CN110011509A - A kind of DC brushless motor - Google Patents
A kind of DC brushless motor Download PDFInfo
- Publication number
- CN110011509A CN110011509A CN201910383581.4A CN201910383581A CN110011509A CN 110011509 A CN110011509 A CN 110011509A CN 201910383581 A CN201910383581 A CN 201910383581A CN 110011509 A CN110011509 A CN 110011509A
- Authority
- CN
- China
- Prior art keywords
- brushless motor
- coil holder
- motor according
- lamination
- stator
- 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
Classifications
-
- 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
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- 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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- 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
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of DC brushless motors, it include rotor assembly, the rotor assembly includes shaft and several laminations, and the lamination is axially mounted in shaft, one end of the lamination axial direction includes the embedded hole that multiple groups are axially distributed, and is inlaid with magnet steel in the embedded hole.DC brushless motor of the invention, assembly technology is convenient, and avoids the problem of causing field weakening due to the setting of stainless steel steel ring, to improve the power of DC brushless motor.
Description
Technical field
The invention belongs to a kind of motor fields, and in particular to a kind of DC brushless motor.
Background technique
Brshless DC motor is because have the characteristic of brush direct current motor, while being also the device of frequency variation, so again
Name DC frequency-changing, international noun are BLDC.Running efficiency, low speed torque, rotary speed precision of brshless DC motor etc. all compare
The frequency converter of any control technology will also be got well, so being worth industry concern.
Rotor in traditional DC brushless motor is generally provided with magnet steel, described to be installed to lamination by glue
On periphery, then by stainless steel steel ring, and configures fixed jig and fix stainless steel steel ring, therefore technique is very numb
It is tired.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved by the present invention is to propose a kind of DC brushless motor of simple process.
(2) technical solution
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of DC brushless motor includes to turn
Sub-component, the rotor assembly include shaft and several laminations, and the lamination is axially mounted in shaft, the iron
One end of chip axial direction includes the embedded hole that multiple groups are axially distributed, and is inlaid with magnet steel in the embedded hole.
In above-mentioned DC brushless motor, the axial sides of the lamination are equipped with an end plate, and the end plate is axial
It is socketed in shaft, and is connected with lamination and magnet steel.
In above-mentioned DC brushless motor, the side of the end plate axial direction includes the uniformly distributed groove of multiple annulars, described
Groove is for injecting glue.
In above-mentioned DC brushless motor, the side of the end plate axial direction includes the annulus of an axial direction, the annulus
Groove is divided into two.
In above-mentioned DC brushless motor, the shape of the groove is sector.
In above-mentioned DC brushless motor, every group of embedded hole include there are two along the radially-arranged arcuate socket of shaft, it is described
Magnet steel is embedded in arcuate socket.
It further include having stator module in above-mentioned DC brushless motor, the stator module includes preceding coil holder, rear line
Frame, stator core and enameled wire；The rotor assembly is arranged in the axis hole of stator core；One end of the stator core axial direction
It is provided with the uniformly distributed stator slot of multiple annulars, forms the first dowel, the preceding coil holder and rear line between two neighboring stator slot
The grafting block that frame is provided with multiple annular spreads and is plugged in stator slot, each grafting block is provided with the second string holes, described
Preceding coil holder and rear coil holder are separately positioned on the axial sides of stator core, and the enameled wire passes through two neighboring second string holes should
The first dowel winding between two the second string holes.
It further include having cover assembly in above-mentioned DC brushless motor, the cover assembly includes drive end bearing bracket, rear end cap
And screw；The drive end bearing bracket and rear end cap are separately positioned on the axial sides of stator core, and are pressed respectively against preceding coil holder and rear line
On frame, the screw passes through rear end cap and is threadedly coupled with drive end bearing bracket.
(3) beneficial effect
DC brushless motor of the invention has the advantage that firstly, magnet steel can be directly embedded into progress in arcuate socket
It is fixed, so assembly technology is very convenient, fixed additionally, due to this technique without stainless steel sleeve, and stainless steel sleeve is non-magnetic
Material, so the magnetism of magnet steel of the present invention is unaffected, therefore improve the power of DC brushless motor；End of the invention
Plate is provided with the uniformly distributed groove of annular, by adding the adjustable centrifugal force of clay in groove, therefore reduces the shaking force of motor.
Detailed description of the invention
Fig. 1 is the perspective view of DC brushless motor of the invention；
Fig. 2 is the perspective view of the rotor assembly in DC brushless motor of the invention；
Fig. 3 is the explosive view of the rotor assembly in DC brushless motor of the invention；
Fig. 4 is the top view of end plate；
Fig. 5 is the perspective view of the stator module in DC brushless motor of the invention；
Fig. 6 is the explosive view of the stator module and cover assembly in DC brushless motor of the invention；
1 it is rotor assembly in figure, 2 be shaft, 3 be lamination, 4 be embedded hole, 5 be magnet steel, 6 be end plate, 7 is groove, 8
It is stator module for annulus, 20,30 be cover assembly, 21 be preceding coil holder, 22 be rear coil holder, 23 be stator core, 24 is first
Dowel, 25 be stator slot, 26 be grafting block, 27 be the second string holes, 28 be enameled wire, 31 be drive end bearing bracket, 32 be rear end cap, 33
For screw.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Embodiment one: as shown in figs 1 to 6, a kind of DC brushless motor includes rotor assembly 1, the rotor assembly
It include shaft 2 and several laminations 3, the lamination 3 is axially mounted in shaft 2, the axial one end of the lamination 3
Include 6 groups of axially uniformly distributed embedded holes 4, is inlaid with magnet steel 5 in the embedded hole 4, the magnet steel 5 and 4 interference of embedded hole are tight
Match, thus realize the fixation of magnet steel 5 Yu lamination 3, so the fixed form of traditional structure is compared, it is solid without glue and steel ring
It is fixed, therefore assembly is more convenient, will not weaken additionally, due to the magnetic field of the steel ring for not using stainless steel material, therefore magnet steel 5, therefore
Improve the power of motor.
The axial sides of above-mentioned lamination 3 are equipped with an end plate 6, and the end plate 6 is axial to be socketed in shaft 2, and
It is fixedly linked with lamination 3 and magnet steel 5 by glue, so as to prevent about 5 magnet steel from loosening.The end plate 6 axial one
Side includes the uniformly distributed and fan-shaped groove 7 of multiple annulars, by the groove 7 for adding clay, by adding clay to change shaft 2
The weight of radial direction, so as to adjust the centrifugal force of lamination 3 and magnet steel when rotated.
The side of the end plate axial direction includes the annulus 8 of an axial direction, and groove 7 is divided into two by the annulus.
Every group of embedded hole 4 includes there are two along the radially-arranged arcuate socket of shaft, and the magnet steel 5 is embedded in arcuate socket.
The invention also includes there is stator module, the stator module 20 includes preceding coil holder 21, rear coil holder 22, stator core
23 and enameled wire 28；The rotor assembly 10 is arranged in the axis hole of stator core 23；The axial one end of the stator core 23
It is provided with the uniformly distributed stator slot 24 of multiple annulars, forms the first dowel 25, the preceding coil holder between two neighboring stator slot 24
The 21 grafting blocks 26 for being provided with multiple annular spreads with rear coil holder 22 and being plugged in stator slot 24, each grafting block are provided with
Second string holes 27, the preceding coil holder 21 are separately positioned on the axial sides of stator core 23, the enameled wire 28 with rear coil holder 22
The first dowel 25 two second string holes is wound across two neighboring second string holes 27.
The invention also includes there is cover assembly 30, the cover assembly 30 includes drive end bearing bracket 31, rear end cap 32 and screw
33；The drive end bearing bracket 31 and rear end cap 32 are separately positioned on the axial sides of stator core 23, and are pressed respectively against 31 He of preceding coil holder
Afterwards on coil holder 32, the screw 33 passes through rear end cap 32 and is threadedly coupled with drive end bearing bracket 31, therefore makes preceding coil holder 31 and rear coil holder
32 are fixed to each other.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of DC brushless motor includes rotor assembly (1), which is characterized in that the rotor assembly includes shaft (2)
With several laminations (3), the lamination (3) is axially mounted on shaft (2), one end packet of lamination (3) axial direction
The embedded hole (4) being axially distributed containing multiple groups, the embedded hole (4) is interior to be inlaid with magnet steel (5).
2. DC brushless motor according to claim 1, which is characterized in that the axial sides of the lamination (3) are installed
There is an end plate (6), the end plate (6) is axially socketed on shaft (2), and is connected with lamination (3) and magnet steel (5).
3. DC brushless motor according to claim 2, which is characterized in that the side of end plate (6) axial direction includes
The uniformly distributed groove (7) of multiple annulars, the groove (7) is for adding clay.
4. DC brushless motor according to claim 3, which is characterized in that the side of the end plate axial direction includes one
Groove (7) are divided into two by axial annulus (8), the annulus.
5. DC brushless motor according to claim 4, which is characterized in that the shape of the groove (7) is sector.
6. DC brushless motor according to claim 1, which is characterized in that every group of embedded hole (4) includes that there are two edges to turn
The arcuate socket of axial and radial distribution, the magnet steel (5) are embedded in arcuate socket.
7. DC brushless motor according to claim 1, which is characterized in that it further include having stator module, the stator pack
Part (20) includes preceding coil holder (21), rear coil holder (22), stator core (23) and enameled wire (28)；The rotor assembly (10) sets
It sets in the axis hole of stator core (23)；One end of stator core (23) axial direction is provided with the uniformly distributed stator slot of multiple annulars
(24), it is formed the first dowel (25) between two neighboring stator slot (24), the preceding coil holder (21) is all provided with rear coil holder (22)
The grafting block (26) for being equipped with multiple annular spreads and being plugged in stator slot (24), each grafting block are provided with the second string holes
(27), the preceding coil holder (21) and rear coil holder (22) are separately positioned on the axial sides of stator core (23), the enameled wire
(28) the first dowel (25) two second string holes is wound across two neighboring second string holes (27).
8. DC brushless motor according to claim 7, which is characterized in that further include having cover assembly (30), the lid
Body component (30) includes drive end bearing bracket (31), rear end cap (32) and screw (33)；The drive end bearing bracket (31) and rear end cap (32) point
She Zhi not be in the axial sides of stator core (23), and be pressed respectively against on preceding coil holder (31) and rear coil holder (32), the screw
(33) rear end cap (32) are passed through and are threadedly coupled with drive end bearing bracket (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383581.4A CN110011509A (en) | 2019-05-09 | 2019-05-09 | A kind of DC brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383581.4A CN110011509A (en) | 2019-05-09 | 2019-05-09 | A kind of DC brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110011509A true CN110011509A (en) | 2019-07-12 |
Family
ID=67176329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910383581.4A Pending CN110011509A (en) | 2019-05-09 | 2019-05-09 | A kind of DC brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110011509A (en) |
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| CN102624119A (en) * | 2012-04-17 | 2012-08-01 | 华域汽车电动***有限公司 | Rotor structure for automobile electric power steering (EPS) motor |
| CN202737606U (en) * | 2012-08-03 | 2013-02-13 | 昆山航天林泉电机有限公司 | Built-in rotor magnetic steel salient pole device |
| CN202957682U (en) * | 2012-12-14 | 2013-05-29 | 文登奥文电机有限公司 | Rotor for outer rotor traction machine |
| CN203071678U (en) * | 2012-12-30 | 2013-07-17 | 中山大洋电机股份有限公司 | Embedded shock absorption rotor structure |
| CN103269135A (en) * | 2013-03-25 | 2013-08-28 | 杭州德沃仕电动科技有限公司 | Movable magnetic steel built-in-type permanent magnet motor rotor structure |
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| CN206727853U (en) * | 2017-05-18 | 2017-12-08 | 哈尔滨理工大学 | A kind of high slippage squirrel cage asynchronous motor of modified |
| CN207053271U (en) * | 2017-07-04 | 2018-02-27 | 广东力好科技股份有限公司 | A kind of rotor core component and internal rotor |
| CN207819583U (en) * | 2017-12-29 | 2018-09-04 | 青岛海立美达电机有限公司 | A kind of built-in permanent magnetic variable-frequency motor rotor |
| CN208241436U (en) * | 2018-06-20 | 2018-12-14 | 广东美芝制冷设备有限公司 | Rotor core, magneto and compressor |
| CN208386349U (en) * | 2018-06-22 | 2019-01-15 | 台州市威安机电科技有限公司 | A kind of novel permanent-magnet servo motor |
| CN208623420U (en) * | 2018-09-21 | 2019-03-19 | 佛山市顺德区凯恒电机有限公司 | A kind of high revolving speed brushless electric motor rotor |
| CN209844804U (en) * | 2019-05-09 | 2019-12-24 | 浙江万冠电机有限公司 | Direct current brushless motor |
-
2019
- 2019-05-09 CN CN201910383581.4A patent/CN110011509A/en active Pending
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| CN101656448A (en) * | 2009-08-25 | 2010-02-24 | 上海电器科学研究所（集团）有限公司 | Key manufacturing technology of built-in type permanent magnet synchronous electric motor rotor |
| CN102624119A (en) * | 2012-04-17 | 2012-08-01 | 华域汽车电动***有限公司 | Rotor structure for automobile electric power steering (EPS) motor |
| CN202737606U (en) * | 2012-08-03 | 2013-02-13 | 昆山航天林泉电机有限公司 | Built-in rotor magnetic steel salient pole device |
| CN202957682U (en) * | 2012-12-14 | 2013-05-29 | 文登奥文电机有限公司 | Rotor for outer rotor traction machine |
| CN203071678U (en) * | 2012-12-30 | 2013-07-17 | 中山大洋电机股份有限公司 | Embedded shock absorption rotor structure |
| CN103269135A (en) * | 2013-03-25 | 2013-08-28 | 杭州德沃仕电动科技有限公司 | Movable magnetic steel built-in-type permanent magnet motor rotor structure |
| CN103746530A (en) * | 2014-01-22 | 2014-04-23 | 永济新时速电机电器有限责任公司 | Ship propelling-type permanent-magnetic motor |
| CN104218701A (en) * | 2014-09-18 | 2014-12-17 | 佛山市吉星家电有限公司 | Fan motor stator and manufacturing method |
| CN106655568A (en) * | 2015-11-04 | 2017-05-10 | 河南去吧看看网络科技股份有限公司 | High-performance interior-ferrite permanent magnet (IPM) motor |
| CN205123431U (en) * | 2015-11-05 | 2016-03-30 | 青岛万宝压缩机有限公司 | Stator, segmental type permanent magnet motor and totally closed frequency conversion compressor |
| CN106533111A (en) * | 2016-12-08 | 2017-03-22 | 浙江万冠电机有限公司 | Permanent magnetic DC brushless motor |
| CN206727853U (en) * | 2017-05-18 | 2017-12-08 | 哈尔滨理工大学 | A kind of high slippage squirrel cage asynchronous motor of modified |
| CN207053271U (en) * | 2017-07-04 | 2018-02-27 | 广东力好科技股份有限公司 | A kind of rotor core component and internal rotor |
| CN207819583U (en) * | 2017-12-29 | 2018-09-04 | 青岛海立美达电机有限公司 | A kind of built-in permanent magnetic variable-frequency motor rotor |
| CN208241436U (en) * | 2018-06-20 | 2018-12-14 | 广东美芝制冷设备有限公司 | Rotor core, magneto and compressor |
| CN208386349U (en) * | 2018-06-22 | 2019-01-15 | 台州市威安机电科技有限公司 | A kind of novel permanent-magnet servo motor |
| CN208623420U (en) * | 2018-09-21 | 2019-03-19 | 佛山市顺德区凯恒电机有限公司 | A kind of high revolving speed brushless electric motor rotor |
| CN209844804U (en) * | 2019-05-09 | 2019-12-24 | 浙江万冠电机有限公司 | Direct current brushless motor |
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