Title:
異常検出装置
Document Type and Number:
Japanese Patent JP6999235
Kind Code:
B2
Abstract:
To provide a structure capable of grasping a wiring state at a load side of a main circuit in a state where a breaker is turned off.SOLUTION: An abnormality detection device 1 comprises: a current output unit 11 which causes a current to flow to a circuit; a current measuring circuit unit 12 including a sensor 14 capable of measuring a current of each of phases that is caused to flow by the current output unit; and a detection unit 13 capable of detecting abnormality of the circuit from a measurement result of the sensor in the current measuring circuit unit. While a contact 31 of a main cable run is in an OFF state, the current measuring circuit unit is connected with a cable run at a load side, and a current is caused to flow from the current output unit to the circuit.SELECTED DRAWING: Figure 3
Inventors:
Kao Nakashio
Application Number:
JP2018059569A
Publication Date:
January 18, 2022
Filing Date:
March 27, 2018
Export Citation:
Assignee:
Nitto Kogyo Co., Ltd.
International Classes:
H02B1/40; H01H73/02; H01H83/02
Domestic Patent References:
| JP2044264A | ||||
| JP2009081929A | ||||
| JP2001349920A | ||||
| JP8273514A |
Attorney, Agent or Firm:
Patent Business Corporation Najima Patent Office