Title:
ABNORMALITY DETECTION DEVICE
Document Type and Number:
Japanese Patent JP2019176549
Kind Code:
A
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
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Inventors:
NAKASHIO YOSHIO
Application Number:
JP2018059569A
Publication Date:
October 10, 2019
Filing Date:
March 27, 2018
Export Citation:
Assignee:
NITTO KOGYO KK
International Classes:
H02B1/40; H01H73/02; H01H83/02
Domestic Patent References:
| JPH0244264A | 1990-02-14 | |||
| JP2009081929A | 2009-04-16 | |||
| JP2001349920A | 2001-12-21 |
Attorney, Agent or Firm:
Patent Business Corporation Najima Patent Office