CN2117289U

CN2117289U - Automobile remote antithievery apparatus

Info

Publication number: CN2117289U
Application number: CN92207138U
Authority: CN
Inventors: 李文辉
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-04-20
Filing date: 1992-04-20
Publication date: 1992-09-30

Abstract

The utility model provides an automobile remote anti-thievery apparatus, which mainly comprises a radio signal emitting part 9, a receiving part 2, a power supply 5 and an alarm. When someone wants to steal an automobile or peremptorily unlock the lock of an automobile, the alarm can emit deafening sound, which consequently acts the frightening action, simultaneously shutting off power supply and fuel immediately so as to achieve the anti-thievery purpose. A remote controller is also used in the automobile remote anti-thievery apparatus for acting the actions of remote starting, extinguishing, urgent sound-optics frightening, anti-thievery arrangement, anti-thievery release, etc. to automobiles. Consequently, the utility model is the anti-thievery apparatus of automobiles having the advantage of the integrated functions of a plurality of current single anti-thievery functions.

Description

Automobile remote antithievery apparatus

The utility model relates to the Car Burglar Alarm of a kind of Car Burglar Alarm, particularly self-propelled vehicle.

Existing anti-theft device for motor vehicle, often just on self-propelled vehicle a certain recesses one switch be installed cut off engine, self-propelled vehicle can't be started and reach antitheft purpose.But this anti-joyride device and method, the time loses antitheft effect once long being found easily.And when self-propelled vehicle be moved, by crane hang away, by master key open lock, when being started to drive away by the people, this simple and easy antitheft mode just can not play any antitheft having acted on.

The purpose of this utility model is to overcome the defective of above-mentioned existing anti-joyride device and mode, and a kind of remote control of motor vehicle Car Burglar Alarm is provided.

The technical solution of the utility model is:

Form by radio signal emission part, reception part, power supply, annunciator.

1. radio transmission partly is made up of encode circuit and projector, and encode circuit comprises password setting, button and password holder; Projector comprises that aerotron, inductance coil and adjustable capacitor constitute strophotron, and code signal is modulated in the radiowave, is launched by projector;

2. receive partly by the signal of function treatment circuit reception from vibration test circuit, decoding circuit and power-supply initial circuit, through the processing of rest-set flip-flop to decoded signal, export control signal, report to the police, reset and remote start, promote the self-propelled vehicle control linkage circuit of forming by buffer amplifier, light-emitting diode and relay.

The vibration test circuit is by piezoelectricity singing piece, aerotron Q and op amp OP ₂Form.

Two short-circuit lines of A, B are arranged, in order to change in the vibration-sensing circuit by aerotron Q ₁The coefficient of amplification of the amplifier of being formed.

Advantage of the present utility model is: when the burglar moves self-propelled vehicle or hangs away with crane, can sound the alarm at once, stop larceny; When the burglar opened lock with master key, the oil-break that can sound the alarm at once and cut off the power supply immediately made it and can't drive; Near self-propelled vehicle or when desiring to drive away self-propelled vehicle, available remote controller starts that siren horn sounds the alarm, light as the stranger, and remote control is flame-out, makes the burglar dare not steal car and maybe can't drive away, thereby reach antitheft purpose.

Description of drawings:

Fig. 1 ┈ the utility model block scheme

Fig. 2 ┈ the utility model power supply circuit figure

Fig. 3 ┈ the utility model power-supply initial circuit diagram

Three sections sensitivity vibration tests of Fig. 4 ┈ the utility model circuit diagram

The stepless sensitivity vibration test of Fig. 5 ┈ the utility model circuit diagram

Fig. 6 ┈ the utility model wireless receiving circuit figure

Fig. 7 ┈ the utility model decoding circuit figure

Fig. 8 ┈ the utility model function treatment circuit diagram

Fig. 9 ┈ the utility model self-propelled vehicle control linkage device circuit diagram

Figure 10 ┈ the utility model encode circuit figure

Figure 11 ┈ the utility model radio transmitter figure

Embodiment:

As shown in Figure 1: the utility model is made up of a main frame and a remote control transmitter.

Power supply circuit 1, wireless receiving circuit 2, decoding circuit 3, function treatment circuit 4, power-supply initial circuit 5, vibration test circuit 6, self-propelled vehicle control linkage device circuit 7, encode circuit 8, radio transmitter 9 are arranged among Fig. 1.

Power supply circuit 1 is as shown in Figure 2: mainly be made of integrated package of pressure-stabilizing, rectifier diode, electric capacity etc.The rectifier diode 12 motor-car battery B that meets sb. at the airport ⁺, rectifier diode 11 meets emergency battery SB ⁺When automotive battery destroyed and when outage, emergency battery SB ⁺Use for the Car Burglar Alarm circuit by rectifier diode 12 and after integrated package of pressure-stabilizing 10 voltage stabilizings.

Power-supply initial circuit 5 is as shown in Figure 3: mainly be made of shaping op amp, electric capacity, resistance, diode etc.When power supply opening ,+5V voltage forms differentiated waveform through electric capacity 13, resistance 14, again through 15 shapings of shaping op amp, respectively to reset

terminal

20,21,22,23, makes Car Burglar Alarm enter normal working through

diode

16,17,18,19.

Vibration test circuit 6 is as Fig. 4, shown in Figure 5:

Fig. 4 is three sections sensitivity vibration test circuit;

Fig. 5 is stepless sensitivity vibration test circuit.

With Fig. 4 is example: mainly be made of piezoelectricity singing piece, aerotron, comparator, short-circuit line etc.When piezoelectricity singing piece 24 was subjected to the external force vibrations, its lip-deep electron production changed, and aerotron 25 amplifies this small signal and deliver to the relatively end of comparator 28.When less than the comparison constant, the mouth S of comparator 28 ₁No positive pulse signal output; When greater than the comparison constant, the mouth S of comparator 28 ₁The output of one positive pulse signal is arranged.Short-

circuit line

26,27 is constantly the time, and the enlargement ratio of the amplifier that aerotron 25 is formed is for minimum; When cutting off short-circuit line 27, enlargement ratio is maximum, therefore reaches the function of three sections sensitivity adjustments.

Stepless sensitivity vibration test circuit 6 is as shown in Figure 5: compare with three sections sensitivity vibration test circuit shown in Figure 4, main difference is its sensitivity by the ratio decision of resistance 30 with adjustable resistance 29, and regulating adjustable resistance 29 just can stepless adjustment sensitivity.

Wireless receiving circuit 2 is as shown in Figure 6: mainly be made up of aerotron, amplifier, dresser, resistance, electric capacity etc.Aerotron 31 and peripheral element thereof are formed a super-regenerative receiver, receive wireless signal after resistance 32, electric capacity 33 filtering high frequency compositions, after the multiplying arrangement of amplifier 34 and peripheral element composition thereof amplifies, be input to waveform shaper 35 and be shaped as digital signal again, so that decoding.

Decoding circuit 3 is as shown in Figure 7: mainly cryptographic core memory device, password setting, resistance are made of.Password setting 40-1 to 40-8.The digital signal of wireless receiving circuit 2 outputs is sent decoded signal VT36-9, SOS 36-11, flame-out 36-12, security settings 36-13, remote start 36-10 after cryptographic core is to memory device 40 confirmation.

Function treatment circuit 4 as shown in Figure 8; Mainly constitute by binary pair.Handle decoded control signal VT, remote start, SOS, flame-out, security settings.

The VT signal connects the R end of rest-set flip-flop 37 through diode, connects 38,39,40 S input end of rest-set flip-flop.The S input end of rest-set flip-flop 37 is taken over control and is stolen that setting signal, vibration signal and burglar touch the self-propelled vehicle lock and the electric signal that produces.When antitheft setting signal is " height " during current potential, the vibration signal of vibration test circuit 6 outputs and burglar touch the self-propelled vehicle lock and the signal that produces to make the mouth of rest-set flip-flop 37 through resistance 37-1,37-2 be " height " current potential, generation " alarm signal "; When antitheft releasing/flame-out signal be " height " during current potential, make rest-set flip-flop 38 export " control signal stops working " of a positive pulse; When SOS is " height " during current potential, produce an alerting signal through diode 37-3; When the remote start signal is " height " during current potential, make rest-set flip-flop 40 outputs one " starting the motor vehicle engine signal ".

Self-propelled vehicle control linkage device circuit 7 is as shown in Figure 9: mainly be made up of buffer amplifier, relay, light-emitting diode.The signal of function treatment circuit 4 output after buffering is amplified 41--46 and handled, is driven relay 47--52, reach that the controlling machine motor-car is flame-out, the starting of remote control self-propelled vehicle, make the vehicle directional lamp bright, make alarming horm send functions such as the sound.

Encode circuit 8 is as shown in figure 10: mainly be made up of password setting, password holder and button.By password setting 53-1 to 53-8, password is stored up in the password holder 53.When pushing button 54 the time, to 53 power supplies of password holder, make encryption memory 53 work and transfer out code signal by diode 58.And the like,

push button

55,56,57, obtain the respective coding signal.

Radio transmitter 9 as shown in figure 11; Mainly form by aerotron, inductance, electric capacity.The code signal of encode circuit 8 outputs reaches in the wireless transmitter of being made up of aerotron 63,

inductance coil

61,62, adjustable capacitor 60, and is modulated in the radiowave through resistance 59, thereby reaches the function of emission remote signal.

When the burglar moved self-propelled vehicle or slings with crane, the piezoelectricity singing piece 24 of vibration test circuit 6 was subjected to the external force vibrations, produces electric signal, through amplify, relatively after, form a positive pulse and be input to function treatment circuit 4, send chimes of doom, to stop larceny; When the burglar opened lock with master key, lock produced an electric signal and enters the S input end of rest-set flip-flop 37 through resistance 37-2, produces an alerting signal, and oil-break immediately cuts off the power supply simultaneously; As the people near your self-propelled vehicle and when desiring to commit theft, can launch remote signal by the projector that encode circuit 8 and radio transmitter 9 are formed, receive through wireless receiving circuit 2, sending decoding circuit 4 decodings to enter function treatment circuit 4 again handles, and then make self-propelled vehicle control linkage device circuit 7 produce alerting signal and make indicator shinny, stop and steal row; When the people to be ready driving away your self-propelled vehicle, the signal that also available remote control transmitter transmitter trigger is flame-out by buffer amplifier 41,42 work of self-propelled vehicle control linkage circuit 7, gave the alarm and makes and cut the engine at last, makes and steals garage for cannoting succeed.

Claims

1, a kind of remote control of motor vehicle Car Burglar Alarm is made up of radio signal emission part, reception part, power supply, annunciator, it is characterized in that:

1) said radio transmission partly is made up of encode circuit and projector, wherein encode circuit comprises password setting 53-1 to 53-8, button 54 to 57 and password holder 53 are formed, projector is by aerotron 63, and inductance coil 61,62 and adjustable capacitor 60 form strophotrons, is modulated in the radiowave and through projector with code signal and launches;

2) the said signal that partly receives from vibration test circuit 6, decoding circuit 3 and power-supply initial circuit 5 that receives by function treatment circuit 4, processing through 37,38,39,40 pairs of decoded signals of rest-set flip-flop, output control signal, control are reported to the police, are resetted and remote start, promote the self-propelled vehicle control linkage device circuit of being made up of buffer amplifier 41 to 46, light-emitting diode and relay 47 to 52 7.

2, a kind of remote control of motor vehicle Car Burglar Alarm as claimed in claim 1, it is characterized in that: said vibration test circuit 6 is made up of piezoelectricity singing piece 24, aerotron 25 and comparator 28.

3, a kind of remote control of motor vehicle Car Burglar Alarm as claimed in claim 1 or 2 is characterized in that: short-circuit line 26,27 is arranged, in order to change the enlargement ratio of the amplifier of being made up of aerotron 25 in the vibration test circuit 6.