CN106451986A - Direct current brushless motor - Google Patents
Direct current brushless motor Download PDFInfo
- Publication number
- CN106451986A CN106451986A CN201611173079.3A CN201611173079A CN106451986A CN 106451986 A CN106451986 A CN 106451986A CN 201611173079 A CN201611173079 A CN 201611173079A CN 106451986 A CN106451986 A CN 106451986A
- Authority
- CN
- China
- Prior art keywords
- stator
- rotor
- brushless motor
- permanent magnet
- motor according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004080 punching Methods 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 7
- 210000000515 tooth Anatomy 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention provides a direct current brushless motor. A motor body (2) is composed of a stator (21), a rotor (22) and a stator bowl (23). The stator (21) is composed of a plurality of stator teeth (211). The motor is characterized in that each stator tooth (211) is composed of a punching sheet (3), an upper end sheet (4) and a lower end sheet (5), the upper end sheet (4) is arranged at the top end of the punching sheet (3), the lower end sheet (5) is arranged at the bottom end of the punching sheet (3), and a winding wire (6) are wound on the outer ring of the stator teeth (211); the rotor (22) is composed of a shaft (221), a tightening ring (222), a rotor jaw (223) and a permanent magnet (224), the shaft (221) is fixedly connected with the rotor jaw (223) through the tightening ring (222), and the rotor jaw (223) is fixedly provided with the permanent magnet (224). According to the direct current brushless motor, excellent performances of a direct current motor are retained, and moreover, the brushless motor has the advantages of being long in service life, small in noise and stable in operation.
Description
Technical field
The present invention relates to technical field of motors, and in particular to the brush DC electricity being applied on radiation fan on vehicle and air-conditioning
Machine.
Background technology
Radiation fan on vehicle and motor used by air conditioning for automobiles mostly are brush direct current motor at present, and brush motor is using machinery
Commutation, not only contacts that unreliable, fault rate is high, short life but also spark when commutating can be interfered to neighbouring electromechanical equipment.
Content of the invention
For disadvantage mentioned above, present invention aim at providing, a kind of electromagnetic noise is little, the high brush DC electricity of operational efficiency
Machine.
The technical scheme is that and be accomplished by：A kind of DC brushless motor, by controller and motor
Body constitutes；Described motor body is made up of stator, rotor and stator case, is connected on the controller by stator case；Described
The center of stator case be provided with rotor, stator is fixed on stator case inner edge around rotor；Described stator is by multi-disc stator 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
Lower end-piece is provided with, and coiling is wound with stator tooth outer ring；Described rotor is made up of axle, tight loop, rotor jaw and permanent magnet,
One end of axle is fixedly connected with rotor jaw by tight loop, is fixed with permanent magnet on rotor jaw.
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, to be divided into three-phase.
The coiling for winding on described stator tooth, the coil of same phase is connected, and constitutes distributed winding.
Using triangle junction mode or Y shape bind mode between described three-phase coil.
Described permanent magnet has six kinds of polarity, constitutes the structure of nine groove of three-phase hexapole with stator, 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 stable.
The present invention, not only remains the premium properties of direct current generator, and using after electronic commutation, its structure is similar synchronous
Motor, not only overcomes the shortcoming of mechanical commutation, and little, stable have the advantages that life-span length, noise.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
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 view 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 controller 1 and 2 groups of motor body
Become；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 23 inner edge of stator case 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 5,3 top of punching
Dististyle 4 is provided with, and bottom is provided with lower end-piece 5, and coiling 6 is wound with 211 outer ring of stator tooth；Described rotor 22 by axle 221,
Tight loop 222, rotor jaw 223 and permanent magnet 224 constitute, 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, to be divided into three-phase；Described stator tooth
The coiling 6 for winding on 211, the coil of same phase is connected, and constitutes distributed winding；Joined using triangle between the three-phase coil
Knot mode or Y shape bind mode.Described permanent magnet 224 has six kinds of polarity, constitutes the knot of nine groove of three-phase hexapole with stator 21
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 stable with 1 position of controller.The present invention, not only remains the premium properties of direct current generator, and adopts
After electronic commutation, its structure is similar to synchronous motor, not only overcomes the shortcoming of mechanical commutation, and with life-span length, noise little,
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）For 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）Stator case is along the circumferential direction uniformly arranged in（23）Inside, solid by interference fit
Fixed, and adjacent three stator tooths（211）For a phase, three-phase is divided into.
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, and constitutes distributed winding.
5. a kind of DC brushless motor according to claim 4, it is characterised in that：Triangle is adopted 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 composition nine groove of three-phase hexapole, greatly reduces electromagnetic noise.
7. a kind of DC brushless motor according to claim 3, it is characterised in that：Described punching（3）For silicon steel sheet.
8. a kind of DC brushless motor according to claim 6, it is characterised in that：The permanent magnet（224）For 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 stable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611173079.3A CN106451986A (en) | 2016-12-18 | 2016-12-18 | Direct current brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611173079.3A CN106451986A (en) | 2016-12-18 | 2016-12-18 | Direct current brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106451986A true CN106451986A (en) | 2017-02-22 |
Family
ID=58217440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611173079.3A Pending CN106451986A (en) | 2016-12-18 | 2016-12-18 | Direct current brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451986A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138444A (en) * | 2011-11-29 | 2013-06-05 | 永济新时速电机电器有限责任公司 | Permanent magnet synchronous motor rotor used for electric automobile |
| CN103973049A (en) * | 2014-04-01 | 2014-08-06 | 郑州宇通客车股份有限公司 | Motor and vehicle with same |
| CN205190265U (en) * | 2015-10-28 | 2016-04-27 | 沈阳兴华航空电器有限责任公司 | Fixed stator structure's of metal card direct current fan |
| CN206250941U (en) * | 2016-12-18 | 2017-06-13 | 江苏超力电器有限公司 | A kind of DC brushless motor |
-
2016
- 2016-12-18 CN CN201611173079.3A patent/CN106451986A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138444A (en) * | 2011-11-29 | 2013-06-05 | 永济新时速电机电器有限责任公司 | Permanent magnet synchronous motor rotor used for electric automobile |
| CN103973049A (en) * | 2014-04-01 | 2014-08-06 | 郑州宇通客车股份有限公司 | Motor and vehicle with same |
| CN205190265U (en) * | 2015-10-28 | 2016-04-27 | 沈阳兴华航空电器有限责任公司 | Fixed stator structure's of metal card direct current fan |
| CN206250941U (en) * | 2016-12-18 | 2017-06-13 | 江苏超力电器有限公司 | A kind of DC brushless motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |
|
| WD01 | Invention patent application deemed withdrawn after publication |