CN109245431A - A kind of fuel battery air compressor high-speed motor cooling body - Google Patents

A kind of fuel battery air compressor high-speed motor cooling body Download PDF

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Publication number
CN109245431A
CN109245431A CN201811048250.7A CN201811048250A CN109245431A CN 109245431 A CN109245431 A CN 109245431A CN 201811048250 A CN201811048250 A CN 201811048250A CN 109245431 A CN109245431 A CN 109245431A
Authority
CN
China
Prior art keywords
air
end cap
cooling
impeller
bearing end
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
CN201811048250.7A
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Chinese (zh)
Inventor
王帅
张宏杰
张前
贾晓光
李晓彤
马存
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.)
SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co Ltd
Original Assignee
SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY 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 SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co Ltd filed Critical SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co Ltd
Priority to CN201811048250.7A priority Critical patent/CN109245431A/en
Priority to PCT/CN2018/112020 priority patent/WO2020052011A1/en
Publication of CN109245431A publication Critical patent/CN109245431A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

Abstract

The present invention relates to a kind of fuel battery air compressor high-speed motor cooling bodies, including casing, left shell, impeller, spiral case, air bearing, air-cooled impeller, rotor, stator, impeller, right bearing end cap, thrust shaft block, thrust button and left bearing end cap.Cooling body is active wind-cooling heat dissipating mechanism, including air inlet, air-cooled impeller and exhaust outlet, air inlet are located at left shell, and exhaust outlet is located at the right side of casing, and air-cooled impeller is coaxial with the rotor, is mounted between left shell and thrust shaft block.Cooling wind through between air inlet, air-cooled impeller, the air-cooled duct of thrust shaft block, thrust button, the air-cooled duct of left bearing end cap, rotor and stator gap and exhaust outlet be discharged, to motor inside carry out active air cooling heat dissipation.The present invention realizes the cooling to rotor, is conducive to improve whole cooling effect, improves the stability of compressor high-speed motor, prolong the service life by adding active air cooling cooling mechanism.

Description

A kind of fuel battery air compressor high-speed motor cooling body
Technical field
The invention belongs to technical field of power equipment, are related to a kind of fuel battery air compressor high-speed motor cooler Structure.
Background technique
Consider the economy and stability and service life of automobile, vehicle component must satisfy small in volume, Feature high-efficient, the service life is long.Vehicle fuel battery air compressor is driven using high-speed motor, the premise improved service life Condition is to meet the optimal Applicable temperature requirement of electric machine rotor.High-speed motor has the advantages that power density small in size is high, but Therefore the problem that fever is high, heat dissipation is difficult is caused, the height of motor temperature directly affects motor service life.It is reasonable cold But mode and cooling structure are the guarantees of electrical machinery life.Have between 0.5~2 millimeter between high speed permanent magnet motor stator and rotor Gap, motor stator are cooled down using the cooling water arranged inside motor casing, because between stator and rotor there is the air gap, The heat transfer efficiency of air is relatively low, and the heat dissipation effect in enclosure space is limited to, and closed air cannot be effectively by rotor Heat transfer to stator on, in the case where not increasing cooling water inflow, it is difficult to ensure that motor normally uses temperature, rotor temperature Degree after the use temperature of permanent-magnet material more than demagnetizing, and electric efficiency can be substantially reduced, and electrical machinery life is affected, reliability Cannot effectively it guarantee.Traditional water-cooled cooling mode is essentially stator cooling, has little effect to rotor, causes the temperature of rotor inclined Height, electric efficiency decline.
The application for a patent for invention of Publication No. CN102094840 A discloses a kind of air blower for fuel-cell vehicle, The air blower includes air flow groove and the cooling-water duct that is formed in high-speed motor shell, to improve cooling efficiency and subtract Small axle load improves durability.Impeller generates high pressure-temperature air major part gas and provides sky by spiral case for fuel cell Gas, the partial air flow of impeller left side labyrinth seal leakage most pass through afterwards through the gap between bearing block and electric machine rotor The gas vent of bearing (ball) cover end face is discharged.Because air can be generated heat in compression process.Pressure ratio is higher, and air temperature rise is got over Height, cooling effect are deteriorated.This structure is not suitable for the fuel cell system that outlet pressure ratio is higher than 2.0 or more.
Summary of the invention
The object of the present invention is to provide a kind of fuel battery air compressor high-speed motor cooling bodies, to optimize motor Cooling body, realize cooling to rotor part, the entirety for improving fuel battery air compressor high-speed motor is cold But effect improves the stability of fuel battery air compressor, prolongs the service life.
The technical scheme is that fuel battery air compressor high-speed motor cooling body, including casing, left side Shell, impeller, spiral case, air bearing, air-cooled impeller, rotor and stator.Impeller and right bearing end cap are equipped on the right side of motor, Right bearing end cap is mounted on the right end of casing, and impeller is mounted between spiral case and right bearing end cap, and impeller is coaxial with the rotor.Motor Left side be equipped with thrust shaft block, thrust button and left bearing end cap, left bearing end cap is mounted on the left end of casing.Thrust shaft block Thrust air bearing is respectively equipped between thrust button and left bearing end cap between thrust button, between left bearing end cap and rotor Radial air bearing is equipped between right bearing end cap and rotor.Cooling body is active wind-cooling heat dissipating mechanism, and active air cooling dissipates Heat engine structure includes air inlet, air-cooled impeller and exhaust outlet, and air inlet is located at left shell, and exhaust outlet is located at the right side of casing, wind Cold impeller is coaxial with the rotor, and is mounted between left shell and thrust shaft block.Thrust shaft block and left bearing end cap are equipped with wind Cold duct.By air-cooled wheel rotation air blast, cooling wind is through air inlet, air-cooled impeller, the air-cooled duct of thrust shaft block, thrust Gap and exhaust outlet discharge between disk, the air-cooled duct of left bearing end cap, rotor and stator, carry out active wind to motor inside Cold heat dissipation.
Thrust air bearing and radial air bearing are self-acting air bearing.Casing is equipped with water-cooling channel, water-cooling channel Axially disposed, water-cooling channel both ends form circulation loop by left bearing end cap and right bearing seat end cap.Water-cooling channel and the right side Bearing (ball) cover, left bearing end cap joint face be mounted on sealing ring.Motor is equipped with air purifier, air inlet and air cleaning Device connection.Air-cooled impeller is higher specific speed centrifugal impeller.
Fuel battery air compressor high-speed motor of the present invention is by adding active air cooling cooling mechanism, utilization and rotor Coaxial mounted air-cooled impeller sucks cool exterior air by the air inlet on motor left shell, and cooling wind is through thrust bearing The air-cooled duct of seat, thrust button, the air-cooled duct of left bearing end cap, stator rotor gap reach right bearing end cap, pass through electric machine casing Exhaust outlet on right side is discharged to the external world, realizes the cooling to rotor.Water-cooling channel inside motor case passes through bearing The serpentine circuit that seat end cap encryption seal is formed, improves the intracorporal cooling water capacity of motor casing, cooling effect is better than conventional junction The circumferential water channel of structure.The present invention becomes apparent from by using air-cooled plus water cooling the type of cooling, cooling effect, is conducive to improve fuel The whole cooling effect of battery air compressor high-speed motor, improves the stability of fuel battery air compressor, and extension makes Use the service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fuel battery air compressor high-speed motor of the present invention;
Wherein 1-air inlet, 2-air-cooled impellers, 3-thrust air bearing, 4-radial air bearings, 5-rotors, 6-are determined Son, 7-exhaust outlets, 8-impellers, 9-casings, 10-water-cooling channels, 11-left shells, 12-thrust shaft blocks, 13-are only Push-plate, 14-left bearing end caps, 15-air-cooled ducts, 16-right bearing end caps, 17-spiral cases, 18-air-cooled channels.
Specific embodiment
Below with reference to embodiment and attached drawing, the present invention is described in detail.The scope of protection of the present invention is not limited to the embodiment, Those skilled in the art make any change within the scope of the claims and also belong to the scope of protection of the invention.
Fuel battery air compressor of the present invention high-speed motor cooling body is as shown in Figure 1, include casing 9, left side shell Body 11, spiral case 17, rotor 5 and stator 6.Impeller 8 and right bearing end cap 16 are equipped on the right side of motor, right bearing end cover bolt is fixed It is mounted on the right end of casing, impeller 8 is mounted between spiral case and right bearing end cap, and impeller is coaxial with the rotor.It is set on the left of motor There are thrust shaft block 12, thrust button 13 and left bearing end cap 14, left bearing end cover bolt is fixedly mounted on the left end of casing.Only Thrust air bearing 3, thrust air axis are respectively equipped between thrust bearing seat and thrust button between thrust button and left bearing end cap It holds as self-acting air bearing.Radial air bearing 4 is equipped between left bearing end cap and rotor between right bearing end cap and rotor, Radial air bearing is self-acting air bearing.Cooling body includes active air cooling cooling mechanism and water-cooling mechanism, active wind Cold cooling mechanism includes air inlet 1, air-cooled impeller 2, exhaust outlet 7 and air purifier, and air-cooled impeller is centrifugal impeller.Air inlet Positioned at left shell 11, exhaust outlet is located at the right side of casing, and air-cooled impeller, which is coaxial with the rotor, is mounted on left shell and thrust shaft It holds between seat.Thrust shaft block and left bearing end cap are equipped with air-cooled duct 15, for passing through cooling wind.Water-cooling mechanism includes The water-cooling channel 10 being axially arranged along casing 9, water-cooling channel both ends pass through left bearing end cap 14 and the formation of right bearing seat end cap 16 Circulation loop.
By air inlet, air-cooled impeller, the air-cooled duct of thrust shaft block, thrust plate edge, left bearing end cap air-cooled hole Gap to the exhaust outlet in gap, right bearing end cap between road, rotor and stator forms air-cooled channel 18.Air inlet 1 and air Clarifier connection, is carried out air-cooled with pure air, avoids the air-cooled channel of dust blocking.Air-cooled process are as follows: cooling wind is by air-cooled leaf Wheel rotation air blast generates, and cooling wind is through air inlet, air-cooled impeller, the air-cooled duct of thrust shaft block, thrust button, left bearing end cap Air-cooled duct, the gap between rotor and stator, right bearing end cap to exhaust outlet, be discharged through exhaust outlet, to motor inside into The heat dissipation of row active air cooling.
Water-cooling channel 10 inside motor case 1 is process with aluminum profile drawing process, and water-cooling channel both ends pass through axis The serpentine circuit that an end cap encryption seal is formed is held, the intracorporal cooling water capacity of motor casing can be promoted, good cooling effect has simultaneously Have the characteristics that case strength is big, high in machining efficiency, rejection rate is low.
Use high-speed permanent magnet motor and self-acting air bearing for support compressor rotary speed range be 80000- 180000rpm effectively increases pneumatic efficiency and air quantity adjustable range, it is ensured that extreme operating condition for fuel cell provide enough and Stable gas source.High-speed motor power bracket covers 5~15kW, air blower pressure ratio 2~2.5,50~120g/s of range of flow, together When reduce the main screw lift of air compressor.
It is air-cooled plus the type of cooling of water cooling that the present invention, which uses, and cooling effect is more effective, improves fuel cell sky The whole cooling effect of air compressor high-speed motor, improves the stability of fuel battery air compressor, is conducive to extend The service life of high-speed motor.

Claims (5)

1. a kind of fuel battery air compressor high-speed motor cooling body, including casing (9), left shell (11), spiral case (17), rotor (5) and stator (6), the motor right side are equipped with impeller (8) and right bearing end cap (16), the right bearing end cap It is mounted on the right end of casing, the impeller (8) is mounted between spiral case and right bearing end cap, and impeller is coaxial with the rotor;The electricity The left side of machine is equipped with thrust shaft block (12), thrust button (13) and left bearing end cap (14), left bearing end cap and is mounted on casing Left end;Thrust air bearing is respectively equipped between the thrust shaft block and thrust button between thrust button and left bearing end cap (3), radial air bearing (4) are equipped between right bearing end cap and rotor between the left bearing end cap and rotor;Its feature Be: the cooling body is active wind-cooling heat dissipating mechanism, and the active air cooling cooling mechanism includes air inlet (1), air-cooled impeller (2) it is located at left shell (11) with exhaust outlet (7), the air inlet, the exhaust outlet is located at the right side of casing, the air-cooled leaf Wheel, which is coaxial with the rotor, to be mounted between left shell and thrust shaft block;The thrust shaft block and left bearing end cap are equipped with air-cooled Duct (15).
2. fuel battery air compressor high-speed motor cooling body according to claim 1, it is characterized in that: described stop Pushing away air bearing (3) and radial air bearing (4) is self-acting air bearing.
3. fuel battery air compressor high-speed motor cooling body according to claim 1, it is characterized in that: the machine Shell (9) is equipped with water-cooling channel (10), and the water-cooling channel is axially disposed, water-cooling channel both ends by left bearing end cap (14) and Right bearing seat end cap (16) forms circulation loop;The joint face of the water-cooling channel and right bearing end cap, left bearing end cap is installed There is sealing ring.
4. fuel battery air compressor high-speed motor cooling body according to claim 1, it is characterized in that: the electricity Machine is equipped with air purifier, and the air inlet (1) connect with air purifier.
5. fuel battery air compressor high-speed motor cooling body according to claim 1, it is characterized in that: the wind Cold impeller (2) is higher specific speed centrifugal impeller.
CN201811048250.7A 2018-09-10 2018-09-10 A kind of fuel battery air compressor high-speed motor cooling body Pending CN109245431A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811048250.7A CN109245431A (en) 2018-09-10 2018-09-10 A kind of fuel battery air compressor high-speed motor cooling body
PCT/CN2018/112020 WO2020052011A1 (en) 2018-09-10 2018-10-26 High-speed motor cooling mechanism for fuel cell air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811048250.7A CN109245431A (en) 2018-09-10 2018-09-10 A kind of fuel battery air compressor high-speed motor cooling body

Publications (1)

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CN109245431A true CN109245431A (en) 2019-01-18

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110149024A (en) * 2019-07-08 2019-08-20 泉州市华德机电设备有限公司 A kind of high-speed motor is from taking out hot cooling structure
CN110247504A (en) * 2019-05-31 2019-09-17 佛山特博科技有限公司 One kind being used for the air compressor motor general assembly of hydrogen fuel cell dual-cooling type ultracentrifugation
CN111486109A (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
CN111486105A (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
CN113202820A (en) * 2021-04-30 2021-08-03 蜂巢蔚领动力科技(江苏)有限公司 Air cooling and sealing system of fuel cell air compressor
CN113417869A (en) * 2021-05-28 2021-09-21 海拓宾未来工业集团有限公司 Air suspension type low-pressure pure oil-free centrifugal compressor
CN113757136A (en) * 2021-09-09 2021-12-07 鑫磊压缩机股份有限公司 Heat dissipation system of magnetic suspension multistage compressor
CN114370409A (en) * 2021-07-02 2022-04-19 鑫磊压缩机股份有限公司 Direct-connected air compressor
CN114370431A (en) * 2021-11-22 2022-04-19 鑫磊压缩机股份有限公司 Air compressor machine heat radiation structure
CN114370416A (en) * 2021-12-27 2022-04-19 广州市昊志机电股份有限公司 Air compressor and fuel cell system
CN114370425A (en) * 2021-11-22 2022-04-19 鑫磊压缩机股份有限公司 Centrifugal air compressor combined impeller structure
CN114922864A (en) * 2022-06-02 2022-08-19 河北金士顿科技有限责任公司 Air suspension high-speed centrifugal blower
WO2023082464A1 (en) * 2021-11-12 2023-05-19 海南极锐浩瀚动力系统科技有限公司 High-speed air suspension compressor for fuel cell having closed stator, and fuel cell system and vehicle
CN110149024B (en) * 2019-07-08 2024-04-05 泉州市华德机电设备有限公司 Self-heat-extraction cooling structure of high-speed motor

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US10816266B2 (en) * 2018-08-30 2020-10-27 Whirlpool Corporation Low pressure laundry treating appliance

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CN205841269U (en) * 2016-07-26 2016-12-28 石家庄金士顿轴承科技有限公司 A kind of air-cooled structure of cfentrifugal blower
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CN207559750U (en) * 2017-10-25 2018-06-29 石家庄金士顿轴承科技有限公司 A kind of high-speed permanent magnet motor direct connection centrifugal blower heat sink

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CN203104215U (en) * 2013-01-06 2013-07-31 宁波安信数控技术有限公司 Motor suitable for multiple cooling modes
CN103326512A (en) * 2013-05-16 2013-09-25 西安交通大学 Centrifugal air compressor cooling structure driven by ultra-high-speed permanent magnet motor
CN204947803U (en) * 2015-06-30 2016-01-06 上海熊猫机械(集团)有限公司 A kind of air-cooled and water-cooled composite type cooling motor mechanism
CN205841269U (en) * 2016-07-26 2016-12-28 石家庄金士顿轴承科技有限公司 A kind of air-cooled structure of cfentrifugal blower
CN207426878U (en) * 2017-10-20 2018-05-29 比亚迪股份有限公司 Driving motor and with its vehicle
CN207559750U (en) * 2017-10-25 2018-06-29 石家庄金士顿轴承科技有限公司 A kind of high-speed permanent magnet motor direct connection centrifugal blower heat sink

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111486109A (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
CN111486105A (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
CN110247504A (en) * 2019-05-31 2019-09-17 佛山特博科技有限公司 One kind being used for the air compressor motor general assembly of hydrogen fuel cell dual-cooling type ultracentrifugation
CN110149024A (en) * 2019-07-08 2019-08-20 泉州市华德机电设备有限公司 A kind of high-speed motor is from taking out hot cooling structure
WO2021004071A1 (en) * 2019-07-08 2021-01-14 泉州市华德机电设备有限公司 Autonomous heat extraction cooling structure for high-speed motor
CN110149024B (en) * 2019-07-08 2024-04-05 泉州市华德机电设备有限公司 Self-heat-extraction cooling structure of high-speed motor
CN113202820A (en) * 2021-04-30 2021-08-03 蜂巢蔚领动力科技(江苏)有限公司 Air cooling and sealing system of fuel cell air compressor
CN113417869A (en) * 2021-05-28 2021-09-21 海拓宾未来工业集团有限公司 Air suspension type low-pressure pure oil-free centrifugal compressor
WO2023087490A1 (en) * 2021-07-02 2023-05-25 鑫磊压缩机股份有限公司 Direct-connection type air compressor
CN114370426A (en) * 2021-07-02 2022-04-19 鑫磊压缩机股份有限公司 Combined impeller air compressor
CN114370409A (en) * 2021-07-02 2022-04-19 鑫磊压缩机股份有限公司 Direct-connected air compressor
CN113757136B (en) * 2021-09-09 2023-08-08 鑫磊压缩机股份有限公司 Heat radiation system of magnetic suspension multistage compressor
CN113757136A (en) * 2021-09-09 2021-12-07 鑫磊压缩机股份有限公司 Heat dissipation system of magnetic suspension multistage compressor
WO2023082464A1 (en) * 2021-11-12 2023-05-19 海南极锐浩瀚动力系统科技有限公司 High-speed air suspension compressor for fuel cell having closed stator, and fuel cell system and vehicle
CN114370431A (en) * 2021-11-22 2022-04-19 鑫磊压缩机股份有限公司 Air compressor machine heat radiation structure
CN114370425A (en) * 2021-11-22 2022-04-19 鑫磊压缩机股份有限公司 Centrifugal air compressor combined impeller structure
CN114370425B (en) * 2021-11-22 2024-02-27 鑫磊压缩机股份有限公司 Combined impeller structure of centrifugal air compressor
CN114370416A (en) * 2021-12-27 2022-04-19 广州市昊志机电股份有限公司 Air compressor and fuel cell system
CN114922864A (en) * 2022-06-02 2022-08-19 河北金士顿科技有限责任公司 Air suspension high-speed centrifugal blower
CN114922864B (en) * 2022-06-02 2024-01-19 河北金士顿科技有限责任公司 Air suspension high-speed centrifugal blower

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Application publication date: 20190118