CN101738315A - Clutch position detecting switch and position detecting method for hybrid electric vehicle - Google Patents
Clutch position detecting switch and position detecting method for hybrid electric vehicle Download PDFInfo
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- CN101738315A CN101738315A CN200910265314A CN200910265314A CN101738315A CN 101738315 A CN101738315 A CN 101738315A CN 200910265314 A CN200910265314 A CN 200910265314A CN 200910265314 A CN200910265314 A CN 200910265314A CN 101738315 A CN101738315 A CN 101738315A
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- 230000000295 complement effect Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000011664 signaling Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract 1
- 238000004092 self-diagnosis Methods 0.000 abstract 1
- 230000003245 working effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention specifically discloses a clutch position detecting switch and a position detecting method for a hybrid electric vehicle. The clutch position detecting switch comprises a single-pole single-throw switch and a triode circuit, wherein the single-pole single-throw switch controls the on and off of a triode, and two groups of complementary signals serving as position signals of a clutch are output by using on and off of the triode. Due to the working property of the triode, the stage switching time of the switch is stable and less than 1ms; and the switch has the advantages of high reliability, self-diagnosis function, simple structure, easy arrangement and installation and low cost.
Description
Technical field
The invention belongs to the mixed power electric car field, particularly relate to clutch pedal position pick-up unit technical field, be specifically related to a kind of being applied on the hybrid vehicle, the clutch position pick-up unit and the detection method of band self-diagnostic function.
Background technology
Along with becoming increasingly conspicuous of global environment and energy problem, the new automobile of exploitation low emission, low oil consumption becomes the top priority of current automobile industry development.The mixed power electric car technology has been avoided the deficiency of pure electric automobile on battery technology and energy infrastructure, is a current good scheme of dealing with problems, and has become the focus of current international automobile research and development.
General mixed power electric car all has the automatic start-stop function; promptly when idling is waited for; whether hybrid power car load control module (HCU) can satisfy the engine shutdown condition by the real-time judge vehicle; if satisfy; HUC can send instructions and to control unit of engine (ECU) engine be cut off; to save oil plant, reduce discharging.Behind engine shutdown; if certain moment HCU detects the enabled instruction that vehicle has not satisfied the engine shutdown condition or received the driver; then can utilize the motor of hybrid power system to start vehicle; replace traditional Starting mode; vehicle can restart apace like this, avoids the vehicle launch hold-up time long.The clutch state of vehicle is as judging one of essential condition that engine idle is shut down and restarted in the hybrid power integrated vehicle control tactics, the reliability of its signal all has very large influence to normal operation of vehicle and safety.Therefore, a kind of clutch position switch that possesses high reliability and self-diagnostic function of exploitation is what to be necessary very much with market outlook.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of mixed power electric car clutch position pick-up unit and method for detecting position thereof, this device can be adapted to the complicated electromagnetic interference environment of mixed power electric car, possesses the requirement of high reliability and self-diagnostic function.
The present invention specifically discloses a kind of clutch position detector switch, comprise single-pole single-throw switch (SPST) and transistor circuit, ending and conducting of single-pole single-throw switch (SPST) control triode, ending of utilization triode exported two groups of complementary signals with conducting, as the position signalling of clutch coupling.
Further, one termination, first signal output part of single-pole single-throw switch (SPST) also connects the base stage of triode simultaneously, and the collector of triode connects the secondary signal output terminal, first signal output part and secondary signal output terminal are exported two groups of complementary signals, as the position signalling of clutch coupling; Another termination first ground connection output terminal of single-pole single-throw switch (SPST), the emitter of triode connects the second ground connection output terminal.
Further, first signal output part and secondary signal output terminal are drawn high processing as the outside, when clutch pedal is not floored, the first signal output part output low level, the secondary signal output terminal is output as high level, when clutch pedal is floored, the first signal output part output low level, secondary signal output terminal output high level.
Wherein, an end of single-pole single-throw switch (SPST) is connected to the base stage of triode by a resistance and a diode.The base stage of triode is connected to the first ground connection output terminal by an electric capacity.
The invention also discloses the method that clutch position detects, it is characterized in that: HCU receives the signal of first signal output part, and ECU receives the signal of secondary signal output terminal, carries out following processing:
When judging that first signal is a low level, when secondary signal is high level, determine that clutch pedal do not floor;
When judging that first signal is a high level, when secondary signal is low level, determine that clutch pedal floors;
When judging that first signal and secondary signal all be high level or when all be low level, determine detector switch inefficacy or damage.
Wherein, before carrying out result's judgement, at first carry out data consistency and judge.Described data consistency is judged as, and ECU negates secondary signal and delivers to HCU after handling and first signal compares, and thinks the switch operate as normal when data are identical, when data are not thought switch failure or damage simultaneously.
The present invention has following advantage and beneficial effect:
1, utilizes the operating characteristic of triode, on off state switching time is stable and less than 1ms, high reliability, high serviceable life (greater than 1000000 times) etc., and the middle transition state greater than 1ms can not appear in two groups of complementary signals guaranteeing the output of clutch position switch;
2, the mechanical part of clutch position switch only need be designed to the SPST structure, greatly reduces the complexity of its inner structure, helps realizing requiring in conformity of production and high serviceable life (greater than 500000 times).
3, possess high reliability and self-diagnostic function, simple in structure, be easy to arrange, install that cost is low.
Description of drawings
Fig. 1: be clutch position on-off principle synoptic diagram;
Fig. 2: be clutch position switch diagnosis policy synoptic diagram.
Embodiment
Introduce the embodiment of the present invention on mixed power electric car below in conjunction with accompanying drawing.
Employing single-pole single-throw switch (SPST) (SPST) and transistor circuit combination, its principle use ending of triode to export two groups of complementary signals with conducting as shown in Figure 1, and SPST is used for controlling ending and conducting of triode.The mode of operation of clutch position switch is provided with as shown in the table:
The clutch position switch is electrically connected description: switch connection-peg C, D terminal ground connection, and switching signal A delivers to HCU in the road, and B delivers to ECU in the road, and A, B terminal are drawn high processing as the outside, and promptly switch connection is that low level is effective.
Clutch position switch job description: before clutch pedal is not floored, be that clutch coupling is when being in fully released state, the clutch position switch is not triggered, this moment, SPST was an on-state, terminal A, C connect, and switching signal A is a low level, and triode Q is in cut-off state, not conducting of terminal B, D, switching signal B is a high level; Clutch pedal is floored, and when promptly clutch coupling was in complete released state, the clutch position switch was triggered, this moment, SPST was an off-state, and terminal A, C disconnect, and switching signal A is a high level, triode Q is in conducting state, and terminal B, D connect, and switching signal B is a low level.
As shown in Figure 2:
When switch does not trigger, terminal A, C connect B, C and disconnect, the A road signal of delivering to HCU is 0, the B road signal of delivering to ECU is 1, ECU negates the B circuit-switched data and delivers to HCU after handling and the A circuit-switched data compares, think the switch operate as normal when data are identical, and this moment, data were 0, then HCU judges that the vehicular clutch state is separation fully; When data are not thought switch failure or damage simultaneously.When switch triggering, terminal A, C disconnect B, C and connect, the A road signal of delivering to HCU is 1, the B road signal of delivering to ECU is 0, ECU negates the B circuit-switched data and delivers to HCU after handling and the A circuit-switched data compares, think the switch operate as normal when data are identical, and this moment, data were 1, then HCU judges that the vehicular clutch state is separation fully; When data are not thought switch failure or damage simultaneously.
Claims (8)
1. clutch position detector switch, it is characterized in that: comprise single-pole single-throw switch (SPST) and transistor circuit, ending and conducting of single-pole single-throw switch (SPST) control triode, ending of utilization triode exported two groups of complementary signals with conducting, as the position signalling of clutch coupling.
2. clutch position detector switch according to claim 1, it is characterized in that: a termination first signal output part of single-pole single-throw switch (SPST), also connect the base stage of triode simultaneously, the collector of triode connects the secondary signal output terminal, first signal output part and secondary signal output terminal are exported two groups of complementary signals, as the position signalling of clutch coupling; Another termination first ground connection output terminal of single-pole single-throw switch (SPST), the emitter of triode connects the second ground connection output terminal.
3. clutch position detector switch according to claim 2, it is characterized in that: first signal output part and secondary signal output terminal are drawn high processing as the outside, when clutch pedal is not floored, the first signal output part output low level, the secondary signal output terminal is output as high level, when clutch pedal is floored, the first signal output part output low level, secondary signal output terminal output high level.
4. according to claim 2 or 3 described clutch position detector switches, it is characterized in that: an end of single-pole single-throw switch (SPST) is connected to the base stage of triode by a resistance and a diode.
5. according to each described clutch position detector switch of claim 2-4, it is characterized in that: the base stage of triode is connected to the first ground connection output terminal by an electric capacity.
6. adopt each described clutch position detector switch of claim 2-5 to carry out the method that clutch position detects, it is characterized in that: HCU receives the signal of first signal output part, and ECU receives the signal of secondary signal output terminal, carries out following processing:
When judging that first signal is a low level, when secondary signal is high level, determine that clutch pedal do not floor;
When judging that first signal is a high level, when secondary signal is low level, determine that clutch pedal floors;
When judging that first signal and secondary signal all be high level or when all be low level, determine detector switch inefficacy or damage.
7. method according to claim 6 is characterized in that: before carrying out result's judgement, at first carry out data consistency and judge.
8. method according to claim 7, it is characterized in that: described data consistency is judged as, ECU negates secondary signal and delivers to HCU after handling and first signal compares, and thinks the switch operate as normal when data are identical, when data are not thought switch failure or damage simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102653143A CN101738315B (en) | 2009-12-29 | 2009-12-29 | Clutch position detecting switch and position detecting method for hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102653143A CN101738315B (en) | 2009-12-29 | 2009-12-29 | Clutch position detecting switch and position detecting method for hybrid electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101738315A true CN101738315A (en) | 2010-06-16 |
| CN101738315B CN101738315B (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102653143A Active CN101738315B (en) | 2009-12-29 | 2009-12-29 | Clutch position detecting switch and position detecting method for hybrid electric vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525459A (en) * | 2016-06-21 | 2017-12-29 | 舍弗勒技术股份两合公司 | Clutch system for monitoring displacement, PEPS system control device and clutch master cylinder |
| CN109990013A (en) * | 2017-12-18 | 2019-07-09 | 本田技研工业株式会社 | Bidirectional clutch condition checkout gear and the speed changer and vehicle for using the device |
| CN112787650A (en) * | 2020-12-30 | 2021-05-11 | 国网河北省电力有限公司 | Method and device for rapidly judging three-phase position of isolating switch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2117169U (en) * | 1992-04-02 | 1992-09-30 | 陈聪彬 | Electronic monitor for infusion |
| FR2706376B1 (en) * | 1993-06-09 | 1998-11-06 | Volkswagen Ag | Method of automatically controlling a clutch for triggering and interrupting thrust rolling phases in a motor vehicle. |
| DE19633420A1 (en) * | 1995-09-15 | 1997-03-20 | Ebern Fahrzeugtech Gmbh | Clutch control system particularly for motor vehicle |
| CN2544394Y (en) * | 2002-05-24 | 2003-04-09 | 谢浩东 | Wall switch with indication lamp |
| CN201177759Y (en) * | 2008-04-18 | 2009-01-07 | 联伟汽车零部件(重庆)有限公司 | Positioned detection apparatus for automatic welding clamp |
-
2009
- 2009-12-29 CN CN2009102653143A patent/CN101738315B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525459A (en) * | 2016-06-21 | 2017-12-29 | 舍弗勒技术股份两合公司 | Clutch system for monitoring displacement, PEPS system control device and clutch master cylinder |
| CN107525459B (en) * | 2016-06-21 | 2021-06-25 | 舍弗勒技术股份两合公司 | Clutch displacement monitoring system, PEPS system control device and clutch master cylinder |
| CN109990013A (en) * | 2017-12-18 | 2019-07-09 | 本田技研工业株式会社 | Bidirectional clutch condition checkout gear and the speed changer and vehicle for using the device |
| CN112787650A (en) * | 2020-12-30 | 2021-05-11 | 国网河北省电力有限公司 | Method and device for rapidly judging three-phase position of isolating switch |
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| Publication number | Publication date |
|---|---|
| CN101738315B (en) | 2011-12-14 |
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Effective date of registration: 20160712 Address after: 241006 Wuhu economic and Technological Development Zone, Anhui, No. 8 Changchun Road Patentee after: Chery Holding Co., Ltd. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 8 Changchun Road Patentee before: Saic Chery Automobile Co., Ltd. |
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Address after: 241006 Changchun Road, Wuhu economic and Technological Development Zone, Anhui 8 Patentee after: Chery Holdings Limited Address before: 241006 Changchun Road, Wuhu economic and Technological Development Zone, Anhui 8 Patentee before: Chery Holding Co., Ltd. |