Title:
SWITCH GEAR
Document Type and Number:
Japanese Patent JP2021013254
Kind Code:
A
Abstract:
To provide a switch gear equipped with a ground switchgear having an interlock mechanism that can be applied even when the specifications of a circuit breaker, a housing, etc. that make up the switch gear change.SOLUTION: An operation shaft that operates the grounding or ungrounding operation of a grounding switch by rotating around the shaft is erected so as to extend the side of the circuit breaker forward from the grounding switch arranged in a cable chamber, and an interlock module having an operation shaft handle insertion part that inserts an operation shaft handle connected to the operation shaft to rotate the operation shaft is provided on the side of the circuit breaker, and the interlock module includes a shutter provided in the operation shaft handle insertion part, and a key operation unit that enables opening and closing of the shutter, and the key operation unit is operated by a key that fixes the circuit breaker at the breaking position, and the key cannot be removed from the key operation unit when the grounding switch is grounded.SELECTED DRAWING: Figure 1
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| JP5237407 | Circuit breaker plug interlock device |
| JP2010288372 | LOCKING DEVICE FOR DRAWER-TYPE POWER DISTRIBUTION APPARATUS |
| WO/1988/001107 | CLOSED SWITCHBOARD |
Inventors:
KOZURU SUSUMU
MAEDA TAICHI
OTSUBO TAKATOSHI
MAEDA TAICHI
OTSUBO TAKATOSHI
Application Number:
JP2019126674A
Publication Date:
February 04, 2021
Filing Date:
July 08, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02B11/133; H02B1/16
Domestic Patent References:
| JP2015035855A | 2015-02-19 | |||
| JPS55100634U | 1980-07-12 | |||
| JPS6383904U | 1988-06-01 | |||
| JPH02193506A | 1990-07-31 | |||
| JPH1146410A | 1999-02-16 |
Foreign References:
| WO2008087723A1 | 2008-07-24 |
Attorney, Agent or Firm:
Fukami patent office