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Patent Searching and Data


Title:
CLAMP SENSOR AND MEASUREMENT DEVICE
Document Type and Number:
Japanese Patent JP2016142640
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To accurately detect an amount to be detected.SOLUTION: A clamp sensor includes: a pair of cores 13a, 13b constituting an annular body R in a closed state in which first engagement parts 121a, 121b provided in respective base end parts 111a, 111b and second engagement parts 122a, 122b provided in respective top end parts 112a, 112b are engaged each other; and a Hall element 15 installed in any region of the annular body R and detecting an amount to be detected generated in the annular body R. The core 13a is formed longer than a length dividing the annular body R in two equal parts. The Hall element 15 is installed at a position separated away by the length dividing the annular body R in two equal parts along a length direction to the base end part 111a from the top end part 112a in the core 13a. A third engagement part 123 formed in the same form as the engagement state of the first engagement parts 121a, 121b is provided at a position separated away by a predetermined distance to the top end part 112a from the installed position of the Hall element 15 in the core 13a.SELECTED DRAWING: Figure 6

Inventors:
KODAMA HIKARU
NAKAYAMA ATSUSHI
Application Number:
JP2015018937A
Publication Date:
August 08, 2016
Filing Date:
February 03, 2015
Export Citation:
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Assignee:
HIOKI ELECTRIC WORKS
International Classes:
G01R1/22
Foreign References:
US2842739A1958-07-08
US2834941A1958-05-13
US3199026A1965-08-03
Attorney, Agent or Firm:
Shinji Sakai