CN206272387U - A kind of high-performance brshless DC motor - Google Patents
A kind of high-performance brshless DC motor Download PDFInfo
- Publication number
- CN206272387U CN206272387U CN201621262443.9U CN201621262443U CN206272387U CN 206272387 U CN206272387 U CN 206272387U CN 201621262443 U CN201621262443 U CN 201621262443U CN 206272387 U CN206272387 U CN 206272387U
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- China
- Prior art keywords
- motor
- end cover
- back end
- controller
- rotor
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- 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.)
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- Motor Or Generator Frames (AREA)
Abstract
The utility model is related to a kind of high-performance brshless DC motor,Including motor housing (1),Motor front end cover (2),Back end cover for motor (3),It is arranged on stator (4) and rotor (5) in the motor housing (1),Machine shaft (6) and controller (7),Motor front end cover (2) and back end cover for motor (3) are sticked in the two ends of motor housing (1) respectively,Motor front end cover (2),Back end cover for motor (3) is respectively equipped with the first sealing rubber ring (13) with the joint of motor housing (1),Second sealing rubber ring (14),Stator (4) is with multiple and series arrangement,Rotor (5) is surrounded on the stator (4) of multiple series arrangements outward,It is socketed on jointly on machine shaft (6),There is the discoid of hole (71) centered on controller (7),It is socketed near back end cover for motor (3) and by the hole (71) and machine shaft (6),Sheet metal (8) is provided between controller (7) and the rotor component of nearly back end cover for motor (3),The end face of the nearly back end cover for motor (3) of controller (7) electrically connects cooling piece (9).The utility model improves overall permanence, operating efficiency and the cleannes of motor.
Description
Technical field
The utility model is related to technical field of motors, more particularly to a kind of high-performance brshless DC motor.
Background technology
Direct current generator includes brushed DC motor and brshless DC motor, and the brushless axle transmission of brshless DC motor point is electric
Machine and brushless outer driving motor.For brushless axle driving motor, rotor is located at stator inner wall, realizes that internal rotor is driven.But
Due to the presence of counter electromotive force, the torsional moment of rotor is often had a greatly reduced quality, so that operating efficiency is not high.
Meanwhile, controller can neither operationally receive electricity as the important component of driver in brshless DC motor
Magnetic disturbance, can not overheat again, once be subject to electromagnetic interference, then can cause motor cannot normal work, if overheat, then can cause
Associated components in controller are burned.
And, motor is generally operational in the more severe place of environment, a large amount of dust, iron filings etc. is had when in use small
Particle enters motor internal, and dust, iron filings enter motor stator, can have a strong impact on the insulation effect of stator coil winding enamel-covered wire
Really, fall on rotor magnet, can also influence the magnetic of magnet.
During the utility model is realized, the inventors discovered that prior art overcomes above-mentioned frequently with the following manner
Problem：1st, torsional moment is improved by way of increasing coil and winding density；2nd, place the controller into outside motor, remove it from
Electromagnetic interference and excessively it is heated；3rd, the drive end bearing bracket and rear end cap of motor are arranged to smooth plane and stop that dust etc. is tiny with this
The entrance of particle.
It is anti-electronic due to the increase of coil although magnetic flux density can be increased by the way of coil winding density is increased
Gesture is also increased as, so that the effective torque that rotor is finally subject to does not increase, causes final effect unobvious；By controller with
Motor is separated, though energy solve problem, must configure special control box to install and protect, is caused using inconvenience, and cost increases
Plus；Though motor front end cover and rear end cap are arranged into smooth plane can stop that fine particle enters from the front/rear end of motor,
But end face can still have that the little particles such as dust enter with the joint of electric machine casing, and such setting is unfavorable for motor
Performance of ventilation and heat dispersion.
Therefore, it is necessary to seek a kind of more efficient way to solve the above problems.
Utility model content
Main purpose of the present utility model is to provide a kind of brshless DC motor, increases stator number by correspondence to carry
Torsional moment high, controller is arranged into center the discoid of hole, is sheathed in rotating shaft, and is set between stator and controller
Sheet metal solves the electromagnetic interference problem of controller, and cooling is realized using cooling piece and small fan, with this improves brushless straight
Flow the operating efficiency of motor；The entrance of dust granules etc. is prevented by setting sealing rubber ring and screen pack, motor internal is improved
Cleannes.
To achieve the above objectives, the technical solution adopted in the utility model is：A kind of high-performance brshless DC motor, including
Motor housing, motor front end cover, back end cover for motor, the stator being arranged in the motor housing and rotor, machine shaft and control
Device processed, it is characterised in that：The motor front end cover and back end cover for motor are sticked in the two ends of the motor housing, the electricity respectively
Machine drive end bearing bracket, back end cover for motor are respectively equipped with the first sealing rubber ring, the second caulking gum with the joint of the motor housing
Circle, the stator has multiple and series arrangement, and the rotor is surrounded on outside multiple stators, and cooperation is socketed on the electricity
In machine rotating shaft, there is the discoid of hole centered on the controller, near the back end cover for motor and by the hole and the electricity
Machine rotating shaft is socketed, and sheet metal, the control are provided between the rotor component of the controller and the nearly back end cover for motor
The end face electrical connection cooling piece of the nearly back end cover for motor of device.
Further, the motor housing is cylindrical tube shape, and its both ends of the surface forms equal-sized circumferencial direction respectively
First groove, the second groove, the motor front end cover, back end cover for motor form flange collar corresponding with respective slot respectively, described
Sealing rubber ring is located in the groove, and width is slightly less than the recess width, so that the groove is tightly engaged into flange collar.
Further, the stator includes annulus and the multiple teeth portion for being formed that stretched out by the annulus outer wall,
The teeth portion is uniformly distributed on the annulus outer wall, and the end of the teeth portion symmetrically launches formation in the lateral direction to be had
Certain radian, and along the stator axial direction extend boots portion, multiple boots portions enclose and the rotor contact
Ring surface.
Further, the number of the stator is two.
Further, the chill surface laminating controller of the cooling piece, radiating surface is near the back end cover for motor, institute
State motor front end cover and motor rear end is covered and is equipped with radiating groove, the machine shaft is equipped with coaxially with rearmost end foremost
The fan of rotation.
Further, between the rotor component of the fan of the motor front end and the nearly motor front end cover, the electricity
One layer of screen pack is respectively provided between the fan of machine rear end and the cooling piece.
Further, the controller is provided with the position sensor for measuring the rotor-position.
Advantageous Effects of the present utility model are as follows：
1st, by increasing stator number so that the torsional moment on public rotor makes a concerted effort to increase, and improves the work of motor
Make efficiency；
2nd, controller is arranged to discoid with machine shaft coaxial rotating, and position sensor is arranged at controller
On, the inconvenience for controller being separated with motor and being brought on the one hand is avoided, on the other hand will in the prior art standing on motor
Position sensor located at rotation controller on, both having met position sensor can obtain the demand of rotor-position, again cause
Installation operation is convenient succinct；
3rd, the sheet metal set between controller is combined with one group of rotor near back end cover for motor can absorb
The magnetic field that electric machine rotor is produced when working, so that interference of the controller from electromagnetism；
4th, for controller sets cooling piece, in controller adstante febre, the chill surface of cooling piece can inhale the heat of controller
Walk, and radiated by radiating surface and back end cover for motor, improve radiating efficiency；At machine shaft two ends, fan is set, can
Rotated with rotating shaft, also increase performance of ventilation and heat dispersion so that the overall performance of motor is greatly improved.
5th, can play and prevent fine particle from entering in motor in end cap and electric machine casing junction setting sealing rubber ring
Effect, screen pack is set between two fans again, can further prevent the entrance of dust granules etc., improves the cleaning of motor internal
Degree.
Brief description of the drawings
Fig. 1 is the motor overall structure diagram according to a preferred embodiment of the present utility model.
Fig. 2 (a) is the structure chart of electric machine casing.
Fig. 2 (b) -2 (c) is the connection diagram of electric machine casing and end cap
Fig. 3 is the stator structure schematic diagram according to a preferred embodiment of the present utility model.
Specific embodiment
Hereinafter describe for disclosing the utility model so that those skilled in the art can realize the utility model.Hereinafter retouch
Preferred embodiment in stating is only used as citing, it may occur to persons skilled in the art that other obvious modifications.
As Figure 1-3, it is according to a kind of a kind of embodiment structure of high-performance brshless DC motor offer of the utility model
Make, it includes motor housing 1, motor front end cover 2, back end cover for motor 3, the stator 4 and rotor that are arranged in the motor housing 1
5th, machine shaft 6 and controller 7, the motor front end cover 2 and back end cover for motor 3 are respectively positioned at the two ends of the motor housing 1.
As shown in Fig. 2 (a) -2 (c), the motor front end cover 2 and back end cover for motor 3 using by the way of engaging with the electricity
Machine shell 1 is connected, and the motor housing 1 is cylindrical tube shape, and its both ends of the surface forms the first groove 11, second of circumferencial direction respectively
Groove 12, first groove 11 is equal with the size width of the second groove 12, and the motor front end cover 2 forms recessed with described first
Corresponding first flange collar 21 of groove 11, the back end cover for motor 3 forms second flange collar 31 corresponding with second groove 12, described
Width is provided with groove 11,12 and is slightly less than the first seal washer 13 of the recess width, the second seal washer 14, to cause institute
Stating motor front end cover 2, back end cover for motor 3 can closely engage with the motor housing 1, increase the sealing of contact, effectively prevent
The particles such as dust enter in motor housing 1.The seal washer can be sealing rubber ring.
It is respectively equipped with the left and right sidewall of the motor front end cover 2 in first catching groove 22, the left and right sidewall of back end cover for motor 3
The second catching groove 32 is respectively equipped with, to cause during operating personnel's dismounting electric machine casing, the catching groove can be placed a digit into facilitate firmly
Carry out dismounting.It is corresponding, the first indent 15, the left and right sides of rear end are respectively equipped with the left and right sidewall of the front end of the motor housing 1
The second indent 16 is respectively equipped with wall, during facilitating operating personnel to dismantle electric machine casing, by the indent to the motor housing
Apply the steady pressure opposite with the catching groove direction of motion, carry out dismounting.
The stator 4 has multiple, and arranged in series, preferably two；The rotor 5 is one, and it is surrounded on multiple
Outside the stator 4 of series arrangement, and cooperation is socketed on the machine shaft 6.There is the circle in hole 71 centered on the controller 7
Plate-like, is socketed by the hole 71 with the machine shaft 6, the rotor group of the controller 7 and the nearly back end cover for motor 3
Sheet metal 8, the end face electrical connection cooling piece 9 of the nearly back end cover for motor 3 of the controller 7, the electricity are provided between part
Radiating groove is equipped with machine drive end bearing bracket 2 and back end cover for motor 3.
Further, the stator 4 includes annulus 41 and the multiple for being formed that stretched out by the outer wall of the annulus 41
Teeth portion 42, the teeth portion 42 is uniformly distributed on the outer wall of the annulus 41, and the end of the teeth portion 42 is right in the lateral direction
Claim launch formed have certain radian, and along the stator axial direction extend boots portion 43, multiple boots portions 43 enclose
Into the ring surface contacted with the rotor 5.
Further, the chill surface laminating controller 7 of the cooling piece 9, radiating surface is near the back end cover for motor
3, the fan 101 for being equipped with coaxial rotating with rearmost end foremost of the machine shaft 6, fan 102.
Between the rotor component of the fan 101 of the motor front end and the nearly motor front end cover 2, the motor rear end
Fan 102 and the cooling piece 9 between be respectively provided with one layer of screen pack 111, screen pack 112.
Further, the controller 7 is provided with the position sensor 72 for measuring the rotor-position.
The embodiment increases stator number, although be not avoided that each stator is produced with the rotor inter-module that rotor is constituted
For counter electromotive force, but same rotor corresponding to multiple stators, effective rotation torque increase of the rotor is so so-called
When multipair rotor component is co-located at same machine shaft, the Finite rotation moment of torsion for producing with joint efforts will increase, namely increase
The torsional moment of rotating shaft is made a concerted effort, so as to improve the operating efficiency of motor；Controller is arranged to and rotating shaft coaxial rotating
It is discoid, and position sensor is arranged on controller, on the one hand avoid and the inconvenience for bringing separated with motor by controller,
On the other hand by the prior art standing on the position sensor on motor on the controller of rotation, position biography had both been met
Sensor can obtain the demand of rotor-position, cause that installation operation is convenient succinct again；Controller near back end cover for motor
The sheet metal set between one group of rotor combination can absorb the magnetic field produced when electric machine rotor works, so that control
Interference of the device from electromagnetism；For controller sets cooling piece, in controller adstante febre, the chill surface of cooling piece can be by controller
Heat is siphoned away, and is radiated by radiating surface and back end cover for motor, improves radiating efficiency；At machine shaft two ends, fan is set,
Can be rotated with rotating shaft, also increase performance of ventilation and heat dispersion so that the overall performance of motor is greatly improved；In end cap
Setting sealing rubber ring with electric machine casing junction can play a part of to prevent fine particle from entering in motor, between two fans
Screen pack is set again, the entrance of dust granules etc. can be further prevented, the cleannes of motor internal are improved.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply principle of the present utility model, the utility model also has respectively on the premise of the utility model spirit and scope are not departed from
Changes and improvements are planted, these changes and improvements are both fallen within the range of claimed the utility model.The utility model requirement
Protection domain defined by appending claims and its equivalent.
Claims (7)
1. a kind of high-performance brshless DC motor, including motor housing (1), motor front end cover (2), back end cover for motor (3), setting
Stator (4) and rotor (5), machine shaft (6) and controller (7) in the motor housing (1), it is characterised in that：It is described
Motor front end cover (2) and back end cover for motor (3) are sticked in the two ends of the motor housing (1), the motor front end cover respectively
(2), back end cover for motor (3) is respectively equipped with the first sealing rubber ring (13), the second sealing with the joint of the motor housing (1)
Rubber ring (14), the stator (4) is surrounded on the described of multiple series arrangements with multiple and series arrangement, the rotor (5)
Stator (4) is socketed on outward, jointly on the machine shaft (6), has the discoid of hole (71) centered on the controller (7), is leaned on
The nearly back end cover for motor (3) is simultaneously by the hole (71) and the machine shaft (6) socket, the controller (7) and nearly institute
Sheet metal (8), the nearly back end cover for motor of the controller (7) are provided between the rotor component for stating back end cover for motor (3)
(3) end face electrically connects cooling piece (9).
2. brshless DC motor according to claim 1, it is characterised in that：The motor housing (1) is cylindrical tube shape, its
Both ends of the surface form first groove (11) of equal-sized circumferencial direction, the second groove (12), the motor front end cover (2) respectively
The first flange collar (21) corresponding with first groove (11), the back end cover for motor (3) is formed to be formed and second groove
(12) corresponding second flange collar (31), first sealing rubber ring (13) is interior positioned at first groove (11), and described second
In second groove (12), the sealing rubber ring width is slightly less than recess width to sealing rubber ring (14), so that institute
Groove is stated to be tightly engaged into flange collar.
3. brshless DC motor according to claim 2, it is characterised in that：The stator (4) including annulus (41) and
Stretched out the multiple teeth portion (42) for being formed by the annulus (41) outer wall, and the teeth portion (42) is uniformly distributed in the ring
On shape portion (41) outer wall, the end of the teeth portion (42) symmetrically launches to be formed have certain radian in the lateral direction, and along described
The boots portion (43) that the axial direction of stator (4) extends, multiple boots portions (43) enclose the ring body contacted with the rotor (5)
Face.
4. brshless DC motor according to claim 3, it is characterised in that：The number of the stator (4) is two.
5. brshless DC motor according to claim 1, it is characterised in that：The chill surface laminating institute of the cooling piece (9)
Controller (7) is stated, radiating surface is equal on the motor front end cover (2) and back end cover for motor (3) near the back end cover for motor (3)
It is provided with radiating groove, the fan (101) that coaxial rotating is provided with foremost of the machine shaft (6), rearmost end is provided with coaxial rotating
Fan (102).
6. brshless DC motor according to claim 5, it is characterised in that：The fan (101) of the motor front end with it is near
The fan (102) of one layer of screen pack (111), the motor rear end is provided between the rotor component of the motor front end cover (2)
One layer of screen pack (112) is provided between the cooling piece (9).
7. brshless DC motor according to claim 6, it is characterised in that：The controller (7) is provided with for measuring
The position sensor (72) of rotor (5) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262443.9U CN206272387U (en) | 2016-11-08 | 2016-11-08 | A kind of high-performance brshless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262443.9U CN206272387U (en) | 2016-11-08 | 2016-11-08 | A kind of high-performance brshless DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206272387U true CN206272387U (en) | 2017-06-20 |
Family
ID=59041248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621262443.9U Expired - Fee Related CN206272387U (en) | 2016-11-08 | 2016-11-08 | A kind of high-performance brshless DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206272387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252929A (en) * | 2018-01-10 | 2018-07-06 | 南京胜捷电机制造有限公司 | A kind of auto pump using driven by Brush-Less DC motor |
| WO2020177415A1 (en) * | 2019-03-01 | 2020-09-10 | 广东美的厨房电器制造有限公司 | Electric motor assembly and oven |
-
2016
- 2016-11-08 CN CN201621262443.9U patent/CN206272387U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252929A (en) * | 2018-01-10 | 2018-07-06 | 南京胜捷电机制造有限公司 | A kind of auto pump using driven by Brush-Less DC motor |
| WO2020177415A1 (en) * | 2019-03-01 | 2020-09-10 | 广东美的厨房电器制造有限公司 | Electric motor assembly and oven |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20181108 |