Title:
APPARATUS FOR RELEASING ARC PRESSURE OF SWITCHGEAR AND SWITCHGEAR SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/109992
Kind Code:
A1
Abstract:
An apparatus (100) for releasing arc pressure of a switchgear and a switchgear system. The apparatus (100) comprises a foldable member (10) comprising a first plate (102) and a second plate (104) arranged on a plane structure (122) of the switchgear and spaced apart from each other and a plurality of plates coupled in series between the first plate (102) and the second plate (104), wherein each of the plurality of plates is rotatable with respect to adjacent plates such that the foldable member (10) is switchable between a folded state and an unfolded state, wherein in the unfolded state, the foldable member (10) together with the plane structure (122) form a duct structure, and wherein the foldable member (10) has a smaller thickness in the folded state than in the unfolded state; and fixing parts (20) each arranged at a joint between two adjacent plates and configured to fix the two adjacent plates when the foldable member (10) is in the unfolded state.
Inventors:
CHEN YANYUN (CN)
QIU XUEDONG (CN)
HUANG LIQUN (CN)
QIU XUEDONG (CN)
HUANG LIQUN (CN)
Application Number:
PCT/CN2020/132143
Publication Date:
June 02, 2022
Filing Date:
November 27, 2020
Export Citation:
Assignee:
ABB SCHWEIZ AG (CH)
CHEN YANYUN (CN)
QIU XUEDONG (CN)
HUANG LIQUN (CN)
CHEN YANYUN (CN)
QIU XUEDONG (CN)
HUANG LIQUN (CN)
International Classes:
H02B1/30; H02B1/56
Foreign References:
| CN201590606U | 2010-09-22 | |||
| US20120186166A1 | 2012-07-26 | |||
| CN103794988A | 2014-05-14 | |||
| CN207338942U | 2018-05-08 | |||
| CN208045968U | 2018-11-02 |
Attorney, Agent or Firm:
KING & WOOD MALLESONS (CN)
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