CN212726593U - Efficient heat dissipation permanent magnet motor - Google Patents
Efficient heat dissipation permanent magnet motor Download PDFInfo
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- CN212726593U CN212726593U CN202021261319.7U CN202021261319U CN212726593U CN 212726593 U CN212726593 U CN 212726593U CN 202021261319 U CN202021261319 U CN 202021261319U CN 212726593 U CN212726593 U CN 212726593U
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- end cover
- steel
- permanent magnet
- efficient heat
- stator core
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Abstract
The utility model discloses a high-efficient radiating permanent-magnet machine, including the frame, be equipped with steel bushing, stator core and magnet steel in the frame respectively, both ends are equipped with upper end cover and bottom end cover respectively about the frame, and the other end that the upper end cover was kept away from to the bottom end cover is equipped with the fin, is equipped with the connecting axle with steel bushing fixed connection in the middle of the upper end cover. The utility model has the advantages that: the motor spindle is made of high-strength medium-carbon alloy steel, the stability of the motor is guaranteed, N40SH high-quality neodymium-iron-boron tile-shaped magnetic steel is adopted, the surface is plated with nickel, the residual magnetism state is kept not to exceed an inflection point, the lower end cover is made of cast aluminum and an instant demolding process is adopted, the weight of the product is reduced by 47%, the heat dissipation area is increased by 68% compared with that of the common heat dissipation plate, the overall heat dissipation effect is excellent, the motor runs for 72 hours at full load, and the internal.
Description
Technical Field
The utility model relates to a permanent-magnet machine technical field specifically is a high-efficient radiating permanent-magnet machine.
Background
The permanent magnet motor has the characteristics of reliable operation, small volume, light weight, small loss, high efficiency and the like, and has the obvious advantages of flexible and various shapes and sizes, so that the application range is extremely wide and almost extends to various fields of aerospace, national defense, industry and agriculture, production and daily life;
among the prior art, rotor motor is in the course of the work, alternating current produces eddy current loss in iron core and yoke, can produce a large amount of heats, these heats make the temperature rise of motor during operation, too high temperature can influence the normal work of motor, thereby not only can make wire resistance increase loss reduction efficiency, still can reduce the magnetism of magnet steel and lose magnetism even, when the temperature surpassed insulating material's limit operating temperature, can make insulating material inefficacy, thereby lead to serious consequences such as short circuit between certain meeting ground or the three-phase.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient radiating permanent-magnet machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient radiating permanent-magnet machine, includes the frame, be equipped with steel bushing, stator core and magnet steel in the frame respectively, both ends are equipped with upper end cover and lower end cover respectively about the frame, the lower end cover is kept away from the other end of upper end cover is equipped with the fin, be equipped with in the middle of the upper end cover with steel bushing fixed connection's connecting axle.
Preferably, the connecting shaft penetrates through the upper end cover and the stator core and is fixedly connected with the steel bushing, and the steel bushing is provided with a limiting installation groove fixedly connected with the connecting shaft.
Preferably, the connecting shaft is made of high-strength medium carbon alloy steel and adopts a double-clamp-spring fixing structure.
Preferably, the upper end cover is integrated into one piece's steel structure, and its terminal surface is equipped with a plurality of strengthening ribs that are used for with flabellum fixed connection, and is a plurality of all seted up a plurality of screw holes on the strengthening rib.
Preferably, the steel sleeve is mounted in the middle of the stator core and used for connecting the stator core and the connecting shaft.
Preferably, the magnetic steel is arranged between the stator core and the base, and is neodymium iron boron tile-shaped magnetic steel with nickel plated on the surface.
Preferably, the lower end cover is an integrally formed aluminum multi-rib centripetal structure.
Preferably, a high-temperature-resistant heat-conducting adhesive is coated between the base and the magnetic steel and is adhered with double layers of insulating paper.
Advantageous effects
The utility model provides a high-efficient radiating permanent-magnet machine, motor spindle adopts the medium carbon alloy steel of high strength, guarantees motor stability, adopts N40SH high-quality neodymium iron boron tile type magnet steel, surface nickel plating, keeps the excessive inflection point of remanence state, lower end cover adopts cast aluminium demoulding process in the twinkling of an eye, 47% product weight has alleviateed, the fin design increases 68% heat radiating area than ordinary money altogether, whole radiating effect is outstanding, full load operation 72 hours, the inside temperature of motor < 60 ℃.
Drawings
FIG. 1 is a disassembled view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention.
Reference numerals
1-connecting shaft, 2-upper end cover, 3-stator core, 4-steel sleeve, 5-base, 6-magnetic steel, 7-lower end cover and 8-radiating fin.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
Examples
As shown in fig. 1-2, a permanent magnet motor with high heat dissipation efficiency comprises a base 5, a steel bushing 4, a stator core 3 and magnetic steel 6 are respectively arranged in the base 5, an upper end cover 2 and a lower end cover 7 are respectively arranged at the upper end and the lower end of the base 5, a heat sink 8 is arranged at the other end of the lower end cover 7 far away from the upper end cover 2, and a connecting shaft 1 fixedly connected with the steel bushing 4 is arranged in the middle of the upper end cover 2.
Preferably, the connecting shaft 1 penetrates through the upper end cover 2 and the stator core 3 to be fixedly connected with the steel sleeve 4, and the steel sleeve 4 is provided with a limiting installation groove fixedly connected with the connecting shaft 1.
Preferably, the connecting shaft 1 is made of high-strength medium carbon alloy steel and adopts a double-clamp-spring fixing structure.
Preferably, upper end cover 2 is integrated into one piece's steel structure, and its terminal surface is equipped with a plurality of strengthening ribs that are used for with flabellum fixed connection, and all seted up a plurality of screw holes on a plurality of strengthening ribs.
Preferably, the steel sleeve 4 is installed in the middle of the stator core 3 and used for connecting the stator core 3 and the connecting shaft 1.
Preferably, the magnetic steel 6 is arranged between the stator core 3 and the base 5, and the magnetic steel 6 is neodymium iron boron tile-shaped magnetic steel and has nickel plating on the surface.
Preferably, the lower end cap 7 is an integrally formed aluminum multi-rib centripetal structure.
Preferably, a high-temperature-resistant heat-conducting adhesive is coated between the base 5 and the magnetic steel 6, and double layers of insulating paper are attached.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the protection scope of the present invention.
Claims (8)
1. The utility model provides a high-efficient radiating permanent-magnet machine, includes frame (5), its characterized in that: the motor is characterized in that a steel sleeve (4), a stator core (3) and magnetic steel (6) are arranged in the motor base (5), an upper end cover (2) and a lower end cover (7) are arranged at the upper end and the lower end of the motor base (5) respectively, the lower end cover (7) is far away from the other end of the upper end cover (2) and is provided with a radiating fin (8), and a connecting shaft (1) fixedly connected with the steel sleeve (4) is arranged in the middle of the upper end cover (2).
2. A highly efficient heat dissipating permanent magnet electric machine according to claim 1, characterized in that: the connecting shaft (1) penetrates through the upper end cover (2), the stator core (3) and the steel bushing (4) to be fixedly connected, and a limiting mounting groove fixedly connected with the connecting shaft (1) is formed in the steel bushing (4).
3. A highly efficient heat dissipating permanent magnet electric machine according to claim 2, characterized in that: the connecting shaft (1) is made of high-strength medium carbon alloy steel and adopts a double-clamp-spring fixing structure.
4. A highly efficient heat dissipating permanent magnet electric machine according to claim 1, characterized in that: the upper end cover (2) is of an integrally formed steel structure, a plurality of reinforcing ribs fixedly connected with the fan blades are arranged on the end face of the upper end cover, and a plurality of threaded holes are formed in the reinforcing ribs.
5. A highly efficient heat dissipating permanent magnet electric machine according to claim 1, characterized in that: the steel sleeve (4) is arranged in the middle of the stator core (3) and used for connecting the stator core (3) with the connecting shaft (1).
6. A highly efficient heat dissipating permanent magnet electric machine according to claim 1, characterized in that: magnet steel (6) set up in stator core (3) with between frame (5), just magnet steel (6) are neodymium iron boron tile type magnet steel, and the surface nickel plating.
7. A highly efficient heat dissipating permanent magnet electric machine according to claim 1, characterized in that: the lower end cover (7) is an integrally formed aluminum multi-rib centripetal force structure.
8. A highly efficient heat dissipating permanent magnet electric machine according to claim 1, characterized in that: and a double-layer insulating paper is adhered between the base (5) and the magnetic steel (6) by coating a high-temperature-resistant heat-conducting adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021261319.7U CN212726593U (en) | 2020-07-02 | 2020-07-02 | Efficient heat dissipation permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021261319.7U CN212726593U (en) | 2020-07-02 | 2020-07-02 | Efficient heat dissipation permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212726593U true CN212726593U (en) | 2021-03-16 |
Family
ID=74965021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021261319.7U Active CN212726593U (en) | 2020-07-02 | 2020-07-02 | Efficient heat dissipation permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212726593U (en) |
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2020
- 2020-07-02 CN CN202021261319.7U patent/CN212726593U/en active Active
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