JPS62143237U - - Google Patents
Info
- Publication number
- JPS62143237U JPS62143237U JP3075586U JP3075586U JPS62143237U JP S62143237 U JPS62143237 U JP S62143237U JP 3075586 U JP3075586 U JP 3075586U JP 3075586 U JP3075586 U JP 3075586U JP S62143237 U JPS62143237 U JP S62143237U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- absorbing
- water
- linear body
- intersect
- 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
- 239000013307 optical fiber Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 239000011162 core material Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 2
- 230000008961 swelling Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第1図は、本考案の一実施例である光フアイバ
センサの液体検知前の斜視図、第2図は、液体を
吸収したときの斜視図、第3図および第4図は、
本考案の一実施例である光フアイバセンサの構造
の斜視図、第5図は、第2図X―X線の断面図、
第6図は、第4図Y―Y線の断面図である。
1……光フアイバ、2……線状体、3……吸水
膨張性物質、41……発光装置、42……受光装
置、5……心材、6……縛体。
FIG. 1 is a perspective view of an optical fiber sensor according to an embodiment of the present invention before liquid detection, FIG. 2 is a perspective view of the optical fiber sensor when liquid is absorbed, and FIGS. 3 and 4 are:
A perspective view of the structure of an optical fiber sensor that is an embodiment of the present invention, FIG. 5 is a cross-sectional view taken along line X-X in FIG.
FIG. 6 is a sectional view taken along line Y--Y in FIG. 4. DESCRIPTION OF SYMBOLS 1... Optical fiber, 2... Linear body, 3... Water absorption expansion material, 41... Light emitting device, 42... Light receiving device, 5... Core material, 6... Binding body.
Claims (1)
該交差部に液体の吸収により体積が増加する吸水
膨張性物質を接近又は接触せしめて配置し、前記
光フアイバの一端に発光手段を、他端に受光手段
をそれぞれ設けてなることを特徴とする光フアイ
バセンサ。 2 上記吸水膨張性物質上に光フアイバと線状体
とが、互いに交差するようにして添設されてなる
ことを特徴とする実用新案登録請求の範囲第1項
記載の光フアイバセンサ。 3 心材上に上記光フアイバと線状体とが互いに
交差するように添設され、該心材上に上記吸水膨
張性物質を被せてなることを特徴とする実用新案
登録請求の範囲第1項記載の光フアイバセンサ。[Claims for Utility Model Registration] 1. Crossing the optical fiber and the linear body,
A water-absorbing and expanding material that increases in volume by absorption of liquid is placed near or in contact with the intersection, and a light emitting means is provided at one end of the optical fiber, and a light receiving means is provided at the other end. Fiber optic sensor. 2. The optical fiber sensor according to claim 1, wherein an optical fiber and a linear body are attached to the water-absorbing and expanding material so as to intersect with each other. 3. Utility model registration claim 1, characterized in that the optical fiber and the linear body are attached to a core material so as to intersect with each other, and the core material is covered with the water-absorbing and swelling material. fiber optic sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3075586U JPS62143237U (en) | 1986-03-04 | 1986-03-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3075586U JPS62143237U (en) | 1986-03-04 | 1986-03-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62143237U true JPS62143237U (en) | 1987-09-09 |
Family
ID=30835858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3075586U Pending JPS62143237U (en) | 1986-03-04 | 1986-03-04 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62143237U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01189541A (en) * | 1988-01-25 | 1989-07-28 | Fujikura Ltd | Optical fiber water leakage detection sensor |
JPH01264446A (en) * | 1988-04-15 | 1989-10-20 | Nec Corp | Dial circuit for telephone set |
JPH0225731A (en) * | 1988-07-14 | 1990-01-29 | Fujikura Ltd | Liquid detecting sensor |
JP2016166801A (en) * | 2015-03-10 | 2016-09-15 | 北海道電力株式会社 | Oil leakage detector |
KR20200063784A (en) * | 2018-11-28 | 2020-06-05 | 국방과학연구소 | Device and method for fuel leakage detection |
-
1986
- 1986-03-04 JP JP3075586U patent/JPS62143237U/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01189541A (en) * | 1988-01-25 | 1989-07-28 | Fujikura Ltd | Optical fiber water leakage detection sensor |
JPH01264446A (en) * | 1988-04-15 | 1989-10-20 | Nec Corp | Dial circuit for telephone set |
JPH0225731A (en) * | 1988-07-14 | 1990-01-29 | Fujikura Ltd | Liquid detecting sensor |
JP2016166801A (en) * | 2015-03-10 | 2016-09-15 | 北海道電力株式会社 | Oil leakage detector |
KR20200063784A (en) * | 2018-11-28 | 2020-06-05 | 국방과학연구소 | Device and method for fuel leakage detection |