CN103542088A - Efficacy losing protective valve - Google Patents
Efficacy losing protective valve Download PDFInfo
- Publication number
- CN103542088A CN103542088A CN201310470966.7A CN201310470966A CN103542088A CN 103542088 A CN103542088 A CN 103542088A CN 201310470966 A CN201310470966 A CN 201310470966A CN 103542088 A CN103542088 A CN 103542088A
- Authority
- CN
- China
- Prior art keywords
- oil circuit
- fail safe
- valve
- actuator port
- safe valve
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title abstract 7
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 239000003921 oil Substances 0.000 description 60
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
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
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
- F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
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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
- F16H61/02—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 characterised by the signals used
- F16H61/0262—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 characterised by the signals used the signals being hydraulic
- F16H61/0265—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 characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
- F16H61/0267—Layout of hydraulic control circuits, e.g. arrangement of valves
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures
- F16H2061/1252—Fail safe valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention relates to an efficacy losing protective valve which comprises a first efficacy losing protective valve body and a second efficacy losing protective valve body. A working oil opening of the first efficacy losing protective valve body is respectively connected with an overrunning clutch, an overrunning clutch pressure control valve, a low gear reversing brake and a second-gear brake through oil ways, and a working oil opening of the second efficacy losing protective valve body is respectively connected with a low speed clutch, a low speed clutch pressure control valve, the second-gear brake and a second-gear brake pressure controller through oil ways. The efficacy losing protective valve is reasonable and simple in structural design, it is ensured that when a control unit or an electrical apparatus element breaks down, a hydraulic system of an automatic gearbox can still work, power transmission is guaranteed, and running dangers of a vehicle are avoided.
Description
Technical field
The present invention relates to a kind of abating protection device, particularly relate to a kind of automatic speed variator hydraulic system abating protection device for car transmissions.
Background technique
At present, for vehicle, the Security while travelling is first important, must be guaranteed.Automatic transmission is as the transmitter of power, and the safety protection function under its failure state directly has influence on the driving safety of vehicle.The output of known A/T gear position can only have two executive components to carry out work, and when occurring that more than three or three executive component is worked simultaneously, automatic transmission cannot normally be exported gear, and Vehicle Driving Cycle can be caused danger.Automatic transmission still can normally be exported gear when ensureing that the control unit of automatic transmission or electrical apparatus element break down, thereby support vehicles driving safety need to design automatic speed variator hydraulic system abating protection device.
Summary of the invention
The object of the invention is to overcome the deficiency existing in above-mentioned technology, a kind of reasonable in design, simple is provided, can ensure transmission of power, avoid vehicle to occur the fail safe valve that travels dangerous.
In order to achieve the above object, the technical solution used in the present invention is: comprise the first fail safe valve, the second fail safe valve, the first actuator port of the first described fail safe valve connects respectively overrunning cluth by the first oil circuit, overrunning cluth pressure controlled valve, the second actuator port of the first fail safe valve is successively through the second oil circuit, the first one-way valve, the 3rd oil circuit is connected with the 5th actuator port of the first fail safe valve, the 3rd described oil circuit is also connected with low reverse gear brake, the 3rd actuator port of the first fail safe valve is communicated with the 6th actuator port of the first fail safe valve by the 4th oil circuit, the 4th actuator port of the first fail safe valve is communicated with the 5th oil circuit, the 5th oil circuit also with second gear break, the 3rd actuator port of the second fail safe valve is communicated with, the first fail safe valve the 7th actuator port is communicated with the 6th oil circuit, the 5th actuator port of the 6th oil circuit connection safety valve and the second fail safe valve, the first fail safe valve the 8th actuator port is communicated with changing valve by the 7th oil circuit, the first actuator port of the second described fail safe valve is successively by the 8th oil circuit, the second one-way valve is communicated with the 9th oil circuit, the 8th oil circuit also with low-speed clutch, low-speed clutch pressure controlled valve connects, the second actuator port of the second fail safe valve is successively by the tenth oil circuit, the 3rd one-way valve is communicated with the 9th oil circuit, the tenth oil circuit is also connected with the first oil circuit, the 6th actuator port of the second fail safe valve is connected with second gear brake pressure controller by the 11 oil circuit, the 7th actuator port of the second fail safe valve is connected with the control port of changing valve by the 12 oil circuit.
Advantage of the present invention is:
1, reasonable in design, simple, manufacture difficulty is low;
2, install simply, can reach higher control accuracy, save cost;
When 3, control unit or electrical apparatus element break down, automatic transmission still can normally be exported gear, thereby support vehicles driving safety meets market to the keep in obscurity demand of system of automatic transmission.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
As shown in Figure 1, the present invention includes the first fail safe valve 30, the second fail safe valve 12, the first actuator port 31 of the first described fail safe valve 30 connects respectively overrunning cluth 38 by the first oil circuit 14, overrunning cluth pressure controlled valve 39, the second actuator port 32 of the first fail safe valve 30 is successively through the second oil circuit 36, the first one-way valve 37, the 3rd oil circuit 2 is connected with the 5th actuator port 35 of the first fail safe valve 30, the 3rd described oil circuit 2 is also connected with low reverse gear brake 1, the 3rd actuator port 33 of the first fail safe valve 30 is communicated with the 6th actuator port 4 of the first fail safe valve 30 by the 4th oil circuit 3, the 4th actuator port 34 of the first fail safe valve 30 is communicated with the 5th oil circuit 7, the 5th oil circuit 7 also with second gear break 5, the 3rd actuator port 9 of the second fail safe valve 12 is communicated with, the first fail safe valve 30 the 7th actuator port 29 is communicated with the 6th oil circuit 22, the 5th actuator port 26 of the 6th oil circuit 22 connection safety valves 16 and the second fail safe valve 12, the first fail safe valve 30 the 8th actuator port 28 is communicated with changing valve 24 by the 7th oil circuit 25, the first actuator port 6 of the second described fail safe valve 12 is successively by the 8th oil circuit 13, the second one-way valve 17 is communicated with the 9th oil circuit 20, the 8th oil circuit 13 also with low-speed clutch 11, low-speed clutch pressure controlled valve 40 connects, the second actuator port 8 of the second fail safe valve 12 is successively by the tenth oil circuit 27, the 3rd one-way valve 18 is communicated with the 9th oil circuit 20, the tenth oil circuit 27 is also connected with the first oil circuit 14, the 6th actuator port 10 of the second fail safe valve 12 is connected with second gear brake pressure controller 41 by the 11 oil circuit 19, the 7th actuator port 15 of the second fail safe valve 12 is connected with the control port 23 of changing valve 24 by the 12 oil circuit 21.
The present invention ensures that when control unit or electrical apparatus element break down, automatic transmission still can normally be exported gear; thereby support vehicles driving safety was arranged respectively the first fail safe valve 30, the second fail safe valve 12 before low reverse gear brake and second gear break.In conjunction with Fig. 1, the working principle of automatic speed variator hydraulic system abating protection device of the present invention is described; when second gear break solenoid valve 42 lost efficacy; second gear brake pressure control valve 41 will be opened; oil circuit the 9th oil circuit the 20, the 11 oil circuit 19, the 5th oil circuit 7 that lead to second gear break 5 will be oil-filled successively; make 5 combinations of second gear break, realize braking.Simultaneously; because the 5th oil circuit 7 is oil-filled, promote the first fail safe valve 30 and move right, cut off the 7th oil circuit 25 and the 3rd oil circuit 2 that lead to low reverse gear brake 1; and the hydraulic oil in low reverse gear brake 1 is discharged through the 3rd oil circuit 2, the 6th oil circuit 22 successively, make low reverse gear brake 1 separation.Now speed changer output gear is second gear.
If at this moment overrunning cluth solenoid valve 43 also breaks down; overrunning cluth pressure controlled valve 39 will be opened; the 9th oil circuit 20, the first oil circuit 14 that lead to overrunning cluth 38 will be oil-filled successively; make overrunning cluth 38 combinations; simultaneously the first oil circuit 14, the tenth oil circuit 27 are oil-filled; promoting the second fail safe valve 12 moves right; cut off oil circuit 11 oil circuits 19 and the 5th oil circuit 7 that lead to second gear break 5; and the hydraulic oil in second gear break 5 is discharged through the 5th oil circuit 7, the 6th oil circuit 22 successively, make 5 separation of second gear break.Now speed changer output gear is third gear.
In sum; in automatic transmission, use automatic speed variator hydraulic system abating protection device of the present invention, can guarantee that hydraulic system still can be worked when control unit or electrical apparatus element break down; ensure transmission of power, avoid vehicle to occur the danger of travelling.
Claims (1)
1. a fail safe valve, comprise the first fail safe valve (30), the second fail safe valve (12), it is characterized in that: first actuator port (31) of the first described fail safe valve (30) connects respectively overrunning cluth (38) by the first oil circuit (14), overrunning cluth pressure controlled valve (39), second actuator port (32) of the first fail safe valve (30) is successively through the second oil circuit (36), the first one-way valve (37), the 3rd oil circuit (2) is connected with the 5th actuator port (35) of the first fail safe valve (30), the 3rd described oil circuit (2) is also connected with low reverse gear brake (1), the 3rd actuator port (33) of the first fail safe valve (30) is communicated with the 6th actuator port (4) of the first fail safe valve (30) by the 4th oil circuit (3), the 4th actuator port (34) of the first fail safe valve (30) is communicated with the 5th oil circuit (7), the 5th oil circuit (7) also with second gear break (5), the 3rd actuator port (9) of the second fail safe valve (12) is communicated with, the first fail safe valve (30) the 7th actuator port (29) is communicated with the 6th oil circuit (22), the 5th actuator port (26) of the 6th oil circuit (22) connection safety valve (16) and the second fail safe valve (12), the first fail safe valve (30) the 8th actuator port (28) is communicated with changing valve (24) by the 7th oil circuit (25), first actuator port (6) of the second described fail safe valve (12) is successively by the 8th oil circuit (13), the second one-way valve (17) is communicated with the 9th oil circuit (20), the 8th oil circuit (13) also with low-speed clutch (11), low-speed clutch pressure controlled valve (40) connects, second actuator port (8) of the second fail safe valve (12) is successively by the tenth oil circuit (27), the 3rd one-way valve (18) is communicated with the 9th oil circuit (20), the tenth oil circuit (27) is also connected with the first oil circuit (14), the 6th actuator port (10) of the second fail safe valve (12) is connected with second gear brake pressure controller (41) by the 11 oil circuit (19), the 7th actuator port (15) of the second fail safe valve (12) is connected with the control port (23) of changing valve (24) by the 12 oil circuit (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470966.7A CN103542088A (en) | 2013-09-30 | 2013-09-30 | Efficacy losing protective valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470966.7A CN103542088A (en) | 2013-09-30 | 2013-09-30 | Efficacy losing protective valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103542088A true CN103542088A (en) | 2014-01-29 |
Family
ID=49965833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310470966.7A Pending CN103542088A (en) | 2013-09-30 | 2013-09-30 | Efficacy losing protective valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103542088A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975594A (en) * | 2017-12-28 | 2018-05-01 | 吉孚汽车技术(浙江)有限公司 | The hydraulic system of automatic transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0354006A2 (en) * | 1988-08-02 | 1990-02-07 | Toyota Jidosha Kabushiki Kaisha | Hydraulic control device for automatic transmission for vehicle having two parallel input clutches |
| CN1598364A (en) * | 2003-09-16 | 2005-03-23 | 现代自动车株式会社 | Hydraulic control system of a six-speed automatic transmission |
| CN101201103A (en) * | 2006-12-12 | 2008-06-18 | 现代自动车株式会社 | Hydraulic control system for automatic transmission |
| CN101688602A (en) * | 2007-11-30 | 2010-03-31 | 爱信艾达株式会社 | Hydraulic control device for automatic transmission |
| CN102808938A (en) * | 2011-05-31 | 2012-12-05 | 本田技研工业株式会社 | Hydraulic pressure supply apparatus for transmission |
-
2013
- 2013-09-30 CN CN201310470966.7A patent/CN103542088A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0354006A2 (en) * | 1988-08-02 | 1990-02-07 | Toyota Jidosha Kabushiki Kaisha | Hydraulic control device for automatic transmission for vehicle having two parallel input clutches |
| CN1598364A (en) * | 2003-09-16 | 2005-03-23 | 现代自动车株式会社 | Hydraulic control system of a six-speed automatic transmission |
| CN101201103A (en) * | 2006-12-12 | 2008-06-18 | 现代自动车株式会社 | Hydraulic control system for automatic transmission |
| CN101688602A (en) * | 2007-11-30 | 2010-03-31 | 爱信艾达株式会社 | Hydraulic control device for automatic transmission |
| CN102808938A (en) * | 2011-05-31 | 2012-12-05 | 本田技研工业株式会社 | Hydraulic pressure supply apparatus for transmission |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975594A (en) * | 2017-12-28 | 2018-05-01 | 吉孚汽车技术(浙江)有限公司 | The hydraulic system of automatic transmission |
| CN107975594B (en) * | 2017-12-28 | 2023-09-19 | 浙江万里扬智能传动有限公司 | Hydraulic system of automatic transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140129 |