CN104839978A - High-voltage antitheft alarming handbag circuit - Google Patents

Abstract

The invention discloses a high-voltage antitheft alarming handbag circuit, which comprises a triggering circuit, a delay circuit and a high voltage generation circuit, wherein the triggering circuit comprises a human body sensor A, a triode VT1 and a triode VT2; the delay circuit comprises a resistor R4, a capacitor C5 and a double-base diode VT5; the high voltage generation circuit comprises a triode VT8, a transformer W1 and a transformer W2. The high-voltage antitheft alarming handbag circuit is simple in structure and stable in performance; for a behavior of touching a handbag for a short time, no alarm is given, and no high voltage is generated; for a behavior of touching the handbag for a long time to steal articles in the handbag and steal the handbag, an alarm is instantly given, and high voltage is generated to prevent a thief to continue committing a crime; the handbag with the circuit has the advantages of low manufacturing cost, convenience in operation and good antitheft effects, and is suitable for popularization and use.

Description

A kind of high-pressure anti-theft warning handbag circuit

Technical field

The present invention relates to a kind of monitoring system, specifically a kind of high-pressure anti-theft warning handbag circuit.

Background technology

The nearly section time often appears at the situation that have a meal in restaurant and people's handbag of taking bus is stolen, reason is that this kind of facility personnel's mobility is large, the prevention awareness of people is low, thus cause great economic loss and spirit worry to people, carry with the antitheft requirement of bag to meet when people go out, the bag with anti-theft alarm function arises at the historic moment.But, the antitheft bag that function is more perfect, expensive, structure is more complicated again, easily judges by accident, is difficult to be accepted; And most of antitheft bag only possesses simple sound alarm function, burglar many times cannot be stoped to be taken away by handbag.

Summary of the invention

The high-pressure anti-theft warning handbag circuit that the object of the present invention is to provide a kind of structure simple, easy to use, to solve the problem proposed in above-mentioned background technology.

For achieving the above object, the invention provides following technical scheme:

A kind of high-pressure anti-theft warning handbag circuit, comprise circuits for triggering, delay circuit and circuit for producing high voltage, described circuits for triggering comprise human inductor A, triode VT1 and triode VT2, described delay circuit comprises resistance R4, electric capacity C5 and double base diode VT5, and described circuit for producing high voltage comprises triode VT8, transformer W1 and transformer W2;

Described human inductor A contact resistance R1, electric capacity C1, switch S 1, switch S 2, the negative electrode of diode D3, relay J, the colelctor electrode of triode VT1 and the colelctor electrode of triode VT2, the other end contact resistance R4 of switch S 1 and resistance R5, the other end of resistance R4 connects the emitter stage of electric capacity C5 and double base diode VT5, the other end contact resistance R6 of electric capacity C5, resistance R12, the contact J-1 of relay J, the anode of diode D2, the winding L 2 of transformer W1, the emitter stage of triode VT6, the emitter stage of triode VT7, the emitter stage of triode VT8 and the emitter stage of triode VT9, the other end of resistance R5 connects a base stage of double base diode VT5, another base stage contact resistance R2 of double base diode VT5, the other end of resistance R6, the anode of diode D1 and the emitter stage of triode VT2, the other end of switch S 2 connects the positive pole of power supply E1, the other end of the negative pole contact resistance R2 of power supply E1, the other end of electric capacity C1, electric capacity C2, the emitter stage of triode VT3 and loudspeaker B, the base stage of the other end connecting triode VT1 of resistance R1, the base stage of the emitter stage connecting triode VT2 of triode VT1, the negative electrode contact resistance R3 of diode D1 and the other end of electric capacity C2, the other end of resistance R3 connects electric capacity C3, the base stage of electric capacity C4 and triode VT3, the base stage of the other end connecting triode VT4 of electric capacity C3, the emitter stage of other end connecting triode VT4 of electric capacity C4 and the other end of loudspeaker B, the other end of the collector connection relay J of triode VT4 and the anode of diode D3, the other end contact resistance R7 ~ R10 of the contact J-1 of relay J, the winding L 1 of transformer W1 and the winding L 3 of transformer W2, the other end contact resistance C6 of resistance R7 and the colelctor electrode of triode VT6, the other end of other end contact resistance R8 of electric capacity C6 and the base stage of triode VT7, the base stage of triode VT6 connects the other end of electric capacity C7 and resistance R9, the other end of the other end contact resistance R10 of electric capacity C7, resistance R11, the colelctor electrode of electric capacity C8 and triode VT7, the other end of the other end contact resistance R12 of resistance R11, the other end of electric capacity C8 and the base stage of triode VT8, the colelctor electrode of triode VT8 connects the other end of the negative electrode of diode D2 and the winding L 1 of transformer W1, the base stage of the other end connecting triode VT9 of the winding L 2 of transformer W, the other end of the winding L 3 of the colelctor electrode connection transformer W2 of triode VT9, the two ends of the winding L 4 of transformer W export high-tension electricity U1.

As preferred version of the present invention: described relay J is normally-closed contact relay.

As preferred version of the present invention: described power supply E1 is 12V direct current.

Compared with prior art, the invention has the beneficial effects as follows: high-pressure anti-theft warning handbag circuit structure of the present invention is simple, stable performance, for the behavior touching bag in the short time, does not report to the police and does not also produce high-tension electricity; Article and the behavior of stealing bag and Long contact time in bag are stolen for attempt, bag is reported to the police immediately, and produce high-tension electricity and stop burglar to continue crime, the handbag using this circuit to make has that cost of manufacture is low, easy to operate, the advantage of good anti-theft effect, is applicable to promoting the use of.

Accompanying drawing explanation

Fig. 1 is the circuit diagram of high-pressure anti-theft warning handbag circuit;

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

Refer to Fig. 1, in the embodiment of the present invention, a kind of high-pressure anti-theft warning handbag circuit, comprise circuits for triggering, delay circuit and circuit for producing high voltage, described circuits for triggering comprise human inductor A, triode VT1 and triode VT2, described delay circuit comprises resistance R4, electric capacity C5 and double base diode VT5, and described circuit for producing high voltage comprises triode VT8, transformer W1 and transformer W2;

Described human inductor A contact resistance R1, electric capacity C1, switch S 1, switch S 2, the negative electrode of diode D3, relay J, the colelctor electrode of triode VT1 and the colelctor electrode of triode VT2, the other end contact resistance R4 of switch S 1 and resistance R5, the other end of resistance R4 connects the emitter stage of electric capacity C5 and double base diode VT5, the other end contact resistance R6 of electric capacity C5, resistance R12, the contact J-1 of relay J, the anode of diode D2, the winding L 2 of transformer W1, the emitter stage of triode VT6, the emitter stage of triode VT7, the emitter stage of triode VT8 and the emitter stage of triode VT9, the other end of resistance R5 connects a base stage of double base diode VT5, another base stage contact resistance R2 of double base diode VT5, the other end of resistance R6, the anode of diode D1 and the emitter stage of triode VT2, the other end of switch S 2 connects the positive pole of power supply E1, the other end of the negative pole contact resistance R2 of power supply E1, the other end of electric capacity C1, electric capacity C2, the emitter stage of triode VT3 and loudspeaker B, the base stage of the other end connecting triode VT1 of resistance R1, the base stage of the emitter stage connecting triode VT2 of triode VT1, the negative electrode contact resistance R3 of diode D1 and the other end of electric capacity C2, the other end of resistance R3 connects electric capacity C3, the base stage of electric capacity C4 and triode VT3, the base stage of the other end connecting triode VT4 of electric capacity C3, the emitter stage of other end connecting triode VT4 of electric capacity C4 and the other end of loudspeaker B, the other end of the collector connection relay J of triode VT4 and the anode of diode D3, the other end contact resistance R7 ~ R10 of the contact J-1 of relay J, the winding L 1 of transformer W1 and the winding L 3 of transformer W2, the other end contact resistance C6 of resistance R7 and the colelctor electrode of triode VT6, the other end of other end contact resistance R8 of electric capacity C6 and the base stage of triode VT7, the base stage of triode VT6 connects the other end of electric capacity C7 and resistance R9, the other end of the other end contact resistance R10 of electric capacity C7, resistance R11, the colelctor electrode of electric capacity C8 and triode VT7, the other end of the other end contact resistance R12 of resistance R11, the other end of electric capacity C8 and the base stage of triode VT8, the colelctor electrode of triode VT8 connects the other end of the negative electrode of diode D2 and the winding L 1 of transformer W1, the base stage of the other end connecting triode VT9 of the winding L 2 of transformer W, the other end of the winding L 3 of the colelctor electrode connection transformer W2 of triode VT9, the two ends of the winding L 4 of transformer W export high-tension electricity U1.

Relay J is normally-closed contact relay.

Power supply E1 is 12V direct current.

Operation principle of the present invention is: when needing the warning function using handbag, opening switch S1 and K switch 2, delay circuit is added in circuit, therefore during touching once in a while, alarm can not be reported to the police immediately, high pressure can not be produced immediately, when only having the charging voltage on electric capacity C5 to reach the trigger voltage of double base diode VT5, double base diode VT5 just meeting conducting, resistance R7 produces voltage drop, this signal voltage delivers to the base stage of triode VT3 and the colelctor electrode of triode VT6 respectively, thus alarm equipment alarm sounding and J action can be made to produce high pressure.When nobody touches inductor M, the base stage no signal voltage of triode VT1, triode VT1 and triode VT2 place cut-off state, when staff touches M, the induced voltage of human body is added to the base stage of triode VT1 by resistance R1, make the combination switch pipe saturation conduction that triode VT1 and triode VT2 forms, the current potential of triode VT2 emitter stage is close to the voltage of power supply, resistance R1 produces voltage drop, diode D1 forward conduction, signal voltage is delivered to the base stage of triode VT3, make triode VT4 conducting, loudspeaker B sends alarm sound, triode VT6 and triode VT7 forms free-running multivibrator, produce the frequency of oscillation being about 24kHz, the base stage entering triode VT8 through electric capacity C8 and resistance R11 is amplified, be coupled by transformer W1 after amplification and carry out power amplifier to triode VT9.The base stage of triode VT9 does not add direct current biasing, and therefore triode VT9 institute amplifying signal is all pulse ac signal.The load of triode VT9 is step-up transformer W2, and the voltage after lifting is about 5000V, and burglar's whole body can be allowed numb, thus handbag is taken away by effective resistance burglar.When staff leaves inductor, the base stage of triode VT1 loses human body sensing voltage, and loudspeaker B and circuit for producing high voltage are located again to end off position.

Claims (3)

1. a high-pressure anti-theft warning handbag circuit, comprises circuits for triggering, delay circuit and circuit for producing high voltage; It is characterized in that, described circuits for triggering comprise human inductor A, triode VT1 and triode VT2, described delay circuit comprises resistance R4, electric capacity C5 and double base diode VT5, and described circuit for producing high voltage comprises triode VT8, transformer W1 and transformer W2;

Described human inductor A contact resistance R1, electric capacity C1, switch S 1, switch S 2, the negative electrode of diode D3, relay J, the colelctor electrode of triode VT1 and the colelctor electrode of triode VT2, the other end contact resistance R4 of switch S 1 and resistance R5, the other end of resistance R4 connects the emitter stage of electric capacity C5 and double base diode VT5, the other end contact resistance R6 of electric capacity C5, resistance R12, the contact J-1 of relay J, the anode of diode D2, the winding L 2 of transformer W1, the emitter stage of triode VT6, the emitter stage of triode VT7, the emitter stage of triode VT8 and the emitter stage of triode VT9, the other end of resistance R5 connects a base stage of double base diode VT5, another base stage contact resistance R2 of double base diode VT5, the other end of resistance R6, the anode of diode D1 and the emitter stage of triode VT2, the other end of switch S 2 connects the positive pole of power supply E1, the other end of the negative pole contact resistance R2 of power supply E1, the other end of electric capacity C1, electric capacity C2, the emitter stage of triode VT3 and loudspeaker B, the base stage of the other end connecting triode VT1 of resistance R1, the base stage of the emitter stage connecting triode VT2 of triode VT1, the negative electrode contact resistance R3 of diode D1 and the other end of electric capacity C2, the other end of resistance R3 connects electric capacity C3, the base stage of electric capacity C4 and triode VT3, the base stage of the other end connecting triode VT4 of electric capacity C3, the emitter stage of other end connecting triode VT4 of electric capacity C4 and the other end of loudspeaker B, the other end of the collector connection relay J of triode VT4 and the anode of diode D3, the other end contact resistance R7 ~ R10 of the contact J-1 of relay J, the winding L 1 of transformer W1 and the winding L 3 of transformer W2, the other end contact resistance C6 of resistance R7 and the colelctor electrode of triode VT6, the other end of other end contact resistance R8 of electric capacity C6 and the base stage of triode VT7, the base stage of triode VT6 connects the other end of electric capacity C7 and resistance R9, the other end of the other end contact resistance R10 of electric capacity C7, resistance R11, the colelctor electrode of electric capacity C8 and triode VT7, the other end of the other end contact resistance R12 of resistance R11, the other end of electric capacity C8 and the base stage of triode VT8, the colelctor electrode of triode VT8 connects the other end of the negative electrode of diode D2 and the winding L 1 of transformer W1, the base stage of the other end connecting triode VT9 of the winding L 2 of transformer W, the other end of the winding L 3 of the colelctor electrode connection transformer W2 of triode VT9, the two ends of the winding L 4 of transformer W export high-tension electricity U1.

2. high-pressure anti-theft warning handbag circuit according to claim 1, it is characterized in that, described relay J is normally-closed contact relay.

3. high-pressure anti-theft warning handbag circuit according to claim 1, it is characterized in that, described power supply E1 is 12V direct current.