Title:
EC MOTOR
Document Type and Number:
WIPO Patent Application WO/2021/223363
Kind Code:
A1
Abstract:
An EC motor, which relates to the field of electric motors. The EC motor comprises an ECM body (1) and an ECM controller (2) which is detachably connected to the ECM body (1). The ECM controller (2) comprises a controller outer cover (201), a bus capacitor (202), a capacitor fixing holder (203) and a control circuit board (204), wherein the bus capacitor (202) is detachably fixed in a capacitor recess (20101) by means of the capacitor fixing holder (203), and is detachably electrically connected to the control circuit board (204); a silicon sheet (205) is provided between the bus capacitor (202) and a cover wall of the controller outer cover (201) to conduct heat; and a thermistor (206) is provided in the capacitor recess (20101), and is connected to the control circuit board (204). By means of the detachable structure, the bus capacitor (202) can be conveniently replaced and mounted, and the service life of the EC motor is prolonged by means of the convenient replacement of the bus capacitor (202), temperature monitoring, and an improvement in the heat conduction effect thereof.
Inventors:
YU YIFENG (CN)
JIANG ZE (CN)
WEI JUNYAN (CN)
YUAN ZHIJUN (CN)
JIANG ZE (CN)
WEI JUNYAN (CN)
YUAN ZHIJUN (CN)
Application Number:
PCT/CN2020/119471
Publication Date:
November 11, 2021
Filing Date:
September 30, 2020
Export Citation:
Assignee:
WOLONG ELECTRIC GROUP CO LTD (CN)
International Classes:
H02K11/30; H01G2/02
Foreign References:
| CN202221954U | 2012-05-16 | |||
| CN207732579U | 2018-08-14 | |||
| CN111446822A | 2020-07-24 | |||
| CN108282057A | 2018-07-13 | |||
| CN209593217U | 2019-11-05 | |||
| CN210405834U | 2020-04-24 | |||
| US20180006520A1 | 2018-01-04 |
Attorney, Agent or Firm:
HANGZHOU YUYANG UNIONPATENT AGENCY CO., LTD. (CN)
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