CN108400671A - Electric machine casing cooling and sealing structure - Google Patents
Electric machine casing cooling and sealing structure Download PDFInfo
- Publication number
- CN108400671A CN108400671A CN201810443690.6A CN201810443690A CN108400671A CN 108400671 A CN108400671 A CN 108400671A CN 201810443690 A CN201810443690 A CN 201810443690A CN 108400671 A CN108400671 A CN 108400671A
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- China
- Prior art keywords
- electric machine
- machine casing
- sealing structure
- cooling
- sealing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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)
- Motor Or Generator Frames (AREA)
Abstract
The invention belongs to motor cooling technology, more particularly to a kind of electric machine casing cooling and sealing structure.Including electric machine casing and the cooling water channel being set in electric machine casing, cooling water channel is with S types structure distribution at one week of electric machine casing, electric machine casing both ends end face is equipped with the sealing structure for sealing cooling water channel, and the outer surface of electric machine casing is equipped with the inlet and outlet being connected to cooling water channel both ends.The present invention is improved yield rate, reduces cost by being flowed through the formation problems of one week cooling water channel of shell, this structure and molding mode effective solution electric machine casing in the form of S fonts.
Description
Technical field
The invention belongs to motor cooling technology, more particularly to a kind of electric machine casing cooling and sealing structure.
Background technology
Motor using when will produce a large amount of heat, if not in time be discharged electric machine casing outside, the heat of aggregation can cause
Motor stator component, rotor assembly temperature are excessively high, to which rotor magnetic steel demagnetization, stator line packet are burnt, influence the normal fortune of motor
Turn, reduced service life, so the model that must be born in each parts of motor by radiator structure to enable temperature to stablize
In enclosing.Original electric machine casing water channel form is usually integrally casting, and this forging type be easy to cause product defects, product
Qualification rate reduces, such as sand holes, stomata.Simultaneously there is also sediment outflows it is difficult, less efficient, cost is higher the deficiencies of.Now it is badly in need of one
Kind effectively avoids above-mentioned casting risk, while can improve product qualification rate again, reduces the electric machine casing radiator structure of cost.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of electric machine casing cooling and sealing structure, it is existing to solve
It is usually cast into the problems such as of poor quality, efficiency is low and cost is higher caused by shell body.
To achieve the goals above, the present invention uses following technical scheme：
A kind of electric machine casing cooling and sealing structure, including electric machine casing and the cooling water that is set in the electric machine casing
Road, with S types structure distribution at one week of the electric machine casing, electric machine casing both ends end face is equipped with to be used the cooling water channel
In the sealing structure for sealing the cooling water channel, the outer surface of the electric machine casing is equipped with to be connected to the cooling water channel both ends
Inlet and outlet.
Preferably, the cooling water channel includes multiple circumferentially distributed axial water channels, and each axial water channel is along axis
To extending and at positive and negative both ends by channel alternate communication successively of transferring, the turnover channel is located at the end of the electric machine casing
Portion and be unenclosed construction, the sealing structure be located at it is described turnover channel outside, for sealing the turnover channel, with
Form the cooling water channel of reciprocating and turning-back.
Preferably, the sealing structure includes being set on the electric machine casing end face to be connected to each turnover channel
Annular groove, the annular groove is interior to be equipped with sealing ring.
Preferably, the sealing ring is aluminium ring, and the aluminium ring is fixed in the annular groove by welding manner and passes through institute
State the supporting surface support of annular groove bottom.
Preferably, the sealing structure includes being set on the electric machine casing end face to be connected to each turnover channel
Multiple end recesses and the multiple sealing blocks being placed in each end recesses.
Preferably, the sealing block is aluminium block, and the aluminium block is fixed in the end recesses and is led to by welding manner
Cross the supporting surface support of the end recesses bottom.
Preferably, multiple end recesses are arcuate structure and center line is located on same circumference.
Preferably, the water inlet and the water outlet are set to same side end or the both side ends of the electric machine casing.
Advantages of the present invention and advantageous effect are：The present invention by flowing through one week cooling water channel of shell in the form of S fonts,
The formation problems of this structure and molding mode effective solution electric machine casing, improve yield rate, reduce cost.
The present invention processes groove at electric machine casing both ends, on the one hand groove forms the channel of coolant liquid, on the other hand exists
Aluminium ring or aluminium block are placed by welding manner in groove, ensures the leakproofness of cooling water channel, coolant liquid is avoided to leak outside.
The configuration of the present invention is simple is easy to extend, and can add according to actual use situation adjustment shell length without changing mold
Work is simple for process, reliable in quality, efficient.
Description of the drawings
Fig. 1 is the axonometric drawing of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is enlarged drawing at I in Fig. 2；
Fig. 4 is electric machine casing end construction schematic diagram in one embodiment of the invention；
Fig. 5 is the structural schematic diagram of electric machine casing end in another embodiment of the present invention.
In figure：1 is electric machine casing, and 11 be annular groove, and 2 be sealing ring, and 3 be cooling water channel, and 31 be axial water channel, and 32 be turnover
Channel, 4 be water inlet, and 5 be water outlet, and 6 be sealing block.
Specific implementation mode
Existing electric machine casing generally use integral cast mode, but casting sand hole, stomata, shrinkage porosite etc. give the conjunction of product
Lattice rate brings influence.
For the insufficient problem of existing integral cast shell, the present invention provides a kind of electric machine casing cooling structures, with S
The form of type flows through one week cooling water channel of shell, and the molding of this structure and molding mode effective solution electric machine casing is asked
Topic, improves yield rate, reduces cost.
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
As shown in Figure 1, a kind of electric machine casing cooling and sealing structure provided by the invention, including electric machine casing 1 and it is set to
Cooling water channel 3 in electric machine casing 1, cooling water channel 3 with S types structure distribution at one week of electric machine casing 1,1 both ends of electric machine casing
End face is equipped with the sealing structure for sealing cooling water channel 3, and the outer surface of electric machine casing 1 is equipped with to be connected with 3 both ends of cooling water channel
Logical water inlet 4 and water outlet 5.
As Figure 2-3, cooling water channel 3 includes multiple circumferentially spaced axial water channels 31, each axial direction water channel 31
It lays in an axial direction and at positive and negative both ends by the alternate communication successively of channel 32 of transferring, turnover channel 32 is located at electric machine casing 1
End and be unenclosed construction, sealing structure is located at turnover channel 32 outside, reciprocal to be formed for sealing turnover channel 32
The cooling water channel 3 for S types of turning back.
Water inlet 4 and water outlet 5 are set to the same side end or both ends of electric machine casing 1.
As shown in Figure 3-4, in one embodiment of the invention, sealing structure includes being set to the both ends end face of electric machine casing 1
On annular groove 11, annular groove 11 is connected to each turnover channel 32 of cooling water channel 3, is equipped in annular groove 11 for closing turnover channel 32
Sealing ring 2.
Sealing ring 2 is aluminium ring, and aluminium ring is fixed on by welding manner in annular groove 11, and the bottom of annular groove 11, which is equipped with, to be used to support
The supporting surface of sealing ring 2.The bottom of annular groove 11 is designed with the supporting surface of aluminium ring installation, it is therefore an objective to the position of limitation welding aluminium ring,
And when welding is provided to the support of aluminium ring to meet welding procedure.The purpose of welding aluminium ring is prevented to block cooling water channel 3
Only coolant liquid is excessive.
As shown in figure 5, in another embodiment of the present invention, sealing structure includes being set to the both ends end face of electric machine casing 1
The upper multiple end recesses being connected to each turnover channel 32 of cooling water channel 3 and the sealing block 6 being placed in each end recesses, end
The bottom of portion's groove is equipped with the supporting surface for being used to support sealing block 6.Multiple end recesses are arcuate structure and center line is located at
On same circumference.
Sealing block 6 is aluminium block, and aluminium block is fixed on by welding manner in end recesses, the aluminium block of this segmented, can be with
Preferably it is suitable for the electric machine casing of different cross section shape.The purpose for welding aluminium block is to prevent from cooling down to block cooling water channel 3
Liquid is excessive.
Electric machine casing cooling and sealing structure provided by the invention, in the inside of electric machine casing 1 integrally formed with axial water channel,
Both ends process groove (turnover channel), on the one hand groove forms the channel of coolant liquid, are on the other hand placed in the external of groove
Aluminium ring or aluminium block, aluminium ring or aluminium block and case weld ensure the leakproofness of cooling water channel, coolant liquid are avoided to leak outside.In motor casing
The outer surface of body 3 processes two holes as water inlet 4 and water outlet 5, and water inlet 4 and water outlet 5 enter with cooling water channel 3 respectively
Mouth and outlet communicate, and so that coolant liquid is carried out circulation, achieve the purpose that cooling shell.
Electric machine casing cooling and sealing structure provided by the invention, the coolant liquid in cooling water channel 3 is axially moveable, in end
It turns back, electric machine casing is flowed through in the form of S types 1 one weeks, this cooling water channel 3 is machined using sandwich type element is squeezed in end
Mode process the turnover channel 32 of cooling water channel 3, in the side that the both ends end of electric machine casing 1 passes through welding with two aluminium rings
Formula ensures the sealing of cooling water channel 3.The structure of the cooling water channel 3 is simple, is easy to extend, can be according to actual use situation adjustment electricity
The length of casing body 1, and without modification mold, processing technology is simple, reliable in quality, efficient.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the present invention.It is all in the present invention
Spirit and principle within any modification, equivalent replacement, improvement, extension etc., be all contained in protection scope of the present invention
It is interior.
Claims (8)
1. a kind of electric machine casing cooling and sealing structure, which is characterized in that including electric machine casing (1) and be set to the electric machine casing
(1) cooling water channel (3) in, the cooling water channel (3) with S types structure distribution at one week of the electric machine casing (1), the electricity
Casing body (1) both ends end face is equipped with sealing structure for sealing the cooling water channel (3), the electric machine casing (1) it is outer
Surface is equipped with the water inlet (4) being connected to the cooling water channel (3) both ends and water outlet (5).
2. electric machine casing cooling and sealing structure according to claim 1, which is characterized in that the cooling water channel (3) includes
Multiple circumferentially distributed axial water channels (31), each axial water channel (31) axially extend and pass through at positive and negative both ends
Alternate communication, turnover channel (32) are located at the end of the electric machine casing (1) and are open type successively for turnover channel (32)
Structure, the sealing structure is located at the outside of turnover channel (32), past to be formed for sealing the turnover channel (32)
The cooling water channel (3) turned back again.
3. electric machine casing cooling and sealing structure according to claim 2, which is characterized in that the sealing structure includes setting
It is equipped in the annular groove (11) being connected to each turnover channel (32) on the electric machine casing (1) end face, the annular groove (11)
Sealing ring (2).
4. electric machine casing cooling and sealing structure according to claim 3, which is characterized in that the sealing ring (2) is aluminium ring,
The aluminium ring is fixed in the annular groove (11) by welding manner and is supported by the supporting surface of the annular groove (11) bottom.
5. electric machine casing cooling and sealing structure according to claim 2, which is characterized in that the sealing structure includes setting
In the multiple end recesses being connected to each turnover channel (32) on the electric machine casing (1) end face and it is placed in each end
Multiple sealing blocks (6) in portion's groove.
6. electric machine casing cooling and sealing structure according to claim 5, which is characterized in that the sealing block (6) is aluminium block,
The aluminium block is fixed in the end recesses by welding manner and is supported by the supporting surface of the end recesses bottom.
7. electric machine casing cooling and sealing structure according to claim 5, which is characterized in that multiple end recesses are
Arcuate structure and center line is located on same circumference.
8. electric machine casing cooling and sealing structure according to claim 1, which is characterized in that the water inlet (4) and described
Water outlet (5) is set to same side end or the both side ends of the electric machine casing (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018205697909 | 2018-04-20 | ||
| CN201820569790 | 2018-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108400671A true CN108400671A (en) | 2018-08-14 |
Family
ID=63101968
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810443690.6A Pending CN108400671A (en) | 2018-04-20 | 2018-05-10 | Electric machine casing cooling and sealing structure |
| CN201820694063.5U Active CN208461603U (en) | 2018-04-20 | 2018-05-10 | Electric machine casing cooling and sealing structure |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820694063.5U Active CN208461603U (en) | 2018-04-20 | 2018-05-10 | Electric machine casing cooling and sealing structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN108400671A (en) |
| WO (1) | WO2019200635A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387937A (en) * | 2019-08-12 | 2021-02-23 | 中车株洲电力机车研究所有限公司 | Permanent magnet synchronous motor, motor shell and sand core for processing |
| CN112975457A (en) * | 2021-03-18 | 2021-06-18 | 广州市昊志机电股份有限公司 | Multi-axis turntable and machine tool |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350708A (en) * | 2019-07-17 | 2019-10-18 | 上海浩正电气有限公司 | Water channel processing method and motor housing cooling structure |
| JP2024517475A (en) | 2021-05-10 | 2024-04-22 | ザ リージェンツ オブ ザ ユニバーシティ オブ コロラド，ア ボディー コーポレイト | Engineered HLA alleles for treating autoimmunity |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204030818U (en) * | 2014-06-23 | 2014-12-17 | 华域汽车电动***有限公司 | Integrated water-cooling electric machine casing |
| CN205509730U (en) * | 2016-01-29 | 2016-08-24 | 联合汽车电子有限公司 | Water cooled machine's casing water course structure and casing body |
| CN206226184U (en) * | 2016-10-08 | 2017-06-06 | 宁波腾隆户外用品有限公司 | A kind of electric machine casing with cooling structure |
| CN206775291U (en) * | 2017-04-01 | 2017-12-19 | 杨文波 | A kind of electric car high-power water-cooling motor case |
-
2018
- 2018-05-10 WO PCT/CN2018/086308 patent/WO2019200635A1/en active Application Filing
- 2018-05-10 CN CN201810443690.6A patent/CN108400671A/en active Pending
- 2018-05-10 CN CN201820694063.5U patent/CN208461603U/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204030818U (en) * | 2014-06-23 | 2014-12-17 | 华域汽车电动***有限公司 | Integrated water-cooling electric machine casing |
| CN205509730U (en) * | 2016-01-29 | 2016-08-24 | 联合汽车电子有限公司 | Water cooled machine's casing water course structure and casing body |
| CN206226184U (en) * | 2016-10-08 | 2017-06-06 | 宁波腾隆户外用品有限公司 | A kind of electric machine casing with cooling structure |
| CN206775291U (en) * | 2017-04-01 | 2017-12-19 | 杨文波 | A kind of electric car high-power water-cooling motor case |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387937A (en) * | 2019-08-12 | 2021-02-23 | 中车株洲电力机车研究所有限公司 | Permanent magnet synchronous motor, motor shell and sand core for processing |
| CN112387937B (en) * | 2019-08-12 | 2022-07-12 | 中车株洲电力机车研究所有限公司 | Permanent magnet synchronous motor, motor shell and sand core for processing |
| CN112975457A (en) * | 2021-03-18 | 2021-06-18 | 广州市昊志机电股份有限公司 | Multi-axis turntable and machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019200635A1 (en) | 2019-10-24 |
| CN208461603U (en) | 2019-02-01 |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180814 |
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| RJ01 | Rejection of invention patent application after publication |