CN2144078Y

CN2144078Y - Remote anti-theft device for motor driven vehicle

Info

Publication number: CN2144078Y
Application number: CN92236220U
Authority: CN
Inventors: 李俊雄
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-10-16
Filing date: 1992-10-16
Publication date: 1993-10-20
Anticipated expiration: 2002-10-16

Abstract

The utility model discloses a remote control anti-theft device for motor vehicles, which utilizes the radio remote control technology; the emitter of a plurality of function buttons is arranged on a remote controller, and a receiver is arranged in a motor vehicle; the motor vehicle is made to automatically start, automatically stop and enter the anti-theft state or the mute anti-theft state; simultaneously, the interior of the anti-theft device of the receiver also has the shock warning function and the anti-theft function of abnormally starting vehicles. On the circuit design of the automatic start, for preventing dangers occurred easily by the vehicle being cut in a speed changing gear, an empty gear testing circuit is also arranged, and the vehicle can be started only when the speed changer is positioned at the empty gear. The remote anti-theft device for motor vehicles has complete functions and strong practicability.

Description

Remote anti-theft device for motor driven vehicle

The utility model relates to a kind of anti-theft device for motor vehicle, promptly except the self-propelled vehicle setting being had the anti-theft effect that vibrations are antitheft, mal starts, also be combined with a remote controller as multiple functions such as the automatic startup of automatic remote control, remote closing, anti-theft alarm, squelch anti-stealings, reach practical purpose.

Present Car Burglar Alarm is mostly at development of automobile, provides automobile remote-control to start, remote-control anti-theft and opening door of remote-control, multiple utility function such as close the door, however still not at the Car Burglar Alarm of general self-propelled vehicle use, make the safety of self-propelled vehicle not have any guarantee.

The purpose of this invention is to provide a kind of antitheft, the Remote Control Automatic startup of self-propelled vehicle use and device that other utility functions are formed specialized in, make self-propelled vehicle also have safety control and practical distant control function.

The utility model constitutes remote control equipment (RCE) with projector and receptor, it is characterized in that: each mouth of the demoder of receiving device is connected with Drive and Control Circuit through antitheft, a neutral gear test circuit, each mouth of this demoder is respectively squelch anti-stealing signal, remote-control anti-theft actuation signal, remote control start the engine signal and off signal, wherein the squelch anti-stealing signal is connected with the reception indicator signal of demoder via a logical gate, be connected on the siren horn by actuator, make that siren horn can produce the of short duration sound when pushing remote controller; Antitheft actuation signal also is to start the logical gate with time-delay structure, and the input end of this logical gate is connected to the vibrations sensor, and its mouth then is connected on the flame-out control signal; A neutral modulating signal drives the start-up control signal through a logical gate; Remote control start the engine signal is controlled the startup brake signal respectively via relay, Engine Start Signal and ignition control signal, cooperate a relay system that is connected to motor generator again, the contact of this relay system is serially connected in and starts on brake and the start the engine signal, behind the squelch anti-stealing signal enabling, can make the mute sound of siren horn, and call out the user via calling set, the ignition device of driving engine is pinned simultaneously, can't start, and reaches the effect of squelch anti-stealing.

Describe the utility model structure in detail below in conjunction with accompanying drawing.

Figure 1A and Figure 1B are respectively transmitter circuit figure of the present utility model and schematic appearance.

Fig. 2 is the schematic circuit diagram of receptor of the present utility model and controller.

The utility model is a kind of anti-joyride device of specializing in the self-propelled vehicle use, and has the remote control of motor vehicle startup structure of starter motor.Integral structure can be referring to the projector electrical schematic diagram of Figure 1A and the receptor driving circuit schematic diagram of Fig. 2.Referring to Fig. 1: 1 is projector, dial code switch 16 by cryptography device 15 and the finger that is mated and constitute password modulation mechanism, cooperate several function keys 11～14 to be input in the coder 15, adjust distinctive signal, through behind an emission tuned circuit 17 and the carrier frequency mixing to spatial emission, receive it for receptor.Switch 11～14 on the function key plate 18 can be provided with different functions, after receiving device receives, drives different driving circuits respectively by different output signals, reaches multiple remote control controllable function.Four function keys 11～14 of the present utility model can be designed to the remote closing self-propelled vehicle respectively, and remote control starter motor motor-car enters four kinds of functions of anti-theft state and squelch anti-stealing state, makes self-propelled vehicle have more good practical value.

Can be divided into receiving unit and control part two parts among Fig. 2.The former is made up of with demoder 23 acceptor circuit 21, amplifying circuit 22.After acceptor circuit 21 receives and transmits, eliminate carrier signal and make the harmonic ringing reduction by inside, and by amplifying circuit 22 do that signal amplifies and by demoder 23 the code signal of modulation and 25 comparisons of its password setting switch, whether conform to the test password, after test is errorless, just corresponding with the function key 11～14 of aforementioned projector by each mouth a, b, c, d.Like this, behind pressing function key 11～14, just can produce potential change, import through buffer in the controller of drawing below, realization various control function at cooresponding decoding mouth a～d.

Control part reaches the driving circuit of being made up of several relays 4 by test circuit 3 and is constituted.Wherein test circuit 3 is made of with the resistance capacitance delay network a plurality of NAND gate 31～33.The reception indicator signal G that is provided by demoder 23 receives just triggering output of signal at demoder, and this signal directly makes its action connection point 411 link to each other with siren horn via a relay 41.Whether in addition, the squelch anti-stealing signal A of demoder 23 is connected with reception indicator signal G, in the time of can pushing feeler switch in the receptor action or by projector, just can make siren horn send the of short duration sound, make the work of operator's energy detecting device normal.

Squelch anti-stealing signal A is connected with above-mentioned alarm relay 41 after NAND gate 36, like this, after remote control transmitter is pushed the squelch anti-stealing button, siren horn bonded assembly relay 41 can't be moved, and reaches quiet effect.Have only projector can receive alarm signal, disturb other people in order to avoid disturb by making noise.Squelch anti-stealing signal A also directly is connected with normal antitheft actuation signal B, so this squelch anti-stealing signal also can directly start anti-theft system.This is by vibrations sensor 35, two

NAND gate

31,32 are connected with flame-out control relay 42, and flame-out control relay 42 is except contact 421 actions of control ignition system, also with action connection point 422 synchronization actions that are connected to calling set (CALL), and this NAND gate 31 constitutes a delay loop with the RC resistance capacitance, like this, during when the car body vibration signal and by projector started by press anti-theft signal, be subjected under abnormal shock conditions at car body, can call out the loop through this, the operator is learned, do not allow simultaneously siren horn sounding on the car, the time of calling out is then adjusted length by variable resistance 34, and simultaneously, this loop also cuts off the ignition device of self-propelled vehicle, car can't be started, reach the effect of the antitheft alarm of vibrations.And after pushing projector releasing squelch anti-stealing function, can connect siren horn again, make siren horn send the alarm sound.Therefore, the utlity model has mute alarm and normal two kinds of functions alarming, select arbitrarily for the user.

Neutral signal end 37 is connected to starting relay 43 through another NAND gate 33; and the contact 431 of starting relay 43 is made as the safety protection switch of engine starting; be connected with Engine Start Signal 53; like this can be when self-propelled vehicle be in non-neutral gear position; driving engine can't start; reach and prevent that self-propelled vehicle from starting the phenomenon of causing danger easily when non-neutral gear position, have the safety guard-safeguard effect.

Another decoded output signal C of demoder 23 directly controls Engine Start Signal 53 respectively via relay 44 and several action connection points 441 thereof, and whether the connection of startup brake safety signal 54 and flame-out control line 52, reaches the purpose of remote control start the engine.In addition; also have a relay 45 to be connected with the electrical generator 55 of self-propelled vehicle; after can making electrical generator 55 produce electric power at motor vehicle starting; promptly cut off and start brake signal and Engine Start Signal by relay 45 actions; make the starter motor stall and the brake safety light is extinguished; realize to start finish after, starter motor was lost efficacy and protection purpose.

In a word, the utility model starts except having remote control, outside the function whether the remote-controlled test self-propelled vehicle works, also cooperate its drive configuration, make it to have concurrently the function that shakes antitheft and squelch anti-stealing, and, aspect Remote Control Automatic startup, increase neutral testing circuit and starter motor automatic switch-over circuit again, and reached realistic scale.

Claims

1, a kind of remote control of motor vehicle anti-joyride device, be to constitute remote control equipment (RCE) with projector and receptor, it is characterized in that: each mouth of the demoder of receiving device is antitheft through one, the neutral gear test circuit is connected with Drive and Control Circuit, each mouth of this demoder is respectively the squelch anti-stealing signal, the remote-control anti-theft actuation signal, remote control start the engine signal and off signal, wherein the squelch anti-stealing signal is connected with the reception indicator signal of demoder via a logical gate, be connected on the siren horn by actuator, make that siren horn can produce the of short duration sound when pushing remote controller; Antitheft actuation signal also is to start the logical gate with time-delay structure, and the input end of this logical gate is connected to the vibrations sensor, and its mouth then is connected on the flame-out control signal; A neutral modulating signal drives the start-up control signal through a logical gate; Remote control start the engine signal is controlled the startup brake signal respectively via relay, Engine Start Signal and ignition control signal, cooperate a relay system that is connected to motor generator again, the contact of this relay system is serially connected in and starts on brake and the start the engine signal, behind the squelch anti-stealing signal enabling, can make the mute sound of siren horn, and call out the user via calling set, the ignition device of driving engine is pinned simultaneously, can't start, and reaches the effect of squelch anti-stealing.