CN103486245B - A kind of double-clutch hydraulic control system - Google Patents
A kind of double-clutch hydraulic control system Download PDFInfo
- Publication number
- CN103486245B CN103486245B CN201310453727.0A CN201310453727A CN103486245B CN 103486245 B CN103486245 B CN 103486245B CN 201310453727 A CN201310453727 A CN 201310453727A CN 103486245 B CN103486245 B CN 103486245B
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- Prior art keywords
- clutch
- valve
- double
- oil pressure
- main oil
- 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.)
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- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003921 oil Substances 0.000 claims description 92
- 239000010720 hydraulic oil Substances 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
- F16H61/0025—Supply of control fluid; Pumps therefore
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
- F16H61/684—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive
- F16H61/688—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
- F16H2061/0034—Accumulators for fluid pressure supply; Control thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Control Of Transmission Device (AREA)
Abstract
A kind of double-clutch hydraulic control system, is used for the safety problem solving to cause because of double clutch oil circuit or ECU (TCU) fault in vehicle traveling process.It includes oil pump, accumulator, main oil pressure adjustment valve, main oil pressure emergency flight control valve, first clutch, second clutch and double clutch linkage controlling valve, it is in parallel that described main oil pressure emergency flight control valve and main oil pressure regulate valve, and described double clutch linkage controlling valve is connected between the hydraulic circuit of working connection and first clutch, second clutch.The present invention can when double clutch oil circuit control breaks down, start emergency function by external signal or mechanism and ensure that variator has a gear to be in normal operating conditions, automobile is made to enter emergent driving mode, effectively prevent engine power and interrupt dangerous generation, improve the security performance of automobile.
Description
Technical field
The present invention relates to the hydraulic control system of a kind of double-clutch speed changer, especially a kind of double-clutch hydraulic control system with emergency protecting equipment, belong to automotive transmission technical field.
Background technology
Double-clutch speed changer (DCT) is to ensure that automobile gear shift power does not interrupt, and TR is arranged apart according to odd number shelves and even gear, and makes odd number shelves be connected with two clutches respectively with even gear.As shown in Figure 1, in the double-clutch hydraulic control system of existing double-clutch speed changer, first clutch 5, second clutch 6 is controlled respectively by independent oil path, hydraulic oil is after oil pump 1 pumps, regulate valve 3 and accumulator 2 pressure regulation through main oil pressure after, form stable working connection operating oil pressure, when TCU(control unit for automatic shift) when exporting gearshift control signal, namely relevant control electromagnetic valve starts working, working connection fluid enters, by the first electromagnetic valve 4 or the second electromagnetic valve 7, the clutch pressure chamber that (or exiting) is corresponding, to realize this Clutch Control, alternately combining and separating by two groups of clutches, realize gearshift function fast and accurately.
Because existing double-clutch hydraulic control system lacks safety precautions; if run into TCU in vehicle travel process, main oil pressure regulates the situations such as valve 3 breaks down; capital cause engine output power interrupt, cause change speed gear box cannot normal operation, the unmanageable consequence of automobile gears, even cause traffic safety accident.
Summary of the invention
Present invention aims to the drawback of prior art, it is provided that a kind of when TCU, main oil pressure adjustment valve break down, still ensure that engine power continues to export, maintain car emergency and travel, increase the double-clutch hydraulic control system of vehicle safety performance.
Problem of the present invention realizes with following technical proposals:
A kind of double-clutch hydraulic control system, it includes oil pump, accumulator, main oil pressure adjustment valve, main oil pressure emergency flight control valve, first clutch, second clutch and double clutch linkage controlling valve, it is in parallel that described main oil pressure emergency flight control valve and main oil pressure regulate valve, and described double clutch linkage controlling valve is connected between the hydraulic circuit of working connection and first clutch, second clutch；Described double clutch linkage controlling valve is two-bit triplet electromagnetic valve；Described main oil pressure emergency flight control valve is 2/2-way valve.
Above-mentioned double-clutch hydraulic control system, described double clutch linkage controlling valve is the slide valve assembly that electromagnetic valve controls, it includes electromagnetic valve, guiding valve and compression spring, described guiding valve one end is connected with valve core of the electromagnetic valve, the other end is connected with compression spring, and double clutch linkage controlling valve is two-bit triplet electromagnetic valve.
Above-mentioned double-clutch hydraulic control system, described main oil pressure emergency flight control valve is the slide valve assembly that controls of electromagnetic valve or the slide valve assembly of Non-follow control.
Above-mentioned double-clutch hydraulic control system, in normal operating conditions, during first clutch work, hydraulic oil flow route is: oil pump accumulator main oil pressure regulates valve double clutch linkage controlling valve first clutch.
Above-mentioned double-clutch hydraulic control system, in normal operating conditions, during second clutch work, hydraulic oil flow route is: oil pump accumulator main oil pressure regulates valve double clutch linkage controlling valve second clutch.
Above-mentioned double-clutch hydraulic control system, regulates valve at TCU or main oil pressure and breaks down in situation, and during first clutch work, hydraulic oil flow route is: oil pump accumulator main oil pressure emergency flight control valve double clutch linkage controlling valve first clutch.
Above-mentioned double-clutch hydraulic control system, regulates valve at TCU or main oil pressure and breaks down in situation, and during second clutch work, hydraulic oil flow route is: oil pump accumulator main oil pressure emergency flight control valve double clutch linkage controlling valve second clutch.
Above-mentioned double-clutch hydraulic control system, when double clutch linkage controlling valve breaks down, hydraulic oil flow route is: oil pump accumulator main oil pressure regulates valve double clutch linkage controlling valve first clutch, or oil pump accumulator main oil pressure regulates valve double clutch linkage controlling valve second clutch.
Above-mentioned double-clutch hydraulic control system, regulate valve at TCU or main oil pressure to break down, when double clutch linkage controlling valve breaks down simultaneously, hydraulic oil flow route is: oil pump accumulator main oil pressure emergency flight control valve double clutch linkage controlling valve first clutch, or oil pump accumulator main oil pressure emergency flight control valve double clutch linkage controlling valve second clutch.
The present invention passes through double clutch linkage controlling valve and main oil pressure emergency flight control valve combination application, a clutch is in running order to make automotive transmission remain, double clutch control system generation double clutch oil circuit control any be likely to occur fault time, can ensure that variator has a gear to be in normal operating conditions, automobile is made to enter emergent driving mode, effectively prevent engine power and interrupt dangerous generation, improve the security performance of automobile.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the double-clutch hydraulic control system schematic diagram of existing double-clutch speed changer；
Fig. 2 is the double-clutch hydraulic control system schematic diagram of the present invention；
Fig. 3 is the hydraulic oil flow path line chart of first embodiment of the invention；
Fig. 4 is the hydraulic oil flow path line chart of second embodiment of the invention；
Fig. 5 is the hydraulic oil flow path line chart of third embodiment of the invention；
Fig. 6 is the hydraulic oil flow path line chart of fourth embodiment of the invention.
In figure, each list of reference numerals is: 1, oil pump, 2, accumulator, 3, main oil pressure regulate valve, the 4, first electromagnetic valve, 5, first clutch, 6, second clutch, the 7, second electromagnetic valve, 8, main oil pressure emergency flight control valve, 9, double clutch linkage controlling valve, 9-1, solenoid valve body, 9-2, spool, 9-3, compression spring.
Detailed description of the invention
Referring to Fig. 2, the present invention includes oil pump 1, accumulator 2, main oil pressure regulates valve 3, main oil pressure emergency flight control valve 8, first clutch 5, second clutch 6 and double clutch linkage controlling valve 9, described main oil pressure emergency flight control valve 8 is the 2/2-way valve of electromagnetic valve control or Non-follow control, it is in parallel that it regulates valve 3 with main oil pressure, the slide valve assembly that described double clutch linkage controlling valve 9 controls for electromagnetic valve, it includes electromagnetic valve 9-1, guiding valve 9-2 and compression spring 9-3, described guiding valve 9-2 one end is connected with the spool of electromagnetic valve 9-1, the other end is connected with compression spring 9-3, double clutch linkage controlling valve 9 is two-bit triplet electromagnetic valve, it is connected to main hydraulic circuit and first clutch 5, between the hydraulic circuit of second clutch 6.
Referring to Fig. 3, in normal operating conditions, when first clutch 5 works, hydraulic oil flow route is the present invention: oil pump 1 accumulator 2 main oil pressure regulates valve 3 double clutch linkage controlling valve 9 first clutch 5.
Referring to Fig. 4, in normal operating conditions, when second clutch 6 works, hydraulic oil flow route is the present invention: oil pump 1 accumulator 2 main oil pressure regulates valve 3 double clutch linkage controlling valve 9 second clutch 6.
Referring to Fig. 5, the present invention regulates valve 3 at TCU or main oil pressure and breaks down in situation, and when first clutch 5 works, hydraulic oil flow route is: oil pump 1 accumulator 2 main oil pressure emergency flight control valve 8 double clutch linkage controlling valve 9 first clutch 5.
Referring to Fig. 6, the present invention regulates valve 3 at TCU or main oil pressure and breaks down in situation, and when second clutch 6 works, hydraulic oil flow route is: oil pump 1 accumulator 2 main oil pressure emergency flight control valve 8 double clutch linkage controlling valve 9 second clutch 6.
Referring to Fig. 2～Fig. 6, owing to the double clutch linkage controlling valve 9 of the present invention is two-bit triplet electromagnetic valve, two states can not be stretched out after its failure condition includes can not retracting after spool stretches out and spool is retracted, when occur can not retracting after spool stretches out situation time, the hydraulic circuit connection of second clutch 6, if now TCU and main oil pressure regulate valve 3 normal operation, then the flow route of hydraulic oil is: oil pump 1 accumulator 2 main oil pressure regulates valve 3 double clutch linkage controlling valve 9 second clutch 6；If now TCU and main oil pressure adjustment valve 3 break down, then the flow route of hydraulic oil is: oil pump 1 accumulator 2 main oil pressure emergency flight control valve 8 double clutch linkage controlling valve 9 second clutch 6.When occurring to stretch out situation after spool is retracted, the hydraulic circuit connection of first clutch 5, if now TCU and main oil pressure regulate valve 3 normal operation, then the flow route of hydraulic oil is: oil pump 1 accumulator 2 main oil pressure regulates valve 3 double clutch linkage controlling valve 9 first clutch 5；If now TCU and main oil pressure adjustment valve 3 break down, then the flow route of hydraulic oil is: oil pump 1 accumulator 2 main oil pressure emergency flight control valve 8 double clutch linkage controlling valve 9 first clutch 5.
Above example absolutely proves, the present invention passes through double clutch linkage controlling valve 9 and main oil pressure emergency flight control valve 8 combination application, a clutch is in running order to make automotive transmission remain, double clutch control system generation double clutch oil circuit control any be likely to occur fault time, can ensure that variator has a gear to be in normal operating conditions, automobile is made to enter emergent driving mode, effectively prevent engine power and interrupt dangerous generation, improve the security performance of automobile.
Claims (7)
1. a double-clutch hydraulic control system, it is characterized in that, it includes oil pump (1), accumulator (2), main oil pressure adjustment valve (3), main oil pressure emergency flight control valve (8), first clutch (5), second clutch (6) and double clutch linkage controlling valve (9), it is in parallel that described main oil pressure emergency flight control valve (8) and main oil pressure regulate valve (3), and described double clutch linkage controlling valve (9) is connected between the hydraulic circuit of working connection and first clutch (5), second clutch (6)；Described double clutch linkage controlling valve (9) is two-bit triplet electromagnetic valve；Described main oil pressure emergency flight control valve (8) is 2/2-way valve；
The slide valve assembly that described double clutch linkage controlling valve (9) controls for electromagnetic valve, it includes electromagnetic valve (9-1), guiding valve (9-2) and compression spring (9-3), described guiding valve (9-2) one end is connected with the spool of electromagnetic valve (9-1), and the other end is connected with compression spring (9-3)；
Slide valve assembly that described main oil pressure emergency flight control valve (8) controls for electromagnetic valve or the slide valve assembly of Non-follow control.
2. a kind of double-clutch hydraulic control system according to claim 1, it is characterized in that, in normal operating conditions, during first clutch (5) work, hydraulic oil flow route is: oil pump (1) accumulator (2) main oil pressure regulates valve (3) double clutch linkage controlling valve (9) first clutch (5).
3. a kind of double-clutch hydraulic control system according to claim 1, it is characterized in that, in normal operating conditions, during second clutch (6) work, hydraulic oil flow route is: oil pump (1) accumulator (2) main oil pressure regulates valve (3) double clutch linkage controlling valve (9) second clutch (6).
4. a kind of double-clutch hydraulic control system according to claim 1, it is characterized in that, regulate valve (3) at TCU or main oil pressure and break down in situation, during first clutch (5) work, hydraulic oil flow route is: oil pump (1) accumulator (2) main oil pressure emergency flight control valve (8) double clutch linkage controlling valve (9) first clutch (5).
5. a kind of double-clutch hydraulic control system according to claim 1, it is characterized in that, regulate valve (3) at TCU or main oil pressure and break down in situation, during second clutch (6) work, hydraulic oil flow route is: oil pump (1) accumulator (2) main oil pressure emergency flight control valve (8) double clutch linkage controlling valve (9) second clutch (6).
6. a kind of double-clutch hydraulic control system according to claim 1, it is characterized in that, when double clutch linkage controlling valve (9) breaks down, hydraulic oil flow route is: oil pump (1) accumulator (2) main oil pressure regulates valve (3) double clutch linkage controlling valve (9) first clutch (5), or oil pump (1) accumulator (2) main oil pressure regulates valve (3) double clutch linkage controlling valve (9) second clutch (6).
7. a kind of double-clutch hydraulic control system according to claim 1, it is characterized in that, regulate valve (3) at TCU or main oil pressure to break down, and double clutch linkage controlling valve (9) is when breaking down simultaneously, hydraulic oil flow route is: oil pump (1) accumulator (2) main oil pressure emergency flight control valve (8) double clutch linkage controlling valve (9) first clutch (5), or oil pump (1) accumulator (2) main oil pressure emergency flight control valve (8) double clutch linkage controlling valve (9) second clutch (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310453727.0A CN103486245B (en) | 2013-09-29 | 2013-09-29 | A kind of double-clutch hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310453727.0A CN103486245B (en) | 2013-09-29 | 2013-09-29 | A kind of double-clutch hydraulic control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103486245A CN103486245A (en) | 2014-01-01 |
| CN103486245B true CN103486245B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310453727.0A Expired - Fee Related CN103486245B (en) | 2013-09-29 | 2013-09-29 | A kind of double-clutch hydraulic control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN103486245B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160062292A (en) * | 2014-11-24 | 2016-06-02 | 현대오트론 주식회사 | Method and apparatus for controlling dual clutch transmission |
| CN107304840A (en) * | 2016-04-19 | 2017-10-31 | 昆山德拉特兰传动科技有限公司 | Automatic transmission clutch drive system |
| CN106838288B (en) * | 2017-02-22 | 2018-05-29 | 哈尔滨东安汽车发动机制造有限公司 | The two electronic automobile-used retarder hydraulic control oil circuit of speed of one kind |
| CN112943919B (en) * | 2021-03-11 | 2022-07-12 | 南京信息职业技术学院 | New energy automobile double clutch control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101583510A (en) * | 2007-03-02 | 2009-11-18 | 博格华纳公司 | Hydraulic actuation valve arrangement for dual clutch transmission |
| CN101858431A (en) * | 2010-04-17 | 2010-10-13 | 浙江吉利汽车研究院有限公司 | Hydraulic device for gear shift of double-clutch automatic transmission |
| CN102062208A (en) * | 2010-11-16 | 2011-05-18 | 浙江吉利汽车研究院有限公司 | Hydraulic control device with double clutches |
| CN102359586A (en) * | 2011-11-10 | 2012-02-22 | 安徽合力股份有限公司 | Proportional voltage regulation control system for automatic gearbox of forklift truck |
| CN102818014A (en) * | 2012-08-31 | 2012-12-12 | 长城汽车股份有限公司 | Automatic gearbox control oil path for automobile |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4490172B2 (en) * | 2004-05-31 | 2010-06-23 | トヨタ自動車株式会社 | Hydraulic control device for automatic transmission for vehicle |
| JP2011106644A (en) * | 2009-10-22 | 2011-06-02 | Honda Motor Co Ltd | Hydraulic control device for transmission |
-
2013
- 2013-09-29 CN CN201310453727.0A patent/CN103486245B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101583510A (en) * | 2007-03-02 | 2009-11-18 | 博格华纳公司 | Hydraulic actuation valve arrangement for dual clutch transmission |
| CN101858431A (en) * | 2010-04-17 | 2010-10-13 | 浙江吉利汽车研究院有限公司 | Hydraulic device for gear shift of double-clutch automatic transmission |
| CN102062208A (en) * | 2010-11-16 | 2011-05-18 | 浙江吉利汽车研究院有限公司 | Hydraulic control device with double clutches |
| CN102359586A (en) * | 2011-11-10 | 2012-02-22 | 安徽合力股份有限公司 | Proportional voltage regulation control system for automatic gearbox of forklift truck |
| CN102818014A (en) * | 2012-08-31 | 2012-12-12 | 长城汽车股份有限公司 | Automatic gearbox control oil path for automobile |
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| Publication number | Publication date |
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| CN103486245A (en) | 2014-01-01 |
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Granted publication date: 20160629 |