JPH03112704U - - Google Patents
Info
- Publication number
- JPH03112704U JPH03112704U JP2193090U JP2193090U JPH03112704U JP H03112704 U JPH03112704 U JP H03112704U JP 2193090 U JP2193090 U JP 2193090U JP 2193090 U JP2193090 U JP 2193090U JP H03112704 U JPH03112704 U JP H03112704U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- cylinder
- temperature sensing
- extended
- temperature
- 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 15
- 238000001069 Raman spectroscopy Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
第１図は本考案に係る温度センシング用光フア
イバ素子の一実施例を示した斜視図、第２図は第
１図の光フアイバ素子を長手方向に切断した状態
の縦断面図、第３図は第１図の光フアイバ素子を
半径方向に切断した状態の縦断面図、第４図は他
の例になる光フアイバの折り返し部分を説明した
部分縦断面図、第５図は本考案に係る温度センシ
ング用光フアイバ素子を用いた温度測定装置系の
一例を示した概略説明図、第６図は従来のコイル
状に巻かれた光フアイバの一例を示した概略側面
図である。
図中、１１……長尺な筒体、１２……光フアイ
バ、１２ａ，１２ｂ……リード部、１３……切溝
、１４……温度センシング用光フアイバ素子、１
６……ＯＤＴＲ。
FIG. 1 is a perspective view showing an embodiment of the optical fiber element for temperature sensing according to the present invention, FIG. 2 is a longitudinal cross-sectional view of the optical fiber element shown in FIG. 1 cut in the longitudinal direction, and FIG. 1 is a vertical cross-sectional view of the optical fiber element shown in FIG. 1 cut in the radial direction, FIG. 4 is a partial vertical cross-sectional view illustrating a folded portion of another example of the optical fiber, and FIG. 5 is a vertical cross-sectional view of the optical fiber according to the present invention. A schematic explanatory diagram showing an example of a temperature measuring device system using an optical fiber element for temperature sensing, and FIG. 6 is a schematic side view showing an example of a conventional optical fiber wound into a coil shape. In the figure, 11...long cylindrical body, 12...optical fiber, 12a, 12b...lead portion, 13...cut groove, 14...optical fiber element for temperature sensing, 1
6...ODTR.
Claims (1)
発生するラマン散乱光を計測することにより、温
度を測定する温度測定装置系に使用される温度セ
ンシング用光フアイバ素子において、光フアイバ
を、その一端をリード部として延出させた状態で
、長尺な筒体外周の一端から他端までコイル状に
巻き込み、該光フアイバの巻き終わりの他端は、
前記筒体の他端でその半径方向に円弧状に切欠い
て形成された切溝を通じて当該筒体内部に通し、
該筒体内部から前記筒体の一端に導き延出させ、
前記一端のリード部と揃えて、もう一方のリード
部としてなることを特徴とする温度センシング用
光フアイバ素子。 In optical fiber elements for temperature sensing used in temperature measuring device systems that measure temperature by injecting a light pulse into the optical fiber and measuring the Raman scattered light generated at that time, one end of the optical fiber is The optical fiber is wound in a coil shape from one end to the other end of the outer periphery of the long cylinder in a state where it is extended as a lead part, and the other end of the optical fiber ends at the end of the winding.
Passing into the inside of the cylinder through a groove formed by cutting an arc in the radial direction at the other end of the cylinder,
Guided and extended from the inside of the cylinder to one end of the cylinder,
An optical fiber element for temperature sensing, characterized in that the other lead portion is aligned with the lead portion at one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2193090U JPH03112704U (en) | 1990-03-05 | 1990-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2193090U JPH03112704U (en) | 1990-03-05 | 1990-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03112704U true JPH03112704U (en) | 1991-11-18 |
Family
ID=31524959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2193090U Pending JPH03112704U (en) | 1990-03-05 | 1990-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03112704U (en) |
-
1990
- 1990-03-05 JP JP2193090U patent/JPH03112704U/ja active Pending