JPS6049404U

JPS6049404U - Displacement measuring device

Info

Publication number: JPS6049404U
Application number: JP14131883U
Authority: JP
Inventors: 矢嶋　輝夫
Original assignee: 株式会社ミツトヨ
Priority date: 1983-09-12
Filing date: 1983-09-12
Publication date: 1985-04-06
Also published as: JPH0249522Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の変位量測定装置の好適な実施例を示す
説明図、第２図は第１図に示す装置の電気回路図、第３
図は本考案の他の実施例を示す説明図である。２０．２２・・・測定アーム、２４．２６・・・差動ト
ランス、２８．３０・・・測定コア。FIG. 1 is an explanatory diagram showing a preferred embodiment of the displacement measuring device of the present invention, FIG. 2 is an electric circuit diagram of the device shown in FIG. 1, and FIG.
The figure is an explanatory diagram showing another embodiment of the present invention. 20.22...Measurement arm, 24.26...Differential transformer, 28.30...Measurement core.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

（１）差動トランスの測定コアと所定の検出部とを測定
アームで接続し、差動トランスの出力に基づき検出部の
変位量を測定する変位量測定装置において、異なる熱膨
張係数の測定アームを用いた２個の差動トランスを設け
、各トランス出力から測定アームの熱膨張測定誤差を比
較演算しトランス出力を補正することにより、温度変化
に係わりなく検出部の変位量を正確に測定することを特
徴とする変位量測定装置。(1) In a displacement measurement device that connects the measurement core of a differential transformer and a predetermined detection section with a measurement arm and measures the amount of displacement of the detection section based on the output of the differential transformer, measurement arms with different thermal expansion coefficients are used. By installing two differential transformers using two differential transformers, and calculating the thermal expansion measurement error of the measuring arm from each transformer output and correcting the transformer output, the amount of displacement of the detection part can be accurately measured regardless of temperature changes. A displacement measurement device characterized by:

（２）実用新案登録請求の範囲ｎ＋ｉ載の装置において
、各差動トランスは、検出部に対しその測定コアが測定
アームを介して縦列接続されたことを特徴とする変位量
測定装置。(2) Utility Model Registration The displacement measuring device according to claim n+i, characterized in that each differential transformer has its measuring core connected in series to the detecting section via a measuring arm.

（３）　　実用新案登録請求の範囲（１）記載の装置に
おいて、各差動トランスは、検出部に対しその測定コア
が測定アームを介して並列接続されたことを特徴とする
変位量測定装置。(3) Utility Model Registration The displacement measuring device according to claim (1), characterized in that each differential transformer has its measuring core connected in parallel to the detecting section via a measuring arm.

（４）実用新案登録請求の範囲（１）ないしく３）のい
ずれかの装置において、各差動トランスは、いずれか一
方の差動トランスの測定アームと同一の線膨張係数を示
す本体フレーム位置に取付固定されたことを特徴とする
変位量測定装置。(4) In any of the devices set forth in utility model registration claims (1) to 3), each differential transformer is located at a main body frame position exhibiting the same coefficient of linear expansion as the measurement arm of one of the differential transformers. A displacement measurement device characterized in that it is attached and fixed to.