WO2024198735A1 - 一种混合动力变速器的液压控制系统、控制方法及汽车 - Google Patents
一种混合动力变速器的液压控制系统、控制方法及汽车 Download PDFInfo
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- WO2024198735A1 WO2024198735A1 PCT/CN2024/076138 CN2024076138W WO2024198735A1 WO 2024198735 A1 WO2024198735 A1 WO 2024198735A1 CN 2024076138 W CN2024076138 W CN 2024076138W WO 2024198735 A1 WO2024198735 A1 WO 2024198735A1
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- oil
- clutch
- mechanical valve
- oil circuit
- pressure
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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
- F16H61/0021—Generation or control of line pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps; Pressure control
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps; Pressure control
- F16H57/0435—Pressure control for supplying lubricant; Circuits or valves therefor
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
- F16D2048/0233—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by rotary pump actuation
- F16D2048/0245—Electrically driven rotary pumps
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
- F16D2048/0266—Actively controlled valves between pressure source and actuation cylinder
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
- F16D2048/0287—Hydraulic circuits combining clutch actuation and other hydraulic systems
- F16D2048/029—Hydraulic circuits combining clutch actuation with clutch lubrication or cooling
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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 therefor
- F16H2061/0034—Accumulators for fluid pressure supply; Control thereof
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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
- F16H2061/0037—Generation or control of line pressure characterised by controlled fluid supply to lubrication circuits of the gearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Definitions
- the present application belongs to the technical field of hybrid vehicle transmissions, and specifically relates to a hydraulic control system, a control method and a vehicle of a hybrid vehicle transmission.
- the hybrid system of a hybrid vehicle includes components such as a generator and a drive motor, a clutch, a shaft gear, and a hydraulic system.
- the generator is connected to the engine, and the fuel consumed by the engine can be used to generate electricity and stored in the power battery.
- the drive motor is connected to the differential, and the differential is connected to the wheels through the drive shaft to directly drive the vehicle.
- There is a clutch structure between the generator and the drive motor which can realize the connection between the generator and the drive motor, that is, the engine directly drives the vehicle.
- the main working modes of the hybrid transmission are: series mode, when the power battery has sufficient power, the drive motor consumes the power battery energy to drive the vehicle.
- the engine drives the generator to store power in the power battery, and the drive motor consumes the power battery energy to drive the vehicle.
- the hydraulic system provides lubrication and cooling flow for the generator, drive motor, and shaft system; parallel mode, the clutch is engaged, the engine and generator are connected to the drive motor, at this time the engine can directly drive the vehicle, or the drive motor and engine can drive the vehicle together.
- the hydraulic system provides lubrication and cooling flow for the generator, drive motor, shaft system, and clutch, and the clutch needs to be engaged.
- the hydraulic system in the patent document (CN213920655U hybrid vehicle and its hydraulic system, gearbox, power system/CN107054056B hybrid vehicle) uses two switch solenoid valves to control one clutch.
- the hydraulic system in the patent document (CN213920655U hybrid vehicle and its hydraulic system, gearbox, power system) uses three linear valves to control one clutch and one lubrication.
- the above prior art solenoid valves are used in large quantities and are costly.
- the purpose of the present application is to provide a hydraulic control system, a control method and a vehicle for a hybrid transmission with low cost and simple structure.
- the present application provides a hydraulic control system of a hybrid transmission, comprising:
- a single clutch is arranged between the generator and the drive motor of a hybrid vehicle, and the single clutch has a clutch lubrication lubricating oil circuit and a clutch pressure oil circuit;
- a switch solenoid valve having two oil inlets and one oil outlet, wherein one oil inlet of the switch solenoid valve is connected to the oil tank, and the other oil inlet is connected to the oil pump;
- a switching mechanical valve having two oil inlets and one oil outlet, one oil inlet of the switching mechanical valve being connected to the oil tank, the other oil inlet being connected to the oil pump, and the oil outlet of the switching mechanical valve being connected to the clutch pressure oil circuit;
- a main pressure regulating mechanical valve which has an oil inlet and an oil outlet, the oil inlet of the main pressure regulating mechanical valve is connected to the oil pump, the oil outlet of the main pressure regulating mechanical valve is connected to the clutch lubricating oil circuit, and the feedback end of the main pressure regulating mechanical valve is connected to the oil pump;
- the oil outlet of the switch solenoid valve is communicated with the control end of the switching mechanical valve and the control end of the main pressure regulating mechanical valve;
- the controller controls the switch solenoid valve to adjust the oil supply pressure entering the clutch pressure oil circuit, so as to achieve the engagement or disconnection control of the single clutch.
- the hydraulic control system further includes:
- a main pressure switching mechanical valve which has two oil inlets and one oil outlet, one oil inlet of the main pressure switching mechanical valve is connected to the oil tank, and the other oil inlet is connected to the oil pump;
- the oil outlet of the main pressure switching mechanical valve is connected to the control end of the main pressure regulating mechanical valve, and the control end of the main pressure switching mechanical valve is connected to the oil outlet of the switch solenoid valve, so as to realize indirect connection between the control end of the main pressure regulating mechanical valve and the oil outlet of the switch solenoid valve.
- the hydraulic control system further includes:
- An accumulator connected to the oil circuit between the switching mechanical valve and the clutch pressure oil circuit.
- a damping hole is arranged in the oil circuit between the switching mechanical valve and the oil pump.
- the present application provides a hydraulic control system of a hybrid transmission, the hydraulic control system comprising:
- a dual clutch arranged between a generator and a drive motor of a hybrid vehicle, the dual clutch having a clutch lubrication oil circuit and two clutch pressure oil circuits;
- Two switch solenoid valves each having two oil inlets and one oil outlet; one oil inlet of each switch solenoid valve is connected to the oil tank, and the other oil inlet is connected to the oil pump;
- Two switching mechanical valves each of which has two oil inlets and one oil outlet, one oil inlet of each switching mechanical valve is connected to the oil tank, the other oil inlet is connected to the oil pump, and the oil outlet of each switching mechanical valve is connected to one of the clutch pressure oil circuits;
- a main pressure switching mechanical valve which has two oil inlets, one oil outlet and two control ends, one oil inlet of the main pressure switching mechanical valve is connected to the oil tank, the other oil inlet is connected to the oil pump, and the oil outlet of the main pressure switching mechanical valve is connected to the control end of the main pressure regulating mechanical valve;
- each switch solenoid valve is respectively connected to a control end of a switching mechanical valve and a control end of the main pressure switching mechanical valve;
- the controller controls each of the switch solenoid valves to adjust the oil supply pressure entering the clutch pressure oil circuit, so as to achieve the engagement or disconnection control of the dual clutch.
- the hydraulic control system further includes:
- An accumulator connected to the oil circuit between the switching mechanical valve and the clutch pressure oil circuit.
- a damping hole is arranged in the oil circuit between the switching mechanical valve and the oil pump.
- the present application also provides a control method for a hydraulic control system of a hybrid transmission, which is applied to the hydraulic control system of the hybrid transmission.
- the control method for the hydraulic control system includes:
- the controller controls the oil outlet of the switch solenoid valve to be connected to the oil tank, so that the main pressure regulating mechanical valve connects the oil pump and the clutch lubricating oil circuit, and the switching mechanical valve connects the clutch pressure oil circuit and the oil tank, so that the oil supply pressure entering the clutch pressure oil circuit is 0 bar, thereby realizing the disconnection of the single clutch;
- the controller controls the oil outlet of the switch solenoid valve and the oil pump to be connected, so that the main pressure regulating mechanical valve connects the oil pump and the clutch lubrication oil circuit, and the switching mechanical valve connects the clutch pressure oil circuit and the oil pump, so that the oil supply pressure entering the clutch pressure oil circuit is the preset high pressure, thereby realizing the engagement of the single clutch.
- the present application also provides a control method for a hydraulic control system of a hybrid transmission, which is applied to the hydraulic control system of the hybrid transmission.
- the control method for the hydraulic control system includes:
- the controller controls the oil outlets of the two switch solenoid valves to be connected to the oil tank, so that the main pressure regulating mechanical valve connects the oil pump and the clutch lubricating oil circuit, and the two switching mechanical valves connect the corresponding clutch pressure oil circuits to the oil tank, so that the oil supply pressure entering each clutch pressure oil circuit is 0 bar, thereby realizing the disconnection of the dual clutch;
- the controller controls the oil outlet of the switch solenoid valve corresponding to the target clutch to be connected to the oil pump, so that the main pressure regulating mechanical valve connects the oil pump and the clutch lubricating oil circuit, and the switching mechanical valve corresponding to the target clutch connects the clutch pressure oil circuit and the oil pump, so that the oil supply pressure entering the clutch pressure oil circuit corresponding to the target clutch is a preset high pressure, thereby achieving the engagement of the target clutch;
- the controller also controls the oil outlet and the oil tank of the switching solenoid valve corresponding to the remaining clutch, so that the switching mechanical valve corresponding to the remaining clutch connects the corresponding clutch pressure oil circuit and the oil tank, so that the oil supply pressure entering the clutch pressure oil circuit corresponding to the remaining clutch is 0 bar, thereby realizing the disconnection of the remaining clutch.
- the present application also provides a vehicle, comprising the hydraulic control system of the hybrid transmission or the hydraulic control system of the hybrid transmission.
- the present application uses one switch solenoid valve to control the oil supply pressure of the clutch pressure oil circuit of one clutch, and uses two switch solenoid valves to control the oil supply pressure of the clutch pressure oil circuits of two clutches, which can meet the needs of single-speed and two-speed hybrid transmissions.
- at least one solenoid valve is reduced, so that the hydraulic system structure is further simplified and the cost is further reduced.
- FIG1 is a structural diagram of a hydraulic control system in which two switch solenoid valves control two clutches in this embodiment
- FIG2 is a structural diagram of a hydraulic control system in which a switch solenoid valve controls a clutch in this embodiment
- Fig. 3 is a structural diagram of a hydraulic control system of a clutch controlled by a switch solenoid valve, which is further simplified in the present embodiment; in the figure: 1-first oil circuit, 2-second oil circuit, 3-third oil circuit, 4-fourth oil circuit, 5-fifth oil circuit, 6-sixth oil circuit, 7-seventh oil circuit, 8-eighth oil circuit, 9-ninth oil circuit, 10-tenth oil circuit, 11-eleventh oil circuit, 12-twelfth oil circuit, 13-thirteenth oil circuit, 14-fourteenth oil circuit, 15-fifteenth oil circuit, 16-sixteenth oil circuit, 17-seventeenth oil circuit, 18-eighteenth oil circuit, 19-nineteenth oil circuit.
- this embodiment provides a hydraulic control system of a hybrid transmission, the hydraulic control system comprising:
- the double clutch is arranged between the generator and the drive motor of the hybrid vehicle, and the double clutch has a clutch lubrication oil circuit 51 (corresponding to the cooling lubrication in FIG. 1 ) and two clutch pressure oil circuits (corresponding to the first clutch pressure oil circuit 52 and the second clutch pressure oil circuit 53, the first clutch pressure oil circuit 52 specifically corresponds to the clutch 1 pressure in FIG. 1, and the second clutch pressure oil circuit 53 specifically corresponds to the clutch 2 pressure);
- each switch solenoid valve has two oil inlets and one oil outlet; one oil inlet of each switch solenoid valve is connected to the oil tank 31, and the other oil inlet is connected to the oil pump 33;
- each switching mechanical valve has two oil inlets and one oil outlet, one oil inlet of each switching mechanical valve is connected to the oil tank 31, and the other oil inlet is connected to the oil pump 33 (from FIG.
- one oil inlet of the first switching mechanical valve 38 is connected to the oil tank 31, and the other oil inlet is connected to the oil pump 33, and similarly, one oil inlet of the second switching mechanical valve 39 is connected to the oil tank 31, and the other oil inlet is connected to the oil pump 33), and the oil outlet of each switching mechanical valve is respectively connected to one of the clutch pressure oil circuits (specifically, the oil outlet of the first switching mechanical valve 38 is connected to the first clutch pressure oil circuit 52, and the oil outlet of the second switching mechanical valve 39 is connected to the second clutch pressure oil circuit 53);
- a main pressure regulating mechanical valve 34 has an oil inlet and an oil outlet.
- the oil inlet of the main pressure regulating mechanical valve 34 is connected to the oil pump 33, the oil outlet of the main pressure regulating mechanical valve 34 is connected to the clutch lubricating oil circuit 51, and the feedback end of the main pressure regulating mechanical valve 34 is connected to the oil pump 33;
- the main pressure switching mechanical valve 35 has two oil inlets, one oil outlet and two control ends. One oil inlet of the main pressure switching mechanical valve 35 is connected to the oil tank 31, and the other oil inlet is connected to the oil pump 33. The oil outlet of the main pressure switching mechanical valve 35 is connected to the control end of the main pressure regulating mechanical valve 34.
- each of the switch solenoid valves is respectively connected to a control end of a switch mechanical valve and a control end of the main pressure switch mechanical valve 35 (that is, the oil outlet of the first switch solenoid valve 36 is connected to the control end of the first switch mechanical valve 38 and the first control end 351 of the main pressure switch control valve 35, and the oil outlet of the second switch solenoid valve 37 is connected to the second switch mechanical valve 39 and the second control end 352 of the main pressure switch control valve 35);
- the controller controls each of the switch solenoid valves to adjust the oil supply pressure in the clutch pressure oil circuit to achieve the engagement or disconnection control of the dual clutch.
- the specific control principle of the controller for each switch solenoid valve is as follows:
- the controller controls the oil outlets of the two switch solenoid valves to be connected to the oil tank 31, so that the main pressure regulating mechanical valve connects the oil pump 33 and the clutch lubricating oil circuit 51, and the two switching mechanical valves connect the corresponding clutch pressure oil circuits to the oil tank 31, so that the oil supply pressure entering each clutch pressure oil circuit is 0 bar, thereby realizing the disconnection of the dual clutch;
- the controller controls the oil outlet of the switch solenoid valve corresponding to the target clutch and the oil pump 33 to be connected, so that the main pressure regulating mechanical valve 34 connects the oil pump 33 and the clutch lubricating oil circuit 51, and the switching mechanical valve corresponding to the target clutch connects the clutch pressure oil circuit and the oil pump 33, so that the oil supply pressure entering the clutch pressure oil circuit corresponding to the target clutch is the preset high pressure, thereby realizing the engagement of the target clutch; at the same time, the controller also controls the oil outlet of the switch solenoid valve corresponding to the remaining clutches and the oil tank 31 to be connected, so that the switching mechanical valves corresponding to the remaining clutches connect the corresponding clutch pressure oil circuits and the oil tank 31, so that the oil supply pressure entering the clutch pressure oil circuits corresponding to the remaining clutches is 0 bar, thereby realizing the disconnection of the remaining clutches
- the hydraulic control system in this embodiment includes a first oil circuit 1, a second oil circuit 2, a third oil circuit 3, a fourth oil circuit 4, a fifth oil circuit 5, a sixth oil circuit 6, a seventh oil circuit 7, an eighth oil circuit 8, a ninth oil circuit 9, a tenth oil circuit 10, an eleventh oil circuit 11, a twelfth oil circuit 12, a thirteenth oil circuit 13, a fourteenth oil circuit 14, a fifteenth oil circuit 15, a sixteenth oil circuit 16, a seventeenth oil circuit 17, an eighteenth oil circuit 18, a nineteenth oil circuit 19, a first damping hole 21, a second damping hole 22, a
- the nylon 22 the oil tank 31, the filter 32, the oil pump 33, the main pressure regulating mechanical valve 34, the main pressure switching mechanical valve 35, the first control end 351 of the main pressure switching mechanical valve, the second control end 352 of the main pressure switching mechanical valve, the first switch solenoid valve 36, the second switch solenoid valve 37, the first switching mechanical valve 38, the second switching mechanical valve 39, the first
- the filter 32 is connected to the oil tank 31 through the first oil circuit 1, and the oil inlet of the oil pump 33 is connected to the filter 32 through the second oil circuit 2.
- the oil inlet of the main pressure regulating mechanical valve 34 is connected to the outlet of the oil pump 33 through the third oil circuit 3, and the third oil circuit 3 is connected to the fourth oil circuit 4, the fifth oil circuit 5, the sixth oil circuit 6, the seventh oil circuit 7, the eighth oil circuit 8, and the ninth oil circuit 9.
- the right feedback end of the main pressure regulating mechanical valve 34 is connected to the fifth oil circuit 5, and the left control end of the main pressure regulating mechanical valve 34 is connected to the oil outlet of the main pressure switching mechanical valve 35 through the thirteenth oil circuit 13.
- the oil outlet of the main pressure regulating mechanical valve 34 is connected to the twelfth oil circuit 12, and the twelfth oil circuit 12 is connected to the clutch lubricating oil circuit 51.
- the oil inlet of the main pressure switching mechanical valve 35 is connected to the fourth oil circuit 4 through the sixth oil circuit 6, the first control end 351 of the main pressure switching mechanical valve 35 is connected to the tenth oil circuit 10 through the fourteenth oil circuit 14, the second control end 352 of the main pressure switching mechanical valve 35 is connected to the eleventh oil circuit 11 through the fifteenth oil circuit 15, and the first control end 351 of the main pressure switching mechanical valve 35 and the second control end 352 of the main pressure switching mechanical valve 35 are not connected to each other.
- the oil inlet of the first switch solenoid valve 36 is connected to the fourth oil circuit 4 through the eighth oil circuit 8, and the oil outlet of the first switch solenoid valve 36 is connected to the right control end of the first switch mechanical valve 38 through the tenth oil circuit 10.
- the oil inlet of the first switching mechanical valve 38 is connected to the fourth oil circuit 4 through the seventh oil circuit 7, the first damping hole 21 is arranged in the seventh oil circuit 7, the oil outlet of the first switching mechanical valve 38 is connected to the sixteenth oil circuit 16, the sixteenth oil circuit 16 is connected to the first accumulator 40 through the eighteenth oil circuit 18, and the sixteenth oil circuit 16 is connected to the first clutch pressure oil circuit 52.
- the oil inlet of the second switching solenoid valve 37 is connected to the fourth oil circuit 4, and the oil outlet of the second switching solenoid valve 37 is connected to the second switching solenoid valve 37 through the eleventh oil circuit 11.
- the oil inlet of the second switching mechanical valve 39 is connected to the fourth oil circuit 4 through the ninth oil circuit 9, the second damping hole 22 is arranged in the ninth oil circuit 9, the oil outlet of the second switching mechanical valve 39 is connected to the seventeenth oil circuit 17, the seventeenth oil circuit 17 is connected to the second accumulator 41 through the nineteenth oil circuit 19, and the seventeenth oil circuit 17 is connected to the second clutch pressure oil circuit 53.
- the main pressure regulating mechanical valve 34 is a two-position two-way mechanical valve.
- the third oil circuit 3 is disconnected from the twelfth oil circuit 12.
- the main pressure regulating mechanical valve 34 is in the right end working position, the third oil circuit 3 is connected to the twelfth oil circuit 12.
- the main pressure switching mechanical valve 35 is a two-position three-way mechanical valve.
- the main pressure switching mechanical valve 35 When the main pressure switching mechanical valve 35 is in the left end working position, the thirteenth oil circuit 13 is connected to the oil tank 31, and the thirteenth oil circuit 13 is disconnected from the sixth oil circuit 6.
- the main pressure switching mechanical valve 35 When the main pressure switching mechanical valve 35 is in the right end working position, the thirteenth oil circuit 13 is disconnected from the oil tank 31, and the thirteenth oil circuit 13 is connected to the sixth oil circuit 6.
- the first switch solenoid valve 36 and the second switch solenoid valve 37 are both two-position three-way switch solenoid valves.
- the first switch solenoid valve 36 When the first switch solenoid valve 36 is not powered, the first switch solenoid valve 36 is in the right end working position, at which time the tenth oil circuit 10 is connected to the oil tank 31, and the tenth oil circuit 10 is disconnected from the eighth oil circuit 8 and the fourth oil circuit 4.
- the first switch solenoid valve 36 When the first switch solenoid valve 36 is powered, the first switch solenoid valve 36 is in the left end working position, at which time the tenth oil circuit 10 is disconnected from the oil tank 31, and the tenth oil circuit 10 is connected to the eighth oil circuit 8 and the fourth oil circuit 4; when the second switch solenoid valve 37 is not powered, the second switch solenoid valve 37 is in the right end working position, at which time the eleventh oil circuit 11 is connected to the oil tank 31, and the eleventh oil circuit 11 is disconnected from the fourth oil circuit 4. When the second switch solenoid valve 37 is powered, the second switch solenoid valve 37 is in the left end working position, at which time the eleventh oil circuit 11 is disconnected from the oil tank 31, and the eleventh oil circuit 11 is connected to the fourth oil circuit 4.
- the first switching mechanical valve 38 is a two-position three-way mechanical valve.
- the sixteenth oil circuit 16 is connected to the oil tank 31, and the sixteenth oil circuit 16 is disconnected from the seventh oil circuit 7.
- the sixteenth oil circuit 16 is disconnected from the oil tank 31, and the sixteenth oil circuit 16 is connected to the seventh oil circuit 7.
- the second switching mechanical valve 39 is a two-position three-way mechanical valve.
- the seventeenth oil circuit 17 is connected to the oil tank 31, and the seventeenth oil circuit 17 is disconnected from the ninth oil circuit 9.
- the second switching mechanical valve 39 is in the right end working position, the seventeenth oil circuit 17 is disconnected from the oil tank 31, and the seventeenth oil circuit 17 is connected to the ninth oil circuit 9.
- FIG1 it is a structural diagram of a hybrid hydraulic control system in which two switch solenoid valves control two clutches.
- the clutch When the hybrid transmission is in the series mode, the clutch is disconnected, the oil pump 33 is working, and the working oil in the oil tank 31 passes through the first oil path 1 and the filter 32 and enters the inlet of the oil pump 33 .
- the working oil at the outlet of the oil pump 33 enters the right feedback end of the main pressure regulating mechanical valve 34 through the third oil circuit 3, the fourth oil circuit 4, and the fifth oil circuit 5, and the working oil at the outlet of the oil pump 33 enters the inlet of the first switch solenoid valve 36 and the second switch solenoid valve 37 through the third oil circuit 3, the fourth oil circuit 4, and the eighth oil circuit 8.
- the first switch solenoid valve 36 and the second switch solenoid valve 37 are not powered, and the first switch solenoid valve 36 and the second switch solenoid valve 37 are both in the right end working position.
- the tenth oil circuit 10 and the fourteenth oil circuit 14 are connected to the oil tank 31, and the tenth oil circuit 10 and the fourteenth oil circuit 14 are disconnected from the eighth oil circuit 8 and the fourth oil circuit 4.
- the control oil returns to the oil tank 31 through the first switch solenoid valve 36 and the second switch solenoid valve 37, and the eleventh oil circuit 11 and the fifteenth oil circuit 15 are connected to the oil tank 31, and the eleventh oil circuit 11 and the fifteenth oil circuit 15 are disconnected from the fourth oil circuit 4.
- the pressure in the tenth oil circuit 10, the fourteenth oil circuit 14, the eleventh oil circuit 11, and the fifteenth oil circuit 15 is 0 bar.
- the spring of the first switching mechanical valve 38 makes the first switching mechanical valve 38 in the left end working position, at this time, the sixteenth oil circuit 16 and the first clutch pressure oil circuit 52 are connected to the oil tank 31, the pressure in the first clutch pressure oil circuit 52 is 0 bar, and the first clutch pressure oil circuit 52 is disconnected;
- the spring of the second switching mechanical valve 39 makes the second switching mechanical valve 39 in the left end working position, at this time, the seventeenth oil circuit 17 and the second clutch pressure oil circuit 53 are connected to the oil tank 31, the pressure in the second clutch pressure oil circuit 53 is 0 bar, and the second clutch pressure oil circuit 53 is disconnected;
- the spring of the main pressure switching mechanical valve 35 makes the main pressure switching mechanical valve 35 in the left end working position, at this time, the thirteenth oil circuit 13 is connected to the oil tank 31, and the thirteenth oil circuit 13 is disconnected from the sixth oil circuit 6.
- the pressure in the thirteenth oil circuit 13 is 0 bar
- the pressure at the right feedback end of the main pressure regulating mechanical valve 34 is balanced with the spring force of the main pressure regulating mechanical valve 34
- the main pressure regulating mechanical valve 34 is in the right working position
- the third oil circuit 3 is connected with the twelfth oil circuit 12
- the pressure in the working oil in the third oil circuit 3 and the fourth oil circuit 4 is kept at a relatively low pressure value, such as a typical design value of 2.5 bar.
- the pressure control of the first clutch pressure oil circuit 52 when the hybrid transmission receives a request to enter parallel connection, the first clutch pressure oil circuit 52 needs to be engaged.
- the second switch solenoid valve 37 is not powered, and the second switch solenoid valve 37 is in the right end working position. At this time, the eleventh oil circuit 11 and the fifteenth oil circuit 15 are connected to the oil tank 31, and the pressure in the eleventh oil circuit 11 is 0 bar.
- the spring action of the second switching mechanical valve 39 makes the second switching mechanical valve 39 in the left end working position. At this time, the seventeenth oil circuit 17 and the second clutch pressure oil circuit 53 are connected to the oil tank 31, and the pressure in the second clutch pressure oil circuit 53 is 0 bar.
- the first switch solenoid valve 36 is powered, and the first switch solenoid valve 36 is in the left end working position.
- the tenth oil circuit 10 is disconnected from the oil tank 31, the tenth oil circuit 10 and the fourteenth oil circuit 14 are connected to the eighth oil circuit 8 and the fourth oil circuit 4, and the mechanical oil pump 33 outlet
- the working oil enters the first control end 351 of the main pressure switching mechanical valve and the right control end of the first switching mechanical valve 38 through the third oil circuit 3, the fourth oil circuit 4, the eighth oil circuit 8, the tenth oil circuit 10 and the fourteenth oil circuit 14.
- the pressure in the fourteenth oil circuit 14 and the tenth oil circuit 10 is 2.5 bar, which is greater than the spring force of the main pressure switching mechanical valve 35 and the first switching mechanical valve 38.
- the main pressure switching mechanical valve 35 and the first switching mechanical valve 38 are both in the right end working position.
- the thirteenth oil circuit 13 is connected with the sixth oil circuit 6, and the seventh oil circuit 7 is connected with the sixteenth oil circuit 16. Therefore, the pressure at the left control end of the main pressure regulating mechanical valve 34 and the spring force of the main pressure regulating mechanical valve 34 are balanced with the pressure at the right feedback end.
- the second switch solenoid valve 37 is powered, and the second switch solenoid valve 37 is in the left working position.
- the eleventh oil circuit 11 is disconnected from the oil tank 31, and the eleventh oil circuit 11 and the fifteenth oil circuit 15 are connected to the fourth oil circuit 4.
- the working oil at the outlet of the mechanical oil pump 33 enters the second control end 352 of the main pressure switching mechanical valve and the control end of the second switching mechanical valve 39 through the third oil circuit 3, the fourth oil circuit 4, the eleventh oil circuit 11, and the fifteenth oil circuit 15.
- the pressure in the fifteenth oil circuit 15 and the eleventh oil circuit 11 is 2.5 bar, which is greater than the spring force of the main pressure switching mechanical valve 35 and the second switching mechanical valve 39.
- the working position of the main pressure regulating mechanical valve 34 is in the right position, the third oil circuit 3 is connected with the twelfth oil circuit 12, and the pressure of the working oil in the third oil circuit 3 and the fourth oil circuit 4, the fifth oil circuit 5, the sixth oil circuit 6, the seventh oil circuit 7, the eighth oil circuit 8, and the ninth oil circuit 9 is adjusted to a high pressure value, such as a typical design value of 10 bar.
- the ninth oil circuit 9 is connected with the seventeenth oil circuit 17, and thus connected with the second clutch pressure oil circuit 53, and the working oil begins to enter the second clutch pressure oil circuit 53.
- the second damping hole 22 is set in the ninth oil circuit 9 to control the oil filling flow of the second clutch pressure oil circuit 53.
- the second accumulator 41 is set to communicate with the second clutch pressure oil circuit 53 through the nineteenth oil circuit 19 and the seventeenth oil circuit 17, effectively reducing the pressure shock of the clutch. After a certain period of time, the pressure in the second clutch pressure oil circuit 53 reaches the target 10 bar, and the second clutch pressure oil circuit 53 is combined. Therefore, the pressure of the working oil in the third oil circuit 3 and the fourth oil circuit 4, the fifth oil circuit 5, the sixth oil circuit 6, the seventh oil circuit 7, the eighth oil circuit 8, the ninth oil circuit 9 and the second clutch pressure oil circuit 53 is controlled by controlling the switch second switch solenoid valve 37. In this state, the pressure in the second clutch pressure oil circuit 53 is 10 bar, and the second clutch pressure oil circuit 53 is in a combined state.
- the oil pump 33 provides pressure for the second clutch pressure oil circuit 53 and provides flow for the clutch lubricating oil circuit 51.
- FIG2 it is a structural diagram of a hybrid hydraulic control system in which a switch solenoid valve controls a clutch. Since the number of clutches controlled by the system is reduced, compared with the first set of structures (as shown in FIG1 ), the second set of structures (as shown in FIG2 ) reduces the eighth oil circuit 8, the ninth oil circuit 9, the eleventh oil circuit 11, the fifteenth oil circuit 15, the seventeenth oil circuit 17, the nineteenth oil circuit 19, the second damping hole 22, the second switch solenoid valve 37, the second switching mechanical valve 39, the second accumulator 41, the second clutch pressure oil circuit 53, and the second control end 352 of the main pressure switching mechanical valve.
- the oil inlet of the first switch solenoid valve 36 is directly connected to the fourth oil circuit 4, and the connection relationship of other components is the same as that of the first set of structures (as shown in FIG1 ).
- FIG3 the structural diagram of a hybrid hydraulic control system in which a switch solenoid valve controls a clutch is further simplified.
- the third set of structures reduces the main pressure switching mechanical valve 35, the first control end 351 of the main pressure switching mechanical valve, the sixth oil circuit 6, and the fourteenth oil circuit 14.
- the thirteenth oil circuit 13 is connected to the tenth oil circuit 10, and the connection relationship of other components is the same as that of the second set of structures (as shown in FIG2 ).
- FIG2 is a structural diagram of a hybrid hydraulic control system in which a switch solenoid valve controls a clutch.
- the number of clutches controlled by the system in the second set of structures is reduced to one, and the system only controls the first clutch pressure oil circuit 52.
- the control principle and process of the second set of structures are the same as those of the first set of structures (as shown in FIG1).
- the hydraulic control system includes: a controller; an oil tank 31 and an oil pump 33 connected thereto; a single clutch arranged between the generator and the drive motor of the hybrid vehicle, the single clutch having a clutch lubrication oil circuit 51 (corresponding to the cooling lubrication in FIG3) and a first clutch pressure oil circuit 52 (corresponding to the clutch 1 pressure in FIG3); a first switch solenoid valve 36, which has two oil inlets and one oil outlet, and one of the first switch solenoid valves 36 An oil inlet is connected to the oil tank 31, and the other oil inlet is connected to the oil pump 33; a first switching mechanical valve 38, which has two oil inlets and one oil outlet, one oil inlet of the first switching mechanical valve 38 is connected to the oil tank 31, and the other oil inlet is connected to the oil pump 33, and the oil outlet of the first switching mechanical valve 38 is connected to the clutch pressure oil circuit; a main pressure regulating mechanical valve 34, which has an oil inlet and an oil outlet, the oil inlet of the main pressure regulating mechanical valve 34 is
- FIG3 is a further simplified structural diagram of a hybrid hydraulic control system in which a switch solenoid valve controls a clutch.
- the third structure reduces the main pressure switching mechanical valve 35 , the first control end 351 of the main pressure switching mechanical valve, the sixth oil circuit 6 , and the fourteenth oil circuit 14 , and the thirteenth oil circuit 13 is connected to the tenth oil circuit 10 .
- the hydraulic control system includes: a controller; an oil tank 31 and an oil pump 33 connected thereto; a single clutch arranged between the generator and the drive motor of the hybrid vehicle, the single clutch having a clutch lubrication oil circuit 51 (corresponding to the cooling lubrication in FIG.
- first clutch pressure oil circuit 52 (corresponding to the clutch 1 pressure in FIG. 3 ) and a first clutch pressure oil circuit 52 (corresponding to the clutch 1 pressure in FIG. 3 ); a first switch solenoid valve 36 having two oil inlets and one oil outlet, one oil inlet of the first switch solenoid valve 36 being connected to the oil tank 31, and the other oil inlet being connected to the oil pump 33; a first switching mechanical valve 38 having two oil inlets and one oil outlet, one oil inlet of the first switching mechanical valve 38 being connected to the oil tank 31, and the other oil inlet being connected to the oil pump 33.
- the oil outlet of the first switching mechanical valve 38 is connected to the clutch pressure oil circuit;
- the main pressure regulating mechanical valve 34 has an oil inlet and an oil outlet, the oil inlet of the main pressure regulating mechanical valve 34 is connected to the oil pump 33, the oil outlet of the main pressure regulating mechanical valve 34 is connected to the clutch lubricating oil circuit 51, and the feedback end of the main pressure regulating mechanical valve 34 is connected to the oil pump 33;
- the oil outlet of the first switch solenoid valve 36 is connected to the control end of the first switching mechanical valve 38 and the control end of the main pressure regulating mechanical valve 34;
- the controller controls the first switch solenoid valve 36 to achieve regulation of the oil supply pressure entering the first clutch pressure oil circuit 52, so as to achieve engagement or disconnection control of the single clutch.
- the oil pump 33 works, and the working oil in the oil tank 31 passes through the first oil path 1 and the filter 32 and enters the inlet of the oil pump 33.
- the working oil at the outlet of the oil pump 33 passes through the third oil path 1.
- the fourth oil circuit 3, the fourth oil circuit 4, and the fifth oil circuit 5 enter the right feedback end of the main pressure regulating mechanical valve 34, and the working oil at the outlet of the oil pump 33 enters the inlet of the first switch solenoid valve 36 through the third oil circuit 3 and the fourth oil circuit 4.
- the first switch solenoid valve 36 is not powered, and the first switch solenoid valve 36 is in the right end working position.
- the tenth oil circuit 10 and the thirteenth oil circuit 13 are connected to the oil tank 31, and the pressure in the tenth oil circuit 10 and the thirteenth oil circuit 13 is 0 bar.
- the spring of the first switching mechanical valve 38 makes the first switching mechanical valve 38 in the left end working position.
- the sixteenth oil circuit 16 and the first clutch pressure oil circuit 52 are connected to the oil tank 31, and the pressure in the first clutch pressure oil circuit 52 is 0 bar, and the first clutch pressure oil circuit 52 is in a disconnected state.
- the pressure at the right feedback end of the main pressure regulating mechanical valve 34 is balanced with the spring force of the main pressure regulating mechanical valve 34, the main pressure regulating mechanical valve 34 is in the right working position, the third oil circuit 3 is connected with the twelfth oil circuit 12, and the pressure of the working oil in the third oil circuit 3 and the fourth oil circuit 4, the fifth oil circuit 5, and the seventh oil circuit 7 is kept at a relatively low pressure value, with a typical design value of 2.5 bar.
- the pressure in the first clutch pressure oil circuit 52 is 0 bar, the first clutch pressure oil circuit 52 is disconnected, and the oil pump 33 provides flow to the clutch lubricating oil circuit 51.
- the pressure of the first clutch pressure oil circuit 52 is controlled when the hybrid transmission receives a request to enter parallel operation and requires the first clutch pressure oil circuit 52 to be engaged.
- the first switch solenoid valve 36 is energized, and the first switch solenoid valve 36 is in the left end working position.
- the tenth oil circuit 10, the thirteenth oil circuit 13 are connected with the fourth oil circuit 4, and the working oil at the outlet of the mechanical oil pump 33 enters the control end of the first switching mechanical valve 38 and the main pressure regulating mechanical valve 34 through the third oil circuit 3, the fourth oil circuit 4, the tenth oil circuit 10, and the thirteenth oil circuit 13.
- the pressure in the thirteenth oil circuit 13 and the tenth oil circuit 10 is 2.5 bar, which is greater than the spring force of the first switching mechanical valve 38.
- the first switching mechanical valve 38 is in the right end working position.
- the seventh oil circuit 7 is connected with the sixteenth oil circuit 16 and the first clutch pressure oil circuit 52, and the working oil begins to enter the first clutch pressure oil circuit 52.
- the first damping hole 21 is set in the seventh oil circuit 7 for controlling the oil filling flow of the first clutch pressure oil circuit 52.
- the first accumulator 40 is set to communicate with the first clutch pressure oil circuit 52 through the eighteenth oil circuit 18 and the sixteenth oil circuit 16, so as to effectively reduce the pressure shock of the clutch.
- the pressure at the left control end of the main pressure regulating mechanical valve 34 and the spring force of the main pressure regulating mechanical valve 34 are balanced with the pressure at the right feedback end.
- the working position of the main pressure regulating mechanical valve 34 is in the right position, the third oil circuit 3 is connected with the twelfth oil circuit 12, and the pressure of the working oil in the third oil circuit 3 and the fourth oil circuit 4, the fifth oil circuit 5, and the seventh oil circuit 7 is adjusted to a high pressure value, such as a typical design value of 10 bar. After a certain period of time, the pressure in the first clutch pressure oil circuit 52 reaches the target 10 bar, and the first clutch pressure oil circuit 52 is combined.
- the pressure of the working oil in the third oil circuit 3 and the fourth oil circuit 4, the fifth oil circuit 5, the seventh oil circuit 7 and the first clutch pressure oil circuit 52 is controlled by controlling the switch of the first switch solenoid valve 36.
- the pressure in the first clutch pressure oil circuit 52 is 10 bar, and the first clutch pressure oil circuit 52 is in a combined state.
- the oil pump 33 provides pressure to the first clutch pressure oil circuit 52 and provides flow to the clutch lubricating oil circuit 51 .
- the controller when determining that the hybrid vehicle is in the series drive mode, the controller
- the oil outlet of the control switch solenoid valve is connected to the oil tank, so that the main pressure regulating mechanical valve connects the oil pump and the clutch lubricating oil circuit, and the switching mechanical valve connects the clutch pressure oil circuit and the oil tank, so that the oil supply pressure entering the clutch pressure oil circuit is 0 bar, realizing the disconnection of the single clutch;
- the controller controls the oil outlet of the switch solenoid valve and the oil pump to be connected, so that the main pressure regulating mechanical valve connects the oil pump and the clutch lubrication oil circuit, and the switching mechanical valve connects the clutch pressure oil circuit and the oil pump, so that the oil supply pressure entering the clutch pressure oil circuit is the preset high pressure (10 bar), thereby realizing the engagement of the single clutch.
- the present application uses one switch solenoid valve to control the oil supply pressure of the clutch pressure oil circuit of one clutch, and uses two switch solenoid valves to control the oil supply pressure of the clutch pressure oil circuits of two clutches, which can meet the needs of single-speed and two-speed hybrid transmissions.
- at least one solenoid valve is reduced, so that the hydraulic system structure is further simplified and the cost is further reduced.
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
Claims (10)
- 一种混合动力变速器的液压控制系统,其特征在于,包括:控制器;油箱及与其连通的油泵;布置在混合动力汽车的发电机和驱动电机之间的单离合器,所述单离合器具有一条离合器润滑油路和一条离合器压力油路;开关电磁阀,其具有两个入油口和一个出油口,所述开关电磁阀的一个入油口连通至油箱,另一个入油口连通至油泵;切换机械阀,其具有两个入油口和一个出油口,所述切换机械阀的一个入油口连通至油箱,另一个入油口连通至油泵,所述切换机械阀的出油口连通至所述离合器压力油路;主调压机械阀,其具有一个入油口和一个出油口,所述主调压机械阀的入油口连通至油泵,所述主调压机械阀的出油口连通至所述离合器润滑油路,所述主调压机械阀的反馈端连通至油泵;所述开关电磁阀的出油口与所述切换机械阀的控制端以及所述主调压机械阀的控制端连通;所述控制器通过对所述开关电磁阀进行控制,实现对通入至离合器压力油路中的供油压力的调控,以实现单离合器的结合或断开控制。
- 根据权利要求1所述的混合动力变速器的液压控制系统,其特征在于,所述液压控制系统还包括:主压力切换机械阀,其具有两个入油口和一个出油口,所述主压力切换机械阀的一个入油口连通至油箱,另一个入油口连通至油泵;所述主压力切换机械阀的出油口与所述主调压机械阀的控制端连通,所述主压力切换机械阀的控制端与所述开关电磁阀的出油口连通,以实现所述主调压机械阀的控制端至所述开关电磁阀的出油口之间间接连通。
- 根据权利要求1所述的混合动力变速器的液压控制系统,其特征在于,所述液压控制系统还包括:连通到所述切换机械阀和离合器压力油路之间的油路上的蓄能器。
- 根据权利要求1所述的混合动力变速器的液压控制系统,其特征在于,在所述切换机械阀和油泵之间的油路上布置有阻尼孔。
- 一种混合动力变速器的液压控制系统,其特征在于,所述液压控制系统包括:控制器;油箱及与其连通的油泵;布置在混合动力汽车的发电机和驱动电机之间的双离合器,所述双离合器具有一条离合器润滑油路和两条离合器压力油路;两个开关电磁阀,各开关电磁阀均具有两个入油口和一个出油口;各开关电磁阀的一个入油口连通至油箱、另一个入油口连通至油泵;两个切换机械阀,各切换机械阀均具有两个入油口和一个出油口,各所述切换机械阀的一个入油口连通至油箱、另一个入油口连通至油泵,各所述切换机械阀的出油口分别连通至一条所述离合器压力油路;主调压机械阀,其具有一个入油口和一个出油口,所述主调压机械阀的入油口连通至油泵,所述主调压机械阀的出油口连通至所述离合器润滑油路,所述主调压机械阀的反馈端连通至油泵;主压力切换机械阀,其具有两个入油口、一个出油口和两个控制端,所述主压力切换机械阀的一个入油口连通至油箱、另一个入油口连通至油泵,所述主压力切换机械阀的出油口与所述主调压机械阀的控制端连通;各所述开关电磁阀的出油口分别与一个切换机械阀的控制端以及所述主压力切换机械阀的一个控制端连通;所述控制器通过对各所述开关电磁阀进行控制,实现对通入至离合器压力油路中的供油压力的调控,以实现双离合器的结合或断开控制。
- 根据权利要求5所述的混合动力变速器的液压控制系统,其特征在于,所述液压控制系统还包括:连通到所述切换机械阀和离合器压力油路之间的油路上的蓄能器。
- 根据权利要求5所述的混合动力变速器的液压控制系统,其特征在于,在所述切换机械阀和油泵之间的油路上布置有阻尼孔。
- 一种混合动力变速器的液压控制系统的控制方法,应用于权利要求1至4中任一项所述的混合动力变速器的液压控制系统,其特征在于,所述液压控制系统的控制方法包括:在确定混合动力汽车处于串联驱动模式时,控制器控制开关电磁阀的出油口和油箱导通,使主调压机械阀将油泵和离合器润滑油路导通,使切换机械阀将离合器压力油路和油箱导通,使进入离合器压力油路中的供油压力为0bar,实现单离合器的断开;在确定混合动力汽车处于并联驱动模式时,控制器控制开关电磁阀的出油口和油泵导通,使主调压机械阀将油泵和离合器润滑油路导通,使切换机械阀将离合器压力油路和油泵导通,使进入离合器压力油路中的供油压力为预设高压,实现单离合器的结合。
- 一种混合动力变速器的液压控制系统的控制方法,应用于权利要求5至7中任一项所述的混合动力变速器的液压控制系统,其特征在于,所述液压控制系统的控制方法包括:在确定混合动力汽车处于串联驱动模式时,控制器控制两个开关电磁阀的出油口和油箱导通,使主调压机械阀将油泵和离合器润滑油路导通,使两个切换机械阀将对应的离合器压力油路和油箱导通,使进入各离合器压力油路中的供油压力为0bar,实现双离合器的断开;在确定混合动力汽车处于并联驱动模式且确定双离合器中的其中一个目标离合器需要结合时,控制器控制目标离合器对应的开关电磁阀的出油口和油泵导通,使主调压机械阀将油泵和离合器润滑油路导通,使目标离合器对应的切换机械阀将离合器压力油路和油泵导通,使进入目标离合器对应的离合器压力油路中的供油压力为预设高压,实现目标离合器的结合;同时,控制器还控制剩余离合器对应的开关电磁阀的出油口和油箱导通,使剩余离合器对应的切换机械阀将对应的离合器压力油路和油箱导通,使进入剩余离合器对应的离合器压力油路中的供油压力为0bar,实现剩余离合器的断开。
- 一种车辆,其特征在于,包括权利要求1至4中任一项所述的混合动力变速器的液压控制系统或权利要求5至7中任一项所述的混合动力变速器的液压控制系统。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP24777529.9A EP4632236A4 (en) | 2023-03-31 | 2024-02-05 | HYDRAULIC CONTROL SYSTEM FOR DEDICATED HYBRID TRANSMISSION, CONTROL METHOD AND AUTOMOTIVE |
| AU2024248682A AU2024248682B2 (en) | 2023-03-31 | 2024-02-05 | Hydraulic control system for dedicated hybrid transmission, control method, and automobile |
| MX2025007783A MX2025007783A (es) | 2023-03-31 | 2025-07-02 | Sistema de control hidraulico para transmision hibrida especifica, metodo de control y automovil |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310340495.1 | 2023-03-31 | ||
| CN202310340495.1A CN116292537B (zh) | 2023-03-31 | 2023-03-31 | 一种混合动力变速器的液压控制系统、控制方法及汽车 |
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| Publication Number | Publication Date |
|---|---|
| WO2024198735A1 true WO2024198735A1 (zh) | 2024-10-03 |
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ID=86827041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2024/076138 Ceased WO2024198735A1 (zh) | 2023-03-31 | 2024-02-05 | 一种混合动力变速器的液压控制系统、控制方法及汽车 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4632236A4 (zh) |
| CN (1) | CN116292537B (zh) |
| MX (1) | MX2025007783A (zh) |
| WO (1) | WO2024198735A1 (zh) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116292537B (zh) * | 2023-03-31 | 2026-03-13 | 重庆长安汽车股份有限公司 | 一种混合动力变速器的液压控制系统、控制方法及汽车 |
| CN116816831B (zh) * | 2023-07-19 | 2026-04-21 | 重庆隆鑫新能源科技有限公司 | 一种车辆及液压系统 |
| CN222116531U (zh) * | 2024-03-11 | 2024-12-06 | 奇瑞汽车股份有限公司 | 一种动力系统及汽车 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311974A (en) * | 1991-01-11 | 1994-05-17 | Mannesmann Rexroth Gmbh | Valve arrangement for a hydraulic transmission circuit |
| US20050247153A1 (en) * | 2004-05-07 | 2005-11-10 | Toyota Jidosha Kabushiki Kaisha | Hydraulic control device for vehicular automatic transmission |
| CN106593978A (zh) * | 2015-10-14 | 2017-04-26 | 广州汽车集团股份有限公司 | 混合动力汽车及其电机冷却液压系统 |
| CN107054056B (zh) | 2016-01-25 | 2019-05-21 | 本田技研工业株式会社 | 混合动力车辆 |
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| CN116292537A (zh) * | 2023-03-31 | 2023-06-23 | 重庆长安汽车股份有限公司 | 一种混合动力变速器的液压控制系统、控制方法及汽车 |
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| WO2015086009A1 (de) * | 2013-12-09 | 2015-06-18 | Schaeffler Technologies AG & Co. KG | Hydraulikanordnung für doppelkupplung sowie verfahren zum ansteuern oder kühlen der doppelkupplung |
| GB2530823A (en) * | 2014-05-16 | 2016-04-06 | Flybrid Automotive Ltd | Controlled cooling of a frictional engagement device in an energy recovery system |
| CN208778370U (zh) * | 2018-08-09 | 2019-04-23 | 江苏金润汽车传动科技有限公司 | 混动变速器液压系统 |
| CN111006013B (zh) * | 2018-10-08 | 2021-05-18 | 上海汽车集团股份有限公司 | 无级变速器的液压控制系统 |
| CN113757356B (zh) * | 2020-06-02 | 2023-07-28 | 广州汽车集团股份有限公司 | 车辆液压控制系统及方法 |
| CN112112955B (zh) * | 2020-09-07 | 2024-09-20 | 吉泰车辆技术(苏州)有限公司 | 液压控制系统及混动变速箱 |
| CN213871074U (zh) * | 2020-09-07 | 2021-08-03 | 吉泰车辆技术(苏州)有限公司 | 液压控制系统及混动变速箱 |
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- 2023-03-31 CN CN202310340495.1A patent/CN116292537B/zh active Active
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2024
- 2024-02-05 WO PCT/CN2024/076138 patent/WO2024198735A1/zh not_active Ceased
- 2024-02-05 EP EP24777529.9A patent/EP4632236A4/en active Pending
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2025
- 2025-07-02 MX MX2025007783A patent/MX2025007783A/es unknown
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| US5311974A (en) * | 1991-01-11 | 1994-05-17 | Mannesmann Rexroth Gmbh | Valve arrangement for a hydraulic transmission circuit |
| US20050247153A1 (en) * | 2004-05-07 | 2005-11-10 | Toyota Jidosha Kabushiki Kaisha | Hydraulic control device for vehicular automatic transmission |
| CN106593978A (zh) * | 2015-10-14 | 2017-04-26 | 广州汽车集团股份有限公司 | 混合动力汽车及其电机冷却液压系统 |
| CN107054056B (zh) | 2016-01-25 | 2019-05-21 | 本田技研工业株式会社 | 混合动力车辆 |
| CN213920655U (zh) | 2020-09-04 | 2021-08-10 | 比亚迪股份有限公司 | 混合动力车辆及其液压系统、变速箱、动力系统 |
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| CN116292537A (zh) * | 2023-03-31 | 2023-06-23 | 重庆长安汽车股份有限公司 | 一种混合动力变速器的液压控制系统、控制方法及汽车 |
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2024248682A1 (en) | 2025-07-24 |
| CN116292537B (zh) | 2026-03-13 |
| EP4632236A1 (en) | 2025-10-15 |
| EP4632236A4 (en) | 2026-03-25 |
| CN116292537A (zh) | 2023-06-23 |
| MX2025007783A (es) | 2025-08-01 |
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