Title:
ひずみゲージを用いた温度測定装置
Document Type and Number:
Japanese Patent JP6535367
Kind Code:
B2
Abstract:
There is provided a device for measuring a temperature of a metal object itself without being affected by an ambient temperature. A first invention provides a device for measuring a temperature of a metal object using at least one strain gauge, wherein the at least one strain gauge is attached to the metal object and a linear expansion coefficient of the strain gauge is different from a linear expansion coefficient of the metal object. A second invention provides a device for measuring a temperature of a metal object using two strain gauges, wherein the two strain gauges are attached to the metal object, directions of grids of the two strain gauges coincide with each other, a Wheatstone bridge circuit is formed using the two strain gauges, a linear expansion coefficient of a first strain gauge of the two strain gauges is larger than the linear expansion coefficient of the metal object and the linear expansion coefficient of a second strain gauge of the two strain gauges is smaller than the linear expansion coefficient of the metal object.
Inventors:
Satoshi Sato
Masateru Kobayashi
Masateru Kobayashi
Application Number:
JP2017106219A
Publication Date:
June 26, 2019
Filing Date:
May 30, 2017
Export Citation:
Assignee:
MinebeaMitsumi Co., Ltd.
International Classes:
G01K5/52
Domestic Patent References:
| JP57103002A | ||||
| JP495737A |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima