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Patent Searching and Data


Title:
ELECTROMAGNETIC OPERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/235044
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an electromagnetic operation device that is able to quickly resume an opening/closing control even when an abnormality has occurred in a control board for controlling the opening/closing operation of a switch. This electromagnetic operation device (100) is provided with: an electromagnetic operation unit that is connected to the movable side of a switch (1) and opens and closes the switch (1); and a drive power supply unit that controls the supply of power to the electromagnetic operation unit (4) and controls the opening/closing operation of the switch (1). During normal conditions, the electromagnetic operation unit (4) and the drive power supply unit are connected by a connection circuit configured by connecting electromagnetic operation unit-side circuit connection means (16a1, 16b1) and a drive power supply unit-side circuit connection means. During an emergency, an emergency operation device (121), having a control board (18) for controlling the supply of power from a power supply unit (20) to the electromagnetic operation unit (4) and controlling the opening/closing operation of the switch (1), is connected to the electromagnetic operation unit-side circuit connection means (16a1, 16b1).

Inventors:
YOSHIDA TADAHIRO (JP)
TANAKA NAOKI (JP)
Application Number:
JP2019/020265
Publication Date:
November 26, 2020
Filing Date:
May 22, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01H33/666; H01H33/38
Domestic Patent References:
WO2014141901A12014-09-18
Foreign References:
JP2008277140A2008-11-13
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
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