JPH0363815U - - Google Patents
Info
- Publication number
- JPH0363815U JPH0363815U JP9987589U JP9987589U JPH0363815U JP H0363815 U JPH0363815 U JP H0363815U JP 9987589 U JP9987589 U JP 9987589U JP 9987589 U JP9987589 U JP 9987589U JP H0363815 U JPH0363815 U JP H0363815U
- Authority
- JP
- Japan
- Prior art keywords
- core
- case
- detection coil
- coil
- subject
- 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
- 239000002184 metal Substances 0.000 claims description 2
- 238000013459 approach Methods 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000012811 non-conductive material Substances 0.000 claims 1
- 238000010586 diagram Methods 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)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の位置センサ装置の一実施例を
示す中央縦断面図、第２図は−線断面図、第
３図は支持体とコアの取付け方法の他の実施例を
示す説明図、第４図及び第５図は従来の位置セン
サの検出用コイル部分の一例を示す断面図である
。
１……コア、２……検出用コイル、３……支持
体、４……金属ケース、１１ａ……ケース本体、
１１ｂ……リング、９……空間、１３……薄板、
１６……センサ対向面。
Fig. 1 is a central vertical sectional view showing one embodiment of the position sensor device of the present invention, Fig. 2 is a sectional view taken along the - line, and Fig. 3 is an explanatory diagram showing another embodiment of the method for attaching the support and the core. , 4 and 5 are cross-sectional views showing an example of a detection coil portion of a conventional position sensor. DESCRIPTION OF SYMBOLS 1...Core, 2...Detection coil, 3...Support, 4...Metal case, 11a...Case body,
11b...ring, 9...space, 13...thin plate,
16...Sensor facing surface.
Claims (1)
れた検出用コイルと、被検体の接近によつて変化
する上記コイルのインダクタンスの変化を検出す
る検出回路から成り、少なくとも上記検出用コイ
ルを巻き付けたコアを金属ケースに内蔵し、かつ
上記コア及び検出用コイルとその周囲のケースと
の間に空間を設けて上記コアを上記ケースに固定
すると共に被検体と対向する上記ケースの開口面
を非導電性・非磁性の薄板で密閉したことを特徴
とする位置センサ装置。 It consists of a core made of a soft magnetic material, a detection coil wound around the core, and a detection circuit that detects changes in the inductance of the coil that change as the subject approaches, and at least the core around which the detection coil is wound. It is built into a metal case, and a space is provided between the core and the detection coil and the surrounding case, and the core is fixed to the case, and the opening surface of the case facing the subject is made of a non-conductive material. A position sensor device characterized by being sealed with a non-magnetic thin plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9987589U JPH0363815U (en) | 1989-08-29 | 1989-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9987589U JPH0363815U (en) | 1989-08-29 | 1989-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0363815U true JPH0363815U (en) | 1991-06-21 |
Family
ID=31648907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9987589U Pending JPH0363815U (en) | 1989-08-29 | 1989-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0363815U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58182510A (en) * | 1982-04-21 | 1983-10-25 | Hitachi Ltd | Noncontact type detector |
-
1989
- 1989-08-29 JP JP9987589U patent/JPH0363815U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58182510A (en) * | 1982-04-21 | 1983-10-25 | Hitachi Ltd | Noncontact type detector |