CN107565755B - Permanent magnet direct-drive motor air-air cooler - Google Patents
Permanent magnet direct-drive motor air-air cooler Download PDFInfo
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- CN107565755B CN107565755B CN201710971344.0A CN201710971344A CN107565755B CN 107565755 B CN107565755 B CN 107565755B CN 201710971344 A CN201710971344 A CN 201710971344A CN 107565755 B CN107565755 B CN 107565755B
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- cooling
- permanent magnet
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- 238000001816 cooling Methods 0.000 claims abstract description 101
- 230000017525 heat dissipation Effects 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000011148 porous material Substances 0.000 claims description 3
- 230000003137 locomotive effect Effects 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to an air-to-air cooler of a permanent magnet direct-drive motor, which comprises a top cooler and a bottom cooler which are arranged on the upper end face and the lower end face of the permanent magnet direct-drive motor, wherein the bottom cooler comprises a heat dissipation supporting cover, a top sealing plate and a bottom cooling cavity; the top cooler comprises a heat dissipation cover cap, a bottom sealing plate and a top cooling cavity, hot air is sent to the top and bottom coolers through openings of the top cooling cavity, enters the top cooling air inlet cavity and is sent to the top cooling air return cavity along a top air channel, cold air is fed into the top air inlet of the top cooling cavity and is sent to the top air outlet, the cavity wall of the top cooling cavity, the fins and the top air channel exchange heat, the top air channel is sent back to the motor through the top cooling air return cavity after being cooled, and the cold air is discharged from the top air outlet after being exchanged heat; the hot air in the bottom cooler enters the bottom cooling air inlet cavity and is sent to the bottom cooling air return cavity along the bottom air channel, and the cold air is fed into the bottom air inlet at one end of the bottom cooling cavity and is sent to the bottom for air outlet.
Description
Technical Field
The invention relates to a cooler, in particular to an air-to-air cooler of a permanent magnet direct drive motor.
Background
With the vigorous development of the economy of China, the connection of regions of the country is also tightly strengthened, and the locomotive is used as a high-efficiency and convenient transportation means, thereby greatly facilitating the travel of people and the communication between cities. However, the existing locomotive products are aged and have imperfect functions. In order to realize the national motor train accelerating plan and increase the output of the locomotive, the locomotive is continuously updated. The permanent magnet direct-drive motor is used as an indispensable important component of the locomotive, and the matched cooler has higher and higher requirements on simplification and high efficiency.
Disclosure of Invention
The invention aims to solve the problem of cooling of a novel permanent magnet direct-drive motor and solve the influence of environments such as salt fog, moisture, sand dust and the like on a motor cooler in the prior art of locomotives. The novel permanent magnet direct-drive motor air cooler has the advantages of being simple in structure, good in heat exchange and cooling effect, capable of greatly reducing motor temperature rise and prolonging service life of a motor, and successfully achieving breakthrough of the design and manufacturing technology of key parts of domestic locomotives.
The invention is realized by adopting the following technical scheme: an air cooler of a permanent magnet direct drive motor is characterized in that: the bottom cooler comprises a heat dissipation supporting cover, a top sealing plate and a bottom cooling cavity, wherein a plurality of heat dissipation fins are arranged on the lower end face of the heat dissipation supporting cover, the top sealing plate encapsulates the top of the heat dissipation supporting cover and is connected to the lower end face of the permanent magnet direct drive motor through bolts, a bottom air inlet at one end of the bottom cooling cavity is connected to a side plate of the heat dissipation supporting cover and externally connected with cold air, a bottom air outlet at the other end of the bottom cooling cavity is communicated with a bottom air outlet on the lower end face of the heat dissipation supporting cover, the bottom cooling cavity divides the inner cavity of the heat dissipation supporting cover into a bottom cooling return air cavity at one side, a bottom cooling air inlet cavity at the other side and a bottom air channel which is positioned in the air inlet and outlet direction of the bottom cooling cavity and is communicated with the two air channels, a plurality of fins are arranged in the bottom air inlet and outlet direction side wall of the bottom cooling cavity, the bottom cooling air inlet cavity and the bottom cooling return air cavity are communicated with the inner cavity of the permanent magnet direct drive motor through openings of the top sealing plate or are communicated with the inner cavity of the permanent magnet direct drive motor through a pipeline through openings of the heat dissipation supporting cover side plate; the top cooler comprises a heat dissipation cover, a bottom sealing plate and a top cooling cavity, wherein a plurality of heat dissipation fins are arranged on the upper end face of the heat dissipation cover, the bottom sealing plate is used for sealing the bottom of the heat dissipation cover, the bottom sealing plate is connected to the upper end face of the permanent magnet direct-drive motor through bolts, one end of the top cooling cavity is a horn-shaped top air inlet which contracts outwards and is connected with external cold air on a side plate of the heat dissipation cover, the other end of the top cooling cavity is communicated with a top air outlet on the upper end face of the heat dissipation cover, the top cooling cavity divides the inner cavity of the heat dissipation cover into a top cooling return air cavity on one side, a top cooling air inlet cavity on the other side and a top air channel which is positioned in the air inlet and outlet direction of the top cooling cavity and is communicated with the two air channels, a plurality of fins are arranged in the top air channel are arranged on the side wall of the air inlet and outlet direction of the top cooling cavity, the top cooling air inlet cavity is communicated with the inner cavity of the permanent magnet direct-drive motor through a bottom sealing plate opening, or is communicated with the inner cavity of the permanent magnet direct-drive motor through a pipeline through the opening of the heat dissipation cover side plate opening, or is communicated with the bottom cooling return air cavity through a pipeline, the top cooling return air cavity is communicated with the inner cavity through the opening of the permanent magnet direct-drive motor through the opening of the bottom opening.
And the air inlet and the air outlet are provided with fences or pore plates.
The top cooling cavity is arranged in the heat dissipation cover cap in parallel and overhead; the bottom cooling cavity is arranged in the heat dissipation supporting cover in parallel and overhead.
When the permanent magnet direct-drive motor is used, hot air in the permanent magnet direct-drive motor can be respectively sent to the top cooler and the bottom cooler through openings or pipelines on the top cooling motor and the bottom sealing plate, the hot air enters the top cooling air inlet cavity and is sent to the top cooling air return cavity along the top air channel, cold air is fed into the horn-shaped top air inlet at one end of the top cooling cavity or is sent to the top air outlet at the other end through the fan, in the conveying process, heat exchange is carried out on the aluminum cavity wall of the top cooling cavity and fins outside the aluminum cavity wall and the top air channel, the hot air is sent back into the permanent magnet direct-drive motor through the top cooling air return cavity after being cooled in the top air channel, and the cold air is discharged from the top air outlet after heat exchange; in the bottom cooler, hot air enters a bottom cooling air inlet cavity and is sent to a bottom cooling air return cavity along a bottom air channel, cold air is fed into a bottom air inlet at one end of the bottom cooling cavity or is sent to a bottom air outlet at the other end of the bottom cooling cavity through a fan, in the conveying process, the aluminum cavity wall of the bottom cooling cavity and fins outside the aluminum cavity wall exchange heat with the bottom air channel, the hot air is sent back into the permanent magnet direct-drive motor through the bottom cooling air return cavity after being cooled in the bottom air channel, and the cold air is discharged from the bottom air outlet after exchanging heat, so that the hot air at the upper part and the lower part in the permanent magnet direct-drive motor can be effectively cooled; the bottom air outlet is connected to the top cooling air inlet cavity, hot air cooled in the bottom cooler is fed into the top cooler for further cooling, and cold air is pressed in from top to bottom, so that the air in the permanent magnet direct-drive motor is ensured to be completely cooled, and the problem that the hot air at the bottom cannot be cooled can be effectively avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the top cooler of FIG. 1;
FIG. 3 is a bottom view of FIG. 2;
FIG. 4 is a right side view of FIG. 2;
FIG. 5 is a top view of FIG. 2;
FIG. 6 is a schematic diagram of the bottom cooler of FIG. 1;
FIG. 7 is a top view of FIG. 6;
fig. 8 is a right side view of fig. 6.
In the figure: the permanent magnet direct-drive motor 1 comprises a top cooler 2, a heat dissipation cover 3, a top cooling cavity 4, a bottom sealing plate 5, a top inner fin 6, a top outer fin 7, a top air inlet 8, a top air outlet 9, a top cooling air inlet cavity 10, a top air duct 11, a top cooling air return cavity 12, a bottom cooler 13, a heat dissipation supporting cover 14, a bottom cooling cavity 15, a top sealing plate 16, a bottom inner fin 17, a bottom outer fin 18, a bottom air inlet 19, a bottom air outlet 20, a bottom cooling air inlet cavity 21, a bottom air duct 22 and a bottom cooling air return cavity 23.
Detailed Description
Further description is provided below with reference to the drawings and embodiments.
Fig. 1-8 show: the air-to-air cooler of the permanent magnet direct-drive motor comprises a top cooler 2 and a bottom cooler 13 which are respectively arranged on the upper end face and the lower end face of the permanent magnet direct-drive motor 1, wherein the bottom cooler 13 comprises a heat dissipation supporting cover 14, a top sealing plate 16 and a bottom cooling cavity 15, a plurality of bottom external fins 18 are arranged on the lower end face of the heat dissipation supporting cover 14, the top sealing plate seals the top of the heat dissipation supporting cover and is connected to the lower end face of the permanent magnet direct-drive motor through bolts, the bottom cooling cavity 15 is arranged in the heat dissipation supporting cover in a parallel and overhead manner, one end of the bottom air inlet 19 of the bottom cooling cavity is connected to the side plate on one side of the heat dissipation supporting cover and externally connected with cold air, the other end of the bottom cooling cavity is communicated with the bottom air outlet 20 on the lower end face of the heat dissipation supporting cover, the bottom cooling cavity divides the heat dissipation supporting cover cavity into a bottom cooling air return cavity 23 on one side, a bottom cooling air inlet cavity 21 on the other side and a plurality of bottom air return channels 22 which are communicated with the two air cavities in the air inlet and outlet directions of the bottom cooling cavity, a plurality of bottom internal fins 17 which are arranged in the bottom air inlet and outlet directions of the bottom cooling cavity are arranged on the side walls of the bottom cooling cavity, the bottom cooling cavity is communicated with the inner cavity through openings of the top sealing plate, or the permanent magnet direct-drive motor is communicated with the inner cavity through the heat dissipation cavity through the side plate through the opening; the top cooler 2 comprises a heat dissipation cover 3, a bottom sealing plate 5 and a top cooling cavity 4, wherein a plurality of top outer fins 7 are arranged on the upper end face of the heat dissipation cover, the bottom sealing plate 5 encapsulates the bottom of the heat dissipation cover, the bottom sealing plate is connected to the upper end face of the permanent magnet direct drive motor through bolts, the top cooling cavity 4 is arranged in the heat dissipation cover 3 in a parallel and overhead mode, one end of the top cooling cavity is a horn-shaped top air inlet 8 shrinking outwards and is connected to external cold air on one side plate of the heat dissipation cover, the other end outlet of the top cooling cavity is communicated with a top air outlet 9 on the upper end face of the heat dissipation cover, the top cooling cavity 4 divides the inner cavity of the heat dissipation cover into a top cooling return air cavity 12 on one side, a top cooling air inlet cavity 10 on the other side and a top air channel 11 which is positioned in the air inlet and outlet direction of the top cooling cavity and is communicated with the two air channels, the top cooling air inlet cavity is arranged on the side wall in the air inlet and outlet direction of the top cooling cavity and is communicated with the inner cavity of the permanent magnet direct drive motor through a bottom sealing plate opening, or is communicated with the inner cavity of the permanent magnet direct drive motor through a pipeline through a cover opening, or is communicated with the bottom cooling return air cavity through the permanent magnet opening.
On the basis of the embodiment, the air inlet and the air outlet can be also provided with a fence or a pore plate.
Claims (3)
1. An air cooler of a permanent magnet direct drive motor is characterized in that: the bottom cooler comprises a heat dissipation supporting cover, a top sealing plate and a bottom cooling cavity, wherein a plurality of heat dissipation fins are arranged on the lower end face of the heat dissipation supporting cover, the top sealing plate encapsulates the top of the heat dissipation supporting cover and is connected to the lower end face of the permanent magnet direct drive motor through bolts, a bottom air inlet at one end of the bottom cooling cavity is connected to a side plate of the heat dissipation supporting cover and externally connected with cold air, a bottom air outlet at the other end of the bottom cooling cavity is communicated with a bottom air outlet on the lower end face of the heat dissipation supporting cover, the bottom cooling cavity divides the inner cavity of the heat dissipation supporting cover into a bottom cooling return air cavity at one side, a bottom cooling air inlet cavity at the other side and a bottom air channel which is positioned in the air inlet and outlet direction of the bottom cooling cavity and is communicated with the two air channels, a plurality of fins are arranged in the bottom air inlet and outlet direction side wall of the bottom cooling cavity, the bottom cooling air inlet cavity and the bottom cooling return air cavity are communicated with the inner cavity of the permanent magnet direct drive motor through openings of the top sealing plate or are communicated with the inner cavity of the permanent magnet direct drive motor through a pipeline through openings of the heat dissipation supporting cover side plate; the top cooler comprises a heat dissipation cover, a bottom sealing plate and a top cooling cavity, wherein a plurality of heat dissipation fins are arranged on the upper end face of the heat dissipation cover, the bottom sealing plate is used for sealing the bottom of the heat dissipation cover, the bottom sealing plate is connected to the upper end face of the permanent magnet direct-drive motor through bolts, one end of the top cooling cavity is a horn-shaped top air inlet which contracts outwards and is connected with external cold air on a side plate of the heat dissipation cover, the other end of the top cooling cavity is communicated with a top air outlet on the upper end face of the heat dissipation cover, the top cooling cavity divides the inner cavity of the heat dissipation cover into a top cooling return air cavity on one side, a top cooling air inlet cavity on the other side and a top air channel which is positioned in the air inlet and outlet direction of the top cooling cavity and is communicated with the two air channels, a plurality of fins are arranged in the top air channel are arranged on the side wall of the air inlet and outlet direction of the top cooling cavity, the top cooling air inlet cavity is communicated with the inner cavity of the permanent magnet direct-drive motor through a bottom sealing plate opening, or is communicated with the inner cavity of the permanent magnet direct-drive motor through a pipeline through the opening of the heat dissipation cover side plate opening, or is communicated with the bottom cooling return air cavity through a pipeline, the top cooling return air cavity is communicated with the inner cavity through the opening of the permanent magnet direct-drive motor through the opening of the bottom opening.
2. An air cooler for a permanent magnet direct drive motor according to claim 1, wherein: and the air inlet and the air outlet are provided with fences or pore plates.
3. An air cooler for a permanent magnet direct drive motor according to claim 1, wherein: the top cooling cavity is arranged in the heat dissipation cover cap in parallel and overhead; the bottom cooling cavity is arranged in the heat dissipation supporting cover in parallel and overhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971344.0A CN107565755B (en) | 2017-10-18 | 2017-10-18 | Permanent magnet direct-drive motor air-air cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971344.0A CN107565755B (en) | 2017-10-18 | 2017-10-18 | Permanent magnet direct-drive motor air-air cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107565755A CN107565755A (en) | 2018-01-09 |
| CN107565755B true CN107565755B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710971344.0A Active CN107565755B (en) | 2017-10-18 | 2017-10-18 | Permanent magnet direct-drive motor air-air cooler |
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| CN (1) | CN107565755B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207542948U (en) * | 2017-10-18 | 2018-06-26 | 江苏兆胜科技股份有限公司 | A kind of permanent magnet direct driving motor hollow cooler |
Citations (10)
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|---|---|---|---|---|
| JPH06217495A (en) * | 1993-01-13 | 1994-08-05 | Fuji Electric Co Ltd | Cooling system for electric rotating machine |
| JP2004364365A (en) * | 2003-06-02 | 2004-12-24 | Toshiba Corp | Totally-enclosed self-cooled motor for driving vehicle and process for manufacturing cooler for motor |
| CN101764466A (en) * | 2009-11-24 | 2010-06-30 | 江苏兆胜空调有限公司 | Motor cooling device |
| CN201869028U (en) * | 2010-11-30 | 2011-06-15 | 江苏兆胜空调有限公司 | Air-to-air cooler of double-fed wind driven generator |
| CN103117626A (en) * | 2013-02-04 | 2013-05-22 | 无锡市豫达换热器有限公司 | Air-air cooler |
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| CN106655630A (en) * | 2016-12-26 | 2017-05-10 | 浙江尔格科技股份有限公司 | Air-to-air cooler |
| CN106787394A (en) * | 2016-12-16 | 2017-05-31 | 卧龙电气集团股份有限公司 | The absolutely empty box variable-frequency motor of cooling type |
| CN207542948U (en) * | 2017-10-18 | 2018-06-26 | 江苏兆胜科技股份有限公司 | A kind of permanent magnet direct driving motor hollow cooler |
-
2017
- 2017-10-18 CN CN201710971344.0A patent/CN107565755B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06217495A (en) * | 1993-01-13 | 1994-08-05 | Fuji Electric Co Ltd | Cooling system for electric rotating machine |
| JP2004364365A (en) * | 2003-06-02 | 2004-12-24 | Toshiba Corp | Totally-enclosed self-cooled motor for driving vehicle and process for manufacturing cooler for motor |
| CN101764466A (en) * | 2009-11-24 | 2010-06-30 | 江苏兆胜空调有限公司 | Motor cooling device |
| CN201869028U (en) * | 2010-11-30 | 2011-06-15 | 江苏兆胜空调有限公司 | Air-to-air cooler of double-fed wind driven generator |
| CN103117626A (en) * | 2013-02-04 | 2013-05-22 | 无锡市豫达换热器有限公司 | Air-air cooler |
| CN103580386A (en) * | 2013-11-13 | 2014-02-12 | 中电电机股份有限公司 | Large current air-water cooling totally-closed sliding ring cover structure for wind electricity |
| JP2017046452A (en) * | 2015-08-26 | 2017-03-02 | 東芝三菱電機産業システム株式会社 | Rotary electric machine |
| CN106787394A (en) * | 2016-12-16 | 2017-05-31 | 卧龙电气集团股份有限公司 | The absolutely empty box variable-frequency motor of cooling type |
| CN106655630A (en) * | 2016-12-26 | 2017-05-10 | 浙江尔格科技股份有限公司 | Air-to-air cooler |
| CN207542948U (en) * | 2017-10-18 | 2018-06-26 | 江苏兆胜科技股份有限公司 | A kind of permanent magnet direct driving motor hollow cooler |
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| CN107565755A (en) | 2018-01-09 |
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