CN201985631U - Stator core and permanent magnet motor - Google Patents
Stator core and permanent magnet motor Download PDFInfo
- Publication number
- CN201985631U CN201985631U CN2011200909730U CN201120090973U CN201985631U CN 201985631 U CN201985631 U CN 201985631U CN 2011200909730 U CN2011200909730 U CN 2011200909730U CN 201120090973 U CN201120090973 U CN 201120090973U CN 201985631 U CN201985631 U CN 201985631U
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- Prior art keywords
- tooth
- stator core
- little
- yoke
- canine
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Abstract
The utility model discloses a stator core and a permanent magnet motor. The stator core comprises a magnet yoke with a sealed annular cross section and six small gears; three big gears and three middle gears are integrally arranged on the magnet yoke; the yoke parts between neighboring gears are all provided with an embedded slot; the tail parts of the six small gears are respectively embedded in the embedded slots; as the magnet yoke of the stator core of a motor is a round sealed structure, the mechanical strength of the motor is improved; as the big gears, the middle gears and the magnet yoke of the stator core are integrally formed, the stator core is convenient to process and produce, and the mechanical strength of the motor is beneficially improved; as the small gears and the magnet yoke of the stator core are separated; after a stator winding is winded on the big gears and the middle gears of the magnet yoke of the stator core, the small gears are arranged; therefore, the winding is convenient to wind.
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 yoke and six little teeth of closed ring, integral type is provided with three canine tooths and three middle teeth on the described yoke, yoke portion between the adjacent teeth is equipped with an embedded groove, and the afterbody of described six little 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; Canine tooth and middle tooth and stator core yoke are integrated, be convenient to processing, help improving the mechanical strength of motor, little tooth separates with the stator core yoke, put little tooth again wind stator winding on the canine tooth of stator core yoke and middle tooth after, 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 little toothing schematic diagram of the utility model embodiment one stator iron core;
Fig. 3 has shown the utility model embodiment one stator core structure schematic diagram;
Fig. 4 has shown the utility model embodiment two stator core magnetic yoke structure schematic diagrames;
Fig. 5 has shown the little toothing schematic diagram of the utility model embodiment two stator cores;
Fig. 6 has shown the utility model embodiment two stator core construction schematic diagrames;
Fig. 7 has shown the utility model embodiment three stator core magnetic yoke structure schematic diagrames;
Fig. 8 has shown the little toothing schematic diagram of the utility model embodiment three stator cores;
Fig. 9 has shown the utility model embodiment three stator core construction schematic diagrames;
Figure 10 has shown the utility model embodiment four stator core magnetic yoke structure schematic diagrames;
Figure 11 has shown the little toothing schematic diagram of the utility model embodiment four stator cores;
Figure 12 has shown the utility model embodiment four stator core construction schematic diagrames;
Figure 13 has shown the utility model embodiment six permanent magnet motor structural representations;
Figure 14 has shown the utility model embodiment seven permanent magnet motor structural representations;
Figure 15 has shown the utility model embodiment eight permanent magnet motor structural representations;
Figure 16 has shown the utility model embodiment nine 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, comprise: cross section is yoke 1 and six little teeth 2 of closed ring, integral type is provided with three canine tooths 3 and three middle teeth 4 on the described yoke, yoke portion between the adjacent teeth is equipped with an embedded groove 5, and the afterbody of described six little teeth 2 is embedded in respectively in the described embedded groove 5.
Described canine tooth 3 and middle tooth 4 are arranged alternately successively on described yoke, and 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.
A kind of stator core first embodiment of the utility model, as Fig. 1 to Fig. 3, described embedded groove 5 is a swallowtail-shaped structure, described embedded groove is the dovetail structure that inside is big, port is little, accordingly, the tail shape of described little 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 6 as Fig. 4, described embedded groove 6 sidewalls are provided with U-lag, and the afterbody of described little tooth is provided with the projection that matches with this U-lag, and the projection of described little tooth afterbody and described U-lag are connected together mutually.
A kind of stator core the 3rd embodiment of the utility model, extremely shown in Figure 9 as Fig. 7, described embedded groove 7 sidewalls are provided with projection, and the afterbody of described little tooth is provided with the U-lag that matches with this projection, and the projection of the U-lag of described little tooth afterbody and described embedded groove example wall is connected together mutually.
A kind of stator core the 4th embodiment of the utility model, extremely shown in Figure 12 as Figure 10, described embedded groove bottom is provided with the inverted T-shaped structure, the afterbody of described little 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 little tooth and described embedded groove bottom is connected together mutually.
A kind of stator core the 5th embodiment of the utility model also comprises bolt, and described embedded groove bottom is provided with tapped through hole, and the afterbody of described little tooth is provided with screwed hole, and described bolt is fixed together described little 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; Canine tooth and middle tooth and stator core yoke are integrated, be convenient to processing, help improving the mechanical strength of motor, little tooth separates with the stator core yoke, put little tooth again wind stator winding on the canine tooth of stator core yoke and middle tooth after, the winding coiling is convenient.
61 kinds of permanent magnet motors of the utility model embodiment, as shown in figure 13, 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 9 on the described rotor core is 8.
Described stator core comprises: cross section is yoke 1 and six little teeth 2 of closed ring, integral type is provided with three canine tooths 3 and three middle teeth 4 on the described yoke, yoke portion between the adjacent teeth is equipped with an embedded groove 5, and the afterbody of described six little teeth 2 is embedded in respectively in the described embedded groove 5.
Described embedded groove 5 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 little 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 14, described embedded groove sidewall is provided with U-lag, and the afterbody of described little tooth is provided with the projection that matches with this U-lag, and the projection of described little tooth afterbody and described U-lag are connected together mutually.
A kind of permanent magnet motor embodiment eight of the utility model, as shown in figure 15, described embedded groove sidewall is provided with projection, and the afterbody of described little tooth is provided with the U-lag that matches with this projection, and the projection of the U-lag of described little tooth afterbody and described embedded groove sidewall is connected together mutually.
A kind of permanent magnet motor embodiment nine of the utility model, as shown in figure 16, described embedded groove bottom is provided with the inverted T-shaped structure, and the afterbody of described little 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 little tooth and described embedded groove bottom is connected together mutually.
A kind of permanent magnet motor embodiment ten of the utility model also comprises bolt, and described embedded groove bottom is provided with tapped through hole, and the afterbody of described little tooth is provided with screwed hole, and described bolt is fixed together described little 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; Canine tooth and middle tooth and stator core yoke are integrated, be convenient to processing, help improving the mechanical strength of motor, little tooth separates with the stator core yoke, put little tooth again wind stator winding on the canine tooth of stator core yoke and middle tooth after, the winding coiling is convenient.
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 yoke and six little teeth of closed ring, integral type is provided with three canine tooths and three middle teeth on the described yoke, yoke portion between the adjacent teeth is equipped with an embedded groove, and the afterbody of described six little teeth is embedded in respectively in the described embedded groove.
2. stator core according to claim 1, it is characterized in that: described canine tooth and middle tooth are arranged alternately successively on described yoke, and 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 little 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 little 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 little 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 is characterized in that: also comprise bolt, described embedded groove bottom is provided with tapped through hole, and the afterbody of described little tooth is provided with screwed hole, and described bolt is fixed together described little tooth and described yoke.
8. permanent magnet motor, it is characterized in that: comprise and many rotor cores to permanent magnet, power 1 are housed to power 7 any described 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 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 |
|---|---|---|---|
| CN2011200909730U CN201985631U (en) | 2011-03-27 | 2011-03-27 | Stator core and permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200909730U CN201985631U (en) | 2011-03-27 | 2011-03-27 | Stator core and permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201985631U true CN201985631U (en) | 2011-09-21 |
Family
ID=44613082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200909730U Expired - Lifetime CN201985631U (en) | 2011-03-27 | 2011-03-27 | Stator core and permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201985631U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079083A (en) * | 2013-03-29 | 2014-10-01 | 陈正虎 | Internal-rotation type stator |
| CN104079082A (en) * | 2013-03-29 | 2014-10-01 | 陈正虎 | Externally rotating type stator |
| CN108736596A (en) * | 2018-08-24 | 2018-11-02 | 珠海格力电器股份有限公司 | Stator core and motor |
-
2011
- 2011-03-27 CN CN2011200909730U patent/CN201985631U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079083A (en) * | 2013-03-29 | 2014-10-01 | 陈正虎 | Internal-rotation type stator |
| CN104079082A (en) * | 2013-03-29 | 2014-10-01 | 陈正虎 | Externally rotating type stator |
| CN108736596A (en) * | 2018-08-24 | 2018-11-02 | 珠海格力电器股份有限公司 | Stator core and motor |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |