JPH0250930U - - Google Patents
Info
- Publication number
- JPH0250930U JPH0250930U JP12861988U JP12861988U JPH0250930U JP H0250930 U JPH0250930 U JP H0250930U JP 12861988 U JP12861988 U JP 12861988U JP 12861988 U JP12861988 U JP 12861988U JP H0250930 U JPH0250930 U JP H0250930U
- Authority
- JP
- Japan
- Prior art keywords
- reed switch
- magnetic force
- applies
- magnet
- switch
- 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
- 235000014676 Phragmites communis Nutrition 0.000 claims description 11
- 238000013459 approach Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Mechanical Operated Clutches (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
第１図と第２図は本発明の構成図、第３図は磁
力線の流れを示す図、第４図はオン巾の違いを示
すグラフである。
符合の説明、１：リードスイツチ、２：バイア
ス磁石、３：駆動磁石。
1 and 2 are block diagrams of the present invention, FIG. 3 is a diagram showing the flow of magnetic lines of force, and FIG. 4 is a graph showing the difference in on-width. Explanation of codes: 1: Reed switch, 2: Bias magnet, 3: Drive magnet.
Claims (1)
平行かつ両極共が対向して設置され、該リードス
イツチ１がオンする磁力より小さい磁力を該リー
ドスイツチ１に印加するバイアス磁石２と、 該バイアス磁石２の極性と同方向に極性を配し
、移動して前記リードスイツチ１に接近する駆動
磁石３であつて、前記リードスイツチ１に接近し
た状態において、前記バイアス磁石２の磁力との
和で、該リードスイツチ１をオンする磁力以上と
なる磁力を該リードスイツチ１に印加する駆動磁
石３とから成る磁気近接スイツチ。[Claims for Utility Model Registration] A reed switch 1, which is installed near the reed switch 1 in parallel to the reed switch with both poles facing each other, and applies a magnetic force to the reed switch 1 that is smaller than the magnetic force that turns on the reed switch 1. a bias magnet 2 that applies an electric current to the reed switch 1; and a drive magnet 3 whose polarity is arranged in the same direction as the polarity of the bias magnet 2 and which moves to approach the reed switch 1, in a state where it approaches the reed switch 1. A magnetic proximity switch comprising a drive magnet 3 which applies a magnetic force to the reed switch 1 which, when added to the magnetic force of the bias magnet 2, is greater than the magnetic force that turns on the reed switch 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12861988U JPH0250930U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12861988U JPH0250930U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0250930U true JPH0250930U (en) | 1990-04-10 |
Family
ID=31382128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12861988U Pending JPH0250930U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0250930U (en) |
-
1988
- 1988-09-30 JP JP12861988U patent/JPH0250930U/ja active Pending
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