CN202050299U - Stator core and permanent magnet motor - Google Patents
Stator core and permanent magnet motor Download PDFInfo
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- CN202050299U CN202050299U CN2011201586356U CN201120158635U CN202050299U CN 202050299 U CN202050299 U CN 202050299U CN 2011201586356 U CN2011201586356 U CN 2011201586356U CN 201120158635 U CN201120158635 U CN 201120158635U CN 202050299 U CN202050299 U CN 202050299U
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- tooth
- stator core
- canine
- little
- teeth
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Abstract
The present utility model discloses a stator core and permanent magnet motor. The motor comprises a magnet yoke with an enclosed annular cross section, three large teeth, and three middle teeth, the magnet yoke is provided with six small teeth, each yoke part between adjacent two small teeth is provided with an embedding groove, and the tail parts of the three large teeth and the three middle teeth are respectively embedded into the embedding grooves. The motor stator core magnet yoke is a circular enclosed structure, the mechanical strength of the motor is increased; the small teeth are formed integrally with the stator core magnet yoke, the processing and production are convenient, and the electromagnetic performance of the motor can be increased; and the large teeth, the middle teeth and the stator core magnet yoke are separate, the large teeth and the middle teeth are put back to the stator core magnet yoke after being wound with stator windings, and the coiling of the windings is convenient.
Description
Technical field
The utility model relates to a kind of stator core and permanent magnet motor.
Background technology
Permanent magnet motor can be divided into sinusoidal wave and square wave two big classes according to drive current and counter potential waveform, generally the sine wave permanent magnet motor is called permanent magnet synchronous motor, or is called the sine wave AC servomotor.Another kind of square wave permanent magnetic motor then is called the square wave brushless DC motor.
The stator core of existing permanent magnet motor is repeatedly pressed from riveting by multilayer splicing silicon steel sheet and is formed, each layer splicing silicon steel sheet is made up of the segmental punching splicing of large, medium and small three kinds of shapes, the problem that this structure exists has: every sector iron core all has several riveting buttons, can increase the magnetic circuit magnetic resistance motor electromagnetic performance is reduced; Motor stator core is spliced by the polylith segmental punching, and electromechanics intensity is reduced, and the motor stator core Lamination mould makes complex process more in addition.
The utility model content
Repeatedly press and cause the problem that the motor electromagnetic performance is reduced from riveting by multilayer splicing silicon steel sheet in order to solve in the prior art on the circuit board stator core of permanent magnet motor, a kind of stator core and permanent magnet motor are provided.
The utility model provides a kind of stator core, comprise: cross section is the yoke of closed ring, three canine tooths and three middle teeth, described yoke is provided with six little teeth, yoke portion between adjacent two little teeth is equipped with an embedded groove, and the afterbody of described three canine tooths and three middle teeth is embedded in respectively in the described embedded groove.
The utility model also provides a kind of permanent magnet motor, comprise above-mentioned stator core and three phase windings, described three phase windings are for concentrating winding, on canine tooth and middle tooth, the ordering of described winding and tooth is respectively: on the canine tooth on A phase winding, little tooth, the middle tooth/C phase winding, little tooth, canine tooth on the B phase winding, little tooth, middle tooth/A phase winding, little tooth, canine tooth on the C phase winding, little tooth, middle tooth/the B phase winding; Wherein A represents the A phase winding, and/A represents the concentrated winding of a reversal connection of A phase winding, B ,/B, C ,/C and the like.
The utility model provides a kind of stator core and a kind of permanent magnet motor, and this motor stator core yoke is the round sealed structure, has improved the mechanical strength of motor; Little tooth and stator core yoke are integrated, are convenient to processing, help improving the motor electromagnetic performance; Canine tooth separates with the stator core yoke with middle tooth, puts back to the stator core yoke again wind stator winding on canine tooth and middle tooth after, and the winding coiling is convenient.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.Wherein
Fig. 1 has shown the utility model embodiment one stator iron core magnetic yoke structure schematic diagram;
Fig. 2 has shown the utility model embodiment one stator iron core canine tooth structural representation;
Fig. 3 has shown toothing schematic diagram in the utility model embodiment one stator iron core;
Fig. 4 has shown the utility model embodiment one stator core structure schematic diagram;
Fig. 5 has shown the utility model embodiment two stator core magnetic yoke structure schematic diagrames;
Fig. 6 has shown the utility model embodiment two stator core canine tooth structural representations;
Fig. 7 has shown toothing schematic diagram in the utility model embodiment two stator cores;
Fig. 8 has shown the utility model embodiment two stator core construction schematic diagrames;
Fig. 9 has shown the utility model embodiment three stator core magnetic yoke structure schematic diagrames;
Figure 10 has shown the utility model embodiment three stator core canine tooth structural representations;
Figure 11 has shown toothing schematic diagram in the utility model embodiment three stator cores;
Figure 12 has shown the utility model embodiment three stator core construction schematic diagrames;
Figure 13 has shown the utility model embodiment four stator core magnetic yoke structure schematic diagrames;
Figure 14 has shown the utility model embodiment four stator core canine tooth structural representations;
Figure 15 has shown toothing schematic diagram in the utility model embodiment four stator cores;
Figure 16 has shown the utility model embodiment four stator core construction schematic diagrames;
Figure 17 has shown the utility model embodiment five stator core cross-sectional view;
Figure 18 has shown the utility model embodiment six permanent magnet motor structural representations;
Figure 19 has shown the utility model embodiment seven permanent magnet motor structural representations;
Figure 20 has shown the utility model embodiment eight permanent magnet motor structural representations;
Figure 21 has shown the utility model embodiment nine permanent magnet motor structural representations;
Figure 22 has shown the utility model embodiment ten permanent magnet motor structural representations.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of stator core, as shown in Figures 1 to 4, comprise: cross section is the yoke 1 of closed ring, three canine tooths 4 and three middle teeth 5, described yoke 1 is provided with six little teeth 3, yoke portion between adjacent two little teeth is equipped with an embedded groove 2, and the afterbody of described three canine tooths 4 and three middle teeth 5 is embedded in respectively in the described embedded groove.Described little tooth and described yoke are one-body molded.
The ordering of described tooth is: canine tooth, little tooth, middle tooth, little tooth, canine tooth, little tooth, middle tooth, little tooth, canine tooth, little tooth, middle tooth and little tooth.
A kind of stator core first embodiment of the utility model, described embedded groove 2 is a swallowtail-shaped structure, and described embedded groove is the dovetail structure that inside is big, port is little, and is corresponding, the tail shape of described canine tooth and middle tooth is also made the dovetail structure, just with the mutual interlock of described dovetail groove.
A kind of stator core second embodiment of the utility model, extremely shown in Figure 8 as Fig. 5, described embedded groove 12 sidewalls are provided with U-lag, and the afterbody of described canine tooth and middle tooth is provided with the projection that matches with this U-lag, and the projection and the described U-lag of described canine tooth and middle tooth afterbody are connected together mutually.
A kind of stator core the 3rd embodiment of the utility model, extremely shown in Figure 12 as Fig. 9, described embedded groove 22 sidewalls are provided with projection, the afterbody of described canine tooth and middle tooth is provided with the U-lag that matches with this projection, and the U-lag of described canine tooth and middle tooth afterbody and the projection of described embedded groove sidewall are connected together mutually.
A kind of stator core the 4th embodiment of the utility model, extremely shown in Figure 16 as Figure 13, described embedded groove bottom is provided with the inverted T-shaped structure, the afterbody of described canine tooth and middle tooth is provided with the groove that matches with this inverted T-shaped structure, and the inverted T-shaped structure of the groove of the afterbody of described canine tooth and middle tooth and described embedded groove bottom is connected together mutually.
A kind of stator core the 5th embodiment of the utility model, as shown in figure 17, also comprise bolt 7, described embedded groove bottom is provided with tapped through hole, the afterbody of described canine tooth and middle tooth is provided with screwed hole, and described bolt is fixed together described canine tooth and middle tooth and described yoke.
The utility model provides a kind of stator core, and this motor stator core yoke is the round sealed structure, has improved the mechanical strength of motor; Little tooth and stator core yoke are integrated, are convenient to processing, help improving the motor electromagnetic performance; Canine tooth separates with the stator core yoke with middle tooth, puts back to the stator core yoke again wind stator winding on canine tooth and middle tooth after, and the winding coiling is convenient.
61 kinds of permanent magnet motors of the utility model embodiment, as shown in figure 18, comprise many rotor cores to permanent magnet, stator core and three phase windings are housed, described three phase windings are for concentrating winding, on canine tooth and middle tooth, the ordering of described winding and tooth is respectively: on the canine tooth on A phase winding, little tooth, the middle tooth/C phase winding, little tooth, canine tooth on the B phase winding, little tooth, middle tooth/A phase winding, little tooth, canine tooth on the C phase winding, little tooth, middle tooth/the B phase winding; Wherein A represents the A phase winding, and/A represents the concentrated winding of a reversal connection of A phase winding, B ,/B, C ,/C and the like.
The number of magnetic poles of the permanent magnet 6 on the described rotor core is 8.
Described stator core comprises: cross section is the yoke 1 of closed ring, three canine tooths 4 and three middle teeth 5, described yoke 1 is provided with six little teeth 3, yoke portion between adjacent two little teeth is equipped with an embedded groove 2, and the afterbody of described three canine tooths 4 and three middle teeth 5 is embedded in respectively in the described embedded groove.
Described embedded groove 2 is a swallowtail-shaped structure, and described embedded groove is the dovetail structure that inside is big, port is little, and corresponding, the tail shape of described canine tooth and middle tooth is also made the dovetail structure, just with the mutual interlock of described dovetail groove.
A kind of permanent magnet motor embodiment seven of the utility model, as shown in figure 19, described embedded groove sidewall is provided with U-lag, and the afterbody of described canine tooth and middle tooth is provided with the projection that matches with this U-lag, and the projection and the described U-lag of described canine tooth and middle tooth afterbody are connected together mutually.
A kind of permanent magnet motor embodiment eight of the utility model, as shown in figure 20, described embedded groove sidewall is provided with projection, and the afterbody of described canine tooth and middle tooth is provided with the U-lag that matches with this projection, and the U-lag of described canine tooth and middle tooth afterbody and the projection of described embedded groove sidewall are connected together mutually.
A kind of permanent magnet motor embodiment nine of the utility model, as shown in figure 21, described embedded groove bottom is provided with the inverted T-shaped structure, the afterbody of described canine tooth and middle tooth is provided with the groove that matches with this inverted T-shaped structure, and the inverted T-shaped structure of the groove of the afterbody of described canine tooth and middle tooth and described embedded groove bottom is connected together mutually.
A kind of permanent magnet motor embodiment ten of the utility model as shown in figure 22, also comprises bolt, and described embedded groove bottom is provided with tapped through hole, and the afterbody of described canine tooth and middle tooth is provided with screwed hole, and described bolt is fixed together described canine tooth and middle tooth and described yoke.
The utility model provides a kind of permanent magnet motor, and this motor stator core yoke is the round sealed structure, has improved the mechanical strength of motor; Little tooth and stator core yoke are integrated, are convenient to processing, help improving the motor electromagnetic performance; Canine tooth separates with the stator core yoke with middle tooth, because middle tooth and canine tooth are embedded, puts back to the stator core yoke again wind stator winding on canine tooth and middle tooth after, and the winding coiling makes things convenient for.
What deserves to be mentioned is that among the above embodiment, different architectural feature (for example above-mentioned multiple connected mode) can be used in combination mutually, is not limited to shown in each accompanying drawing.
In the above-described embodiments, only the utility model has been carried out exemplary description, but those skilled in the art can carry out various modifications to the utility model after reading present patent application under the situation that does not break away from spirit and scope of the present utility model.
Claims (8)
1. stator core, it is characterized in that: comprising: cross section is the yoke of closed ring, three canine tooths and three middle teeth, integral type is provided with six little teeth on the described yoke, yoke portion between adjacent two little teeth is equipped with an embedded groove, and the afterbody of described three canine tooths and three middle teeth is embedded in respectively in the described embedded groove.
2. stator core according to claim 1 is characterized in that: the ordering of described tooth is successively: canine tooth, little tooth, middle tooth, little tooth, canine tooth, little tooth, middle tooth, little tooth, canine tooth, little tooth, middle tooth and little tooth.
3. stator core according to claim 1 and 2 is characterized in that: described embedded groove is a swallowtail-shaped structure.
4. stator core according to claim 1 and 2 is characterized in that: described embedded groove sidewall is provided with U-lag, and the afterbody of described canine tooth and middle tooth is provided with the projection that matches with this U-lag.
5. stator core according to claim 1 and 2 is characterized in that: described embedded groove sidewall is provided with projection, and the afterbody of described canine tooth and middle tooth is provided with the U-lag that matches with this projection.
6. stator core according to claim 1 and 2 is characterized in that: described embedded groove bottom is provided with the inverted T-shaped structure, and the afterbody of described canine tooth and middle tooth is provided with the inverted T-shaped groove that matches with this inverted T-shaped structure.
7. stator core according to claim 1 and 2, it is characterized in that: also comprise bolt, described embedded groove bottom is provided with tapped through hole, and the afterbody of described canine tooth and middle tooth is provided with screwed hole, and described bolt is fixed together described canine tooth and middle tooth and described yoke.
8. permanent magnet motor, it is characterized in that: comprise and many rotor cores to permanent magnet, claim 1 are housed to any described stator core of claim 7 and three phase windings, described three phase windings are for concentrating winding, on canine tooth and middle tooth, the ordering of described winding and tooth is successively respectively: on the canine tooth on A phase winding, little tooth, the middle tooth/C phase winding, little tooth, canine tooth on the B phase winding, little tooth, middle tooth/A phase winding, little tooth, canine tooth on C phase winding, little tooth and the middle tooth/the B phase winding; Wherein A represents the A phase winding, and/A represents the concentrated winding of a reversal connection of A phase winding, B ,/B, C ,/C and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201586356U CN202050299U (en) | 2011-05-12 | 2011-05-12 | Stator core and permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201586356U CN202050299U (en) | 2011-05-12 | 2011-05-12 | Stator core and permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202050299U true CN202050299U (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201586356U Expired - Lifetime CN202050299U (en) | 2011-05-12 | 2011-05-12 | Stator core and permanent magnet motor |
Country Status (1)
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| CN (1) | CN202050299U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595155A (en) * | 2013-11-29 | 2014-02-19 | 叶羽纺 | Gear shaping stator and assembling technology thereof |
| CN103683561A (en) * | 2012-09-07 | 2014-03-26 | 上海三菱电梯有限公司 | Stator of rotary motor |
| CN104508947A (en) * | 2012-05-04 | 2015-04-08 | 先锋发动机及驱动有限公司 | Pole piece and yoke connection for dc motor |
| CN105656227A (en) * | 2016-02-16 | 2016-06-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator iron core and motor |
| CN106602755A (en) * | 2017-02-28 | 2017-04-26 | 合肥工业大学 | Separable stator motor |
| CN109391077A (en) * | 2018-10-30 | 2019-02-26 | 贵州航天林泉电机有限公司 | A kind of double redundancy limited angle torque motor with locking torque |
-
2011
- 2011-05-12 CN CN2011201586356U patent/CN202050299U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104508947A (en) * | 2012-05-04 | 2015-04-08 | 先锋发动机及驱动有限公司 | Pole piece and yoke connection for dc motor |
| CN103683561A (en) * | 2012-09-07 | 2014-03-26 | 上海三菱电梯有限公司 | Stator of rotary motor |
| CN103595155A (en) * | 2013-11-29 | 2014-02-19 | 叶羽纺 | Gear shaping stator and assembling technology thereof |
| CN105656227A (en) * | 2016-02-16 | 2016-06-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator iron core and motor |
| CN106602755A (en) * | 2017-02-28 | 2017-04-26 | 合肥工业大学 | Separable stator motor |
| CN109391077A (en) * | 2018-10-30 | 2019-02-26 | 贵州航天林泉电机有限公司 | A kind of double redundancy limited angle torque motor with locking torque |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111123 |
|
| CX01 | Expiry of patent term |