CN112594366A - Pure electric or hybrid driving system cooling and lubricating structure with oil-cooled motor - Google Patents
Pure electric or hybrid driving system cooling and lubricating structure with oil-cooled motor Download PDFInfo
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- CN112594366A CN112594366A CN202110226622.6A CN202110226622A CN112594366A CN 112594366 A CN112594366 A CN 112594366A CN 202110226622 A CN202110226622 A CN 202110226622A CN 112594366 A CN112594366 A CN 112594366A
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- oil
- lubricating
- motor
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- oil way
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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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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a pure electric or hybrid driving system cooling and lubricating structure with an oil-cooled motor, which is characterized in that a third oil way is divided from a first oil way between an oil source and a front-end pressure stabilizing valve and led to the motor, and a throttling structure is arranged on the third oil way, so that the minimum lubricating flow can be provided for the motor in real time when the lubricating oil quantity demand is less in the initial working stage of the motor, and the waste of the lubricating oil can be avoided on the premise of ensuring the lubricating oil quantity of the motor; a fourth oil way is divided to the motor through a second oil way between the front-end pressure stabilizing valve and the lubricating element of the gearbox, a flow adjusting structure is arranged on the fourth oil way, the lubricating flow of the motor is adjusted and controlled in real time according to the working condition of the motor, the proportion of the lubricating oil quantity of the lubricating element of the motor and the lubricating element of the gearbox can be adjusted, the lubricating efficiency can be improved, and the efficiency of the whole driving system can be improved.
Description
Technical Field
The invention relates to the technical field of hydraulic oil circuit lubricating systems, in particular to a cooling and lubricating structure of a pure electric or hybrid driving system with an oil-cooled motor.
Background
As shown in fig. 1, a lubricating oil path in a hydraulic system is divided into two paths after flowing out from the rear section of a front-end pressure stabilizing valve of a hydraulic control system: one way flows to the lubricating element 101 of the gearbox for lubricating the lubricating element 101 of the gearbox; one way to the motor 102 for lubricating the motor 102.
In the lubrication oil path shown in fig. 1, the ratio of the amount of lubrication oil between the motor 102 and the lubrication element 101 of the transmission is fixed and cannot be changed as desired.
Disclosure of Invention
In view of this, the present invention provides a cooling and lubricating structure for a pure electric or hybrid driving system with an oil-cooled motor, so as to achieve adjustable ratio of the amount of lubricating oil of the motor to the amount of lubricating oil of the lubricating elements of the transmission.
The invention provides a pure electric or hybrid driving system cooling and lubricating structure with an oil-cooled motor, which comprises: the oil source, the front end pressure stabilizing valve, a lubricating element of the gearbox and the motor; the oil source is communicated with the front-end pressure stabilizing valve through a first oil path, and the front-end pressure stabilizing valve is communicated with a lubricating element of the gearbox through a second oil path;
a third oil way is separated from the first oil way and communicated with the motor, and a throttling structure is arranged on the third oil way;
and a fourth oil way is branched from the second oil way and communicated with the motor, and a flow adjusting structure is arranged on the fourth oil way.
In one possible implementation manner, in the structure for cooling and lubricating the pure electric or hybrid drive system with the oil-cooled motor according to the present invention, the third oil passage is provided with an orifice.
In a possible implementation manner, in the cooling and lubricating structure of the pure electric or hybrid drive system with the oil-cooled motor provided by the invention, the fourth oil path is provided with a switching proportional valve.
According to the pure electric or hybrid driving system cooling and lubricating structure with the oil-cooled motor, the third oil way is divided from the first oil way between the oil source and the front-end pressure stabilizing valve and led to the motor, and the throttling structure is arranged on the third oil way, so that the minimum lubricating flow can be provided for the motor in real time when the lubricating oil quantity demand is less in the initial working stage of the motor, and the waste of the lubricating oil can be avoided on the premise of ensuring the lubricating oil quantity of the motor; a fourth oil way is divided to the motor through a second oil way between the front-end pressure stabilizing valve and the lubricating element of the gearbox, a flow adjusting structure is arranged on the fourth oil way, the lubricating flow of the motor is adjusted and controlled in real time according to the working condition of the motor, the proportion of the lubricating oil quantity of the lubricating element of the motor and the lubricating element of the gearbox can be adjusted, the lubricating efficiency can be improved, and the efficiency of the whole driving system can be improved.
Drawings
Fig. 1 is a block diagram of a conventional lubrication oil path system;
fig. 2 is a structural block diagram of a pure electric or hybrid drive system cooling and lubricating structure with an oil-cooled motor provided by the invention.
Description of reference numerals: the hydraulic control system comprises an oil source 11, a front-end pressure stabilizing valve 12, a lubricating element 13 of the gearbox, a motor 14, a first oil path 15, a second oil path 16, a third oil path 17, a throttling structure 18, a fourth oil path 19 and a flow adjusting structure 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only illustrative and are not intended to limit the present invention.
The invention provides a pure electric or hybrid driving system cooling and lubricating structure with an oil-cooled motor, as shown in fig. 2, comprising: an oil source 11, a front-end pressure stabilizing valve 12, a lubricating element 13 of a gearbox and a motor 14; the oil source 11 is communicated with a front-end pressure maintaining valve 12 through a first oil path 15, and the front-end pressure maintaining valve 12 is communicated with a lubricating element 13 of the gearbox through a second oil path 16; as shown in fig. 2, the method further includes: the structure of the clutch 1, the clutch 2 and the two electromagnetic valves is the same as that of the existing hydraulic system, and the details are not repeated;
a third oil way 17 is branched from the first oil way 15 and communicated with the motor 14, and a throttling structure 18 is arranged on the third oil way 17;
a fourth oil path 19 is branched from the second oil path 16 and communicated with the motor 14, and a flow regulating structure 20 is arranged on the fourth oil path 19.
As shown in fig. 2, when the driving system stops working, the motor 14 does not work, the flow regulating structure 20 is in a closed state, that is, the oil volume of the fourth oil path 19 is zero, the throttling structure 18 has no flow, that is, the oil volume of the third oil path 17 is zero, and at this time, the motor 14 has no lubricating oil volume; when the motor 14 is in the initial working stage, the flow regulating structure 20 is still in the closed state, that is, the oil amount of the fourth oil path 19 is zero, when the driving system starts to work, the oil source starts to supply oil, and the minimum lubricating oil amount is provided for the motor 14 through the third oil path 17 and the throttling structure 18; as the operation of the motor 14 is increased, the flow regulating structure 20 is turned on, and the amount of lubricating oil of the motor 14 is regulated by regulating the flow regulating structure 20; therefore, the lubricating oil quantity of the motor 14 can be regulated and controlled in real time according to the working condition of the motor 14. By regulating the lubricating oil quantity of the motor 14, the proportion of the lubricating oil quantity of the motor 14 and the lubricating element of the gearbox can be adjusted, so that the lubricating efficiency can be improved, and the efficiency of the whole driving system can be improved.
In a specific implementation, in the cooling and lubricating structure of the pure electric or hybrid drive system with an oil-cooled motor according to the present invention, the throttling structure provided in the third oil passage may be a throttle hole, or may be another structure such as a throttle valve or a ball valve that can achieve a throttling function, and is not limited herein.
In a specific implementation, in the cooling and lubricating structure of the pure electric or hybrid drive system with an oil-cooled motor according to the present invention, the flow rate adjusting structure provided in the fourth oil passage may be any other structure such as a selectively opened/closed proportional valve or an electrically operated control valve capable of adjusting the flow rate, and is not limited herein.
According to the pure electric or hybrid driving system cooling and lubricating structure with the oil-cooled motor, the third oil way is divided from the first oil way between the oil source and the front-end pressure stabilizing valve and led to the motor, and the throttling structure is arranged on the third oil way, so that the minimum lubricating flow can be provided for the motor in real time when the lubricating oil quantity demand is less in the initial working stage of the motor, and the waste of the lubricating oil can be avoided on the premise of ensuring the lubricating oil quantity of the motor; a fourth oil way is divided to the motor through a second oil way between the front-end pressure stabilizing valve and the lubricating element of the gearbox, a flow adjusting structure is arranged on the fourth oil way, the lubricating flow of the motor is adjusted and controlled in real time according to the working condition of the motor, the proportion of the lubricating oil quantity of the lubricating element of the motor and the lubricating element of the gearbox can be adjusted, the lubricating efficiency can be improved, and the efficiency of the whole driving system can be improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (3)
1. The utility model provides a take pure electricity of oily cold electrical machines or mix and use actuating system cooling and lubrication structure, includes: the device comprises an oil source (11), a front-end pressure stabilizing valve (12), a lubricating element (13) of the gearbox and a motor (14); the oil source (11) is communicated with the front-end pressure maintaining valve (12) through a first oil path (15), and the front-end pressure maintaining valve (12) is communicated with a lubricating element (13) of the gearbox through a second oil path (16); the method is characterized in that:
a third oil way (17) is separated from the first oil way (15) and communicated with the motor (14), and a throttling structure (18) is arranged on the third oil way (17);
and a fourth oil way (19) is branched from the second oil way (16) and communicated with the motor (14), and a flow regulating structure (20) is arranged on the fourth oil way (19).
2. The structure for cooling and lubricating a pure electric or hybrid drive system with an oil-cooled motor according to claim 1, wherein an orifice is provided in the third oil passage (17).
3. The structure for cooling and lubricating a pure electric or hybrid drive system with an oil-cooled motor according to claim 1, wherein a switching proportional valve is provided on the fourth oil path (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110226622.6A CN112594366B (en) | 2021-03-02 | 2021-03-02 | Pure electric or hybrid driving system cooling and lubricating structure with oil-cooled motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110226622.6A CN112594366B (en) | 2021-03-02 | 2021-03-02 | Pure electric or hybrid driving system cooling and lubricating structure with oil-cooled motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112594366A true CN112594366A (en) | 2021-04-02 |
| CN112594366B CN112594366B (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110226622.6A Active CN112594366B (en) | 2021-03-02 | 2021-03-02 | Pure electric or hybrid driving system cooling and lubricating structure with oil-cooled motor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102869903A (en) * | 2010-03-29 | 2013-01-09 | 爱信艾达株式会社 | Vehicle drive device |
| CN107336597A (en) * | 2016-04-28 | 2017-11-10 | 现代自动车株式会社 | The oil supply system and its control method of vehicle |
| CN206914133U (en) * | 2017-07-24 | 2018-01-23 | 长城汽车股份有限公司 | The cooling system and motor vehicle driven by mixed power of vehicle |
| WO2019043304A1 (en) * | 2017-08-30 | 2019-03-07 | Psa Automobiles Sa | Cooling circuit assembly for a heat engine and a gearbox |
| CN109555845A (en) * | 2017-09-25 | 2019-04-02 | 丰田自动车株式会社 | The cooling device of power transmission apparatus for vehicle |
-
2021
- 2021-03-02 CN CN202110226622.6A patent/CN112594366B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102869903A (en) * | 2010-03-29 | 2013-01-09 | 爱信艾达株式会社 | Vehicle drive device |
| CN107336597A (en) * | 2016-04-28 | 2017-11-10 | 现代自动车株式会社 | The oil supply system and its control method of vehicle |
| CN206914133U (en) * | 2017-07-24 | 2018-01-23 | 长城汽车股份有限公司 | The cooling system and motor vehicle driven by mixed power of vehicle |
| WO2019043304A1 (en) * | 2017-08-30 | 2019-03-07 | Psa Automobiles Sa | Cooling circuit assembly for a heat engine and a gearbox |
| CN109555845A (en) * | 2017-09-25 | 2019-04-02 | 丰田自动车株式会社 | The cooling device of power transmission apparatus for vehicle |
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| Publication number | Publication date |
|---|---|
| CN112594366B (en) | 2021-06-18 |
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