JPH01102729U - - Google Patents
Info
- Publication number
- JPH01102729U JPH01102729U JP19804187U JP19804187U JPH01102729U JP H01102729 U JPH01102729 U JP H01102729U JP 19804187 U JP19804187 U JP 19804187U JP 19804187 U JP19804187 U JP 19804187U JP H01102729 U JPH01102729 U JP H01102729U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- core
- curvature
- radius
- diameter
- 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 8
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図および第２図は本考案に係り、第１図は
第１の実施例の斜視図、第２図はその縦断面図で
ある。第３図および第４図は従来例に係り、第３
図はその縦断面図、第４図Ａ，Ｂはその作用説明
図である。
１…光フアイバ心線、１ａ…コア、２…樹脂ブ
ロツク、３…液体接触用界面。
1 and 2 relate to the present invention, with FIG. 1 being a perspective view of a first embodiment, and FIG. 2 being a longitudinal sectional view thereof. Figures 3 and 4 relate to the conventional example;
The figure is a longitudinal sectional view thereof, and FIGS. 4A and 4B are explanatory views of its operation. DESCRIPTION OF SYMBOLS 1... Optical fiber core wire, 1a... Core, 2... Resin block, 3... Liquid contact interface.
Claims (1)
して樹脂ブロツクの内部に埋設し、光フアイバの
曲率半径は、光フアイバ径の３００倍以上の大き
さに設定し、光フアイバの湾曲外径側に当たる前
記樹脂ブロツクの一面を光フアイバのコアが露出
するまで切削研磨してコアの露出面により液体接
触用の界面を形成したことを特徴とする液体検知
センサ。 An optical fiber is provided, the optical fiber is curved and buried inside a resin block, and the radius of curvature of the optical fiber is set to be at least 300 times the diameter of the optical fiber, and the radius of curvature of the optical fiber is set to be at least 300 times the diameter of the optical fiber. A liquid detection sensor characterized in that one surface of the resin block is cut and polished until the core of the optical fiber is exposed, so that an interface for liquid contact is formed by the exposed surface of the core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19804187U JPH01102729U (en) | 1987-12-26 | 1987-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19804187U JPH01102729U (en) | 1987-12-26 | 1987-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102729U true JPH01102729U (en) | 1989-07-11 |
Family
ID=31488566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19804187U Pending JPH01102729U (en) | 1987-12-26 | 1987-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102729U (en) |
-
1987
- 1987-12-26 JP JP19804187U patent/JPH01102729U/ja active Pending