JPS621339U - - Google Patents
Info
- Publication number
- JPS621339U JPS621339U JP9174185U JP9174185U JPS621339U JP S621339 U JPS621339 U JP S621339U JP 9174185 U JP9174185 U JP 9174185U JP 9174185 U JP9174185 U JP 9174185U JP S621339 U JPS621339 U JP S621339U
- Authority
- JP
- Japan
- Prior art keywords
- detection
- detection coil
- proximity switch
- section
- approach
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 2
- 230000010355 oscillation Effects 0.000 claims 2
Landscapes
- Electronic Switches (AREA)
Description
第１図はこの考案の一実施例である近接スイツ
チの縦断面図、第２図は従来の近接スイツチの縦
断面図である。
１；検出部、１ａ；検出コイル、１ｂ；フエラ
イトコア、２；回路部、６；導電性キヤツプ。
FIG. 1 is a vertical sectional view of a proximity switch which is an embodiment of this invention, and FIG. 2 is a vertical sectional view of a conventional proximity switch. 1: detection section, 1a: detection coil, 1b: ferrite core, 2: circuit section, 6: conductive cap.
Claims (1)
の検出コイルを取り囲むように配置されたフエラ
イトコアとから成る検出部と、前記検出コイルと
ともに発振回路を形成し、前記金属物体の接近に
もとずく発振状態の変化により検出出力を生ずる
回路部とで構成される近接スイツチにおいて；前
記検出部における検出コイル露出面側を除くフエ
ライトコアの側面および底面を導電性キヤツプで
覆つたことを特徴とする近接スイツチ。 (2) 実用新案登録請求の範囲第１項記載の近接
スイツチにおいて、導電性キヤツプを回路部のア
ース端子に電気的に接続したことを特徴とする近
接スイツチ。[Claims for Utility Model Registration] (1) A detection section consisting of a detection coil that responds to the approach of a metal object and a ferrite core arranged to surround the detection coil, forming an oscillation circuit together with the detection coil, In the proximity switch configured with a circuit section that generates a detection output due to a change in the oscillation state based on the approach of the metal object; the side and bottom surfaces of the ferrite core except for the exposed surface side of the detection coil in the detection section are covered with a conductive cap. A proximity switch characterized by being covered with. (2) A proximity switch according to claim 1 of the utility model registration, characterized in that a conductive cap is electrically connected to a ground terminal of a circuit section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9174185U JPS621339U (en) | 1985-06-18 | 1985-06-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9174185U JPS621339U (en) | 1985-06-18 | 1985-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS621339U true JPS621339U (en) | 1987-01-07 |
Family
ID=30647898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9174185U Pending JPS621339U (en) | 1985-06-18 | 1985-06-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS621339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04112996U (en) * | 1991-03-20 | 1992-10-01 | 大豊建設株式会社 | rectangular segment |
| JPH06280487A (en) * | 1991-02-12 | 1994-10-04 | Daiho Constr Co Ltd | Segment |
-
1985
- 1985-06-18 JP JP9174185U patent/JPS621339U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06280487A (en) * | 1991-02-12 | 1994-10-04 | Daiho Constr Co Ltd | Segment |
| JPH04112996U (en) * | 1991-03-20 | 1992-10-01 | 大豊建設株式会社 | rectangular segment |