JPH0399305U - - Google Patents
Info
- Publication number
- JPH0399305U JPH0399305U JP819290U JP819290U JPH0399305U JP H0399305 U JPH0399305 U JP H0399305U JP 819290 U JP819290 U JP 819290U JP 819290 U JP819290 U JP 819290U JP H0399305 U JPH0399305 U JP H0399305U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- proximity sensor
- detection coil
- shaped
- pot
- 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 6
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Coils Or Transformers For Communication (AREA)
Description
第１図は、本考案における検出コイルの構造を
示す断面図。第２図は、本考案における検出コイ
ルの組立て方法を示す断面図。第３図は、本考案
の近接センサの部分構成を示す斜視図。第４図は
、従来の近接センサの構造を示す断面図。第５図
は、従来の近接センサの検出コイル組立て時の不
具合例を示す図で、第５図ａは円筒状コイル部が
磁心の溝に深く挿入された状態を示す断面図、第
５図ｂは円筒状コイル部の挿入位置ずれを示す断
面図。
１……検出コイル、２……壷形フエライト磁心
、３……円筒状コイル部、４……制御回路部、５
……壷形フエライト磁心の端面、６……検出物体
、７……磁束、８……検出距離、９……センサケ
ース、１１……下部鍔厚、１２……コイル挿入部
、１３……接着剤、１４……引き出し線、１５…
…溝、１６……平板、１７……コイルボビン。
FIG. 1 is a sectional view showing the structure of the detection coil according to the present invention. FIG. 2 is a sectional view showing the method of assembling the detection coil according to the present invention. FIG. 3 is a perspective view showing a partial configuration of the proximity sensor of the present invention. FIG. 4 is a sectional view showing the structure of a conventional proximity sensor. FIG. 5 is a diagram showing an example of a problem when assembling a detection coil of a conventional proximity sensor. FIG. FIG. 3 is a cross-sectional view showing a displacement of the insertion position of the cylindrical coil portion. 1 ...detection coil, 2...pot-shaped ferrite magnetic core, 3...cylindrical coil section, 4...control circuit section, 5
...End face of pot-shaped ferrite magnetic core, 6... Sensing object, 7... Magnetic flux, 8... Sensing distance, 9... Sensor case, 11... Lower flange thickness, 12... Coil insertion part, 13... Adhesion Agent, 14...Leader line, 15...
...groove, 16...flat plate, 17...coil bobbin.
Claims (1)
イト磁心の溝に挿入し構成した、磁性体からなる
物体を非接触で検出する近接センサの検出コイル
において、開放した壷形フエライト磁心端面位置
と円筒状コイル部のコイルボビン端面位置とを一
定寸法で組立てることを特徴とする近接センサ用
検出コイル。 In the detection coil of a proximity sensor that detects objects made of magnetic material without contact, the cylindrical coil part wound with a coil is inserted into the groove of a pot-shaped ferrite core. A detection coil for a proximity sensor, characterized in that a shaped coil part and a coil bobbin end face position are assembled with a constant dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP819290U JPH0399305U (en) | 1990-01-31 | 1990-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP819290U JPH0399305U (en) | 1990-01-31 | 1990-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0399305U true JPH0399305U (en) | 1991-10-17 |
Family
ID=31511826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP819290U Pending JPH0399305U (en) | 1990-01-31 | 1990-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0399305U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6801113B2 (en) | 2002-06-21 | 2004-10-05 | Omron Corporation | Proximity sensor with improved positioning accuracy for detection coil peripheral members |
-
1990
- 1990-01-31 JP JP819290U patent/JPH0399305U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6801113B2 (en) | 2002-06-21 | 2004-10-05 | Omron Corporation | Proximity sensor with improved positioning accuracy for detection coil peripheral members |
| DE10328122B4 (en) * | 2002-06-21 | 2009-09-10 | Omron Corporation | Proximity sensor with improved positioning accuracy for detection coil environmental elements |