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 PDFInfo
- 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
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Classifications
-
- 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
-
- 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
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements 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
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.
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)
Publication Number | Publication Date |
---|---|
CN109245431A true CN109245431A (en) | 2019-01-18 |
Family
ID=65067676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811048250.7A Pending CN109245431A (en) | 2018-09-10 | 2018-09-10 | A kind of fuel battery air compressor high-speed motor cooling body |
Country Status (2)
Country | Link |
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CN (1) | CN109245431A (en) |
WO (1) | WO2020052011A1 (en) |
Cited By (14)
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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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)
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 |