Title:
DRAWER TYPE CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2019/134633
Kind Code:
A1
Abstract:
A drawer type circuit breaker, comprising a drawer base (1) and a circuit breaker body (2); the circuit breaker body (2) is pushed in and pulled out of the drawer base (1), so that the circuit breaker body (2) is connected to and separated from a main circuit of the drawer base (1); a safety baffle (3) used for blocking a drawer base bus or bridge contact of the drawer base (1) is provided between the drawer base (1) and the circuit breaker body (2); a forward-and-backward displacement device (4) used for moving the safety baffle (3) towards the motion direction of the drawer base (1) is provided on the safety baffle (3) and the drawer base (1). According to the drawer type circuit breaker, the forward-and-backward displacement device (4) is provided on the safety baffle (3) and the drawer base (1), so that the safety baffle (3) can move forward and backward; the drawer base bus can extend out of the safety baffle (3); the bridge contact can be installed on the drawer base (1), and can also be installed on the circuit breaker body (2). Therefore, the installation position of the bridge contact is more flexible, and the connection of the main circuit is more stable and reliable.
Inventors:
LEI HONGJIAN (CN)
QIN ZHIBIN (CN)
GE JIANGBO (CN)
LI PENGQI (CN)
QIN ZHIBIN (CN)
GE JIANGBO (CN)
LI PENGQI (CN)
Application Number:
PCT/CN2019/070014
Publication Date:
July 11, 2019
Filing Date:
January 02, 2019
Export Citation:
Assignee:
ZHEJIANG CHINT ELECTRICS CO LTD (CN)
SEARI ELECTRIC TECHNOLOGY CO LTD (CN)
SEARI ELECTRIC TECHNOLOGY CO LTD (CN)
International Classes:
H02B11/24
Foreign References:
| US5486978A | 1996-01-23 | |||
| CN108173158A | 2018-06-15 | |||
| CN207967761U | 2018-10-12 | |||
| EP0577111A2 | 1994-01-05 | |||
| JPH04275005A | 1992-09-30 | |||
| CN102237651A | 2011-11-09 |
Attorney, Agent or Firm:
BEIJING JOYAN INTELLECTUAL PROPERTY OFFICE (CN)
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