JPH02124502U - - Google Patents

Info

Publication number
JPH02124502U
JPH02124502U JP3406589U JP3406589U JPH02124502U JP H02124502 U JPH02124502 U JP H02124502U JP 3406589 U JP3406589 U JP 3406589U JP 3406589 U JP3406589 U JP 3406589U JP H02124502 U JPH02124502 U JP H02124502U
Authority
JP
Japan
Prior art keywords
detection coil
coil
proximity sensor
excitation frequency
temperature characteristics
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3406589U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP3406589U priority Critical patent/JPH02124502U/ja
Publication of JPH02124502U publication Critical patent/JPH02124502U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Description

【図面の簡単な説明】
第1図は、近接センサの構造を示す断面図。第
2図は、本考案の近接センサにおける検出コイル
の励振周波数とQの値を示す図で、第2図aはコ
イル線径が0.11mmの時の温度特性を示す図、
第2図bはコイル線径が0.09mmの検出コイル
の温度特性を示す図、第2図cはコイル線径が1
.14mmの時の温度特性を示す図。第3図は、各
温度に対する検出距離の実測値を示す図。 1……検出コイル、2……フエライト磁心、3
……コイル、4……制御回路部、5……フエライ
ト磁心の面、6……検出物体、7……磁束、8…
…検出距離。

Claims (1)

    【実用新案登録請求の範囲】
  1. 磁性体からなる物体を非接触で検出する近接セ
    ンサにおいて、検出コイルの励振周波数は検出コ
    イルのQの最大の大きさを示す周波数より高い励
    振周波数とし、励振周波数に対する検出コイルの
    Qの温度特性を該コイルの線径で補正したことを
    特徴とする近接センサ用検出コイル。
JP3406589U 1989-03-24 1989-03-24 Pending JPH02124502U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3406589U JPH02124502U (ja) 1989-03-24 1989-03-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3406589U JPH02124502U (ja) 1989-03-24 1989-03-24

Publications (1)

Publication Number Publication Date
JPH02124502U true JPH02124502U (ja) 1990-10-15

Family

ID=31538215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3406589U Pending JPH02124502U (ja) 1989-03-24 1989-03-24

Country Status (1)

Country Link
JP (1) JPH02124502U (ja)

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