CN109654216A - The mixed dynamic gear box hydraulic control method and system that parking and clutch integrate - Google Patents
The mixed dynamic gear box hydraulic control method and system that parking and clutch integrate Download PDFInfo
- Publication number
- CN109654216A CN109654216A CN201910086263.1A CN201910086263A CN109654216A CN 109654216 A CN109654216 A CN 109654216A CN 201910086263 A CN201910086263 A CN 201910086263A CN 109654216 A CN109654216 A CN 109654216A
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- Prior art keywords
- clutch
- parking
- oil
- hydraulic
- reversal valve
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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
- F16H61/0003—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
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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
- F16H61/0021—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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3483—Parking lock mechanisms or brakes in the transmission with hydraulic actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
System is executed the invention discloses a kind of parking and clutch executes the mixed dynamic gear box hydraulic control method and system of the system integration, it includes hydraulic control device, for executing parking unlock and parking movement；Hydraulic clutch executing agency, for controlling clutch engagement or disconnecting；Oil pump and its drive system；Reversal valve；Hydraulic oil is input to reversal valve by oil pump；Reversal valve is selectable to be transported to hydraulic control device for hydraulic oil, executes parking unlock or parking movement；Or it is selectable hydraulic oil is transported to hydraulic clutch executing agency, execute clutch engagement or disconnection movement.Control device is integrated into clutch actuator by reversal valve, oil pressure cntrol unlock is carried out to control device by the oil pump of clutch actuator, compact-sized integrated level is high, required assembly space is small, systematic part type is few, hydraulic control method is simple, substantially increases level of integrated system.
Description
Technical field
The present invention relates to gearbox control system technical field, the mixed dynamic speed change integrated in particular to a kind of parking and clutch
Case hydraulic control method and system.
Background technique
In the hydraulic control system of hybrid electric vehicle gearshift case, halting mechanism mostly uses Manual operation mechanism, required
Arrangement space is larger, and amount of parts is also more, and integrated design degree is generally relatively low.In some automatic gear-box, halting mechanism
Also have using the automatic parking control mechanism such as motor driven ball screws, hydraulic actuating fluid cylinder pressure, but driven using parking motor
Dynamic mode will cause design cost rising.Clutch actuator needs a mechanical pump to carry out clutch to transmission internal
Pressure control.
Hydraulic control automatic parking control mechanism, as CN2015207626478 describes a kind of hydraulic control of gearbox
System, which needs oil supply system that hydraulic oil is transported in each subsystem such as clutch, parking, then passes through valve-controlled hydraulic
Oil moves towards to realize the movement of each branch of clutch and parking, and structure is complicated, and the components of control system are more, and control strategy is complicated,
At high cost, integrated level is low；201710373561X also describes a kind of hydraulic control system of gearbox, needs to supply in the system
Hydraulic oil is transported in each subsystem such as clutch, parking by oil system, and selects oil circuit to realize respectively by the reversal valve of subsystem
The movement of subsystem equally faces the problem that structure is complicated, components are more, control strategy is complicated, at high cost.
Therefore how to design a kind of clutch and parking is integrated, components are few, control unit is few, control strategy is simply mixed
Dynamic gear box hydraulic control method and system are current problems faceds.
Summary of the invention
The purpose of the present invention is to solve the deficiency of the above background technology, provides a kind of simple structure, convenient control, collection
Gear box hydraulic control method and system are moved at integrated the mixing of high parking and clutch is spent.
In order to achieve this, the mixed dynamic gear box hydraulic control method that parking designed by the present invention and clutch integrate,
Be characterized in that: it includes hydraulic control device, for executing parking unlock and parking movement；Hydraulic clutch executing agency,
For controlling clutch engagement or disconnecting；Oil pump and its drive system；Reversal valve；Hydraulic oil is input to commutation by the oil pump
Valve；Reversal valve is selectable to be transported to hydraulic control device for hydraulic oil, executes parking unlock or parking movement；Or it is optional
That selects is transported to hydraulic oil hydraulic clutch executing agency, executes clutch engagement or disconnection movement or adjusting engine torque is defeated
Size out.
Further, the parking unlocking method is: extracting hydraulic oil out of gear box oil bottom case by oil pump and is transported to
Hydraulic oil is transported to parking hydraulic cylinder by reversal valve, reversal valve, and hydraulic oil drives parking piston rod movement to parking unlocked position；
The parking method is: reversal valve exports the hydraulic oil of parking hydraulic cylinder to gear box oil bottom case, the piston of parking hydraulic cylinder
Spring driving parking piston rod returns back to parking position.
Further, whether the parking piston rod moves to parking unlocked position or the judgment method of parking position is:
The position sensor of detectable parking piston rod axial position in parking hydraulic cylinder is set on the parking hydraulic cylinder,
Axial position of the parking piston rod in parking hydraulic cylinder is judged by the signal that position sensor is issued, to judge
Vehicle is in parking unlocked state or parked state.
Further, the oil pump extracts hydraulic oil out of gear box oil bottom case and the method for being transported to reversal valve is: logical
First motor driving pressure oil pump is crossed, pressure oil pump extracts oil liquid out of gear box oil bottom case and imports reversal valve.
Further, the method for the engagement of the hydraulic clutch actuating mechanism controls clutch is: when position sensor is sentenced
When the parking piston rod that breaks is in parking unlocked position, parking piston rod is maintained at parking unlocked position, and reversal valve selection will
Hydraulic oil is input in clutch plunger cylinder, and the clutch plunger bar in clutch plunger cylinder is driven to move to clutch engagement position
It sets.
Further, the method that the hydraulic clutch actuating mechanism controls clutch disconnects is: reversal valve is living by clutch
Hydraulic oil in plug cylinder is exported to gear box oil bottom case, and the reset spring of clutch system locating for the clutch plunger cylinder drives
Dynamic clutch plunger bar returns back to clutch open position.
Further, the method for the clutch plunger cylinder control engine torque output size is: in the clutch
The oil pressure sensor of oil pressure size in the detectable clutch plunger cylinder is set on device piston cylinder, passes through the anti-of oil pressure sensor
Feedback signal controls oil inlet or the emptying of clutch plunger cylinder, adjusts the oil pressure size in clutch plunger cylinder, and control clutch is living
The engine torque size of plug cylinder output.
Also further, the increase adjusting method of oil pressure is in the clutch plunger cylinder: by oil pump from from gearbox
Hydraulic oil is extracted in oil sump and hydraulic oil is transported to reversal valve, and hydraulic oil is transported to clutch plunger cylinder by reversal valve；Institute
The reduction adjusting method for stating oil pressure in clutch plunger cylinder is: reversal valve stops passing through to clutch plunger cylinder input hydraulic pressure oil
Clutch plunger cylinder is connected to by clutch pressure regulation oil pipe with gear box oil bottom case, and clutch drag is arranged on clutch pressure regulation oil pipe
Power valve enters the hydraulic oil in clutch plunger cylinder in gear box oil bottom case.
A kind of hydraulic control system for the mixed dynamic gearbox that parking is integrated with clutch, it is characterised in that: it includes gearbox
Oil sump, for accommodating hydraulic oil；Pressure oil pump and its drive system, for hydraulic oil pressurized delivered；Reversal valve receives oil
The hydraulic oil of input is pumped, hydraulic oil is directly inputted to different hydraulic actuating mechanisms and drives its movement by selection；Hydraulic parking
Executing agency directly selects conveying hydraulic oil to execute parking unlocking motion or parking movement by reversal valve；Hydraulic clutch executes
Mechanism directly selects conveying hydraulic oil to complete clutch engagement or disconnection movement by reversal valve.
Further, the reversal valve includes an oil inlet passage, the importing for hydraulic oil；The output of at least two oil pressure
Channel, for hydraulic oil to be introduced directly into hydraulic control device and hydraulic clutch executing agency.
Further, the hydraulic control device includes parking hydraulic cylinder, for driving parking piston rod movement extremely
Parking unlocked position or parking position.
Further, the hydraulic clutch executing agency includes clutch plunger cylinder, for driving clutch plunger bar
Move to clutch position or clutch open position or engine torque corresponding with speed output position.
The hydraulic oil oil return of the hydraulic clutch executing agency does not pass through any reversal valve and directly returns gear box oil bottom case.
The beneficial effects of the present invention are: control device is integrated into clutch actuator by reversal valve, pass through
The oil pump of clutch actuator carries out oil pressure cntrol unlock to control device, and compact-sized integrated level is high, and required assembly is empty
Between it is small, systematic part type is few, and hydraulic control method is simple, and is led by gearbox control to two groups of motor pumps
Dynamic control, accurate separation, engagement and the engine torque output size for controlling clutch, due to clutch plunger cylinder and parking liquid
Cylinder pressure is elastic reset one direction action oil cylinder, can realize oil inlet and oil return by reversal valve, reduce oil circuit setting, from from
Clutch piston cylinder and the hydraulic oil of parking hydraulic cylinder outflow are returned directly in gear box oil bottom case, are controlled without control valve, therefore
With biggish cost advantage, level of integrated system is substantially increased.
Detailed description of the invention
Fig. 1 is the connection structure of the hydraulic control system for the mixed dynamic gearbox that parking designed by the present invention and clutch integrate
Figure；
Wherein, 1-gear box oil bottom case, 2-pressure oil pump filters, 3-pressure oil pumps, 4-first motors, 5-change
To valve, (51-connector oil pressure output channels, 52-parking hydraulic cylinder oil pressure output channels, 53-parking hydraulic cylinder emptyings are logical
Road, 54-oil inlet passages, 55-connector emptying channels), 6-parking hydraulic cylinders (61-parking piston rods, 62-position sensings
Device, 63-piston springs, 64-pistons), 7-oil pressure sensors, 8-clutch plunger cylinders, 9-clutch drag valves, 10-
Gearbox control, the 11-the second motor, 12-temperature sensors, 13-cooling oil pump filters, 14-cooling oil pumps, 15-
Cooler, 16-generators, 17-driving motors, 18-clutch pressure regulation oil pipes, the 19-the first cooling spray, 20-the second is cold
But spray head.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Gearbox as shown in Figure 1, including gear box oil bottom case 1, pressure oil pump filter 2, pressure oil pump 3, the first electricity
Machine 4, reversal valve 5, parking hydraulic cylinder 6, oil pressure sensor 7, clutch plunger cylinder 8, clutch drag valve 9, gearbox control
10 and second motor 11, temperature sensor 12, cooling oil pump filter 13, cooling oil pump 14, cooler 15, generator 16
And driving motor 17.
As shown in Figure 1, reversal valve 5 is integrated into pressure oil pump circuit, reversal valve 5 is 3 position-5 way solenoid directional control valve, is shared
Five channels: connector oil pressure output channel 51, parking hydraulic cylinder oil pressure output channel 52, parking hydraulic cylinder emptying channel 53,
Oil inlet passage 54 and connector emptying channel 55.When reversal valve 5 does not receive the control electric current from gearbox control 10
When, indicate that oil inlet passage 54 is directly connected to connector oil pressure output channel 51, at this time at this time without carrying out parking unlocking motion
Parking hydraulic cylinder oil pressure output channel 52 is directly connected to and carries out emptying with parking hydraulic cylinder emptying channel 53, and connector emptying is logical
Road 55 is in close state.When reversal valve 5 is received from the control electric current of gearbox control 10, indicating at this time need to be into
Row parking unlocking motion, oil inlet passage 54 are directly connected to parking hydraulic cylinder oil pressure output channel 52, and connector oil pressure is defeated at this time
Channel 51 is directly connected to connector emptying channel 55 and carries out emptying out, and parking hydraulic cylinder emptying channel 53, which is in, closes shape
State.
Parking hydraulic cylinder 6 receives the hydraulic oil of the parking hydraulic cylinder oil pressure output channel 52 from reversal valve 5, piston 64
It can be moved downward together with parking piston rod 61 after bearing oil pressure effect, the compression of piston spring 63 can be overcome in motion process
Reaction force, parking piston rod 61 can make the halting mechanism of transmission internal unlock after moving downward certain stroke, lead to
Cross mechanical structure, such as protrusion, card slot make parking piston rod 61 be constantly in unlocked position, reversal valve 5 is stayed after this
52 output oil pressure of vehicle hydraulic cylinder oil pressure output channel can release.Parking is maintained at after unlocked position, and hybrid vehicle can
With with motor drive mode start starting and middle low speed segment travel, when vehicle need enter in high speed section when driving, at this time
Motor drive mode driving capability is limited, it is therefore desirable to after engaging the power of engine by clutch directly and motor driven
Power two-way be coupled and drive vehicle driving, provide driving current to first motor 4 by controller 10, and control
Device 10 controls oil inlet passage 54 and is connected to connector oil pressure output channel 51, so that the pressure signal by oil pressure sensor 7 is anti-
Feedback, 9 emptying Regulation Control of clutch drag valve, revolving speed and torque to first motor 4 carry out active control, to make pressure oil
Pump 3 generates corresponding revolving speed, output flow and oil pressure, and the active that comprehensively control completes 8 internal oil pressure of clutch plunger cylinder is accurate
The power of engine is transmitted to automotive wheel end, commutate electromagnetism during clutch control so that clutch engagement by control
The parking hydraulic cylinder oil pressure output channel 52 of valve 5 is connected to parking hydraulic cylinder emptying channel 53, so that the pressure in parking hydraulic cylinder 6
The unloading of power oil.When the red lights such as car deceleration parking or long-time, when gearbox needs to enter parking position, parking is hydraulic at this time
Pressure oil in cylinder 6 has unloaded, then the control mechanical structure of gearbox control 10 solves parking piston rod 61
Lock, under the thrust of compressed piston spring 63, piston 64 and parking piston rod 61 are moved right, when parking piston
When bar 61 moves right certain stroke, the halting mechanism of transmission internal will go into parking lock position automatically at this time,
Hereafter since the recuperability of piston spring 63 makes always gearbox be in parking lock position.
Position sensor 62, the movement position of detectable parking piston rod 61, and position signal is transported to gearbox
Controller 10, to judge that the halting mechanism in gearbox at this time is in parked state or parking unlocked state.
The gearbox control 10 of this patent at least has 7 signal control mouths, wherein the first signal control mouth is to first
Motor 4 carries out revolving speed and direct torque；Second signal control mouth carries out electric current control to the mechanical structure of limitation parking piston rod 61
System makes mechanical structure unlock to the position-limiting action of parking piston rod 61 when needing parking to unlock by current control；Third
Signal control mouth receives the position signal from position sensor 62, and hydraulic control device is in parking lock at this time for judgement
Only state or parking unlocked state；Fourth signal control mouth receives the pressure signal of oil pressure sensor 7, anti-by fuel injection pressure signal
Feedback, revolving speed and torque and the 9 emptying pressure regulation of clutch drag valve to first motor 4 carry out active control, produce pressure oil pump 3
Raw corresponding revolving speed, output flow and oil pressure, the active that comprehensively control completes 8 internal oil pressure of clutch plunger cylinder, which accurately controls, to be made
It obtains clutch engagement or disconnects or adjust the engine torque size of clutch output, the power of engine is transmitted to Automobile
Take turns end.After clutch engagement, when speed increases, judged inside clutch plunger cylinder 8 by the feedback signal of oil pressure sensor 7
Hydraulic oil is passed through commutation out of gear box oil bottom case 1 by oil pressure size, the revolving speed and direct torque oil pump 3 for controlling first motor 4
Valve 5 is input in clutch plunger cylinder 8, increases the oil pressure of clutch plunger cylinder 8, it is possible to increase the hair that clutch plunger cylinder 8 exports
Motivation torque.When speed reduces, the hydraulic oil in clutch plunger cylinder 8 is exported to speed change by clutch pressure regulation oil pipe 18
In case oil sump 1, the oil pressure in clutch plunger cylinder 8 is reduced, reduces output of the clutch plunger cylinder 8 for engine torque；
5th signal control mouth carries out commutation control to reversal valve 5；The oil liquid temperature of 6th signal control mouth reception oil temperature sensor 12
Signal, oil temperature signal feed back the revolving speed and torque to gearbox control 10, by the 7th signal control mouth to the second motor 11
Active control is carried out, so that cooling oil pump 14 generates corresponding revolving speed, output flow, comprehensively control is completed to the hair under each operating condition
The active of cooling and lubricating flow needed for motor 16 and driving motor 17 accurately controls.
Parking hydraulic cylinder 6 and clutch plunger cylinder 8 are elastic reset one-way cylinder, can be controlled and be stayed by reversal valve 5
The oil inlet of vehicle hydraulic cylinder 6 and clutch plunger cylinder 8 and emptying simplify structure, reduce into without in addition setting drainback passage
This, and be directly entered in gear box oil bottom case 1 from the hydraulic oil that parking hydraulic cylinder 6 and clutch plunger cylinder 8 are drawn off, no setting is required
Control valve controls oil return circuit, further simplifies structure, and the oil circuit control to whole system can be realized by reversal valve 5,
Substantially increase level of integrated system.
The above described is only a preferred embodiment of the present invention, not being done in any form to structure of the invention
Limitation.Any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention,
In the range of still falling within technical solution of the present invention.
Claims (12)
1. the mixed dynamic gear box hydraulic control method that a kind of parking and clutch integrate, it is characterised in that: it includes that hydraulic parking is held
Row mechanism, for executing parking unlock and parking movement；Hydraulic clutch executing agency, for controlling clutch engagement or disconnecting；
Oil pump and its drive system；Reversal valve (5)；Hydraulic oil is input to reversal valve (5) by the oil pump；Reversal valve (5) is selectable
Hydraulic oil is transported to hydraulic control device, executes parking unlock or parking movement；Or selectable hydraulic oil is conveyed
To hydraulic clutch executing agency, executes clutch engagement or disconnection movement or adjust engine torque output size.
2. the mixed dynamic gear box hydraulic control method that parking as described in claim 1 and clutch integrate, it is characterised in that: described
Parking unlocking method is: hydraulic oil extracted out of gear box oil bottom case (1) by oil pump and is transported to reversal valve (5), reversal valve (5)
Hydraulic oil is transported to parking hydraulic cylinder (6), hydraulic oil driving parking piston rod (61) moves to parking unlocked position；It is described to stay
Vehicle method is: reversal valve (5) exports the hydraulic oil of parking hydraulic cylinder (6) to gear box oil bottom case (1), parking hydraulic cylinder (6)
Piston spring (63) driving parking piston rod (61) return back to parking position.
3. the mixed dynamic gear box hydraulic control method that parking as claimed in claim 2 and clutch integrate, it is characterised in that: described
Whether parking piston rod (61) moves to parking unlocked position or the judgment method of parking position is: in the parking hydraulic cylinder
(6) the detectable parking piston rod (61) is set in the position sensor (62) of parking hydraulic cylinder (6) interior axial position, is led to
It crosses the signal that position sensor (62) is issued and judges axial position of the parking piston rod (61) in parking hydraulic cylinder (6)
It sets, to judge that vehicle is in parking unlocked state or parked state.
4. the mixed dynamic gear box hydraulic control method that parking as claimed in claim 2 and clutch integrate, it is characterised in that: described
Oil pump extracts hydraulic oil out of gear box oil bottom case (1) and the method for being transported to reversal valve (5) is: being driven by first motor (4)
Dynamic pressure oil pump (3), pressure oil pump (3) extract oil liquid out of gear box oil bottom case (1) and import reversal valve (5).
5. the mixed dynamic gear box hydraulic control method that parking as claimed in claim 3 and clutch integrate, it is characterised in that: described
The method of the engagement of hydraulic clutch actuating mechanism controls clutch is: when position sensor (62) judges the parking piston rod
(61) when being in parking unlocked position, parking piston rod (61) is maintained at parking unlocked position, and reversal valve (5) is selected hydraulic oil
It is input in clutch plunger cylinder (8), the clutch plunger bar in driving clutch plunger cylinder (8) moves to clutch engagement position
It sets.
6. the mixed dynamic gear box hydraulic control method that parking as claimed in claim 5 and clutch integrate, it is characterised in that: described
The method that hydraulic clutch actuating mechanism controls clutch disconnects is: reversal valve (5) leads the hydraulic oil in clutch plunger cylinder (8)
Out to gear box oil bottom case (1), the reset spring driving clutch of clutch system locating for the clutch plunger cylinder (8) is living
Stopper rod returns back to clutch open position.
7. the mixed dynamic gear box hydraulic control method that parking as claimed in claim 6 and clutch integrate, it is characterised in that: described
The method of clutch plunger cylinder (8) control engine torque output size is: being arranged on the clutch plunger cylinder (8) can visit
The oil pressure sensor (7) for surveying the interior oil pressure size of clutch plunger cylinder (8), passes through the feedback signal control of oil pressure sensor (7)
The oil inlet of clutch plunger cylinder (8) processed or emptying adjust the oil pressure size in clutch plunger cylinder (8), control clutch plunger
The engine torque size of cylinder (8) output.
8. the mixed dynamic gear box hydraulic control method that parking as claimed in claim 7 and clutch integrate, it is characterised in that: described
The increase adjusting method of clutch plunger cylinder (8) interior oil pressure is: extracting hydraulic oil from from gear box oil bottom case (1) is interior by oil pump
And be transported to hydraulic oil reversal valve (5), hydraulic oil is transported to clutch plunger cylinder (8) by reversal valve (5)；The clutch is living
The reduction adjusting method of plug cylinder (8) interior oil pressure is: reversal valve (5) stop to clutch plunger cylinder (8) input hydraulic pressure oil, by from
Clutch plunger cylinder (8) is connected to by clutch pressure regulation oil pipe (18) with gear box oil bottom case (1), on clutch pressure regulation oil pipe (18)
It is arranged clutch drag valve (9), enters the hydraulic oil in clutch plunger cylinder (8) in gear box oil bottom case (1).
9. a kind of hydraulic control system for the mixed dynamic gearbox that parking and clutch integrate, it is characterised in that: it includes gear box oil
Bottom case (1), for accommodating hydraulic oil；Pressure oil pump (3) and its drive system, for hydraulic oil pressurized delivered；Reversal valve
(5), the hydraulic oil of oil pump input is received, hydraulic oil is directly inputted to different hydraulic actuating mechanisms and it is driven to move by selection
Make；Hydraulic control device directly executes parking unlocking motion by reversal valve (5) selection conveying hydraulic oil or parking is dynamic
Make；Hydraulic clutch executing agency directly completes clutch engagement or disconnection movement by reversal valve (5) selection conveying hydraulic oil.
10. the hydraulic control system for the mixed dynamic gearbox that parking as claimed in claim 8 and clutch integrate, it is characterised in that:
The reversal valve (5) includes an oil inlet passage (54), the importing for hydraulic oil；At least two oil pressure output channels, are used for
Hydraulic oil is introduced directly into hydraulic control device and hydraulic clutch executing agency.
11. the hydraulic control system for the mixed dynamic gearbox that parking as claimed in claim 9 and clutch integrate, it is characterised in that:
The hydraulic control device includes parking hydraulic cylinder (6), for driving parking piston rod (61) to move to parking solution lock-bit
It sets or parking position.
12. the hydraulic control system for the mixed dynamic gearbox that parking as claimed in claim 9 and clutch integrate, it is characterised in that:
The hydraulic clutch executing agency includes clutch plunger cylinder (8), for driving clutch plunger bar to move to clutch engagement
Position or clutch open position or engine torque corresponding with speed output position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910086263.1A CN109654216A (en) | 2019-01-29 | 2019-01-29 | The mixed dynamic gear box hydraulic control method and system that parking and clutch integrate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910086263.1A CN109654216A (en) | 2019-01-29 | 2019-01-29 | The mixed dynamic gear box hydraulic control method and system that parking and clutch integrate |
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Cited By (7)
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| CN110939732A (en) * | 2019-12-11 | 2020-03-31 | 义乌吉利自动变速器有限公司 | Common actuator of clutch and parking mechanism |
| CN111895078A (en) * | 2020-07-31 | 2020-11-06 | 盛瑞传动股份有限公司 | Parking hydraulic system |
| CN111976464A (en) * | 2020-08-31 | 2020-11-24 | 东风汽车集团有限公司 | Hybrid vehicle driving system for regulating speed by using motor during gear shifting |
| CN112178183A (en) * | 2020-09-29 | 2021-01-05 | 东风汽车集团有限公司 | Electro-hydraulic control system of multi-gear hybrid power gearbox |
| CN113386725A (en) * | 2020-03-13 | 2021-09-14 | 本田技研工业株式会社 | Drive unit for vehicle |
| CN114051567A (en) * | 2019-07-09 | 2022-02-15 | 舍弗勒技术股份两合公司 | Method for detecting an emergency unlocking of a parking brake |
| CN114303021A (en) * | 2019-09-23 | 2022-04-08 | 舍弗勒技术股份两合公司 | Method for verifying a valve position of a hybrid drive train having a parking brake and at least one electric motor |
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| CN114051567A (en) * | 2019-07-09 | 2022-02-15 | 舍弗勒技术股份两合公司 | Method for detecting an emergency unlocking of a parking brake |
| CN114303021A (en) * | 2019-09-23 | 2022-04-08 | 舍弗勒技术股份两合公司 | Method for verifying a valve position of a hybrid drive train having a parking brake and at least one electric motor |
| CN110939732A (en) * | 2019-12-11 | 2020-03-31 | 义乌吉利自动变速器有限公司 | Common actuator of clutch and parking mechanism |
| CN110939732B (en) * | 2019-12-11 | 2021-12-17 | 义乌吉利自动变速器有限公司 | Common actuator of clutch and parking mechanism |
| CN113386725A (en) * | 2020-03-13 | 2021-09-14 | 本田技研工业株式会社 | Drive unit for vehicle |
| CN113386725B (en) * | 2020-03-13 | 2024-03-01 | 本田技研工业株式会社 | Drive unit for vehicle |
| CN111895078A (en) * | 2020-07-31 | 2020-11-06 | 盛瑞传动股份有限公司 | Parking hydraulic system |
| CN111976464A (en) * | 2020-08-31 | 2020-11-24 | 东风汽车集团有限公司 | Hybrid vehicle driving system for regulating speed by using motor during gear shifting |
| CN111976464B (en) * | 2020-08-31 | 2023-09-19 | 东风汽车集团有限公司 | Hybrid vehicle driving system utilizing motor for speed regulation during gear shifting |
| CN112178183A (en) * | 2020-09-29 | 2021-01-05 | 东风汽车集团有限公司 | Electro-hydraulic control system of multi-gear hybrid power gearbox |
| CN112178183B (en) * | 2020-09-29 | 2021-12-17 | 东风汽车集团有限公司 | Electro-hydraulic control system of multi-gear hybrid power gearbox |
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