CN212063778U - Motor shell internal circulation integrated cooling system - Google Patents
Motor shell internal circulation integrated cooling system Download PDFInfo
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- CN212063778U CN212063778U CN202020495128.0U CN202020495128U CN212063778U CN 212063778 U CN212063778 U CN 212063778U CN 202020495128 U CN202020495128 U CN 202020495128U CN 212063778 U CN212063778 U CN 212063778U
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Abstract
The utility model discloses an integrated cooling system of motor case inner loop, including motor casing, gearbox casing, cooling oil duct, external heat dissipation module, the cooling oil duct arranges in motor casing and gearbox casing, the top in the box outside is equipped with horizontal cooling surface, be equipped with external heat dissipation module on the horizontal cooling surface. Compared with the prior art, the utility model discloses the radiating efficiency is high, has improved the cooling efficiency of motor casing, gear box casing greatly. Still be equipped with horizontal radiating surface, external heat dissipation module can superpose fast promotes the heat radiating area and the heat dissipation volume of motor rapidly.
Description
Technical Field
The utility model relates to the technical field of motors, specifically be an integrated cooling system of motor case inner loop.
Background
With the development, popularization and popularization of new energy electric vehicles, the development of driving motors for electric vehicles has become a new subject. The driving motor for the electric automobile is a working device for converting electric energy into mechanical energy, and compared with a common dragging motor, the driving motor has the problems that the space for installation is small, the working temperature is high, the outdoor temperature difference is large, the driving motor is frequently started and the like in the working environment. Therefore, the driving motor is required to have the characteristics of high efficiency, low temperature, small volume and the like. The motor shell needs to be cooled under many conditions, the cooling mode of the motor shell on the market at present is divided into water cooling and air cooling, a plurality of through holes are axially arranged on the motor shell, and are communicated into an S-shaped closed channel through grooves and sealing rings which are arranged on the side walls of two sides in a staggered mode, so that a plurality of through holes are axially arranged on the motor shell, and a cooling water channel in an axial circuitous mode is formed on the motor shell, the structure has simple processing technology, but has some problems, the S-shaped closed channel can be formed by the aid of the sealing rings, when flanges on two sides are connected with the motor shell, if fixed screw holes are arranged on the side end surface of the motor shell, a plurality of through holes for screws to pass through are required to be arranged on the sealing rings, the sealing performance of the cooling water channel can be influenced at the moment, and the cooling water channel can be formed only after the, the detection of the sealing performance of the cold water channel also causes inconvenience.
The existing new energy vehicle driving motor part is mostly formed by dispersedly connecting a motor part, a water pump or an oil pump part, a connecting pipeline and a heat dissipation box part, has various parts and complex arrangement of installation space, has great influence on the standardized application of products, has higher failure rate and is influenced by weak parts, such as pipeline aging, transmission failure and the like. With the development of the automobile industry, higher requirements are provided for miniaturization, high power density and high reliability of a motor, and how to efficiently and reliably perform heat dissipation is the core of the faced technology upgrading.
Therefore, the design of a cooling and heat dissipation system with highly integrated structure, modularized function and high heat dissipation efficiency is a necessary requirement in the new energy vehicle driving motor industry.
SUMMERY OF THE UTILITY MODEL
The utility model provides an integrated cooling system of motor housing inner loop.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a motor shell internal circulation integrated cooling system comprises a driving system, wherein the driving system comprises a motor, the motor comprises a motor shell, a gear box shell, a cooling oil duct and an external heat dissipation module, the motor is fixedly arranged in the motor shell, a gear box is fixedly arranged in the gear box shell, an oil pump is arranged in the gear box, the cooling oil duct is arranged in the motor shell and the gear box shell, an oil inlet of the cooling oil duct is communicated with an oil outlet of the oil pump, the cooling oil duct comprises a linear oil duct and an annular oil duct, the linear oil duct is axially arranged in parallel with the motor, the end face of the linear oil duct is communicated and connected with the annular oil duct, the linear oil duct and the annular oil duct are integrally arranged to form a closed loop, the motor shell comprises a front end cover, a box body and a rear end cover, a horizontal heat dissipation surface is arranged, the oil-cooling type oil-water separator is characterized in that a mounting hole fixedly connected with an external heat dissipation module is formed in the horizontal heat dissipation surface, the external heat dissipation module is communicated with the cooling oil duct, the external heat dissipation module comprises an oil storage cavity, an external heat dissipation module oil inlet and an external heat dissipation module oil outlet, the external heat dissipation module oil inlet and the external heat dissipation module oil outlet are respectively communicated with the oil storage cavity, the external heat dissipation module oil inlet is connected with an oil pump, and the external heat dissipation module oil outlet is connected with the cooling oil duct.
Further, the linear oil ducts on the motor shell are arranged in parallel and communicated through the annular oil ducts.
Further, the straight oil passage comprises a plurality of parallel oil passages at the top, a plurality of parallel oil passages at the bottom and 4 oil passages at two sides
Furthermore, the driving system further comprises a reduction gearbox and a controller, the motor, the reduction gearbox and the controller are integrally arranged, the motor and the reduction gearbox output coaxially, a mounting point for mounting the controller is arranged on the horizontal radiating surface, and the controller is located at the top of the horizontal radiating surface and arranged in parallel with the horizontal radiating surface.
Furthermore, the bottom of the external heat dissipation module is parallel to the horizontal heat dissipation surface and is connected with the horizontal heat dissipation surface in an abutting mode.
Further, the motor shell and the gearbox shell are fixedly connected, and a common shell is arranged at the joint.
Furthermore, the joint of the oil outlet of the external heat dissipation module and the cooling oil channel is positioned on the motor shell and is close to the gear box shell.
Compared with the prior art, the utility model discloses be applied to new forms of energy vehicle's driving motor heat dissipation, its radiating mode mainly circulates in motor casing, gear box casing through gear box lubricating oil, makes the heat of motor work transmit rapidly to housing face through the lubricating oil circulation and carries out the heat exchange with the air, and the radiating efficiency is high. The cooling oil duct of the utility model is a combination of a straight line oil duct and an annular oil duct, and the oil duct in the shell body in the direction parallel to the motor shaft is the straight line oil duct, so that the complex oil duct processing technology is avoided; the linear oil ducts are connected through the end face annular oil passages, so that liquid forms annular circulation in the whole motor shell and the whole gear box shell, and the cooling efficiency of the motor shell and the gear box shell is greatly improved. The utility model discloses still be equipped with horizontal cooling surface, the external radiating module that can superpose fast promotes the heat radiating area and the heat dissipation volume of motor rapidly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a motor housing;
FIG. 3 is a schematic structural diagram of a cooling gallery;
fig. 4 is a schematic structural diagram of an external heat dissipation module.
In the figure: 1. a motor housing; 2. an oil outlet of the oil pump; 3. an oil inlet of the external radiating module; 4. an oil outlet of the external heat dissipation module; 5. a horizontal heat dissipation surface; 6. a motor; 7. an oil pump; 8. a linear oil passage; 9. An annular oil passage; 10. a cooling oil passage; 11. an external heat dissipation module; 12. a front end cover; 13. a box body; 14. And a rear end cap.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the integrated cooling system for internal circulation of a motor casing comprises a driving system, wherein the driving system comprises a motor 6, and the driving system comprises a motor casing 1, a gearbox casing, a cooling oil passage 10 and an external heat dissipation module 11. The driving system further comprises a reduction gearbox and a controller, the motor 6, the reduction gearbox and the controller are integrally arranged, and the motor 6 and the reduction gearbox output coaxially.
As shown in fig. 2, a motor 6 is fixedly arranged in the motor housing 1, a gear box is fixedly arranged in the gear box housing, and an oil pump 7 is arranged in the gear box.
As shown in fig. 3 and 4, the cooling oil passage 10 is disposed in a motor housing 1 and a gear housing, and the motor housing 1 and the gear housing are fixedly connected to each other and a common housing is provided at the connection.
An oil inlet of the cooling oil duct 10 is communicated with an oil outlet 2 of the oil pump 7, the cooling oil duct 10 comprises a linear oil duct 8 and an annular oil duct 9, the linear oil duct 8 and the motor 6 are axially arranged in parallel, and the linear oil ducts 8 on the motor shell 1 are arranged in parallel and communicated with each other through the annular oil duct 9. The straight oil duct 8 includes a plurality of parallel oil ducts located at the top, a plurality of parallel oil ducts located at the bottom, and 4 oil ducts located at both sides, respectively. The end face of the straight oil duct 8 is communicated and connected with the annular oil duct 9, and the straight oil duct 8 and the annular oil duct 9 are integrally arranged to form a closed loop. The linear oil duct 8 is combined with the annular oil duct 9, the inner oil duct of the shell in the direction parallel to the shaft of the motor 6 is the linear oil duct 8, and the linear oil duct 8 is connected with the annular oil duct of the shell end cover combining part of the gearbox through the motor shell; so that the cooling liquid forms an annular flow passage in the circulating motor shell and the gearbox shell. The motor shell 1 and the gearbox shell are produced by a pressing die or a linear extrusion production process, so that the production efficiency of products is high, and the qualification rate of the products is high.
The motor shell 1 comprises a front end cover 12, a box body 13 and a rear end cover 14, a horizontal radiating surface 5 is arranged at the top of the outer side of the box body 13, an external radiating module 11 is arranged on the horizontal radiating surface 5, a mounting hole fixedly connected with the external radiating module 11 is formed in the horizontal radiating surface 5, and the external radiating module 11 is communicated with a cooling oil duct 10. The controller is arranged on the top of the horizontal radiating surface 5 and is arranged in parallel with the horizontal radiating surface 5.
The whole cooling oil duct 10 is free of complex pipelines needing threaded connection, short in transmission distance and high in efficiency, and rapid heat balance of heat dissipation when the motor 6 is started can be fully achieved.
The external heat dissipation module 11 comprises an oil storage cavity, an oil inlet 3 of the external heat dissipation module 11 and an oil outlet 4 of the external heat dissipation module 11, the oil inlet 3 of the external heat dissipation module 11 and the oil outlet 4 of the external heat dissipation module 11 are respectively communicated with the oil storage cavity, the oil inlet 3 of the external heat dissipation module 11 is connected with the oil pump 7, and the oil outlet 4 of the external heat dissipation module 11 is connected with the cooling oil duct 10. Fluid gets into the 10 loops of cooling oil duct through the oil pump, and fluid gets back to external heat dissipation module 11 through external heat dissipation module 11 oil inlet 3, the bottom and the horizontal cooling surface 5 parallel arrangement of external heat dissipation module 11 just support to be connected. The connection position of the oil outlet 4 of the external heat dissipation module 11 and the cooling oil duct 10 is located on the motor shell 1 and is close to the gear box shell.
The oil pump 7 pumps oil into the front end cover 12 along an oil passage, then flows into the horizontal radiating surface 5 through the oil passage, then flows into the rear end cover 14 through the oil passage, then flows into the motor shell 1 through the oil passage, and finally flows into the gear box through the oil passage.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (8)
1. An integrated cooling system for an in-shell circulation of an electric machine, comprising a drive system, said drive system comprising an electric machine (6) characterized in that: the cooling oil duct structure comprises a motor shell (1), a gear box shell, a cooling oil duct (10) and an external heat dissipation module (11), wherein a motor (6) is fixedly arranged in the motor shell (1), a gear box is fixedly arranged in the gear box shell, an oil pump (7) is arranged inside the gear box, the cooling oil duct (10) is arranged in the motor shell (1) and the gear box shell, an oil inlet of the cooling oil duct (10) is communicated with an oil outlet (2) of the oil pump, the cooling oil duct (10) comprises a linear oil duct (8) and an annular oil duct (9), the linear oil duct (8) and the motor (6) are axially arranged in parallel, the end face of the linear oil duct (8) is communicated and connected through the annular oil duct (9), the linear oil duct (8) and the annular oil duct (9) are integrally arranged and form a closed loop, and the motor shell, The oil-cooling type oil-water separator comprises a tank body (13) and a rear end cover (14), wherein a horizontal radiating surface (5) is arranged at the top of the outer side of the tank body (13), an external radiating module (11) is arranged on the horizontal radiating surface (5), a mounting hole fixedly connected with the external radiating module (11) is formed in the horizontal radiating surface (5), the external radiating module (11) is communicated with a cooling oil duct (10), the external radiating module (11) comprises an oil storage cavity, an external radiating module oil inlet (3) and an external radiating module oil outlet (4), the external radiating module oil inlet (3) and the external radiating module oil outlet (4) are respectively communicated with the oil storage cavity, the external radiating module oil inlet (3) is connected with an oil pump (7), and the external radiating module oil outlet (4) is connected with the cooling oil duct (10).
2. The in-motor-casing-circulation-integrated cooling system of claim 1, wherein: linear oil ducts (8) on the motor shell (1) are arranged in parallel and communicated through annular oil ducts (9).
3. The in-motor-casing-circulation-integrated cooling system of claim 2, wherein: the straight line oil duct (8) comprises a plurality of parallel oil ducts positioned at the top, a plurality of parallel oil ducts positioned at the bottom and 4 oil ducts respectively positioned at two sides.
4. The in-motor-casing-circulation-integrated cooling system of claim 1, wherein: the driving system further comprises a reduction gearbox and a controller, the motor (6), the reduction gearbox and the controller are integrally arranged, and the motor (6) and the reduction gearbox output coaxially.
5. The in-motor-casing-circulation-integrated cooling system of claim 3, wherein: the controller is characterized in that a mounting point for mounting the controller is arranged on the horizontal radiating surface (5), and the controller is located at the top of the horizontal radiating surface (5) and is arranged in parallel with the horizontal radiating surface (5).
6. The in-motor-casing-circulation-integrated cooling system of claim 1, wherein: the bottom of the external heat dissipation module (11) is connected with the horizontal heat dissipation surface (5) in a propping manner.
7. The in-motor-casing-circulation-integrated cooling system of claim 1, wherein: the motor shell (1) and the gear box shell are fixedly connected, and a common shell is arranged at the joint.
8. The in-motor-casing-circulation-integrated cooling system of claim 1, wherein: the connection position of the external heat dissipation module oil outlet (4) and the cooling oil duct (10) is located on the motor shell (1) and close to the gearbox shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020495128.0U CN212063778U (en) | 2020-04-08 | 2020-04-08 | Motor shell internal circulation integrated cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020495128.0U CN212063778U (en) | 2020-04-08 | 2020-04-08 | Motor shell internal circulation integrated cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN212063778U true CN212063778U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020495128.0U Active CN212063778U (en) | 2020-04-08 | 2020-04-08 | Motor shell internal circulation integrated cooling system |
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| CN (1) | CN212063778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133713A (en) * | 2022-08-30 | 2022-09-30 | 中山市启胜电器有限公司 | Motor capable of cooling in self-circulation mode |
-
2020
- 2020-04-08 CN CN202020495128.0U patent/CN212063778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133713A (en) * | 2022-08-30 | 2022-09-30 | 中山市启胜电器有限公司 | Motor capable of cooling in self-circulation mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211025 Address after: No.15-3, Fengsheng Road, Jiulongpo District, Chongqing Patentee after: CHONGQING MINGKAI TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 400000 no.15-3, Fengsheng Road, Jiulongpo District, Chongqing Patentee before: Chongqing Qianer Science and Technology Development Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230331 Address after: No.15-3, Fengsheng Road, Jiulongpo District, Chongqing Patentee after: Qianer Anshi Funeng (Chongqing) Applied Technology Research Institute Co.,Ltd. Address before: No.15-3, Fengsheng Road, Jiulongpo District, Chongqing Patentee before: CHONGQING MINGKAI TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.15-3, Fengsheng Road, Jiulongpo District, Chongqing Patentee after: Qianer Anshi Funeng (Chongqing) Applied Technology Research Institute Co.,Ltd. Address before: No. 15-3, Fengsheng Road, Jiulongpo District, Jiulongpo District, Chongqing 400050 Patentee before: Qianer Anshi Funeng (Chongqing) Applied Technology Research Institute Co.,Ltd. |