CN110707864A - New energy automobile motor frame - Google Patents
New energy automobile motor frame Download PDFInfo
- Publication number
- CN110707864A CN110707864A CN201911046496.5A CN201911046496A CN110707864A CN 110707864 A CN110707864 A CN 110707864A CN 201911046496 A CN201911046496 A CN 201911046496A CN 110707864 A CN110707864 A CN 110707864A
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- China
- Prior art keywords
- new energy
- sub
- energy automobile
- base
- motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a motor base of a new energy automobile, which comprises a base body, wherein a flow channel for circulating a heat exchange medium is arranged between the inner wall of the base body and a base shell, and the base shell is provided with a liquid inlet and a liquid outlet which are respectively communicated with the flow channel. The application provides a new energy automobile motor frame is provided with the runner of usefulness of heat transfer, has reached the effect that improves heat transfer ability.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a motor base of a new energy automobile.
Background
When the traditional electric automobile motor and the axle are integrated, an external hanging structure is adopted, the motor base only bears the weight from the motor body, and the structural strength requirement of the motor base is not high. For the coaxial drive electric drive axle, the integration level of the motor and the axle is higher, the drive motor and the axle are coaxially integrated on the drive axle, and the engine base needs to bear the load from the whole vehicle besides the weight from the motor body. In order to solve the problem of mechanical strength, the motor base for the coaxial axle usually adopts a traditional cast steel structure.
However, in practical applications, the cast steel structure has many problems, for example, the material density of the cast steel structure is high, which increases the weight of the axle, and the cast steel structure material has poor thermal conductivity and poor heat dissipation effect.
In summary, how to reduce the weight of the motor base and simultaneously achieve the heat dissipation effect is a problem to be urgently solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a motor base for a new energy vehicle, which has high heat dissipation capability and high structural reliability.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a new energy automobile motor frame, includes the frame body, be equipped with the runner that supplies the circulation of heat transfer medium between the frame inner wall of frame body and the frame shell, the frame shell be equipped with respectively with inlet and the liquid outlet of runner intercommunication.
Preferably, the inner wall of the base, the housing of the base and the runner are extrusion stretch forming parts.
Preferably, the end face of the engine base body is provided with a screw hole used for being connected with an axle.
Preferably, the screw hole extends in the axial direction of the motor.
Preferably, the side wall of the flow channel, which is close to the inner wall of the machine base, is provided with a convex or concave heat dissipation structure.
Preferably, the heat dissipation structure is a heat dissipation rib extending along an axial direction of the motor.
Preferably, the flow channel includes a plurality of sub-flow channels, each sub-flow channel extends along an axial direction of the motor, all the sub-flow channels are distributed at intervals along a circumferential direction of the motor, and in two adjacent sub-flow channels, a rear end of a previous sub-flow channel is communicated with a front end of a subsequent sub-flow channel.
Preferably, the sub-flow passage extends to the end face of the base body along the axial direction of the motor, and the motor further comprises an insert which is arranged at the end part of the sub-flow passage and is in sealing connection with the side wall of the sub-flow passage.
Preferably, the insert is welded and fixed with the base body.
The motor base of the new energy automobile comprises a base body, a flow channel for circulating a heat exchange medium is arranged between the inner wall of the base and a base shell, and the base shell is provided with a liquid inlet and a liquid outlet. In the working process, the heat exchange medium can enter the flow channel through the liquid inlet and leave the flow channel from the liquid outlet, so that heat exchange is carried out in the flow channel. When the motor generates heat inside, the heat exchange medium circulating in the base body can dissipate heat, so that the heat dissipation effect of the base body is improved, and the temperature of the motor is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic partial cross-sectional view of a motor base of a new energy automobile;
FIG. 2 is a schematic structural diagram of a motor base of the new energy automobile;
FIG. 3 is a cross-sectional schematic view of the housing body;
FIG. 4 is a schematic view of the internal structure of the housing body with the housing removed, wherein the direction of the arrows indicates the direction of the heat exchange medium;
FIG. 5 is a schematic view of the insert;
fig. 6 is an enlarged view of the flow channel structure.
The reference numerals in figures 1 to 6 are: the engine base comprises an engine base shell 1, an engine base inner wall 2, a flow channel 3, a liquid inlet 4, an insert 5, a heat dissipation structure 6 and a partition structure 7.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a new energy automobile motor base, and the new energy automobile motor base can bear the load from the motor and the load from the whole automobile through the special structural design of the base of the coaxial axle driving motor, and has good heat dissipation capability and product compatibility. The base of the coaxial axle driving motor is a bearing structural part and is also a carrier for taking away heat of the motor.
Referring to fig. 1 to 6, fig. 1 is a schematic partial cross-sectional view of a motor base of a new energy vehicle; FIG. 2 is a schematic structural diagram of a motor base of the new energy automobile; FIG. 3 is a cross-sectional schematic view of the housing body; FIG. 4 is a schematic view of the internal structure of the housing with the housing removed; FIG. 5 is a schematic view of the insert; fig. 6 is an enlarged view of the flow channel structure.
The application provides a new energy automobile motor frame, including the frame body, be equipped with the runner 3 that supplies the heat transfer medium circulation between the frame inner wall 2 of frame body and the frame shell 1, frame shell 1 is equipped with respectively with inlet 4 and the liquid outlet of 3 intercommunications of runner.
Specifically, the engine base body is of a tubular structure, and the inside of the engine base body is used for placing parts such as a stator and a rotor. The inner wall 2 of the engine base refers to the inner side wall of the engine base body, the outer shell 1 of the engine base refers to the outer side wall of the engine base body, and the inner wall 2 of the engine base and the outer shell 1 of the engine base are integrated structural members. The flow channel 3 is used for the heat transfer medium to flow between the inner side wall and the outer side wall of the engine base body in a directional mode, and the circulating heat transfer medium can be water.
The inlet port 4 and the outlet port may be circular holes or other hole-like structures, which extend inward from the housing case 1 to the flow channel 3. When in actual use, the liquid inlet 4 and the liquid outlet need to be connected with the water nozzle, and therefore the liquid inlet 4 and the liquid outlet need to be provided with a connecting structure matched with the water nozzle. In order to ensure that the heat exchange medium flows in the flow channel 3 in a single direction, the flow channel 3 needs to be provided with a partition structure 7, and the liquid inlet 4 and the liquid outlet are distributed on two sides of the partition structure 7, so that the heat exchange medium is prevented from directly flowing out of the liquid outlet without flowing through the complete flow channel 3 after entering the liquid inlet 4.
In practical application, a large amount of heat can be generated inside the motor, and the heat exchange medium enters the flow channel 3 through the liquid inlet 4 and leaves the flow channel 3 from the liquid outlet. In the process, the heat exchange medium flows through the flow channel 3 and exchanges heat in the flow channel 3, so that the effects of improving the heat dissipation capacity of the base body and reducing the temperature are achieved.
Optionally, in an actual production process, the base body may be processed by a plurality of methods, and in an embodiment provided by the present application, the base inner wall 2, the base outer shell 1, and the flow channel 3 are extrusion stretch-formed parts. Specifically, an aluminum material or other materials beneficial to extrusion and stretching are adopted, and the machine base body with the flow channel 3 is processed in an extrusion and stretching processing mode. When a cast steel structure is adopted in the prior art, the structure of the die is shaped after die opening, the length of the base body cannot be adjusted according to requirements, and the universality is poor. And the extrusion stretching length of the extrusion stretching formed machine base body can be flexibly adjusted according to actual requirements in the production process, so that the universality of the machine base body is higher, and the high load capacity and light weight design of the new energy automobile motor machine base are realized.
Optionally, in an embodiment provided by the present application, a screw hole for connecting with an axle is provided on an end surface of the engine base body. Specifically, the end face of the machine base body is provided with a screw hole, and the threaded fastener penetrates through the screw hole to assemble and fix the machine base body and other parts. During actual assembly, the screw holes preferably extend along the axial direction of the motor, so that the assembly firmness of the base body is improved.
Optionally, in order to optimize the heat dissipation effect of the base body, on the basis of any one of the above embodiments, the flow channel 3 includes a plurality of sub-flow channels, each sub-flow channel extends along the axial direction of the motor, all the sub-flow channels are distributed at intervals along the circumferential direction of the motor, and in two adjacent sub-flow channels, the rear end of the previous sub-flow channel is communicated with the front end of the next sub-flow channel. Two adjacent sub-runners form a U-shaped structure, the runner 3 adopts a turn-back structure at the moment, and all the sub-runners are arranged in series in the base body. The structure can increase the flow of the heat exchange medium, thereby improving the heat exchange effect.
Optionally, in order to facilitate the machining of the housing body, in an embodiment provided by the present application, the sub-flow channel extends to an end surface of the housing body along an axial direction of the motor, and further includes an insert 5 disposed at an end of the sub-flow channel and hermetically connected to a sidewall of the sub-flow channel. Specifically, the end face of the base body is plugged with the runner 3 by using the insert 5. The insert 5 and the side wall of the sub-flow channel can be assembled and fixed in an interference fit mode, and the insert 5 and the machine base body are preferably welded and fixed for guaranteeing the sealing effect and the assembling firmness.
Optionally, in order to further optimize the heat dissipation effect of the base body, on the basis of any one of the above embodiments, the side wall of the flow channel 3 close to the inner wall 2 of the base is provided with a convex or concave heat dissipation structure 6. Specifically, the side wall of the flow channel 3 includes two sub-side walls distributed oppositely, one sub-side wall is close to the inner wall 2 of the engine base, the other sub-side wall is close to the outer shell 1 of the engine base, and the heat dissipation structure 6 is arranged on the sub-side wall close to the inner wall 2 of the engine base. The heat dissipation structure 6 may be a protrusion or a recess, and the heat dissipation area is increased to achieve the purpose of improving the heat exchange effect.
In practical applications, the heat dissipation structure 6 is preferably a heat dissipation rib extending along the axial direction of the motor. When the flow channel 3 adopts a structure of a plurality of sub-flow channels, a plurality of heat dissipation ribs can be arranged in the same sub-flow channel.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The new energy automobile motor base provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a new energy automobile motor frame, its characterized in that, includes the frame body, be equipped with between frame inner wall (2) of frame body and frame shell (1) and supply runner (3) of heat transfer medium circulation, frame shell (1) be equipped with respectively with inlet (4) and the liquid outlet of runner (3) intercommunication.
2. The new energy automobile motor base according to claim 1, characterized in that the base inner wall (2), the base outer shell (1) and the flow channel (3) are extrusion stretch forming products.
3. The new energy automobile motor base as claimed in claim 1, wherein the end face of the base body is provided with a screw hole for connecting with an axle.
4. The new energy automobile motor base as claimed in claim 3, wherein the screw hole extends in an axial direction of the motor.
5. The new energy automobile motor base is characterized in that the side wall of the flow channel (3) close to the inner wall (2) of the base is provided with a raised or recessed heat dissipation structure (6).
6. The new energy automobile motor base according to claim 5, characterized in that the heat dissipation structure (6) is a heat dissipation rib extending along the axial direction of the motor.
7. The new energy automobile motor base according to any one of claims 1 to 6, wherein the flow channel (3) includes a plurality of sub-flow channels, each of the sub-flow channels extends in an axial direction of the motor, all the sub-flow channels are distributed at intervals in a circumferential direction of the motor, and of two adjacent sub-flow channels, a rear end of a former sub-flow channel is communicated with a front end of a latter sub-flow channel.
8. The new energy automobile motor base according to claim 7, wherein the sub-flow passage extends to an end face of the base body along an axial direction of the motor, and further comprises an insert (5) which is arranged at an end of the sub-flow passage and is in sealing connection with a side wall of the sub-flow passage.
9. The new energy automobile motor base is characterized in that the insert (5) is welded and fixed with the base body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911046496.5A CN110707864A (en) | 2019-10-30 | 2019-10-30 | New energy automobile motor frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911046496.5A CN110707864A (en) | 2019-10-30 | 2019-10-30 | New energy automobile motor frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110707864A true CN110707864A (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911046496.5A Pending CN110707864A (en) | 2019-10-30 | 2019-10-30 | New energy automobile motor frame |
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| Country | Link |
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| CN (1) | CN110707864A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06121490A (en) * | 1992-10-02 | 1994-04-28 | Matsushita Electric Ind Co Ltd | Water-cooled motor |
| CN103812259A (en) * | 2014-02-26 | 2014-05-21 | 安徽安凯汽车股份有限公司 | Liquid cooling enclosure of driving motor of electric motor coach |
| CN104242537A (en) * | 2014-09-23 | 2014-12-24 | 中色（天津）特种材料有限公司 | Aluminum alloy motor shell and manufacturing method thereof |
| CN104578548A (en) * | 2015-02-09 | 2015-04-29 | 北京华盛源通科技有限公司 | Cooling pipeline of water-cooling motor |
| CN205811729U (en) * | 2016-04-08 | 2016-12-14 | 刘坚 | A kind of electric machine casing with axial cooling water channel |
| CN206332538U (en) * | 2017-01-12 | 2017-07-14 | 中铝萨帕特种铝材（重庆）有限公司 | The water-cooled machine aluminium alloy casing of extrusion forming |
| CN108847743A (en) * | 2018-06-28 | 2018-11-20 | 苏州索尔达动力科技有限公司 | A kind of cooling by water system of new-energy automobile driving motor |
-
2019
- 2019-10-30 CN CN201911046496.5A patent/CN110707864A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06121490A (en) * | 1992-10-02 | 1994-04-28 | Matsushita Electric Ind Co Ltd | Water-cooled motor |
| CN103812259A (en) * | 2014-02-26 | 2014-05-21 | 安徽安凯汽车股份有限公司 | Liquid cooling enclosure of driving motor of electric motor coach |
| CN104242537A (en) * | 2014-09-23 | 2014-12-24 | 中色（天津）特种材料有限公司 | Aluminum alloy motor shell and manufacturing method thereof |
| CN104578548A (en) * | 2015-02-09 | 2015-04-29 | 北京华盛源通科技有限公司 | Cooling pipeline of water-cooling motor |
| CN205811729U (en) * | 2016-04-08 | 2016-12-14 | 刘坚 | A kind of electric machine casing with axial cooling water channel |
| CN206332538U (en) * | 2017-01-12 | 2017-07-14 | 中铝萨帕特种铝材（重庆）有限公司 | The water-cooled machine aluminium alloy casing of extrusion forming |
| CN108847743A (en) * | 2018-06-28 | 2018-11-20 | 苏州索尔达动力科技有限公司 | A kind of cooling by water system of new-energy automobile driving motor |
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Application publication date: 20200117 |