CN201503258U - Non-contact electronic accelerator pedal position sensor for automobile - Google Patents
Non-contact electronic accelerator pedal position sensor for automobile Download PDFInfo
- Publication number
- CN201503258U CN201503258U CN2009200348692U CN200920034869U CN201503258U CN 201503258 U CN201503258 U CN 201503258U CN 2009200348692 U CN2009200348692 U CN 2009200348692U CN 200920034869 U CN200920034869 U CN 200920034869U CN 201503258 U CN201503258 U CN 201503258U
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- signal
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- signal processor
- circuit
- power supply
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- Combined Controls Of Internal Combustion Engines (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
A non-contact electronic accelerator pedal position sensor for an automobile comprises a signal processor and a power supply circuit, wherein the signal processor converts a received magnetic signal into an electric signal and outputs a control signal after data processing; the power supply circuit supplies a power supply for a complete machine; the output terminal of the circuit is connected with the signal processor; the signal processor adopts a Hall element unit to collect signals; a DSP (digital signal processor) integrated on the Hall element unit performs the error analysis and compensation to a sampling signal; a linear voltage signal is processed by a microprocessor and a digital signal processing circuit and is output to an electronic accelerator control unit of an automobile engine; and the electronic accelerator control unit changes the working station of the engine. The utility model has the advantages of simple structure, small volume, convenient installation, stable output signal, low possibility of temperature and electromagnetic interference and long service life, and can be popularized and used in automobiles.
Description
Technical field
The utility model belongs to sensor technical field, is specifically related to angular displacement sensor.
Background technology
Existing gas pedal mostly is the mechanical transmission structure that belongs to of connecting rod or extension spring traction, and the control throttle is inaccurate, especially can not realize all electronic control, can't reach the purpose of energy-saving and environmental protection.Therefore, increasing E-Gas replaces traditional mechanical type throttle, and as the core of efp, its critical component is an angular displacement sensor.Sensor position signal and pedal angle displacement are varied to ratio, and throttle close and fully open position between monotone variation.Because the potentiometer angular displacement sensor that generally adopts is subjected to influences such as product structure, temperature variation, mechanical wear at present, can not adapt to the requirement of car engine electronic throttle high precision, high reliability.How to improve the signal linearity, the serviceable life of product, the reliability of angular displacement sensor, become the big technical barrier that current automobile technical field need solve.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned mechanical type gas and ordinary electronic throttle, provides a kind of stable output signal reliably, not to be subjected to the non-contact type automobile electric gasoline throttle pedal position sensor of temperature and electromagnetic interference (EMI), long service life.
Solving the problems of the technologies described above the technical scheme that is adopted is: it comprises that the magnetic signal that will receive converts the electric signal line data of going forward side by side to and handles the signal processor of back output control signal; It also is included as the power circuit that complete machine provides power supply, the output termination signal processor of this circuit.
Signal processor of the present utility model is: 1 pin of integrated circuit U2 connects an end, 6 pin and 8 pin that 5 pin of integrated circuit U1,2 pin and 3 pin and 4 pin ground connection, 7 pin connect capacitor C 6 and connects the Throttle Opening Control unit that the other end of capacitor C 6 and ground, 5 pin output a control signal to motor car engine.The model of above-mentioned integrated circuit U2 is MLX90316A.
Signal processor of the present utility model adopts the Hall element unit to gather magnetic signal, the DSP digital processing unit that is integrated in the Hall element unit carries out error analysis and compensation to sampled signal, handle through the microprocessor and the digital signal processing circuit that are integrated in the Hall element unit, the output linear voltage arrives the E-Gas control module of motor car engine, and is changed the working condition of engine by the E-Gas control module.The utlity model has simple in structure, volume is little, easy for installation, stable output signal, be not subjected to temperature and advantages such as electromagnetic interference (EMI), long service life, can on automobile, promote the use of.
Description of drawings
Fig. 1 is an electrical principle block scheme of the present utility model.
Fig. 2 is an electronic circuit schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
Embodiment 1
Fig. 1 is an electrical principle block scheme of the present utility model, referring to Fig. 1.In Fig. 1, the utility model is connected and composed by power circuit, signal processor, the output termination signal processor of power circuit.
Power circuit becomes the 5V direct supply with the 24V power supply of automobile, for complete machine provides 5V working power.Signal processor converts the received angular displacement magnetic signal that is installed in magnet in the electronic accelerator pedal of automobile rotating shaft to electric signal, and carries out computing according to the program of prior setting, output control signal, the open degree of Control of Automobile engine throttle.
In Fig. 2, power circuit integrated circuit U1, the diode D1 of present embodiment, voltage stabilizing diode Z1, field effect transistor T1, resistance R 1, resistance R 2, capacitor C 1～capacitor C 5 connect and compose, the model of integrated circuit U1 is TLE4270, and the model of field effect transistor T1 is BUK563.The positive pole of diode D1 connects the 24V power supply, negative pole connects the drain electrode of field effect transistor T1 and connects grid by R1, the grid of field effect transistor T1 connects the negative pole of voltage stabilizing diode Z1 by resistance R 2, the plus earth of voltage stabilizing diode Z1, the source electrode of field effect transistor T1 connects 1 pin and an end of capacitor C 1 and the end of capacitor C 2 of integrated circuit U1, the other end ground connection of the other end of capacitor C 1 and capacitor C 2.The end that the other end that the 3 pin ground connection of integrated circuit U1,4 pin connect capacitor C 3,5 pin connect capacitor C 4 and an end and the signal processor of capacitor C 5, the other end ground connection of capacitor C 3～capacitor C 5.
The signal processor of present embodiment is connected and composed by integrated circuit U2, capacitor C 5～capacitor C 5, and the model of integrated circuit U2 is MLX90316A.1 pin of integrated circuit U2 connects an end, 6 pin and 8 pin that 5 pin, 2 pin and 3 pin of integrated circuit U1 and 4 pin ground connection, 7 pin connect capacitor C 6 and connects the Throttle Opening Control unit that the other end of capacitor C 6 and ground, 5 pin output a control signal to motor car engine, by the unlatching of Throttle Opening Control unit controls motor car engine throttle.
Principle of work of the present utility model is as follows:
The 24V direct current of automobile is from the positive pole input of diode D1, D1 outputs to field effect transistor through diode, field effect transistor is carried out voltage stabilizing to the power supply of input, after capacitor C 1 and capacitor C 2 filtering, output to integrated circuit U1, integrated circuit U1 carries out step-down to the power supply of input, and output 5V power supply provides working power for the utility model after capacitor C 4 and capacitor C 5 filtering.
The integrated circuit U2 of signal processor is arranged on the opposite of rotating magnet for the Hall element unit, the gas pedal rotating shaft of rotating magnet and automobile links, driver's pin accelerator pedal, when rotating magnet rotates at opposite, Hall element unit non-contact type, Hall element unit cutting magnetic line is sensed the voltage signal of variation, handle through the microprocessor and the digital signal processing circuit that are integrated in the Hall element unit, the output linear voltage arrives the E-Gas control module of motor car engine, and is changed the working condition of engine by the E-Gas control module.This non-contact type automobile electric gasoline throttle pedal position sensor has improved the accuracy and the reliability of contactless angular displacement sensor and has prolonged its serviceable life.
Claims (2)
1. non-contact type automobile electric gasoline throttle pedal position sensor is characterized in that: it comprises that the magnetic signal that will receive converts the electric signal line data of going forward side by side to and handles the signal processor of back output control signal; It also is included as the power circuit that complete machine provides power supply, the output termination signal processor of this circuit.
2. according to the described non-contact type automobile electric gasoline throttle pedal position sensor of claim 1, it is characterized in that said signal processor is: 1 pin of integrated circuit U2 connects an end, 6 pin and 8 pin that 5 pin of integrated circuit U1,2 pin and 3 pin and 4 pin ground connection, 7 pin connect capacitor C 6 and connects the Throttle Opening Control unit that the other end of capacitor C 6 and ground, 5 pin output a control signal to motor car engine; The model of above-mentioned integrated circuit U2 is MLX90316A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200348692U CN201503258U (en) | 2009-09-30 | 2009-09-30 | Non-contact electronic accelerator pedal position sensor for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200348692U CN201503258U (en) | 2009-09-30 | 2009-09-30 | Non-contact electronic accelerator pedal position sensor for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201503258U true CN201503258U (en) | 2010-06-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200348692U Expired - Fee Related CN201503258U (en) | 2009-09-30 | 2009-09-30 | Non-contact electronic accelerator pedal position sensor for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201503258U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514485A (en) * | 2011-11-12 | 2012-06-27 | 凯迈(洛阳)机电有限公司 | Electronic throttle driving circuit |
| CN103887969A (en) * | 2014-03-04 | 2014-06-25 | 东莞博用电子科技有限公司 | High-voltage power supply circuit applied to integrated circuit |
| CN105242636A (en) * | 2015-09-28 | 2016-01-13 | 芜湖日升重型机床有限公司 | PLC-based precision cutting numerical control machine tool |
| CN106441078A (en) * | 2016-08-29 | 2017-02-22 | 常州特斯克车镜有限公司 | Accelerator pedal sensor for rearview windows |
| CN106441079A (en) * | 2016-08-29 | 2017-02-22 | 常州特斯克车镜有限公司 | Contactless angular transducer for rearview mirrors |
| CN106640384A (en) * | 2016-10-21 | 2017-05-10 | 江苏斯洛通电子科技有限公司 | Non-contact type hand and foot integrated waterproof electronic throttle |
| CN107179044A (en) * | 2016-03-11 | 2017-09-19 | 宝沃汽车（中国）有限公司 | The determination method and apparatus of electric automobile and efp start bit |
-
2009
- 2009-09-30 CN CN2009200348692U patent/CN201503258U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514485A (en) * | 2011-11-12 | 2012-06-27 | 凯迈(洛阳)机电有限公司 | Electronic throttle driving circuit |
| CN102514485B (en) * | 2011-11-12 | 2015-10-07 | 凯迈(洛阳)机电有限公司 | A kind of electronic throttle driving circuit |
| CN103887969A (en) * | 2014-03-04 | 2014-06-25 | 东莞博用电子科技有限公司 | High-voltage power supply circuit applied to integrated circuit |
| CN105242636A (en) * | 2015-09-28 | 2016-01-13 | 芜湖日升重型机床有限公司 | PLC-based precision cutting numerical control machine tool |
| CN107179044A (en) * | 2016-03-11 | 2017-09-19 | 宝沃汽车（中国）有限公司 | The determination method and apparatus of electric automobile and efp start bit |
| CN107179044B (en) * | 2016-03-11 | 2019-06-11 | 北汽福田汽车股份有限公司 | The determination method and apparatus of electric car and efp start bit |
| CN106441078A (en) * | 2016-08-29 | 2017-02-22 | 常州特斯克车镜有限公司 | Accelerator pedal sensor for rearview windows |
| CN106441079A (en) * | 2016-08-29 | 2017-02-22 | 常州特斯克车镜有限公司 | Contactless angular transducer for rearview mirrors |
| CN106640384A (en) * | 2016-10-21 | 2017-05-10 | 江苏斯洛通电子科技有限公司 | Non-contact type hand and foot integrated waterproof electronic throttle |
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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: 20100609 Termination date: 20110930 |