JPH01100348U - - Google Patents
Info
- Publication number
- JPH01100348U JPH01100348U JP19646287U JP19646287U JPH01100348U JP H01100348 U JPH01100348 U JP H01100348U JP 19646287 U JP19646287 U JP 19646287U JP 19646287 U JP19646287 U JP 19646287U JP H01100348 U JPH01100348 U JP H01100348U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- permanent magnet
- straight line
- attached
- magnetic field
- 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
- 239000000696 magnetic material Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
第１図１は永久磁石ａの形成する磁界の分布図
、同図２は同図１の直線Ｌ上における磁界のその
直線Ｌ方向の成分を示すグラフ、第２図１は永久
磁石ａの両極端に磁性体ｃ，ｃを取付けた状態の
磁界の分布図、同図２は同図１の直線Ｌ上におけ
る磁界のその直線Ｌ方向の成分を示すグラフ、第
３図は本考案をエアーシリンダのピストン位置検
知用に適用した一実施例の断面図である。
１：シリンダチユーブ、２：ピストン、３：永
久磁石、５：磁性体、６：検知ヘツド、８：磁気
センサ。
Fig. 1 1 is a distribution diagram of the magnetic field formed by permanent magnet a, Fig. 2 is a graph showing the component of the magnetic field in the direction of straight line L on straight line L in Fig. 1, and Fig. 2 1 is a graph showing the two extremes of permanent magnet a. Fig. 2 is a graph showing the component of the magnetic field in the direction of straight line L on straight line L in Fig. 1; FIG. 2 is a sectional view of an embodiment applied to piston position detection. 1: Cylinder tube, 2: Piston, 3: Permanent magnet, 5: Magnetic material, 6: Detection head, 8: Magnetic sensor.
Claims (1)
け、該永久磁石の両極の方向と平行な直線上を該
被検出物に対して相対的に移動する磁気センサの
磁界の感応方向を前記直線の方向とした磁気近接
スイツチにおいて、前記永久磁石の両極端に磁性
体を取付けたことを特徴とする磁気近接スイツチ
。 A permanent magnet is attached to an object to be detected made of a non-magnetic material, and the sensitive direction of the magnetic field of a magnetic sensor moving relatively to the object on a straight line parallel to the direction of both poles of the permanent magnet is set along the straight line. 1. A magnetic proximity switch characterized in that a magnetic substance is attached to both ends of the permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19646287U JPH01100348U (en) | 1987-12-24 | 1987-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19646287U JPH01100348U (en) | 1987-12-24 | 1987-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01100348U true JPH01100348U (en) | 1989-07-05 |
Family
ID=31487071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19646287U Pending JPH01100348U (en) | 1987-12-24 | 1987-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01100348U (en) |
-
1987
- 1987-12-24 JP JP19646287U patent/JPH01100348U/ja active Pending