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
- speed motor
- stator winding
- stator
- heat
- 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
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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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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
本发明提供了一种高速电机冷却结构，属于高速电机冷却技术领域。本发明包括定子铁心、定子绕组、机座、冷却管路，所述冷却管路依次环绕一端定子绕组、定子铁心及另一端定子绕组，所述冷却管路的冷却水入口和冷却水出口设置于机座内。针对高速电机具有功率密度大、体积小、进而产生大量的热量难以排出，致使热量堆积的问题，本发明以冷却管路环绕定子绕组和定子铁心，带走其热量为高速电机主体部分降温为发明点，增加换热率，同时适应高速电机体积小的特点，将冷却管路部分设置于机座内部，减少空间占用，使得高速电机在原有体积不变的基础上，解决了内部排热困难的问题。
The invention provides a high-speed motor cooling structure, which belongs to the technical field of high-speed motor cooling. The present invention includes a stator core, a stator winding, a frame, and a cooling pipeline. The cooling pipeline surrounds one end of the stator winding, the stator core and the other end of the stator winding in turn. The cooling water inlet and cooling water outlet of the cooling pipeline are arranged at inside the cradle. Aiming at the problems of high power density and small volume of high-speed motors, which generate a large amount of heat and are difficult to discharge, resulting in heat accumulation, the invention uses cooling pipes to surround stator windings and stator iron cores to take away the heat to cool the main body of the high-speed motor. At the same time, it adapts to the small size of the high-speed motor, and the cooling pipeline part is arranged inside the base to reduce the space occupation, so that the high-speed motor can solve the problem of internal heat removal on the basis of the original volume unchanged. question.
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)
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 | Motor cooling device |
| 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 | a 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 | Liquid-cooled motor |
| 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 | Motor cooling device |
| 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 | a 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 | Liquid-cooled motor |
| 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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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200522 |
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| RJ01 | Rejection of invention patent application after publication |