JPS6082240U - Eddy current temperature measuring device - Google Patents

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図は従来の渦電流式測度測定装置を示す構成図、第
２図ａ、　ｂは第１図における検出コイルを示し第２図
ａは正面図、第２図すは側面図、第３図ａ、　ｂは本考
案による渦電流式温度測定装置の検出コイルの一実施例
を示し第３図ａは正面図、第３図すは側面図、第４図は
同実施例の作用を説明するための特性図である。 ３・・・発振回路、４・・・周波数カウンタ、５・・・
検出コイル。Fig. 1 is a configuration diagram showing a conventional eddy current type measurement device, Fig. 2 a and b show the detection coil in Fig. 1, Fig. 2 a is a front view, Fig. 2 is a side view, and Fig. 3 is a side view. Figures a and b show an embodiment of the detection coil of the eddy current temperature measuring device according to the present invention. Figure 3a is a front view, Figure 3 is a side view, and Figure 4 explains the operation of the same embodiment. FIG. 3...Oscillation circuit, 4...Frequency counter, 5...
detection coil.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 扁平なリング状に形成され被測定回転体の軸方向にその
長手方向を一致させ且つ上記被測定回転体の周面に臨ん
で配置される渦電流の検出コイルと、この検出コイルの
インピーダンス変化に応じてその発振周波数が変化する
発振回路と、この発振回路の発振周波数を計数しその計
数値に基づいて上記被測定回転体の表面温度を算出する
周波数カウンタとからなる渦電流式温度測定装置。An eddy current detection coil formed in a flat ring shape and arranged with its longitudinal direction aligned with the axial direction of the rotating body to be measured and facing the circumferential surface of the rotating body to be measured; An eddy current type temperature measurement device comprising an oscillation circuit whose oscillation frequency changes accordingly, and a frequency counter that counts the oscillation frequency of the oscillation circuit and calculates the surface temperature of the rotating body to be measured based on the counted value.