CN206250941U - A kind of DC brushless motor - Google Patents
A kind of DC brushless motor Download PDFInfo
- Publication number
- CN206250941U CN206250941U CN201621388752.0U CN201621388752U CN206250941U CN 206250941 U CN206250941 U CN 206250941U CN 201621388752 U CN201621388752 U CN 201621388752U CN 206250941 U CN206250941 U CN 206250941U
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- stator
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- brushless motor
- permanent magnet
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- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
A kind of DC brushless motor, described motor body（2）By stator（21）, rotor（22）With stator case（23）Composition, described stator（21）By multi-disc stator tooth（211）Composition；It is characterized in that：Described stator tooth（211）By punching（3）, upper dististyle（4）With lower end-piece（5）Composition, punching（3）Top is provided with dististyle（4）, bottom is provided with lower end-piece（5）, and in stator tooth（211）Outer ring is wound with coiling（6）；Described rotor（22）By axle（221）, tight loop（222）, rotor jaw（223）And permanent magnet（224）Composition, axle（221）One end pass through tight loop（222）It is fixedly connected with rotor jaw（223）, rotor jaw（223）On be fixed with permanent magnet（224）.The utility model, not only remains the premium properties of direct current generator, has the advantages that long lifespan, noise are small, stable.
Description
Technical field
The utility model is related to technical field of motors, and in particular to be applied to direct current on radiation fan on vehicle and air-conditioning without
Brush motor.
Background technology
Current radiation fan on vehicle and motor used by air conditioning for automobiles are generally brush direct current motor, and brush motor is using machinery
Commutation, spark when not only contacting unreliable, fault rate high, short life but also commutation can be interfered to neighbouring electromechanical equipment.
The content of the invention
For disadvantage mentioned above, the utility model purpose is that to provide a kind of electromagnetic noise small, operational efficiency direct current high without
Brush motor.
The technical solution of the utility model is achieved in the following ways：A kind of DC brushless motor, by controller with
Motor body is constituted；Described motor body is made up of stator, rotor and stator case, is connected on the controller by stator case；
The center of described stator case is provided with rotor, and stator is fixed on stator case inner edge around rotor；Described stator is determined by multi-disc
Sub- tooth composition；It is characterized in that：Described stator tooth is made up of punching, upper dististyle and lower end-piece, and punching top is provided with dististyle,
Bottom is provided with lower end-piece, and is wound with coiling in stator tooth outer ring；Described rotor is by axle, tight loop, rotor jaw and permanent magnet
Composition, one end of axle is fixedly connected with rotor jaw, permanent magnet is fixed with rotor jaw by tight loop.
Described motor body is inner rotor core.
Described stator is made up of nine stator tooths, and nine stator tooths are along the circumferential direction uniformly arranged in inside stator case,
Fixed by interference fit, and adjacent three stator tooths are a phase, are divided into three-phase.
The coiling wound on described stator tooth, the coil of same phase is connected, the distributed winding of composition.
Triangle junction mode or Y shape bind mode are used between described three-phase coil.
Described permanent magnet has six kinds of polarity, the structure with stator constitutes the groove of three-phase hexapole nine, greatly reduces electricity
Magnetic noise.
Described stator tooth is silicon steel sheet.
Described permanent magnet is neodymium iron boron, and magnet structure is that three layers of permanent magnet are assembled.
Described stator case passes through screw or bolt connection with controller, to ensure the phase of motor body and location of controls
To stabilization.
The utility model, not only remains the premium properties of direct current generator, and using after electronic commutation, its structure is similar to
Synchronous motor, not only overcomes the shortcoming of mechanical commutation, and has the advantages that long lifespan, noise are small, stable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the longitudinally cutting figure of motor body.
Fig. 3 is motor body cut-away view.
Fig. 4 is the structural representation of stator tooth.
Fig. 5 is the A-A cut away views of Fig. 4.
Fig. 6 is the structural representation of rotor.
In figure：1 controller, 2 motor bodies, 3 punchings, dististyle, 5 lower end-pieces, 6 coilings on 4.
Specific embodiment
Known by Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of DC brushless motor, by 2 groups of controller 1 and motor body
Into；Described motor body 2 is made up of stator 21, rotor 22 and stator case 23, is connected on controller 1 by stator case 23；
The center of described stator case 23 is provided with rotor 22, and stator 21 is fixed on the inner edge of stator case 23 around rotor 22；Described determines
Son 21 is made up of multi-disc stator tooth 211；Described stator tooth 211 is made up of punching 3, upper dististyle 4 and lower end-piece 5, the top of punching 3
Dististyle 4 is provided with, bottom is provided with lower end-piece 5, and is wound with coiling 6 in the outer ring of stator tooth 211；Described rotor 22 by axle 221,
Tight loop 222, rotor jaw 223 and permanent magnet 224 are constituted, and one end of axle 221 is fixedly connected with rotor jaw by tight loop 222
223, permanent magnet 224 is fixed with rotor jaw 223.Described motor body 2 is inner rotor core.
Described stator 21 is made up of nine stator tooths 211, and nine stator tooths 211 are along the circumferential direction uniformly arranged in stator
Inside shell 23, fixed by interference fit, and adjacent three stator tooths 211 are a phase, are divided into three-phase；Described stator tooth
The coiling 6 wound on 211, the coil of same phase is connected, the distributed winding of composition；Joined using triangle between the three-phase coil
Knot mode or Y shape bind mode.Described permanent magnet 224 has six kinds of polarity, with the knot that stator 21 constitutes the groove of three-phase hexapole nine
Structure, greatly reduces electromagnetic noise.Described punching 3 is silicon steel sheet；Described permanent magnet 224 is neodymium iron boron, and permanent magnet
224 structures are that three layers of permanent magnet are assembled.Described stator case 23 passes through screw or bolt connection with controller 1, to ensure
Motor body 2 is relative with the position of controller 1 stable.The utility model, not only remains the premium properties of direct current generator, and
After electronic commutation, its structure is similar to synchronous motor, not only overcomes the shortcoming of mechanical commutation, and with long lifespan, make an uproar
Sound is small, it is stable the advantages of.
Claims (9)
1. a kind of DC brushless motor, by controller（1）With motor body（2）Composition；Described motor body（2）By stator
（21）, rotor（22）With stator case（23）Composition, by stator case（23）It is connected to controller（1）On；Described stator case
（23）Center be provided with rotor（22）, stator（21）Around rotor（22）It is fixed on stator case（23）Inner edge；Described stator
（21）By multi-disc stator tooth（211）Composition；It is characterized in that：Described stator tooth（211）By punching（3）, upper dististyle（4）With under
Dististyle（5）Composition, punching（3）Top is provided with dististyle（4）, bottom is provided with lower end-piece（5）, and in stator tooth（211）Outer ring twines
It is wound with coiling（6）；Described rotor（22）By axle（221）, tight loop（222）, rotor jaw（223）And permanent magnet（224）Composition,
Axle（221）One end pass through tight loop（222）It is fixedly connected with rotor jaw（223）, rotor jaw（223）On be fixed with permanent magnet
（224）.
2. a kind of DC brushless motor according to claim 1, it is characterised in that：Described motor body（2）It is interior turn
Minor structure.
3. a kind of DC brushless motor according to claim 1, it is characterised in that：Described stator（21）By nine stators
Tooth（211）Composition, nine stator tooths（211）Along the circumferential direction uniformly it is arranged in stator case（23）Inside, it is solid by interference fit
It is fixed, and adjacent three stator tooths（211）It is a phase, is divided into three-phase.
4. a kind of DC brushless motor according to claim 3, it is characterised in that：Described stator tooth（211）Upper winding
Coiling（6）, the coil of same phase is connected, the distributed winding of composition.
5. a kind of DC brushless motor according to claim 4, it is characterised in that：Triangle is used between the three-phase coil
Shape bind mode or Y shape bind mode.
6. a kind of DC brushless motor according to claim 1, it is characterised in that：Described permanent magnet（224）Have six
Polarity is planted, with stator（21）The structure of the groove of three-phase hexapole nine is constituted, electromagnetic noise is greatly reduced.
7. a kind of DC brushless motor according to claim 3, it is characterised in that：Described punching（3）It is silicon steel sheet.
8. a kind of DC brushless motor according to claim 6, it is characterised in that：The permanent magnet（224）It is neodymium iron boron,
And permanent magnet（224）Structure is that three layers of permanent magnet are assembled.
9. a kind of DC brushless motor according to claim 1, it is characterised in that：The stator case（23）With controller
（1）By screw or bolt connection, to ensure motor body（2）With controller（1）Position relatively stablize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621388752.0U CN206250941U (en) | 2016-12-18 | 2016-12-18 | A kind of DC brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621388752.0U CN206250941U (en) | 2016-12-18 | 2016-12-18 | A kind of DC brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206250941U true CN206250941U (en) | 2017-06-13 |
Family
ID=59008264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621388752.0U Active CN206250941U (en) | 2016-12-18 | 2016-12-18 | A kind of DC brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206250941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451986A (en) * | 2016-12-18 | 2017-02-22 | 江苏超力电器有限公司 | Direct current brushless motor |
-
2016
- 2016-12-18 CN CN201621388752.0U patent/CN206250941U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451986A (en) * | 2016-12-18 | 2017-02-22 | 江苏超力电器有限公司 | Direct current brushless motor |
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