Title:
ARC EXTINGUISHING EXHAUST SYSTEM FOR MINIATURE CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2017/206578
Kind Code:
A1
Abstract:
An arc extinguishing exhaust system for a miniature circuit breaker, comprising a base (1), an arc extinguishing chamber (2), and an upper cover (3). A middle baffle plate (4) is provided between the base and the upper cover, and located at an exhaust port (21) of the arc extinguishing chamber; the middle baffle plate divides the exhaust port into upper and lower exhaust ports which are respectively a first exhaust port (211) and a second exhaust port (212); a first baffle plate (5) and a second baffle plate (6) are respectively provided between the middle baffle plate and the base and between the middle baffle plate and the upper cover; the first baffle plate and the second baffle plate are respectively provided close to the corresponding first exhaust port and second exhaust port; a first exhaust groove (51) and a second exhaust groove (61) are respectively provided on the first baffle plate and the second baffle plate. By means of the arc extinguishing exhaust system, spatial layout is optimized and the arc extinguishing exhaust effect is improved.
Inventors:
WANG LIANGHUA (CN)
Application Number:
PCT/CN2017/077955
Publication Date:
December 07, 2017
Filing Date:
March 24, 2017
Export Citation:
Assignee:
YUEQING YEWEI ELECTRIC CO LTD (CN)
International Classes:
H01H73/18; H01H9/36
Foreign References:
| CN205657037U | 2016-10-19 | |||
| CN105845524A | 2016-08-10 | |||
| CN201829383U | 2011-05-11 | |||
| CN1477666A | 2004-02-25 | |||
| CN1498411A | 2004-05-19 | |||
| CN86104487A | 1987-01-07 | |||
| US3997746A | 1976-12-14 |
Attorney, Agent or Firm:
WENZHOU OUYUE PATENT AGENTS CO., LTD (CN)
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