CN201487180U - Hydraulic control device of combined power speed changer - Google Patents
Hydraulic control device of combined power speed changer Download PDFInfo
- Publication number
- CN201487180U CN201487180U CN2009202083130U CN200920208313U CN201487180U CN 201487180 U CN201487180 U CN 201487180U CN 2009202083130 U CN2009202083130 U CN 2009202083130U CN 200920208313 U CN200920208313 U CN 200920208313U CN 201487180 U CN201487180 U CN 201487180U
- Authority
- CN
- China
- Prior art keywords
- valve
- oil
- cooling
- oil circuit
- electromagnetic 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a hydraulic control device of a combined power speed changer, wherein a main oil way is respectively connected with a cooling and lubrication oil way, a clutch control oil way and an electromagnetic valve control oil way, the main oil way is connected with the cooling and lubricating oil way through an unloading valve, the cooling and lubricating oil way is simultaneously connected with the valve core control oil hole of the unloading valve, the oil outlet of the unloading valve is respectively connected with an oil inlet of an overflowing valve and the clutch control oil way, the oil outlet of the overflowing valve is connected with the cooling and lubricating oil way, the clutch control oil way is respectively connected with oil inlets of proportion pressure relief valves A, B, a pressure relief valve is arranged between the electromagnetic valve control oil way and the main oil way, and the electromagnetic valve control oil way is respectively connected with valve core control oil holes of the proportion pressure relief valves A, B through oil-saving holes, and is respectively connected with a switch electromagnetic valve and a parking lock hydraulic cylinder through oil-saving holes. The hydraulic control device has simple structure, can fast lubricate a speed changer, and is suitable for the hydraulic control of the combined power speed changer.
Description
Technical field
The utility model relates to a kind of automobile hydraulic control gear, especially relates to the hydraulic control device of a kind of hybrid gearbox that is used for hybrid vehicle.
Background technique
Because the enhancing of energy shortage and public's environmental consciousness, the electric vehicle or the fuel cell car of environmental protection just arise at the historic moment, yet because the restriction of technology, the automobile of the above-mentioned type also is difficult to popularize in an all-round way at short notice, therefore, the hybrid vehicle of technical comparative maturity is more satisfactory a kind of selection at present.
Because the speed changer of hybrid vehicle adopts planetary gear mechanism more, the hybrid gearbox of the hybrid vehicle Prius of Toyota Company as shown in Figure 1, can realize stepless change, so generally not establish the hydraulic control device that is mainly used in gear shift control that has as automatic transmission in the speed changer.In order to improve the transmission efficiency of speed changer, be necessary in hybrid gearbox, to be provided with lock-up clutch, so that be in energy locking motor under some special operation condition at speed changer, make the kinetic force of motor all be delivered to output shaft, perhaps when electricity starts, can locking motor, with the preventing engine reversing etc.Lubricated and the parking lock of the motor of hybrid gearbox cooling in addition, bearing etc. etc. also all needs corresponding hydraulic circuit to go to realize, but have not yet to see the integrated hydraulic control device that is used for hybrid gearbox, though and that the hydraulic control that is used for automatic transmission has is a variety of, for example be a kind of hydraulic control device and hydraulic control method that is used for automatic transmission of CN 1862062A, but and be not suitable as the hydraulic control device of hybrid gearbox as publication number.
The model utility content
The utility model is not have the problem of specific hydraulic control gear in order to solve present hybrid gearbox, and a kind of hydraulic control device that is provided with a kind of hybrid gearbox of lock-up clutch control oil channel is provided.
To achieve these goals, the utility model is by the following technical solutions: a kind of hydraulic control device of hybrid gearbox, comprise oil pump and connected working connection, described working connection respectively with cooling and lubricating oil path, the Clutch Control oil circuit is connected with the electromagnetic valve oil circuit, working connection is connected with lubricating oil path with cooling by the fuel-economizing mouth on the unloading valve, described cooling is connected with the spool control port of unloading valve with lubricating oil path simultaneously, and the oil outlet of unloading valve is connected with the filler opening and the Clutch Control oil circuit of relief valve respectively, the relief valve oil outlet is connected with lubricating oil path with cooling, on cooling and lubricating oil path, be provided with cooler, the Clutch Control oil circuit respectively with proportional pressure-reducing valve A, the filler opening of B connects, be provided with reduction valve between described electromagnetic valve oil circuit and the working connection, the electromagnetic valve oil circuit is respectively by fuel-economizing hole and proportional pressure-reducing valve A, the spool control port of B links to each other, in addition, the electromagnetic valve oil circuit also is connected with parking locking hydraulic jack with switch electromagnetic valve respectively by the fuel-economizing hole.
The hydraulic control device of a kind of hybrid gearbox of the present utility model is divided into cooling and lubricating oil path, Clutch Control oil circuit and electromagnetic valve oil circuit with working connection, thereby can satisfy the needs of hybrid gearbox to hydraulic control, the lock-up clutch A, the B that are used for locking motor or motor by Clutch Control oil circuit may command, thereby can control the working state of speed changer better, improve its transmission efficiency; Decompression valves and relief valve can be used for limiting the pressure of working connection, guarantee the proper functioning of hydraulic control device, because the fuel-economizing mouth on the unloading valve directly is connected with lubricating oil path with cooling, therefore, when the working connection pressure of control gear also during the setting pressure of no show relief valve, cooling promptly is communicated with lubricating oil path, thereby can be to the speed changer fast lubricant; Be located at cooling and can cool off the oil temperature of oil circuit, thereby improve cooling effect motor with the cooler on the lubricating oil path; The fuel-economizing hole is when having hydraulic oil to pass through, effect with damping step-down, therefore, the electromagnetic valve oil circuit is reducing greatly by the outlet pressure behind the fuel-economizing hole, flowing back to fuel tank through behind the connected proportional pressure-reducing valve pilot valve, after the energising of proportional pressure-reducing valve pilot valve, its oil circuit is shut, thereby the pressure rising of fuel-economizing mouth outlet, and the spool action of promotion proportional pressure-reducing valve main valve, make the proportional pressure-reducing valve conducting, realization is to the latch functions of motor or motor, because proportional pressure-reducing valve has delay action, therefore, can avoid the moment locking of lock-up clutch; In addition, the electromagnetic valve oil circuit also is connected with parking locking hydraulic jack with switch electromagnetic valve respectively by the fuel-economizing hole, so before switch electromagnetic valve is not switched on, hydraulic oil through the fuel-economizing hole directly flows back to fuel tank by switch electromagnetic valve, after the switch electromagnetic valve energising, its spool action blocks oil circuit, and then the pressure of fuel-economizing hole exits raises, and then promote the action of parking locking hydraulic jack, realize the parking latch functions.
As preferably, described cooling is provided with the overvoltage protection one-way valve in parallel with cooler with lubricating oil path.When force value that cooling and the pressure of lubricating oil path are set greater than the overvoltage protection one-way valve, the conducting of overvoltage protection one-way valve reduces pressure, thereby can realize overvoltage protection to cooler.
As preferably, be respectively equipped with the pressure accumulation vibration damper on described Clutch Control oil circuit and the electromagnetic valve oil circuit, can reduce its pressure surge.
As preferably, the setting pressure of described working connection is 7bar～9bar, and the setting pressure of described electromagnetic valve oil circuit is 4bar～6bar, helps the proper functioning of each oil circuit of control gear.
In sum, the utlity model has following beneficial effect: when (1) did not also reach the pressure of relief valve setting at working connection pressure, the cooling and the lubricating oil path of system were connected, and full out realized the lubricated of speed changer; (2) cooler is realized overvoltage protection; (3) adopt proportional pressure-reducing valve to remove to control lock-up clutch, help improving its braking ability.
Description of drawings
Fig. 1 is an oil hydraulic circuit schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
In the embodiment shown in fig. 1, the hydraulic control device of a kind of hybrid gearbox of the present utility model comprises fuel tank 1 and corresponding oil pump 2, before oil pump 2, be provided with filter 3, be provided with temperature transducer 4 in the fuel tank 1 so that control oil temperature, on the working connection 5 of oil pump 2 outlet end, one-way valve 9 is set, connect the filler opening 13 of unloading valve 12 and the filler opening 45 of reduction valve 44 then respectively, the oil outlet 14 of unloading valve connects the filler opening 19 and the Clutch Control oil circuit 7 of relief valve 18 respectively, the fuel-economizing mouth 16 of unloading valve, spool control port 17 is connected to cooling and lubricating oil path 6 jointly with the oil outlet 20 of relief valve, the drain tap 15 of unloading valve is connected to fuel tank 1, described cooling and lubricating oil path 6 are being divided into two-way through behind the pressure transducer 21, one the tunnel connects a cooler 23, and be provided for the one-way valve 9 of unidirectional conducting respectively at cooler 23 two ends, another road then connects an overvoltage protection one-way valve 22, article two, oil circuit connects temperature transducer 4 respectively after merging again, motor cools off filler opening 25, and is connected with the filler opening 27 of lubrication system by a series flow control valve 26; The Clutch Control oil circuit 7 that is connected with the oil outlet 14 of unloading valve is provided with pressure transducer 21, pressure accumulation vibration damper 29 with stable and pilot pressure, be connected with the filler opening 33 of proportional pressure-reducing valve A 30, the filler opening 40 of proportional pressure-reducing valve B 37 respectively then, 34,41 of the oil outlets of proportional pressure-reducing valve A, B connect the filler opening 36,43 of lock-up clutch A, B respectively; Working connection 5 remains on pressure about 5bar after through reduction valve 44 decompressions, the oil outlet 46 of reduction valve is connected with electromagnetic valve oil circuit 8, electromagnetic valve oil circuit 8 is divided into three the tunnel and link to each other with pressure accumulation vibration damper 29 after through a filter 3, first and second road is connected with the spool control port 35,42 of proportional pressure-reducing valve A, B by 49 backs, a fuel-economizing hole respectively, and Third Road is connected with parking locking hydraulic jack 51 with switch electromagnetic valve 50 respectively by behind a fuel-economizing hole 49.
Do an explanation with regard to the working principle of three oil circuits of system below.
One, cooling and lubricating oil path: when system begins to start, the oil of fuel tank 1 is through oil pump 2 pressurizations and through behind the one-way valve 9, flow into unloading valve 12 and reduction valve 44 respectively, because this moment, the pressure of oil circuit was also lower, so the pressure of unloading valve oil outlet 14 does not also reach the setting pressure of relief valve 18, relief valve 18 not conductings, and enter cooling and lubricating oil path 6 from the oil that the fuel-economizing mouth 16 of unloading valve flows out, after supercooler 23 cooling, can be to the speed changer fast lubricant, and realize the cooling of motor; When the pressure of unloading valve oil outlet 14 raise gradually and setting pressure greater than relief valve 18 after, relief valve 18 conductings, the oil of its oil outlet 20 flows into cooling and lubricating oil path 6; When the pressure of unloading valve oil outlet 14 continues to raise, the pressure of relief valve oil outlet 20 increases, raise with unloading valve spool control port 17 pressure that cooling is connected with lubricating oil path 6 this moment, promote the spool action of unloading valve 12, this moment, the drain tap 15 of unloading valve was connected, too much oil flows back to fuel tank 1, and the pressure of working connection 5 is remained on about 8bar; When cooling during with the overpressure of lubricating oil path 6,22 conductings of overvoltage protection one-way valve also make the cooling and the pressure of lubricating oil path 6 reduce, thereby effectively protect cooler 23.
Two, Clutch Control oil circuit and electromagnetic valve oil circuit: when pilot valve 32,39 no electric circuits of proportional pressure-reducing valve A, B, the oil of electromagnetic valve oil circuit 8 flows back to fuel tank 1 from the pilot valve 32,39 of spool control port 35,42 inflow backs direct passing ratio reduction valve A, the B of proportional pressure-reducing valve A, B, main valve 31, the 38 not conductings of proportional pressure-reducing valve A, B, then corresponding lock-up clutch A, B do not work; After pilot valve 32 energisings of proportional pressure-reducing valve A, its spool action blocks oil outlet, therefore spool control port 35 pressure of proportional pressure-reducing valve A raise, thereby promote the spool action of the main valve 31 of proportional pressure-reducing valve A, and make filler opening 33 and oil outlet 34 conductings of proportional pressure-reducing valve A, thereby promote lock-up clutch A work, realize its latch functions; And after the pilot valve 32 of proportional pressure-reducing valve A cuts off the power supply once more, its spool returning position, the oil that enters the spool control port 35 of proportional pressure-reducing valve A flows back to fuel tank 1 and step-down again, main valve 31 valve core resets of proportional pressure-reducing valve A also cut off oil circuit, thereby discharge lock-up clutch A, the conducting of proportional pressure-reducing valve B is identical with the control principle of reset control principle and proportional pressure-reducing valve A; The parking locking hydraulic jack 51 that is connected with electromagnetic valve oil circuit 8 simultaneously is owing to be parallel with switch electromagnetic valve 50, therefore when switch electromagnetic valve 50 no electric circuits, oil through fuel-economizing hole 49 directly flows back to fuel tank 1 by switch electromagnetic valve 50, parking locking hydraulic jack 51 is not worked, after switch electromagnetic valve 50 energisings, its spool action blocks oil circuit, and then the oil through fuel-economizing hole 49 enters parking locking hydraulic jack 51 and promotes its work, realizes the parking locking; After switch electromagnetic valve 50 cut off the power supply once more, its valve core reset was opened oil circuit again, and at this moment, the oil that comes out from fuel-economizing hole 49 flows back to fuel tank 1 and pressure release again, thereby discharged parking locking hydraulic jack 51.
Claims (7)
1. the hydraulic control device of a hybrid gearbox, comprise oil pump (1) and connected working connection (5), it is characterized in that, described working connection (5) respectively with cooling and lubricating oil path (6), Clutch Control oil circuit (7) is connected with electromagnetic valve oil circuit (8), working connection (5) is connected with lubricating oil path (6) with cooling by the fuel-economizing mouth (16) on the unloading valve (12), described cooling is connected with the spool control port (17) of unloading valve (12) with lubricating oil path (6) simultaneously, and the oil outlet of unloading valve (14) is connected with the filler opening (19) and the Clutch Control oil circuit (7) of relief valve (18) respectively, relief valve oil outlet (20) is connected with lubricating oil path (6) with cooling, on cooling and lubricating oil path (6), be provided with cooler (23), Clutch Control oil circuit (7) respectively with proportional pressure-reducing valve A, B (32,37) filler opening (33,40) connect, be provided with reduction valve (44) between described electromagnetic valve oil circuit (8) and the working connection (5), electromagnetic valve oil circuit (8) is respectively by fuel-economizing hole (49) and proportional pressure-reducing valve A, the spool control port (35 of B, 42) link to each other, in addition, electromagnetic valve oil circuit (8) also is connected with parking locking hydraulic jack (51) with switch electromagnetic valve (50) respectively by fuel-economizing hole (49).
2. the hydraulic control device of a kind of hybrid gearbox according to claim 1 is characterized in that, described cooling is provided with the overvoltage protection one-way valve (22) in parallel with cooler (23) with lubricating oil path (6).
3. the hydraulic control device of a kind of hybrid gearbox according to claim 1 and 2 is characterized in that, is respectively equipped with pressure accumulation vibration damper (29) on described Clutch Control oil circuit (7) and the electromagnetic valve oil circuit (8).
4. the hydraulic control device of a kind of hybrid gearbox according to claim 1 and 2 is characterized in that, the pressure of described working connection (5) is 7bar～9bar.
5. the hydraulic control device of a kind of hybrid gearbox according to claim 3 is characterized in that, the pressure of described working connection (5) is 7bar～9bar.
6. the hydraulic control device of a kind of hybrid gearbox according to claim 4 is characterized in that, the pressure of described electromagnetic valve oil circuit (8) is 4bar～6bar.
7. the hydraulic control device of a kind of hybrid gearbox according to claim 5 is characterized in that, the pressure of described electromagnetic valve oil circuit (8) is 4bar～6bar.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202083130U CN201487180U (en) | 2009-08-24 | 2009-08-24 | Hydraulic control device of combined power speed changer |
| ES10811108.9T ES2537419T3 (en) | 2009-08-24 | 2010-08-24 | Hydraulic control device for hybrid transmission |
| PCT/CN2010/001284 WO2011022941A1 (en) | 2009-08-24 | 2010-08-24 | Hydraulic control device for hybrid transmission |
| EP10811108.9A EP2472147B1 (en) | 2009-08-24 | 2010-08-24 | Hydraulic control device for hybrid transmission |
| JP2012525854A JP5602860B2 (en) | 2009-08-24 | 2010-08-24 | Hydraulic control device for hybrid transmission |
| KR1020127004847A KR101485514B1 (en) | 2009-08-24 | 2010-08-24 | Hydraulic control device for hybrid transmission |
| US13/371,622 US8439179B2 (en) | 2009-08-24 | 2012-02-13 | Hydraulic control device for hybrid transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202083130U CN201487180U (en) | 2009-08-24 | 2009-08-24 | Hydraulic control device of combined power speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201487180U true CN201487180U (en) | 2010-05-26 |
Family
ID=42426059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202083130U Expired - Lifetime CN201487180U (en) | 2009-08-24 | 2009-08-24 | Hydraulic control device of combined power speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201487180U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022941A1 (en) * | 2009-08-24 | 2011-03-03 | 上海华普国润汽车有限公司 | Hydraulic control device for hybrid transmission |
| CN103154580A (en) * | 2010-10-19 | 2013-06-12 | 丰田自动车株式会社 | Oil pressure control device for vehicle automatic transmission system |
| CN103629343A (en) * | 2012-08-27 | 2014-03-12 | 通用汽车环球科技运作有限责任公司 | Electro-hydraulic control system using shift valves for a hybrid drive unit |
| CN101994825B (en) * | 2009-08-24 | 2014-04-30 | 上海华普国润汽车有限公司 | Hydraulic control device for hybrid power transmission |
| CN110748637A (en) * | 2019-10-29 | 2020-02-04 | 科力远混合动力技术有限公司 | Pressure control method of hydraulic system of hybrid power transmission |
| CN110966400A (en) * | 2019-12-09 | 2020-04-07 | 义乌吉利自动变速器有限公司 | Gearbox hydraulic control system and vehicle |
-
2009
- 2009-08-24 CN CN2009202083130U patent/CN201487180U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022941A1 (en) * | 2009-08-24 | 2011-03-03 | 上海华普国润汽车有限公司 | Hydraulic control device for hybrid transmission |
| US8439179B2 (en) | 2009-08-24 | 2013-05-14 | Shanghai Maple Guorun Automobile Co. | Hydraulic control device for hybrid transmission |
| CN101994825B (en) * | 2009-08-24 | 2014-04-30 | 上海华普国润汽车有限公司 | Hydraulic control device for hybrid power transmission |
| CN103154580A (en) * | 2010-10-19 | 2013-06-12 | 丰田自动车株式会社 | Oil pressure control device for vehicle automatic transmission system |
| CN103154580B (en) * | 2010-10-19 | 2015-04-08 | 丰田自动车株式会社 | Oil pressure control device for vehicle automatic transmission system |
| CN103629343A (en) * | 2012-08-27 | 2014-03-12 | 通用汽车环球科技运作有限责任公司 | Electro-hydraulic control system using shift valves for a hybrid drive unit |
| CN103629343B (en) * | 2012-08-27 | 2016-04-13 | 通用汽车环球科技运作有限责任公司 | Conversion valve is used to be used for the electric hydraulic pressure control system of hybrid drive unit |
| CN110748637A (en) * | 2019-10-29 | 2020-02-04 | 科力远混合动力技术有限公司 | Pressure control method of hydraulic system of hybrid power transmission |
| CN110966400A (en) * | 2019-12-09 | 2020-04-07 | 义乌吉利自动变速器有限公司 | Gearbox hydraulic control system and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101994825B (en) | Hydraulic control device for hybrid power transmission | |
| CN201487180U (en) | Hydraulic control device of combined power speed changer | |
| EP2472147B1 (en) | Hydraulic control device for hybrid transmission | |
| CN103223849B (en) | A kind of parallel-connection type hybrid power driver for vehicle | |
| CN204985686U (en) | A hydraulic control system for hybrid double clutch automatic transmission | |
| CN103775595B (en) | A kind of automobile-used regenerative braking stepless speed variator | |
| CN108006209A (en) | Double clutch automatic speed changing case cooling and lubricating hydraulic control system and vehicle | |
| CN211474836U (en) | Hydraulic gear shifting and cooling and lubricating system for hybrid power transmission | |
| EP2610517B1 (en) | Hydraulic system, driving system and electric vehicle | |
| CN106838288B (en) | The two electronic automobile-used retarder hydraulic control oil circuit of speed of one kind | |
| CN102330759A (en) | Hydraulic system and hybrid power vehicle comprising same | |
| CN102359621A (en) | Electronic hydraulic control valve of transmission and stepless transmission comprising same | |
| CN202278968U (en) | Hydraulic control system of hybrid power transmission device | |
| CN101788051A (en) | Hydraulic control system used in failure of electric control system of automatic speed changer | |
| CN112943752A (en) | Special gearbox hydraulic circuit for hybrid power | |
| CN212672375U (en) | Oil source device and automobile | |
| CN110748637B (en) | Pressure control method of hydraulic system of hybrid power transmission | |
| CN218440578U (en) | Automatic gearbox hydraulic control system and vehicle | |
| CN206571962U (en) | The fast electric car decelerator hydraulic control oil circuit of one kind two | |
| CN213419859U (en) | Double-pump double-clutch hydraulic system | |
| CN113883259A (en) | Hydraulic system for controlling lubricating oil flow of three-clutch transmission | |
| CN202812168U (en) | Hydraulic control device of six-speed automatic transmission | |
| CN209244979U (en) | Double accumulator brake energy recovering systems based on hydraulic mechanical stepless gearbox | |
| CN201884617U (en) | Low-pressure control and lubrication hydraulic system of wheeled tractor transmission system | |
| CN210889570U (en) | Hydraulic system of hybrid power gearbox |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090824 |
|
| RGAV | Abandon patent right to avoid regrant |