CN101614256A - A kind of determination methods of separation initial point of automobile clutch and device - Google Patents
A kind of determination methods of separation initial point of automobile clutch and device Download PDFInfo
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- CN101614256A CN101614256A CN200910305578A CN200910305578A CN101614256A CN 101614256 A CN101614256 A CN 101614256A CN 200910305578 A CN200910305578 A CN 200910305578A CN 200910305578 A CN200910305578 A CN 200910305578A CN 101614256 A CN101614256 A CN 101614256A
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- solenoid directional
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Abstract
A kind of determination methods of separation initial point of automobile clutch and device.This method is on the basis of clutch cylinder proper functioning air pressure gas circuit, and one road 0.01-0.08Mpa lowpressure gas circuit in parallel is judged the skew of the separation initial point that also modifying factor clutch plate wearing and tearing cause automatically by controller.Apparatus of the present invention are simple in structure, and are less demanding to turbidity test.
Description
Technical field
The present invention relates to a kind of determination methods and device of separation initial point of automobile clutch, especially relate to a kind of determination methods and device of automobile mechanical automatic transmission case clutch separation starting point.
Background technique
The judgement of automobile mechanical automatic transmission case clutch separation starting point is extremely important, because the gearbox clutch is always separating, is partly engaging, is engaging in three kinds of states and change at work, when vehicle starting especially, clutch carry out the transition to jointing state from separating continuous motion.Because the clutch plate in the clutch is the attenuation of wearing and tearing gradually at work, its separation initial point is also gradually changing, if the judgement deviation of clutch separation starting point is excessive, will cause shifting shock, clutch plate aggravation wearing and tearing, even can not work.At present, the judgement of clutch separation starting point has the hydraulic transmission determination methods, electric-motor-driving determination methods etc.The apparatus structure complexity of using is judged in hydraulic transmission, and turbidity test require high.The electric-motor-driving judgment technology also has higher requirements.
Summary of the invention
The object of the present invention is to provide a kind of accuracy of judgement, operative installations is simple in structure, automatically the determination methods and the device of the automobile mechanical automatic transmission case clutch separation starting point of the separation initial point skew that causes of modifying factor clutch plate wearing and tearing can both obtain separation initial point information accurately at the whole using process middle controller of clutch plate.
Technological scheme of the present invention is:
The determination methods of the present invention's separation initial point of automobile clutch is: on the basis of clutch cylinder proper functioning air pressure 0.6Mpa gas circuit, the lowpressure gas circuit of one road 0.01-0.08Mpa in parallel, pass through proper functioning air pressure 0.6Mpa gas circuit earlier to the clutch cylinder air feed, make clutch begin to separate, when clutch controller becomes voltage signal by rotary angle transmitter with the corner angular transition, when detecting clutch release travel 1/2, stop to the clutch cylinder air feed, the purpose in this step is to determine whether source of compressed air air pressure can satisfy the needs of judgment task; Then, open outlet valve clutch is engaged fully, because the effect of clutch contained spring, in the engaging process, produce the gap, connect 0.01-0.08Mpa lowpressure gas circuit at each tie point of clutch, to the clutch cylinder air feed, because pressure is low, can not promote clutch separation, can only eliminates each tie point and produce the gap, controller detects the magnitude of voltage of this moment by rotary angle transmitter, this magnitude of voltage is exactly the clutch separation starting point, with its preservation, closes the lowpressure gas circuit; In the subsequent control process, the lowpressure value is during greater than 0.01-0.08Mpa, and clutch is in jointing state, and during less than 0.01-0.08Mpa, clutch is in separated state gradually; Clutch plate is in the course of the work gradually because of the wearing and tearing attenuation, and clutch separation starting point magnitude of voltage can increase gradually, so, when being installed, new clutch plate adjusts rotary angle transmitter, and making clutch magnitude of voltage when separation initial point is 2/3 of maximum voltage value.Also therefore, in whole working life of clutch plate process, clutch controller can both obtain the accurate information of separation initial point, and clutch controller just can control effectively to clutch.For example: to complete separation point, if to the clutch cylinder air feed, when rotary angle transmitter magnitude of voltage during less than the separation point magnitude of voltage, clutch is in complete separated state from separation initial point; If cut off the clutch cylinder air feed, control makes its venting, and the rotary angle transmitter magnitude of voltage is during greater than the separation initial point magnitude of voltage, and clutch is in complete jointing state.
The judgment means of the present invention's separation initial point of automobile clutch comprises rotary angle transmitter, described rotary angle transmitter and the coaxial installation of shift fork rotating shaft; 1# solenoid directional control valve suction port is connected with source of compressed air, and relief opening is connected with 1# reduction valve suction port; 1# reduction valve relief opening is connected with check valve inlet; The one-way valve relief opening is connected with 3# solenoid directional control valve suction port with 2# reduction valve relief opening respectively; 2# solenoid directional control valve suction port is connected with source of compressed air, and relief opening is connected with 2# reduction valve suction port; 3# electromagnetic switch valve outlet, 4# solenoid directional control valve suction port are connected with clutch cylinder;
Rotary angle transmitter is connected with the controller input end, controller output end respectively with the coil of 1# solenoid directional control valve, 2# solenoid directional control valve coil, the coil of 3# solenoid directional control valve and the coil of 4# solenoid directional control valve be connected.
The present invention can judge automatically and the skew of the separation initial point that the wearing and tearing of modifying factor clutch plate cause; In the whole using process of clutch plate, controller can both obtain the accurate information of separation initial point accurately; Apparatus structure is simple, and is less demanding to turbidity test.
Description of drawings
Fig. 1 is separation initial point of automobile clutch judgment means embodiment's of the present invention mechanical structure schematic representation.
Fig. 2 is an electric control theory schematic representation embodiment illustrated in fig. 1.
Clutch state figure when Fig. 3 is the complete exhaust of complete jointing state and clutch cylinder.
Fig. 4 is that complete jointing state clutch cylinder feeds lowpressure gas clutch state figure.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
With reference to Fig. 1: separation initial point of automobile clutch judgment means embodiment of the present invention comprises rotary angle transmitter 6, rotary angle transmitter 6 and the coaxial installation of shift fork 3 rotating shafts; 1# solenoid directional control valve 7 suction ports are connected with source of compressed air, and relief opening is connected with 1# reduction valve 8 suction ports; 1# reduction valve 8 relief openings are connected with one-way valve 9 suction ports; One-way valve 9 relief openings are connected with 3# solenoid directional control valve 12 suction ports with 2# reduction valve 10 relief openings respectively; 2# solenoid directional control valve 11 suction ports are connected with source of compressed air, and relief opening is connected with 2# reduction valve 10 suction ports; 3# solenoid directional control valve 12 relief openings, 4# solenoid directional control valve 13 suction ports are connected with clutch cylinder 4;
As shown in Figure 2, rotary angle transmitter 6 is connected with controller 14 input ends, controller 14 output terminals respectively with the coil 7 of 1# solenoid directional control valve 7 ', the coil 11 of 2# solenoid directional control valve 11 ', the coil 12 of 3# solenoid directional control valve 12 ' with the coil 13 of 4# solenoid directional control valve 13 ' be connected.
1# solenoid directional control valve 7,2# solenoid directional control valve 11,3# solenoid directional control valve 12 and 4# solenoid directional control valve 13 are 22 energising magnetic selector valves.
The electromagnetic switch valve coil gets gas circuit conducting when electric, and gas circuit is cut off during coil losing electricity.1# reduction valve 8 delivery pressures are 0.01-0.08Mpa, and 2# reduction valve 10 delivery pressures are 0.6Mpa, and source of compressed air pressure is 0.6-1Mpa.So, just can obtain the air feed loop of two different pressure by control 1# solenoid directional control valve 7,2# solenoid directional control valve 11, one tunnel proper functioning air pressure is 0.6Mpa, and one road lowpressure air feed loop air pressure is 0.01-0.08Mpa.
The function of rotary angle transmitter 6 is that the corner angular transition is become voltage signal, when the corner angle when clutch changes between the bonding land from being separated to, voltage just changes in 0 volt of-5 volts of scope.
1, controller 14 makes 2# solenoid directional control valve 11,3# solenoid directional control valve 12 must be electric, and proper functioning air pressure 0.6Mpa to the clutch cylinder air feed, makes clutch begin to separate by 2# solenoid directional control valve 11,2 # reduction valve 10,3# solenoid directional control valve 12; When controller 14 by rotary angle transmitter 6 detect clutch release travel 1/2 the time, stop to the clutch cylinder air feed; This measure purpose is to judge whether source of compressed air pressure size can satisfy the requirement of follow-up work.
2, controller 14 make 4# solenoid directional control valve 13 electric, the 13 gas circuit conductings of 4# solenoid directional control valve, cylinder is to atmospheric exhaust because the effect of Returnning spring 5 in the cylinder makes diaphragm spring 2 and shift fork 3 produce gap b, this moment, clutch engaged fully, as shown in Figure 3.
3, controller 14 makes 4# solenoid directional control valve 13 dead electricity, 1# solenoid directional control valve 7,3# solenoid directional control valve 12,1# solenoid directional control valve, the conducting of 3# solenoid directional control valve gas circuit, 0.01-0.08Mpa the lowpressure air feed supply gas to clutch cylinder 4 through 1# solenoid directional control valve 7,1# reduction valve 8,3# solenoid directional control valve 12, because pressure is low, can not promote clutch 1 and separate, just eliminate the gap b (as shown in Figure 4) between diaphragm spring 2 and the shift fork 3; At this moment, rotary angle transmitter 6 has a correspondent voltage signal, and controller 14 detects this voltage and preserves; This magnitude of voltage is exactly clutch 1 separation initial point; Less than this magnitude of voltage is exactly detaching direction, is exactly to engage fully greater than this magnitude of voltage; Along with the clutch growth of 1 operating time, the clutch plate attenuation of wearing and tearing gradually at work, clutch 1 separation initial point magnitude of voltage can become big gradually, so, will adjust rotary angle transmitter 6 when new clutch plate is installed, making clutch 1 voltage when separation initial point is 2/3 (present embodiment is 3 volts) of ceiling voltage, like this, after the clutch plate wearing and tearing, rotary angle transmitter 6 output voltages are also in operating voltage range.All do above-mentioned work when each controller 14 powers on, then during the clutch plate operating life, controller 14 can both obtain a correct separation initial point information.
Claims (2)
1. the determination methods of a separation initial point of automobile clutch, it is characterized in that, on the basis of clutch cylinder proper functioning air pressure 0.6Mpa gas circuit, the lowpressure gas circuit of one road 0.01-0.08Mpa in parallel, pass through proper functioning air pressure 0.6Mpa gas circuit earlier to the clutch cylinder air feed, make clutch begin to separate, when clutch controller becomes voltage signal by rotary angle transmitter with the corner angular transition, when detecting clutch release travel 1/2, stop to the clutch cylinder air feed; Then, opening outlet valve engages clutch fully, in the engaging process, produce the gap, connect 0.01-0.08Mpa lowpressure gas circuit at each tie point of clutch, to the clutch cylinder air feed, eliminate the gap that each tie point produces, controller detects magnitude of voltage at this moment by rotary angle transmitter, and this magnitude of voltage is exactly the clutch separation starting point, with its preservation, close the lowpressure gas circuit; In the subsequent control process, the lowpressure value is during greater than 0.01-0.08Mpa, and clutch is in jointing state, and during less than 0.01-0.08Mpa, clutch is in separated state gradually.
2. an isolated plant of realizing the determination methods of the described separation initial point of automobile clutch of claim 1 is characterized in that, comprises rotary angle transmitter, described rotary angle transmitter and the coaxial installation of shift fork rotating shaft; 1# solenoid directional control valve suction port is connected with source of compressed air, and relief opening is connected with 1# reduction valve suction port; 1# reduction valve relief opening is connected with check valve inlet; The one-way valve relief opening is connected with 3# solenoid directional control valve suction port with 2# reduction valve relief opening respectively; 2# solenoid directional control valve suction port is connected with source of compressed air, and relief opening is connected with 2# reduction valve suction port; 3# electromagnetic switch valve outlet, 4# solenoid directional control valve suction port are connected with clutch cylinder; Rotary angle transmitter is connected with the controller input end, controller output end respectively with the coil of 1# solenoid directional control valve, 2# solenoid directional control valve coil, the coil of 3# solenoid directional control valve and the coil of 4# solenoid directional control valve be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103055787A CN101614256B (en) | 2009-08-13 | 2009-08-13 | Method and device for judging separation initial point of automobile clutch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103055787A CN101614256B (en) | 2009-08-13 | 2009-08-13 | Method and device for judging separation initial point of automobile clutch |
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| CN101614256A true CN101614256A (en) | 2009-12-30 |
| CN101614256B CN101614256B (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009103055787A Active CN101614256B (en) | 2009-08-13 | 2009-08-13 | Method and device for judging separation initial point of automobile clutch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754223A (en) * | 2014-01-03 | 2014-04-30 | 北京智行鸿远汽车技术有限公司 | Method for determining working state of clutch of electric automobile |
| CN106481689A (en) * | 2015-08-24 | 2017-03-08 | 上海汽车集团股份有限公司 | Double clutch linear starting point acquisition methods and device |
-
2009
- 2009-08-13 CN CN2009103055787A patent/CN101614256B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754223A (en) * | 2014-01-03 | 2014-04-30 | 北京智行鸿远汽车技术有限公司 | Method for determining working state of clutch of electric automobile |
| CN103754223B (en) * | 2014-01-03 | 2017-04-12 | 北京智行鸿远汽车技术有限公司 | Method for determining working state of clutch of electric automobile |
| CN106481689A (en) * | 2015-08-24 | 2017-03-08 | 上海汽车集团股份有限公司 | Double clutch linear starting point acquisition methods and device |
| CN106481689B (en) * | 2015-08-24 | 2018-09-11 | 上海汽车集团股份有限公司 | The linear starting point acquisition methods of double clutch and device |
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| Publication number | Publication date |
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| CN101614256B (en) | 2011-01-12 |
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