CN215293531U - Cooling and lubricating system of hybrid transmission - Google Patents
Cooling and lubricating system of hybrid transmission Download PDFInfo
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- CN215293531U CN215293531U CN202121384495.4U CN202121384495U CN215293531U CN 215293531 U CN215293531 U CN 215293531U CN 202121384495 U CN202121384495 U CN 202121384495U CN 215293531 U CN215293531 U CN 215293531U
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Abstract
The utility model relates to a derailleur technical field discloses a cooling and lubrication system of mixing dynamic derailleur, and this cooling and lubrication system includes: the oil pump pumps oil in the oil tank, supplies the oil to the K0 clutch and the motor stator, and controls cooling flow of the K0 clutch and the motor stator through the first cooling flow proportional solenoid valve. The utility model has the advantages that: the electronic oil pump adopts the oil-cooling form, and is smaller than traditional water-cooled motor size, is favorable to the integrated arrangement of derailleur, and through the cooling flow of a cooling flow proportion solenoid valve simultaneous control motor stator and K0 clutch, realizes cooling flow's supply as required.
Description
Technical Field
The application relates to the technical field of transmissions, in particular to a cooling and lubricating system of a hybrid transmission.
Background
At present, with the increasingly strict requirement on oil consumption by regulations, a K0 clutch and a motor are added on the basis of a double-clutch transmission by a plurality of transmission manufacturers to perform hybrid operation to form a three-clutch transmission so as to reduce the oil consumption. The K0 clutch and the motor that increase all need cool off, and the K0 clutch selects oil cold usually, and the motor stator adopts the water-cooling mode usually, but the water-cooled motor size is great, is unfavorable for the integrated arrangement of derailleur, and the cost is higher, weight is big.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mix cold-lubrication system of dynamic transmission, its mode cooling motor stator that adopts oil cold can reduce the motor size, optimize the integrated arrangement of derailleur.
The purpose of the application is realized by the following technical scheme:
a cooling and lubrication system of a hybrid transmission, comprising: the cooling system comprises an oil tank, an electronic oil pump, a K0 clutch, a motor stator and a first cooling flow proportional solenoid valve;
the oil tank is communicated with the electronic oil pump through an oil pumping oil way, an oil outlet of the electronic oil pump is communicated with an inlet of the first cooling flow proportional solenoid valve through a cooling and lubricating main oil way, the K0 clutch is communicated with an outlet of the first cooling flow proportional solenoid valve through a K0 clutch cooling oil way, and the motor stator is communicated with an outlet of the first cooling flow proportional solenoid valve through a motor stator cooling oil way.
In some embodiments of the present application, a first throttle hole is disposed on the K0 clutch cooling oil path, and a second throttle hole is disposed on the motor stator cooling oil path.
In some embodiments of the present application, the method further comprises: and a K0 clutch bypass cooling oil path, wherein a first end of the K0 clutch bypass cooling oil path is connected to the cooling lubrication main oil path, and a second end of the K0 clutch bypass cooling oil path is connected to the K0 clutch cooling oil path.
In some embodiments of the application, a third throttling hole is formed in the K0 clutch bypass cooling oil path.
In some embodiments of the subject application, a second end of the K0 clutch bypass cooling oil path is connected to the K0 clutch cooling oil path at a location between the K0 clutch and the first orifice.
In some embodiments of the present application, the method further comprises: the cooling system comprises a K1/K2 clutch and a second cooling flow proportional solenoid valve, wherein an inlet of the second cooling flow proportional solenoid valve is communicated with the cooling and lubricating main oil way, and an outlet of the second cooling flow proportional solenoid valve is communicated with the K1/K2 clutch through a K1/K2 clutch cooling oil way.
In some embodiments of the present application, the method further comprises: the pressure limiting valve is arranged on the pressure relief oil way, two ends of the pressure relief oil way are respectively communicated to the oil outlet of the electronic oil pump and the oil pumping oil way, and the pressure limiting valve is arranged on the pressure relief oil way.
In some embodiments of the present application, the method further comprises: the radiator and the pressure filter are arranged on the cooling and lubricating main oil path in series, and the pressure filter bypass valve and the pressure filter are arranged in parallel.
In some embodiments of the present application, the method further comprises: the gear system is communicated with the cooling and lubricating main oil way through a gear system lubricating oil way, the bearing system is communicated with the cooling and lubricating main oil way through a bearing system lubricating oil way, a fourth throttling hole is formed in the gear system lubricating oil way, and a fifth throttling hole is formed in the bearing system lubricating oil way.
In some embodiments of the present application, the method further comprises: the high-pressure pump oil absorption oil tank, the high-pressure pump oil absorption oil tank with the cooling and lubrication main oil circuit passes through the high-pressure pump oil absorption oil tank supply oil circuit intercommunication, be equipped with the sixth orifice on the high-pressure pump oil absorption oil tank supply oil circuit.
The utility model provides a cooling and lubrication system of hybrid transmission, motor stator adopt the oil-cooling mode to dispel the heat, compare in traditional water cooled machine size littleer, are favorable to the integrated arrangement of derailleur, and through the cooling flow of a cooling flow proportion solenoid valve simultaneous control motor stator and K0 clutch, realize cooling flow's supply as required.
Drawings
FIG. 1 is a schematic illustration of a cooling and lubrication system of a hybrid transmission according to the present application.
In the figure, 1, a fuel tank; 2. a suction filter; 3. an electronic oil pump; 4. a pressure relief valve; 5. a heat sink; 6. a filter press; 7. a filter press bypass valve; 8. cooling the bypass valve; 9. a first cooling flow proportional solenoid valve; 10. a second cooling flow proportional solenoid valve; 11. a first orifice; 12. a second orifice; 13. a third orifice; 14. a fourth orifice; 15. a fifth orifice; 16. a sixth orifice; 21. K1/K2 clutch; 22. a K0 clutch; 23. a motor stator; 24. a gear system; 25. a bearing system; 26. the high-pressure pump oil suction oil tank; 101. an oil pumping path; 102. cooling and lubricating the main oil way; 103. cooling the bypass valve oil path; 104. k0 clutch cooling oil path; 105. a motor stator cooling oil path; 106. the K0 clutch bypasses a cooling oil path; 107. the K1/K2 clutch cooling oil path; 108. a pressure relief oil path; 109. a gear system lubrication circuit; 110. a bearing system lubrication oil path; 111. oil suction tank supply oil circuit of high-pressure pump.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "first", "second", "third", "fourth", "fifth", "sixth", etc. are used to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application.
As shown in fig. 1, an embodiment of the present application provides a cooling and lubricating system for a hybrid transmission, including: the system comprises an oil tank 1, an electronic oil pump 3, a K0 clutch 22, a motor stator 23 and a first cooling flow proportional solenoid valve 9, wherein the K0 clutch 22 is used for connecting a motor and a vehicle clutch so as to control an engine; the oil tank 1 is communicated with the electronic oil pump 3 through an oil pumping oil path 101, an oil outlet of the electronic oil pump 3 is communicated with an inlet of the first cooling flow proportional solenoid valve 9 through a cooling and lubricating main oil path 102, the K0 clutch 22 is communicated with an outlet of the first cooling flow proportional solenoid valve 9 through a K0 clutch cooling oil path 104, and the motor stator 23 is communicated with an outlet of the first cooling flow proportional solenoid valve 9 through a motor stator cooling oil path 105.
Based on the technical scheme, the electronic oil pump 3 pumps oil in the oil tank 1 through the oil pumping oil path 101 so as to supply the oil in the oil tank 1 to other components for cooling and/or lubrication, the oil discharged from the oil outlet of the electronic oil pump 3 passes through the cooling and lubrication main oil path 102 and then is divided into two branches, one branch is a K0 clutch cooling oil path 104, the other branch is a motor stator cooling oil path 105, and cooling oil is respectively supplied to the K0 clutch 22 and the motor stator 23, so that the oil cooling requirements of the K0 clutch 22 and the motor stator 23 are met; and the K0 clutch 22 and the motor stator 23 are both connected with the first cooling flow proportional solenoid valve 9 to achieve cooling flow control of the K0 clutch 22 and the motor stator 23.
In some embodiments of the application, the oil pumping oil circuit 101 is provided with the suction filter 2, so that the cleanliness of oil is guaranteed, and the electronic oil pump 3 is prevented from being blocked after long-time use.
Specifically, as shown in fig. 1, a first orifice 11 is provided in the K0 clutch cooling oil path 104, and a second orifice 12 is provided in the motor stator cooling oil path 105, so as to control and distribute the amount of cooling oil flowing to the K0 clutch 22 and the motor stator 23.
Some embodiments of the present application further comprise: the K0 clutch bypass cooling oil circuit 106, the first end of the K0 clutch bypass cooling oil circuit 106 is connected to the cooling lubrication main oil circuit 102, the second end of the K0 clutch bypass cooling oil circuit 106 is connected to the K0 clutch cooling oil circuit 104, when the first cooling flow proportion electromagnetic valve 9 does not work, certain cooling oil is guaranteed to enter the K0 clutch 22, and continuous cooling of the K0 clutch is achieved.
Specifically, the K0 clutch bypass cooling oil passage 106 is provided with a third orifice 13 to control the cooling flow in the K0 clutch bypass cooling oil passage 106.
Specifically, the second end of the K0 clutch bypass cooling oil passage 106 is connected to the K0 clutch cooling oil passage 104 at a position between the K0 clutch 22 and the first orifice 11, and since there is no orifice between the second end of the K0 clutch bypass cooling oil passage 106 and the K0 clutch 22, it flows more easily than the side where the first orifice 11 is present, which is more advantageous for the continuous oil supply of the K0 clutch 22.
Some embodiments of the present application further comprise: the K1/K2 clutch 21 and the second cooling flow proportional solenoid valve 10 are controlled separately from the cooling of the K0 clutch 22 and the cooling of the motor stator 23, the inlet of the second cooling flow proportional solenoid valve 10 is communicated with the cooling and lubricating main oil path 102, the outlet of the second cooling flow proportional solenoid valve 10 is communicated with the K1/K2 clutch 21 through the K1/K2 clutch cooling oil path 107, the oil supply on demand of the K1/K2 clutch 21 is realized; it should be noted that the K1/K2 clutch 21 is a clutch in the transmission, the K1 clutch controls the odd numbered gears of the transmission, and the K2 clutch controls the even numbered gears of the transmission.
Some embodiments of the present application further comprise: the electronic oil pump comprises a pressure limiting valve 4 and a pressure relief oil way 108, two ends of the pressure relief oil way 108 are respectively communicated to an oil outlet of the electronic oil pump 3 and the oil pumping oil way 101, the pressure limiting valve 4 is arranged on the pressure relief oil way 108, and when the electronic oil pump 3 is overloaded, the pressure relief valve 4 and the pressure relief oil way 108 are involved in working to prevent the electronic oil pump 3 from being out of order.
Some embodiments of the present application further comprise: the radiator 5 and the filter press 6 are arranged on the cooling and lubricating main oil way 102 in series, the filter press bypass valve 7 and the filter press 6 are arranged in parallel, the radiator 5 on the cooling and lubricating main oil way 102 can reduce the temperature of cooling lubricating oil and prevent the oil temperature from exceeding the upper limit value set by the system, the filter press 6 can ensure the cleanliness of the oil, and the filter press bypass valve 7 can ensure enough cooling lubricating oil when the filter press 6 is blocked.
In addition, in order to prevent the pressure drop of the radiator 5 and the filter press 6 from being too large and causing the shortage of the cooling lubricant, it is necessary to connect the cooling bypass valve 8 in parallel to the radiator 5 and the filter press 6, and one end of the cooling bypass valve oil passage 103 is connected to the inlet of the radiator 5 and the other end is connected to the outlet of the filter press 6.
Some embodiments of the present application further comprise: the gear system 24 and the bearing system 25, the gear system 24 is communicated with the cooling and lubricating main oil path 102 through a gear system lubricating oil path 109, the bearing system 25 is communicated with the cooling and lubricating main oil path 102 through a bearing system lubricating oil path 110 to ensure the lubrication of the gear system 24 and the bearing system 25, the fourth throttling hole 14 is arranged on the gear system lubricating oil path 109, and the fifth throttling hole 15 is arranged on the bearing system lubricating oil path 110 to respectively control the lubricating oil amount of the gear system 24 and the bearing system 25.
Some embodiments of the present application further comprise: the high-pressure pump oil suction oil tank 26, the high-pressure pump oil suction oil tank 26 and the cooling and lubricating main oil path 102 are communicated through the high-pressure pump oil suction oil tank replenishing oil path 111 to replenish oil for the high-pressure pump oil suction oil tank 26, and the sixth throttle 16 is arranged on the high-pressure pump oil suction oil tank replenishing oil path 111 and is designed according to oil replenishing requirements.
In summary, the cooling and lubricating system of the hybrid transmission of the present application adopts an oil cooling manner to dissipate heat when the motor stator 23 is used, which is smaller than the conventional water-cooled motor, and is beneficial to the integrated arrangement of the transmission, and the first cooling flow proportional solenoid valve 9 controls the cooling flow of the motor stator 23 and the K0 clutch 22 at the same time, so as to realize the on-demand supply of the cooling flow.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A cooling and lubrication system of a hybrid transmission, comprising: the cooling system comprises an oil tank, an electronic oil pump, a K0 clutch, a motor stator and a first cooling flow proportional solenoid valve;
the oil tank is communicated with the electronic oil pump through an oil pumping oil way, an oil outlet of the electronic oil pump is communicated with an inlet of the first cooling flow proportional solenoid valve through a cooling and lubricating main oil way, the K0 clutch is communicated with an outlet of the first cooling flow proportional solenoid valve through a K0 clutch cooling oil way, and the motor stator is communicated with an outlet of the first cooling flow proportional solenoid valve through a motor stator cooling oil way.
2. The cooling and lubrication system for a hybrid transmission according to claim 1, wherein a first orifice is provided in said K0 clutch cooling oil path, and a second orifice is provided in said motor stator cooling oil path.
3. The cooling and lubricating system of a hybrid transmission according to claim 2, further comprising: and a K0 clutch bypass cooling oil path, wherein a first end of the K0 clutch bypass cooling oil path is connected to the cooling lubrication main oil path, and a second end of the K0 clutch bypass cooling oil path is connected to the K0 clutch cooling oil path.
4. The cooling and lubrication system for a hybrid transmission according to claim 3, wherein a third orifice is provided in said K0 clutch bypass cooling oil path.
5. The cooling and lubrication system of a hybrid transmission according to claim 3, wherein a second end of said K0 clutch bypass cooling oil path is connected to said K0 clutch cooling oil path at a location between said K0 clutch and said first orifice.
6. The cooling and lubricating system of a hybrid transmission according to any one of claims 1 to 5, further comprising: the cooling system comprises a K1/K2 clutch and a second cooling flow proportional solenoid valve, wherein an inlet of the second cooling flow proportional solenoid valve is communicated with the cooling and lubricating main oil way, and an outlet of the second cooling flow proportional solenoid valve is communicated with the K1/K2 clutch through a K1/K2 clutch cooling oil way.
7. The cooling and lubrication system of a hybrid transmission according to claim 1, further comprising: the pressure limiting valve is arranged on the pressure relief oil way, two ends of the pressure relief oil way are respectively communicated to the oil outlet of the electronic oil pump and the oil pumping oil way, and the pressure limiting valve is arranged on the pressure relief oil way.
8. The cooling and lubrication system of a hybrid transmission according to claim 1, further comprising: the radiator and the pressure filter are arranged on the cooling and lubricating main oil path in series, and the pressure filter bypass valve and the pressure filter are arranged in parallel.
9. The cooling and lubrication system of a hybrid transmission according to claim 1, further comprising: the gear system is communicated with the cooling and lubricating main oil way through a gear system lubricating oil way, the bearing system is communicated with the cooling and lubricating main oil way through a bearing system lubricating oil way, a fourth throttling hole is formed in the gear system lubricating oil way, and a fifth throttling hole is formed in the bearing system lubricating oil way.
10. The cooling and lubrication system of a hybrid transmission according to claim 1, further comprising: the high-pressure pump oil absorption oil tank, the high-pressure pump oil absorption oil tank with the cooling and lubrication main oil circuit passes through the high-pressure pump oil absorption oil tank supply oil circuit intercommunication, be equipped with the sixth orifice on the high-pressure pump oil absorption oil tank supply oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121384495.4U CN215293531U (en) | 2021-06-21 | 2021-06-21 | Cooling and lubricating system of hybrid transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121384495.4U CN215293531U (en) | 2021-06-21 | 2021-06-21 | Cooling and lubricating system of hybrid transmission |
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| Publication Number | Publication Date |
|---|---|
| CN215293531U true CN215293531U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121384495.4U Active CN215293531U (en) | 2021-06-21 | 2021-06-21 | Cooling and lubricating system of hybrid transmission |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593196A (en) * | 2022-01-28 | 2022-06-07 | 重庆青山工业有限责任公司 | Cooling and lubricating system of hybrid power transmission |
| US20220268354A1 (en) * | 2021-02-11 | 2022-08-25 | Zf Friedrichshafen Ag | Vehicle transmission with a lubrication system and a connection for attaching a power take-off module to the vehicle transmission |
-
2021
- 2021-06-21 CN CN202121384495.4U patent/CN215293531U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220268354A1 (en) * | 2021-02-11 | 2022-08-25 | Zf Friedrichshafen Ag | Vehicle transmission with a lubrication system and a connection for attaching a power take-off module to the vehicle transmission |
| CN114593196A (en) * | 2022-01-28 | 2022-06-07 | 重庆青山工业有限责任公司 | Cooling and lubricating system of hybrid power transmission |
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