CN104019225A - Hydrodynamic transmission control system - Google Patents
Hydrodynamic transmission control system Download PDFInfo
- Publication number
- CN104019225A CN104019225A CN201410186033.XA CN201410186033A CN104019225A CN 104019225 A CN104019225 A CN 104019225A CN 201410186033 A CN201410186033 A CN 201410186033A CN 104019225 A CN104019225 A CN 104019225A
- Authority
- CN
- China
- Prior art keywords
- valve
- torque converter
- control system
- proportional solenoid
- pilot
- 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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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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
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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
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Gearings (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a hydrodynamic transmission control system. The hydrodynamic transmission control system comprises a fuel feed pump and further comprises a main pressure regulating valve and a control pressure regulating valve, wherein the main pressure regulating valve and the control pressure regulating valve are connected with the fuel feed pump. The control pressure regulating valve is connected with a first normally-closed pilot-operated type proportional electromagnetic valve, two normally-open pilot-operated type proportional electromagnetic valves, three second normally-closed pilot-operated type proportional electromagnetic valves, a main mode control valve and a switch electromagnetic valve respectively, wherein the first normally-closed pilot-operated type proportional electromagnetic valve is connected with a lock-up clutch, and the two normally-open pilot-operated type proportional electromagnetic valves, three second normally-closed pilot-operated type proportional electromagnetic valves and the switch electromagnetic valve are connected with six clutches respectively through a first multi-station multi-way hydrodynamic control valve and a second multi-station multi-way hydrodynamic control valve. According to the hydrodynamic transmission control system, a gear control system has control functions which are all designed in an integrated mode, and is compact in structure and reliable in work.
Description
Technical field
The present invention relates to speed changer technical field, relate in particular to a kind of torque converter control system.
Background technique
Torque converter of the prior art, can work in hydraulic moment changeable operating mode and locking operating mode, is equipped with downhill retardation function, has 7 forward gearss, a reverse gear and a neutral gear.
For coordinating the gear control of this torque converter, need to design a kind of electrohydraulic control system of Highgrade integration, can control effectively to torque converter as required.
Summary of the invention
The present invention solves existing technical problem in prior art, thereby provides a kind of according to using the torque converter control system that need to effectively control speed changer.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
Torque converter control system provided by the invention, comprise oil feed pump, also comprise the principal pressure modulating valve and the pilot pressure modulating valve that are connected with described oil feed pump, described pilot pressure modulating valve respectively with described the first normally closed pilot proportional solenoid valve, often drive pilot proportional solenoid valve for two, three the second normally closed pilot proportional solenoid valves, holotype control valve is connected with switch electromagnetic valve, wherein, described the first normally closed pilot proportional solenoid valve is connected with lock-up clutch, two described pilot proportional solenoid valves of often opening, three the second normally closed pilot proportional solenoid valves, switch electromagnetic valve is through first, more the second multidigit is led to hydraulic control valve and is connected with six clutches respectively.
Further, also comprise one the 3rd normally closed pilot proportional solenoid valve, described the 3rd normally closed pilot proportional solenoid valve is connected with described pilot pressure modulating valve, retarder respectively.
Further, also comprise an accumulator Pneumatic valve, described accumulator Pneumatic valve is connected with described retarder through a gas-liquid accumulator.
Further, also comprise a diagnosis valve, described diagnosis valve is connected with described pilot pressure modulating valve, and judges for the switching state by pressure switch whether speed changer normally works.
Further, described pilot pressure modulating valve is also connected with torque-converters through a torque converter pressure modulating valve, torque-converters Flow valve, described torque converter pressure modulating valve is for having limited the maximum charge oil pressure of described torque-converters, and described torque-converters Flow valve is used for stoping fluid to enter torque-converters and directly enter the each lubricant housings of torque converter.
Further, the outlet port of described oil feed pump is also connected with a safety valve, and described safety valve is for the maximum pressure of restriction system.
Beneficial effect of the present invention is: the gear control that native system provides, can change by part the gear control of eight gears that advance of torque converter structure acquisition, a neutral.Can be not yet wherein a guide proportion solenoid valve obtain the gear control that torque converter is less than eight gears.And all control functions are through Integration Design, compact structure, reliable operation.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the hydraulic schematic diagram of torque converter control system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention are made to more explicit defining.
Consult shown in Fig. 1, torque converter control system of the present invention, comprise oil feed pump 1, also comprise the principal pressure modulating valve 6 and the pilot pressure modulating valve 5 that are connected with oil feed pump 1, principal pressure modulating valve 6 is for regulating system operating oil pressure, reach suitable operating range, pilot pressure modulating valve 5 is for reducing pressure to principal pressure, and respectively with the first normally closed pilot proportional solenoid valve 12, often drive pilot proportional solenoid valve 13 for two, three the second normally closed pilot proportional solenoid valves 14, holotype control valve 7 is connected with switch electromagnetic valve 15, wherein, the first normally closed pilot proportional solenoid valve 12 is connected with lock-up clutch 16, often drive pilot proportional solenoid valve 13 for two, three the second normally closed pilot proportional solenoid valves 14, switch electromagnetic valve 15 is through first, the how logical hydraulic control valve (8 of the second multidigit, 9) be respectively connected with six clutches 20, pressure oil is through first, the how logical hydraulic control valve (8 of the second multidigit, 9) reasonable distribution, thereby finally realize the combination of six clutches 20 or seven gears that advance of separation acquisition torque converter, a neutral and a reverse gear.In the present invention, export control command by ECU, power to the first normally closed pilot proportional solenoid valve 12, pressure oil enters lock-up clutch 16, realizes the work of torque converter locking operating mode.If do not power to the first normally closed pilot proportional solenoid valve 12, torque converter is worked under bending moment operating mode.The outlet port of oil feed pump 1 is also connected with a safety valve 4, and safety valve 4, for the maximum pressure of restriction system, is protected oil feed pump 1.
Torque converter control system of the present invention, in the time of principal pressure modulating valve 6 regulating system operating oil pressure, increase lock-up clutch pressure, holotype pressure low regime clutch pressure negative-feedback signal, in the time of holotype energising, locking operating mode and low regime clutch work, the in the situation that of the normal work of guarantee system, suitably reduce principal pressure, reduce the power consumpiton of main oil pump 1, improved the transmission efficiency of speed changer.System is provided with two and often drives pilot proportional solenoid valve 13, and its object is that torque converter is in the time that a certain gear is normally worked, if control system meets with unexpected power-off, speed changer can also be in particular gears work (except neutral gear, reverse gear).First normally closed pilot proportional solenoid valve 12, two are often driven pilot proportional solenoid valve 13, three proportional current that the second normally closed pilot proportional solenoid valve 14 is provided by ECU are carried out pilot control, and transform pilot control oil pressure, again according to the size of pilot control oil pressure provide accurately, stably, respond clutch pressure faster, the accurate control of oil pressure elevating process can realize as required clutch and fill, drain the oil time.
Preferably, this control system also comprises that the normally closed pilot proportional solenoid valve 11 of one the 3rd normally closed pilot proportional solenoid valve 11, the three is connected with pilot pressure modulating valve 5, retarder 2 respectively.Export control command by ECU, power to the 3rd normally closed pilot proportional solenoid valve 11, pressure oil enters retarder 2, realizes downhill retardation function.The proportional current that the 3rd normally closed pilot proportional solenoid valve 11 is provided by ECU is carried out pilot control, and is converted into the operating oil pressure of retarder 2, realizes the different fluid of retarder 2 and fills out the ratio of punching, thereby realize the different braking moment requirement of retarder 2.
This control system also comprises an accumulator Pneumatic valve 22, and accumulator Pneumatic valve 22 is connected with retarder 2 through a gas-liquid accumulator 23.When retarder 2 is not worked, the interior fluid that stores certain pressure of gas-liquid accumulator 21.In the time that retarder 2 need to be worked, to power to the 3rd normally closed pilot proportional solenoid valve 11, accumulator Pneumatic valve 22 is powered simultaneously, and the fluid that pressurized air stores gas-liquid accumulator 21 advances retarder 2 fast, has improved the speed of response of retarder 2.
This control system also comprises a diagnosis valve 17, and diagnosis valve 17 is connected with pilot pressure modulating valve 5, and judges for the switching state by pressure switch 18 whether speed changer normally works.In the present invention, diagnosis valve 17 is two-bit triplet hydraulic control valve, and the induction oil pressure of pressure switch 18 is provided by throttle orifice 19.
Concrete, pilot pressure modulating valve 5 is also connected with torque-converters 3 through a torque converter pressure modulating valve 10, torque-converters Flow valve 23, and torque converter pressure modulating valve 10, for having limited the maximum charge oil pressure of torque-converters, provides protection to torque-converters 3.Torque-converters Flow valve 23 is subject to the control of lock-up clutch oil pressure, in the time that lock-up clutch is worked, torque-converters Flow valve 23 directly enters the each lubricant housings 24 of torque converter for stoping fluid to enter torque-converters, avoided fluid to flow through the power loss that torque-converters 3 causes.
Above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any variation of expecting without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. a torque converter control system, comprise oil feed pump (1), it is characterized in that: also comprise the principal pressure modulating valve (6) and the pilot pressure modulating valve (5) that are connected with described oil feed pump (1), described pilot pressure modulating valve (5) respectively with described the first normally closed pilot proportional solenoid valve (12), often drive pilot proportional solenoid valve (13) for two, three the second normally closed pilot proportional solenoid valves (14), holotype control valve (7) is connected with switch electromagnetic valve (15), wherein, described the first normally closed pilot proportional solenoid valve (12) is connected with lock-up clutch (16), two described pilot proportional solenoid valves (13) of often opening, three the second normally closed pilot proportional solenoid valves (14), switch electromagnetic valve (15) is through first, the how logical hydraulic control valve (8 of the second multidigit, 9) be respectively connected with six clutches (20).
2. torque converter control system as claimed in claim 1, it is characterized in that: also comprise one the 3rd normally closed pilot proportional solenoid valve (11), described the 3rd normally closed pilot proportional solenoid valve (11) is connected with described pilot pressure modulating valve (5), retarder (2) respectively.
3. torque converter control system as claimed in claim 2, it is characterized in that: also comprise an accumulator Pneumatic valve (22), described accumulator Pneumatic valve (22) is connected with described retarder (2) through a gas-liquid accumulator (21).
4. torque converter control system as claimed in claim 3, it is characterized in that: also comprise a diagnosis valve (17), described diagnosis valve (17) is connected with described pilot pressure modulating valve (5), and for judging by the switching state of pressure switch (18) whether speed changer normally works.
5. torque converter control system as claimed in claim 1, it is characterized in that: described pilot pressure modulating valve (5) is also connected with torque-converters (3) through a torque converter pressure modulating valve (10), torque-converters Flow valve (23), described torque converter pressure modulating valve (10) is for having limited the maximum charge oil pressure of described torque-converters, and described torque-converters Flow valve (23) directly enters the each lubricant housings of torque converter (24) for stoping fluid to enter torque-converters.
6. torque converter control system as claimed in claim 1, is characterized in that: the outlet port of described oil feed pump (1) is also connected with a safety valve (4), and described safety valve (4) is for the maximum pressure of restriction system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186033.XA CN104019225B (en) | 2014-05-05 | 2014-05-05 | A kind of torque converter control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186033.XA CN104019225B (en) | 2014-05-05 | 2014-05-05 | A kind of torque converter control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104019225A true CN104019225A (en) | 2014-09-03 |
| CN104019225B CN104019225B (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410186033.XA Active CN104019225B (en) | 2014-05-05 | 2014-05-05 | A kind of torque converter control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104019225B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061723A (en) * | 2017-05-11 | 2017-08-18 | 陕西法士特齿轮有限责任公司 | A kind of hydraulic control system of automatic speed changer |
| CN108612712A (en) * | 2018-04-10 | 2018-10-02 | 山西大学 | The electro-hydraulic proportional flow valve and control method of active pilot stage control |
| CN112503117A (en) * | 2020-11-28 | 2021-03-16 | 贵州凯星液力传动机械有限公司 | Control method of high-power hydraulic retarder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060150762A1 (en) * | 2003-04-30 | 2006-07-13 | Gunther Petrzik | Hydraulic circuit for the control of a drive train |
| US20070187203A1 (en) * | 2006-02-10 | 2007-08-16 | Georg Gierer | Apparatus for the operation of a hydrodynamic torque converter and a therewith corresponding converter bypassing clutch of a transmission apparatus |
| CN101109443A (en) * | 2006-07-19 | 2008-01-23 | 现代自动车株式会社 | Hydraulic control system of 7-speed automatic transmission for vehicles |
| CN101349346A (en) * | 2007-07-18 | 2009-01-21 | 现代自动车株式会社 | Hydraulic control system of automatic transmission for vehicle |
| JP2010286052A (en) * | 2009-06-11 | 2010-12-24 | Honda Motor Co Ltd | Hydraulic circuit for automatic transmission |
| CN201875086U (en) * | 2010-11-24 | 2011-06-22 | 贵州凯星液力传动机械有限公司 | Hydraulic torque converter with speed reducer |
-
2014
- 2014-05-05 CN CN201410186033.XA patent/CN104019225B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060150762A1 (en) * | 2003-04-30 | 2006-07-13 | Gunther Petrzik | Hydraulic circuit for the control of a drive train |
| US20070187203A1 (en) * | 2006-02-10 | 2007-08-16 | Georg Gierer | Apparatus for the operation of a hydrodynamic torque converter and a therewith corresponding converter bypassing clutch of a transmission apparatus |
| CN101109443A (en) * | 2006-07-19 | 2008-01-23 | 现代自动车株式会社 | Hydraulic control system of 7-speed automatic transmission for vehicles |
| CN101349346A (en) * | 2007-07-18 | 2009-01-21 | 现代自动车株式会社 | Hydraulic control system of automatic transmission for vehicle |
| JP2010286052A (en) * | 2009-06-11 | 2010-12-24 | Honda Motor Co Ltd | Hydraulic circuit for automatic transmission |
| CN201875086U (en) * | 2010-11-24 | 2011-06-22 | 贵州凯星液力传动机械有限公司 | Hydraulic torque converter with speed reducer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061723A (en) * | 2017-05-11 | 2017-08-18 | 陕西法士特齿轮有限责任公司 | A kind of hydraulic control system of automatic speed changer |
| CN108612712A (en) * | 2018-04-10 | 2018-10-02 | 山西大学 | The electro-hydraulic proportional flow valve and control method of active pilot stage control |
| CN112503117A (en) * | 2020-11-28 | 2021-03-16 | 贵州凯星液力传动机械有限公司 | Control method of high-power hydraulic retarder |
| CN112503117B (en) * | 2020-11-28 | 2022-03-29 | 贵州凯星液力传动机械有限公司 | Control method of high-power hydraulic retarder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104019225B (en) | 2016-03-23 |
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