of a hoof electric conductor, and the top of needle is fixed with a thin conductive filament, between the axle of thin conductive filament and support needle, can conduct electricity, described axle, shape of a hoof electric conductor are connected with H, the F point of control circuit with flexible circuit conductor respectively; Described control circuit includes triode, the base stage b of triode connects H point by resistance R b, the emitter e of triode connects hand switch K1, diode D1, dc source E1 successively, the negative pole of diode D1 connects diode D2, the power supply E2 of series connection by node, the negative pole of power supply E2 connects F point, at H normal opened contact J2 in parallel with F point-to-point transmission; Control circuit also includes calling handset branch road, loudspeaker branch road and time-delay relay branch road, in described calling handset branch road, be connected with hand switch K2, normally closed contact J1, handset call building blocks of function A2, current-limiting resistance RS in turn, the other end of hand switch K2 is connected with the negative pole of dc source E1 by node, and the other end of current-limiting resistance Rs is connected with hand switch K1 by node; Described loudspeaker branch road includes loudspeaker, one end of loudspeaker by node be connected with the colelctor electrode c of triode, the other end is connected with hand switch K2 by node, loudspeaker branch road and time-delay relay branch circuit parallel connection; Described time-delay relay branch road includes the resistance R Y, the relay J that connect successively, is parallel with capacitor C in relay J, is connecting respectively two flexible circuit conductors of improved compass at F, 2 of H.

Described magnetic meridian lock, is characterized in that: when the described fixing thin conductive filament in needle top contacts with shape of a hoof electric conductor, only allow by small electric current.

Described magnetic meridian lock, is characterized in that: described improved compass, in the time that the direction of magnetic meridian lock changes, the thin conductive filament of needle top can contact shape of a hoof electric conductor, connects control circuit.

Operating principle of the present invention is:

Magnetic meridian lock of the present invention is exactly " direction changes report device ", because locked object of which movement makes magnetic meridian lock side wherein to changing, utilize the deflection of compass needle after transformation in this lock, make the thin wire silk of needle top device connect control circuit power supply, control circuit start loudspeaker report to the police, to user's handset call.

Beneficial effect of the present invention is:

A, the needle of locking due to magnetic meridian can remain on when in the tangential direction of magnetic meridian under geomagnetic field action, the in the situation that of preventing that so all object direction from changing in careless, all can utilize magnetic meridian lock, for people point out direction, transformation has occurred, it can be used in military affairs, navigation and other engineering fields.

B, in civilian, with the alternative traditional anti-theft appliance that stops object to move of magnetic meridian lock of locking direction, it can be to little to bag, the locking of arrive greatly naval vessels, and magnetic meridian locks to hide and be put in any position that prevents stolen thing, the action that easily escapes robber person damage anti-theft appliance before pilferage.

C, the present invention is simple in structure, easy to operate, volume is little, cost is low.

D, the present invention inspire the utilization of people to magnetic meridian.

Brief description of the drawings

Fig. 1 is magnetic meridian lock construction schematic diagram of the present invention.

Fig. 2 is improved compass perspective view in magnetic meridian lock Fig. 1 of the present invention.

Detailed description of the invention

As shown in Figure 1, a kind of magnetic meridian lock, includes improved compass and control circuit two parts; Described improved compass stereochemical structure is illustrated as shown in Figure 2, fixes a thin conductive filament 2 above needle 1, between this thin conductive filament 2 and the axle 6 of support needle, can conduct electricity, and these axle 6 use flexible circuit conductors are connected with the H point of control circuit; In addition, side device one shape of a hoof electric conductor 3 in the lid of guide box for needle or pin 5, these shape of a hoof electric conductor 3 use flexible circuit conductors 4 are connected with the F point of control circuit.Described control circuit as shown in Figure 1, while contact with shape of a hoof electric conductor 3 due to the fixing thin conductive filament 2 in needle 1 top, only allow by small electric current, so utilize transistor emitter e and base stage b energising, trigger colelctor electrode c and emitter e conducting and start major loop, and at H normal opened contact J2 in parallel with F point-to-point transmission.Be disposed with hand switch K1, diode D1, dc source E1 from transistor emitter e to colelctor electrode c, also have calling handset branch road, loudspeaker branch road and time-delay relay branch road.In described calling handset branch road, be connected with hand switch K2, normally closed contact J1, handset call building blocks of function A2, current-limiting resistance RS in turn; Described time-delay relay branch road includes resistance R Y, capacitor C, relay J composition.Be disposed with diode D2, dc source E2 from transistor emitter e to base stage b, normal opened contact J2, current-limiting resistance Rb; Two lead-out wires of compass after F, 2 of H are connecting respectively transformation.

In use, magnetic meridian lock is placed on to locked object reposefully and does not affect the position that compass freely rotates, disconnect hand switch K1 and K2, rotate magnetic meridian lock and regulate shape of a hoof electric conductor 3 two ends all not contact with the thin conductive filament 2 of needle 1 top, the two poles of the earth.For the two ends of confirming thin conductive filament 2 all do not contact with shape of a hoof electric conductor 3, connect hand switch K1, if loudspeaker A1 sends sound, need to rotate again magnetic meridian and lock to regulate the relative position of shape of a hoof electric conductor 3 and thin conductive filament 2; If loudspeaker A1 does not ring, connect after hand switch K2, user can relievedly leave away.

Once direction variation has occurred locked object, the thin conductive filament 2 of needle 1 top contacts with shape of a hoof electric conductor 3, makes transistor emitter e and base stage b energising, triggers the conducting of colelctor electrode c and emitter e, starts major loop.In major loop, handset call building blocks of function A2 energising in the calling handset branch road of parallel connection, calls out to the user in a distant place; In major loop, in the loudspeaker branch road of parallel connection, loudspeaker A1 rings, and gives the alarm on the spot; The time-delay relay branch road repeat circuit J deferred action of parallel connection in major loop, the first step disconnects normally closed contact J1 in calling handset branch road, the handset call building blocks of function A2 of the handset call function that has made to complete quits work, second step by the normal opened contact J2 self-sustaining in emitter e and the base stage b loop of triode in on-state.Because normal opened contact J2 self-sustaining is in on-state, one avoid locked object body at the volley direction repeatedly change, cause the repeated call of handset call building blocks of function A2 subtend distant place user's mobile phone: it two ensures that loudspeaker A1 continues to report to the police noticeable.

Claims

1. a magnetic meridian lock, it is characterized in that: include improved compass and control circuit, described improved compass includes guide box for needle or pin, the middle part of guide box for needle or pin is vertically fixed with axle, the top braces of axle has needle, and in the lid of guide box for needle or pin, a side is equipped with shape of a hoof electric conductor, and the top of needle is fixed with a thin conductive filament, between the axle of thin conductive filament and support needle, can conduct electricity, described axle, shape of a hoof electric conductor are connected with H, the F point of control circuit with flexible circuit conductor respectively; Described control circuit includes triode, the base stage b of triode connects H point by resistance R b, the emitter e of triode connects hand switch K1, diode D1, dc source E1 successively, the negative pole of diode D1 connects diode D2, the power supply E2 of series connection by node, the negative pole of power supply E2 connects F point, at H normal opened contact J2 in parallel with F point-to-point transmission; Control circuit also includes calling handset branch road, loudspeaker branch road and time-delay relay branch road, in described calling handset branch road, be connected with hand switch K2, normally closed contact J1, handset call building blocks of function A2, current-limiting resistance RS in turn, the other end of hand switch K2 is connected with the negative pole of dc source E1 by node, and the other end of current-limiting resistance Rs is connected with hand switch K1 by node; Described loudspeaker branch road includes loudspeaker, one end of loudspeaker by node be connected with the colelctor electrode c of triode, the other end is connected with the negative pole of dc source E1 by node, loudspeaker branch road and time-delay relay branch circuit parallel connection; Described time-delay relay branch road includes the resistance R Y, the relay J that connect successively, is parallel with capacitor C in relay J, is connecting respectively two flexible circuit conductors of improved compass at F, 2 of H.

2. magnetic meridian lock according to claim 1, is characterized in that: when the described fixing thin conductive filament in needle top contacts with shape of a hoof electric conductor, only allow by small electric current.

3. magnetic meridian lock according to claim 1, is characterized in that: described improved compass, in the time that the direction of magnetic meridian lock changes, the thin conductive filament of needle top can contact shape of a hoof electric conductor, connects control circuit.