CONTACTOR, AND DEVICE AND METHOD FOR CONTROLLING SAME

Title:

CONTACTOR, AND DEVICE AND METHOD FOR CONTROLLING SAME

Document Type and Number:

WIPO Patent Application WO/2021/121401

Kind Code:

A1

Abstract:

A contactor, and a device and method for controlling same. The control device comprises a high-side control unit (110), a first low-side control unit (130), a second low-side control unit (135), a flyback unit (150), and a controller (155). The high-side control unit (110) is configured to make or break connections between a first magnetic unit (120) and a second magnetic unit (125) of the contactor and a power supply (105). The first low-side control unit (130) is configured to make or break a connection between the first magnetic unit (120) and a reference voltage node (115). The second low-side control unit (135) is configured to make or break a connection between the second magnetic unit (125) and the reference voltage node (115). The flyback unit (150) is connected across a branch comprising the first magnetic unit (120) and the first low-side control unit (130), and connected across a branch comprising the second magnetic unit (125) and the second low-side control unit (135). The controller (155) is configured to control operation of the high-side control unit (110), the first low-side control unit (130), and the second low-side control unit (135). Intelligent control to the contactor can be achieved using simple control logic.

Inventors:

WANG JIEZHAO (CN)
GEFFROY VINCENT (CN)
MAO ZIFANG (CN)
JIA YONGPENG (CN)

Application Number:

PCT/CN2020/137701

Publication Date:

June 24, 2021

Filing Date:

December 18, 2020

Export Citation:

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Assignee:

SCHNEIDER ELECTRIC IND SAS (FR)
WANG JIEZHAO (CN)

International Classes:

H01H47/32; H01H47/02; H02M7/537

Foreign References:

CN104868770A	2015-08-26
CN209461383U	2019-10-01
CN201698964U	2011-01-05
CN205487948U	2016-08-17
US20160314919A1	2016-10-27

Other References: