ELECTRONIC CIRCUIT BREAKER - MITSUBISHI ELECTRIC CORP

Title:

ELECTRONIC CIRCUIT BREAKER

Document Type and Number:

WIPO Patent Application WO/2018/216167

Kind Code:

A1

Abstract:

The invention is characterized by comprising: an open-close contact point 2 for opening and closing an electrical path 1; a current detection device 3 for detecting a current in the electrical path 1; a first microcomputer 10 into which an output signal from the current detection device 3 is input, and which outputs an instantaneous tripping signal; a second microcomputer 20 which acquires from the first microcomputer 10 information on the current flowing in the electrical path 1, and which outputs a timed tripping signal; and a tripping device 8 for opening the open-close contact point 2 based on the instant tripping signal and the timed tripping signal, wherein the first microcomputer 10 sends a notification that a restart thereof has occurred, through a first port output 106a, to the second microcomputer 20, and the second microcomputer 20 sends a notification that a restart thereof has occurred, through a parallel communication 206b, to the first microcomputer 10.

Inventors:

HARADA KOKI (JP)
TAKIGAWA YUSUKE (JP)
NOMURA TOSHIMITSU (JP)
CHIKAI MASATAKA (JP)

Application Number:

PCT/JP2017/019552

Publication Date:

November 29, 2018

Filing Date:

May 25, 2017

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORP (JP)

International Classes:

H01H33/59; H01H9/54; H01H83/02; H02H3/08

Foreign References:

JP2002008510A	2002-01-11
JP2010092623A	2010-04-22
JPH08328891A	1996-12-13
JPH08331748A	1996-12-13
JP2001128354A	2001-05-11
JP2003044323A	2003-02-14
JPH08331748A	1996-12-13
JP2001128354A	2001-05-11
JP2003044323A	2003-02-14

Other References: