Title:
LEAKAGE PROTECTION DEVICE AND DISTRIBUTION BOARD
Document Type and Number:
WIPO Patent Application WO/2021/014808
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to achieve minimization. This leakage protection device (1) is provided with a plurality of opening and closing units (2), a board (B1), a leakage detection unit (3), and a driving unit (4). The plurality of opening and closing units (2) correspond one-to-one to a plurality of contact point units (P0) inserted in electric paths (L1-L3) having a plurality of phases. The leakage detection unit (3) detects the leakage pertaining to the conductive paths (L1-L3) having the plurality of phases. The driving unit (4) operates in response to the detection result of the leakage by the leakage detection unit (3) and opens the plurality of contact point units (P0). The plurality of opening and closing units (2) are arranged in parallel in one direction, and form a first opening and closing unit (U1). Any one and the remaining two among the board (B1), the leakage detection unit (3), and the driving unit (4) are separately arranged on both sides of the first opening and closing unit (U1) in one direction.
Inventors:
HARADA WATARU
NAKAMICHI YOSHIYA
YAMAZOE KOICHI
NAKAMICHI YOSHIYA
YAMAZOE KOICHI
Application Number:
PCT/JP2020/022872
Publication Date:
January 28, 2021
Filing Date:
June 10, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01H83/02; H02B1/42
Foreign References:
| JP2017076554A | 2017-04-20 | |||
| JP2007317362A | 2007-12-06 | |||
| JP2007172980A | 2007-07-05 | |||
| JPH08264097A | 1996-10-11 |
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
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