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 PDF

Info

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.)
Pending
Application number
CN201610631663.2A
Other languages
Chinese (zh)
Inventor
毕刘新
沙宏磊
邓仁杰
项海铭
魏庆
衣富成
俞天野
洪申平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN FLYING SCIENCE DEVELOPMENT Co Ltd
Original Assignee
TIANJIN FLYING SCIENCE DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TIANJIN FLYING SCIENCE DEVELOPMENT Co Ltd filed Critical TIANJIN FLYING SCIENCE DEVELOPMENT Co Ltd
Priority to CN201610631663.2A priority Critical patent/CN106160315A/en
Publication of CN106160315A publication Critical patent/CN106160315A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/20Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements 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

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

The pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers
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.
CN201610631663.2A 2016-08-02 2016-08-02 The pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers Pending CN106160315A (en)

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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026537A (en) * 2017-05-15 2017-08-08 张志通 A kind of heat radiating type motor
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

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN102723834A (en) * 2012-04-25 2012-10-10 山西北方机械制造有限责任公司 Permanent magnet synchronous motor
CN202918133U (en) * 2012-11-28 2013-05-01 沈阳工业大学 High power high speed permanent magnet high frequency motor
EP2274816B1 (en) * 2008-04-18 2013-10-30 Moteurs Leroy Somer Electric machine with separate double ventilation
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102723834A (en) * 2012-04-25 2012-10-10 山西北方机械制造有限责任公司 Permanent magnet synchronous motor
CN202918133U (en) * 2012-11-28 2013-05-01 沈阳工业大学 High power high speed permanent magnet high frequency motor
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026537A (en) * 2017-05-15 2017-08-08 张志通 A kind of heat radiating type motor
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

Similar Documents

Publication Publication Date Title
CN205960857U (en) Take pure forced -air cooling heat dissipation structure of magnetic levitation motor of two impellers
CN106160315A (en) The pure air-cooled heat dissipation structure of magnetic suspension motor with two impellers
CN103650294B (en) There is the motor of rotor interior ventilation
CN206023440U (en) A kind of pure air-cooled heat dissipation structure of the magnetic suspension motor of impeller one
CN106300778A (en) The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one
CN104121233B (en) Ram-air fan inlet shield
CN102322448A (en) Cooling structure of motor-driven high-speed centrifugal air compressor
CN205319816U (en) Permanent magnetism disk type motor cooling system
JP2014033584A (en) Wind cooling structure of rotary electric machine
JP4576309B2 (en) Rotating electric machine
CN103326512A (en) Centrifugal air compressor cooling structure driven by ultra-high-speed permanent magnet motor
CN103441612A (en) Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan
CN203482014U (en) Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan
CN207513901U (en) A kind of centrifugal blower of good heat dissipation effect
CN104578649B (en) Axial direction sectional type motor rotor with arc-shaped air deflectors
KR101563314B1 (en) Open type motor
CN203482012U (en) Magnetic-levitation permanent-magnet synchronous high-power high-speed fan
CN103427557A (en) Magnetic levitation permanent-magnet synchronous high-power high-speed draught fan
CN204721187U (en) The cooling system of crane external rotor permanent magnet synchronous machine
CN208539671U (en) A kind of self-cooling motor rotor
CN110460198A (en) High-speed permanent magnet motor
CN203482015U (en) Magnetic suspension permanent-magnet synchronous high-speed motor
CN107612194A (en) A kind of squirrel cage induction motor with inner circulating air cooling duct
CN108702047B (en) Rotor and motor
CN106451864B (en) Permanent magnet traction motor mixed ventilation cooling system and method

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
CB02 Change of applicant information

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.

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.

CB02 Change of applicant information
RJ01 Rejection of invention patent application after publication

Application publication date: 20161123

RJ01 Rejection of invention patent application after publication