CN1330000A

CN1330000A - Antitheft alarm for car

Info

Publication number: CN1330000A
Application number: CN 01107943
Authority: CN
Inventors: 国际昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-03-30
Filing date: 2001-03-30
Publication date: 2002-01-09

Abstract

An antitheft alarm for car is composed of radio receiver, automatic alarm unit, radio transmitter, and the casings of said transmitter, receiver and remote controller. It features that its radio transmitter is composed of micro-motion sensor, signal control and processing circuit, alarm signal generator and alarm signal transmitter. It has remote receiving function and has no noise pollution.

Description

Car alarm

The car alarm that the present invention relates to belongs to burglar alarm equipment, is ground emission wireless alarm signal specifically, and the strange land receives the car alarm of alerting signal.

Existing car alarm, most for utilizing automobile self loudspeaker to send the warning sound or utilizing loudspeaker as signal source, though sound is clear and melodious loud, but its distinct disadvantage is arranged: the one, noise emission when automobile has interference source, can send loud and ear-piercing alarm sound, especially at night, Chang Yinwei is wrong report, and makes the motor vehicle environment resident can not be peaceful, has had a strong impact on resident's physical and mental health; The 2nd, easily obscure, often be that an automobile has chimes of doom, several car owners check that whether to be oneself car passive, thunderstorm weather particularly, easier wrong report is easily obscured; The 3rd, give joyriding with prompting easily, will cut off the electric screen power supply rapidly and make loud speaker become the mute.

Purpose of the present invention is intended to improve the deficiency of above-mentioned prior art, and a kind of alerting signal wireless launcher that is provided with on automobile is provided, and is provided with the car alarm that receives signalling alarm equipment in the strange land.

In order to achieve the above object, the present invention realizes like this, it comprises the wireless receiving part, the automatic control alarm part, launcher shell 18, receive and remote controller shell 23, wireless receiving partly is to disturb frequency selection circuit 11 by appearance, high-frequency amplifier circuit 12, solve circuit 13, signal amplification shaping circuit 14, signal amplifies and suspends circuit 15, loud speaker (Y) 16 is formed, automatic control alarm partly is by infrared remote control circuit 10, infrared receiving terminal and signal amplification circuit 1, signal conditioning and mutual rope circuit 2, power on-off control circuit 3, press magnetic speaker 4, automobile ignition switch control circuit 5 is formed, be characterized in that it also comprises the wireless transmission part, wireless transmission partly is by fine motion sensor circuit 6, connects signal control process and treatment circuit 7 successively, alerting signal produces circuit 8, alerting signal transmission circuit 9 constitutes.

The present invention has overcome the existing problem of existing car alarm, no longer send alerting signal with horn trumpet, place the wireless launcher on the automobile to send wireless alarm signal immediately but adopt, strange land distant reception signal sends the warning sound, the car owner receives alerting signal, take corresponding measure immediately, feedway on the automobile more then sound does not have yet, promptly eliminated the pollution of NOISE ON ENVIRONMENT, can not give stealer with caution again, increase case-solving rate, safeguarded the safety of car owner's vehicle and society again.

Description of drawings:

Fig. 1 is a line principle block scheme of the present invention;

Fig. 2 is automatic control alarm part and wireless transmission partial circuit principle schematic;

Fig. 3 is wireless receiving part and infrared remote control circuitry principle schematic;

Fig. 4 partly makes the emitter structures scheme drawing for wireless transmission of the present invention;

Fig. 5 is reception and the remote controller structural representation that wireless receiving of the present invention and automatic control alarm are partly made.

The explanation of accompanying drawing drawing:

1 infrared receiving terminal and signal amplification circuit, 2 signal conditioning and mutual rope circuit, 3 power on-off control circuits, 4 press magnetic speakers, 5 automobile ignition switch control circuits, 6 fine motion sensor circuits, 7 signal control process and treatment circuits, 8 alerting signals produce circuit, 9 alerting signal transmission circuits, 10 infrared remote control circuitry, 11 appearances are disturbed frequency selection circuit, 12 high-frequency amplifier circuits, 13 solve circuit, 14 signal amplification shaping circuits, 15 signals amplify and suspend circuit, 16 loud speakers (Y), 17 emitting antennas, 18 launcher shells, 19 cables, 20 transmitter line plates, 21 hooks, 22 soft antennas, 23 receive and the remote controller shell, and 24 receive and the remote controller wiring board.

In order better advance to understand and to implement, it is as follows with the accompanying drawing to be that embodiment further specifies below:

With Fig. 1, Fig. 2, Fig. 3 is the example explanation, automatic control alarm partly is a prior art, it comprises infrared remote control circuitry 10, the infrared signal that sends by the infrared remote control circuitry is received by infrared receiving terminal and signal amplification circuit 1, is connected with signal conditioning in turn and constitutes with mutual rope circuit 2, power on-off control circuit 3, pressure magnetic speaker 4, automobile ignition switch control circuit 5.Infrared remote control circuitry 10 is by capacitor C 22, C23, C24, C25, crystal oscillator HT, power light LED1, alarm button SW1, remove alarm button SW2, aerotron V9, V10, ic chip 6, infrared emission tube LED3 forms, the 3-7 pin of ic chip 6 is 5 lasting level control ends, 15 pin are level output end, this circuit has only used 3,4 pin, aerotron V9, V10 is a signal amplifier, VDD, VSS is the power positive cathode incoming end, inserting 3V voltage gets final product, button SW1 pushes for emergency, remove alarm button SW2 any one, infrared emission tube LED3 just launches infrared signal outward, decontrol button and then stop launching infrared signal, alarm button SW1 is used to control vehicle-mounted radiating portion line start, remove alarm button SW2 and be used for vehicle-mounted radiating portion circuit and close, simultaneously also the conducting of Control of Automobile ignition lock control circuit 5 with close.This circuit structure is simple, and is almost completely the same with the TV remote controller structure, and difference is control path quantity difference, ic chip 6 optional BA5104 integrated circuit.Infrared receiving terminal and signal amplification circuit 1 are made up of infrared receiver tube LED4, infrared receiving terminal IC1, infrared receiver tube LED4 is in order to receive the infrared signal from infrared remote control circuitry 10 middle infrared (Mid-IR) power valve LED3 emission, infrared receiving terminal IC1 is an integration module, its effect is LED4 to be received the infrared signal that comes be converted into electric signal, through amplify, signal after the demodulation, by infrared receiving terminal IC1 mouth 2 pin output pulse signals to one stage signal handle with rope circuit 2 mutually in the base knot of aerotron V1; Signal conditioning is made up of capacitor C 1, resistance R 1, R2, R3, R4 * 4, diode D1, D2, ic chip 1, IC2, aerotron V1 with mutual rope circuit 2, by the impulse singla of infrared receiving terminal IC1 output after the anti-phase amplification of aerotron V1, deliver to 2 pin of ic chip 2, the 3-7 pin is 5 lasting level output ends, its output all are monostable signals, in order to become mutual rope signal, level has added ic chip 3 in the back, makes the monostable signal of its output become mutual rope signal.Because infrared remote control circuitry 10 has only startup and closes two states, the infrared end has only been used two infrared signals, so 2 of ic chips have used two lasting level output ends of 3,4 pin, 4 input ends of 3 of ic chips, 4 mouths, 4 input ends have used 2 two mouths of ic chip, and purpose is the interlock in order to report to the police with ignition lock, ic chip 2 is selected integrated circuit BA5204 for use, and ic chip 3 is selected integrated circuit 47LS374 for use; Power on-off control circuit 3 is made up of diode D3, D4, D5, D6, D7, resistance R 5, R6, R7, aerotron V2, V3, controllable silicon SCR 1, SCR2, and this circuit is mainly used in the electric power starting of control ignition ON-OFF control circuit 5 and alerting signal generation circuit 8 and closes.Resistance R 6, diode D3, D4, aerotron V3 form logical expression F=AB, are used to control the source switch that alerting signal produces circuit, F=1, annunciator is in anti-theft state, and F=0 removes the alarming anti-theft state, resistance R 5, diode D5, D6, aerotron V2 form logical expression F=A+B, be used for the Control of Automobile ignition lock, F=1, ignition lock can be used, the success of can lighting a fire, F=0, ignition lock is invalid, can not start a car.In fact two logical expression negates each other concern that because signal source is identical, when automobile was in the anti-thefting monitoring state, automobile also can't start, and when removing the anti-theft alarm state, automobile just can start; Press magnetic speaker 4 by pressing magnetic speaker Y1 to form, main effect is when car alarm starts or removes, because of the change of voltage in the circuit, cause and press magnetic speaker Y1 to send the sound, but sound is little, the car owner does not hear and gets final product, if this purpose, be in order to allow the car owner know, car alarm is to have started, and has still closed; Automobile ignition switch control circuit 5 is made up of resistance R 10, R11, R12, zener diode DW2, diode D14, D15, D16, aerotron V5, V6, K is an ignition lock, come controlling resistance R10 position arrow J1 by automobile key, arrow J1 is the automotive engine neutral contact, and diode D15 below arrow J2 is high-tension coil the end of a thread.When car alarm is in anti-theft state, the automotive engine neutral contact can produce 6-8V voltage and make aerotron V4 conducting, aerotron V5 ends, spark current interrupts, can't start the engine, play antitheft effect, aerotron V6 conducting when automobile is in the releasing anti-theft state, ignition trigger success.

Radiating portion is an invention emphasis of the present invention, and radiating portion is to be connected successively by fine motion sensor circuit 6 that signal control process and treatment circuit 7, alerting signal produce circuit 8, alerting signal transmission circuit 9 constitutes.Fine motion sensor circuit 6 is made up of fine motion sensor ZD, resistance R 0, and resistance R 0 is serially connected on the contact 1 and

contact

2,3 of fine motion sensor ZD, and contact 4 joins with the resistance R 17 in the signal control circuit 7, and contact 5 is connected with resistance R 13; Signal control process and treatment circuit 7 are by resistance R 13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, capacitor C 5, C6, C7, C8, C9, C10, C11, C12, diode D8, D9, D10, D11, D12, D13, ic chip 4 is formed, resistance R 13 is joined by capacitor C 6 and ic chip 49 pin, resistance R 14 1 ends and capacitor C 5, resistance R 15, R19, R20, be connected with a end of resistance R 8 in the power on-off control circuit 3 after the one end parallel connection of capacitor C 8, its contact place is a positive source, the other end of resistance R 14 and resistance R 13, the common point of capacitor C 6 joins, the other end of capacitor C 5 is connected on 13 pin of ic chip 4, the other end of resistance R 15 and resistance R 16, the end of R17 joins, the other end of resistance R 17 is connected on 3 pin of ic chip 4, the other end of resistance R 16 is connected on 1 pin of ic chip 4, the other end of resistance R 19 be connected on ic chip 4 11 pin and with a bit the joining of

capacitor C

7,8 pin of the other end of capacitor C 7 and ic chip 4 join, 14 pin of another termination ic chip 4 of resistance R 20, on 1 pin of another termination ic chip 4 of capacitor C 8, resistance R 23, R21, diode D9, after the D8 series connection, the negative pole of diode D8 connects ic chip 4 12 pin, diode D10, D11, end with resistance R 22 after the parallel connection of D12 negative pole joins, the negative pole of the other end of resistance R 22 and diode D13 joins, 2 pin of the positive pole of diode D10 and ic chip 4 join, the positive pole of diode D11 and ic chip 46 pin join, 10 pin of the positive pole of diode D12 and ic chip 4 and resistance R 21, the common junction of R23 is joined, resistance R 18, capacitor C 9, C10, C11, join with power cathode after the end parallel connection of C12, the positive pole of the other end of resistance R 18 and diode D8, ic chip 49 pin join, the positive pole of the other end of capacitor C 9 and diode D9 joins, capacitor C 10 other ends and ic chip 43 pin join, the other end of capacitor C 11 and resistance R 23, the positive pole of diode D13 joins, and connect 2 pin that the next stage alerting signal produces ic chip 5 in the circuit 8, the negative pole of the other end of capacitor C 12 and diode D13 joins, and connects on 1 pin of ic chip 5 in the next stage alerting signal generation circuit 8; Alerting signal produces circuit 8 and is made up of ic chip 5, resistance R 24, the negative pole of 1 pin of ic chip 5 and upper class diode D13 joins, the common point of the positive pole of 2 pin and upper class diode D13, resistance R 23, capacitor C 11 joins, 3 pin and resistance R 24 1 ends join, and the aerotron V7 base knot in the alerting signal transmission circuit 9 of the other end of resistance R 24 and next stage joins; Alerting signal transmission circuit 9 is by aerotron V7, V8, capacitor C 13, C14, C15, C16, C17, C18, C19, C20, C21, resistance R 25, inductance coil L1, L2 forms, aerotron V7 base knot and capacitor C 13, C14, join with the common point of upper class resistance R 24, the other end of capacitor C 13, the emitter-base diode of aerotron V7, one end of resistance R 25, negative pole with power supply after the emitter-base diode parallel connection of aerotron V8 joins, the other end of capacitor C 14 and inductance coil L1, capacitor C 15, the end of C16 joins, the assembly of the inductance coil L1 other end and aerotron V7 is joined, capacitor C 15 other ends with join with an end of capacitor C 19 after an end of capacitor C 16 is in parallel, the assembly of the other end of capacitor C 19 and aerotron V7, the common port of capacitor C 20 joins, the base knot of the other end of capacitor C 20 and aerotron V8, the common port of resistance R 25 joins, the assembly of aerotron V8 and capacitor C 18, the common port of inductance coil L2 joins, capacitor C 18, emitting antenna 17 joins a bit joining on capacitor C 21 other ends and the inductance coil L2 with capacitor C 21.

Its principle of work of radiating portion:

Fine motion sensor ZD can select any type for use, but preferably select for use the band sheath to go between, because of the sheath lead-in wire being fixed on the car body, the robber is if want to remove the fine motion sensor, then can produce permanent constantly alarm signal bugle call, when vibration signal, fine motion sensor ZD transfers vibration signal to current signal, outputs on the resistance R 13 through amplification; When vibration signal produces, produce and report to the police, but very fast termination, principle is that there are six phase inverters ic chip 4 inside, i.e. 1-2,3-4,5-6,9-8,11-10, six phase inverters of 13-12 pin, 14,7 pin are power ends, and 14 pin are by resistance R 20 power connection positive poles, 7 pin power connection negative poles.During power connection, branch at resistance R 15, R0 is depressed, for resistance R 16, R17 provide voltage, capacitor C 8 conductings make 2 pin output low levels of ic chip 4, and capacitor C 10 is because of the charging conducting, 3 pin of ic chip 4 become low level, 4 pin are then exported high level, and 5 pin also become high level, and 6 pin are output low level then.13 pin of ic chip 4 because of capacitor C 5 charging conductings, and become high level, and 12 pin become low level, diode D8 conducting, and 9 pin of ic chip 4 become low level, and 8 pin become high level, and 11 pin also become high level, and 10 pin become low level.The positive pole of diode D10 connects 2 pin of ic chip 4, diode D11 positive pole connects 6 pin of ic chip 4, the positive pole of diode D12 connects 10 pin of ic chip 4, because of 2,6,10 pin of ic chip 4 all are low levels, diode D10, D11, D12 end, resistance R 22 not conductings, 1 pin of ic chip 5 are because of no operating voltage, and signal output does not take place.When capacitor C 5, when C8, C10 charging finishes, capacitor C 8 not conductings, 1 pin of ic chip 4 still are high level, and 2 pin are low level, resistance R 17 is because of not conducting of no-voltage, 3 pin of ic chip 4 are low level, and 4 pin are high level, and 6 pin are low level, diode D10, still not conducting of D11, and after 5 chargings of ic chip 4 13 pin, capacitor C finished, diode D8 ended, 2 not conductings of pin of ic chip 5.This moment, IC5 was because of come out of action voltage, and signal output can not be arranged, and promptly entered the alarm monitoring state.When automobile is subjected to external interference, the microvibration of car body, the fine motion sensor is converted to electric signal with vibration signal, resistance R 13, capacitor C 6 conductings, and 9 pin of ic chip 4 become high level, 8 pin output low levels, 11 pin become low level, 10 pin output high level, diode D12 conducting, provide power line voltage through resistance R 22 to 1 pin of ic chip 5, ic chip 5 produces alerting signal.Along with resistance R 19 is constantly charged to capacitor C 7, capacitor C 7 voltages raise gradually, and when reaching certain voltage, the upset of 10 pin level of ic chip 4 is low level, diode D12, resistance R 22 not conductings, and the 1 pin come out of action voltage of IC5 stops to produce aud. snl..Change the resistance of R19, can change 10 pin level flip-flop transitions of ic chip 4.Effect is when producing chimes of doom because of body oscillating, to continue for some time and stop automatically.When the people attempts to remove annunciator, fine motion sensor ZD sheath lead-in wire then opens circuit and opens circuit because of resistance R 0, resistance R 15 becomes high level with resistance R 16, R17 contact place, diode D11 exports high level, provide operating voltage through resistance R 22 to ic chip 5, and it is send alerting signal, and constant.C11, C12 strobe, and reduce peak voltage, and protection ic chip 5 is not damaged.As long as ic chip 5 has operating voltage, provide power supply by diode D10, D11, D12, resistance R 22, just there is signal output to arrive resistance R 24 ends, ic chip 5 is a sound analog IC, this routine type selecting is that 9561 four tones of standard Chinese pronunciation ring analog IC, also can select 555 any types, XG-901N, XG-902N etc. for use, only need a little adjustment of circuit is got final product; Aerotron V7 in the alerting signal transmission circuit 9 provides alerting signal by resistance R 24, aerotron V7 amplifies the coupling alerting signal for inductance coil L1, capacitor C 15, C16, C19 provide, modulation back signal amplifies through aerotron V8, be transmitted in the air through capacitor C 17, C18, inductance coil L2, capacitor C 21, emitting antenna 17, handle by wireless receiving part receiving end.

Wireless receiving partly is a prior art, and it is by capacitive reactance frequency selection circuit 11, high-frequency amplifier circuit 12, solves circuit 13, signal amplification shaping circuit 14, signal amplifies again and suspend circuit 15, loud speaker (Y) 16 formations.Capacitive reactance frequency selection circuit 11 is made up of capacitor C 26, C27, C28, C29, C30, inductance coil L3; High-frequency amplifier circuit 12 is made up of resistance R 26, R27, R28, capacitor C 31, aerotron V11, V12; Solving circuit 13 is made up of capacitor C 32, C33, C34, C35, C36, C37, C38, C39, C40, C41, resistance R 29, R30, R31, R32, R33, inductance coil L4, L5, aerotron V13; Signal amplification shaping circuit 14 is made up of resistance R 34, R35, R36, R37, R38, amplifier shaping integrated package A1, A2, capacitor C 42, C43; Signal amplifies with time-out circuit 15 again to be made up of resistance R 39, R40, R41, R42, R43, R44, capacitor C 44, C45, diode D17, D18, pause button SW3, alert lamp LED2; Loud speaker 16 is made up of loud speaker Y2.

The receiving unit principle of work:

When fine motion sensor ZD receives signal generation vibration, outwards transmit by emitting antenna 17 by alerting signal transmission circuit 9, capacitor C 27 in the capacitive reactance frequency selection circuit 11, C28, when inductance coil L3 has oscillating current to produce, capacitor C 30, the C29 both end voltage changes, through inductance coil L3, capacitor C 29 is added in the base knot of the aerotron V11 in the high-frequency amplifier circuit 12, capacitive reactance frequency selection circuit 11 is a gating in order to receive the wireless high-frequency signal of being launched by vehicle carried device, when the natural mode shape of the high-frequency signal that only receives and circuit itself is identical, gating; Be added to the base knot of aerotron V11 when signal voltage, V11 amplifies by aerotron, amplified signal is directly through the anti-phase amplification of aerotron V12, amplifying signal is input on the capacitor C 32 that solves in the circuit 13, be coupled to the emitter-base diode of aerotron V13 through capacitor C 32, capacitor C 33, C34, C35, C36, the data alerting signal that inductance coil L5 demodulates, send in the next stage signal amplification shaping circuit 14 among the amplifier shaping integrated package A1 through resistance R 32, signal amplification shaping circuit 14 is by amplifier shaping integrated package A1, A2 forms amplifying circuit twice, after amplifier shaping integrated package A1 provides signal voltage by resistance R 32, export to after the amplification on the resistance R 37, after amplifier shaping integrated package A2 provides signal voltage to amplify by resistance R 37 again, output signal voltage be added to the next stage signal amplify again with the resistance R of suspending in the circuit 15 39 on; Differential amplifier circuit has been adopted in amplifier shaping integrated package A1, A2 inside, can reduce zero creep and suppress and disturb, and to remove clutter, improving sound quality one is shaping; Pass through diode D17 by resistance R 39, resistance R 41 provides basic junction voltage for aerotron V14, resistance R 43 provides basic junction voltage for aerotron V15, carrying out signal amplifies, capacitor C 44, C45, diode D18, pause button SW3 forms the time-out circuit, when pressing pause button Sw3, capacitor C 45 is discharged rapidly, aerotron V14 base junction voltage reduces to 0, aerotron V6, V7 ends, and the loud speaker Y2 chimes of doom in the loud speaker 16 stops, when turning on the power switch SW4, power supply is open-minded, capacitor C 44 begins charging, and loud speaker Y2 begins to sound, and alert lamp LED2 is bright, when capacitor C 44 chargings finish, aerotron V11 base junction voltage is 0, and self check sound finishes, and alert lamp LED2 goes out.

With Fig. 1, Fig. 2, Fig. 4 is the example explanation: press among Fig. 1 automatic control alarm partly successively with infrared receiving terminal and signal amplification circuit 1, signal conditioning and mutual rope circuit 2, power on-off control circuit 3, press magnetic speaker 4, automobile ignition switch control circuit 15 connects, radiating portion fine motion sensor 6 is connected signal control process and treatment circuit 7 successively, alerting signal produces circuit 8, alerting signal transmission circuit 9, each electric elements is welded on the transmitter line plate 20 of drafting by Fig. 2, after each electric elements welded, insulating mounting is on launcher shell 18, on transmitter line plate 20, connect a cable 19, the inner six conductors altogether of cable, two connect automobile 12V power supply, two of all the other 4 contact fire switches wiring, high-tension coil, each one of driving engine neutral contact, connect with each point of connection, the emitting antenna 17 that joins with the capacitor C 21 in the alerting signal transmission circuit 9 is installed on the launcher shell 18, so that transmit usefulness, infrared receiver tube LED4 is installed on the launcher shell 18, and connect with circuit, so that receive infrared signal from infrared remote controller 10 infrared emission tube LED3 emission.After all install, be installed in a certain concealed location of automobile and get final product.

With Fig. 1, Fig. 3, Fig. 5 is the example explanation: press among Fig. 1 wireless receiving partly successively with capacitive reactance frequency selection circuit 11, high-frequency amplifier circuit 12, solve circuit 13, signal amplification shaping circuit 14, signal amplifies and suspends circuit 15, loud speaker 16 connects, by among Fig. 3 each components and parts being welded in the reception and remote controller wiring board 24 of drafting, infrared remote control circuitry 10 is also welded, to receive with remote controller wiring board 24 insulating mounting receive with remote controller shell 23 in, with alarm button SW1, remove alarm button SW2, pause button SW3, source switch SW4, LED 1, LED2, infrared emission tube LED3, the receiving wire 22 that joins with the capacitor C 26 in the capacitive reactance frequency selection circuit 11, be installed on reception and the remote controller shell 23, on reception and remote controller shell 23, can establish a hook 21 in order to carry and to place conveniently, receive with remote controller and can carry, when leaving car, the car owner can open and receive and remote controller, vehicle-mounted radiating portion and automatic control alarm partly enter mode of operation, as car owner onboard the time, partly quit work with remote controller control radiating portion and automatic control alarm.

The present invention is a kind of more satisfactory annunciator that is installed at present on the automobile.

Claims

1, a kind of car alarm, it comprises the wireless receiving part, the automatic control alarm part, launcher shell (18), receive and remote controller shell (23), wireless receiving partly is by capacitive reactance frequency selection circuit (11), high-frequency amplifier circuit (12), solve circuit (13), signal amplification shaping circuit (14), signal amplifies and suspends circuit (15), loud speaker (16) is formed, automatic control alarm partly is by infrared remote control circuit (10), infrared receiving terminal and signal amplification circuit (1), signal conditioning and mutual rope circuit (2), power on-off control circuit (3), press magnetic speaker (4), automobile ignition switch control circuit (5) is formed, it is characterized in that it also comprises the wireless transmission part, wireless transmission partly is by fine motion sensor circuit (6), connects signal control process and treatment circuit (7) successively, alerting signal produces circuit (8), alerting signal transmission circuit (9) constitutes.

2, by the described car alarm of claim 1, it is characterized in that: fine motion sensor circuit (6) is made up of fine motion sensor (ZD), resistance (R0), resistance (R0) is serially connected on the contact (1) and contact (2,3) of fine motion sensor (ZD), resistance (R17) in contact (4) and the signal control circuit (7) joins, and contact (5) are connected with resistance (R13);

Signal control process and treatment circuit (7) are by resistance (R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23), electric capacity (C5, C6, C7, C8, C9, C10, C11, C12), diode (D8, D9, D10, D11, D12, D13), integrated package (IC4) is formed, resistance (R13) joins by electric capacity (C6) and integrated package (IC4) 9 pin, resistance (R14) end and electric capacity (C5), resistance (R15, R19, R20), be connected with a end of resistance (R8) in the power on-off control circuit (3) after the one end parallel connection of electric capacity (C8), its contact place is a positive source, the other end of resistance (R14) and resistance (R13), the common point of electric capacity (C6) joins, the other end of electric capacity (C5) is connected on 13 pin of integrated package (IC4), the other end of resistance (R15) and resistance (R16, R17) a end joins, the other end of resistance (R17) is connected on 3 pin of integrated package (IC4), the other end of resistance (R16) is connected on 1 pin of integrated package (IC4), the other end of resistance (R19) be connected on integrated package (IC4) 11 pin and with a bit the joining of electric capacity (C7), 8 pin of the other end of electric capacity (C7) and integrated package (IC4) join, 14 pin of another termination integrated package (IC4) of resistance (R20), on 1 pin of another termination integrated package (IC4) of electric capacity (C8), resistance (R23, R21), diode (D9, D8) after the series connection, the negative pole of diode (D8) connects integrated package (IC4) 12 pin, diode (D10, D11, D12) join with an end of resistance (R22) after the negative pole parallel connection, the negative pole of the other end of resistance (R22) and diode (D13) joins, 2 pin of the positive pole of diode (D10) and integrated package (IC4) join, the positive pole of diode (D11) and integrated package (IC4) 6 pin join, 10 pin of the positive pole of diode (D12) and integrated package (IC4) and resistance (R21, R23) common junction is joined, resistance (R18), electric capacity (C9, C10, C11, C12) join with power cathode after the end parallel connection, the positive pole of the other end of resistance (R18) and diode (D8), integrated package (IC4) 9 pin join, the positive pole of the other end of electric capacity (C9) and diode (D9) joins, electric capacity (C10) other end and integrated package (IC4) 3 pin join, the other end of electric capacity (C11) and resistance (R23), the positive pole of diode (D13) joins, and connect 2 pin that the next stage alerting signal produces integrated package (IC5) in the circuit (8), the negative pole of the other end of electric capacity (C12) and diode (D13) joins, and connects on 1 pin of integrated package (IC5) in the next stage alerting signal generation circuit (8);

Alerting signal produces circuit (8) and is made up of integrated package (IC5), resistance (R24), the negative pole of 1 pin of integrated package (IC5) and upper class diode (D13) joins, the common point of the positive pole of 2 pin and upper class diode (D13), resistance (R23), electric capacity (C11) joins, 3 pin and resistance (R24) end joins, and aerotron (V7) the base knot in the alerting signal transmission circuit (9) of the other end of resistance (R24) and next stage joins;

Alerting signal transmission circuit (9) is by aerotron (V7, V8), electric capacity (C13, C14, C15, C16, C17, C18, C19, C20, C21), resistance (R25), inductance coil (L1, L2) form, aerotron (V7) base knot and electric capacity (C13, C14), join with the common point of upper class resistance (R24), the other end of electric capacity (C13), the emitter-base diode of aerotron (V7), one end of resistance (R25), negative pole with power supply after the emitter-base diode parallel connection of aerotron (V8) joins, the other end of electric capacity (C14) and inductance coil (L1), electric capacity (C15, C16) a end joins, the assembly of inductance coil (L1) other end and aerotron (V7) is joined, electric capacity (C15) other end with join with an end of electric capacity (C19) after an end of electric capacity (C16) is in parallel, the assembly of the other end of electric capacity (C19) and aerotron (V7), the common port of electric capacity (C20) joins, the base knot of the other end of electric capacity (C20) and aerotron (V8), the common port of resistance (R25) joins, the assembly of aerotron (V8) and electric capacity (C18), one common port of inductance coil (L2) joins, electric capacity (C18), emitting antenna (17) joins a bit joining on electric capacity (C21) other end and the inductance coil (L2) with electric capacity (C21).