JPH02134370U - - Google Patents
Info
- Publication number
- JPH02134370U JPH02134370U JP4275889U JP4275889U JPH02134370U JP H02134370 U JPH02134370 U JP H02134370U JP 4275889 U JP4275889 U JP 4275889U JP 4275889 U JP4275889 U JP 4275889U JP H02134370 U JPH02134370 U JP H02134370U
- Authority
- JP
- Japan
- Prior art keywords
- light
- detection device
- opening
- closing
- light emitting
- 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
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
Description
第１図はこの考案の一実施例を示す断面図、第
２図ａ及びｂは他の実施例の要部を示す断面図、
第３図ないし第５図はこの考案の光式バルブ開閉
検知装置を使用する具体例を示す概略構成図であ
る。
２，２１，２２，７５，７６……光フアイバ、
２３，７５ｃ，７６ｃ……光路、３，７……シヤ
ツター、４１……発光体、４２……受光体、５…
…管路、６……バルブ。
FIG. 1 is a sectional view showing one embodiment of this invention, FIGS. 2 a and b are sectional views showing main parts of another embodiment,
3 to 5 are schematic configuration diagrams showing specific examples of using the optical valve opening/closing detection device of this invention. 2, 21, 22, 75, 76...optical fiber,
23, 75c, 76c... optical path, 3, 7... shutter, 41... light emitter, 42... photoreceptor, 5...
...Pipeline, 6...Valve.
Claims (1)
ルブ開閉検知装置であつて、発光部と受光部とを
一定間隔離して設け、バルブの開閉動作に連動し
て上記発光部と受光部との間の光路を開閉するシ
ヤツターを、上記発光部と受光部の間に介在させ
ていることを特徴とする光式バルブ開閉検知装置
。 ２ 上記請求項１記載の発光部が、発光体と、こ
の発光体に接続された光フアイバとによつて構成
されており、受光部が、受光体と、この受光体に
接続された光フアイバとによつて構成されている
ことを特徴とする光式バルブ開閉検知装置。 ３ 上記請求項１又は２記載の光式バルブ開閉検
知装置において、バルブが開いた状態と閉つた状
態とをそれぞれ検知する２組の発光部と受光部を
設けていることを特徴とする光式バルブ開閉検知
装置。[Claims for Utility Model Registration] 1. A valve opening/closing detection device for detecting the opening/closing of a valve installed in a conduit, in which a light emitting part and a light receiving part are separated for a certain period of time, and the device is connected to the opening/closing operation of the valve. An optical valve opening/closing detection device characterized in that a shutter for opening and closing an optical path between the light emitting section and the light receiving section is interposed between the light emitting section and the light receiving section. 2. The light emitting section according to claim 1 is composed of a light emitter and an optical fiber connected to the light emitter, and the light receiving section is composed of a light receiver and an optical fiber connected to the light receiver. An optical valve opening/closing detection device comprising: 3. The optical valve opening/closing detection device according to claim 1 or 2, characterized in that it is provided with two sets of a light emitting section and a light receiving section for respectively detecting an open state and a closed state of the valve. Valve opening/closing detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4275889U JPH02134370U (en) | 1989-04-12 | 1989-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4275889U JPH02134370U (en) | 1989-04-12 | 1989-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02134370U true JPH02134370U (en) | 1990-11-07 |
Family
ID=31554584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4275889U Pending JPH02134370U (en) | 1989-04-12 | 1989-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02134370U (en) |
-
1989
- 1989-04-12 JP JP4275889U patent/JPH02134370U/ja active Pending