CN202914226U - Car electronic ignition device based on singlechip - Google Patents
Car electronic ignition device based on singlechip Download PDFInfo
- Publication number
- CN202914226U CN202914226U CN2012205325307U CN201220532530U CN202914226U CN 202914226 U CN202914226 U CN 202914226U CN 2012205325307 U CN2012205325307 U CN 2012205325307U CN 201220532530 U CN201220532530 U CN 201220532530U CN 202914226 U CN202914226 U CN 202914226U
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- China
- Prior art keywords
- singlechip
- sensor
- chip microcomputer
- ignition device
- electronic ignition
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Electrical Control Of Ignition Timing (AREA)
Abstract
The utility model discloses a car electronic ignition device based on a singlechip. The car electronic ignition device based on the singlechip comprises a rotate speed sensor, a knocking sensor, a throttle position sensor, a temperature sensor, the singlechip and a spark plug, the rotate speed sensor is connected with the singlechip through a first wave form adjusting circuit, the knocking sensor, the throttle position sensor and the temperature sensor are connected with an analog/digital (A/D) convertor through a second wave form adjusting circuit, the A/D convertor is connected with the singlechip, an output end of the singlechip is connected with a driving circuit, and the spark plug is connected with the driving circuit through an ignition control circuit. Compared with traditional mechanical adjusting type ignition time control systems, the car electronic ignition device based on the singlechip is provided with the advantages of being good in timeliness, high in accuracy and flexible in control, the device can accurately control engine ignition time to improve car overall performance and simultaneously effectively relieve energy crisis and pollution of car exhaust to the atmospheric environment.
Description
Technical field
The utility model belongs to the motor vehicle safe driving field, is specifically related to a kind of SCM Based electronic ignition device for automobile.
Background technique
Along with the development of automotive industry, energy crisis and vehicle exhaust are on the rise to the pollution that atmosphere environment causes.And this situation has been alleviated in accurately being controlled at when improving the Integral automobile performance of engine igniting time effectively.Compare with traditional mechanical conditioning type ignition timing control system, have the advantages such as promptness is good, validity is high, control is flexible based on the electronic type control system of microcontroller.For this reason, from the control strategy of igniting control system for engine, designed a kind of electronic igniting control gear that can improve the engine ignition control accuracy.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is, a kind of SCM Based electronic ignition device for automobile is provided.
In order to realize above-mentioned task, the utility model adopts following technological scheme to be achieved:
A kind of SCM Based electronic ignition device for automobile, comprise speed probe, detonation sensor, engine load sensor, temperature transducer, single-chip microcomputer and spark plug, speed probe links to each other with single-chip microcomputer by the first Waveform adjusting circuit, detonation sensor, engine load sensor and temperature transducer link to each other with A/D converter through the second Waveform adjusting circuit, A/D converter links to each other with single-chip microcomputer, the output terminal of single-chip microcomputer is connected with drive circuit, and spark plug links to each other with drive circuit by ignition control circuit.
The utility model also has following technical characterstic:
Described single-chip microcomputer adopts the AT89C2051 single-chip microcomputer.
It is the A/D converter of ADC0809 that described A/D converter adopts model.
Described temperature transducer adopts integrated temperature sensor MAX6611.
The utility model is compared with traditional mechanical conditioning type ignition timing control system; have based on the electronic control device of microcontroller that promptness is good, validity is high, control flexibly advantage; when this device can improve the Integral automobile performance with accurately being controlled at of engine igniting time, effectively alleviating energy crisis and vehicle exhaust pollution that atmosphere environment is caused.
Description of drawings
Fig. 1 is annexation schematic diagram of the present utility model.
Fig. 2 is single-chip microcomputer of the present utility model and A/D converter annexation schematic diagram.
Fig. 3 is ignition control circuit figure of the present utility model.
Below in conjunction with drawings and Examples particular content of the present utility model is described in more detail.
Embodiment
Below provide specific embodiment of the utility model, need to prove that the utility model is not limited to following specific embodiment, all equivalents of doing on present techniques scheme basis all fall into protection domain of the present utility model.
Defer to technique scheme, as shown in Figure 1, a kind of SCM Based electronic ignition device for automobile, comprise speed probe, detonation sensor, engine load sensor, temperature transducer, single-chip microcomputer and spark plug, speed probe links to each other with single-chip microcomputer by the first Waveform adjusting circuit, detonation sensor, engine load sensor and temperature transducer link to each other with A/D converter through the second Waveform adjusting circuit, A/D converter links to each other with single-chip microcomputer, the output terminal of single-chip microcomputer is connected with drive circuit, and spark plug links to each other with drive circuit by ignition control circuit.
Described speed probe is installed on the bent axle of motor car engine, is used for measuring engine speed and CAP.
Described temperature transducer adopts integrated temperature sensor MAX6611, and temperature transducer is installed in the cooling system of motor, is used for measuring engine cooling water temperature.
Described detonation sensor is installed on the engine cylinder-body, measures the engine knock signal by the piezoelectric acceleration sensor on the cylinder body.
Described engine load sensor is installed in the throttle position of vehicle, is used for gathering the information on load of motor.
Described A/D converter adopts the ADC0809A/D transducer.
The conventional Waveform adjusting circuit that described the first Waveform adjusting circuit and the second Waveform adjusting circuit are well known to those skilled in the art.
Described single-chip microcomputer adopts the AT89C2051 single-chip microcomputer.,, carve when appropriate and provide control signal according to operation result the input signal calculation process according to certain control strategy, algorithm.Control signal is behind drive circuit, and control IGNITION CONTROL circuit working is finally realized engine ignition by spark plug.
Described ignition control circuit is used for control and produces the required high pressure of flower piston igniting.
When the utility model was in running order, the speed probe output signal number was sent into the single-chip microcomputer external counter through the first Waveform adjusting circuit shaping, after amplifying, and just can measure its rotating speed and crank position to its counting within a certain period of time by single-chip microcomputer.The temperature sensor measurement engine cooling water temperature, single-chip microcomputer is adjusted accordingly ignition advance angle according to water temperature signal: increase ignition advance angle when water temperature is low, and water temperature reduces ignition advance angle when high.The pinking dynamic sensor that employing is installed on the engine cylinder-body is measured the engine knock signal, and the measurement of the load of motor realizes by the analog throttle sensor of linear output type.A/D converter carries out mould/number conversion to the front end input signal.By ADDA, ADDB and ADDC select to transform channel, channel 0 input temp signal, channel 1 input detonation signal, channel 2 input throttle opening signals, and the signal after the conversion is input to single-chip microcomputer inside by the P1 mouth.Single-chip microcomputer and A/D converter interface circuit figure are as shown in Figure 2.Single chip computer AT 89C2051 determines rotating speed and crank position to the speed of crankshaft signal-count, the output ignition control signal.Single-chip microcomputer,, is carved when appropriate and is provided control signal according to operation result the input signal calculation process according to certain control strategy, algorithm.Control signal is behind drive circuit, and control IGNITION CONTROL circuit working is finally realized engine ignition by spark plug.
In automotive system, generally only provide the VDC of 12V, and the chip that ignition control circuit of the present utility model adopts needs the voltage of 5V.The utility model adopts integrated chip W78L05 to design the DC/DC change-over circuit of 12V to 5V, to satisfy the normal operation of whole system, as shown in Figure 3.
Claims (4)
1. SCM Based electronic ignition device for automobile, it is characterized in that, comprise speed probe, detonation sensor, engine load sensor, temperature transducer, single-chip microcomputer and spark plug, speed probe links to each other with single-chip microcomputer by the first Waveform adjusting circuit, detonation sensor, engine load sensor and temperature transducer link to each other with A/D converter through the second Waveform adjusting circuit, A/D converter links to each other with single-chip microcomputer, the output terminal of single-chip microcomputer is connected with drive circuit, and spark plug links to each other with drive circuit by ignition control circuit.
2. SCM Based electronic ignition device for automobile according to claim 1 is characterized in that, described single-chip microcomputer adopts the AT89C2051 single-chip microcomputer.
3. SCM Based electronic ignition device for automobile according to claim 1 is characterized in that, it is the A/D converter of ADC0809 that described A/D converter adopts model.
4. SCM Based electronic ignition device for automobile according to claim 1 is characterized in that, described temperature transducer adopts integrated temperature sensor MAX6611.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205325307U CN202914226U (en) | 2012-10-17 | 2012-10-17 | Car electronic ignition device based on singlechip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205325307U CN202914226U (en) | 2012-10-17 | 2012-10-17 | Car electronic ignition device based on singlechip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914226U true CN202914226U (en) | 2013-05-01 |
Family
ID=48162545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205325307U Expired - Fee Related CN202914226U (en) | 2012-10-17 | 2012-10-17 | Car electronic ignition device based on singlechip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914226U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762326A (en) * | 2016-11-09 | 2017-05-31 | 重庆三信电子股份有限公司 | A kind of motorcycle DC ignitor and application specific integrated circuit |
| CN108194243A (en) * | 2018-02-11 | 2018-06-22 | 江苏卡威汽车工业集团股份有限公司 | A kind of picking-up vehicle Iganition control system |
-
2012
- 2012-10-17 CN CN2012205325307U patent/CN202914226U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762326A (en) * | 2016-11-09 | 2017-05-31 | 重庆三信电子股份有限公司 | A kind of motorcycle DC ignitor and application specific integrated circuit |
| CN106762326B (en) * | 2016-11-09 | 2018-07-20 | 重庆三信电子股份有限公司 | A kind of motorcycle DC ignitor and application-specific integrated circuit |
| CN108194243A (en) * | 2018-02-11 | 2018-06-22 | 江苏卡威汽车工业集团股份有限公司 | A kind of picking-up vehicle Iganition control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Granted publication date: 20130501 Termination date: 20131017 |