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Title:
DETERMINATION DEVICE AND DETERMINATION METHOD
Document Type and Number:
WIPO Patent Application WO/2024/047840
Kind Code:
A1
Abstract:
This determination device (1) comprises an acquiring unit (10) that acquires the temperature or pressure inside a tank (50) of a circuit breaker (5), and a determining unit (20) that determines, on the basis of the temperature or pressure inside the tank, the presence of an arc that is generated accompanying vacuum deterioration of a vacuum valve (60) housed inside the tank. The determination device (1) is capable of suitably determining a change in the degree of vacuum in a vacuum container.

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WO/2016/035365VACUUM VALVE PRESSURE DIAGNOSTIC DEVICE OR VACUUM VALVE DEVICE
WO/2007/070700METHOD AND APPARATUS FOR THE DETECTION OF HIGH PRESSURE CONDITIONS IN A VACUUM-TYPE ELECTRICAL DEVICE
WO/2012/157134DEVICE FOR DETECTING DETERIORATION IN DEGREE OF VACUUM OF HERMETIC OPENING AND CLOSING DEVICE
Inventors:
IWASHIRO TAKESHI (JP)
HAYASHI TOSHIKI (JP)
OKI HIDETO (JP)
SAKAMOTO CHIAKI (JP)
Application Number:
PCT/JP2022/032943
Publication Date:
March 07, 2024
Filing Date:
September 01, 2022
Export Citation:
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Assignee:
NISSIN ELECTRIC CO LTD (JP)
International Classes:
H01H33/668; H02B13/065
Domestic Patent References:
WO2012157134A12012-11-22
WO2014091926A12014-06-19
Foreign References:
JPS63318034A1988-12-26
CN110491721A2019-11-22
JP2012150970A2012-08-09
CN102426076A2012-04-25
CN202110032U2012-01-11
US20150325394A12015-11-12
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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