CN101638056A - Electronic accelerator pedal designed by adopting different physical principles for redundancy design - Google Patents
Electronic accelerator pedal designed by adopting different physical principles for redundancy design Download PDFInfo
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- CN101638056A CN101638056A CN200910063751A CN200910063751A CN101638056A CN 101638056 A CN101638056 A CN 101638056A CN 200910063751 A CN200910063751 A CN 200910063751A CN 200910063751 A CN200910063751 A CN 200910063751A CN 101638056 A CN101638056 A CN 101638056A
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- stretcher
- cpu
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- accelerator pedal
- angular transducer
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Abstract
The invention relates to an electronic accelerator pedal designed by adopting different physical principles for redundancy design, mainly consisting of a support seat (1) with a bottom plate (8), a pedal (3) hinged with the support seat, a spring mechanism leading the pedal to reset and a pressure sensor (12) for detecting the pedal and an angle sensor, wherein a body of the pedal rotates around arotating shaft (2) and is movably connected with the bottom plate (8) by rotating a roller (7) of a bracket (5) in a contact manner; the angle sensor and the pressure sensor convert the angle and thepressure on the pedal into electric signals which are transmitted to a CPU, and the CPU calculates the signals and obtains the openness of the accelerator pedal; and the CPU is arranged on the bottomplate by a circuit board (9). The electronic accelerator pedal has simple structure, high testing precision and good reliability; and the redundancy design can lead the two sensors to be detected mutually, and the sensor can be recognized in time when faults occur, therefore, the reliability of the system can be increased and the safety of the driving can be guaranteed.
Description
Technical field
The present invention relates to sensor, particularly relate to a kind of E-gas that adopts different physical principle Redundancy Design, it is a kind of vehicle electronics acceleration pedal.
Background technology
The conventional engines throttle control is by drag-line (stone dead wire) or pull bar, and an end connects Das Gaspedal (acceleration pedal), other end joint valve interlock plate and working.Control the aperture of throttle gate by the stroke of chaufeur pin accelerator pedal, that is change the sectional area of throttle inflow passage, the suction quantity of regulating driving engine reaches the purpose that changes engine output.Under many operating modes, the mode that the aperture of this throttle gate changes with the aperture of Das Gaspedal consistently is difficult to correspondingly make accurate adjustment.Particularly all the more so under cold start-up, underload and idling operation, can cause economy and the driving performance and the ride comfort decline of automobile, the discharge of poisonous waste amount increases.
Compare with traditional throttle system, no longer include mechanical connection between Das Gaspedal and the throttle gate, the E-gas system has replaced the mechanical transmission mechanism of traditional Das Gaspedal to throttle body with a cover sensor, actr and electronic control unit.It is by sensor measurement accelerator pedal position signal (being the intention of chaufeur), and the electrical motor on electronic control unit calculation process rear drive throttle body rotates, thereby drives the aperture that the throttle gate disc rotates to appointment.Therefore, electronic throttle system can be managed air input of engine by air neatly, improves dynamic property, stationarity, the economy of running car.
Summary of the invention
Technical matters to be solved by this invention is: at problems of the prior art, provide a kind of E-gas that adopts different physical principle Redundancy Design, this E-gas is the Control of Automobile accelerator pedal position accurately.
The present invention solves its technical matters and adopts following technical scheme:
The efp of the different physical principle Redundancy Design of employing provided by the invention, main by the bearing that has base plate, with the stretcher that bearing is hinged and connected, the spring device that stretcher is resetted, and the pressure sensor and the angular transducer composition that detect stretcher.Wherein: the plate body of stretcher rotates around the axis, and links to each other with movable contact of base plate by the roller of swinging mounting; Described angular transducer and pressure sensor are transformed into electric signal respectively with the angle on the stretcher and pressure and are transferred to CPU by data line, and CPU is by calculating the aperture that signal draws Das Gaspedal; CPU is contained on the base plate by circuit card.
The efp of the different physical principle Redundancy Design of employing provided by the invention, it is in the measured automobiles accelerator pedal position and send application in the signal control throttle gate.
The present invention is big in order to overcome traditional throttle pedal control error, and shortcomings such as low-response propose a kind of efp that adopts different physical principle Redundancy Design, and it compared with prior art mainly contains following remarkable result:
1. have diamagnetic interference and waterproof decay resistance.
2. reliability height: because at stretcher and bearing, stretcher and swinging mounting are respectively equipped with two springs that play reset responses, so functional reliability is higher.
3. precision height: owing to be provided with piezoelectric transducer and Hall angular transducer two cover checking systems, it is littler therefore to detect error.
4. adopt full pedal structure, and non-contact angle sensor, piezoelectric transducer and circuit sealing are embedded in the stretcher below, therefore handsome in appearance, water resistance is good, and is easy for installation, and product safety is reliable.In addition, because of described sensor price is lower, measurement range is big, and is insensitive to error caused by temperature, so Control of Automobile accelerator pedal position accurately.
5. use wide: can be widely used in all kinds of autotrucies, passenger vehicle, speciality car, engineering truck and electronlmobil etc.
In a word, the present invention adopts different physical principles to carry out contact and non-contacting sensor Redundancy Design, and is simple in structure, measuring accuracy is high, good reliability.And Redundancy Design can make two sensors detect mutually, can in time be identified when a sensor et out of order, increased the reliability of system to a great extent, ensures traveling security.
Description of drawings
Fig. 1 is a structural front view of the present invention.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the assembly relation scheme drawing of bearing 1 and rotating shaft 2 among Fig. 1.
Fig. 4 is the scantling plan of end cap 1.
Fig. 5 is the constructional drawing of end cap 4.
Fig. 6 is the scheme drawing of circuit card 9.
Among the figure: 1. bearing; 2. rotating shaft; 3. stretcher; 4. end cap; 5. swinging mounting; 6. spoke; 7. roller; 8. base plate; 9. circuit card; 10. data line; 11. retracing spring; 12. pressure sensor; 13. torsion spring; 14. magnet steel; 15. Hall angular transducer; 16. dowel bolt; 17.CPU; 18. output shaft.
The specific embodiment
The efp of the different physical principle Redundancy Design of employing provided by the invention, its structure such as Fig. 1 are to shown in Figure 6: main by the bearing 1 that has base plate 8, the stretcher 3 that is hinged and connected with bearing 1, the spring device that stretcher 3 is resetted, and the pressure sensor 12 and the angular transducer composition that detect stretcher 3.Wherein: an end of stretcher 3 is hinged by rotating shaft 2 and bearing 1, and the plate body of stretcher 32 rotates around the shaft, and rotating shaft 2 links to each other with retracing spring 11, and this spring can make stretcher 3 reset.The projection of the plate body of stretcher 3 links to each other with an end of swinging mounting 5, and the other end of swinging mounting 5 is installed roller 7, and roller 7 is equipped with spoke 6, and this roller moves on base plate 8.Swinging mounting 5 links to each other with torsion spring 13, and stretcher 3 and swinging mounting 5 are resetted.
Described angular transducer and pressure sensor are transformed into electric signal respectively with the angle on the stretcher and pressure and are transferred to CPU by data line, and CPU is by calculating the aperture that signal draws Das Gaspedal.CPU is contained on the base plate 8 by circuit card 9.
Described pressure sensor 12 is contained in stretcher 3 upper surfaces.The signal that this pressure sensor takes place is transferred to circuit card 9 by data line 10.CPU 17 is housed on the circuit card 9.
Described angular transducer adopts Hall angular transducer 15, and it is contained in the little groove of end cap 4 inboards.
Described spring device comprises retracing spring 11 and torsion spring 13, and wherein: retracing spring 11 is contained on the axis body of rotating shaft 2, and this rotating shaft is the axle that bearing 1 and stretcher 3 are hinged and connected.Torsion spring 13 interlocks with the axis body of output shaft 18, and these torsion spring two ends are resisted against on the lower surface of stretcher 3 respectively and on the side of swinging mounting 5.
Hall angular transducer provided by the invention and pressure sensor are worked under same reference voltage, and reference voltage is provided by central controller (ECU).Along with the change of accelerator pedal position, voltage produces corresponding the change, produces reaction thus and quickens the aperture size of stepping on and the voltage signal input ECU of rate of change, and the pressure of while pin can change electric signal into by piezoelectric transducer and be transferred to ECU by data line.
The efp of the different physical principle Redundancy Design of employing provided by the invention, it is in the measured automobiles accelerator pedal position and send application in the signal control throttle gate.
The present invention adopts following method measured automobiles accelerator pedal position and sends the signal control throttle gate:
A kind of is the pressure signal of being gathered stretchers 3 by pressure sensor 12, is converted into electronic signal and is sent to CPU by data line and handles; The another kind of turn signal that adopts Hall angular transducer 15 to gather the magnet steel 14 on the output shafts 18 is converted into electronic signal and is sent to CPU by data line and handles; Detect mutually by these two kinds of sensors, guarantee particularity and reliability of service that CPU calculates, and when a kind of sensor et out of order, can in time be identified, increased the reliability of system to a great extent, the guarantee traveling security.
The voltage signal that Hall angular transducer 15 receives is along with the change of accelerator pedal position produces corresponding the change, produce thus that the aperture size of stepping on is quickened in reaction and the voltage signal of rate of change is imported ECU, pressure sensor changes its pressure into electric signal and is transferred to ECU by data line by detected pressures simultaneously.
Described automobile is meant autotruck, passenger vehicle, speciality car, engineering truck or electronlmobil.
Brief description working process of the present invention.
When pin firmly steps down on the efp, stretcher 32 moves down around the shaft, the piezoelectric transducer 12 on the stretcher 3 was transformed into electric signal with pressure and handled by the CPU17 that data line 10 is transferred on the circuit card 9 this moment, and swinging mounting 5 rotates around output shaft 18 simultaneously, and roller 7 rolls.This moment is because the inner magnet steel 14 of an end of output shaft 18 rotates with output shaft 18, and the Hall angular transducer 15 apart from 2-5mm detects the signal that magnet steel 14 produce at this moment and between the magnet steel 14, and is transferred on the CPU 17 by data line 10 and handles.
When coming loose efp, because bearing 1 and bearing place rotating shaft 2 are hinged, there is retracing spring 11 (Fig. 3) its inside, pedal position is resetted, torsion spring 13 on the output shaft 18 resets simultaneously, the two ends of torsion spring 13 are resisted against on the lower surface of stretcher 3 respectively and on the side of swinging mounting 5, more failure-free resets the efp position.
Claims (9)
1. efp that adopts different physical principle Redundancy Design, it is characterized in that mainly by the bearing that has base plate (8) (1), the stretcher (3) that is hinged and connected with bearing (1), the spring device that stretcher (3) is resetted, and the pressure sensor (12) and the angular transducer that detect stretcher (3) are formed, wherein: the plate body of stretcher (3) (2) around the shaft rotates, and links to each other with movable contact of base plate (8) by the roller (7) of swinging mounting (5); Described angular transducer and pressure sensor are transformed into electric signal respectively with the angle on the stretcher (3) and pressure and are transferred to CPU by data line, and CPU is by calculating the aperture that signal draws Das Gaspedal; CPU is contained on the base plate (8) by circuit card (9).
2. efp according to claim 1 is characterized in that described pressure sensor (12) is contained on the stretcher (3).
3. efp according to claim 1 is characterized in that; Angular transducer adopts Hall angular transducer (15), and it is contained in the aperture in the end cap (4), and this end cap is contained on the stretcher (3) by bolt.
4. efp according to claim 3, it is characterized in that output shaft (18) being housed in end cap (4) activity of going up, end at output shaft (18) has dug aperture, be equipped with in this aperture with the fixing magnet steel (14) of viscose glue, the distance between magnet steel (14) and the Hall angular transducer (15) is 2-5mm.
5. efp according to claim 1, it is characterized in that spring device comprises retracing spring (11) and torsion spring (13), wherein: retracing spring (11) is contained on the axis body of rotating shaft (2), and this rotating shaft is the axle that bearing (1) and stretcher (3) are hinged and connected; The axis body of torsion spring (13) and output shaft (18) interlocks, and these torsion spring two ends are resisted against on the lower surface of stretcher (3) respectively and on the side of swinging mounting (5).
6. purposes according to the described efp of arbitrary claim in the claim 1 to 5 is characterized in that in the measured automobiles accelerator pedal position and sends application in the signal control throttle gate.
7. purposes according to claim 6, it is characterized in that adopting following method measured automobiles accelerator pedal position and sending the signal control throttle gate: a kind of is the pressure signal of being gathered stretcher (3) by pressure sensor (12), is converted into electronic signal and is sent to CPU by data line and handles; The another kind of turn signal that adopts Hall angular transducer (15) to gather the magnet steel (14) on the output shaft (18) is converted into electronic signal and is sent to CPU by data line and handles; Detect mutually by these two kinds of sensors, guarantee particularity and reliability of service that CPU calculates, and when a kind of sensor et out of order, can in time be identified, increased the reliability of system to a great extent, the guarantee traveling security.
8. purposes according to claim 7, it is characterized in that voltage signal that Hall angular transducer (15) receives is along with the change of accelerator pedal position produces corresponding the change, produce thus that the aperture size of stepping on is quickened in reaction and the voltage signal of rate of change is imported ECU, pressure sensor changes its pressure into electric signal and is transferred to ECU by data line by detected pressures simultaneously.
9. purposes according to claim 6 is characterized in that described automobile is meant autotruck, passenger vehicle, speciality car, engineering truck or electronlmobil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910063751A CN101638056A (en) | 2009-08-28 | 2009-08-28 | Electronic accelerator pedal designed by adopting different physical principles for redundancy design |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910063751A CN101638056A (en) | 2009-08-28 | 2009-08-28 | Electronic accelerator pedal designed by adopting different physical principles for redundancy design |
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| Publication Number | Publication Date |
|---|---|
| CN101638056A true CN101638056A (en) | 2010-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910063751A Pending CN101638056A (en) | 2009-08-28 | 2009-08-28 | Electronic accelerator pedal designed by adopting different physical principles for redundancy design |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343817A (en) * | 2011-07-26 | 2012-02-08 | 浙江吉利汽车研究院有限公司 | Stroke-free accelerator pedal device for motor vehicle |
| CN102490608A (en) * | 2011-12-26 | 2012-06-13 | 潍柴动力股份有限公司 | Method and device for determining accelerator pedal information |
| CN103738184A (en) * | 2013-12-31 | 2014-04-23 | 合肥德通电驱动系统有限公司 | Pedal type accelerator for electric vehicle |
| CN103895510A (en) * | 2013-05-06 | 2014-07-02 | 苏州市职业大学 | Safety auxiliary system for automatic speed changing vehicle initial accelerating |
| CN103935242A (en) * | 2014-05-14 | 2014-07-23 | 威廉姆斯(苏州)控制系统有限公司 | High-performance easily-assembled floor type electronic accelerator pedal |
| CN104626982A (en) * | 2013-11-12 | 2015-05-20 | 陕西国力信息技术有限公司 | AMT-based electronic accelerator pedal |
| CN105909410A (en) * | 2016-04-29 | 2016-08-31 | 大连楼兰科技股份有限公司 | Intelligent electronic throttle control system and realization method thereof |
| CN106986126A (en) * | 2017-04-28 | 2017-07-28 | 徐州徐工环境技术有限公司 | Compressor station and its control method, device and system |
| CN107839545A (en) * | 2017-11-17 | 2018-03-27 | 四川大能科技有限公司 | Intelligent gas pedal and electric automobile |
| CN110234548A (en) * | 2017-01-24 | 2019-09-13 | Cts公司 | Position and force sensor module for vehicle brake pedal |
| CN110901382A (en) * | 2019-12-05 | 2020-03-24 | 江苏悦达专用车有限公司 | Protective device for preventing oil door from losing efficacy |
| CN112277845A (en) * | 2020-10-28 | 2021-01-29 | 中国第一汽车股份有限公司 | Vehicle accelerator pedal opening obtaining method, active sound production system and vehicle |
| CN113879120A (en) * | 2021-08-17 | 2022-01-04 | 宁波汽车软轴软管有限公司 | Floor type electronic accelerator pedal assembly |
| CN114295041A (en) * | 2021-12-30 | 2022-04-08 | 皇裕电子科技(扬州)有限公司 | Automobile position sensor and position detection method |
-
2009
- 2009-08-28 CN CN200910063751A patent/CN101638056A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343817B (en) * | 2011-07-26 | 2014-04-16 | 浙江吉利汽车研究院有限公司 | Stroke-free accelerator pedal device for motor vehicle |
| CN102343817A (en) * | 2011-07-26 | 2012-02-08 | 浙江吉利汽车研究院有限公司 | Stroke-free accelerator pedal device for motor vehicle |
| CN102490608A (en) * | 2011-12-26 | 2012-06-13 | 潍柴动力股份有限公司 | Method and device for determining accelerator pedal information |
| CN103895510B (en) * | 2013-05-06 | 2018-02-06 | 苏州市职业大学 | A kind of safety assisting system applied to fluid drive automobile initial acceleration |
| CN103895510A (en) * | 2013-05-06 | 2014-07-02 | 苏州市职业大学 | Safety auxiliary system for automatic speed changing vehicle initial accelerating |
| CN104626982A (en) * | 2013-11-12 | 2015-05-20 | 陕西国力信息技术有限公司 | AMT-based electronic accelerator pedal |
| CN103738184A (en) * | 2013-12-31 | 2014-04-23 | 合肥德通电驱动系统有限公司 | Pedal type accelerator for electric vehicle |
| CN103935242A (en) * | 2014-05-14 | 2014-07-23 | 威廉姆斯(苏州)控制系统有限公司 | High-performance easily-assembled floor type electronic accelerator pedal |
| CN103935242B (en) * | 2014-05-14 | 2017-01-04 | 威廉姆斯(苏州)控制系统有限公司 | High-performance is easily assembled floor type electronic accelerator pedal |
| CN105909410A (en) * | 2016-04-29 | 2016-08-31 | 大连楼兰科技股份有限公司 | Intelligent electronic throttle control system and realization method thereof |
| CN105909410B (en) * | 2016-04-29 | 2018-08-10 | 大连楼兰科技股份有限公司 | Intelligent electric throttle control system and its implementation |
| US20210347340A1 (en) * | 2017-01-24 | 2021-11-11 | Cts Corporation | Position and Force Sensor Assembly for Vehicle Brake Pedal |
| CN110234548A (en) * | 2017-01-24 | 2019-09-13 | Cts公司 | Position and force sensor module for vehicle brake pedal |
| CN110234548B (en) * | 2017-01-24 | 2022-08-23 | Cts公司 | Position and force sensor assembly for a vehicle brake pedal |
| CN106986126A (en) * | 2017-04-28 | 2017-07-28 | 徐州徐工环境技术有限公司 | Compressor station and its control method, device and system |
| CN107839545A (en) * | 2017-11-17 | 2018-03-27 | 四川大能科技有限公司 | Intelligent gas pedal and electric automobile |
| CN110901382A (en) * | 2019-12-05 | 2020-03-24 | 江苏悦达专用车有限公司 | Protective device for preventing oil door from losing efficacy |
| WO2022089533A1 (en) * | 2020-10-28 | 2022-05-05 | 中国第一汽车股份有限公司 | Method for acquiring accelerator pedal opening of vehicle, active sound-generating system and vehicle |
| CN112277845A (en) * | 2020-10-28 | 2021-01-29 | 中国第一汽车股份有限公司 | Vehicle accelerator pedal opening obtaining method, active sound production system and vehicle |
| CN113879120A (en) * | 2021-08-17 | 2022-01-04 | 宁波汽车软轴软管有限公司 | Floor type electronic accelerator pedal assembly |
| CN113879120B (en) * | 2021-08-17 | 2023-03-10 | 宁波汽车软轴软管有限公司 | Floor type electronic accelerator pedal assembly |
| CN114295041A (en) * | 2021-12-30 | 2022-04-08 | 皇裕电子科技(扬州)有限公司 | Automobile position sensor and position detection method |
| CN114295041B (en) * | 2021-12-30 | 2023-11-28 | 皇裕电子科技(扬州)有限公司 | Automobile position sensor and position detection method |
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Application publication date: 20100203 |