CN104358862A - Hydraulic oil circuit for reversing control of automatic transmission - Google Patents
Hydraulic oil circuit for reversing control of automatic transmission Download PDFInfo
- Publication number
- CN104358862A CN104358862A CN201410580205.1A CN201410580205A CN104358862A CN 104358862 A CN104358862 A CN 104358862A CN 201410580205 A CN201410580205 A CN 201410580205A CN 104358862 A CN104358862 A CN 104358862A
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- Prior art keywords
- valve
- oil circuit
- switch
- automatic transmission
- reverse gear
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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
- F16H61/04—Smoothing ratio shift
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
- F16H61/065—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid control means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a hydraulic oil circuit for reversing control of an automatic transmission, belongs to the technical field of automotive transmissions, and solves the technical problems of obvious impact feel, short transmission life, high maintenance and repair costs and poor driving feel of a driver in a shifting process due to over-high oil pressure in a control oil circuit during reversing of an existing automatic transmission automobile. The hydraulic oil circuit is characterized in that the operations of adjusting the pressure and switching the oil circuit are carried out through solenoid valves, and the input main oil pressure is reduced and output to reversing execution elements. The hydraulic oil circuit is simple in structure and reasonable in design; the oil circuit is switched and the main oil pressure is adjusted to be relatively low under the control of the solenoid valves; the oil pressure is controlled to be within a relatively low range under the reversing working condition in a specific situation, and the performance is stable; the use of complicated control programs is avoided and the reversing execution elements need to be improved, so that the part development cost and the control program matching and calibration cost are reduced, the product development cycle is shortened, the product life is prolonged, and the use, maintenance and repair costs are lowered.
Description
Technical field
The invention belongs to automotive transmission technical field; Be specifically related to automatic transmission reverse gear hydraulic control oil circuit.
Background technique
At present, the shift shock occurred in automatic gear automobile shift process is a great problem of puzzlement automatic transmission.Especially moving storehouse reverse gear operating mode, during usual reverse gear, in oil circuit control, oil pressure is excessive, moves in the shift process of storehouse and impacts sense obviously, itself be a kind of very severe operating mode to speed changer hardware, shorten the speed changer life-span, improve maintenance and repair cost, the driving sense of driver is also very poor.
Summary of the invention
The present invention solves existing automatic gear automobile and impacts sense obviously because the excessive existence of oil pressure in oil circuit control during reverse gear moves in the shift process of storehouse, shortens the speed changer life-span, improves maintenance and repair cost, the technical problem of the driving sense difference of driver; The invention provides a kind of structure simple, reasonable in design, reduce speed changer and move storehouse gearshift hydraulic pressure, reduce the impact to shifting element, extend the speed changer life-span, reduce maintenance and repair cost, improve the reverse gear hydraulic control oil channel structures of shift of transmission quality.In order to achieve the above object, automatic transmission reverse gear hydraulic control oil circuit of the present invention comprises oil pump, first gearshift executive component, second gearshift executive component and manually operated valve, automatic transmission reverse gear hydraulic control oil circuit also comprises the first solenoid valve, second solenoid valve, switch electromagnetic valve, first logical valve, second logical valve, first switch valve and change second switch valve, the oil outlet of oil pump respectively with switch electromagnetic valve, second switch valve, the filler opening that manually operated valve matches with the first logical valve is connected, the oil outlet of switch electromagnetic valve and the second logical valve, the filler opening that second switch valve matches is connected, the oil outlet of manually operated valve respectively with the first logical valve, second logical valve, the filler opening that first switch valve matches with second switch valve is connected, the oil outlet of the first logical valve and the first solenoid valve, the filler opening that second solenoid valve matches with the first switch valve is connected, the oil outlet of the first solenoid valve is connected with the filler opening of the second logical valve, the filler opening that oil outlet and first switch valve of the second logical valve match is connected, the filler opening that oil outlet and first switch valve of second switch valve match is connected, the filler opening that oil outlet and first switch valve of the second solenoid valve match is connected, corresponding the shifting gears executive component with first of the oil outlet of the first switch valve, second gearshift executive component is connected.
Further restriction: described manually operated valve is equipped with gear P gear, N gear, R gear and D gear.First logical valve is D shelves/R shelves logical valve.Second logical valve is low reverse gear logical valve.First switch valve is C3-B2 pressure opening and closing valve.Second switch valve is shift switch valve.First solenoid valve is VFS solenoid valve.First solenoid valve is VFS solenoid valve.
The present invention is by solenoid valve pressure regulation and carry out oil circuit switching, is reduced by the main oil pressure of input and exports in the first reverse gear executive component and the second reverse gear executive component.Thus main oil pressure is down to the comparatively low oil pressure that can realize reverse gear function, thus reduce shift shock, improve reverse gear executive component operating mode, extend the speed changer life-span, reduce speed changer maintenance frequency and even avoid speed changer to keep in repair.
Structure of the present invention is simple, reasonable in design, adopt electromagnetic valve, oil circuit is switched and regulates main oil pressure to smaller value, by the oil pressure cntrol under the reverse gear operating mode of particular case in lower scope, and stable performance, avoid using complicated control program and need reinforcement reverse gear executive component to realize, thus reduce the cost of part development cost and control program matching and calibration, shorten product development cycle, more can extend life of product, reduce working service maintenance cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is structural representation of the present invention.
Embodiment
Composition graphs 1 is described, the oil pump 101, first that comprises of the present invention is shifted gears executive component C3, the second gearshift executive component B2 and manually operated valve 6, it also comprises the first solenoid valve S1, the second solenoid valve S3, switch electromagnetic valve S5, D shelves/R shelves logical valve 80, low reverse gear logical valve 81, C3-B2 pressure opening and closing valve 82 and shift switch valve 83
The oil outlet of described oil pump 101 is provided with oil circuit 1, and the oil outlet of oil circuit 1 is connected with the entrance 31 of the filler opening of oil circuit 2, the filler opening of oil circuit 4 and manually operated valve 6 respectively,
Wherein, the oil outlet of described oil circuit 2 is connected with the filler opening of oil circuit 3, the import 41 of switch electromagnetic valve S5 respectively, the oil outlet of oil circuit 3 is connected with the entrance 52 of shift switch valve 83, outlet 54 is connected by oil circuit 23 with the oil pocket c hydraulic fluid port 62 of C3-B2 pressure opening and closing valve 82, the outlet 42 of switch electromagnetic valve S5 is connected by oil circuit 13 with the oil pocket b hydraulic fluid port 48 of low reverse gear logical valve 81 respectively, be connected by oil circuit 14 with the entrance 51 of shift switch valve 83, outlet 53 is connected by oil circuit 15 with the oil pocket d hydraulic fluid port 59 of C3-B2 pressure opening and closing valve 82;
The oil outlet of described oil circuit 4 is connected with the entrance 35 of D shelves/R shelves logical valve 80, and the oil outlet that outlet 36 is provided with the 5th oil circuit the 5, five oil circuit 5 is connected with the entrance 58 of C3-B2 pressure opening and closing valve 82;
Outlet 32 place of described manually operated valve 6 is provided with oil circuit 7, the oil outlet of the 7th oil circuit respectively with oil circuit 8, branch road 10, branch road 11, oil circuit 12 are connected,
The oil outlet of branch road 10 is connected with the entrance 46 of low reverse gear logical valve 81,
The oil outlet of branch road 11 is connected with the entrance 50 of shift switch valve 83,
The oil outlet of oil circuit 12 is connected with the entrance 56 of C3-B2 pressure opening and closing valve 82,
The oil outlet of oil circuit 8 respectively with the oil pocket a hydraulic fluid port 33 of D shelves/R shelves logical valve 80, entrance 34 is connected, outlet 37 is provided with oil circuit 17, the oil outlet of oil circuit 17 respectively with the entrance 38 of the second solenoid valve S3, the entrance 43(of the first solenoid valve S1 is by oil circuit 16) be connected, the oil outlet 45 of the first solenoid valve S1 is connected by oil circuit 20 with the entrance 47 of low reverse gear logical valve 81, the outlet 49 of low reverse gear logical valve 81 is connected by oil circuit 21 with the entrance 57 of C3-B2 pressure opening and closing valve 82, the oil outlet 40 of the second solenoid valve S3 is connected by oil circuit 18 with the entrance 55 of C3-B2 pressure opening and closing valve 82,
The outlet 60 and first of C3-B2 pressure opening and closing valve 82 executive component C3 filler opening of shifting gears is connected by oil circuit 19, and the outlet 61 and second of C3-B2 pressure opening and closing valve 82 executive component B2 filler opening of shifting gears is connected by oil circuit 22.
When reverse gear, low reverse gear logical valve 81 is moved to leftward position by the branch road 10 of oil circuit 7, entrance 47 and outlet 49 UNICOMs of low reverse gear logical valve 81; D shelves/R shelves logical valve 80 is moved to right positions by the oil-feed of oil pocket a hydraulic fluid port 33, entrance 34 and outlet 37 UNICOMs of D shelves/R shelves logical valve 80, entrance 35 and outlet 36 UNICOMs; Shift switch valve 83 is moved to right positions by branch road 11, entrance 51 and outlet 53 UNICOMs of shift switch valve 83, entrance 52 and outlet 54 UNICOMs; Oil circuit 1 inputs through the inlet opening 41 of oil circuit 2 by switch electromagnetic valve S5, exported by outlet 42, oil circuit 14 is through shift switch valve 83, entered by 51 entrances, discharge through 53 outlets, act on the right side grease chamber d of C3-B2 pressure opening and closing valve 82, C3-B2 pressure opening and closing valve 82 is moved to leftward position, entrance 55 and exhaust port 60 UNICOM of C3-B2 pressure opening and closing valve 82, entrance 57 and outlet 61 UNICOMs.Oil circuit 1 is entered by manually operated valve entrance 31, is discharged by outlet 32, enters oil circuit 7, entered by D shelves/R shelves logical valve 80 entrance 34 through oil circuit 8, discharged by outlet 37 and enter oil circuit 16, entered by solenoid valve S1 entrance 43, discharged by outlet 45, enter through too low reverse gear logical valve 81 entrance 47, discharged by exhaust port 49, enter oil circuit 21, enter through C3-B2 pressure opening and closing valve 82 entrance 57, discharged by outlet 61 and enter oil circuit 22, be finally applied to R shelves executive component B2; Entered by D shelves/R shelves logical valve 80 entrance 34 through oil circuit 8, discharged by outlet 37 and enter another oil circuit 17, entered by solenoid valve S3 entrance 38, discharged by outlet 40 and enter oil circuit 18, enter through valve 82 entrance 55, discharged by outlet 60 and enter oil circuit 19, finally use most R shelves executive component C3.Input oil pressure and output oil pressure ratio because solenoid valve S1 and solenoid valve S3 can regulate, the oil pressure being namely finally supplied to R shelves executive component C2 and R shelves executive component B2 is less than main oil pressure.Thus the impact reduced reverse gear executive component, extend the life-span of reverse gear executive component, namely extend the speed changer life-span, reduce shift shock simultaneously, improve shift of transmission quality.
Claims (8)
1. an automatic transmission reverse gear hydraulic control oil circuit, it comprises oil pump (101), first gearshift executive component (C3), second gearshift executive component (B2) and manually operated valve (6), it is characterized in that automatic transmission reverse gear hydraulic control oil circuit also comprises the first solenoid valve (S1), second solenoid valve (S3), switch electromagnetic valve (S5), first logical valve (80), second logical valve (81), first switch valve (82) and change second switch valve (83), the oil outlet of oil pump (101) respectively with switch electromagnetic valve (S5), second switch valve (83), the filler opening that manually operated valve (6) matches with the first logical valve (80) is connected, the oil outlet of switch electromagnetic valve (S5) and the second logical valve (81), the filler opening that second switch valve (83) matches is connected, the oil outlet of manually operated valve (6) respectively with the first logical valve (80), second logical valve (81), the filler opening that first switch valve (82) matches with second switch valve (83) is connected, the oil outlet of the first logical valve (80) and the first solenoid valve (S1), the filler opening that second solenoid valve (S3) matches with the first switch valve (82) is connected, the oil outlet of the first solenoid valve (S1) is connected with the filler opening of the second logical valve (81), the filler opening that oil outlet and first switch valve (82) of the second logical valve (81) match is connected, the filler opening that oil outlet and first switch valve (82) of second switch valve (83) match is connected, the filler opening that oil outlet and first switch valve (82) of the second solenoid valve (S3) match is connected, the oil outlet of the first switch valve (82) corresponding with gearshift executive component (C3), reverse gear brake (B2) is connected.
2. a kind of automatic transmission reverse gear hydraulic control oil circuit according to claim 1, is characterized in that described manually operated valve (6) being equipped with gear P gear, N gear, R gear and D gear.
3. a kind of automatic transmission reverse gear hydraulic control oil circuit according to claim 1, is characterized in that the first logical valve (80) is for D shelves/R shelves logical valve.
4. a kind of automatic transmission reverse gear hydraulic control oil circuit according to claim 1, is characterized in that the second logical valve (81) is for low reverse gear logical valve.
5. a kind of automatic transmission reverse gear hydraulic control oil circuit according to claim 1, is characterized in that the first switch valve (82) is for C3-B2 pressure opening and closing valve.
6. a kind of automatic transmission reverse gear hydraulic control oil circuit according to claim 1, is characterized in that second switch valve (83) is for shift switch valve.
7. a kind of automatic transmission reverse gear hydraulic control oil circuit according to claim 1, is characterized in that the first solenoid valve (S1) is for VFS solenoid valve.
8. a kind of automatic transmission reverse gear hydraulic control oil circuit according to claim 1, is characterized in that the second solenoid valve (S3) is for VFS solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580205.1A CN104358862B (en) | 2014-10-27 | 2014-10-27 | Automatic transmission reverse gear control hydraulic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580205.1A CN104358862B (en) | 2014-10-27 | 2014-10-27 | Automatic transmission reverse gear control hydraulic circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104358862A true CN104358862A (en) | 2015-02-18 |
| CN104358862B CN104358862B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410580205.1A Active CN104358862B (en) | 2014-10-27 | 2014-10-27 | Automatic transmission reverse gear control hydraulic circuit |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3719102A (en) * | 1972-02-28 | 1973-03-06 | Zahnradfabrik Friedrichshafen | Control system for hydraulic clutches of reversible gear-shift mechanism |
| CN1265183A (en) * | 1997-08-18 | 2000-08-30 | 戴姆勒-克莱斯勒股份公司 | Shifting device in variable speed gearbox with pressure regulating valves for working and feed pressure |
| CN1982755A (en) * | 2005-12-14 | 2007-06-20 | 现代自动车株式会社 | Manual valve of hydraulic control system for automatic transmission |
| CN201255230Y (en) * | 2008-04-08 | 2009-06-10 | 浙江众泰汽车制造有限公司 | Electrohydraulic controlling mechanism of stepless transmission |
| CN101988575A (en) * | 2009-07-30 | 2011-03-23 | 通用汽车环球科技运作公司 | Hydraulic control system for a dual clutch transmission |
| CN202812168U (en) * | 2012-08-12 | 2013-03-20 | 哈尔滨东安汽车发动机制造有限公司 | Hydraulic control device of six-speed automatic transmission |
-
2014
- 2014-10-27 CN CN201410580205.1A patent/CN104358862B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3719102A (en) * | 1972-02-28 | 1973-03-06 | Zahnradfabrik Friedrichshafen | Control system for hydraulic clutches of reversible gear-shift mechanism |
| CN1265183A (en) * | 1997-08-18 | 2000-08-30 | 戴姆勒-克莱斯勒股份公司 | Shifting device in variable speed gearbox with pressure regulating valves for working and feed pressure |
| CN1982755A (en) * | 2005-12-14 | 2007-06-20 | 现代自动车株式会社 | Manual valve of hydraulic control system for automatic transmission |
| CN201255230Y (en) * | 2008-04-08 | 2009-06-10 | 浙江众泰汽车制造有限公司 | Electrohydraulic controlling mechanism of stepless transmission |
| CN101988575A (en) * | 2009-07-30 | 2011-03-23 | 通用汽车环球科技运作公司 | Hydraulic control system for a dual clutch transmission |
| CN202812168U (en) * | 2012-08-12 | 2013-03-20 | 哈尔滨东安汽车发动机制造有限公司 | Hydraulic control device of six-speed automatic transmission |
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|---|---|
| CN104358862B (en) | 2016-05-04 |
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