公开(公告)号：US11488790B2

公开(公告)日：2022-11-01

申请号：US17172157

申请日：2021-02-10

Applicant: ABB Schweiz AG

Inventor： Congming Yan ,  Xingjie Chen ,  Liqun Huang ,  Huihuang Yang ,  Ziying Xiao

IPC: H01H9/26 ,  H01H71/02 ,  H01H71/10 ,  H02B11/133 ,  H02H7/22

Abstract: Embodiments of the present disclosure relate to a switch device, comprising: a first three-position switch; a second three-position switch disposed below the first three-position switch; a circuit breaker disposed between the first three-position switch and the second three-position switch. A first interlock unit is disposed above the circuit breaker and connected to the circuit breaker and the first three-position switch, and configured to block a manual operation of the first three-position switch in a closed state of the circuit breaker, and configured to block a manual closing operation of the circuit breaker while the first three-position switch is manually operated in an open state of the circuit breaker. A second interlock unit is disposed below the circuit breaker and connected to the circuit breaker and the second three-position switch, and is configured to block a manual operation of the second three-position switch in the closed state of the circuit breaker, and configured to block a manual closing operation of the circuit breaker while the second three-position switch is manually operated in the open state of the circuit breaker.

公开(公告)号：US20220172908A1

公开(公告)日：2022-06-02

申请号：US17172157

申请日：2021-02-10

Applicant: ABB Schweiz AG

Inventor： Congming Yan ,  Xingjie Chen ,  Liqun Huang ,  Huihuang Yang ,  Ziying Xiao

IPC: H01H9/26 ,  H02H7/22 ,  H01H71/10 ,  H02B11/133 ,  H01H71/02

Abstract: Embodiments of the present disclosure relate to a switch device, comprising: a first three-position switch; a second three-position switch disposed below the first three-position switch; a circuit breaker disposed between the first three-position switch and the second three-position switch. A first interlock unit is disposed above the circuit breaker and connected to the circuit breaker and the first three-position switch, and configured to block a manual operation of the first three-position switch in a closed state of the circuit breaker, and configured to block a manual closing operation of the circuit breaker while the first three-position switch is manually operated in an open state of the circuit breaker. A second interlock unit is disposed below the circuit breaker and connected to the circuit breaker and the second three-position switch, and is configured to block a manual operation of the second three-position switch in the closed state of the circuit breaker, and configured to block a manual closing operation of the circuit breaker while the second three-position switch is manually operated in the open state of the circuit breaker.