CN214255905U - Natural air cooling heat dissipation type permanent magnet synchronous motor - Google Patents
Natural air cooling heat dissipation type permanent magnet synchronous motor Download PDFInfo
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- CN214255905U CN214255905U CN202120456844.2U CN202120456844U CN214255905U CN 214255905 U CN214255905 U CN 214255905U CN 202120456844 U CN202120456844 U CN 202120456844U CN 214255905 U CN214255905 U CN 214255905U
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- heat dissipation
- cooling heat
- permanent magnet
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Abstract
The utility model discloses a nature forced air cooling heat dissipation formula PMSM contains motor casing, rotor and stator, and the stator is fixed to be set up on the motor casing inner wall, and the rotor rotates to set up at the stator inboardly, and it has a plurality of stator wind channels to open on the stator, and it has a plurality of rotor wind channels to open on the rotor, and the both ends of rotor are provided with the fan blade. The utility model discloses a PMSM's natural air-cooled radiating mode through to motor stator and rotor design heat dissipation passageway, rotor tip increase fan blade can accelerate gas flow and realize the quick convection of inside heat at rotatory in-process, conduct the heat of these high calorific capacity parts of stator and rotor on end cover and other low calorific capacity parts.
Description
Technical Field
The utility model relates to a PMSM, especially a natural air cooling heat dissipation formula PMSM belong to the new forms of energy car field.
Background
The permanent magnet synchronous motor provides excitation by the permanent magnet, so that the structure of the motor is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; and because excitation current is not needed, excitation loss is avoided, and the efficiency and the power density of the motor are improved. The traditional permanent magnet synchronous motor mostly adopts a water-cooling heat dissipation mode, a circulating water channel is designed on a mechanism of the motor, and then the water-cooling heat dissipation of the motor is realized through one set of heat dissipation system comprising a radiator, an electric water pump, a water pipe and other accessories, so that the set of heat dissipation system is complex in structure and high in cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a nature forced air cooling heat dissipation formula PMSM is provided, PMSM's forced air cooling heat dissipation is realized.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a nature forced air cooling heat dissipation formula PMSM which characterized in that: contain motor casing, rotor and stator, the stator is fixed to be set up on the motor casing inner wall, and the rotor rotates and sets up at the stator inboard, and it has a plurality of stator wind channels to open on the stator, and it has a plurality of rotor wind channels to open on the rotor, and the both ends of rotor are provided with the fan blade.
Further, the stator air duct is a plurality of ventilation holes arranged along the axial direction of the stator, the two ends of each ventilation hole penetrate through the end faces of the two ends of the stator, and the plurality of ventilation holes are arranged at equal intervals along the circumferential direction of the stator.
Further, the rotor air duct is arranged between the rotor rotating shaft and the rotor iron core, the rotor air duct comprises a plurality of strip-shaped heat dissipation holes arranged along the axial direction of the rotor, and the plurality of strip-shaped heat dissipation holes are distributed at equal intervals along the circumferential direction of the rotor.
Furthermore, the fan blades at two ends of the rotor are arranged in an inclined mode, the fan blades at any end of the rotor are inclined in the same clockwise direction, the fan blades are arranged at equal intervals along the circumferential direction of the end of the rotor, and the inclined directions of the fan blades at two ends of the rotor are opposite.
Furthermore, radiating fins are arranged on the outer side face of the motor shell and are long-strip-shaped thin sheets arranged along the axis direction of the motor shell, the width direction of each radiating fin is arranged along the radial direction of the motor shell, one side of each radiating fin is fixed on the outer side face of the motor shell and is integrally arranged with the motor shell, and a plurality of radiating fins are distributed on the outer side face of the motor shell at equal intervals along the circumferential direction of the motor shell.
Further, the iron core of the rotor adopts an ultrathin silicon steel sheet.
Furthermore, the coil of the rotor is made of square flat copper wires.
Further, the structural parts of the motor shell, the stator and the rotor are made of high-strength magnesium-aluminum alloy.
Furthermore, end covers are arranged at two ends of the motor shell, and a flow guide vortex structure is arranged on the inner wall of each end cover.
Compared with the prior art, the utility model, have following advantage and effect:
1. the utility model discloses a natural air-cooled heat dissipation type permanent magnet synchronous motor, which realizes the natural air-cooled heat dissipation mode of the permanent magnet synchronous motor;
2. the total efficiency is improved and the overall heating value of the motor is reduced by reducing the iron loss of the motor through the ultrathin silicon steel sheet, increasing the slot filling rate of the square flat wire copper wire and the like, and the natural air cooling heat dissipation mode is convenient to realize because the heating value of the system is reduced;
3. through to motor stator and rotor design heat dissipation channel, rotor tip increases the quick convection current that the gas flow can accelerate to realize inside heat at rotatory in-process, conduct the heat of these high calorific capacity parts of stator and rotor to the end cover and other low calorific capacity parts, end cover part design spiral case structure, the fluid can flow back according to the orbit backward flow of a law after hitting the end cover, realize the automatic soaking process of whole motor assembly self, and then dispel the heat through the radiating fin of motor surface.
Drawings
Fig. 1 is a schematic diagram of a natural air-cooling heat dissipation type permanent magnet synchronous motor of the present invention.
Fig. 2 is a side view of the natural air cooling heat dissipation type permanent magnet synchronous motor of the present invention.
Fig. 3 is a cross-sectional view of a natural air-cooled heat dissipation type permanent magnet synchronous motor of the present invention.
Detailed Description
To elaborate on the technical solution adopted by the present invention for achieving the predetermined technical purpose, the technical solution in the embodiment of the present invention will be clearly and completely described below by combining with the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a partial embodiment of the present invention, not a whole embodiment, and technical means or technical features in the embodiment of the present invention can be replaced without paying creative efforts, and the present invention will be described in detail below by combining with the embodiments with reference to the drawings.
As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a natural forced air cooling heat dissipation formula PMSM contains motor casing 1, rotor 2 and stator 3, and stator 3 is fixed to be set up on 1 inner wall of motor casing, and rotor 2 rotates to set up at 3 inboards of stator, and it has a plurality of stator wind channels 4 to open on the stator 3, and it has a plurality of rotor wind channels 5 to open on rotor 2, and rotor 2's both ends are provided with fan blade 6.
The fan blades 6 at two ends of the rotor 2 are obliquely arranged, the fan blades 6 at the end part of any one end of the rotor 2 are obliquely arranged along the same clockwise direction, the fan blades 6 are equidistantly arranged along the circumferential direction of the end part of the rotor 2, and the oblique directions of the fan blades 6 at two ends of the rotor 2 are opposite. Thus, the fan blades 6 at one end of the rotor 2 blow air outside the rotor to the inside, and the fan blades 6 at the opposite end blow air inside the rotor to the outside, so that the air inside the motor housing 1 forms a complete closed loop, and high temperature in the rotor is transmitted to the motor housing 1 and end covers at two ends.
The outer side surface of the motor shell 1 is provided with radiating fins 7, the radiating fins 7 are elongated thin sheets arranged along the axis direction of the motor shell 1, each radiating fin 7 is arranged along the radial direction of the motor shell 1 in the width direction, one side of each radiating fin 7 is fixed on the outer side surface of the motor shell 1 and is integrally arranged with the motor shell 1, and the plurality of radiating fins 7 are distributed on the outer side surface of the motor shell 1 at equal intervals along the circumferential direction of the motor shell 1.
The iron core of the rotor 2 adopts an ultrathin silicon steel sheet. The coil of the rotor 2 is made of square flat copper wire. The structural parts of the motor shell 1, the stator 3 and the rotor 2 adopt high-strength magnesium-aluminum alloy. End covers are arranged at two ends of the motor shell 1, and a flow guide vortex structure is arranged on the inner wall of each end cover.
The utility model discloses a natural air-cooled heat dissipation type permanent magnet synchronous motor, which realizes the natural air-cooled heat dissipation mode of the permanent magnet synchronous motor; the total efficiency is improved and the overall heating value of the motor is reduced by reducing the iron loss of the motor through the ultrathin silicon steel sheet, increasing the slot filling rate of the square flat wire copper wire and the like, and the natural air cooling heat dissipation mode is convenient to realize because the heating value of the system is reduced; through to motor stator and rotor design heat dissipation channel, rotor tip increases the quick convection current that the gas flow can accelerate to realize inside heat at rotatory in-process, conduct the heat of these high calorific capacity parts of stator and rotor to the end cover and other low calorific capacity parts, end cover part design spiral case structure, the fluid can flow back according to the orbit backward flow of a law after hitting the end cover, realize the automatic soaking process of whole motor assembly self, and then dispel the heat through the radiating fin of motor surface.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the technical scope of the present invention, but all the modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a nature forced air cooling heat dissipation formula PMSM which characterized in that: contain motor casing, rotor and stator, the stator is fixed to be set up on the motor casing inner wall, and the rotor rotates and sets up at the stator inboard, and it has a plurality of stator wind channels to open on the stator, and it has a plurality of rotor wind channels to open on the rotor, and the both ends of rotor are provided with the fan blade.
2. The natural air-cooling heat dissipation type permanent magnet synchronous motor according to claim 1, characterized in that: the stator air duct is a plurality of ventilation holes arranged along the axial direction of the stator, the two ends of each ventilation hole penetrate through the end faces of the two ends of the stator, and the plurality of ventilation holes are arranged at equal intervals along the circumferential direction of the stator.
3. The natural air-cooling heat dissipation type permanent magnet synchronous motor according to claim 1, characterized in that: the rotor air duct is arranged between the rotor rotating shaft and the rotor iron core, and the rotor air duct comprises a plurality of strip-shaped heat dissipation holes arranged along the axial direction of the rotor, and the plurality of strip-shaped heat dissipation holes are distributed at equal intervals along the circumferential direction of the rotor.
4. The natural air-cooling heat dissipation type permanent magnet synchronous motor according to claim 1, characterized in that: the fan blades at two ends of the rotor are arranged in an inclined mode, the fan blades at the end part of any one end of the rotor are inclined in the same clockwise direction and are arranged at equal intervals along the circumferential direction of the end part of the rotor, and the inclined directions of the fan blades at two ends of the rotor are opposite.
5. The natural air-cooling heat dissipation type permanent magnet synchronous motor according to claim 1, characterized in that: the motor shell is characterized in that radiating fins are arranged on the outer side face of the motor shell and are long-strip-shaped thin slices arranged along the axis direction of the motor shell, the width direction of each radiating fin is arranged along the radial direction of the motor shell, one side of each radiating fin is fixed on the outer side face of the motor shell and is integrally arranged with the motor shell, and a plurality of radiating fins are distributed on the outer side face of the motor shell at equal intervals along the circumferential direction of the motor shell.
6. The natural air-cooling heat dissipation type permanent magnet synchronous motor according to claim 1, characterized in that: the iron core of the rotor is made of ultrathin silicon steel sheets.
7. The natural air-cooling heat dissipation type permanent magnet synchronous motor according to claim 1, characterized in that: the coil of the rotor is made of square flat copper wires.
8. The natural air-cooling heat dissipation type permanent magnet synchronous motor according to claim 1 or 5, characterized in that: the structural parts of the motor shell, the stator and the rotor are made of high-strength magnesium-aluminum alloy.
9. The natural air-cooling heat dissipation type permanent magnet synchronous motor according to claim 1, characterized in that: the motor shell is characterized in that end covers are arranged at two ends of the motor shell, and a flow guide vortex structure is arranged on the inner wall of each end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120456844.2U CN214255905U (en) | 2021-03-03 | 2021-03-03 | Natural air cooling heat dissipation type permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120456844.2U CN214255905U (en) | 2021-03-03 | 2021-03-03 | Natural air cooling heat dissipation type permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214255905U true CN214255905U (en) | 2021-09-21 |
Family
ID=77727289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120456844.2U Expired - Fee Related CN214255905U (en) | 2021-03-03 | 2021-03-03 | Natural air cooling heat dissipation type permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214255905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142632A (en) * | 2021-12-07 | 2022-03-04 | 江苏集萃智能制造技术研究所有限公司 | Large-torque low-temperature-rise brushless motor |
-
2021
- 2021-03-03 CN CN202120456844.2U patent/CN214255905U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142632A (en) * | 2021-12-07 | 2022-03-04 | 江苏集萃智能制造技术研究所有限公司 | Large-torque low-temperature-rise brushless motor |
| CN114142632B (en) * | 2021-12-07 | 2023-09-22 | 江苏集萃智能制造技术研究所有限公司 | Large-torque low-temperature-rise brushless motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210921 |