CN111193350A - High-speed motor cooling structure - Google Patents
High-speed motor cooling structure Download PDFInfo
- Publication number
- CN111193350A CN111193350A CN202010057046.2A CN202010057046A CN111193350A CN 111193350 A CN111193350 A CN 111193350A CN 202010057046 A CN202010057046 A CN 202010057046A CN 111193350 A CN111193350 A CN 111193350A
- Authority
- CN
- China
- Prior art keywords
- cooling
- stator winding
- speed motor
- heat
- stator
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 41
- 238000004804 winding Methods 0.000 claims abstract description 32
- 239000000498 cooling water Substances 0.000 claims abstract description 15
- 239000000565 sealant Substances 0.000 claims description 8
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000000110 cooling liquid Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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 Cooling System (AREA)
Abstract
The invention provides a cooling structure of a high-speed motor, and belongs to the technical field of cooling of high-speed motors. The cooling device comprises a stator core, a stator winding, a machine base and a cooling pipeline, wherein the cooling pipeline sequentially surrounds the stator winding at one end, the stator core and the stator winding at the other end, and a cooling water inlet and a cooling water outlet of the cooling pipeline are arranged in the machine base. The invention aims at solving the problem that the high-speed motor has large power density and small volume and further generates a large amount of heat which is difficult to discharge so as to cause heat accumulation, the invention takes the heat of a cooling pipeline surrounding a stator winding and a stator core to cool the main body part of the high-speed motor as an invention point, increases the heat exchange rate, is suitable for the characteristic of small volume of the high-speed motor, and arranges the cooling pipeline part in a machine base to reduce the space occupation so as to solve the problem of difficult internal heat discharge of the high-speed motor on the basis of unchanged original volume.
Description
Technical Field
The invention relates to a cooling structure of a high-speed motor, and belongs to the technical field of cooling of high-speed motors.
Background
The high-speed motor generally refers to a motor with the rotating speed of more than 10000r/min, directly drives a load, and is a research hotspot in the field of motors. The high-speed motor has the advantages of large power density, small volume, high efficiency, high reliability, low maintenance cost and the like, but simultaneously, the high-speed motor generates copper consumption and iron consumption due to high-speed operation, so a large amount of heat is generated, the heat is accumulated due to small volume, slow heat transfer and difficult discharge of internal heat, and the integral cooling is one of the research and development design difficulties of the high-speed motor because a fan is not suitable to be added on a rotor due to the volume problem.
Disclosure of Invention
The present invention is directed to solve the above problems of the prior art, and further to provide a cooling structure for a high speed motor.
The purpose of the invention is realized by the following technical scheme:
the cooling pipeline sequentially surrounds the stator winding at one end, the stator core and the stator winding at the other end, and a cooling water inlet and a cooling water outlet of the cooling pipeline are arranged in the base. And the cooling pipeline surrounding the stator core is arranged in the engine base. The stator winding outer side is wrapped with stator winding heat conduction sealant, and the cooling pipeline surrounding the stator winding is arranged in the stator winding heat conduction sealant.
The invention has the beneficial effects that: the cooling pipeline is arranged in the machine base, so that the space is saved, and the problem of difficult internal heat extraction is solved on the basis of keeping the original volume of the high-speed motor.
Drawings
Fig. 1 is a sectional view of a cooling structure of a high-speed motor according to the present invention.
In the drawing, reference numeral 1 denotes a stator core, 2 denotes a stator winding, 3 denotes a base, 4 denotes a cooling pipe, 41 denotes a cooling water inlet a, 42 denotes a cooling water outlet a, 43 denotes a cooling water inlet b, 44 denotes a cooling water outlet b, and 5 denotes a stator winding heat-conducting sealant.
Detailed Description
The invention will be described in further detail below with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the cooling structure for a high-speed motor according to this embodiment includes a stator core 1, a stator winding 2, a base 3, and a cooling pipeline 4, where the cooling pipeline 4 sequentially surrounds the stator winding 2 at one end, the stator core 1, and the stator winding 2 at the other end. A cooling water inlet 41 of the cooling pipeline 4 is arranged on the machine base, cooling liquid flows in from a cooling water inlet a41, flows through the stator winding 2 at one end, and flows out from a cooling water outlet a42 to take away the heat of the stator winding 2 at the end; then the cooling liquid circulates through a cooling pipeline 4 in the base 3, and the cooling pipeline 4 is arranged around the stator core 1 to take away the heat of the stator core 1; after cooling the stator core 1, the cooling liquid flows into the cooling water inlet b43, then flows through the cooling pipeline 4 of the stator winding 2 at the other end, takes away the heat of the stator winding 2 at the other end, and flows out from the cooling water outlet b44, thereby completing the cooling process of the primary high-speed motor.
Stator winding 2 outside parcel has stator winding heat conduction sealed glue 5, and the cooling pipeline 4 that encircles stator winding 2 sets up in stator winding heat conduction sealed glue 5, and stator winding heat conduction sealed glue 5 chooses for use high insulating properties, high heat conductivility and the high pouring sealant of mechanical strength, plays the effect of strengthening the stator tip and increasing heat transfer effect.
The cooling pipeline 4 is arranged inside the machine base 3, so that the space is saved, the original size of the high-speed motor is kept, and the problem of difficult internal heat extraction is solved.
The above description is only a preferred embodiment of the present invention, and these embodiments are based on different implementations of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a high-speed motor cooling structure, includes stator core (1), stator winding (2), frame (3), its characterized in that still includes cooling line (4), cooling line (4) encircle one end stator winding (2), stator core (1) and other end stator winding (2) in proper order, cooling water inlet (41,43) and cooling water outlet (42,44) of cooling line (4) set up in frame (3).
2. A cooling structure of a high-speed electric machine according to claim 1, characterized in that the cooling pipe (4) surrounding the stator core (1) is provided in the housing (3).
3. The cooling structure of the high-speed motor according to claim 1, wherein the stator winding (2) is wrapped with stator winding heat-conducting sealant (5), and the cooling pipeline (4) surrounding the stator winding (2) is arranged in the stator winding heat-conducting sealant (5).
4. A cooling structure of a high-speed motor according to claim 3, wherein the stator winding heat conducting sealant (5) is a pouring sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010057046.2A CN111193350A (en) | 2020-01-19 | 2020-01-19 | High-speed motor cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010057046.2A CN111193350A (en) | 2020-01-19 | 2020-01-19 | High-speed motor cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111193350A true CN111193350A (en) | 2020-05-22 |
Family
ID=70710061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010057046.2A Pending CN111193350A (en) | 2020-01-19 | 2020-01-19 | High-speed motor cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111193350A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737197A (en) * | 2020-12-30 | 2021-04-30 | 东南大学 | Motor end cooling water channel and manufacturing method thereof |
| CN113394909A (en) * | 2021-06-28 | 2021-09-14 | 威海西立电子有限公司 | Motor and cooling method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08251872A (en) * | 1995-03-10 | 1996-09-27 | Yaskawa Electric Corp | Cooler of motor |
| JP2013179746A (en) * | 2012-02-28 | 2013-09-09 | Daikin Ind Ltd | Rotary electric machine and electric vehicle |
| CN104734422A (en) * | 2015-04-21 | 2015-06-24 | 中国船舶重工集团公司第七一二研究所 | Novel permanent magnet motor |
| CN204858875U (en) * | 2015-06-30 | 2015-12-09 | 比亚迪股份有限公司 | Motor |
| CN109428422A (en) * | 2017-08-31 | 2019-03-05 | 中车株洲电力机车研究所有限公司 | A kind of electric motor winding end cooling device and cooling system |
| CN209119985U (en) * | 2018-11-16 | 2019-07-16 | 苏州汇川技术有限公司 | Fluid-cooled electrical machine |
| CN211655903U (en) * | 2020-01-19 | 2020-10-09 | 佳木斯电机股份有限公司 | High-speed motor cooling structure |
-
2020
- 2020-01-19 CN CN202010057046.2A patent/CN111193350A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08251872A (en) * | 1995-03-10 | 1996-09-27 | Yaskawa Electric Corp | Cooler of motor |
| JP2013179746A (en) * | 2012-02-28 | 2013-09-09 | Daikin Ind Ltd | Rotary electric machine and electric vehicle |
| CN104734422A (en) * | 2015-04-21 | 2015-06-24 | 中国船舶重工集团公司第七一二研究所 | Novel permanent magnet motor |
| CN204858875U (en) * | 2015-06-30 | 2015-12-09 | 比亚迪股份有限公司 | Motor |
| CN109428422A (en) * | 2017-08-31 | 2019-03-05 | 中车株洲电力机车研究所有限公司 | A kind of electric motor winding end cooling device and cooling system |
| CN209119985U (en) * | 2018-11-16 | 2019-07-16 | 苏州汇川技术有限公司 | Fluid-cooled electrical machine |
| CN211655903U (en) * | 2020-01-19 | 2020-10-09 | 佳木斯电机股份有限公司 | High-speed motor cooling structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737197A (en) * | 2020-12-30 | 2021-04-30 | 东南大学 | Motor end cooling water channel and manufacturing method thereof |
| CN113394909A (en) * | 2021-06-28 | 2021-09-14 | 威海西立电子有限公司 | Motor and cooling method thereof |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |