CN2193286Y - Radio calling remote-control anti-theft device for motor-vehicle - Google Patents

Abstract

The utility model relates to a radio calling type remote-control anti-theft device for motor vehicles, composed of an auxiliary machine and a main frame two parts. The auxiliary machine is composed of a coding circuit, an oscillation modulation circuit, a frequency multiplication power amplification circuit, a radio receiving circuit and a function conversion circuit. The main frame is composed of the radio receiving circuit, a decoding circuit, a testing circuit, an executive circuit, a radio transmitting circuit and the function conversion circuit. The utility model has the advantages of multiple functions, convenient operation, high safety and reliability, multiple coding, etc. The utility model can control and force extinguishing for a long distance, and the utility model can alarm by the radio calling type.

Description

Radio calling remote-control anti-theft device for motor-vehicle

The utility model belongs to a kind of antitheft alarm system that is used for the particular device of power actuated vehicle.

At present, the antitheft alarm system of same technology category is of a great variety, general antitheft alarm system is formed by projector and receptor two parts, projector is mainly by HF oscillation, coder and power supply are formed, keyboard-type or key button cipher remote control device structure, receptor is formed by amplifying binary pair, decoder, electronic switch, annunciator and power supply.

There is following drawback in this warning device mode: the one, and keyboard password group number is few, or the repeated code chance is many, and is easy to be destroyed and be decrypted; The 2nd, key button remote controller also often hangs over the self-propelled vehicle key during use.As plundered, remote controller is also taken away with car undoubtedly, and it is ineffective to make it whole warning device; The 3rd, function singleness.Only as anti-theft alarm, can't be implemented in and monitor after stolen, search, seek and force control device.

The purpose of this utility model is to provide a kind of all direction multifunctional, reliability height, can realizes the anti-misfortune of radio-paging formula remote control self-propelled vehicle, the anti-joyride device of the flame-out function of distance control pressure.

The anti-misfortune of this radio-paging formula remote control self-propelled vehicle, anti-joyride device comprise secondary machine and two parts of main frame, and secondary machine is mainly by encode circuit, oscillatory modulation circuit, frequency multiplication power amplifier, and wireless receiving circuit, function conversion circuit are formed.The input end control of encode circuit is good for A, B, C, D, is passed through the relay J of isolation diode D1-D4 controllable function change-over circuit, respectively in order to change by own coding IC1, T1-T3, the mode of operation of the coding that C8-C13, L5-L8 form, modulation, frequency multiplication power amplifier and the wireless receiving circuit of forming by IC2, T4, T5, Y, C29, L2 etc.; Main frame by dual gate FET T1-K122 and C13-C15, L1, L2R1, R2 form height put level with FM reception IC-TDA7010, put aerotron T2 in advance, Schmidt trigger IC6-CD40106 forms wireless receiving circuit, form testing circuit by IC1, YD, R21, R22, R11, R14 etc., form decoding, function conversion and executive circuit and form radio transmitter by IC5, T9-T11, R29, DW, C46, C48, L11 etc. by IC3, IC4, T4-T8, J2, J3 etc.

The utility model has following advantage compared to existing technology:

1, adopt the radio-paging formula to report to the police.During away from vehicle, stolen as vehicle owner, vehicle-mounted main frame is launched the radio-paging alerting signal in the locking engine circuit, is received by secondary machine and sends alerting signal, notifies owner.

2, the sound equipment of radio-paging is a language form, and alerting pattern is directly perceived.By changing the exterior resistor-capacitor unit value of language IC, can obtain Protean language tone, it is the vehicle (speaking as being familiar with the acquaintance because be familiar with the sound of own annunciator) of oneself that many warnings simultaneously also can be distinguished.

3, Jing Jie setting is all operated by the wireless remote control mode of special use volume, decoding IC encryption with releasing, and any parts are not stayed in the outside, and use is perfectly safe.The code set number reaches more than 100,000 groups, and it is extremely low to decode probability, reliable operation.

4, distinctive single relay double protection functions (this device adopt be relay J 1) is to guarantee that this device after suffering physical disturbance or cutting off the power supply, does not still lose its protective effect.

5, the high sensitivity of main frame receives and high-power emission coefficient, has guaranteed that ranging coverage of this device and usable floor area are enough big.

6, small and exquisite appearance of secondary machine (beeper formula) and wireless receiving and emission dual-use function make (be provided with on the secondary machine: warning is set, quiet warning is set, warning is removed, force flame-out key) extremely easy to use of this device.

7, description of drawings:

Fig. 1 is this later-model secondary machine circuit block diagram;

Fig. 2 is this novel host circuit block diagram;

Fig. 3 is this novel secondary machine circuit schematic diagram;

Fig. 4 is this novel host circuit schematic diagram;

Embodiment is further described in conjunction with the accompanying drawings:

See that Fig. 1 shows secondary machine circuit block diagram.Secondary machine is made up of encode circuit, oscillatory modulation circuit, frequency multiplication power amplifier and receptor, function conversion circuit; The code signal that encode circuit produces is delivered to oscillatory modulation circuit and is removed the modulated RF oscillator, modulated radiofrequency signal is delivered to the frequency multiplication power amplifier again and is carried out frequency multiplication and power gain, to improve working stability and to improve emissive power, launch at last, wireless receiver is finished by the FM reception integrated circuit, its output signal through power amplifier raise one's voice the part amplification, promote loud speaker and send the language alarm signal.The wireless receiving part is finished by function conversion circuit with the mode of operation of radiating portion.

See that Fig. 2 shows the host circuit block diagram.Main frame is formed by receiving a decoding scheme, testing circuit, executive circuit, radio transmitter and function conversion circuit.Receiving unit puts level by one by the one-level height and the FM reception integrated circuit is formed, and its reception is from the radiofrequency signal of secondary machine, and the command information that detects is wherein delivered to function conversion circuit, carries out the instruction of secondary machine.Detect electricity and pick up monitor signal, and deliver to executive circuit and carry out every protection action, and start radio transmitter, emission wireless alarm signal.The mode of operation of wireless receiving circuit and radio transmitter is finished by executive circuit and function conversion circuit.Executive circuit is carried out warning simultaneously and is set, removes and force functions such as flame-out.

The encode circuit of secondary machine and the decoding scheme of main frame complement one another.The working form of the wireless receiving system of secondary machine and the wireless transmitting system of main frame is identical with standard, the frequency of frequency and radiating portion and receiving unit.

Fig. 3 shows the schematic circuit diagram of secondary machine.Form encode circuit by IC1-MC145026 own coding IC etc.(or MC145030, VD5026, YN5103) IC1 has 5 address codes and 4 numeric data codes, has 9 control ends, and three kinds of states are arranged respectively.Address code and numeric data code are all participated in coding, and the code set number can reach more than 100,000 groups, so the repeated code chance is few, guarantees the reliable and safety that system works is used.The resistor-capacitor unit that 11,12,13 pin of IC1 are connect is clock oscillation element (a permissible error scope can reach ± 5%), 15 pin are the code signal mouth, the signal of its output is coupled to the oscillatory modulation circuit of being made up of T1 through C4, the radio frequency master-oscillator that T1, C8, C9, L5 etc. form, oscillation frequency is decided by the numerical value of C8, L5 and T1 junction capacitance.The modulation signals of IC1 output is added to the base stage of T1, cause the variation of its collector junction capacitance, thereby realize the purpose of modulating oscillation frequency, adopted frequency multiplier circuit after the master-oscillator, make circuit have good operation stability, frequency multiplier circuit also has the effect of the tuning amplification of power.FM signal is coupled to the not level power-amplifier stage that T3 etc. forms by L7, launches through antenna.

Receiving unit is made up of FM reception IC 2TDA7010 etc., (or TDA7000T, TDA7020T, MC3362, MC3363) its integrated level height, and volume is little, need not debug.The C29 that 5 pin are connect, the numerical values recited of L2 determine its receive frequency.11 pin are rf inputs, and 2 pin are to sign mouth frequently.T4, T5 form low discharging circuit, are amplified to and are enough to promote loud speaker Y will sign frequently output signal.Receive with the conversion of emission function and controlled by relay J, button A, B, C, D pass through the mode of operation of D1, D2, D3, D4 control relay J.

Fig. 4 is the schematic circuit diagram of main frame

For improving receiving sensitivity, increase ranging coverage, form height by double grid high frequency low noise field effect transistor T1-K122 etc. and put level, 11 pin (the IC2 principle of work is identical with the principle of work of secondary machine IC2) of IC2 are delivered in its output through C18, signing the frequency signal exports from 2 pin, through T2, deliver to input end 9 pin (IC4 is and the supporting decoding integrated circuit MC145027 of secondary machine coding integrated circuit MC145026) of IC4 after the amplification shaping of IC6CD40106, through repeatedly sign not Bian Ma be correctly after, send a positive pulse by 11 pin, a CP who delivers to the IC3CD4013 double D trigger holds 11 pin, export through isolation diode D6 from 13 pin after the shaping, R23 is added to the base stage of T7, make the T7 conducting drive relay J 3 loudspeaker are sent very brief one, prove successfully decoded.Simultaneously, the corresponding state of 6,7,9,10 pin of four data mouths 12,13,14,15, pin output and MC145026.12 pin of IC4 are that mouth is set in warning; when this end is high level; 5 pin of IC3 (the d type flip flop data are deposited end); it also is high level; if this moment is 3 pin CP-pulse input ends) when a positive pulse was arranged, 1 pin (Q-data output end) was just exported high level, and time-delay a period of time (this machine was designed to about 20 seconds); the high level of this end adds to the base stage of T6 and makes its conducting drive relay J 2 through D4, finishes function conversion such as flame-out, protection and radio alarming.13 pin of IC4 are quiet warning mouth, and when this end was high level, the base stage of T8 was a high level also, and to make its conducting, the base stage of T7 be low level and end.The high level of 13 pin is added to 5 pin of IC3 simultaneously to realize that with the same function of 12 pin of IC4, because T7 ends, relay J 3 is failure to actuate through D7, loudspeaker are noiseless, realize the purpose of quiet warning.14 pin of IC4 are set for warning and are removed end, and this brings out existing high level and makes the base stage conducting through the base stage that R26 adds to T5, and the base potential of T4 descends, and it is ended, the emitter no-output, IC1, IC2, IC3, IC4, IC6 lose power supply and quit work, and promptly remove warning.15 pin of IC4 are forced extinguish end for anti-the misfortune, and when this brought out existing high level, this high level added to the base stage of T6 and the base stage of T7 respectively through D12, D5, and made J2, J3, action, functions such as execution is flame-out, protection, radio alarming.This function only is subjected to the control of the 15 pin level of IC4, is not subjected to the influence of any factor, the pressure of the meaning function of stopping working.

Testing circuit mainly is made up of peripheral element such as IC1LM324 four high guaily unit integrated circuit.10 pin of LM324,12 pin are respectively the positive inputs of two amplifiers, and receive on terminal 1 and the terminal 2 by resistance R 21, R22, play the effect that detects ignition lock and draw alert starter motor.The output of 8 pin and 14 pin adds to the base stage of T3 through isolation diode D1 D2, and the output that the collecting electrode of T3 connects 6 pin (S end-set), 1 pin (Q end-output) of IC3 is carried out and reported to the police, the protection action.Form highly sensitive vibration sensor by YD piezoelectric ceramic piece and other two amplifiers etc.YD picks up atomic vibration signal, after the differential amplification of an amplifier is sent into another amplifier and is amplified from the output of 7 pin, to 3 pin (CP end-pulse input) of IC3, the work of the output of IC31 pin promotion warning circuit.

The wireless alarm system of main frame is subjected to relay J 2 controls, when main frame is reported to the police, and the J2 adhesive, JK2-2 transfers to logical by breaking, give transmission circuit with power supply.R29 is the dropping resistor of vibration, modulation circuit, and DW is a zener diode.IC5 is the language integrated circuit, and its output goes to modulate the frequency of the oscillating circuit of being made up of T11 through C49.FM signal is launched by aerial network through the T10 power gain.

The utilization of relay J 1 is the characteristic of this device, and its coil directly is connected to both ends of power, and normally closed contact JK1-2 is series on the contact of JK2-3, if the main frame outage, the normally closed point of JK1-2 disconnects, and cuts off ignition circuit.The open contact JK1-2 of J1 and JK2-4 contact are connected on the platinum swing arm, after the power supply of main frame is cut off, and the J1 dead electricity, the JK1-2 connection of often making war, platinum swing arm bonding, igniting system does not produce high pressure, and engine can't start.Relay J 1 plays double protection.

The function of radio calling remote-control vehicle alarm all operates by the wireless remote control mode through special use volume, decoder ic encryption. The highly sensitive wireless receiving system of main frame and powerful wireless transmitting system can guarantee that this device has bigger operating distance and usable floor area. Main frame can be installed in any position of car, and energising i.e. normal operation. All functions are by the slave straighforward operation, and when pressing the arbitrary key on the slave, main frame all sends very brief one, and the expression operation effectively. When this device was set at the state of alert, as long as car load is subjected to little collision or attempts ignition trigger, main frame locked immediately the engine start circuit and controls simultaneously that warning circuit sounds the alarm and wireless alarm signal. Slave is received wireless alarm signal simultaneously. The warning of silent mode is noiseless, and just radio transmitter is launched alarm signal. Such as robbery, can allow at leisure the ruffian that car is driven away, with the safety of guarantor's body, car away from the time, click the flame-out key of pressure of carry-on slave after, car load can be in warning, guard mode immediately, has guaranteed again the safety of vehicle. Needing each set-up function of releasing only need click the releasing key gets final product.

Claims (6)

1, the anti-misfortune of radio-paging formula remote control self-propelled vehicle, anti-joyride device comprise secondary machine and main frame two parts, and secondary machine part is made up of encode circuit, oscillatory modulation circuit, frequency multiplication power amplifier, wireless receiving circuit, function conversion circuit; Host machine part is made up of wireless receiving circuit, decoding scheme, testing circuit, executive circuit, radio transmitter and function conversion circuit, it is characterized in that:

Input end control key A, B, C, the D of secondary machine encode circuit, by the relay J 1 of isolation diode D1-D4 controllable function change-over circuit, the mode of operation of the coding of forming in order to conversion IC 1, T1-T3, C8-C13, L5-L8, modulation, frequency multiplication power amplifier and the wireless receiving circuit of forming by IC2, T4, T5, Y, C29, L2 etc.;

Main frame by dual gate FET T1-K122 and C13, C14, C15, L1, L2, form height put the level and FM reception, form testing circuit by IC1, YD, R11, R14, R21, R22 etc., form decoding, function conversion and executive circuit and form radio transmitter by IC5, T9-T11, R29, DW, C46, C48, L11 etc. by IC3, IC4, T4-T8, J2, J3 etc.

2, by the anti-misfortune of the described radio-paging formula of claim 1 remote control self-propelled vehicle, anti-joyride device, when 6,7,9,10 pin that it is characterized in that secondary machine coding integrated circuit MC145026 are data terminal, utilize the high level of its end to come control relay J, do the function switching motion.

3, by the anti-misfortune of the described radio-paging formula of claim 1 remote control self-propelled vehicle, anti-joyride device, it is characterized in that secondary machine transmission circuit, form the radio frequency master-oscillator by T1, C8, C9, L5, R3, its output is incorporated into the frequency multiplication power amplifier level be made up of T2, T3, C11, L6-L8, C13, launches to antenna through C15, L9 through C10.

4, by the anti-misfortune of the described radio-paging formula of claim 1 remote control self-propelled vehicle, anti-joyride device, it is characterized in that the main frame decoding scheme adopts the special digital decoding IC-MC145027 that mates with secondary machine coding IC, its 4 data mouths, the signal of output is delivered to executive circuit and function conversion circuit respectively.

5, by the anti-misfortune of the described radio-paging formula of claim 1 remote control self-propelled vehicle, anti-joyride device, it is characterized in that the main frame testing circuit is made up of IC1 four high guaily unit LM324, piezoelectric ceramic piece YD, R11-R14, R21, R22, R28, R39, the output of amplifier IC1 is delivered to the function conversion circuit of being made up of peripheral element such as double D trigger IC3--CD4013 through phase inverter T3.

6, by the anti-misfortune of the described radio-paging formula of claim 1 remote control self-propelled vehicle, anti-joyride device, it is characterized in that the function of main frame executive circuit is finished by relay J 2, J3, T6-T8, R23-R25 form the promotion circuit of relay J 2, J3.

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