CN2357149Y - Pulse ignitor for vehicle - Google Patents
Pulse ignitor for vehicle Download PDFInfo
- Publication number
- CN2357149Y CN2357149Y CN 98203743 CN98203743U CN2357149Y CN 2357149 Y CN2357149 Y CN 2357149Y CN 98203743 CN98203743 CN 98203743 CN 98203743 U CN98203743 U CN 98203743U CN 2357149 Y CN2357149 Y CN 2357149Y
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- CN
- China
- Prior art keywords
- circuit
- vehicle
- oscillator
- voltage
- pulse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model relates to a pulse ignition generator for a vehicle. An oscillator which comprises at least one time-base circuit Ic is connected with a voltage controlled frequency circuit, broad-pulse square-wave oscillator signals which are generated by the oscillator can be input to a booster transformer of a vehicle through an amplifying circuit, and the input terminal of the amplifying circuit is connected with a circuit breaker of the vehicle. Due to the adoption of a broad-pulse and frequency voltage control circuit, the utility model can work normally with high efficiency no matter whether working voltage is high or low, and the combustion efficiency of gas mixture can be enhanced; simultaneously, current which passes through the current can be reduced to millesimals of original current (about below 1mA); the utility model has the advantages of long service life and low failure rate for the circuit breaker.
Description
The utility model relates to a kind of vehicle motor pulse ignition device
At present, the ignition mechanism of gasoline-fueled internal-combustion engine is: produce an action of low-voltage pulse by electric capacity, produce about 30,000 volts high pressure by boosting transformer (about 1: 150), discharge and light the combustible gas acting.Because the time very of short duration (about 1 millisecond) of a pulse, often the inflammable mixture in the cylinder just is discharged from without abundant burning, combustion efficiency is very low, not clean-burning exhaust emission pollution air, waste fuel, especially in, in the petrolic equipment such as low gear vehicle, motorcycle.For high-end vehicle, owing to adopt the electronic oil injection device of CPU processing, be that processes such as car load, speed per hour, resistance, temperature are calculated an amount of oil spout igniting, obtain most economical, as to pollute minimum effect.Higher being difficult to of this system cost implements on general-utility car, be to improve the fuel availability of general-utility car, reduces environmental pollution, and prior art is strengthening ignition spark intensity, adjusting aspect such as spark angle automatically and improve.In addition, Chinese patent application CN86200347U discloses a kind of " automobile fuel saving power-increasing device ", be at mechanical type hertz oscilltor of automobile igniting circuit series connection, make an original pulse become a plurality of pulses, because hertz oscilltor job insecurity, the contact wear of circuit breaker is difficult to produce desirable effect.Because the electric current by circuit breaker is big electric current, increases a contact again, the possibility that faults such as contact wear, misfire occur increases, and causes engine misfire, and power descends; The effective waveform of hertz oscilltor is bad simultaneously, and job insecurity breaks down easily; Oscillation frequency is wayward, and especially mains voltage fluctuation are big during cold start-up, can cause failure of oscillation, influence retrofire on the contrary.
The purpose of this utility model is intended to make improvements according to problems of the prior art, and employing electronic type oscillator obtains the broad pulse square wave and oscillation frequency can be adjusted automatically along with the voltage height, to improve the ignition effectiveness of motor; And make by the electric current of circuit breaker lessly, reduce contact breaker points because the fault that electric current burns damages, weares and teares and cause.
For achieving the above object, the technical solution that the utility model proposes is:
A kind of vehicle pulse igniting generator, it comprises: the oscillator that joins with the vehicle boosting transformer, described oscillator comprises at least one time base circuit, and this oscillator and Control of Voltage frequency circuit join, and the generation broad pulse oscillator signal of oscillator is imported boosting transformer through amplification circuit.
The Control of Voltage frequency circuit is: input end and power supply by a switching circuit join, and the voltage-controlled end of the output terminal of switching circuit and time base circuit joins.
The input end of amplification circuit and vehicle circuit breaker join.
Be connected to anti-impacting with high pressure inductance between Control of Voltage frequency circuit and the power supply.
The output terminal of time base circuit joins through the input end of protective circuit and amplification circuit.
Fig. 1 is the circuit theory diagrams of the utility model vehicle pulse igniting generator.
Fig. 2 is the enforcement connection diagram of the utility model vehicle pulse igniting generator.
Below in conjunction with accompanying drawing embodiment of the present utility model is done and to describe in further detail:
Referring to Fig. 1, vehicle pulse igniting generator of the present utility model comprises several parts of Control of Voltage frequency circuit, oscillator and amplification circuit, and battery supply E is through switch K
2, with the pulse igniting generator+end joins ,-hold bonding into vehicle.Through safety fuse cutout RD and inductance L input voltage control frequency circuit and oscillator, inductance L is in order to prevent strong impacting with high pressure damage of moment time base circuit Ic.By triode BG
1, BG
2, resistance R
2, R
3, R
4, R
5, voltage-stabiliser tube DW
1Form the Control of Voltage frequency circuit, can be when circuit voltage raises automatic rising frequency.Its principle is: when voltage was higher than setting value, electric current was through R
5→ R
4→ DW
1Conducting (its voltage stabilizing value is a setting value) makes BG
2Base stage obtains negative bias and conducting makes BG after the conducting
1Base bias trend just, and make BG
1End BG
1It is negative that the voltage of control end 5 pin of Ic is dropped to, thereby the frequency of oscillator raises; When voltage is lower than setting value, DW
1End BG
2Base bias is being for just, and ends rapidly, makes BG
1The base bias trend is negative, BG
1Conducting, control end 5 pin of Ic obtain positive voltage, and oscillator frequency descends, at this moment just in time motor just starts, and the voltage of storage battery descends, and piston unit time movement velocity is very slow, the igniting step-up coil must obtain enough energy, and oscillation source reduced frequency automatically and just in time met this requirement this moment.After engine start, drive generator for electricity generation, voltage raises and rotating speed improves constantly, if this moment, frequency kept the low constant ignition effectiveness that just influences, circuit of the present utility model like this can be when circuit voltage raises automatic rising frequency, guarantee piston enough continuously sparkings that does work each time.
The oscillator that can produce the broad pulse square wave is by resistance R
1, diode D
1, potentiometer W, capacitor C
2Form with time base circuit Ic (555), wherein potentiometer W is the regulating impulse width, capacitor C
2The regulating impulse frequency.C
3, C
4For anti-interference, C
1Be filter capacitor, μ is a piezoresistance, disturbs with the high pressure that absorbs oscillator.
Import by R by the square wave oscillation signal that 3 pin of Ic are exported
6, R
7, DW
2, D
3, D
2The protective circuit of forming is by resistance R
6Current limliting, voltage-stabiliser tube DW
2Pressure limiting, resistance R
7Current limliting, step-down again, input is by triode BG
3, BG
4, resistance R
8The amplification switch circuit of forming, R
8Be bias resistance, by composite pipe BG
3, BG
4Amplified current is through contact S input boosting transformer LG, at the former limit LG of boosting transformer
1Produce pulsating current, secondary LG
2Produce high pressure, the distributor FD of input motor, H
1～H
6It is the igniter plug of 6 Cylinder engines.C
5Be LG
1Discharge capacity, D
2, D
3Be anti-high back-pressure diode, protection Ic.BG
3Base stage is through contact K and automobile power-down device K
1Join, so base current very little (less than 1mA) can improve circuit breaker K
1Working life.As circuit breaker K
1When closed, BG
3Base stage equal to add negative bias, end immediately, simultaneously BG
4End, step-up coil quits work, as circuit breaker K
1In the time of separately, BG
3Obtain the pulse positive voltage, step-up coil work produces high pressure.
Referring to Fig. 2, Placement of the present utility model is: with vehicle pulse igniting generator (MZD)+end through switch K
2Meet vehicle power supply E, the input end of K termination vehicle circuit breaker, S end and the boosting transformer coil LG low pressure one side LG of MZD
1Join, is the bonding of vehicle.
The utility model is owing to adopt electro coupled oscillator to produce the big square wave good stability of pulse width, it is big that step-up coil obtains energy, oscillation frequency is subjected to the control of voltage, make step-up coil no matter step-down (being the voltage of storage battery during startup) still boost (the engine operation generator begins generating) can both be normal, work efficiently, obtain enough energy, therefore firepower is powerful, working stability, make engine piston can obtain 10 above pulse igniting sparks at each working stroke, improve the combustion efficiency of combustible gas, strengthened engine power output, reduced oil consumption and the pollution of environment.In addition, by transistor BG
4Step-up coil is carried out big electric current open and close, promptly by transistor BG
4As contactless switch, make the electric current of the circuit breaker of flowing through be reduced to original several a thousandths (1mA is following), electric current can not occur and burn damage, wear phenomenon, can improve the working life of circuit breaker greatly, rate of fault reduces.
Claims (5)
1. vehicle pulse igniting generator, it comprises: the oscillator with the vehicle boosting transformer joins is characterized in that: described oscillator comprises at least one time base circuit, this oscillator and Control of Voltage frequency circuit join.
2. according to the vehicle pulse igniting generator described in the claim 1, it is characterized in that: described Control of Voltage frequency circuit is: input end and power supply by a switching circuit join, and the voltage-controlled end of the output terminal of switching circuit and time base circuit joins.
3. vehicle pulse igniting generator according to claim 1 is characterized in that: the input end of described amplification circuit and vehicle circuit breaker join.
4. vehicle pulse igniting generator according to claim 1 is characterized in that: be connected to anti-impacting with high pressure inductance between described Control of Voltage frequency circuit and the power supply.
5. vehicle pulse igniting generator according to claim 1, it is characterized in that: the output terminal of described time base circuit joins through the input end of protective circuit and amplification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98203743 CN2357149Y (en) | 1998-04-29 | 1998-04-29 | Pulse ignitor for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98203743 CN2357149Y (en) | 1998-04-29 | 1998-04-29 | Pulse ignitor for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2357149Y true CN2357149Y (en) | 2000-01-05 |
Family
ID=33960510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98203743 Expired - Fee Related CN2357149Y (en) | 1998-04-29 | 1998-04-29 | Pulse ignitor for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2357149Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758715A (en) * | 2011-11-28 | 2012-10-31 | 余兆辉 | Igniting device of transformer primary coil input oscillation current type engine and implementing method |
| CN104682203A (en) * | 2015-03-13 | 2015-06-03 | 温州大学城市学院 | Ignition circuit of separately-excited arc lighter |
-
1998
- 1998-04-29 CN CN 98203743 patent/CN2357149Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758715A (en) * | 2011-11-28 | 2012-10-31 | 余兆辉 | Igniting device of transformer primary coil input oscillation current type engine and implementing method |
| CN102758715B (en) * | 2011-11-28 | 2015-04-22 | 余兆辉 | Igniting device of transformer primary coil input oscillation current type engine and implementing method |
| CN104682203A (en) * | 2015-03-13 | 2015-06-03 | 温州大学城市学院 | Ignition circuit of separately-excited arc lighter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |