CN201981862U - Automobile multi-door combination control anti-theft device - Google Patents
Automobile multi-door combination control anti-theft device Download PDFInfo
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- CN201981862U CN201981862U CN 201120077704 CN201120077704U CN201981862U CN 201981862 U CN201981862 U CN 201981862U CN 201120077704 CN201120077704 CN 201120077704 CN 201120077704 U CN201120077704 U CN 201120077704U CN 201981862 U CN201981862 U CN 201981862U
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Abstract
The utility model belongs to the field of electronic technology and automotive electronics and relates to an automobile multi-door combination control anti-theft device. The device consists of a direct current power supply DC, a door controlled switch, a potential balance circuit, a time-delay circuit, an unbalance signal amplifying circuit and a unidirectional thyristor control and triggering circuit. The device is characterized in that the triggering circuit of a unidirectional thyristor VS is the unbalance signal amplifying circuit, and a unidirectional thyristor controlled load is a high-loudness piezoelectric buzzer Y. The anti-theft device is an auxiliary alarming and prompt device in case that a vehicle door is unexpectedly opened or is not closed well. Once the alarming device is on an alarm state, other people except a car owner can not reset the circuit and can only cut off the power supply of the alarming device with a car key, otherwise, the piezoelectric buzzer in the circuit buzzes constantly. After entering into the car, the car owner can actively cut off the power supply of the alarming device within 15 seconds under normal conditions. From the circuit working principle, the anti-theft device can also be used as a prompt device when the car door is not closed well.
Description
Technical field
The utility model belongs to electronic technology and vehicle electric field, relates to the multi-door joint control anti-theft device of a kind of automobile.
Background technology
Several alarms common on the market mainly contain:
The breakaway-element anti-theft device: the function of breakaway-element anti-theft device is that the firing circuit of motor or fuel delivery loop are cut off, and motor can't be started.From the form that adopts, existing mechanical lock also has the wireless remote control type lock, even puzzle lock is arranged; Also have the battery terminal shearing device, it is installed in the battery next door, as long as close storage battery power supply circuit and pinning, the Circuits System of whole automobile will be cut off.
Electronic alarm system: electronic alarm system is an anti-theft device the most popular on the present automobile, advanced design, complex structure.But function all is single, also is that the signal that gives the alarm is called upon others for help or frightened the burglar away.
First kind of electronic alarm system is the flash of light warning system, and light emitting diode is housed on fascia, both can allow the car owner know the duty of this system, also can play the threatening effect to the car thief who spies upon the compartment.
Second kind of electronic alarm system can be sent threatening property signal, in case there is the people to swarm into the compartment without authorization, this warning system can give the alarm to car owner at a distance.Concrete principle is: when car door, luggage compartment lid or hood were removed by force by the people, the receiver of carrying to the car owner sent alarm signal.
The third is the ultrasonic wave alarm, the similar cassette recorder size of ultrasonic wave alarm.This alarm is to utilize ultrasonic transmitter to send pulse ultrasonic wave.In the time of in the people slips into car, the ultrasonic wave recipient just is interfered, and alarm starts warning at once.Be provided with the microwave signal processor in this warning system, switch is the coded lock of one group of 4 bit digital.In the time of in the car owner is seated in car, there is 15 seconds time to allow the car owner initiatively turn off alarm buzzer, to avoid the mistake ring.And the burglar can't close alarm buzzer owing to do not know password, no matter where automobile is reached, always alarm is ceaselessly piping.
The multi-door joint control anti-theft device of automobile that the utility model uses a small amount of discrete component to make is a kind of additional alarm, the alarm set at certain car door accident is opened or car door does not shut.In a single day this anti-theft device enters alarm condition, and non-car owner can't make the circuit reset of anti-theft device, reset to cut off the power supply of this anti-theft device with automobile key, otherwise piezoelectric buzzer can not stop to pipe in the circuit.Under normal circumstances, when the car owner into the car after, have time of 15 seconds initiatively to close the power supply of anti-theft device approximately.From the circuit working principle as can be known, the utility model can also not closed the alarm set that puts in place as car door.
Below describe the multi-door joint control anti-theft device of this automobile in detail and make related relevant technologies measure.
The utility model content
Goal of the invention and beneficial effect: the multi-door joint control anti-theft device of automobile that the utility model uses a small amount of discrete component to make is a kind of additional alarm, the alarm set at automobile car door accident is opened or car door does not shut.In a single day this anti-theft device enters alarm condition, and non-car owner can't make the circuit reset of anti-theft device, can only could cut off the power supply of anti-theft device with automobile key, otherwise the piezoelectric buzzer in the circuit can only pipe ceaselessly.Under normal circumstances, in the car owner enters automobile after, can in 15 second time, initiatively close the power supply of anti-theft device.From the circuit working principle as can be known, the utility model can also not closed the alarm set that puts in place as car door.
Technical characterictic: the multi-door joint control anti-theft device of automobile, form by dc source DC, gate controlled switch and potential balance circuit, delay circuit, unbalance signal amplification circuit, one-way SCR control and circuits for triggering, it is characterized in that: the circuits for triggering of one-way SCR VS are the unbalance amplifying circuit of current potential, and the load of one-way SCR VS control is high loudness piezoelectric buzzer Y.
Connection features in the composition of each several part circuit and the circuit between the components and parts
Gate controlled switch and potential balance circuit: form by gate controlled switch AN1～AN3 and silicon diode D1, silicon diode D2 and resistance R 1, it is characterized in that: the positive pole of silicon diode D1 connects the end of gate controlled switch AN3, other end serial connection gate controlled switch AN2, the gate controlled switch AN1 of gate controlled switch AN3 link to each other with the anodal VCC of dc source DC, the negative pole of silicon diode D1 connects the negative pole of silicon diode D2 and an end of resistance R 1, the other end connection circuit ground GND of resistance R 1.
Delay circuit: form by electrochemical capacitor C1 and resistance R 2, it is characterized in that: the end of the anodal connecting resistance R2 of electrochemical capacitor C1 and the emitter stage of silicon transistor VT1, the other end connection circuit ground GND of the negative pole of electrochemical capacitor C1 and resistance R 2.
The unbalance amplifying circuit of current potential: the base stage of silicon transistor VT1 connects the positive pole of silicon diode D2, and the colelctor electrode of silicon transistor VT1 meets the anodal VCC of dc source DC, and the emitter stage of silicon transistor VT1 connects the positive pole of silicon diode D3.
One-way SCR control and circuits for triggering: the negative pole with silicon diode D3 behind the control utmost point series resistor R3 of one-way SCR VS joins, the anode of one-way SCR VS meets the anodal VCC of dc source DC, and the negative electrode of one-way SCR VS is connected in series connection circuit ground GND behind the high loudness piezoelectric buzzer Y.
The circuit working principle:
The circuit theory diagrams of alarms and security systems for automobiles as shown in drawings.When the power switch S1 of automobile connected, the power supply of automobile 12V battery was added on the circuit, and this moment, the circuit of anti-theft device was activated.
When automotive door was shut, the gate controlled switch AN1～AN3 that is one another in series all was in " connection " position, and the 12V dc source all is added in the two ends of resistance R 1, and silicon rectifier diode D2 is ended.Therefore, the effect of resistance R 1 is to stop silicon transistor VT1 conducting, and at this moment the circuit of anti-theft device is in holding state.If when someone opens a certain car door of automobile, corresponding gate controlled switch AN becomes off-state, after circuit was delayed time 15 seconds through electrochemical capacitor C1, and silicon transistor VT1 conducting, then make triggering one-way SCR VS conducting cause piezoelectric buzzer Y to pipe, show that this is carved with the people and is attempting car steathily.Even if at this moment shut automotive door again, one-way SCR VS still keeps conducting, piezoelectric buzzer Y pipes and can not stop.
Make the circuit reset of anti-theft device, can only use automobile key power cutoff switch S 1, when the circuitry cuts direct-current power supply of anti-theft device, piezoelectric buzzer Y just can stop to pipe.
Under normal circumstances, in the car owner is seated in car after, can in about 15 seconds time, initiatively turn off the power supply of anti-theft device.From the circuit working principle as can be known, the utility model can also not closed the alarm set that puts in place as car door.
Description of drawings
Accompanying drawing is the embodiment circuit working schematic diagram that the utility model provides a multi-door joint control anti-theft device of automobile.Circuit ground GND in the accompanying drawing is the bonding of automobile.The number of required gate controlled switch AN should be determined according to the arrangements for automotive doors number in the circuit, and the circuit in the accompanying drawing is an example with 3 gate controlled switches.
The specific embodiment
Implement according to the circuit working schematic diagram of the multi-door joint control anti-theft device of automobile shown in the accompanying drawing and the components and parts technical requirements of description of drawings and the following stated, can realize the utility model.
The selection of components and parts and technical data thereof
The model of silicon transistor VT1 is selected BC557 for use, or selects 2SC9013 type silicon transistor for use.
D1～D3 is a silicon rectifier diode, can select models such as IN4001 for use.
Resistance all uses RTX-1/4W type metalfilmresistor, and the resistance of resistance R 1 is 100K Ω, and the resistance of resistance R 2 is 1.0M Ω, and the resistance of resistance R 3 is 10K Ω.
The model of electrochemical capacitor is the CD11-25V type, and the capacity of electrochemical capacitor C1 is 100 μ F.
VS is an one-way SCR, and model can be selected models such as BT169 for use.
Y is the piezoelectric buzzer of high loudness, and operating voltage is 9～15V.
AN1～AN3 is a gate controlled switch, selects the one pole key switch for use, and required number should be determined according to the arrangements for automotive doors number; S1 is the key-type automobile power supply switch.
The making and the circuit adjustment of device
In the circuit of the multi-door joint control anti-theft device of automobile, as long as the electronic devices and components performance of selecting for use is intact, and the components and parts annexation in the accompanying drawing is welded to specifications, after the physical connection line of circuit and welding quality process scrutiny are correct, but circuit does not need just operate as normal of debugging substantially.
If the car owner feels that the delay time of circuit is too short, can suitably increase the capacity of electrochemical capacitor C1 or the resistance of increase resistance R 2.If the sound during sensation piezoelectric buzzer Y work is big inadequately, can suitably reduce the resistance of resistance R 3.Require the hidden installation of gate controlled switch AN1～AN3, and require the reliable in action of gate controlled switch.
Claims (5)
1. multi-door joint control anti-theft device of automobile, form by dc source DC, gate controlled switch and potential balance circuit, delay circuit, the unbalance amplifying circuit of current potential, one-way SCR control and circuits for triggering, it is characterized in that: the circuits for triggering of one-way SCR VS are unbalance signal amplification circuit, and the load of one-way SCR VS control is high loudness piezoelectric buzzer Y.
2. the multi-door joint control anti-theft device of automobile according to claim 1, gate controlled switch and potential balance circuit are made up of gate controlled switch AN1～AN3 and silicon diode D1, silicon diode D2 and resistance R 1, it is characterized in that the positive pole of silicon diode D1 connects the end of gate controlled switch AN3, other end serial connection gate controlled switch AN2, the gate controlled switch AN1 of gate controlled switch AN3 link to each other with the anodal VCC of dc source DC, the negative pole of silicon diode D1 connects the negative pole of silicon diode D2 and an end of resistance R 1, the other end connection circuit ground GND of resistance R 1.
3. the multi-door joint control anti-theft device of automobile according to claim 1, delay circuit is made up of electrochemical capacitor C1 and resistance R 2, it is characterized in that: the end of the anodal connecting resistance R2 of electrochemical capacitor C1 and the emitter stage of silicon transistor VT1, the other end connection circuit ground GND of the negative pole of electrochemical capacitor C1 and resistance R 2.
4. the multi-door joint control anti-theft device of automobile according to claim 1, the feature of the unbalance amplifying circuit of current potential is: the base stage of silicon transistor VT1 connects the positive pole of silicon diode D2, the colelctor electrode of silicon transistor VT1 meets the anodal VCC of dc source DC, and the emitter stage of silicon transistor VT1 connects the positive pole of silicon diode D3.
5. the multi-door joint control anti-theft device of automobile according to claim 1, the feature of one-way SCR control and circuits for triggering is: the negative pole with silicon diode D3 behind the control utmost point series resistor R3 of one-way SCR VS joins, the anode of one-way SCR VS meets the anodal VCC of dc source DC, and the negative electrode of one-way SCR VS is connected in series connection circuit ground GND behind the high loudness piezoelectric buzzer Y.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120077704 CN201981862U (en) | 2011-03-23 | 2011-03-23 | Automobile multi-door combination control anti-theft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120077704 CN201981862U (en) | 2011-03-23 | 2011-03-23 | Automobile multi-door combination control anti-theft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201981862U true CN201981862U (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120077704 Expired - Fee Related CN201981862U (en) | 2011-03-23 | 2011-03-23 | Automobile multi-door combination control anti-theft device |
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| Country | Link |
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| CN (1) | CN201981862U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167009A (en) * | 2011-03-23 | 2011-08-31 | 刘昭利 | Multi-door linked-control anti-theft device for vehicle |
| CN110470100A (en) * | 2019-08-30 | 2019-11-19 | 何林 | The reliable alarm set of refrigerator enabling |
-
2011
- 2011-03-23 CN CN 201120077704 patent/CN201981862U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167009A (en) * | 2011-03-23 | 2011-08-31 | 刘昭利 | Multi-door linked-control anti-theft device for vehicle |
| CN102167009B (en) * | 2011-03-23 | 2012-10-31 | 刘昭利 | Multi-door linked-control anti-theft device for vehicle |
| CN110470100A (en) * | 2019-08-30 | 2019-11-19 | 何林 | The reliable alarm set of refrigerator enabling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20130323 |