CN106300778A - The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one - Google Patents
The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one Download PDFInfo
- Publication number
- CN106300778A CN106300778A CN201610631699.0A CN201610631699A CN106300778A CN 106300778 A CN106300778 A CN 106300778A CN 201610631699 A CN201610631699 A CN 201610631699A CN 106300778 A CN106300778 A CN 106300778A
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- Prior art keywords
- stator
- casing
- air
- magnetic suspension
- motor
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Classifications
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- 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
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses the pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one, including air channel, rotor, radial hole, casing front end air vent, radiating fin, double shrouded wheel thrust disc between axial ducts, stator and casing in fan, thrust disc, drive end bearing bracket, rear end cap, fore bearing, rear bearing, casing, stator, stator.Fan is arranged in rear end cap, and casing front end has described casing front end air vent, and there is radiating fin in casing stage casing, has radial hole between radiating fin, and between stator with casing, align with radial hole in air channel, separately has axial ducts in stator in stator；Or save described fan, described thrust disc is changed into described double shrouded wheel thrust disc.The present invention can simplify the pure air-cooled heat dissipation structure of motor, alleviates weight and the mechanical loss of motor, and cooling effect is notable, can effectively reduce the operating temperature of motor, it is ensured that motor stabilizing runs efficiently.
Description
Technical field
The present invention relates to magnetic suspension motor, particularly the pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one.
Background technology
When motor runs, electrical loss and mechanical loss can produce heat, thus cause motor each several part temperature rise.Too high
Temperature rise is likely to result in motor winding, the decline of stalloy magnetic conductance, permanent magnet loss of excitation etc., the motor radiating stable fortune to motor
Row plays vital effect.
Application No. CN201520988965.6, filing date 2015.12.03, entitled a kind of without radial passage ventilation
The square chest motor of cooling structure discloses the square chest motor of a kind of ventilation cooling structure without radial passage, at motor stator core
Be provided with axial wind path passage on outer surface, can with in directly cooled machine by stator core yoke portion loss produce heat,
Be provided with axial wind path passage in the middle of motor stator core and rotor core, can with in 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 produced by the loss of rotor core yoke portion in cooling motor.But this patent is bad to stator interior radiating effect, the coldest
But effect is uneven.
Summary of the invention
In order to solve the problems referred to above, the pure air-cooled heat dissipation structure of magnetic suspension motor of the impeller one that the present invention proposes.
The technical solution adopted in the present invention is:
The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one, has casing and stator, and described casing comprises radial hole
And radiation fin structure, described radial hole position is corresponding with position of stator；Described stator has stator core, and stator core has
Air gap between air channel, stator shaft orientation air vent and stator and rotor between stator and casing, ventilates for stator shaft orientation；Described stator with
Between casing, air channel is positioned at stator core cylindrical position, and between described stator and rotor, air gap is positioned at stator core inner circle position, described
Stator shaft orientation air vent is between stator and casing between air channel and stator and rotor between air gap.
Further, described front end air vent is positioned at the front end of casing, and front end air vent is radial direction through hole, for radially leading to
Wind, makes cold wind flow into stator.
Further, described radiating fin is corresponding with position of stator, and radiating fin is annular or strip, radiating fin
Axial arranged along motor, described radial hole, between the fin of radiating fin, plays forced air cooling effect, is used for making cold wind flow into
Stator.
Further, between described stator and casing, the structure in air channel is channel structure, is used for cooling down stator surface.
Further, the aligned in position in air channel between the position of described radial hole and described stator and casing, it is ensured that air channel is smooth
Logical.
Further, in described stator, the structure of axial ducts is axially extending bore structure, and in stator, axial ducts arrange three
Dihedral teeth groove, or rectangle teeth groove, or trapezoidal teeth groove, or triangle and the trapezoidal teeth groove being combined into, promote cooling effect, for cold
But stator interior.
Further, described stator core has winding, and between described stator and rotor, air gap is by winding and stator core
Gap between the notch in circle portion is constituted, and is used for cooling down stator interior.
Further, also including axial magnetic suspension bearing and radial magnetic bearing, described axial magnetic suspension bearing is by two
Individual ring electromagnet forms, and is positioned at casing one end, and described radial magnetic bearing is positioned at casing two ends.
Further, also including thrust disc, described thrust disc uses permeability magnetic material to make, and is positioned at axial magnetic suspension bearing
In the middle of two ring electromagnets, for offsetting the axial force that rotor motion produces.
Further, also including double shrouded wheel thrust disc, described double shrouded wheel thrust disc uses permeability magnetic material to make, and is positioned at
In the middle of two ring electromagnets of axial magnetic suspension bearing, for offsetting the axial force that rotor motion produces.
The present invention compared with the existing technology has the following advantages and effect:
1, the present invention can make cooling air from axially and evenly radially flowing through stator, improves the radiating efficiency of motor,
Reduce motor temperature rise, it is ensured that motor can long-time steady operation.Simplify motor radiating structure simultaneously, alleviate motor weight
With mechanical loss.
2, the present invention is by arranging magnetic suspension bearing and magnetic impeller, uses the interaction force between impeller and bearing, protects
Card rotor, when high speed rotating, can be offset the axial force of rotor, make rotor motion steady.
3, the present invention is by arranging air gap between air channel between stator and casing, stator shaft orientation air vent and stator and rotor, many
Stator and rotor are cooled down by air channel, improve radiating efficiency, and cooling effect gets a promotion.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the structural representation of the embodiment of the present invention two.
Fig. 3 be the present invention stator in the structural representation of axial ducts.
Label declaration:
1 fan；2 rear end caps；3 rear bearings；4 rotors；5 casing；6 radiating fins；7 radial holes；
8 stators；Axial ducts in 9 stators；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.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Embodiment 1: as it is shown in figure 1, the present embodiment is the pure air-cooled heat dissipation structure of magnetic suspension motor of a kind of impeller one, bag
Include: axial wind in fan 1, thrust disc 15, drive end bearing bracket 14, rear end cap 2, fore bearing 13, rear bearing 3, casing 5, stator 8, stator
Air channel 10, rotor 4, radial hole 7, casing front end air vent 12, radiating fin 6 between road 9, stator and casing.
Rotor 4 is supported by radial magnetic bearing and axial magnetic suspension bearing, and fore bearing 13 and rear bearing 3 respectively comprise one
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 forms.Centrifugal fan is arranged in rear end cap 2, and casing 5 front end has casing front end air vent 12, and casing 5 stage casing has 6
Annular and along the axial arranged radiating fin 6 of motor, separately has 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, in separately having 2 stators in stator 8
Axial ducts 9, in stator, axial ducts 9 are triangle teeth groove, and teeth groove can greatly increase the heat exchange of axial ducts 9 in stator
Area, and the turbulence intensity that can strengthen in stator in axial ducts 9 is to improve heat convection efficiency.Thrust disc 15 is solid
Conductive magneto-conductive material, it is positioned at rear bearing one end, is positioned in the middle of two ring electromagnets of axial magnetic suspension bearing, and is set with
On described rotor 4, when rotor 4 is by outside axial force, by two ring electromagnets in control axial magnetic suspension bearing
Suction to thrust disc 15, it is provided that reverse axial force, stops moving axially of rotor 4, thus protects motor.
In cooling procedure, the centrifugal fan operating in rear end cap 2, form negative pressure at motor rear end, cooling air is from electricity
Between machine drive end bearing bracket 14, casing front end air vent 12 and casing 5 stage casing radiating fin 6, 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 obtains 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 is divided into three transportation work style roads to flow through stator 8 through fore bearing 13, and three transportation work style roads are respectively between stator and rotor in air gap 17, stator
Air channel 10 between axial ducts 9, stator and casing, between stator and rotor, air gap 17 increases and flows through between stator 8 and rotor 4 surface
Air quantity, strengthens the cooling to rotor 4 surface, and the air entered from 6 radial holes 7 of casing 5 stage casing radiating fin enters stator
And air channel 10 between casing, to strengthen the cooling to stator 8.The heat that motor produces in running is by the above-mentioned air flowing through stator 8
Take away.
Embodiment 2: as in figure 2 it is shown, the present embodiment is the pure air-cooled heat dissipation structure of magnetic suspension motor of a kind of impeller one, bag
Include: in drive end bearing bracket 14, rear end cap 2, fore bearing 13, rear bearing 3, casing 5, stator 8, stator between axial ducts 9, 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 and rear bearing 3 respectively comprise one
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 forms.Casing 5 front end has casing front end air vent 12, and there are 6 strips in casing 5 stage casing and along axial arranged the dissipating of motor
Hot fin 6, separately has 7 radial holes 7 between radiating fin 6, between stator with casing, align with radial hole 7 in air channel 10.The notch of stator 8
Leave space, constitute air gap 17 between stator and rotor, in stator 8, separately have axial ducts 9 in 2 stators, axial ducts 9 in stator
For rectangle teeth groove, teeth groove can greatly increase the heat exchange area of axial ducts 9 in stator, and can strengthen in stator axially
Turbulence intensity in air channel 9 is to improve heat convection efficiency.Double shrouded wheel thrust disc 16 is solid conductive magneto-conductive material, it is positioned at
Rear bearing one end, is positioned in the middle of two ring electromagnets of axial magnetic suspension bearing, and is sleeved on described rotor 4, when turning
When son 4 is by outside axial force, by two ring electromagnets in controlling axial magnetic suspension bearing to double shrouded wheel thrust disc 16
Suction, it is provided that reverse axial force, stop the moving axially of rotor 4, thus protect motor.
In cooling procedure, double shrouded wheel thrust disc 16 operates, and forms negative pressure at motor rear end, and cooling air is from motor front end
Between lid 14, casing front end air vent 12 and casing 5 stage casing radiating fin 6, radial hole 7 enters 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 the coldest
But, the overall heat exchange area of motor is further increased.The air entered with casing front end air vent 12 from motor front end cover 14
Being divided into three transportation work style roads to flow through stator 8 through fore bearing 13, three transportation work style roads are respectively between stator and rotor axial in air gap 17, stator
Air channel 10 between air channel 9, stator and casing, between stator and rotor, air gap 17 increases the wind flow through between stator 8 and rotor 4 surface
Amount, strengthens cooling to rotor 4 surface, and the air entered from 6 radial holes 7 of casing 5 stage casing radiating fin enter stator with
Air channel 10 between casing, to strengthen the cooling to stator 8.The heat that motor produces in running is by the above-mentioned air band flowing through stator 8
Walk.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. the pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one, it is characterised in that there is casing and stator, described casing bag
Containing radial hole and radiation fin structure, described radial hole position is corresponding with position of stator；Described stator has stator core, stator
Iron core has air gap between air channel between stator and casing, stator shaft orientation air vent and stator and rotor, ventilates for stator shaft orientation；Institute
Stating air channel between stator and casing and be positioned at stator core cylindrical position, between described stator and rotor, air gap is positioned at stator core inner circular part
Position, described stator shaft orientation air vent is between stator and casing between air channel and stator and rotor between air gap.
The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller the most according to claim 1 one, it is characterised in that before described
End air vent is positioned at the front end of casing, and front end air vent is radial direction through hole.
The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller the most according to claim 1 one, it is characterised in that described scattered
Hot fin is corresponding with position of stator, and radiating fin is annular or strip, and radiating fin is axial arranged along motor, described radial direction
Hole is between the fin of radiating fin.
The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller the most according to claim 3 one, it is characterised in that described fixed
Between son and casing, the structure in air channel is channel structure.
The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller the most according to claim 4 one, it is characterised in that described footpath
To the aligned in position in air channel between the position and described stator and casing in hole.
The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller the most according to claim 1 one, it is characterised in that described fixed
In son, the structure of axial ducts is axially extending bore structure, and in stator, axial ducts arrange triangle teeth groove, or rectangle teeth groove, or ladder
Shape teeth groove, or triangle and the trapezoidal teeth groove being combined into.
The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller the most according to claim 1 one, it is characterised in that described fixed
Sub-iron core has winding, and between described stator and rotor, air gap is made up of the gap between the notch of winding and stator core inner circular part.
The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller the most according to claim 1 one, it is characterised in that also include
Axial magnetic suspension bearing and radial magnetic bearing, described axial magnetic suspension bearing is made up of two ring electromagnets, is positioned at machine
Shell one end, described radial magnetic bearing is positioned at casing two ends.
The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller the most according to claim 8 one, it is characterised in that also include
Thrust disc, described thrust disc uses permeability magnetic material to make, is positioned in the middle of two ring electromagnets of axial magnetic suspension bearing.
The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller the most according to claim 8 one, it is characterised in that also wrap
Including double shrouded wheel thrust disc, described double shrouded wheel thrust disc uses permeability magnetic material to make, and is positioned at two of axial magnetic suspension bearing
In the middle of ring electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631699.0A CN106300778A (en) | 2016-08-02 | 2016-08-02 | The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631699.0A CN106300778A (en) | 2016-08-02 | 2016-08-02 | The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one |
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| Publication Number | Publication Date |
|---|---|
| CN106300778A true CN106300778A (en) | 2017-01-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610631699.0A Pending CN106300778A (en) | 2016-08-02 | 2016-08-02 | The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086713A (en) * | 2017-05-12 | 2017-08-22 | 广东联塑机器制造有限公司 | A kind of air-cooled rotor motor of high efficiency and heat radiation |
| CN107147265A (en) * | 2017-07-03 | 2017-09-08 | 郑州云海信息技术有限公司 | A kind of server radiator fan |
| CN107742935A (en) * | 2017-10-17 | 2018-02-27 | 天津飞旋高速电机科技有限公司 | Magnetic suspension high speed motor with novel air-cooled structure |
| CN107834773A (en) * | 2017-11-21 | 2018-03-23 | 安徽同华新能源动力股份有限公司 | The radiator structure of motor stator winding |
| CN108155737A (en) * | 2018-02-07 | 2018-06-12 | 河南宝天机电科技有限公司 | A kind of motor of Low gullet torque |
| CN109773353A (en) * | 2019-03-15 | 2019-05-21 | 安徽同兴科技发展有限责任公司 | The high-accuracy laser cutting machine of big stroke based on Permanent Magnet Linear Servo Motor System |
| CN110098688A (en) * | 2018-01-31 | 2019-08-06 | 西门子公司 | Motor body and motor |
| CN110571971A (en) * | 2019-11-06 | 2019-12-13 | 山东天瑞重工有限公司 | magnetic suspension motor with negative pressure air cooling device |
| CN111486110A (en) * | 2019-01-29 | 2020-08-04 | 青岛海尔智能技术研发有限公司 | Centrifugal compressor and heat pump system |
| CN111697716A (en) * | 2020-06-12 | 2020-09-22 | 西安中车永电捷力风能有限公司 | Stator punching sheet, stator core thereof and double-fed wind driven generator |
| CN113217426A (en) * | 2021-05-10 | 2021-08-06 | 鑫磊压缩机股份有限公司 | Impeller is from inhaling refrigerated magnetic suspension fan |
| CN113922539A (en) * | 2021-10-08 | 2022-01-11 | 珠海格力电器股份有限公司 | Motor rotor and motor |
| CN114665684A (en) * | 2022-05-24 | 2022-06-24 | 佛山登奇机电技术有限公司 | Direct-drive permanent magnet motor |
| CN117543856A (en) * | 2023-11-27 | 2024-02-09 | 西比里电机技术(苏州)有限公司 | Electromagnetic pump with multilayer heat dissipation channels |
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| CN206023440U (en) * | 2016-08-02 | 2017-03-15 | 天津飞旋科技研发有限公司 | A kind of pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086713B (en) * | 2017-05-12 | 2024-03-26 | 广东联塑机器制造有限公司 | High-efficient radiating forced air cooling stator and rotor motor |
| CN107086713A (en) * | 2017-05-12 | 2017-08-22 | 广东联塑机器制造有限公司 | A kind of air-cooled rotor motor of high efficiency and heat radiation |
| CN107147265A (en) * | 2017-07-03 | 2017-09-08 | 郑州云海信息技术有限公司 | A kind of server radiator fan |
| CN107742935A (en) * | 2017-10-17 | 2018-02-27 | 天津飞旋高速电机科技有限公司 | Magnetic suspension high speed motor with novel air-cooled structure |
| CN107834773A (en) * | 2017-11-21 | 2018-03-23 | 安徽同华新能源动力股份有限公司 | The radiator structure of motor stator winding |
| CN110098688B (en) * | 2018-01-31 | 2021-08-06 | 西门子公司 | Motor body and motor |
| CN110098688A (en) * | 2018-01-31 | 2019-08-06 | 西门子公司 | Motor body and motor |
| CN108155737A (en) * | 2018-02-07 | 2018-06-12 | 河南宝天机电科技有限公司 | A kind of motor of Low gullet torque |
| CN111486110A (en) * | 2019-01-29 | 2020-08-04 | 青岛海尔智能技术研发有限公司 | Centrifugal compressor and heat pump system |
| CN109773353A (en) * | 2019-03-15 | 2019-05-21 | 安徽同兴科技发展有限责任公司 | The high-accuracy laser cutting machine of big stroke based on Permanent Magnet Linear Servo Motor System |
| CN110571971B (en) * | 2019-11-06 | 2020-03-03 | 山东天瑞重工有限公司 | Magnetic suspension motor with negative pressure air cooling device |
| CN110571971A (en) * | 2019-11-06 | 2019-12-13 | 山东天瑞重工有限公司 | magnetic suspension motor with negative pressure air cooling device |
| CN111697716A (en) * | 2020-06-12 | 2020-09-22 | 西安中车永电捷力风能有限公司 | Stator punching sheet, stator core thereof and double-fed wind driven generator |
| CN113217426A (en) * | 2021-05-10 | 2021-08-06 | 鑫磊压缩机股份有限公司 | Impeller is from inhaling refrigerated magnetic suspension fan |
| CN113922539A (en) * | 2021-10-08 | 2022-01-11 | 珠海格力电器股份有限公司 | Motor rotor and motor |
| CN114665684A (en) * | 2022-05-24 | 2022-06-24 | 佛山登奇机电技术有限公司 | Direct-drive permanent magnet motor |
| CN114665684B (en) * | 2022-05-24 | 2022-08-12 | 佛山登奇机电技术有限公司 | Direct-drive permanent magnet motor |
| CN117543856A (en) * | 2023-11-27 | 2024-02-09 | 西比里电机技术(苏州)有限公司 | Electromagnetic pump with multilayer heat dissipation channels |
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