CN107104553A - A kind of cooling structure on electric machine casing - Google Patents
A kind of cooling structure on electric machine casing Download PDFInfo
- Publication number
- CN107104553A CN107104553A CN201710557165.2A CN201710557165A CN107104553A CN 107104553 A CN107104553 A CN 107104553A CN 201710557165 A CN201710557165 A CN 201710557165A CN 107104553 A CN107104553 A CN 107104553A
- Authority
- CN
- China
- Prior art keywords
- electric machine
- machine casing
- heat conducting
- conducting pipe
- stator core
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kind of cooling structure on electric machine casing, set between the inner walls of the winding and electric machine casing for clearance groove, the heat conducting pipe of the circular shape provided with setting identical with electric machine casing circumferencial direction in the clearance groove of setting, the heat conducting pipe is made up of bending section with arc section, the arc section of the heat conducting pipe is set around winding outer wall, the bending section of heat conducting pipe is through electric machine casing and the outside fin radiator set of threaded connection, the electric machine casing and the cyclic water channel that several settings that are connected are provided with stator core outer wall rigging position, the reserved through hole when cyclic water channel is casting electric machine casing, the both sides that the cyclic water channel is located at electric machine casing are respectively communicated with provided with water inlet, delivery port, the water inlet runs through electric machine casing with delivery port and is communicated to the outside of electric machine casing.Simple in construction using the technical program, ease of assembly is used, and implements effective cooling to electric machine casing, and cooling effect is more prominent.
Description
Technical field
The present invention relates to a kind of cooling structure on electric machine casing, applied to electric machine casing cooling technology neck
Domain.
Background technology
Motor can produce substantial amounts of heat when in use, if not in time outside discharge electric machine casing, the heat that gathers and understand
Motor is caused to burn out, service life shortens, and existing motor radiating is only the fan cooling by afterbody assembly connection, but
Fan cooling effect is weaker during use, and the use to motor brings influence, therefore, we design a kind of for electric machine casing
On cooling structure.
The content of the invention
To solve the defect of prior art, the invention discloses a kind of cooling structure on electric machine casing.
The invention discloses a kind of cooling structure on electric machine casing, including：Electric machine casing, stator core, rotor
Cavity, winding, circumferentially interference fit installs stator core to the electric machine casing in inner walls, the stator core
Two ends are equipped with winding, and the quantity of the winding is 2, and the internal cavities of the stator core and electric machine casing formation are rotor
Between cavity, the inner walls of the winding and electric machine casing for clearance groove set, in the clearance groove of setting be provided with
The heat conducting pipe of the circular shape of the identical setting of electric machine casing circumferencial direction, the heat conducting pipe is made up of bending section with arc section,
The arc section of the heat conducting pipe is set around winding outer wall, and the bending section of heat conducting pipe runs through electric machine casing and threaded connection outside is set
The fin radiator put, the electric machine casing and the circulation that several settings that are connected are provided with stator core outer wall rigging position
Water channel, the reserved through hole when cyclic water channel is casting electric machine casing, the both sides that the cyclic water channel is located at electric machine casing are distinguished
Connection is provided with water inlet, delivery port, and the water inlet runs through electric machine casing with delivery port and is communicated to the outside of electric machine casing.
It is preferred that, the bending angle between the bending section and arc section of the heat conducting pipe is 90 degree.
It is preferred that, the cyclic water channel is on stator core axial direction helically around arrangement.
It is preferred that, the electric machine casing rear and front end is equipped with sealed groove.
Brief description of the drawings
Fig. 1 is a kind of structural representation of cooling structure on electric machine casing of the present invention；
Fig. 2 is a kind of schematic cross-section of cooling structure on electric machine casing of the present invention；
Fig. 3 is a kind of heat conducting pipe structural representation of cooling structure on electric machine casing of the present invention.
Wherein：1- electric machine casings；2- stator cores；3- rotor cavities；4- windings；5- heat conducting pipes；51- bending sections；52- justifies
Segmental arc；6- fin radiators；7- cyclic water channels；8- water inlets；9- delivery ports；10- sealed grooves.
Embodiment
As Figure 1-3, the invention discloses a kind of cooling structure on electric machine casing, including：Electric machine casing 1,
Stator core 2, rotor cavity 3, winding 4, circumferentially interference fit installs stator iron to the electric machine casing 1 in inner walls
Core 2, the two ends of the stator core 2 are equipped with winding 4, and the quantity of the winding 4 is 2, the stator core 2 and motor casing
The internal cavities of the formation of body 1 are rotor cavity 3, and the rear and front end of electric machine casing 1 is equipped with sealed groove 10, sealed groove 10
Sealing function is played when front and rear cover plate being installed for the rear and front end of electric machine casing 1.
Set, set in the clearance groove of setting for clearance groove between the inner walls of the winding 4 and electric machine casing 1
There is the heat conducting pipe 5 of the circular shape of setting identical with the circumferencial direction of electric machine casing 1, the heat conducting pipe 5 is by bending section 51 and circle
Segmental arc 52 is constituted, and the bending angle between the bending section 51 and arc section 52 of the heat conducting pipe 5 is 90 degree, the heat conducting pipe 5
Arc section 52 is set around the outer wall of winding 4, and the bending section 51 of heat conducting pipe 5 runs through electric machine casing 1 and is threadedly coupled what outside was set
Fin radiator 6.
The electric machine casing 1 and the cyclic water channel that several settings that are connected are provided with the outer wall rigging position of stator core 2
7, the cyclic water channel 7 is reserved through hole when casting electric machine casing 1, and the cyclic water channel 7 is on the axial direction of stator core 2
Spiral surrounding is arranged, increases the contact area with stator core 2, so that strengthen the radiating effect to stator core, the circulation
The both sides that water channel 7 is located at electric machine casing 1 are respectively communicated with provided with water inlet 8, delivery port 9, and the water inlet 8 is passed through with delivery port 9
Wear electric machine casing 1 and be communicated to the outside of electric machine casing 1.
The present invention is implemented：Pass through winding 4 of the interior heat conducting pipe 5 set of electric machine casing 1 to the two ends of stator core 2
Carry out heat conduction and heat radiation, the wing that the heat that heat conducting pipe 5 produces winding 4 in motor rotation process passes through the external connection of heat conducting pipe 5
Sheet heat radiator 6 quickly sheds in electric machine casing, and radiating is efficiently rapid, and stator core 2 can also be produced when supporting rotor is rotated
Substantial amounts of heat, for this partial heat, winding sets cyclic water channel 7 on the outer wall of stator core 2, from entering in cyclic water channel 7
The mouth of a river 8 adds cooling water, and cooling water flows out from delivery port 9, and the cyclic water channel 7 being connected can carry out circulating stator core 2
Cool, the effect that cools is protruded.Simple in construction using the technical program, ease of assembly is used, by electric machine casing
The outside fin radiator of heat conducting pipe connection heat conduction carried out to winding shed heat, and the cyclic water channel on electric machine casing is to calmly
Sub- iron core carries out circulating water cooling, so as to implement effective cooling to electric machine casing, cooling effect is more prominent.
Finally it should be noted that：Above example only not limits technology described in the invention to illustrate the present invention
Scheme；Therefore, although this specification with reference to each above-mentioned embodiment to present invention has been detailed description, this
Field it is to be appreciated by one skilled in the art that still can be modified to the present invention or equivalent substitution；And all do not depart from this
The technical scheme of the spirit and scope of invention and its improvement, it all should cover in scope of the presently claimed invention.
Claims (4)
1. a kind of cooling structure on electric machine casing, including：Electric machine casing, stator core, rotor cavity, winding, it is described
Circumferentially interference fit installs stator core to electric machine casing in inner walls, the two ends of the stator core be equipped with around
Group, the quantity of the winding is 2, and the internal cavities of the stator core and electric machine casing formation are rotor cavity, its feature
It is：Between the inner walls of the winding and electric machine casing for clearance groove set, in the clearance groove of setting be provided with
The heat conducting pipe of the circular shape of the identical setting of electric machine casing circumferencial direction, the heat conducting pipe is made up of bending section with arc section,
The arc section of the heat conducting pipe is set around winding outer wall, and the bending section of heat conducting pipe runs through electric machine casing and threaded connection outside is set
The fin radiator put, the electric machine casing and the circulation that several settings that are connected are provided with stator core outer wall rigging position
Water channel, the reserved through hole when cyclic water channel is casting electric machine casing, the both sides that the cyclic water channel is located at electric machine casing are distinguished
Connection is provided with water inlet, delivery port, and the water inlet runs through electric machine casing with delivery port and is communicated to the outside of electric machine casing.
2. a kind of cooling structure on electric machine casing according to claim 1, it is characterised in that：The heat conducting pipe
Bending angle between bending section and arc section is 90 degree.
3. a kind of cooling structure on electric machine casing according to claim 1, it is characterised in that：The cyclic water channel
Helically around arrangement on stator core axial direction.
4. a kind of cooling structure on electric machine casing according to claim 1, it is characterised in that：The electric machine casing
Rear and front end is equipped with sealed groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557165.2A CN107104553A (en) | 2017-07-10 | 2017-07-10 | A kind of cooling structure on electric machine casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557165.2A CN107104553A (en) | 2017-07-10 | 2017-07-10 | A kind of cooling structure on electric machine casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107104553A true CN107104553A (en) | 2017-08-29 |
Family
ID=59664122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710557165.2A Withdrawn CN107104553A (en) | 2017-07-10 | 2017-07-10 | A kind of cooling structure on electric machine casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107104553A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147249A (en) * | 2017-07-23 | 2017-09-08 | 张多艳 | A kind of cooling structure of electric machine casing |
| CN109301954A (en) * | 2018-11-21 | 2019-02-01 | 湘潭电机股份有限公司 | A kind of magneto liquid cooling structure and magneto |
-
2017
- 2017-07-10 CN CN201710557165.2A patent/CN107104553A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147249A (en) * | 2017-07-23 | 2017-09-08 | 张多艳 | A kind of cooling structure of electric machine casing |
| CN109301954A (en) * | 2018-11-21 | 2019-02-01 | 湘潭电机股份有限公司 | A kind of magneto liquid cooling structure and magneto |
| CN109301954B (en) * | 2018-11-21 | 2023-10-03 | 湘潭电机股份有限公司 | Permanent magnet motor liquid cooling structure and permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170829 |
|
| WW01 | Invention patent application withdrawn after publication |