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Patent Searching and Data


Title:
BLDC ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/169842
Kind Code:
A1
Abstract:
Disclosed is a BLDC electric motor, comprising an electric motor body and a controller, wherein a front end of the electric motor body extends out of a rotary shaft, and a tail end of the electric motor body is connected to the controller; the electric motor body comprises a housing, a front end cover, a rear end cover, a stator assembly, a rotor assembly and the rotary shaft; the front end cover and the rear end cover are respectively mounted at two ends of the housing, and the stator assembly and the rotor assembly are mounted in a cavity of the housing; a magnetic ring is mounted on the rotor assembly; the rear end cover thereof comprises a base plate, a bearing seat protruding in a direction from the center of the base plate to the controller, and an annular boss raised at the periphery of the base plate; an annular groove is formed between the annular boss and the bearing seat; a through hole is provided in the groove; a Hall fixing frame is mounted in the groove; a Hall circuit board is mounted on the Hall fixing frame; and a Hall element on the Hall circuit board extends into the electric motor body through the through hole and is located next to the magnetic ring. The Hall circuit board is convenient to install, and the rear cover and the Hall fixing frame are less prone to deformation, avoiding the angle deviation of the Hall element.

Inventors:
ZHAO, Yuansheng (Shalang Town No.3 Industrial Area, West DistrictZhongshan, Guangdong 0, 528400, CN)
CHEN, Yanli (Shalang Town No.3 Industrial Area, West DistrictZhongshan, Guangdong 0, 528400, CN)
GUO, Liewei (Shalang Town No.3 Industrial Area, West DistrictZhongshan, Guangdong 0, 528400, CN)
Application Number:
CN2018/104246
Publication Date:
September 12, 2019
Filing Date:
September 05, 2018
Export Citation:
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Assignee:
ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD (Shalang Town No.3 Industrial Area, West DistrictZhongshan, Guangdong 0, 528400, CN)
International Classes:
H02K29/08; H02K7/00; H02K11/215
Foreign References:
CN108233660A2018-06-29
CN108233660A2018-06-29
CN206977292U2018-02-06
CN206977292U2018-02-06
CN204497942U2015-07-22
CN204497942U2015-07-22
CN206211729U2017-05-31
CN202334087U2012-07-11
CN106357041A2017-01-25
CN203206013U2013-09-18
Attorney, Agent or Firm:
ZHONGSHAN HANTONG INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (Shop card 13 & 14, Ground Floor Building 2-8,Cuiyuan Street, Xinxing Garden, East Distric, Zhongshan Guangdong 0, 528400, CN)
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