CN2202190Y

CN2202190Y - Motor speed tracking electronic igniter

Info

Publication number: CN2202190Y
Application number: CN 94227060
Authority: CN
Inventors: 杨兆余
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-01-15
Filing date: 1994-01-15
Publication date: 1995-06-28
Anticipated expiration: 2004-01-15

Abstract

The utility model relates to a motor speed tracking type electronic igniter, comprising a motor synchronizing signal source, an ignition angle controller, a high voltage generator, a pulse generating oscillator, a multiple sparks controller, and a regulated power supply. The utility model has the characteristics of quick and reliable ignition, sufficient combustion, convenient installation and use, low cost, less electricity consumption, etc.; the utility model is ignited by low voltage, high current and multiple sparks, and ignition intensity is enhanced by more than 1.5 times; an ignition angle is tracked and controlled by an electronic synchronous signal, an optimum ignition angle can be achieved under various rotational speeds, the pollution of waste discharge is reduced, and fuel oil is saved by at least 15%. The utility model is suitable for installing on cars to match with a platinum igniter.

Description

Motor speed tracking electronic igniter

The utility model relates to a kind of ignition mechanism of internal-combustion engine, particularly a kind of electronic ignition device.

The platinum ignition mechanism that present domestic automobile generally adopts, what ignition advance angle adopted is that machinery gets rid of the piece formula, usually occurs the platinum ablated surface in the use and bad connection, is weakened causing spark intensity to weaken by conductive capability, the reliability of influence igniting; The wearing and tearing in use of cam and bakelite cause the deviation (lag or lead) of firing time; Machinery gets rid of piece can not satisfy optimum ignition angle under any rotating speed state, be not easy to reach the best fit state.Therefore, not only output power reduces, and increases fuel consumption, has not only wasted oil but also befouling environment, and returning the work of driving, repair increases trouble.The external thyristor controlled ignition of a kind of employing, the control of its firing time can not be satisfied optimum ignition angle.Homemade ignition, the power consumption height that has, the installation, maintenance inconvenience that has.

The purpose of this utility model is to overcome the above-mentioned shortcoming of prior art, a kind of engine speed tracking type ignition is provided, be used with the platinum ignition mechanism of former automobile, adopt low voltage, big electric current, mulitple ignition, use the ECI Electronic Controlled Ignition angle, make the function of time of its igniting consistent, under any rotating speed, can both reach best ignition angle, maximum output power with the function of time of oil firing, save fuel oil, reduce cost.The suitable platinum ignition mechanism that is contained on the various automobiles with former automobile is used.

The utility model is achieved in that by motor source of synchronising signal, ignition angle controller, high-pressure generator, pulsing oscillator, many sparks controller and stabilized power supply and constitutes.The motor source of synchronising signal is by being contained in coil on the engine output shaft and permanent magnet and forming with the rectifier bridge that diode is formed, its basic parameter is: when single cylinder two-stroke motor and twin-tub four stroke engine, motor revolution one is transmitted and is given birth to a sine wave, adopts the one way rectifier bridge; When the four cylinder four-stroke motor, motor is whenever goed around, and a sine wave takes place, and adopts full-wave rectification bridge; When six cylinder four-stroke motors, motor revolution two changes, and three sine waves take place, and adopts full-wave rectification bridge; When single-cylinder four-stroke engine, motor revolution two changes, and a sine wave takes place, and adopts the one way rectifier bridge.Ignition angle controller (seeing Fig. 2, Fig. 3) is made up of triode BG1, BG3, BG5, single-transistor BG2, controllable silicon SCR, voltage comparator A1, A2, A3, diode D1, D2, D4, reference diode D11, D12, potentiometer W1, W2, W3, resistance R 1-R11, R16-R23, capacitor C 1, C6, C7.Selecting for use two integrated package LM358 to form four voltage comparator A1 and A2, A3 and A4(respectively can any two voltage comparators form with a LM358 line).The rectification output polar of the end of the emitter of BG1 and R1 and sending and receiving motivation source of synchronising signal (among Fig. 3 5.).On the base stage of BG1 and connect the end of R21 and C6, the other end of R21 and C6 is connected to the collector electrode of BG5.The end of another termination W1 of R1, the other end of W1 also connects the positive pole of D1, the end of C1, the end of W2 and the e utmost point of BG2, and the negative pole of D1 also connects the anode of SCR and the negative pole of D4, the minus earth of SCR, the other end ground connection of C1 is connected to the collector electrode of BG1 behind the other end of the W2 serial connection R2.2. the b2 utmost point of BG2 connects among the pin 3(Fig. 3 of the ic chip 1 in the stabilized power supply), the b1 utmost point of BG2 also connects the control grid of SCR and the end of R3, the other end ground connection of R3.The positive pole of D4 and the pin of A2 5 also connect the emitter (among Fig. 3 4.) of BG3.The pin 1 of A1 connects the base stage of BG3.The pin 2 of A1 also meets R4 and the end of R5, among pin 3(Fig. 3 of another termination ic chip 1 of R4 2.), the other end ground connection of R5.The pin 3 of A1 connects the end of R7, and the end of the other end of R7 and R18 is connected to the emitter of BG1.The end of R6 and the negative pole of D11 are connected to the pin 3 of A1, the other end ground connection of R6, the plus earth of D11.The pin 3 of another termination A3 of R18.The collector electrode of BG3 connects the end of R8, among pin 3(Fig. 3 of another termination ic chip 1 of R8 2.).The end of R9 also connects the emitter of BG3 and the pin 5 of A2, the other end ground connection of R9, the end of R10, R11 also connects the pin 6 of A2, among pin 3(Fig. 3 of another termination ic chip 1 of R10 2.), the other end ground connection of R11.The pin 7 of A2 connects the positive pole of D2, and the negative pole of D2 connects the negative pole of D7 (among Fig. 3 3.), and 2. the pin 8 of A2 connects among pin 3(Fig. 3 of ic chip 1), pin 4 ground connection of A2.The end of R16, R17 also connects the pin 2 of A3, among pin 3(Fig. 3 of another termination ic chip 1 of R16 2.), the other end ground connection of R17.The end of R19 and the negative pole of D12 are connected to the pin 3 of A3, ground connection behind the other end serial connection W3 of R19, the plus earth of D12.The pin 1 of A3 and the end of R20 are connected to the base stage of BG5, the other end ground connection of R20.The emitter of BG5 also connects the end of C7, R22, R23, the other end ground connection of C7 and R23, among pin 3(Fig. 3 of another termination ic chip 1 of R22 2.).To control its function by the ignition angle controller consistent with the function of time of oil firing firing time, adjusts W2 and can change ignition angle.High-pressure generator is made up of the spark coil and the spark plug of triode BG4, BG6, resistance R 12-R15, capacitor C 2, C5 and former platinum ignition mechanism.The end of R12, R13, C2 is connected to the negative pole (among Fig. 4 3.) of D2, the other end ground connection of R12, and the other end of R13 and C2 is connected to the base stage of BG4.The grounded-emitter connection of BG4.The collector electrode of BG4 also connects the end of R14, R13 and C5, meets+the 12V DC electrical source (among Fig. 4 1.) behind the other end of R14 and the emitter junction of the BG6 fire switch, and the other end of R15 and C5 is connected to the base stage of BG6.A line of the primary air of the collector contact fire coil of BG6, it is the buttock line ground connection of head coil just, a line ground connection of secondary winding, the buttock line of secondary winding connects the anode of spark plug, the minus earth of spark plug.The pulsing oscillator is formed (see figure 5) by ic chip 3, diode D9, resistance R 29, R30, capacitor C 9.Pin 1 ground connection of IC3, pin 2 and pin 6 also connect the end of negative pole, R29 and the C9 of D9, the other end ground connection of C9, the end of the positive pole of D9 and the other end of R29 and R30 is connected to the pin 7 of IC3.The pin 3 of IC3 connects the pin 5 of ic chip 4, and the pin 8 of IC3 and the other end of R30 are connected to the pin 3 of ic chip 2.The about 4000HZ of oscillation frequency just works when connecting the motor starting power supply.Many sparks controller is formed (see figure 5) by ic chip 4, voltage comparator A4, diode D5-D8, resistance R 24-R28, capacitor C 8.4. the pin 5(that the positive pole of D5, D6 is connected to A2 sees among Fig. 3 and Fig. 5).The end of the negative pole of D5 and D8 and R26 is connected to the pin 6 of A4, connects the pin 5 of A4 behind the negative pole serial connection R28 of D6.2. the pin 3(that the end of R24 and the pin 8 of A4 connect ic chip 1 sees among Fig. 4, Fig. 5), pin 4 ground connection of A4, the other end of R24 also connects the positive pole of D8 and the end of R25, the other end ground connection of R25, R26.The end of R27 and C8 is connected to the pin 5 of A4, the other end ground connection of R27 and C8.The pin 7 of A4 connects the pin 1 of IC4, pin 2 ground connection of IC4, and the pin 4 of IC4 connects the positive pole of D7, and the negative pole of D7 connects the negative pole of D2 (see among Fig. 3, Fig. 5 3.).Stabilized power supply comprise stabilized power supply 1. with stabilized power supply 2..1. stabilized power supply forms (see figure 4) by ic chip 1, diode D3, capacitor C 3, C4.Connect+the 12V power supply (see among Fig. 4 1.) behind the positive contact of the D3 fire switch, the end of the negative pole of D3 and C4 is connected to the pin 1 of IC1.The pin 3 of the termination IC1 of C3, the other end ground connection of C3, C4, pin 2 ground connection of IC1.It supplies with igniting angle controller, high-pressure generator, many sparks controller 6V D.C. regulated power supply.2. stabilized power supply forms (see figure 5) by ic chip 2, diode D10, capacitor C 10, C11.The positive pole of D10 connects after connecing motor start switch+the 12V power supply, and the end of the negative pole of D10 and C11 is connected to the pin 1 of IC2, the pin 3 of the termination IC2 of C10, the other end ground connection of C10, C11, pin 2 ground connection of IC2.Many sparks positive ignition when realizing engine start, behind the engine start, the motor starting power supply is blocked, and the pulsing oscillator quits work, and many sparks disappear, and the other parts of circuit are followed the tracks of igniting automatically.

The utility model has following characteristics compared to existing technology: 1) the platinum ignition mechanism with former automobile is used, and is easy to install, do not change the distribution wire of former automobile, with low cost; 2) adopt low voltage, big electric current, many sparks (continuous spark more than 10) igniting, spark intensity is higher than more than 1.5 times of platinum point fire intensity, though under stewing oil of spark plug or cold car state also ignition trigger (in 3 seconds) rapidly; 3) follow the tracks of the control ignition angle synchronously with electronics, make the function of time of its igniting consistent with the function of time of oil firing, can both reach best ignition angle, maximum output power under various rotating speeds, oil firing is abundant, reduce waste discharge and pollute, save fuel oil 〉=15%; 4) power consumption is low.The suitable platinum ignition mechanism that is contained on the various automobiles with former automobile is used.

The utility model further describes below with reference to the embodiment in the accompanying drawing:

Fig. 1 is a functional-block diagram, and Fig. 2 always schemes for embodiment's circuit, and Fig. 3-Fig. 5 is a component, and wherein Fig. 3 is the ignition angle controller, Fig. 4 comprise stabilized power supply 1. with high-pressure generator, Fig. 5 comprise stabilized power supply 2., pulsing oscillator and many sparks controller.

Each element model parameter among the embodiment is: form voltage comparator A1 and A2 respectively with two integrated package LM358, A3 and A4, ic chip 1, IC2 selects 7806CV for use, IC3 selects NE555 for use, and IC4 selects TIL117 for use, and controllable silicon SCR is selected MCR100-6 for use, triode BG1:3CK16(A, B), the BG2:BT33 single-transistor, BG3:3DA87, BG4:3DK14H, BG5:3DK28C, the BG6(Darlington transistor): PMD19D(or MJ11015), the rectifier bridge of diode D1-D10 and motor synchronizing signal is all selected IN4007 for use, zener diode D11, D12:IN4732A, 4.7V, 1W, potentiometer: W1:100K, W2, W3:200K, resistance R 1, R2:36K, R3, R13:100 Ω, R4:34K, R5, R10, R11:15K, R6:300K, R7, R17, R18:60K, R8:150 Ω, R9, R15:300 Ω, R12, R20, R27:200K, R14:600 Ω, R16, R25, R29, R30:33K, R19:22K, R21:56K, R22:10K, R23:1K, R24:80K, R26:1M Ω, R28:60K, capacitor C 1, C5:0.5, C2:150P, C3, C4, C10, C11:0.2, C6:120P, C7, C9:0.01, C8:0.1.Said elements is pressed Fig. 2, and (or component Fig. 3-Fig. 5) connect is loaded in the box and gets final product.

Claims

Engine speed tracking type ignition is made of motor source of synchronising signal, ignition angle controller, high-pressure generator, pulsing oscillator, many sparks controller and stabilized power supply, it is characterized in that:

(1), the motor source of synchronising signal is by being contained in coil on the engine output shaft and permanent magnet and forming with the rectifier bridge that diode is formed, its basic parameter is: when single cylinder two-stroke motor and twin-tub four stroke engine, motor revolution one is transmitted and is given birth to a sine wave, adopts the one way rectifier bridge; When the four cylinder four-stroke motor, motor is whenever goed around, a sine wave takes place, adopt full-wave rectification bridge: when single-cylinder four-stroke engine, motor revolution two changes, and three sine waves take place, adopt full-wave rectification bridge: when single-cylinder four-stroke engine, motor revolution two changes, and a sine wave takes place, and adopts the one way rectifier bridge;

(2), the ignition angle controller is made up of triode BG1, BG3, BG5, single-transistor BG2, controllable silicon SCR, voltage comparator A1, A2, A3, diode D1, D2, D4, reference diode D11, D12, potentiometer W1, W2, W3, resistance R 1-R11, R16-R23, capacitor C 1, C6, C7; Form four voltage comparator A1 and A2, A3 and A4 respectively with two integrated package LM358; The rectification output polar of the end of the emitter of BG1 and R1 and sending and receiving motivation source of synchronising signal, on the base stage of BG1 and connect the end of R21 and C6, the other end of R21 and C6 is connected to the collector electrode of BG5, the end of another termination W1 of R1, the other end of W1 also connects the positive pole of D1, the end of C1, the end of W2 and the e utmost point of BG2, the negative pole of D1 also connects the anode of SCR and the negative pole of D4, the minus earth of SCR, the other end ground connection of C1, be connected to the collector electrode of BG1 behind the other end serial connection R2 of W2, the b2 utmost point of BG2 connects the pin 3 of the ic chip 1 in the stabilized power supply, the b1 utmost point of BG2 also connects the control grid of SCR and the end of R3, the other end ground connection of R3, the positive pole of D4 and the pin of A2 5 also connect the emitter of BG3, the pin 1 of A1 connects the base stage of BG3, the pin 2 of A1 also meets R4 and the end of R5, the pin 3 of another termination ic chip 1 of R4, the other end ground connection of R5, the pin 3 of A1 connects the end of R7, the end of the other end of R7 and R18 is connected to the emitter of BG1, the end of R6 and the negative pole of D11 are connected to the pin 3 of A1, the other end ground connection of R6, the plus earth of D11, the pin 3 of another termination A3 of R18, the collector electrode of BG3 connects the end of R8, the pin 3 of another termination ic chip 1 of R8, the end of R9 also connects the emitter of BG3 and the pin 5 of A2, the other end ground connection of R9, R10, the end of R11 also connects the pin 6 of A2, the pin 3 of another termination ic chip 1 of R10, the other end ground connection of R11, the pin 7 of A2 connects the positive pole of D2, the negative pole of D2 connects the negative pole of D7, the pin 8 of A2 connects the pin 3 of ic chip 1, pin 4 ground connection of A2, R16, the end of R17 also connects the pin 2 of A3, the pin 3 of another termination ic chip 1 of R16, the other end ground connection of R17, the end of R19 and the negative pole of D12 are connected to the pin 3 of A3, ground connection behind the other end serial connection W3 of R19, the plus earth of D12, the pin 1 of A3 and the end of R20 are connected to the base stage of BG5, the other end ground connection of R20, the emitter of BG5 also meets C7, R22, the end of R23, the other end ground connection of C7 and R23, the pin 3 of another termination ic chip 1 of R22;

(3), high-pressure generator is by triode BG4, BG6, resistance R 12-R15, capacitor C 2, the spark coil of C5 and former platinum ignition mechanism and spark plug are formed, R12, R13, the end of C2 is connected to the negative pole of D2, the other end ground connection of R12, the other end of R13 and C2 is connected to the base stage of BG4, the grounded-emitter connection of BG4, the collector electrode of BG4 also meets R14, the end of R15 and C5, connect+the 12V DC electrical source behind the other end of R14 and the emitter junction of the BG6 fire switch, the other end of R15 and C5 is connected to the base stage of BG6, a line of the primary air of the collector contact fire coil of BG6;

(4), the pulsing oscillator is made up of ic chip 3, diode D9, resistance R 29, R30, capacitor C 9, pin 1 ground connection of IC3, pin 2 and pin 6 also connect the end of negative pole, R29 and the C9 of D9, the other end ground connection of C9, the end of the positive pole of D9 and the other end of R29 and R30 is connected to the pin 7 of IC3, the pin 3 of IC3 connects the pin 5 of ic chip 4, and the pin 8 of IC3 and the other end of R30 are connected to the pin 3 of ic chip 2;

(5), many sparks controller is by ic chip 4, voltage comparator A4, diode D5-D8, resistance R 24-R28, capacitor C 8 is formed, D5, the positive pole of D6 is connected to the pin 5 of A2, the end of the negative pole of D5 and D8 and R26 is connected to the pin 6 of A4, connect the pin 5 of A4 behind the negative pole serial connection R28 of D6, the end of R24 and the pin 8 of A4 connect the pin 3 of ic chip 1, pin 4 ground connection of A4, the other end of R24 also connects the positive pole of D8 and the end of R25, R25, the other end ground connection of R26, the end of R27 and C8 is connected to the pin 5 of A4, the other end ground connection of R27 and C8, the pin 7 of A4 connects the pin 1 of IC4, pin 2 ground connection of IC4, the pin 4 of IC4 connects the positive pole of D7, and the negative pole of D7 connects the negative pole of D2;

(6), stabilized power supply comprise stabilized power supply 1. with stabilized power supply 2.: 1. stabilized power supply is made up of ic chip 1, diode D3, capacitor C 3, C4, connect+the 12V power supply behind the positive contact fire switch of D3, the end of the negative pole of D3 and C4 is connected to the pin 1 of IC1, the pin 3 of the termination IC1 of C3, the other end ground connection of C3, C4, pin 2 ground connection of IC1; 2. stabilized power supply is made of ic chip 2, diode D10, capacitor C 10, C11, the positive pole of D10 connects motor start switch and connects+the 12V power supply, and the end of the negative pole of D10 and C11 is connected to the pin 1 of IC2, the pin 3 of the termination IC2 of C10, the other end ground connection of C10, C11, pin 2 ground connection of IC2.