CN2160020Y - Remote control puzzle electronic ignition switch for motor vehicle - Google Patents

Abstract

The utility model belongs to an electronic remote-control ignition switch. The utility model mainly comprises an encoder, a self-excited oscillator, a super regeneration receiver, a decoder, a trigger, a controlled oscillator and an ignition circuit. Encoding signals which are received by the super regeneration receiver are divided into three ways to output after the encoding signals are decoded by the decoder. One way is connected with an R 25, makes a load relay J 1 attract through a BG 8, and drives a motor to start; the other way is connected with the feet of the control end IC 6 <4>of the controlled oscillator, and generates the charging voltage through a BG 7 and a voltage increase transformer B; another way is connected with a phase inverter through a C15, a D 4 and a D 5, is connected with the input ends IC 5 <2>, <6> of the trigger through the phase inverter, the output end of the trigger is connected with the control electrode of the control end SCR 1 of the ignition circuit, and an ignition operation is controlled and is finished.

Description

Remote control puzzle electronic ignition switch for motor vehicle

The utility model belongs to automobile-use remote control electric ignition switch, particularly with the electronic ignition switch of cipher lock and controllable electric power.

It is antitheft that traditional ignition switch adopts the bullet lock of the pellet shot from a slingshot combination of several different lengths to realize mostly, uses wearing and tearing to lose anti-theft capability for a long time, also contact bad connection mechanical failure can take place sometimes and can not connect power supply.Under the situation of not wearing and tearing, the method for available wire short circuit contact is piloted engine.Occurred a kind of " motor vehicle antitheft device " this device at present again and only the power line of firing circuit has been connected in series with the anti-theft switch control end, still can one end of spark coil and the way of positive source short circuit have been piloted engine with lead.

The purpose of this utility model is to propose a kind of automobile-use remote control password electronic ignition switch.

The utility model is to realize like this.It mainly comprises encoder, self-excited oscillator, super-regenerative receiver, amplification and rectification circuit, decoder, trigger, controlled oscillator and firing circuit.Utilize encoder to produce a code signal and remove to modulate a self-excited oscillator, the modulated carriers that its vibration produces is to external radiation, receive this signal with super-regenerative receiver, after amplifying shaping, deliver to decoder, when the encoding and decoding that presets is identical, decoder output high level, deliver to by the time base integrated package trigger control end formed.At this moment, the code signal through amplifying shaping makes the trigger set, 1 end output high level, and this level divides three the tunnel, the one road to controlled oscillator, makes the oscillator starting of oscillation, by boosting transformer igniting electric capacity is charged; One the tunnel makes the load-relay adhesive, drives the motor relay adhesive; One the road delivers to firing circuit, finishes ignition operation.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 the utility model skeleton diagram.Wherein, encoder 1, self-excited oscillator 2, Armstrong circuit 3, amplification and rectification circuit 4, controllable electric power 5, decoder 6, phase inverter 7, trigger 8, firing circuit 9, controlled oscillator 10, load-relay J1.

Fig. 2 has the firing circuit schematic diagram now.

One of Fig. 3 the utility model electrical schematic diagram (radiating portion).

Two (receiving parts) of Fig. 4 the utility model electrical schematic diagram.

The relevant parts connection diagram of Fig. 5 the utility model with Motor Vehicle.

Fig. 6 the utility model radiating portion outline drawing.

Fig. 7 the utility model receiving part outline drawing.

The utility model is made of encoder, self-excited oscillator, Armstrong circuit, amplification and rectification circuit, controllable electric power, decoder, phase inverter, controlled oscillator and firing circuit, and wherein encoder is made up of coding integrated package IC1 and timing resistor R2; Decoder is made up of decoding integrated package IC4 and timing resistor R14.

Coding integrated package IC1, decoding integrated package IC4 the

Pin be power supply just, 9. pin is a power-, 1. pin is a common terminal, Connect timing resistor between the pin, IC1

Pin is output terminal, IC1

Pin is a control end, IC4

Pin is an input end, and all the other pin are coding side, but their ground connection connect 1. or unsettled or connect power supply just all can, to the different Placements difference of then encoding, be 23414213323 by connection code signal (serial code) shown in Figure 3.

Self-excited oscillator is made up of L1, L2, C1, C2, C3, BG1, R1, R3 and R4, is a typical application circuit.Oscillation frequency determines that by L2, C2, C3 L2 is the toroidal inductor that is printed on the circuit version, and L1 is the colour coding inductance, and R1, R3 are the biasing resistors of BG1.When encoder work, outupt coded signal adds on the BG1 base stage through R1, R3, and BG1 then produces to extraradial modulated carriers signal.

In fact Armstrong circuit gets the receiving part of superregenerative receiver, is made up of its R5～R10, C4～C10, D2, L3 and BG2, and receive frequency determines that by L3, C6, C7 wherein L3 is the toroidal inductor that is printed on the circuit version.Demodulate code signal and be coupled to amplification and rectification circuit through C10.

Amplification and rectification circuit is made up of R11～R13, C12, C13, BG3, IC2 and IC3, and IC2 is the operational amplifier integrated package, and the base integrated package played shaping operation at this when IC3 was.

Firing circuit is to improve (former firing circuit is seen Fig. 2) on existing electronic ignition circuit basis.The concrete change is to increase an isolating diode D11 and a controllable silicon SCR1 between charge and discharge capacitance C20 and spark coil DXQ, and B charges to C20 by SCR1 control boosting transformer, is a controlled charging loop (referring to Fig. 4).Charging process is to finish through B, D10, C20, SCR1.Discharge igniting is that circuit breaker platinum contact BJ disconnects, and power supply provides Continuity signal through R21, D12, R24, C21, R23 and R22, and the SCR2 conducting makes C20 form the discharge loop to spark coil DXQ through SCR2, finishes igniting process one time.

In order to guarantee that capacitor C 20 is reliably charged, designed controlled oscillator, the voltage of being exported by its charges to C20 through boosting transformer.Controlled oscillator is made up of time base integrated package IC6, R16, R17, C17, BG7, when IC6 reset terminal the when 4. pin is low level, and failure of oscillation.As IC6 when 4. pin is high level, starting of oscillation, oscillation frequency is determined by R16, C17.In this example, Frequency Design is at 400Hz.

Phase inverter is made up of transistor BG4 and load resistance R15; Trigger is made up of time base integrated package IC5, D6 and R26.

Controllable electric power is made up of transistor BG5, BG6, base resistance R18, R19 and the integrated IC7 of voltage stabilizing.The control end of controllable electric power, the end of base resistance R18 connects commutation diode D7, filter capacitor C18 and input diode D8; The base stage of another termination switching tube BG5 of R18, its grounded-emitter connection, collector electrode links to each other with the BG6 base stage through BG6 base resistance R19, and power supply is just connecing the BG6 emitter, and collector electrode and integrated package of pressure-stabilizing IC7 input end 1. pin are connected, and IC7 output terminal 3. pin connects the IC4 power end

Pin, IC5 be 8. pin and voltage is provided for the SCR2 of firing circuit and to Armstrong circuit, amplification and rectification circuit power supply through resistance R 21 of pin, IC6 8..

Referring to Fig. 5, among the utility model embodiment,, be to connect by 6 core plug seats as connections such as spark coil, boosting transformer, relay, circuit breaker platinum contacts with the connection of the relevant parts of Motor Vehicle.

Working procedure state chat as follows:

Press motor starting button AN, power supply is connected to controllable electric power control end R18 through receptacle contact CZ2-5 plug connector CT2-5 and D8,5 volts of voltages of IC7 output this moment are delivered to the power end of Armstrong circuit, amplification and rectification circuit, decoder, phase inverter, trigger, controlled oscillator, make the work of the utility model electronic ignition switch.At this moment, if sending part divide to send code signal, receiving circuit is received code signal, and this code signal divides three the tunnel, the one tunnel to add to the controllable electric power control end through C19, D7.Make the IC7 output voltage continue to keep; One the tunnel adds to decoder IC4 Pin, when Code And Decode is identical,

Pin is exported high level, adds to the control end of trigger IC5; One the tunnel through C15 by phase inverter add to trigger IC5 input end 2., 6. pin.3. pin output high level of IC5 this moment, this level divide three the tunnel, the one tunnel to add to the BG8 base stage through R25, D13, the BG8 conducting, and relay J 1 adhesive, contact J1-1 closure makes motor relay J2 adhesive, the J2-1 closure, motor is started; One the tunnel adds to 4. pin of controlled oscillator IC6 control end, makes its starting of oscillation, and the output terminal of IC6 3. pin amplifies by R17 and transistor BG7, delivers to boosting transformer B, in order to charge to C20; One the tunnel adds to controllable silicon SCR 1 through R20 controls the utmost point, makes the SCR1 conducting, and about 200 volts the Ac that boosting transformer B produces charges to C20 by D10, SCR1.During igniting, circuit breaker platinum contact disconnects, and supply voltage adds to the controllable silicon SCR 2 control utmost points through R21, D12, R24, C26, R23 and R22, and the SCR2 conducting makes C20 form the discharge loop to spark coil DXQ through SCR2, finishes ignition operation.

In sum, the utility model automobile-use remote control password electronic ignition switch, comprise self-excited oscillator, super-regenerative receiver, firing circuit, it is characterized in that also comprising encoder, amplification and rectification circuit, decoder, phase inverter, trigger and controlled oscillator, wherein the O pin of the output terminal IC1 of encoder is connected with self-excited oscillator biasing resistor R1; The super-regenerative receiver output terminals A is connected with amplification and rectification circuit input resistance R9, its output terminal IC3 3. pin divides three the tunnel, one the tunnel connects capacitor C 19, the other end of C19 connects diode D7 and D9, the other end ground connection of D9, the other end of D7 is connected the other end ground connection of C18 with filter capacitor and controllable power switch pipe BG5 base resistance R18; One the tunnel with decoder input end IC4

Pin connects, decoder output terminal IC4's By diode D3 and trigger control end IC5 4. pin be connected; Another road connects capacitor C 15, and the other end of C15 connects the other end ground connection of commutation diode D4, D5, D5, and the other end of D4 is connected with the base stage of phase inverter BG4, and the collector electrode of BG4 and trigger input end IC5 are 2., 6. pin is connected; The output terminal IC5 of trigger 3. pin links to each other with diode D6, and the other end of D6 and IC5 4. pin are connected the other end ground connection of R26 with resistance R 26; The 3. pin of IC5 also with the controlled oscillator control end, IC6 4. pin connects, its output terminal IC6 3. pin through resistance R 16 with 2., 6. be connected with capacitor C 17, the other end ground connection of C17, IC6 3. pin is connected by the base stage of resistance R 17 with the pipe BG7 that boosts, the grounded-emitter connection of BG7, the collector electrode of BG7 is connected with CT1, is connected with boosting transformer B primary air by CZ1; IC5 3. pin also is connected with resistance R 25, and the other end of R25 is connected with diode D13, the base stage of another termination of D13 BG8, the grounded-emitter connection of BG8, the collector electrode of BG8 is connected with CT3, is connected with D14 with load-relay J1 by CZ3, and another termination power of J1, D14 just; IC5 3. pin also is connected with resistance R 20, and the other end of R20 is connected with the control utmost point of SCR1; Three tie point E, F of firing circuit, G are connected with CT2-2, CT2-3, CT2-4 respectively, are connected with boosting transformer B secondary winding, spark coil DXQ and circuit breaker platinum contact BJ respectively by CZ2-2, CZ2-3, CZ2-4; The input end of controllable electric power is connected with CT2-1, just joins 3. pin and the IC4 of controllable electric power output end of pressure-stabilizing IC7 by CZ2-1 and power supply

Pin, IC5 8. pin, IC6 8. pin, super-regenerative receiver, amplification and rectification circuit power supply link to each other, IC7 3. pin also is connected with resistance R 21, the other end of R21 is connected with CT2-4 with firing circuit tie point G.

The advantage of automobile-use remote control password electronic ignition switch of the present utility model is: a remote control, two has the password that encoder constitutes, three controllable electric powers, during no remote control coding signal, this electric firing lock is disconnected power supply, when the remote control coding signal is arranged, just connect power supply, when having only encoding and decoding identical, just can finish ignition operation.Maintain secrecy, theftproof performance is good.

The utility model can extensively substitute the bullet lock switch of existing Motor Vehicle.

The reference numeral explanation:

Integrated circuit block IC; Transistor BG;

Ignition coil DXQ; Controllable silicon SCR;

Step-up transformer B; Spark plug HHS;

Motor relay MDJ; Starter motor MD;

Starting button AN; K switch;

Plug CT; Socket CZ;

Circuit breaker platinum contact BJ; Storage batteries D C.

Components and parts among the embodiment:

Coding integrated package IC1 YYH26;

Decoding integrated package IC4 YYH28;

Operational amplifier IC2 μ A741;

Integrated package of pressure-stabilizing IC7 7805;

Controllable silicon SCR 1 BT169;

Controllable silicon SCR 2 CR3AM;

Time base integrated package IC3, IC5, IC6 EN555.

Claims (1)

1, automobile-use remote control password electronic ignition switch, comprise self-excited oscillator, super-regenerative receiver, firing circuit, it is characterized in that: also comprise encoder, amplification and rectification circuit, decoder, phase inverter, trigger and controlled oscillator, wherein the output terminal IC1 of encoder

Pin is connected with self-excited oscillator biasing resistor R1; The super-regenerative receiver output terminals A is connected with amplification and rectification circuit input resistance R9, its output terminal IC3 3. pin divides three the tunnel, one the tunnel connects capacitor C 19, the other end of C19 connects diode D7 and D9, the other end ground connection of D9, the other end of D7 is connected the other end ground connection of C18 with filter capacitor and controllable power switch pipe BG5 base resistance R18; One the tunnel with decoder input end IC ₄

Pin connects, decoder output terminal IC ₄

By diode D3 and trigger control end IC5 4. pin be connected; Another road connects capacitor C 15, and the other end of C15 connects commutation diode D4, D5, the other end ground connection of D5, and the other end of D4 is connected with the base stage of phase inverter BG4, and the collector electrode of BG4 and trigger input end IC5 are 2., 6. pin is connected; The output terminal IC5 of trigger 3. pin links to each other with diode D6, and the other end of D6 and IC5 4. pin are connected the other end ground connection of R26 with resistance R 26; The 3. pin of IC5 also with the controlled oscillator control end, IC6 4. pin connects, its output terminal IC6 3. pin through resistance R 16 with 2., 6. be connected with capacitor C 17, the other end ground connection of C17, IC6 3. pin is connected by the base stage of resistance R 17 with the pipe BG7 that boosts, the grounded-emitter connection of BG7, the collector electrode of BG7 is connected with CT1, is connected with boosting transformer B primary air by CZ1; IC5 3. pin also is connected with resistance R 25, and the other end of R25 is connected with diode D13, the base stage of another termination of D13 BG8, the grounded-emitter connection of BG8, the collector electrode of BG8 is connected with CT3, is connected with D14 with load-relay J1 by CZ3, and another termination power of J1, D14 just; IC5 3. pin also is connected with resistance R 20, and the other end of R20 is connected with the control utmost point of SCR1; Three tie point E, F of firing circuit, G are connected with CT2-2, CT2-3, CT2-4 respectively, are connected with boosting transformer B secondary winding, spark coil DXQ and circuit breaker platinum contact BJ respectively by CZ2-2, CZ2-3, CZ2-4; The input end of controllable electric power is connected with CT2-1, just joins 3. pin and the IC4 of controllable electric power output end of pressure-stabilizing IC7 by CZ2-1 and power supply

Pin, IC5 8. pin, IC6 8. pin, super-regenerative receiver, amplification and rectification circuit power supply link to each other, IC7 3. pin also is connected with resistance R 21, the other end of R21 is connected with CT2-4 with firing circuit tie point G.

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