CN206023440U - A kind of pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one - Google Patents
A kind of pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one Download PDFInfo
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- CN206023440U CN206023440U CN201620837380.9U CN201620837380U CN206023440U CN 206023440 U CN206023440 U CN 206023440U CN 201620837380 U CN201620837380 U CN 201620837380U CN 206023440 U CN206023440 U CN 206023440U
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Abstract
The utility model discloses a kind of pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one, with casing and stator, the casing includes radial hole and radiation fin structure, and the radial direction hole site is corresponding with position of stator；There is the stator stator core, stator core there is air gap between air channel between stator and casing, stator shaft orientation air vent and stator and rotor, divulge information for stator shaft orientation；Between the stator and casing, air channel is located at the cylindrical position of stator core, and between the stator and rotor, air gap is located at stator core inner circle position, and the stator shaft orientation air vent is located between stator and casing between air channel and stator and rotor between air gap.This utility model can simplify the pure air-cooled heat dissipation structure of motor, mitigate weight and the mechanical loss of motor, and cooling effect significantly, can effectively reduce the temperature in motor operation, it is ensured that motor stabilizing efficiently runs.
Description
Technical field
This utility model is related to magnetic suspension motor, the pure wind-cooling heat dissipating knot of the particularly a kind of magnetic suspension motor of impeller one
Structure.
Background technology
During motor operation, electrical loss can produce heat with mechanical loss, thus cause motor each several part temperature rise.Too high
Temperature rise be likely to result in machine winding burn, the decline of stalloy magnetic conductance, permanent magnet loss of excitation etc., stable fortune of the motor radiating to motor
Row plays vital effect.
Application No. CN201520988965.6, the applying date are 2015.12.03, entitled a kind of without radial passage ventilation
The square chest motor of cooling structure discloses a kind of square chest motor without radial passage ventilation cooling structure, in motor stator core
Be provided with axial wind path passage on outer surface, can with directly cooled machine by stator core yoke portion be lost produce heat,
Motor stator core and rotor core middle setting have axial wind path passage, can with directly cooled machine by stator core and turn
The heat that sub- core center part produces, is provided with axial wind path passage on the inner surface of motor rotor core, can be direct
The heat for producing is lost in cooling motor by rotor core yoke portion.But the patent is bad to stator interior radiating effect, while cold
But effect is uneven.
Utility model content
In order to solve the above problems, the utility model proposes a kind of impeller one magnetic suspension motor pure wind-cooling heat dissipating knot
Structure.
The technical scheme adopted by this utility model is：
A kind of pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one, with casing and stator, the casing includes footpath
To hole and radiation fin structure, the radial direction hole site is corresponding with position of stator；The stator has stator core, stator core
There is air gap between air channel, stator shaft orientation air vent and stator and rotor between stator and casing, divulge information for stator shaft orientation；Described fixed
Between son and casing, air channel is located at the cylindrical position of stator core, and between the stator and rotor, air gap is located at stator core inner circle position,
The stator shaft orientation air vent is located between stator and casing between air channel and stator and rotor between air gap.
Further, casing also includes that front end air vent, the front end air vent are located at the front end of casing, front end air vent
For radial direction through hole, for radial ventilation, cold wind is made to flow into stator.
Further, the radiating fin is corresponding with position of stator, and radiating fin is annular or strip, radiating fin
Axial arranged along motor, the radial hole is located between the fin of radiating fin, plays forced air cooling effect, for flowing into cold wind
Stator.
Further, between the stator and casing, the structure in air channel is channel structure, for cooling down stator surface.
Further, between the position of the radial hole and the stator and casing air channel aligned in position, it is ensured that air channel is smooth
Logical.
Further, the structure of the stator shaft orientation air vent be axially extending bore structure, stator shaft orientation air vent arrange three
Angular teeth groove, or rectangle teeth groove, or trapezoidal teeth groove, or triangle and the trapezoidal teeth groove being combined into, lift cooling effect, for cold
But stator interior.
Further, the stator core has winding, and between the stator and rotor, air gap is by winding and stator core
Gap between the notch in circle portion is constituted, for cooling down stator interior.
Further, axial magnetic suspension bearing and radial magnetic bearing are also included, the axial magnetic suspension bearing is by two
Individual ring electromagnet composition, positioned at casing one end, the radial magnetic bearing is located at casing two ends.
Further, also include thrust disc, the thrust disc is made using permeability magnetic material, positioned at axial magnetic suspension bearing
In the middle of two ring electromagnets, for offsetting the axial force of rotor motion generation.
Further, also include that double shrouded wheel thrust disc, the double shrouded wheel thrust disc are made using permeability magnetic material, be located at
In the middle of two ring electromagnets of axial magnetic suspension bearing, for offsetting the axial force of rotor motion generation.
This utility model compared with the existing technology has advantages below and effect：
1st, this utility model can be such that cooling air imitates from axial direction with stator, the radiating of raising motor is evenly radially flow through
Rate, reduces motor temperature rise, it is ensured that motor being capable of long-time steady operation.Simplify motor radiating structure simultaneously, alleviate motor
Weight and mechanical loss.
2nd, this utility model passes through to arrange magnetic suspension bearing and magnetic impeller, with the interaction between impeller and bearing
Power, it is ensured that rotor can be offset the axial force of rotor, make rotor motion steady when high speed is rotated.
3rd, this utility model is by arranging between stator and casing gas between air channel, stator shaft orientation air vent and stator and rotor
Gap, multiple duct are cooled down to stator and rotor, improve radiating efficiency, and cooling effect gets a promotion.
Description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used for explaining this utility model, does not constitute to improper restriction of the present utility model.
Structural representations of the Fig. 1 for this utility model embodiment one.
Structural representations of the Fig. 2 for this utility model embodiment two.
Fig. 3 is the structural representation of stator shaft orientation air vent of the present utility model.
Label declaration：
1 fan；2 rear end caps；Bearing after 3；4 rotors；5 casing；6 radiating fins；
7 radial holes；8 stators；9 stator shaft orientation air vents；Air channel between 10 stators and casing；
11 windings；12 casing front end air vents；13 fore bearings；14 drive end bearing brackets；15 thrust discs；
16 double shrouded wheel thrust discs；Air gap between 17 stators and rotor.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only in order to explaining this
Utility model, is not used to limit this utility model.
Embodiment 1：As shown in figure 1, the present embodiment is a kind of pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one, bag
Include：Fan 1, thrust disc 15, drive end bearing bracket 14, rear end cap 2, fore bearing 13, rear bearing 3, casing 5, the ventilation of stator 8, stator shaft orientation
Hole 9, air channel 10, rotor 4, radial hole 7, casing front end air vent 12, radiating fin 6 between stator and casing.
Rotor 4 is supported by radial magnetic bearing and axial magnetic suspension bearing, and fore bearing 13 respectively includes one with rear bearing 3
Individual radial magnetic bearing, separately has an axial magnetic suspension bearing in rear bearing, and axial magnetic suspension bearing is by two annular electromagnetism
Ferrum is constituted.In rear end cap 2,5 front end of casing is provided with casing front end air vent 12 to centrifugal fan, and 5 stage casing of casing has 6
Annular and along the axial arranged radiating fin 6 of motor, separately have 7 radial holes 7, air channel 10 between stator and casing between radiating fin 6
Align with radial hole 7.The notch of stator 8 leaves space, constitutes air gap 17 between stator and rotor, separately has 2 stator axis in stator 8
To air vent 9, stator shaft orientation air vent 9 is triangle teeth groove, and teeth groove can greatly increase the heat exchange of stator shaft orientation air vent 9
Area, and the turbulence intensity in stator shaft orientation air vent 9 can be strengthened to improve heat convection efficiency.Thrust disc 15 is solid
Conductive magneto-conductive material, positioned at rear bearing one end, in the middle of two ring electromagnets of axial magnetic suspension bearing, and is sleeved on
On the rotor 4, when rotor 4 is subject to outside axial force, by controlling two ring electromagnets pair in axial magnetic suspension bearing
The suction of thrust disc 15, there is provided reverse axial force, prevents the axial movement of rotor 4, so as to protect motor.
In cooling procedure, the centrifugal fan in rear end cap 2 operates, and forms negative pressure in motor rear end, and cooling air is from electricity
Between machine drive end bearing bracket 14,5 stage casing radiating fin 6 of casing front end air vent 12 and casing, radial hole 7 enters motor internal, not only acts as
The effect of forcing functions, and cooling air can be made to flow evenly through air channel 10 between stator and casing so that stator 8 is obtained uniformly
Cooling, further increase the overall heat exchange area of motor.Enter from motor front end cover 14 and casing front end air vent 12
Air flows through stator 8 for three transportation work style roads for 13 points through fore bearing, and three transportation work style roads are respectively air gap 17, stator axis between stator and rotor
To air vent 9, air channel 10 between stator and casing, between stator and rotor, air gap 17 is increased and is flow through between 4 surface of stator 8 and rotor
Air quantity, strengthens the cooling to 4 surface of rotor, and the air entered from 5 stage casing radiating fin of casing, 6 radial holes 7 enters stator
Air channel 10 between casing, to strengthen the cooling to stator 8.The heat produced in motor operation is by the above-mentioned air for flowing through stator 8
Take away.
Embodiment 2：As shown in Fig. 2 the present embodiment is a kind of pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one, bag
Include：Drive end bearing bracket 14, rear end cap 2, fore bearing 13, rear bearing 3, casing 5, stator 8, stator shaft orientation air vent 9, between stator and casing
Air channel 10, rotor 4, radial hole 7, casing front end air vent 12, radiating fin 6, double shrouded wheel thrust disc 16.
Rotor 4 is supported by radial magnetic bearing and axial magnetic suspension bearing, and fore bearing 13 respectively includes one with rear bearing 3
Individual radial magnetic bearing, separately has an axial magnetic suspension bearing in rear bearing, and axial magnetic suspension bearing is by two annular electromagnetism
Ferrum is constituted.5 front end of casing is provided with casing front end air vent 12, and there are 6 strips in 5 stage casing of casing and dissipate along motor is axial arranged
Hot fin 6, separately has 7 radial holes 7 between radiating fin 6, between stator and casing, air channel 10 is alignd with radial hole 7.The notch of stator 8
Space is left, air gap 17 between stator and rotor is constituted, in stator 8, is separately had 2 stator shaft orientation air vents 9, stator shaft orientation air vent 9
For rectangle teeth groove, teeth groove can greatly increase the heat exchange area of stator shaft orientation air vent 9, and it is logical to strengthen stator shaft orientation
Turbulence intensity in air holes 9 is improving heat convection efficiency.Double shrouded wheel thrust disc 16 is solid conductive magneto-conductive material, it is located at
Bearing one end, in the middle of two ring electromagnets of axial magnetic suspension bearing, and is sleeved on the rotor 4 afterwards, when turn
When son 4 is subject to outside axial force, by two ring electromagnets in control axial magnetic suspension bearing to double shrouded wheel thrust disc 16
Suction, there is provided reverse axial force, prevent rotor 4 axial movement, so as to protect motor.
In cooling procedure, double shrouded wheel thrust disc 16 operates, and forms negative pressure in motor rear end, and cooling air is from motor front end
Between lid 14,5 stage casing radiating fin 6 of casing front end air vent 12 and casing radial hole 7 enter motor internal, not only act as force cold
But effect, and cooling air can be made to flow evenly through air channel 10 between stator and casing so that stator 8 obtains uniformly cold
But, the overall heat exchange area of motor is further increased.From the air that motor front end cover 14 is entered with casing front end air vent 12
Through fore bearing, 13 points flow through stator 8 for three transportation work style roads, and three transportation work style roads are respectively air gap 17, stator shaft orientation between stator and rotor and lead to
Air holes 9, air channel 10 between stator and casing, between stator and rotor, air gap 17 increases the wind flow through between 4 surface of stator 8 and rotor
Amount, strengthens cooling to 4 surface of rotor, and the air entered from 5 stage casing radiating fin of casing, 6 radial holes 7 enter stator with
Air channel 10 between casing, to strengthen the cooling to stator 8.The heat produced in motor operation is by the above-mentioned air band for flowing through stator 8
Walk.
Preferred embodiment of the present utility model is the foregoing is only, not in order to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements that is made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. the pure air-cooled heat dissipation structure of a kind of magnetic suspension motor of impeller one, it is characterised in that with casing and stator, the machine
Shell includes radial hole and radiation fin structure, and the radial direction hole site is corresponding with position of stator；The stator has stator core,
Stator core has air gap between air channel between stator and casing, stator shaft orientation air vent and stator and rotor, logical for stator shaft orientation
Wind；Between the stator and casing, air channel is located at the cylindrical position of stator core, and between the stator and rotor, air gap is located at stator core
Inner circle position, the stator shaft orientation air vent are located between stator and casing between air channel and stator and rotor between air gap.
2. the pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one according to claim 1, it is characterised in that casing is also
Including front end air vent, the front end air vent is located at the front end of casing, and front end air vent is radial direction through hole.
3. the pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one according to claim 1, it is characterised in that described dissipate
Hot fin is corresponding with position of stator, and radiating fin is annular or strip, and radiating fin is axial arranged along motor, the radial direction
Hole position is between the fin of radiating fin.
4. the pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one according to claim 3, it is characterised in that described fixed
Between son and casing, the structure in air channel is channel structure.
5. the pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one according to claim 4, it is characterised in that the footpath
Aligned in position to air channel between the position in hole and the stator and casing.
6. the pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one according to claim 1, it is characterised in that described fixed
The structure of sub- axial ventilation hole is axially extending bore structure, and stator shaft orientation air vent arranges triangle teeth groove, or rectangle teeth groove, or ladder
Shape teeth groove, or triangle and the trapezoidal teeth groove being combined into.
7. the pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one according to claim 1, it is characterised in that described fixed
Sub- iron core has winding, and between the stator and rotor, air gap is made up of the gap between the notch of winding and stator core inner circular part.
8. the pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one according to claim 1, it is characterised in that also include
Axial magnetic suspension bearing and radial magnetic bearing, the axial magnetic suspension bearing are made up of two ring electromagnets, positioned at machine
Shell one end, the radial magnetic bearing are located at casing two ends.
9. the pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one according to claim 8, it is characterised in that also include
Thrust disc, the thrust disc are made using permeability magnetic material, in the middle of two ring electromagnets of axial magnetic suspension bearing.
10. the pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one according to claim 8, it is characterised in that also wrap
Double shrouded wheel thrust disc is included, the double shrouded wheel thrust disc is made using permeability magnetic material, positioned at two of axial magnetic suspension bearing
In the middle of ring electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620837380.9U CN206023440U (en) | 2016-08-02 | 2016-08-02 | A kind of pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620837380.9U CN206023440U (en) | 2016-08-02 | 2016-08-02 | A kind of pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023440U true CN206023440U (en) | 2017-03-15 |
Family
ID=58245856
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620837380.9U Active CN206023440U (en) | 2016-08-02 | 2016-08-02 | A kind of pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one |
Country Status (1)
| Country | Link |
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| CN (1) | CN206023440U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300778A (en) * | 2016-08-02 | 2017-01-04 | 天津飞旋科技研发有限公司 | The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one |
| CN107420428A (en) * | 2017-06-06 | 2017-12-01 | 珠海瑞能真空电子有限公司 | A kind of liquid metal bearings and its processing technology for medical diagnosis X radial pipe |
| CN108258849A (en) * | 2018-01-31 | 2018-07-06 | 华中科技大学 | A kind of totally-enclosed high-speed permanent magnet motor of Liquid injection cooling |
| CN109428410A (en) * | 2017-08-30 | 2019-03-05 | 张峰 | Built-in heat dissipation channel motor |
| CN112383191A (en) * | 2020-11-20 | 2021-02-19 | 安徽大学 | Self-fan cold axial flux motor with external centrifugal fan |
| CN112491198A (en) * | 2020-11-20 | 2021-03-12 | 安徽大学 | Self-fan-cooling axial flux motor of hybrid integrated centrifugal fan and axial flow fan |
| CN112803634A (en) * | 2021-01-04 | 2021-05-14 | 擎能动力科技(苏州)有限公司 | Ultrahigh-speed motor, electric air compressor and new energy automobile |
| CN113623245A (en) * | 2021-08-02 | 2021-11-09 | 鑫磊压缩机股份有限公司 | Magnetic suspension axial flow fan with impeller as thrust disc |
-
2016
- 2016-08-02 CN CN201620837380.9U patent/CN206023440U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300778A (en) * | 2016-08-02 | 2017-01-04 | 天津飞旋科技研发有限公司 | The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one |
| CN107420428A (en) * | 2017-06-06 | 2017-12-01 | 珠海瑞能真空电子有限公司 | A kind of liquid metal bearings and its processing technology for medical diagnosis X radial pipe |
| CN109428410A (en) * | 2017-08-30 | 2019-03-05 | 张峰 | Built-in heat dissipation channel motor |
| CN108258849A (en) * | 2018-01-31 | 2018-07-06 | 华中科技大学 | A kind of totally-enclosed high-speed permanent magnet motor of Liquid injection cooling |
| CN112383191A (en) * | 2020-11-20 | 2021-02-19 | 安徽大学 | Self-fan cold axial flux motor with external centrifugal fan |
| CN112491198A (en) * | 2020-11-20 | 2021-03-12 | 安徽大学 | Self-fan-cooling axial flux motor of hybrid integrated centrifugal fan and axial flow fan |
| CN112491198B (en) * | 2020-11-20 | 2022-04-05 | 安徽大学 | Self-fan-cooling axial flux motor of hybrid integrated centrifugal fan and axial flow fan |
| CN112383191B (en) * | 2020-11-20 | 2022-08-12 | 安徽大学 | Self-fan cold axial flux motor with external centrifugal fan |
| CN112803634A (en) * | 2021-01-04 | 2021-05-14 | 擎能动力科技(苏州)有限公司 | Ultrahigh-speed motor, electric air compressor and new energy automobile |
| CN113623245A (en) * | 2021-08-02 | 2021-11-09 | 鑫磊压缩机股份有限公司 | Magnetic suspension axial flow fan with impeller as thrust disc |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 300457 Block D, No. 90, Twelfth Avenue, Tianjin Development Zone, Binhai New Area, Tianjin Patentee after: Tianjin Feixuan science and Technology Co Ltd Address before: No. 34 Muning Road, Binhai New District, Tianjin City, 300457 Patentee before: Tianjin Flying Science Development Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Block D, No.90, 12th Street, Binhai New Area Development Zone, Tianjin Patentee after: Tianjin Feixuan Technology Co.,Ltd. Address before: 300457 Block D, No. 90, Twelfth Avenue, Tianjin Development Zone, Binhai New Area, Tianjin Patentee before: TIANJIN EMAGING TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |