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Patent Searching and Data


Title:
ARC EXTINGUISHING CIRCUIT AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/233151
Kind Code:
A1
Abstract:
Provided are an arc extinguishing circuit and device, and in particular an arc extinguishing circuit and device suitable for performing arc extinction to a mechanical switch. The arc extinguishing circuit is composed of a first switch (S1) and a second switch (S2). The first switch (S1) and the second switch (S2) form a first series circuit. During the breaking process of a mechanical switch (K), a power supply supplies power to a load (M) through the first series circuit for performing an arc extinction to the mechanical switch (K); there are one or more than one mechanical switches (K), loads (M) and second switches (S2); the first switch (S1) is a fully-controlled switch, and the second switch (S2) is a semi-controlled switch. The present application has the advantages of simple circuit and stable arc extinguishing pulse, fast response and high reliability.

Inventors:
GUO QIAOSHI (CN)
Application Number:
CN2020/071792
Publication Date:
November 26, 2020
Filing Date:
January 13, 2020
Export Citation:
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Assignee:
GUO QIAOSHI (CN)
International Classes:
H02J1/12
Foreign References:
CN104638633A2015-05-20
CN104638633A2015-05-20
CN204242870U2015-04-01
CN205407772U2016-07-27
CN109003851A2018-12-14
JP2006296080A2006-10-26
JPH1169624A1999-03-09
Attorney, Agent or Firm:
GUANGZHOU HAIXIN UNION PATENT LAW OFFICE (CN)
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