CN101524962A - Clutch operating system - Google Patents
Clutch operating system Download PDFInfo
- Publication number
- CN101524962A CN101524962A CN200910134476A CN200910134476A CN101524962A CN 101524962 A CN101524962 A CN 101524962A CN 200910134476 A CN200910134476 A CN 200910134476A CN 200910134476 A CN200910134476 A CN 200910134476A CN 101524962 A CN101524962 A CN 101524962A
- Authority
- CN
- China
- Prior art keywords
- clutch
- valve
- switch valve
- working cylinder
- stroke
- 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.)
- Granted
Links
Images
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a clutch operating system which comprises a clutch pedal, a control unit, a working cylinder, an air cylinder, a switch valve and a pressure regulating valve. The air cylinder is used as an air source for the whole system; the clutch pedal is electrically connected with the control unit; the working cylinder is connected with the switch valve and the pressure regulating valve; the control unit is connected with the switch valve and a control end of the pressure regulating valve; the switch valve is connected in parallel with the pressure regulating valve, and the two ends of a parallel gas path are respectively connected with the air cylinder and the working cylinder; the control unit is used for sending out a control signal to the switch valve and the pressure regulating valve to regulate the stroke of the working cylinder according to the stroke of the clutch pedal and the detected current stroke or pressure of the cylinder, therefore, the clutch is separated or conjugated complying with the action of the clutch pedal. The clutch operating system adopts pure pneumatic technology, totally spurns oil path and has the advantages of high reliability and pollution-free. The parallel use of the switch valve and the pressure regulating valve guarantees the response speed of the system by the switch valve and control the precision of the system by the pressure regulating valve.
Description
Technical field
The present invention relates to controller of vehicle, relate in particular to a kind of clutch operating system.
Background technology
Current heavy automobile clutch maneuvering system extensively adopts the air pressure assisted mode of hydraulic actuated.In use, problems such as leakage of oil and hydraulic efficiency pressure system air inlet take place often, and then influence disengaging of clutch, fault rate is higher.
Summary of the invention
At the defective of prior art, the purpose of this invention is to provide a kind of pneumatic entirely and can be fast, the clutch operating system of accuracy control.
Clutch operating system of the present invention comprises: pedal of clutch, control unit, working cylinder, air receiver, switch valve and pressure regulating valve, and wherein: air receiver is as the gas source of total system; Pedal of clutch is electrically connected with control unit; Working cylinder is connected with the admission port or the air extractor duct of switch valve, pressure regulating valve; Control unit is connected with the control end of switch valve, pressure regulating valve; Described switch valve is in parallel with pressure regulating valve, and the two ends of described gas circuit in parallel are connected with working cylinder with air receiver respectively; Described control unit is used for the stroke according to pedal of clutch, and according to detected front air cylinder stroke or the pressure of working as, send control signal to switch valve and pressure regulating valve, regulate the working cylinder stroke, make power-transfer clutch separate or engage with the action of pedal of clutch.
In preferred scheme in good time, described system also comprises the pedal displacement sensor that is positioned at the pedal of clutch below, described pedal displacement sensor is used to detect the stroke of pedal of clutch, and by described pedal displacement sensor, pedal of clutch is electrically connected with control unit.
In preferred scheme in good time, described switch valve comprises first switch valve and second switch valve, described first switch valve and the parallel connection of second switch valve, wherein first switch valve is a normally closed valve, described normally closed valve one end is connected with working cylinder, the other end is connected with air receiver, and pressure air entered working cylinder by air receiver when described normally closed valve was switched on; The second switch valve is a normally open valve, and described normally open valve one end is connected with working cylinder, and the other end is connected with atmosphere, and working cylinder was disconnected with being connected of atmosphere when described normally open valve was switched on.
In preferred scheme in good time, described system also comprises the baroceptor that is used for testing cylinder internal gas pressure, and described baroceptor is installed on the gas circuit of working cylinder.
In preferred scheme in good time, described system also comprises the stroke sensor of the piston stroke that is used for the testing cylinder, and described stroke sensor is installed on the working cylinder.
In preferred scheme in good time, the pedal displacement sensor is a noncontacting proximity sensor.
In preferred scheme in good time, regulate the working cylinder stroke and comprise: when the current stroke of working cylinder or the difference between atmospheric pressure value and the expected value during less than predetermined value, only by regulating pressure regulating valve Control work cylinder stroke, switch valve is closed; When the difference between the stroke in the cylinder or atmospheric pressure value and the expected value during, simultaneously pressure regulating valve and switch valve are regulated greater than predetermined value.
The present invention takes pure pneumatics in clutch operating system, abandon oil circuit fully, reaches reliability height, free of contamination requirement.
In the present invention, the pressure regulating valve use in parallel that the switch valve of big flow is high with control accuracy had both guaranteed the speed of response of system by switch valve, guaranteed the control accuracy of system again by pressure regulating valve, and equipment cost is low, reliability is higher, is convenient to realize industrialization more.
Further, adopt noncontacting proximity sensor in the present invention, can be so that prolong the service life of equipment, and be convenient to integrated more.
Description of drawings
Fig. 1 is the clutch operating system structural representation of one embodiment of the present invention;
Fig. 2 is the clutch operating system structural representation of another embodiment of the present invention.
The specific embodiment
As shown in Figure 1, the clutch operating system of one embodiment of the present invention comprises pedal of clutch 1, pedal displacement sensor 2, control unit 3, working cylinder displacement pickup 41, single-acting working cylinder 5, pressure regulating valve 6, high- speed switch valve 7,8, the connection line between air receiver 9 and the above-mentioned parts.Wherein:
Pedal of clutch 1 is electrically connected with control unit 3.The driver controls by the power-transfer clutch of 1 pair of vehicle of disengage the clutch.The stroke of pedal of clutch 1 then is one of important parameter that the stroke in the working cylinder 5 is controlled.
The stroke of pedal of clutch 1 can be by various existing sensors collections, and in the present embodiment, pedal displacement sensor 2 is used to gather the stroke of pedal of clutch 1, and the displacement signal that collects can be sent to control unit 3 by cable.Pedal displacement sensor 2 can adopt various suitable sensors, preferably, adopts noncontacting proximity sensor, for example Hall element etc.
The admission port of working cylinder 5 is connected with the admission port or the air extractor duct of switch valve, pressure regulating valve, and the piston of working cylinder 5 is connected with power-transfer clutch, along with the motion of piston, and disengaging of clutch or joint.Working cylinder displacement pickup 41 is installed on the working cylinder 5, and working cylinder displacement pickup 41 is sent the stroke signal of working cylinder 5 into control unit 3.Selectively, working cylinder displacement pickup 41 also can be replaced by the working cylinder pressure sensor.No matter adopts pressure sensor or displacement pickup all are in order to obtain the current stroke signal of working cylinder, so that form closed loop with the clutch-pedal travel signal.
Described switch valve 7,8 is a high-speed switch valve, and is in parallel with pressure regulating valve 6.The two ends of described gas circuit in parallel are connected with working cylinder 5 with air receiver 9 respectively.As shown in the figure, first switch valve 7 is a normally closed valve, an end and air receiver 9, and the other end is connected with working cylinder 5, if energising, air enters working cylinder 5 by air receiver 9; Second switch valve 8 is a normally open valve, and an end is connected with working cylinder 5, and the other end communicates with atmosphere, if energising, working cylinder was disconnected with being connected of atmosphere.
Fig. 2 is the clutch operating system structural representation of another embodiment of the present invention.As shown in the figure, clutch operating system comprises pedal of clutch 1, pedal displacement sensor 2, control unit 3, working cylinder baroceptor 42, single-acting working cylinder 5, pressure regulating valve 6, high- speed switch valve 7,8, the connection line between air receiver 9 and the above-mentioned parts.In the present embodiment, replace working cylinder displacement pickup 41 with working cylinder baroceptor 42, cylinder baroceptor 42 is installed on the gas circuit of working cylinder 5, so that can sensing air pressure.
Pedal of clutch 1 is electrically connected with control unit 3.The driver controls by the power-transfer clutch of 1 pair of vehicle of disengage the clutch.The stroke of pedal of clutch 1 then is one of important parameter that the stroke in the working cylinder 5 is controlled.
The stroke of pedal of clutch 1 can be by various existing sensors collections, and in the present embodiment, pedal displacement sensor 2 is used to gather the stroke of pedal of clutch 1, and the displacement signal that collects can be sent to control unit 3 by cable.Pedal displacement sensor 2 can adopt various suitable sensors, preferably, adopts noncontacting proximity sensor, for example Hall element etc.
Wherein, the admission port of working cylinder 5 is connected with the admission port or the air extractor duct of switch valve, pressure regulating valve, and the piston of working cylinder 5 is connected with power-transfer clutch, along with the motion of piston, and disengaging of clutch or joint.Working cylinder baroceptor 42 is installed on working cylinder 5 admission ports, and working cylinder baroceptor 42 is sent the air pressure signal of working cylinder 5 into control unit 3.
Described switch valve 7,8 is a high-speed switch valve, and is in parallel with pressure regulating valve 6.The two ends of described gas circuit in parallel are connected with working cylinder 5 with air receiver 9 respectively.As shown in the figure, first switch valve 7 is a normally closed valve, an end and air receiver 9, and the other end is connected with working cylinder 5, if energising, air enters working cylinder 5 by air receiver 9; Second switch valve 8 is a normally open valve, and an end is connected with working cylinder 5, and the other end communicates with atmosphere, if energising, working cylinder was disconnected with being connected of atmosphere.
Working process of the present invention is as follows:
Chaufeur is when stepping on dynamic clutch pedal 1, and the pedal displacement sensor 2 that is installed in pedal of clutch 1 below is gathered stroke signal, and stroke signal is passed to control unit 3, and according to clutch-pedal travel, control unit 3 calculates the cylinder target stroke.Working cylinder displacement pickup 41 is fed detected cylinder stroke or working cylinder baroceptor 42 detected cylinder barometric informations to control unit 3, makes control unit 3 can obtain the stroke of current cylinder piston, thereby carries out closed loop control.Control unit 3 can use pid control algorithm to send control signal to pressure regulating valve 6 and high- speed switch valve 7,8, regulates the working cylinder stroke, makes power-transfer clutch separate with the action of pedal of clutch or engages.
In the present invention, if the difference between working cylinder 5 current strokes or atmospheric pressure value and the expected value less than predetermined value, this maneuvering system only by regulating pressure regulating valve 6 Control work cylinder strokes, close simultaneously by switch valve 7,8; In case stroke in the cylinder or the difference between atmospheric pressure value and the expected value are greater than predetermined value, the simple less pressure regulating valve 6 of use traffic can not satisfy the demand of speed of response, open pressure regulating valve and switch valve this moment simultaneously, pressure regulating valve 6 and high- speed switch valve 7,8 cooperatively interact and regulate, with speed of response and the precision that guarantees power-transfer clutch simultaneously, suitable gaseous tension is provided, realizes the separation bonding operation of clutch driven disc.
Although the present invention is described by above-mentioned preferred embodiment, its way of realization is not limited to above-mentioned embodiment.Should be realized that under the situation that does not break away from purport of the present invention those skilled in the art can make different variations and modification to the present invention.
Claims (7)
1, a kind of clutch operating system is characterized in that, described system comprises: pedal of clutch, control unit, working cylinder, air receiver, switch valve and pressure regulating valve, wherein:
Air receiver is as the gas source of total system;
Pedal of clutch is electrically connected with control unit;
Working cylinder is connected with switch valve, pressure regulating valve;
Control unit is connected with the control end of switch valve, pressure regulating valve;
Described switch valve is in parallel with pressure regulating valve, and the two ends of described pressure regulating valve are connected with working cylinder with air receiver respectively;
Described control unit is used for the stroke according to pedal of clutch, and according to detected front air cylinder stroke or the pressure of working as, send control signal to switch valve and pressure regulating valve, regulate the working cylinder stroke, make power-transfer clutch separate or engage with the action of pedal of clutch.
2, clutch operating system according to claim 1, it is characterized in that, described system also comprises the pedal displacement sensor that is positioned at the pedal of clutch below, described pedal displacement sensor is used to detect the stroke of pedal of clutch, by described pedal displacement sensor, pedal of clutch is electrically connected with control unit.
3, clutch operating system according to claim 1 and 2, it is characterized in that, described switch valve comprises first switch valve and second switch valve, described first switch valve and the parallel connection of second switch valve, wherein first switch valve is a normally closed valve, described normally closed valve one end is connected with working cylinder, and the other end is connected with air receiver, and pressure air entered working cylinder by air receiver when described normally closed valve was switched on; The second switch valve is a normally open valve, and described normally open valve one end is connected with working cylinder, and the other end is connected with atmosphere, and working cylinder was disconnected with being connected of atmosphere when described normally open valve was switched on.
4, clutch operating system according to claim 3 is characterized in that, described system also comprises the baroceptor that is used for testing cylinder internal gas pressure, and described baroceptor is installed on the working cylinder.
5, clutch operating system according to claim 3 is characterized in that, described system also comprises the stroke sensor of the piston stroke that is used for the testing cylinder, and described stroke sensor is installed on the working cylinder.
6, clutch operating system according to claim 1 is characterized in that, the pedal displacement sensor is a noncontacting proximity sensor.
7, clutch operating system according to claim 1, it is characterized in that, regulating the working cylinder stroke comprises: when the current stroke of working cylinder or the difference between atmospheric pressure value and the expected value during less than predetermined value, only by regulating pressure regulating valve Control work cylinder stroke, switch valve is closed; When the difference between the stroke in the cylinder or atmospheric pressure value and the expected value during, simultaneously pressure regulating valve and switch valve are regulated greater than predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101344763A CN101524962B (en) | 2009-04-17 | 2009-04-17 | Clutch operating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101344763A CN101524962B (en) | 2009-04-17 | 2009-04-17 | Clutch operating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101524962A true CN101524962A (en) | 2009-09-09 |
| CN101524962B CN101524962B (en) | 2012-07-04 |
Family
ID=41093088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101344763A Expired - Fee Related CN101524962B (en) | 2009-04-17 | 2009-04-17 | Clutch operating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101524962B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135143A (en) * | 2011-04-06 | 2011-07-27 | 重庆长安汽车股份有限公司 | Pure aerodynamic AMT clutch control system |
| CN103195842A (en) * | 2013-04-15 | 2013-07-10 | 江西博能上饶客车有限公司 | Automatic clutch control system |
| CN103587416A (en) * | 2013-11-06 | 2014-02-19 | 瑞立集团瑞安汽车零部件有限公司 | Gas boosting clutch operation system |
| CN104141785A (en) * | 2014-06-27 | 2014-11-12 | 北京理工大学 | Fault diagnosis method and system for automatic shift control system of AMT (Automatic Mechanical Transmission) heavy vehicle |
| CN104565129A (en) * | 2015-01-09 | 2015-04-29 | 安徽安凯汽车股份有限公司 | Passenger car electrically controlled clutch separating system and control method thereof |
| CN104632940A (en) * | 2014-12-16 | 2015-05-20 | 威伯科汽车控制系统（中国）有限公司 | Electronic control pneumatic type clutch control system and method |
| CN109139742A (en) * | 2018-10-11 | 2019-01-04 | 长春东离合器股份有限公司苏州研发中心 | vehicle clutch control system |
| CN111868406A (en) * | 2018-03-19 | 2020-10-30 | 五十铃自动车株式会社 | Clutch control device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU177540B (en) * | 1977-12-30 | 1981-11-28 | Autoipari Kutato Intezet | Control-operating device formain friction clutch of a vehicle |
| FR2506876A1 (en) * | 1981-05-26 | 1982-12-03 | Daikin Mfg Co Ltd | PNEUMATIC CLUTCH FOR MOTOR VEHICLES, ESPECIALLY FOR HEAVY VEHICLES |
| DE4018600A1 (en) * | 1989-06-14 | 1990-12-20 | Zahnradfabrik Friedrichshafen | Auxiliary power operated gear changing unit for motor vehicle drive - has gear selector and gear change controlled by driver across clutch operation at pedal |
| GB9503219D0 (en) * | 1995-02-18 | 1995-04-05 | Eaton Corp | Control method/system for pneumatically actuated clutch |
| CN2906199Y (en) * | 2006-05-31 | 2007-05-30 | 清华大学 | Automatic clutch for tandem type hybrid power assist power unit |
| CN201187539Y (en) * | 2008-05-08 | 2009-01-28 | 北汽福田汽车股份有限公司 | Clutch electric control steering mechanism of vacuum power source and clutch for automobile |
-
2009
- 2009-04-17 CN CN2009101344763A patent/CN101524962B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135143A (en) * | 2011-04-06 | 2011-07-27 | 重庆长安汽车股份有限公司 | Pure aerodynamic AMT clutch control system |
| CN103195842A (en) * | 2013-04-15 | 2013-07-10 | 江西博能上饶客车有限公司 | Automatic clutch control system |
| CN103587416A (en) * | 2013-11-06 | 2014-02-19 | 瑞立集团瑞安汽车零部件有限公司 | Gas boosting clutch operation system |
| CN103587416B (en) * | 2013-11-06 | 2015-12-23 | 瑞立集团瑞安汽车零部件有限公司 | A kind of gas power-assisted clutch maneuvering system |
| CN104141785A (en) * | 2014-06-27 | 2014-11-12 | 北京理工大学 | Fault diagnosis method and system for automatic shift control system of AMT (Automatic Mechanical Transmission) heavy vehicle |
| CN104632940A (en) * | 2014-12-16 | 2015-05-20 | 威伯科汽车控制系统（中国）有限公司 | Electronic control pneumatic type clutch control system and method |
| CN104632940B (en) * | 2014-12-16 | 2017-12-15 | 威伯科汽车控制系统（中国）有限公司 | Electric-controlled pneumatic type clutch control system and control method |
| CN104565129A (en) * | 2015-01-09 | 2015-04-29 | 安徽安凯汽车股份有限公司 | Passenger car electrically controlled clutch separating system and control method thereof |
| CN104565129B (en) * | 2015-01-09 | 2017-09-26 | 安徽安凯汽车股份有限公司 | A kind of car electric control clutch piece-rate system and its control method |
| CN111868406A (en) * | 2018-03-19 | 2020-10-30 | 五十铃自动车株式会社 | Clutch control device |
| CN109139742A (en) * | 2018-10-11 | 2019-01-04 | 长春东离合器股份有限公司苏州研发中心 | vehicle clutch control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101524962B (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101524962B (en) | Clutch operating system | |
| CN101341343B (en) | Method for detecting leakage of clutch cylinder | |
| CN102282517B (en) | For the method and apparatus controlling fluid operated actuator | |
| CN106740767B (en) | The parking brake system of dumper | |
| CN1876456A (en) | Double pipe electrically-controlled trailer brake valve | |
| CN103511365A (en) | Hot rolling mill rolling control system used for improving rolling accuracy | |
| CN101852666B (en) | Testing device for parking brake lever | |
| CN102135143A (en) | Pure aerodynamic AMT clutch control system | |
| CN100594310C (en) | System for declutching indication and abrasion alarm | |
| CN101836088A (en) | Position detecting device and controller used for the same | |
| CN109027215B (en) | Automatic gear shifting system capable of reducing vehicle braking frequency and working method thereof | |
| CN102979835B (en) | Driving device of double-mode clutch | |
| CN109306909A (en) | With adjustable hydraulic press for squeezing volume, the transmission mechanism component with hydraulic press and for controlling transmission mechanism component method | |
| CN102799194A (en) | Servo control method, apparatus and system | |
| CN102596598B (en) | Device for the sensor-based detection of a pressure difference in a working line through which compressed air flows | |
| CN2818263Y (en) | Electrically-controlled double-pipeline brake valve of trailer | |
| CN107781321A (en) | A kind of clutch controller and control method | |
| CN201680974U (en) | Device for testing parking brake control lever | |
| CN112178181B (en) | Gas circuit structure for actuating mechanism of AMT (automated mechanical transmission) | |
| CN201694186U (en) | Single vehicle brake sensitivity detector for railway vehicles | |
| CN104235234A (en) | Clutch stroke monitoring system | |
| CN204140701U (en) | Travel of clutch supervisory system | |
| CN208634355U (en) | The more gear speed change devices of agricultural tillage machine fluid drive | |
| CN201696398U (en) | Water medium throttle valve speed regulation device | |
| CN203322099U (en) | AMT gearbox clutch pneumatic actuating mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20200417 |