CN210431059U - Stator and rotor core punching sheet of permanent magnet motor - Google Patents
Stator and rotor core punching sheet of permanent magnet motor Download PDFInfo
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- CN210431059U CN210431059U CN201921752020.9U CN201921752020U CN210431059U CN 210431059 U CN210431059 U CN 210431059U CN 201921752020 U CN201921752020 U CN 201921752020U CN 210431059 U CN210431059 U CN 210431059U
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- iron core
- magnetic steel
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- ventilation
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Abstract
The utility model relates to a permanent-magnet machine stator and rotor core towards piece belongs to motor element technical field. The utility model provides a current permanent-magnet machine stator and rotor core towards the problem that the ventilation that exists is not smooth, interelectrode magnetic leakage. The utility model comprises a circular iron core disk, a plurality of groups of ventilation slots are evenly arranged on the edge of the iron core disk, a plurality of groups of magnetic steel slot groups are evenly arranged on the outer side of the iron core disk, a plurality of groups of ventilation lightening holes are evenly arranged on the inner side of the iron core disk, a central mounting hole is arranged in the center of the iron core disk, and two mounting grooves are symmetrically arranged on the central mounting hole; the magnetic steel groove group comprises magnetic steel grooves which are symmetrically arranged.
Description
Technical Field
The utility model relates to a permanent-magnet machine stator and rotor core towards piece belongs to permanent-magnet machine technical field.
Background
The permanent magnet motor is a motor which generates a synchronous rotating magnetic field by permanent magnet excitation, the permanent magnet is used as a rotor to generate a rotating magnetic field, and a three-phase stator winding is reacted through an armature under the action of the rotating magnetic field to induce three-phase symmetrical current. The permanent magnet motor is widely used due to the advantages of high efficiency, low energy consumption and the like, the rotor magnetic steel of the common permanent magnet motor is of an externally-embedded type, namely, the magnetic steel is embedded in an outer circular groove of a rotor punching sheet, the rotor punching sheet is a full-circle sheet, the structure has the problems of inter-electrode magnetic flux leakage, no ventilation and the like, the motor performance can be influenced by the problems, and the working efficiency and the service life of the motor are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned defect that current iron core towards the piece exists, provided a permanent-magnet machine stator and rotor core towards the piece, through the magnetic steel groove that sets up on the iron core dish, fix the magnet steel on the iron core towards the piece, reduce the emergence of magnetic leakage phenomenon, simultaneously through the ventilation groove of inboard ventilation lightening hole and edge setting, increase airflow channel to reduce the temperature of magnet steel more easily when using, improve life and work efficiency.
The utility model discloses an adopt following technical scheme to realize:
a permanent magnet motor stator and rotor iron core punching sheet comprises an iron core disc, wherein the iron core disc is circular, a plurality of groups of ventilation slots are uniformly formed in the edge of the iron core disc, a plurality of groups of magnetic steel slot groups are uniformly formed in the outer side of the iron core disc, a plurality of groups of ventilation lightening holes are uniformly formed in the inner side of the iron core disc, a central mounting hole is formed in the center of the iron core disc, and two mounting slots are symmetrically formed in the central mounting hole; the magnetic steel groove group comprises magnetic steel grooves which are symmetrically arranged.
The ventilation lightening holes can play a role in reducing the temperature of the inner side of the magnetic steel, and the whole weight of the stator and rotor core punching sheet of the permanent magnet motor is reduced, so that more work can be output, and excessive waste on the stator and rotor core punching sheet of the permanent magnet motor is avoided. The permanent magnet motor stator and rotor core punching sheet can prolong the service life and improve the working efficiency.
Preferably, the ventilation grooves are arranged in a triangular shape with a large outer side and a small inner side, and the inner side corners are fillets.
Preferably, the magnetic steel groove is a strip-shaped open groove, the front end of the strip-shaped groove is provided with a front oblique convex card, and the rear end of the strip-shaped groove is provided with a rear convex card. The magnetic steel is conveniently clamped in the strip-shaped slot. Make the magnetic steel fixed more closely
Further preferably, the rear end of the rear convex card is provided with an oblique vent groove. And a ventilation channel is added, so that the heat dissipation effect of the magnetic steel is further improved.
The utility model has the advantages that:
(1) permanent-magnet machine stator and rotor core towards piece, the ventilation lightening hole both can play the effect that reduces the inboard temperature of magnet steel, reduces permanent-magnet machine stator and rotor core towards the whole weight of piece simultaneously for the output that the merit of effect can be more, the waste that can not be too much is on permanent-magnet machine stator and rotor core towards the piece. The permanent magnet motor stator and rotor core punching sheet can prolong the service life and improve the working efficiency.
(2) Permanent-magnet machine stator and rotor core towards piece, the magnet steel can be embedded at the magnet steel inslot to compress tightly the magnet steel at the iron core dish inboard through preceding oblique protruding card and back protruding card, reduce the production of interelectrode magnetic leakage.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
in the figure: 1. an iron core disc; 2. a magnetic steel groove; 2-1, a front oblique convex card; 2-2, a rear convex card; 3. a ventilation slot; 4. ventilating lightening holes; 5. a central mounting hole; 6. and (4) mounting the groove.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-2, the stator/rotor core punching sheet for a permanent magnet motor according to the present invention comprises a circular core disc 1, wherein a plurality of sets of ventilation slots 3 are uniformly formed in the edge of the core disc 1, a plurality of sets of magnetic steel slot sets are uniformly formed in the outer side of the core disc 1, a plurality of sets of ventilation lightening holes 4 are uniformly formed in the inner side of the core disc 1, a central mounting hole 5 is formed in the center of the core disc 1, and two mounting slots 6 are symmetrically formed in the central mounting hole 5; the magnetic steel slot group comprises magnetic steel slots 2 which are symmetrically arranged. The ventilation slots 3 are arranged in a triangular shape with a large outer side and a small inner side, and the inner side corners are filleted corners. The magnetic steel groove 2 is a strip-shaped groove, the front end of the strip-shaped groove is provided with a front inclined convex card 2-1, and the rear end of the strip-shaped groove is provided with a rear convex card 2-2. The rear end of the rear convex card 2-2 is provided with an oblique vent groove.
The utility model discloses a use as follows:
when the permanent magnet motor stator and rotor core punching sheet is used, a plurality of permanent magnet motor stator and rotor core punching sheets are overlapped together and fixed on the iron core through the central mounting hole 5, the iron core is positioned through the mounting groove 6, then the magnetic steel is placed into the magnetic steel groove 2 and is compressed through the front inclined convex card 2-1 and the rear convex card 2-2, after the permanent magnet motor stator and rotor core punching sheet is mounted, the ventilation lightening holes 4 arranged in the middle and the ventilation grooves 3 arranged at the edges can play a ventilation role, the airflow flowing in the middle and the edges can be effectively increased, the temperature of the permanent magnet motor stator and rotor core punching sheet can be reduced, particularly, the temperature in the middle of the permanent magnet motor stator and rotor core punching sheet can be reduced, the temperature of the magnetic steel can be reduced from the outer side and.
The utility model discloses mainly apply to the place of permanent-magnet machine stator-rotor combination.
Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.
Claims (4)
1. The utility model provides a permanent-magnet machine stator and rotor core towards piece which characterized in that: the novel iron core plate comprises an iron core plate (1), wherein the iron core plate (1) is circular, a plurality of groups of ventilation slots (3) are uniformly formed in the edge of the iron core plate (1), a plurality of groups of magnetic steel slot groups are uniformly formed in the outer side of the iron core plate (1), a plurality of groups of ventilation lightening holes (4) are uniformly formed in the inner side of the iron core plate (1), a central mounting hole (5) is formed in the center of the iron core plate (1), and two mounting grooves (6) are symmetrically formed in the central mounting hole (5);
the magnetic steel groove group comprises magnetic steel grooves (2) which are symmetrically arranged.
2. The permanent magnet motor stator and rotor core punching sheet of claim 1, characterized in that: the ventilation groove (3) is arranged in a triangular shape with a large outer part and a small inner part, and the inner side corners are fillets.
3. The permanent magnet motor stator and rotor core punching sheet of claim 1, characterized in that: the magnetic steel groove (2) is a strip-shaped groove, a front oblique convex card (2-1) is arranged at the front end of the strip-shaped groove, and a rear convex card (2-2) is arranged at the rear end of the strip-shaped groove.
4. The permanent magnet motor stator and rotor core punching sheet of claim 3, characterized in that: the rear end of the rear convex card (2-2) is provided with an oblique vent groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752020.9U CN210431059U (en) | 2019-10-14 | 2019-10-14 | Stator and rotor core punching sheet of permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752020.9U CN210431059U (en) | 2019-10-14 | 2019-10-14 | Stator and rotor core punching sheet of permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210431059U true CN210431059U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921752020.9U Active CN210431059U (en) | 2019-10-14 | 2019-10-14 | Stator and rotor core punching sheet of permanent magnet motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN210431059U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117850A (en) * | 2020-09-24 | 2020-12-22 | 安徽飞翔电器有限公司 | Mine explosion-proof special motor fanning strip |
| CN112234732A (en) * | 2020-09-24 | 2021-01-15 | 安徽飞翔电器有限公司 | Stator and rotor iron core punching sheet of permanent magnet new energy automobile motor |
-
2019
- 2019-10-14 CN CN201921752020.9U patent/CN210431059U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117850A (en) * | 2020-09-24 | 2020-12-22 | 安徽飞翔电器有限公司 | Mine explosion-proof special motor fanning strip |
| CN112234732A (en) * | 2020-09-24 | 2021-01-15 | 安徽飞翔电器有限公司 | Stator and rotor iron core punching sheet of permanent magnet new energy automobile motor |
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