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Title:
ENCODER AND SERVO SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/040209
Kind Code:
A1
Abstract:
An encoder, comprising a stator assembly (1) and a rotor assembly (2), wherein the stator assembly (1) comprises a mounting plate (11) and a circuit board (12) mounted on one side surface of the mounting plate (11), the circuit board (12) being provided with a plurality of magnetic sensors (13) distributed in a circumferential direction; the rotor assembly (2) comprises a rotor disk (21) coaxially arranged with the mounting plate (11), the rotor disk (21) being located on one side of the mounting plate (11) in an axial direction, the rotor disk (21) being rotatable relative to the mounting plate (11), and the rotor disk (21) being provided with a plurality of magnetic pole portions (21a) distributed in the circumferential direction corresponding to a side surface of the circuit board (12); and the plurality of magnetic sensors (13) are used to sense changes in a magnetic field in order to generate sensing signals. Further disclosed is a servo system having the encoder.

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Inventors:
JIANG JIKAI (CN)
ZHAO XIAOAN (CN)
HU YIMING (CN)
YAN TIANTIAN (CN)
Application Number:
PCT/CN2022/079050
Publication Date:
March 23, 2023
Filing Date:
March 03, 2022
Export Citation:
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Assignee:
MIDEA WELLING MOTOR TECH SHANGHAI CO LTD (CN)
GUANDONG MEDIA INTELLIGENT TECH CO LTD (CN)
SERVOTRONIX MOTION TECH DEVELOPMENT SHENZHEN LTD (CN)
International Classes:
G01D5/244
Foreign References:
CN113701790A2021-11-26
CN215639495U2022-01-25
CN113607194A2021-11-05
CN215374010U2021-12-31
CN110401435A2019-11-01
CN204361860U2015-05-27
CN104583727A2015-04-29
CN208901457U2019-05-24
CN102826164A2012-12-19
EP1132709A22001-09-12
Attorney, Agent or Firm:
CENFO INTELLECTUAL PROPERTY AGENCY (CN)
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