CN106411047A - Hub motor driving system with air cooling mode - Google Patents
Hub motor driving system with air cooling mode Download PDFInfo
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- CN106411047A CN106411047A CN201611063505.8A CN201611063505A CN106411047A CN 106411047 A CN106411047 A CN 106411047A CN 201611063505 A CN201611063505 A CN 201611063505A CN 106411047 A CN106411047 A CN 106411047A
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- motor
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- air
- driving system
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- 238000001816 cooling Methods 0.000 title claims description 29
- 238000007789 sealing Methods 0.000 claims description 3
- 241000239290 Araneae Species 0.000 claims 4
- 241000883990 Flabellum Species 0.000 claims 1
- 230000005284 excitation Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
本发明公开了一种采用风冷冷却方式的轮毂电机驱动系统，包括轮毂电机、扇叶、轮辋、电机外壳、转子支架、电机轴、制动器等结构。所述轮辋通过螺栓连接在转子支架上，并通过轴承支撑在电机轴上，电机外壳通过螺钉固定在电机轴上，电机外壳与转子支架通过轴承连接，形成密封空间，其内部是定子铁芯及其绕组、转子及磁钢。转子支架设计为扇叶结构，并随转子一起转动，在电机外壳上设计有通风通道，同时转子支架通过轴承支撑在电机轴上。制动器制动钳固定在电机外壳上，制动盘安装在转子支架上。在上述结构下，空气可以通过电机外壳通风口进风，经过扇叶使空气加速流动，完成对密封空间部分的散热，以满足轮毂电机驱动系统的性能要求。
The invention discloses an air-cooled hub motor drive system, which comprises hub motors, fan blades, wheel rims, motor casings, rotor brackets, motor shafts, brakes and other structures. The rim is connected to the rotor bracket by bolts, and is supported on the motor shaft by bearings. The motor casing is fixed on the motor shaft by screws. The motor casing and the rotor bracket are connected by bearings to form a sealed space. Inside is the stator core and Its winding, rotor and magnetic steel. The rotor bracket is designed as a fan blade structure and rotates with the rotor. A ventilation channel is designed on the motor casing, and the rotor bracket is supported on the motor shaft through bearings. The brake caliper is fixed on the motor housing, and the brake disc is installed on the rotor bracket. Under the above-mentioned structure, the air can enter through the vent of the motor casing, and the air can be accelerated to flow through the fan blades, so as to complete the heat dissipation of the sealed space, so as to meet the performance requirements of the in-wheel motor drive system.
Description
技术领域technical field
本发明涉及一种轮毂电机驱动系统,尤其涉及一类采用风冷冷却方式的轮毂电机驱动系统。The invention relates to a wheel hub motor driving system, in particular to a wheel hub motor driving system adopting an air cooling mode.
背景技术Background technique
目前，随着各种新能源技术的出现，轮毂电机技术作为一种新技术受到了越来越多的关注，但在轮毂电机运行过程中，定子线圈等必定会产生大量的热量，同时驱动电机集成于狭小空间的车轮内，不能进行很好的散热，需要对其冷却结构进行设计以满足冷却的需要。目前的冷却方式有水冷、风冷、油冷等，各种冷却方式对于散热各有优劣，由于冷却方式的不同导致轮毂电机的结构复杂程度不同，所以选择冷却方式的同时需要对轮毂电机结构进行设计，以满足轮毂电机对于密封性的要求，同时应该有效的提高轮毂电机的散热效果。At present, with the emergence of various new energy technologies, in-wheel motor technology has received more and more attention as a new technology, but during the operation of in-wheel motors, the stator coils, etc. Integrated in the wheel in a narrow space, it cannot dissipate heat well, and its cooling structure needs to be designed to meet the cooling needs. The current cooling methods include water cooling, air cooling, oil cooling, etc. Each cooling method has its own advantages and disadvantages for heat dissipation. Due to the different cooling methods, the structure of the hub motor is different. Therefore, it is necessary to select the cooling method and the structure of the hub motor. It is designed to meet the sealing requirements of the hub motor, and at the same time, it should effectively improve the heat dissipation effect of the hub motor.
目前，对于轮毂电机驱动系统冷却方面的研究工作十分有限，根据相关检索，申请号为CN201420529434.6公开了一种轮毂电机水冷与风冷结合散热结构，其利用气压进行对冷却水管进行风冷，其结构较为复杂，同时并不是对轮毂电机进行直接风冷，申请号为CN201610011189.3公开了一种油冷轮毂电机，上述的冷却方式使得轮毂电机结构复杂，并没有直接涉及风冷直接冷却轮毂电机。At present, the research work on the cooling of the hub motor drive system is very limited. According to relevant searches, the application number is CN201420529434.6, which discloses a combination of water cooling and air cooling for the hub motor, which uses air pressure to perform air cooling on the cooling water pipe. Its structure is relatively complicated, and at the same time, it does not directly air-cool the hub motor. The application number is CN201610011189.3, which discloses an oil-cooled hub motor. The above-mentioned cooling method makes the structure of the hub motor complicated, and does not directly involve air cooling to directly cool the hub. motor.
发明内容Contents of the invention
针对目前轮毂电机存在的冷却问题，本发明的目的是为了提供一种适用于内转子的轮毂电机驱动系统冷却结构，通过风冷的冷却方式完成散热，满足轮毂电机驱动系统的性能要求。Aiming at the cooling problem existing in the current hub motor, the purpose of the present invention is to provide a cooling structure for the hub motor drive system suitable for the inner rotor, which can complete heat dissipation through air cooling and meet the performance requirements of the hub motor drive system.
本发明的目的通过如下技术方案实现：The purpose of the present invention is achieved through the following technical solutions:
该系统主要由扇叶、转子支架、电机外壳、定子、转子、磁钢、轮辋、轮胎、制动器等构成。The system is mainly composed of fan blades, rotor brackets, motor casings, stators, rotors, magnetic steel, rims, tires, brakes, etc.
本发明的轮毂电机为内转子结构，采用了风冷的冷却方式。轮辋通过螺栓与转子支架相连接，并且通过轴承支撑在电机轴上。电机外壳通过螺钉连接在电机轴上，并且电机外壳侧壁通过螺钉与电机外壳相连，同时电机外壳通过轴承与转子支架相连，形成密闭空间。定子通过定位销连接在电机外壳上，转子及磁钢连接在转子支架上。转子支架通过轴承与电机轴相连接。The wheel hub motor of the present invention has an inner rotor structure and adopts an air-cooled cooling method. The rim is connected to the rotor bracket by bolts and supported on the motor shaft by bearings. The motor casing is connected to the motor shaft through screws, and the side wall of the motor casing is connected to the motor casing through screws, and at the same time, the motor casing is connected to the rotor bracket through bearings to form a closed space. The stator is connected to the motor casing through positioning pins, and the rotor and magnetic steel are connected to the rotor bracket. The rotor support is connected to the motor shaft through bearings.
风冷结构的实现主要通过将转子支架设计成扇叶的形式，转子支架的转动直接使得扇叶旋转加速空气流动,并且在电机外壳上开出通风口以供通风，轮辋与电机外壳不进行密封处理，以供有多个进风口，同时便于对电机外壳及其侧壁进行散热。The air-cooled structure is realized mainly by designing the rotor bracket in the form of fan blades. The rotation of the rotor bracket directly makes the fan blades rotate to accelerate the air flow, and a vent is opened on the motor casing for ventilation, and the rim and the motor casing are not sealed. It is processed so that there are multiple air inlets, and at the same time, it is convenient for heat dissipation of the motor casing and its side walls.
制动器安装在轮毂电机内部，制动钳固定在电机外壳上，制动盘安装在转子支架上。The brake is installed inside the hub motor, the brake caliper is fixed on the motor housing, and the brake disc is installed on the rotor bracket.
相对于现有技术，本发明具有如下优点和有益效果：Compared with the prior art, the present invention has the following advantages and beneficial effects:
(1)在轮毂电机运行过程中，转子的旋转直接带动了扇叶的旋转，促进空气流动完成风冷，并不需要外接电源等。(1) During the operation of the hub motor, the rotation of the rotor directly drives the rotation of the fan blades, which promotes air flow to complete air cooling, and does not require an external power supply.
(2)本发明结构简单，便于维修和管理。(2) The present invention has a simple structure and is convenient for maintenance and management.
(3)本发明利用扇叶的结构设计了转子支架，使得转子支架的重量得以减轻的同时起到了支撑和散热的作用。(3) The present invention utilizes the structure of the fan blade to design the rotor bracket, so that the weight of the rotor bracket can be reduced, and at the same time, it plays the role of support and heat dissipation.
附图说明Description of drawings
图1是整体结构示意图Figure 1 is a schematic diagram of the overall structure
图2是A-A视图Figure 2 is A-A view
图3是B-B视图Figure 3 is the B-B view
图中：1.轮胎 2.轮辋 3.电机外壳 3-1.电机外壳侧壁 4.定子铁芯及绕组 5.磁钢 6.转子 7.转子支架 8.轴承 9.电机支撑轴 10.扇叶 11.双头螺柱 12.定位销 13.制动器 14.螺钉 15.电机外壳通风口In the figure: 1. Tire 2. Wheel rim 3. Motor casing 3-1. Motor casing side wall 4. Stator core and winding 5. Magnetic steel 6. Rotor 7. Rotor bracket 8. Bearing 9. Motor support shaft 10. Fan Leaf 11. Stud 12. Locating pin 13. Brake 14. Screw 15. Motor housing vent
具体实施方式detailed description
下面结合附图对本发明做详细描述。The present invention will be described in detail below in conjunction with the accompanying drawings.
实施实例1Implementation Example 1
下面结合附图对本发明作进一步详细的说明，但本发明的实施方式不限于此。The present invention will be described in further detail below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.
如图一所示的采用风冷的冷却方式的轮毂电机驱动系统,主要包括了轮胎1、轮辋2、电机外壳3、定子铁芯及绕组4、磁钢5、转子6、转子支架7、电机支撑轴9、扇叶10、制动器13、电机外壳通风口15。轮辋2通过双头螺柱11固定在转子支架上，并由轴承8支撑在电机轴9上。电机外壳3通过螺钉14连接在电机轴9上，电机外壳侧壁3-1通过螺钉与电机外壳3相连。电机外壳3及电机外壳侧壁3-1通过轴承8与转子支架7连接，形成密封空间，使得轮毂电机的定子4、转子6、磁钢5不受外界环境的干扰，保护其密封性和电磁特性。转子支架7通过轴承8与电机轴9相连。制动器13安装在轮毂电机内部，分别固定在电机外壳3和转子支架7上，以满足对制动性能的要求。As shown in Figure 1, the in-wheel motor drive system using air-cooled cooling method mainly includes tire 1, rim 2, motor casing 3, stator core and winding 4, magnetic steel 5, rotor 6, rotor bracket 7, motor The support shaft 9, the fan blade 10, the brake 13, and the vent 15 of the motor casing. The rim 2 is fixed on the rotor bracket through the studs 11, and is supported on the motor shaft 9 by the bearing 8. The motor casing 3 is connected to the motor shaft 9 through screws 14, and the side wall 3-1 of the motor casing is connected to the motor casing 3 through screws. The motor casing 3 and the side wall 3-1 of the motor casing are connected to the rotor bracket 7 through the bearing 8 to form a sealed space, so that the stator 4, the rotor 6, and the magnetic steel 5 of the in-wheel motor are not disturbed by the external environment, and their sealing and electromagnetic properties are protected. characteristic. The rotor bracket 7 is connected to the motor shaft 9 through a bearing 8 . The brake 13 is installed inside the hub motor and fixed on the motor housing 3 and the rotor bracket 7 respectively, so as to meet the requirements for braking performance.
如图一、图三所示，风冷的冷却结构体现在转子支架7上，其由扇叶10进行支撑，转子支架7在旋转的同时扇叶10也进行着旋转，达到促进空气流动的目的。同时电机外壳3上也有通风口15以提供通风，如图二所示。由于只有由电机外壳3与转子支架7组成的密闭空间，其他部分都可以进行空气的流动。As shown in Figure 1 and Figure 3, the air-cooled cooling structure is embodied on the rotor bracket 7, which is supported by fan blades 10. While the rotor bracket 7 is rotating, the fan blades 10 are also rotating to achieve the purpose of promoting air flow. . At the same time, the motor casing 3 also has a vent 15 to provide ventilation, as shown in Figure 2. Since there is only a closed space formed by the motor casing 3 and the rotor bracket 7, other parts can carry out air flow.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063505.8A CN106411047A (en) | 2016-11-28 | 2016-11-28 | Hub motor driving system with air cooling mode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611063505.8A CN106411047A (en) | 2016-11-28 | 2016-11-28 | Hub motor driving system with air cooling mode |
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| CN106411047A true CN106411047A (en) | 2017-02-15 |
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| CN201611063505.8A Pending CN106411047A (en) | 2016-11-28 | 2016-11-28 | Hub motor driving system with air cooling mode |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075603A (en) * | 2017-12-26 | 2018-05-25 | 清华大学苏州汽车研究院（吴江） | Wheel hub motor |
| CN108599451A (en) * | 2018-06-27 | 2018-09-28 | 沈阳工业大学 | A kind of augmentation of heat transfer structure of hub motor for electric automobile |
| WO2020220835A1 (en) * | 2019-04-30 | 2020-11-05 | 新疆金风科技股份有限公司 | Cooling system, motor and wind turbine generator set |
| CN114274762A (en) * | 2022-01-17 | 2022-04-05 | 中国第一汽车股份有限公司 | Integrated structure of hub motor, steering knuckle and brake |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4107962A1 (en) * | 1990-03-23 | 1991-09-26 | Valeo Equip Electr Moteur | AC generator for automobile - has permanent magnet rotor with axial and radial cooling |
| CN1623265A (en) * | 2002-01-30 | 2005-06-01 | 约翰尼斯·弗雷德里克·威塞尔斯 | Electric motor drive assembly and its use in hybrid vehicles |
| CN200951715Y (en) * | 2006-10-09 | 2007-09-26 | 上海燃料电池汽车动力系统有限公司 | Inner rotor type integrated electric wheel structure of four wheel driving fuel battery automobile |
| CN201041974Y (en) * | 2007-02-07 | 2008-03-26 | 熊巨藩 | A dual protrusion pole axial magnetic field permanent magnetic electromotor |
| CN101224701A (en) * | 2008-02-15 | 2008-07-23 | 任海 | Wheel boss motor power wheel |
| CN101263642A (en) * | 2005-09-16 | 2008-09-10 | 西门子公司 | motor with permanent magnets |
| CN102007676A (en) * | 2008-04-18 | 2011-04-06 | 创动机产业株式会社 | Outer-rotor type motor and outer-rotor type in-wheel motor |
| CN102673380A (en) * | 2012-01-18 | 2012-09-19 | 华南理工大学 | Built-in and suspension integrated hub motor drive electric wheel |
| CN205336028U (en) * | 2015-12-31 | 2016-06-22 | 南京康尼精密机械有限公司 | In -wheel motor brake |
| CN105939079A (en) * | 2014-10-11 | 2016-09-14 | 浙江兆丰机电股份有限公司 | Ventilation and heat-dissipation structure of electric vehicle in-wheel motor |
-
2016
- 2016-11-28 CN CN201611063505.8A patent/CN106411047A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4107962A1 (en) * | 1990-03-23 | 1991-09-26 | Valeo Equip Electr Moteur | AC generator for automobile - has permanent magnet rotor with axial and radial cooling |
| CN1623265A (en) * | 2002-01-30 | 2005-06-01 | 约翰尼斯·弗雷德里克·威塞尔斯 | Electric motor drive assembly and its use in hybrid vehicles |
| CN101263642A (en) * | 2005-09-16 | 2008-09-10 | 西门子公司 | motor with permanent magnets |
| CN200951715Y (en) * | 2006-10-09 | 2007-09-26 | 上海燃料电池汽车动力系统有限公司 | Inner rotor type integrated electric wheel structure of four wheel driving fuel battery automobile |
| CN201041974Y (en) * | 2007-02-07 | 2008-03-26 | 熊巨藩 | A dual protrusion pole axial magnetic field permanent magnetic electromotor |
| CN101224701A (en) * | 2008-02-15 | 2008-07-23 | 任海 | Wheel boss motor power wheel |
| CN102007676A (en) * | 2008-04-18 | 2011-04-06 | 创动机产业株式会社 | Outer-rotor type motor and outer-rotor type in-wheel motor |
| CN102673380A (en) * | 2012-01-18 | 2012-09-19 | 华南理工大学 | Built-in and suspension integrated hub motor drive electric wheel |
| CN105939079A (en) * | 2014-10-11 | 2016-09-14 | 浙江兆丰机电股份有限公司 | Ventilation and heat-dissipation structure of electric vehicle in-wheel motor |
| CN205336028U (en) * | 2015-12-31 | 2016-06-22 | 南京康尼精密机械有限公司 | In -wheel motor brake |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075603A (en) * | 2017-12-26 | 2018-05-25 | 清华大学苏州汽车研究院（吴江） | Wheel hub motor |
| CN108599451A (en) * | 2018-06-27 | 2018-09-28 | 沈阳工业大学 | A kind of augmentation of heat transfer structure of hub motor for electric automobile |
| WO2020220835A1 (en) * | 2019-04-30 | 2020-11-05 | 新疆金风科技股份有限公司 | Cooling system, motor and wind turbine generator set |
| US11984790B2 (en) | 2019-04-30 | 2024-05-14 | Xinjiang Goldwind Science & Technology Co., Ltd. | Cooling system, electric motor and wind-power electric generator set |
| CN114274762A (en) * | 2022-01-17 | 2022-04-05 | 中国第一汽车股份有限公司 | Integrated structure of hub motor, steering knuckle and brake |
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Application publication date: 20170215 |
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