CN2039357U - Electronic igniter for vehicle - Google Patents
Electronic igniter for vehicle Download PDFInfo
- Publication number
- CN2039357U CN2039357U CN 88207282 CN88207282U CN2039357U CN 2039357 U CN2039357 U CN 2039357U CN 88207282 CN88207282 CN 88207282 CN 88207282 U CN88207282 U CN 88207282U CN 2039357 U CN2039357 U CN 2039357U
- Authority
- CN
- China
- Prior art keywords
- circuit
- utility
- electronics automatic
- delay circuit
- automatic ignition
- 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.)
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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model relates to an electronic automatic igniter for the ignition of automobile engines, comprising a delay circuit, a signal control circuit, a power amplifier and an ignition coil. Because the utility model uses an electronic switch to control the power stage current and adopts a middle and small scale integrated circuit, the igniter tends to be perfect in performance, purpose and reliability. The utility model automatically controls the on-off of the low voltage current according to the requirement of the engine operating condition, extends the service life of the electronic automatic igniter and the ignition coil, and realizes the purpose of electricity saving and energy saving. The utility model also has the two-way insurance effect.
Description
The utility model relates to the electronics automatic ignition device that a kind of car engine ignition is used, and it comprises power amplification and ignition lead circle.
At present, the ignition kind that can be used for the automobile use is a lot, and ignition performance and reliability are all not really high.Introduced the ignition that a kind of U.S. assembles on the board sedan car with the wind in 1985 8 days on the front page according to " vehicle electronics ", because the output power pipe is behind power connection, motor does not rotate, before promptly trigger impulse arrives, and power tube BG
5Be on state, under some factor affecting, usually cause the big electric current of this pipe range time conducting to pass through, cause this pipe and spark coil to puncture.If this fault takes place in driving, no first-aid method solves.According to another having proposed the electronic ignitin system that a kind of Fiat Auto is used on " automobile digest " the 6th phase in 1985, be with " time relay " control low tension loop break-make, though solved the ubiquitous problem of above electronic ignition, but because the relay life-span is limited, this method of the not high event of reliability fails to popularize.In a word, existing igniter for automobile, the ubiquity product uses disposable, and car type is with strong points, has series of one's own, and interoperability is poor, narrow application range, circuit reliability mainly depends on the higher pipe of parameter and guarantees, and maintenance service is very difficult.
The purpose of this utility model is to avoid above-mentioned deficiency of the prior art, and provides a kind of accommodation wide, long service life, the automotive electronics automatic ignition device that ignition performance is comparatively perfect.
Purpose of the present invention can reach by following measure:
The related ignition of the utility model comprises power amplification and high-voltage ignition coil, it is characterized in that motor car engine correct timed ignition signal is at first through diode D
1, capacitor C
3Enter the delay circuit input end, make circuit enter the state of clocking, simultaneously, export a high petential and keep certain hour constant (t=1.1RC) time delayed signal, through diode D
2With current-limiting resistance R
6Send into the input end of signal control circuit, this moment, the ignition timing signal could by SC sigmal control partly and obtain amplifying and promote the power amplifier level make high-voltage ignition coil produce high pressure, through distributor, need, send each cylinder and light mixed gas by each cylinder working of motor.
Purpose of the present invention can also reach by following measure:
Delay circuit can adopt time-base integrated circuit, and this circuit output directly promotes triode BG
1, delay circuit and employing NE
555, SE
555, LM
555, CC
555Deng, be furnished with suitable peripheral cell R
1, W
1, C
1,, input end is by R
2, R
3, R
4, C
3And D
1Form the negative impulse trigger circuit, output terminal D
2, C
4, R
6Form the voltage stabilizing current-limiting circuit.
SC sigmal control can be made up of electronic switch and signal amplification circuit, triode BG
1With circuit C
1And resistance R
9Buffer circuit is formed electronic switch, and its output signal is by BG
2Amplify the back and promote power amplifier level, R
1, R
8, R
10Be BG
2The biased electrical group.
Power amplification circuit is by BG
3With BG
4Form compositing amplification tube, biasing resistor by R
11, R
12Form, the collector electrode of its pipe meets buffer capacitor C8 over the ground.
Description of drawings:
Fig. 1 system block diagram
The 1-delay circuit
The 2-signal control circuit
The 3-power amplification circuit
The 4-high-voltage ignition coil
Fig. 2 embodiment circuit diagram
Fig. 3 oscillogram
Be described in further detail below in conjunction with accompanying drawing:
The utility model is partly formed delay circuit, signal control circuit and power amplification and spark coil by three.
Embodiment's delay circuit adopts integrated time base NE
555(also can adopt SE
555, LM
555, CC
7555, L
7555Deng), peripheral cell R
1, W
1, C
1, input end is by R
2, R
3, R
4, C
3And D
1Form the negative impulse trigger circuit, output terminal D
3, C
4, R
6Form the voltage stabilizing current-limiting circuit.
Signal control circuit, BG
1Adopt DS
15C with buffering
1, R
9Form electronic switch, R
1, R
8, R
10And BG
2=DCS
11Form signal amplification circuit.
Power amplification circuit: by BG
3BG
4Adopt 3DD15F and R
11R
12Form power amplification circuit, C
8Buffer capacitor.
Connection power supply, motor do not rotate, and distributor point disconnects, and no ignition timing signal, S are 1/2V
CCTriggerless, delay circuit are low potential, and signal control circuit turn-offs, output low potential, BG
3BG
4End the elementary no current of spark coil, the no high pressure output of level.When motor drives engine revolution.The distributor point action, the timing signal arrives in a flash, and signal is earlier through D
1C
3Trigger delay circuit S end (V letter≤1/3V
CC) delay circuit enters working state, through R
1W
1C
2Time constant circuit keeps the high petential output in the certain hour.Through D
2C
4R
6The voltage stabilizing current limliting is delivered to control circuit BG
1Input end on, make BG
1Conducting timing signal passes through BG
1R
8BG
2Obtain amplifying, through R
10Current limliting, power controlling is amplified BG
3BG
4Make the spark coil primary circuit constitute the loop, produce electric current.
When the disconnection of motor contact, the timing signal becomes high petential V letter=V
CC(delay circuit t at this moment,
W＞＞L letter), BG
1Saturation conduction, the timing signal, the V letter is added to BG
2B end, make BG
2End rapidly, cause BG
3BG
4
Change cut-off state rapidly into from saturation state, make spark coil B
1Primary current rapidly disappear, electromagnetic energy is at B
1Secondary windings in produce the about 20KV～25KV of high pressure, through distributor, branch gives motor each cylinder.Light mixed gas.
Connect power supply, motor is because during a variety of causes stall, and the engine distributor contact is just like conduction position, delay circuit, and output becomes low potential, BG after 3 seconds
1The B terminal potential drop to zero BG gradually
1Slowly end, make signal amplify BG from saturated carrying out the transition to
2(PNP) b end becomes high petential to be ended, and causes BG
3BG
4End.Spark coil B
1Primary current fade away.Just making, a circuit is not influenced by the motor contact and returns in the original state.Play automatic protective action.
The engine timing fire signal continuously changed in 3 seconds, and (engine revolution), then delay circuit output keeps high petential BG always
1Remain the conducting saturation state.Make timing
Fire signal is unblocked through amplifications at different levels, control ignition coil primary current.
Each component parameters is selected as follows:
The numerical tables of element
R
1＝ 10K R
2＝ 2.7K
R
3＝ 2.7K R
4＝ 390Ω
R
5＝ 560Ω R
6＝ 240Ω
R
7＝ 390Ω R
8＝ 390Ω
R
9＝ 1K R
10＝ 100Ω
R
11＝ 100Ω R
12＝ 100Ω
Electric capacity:
C
1＝ 2.2 μF C
2＝ 0.01 μF
C
3＝ 0.022 μF C
4＝ 10 μF
C
5＝ 50 μF C
6＝ 50 μF
C
7＝ 1 μF C
8＝ 0.033 μF
D
1＝2CK70 D
2＝2CK75
W
1=1M adjustable resistance
K
1K
2=2 * 2 220V2A electronic switches
This use Novel automatic igniting device has the following advantages compared with the prior art:
1. operating current, voltage range are wide, and the petrol engine that adapts to domestic various automobiles makes With.
2. switching speed is fast, and waveform is good, and the magnetic field conversion efficiency is improved.
3. reliability is strong, and the life-span is long.
4. electronic circuit breaks down, and turns round sub-switch as long as stir, and can restore to the original state, and does not affect vehicle and continues to travel.
5. can be according to the needs of engine, automatic control ignition is opening or closing of low tension loop. (on-off).
Not only save storage battery, prolonged the service life of storage battery and simplified driver's operation sequence, alleviated driver's work degree.
6. this device volume is little, assembling is compact attractive in appearance, is convenient to install and operation.
Claims (5)
1, the utility model relates to the electronics automatic ignition device that is used for automobile, and it comprises power amplification circuit (3) and high-voltage ignition coil (4), it is characterized in that motor platinum contact is through D
1And C
3Connect with delay circuit (1), delay circuit passes through D
2, R
6Link with signal control circuit (2), order connects power amplification circuit (3), high-voltage ignition coil (4) thereafter.
2, electronics automatic ignition device as claimed in claim 1 is characterized in that delay circuit can adopt time-base integrated circuit, peripheral cell R
1, W
1, C
1Input end is by R
2, R
3, R
4, C
3And D
1Form the negative impulse trigger circuit, output terminal D
2, C
4, R
6Form the voltage stabilizing current limliting.
3, as claim 1,2 described electronics automatic ignition devices, it is characterized in that time-base integrated circuit can adopt NE
555
4, electronics automatic ignition device as claimed in claim 1 is characterized in that SC sigmal control is partly by BG
1With C
1, R
9Form electronic switch, its output signal is by BG
2Amplify R
7, R
8, R
10Be BG
2Biasing resistor.
5, electronics automatic ignition device as claimed in claim 1 is characterized in that power amplification circuit is by BG
3With BG
4With biasing resistor R
11, R
12Form BG
4The C utmost point meet a buffer capacitor C over the ground
8
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88207282 CN2039357U (en) | 1988-06-14 | 1988-06-14 | Electronic igniter for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88207282 CN2039357U (en) | 1988-06-14 | 1988-06-14 | Electronic igniter for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2039357U true CN2039357U (en) | 1989-06-14 |
Family
ID=4841323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88207282 Withdrawn CN2039357U (en) | 1988-06-14 | 1988-06-14 | Electronic igniter for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2039357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786423A (en) * | 2010-03-11 | 2010-07-28 | 武汉蓝星科技股份有限公司 | Switching machine protecting circuit of vehicle information system |
| CN106917704A (en) * | 2015-12-28 | 2017-07-04 | 黄有银 | A kind of vehicle energy saving electronic installation |
-
1988
- 1988-06-14 CN CN 88207282 patent/CN2039357U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786423A (en) * | 2010-03-11 | 2010-07-28 | 武汉蓝星科技股份有限公司 | Switching machine protecting circuit of vehicle information system |
| CN101786423B (en) * | 2010-03-11 | 2012-01-04 | 武汉蓝星科技股份有限公司 | Switching machine protecting circuit of vehicle information system |
| CN106917704A (en) * | 2015-12-28 | 2017-07-04 | 黄有银 | A kind of vehicle energy saving electronic installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |