CN2220396Y

CN2220396Y - Anti-theft, prohibiting wine two-purpose controller for motor vehicle

Info

Publication number: CN2220396Y
Application number: CN95211765U
Authority: CN
Inventors: 刘皓宇
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-05-30
Filing date: 1995-05-30
Publication date: 1996-02-21
Anticipated expiration: 2005-05-30

Abstract

The utility model relates to an anti-theft and anti-driving after drinking controller for a motor vehicle, comprising a relay circuit and a control circuit controlling the on-off of the relay circuit, wherein, the relay contact of the relay circuit is connected to the power supply circuit of an ignition coil in series, and the control circuit comprises an alcohol sensitive sensor, an alcohol-sensitive trigger circuit, the anti-damage circuit of an alcohol-sensitive element filament, a vehicle-theft trigger circuit and a sound circuit. When alcohol gas exceeds the standard or the alcohol-sensitive element is pulled off, the action of the relay circuit can be controlled, when the motor vehicle is stolen, the action of a key also controls the action of the relay circuit, and once the relay circuit is operated, the power supply of the ignition coil is cut off. The utility model has simple structure, two purposes and self protection.

Description

Motor vehicle antitheft, alcohol prohibition dual-use controller

The utility model relates to a kind of vehicle body fittings that prevents to usurp self-propelled vehicle, relates to a kind of anti-usurping and dual-use controller that anti-driver drivings a car under the influence of alcohol or rather.

Along with expanding economy, self-propelled vehicle increases sharply, and corresponding traffic accident also increases, and the one of the main reasons that causes traffic accident is that the driver drivings a car under the influence of alcohol, and alcohol function makes the driver slow in reacting, due to the ability of judgement and processing accident reduces.On the other hand, the stolen case of vehicle also happens occasionally, and causes mental burden to the car owner, and draws together for daily life, and work causes inconvenience.

The purpose of this utility model is that design a kind ofly prevents that self-propelled vehicle is stolen and prevents the dual-use controller that the driver drivings a car under the influence of alcohol, in case when wherein a kind of situation took place, controller can cut off ignition coil circuit automatically, and self-propelled vehicle can not be started.

Controller of the present utility model adopts relay contact to connect with the power circuit of high-tension coil, distinguishes start triggering circuit with alcohol sensor and the automobile key that is under the anti-theft state, uses the mode of operation of trigger circuit control relay again; For preventing that the driver from taking out ethanol-sensing component to escape the control of controller, tamper-proof circuit also is set specially, tamper-proof circuit still can come the power circuit of point of cutoff fire coil by relay circuit.

Motor vehicle antitheft of the present utility model, alcohol prohibition dual-use controller comprise the control circuit of relay circuit and switch control relay circuit thereof, and the relay contact joining of relay circuit is characterized in that in the power circuit of self-propelled vehicle high-tension coil:

Described relay circuit comprises first relay circuit and second relay circuit; Described control circuit comprises alcohol sensor, the tamper-proof circuit of ethanol-sensing component filament, the quick trigger circuit of wine and robber's car trigger circuit; Also comprise acoustics circuit; The mouth of described alcohol sensor connects the control end of alcohol prohibition trigger circuit, the ethanol-sensing component glower end of alcohol sensor connects the tamper-proof circuit control end of ethanol-sensing component filament, the tamper-proof circuit output end of ethanol-sensing component filament connects the second relay circuit control end, steal control termination automobile key one end of car trigger circuit, steal one tunnel output of car trigger circuit and export and connect the first relay circuit control end, steal another road output of car trigger circuit and connect described acoustics circuit trigger end with the quick trigger circuit of wine; The described relay contact that is serially connected in the self-propelled vehicle ignition coil power supply circuit comprises the relay contact of first relay circuit and the relay contact of second relay circuit.

The tamper-proof circuit of described ethanol-sensing component filament is a photoelectrical coupler; Described alcohol sensor connects ethanol-sensing component by constant current source and constitutes; Described second relay circuit is a relay; Constant current source output also connects photoelectrical coupler light emitting side one end and resistive conversion one end of ethanol-sensing component, power connection negative terminal behind the photoelectrical coupler light emitting side other end connection ethanol-sensing component filament, the quick trigger circuit control end of another termination wine of the resistive conversion of ethanol-sensing component, photoelectrical coupler light-receiving side one termination power anode, the other end are connected in series power connection negative terminal behind the relay coil of second relay circuit.

Described robber's car trigger circuit are by resitstance voltage divider, the 1st phase inverter, the 2nd phase inverter formation that is linked in sequence; Described acoustics circuit is linked in sequence by integrated of sound equipment, transistor amplifier and loudspeaker and constitutes; Automobile key one end is connected with the power positive end of stealing the car trigger circuit, and integrated trigger end of sound equipment connects the dividing point of divider resistance.

Comprise that also is used to insert or cut off a single-pole double throw (SPDT) functional select switch of stealing car trigger circuit and acoustics circuit, the public termination of switch is stolen the power positive end of car trigger circuit, switch one termination power negative terminal, another termination automobile key one end of switch.

Further specify technology of the present utility model below in conjunction with the embodiment accompanying drawing

Fig. 1, antitheft, alcohol prohibition dual-use controller functional block diagram;

Fig. 2, antitheft, alcohol prohibition dual-use controller electrical schematic diagram.

Referring to Fig. 1,3 is alcohol sensor, 4 is the quick trigger circuit of wine, 5 is the tamper-proof circuit of ethanol-sensing component filament, 6 for stealing the car trigger circuit, 7 is acoustics circuit, 2 is first relay circuit, 8 is second relay circuit, K is an automobile key, and L is an automobile ignition coil, and 1 is the relay contact of control ignition coil L, comprise the relay contact that is subjected to the control of first relay circuit 2 and be subjected to the relay contact of second relay circuit, 8 controls that work in coordination in two groups of contacts, the power circuit of on-off control high-tension coil L.

When controller works in the alcohol prohibition mode of operation, as long as alcohol sensor 3 detects overproof fume, promptly control the quick trigger circuit 4 change output states of wine and start first relay circuit 2, and by its break of contact ignition coil power supply; If the driver drivings a car under the influence of alcohol and when attempt to escape ethanol-sensing component and detecting, in case take out ethanol-sensing component then control tamper-proof circuit 5, its output signal is controlled the mode of operation of second relay circuit 8 immediately, and passes through the power supply of its break of contact high-tension coil L; When working in anti-theft state, in case automobile key K action then starts antitheft its output signal one road of trigger circuit 6 work and drives acoustics circuit 7 and make and send audible alarm sound, another road of its output signal, start first relay circuit 2, and by its break of contact ignition coil power supply.

Referring to Fig. 2, resitstance voltage divider R1, R2, aerotron BG1 form constant current source, and connect and compose alcohol sensor with ethanol-sensing component M.The tamper-proof circuit of ethanol-sensing component filament adopts photoelectrical coupler G, the J2 coil tandem of light-receiving side A, B and second relay circuit.Aerotron BG2, inverter ic 1, potential device R, resistance R 3 constitute the quick trigger circuit of wine.Aerotron BG3, resistance R 4, relay J 1 constitute first relay circuit.Resitstance voltage divider R5, R6, inverter ic 2, IC3 constitute antitheft trigger circuit, and sound equipment sound IC4 in blocks (9561) and aerotron BG4, loud speaker Y constitute acoustics circuit.K1 is antitheft, alcohol prohibition functional select switch.The break back contact J1-1 of relay J 1 and the moving contact J2-1 of relay J 2 are serially connected in the power circuit of high-tension coil L.

K1 beats and be the alcohol prohibition mode of operation when position 1, and this moment, antitheft trigger circuit and acoustics circuit can not be worked.The BG1 conducting has constant current to inject the resistive conversion end of ethanol-sensing component M and injects the glower end of M by the light transmitting terminal of photoelectrical coupler G, and this moment, BG2 ended by, BG3, and J1 is off state; Optical receiving end A, the B of photoelectrical coupler G be cutin relay J2 then, and relay J 2 is closure state, can light a fire.

When the driver drivings a car under the influence of alcohol, when the alcohol content in the breath was above standard, the resistance of M descended, the BG2 base potential raises, BG2 conducting (R is used to regulate the mode of operation of BG2), BG3 conducting, and relay J 1 is closure state, J1-1 disconnects, and the power supply that cuts off L forces flame-out the parking.If when taking place to destroy the situation of gas sensor M, the light emitting side of photoelectrical coupler G loses the injection electric current, its optical receiving end A, B disconnect, and relay J 2 recovers static, and J2-1 discharges, the power supply that equally also can cut off L.

1 dozen of K switch is antitheft mode of operation when position 2, in case there is the people to use automobile key K, then general+12V inserts in antitheft trigger circuit and the acoustics circuit, IC2 exports " 0 ", and IC2 exports " 1 ", BG3 conducting, relay J 1 action, J1-1 disconnects and can not light a fire, and triggers IC4 simultaneously, and the output audible signal is amplified driving loud speaker Y playback through BG4.

The utility model is simple in structure, ingenious, antitheft, the dual control of prohibiting against alcoholic drinks of design, and has anti-broken Bad self-defencive function has practical function.

Claims

1, a kind of motor vehicle antitheft, alcohol prohibition dual-use controller comprise the control circuit of relay circuit and switch control relay circuit thereof, and the relay contact joining of relay circuit is characterized in that in the power circuit of self-propelled vehicle high-tension coil:

2, motor vehicle antitheft according to claim 1, alcohol prohibition dual-use controller, it is characterized in that: the tamper-proof circuit of described ethanol-sensing component filament is a photoelectrical coupler; Described alcohol sensor connects ethanol-sensing component by constant current source and constitutes; Described second relay circuit is a relay; Constant current source output also connects photoelectrical coupler light emitting side one end and resistive conversion one end of ethanol-sensing component, power connection negative terminal behind the photoelectrical coupler light emitting side other end connection ethanol-sensing component filament, the quick trigger circuit control end of another termination wine of the resistive conversion of ethanol-sensing component, photoelectrical coupler light-receiving side one termination power anode, the other end are connected in series power connection negative terminal behind the relay coil of second relay circuit.

3, motor vehicle antitheft according to claim 1, alcohol prohibition dual-use controller, it is characterized in that: described robber's car trigger circuit are by resitstance voltage divider, the 1st phase inverter, the 2nd phase inverter formation that is linked in sequence; Described acoustics circuit is linked in sequence by integrated of sound equipment, transistor amplifier and loudspeaker and constitutes; Automobile key one end is connected with the power positive end of stealing the car trigger circuit, and integrated trigger end of sound equipment connects the dividing point of divider resistance.

4, motor vehicle antitheft according to claim 1, alcohol prohibition dual-use controller, it is characterized in that: comprise that also is used to insert or cut off a single-pole double throw (SPDT) functional select switch of stealing car trigger circuit and acoustics circuit, the public termination of switch is stolen the power positive end of car trigger circuit, switch one termination power negative terminal, another termination automobile key one end of switch.