WO2022088545A1 - 电动车风冷散热动力系统及电动车 - Google Patents

电动车风冷散热动力系统及电动车 Download PDF

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Publication number
WO2022088545A1
WO2022088545A1 PCT/CN2021/075036 CN2021075036W WO2022088545A1 WO 2022088545 A1 WO2022088545 A1 WO 2022088545A1 CN 2021075036 W CN2021075036 W CN 2021075036W WO 2022088545 A1 WO2022088545 A1 WO 2022088545A1
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Prior art keywords
air
electric vehicle
box body
motor
power system
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PCT/CN2021/075036
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English (en)
French (fr)
Inventor
衡攀攀
陈清付
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广东高标电子科技有限公司
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Publication of WO2022088545A1 publication Critical patent/WO2022088545A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J50/00—Arrangements specially adapted for use on cycles not provided for in main groups B62J1/00 - B62J45/00
    • B62J50/30—Means for ventilation within devices provided on the cycle, e.g. ventilation means in a battery container
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
    • H05K7/20863—Forced ventilation, e.g. on heat dissipaters coupled to components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the present application relates to the technical field of electric vehicles, for example, to an air-cooled heat dissipation power system for an electric vehicle and an electric vehicle.
  • the electric vehicle controller is generally installed in a nearly closed environment. When the electric vehicle is running, the controller will heat up, but the controller can only be cooled naturally. If the heat is not discharged in time, the controller will stop working when the heat continues to rise, that is, the electric vehicle The car will be difficult to climb, stop and so on.
  • the present application provides an air-cooled heat dissipation power system for an electric vehicle, which has good heat dissipation effect, can ensure the stability of the power system of the electric vehicle, avoid difficult climbing or shutdown, and is convenient for installation and maintenance.
  • the present application provides an electric vehicle.
  • the stability of the power system of the electric vehicle can be ensured, and the phenomenon of difficult climbing or shutdown can be avoided.
  • An embodiment provides an air-cooled heat dissipation power system for an electric vehicle, including:
  • a box body, the two sides of the box body are respectively provided with an air inlet and an air outlet;
  • a controller arranged in the box body
  • the motor and the controller are arranged in the box along the connection direction of the air inlet and the air outlet, and the air inlet end of the motor faces the air inlet, and the motor is provided with an exhaust fan
  • the fan blade can be rotated to suck the outside air into the box body and discharge the air inside the box body.
  • An embodiment provides an electric vehicle, including the above-mentioned air-cooling and heat-dissipating power system for the electric vehicle.
  • FIG. 1 is a schematic perspective view of a first electric vehicle air-cooled heat dissipation power system provided by an embodiment of the present application
  • FIG. 2 is a schematic structural diagram of a controller provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a motor provided by an embodiment of the present application.
  • FIG. 4 is a schematic perspective view of a second electric vehicle air-cooled heat dissipation power system provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of an electric vehicle air cooling and heat dissipation power system installed on an electric vehicle according to an embodiment of the present application.
  • connection should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements.
  • connection may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements.
  • a first feature "on” or “under” a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them.
  • the first feature being “above”, “over” and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature is “below”, “below” and “below” the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.
  • the present embodiment provides an air-cooled heat dissipation power system for an electric vehicle, including a box body 1, a controller 2 and a motor 3, and two sides of the box body 1 are respectively provided with an air inlet 11 and an outlet The air outlet 12; the controller 2 is arranged in the box body 1; the motor 3 and the controller 2 are arranged in the box body 1 along the connection direction of the air inlet 11 and the air outlet 12, and the air inlet end of the motor 3 faces the air inlet 11 , the motor 3 is provided with a ventilation blade 32, the ventilation blade 32 can rotate to suck the outside air into the box body 1, and discharge the air in the box body 1, so as to realize the air cooling and heat dissipation of the controller 2 and the motor 3.
  • the motor 3 further includes a casing 31 and a shroud 33 .
  • the casing 31 is fixed in the box body 1 , and the suction blades 32 are rotatably arranged in the casing 31 .
  • the flow hood 33 is provided with the air inlet end of the casing 31 .
  • the motor 3 can make the air in the box 1 flow, so as to realize air cooling and heat dissipation.
  • the shroud 33 enables the wind entering the box body 1 to smoothly enter the motor 3 .
  • the cross-sectional shape of the box body 1 is an inverted U shape, so as to facilitate the flow of air in the box body 1 .
  • the box body 1 is provided with a baffle plate 13, and the baffle plate 13 is provided with a through hole 131.
  • the baffle plate 13 divides the inner cavity of the box body 1 into two interconnected accommodating cavities, And the controller 2 and the motor 3 are respectively arranged in the two accommodating cavities. Disposing the controller 2 and the motor 3 separately and independently can reduce the influence of the heat generated by the motor 3 on the controller 2 and ensure that the controller 2 and the motor 3 can dissipate heat independently.
  • the air inlet end of the motor 3 is directly connected to the through hole 131 on the baffle 13, and the controller 2 is arranged at the air inlet end of the motor 3 to ensure that all the wind passing through the controller 2 can enter smoothly. Motor 3 to ensure air cooling effect.
  • the wind When riding, under the action of the motor 3, the wind enters the accommodating cavity where the controller 2 is placed from the air inlet 11 of the box body 1 to cool and dissipate the air to the controller 2, and then enters the motor 3 from the shroud 33 of the motor 3. Inside, the heat dissipation of the motor 3 is realized, and finally the air is discharged from the air outlet 12 of the box body 1 .
  • the heat dissipation teeth 21 of the controller 2 are facing the air inlet 11 of the box body 1, which can improve the effect of air cooling and heat dissipation.
  • the baffle 13 is not provided in the box body 1 , and the air inlet end of the motor 3 is directly communicated with the air inlet 11 of the box body 1 , and the controller 2 is arranged on the motor 3 . the air outlet.
  • the outside air enters the box body 1 through the air inlet 11 of the box body 1, firstly, the motor 3 is cooled and dissipated by air, and then the controller 2 is cooled and dissipated, and finally the heat is discharged from the air outlet 12. discharge.
  • the cooling teeth 21 of the controller 2 face the air outlet end of the motor 3 .
  • the air inlet 11 and the air outlet 12 are both grid-type air vents, which can prevent sundries from entering the box body 1 while ensuring the ventilation effect.
  • this embodiment also provides an electric vehicle, including an air-cooling and heat-dissipating power system for the electric vehicle.
  • an electric vehicle including an air-cooling and heat-dissipating power system for the electric vehicle.
  • the electric vehicle further includes a seat 100 , the box body 1 is arranged below the seat 100 , and the air inlet 11 of the box body 1 and the air outlet 12 of the box body 1 are located on the left and right sides of the seat 100 respectively. , so that the outside air can enter from one side of the left and right sides of the electric vehicle and be discharged from the other side, so as to ensure the air flow efficiency and improve the heat dissipation effect.
  • the air-cooling and heat-dissipating power system for an electric vehicle includes a box body 1, a controller 2 and a motor 3. Air inlets 11 and air outlets 12 are respectively provided on both sides of the box body 1; the controller 2 is arranged in the box body 1. The motor 3 and the controller 2 are arranged in the box 1 along the connection direction of the air inlet 11 and the air outlet 12, and the air inlet end of the motor 3 faces the air inlet 11.
  • the 32 can be rotated to suck the outside air into the box body 1, and discharge the air in the box body 1, so as to realize the air cooling and heat dissipation of the controller 2 and the motor 3, and the heat dissipation effect is good, which can ensure the stability of the power system of the electric vehicle , to avoid difficulty in climbing or downtime, and to facilitate installation and maintenance.
  • the electric vehicle provided by the present application can ensure the stability of the power system of the electric vehicle by applying the above-mentioned electric vehicle air-cooled heat dissipation power system, and avoid the phenomenon of difficult climbing or shutdown.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

一种电动车风冷散热动力系统及电动车，电动车风冷散热动力系统包括盒体 (1)、控制器 (2) 和电机 (3)，盒体 (1) 的两侧分别设置有进风口 (11) 和出风口(12); 控制器 (2) 设置在盒体 (1) 内; 电机 (3) 与控制器 (2) 沿进风口 (11) 和出风口 (12) 的连线方向排列设置在盒体 (1) 内，且电机 (3) 的进风端朝向进风口 (11)，电机 (3) 内设置有抽风叶片 (32)，抽风叶片 (32) 能够转动以将外界的空气吸入盒体 (1) 内，并将盒体 (1) 内的空气排出。

Description

电动车风冷散热动力系统及电动车
本申请要求申请日为2020年10月26日、申请号为202011158694.3的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及电动车技术领域，例如涉及一种电动车风冷散热动力系统及电动车。
背景技术
目前，电动车控制器一般安装在近乎密闭环境中，电动车运行时控制器会发热，而控制器只能自然冷却，如果热量未及时排出，当热量持续升温时控制器会停止工作，即电动车会出现爬坡困难、停机现象等。
发明内容
本申请提供一种电动车风冷散热动力系统，散热效果好，能够保证电动车的动力系统稳定，避免发生爬坡困难或停机现象，且便于安装维护。
本申请提供一种电动车，通过应用上述电动车风冷散热动力系统，能够保证电动车的动力系统稳定，避免发生爬坡困难或停机现象。
一实施例提供了一种电动车风冷散热动力系统，包括：
盒体，所述盒体的两侧分别设置有进风口和出风口；
控制器，设置在所述盒体内；
电机，与所述控制器沿所述进风口和所述出风口的连线方向排列设置在所述盒体内，且所述电机的进风端朝向所述进风口，所述电机内设置有抽风叶片，所述抽风叶片能够转动以将外界的空气吸入所述盒体内，并将所述盒体内的空气排出。
一实施例提供了一种电动车，包括如上所述的电动车风冷散热动力系统。
附图说明
图1为本申请实施例提供的第一种电动车风冷散热动力系统的透视示意图；
图2为本申请实施例提供的控制器的结构示意图；
图3为本申请实施例提供的电机的结构示意图；
图4为本申请实施例提供的第二种电动车风冷散热动力系统的透视示意图；
图5为本申请实施例提供的电动车风冷散热动力系统安装在电动车上的结构示意图。
附图标记：
100-座椅；
1-盒体；11-进风口；12-出风口；13-挡板；131-通孔；
2-控制器；21-散热齿；
3-电机；31-壳体；32-抽风叶片；33-导流罩。
具体实施方式
在本申请的描述中，除非另有明确的规定和限定，术语“相连”、“连接”、“固定”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本实施例的描述中，术语“上”、“下”、“左”、“右”等方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述和简化操作，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅仅用于在描述上加以区分，并没有特殊的含义。
如图1-图4所示，本实施例提供了一种电动车风冷散热动力系统，包括盒体1、控制器2和电机3，盒体1的两侧分别设置有进风口11和出风口12；控制器2设置在盒体1内；电机3与控制器2沿进风口11和出风口12的连线方向排列设置在盒体1内，且电机3的进风端朝向进风口11，电机3内设置有抽 风叶片32，抽风叶片32能够转动以将外界的空气吸入盒体1内，并将盒体1内的空气排出，从而实现对控制器2和电机3的风冷散热。
可选地，如图1和图3所示，电机3还包括壳体31和导流罩33，壳体31固定在盒体1内，抽风叶片32可转动地设置在壳体31内，导流罩33设置壳体31的进风端。
电机3作为动力源能够使盒体1内的空气流动，从而实现风冷散热。导流罩33能够使进入盒体1内的风能够顺利进入电机3内。
可选地，盒体1的横截面形状为倒U字型，以便于空气在盒体1内流动。
可选地，如图1所示，盒体1内设置有挡板13，挡板13上开设有通孔131，挡板13将盒体1的内腔分隔成两个相互连通的容纳腔，且控制器2和电机3分别设置在两个容纳腔中。将控制器2和电机3分开独立设置，能够减小电机3产生的热量对控制器2的影响，保证控制器2和电机3能够独立散热。
在一实施例中，电机3的进风端直接与挡板13上的通孔131相连通，且控制器2设置在电机3的进风端，确保经过控制器2的风能够全部顺利地进入电机3中，以保证风冷散热效果。
骑行时，在电机3的作用下，风从盒体1的进风口11进入放有控制器2的容纳腔对控制器2进行风冷散热，然后从电机3的导流罩33进入电机3内，实现对电机3的散热，最后空气由盒体1的出风口12排出。
可选地，控制器2的散热齿21正对着盒体1的进风口11，能够提高风冷散热效果。
在其他实施例中，如图4所示，盒体1内不设置挡板13，且将电机3的进风端直接与盒体1的进风口11相连通，且控制器2设置在电机3的出风端。在电机3的作用下，外界的空气由盒体1的进风口11进入盒体1内，先对电机3进行风冷散热，然后对控制器2进行风冷散热，最后将热量从出风口12排出。示例性地，控制器2的散热齿21正对着电机3的出风端。
示例性地，在本实施例中，进风口11和吹风口12均为栅格式通风口，在保证通风效果的同时，能够避免杂物进入盒体1内。
如图5所示，本实施例还提供了一种电动车，包括电动车风冷散热动力系统。该电动车通过应用上述电动车风冷散热动力系统，能够保证电动车的动力系统稳定，避免发生爬坡困难或停机现象。
在一实施例中，电动车还包括座椅100，盒体1设置在座椅100的下方，且 盒体1的进风口11和盒体1的出风口12分别位于座椅100的左右两侧，使外界的空气可以从电动车的左右两侧中的一侧进入，从另一侧排出，保证空气流动效率，提高散热效果。
本申请提供的电动车风冷散热动力系统，包括盒体1、控制器2和电机3，盒体1的两侧分别设置有进风口11和出风口12；控制器2设置在盒体1内；电机3与控制器2沿进风口11和出风口12的连线方向排列设置在盒体1内，且电机3的进风端朝向进风口11，电机3内设置有抽风叶片32，抽风叶片32能够转动以将外界的空气吸入盒体1内，并将盒体1内的空气排出，从而实现对控制器2和电机3的风冷散热，散热效果好，能够保证电动车的动力系统稳定，避免发生爬坡困难或停机现象，且便于安装维护。
本申请提供的电动车，通过应用上述电动车风冷散热动力系统，能够保证电动车的动力系统稳定，避免发生爬坡困难或停机现象。

Claims (10)

  1. 一种电动车风冷散热动力系统，包括：
    盒体(1)，所述盒体(1)的两侧分别设置有进风口(11)和出风口(12)；
    控制器(2)，设置在所述盒体(1)内；
    电机(3)，与所述控制器(2)沿所述进风口(11)和所述出风口(12)的连线方向排列设置在所述盒体(1)内，且所述电机(3)的进风端朝向所述进风口(11)，所述电机(3)内设置有抽风叶片(32)，所述抽风叶片(32)能够转动以将外界的空气吸入所述盒体(1)内，并将所述盒体(1)内的空气排出。
  2. 根据权利要求1所述的电动车风冷散热动力系统，其中，所述盒体(1)内设置有挡板(13)，所述挡板(13)上开设有通孔(131)，所述挡板(13)将所述盒体(1)的内腔分隔成两个相互连通的容纳腔，且所述控制器(2)和所述电机(3)分别设置在两个容纳腔中。
  3. 根据权利要求2所述的电动车风冷散热动力系统，其中，所述电机(3)的进风端直接与所述挡板(13)上的通孔(131)相连通，且所述控制器(2)设置在所述电机(3)的进风端。
  4. 根据权利要求3所述的电动车风冷散热动力系统，其中，所述控制器(2)的散热齿(21)正对所述盒体(1)的进风口(11)。
  5. 根据权利要求1所述的电动车风冷散热动力系统，其中，所述电机(3)的进风端直接与所述盒体(1)的进风口(11)相连通，且所述控制器(2)设置在所述电机(3)的出风端。
  6. 根据权利要求5所述的电动车风冷散热动力系统，其中，所述控制器(2)的散热齿(21)正对所述电机(3)的出风端。
  7. 根据权利要求1-6任一项所述的电动车风冷散热动力系统，其中，所述电机(3)包括壳体(31)、抽风叶片(32)和导流罩(33)，所述壳体(31)固定在所述盒体(1)内，所述抽风叶片(32)可转动地设置在所述壳体(31)内，所述导流罩(33)设置所述壳体(31)的进风端。
  8. 根据权利要求1-6任一项所述的电动车风冷散热动力系统，其中，所述盒体(1)的横截面形状为倒U字型。
  9. 一种电动车，包括如权利要求1-8任一项所述的电动车风冷散热动力系统。
  10. 根据权利要求9所述的电动车，还包括座椅(100)，所述盒体(1)设 置在所述座椅(100)的下方，且所述盒体(1)的进风口(11)和所述盒体(1)的出风口(12)分别位于所述座椅(100)的左右两侧。
PCT/CN2021/075036 2020-10-26 2021-02-03 电动车风冷散热动力系统及电动车 WO2022088545A1 (zh)

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