Title:
MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/192116
Kind Code:
A1
Abstract:
In the present invention, a cam part (22) is attached to a first location (111) on a measurement object (110). A moving part (24) is attached to a second location (112) on the measurement object (110) and is movable with respect to the cam part (22) in a direction in which the measurement object (110) extends and contracts. A strain part (25) is attached to the moving part (24) so as to fit along the measurement object (110) and is pressed against the cam part (22). The strain of the strain part (25) changes as the moving part (24) moves in conjunction with the extension and contraction of the measurement object (110). An optical fiber sensor (10) is attached to the strain part (25) and includes: a temperature measurement section (16) for measuring a temperature; and a strain measurement section (17) for measuring strain.
Inventors:
MIYASHITA MASAHIRO (JP)
UTSUMI SHIGERU (JP)
UTSUMI SHIGERU (JP)
Application Number:
PCT/JP2020/013451
Publication Date:
September 30, 2021
Filing Date:
March 25, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G01K11/32; G01B11/16
Domestic Patent References:
| WO2007043716A1 | 2007-04-19 |
Foreign References:
| JP2012088155A | 2012-05-10 | |||
| JP2002162211A | 2002-06-07 | |||
| JP2003065730A | 2003-03-05 | |||
| JP2013104700A | 2013-05-30 |
Other References:
See also references of EP 4130695A4
Attorney, Agent or Firm:
MIZOI INTERNATIONAL PATENT FIRM (JP)
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