Title:
電源監視システム
Document Type and Number:
Japanese Patent JP6797468
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a power distribution board for making it possible to externally grasp an operation cause of a trunk breaker such as power distribution abnormality.SOLUTION: A power supply monitoring system 1 is made to comprise: a trunk breaker 21; a seismometric relay 33 for transmitting an interruption signal to the trunk breaker after a predetermined time after detecting acceleration within a predetermined range; a determination unit for counting a fixed time after the seismometric relay detects acceleration within the predetermined range; an abnormality detection unit for detecting electric abnormality of electric leakage and/or overcurrent at the time of the counting; a storage unit for storing detection information when abnormality is detected by the abnormality detection unit; and an output unit 36 for outputting information in the storage unit to the outside.SELECTED DRAWING: Figure 1
Inventors:
Hiroshi Suzuki
Matsuyuki Masayuki
Matsuyuki Masayuki
Application Number:
JP2016181111A
Publication Date:
December 09, 2020
Filing Date:
September 16, 2016
Export Citation:
Assignee:
Nitto Kogyo Co., Ltd.
International Classes:
H02B1/40; H02B1/54; H02H3/08; H02H5/00
Domestic Patent References:
| JP2015207387A | ||||
| JP2015195646A | ||||
| JP2012042417A | ||||
| JP2006158011A | ||||
| JP2011259678A |
Attorney, Agent or Firm:
Patent Business Corporation Najima Patent Office