CN2325269Y - Vehicle theft-proof device by preventing use of engine - Google Patents

Abstract

The utility model relates to a control device which can prevent an automobile or other motor vehicles from being stolen. A receiving circuit of the utility model is a radio-frequency digital signal receiving processor. A photoelectric isolating coupler, a monostable trigger, a binary counter, a bistable trigger and an electronic switch driver which are connected with each other in turn; an automatic zero-clearing circuit is arranged between the binary counter and the bistable trigger; thus, the control circuit is formed. The receiving circuit is connected with an input terminal of the control circuit, and an output terminal of the driver is respectively connected with an ignition system of the automobile, a box of an engine cover and a bolt line package of an electromagnetic lock of an automobile door. An input terminal of a power supply circuit is connected with a power supply of the automobile, and an output terminal of the power supply circuit is a voltage stabilizing transformer which is respectively utilized to provide the power supply for the signal receiving processor and the photoelectric isolating coupler.

Description

The automotive locking Car Burglar Alarm

The utility model relates to automobile and other power actuated vehicle, transportation means, prevents stolen a kind of control setup.

Automobile is stolen, utilize the self-propelled vehicle crime, even murders the driver, robs car and the serious case escaped happens occasionally.For this reason, existing various anti-joyride devices, such as by sensor, the warning device of formation such as amplifications, control circuit, what have also is provided with wireless receiving, emission and corresponding power circuit etc.The deficiencies in the prior art part mainly is: more they lay particular emphasis on and monitor whether the robber is dismantling or entering operator's compartment, starting automobile, when being arranged, above-mentioned behavior sends sound, light and so on alarm message, its in-use performance, effect are often unsatisfactory, be that precaution is poor, realized, remove or destroy easily; Causing with automobile, power actuated vehicle is that the criminal case of target is comparatively rampant always, brings great harm to society, and it is also very difficult to solve a case.Internet and some other auxiliary facilities that advanced country adopts satellite tracking, surface surveillance system to constitute realize automobile burglar, and system is very complicated, and gigantic project involves great expense, and also is difficult at present implement in China.

The purpose of this utility model is to avoid weak point of the prior art, and provides a kind of simple in structure, cheap, takes precautions against the good automotive locking Car Burglar Alarm product of performance.

Can take following technical scheme to realize purpose.This automotive locking Car Burglar Alarm, constitute by wireless receiving, control, power circuit, but wireless receiving circuit is a radio frequency digital signal receiving processor, and control circuit is isolated coupling apparatus, univibrator, binary counter, flip-flop multivibrator by photoelectricity and is connected successively and establishes automatic reset circuit between binary counter and flip-flop multivibrator with the electronic switch actuator and constitute; Wireless receiving circuit is connected the input end of control circuit, and the electronic switch output end of driver is connected with ignition system, engine top box and the car door electromagnetism locking bolt line bag of automobile respectively; Power circuit is the voltage stabilizing transformer that input end is connected with automobile power source, mouth is respectively the digital signal receiving processor, photoelectricity is isolated the coupling apparatus power supply.But make the Car Burglar Alarm product of overlength distance remote control locking automobile.

Under the prerequisite that satisfies the said structure requirement, as for the concrete formation of each functional circuit in the automotive locking Car Burglar Alarm, used device etc., all can be according to using needs, take the circumstances into consideration to set, they can both realize purpose, guarantee the in-use performance and the effect of this automotive locking Car Burglar Alarm.

Because the digital received signal treater of radio frequency is arranged in this Car Burglar Alarm, the automatic or manual paging system that device registration is wherein added public communication network, it is the paging password that Car Burglar Alarm has oneself, when the driver leaves vehicle or finds that vehicle is stolen, just can dial the paging password of vehicle by the Local Network, handle through paging centers, launch after the modulation, the Car Burglar Alarm of being exhaled was reacted in 8～10 seconds, disconnect the automotive ignition system power supply by control circuit again, lock bonnet and car door electromagnetism locking bolt, can not start, travel, door and window also can't be opened, and automobile is locked fully, makes the robber at one's wit's end, cannot succeed.Again the call page password can unlock.

The relative prior art of the technical program has following advantage and effect:

Cheap, volume is little, and installation disguise property is good, and is survivable; Speed of transmission is fast, the energy repeated usage, strong security, can both effectively realize function throughout the country, can be in advance that lock is fixed, prevent stolen, again can be stolen in the automobile accident, at any time that lock is fixed, be not subjected to time, region, space constraint, realize the overlength distance remote-control anti-theft, provide actv. to guarantee for solving a case.

In conjunction with the accompanying drawings, embodiment is described in further detail the content of the technical program.

Fig. 1 is the block diagram of automotive locking Car Burglar Alarm;

Fig. 2 is a kind of electrical schematic diagram of wireless receiving, power circuit;

Fig. 3 is a kind of electrical schematic diagram of control circuit.

In the automotive locking Car Burglar Alarm,, can directly adopt the beeper of any kind, model to constitute, as long as address code and can check with it, check and correctly just produce a control signal in can receipt of call information as the radio frequency digital signal receiving processor of its core.Therefore, it only is made of funtion parts such as radio frequency receiving demodulation plate, demoder, central process unit, read-only memory (ROM), voltage multipliers, saves other parts, and then more economical, suitable, fault rate also reduces relatively.

Among the Car Burglar Alarm of automotive locking shown in the accompanying drawing embodiment, radio frequency digital signal receiving processor is mainly by DEMOD radio frequency receiving demodulation plate RF, PCFS011T demoder IC8, HD407L4818H central process unit IC9, Q3C34B read-only memory (ROM) IC7, C302 voltage multiplier IC10 and aerotron Q9 constitute, the baseband signal mouth of RF is connected with 14 pin of IC8,20～22 of IC8,26～28 pin respectively with 25～23 of IC9,19,17,16 pin connect, 3～5 pin of IC7 respectively with 2 of IC9,1,7 pin connect, 11 pin of IC9 are connected with 2 pin of IC10, and the base stage of Q9 is connected with 6 pin of IC9 by R20; In the control circuit, photoelectricity is isolated coupling apparatus and is made of 4N25 or G0402 photoelectric coupling circuit GP, aerotron Q1, diode D1 and resistor-capacitor unit, and the positive pole of D1 is connected with the base stage of Q1 by R1 with the collecting electrode of Q9, negative pole, and the collecting electrode of Q1 is connected with 2 pin of GP; Univibrator is made of 1/2CC4013 IC 1 and peripheral element, binary counter is made of 1/2CC4013 IC 2, flip-flop multivibrator is made of 1/2CC4013 IC 3,3 pin of IC1 are connected with 4 pin of GP by R3,1 pin of IC1,4 pin are connected with 11 pin of IC2 by R4, D2 in parallel, and 13 pin of IC2 are connected with 3 pin of IC3; Automatic reset circuit is connected with the positive pole of resistor-capacitor unit R18, C12 by diode D5, its negative pole, and negative pole and the R19 of C12 connect and compose, the other end of R18 and IC2 10,4 pin of IC3 are connected; 3 pin of GP, 5,14 pin of IC1, the positive pole of D5,14 pin of IC3 all are connected with automobile power source; The multiple unit tube that the electronic switch actuator mainly is linked to be by aerotron Q2, Q3, XH012-2C relay J 0 and protection diode D3 thereof constitute, the base stage of multiple unit tube is connected with 1 pin of J0 with 1 pin, the collecting electrode of IC3 by current-limiting resistance R5,2 pin, the central contact of J0 are connected with automobile power source, and normally closed contact J0-1, open contact J0-2 are connected with automotive ignition system, engine top box and car door locking bolt line bag respectively; Power circuit is by LM7805 three terminal regulator IC4 and filter capacitor, TDA2030 power amplifier IC5 and zener diode DW, peripheral resistor-capacitor unit constitute, DW provides reference voltage for IC5,2 pin of IC4 are connected with the end of 5 pin of IC5, R8,1 pin of GP, and 4 pin of IC5 are connected with the emitter of 3 pin of IC10, Q9 and the power end of RF.IC8 is a device of writing sign indicating number through paging centers, it receives the digital paging data of sending here from RF, it is pocsag code, through decoding, data analysis, debug, judgement, by 26～28 pin clock signal, data and clock signal are passed to IC9 respectively behind the frequency division, the address code of IC7 internal memory pager, IC10 provides a times up voltage for central process unit.After the digital receiving processor of radio frequency is caught paging information, through decoding, verify the call information-address code that receives, when the address code in the call information is consistent with the address code of itself in the receiving processor, to information decoding, export a negative saltus step current potential-address code by 6 pin of IC9 and meet signal, be added to Q9 base stage, make its conducting, the collecting electrode of Q9 is isolated coupling apparatus output high level to photoelectricity.Isolate the effect of coupling apparatus through photoelectricity, the current potential that A is ordered raises by hanging down rapidly, forms the positive transition level, is transported to the clock end of univibrator by R3; Positive transition level triggers IC1 makes its upset and enters temporary stable state, its mouth is a high level by original low transition, charge to C2 through R4, the 4 pin current potentials of IC1 rise, when rising to its reset level, IC1 resets, its 1 pin returns to low level, and every triggering IC1 once, 1 pin just has the positive pulse output of a fixed width, and the width of pulse is determined by R4C2.The positive pulse signal of the 1 pin output of IC1 is sent into the CP2 input end of IC2, because D5, R18, C32, the effect of the automatic reset circuit that R19 forms, make IC2, IC3 is powering up the initial condition zero clearing that automatically reset, it is after first address meets signal that IC2 receives positive pulse signal, the Q2 end of IC2 uprises current potential by active potential and keeps, when second positive pulse is that the address meets after signal comes, binary counter overturns once more, the Q2 end is by high level step-down level, that is to say, binary counter is whenever received and is met signal impulse twice, just gives IC3 by positive pulse control signal of 13 pin output of IC2.Because of whenever once notifying from a phone call the wireless paging station, all want twice paging information of running fire, this twice paging information comes down to have finished expendable locked or release movement.Under the effect of positive pulse positive rise, the IC3 upset, the Q3 end of IC3 becomes high level, output control signal by low level; Short of CP pulse arrives, and this state is just kept always.Control signal is input to the base stage of multiple unit tube Q2Q3, and base potential is raise, and Q2Q3 saturation conduction, collecting electrode be near zero level, electric, adhesive that J0 gets, and J0-1 disconnects, automotive ignition system dead electricity open circuit, to stall; J0-2 adhesive simultaneously, automotive battery is given car engine top box and car door electromagnetism locking bolt coil YJS-1 power supply by this contact, locking bolt adhesive, each relevant position of locked bonnet and door and window.

The automotive locking Car Burglar Alarm is placed in the shelter.Optionally, it the control circuit mouth also can with connections such as usual acoustic, light crossing-signal, digital coding transmission circuit, increase warning function.

The in-use performance of accompanying drawing illustrated embodiment, result of use are good.

Claims (2)

1, a kind of automotive locking Car Burglar Alarm, constitute by wireless receiving circuit, control circuit and power circuit, it is characterized in that: wireless receiving circuit is a radio frequency digital signal receiving processor, control circuit is isolated coupling apparatus, univibrator, binary counter, flip-flop multivibrator by photoelectricity and is connected successively with the electronic switch actuator, and establishes automatic reset circuit constitute between binary counter and flip-flop multivibrator; Wireless receiving circuit is connected the input end of control circuit, and the electronic switch output end of driver is connected with ignition system, engine top box and the car door electromagnetism locking bolt line bag of automobile respectively; Power circuit is the voltage stabilizing transformer that input end is connected with automobile power source, mouth is respectively the digital signal receiving processor, photoelectricity is isolated the coupling apparatus power supply.

2, automotive locking Car Burglar Alarm as claimed in claim 1, it is characterized in that: radio frequency digital signal receiving processor is mainly by DEMOD radio frequency receiving demodulation plate RF, PCFS011T demoder IC8, HD407L4818H central process unit IC9, Q3CS4B read-only memory (ROM) IC7, C302 voltage multiplier IC10 and aerotron Q9 constitute, the baseband signal mouth of RF is connected with 14 pin of IC8,20～22 of IC8,26～28 pin respectively with 25～23 of IC9,19,17,16 pin connect, 3～5 pin of IC7 respectively with 2 of IC9,1,7 pin connect, 11 pin of IC9 are connected with 2 pin of IC10, and the base stage of Q9 is connected with 6 pin of IC9 by R20; In the control circuit, photoelectricity is isolated coupling apparatus and is made of 4N25 or G0402 photoelectric coupling circuit GP, aerotron Q1, diode D1 and resistor-capacitor unit, and the positive pole of D1 is connected with the base stage of Q1 by R1 with the collecting electrode of Q9, negative pole, and the collecting electrode of Q1 is connected with 2 pin of GP; Univibrator is made of 1/2CC4013 IC 1 and peripheral element, binary counter is made of 1/2CC4013 IC 2, flip-flop multivibrator is made of 1/2CC4013 IC 3,3 pin of IC1 are connected with 4 pin of GP by R3,1 pin of IC1,4 pin are connected with 11 pin of IC2 by R4, D2 in parallel, and 13 pin of IC2 are connected with 3 pin of IC3; Automatic reset circuit is connected with the positive pole of resistor-capacitor unit R18, C32 by diode D5, its negative pole, and negative pole and the R19 of C32 connect and compose, the other end of R18 and IC2 10,4 pin of IC3 are connected; 3 pin of GP, 5,14 pin of IC1, the positive pole of D5,14 pin of IC3 all are connected with automobile power source; The multiple unit tube that the electronic switch actuator mainly is linked to be by aerotron Q2, Q3, XH012-2C relay J 0 and protection diode D3 thereof constitute, the base stage of multiple unit tube is connected with 1 pin of J0 with 1 pin, the collecting electrode of IC3 by current-limiting resistance R5,2 pin, the central contact of J0 are connected with automobile power source, and normally closed contact J0-1, open contact J0-2 are connected with automotive ignition system, engine top box and car door locking bolt line bag respectively; Power circuit is by LM7805 three terminal regulator IC4 and filter capacitor, TDA2030 power amplifier IC5 and zener diode DW, peripheral resistor-capacitor unit constitute, DW provides reference voltage for IC5,2 pin of IC4 are connected with the end of 5 pin of IC5, R8,1 pin of GP, and 4 pin of IC5 are connected with the emitter of 3 pin of IC10, Q9 and the power end of RF.

Images