CN2183297Y

CN2183297Y - Electronic anti-theft alarming ignitor for automobile

Info

Publication number: CN2183297Y
Application number: CN 94200091
Authority: CN
Inventors: 胡凤田
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-01-07
Filing date: 1994-01-07
Publication date: 1994-11-23
Anticipated expiration: 2004-01-07

Abstract

The utility model relates to an electronic anti-theft alarm ignition device for an automobile. The utility model additionally has the functions of theft prevention and alarm. The utility model comprises an electronic ignition circuit and an anti-theft sounding alarm circuit, wherein the electronic ignition circuit is composed of a shaping circuit, an amplifying circuit and a power switching circuit, and the anti-theft sounding alarm circuit is composed of a key module, an alarm control circuit, an oscillation circuit with a relay load and an automobile horn. An electric discharge high voltage is generated in an ignition coil to control ignition according to the on-off state of a platinum contact point. When the key module is plugged in, the anti-theft alarm circuit is cut off. When the key module is pulled out, the anti-theft alarm circuit is in a 'ready' state. Once fire is ignited and a power supply circuit is switched on, a sounding alarm is sent out. The utility model has the advantages of simple structure and convenient wire connection.

Description

Electronic anti-theft alarming ignitor for automobile

The utility model relates to a kind of automobile igniter, relates to a kind of automotive electronic igniter or rather.

Present petrolic non-contact electronic ignition device has multiple circuit structure form, in petrolic vehicle with platinum cutout relay and storage battery minus earth, utilize original high-tension coil the platinum sparking mode of automobile can be changed over electronic ignition mode, have advantages such as ignition energy is big, igniting good reliability, minimizing pollution, saving oil consumption.Such Ignition Module is linked in sequence by voltage waveform shaping circuit, amplifying circuit and the power switch circuit of platinum contact make-and-break signal substantially and constitutes, high-tension coil is the load of power switch pipe, the quick break-make of power switch pipe produces the discharge high pressure in high-tension coil.

Existing automotive electronic igniter only has ignition function usually, and does not have anti-theft alarm function, when the needs anti-theft alarm, also will set up independent automobile burglar key and corresponding electronic circuit thereof, brings inconvenience to application.

The purpose of this utility model is a kind of automotive electronic igniter that has anti-theft alarm function concurrently of design, has only and uses key module of the present utility model, but normal ignition, in case otherwise light a fire then carry out audible alarm.

Vehicle electronics anti-theft alarm firing unit of the present utility model, be linked in sequence by shaping circuit, amplifying circuit and power switch circuit and constitute, the shaping circuit input end connects automobile distributor controlled platinum contact, the power switch circuit mouth connects automobile ignition coil, power supply termination automobile power source+, ground end bonding, it is characterized in that: also comprise the anti-theft warning circuit that the oscillating circuit by key module R, anti-theft and alarm circuit and tape relay load is linked in sequence and constitutes, relay moving contact one end connects horn trumpet-end, and the other end connects ground terminal; Described anti-theft and alarm circuit is made of crystal triode V3, resistance R 8, R9, R8 one termination power end, and another termination V3 base stage and R9, R9 other end ground terminal, the V3 emitter is connected with oscillating circuit, and the V3 collecting electrode connects ground terminal; Described key module R is in parallel with R8.

During vehicle ', insert key module R, V3 ends, the oscillating circuit failure of oscillation, and relay is failure to actuate, and horn trumpet and electronic anti-theft alarm set point firearm break away from does not report to the police, but normal ignition; When vehicle immobilization was dialled the key module and is changed to the anti-theft alarm mode of operation, the anti-theft and alarm circuit was in " awaiting orders " state, in case when having stealer to start vehicle ignition then connect the audible alarm of this device power initiation.

Describe technology of the present utility model in detail below in conjunction with embodiment and accompanying drawing thereof.

Fig. 1 vehicle electronics anti-theft alarm firing unit frame principle figure.

Fig. 2 is the enforcement circuit diagram of square frame principle shown in Figure 1.

The use interconnecting wiring diagram of Fig. 3 vehicle electronics anti-theft alarm firing unit.

Referring to Fig. 1, shaping circuit 10, the automobile distributor controlled platinum of A termination contact, amplifying circuit 11, power switch circuit 12, B termination automobile ignition coil, key module R, alarm control circuit 13, oscillating circuit 14, relay J, horn trumpet 15, J1-1 are the moving contact of relay J.

Insert key module R, alarm control circuit 13 control oscillation circuit 14 failure of oscillations, relay J is failure to actuate, and disconnects loudspeaker 15.

Under the situation of taking away key module R and cut-in point firearm power circuit, 14 vibrations of alarm control circuit 13 control oscillation circuit, relay J is by the oscillation frequency action, and loudspeaker 15 intermittently send audible alarm by oscillation frequency.

During the automotive gasoline engine normal operation, the platinum contact one logical in the current distributor is disconnected, and the control Ignition Module is given engine ignition, and this moment, anti-theft warning circuit can not be reported to the police because of having inserted key module R.When chaufeur leaves vehicle, only need to dial to remove key module R, the anti-theft warning circuit that is made of alarm control circuit 13, oscillating circuit 14, relay J and loudspeaker 15 is set to " awaiting orders " state, stealer then sends interrupted audible alarm as long as initial igniter is the power circuit of cut-in point firearm.

Referring to Fig. 2, crystal triode V1, V2 and peripheral cell thereof constitute shaping circuit 10, and the voltage waveform of the platinum contact make-and-break signal that A point is inserted carries out shaping and exports.The A terminal voltage is zero during the platinum closing of contact, and V1 ends, the V2 conducting, and resistance R 4, capacitor C 2 and zener diode D2 have delayed-action to the conducting of V2.During the platinum contact open, the A terminal voltage rises, and V1 conducting, V2 end.

Crystal triode V6, V7 and peripheral cell thereof constitute amplifying circuit 11, and Darlington transistor V8 and peripheral cell thereof constitute power switch circuit 12, and the make-and-break signal of platinum contact is amplified with driving power switch circuit 13.V8 by conducting transfer to fast by the time, produce the discharge high pressure among the high-tension coil L, carry out normal ignition.

Aerotron V4, V5 and peripheral cell thereof are connected into standard oscillating circuit 14, and relay J is as the load of oscillating circuit 14, and (E) held on its moving contact J1-1 point of connection firearm ground

Crystal triode V3, resistance R 8, R9 constitute alarm control circuit 13, when inserting key module R, R is in parallel with R8 to make the V3 base potential for just with the result of R9 dividing potential drop again, V3 ends, oscillating circuit 14 is not because of forming the current return failure of oscillation, and loudspeaker 15 break away from this firing unit because of J1-1 disconnects and can not report to the police.Dial when removing key module R, it is negative potential that the dividing potential drop result of R8, R9 makes the base stage of V3, the V3 conducting, oscillating circuit 14 vibrations, relay J with the oscillation frequency conducting, end, its moving contact J1-1 is disconnected to close action, drives the interrupted audible alarm of loudspeaker.The D end connects+the 12V automobile power source by former automobile key switch K among the figure, and ground end E bonding connects.

Referring to Fig. 3,100 is automobile distributor controlled among the figure, and 200 is this electronic anti-theft alarm set point firearm, and 300 is automobile ignition coil.The line of 300 of former current distributor 100 and high-tension coils is removed (as shown in phantom in FIG.), and A, the B of electronic anti-theft alarm set point firearm 200, C, D, E end connect by shown in the diagram.When the former automobile key switch K of closure, anti-theft alarm firing unit 200 electric work.

The utility model has electronic ignition and two kinds of functions of anti-theft alarm concurrently, utilizes the original loudspeaker of automobile, simple in structure, line convenience, the device for carrying out said volume is little, little power consumption, but in-40 ℃ to+150 ℃ range of temperaturess normal operation, operating voltage range 8V-16V.

Claims

1, a kind of vehicle electronics anti-theft alarm firing unit, be linked in sequence by shaping circuit, amplifying circuit and power switch circuit and constitute, the shaping circuit input end connects automobile distributor controlled platinum contact, the power switch circuit mouth connects automobile ignition coil, power supply termination automobile power source+, ground end bonding, it is characterized in that: also comprise the anti-theft warning circuit that the oscillating circuit by key module R, anti-theft and alarm circuit and tape relay load is linked in sequence and constitutes, relay moving contact one end connects horn trumpet-end, and the other end connects ground terminal; Described anti-theft and alarm circuit is by crystal triode V3, and resistance R 8, R9 constitute, R8 one termination power end, and another termination V3 base stage and R9, R9 other end ground terminal, the V3 emitter is connected with oscillating circuit, and the V3 collecting electrode connects ground terminal; Described key module R is in parallel with R8.

2, vehicle electronics anti-theft alarm firing unit according to claim 1 is characterized in that described key module R is a resistor.