JPS5897522U - electromagnetic flow meter - 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 drawings]

第１図は本考案−実施例の電磁流量計の１対の電極を含
む面での断面図、第２図は第１図の励磁コイル部の拡大
図、第３図ａ、　　ｂおよび第４図ａ。 ｂはそれぞれ異なる励磁フィルの励磁方法とその時のホ
ール素子の出力とを示すグラフである。 １・・・・・・配管＞２・・・・・・電極、３・・・・
・・保温材、４ａ。 ４ｂ・・・・・・永久磁石、５・・・・・・継鉄、６・
・・・・・ホール素　　。 子、７・・・・・・励磁コイル。Fig. 1 is a cross-sectional view of the electromagnetic flowmeter of the present invention-example in a plane including a pair of electrodes, Fig. 2 is an enlarged view of the excitation coil section of Fig. 1, Figs. 3 a, b, and 4. Diagram a. b is a graph showing different excitation methods of excitation filters and the output of the Hall element at that time. 1... Piping > 2... Electrode, 3...
...Heat insulation material, 4a. 4b...Permanent magnet, 5...Yoke, 6.
...Hole element. Child, 7... Excitation coil.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] □流伴連する配管と、この配管の外側に管軸に直交する
直径軸線上に位置して植設され前記流体中に生起する起
電力を検出する１対の電極と、□　この１対の一極を結
ぶ線および前記流体と直交する磁束を発牢する１対の永
久磁石と、この永久磁石の磁界内に配置されその磁気量
を測定する磁気測定素子と、この素子を囲んで配置され
前記永久磁石の磁束六逆方向に磁束を発生する励磁コイ
ルとを具備してなる電磁流量計。□ A pipe connected to the flow, a pair of electrodes placed on the outside of this pipe on the diameter axis perpendicular to the pipe axis to detect the electromotive force generated in the fluid, □ This pair of electrodes a pair of permanent magnets that emit a magnetic flux perpendicular to a line connecting one pole and the fluid; a magnetic measuring element placed within the magnetic field of the permanent magnet to measure the amount of magnetism; and a magnetic measuring element placed surrounding this element. An electromagnetic flowmeter comprising an excitation coil that generates magnetic flux in the opposite direction of the magnetic flux of the permanent magnet.