WO2020098175A1 - 一种电机 - Google Patents

一种电机 Download PDF

Info

Publication number
WO2020098175A1
WO2020098175A1 PCT/CN2019/076280 CN2019076280W WO2020098175A1 WO 2020098175 A1 WO2020098175 A1 WO 2020098175A1 CN 2019076280 W CN2019076280 W CN 2019076280W WO 2020098175 A1 WO2020098175 A1 WO 2020098175A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor assembly
casing
plate
windshield
air
Prior art date
Application number
PCT/CN2019/076280
Other languages
English (en)
French (fr)
Inventor
熊华云
Original Assignee
中山大洋电机股份有限公司
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 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Publication of WO2020098175A1 publication Critical patent/WO2020098175A1/zh

Links

Images

Classifications

    • 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
    • H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/32—Rotating parts of the magnetic circuit 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
    • H02K9/02—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

Definitions

  • the utility model relates to a motor.
  • the existing motor includes a rotating shaft, a rotor assembly, a stator core, a coil winding, a casing, two end covers, and several bolts.
  • the rotating shaft is installed on the rotor assembly, and the stator core and the casing are installed together and nested in the rotor assembly Outside, the coil winding is wound and installed on the stator core, the two end covers are installed on both ends of the casing, and bolts pass through the two end covers and the outer edges of the stator core to lock the two end covers respectively Installed on the two ends of the casing, the two ends of the rotating shaft are supported on the bearings of the two end caps, one end of the rotor assembly protrudes a number of wind blades, the rotor assembly is provided with a number of heat dissipation through holes, through the rotor assembly The heat dissipation through-holes allow the airflow to circulate in the motor.
  • the purpose of the utility model is to provide a motor, which solves the technical problem that the airflow in the prior art can not be circulated and circulated inside the motor, causing most of the heat to remain in the motor and fail to achieve the ideal heat dissipation effect.
  • a motor includes a rotating shaft, a rotor assembly, a stator core, a coil winding, a casing, two end covers, and a number of bolts.
  • the rotating shaft is installed on the rotor assembly, and the stator core and casing are installed together and nested in the rotor assembly Outside, the coil winding is wound and installed on the stator core, the two end covers are installed on both ends of the casing, and bolts pass through the two end covers and the outer edges of the stator core to lock the two end covers respectively It is installed on both ends of the casing, and the two ends of the rotating shaft are supported on the bearings of the two end covers.
  • the rotor assembly is provided with a number of heat dissipation through holes, and the rotor assembly is provided with a number of wind blades on one end surface.
  • the upper and lower ends are respectively provided with an air outlet hole and an air inlet hole, which is characterized in that: a first windshield plate is provided above the wind blade, a central hole is provided in the middle of the first windshield plate, and the rotary shaft is sleeved through the central hole
  • the first wind deflector includes a circular plate body, a central hole is provided in the middle of the circular plate body, and the outer edge of the circular plate body extends upward to extend a first annular slant plate.
  • the diameter of the first wind deflector is less than or equal to the diameter of the rotor assembly.
  • the second wind deflector includes a first annular top plate, an outer edge of the first annular top plate extends downward from a second annular sloping plate, and an inner edge of the first annular top plate extends downward from a third annular sloping plate.
  • the bottom of the second ring-shaped inclined plate is provided with a flange.
  • the first annular inclined plate and the second annular inclined plate are parallel.
  • the bottom edge of the second ring-shaped inclined plate is provided with several notches along the circumferential direction, and the notches correspond to the bolts.
  • the utility model includes a rotating shaft, a rotor assembly, a stator core, a coil winding, a casing, two end covers and several bolts.
  • the rotating shaft is installed on the rotor assembly, and both ends of the rotating shaft are supported on the bearings of the two end covers,
  • the rotor assembly is provided with a plurality of heat dissipation through holes, one end surface of the rotor assembly is provided with a plurality of wind blades, and the upper and lower ends of the casing are provided with air outlet holes and air inlet holes, respectively.
  • a first wind deflector is provided on the surface to form a centrifugal exhaust, a center hole is provided in the middle of the first wind deflector, the central hole is sleeved on the rotating shaft, and the top surface of the first wind deflector is provided between the end cover
  • There is a second wind deflector the second wind deflector is installed in the casing and on the top of the air outlet, the edge of the second wind deflector is provided with a flange, and the outer side wall of the flange
  • the inner wall of the casing is closely fitted, and the airflow can be directed to the sides or upwards of the motor casing through the first windshield.
  • the air outlet is located at the bottom of the second windshield, and the second baffle plate will exit the airflow Diversion at the tuyere to circulate the air flow inside the motor, effectively improving the heat dissipation inside the motor fruit;
  • the second wind deflector includes a first annular top plate, the outer edge of the first annular top plate extends downward from the second annular sloping plate, and the inner edge of the first annular top plate extends downward from the third annular sloping plate.
  • the bottom of the second ring-shaped inclined plate is provided with a flange, and a deflector is formed between the first ring-shaped top plate, the first ring-shaped inclined plate and the second ring-shaped inclined plate, and the air outlet is located at the bottom of the first ring-shaped inclined plate. It is discharged at the air outlet of the motor to effectively improve the heat dissipation effect inside the motor;
  • the first ring-shaped inclined plate and the second ring-shaped inclined plate are parallel, which can better circulate the air flow in the motor and can effectively improve the internal heat dissipation effect of the motor.
  • Figure 1 is a perspective view of the utility model
  • Figure 3 is a partial schematic view of the utility model
  • FIG. 5 is a schematic structural view of the second wind deflector of the present invention.
  • FIG. 7 is a cross-sectional view of A-A in FIG. 6;
  • FIG. 8 is a partial enlarged view of B in FIG. 7;
  • FIG. 9 is a schematic diagram of the air flow of the motor of the present invention.
  • Embodiment 1 As shown in FIGS. 1-9, this embodiment is a motor including a rotating shaft 1, a rotor assembly 2, a stator core 3, a coil winding 4, a casing 5, two end covers 6, and a number of bolts 7.
  • the rotating shaft 1 is installed on the rotor assembly 2, the stator core 3 and the casing 5 are installed together and nested outside the rotor assembly 2, the coil winding 4 is wound and installed on the stator core 3, and the two end covers 6 are respectively Installed on both ends of the casing 5, bolts 7 are passed through the outer edges of the two end covers 6 and the stator core 3 to lock the two end covers 6 on the two ends of the casing 5 and the two ends of the rotating shaft 1 respectively Supported on the bearings 61 of the two end covers 6, the rotor assembly 2 is provided with a number of heat dissipation through holes 21, one end surface of the rotor assembly 2 is provided with a number of wind blades 22, and the upper and lower ends of the casing 52 There are an
  • the first wind deflector 8 includes a circular plate body 81.
  • a central hole 80 is provided in the middle of the circular plate body 81, and the outer edge of the circular plate body 8 extends upward from the first annular inclined plate 82.
  • the diameter of the first wind deflector 8 is less than or equal to the diameter of the rotor assembly 2.
  • the second windshield 9 includes a first annular top plate 91, an outer edge of the first annular top plate 91 extends downward from a second annular sloping plate 92, and an inner edge of the first annular top plate 91 extends downward from a third annular
  • the inclined plate 93 is provided with a flange 90 on the bottom of the second annular inclined plate 92.
  • the first annular inclined plate 82 and the second annular inclined plate 92 are parallel.
  • a plurality of notches 921 are provided on the bottom edge of the second annular swash plate 92 along the circumferential direction, and the notches 921 correspond to the bolts 7.
  • the end cover 6 at the bottom of the motor is provided with a plurality of openings 62.
  • the working principle of the present invention As shown in FIG. 9, the direction indicated by the arrow is the direction of airflow.
  • a number of wind blades 22 on one end face of the rotor assembly 2 rotate with it, forming an axial flow of airflow.
  • the plate 9 can better guide the airflow to the air outlet 52B, thereby speeding up the flow of the airflow, improving the heat dissipation efficiency, and reducing the turbulence of the airflow inside the motor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

本实用新型公开了一种电机，包括转轴、转子组件、定子铁芯、线圈绕组、机壳、两个端盖和若干螺栓，转子组件上设有若干个散热通孔，转子组件的一端面上设有若干风叶片，机壳的上端和下端分别设有进风孔和出风孔，风叶片的顶面上设有第一挡风板形成离心排风，第一挡风板中间设有中心孔，中心孔套设于转轴上，第一挡风板的顶面与端盖之间设有第二挡风板，第二挡风板安装在机壳内且安装在出风孔的顶部上，第二挡风板边缘设有翻边，翻边的外侧壁与机壳的内壁之间紧密贴合，通过第一挡风板可以将气流往电机机壳两侧或往上导流，出风口位于第二挡风板的底部，第二挡板板将气流外出风口处导流，使电机内部气流循环流通，有效提高电机内部的散热效果。

Description

一种电机 技术领域：
本实用新型涉及一种电机。
背景技术：
现有的电机包括转轴、转子组件、定子铁芯、线圈绕组、机壳、两个端盖和若干螺栓，转轴安装在转子组件上，定子铁芯和机壳安装在一起并嵌套在转子组件外面，线圈绕组卷绕安装在定子铁芯上，两个端盖分别安装在机壳两端，螺栓从两个端盖和定子铁芯的外侧边缘上穿过以把两个端盖分别锁紧安装在机壳两端，转轴两端分别支撑在两个端盖的轴承上，所述转子组件的一端面上凸出若干风叶片，转子组件上设有若干个散热通孔，通过转子组件的散热通孔使气流在电机流通，当转子组件转动时带动端面上的风叶片转动，带动了两端空间空气的散热，该结构将电机内部的两端进行散热，气流没有可以在电机内部循环流通，导致大部分的热量还存留在电机内部里，达不到理想的散热效果。
发明内容：
本实用新型的目的是提供一种电机，解决现有技术中气流没有可以在电机内部循环流通，导致大部分的热量还存留在电机内部里，达不到理想的散热效果的技术问题。
本实用新型的目的是通过下述技术方案予以实现的。
一种电机，包括转轴、转子组件、定子铁芯、线圈绕组、机壳、两个端盖和若干螺栓，转轴安装在转子组件上，定子铁芯和机壳安装在一起并嵌套在转子组件外面，线圈绕组卷绕安装在定子铁芯上，两个端盖分别安装在机壳两端，螺栓从两个端盖和定子铁芯的外侧边缘上穿过以把两个端盖分别锁紧安装在机壳两端，转轴两端分别支撑在两个端盖的轴承上，转子组件上设有若干个散热通孔，所述转子组件的一端面上设有若干风叶片，所述机壳的上端和下端分别设有出风孔和进风孔，其特征在于：所述风叶片的上方设有第一挡风板，第一挡风板中间设有中心孔，通过中心孔套装于转轴上，所述第一挡风板与端盖之 间设有第二挡风板，所述第二挡风板安装在机壳内，第二挡风板位于出风孔的上方，所述第二挡风板边缘设有翻边，所述翻边的外侧壁与机壳的内壁之间紧密贴合。
所述第一挡风板包括圆板本体，圆板本体的中间开设有中心孔，圆板本体的外边缘往上延伸出第一环形斜板。
所述第一挡风板的直径小于或等于转子组件的直径。
所述第二挡风板包括第一环形顶板，第一环形顶板的外边缘往下延伸出第二环形斜板，第一环形顶板的内边缘上往下延伸出第三环形斜板，所述第二环形斜板的底部上设有翻边。
所述第一环形斜板和第二环形斜板之间是平行的。
所述第二环形斜板底部边缘沿圆周方向设有若干个缺口，所述缺口与螺栓是对应的。
本实用新型与现有技术相比，具有如下效果：
1)本实用新型包括转轴、转子组件、定子铁芯、线圈绕组、机壳、两个端盖和若干螺栓，转轴安装在转子组件上，转轴两端分别支撑在两个端盖的轴承上，转子组件上设有若干个散热通孔，所述转子组件的一端面上设有若干风叶片，所述机壳的上端和下端分别设有出风孔和进风孔，所述风叶片的顶面上设有第一挡风板形成离心排风，第一挡风板中间设有中心孔，通过中心孔套设于转轴上，所述第一挡风板的顶面与端盖之间设有第二挡风板，所述第二挡风板安装在机壳内且安装在出风孔的顶部上，所述第二挡风板边缘设有翻边，所述翻边的外侧壁与机壳的内壁之间紧密贴合，通过第一挡风板可以将气流往电机机壳两侧或往上导流，出风口位于第二挡风板的底部，第二挡板板将气流外出风口处导流，使电机内部气流循环流通，有效提高电机内部的散热效果；
2)第二挡风板包括第一环形顶板，第一环形顶板的外边缘往下延伸出第二环形斜板，第一环形顶板的内边缘上往下延伸出第三环形斜板，所述第二环形斜板的底部上设有翻边，第一环形顶板、第一环形斜板和第二环形斜板之间形 成导流板，出风口位于第一环形斜板的底部，可以将气流在电机的出风孔排出，有效提高电机内部的散热效果；
3)第一环形斜板和第二环形斜板之间是平行的，可以将气流在电机更好的循环流通，可以有效提高电机内部散热效果。
附图说明：
图1是本实用新型的立体图
图2是本实用新型的另一角度立体图；
图3是本实用新型的局部结构示意图；
图4是本实用新型的立体分解图；
图5是本实用新型中第二挡风板的结构示意图；
图6是本实用新型的正视图；
图7是图6中A-A的剖视图；
图8是图7中B的局部放大图；
图9是本实用新型电机的空气气流示意图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一：如图1至图9所示，本实施例是一种电机，包括转轴1、转子组件2、定子铁芯3、线圈绕组4、机壳5、两个端盖6和若干螺栓7，转轴1安装在转子组件2上，定子铁芯3和机壳5安装在一起并嵌套在转子组件2外面，线圈绕组4卷绕安装在定子铁芯3上，两个端盖6分别安装在机壳5两端，螺栓7从两个端盖6和定子铁芯3的外侧边缘上穿过以把两个端盖6分别锁紧安装在机壳5两端，转轴1两端分别支撑在两个端盖6的轴承61上，转子组件2上设有若干个散热通孔21，所述转子组件2的一端面上设有若干风叶片22，所述机壳52的上端和下端分别设有进风孔52A和出风孔52B，其特征在于：所述风叶片22的上方设有第一挡风板8，第一挡风板8中间设有中心孔80，通过中心孔80套设于转轴1上，所述第一挡风板8的顶面与端盖6之间设有第二挡风 板9，所述第二挡风板9安装在机壳5内且安装在出风孔52B的顶部上，所述第二挡风板9边缘设有翻边90，所述翻边90的外侧壁901与机壳5的内壁51之间紧密贴合。
所述第一挡风板8包括圆板本体81，圆板本体81的中间开设有中心孔80，圆板本体8的外边缘往上延伸出第一环形斜板82。
所述第一挡风板8的直径小于或等于转子组件2的直径。
所述第二挡风板9包括第一环形顶板91，第一环形顶板91的外边缘往下延伸出第二环形斜板92，第一环形顶板91的内边缘上往下延伸出第三环形斜板93，所述第二环形斜板92的底部上设有翻边90。
所述第一环形斜板82和第二环形斜板92之间是平行的。
所述第二环形斜板92底部边缘沿圆周方向设有若干个缺口921，所述缺口921与螺栓7是对应的。
所述电机底部端盖6上设有若干开孔62。
本实用新型的工作原理：如图9所示，箭头所示方向是气流流向，电机转动时，转子组件2的一端面上若干风叶片22随之转动，形成气流轴流流动，机壳5外部的冷空气从机壳52的下端的进风孔52A和电机底部的端盖6开孔62进入电机，并从转子组件2上设有若干个散热通孔21流向风叶片22，由于在风叶片22的上方设有第一挡风板8阻挡气流的轴向流动，即形成离心气流，离心气流流向电机的机壳5的内壁出风孔52B，由于出风孔52B的上方设置第二挡风板9，可以更好地将气流导向出风孔52B，从而加快气流的流动，提高散热效率，减少气流在电机内部紊流。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内。

Claims (6)

  1. 一种电机，包括转轴(1)、转子组件(2)、定子铁芯(3)、线圈绕组(4)、机壳(5)、两个端盖(6)和若干螺栓(7)，转轴(1)安装在转子组件(2)上，定子铁芯(3)和机壳(5)安装在一起并嵌套在转子组件(2)外面，线圈绕组(4)卷绕安装在定子铁芯(3)上，两个端盖(6)分别安装在机壳(5)两端，螺栓(7)从两个端盖(6)和定子铁芯(3)的外侧边缘上穿过以把两个端盖(6)分别锁紧安装在机壳(5)两端，转轴(1)两端分别支撑在两个端盖(6)的轴承(61)上，转子组件(2)上设有若干个散热通孔(21)，所述转子组件(2)的一端面上设有若干风叶片(22)，所述机壳(52)的上端和下端分别设有出风孔(52B)和进风孔(52A)，其特征在于：所述风叶片(22)的上方设有第一挡风板(8)，第一挡风板(8)中间设有中心孔(80)，通过中心孔(80)套装于转轴(1)上，所述第一挡风板(8)与端盖(6)之间设有第二挡风板(9)，所述第二挡风板(9)安装在机壳(5)内，第二挡风板(9)位于出风孔(52B)的上方，所述第二挡风板(9)边缘设有翻边(90)，所述翻边(90)的外侧壁(901)与机壳(5)的内壁(51)之间紧密贴合。
  2. 根据权利要求1所述的一种电机，其特征在于：所述第一挡风板(8)包括圆板本体(81)，圆板本体(81)的中间开设有中心孔(80)，圆板本体(8)的外边缘往上延伸出第一环形斜板(82)。
  3. 根据权利要求2所述的一种电机，其特征在于：所述第一挡风板(8)的直径小于或等于转子组件(2)的直径。
  4. 根据权利要求1或2或3所述的一种电机，其特征在于：所述第二挡风板(9)包括第一环形顶板(91)，第一环形顶板(91)的外边缘往下延伸出第二环形斜板(92)，第一环形顶板(91)的内边缘上往下延伸出第三环形斜板(93)，所述第二环形斜板(92)的底部上设有翻边(90)。
  5. 根据权利要求4所述的一种电机，其特征在于：所述第一环形斜板(82)和第二环形斜板(92)之间是平行的。
  6. 根据权利要求5所述的一种电机，其特征在于：所述第二环形斜板(92)底部边缘沿圆周方向设有若干个缺口(921)，所述缺口(921)与螺栓(7)是对应的。
PCT/CN2019/076280 2018-11-12 2019-02-27 一种电机 WO2020098175A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821853272.6U CN209072171U (zh) 2018-11-12 2018-11-12 一种电机
CN201821853272.6 2018-11-12

Publications (1)

Publication Number Publication Date
WO2020098175A1 true WO2020098175A1 (zh) 2020-05-22

Family

ID=67098543

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/076280 WO2020098175A1 (zh) 2018-11-12 2019-02-27 一种电机

Country Status (2)

Country Link
CN (1) CN209072171U (zh)
WO (1) WO2020098175A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111835124A (zh) * 2020-07-29 2020-10-27 江苏嘉轩智能工业科技股份有限公司 一种带有逆止装置的永磁电动滚筒
CN113539627A (zh) * 2021-07-06 2021-10-22 苏州天铭磁业有限公司 一种散热效率高的高频变压高电感值高磁导率铁氧体磁芯
CN117097064A (zh) * 2023-10-20 2023-11-21 浙江麦迪制冷科技股份有限公司 一种新型ec无刷电机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0948116A2 (de) * 1998-03-31 1999-10-06 ATB Austria Antriebstechnik Aktiengesellschaft Elektromotor mit Luftkühlung
CN103746485A (zh) * 2013-12-24 2014-04-23 上海电机系统节能工程技术研究中心有限公司 一种永磁同步电机的转子冷却结构
CN106160340A (zh) * 2016-08-13 2016-11-23 中车永济电机有限公司 一种永磁电机全封闭强迫通风冷却结构
CN108023441A (zh) * 2017-12-18 2018-05-11 卧龙电气集团股份有限公司 一种新型电机风路结构

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0948116A2 (de) * 1998-03-31 1999-10-06 ATB Austria Antriebstechnik Aktiengesellschaft Elektromotor mit Luftkühlung
CN103746485A (zh) * 2013-12-24 2014-04-23 上海电机系统节能工程技术研究中心有限公司 一种永磁同步电机的转子冷却结构
CN106160340A (zh) * 2016-08-13 2016-11-23 中车永济电机有限公司 一种永磁电机全封闭强迫通风冷却结构
CN108023441A (zh) * 2017-12-18 2018-05-11 卧龙电气集团股份有限公司 一种新型电机风路结构

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111835124A (zh) * 2020-07-29 2020-10-27 江苏嘉轩智能工业科技股份有限公司 一种带有逆止装置的永磁电动滚筒
CN113539627A (zh) * 2021-07-06 2021-10-22 苏州天铭磁业有限公司 一种散热效率高的高频变压高电感值高磁导率铁氧体磁芯
CN117097064A (zh) * 2023-10-20 2023-11-21 浙江麦迪制冷科技股份有限公司 一种新型ec无刷电机
CN117097064B (zh) * 2023-10-20 2024-02-13 浙江麦迪制冷科技股份有限公司 一种ec无刷电机

Also Published As

Publication number Publication date
CN209072171U (zh) 2019-07-05

Similar Documents

Publication Publication Date Title
WO2021196516A1 (zh) 一种外转子电机
KR20040104772A (ko) 터보팬 및 이를 갖춘 공기조화기
CN101451541B (zh) 离心风扇
JP2006230155A (ja) 回転電機
TWI587610B (zh) 馬達之散熱結構
CN204615543U (zh) 一种带挡雨板的电机
WO2020098175A1 (zh) 一种电机
CN116231932A (zh) 一种全封闭自通风式电机冷却结构
CN205154744U (zh) 离心式涡轮风叶及应用其的电机和食品搅拌机
CN219372164U (zh) 一种降噪效果好的无刷电机
JP4559812B2 (ja) 電動送風機
WO2023165249A1 (zh) 矿用隔爆型三相永磁同步滚筒
CN105570991A (zh) 轴流柜机
CN110649766A (zh) 一种双吸分流式超高效电机
CN214850855U (zh) 一种带散热结构的电机
KR100611011B1 (ko) 공조기의 터보팬
CN210531228U (zh) 一种多翼离心风机的叶轮及浴霸
CN110630538A (zh) 风扇
WO2018201813A1 (zh) 涵道风扇
CN204190560U (zh) 一种电机的冷却装置
CN209819688U (zh) 吊顶式空调室内机
WO2023071015A1 (zh) 一种外转子电机
CN202579319U (zh) 发动机驱动式发电机及其电机风扇
CN117543894A (zh) 一种永磁同步电机
JP5831595B2 (ja) ファン

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19885604

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19885604

Country of ref document: EP

Kind code of ref document: A1