CN106160315A - The pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers - Google Patents
The pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers Download PDFInfo
- Publication number
- CN106160315A CN106160315A CN201610631663.2A CN201610631663A CN106160315A CN 106160315 A CN106160315 A CN 106160315A CN 201610631663 A CN201610631663 A CN 201610631663A CN 106160315 A CN106160315 A CN 106160315A
- Authority
- CN
- China
- Prior art keywords
- stator
- air
- impeller
- magnetic suspension
- heat dissipation
- 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.)
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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)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers, there is front cod, front impeller thrust disc, front journal bearing, casing, stator, rotor, rear journal bearing, rear impeller thrust disc, rear cod, casing has radiating fin, enclosure vent pore structure, and stator has gap structure between air channel between stator and casing, stator shaft orientation air vent, stator's radial air duct and stator and rotor.Blast is formed with the operating of described rear impeller thrust disc by front impeller thrust disc, cooling air enters in stator's radial air duct from enclosure vent hole, a part flows through air gap between stator and rotor, a part flows through stator shaft orientation air vent, remaining flows through air channel between stator and casing, and air-flow converges premenstrual thrust of impeller dish and described rear impeller thrust disc suction discharge motor afterwards.The present invention uses thrust of impeller dish to eliminate corresponding blower fan, simplifies the radiator structure of motor, and combines the preferential of axial ventilation and radial ventilation, improves radiating efficiency.
Description
Technical field
The present invention relates to magnetic suspension motor, particularly the pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers.
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. CN201320541108.2, filing date 2013.09.02, entitled a kind of magnetic suspension permanent magnet synchronizes
The Chinese utility model patent of high-speed electric expreess locomotive discloses a kind of magnetic suspension permanent magnet synchronous high-speed motor, and it is by by motor stator ferrum
Heart segment processing, reserves heat dissipation ventilation road, and the both sides that rotor is positioned at stator core are provided with fan leaf, rely on rotary wind
Flabellum generation is taken out, blowing amount, carries out magnetic suspension permanent magnet synchronous high-speed motor forcing air draft, cooling.But this patent is only passed through
Gap between stator and rotor realizes the axially and radially cooling of stator, poor to the cooling effect of stator interior, causes stator
Inhomogeneous cooling is even.
Summary of the invention
The present invention by arranging enclosure vent hole, air gap between stator and rotor, stator's radial air duct structure, stator and casing
Between air channel, air gap and stator shaft orientation ventilation hole structure between stator and rotor, structure axial ventilation and radial ventilation operate simultaneously
The pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers.
In order to solve the problems referred to above, the pure air-cooled heat dissipation structure of magnetic suspension motor of band two impeller 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 with two impellers, has casing and stator, and described casing arranges radiating fin
Sheet and enclosure vent pore structure, enclosure vent hole site is corresponding with described position of stator；Described stator has stator core, described
Stator core segmentation, section constitutes stator's radial air duct with the gap of section, and for stator radial ventilation, stator core is additionally provided with fixed
Between son and casing, air gap between air channel, stator shaft orientation air vent and stator and rotor, ventilates for stator shaft orientation；Described stator and machine
Between shell, 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 fixed
Sub-axial ventilation hole is between stator and casing between air channel and stator and rotor between air gap.
Preferably, described radiating fin radiating fin is corresponding with position of stator, and radiating fin is annular or is strip,
Radiating fin is axial arranged along motor, increasing heat radiation area, it is achieved forced air cooling function, for aliging with stator air channel.
Preferably, described enclosure vent hole, between radiating fin, ventilates for casing internal, plays forced air cooling and makees
With.
Preferably, described stator core every section is axially arranged side by side, for radially cooling down stator.
Preferably, align with described stator's radial air duct in described enclosure vent hole, unimpeded for air channel, increases air quantity.
Preferably, between described stator and casing, the structure in air channel is channel structure, for axially cooling down stator.
Preferably, the structure of described stator shaft orientation air vent is axially extending bore, and stator shaft orientation air vent is circular port, is formed
Stator shaft orientation air vent, for axially cooling down stator.
Preferably, described stator also has stator winding, and between described stator and rotor, air gap is by described stator core inner circle
The notch in portion is constituted with the gap of described stator winding, for axially cooling stator and rotor.
Preferably, also include front impeller thrust disc, front cod, rear impeller thrust disc and rear cod, described before
Thrust of impeller dish leeward side is adjoining with front cod and is sleeved on rotor, and structure is open impeller or double shrouded wheel,
Described rear impeller thrust disc leeward side is adjoining with rear cod and is sleeved on rotor, and structure is open impeller or enclosed
Impeller, for extracting cold air and discharge hot-air.
Preferably, described front impeller thrust disc is made up of permeability magnetic material, and described rear impeller thrust disc is made up of permeability magnetic material,
The type of described rear cod is magnetic suspension bearing, and the type of described front cod is magnetic suspension bearing, turns owing to offsetting
Sub-axial force.
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 between air channel between stator and casing, stator shaft orientation air vent, stator and rotor air gap and fixed
Sub-radial passage, stator and rotor are cooled down by multiple duct, 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 present invention.
Fig. 2 is the stator shaft orientation ventilation hole structure schematic diagram of the present invention.
Label declaration:
Cod before 1；Impeller thrust disc before 2；Journal bearing before 3；4 casing；5 radiating fins；
6 enclosure vent holes；7 stators；8 rotors；Journal bearing after 9；Impeller thrust disc after 10；
Cod after 11；Air channel between 12 stators and casing；13 stator shaft orientation air vents；
14 stator's radial air ducts；Air gap between 15 stators and rotor；16 stator winding.
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 Fig. 1 is to shown in 2, and the present embodiment is a kind of pure wind-cooling heat dissipating of the magnetic suspension motor with two impellers knot
Structure, including front cod 1, front impeller thrust disc 2, front journal bearing 3, casing 4, radiating fin 5, enclosure vent hole 6, stator
7, rotor 8, rear journal bearing 9, rear impeller thrust disc 10 and rear cod 11.
Stator 7 has air channel 12 between stator and casing, and stator 7 axially divides 5 sections, and every section is axially arranged side by side, and forms stator
Radial passage 14, stator 7 has 2 circular stator axial ventilation holes 13, and it is internal that stator shaft orientation air vent 13 can increase stator 7
The heat exchange area in air channel, strengthens the cooling effect to stator 7.7 casing alignd with stator's radial air duct 14 are had in casing 4
Air vent 6, casing 4 stage casing is provided with 6 radiating fins 5, and radiating fin 5 is annular, axial arranged along motor, and cooling air exists
The effect of forcing functions can be played through the radiating fin 5 of outer ring, casing 4 stage casing, further increases when entering motor internal
The overall heat exchange area of motor.Rotor 8 is supported by 4 magnetic suspension bearings, described bearing be respectively before journal bearing 3, front axle to
Bearing 1, rear cod 11, rear journal bearing 9.Front impeller thrust disc 2 leeward side and front cod 1 are adjoining and be sleeved on and turn
On son 8, rear impeller thrust disc 10 leeward side and rear cod 11 are adjoining and are sleeved on rotor 8, front impeller thrust disc 2 with after
Thrust of impeller dish 10 is made up of permeability magnetic material, and front impeller thrust disc 2 is open impeller with rear impeller thrust disc 10.Axial magnetic
Suspension bearing is made up of ring electromagnet.When rotor 8 is by outside axial force, by controlling axial magnetic suspension bearing annular
The electric magnet suction to thrust of impeller dish, it is provided that reverse axial force, stops moving axially of rotor 8, thus protects motor.Turn
Form air gap 15 between stator and rotor between son 8 and stator 7, strengthen and flow through the air quantity between stator 7 and rotor 8 surface, strengthen turning
The cooling on son 8 surfaces.
In running, front impeller thrust disc 2 and rear impeller thrust disc 10 operating and form blast, cooling air is from casing
Air vent 6 enters in stator's radial air duct 14, and a part flows through air gap 15 between stator and rotor, and a part flows through stator shaft orientation and leads to
Air holes 13, remaining flows through air channel 12 between stator and casing, and air-flow converges premenstrual thrust of impeller dish 2 and rear impeller thrust disc 10 afterwards
Motor is discharged in suction, completes whole radiation processes.
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 with two impellers, it is characterised in that having casing and stator, described casing sets
Putting radiating fin and enclosure vent pore structure, enclosure vent hole site is corresponding with described position of stator；Described stator has stator
Iron core, described stator core segmentation, section constitutes stator's radial air duct, for stator radial ventilation, stator core with the gap of section
It is additionally provided with 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 band two impeller the most according to claim 1, it is characterised in that described scattered
Hot fin is corresponding with position of stator, and radiating fin is annular or is strip, and radiating fin is axial arranged along motor.
The pure air-cooled heat dissipation structure of magnetic suspension motor of band two impeller the most according to claim 2, it is characterised in that described machine
Shell air vent is between radiating fin.
The pure air-cooled heat dissipation structure of magnetic suspension motor of band two impeller the most according to claim 2, it is characterised in that described fixed
Sub-iron core every section is axially arranged side by side.
The pure air-cooled heat dissipation structure of magnetic suspension motor of band two impeller the most according to claim 4, it is characterised in that described machine
Shell air vent aligns with described stator's radial air duct.
The pure air-cooled heat dissipation structure of magnetic suspension motor of band two impeller the most according to claim 1, 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 band two impeller the most according to claim 1, it is characterised in that described fixed
The structure of sub-axial ventilation hole is axially extending bore, and stator shaft orientation air vent is circular port.
The pure air-cooled heat dissipation structure of magnetic suspension motor of band two impeller the most according to claim 1, it is characterised in that described fixed
Son also has stator winding, and between described stator and rotor, air gap is by the notch of described stator core inner circular part and described stator winding
Gap constitute.
The pure air-cooled heat dissipation structure of magnetic suspension motor of band two impeller the most according to claim 1, it is characterised in that also include
Front impeller thrust disc, front cod, rear impeller thrust disc and rear cod, described front impeller thrust disc leeward side and front axle
Adjoining to bearing and be sleeved on rotor, structure is open impeller or double shrouded wheel, described rear impeller thrust disc leeward side
Adjoining with rear cod and be sleeved on rotor, structure is open impeller or double shrouded wheel.
The pure air-cooled heat dissipation structure of magnetic suspension motor of band two impeller the most according to claim 9, it is characterised in that described
Front impeller thrust disc is made up of permeability magnetic material, and described rear impeller thrust disc is made up of permeability magnetic material, the class of described rear cod
Type is magnetic suspension bearing, and the type of described front cod is magnetic suspension bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631663.2A CN106160315A (en) | 2016-08-02 | 2016-08-02 | The pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631663.2A CN106160315A (en) | 2016-08-02 | 2016-08-02 | The pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106160315A true CN106160315A (en) | 2016-11-23 |
Family
ID=57328203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610631663.2A Pending CN106160315A (en) | 2016-08-02 | 2016-08-02 | The pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160315A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533100A (en) * | 2016-12-16 | 2017-03-22 | 卧龙电气集团股份有限公司 | High-speed three-phase asynchronous motor used for gas transmission line compressor unit |
| CN106877574A (en) * | 2017-04-13 | 2017-06-20 | 哈尔滨理工大学 | A kind of squirrel-cage motor inverted ventilation method |
| CN107026537A (en) * | 2017-05-15 | 2017-08-08 | 张志通 | A kind of heat radiating type motor |
| CN107834774A (en) * | 2017-12-18 | 2018-03-23 | 东方电气集团东方电机有限公司 | A kind of motor of stator with ventilation slot mouth |
| CN109713847A (en) * | 2019-01-07 | 2019-05-03 | 天津飞旋高速电机科技有限公司 | A kind of magnetic-suspension high-speed magneto and cooling means with air water cooling structure |
| CN109778450A (en) * | 2019-03-18 | 2019-05-21 | 杰克缝纫机股份有限公司 | A kind of sewing machine electric air-suction wound packages is set |
| CN110297513A (en) * | 2019-07-04 | 2019-10-01 | 哈尔滨理工大学 | The cooling system and temperature control method that cooling branch inhibits motor temperature rise are adjusted based on operating condition adjustment procedure |
| CN110690773A (en) * | 2019-10-22 | 2020-01-14 | 珠海格力电器股份有限公司 | Motor assembly, compressor and air conditioner |
| CN113054786A (en) * | 2019-12-27 | 2021-06-29 | 安徽明腾永磁机电设备有限公司 | High-speed permanent magnet motor |
| CN113765249A (en) * | 2021-08-19 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Rotor structure of magnetic suspension axial flow fan |
| CN116742879A (en) * | 2023-05-16 | 2023-09-12 | 广东聚磁动力科技有限公司 | Air-cooled heat radiation structure and magnetic levitation motor |
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| CN103814261A (en) * | 2011-09-14 | 2014-05-21 | 丹佛斯特波科尔压缩机有限公司 | Centrifugal compressor diffuser control |
| CN203632377U (en) * | 2014-01-04 | 2014-06-04 | 宁波润泽电器有限公司 | Brush motor |
| CN205960857U (en) * | 2016-08-02 | 2017-02-15 | 天津飞旋科技研发有限公司 | Take pure forced -air cooling heat dissipation structure of magnetic levitation motor of two impellers |
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| CN1278188A (en) * | 1997-09-05 | 2000-12-27 | 文特拉西斯特股份有限公司 | Rotary pump with hydrodynamically suspended impeller |
| EP2274816B1 (en) * | 2008-04-18 | 2013-10-30 | Moteurs Leroy Somer | Electric machine with separate double ventilation |
| CN201238238Y (en) * | 2008-07-31 | 2009-05-13 | 重庆御捷马电气有限公司 | Low-voltage variable-frequency asynchronous motor of electric vehicle |
| CN102691534A (en) * | 2011-03-24 | 2012-09-26 | 阿特拉斯·科普柯能源有限公司 | Turbo machine |
| CN103814261A (en) * | 2011-09-14 | 2014-05-21 | 丹佛斯特波科尔压缩机有限公司 | Centrifugal compressor diffuser control |
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| CN205960857U (en) * | 2016-08-02 | 2017-02-15 | 天津飞旋科技研发有限公司 | Take pure forced -air cooling heat dissipation structure of magnetic levitation motor of two impellers |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533100A (en) * | 2016-12-16 | 2017-03-22 | 卧龙电气集团股份有限公司 | High-speed three-phase asynchronous motor used for gas transmission line compressor unit |
| CN106877574A (en) * | 2017-04-13 | 2017-06-20 | 哈尔滨理工大学 | A kind of squirrel-cage motor inverted ventilation method |
| CN107026537A (en) * | 2017-05-15 | 2017-08-08 | 张志通 | A kind of heat radiating type motor |
| CN107834774A (en) * | 2017-12-18 | 2018-03-23 | 东方电气集团东方电机有限公司 | A kind of motor of stator with ventilation slot mouth |
| CN109713847A (en) * | 2019-01-07 | 2019-05-03 | 天津飞旋高速电机科技有限公司 | A kind of magnetic-suspension high-speed magneto and cooling means with air water cooling structure |
| CN109778450A (en) * | 2019-03-18 | 2019-05-21 | 杰克缝纫机股份有限公司 | A kind of sewing machine electric air-suction wound packages is set |
| CN110297513A (en) * | 2019-07-04 | 2019-10-01 | 哈尔滨理工大学 | The cooling system and temperature control method that cooling branch inhibits motor temperature rise are adjusted based on operating condition adjustment procedure |
| CN110297513B (en) * | 2019-07-04 | 2020-01-03 | 哈尔滨理工大学 | Cooling system for regulating cooling branch to inhibit motor temperature rise based on working condition adaptation method and temperature control method |
| CN110690773A (en) * | 2019-10-22 | 2020-01-14 | 珠海格力电器股份有限公司 | Motor assembly, compressor and air conditioner |
| CN113054786A (en) * | 2019-12-27 | 2021-06-29 | 安徽明腾永磁机电设备有限公司 | High-speed permanent magnet motor |
| CN113765249A (en) * | 2021-08-19 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Rotor structure of magnetic suspension axial flow fan |
| CN116742879A (en) * | 2023-05-16 | 2023-09-12 | 广东聚磁动力科技有限公司 | Air-cooled heat radiation structure and magnetic levitation motor |
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Address after: 300457 Block D, No. 90, Twelfth Avenue, Tianjin Development Zone, Binhai New Area, Tianjin Applicant after: Tianjin Feixuan science and Technology Co Ltd Address before: No. 34 Muning Road, Binhai New District, Tianjin City, 300457 Applicant before: Tianjin Flying Science Development Co., Ltd. |
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Application publication date: 20161123 |