JPS59144602U - Optical fiber sensor cable structure - Google Patents
Optical fiber sensor cable structureInfo
- Publication number
- JPS59144602U JPS59144602U JP3880183U JP3880183U JPS59144602U JP S59144602 U JPS59144602 U JP S59144602U JP 3880183 U JP3880183 U JP 3880183U JP 3880183 U JP3880183 U JP 3880183U JP S59144602 U JPS59144602 U JP S59144602U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- fiber sensor
- cable structure
- cable
- sensor cable
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は光ファイバの被覆構成を示す断面図、第２図は
光、ファイバ伝送損失の温度特性曲線ｅ第３図は本考案
による光フアイバセンサのケーブル構造を示す構造図、
第４図は光フアイバセンサケーブル伝送損失の温度特性
曲線、第５図は金属線材と光ファイバとの座屈現象の発
生過程を示す説明図である。
図において、１とＩＡとｈは光ファイバ、２は光フアイ
バセンサのケーブル、３は中心軸（心材）、４は金属線
材、５は線材被覆、６はテンションメンバ、７Ａと７Ｂ
はケーブル充填部材、８はケーブル被覆を示す。FIG. 1 is a cross-sectional view showing the coating structure of an optical fiber, FIG. 2 is a temperature characteristic curve of optical fiber transmission loss, and FIG. 3 is a structural diagram showing the cable structure of the optical fiber sensor according to the present invention.
FIG. 4 is a temperature characteristic curve of optical fiber sensor cable transmission loss, and FIG. 5 is an explanatory diagram showing the process of occurrence of a buckling phenomenon between a metal wire and an optical fiber. In the figure, 1, IA, and h are optical fibers, 2 is an optical fiber sensor cable, 3 is a central axis (core material), 4 is a metal wire, 5 is a wire coating, 6 is a tension member, 7A and 7B
8 indicates a cable filling member, and 8 indicates a cable sheath.
Claims (1)
イバセンサを線路形状に展開する場合のケーブル構造で
あって、該ケーブルの中心軸と℃て線膨張係数の小さい
線材に線膨張係数の比較的大きい被覆を施した心材を設
け、該心材の周囲に所要の光ファイバを撚り合わせ集合
し、テンションメンバを配置し、かつケーブル被覆を形
成したことを特徴とする光フアイバセンサのケーブル構
造。A cable structure in which an optical fiber sensor that detects temperature changes using shrinkage stress at low temperatures is deployed in the form of a line, in which the central axis of the cable and the wire material with a small coefficient of linear expansion are A cable structure for an optical fiber sensor, characterized in that a relatively large coated core material is provided, required optical fibers are twisted and assembled around the core material, a tension member is arranged, and a cable sheath is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3880183U JPS59144602U (en) | 1983-03-16 | 1983-03-16 | Optical fiber sensor cable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3880183U JPS59144602U (en) | 1983-03-16 | 1983-03-16 | Optical fiber sensor cable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59144602U true JPS59144602U (en) | 1984-09-27 |
Family
ID=30169468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3880183U Pending JPS59144602U (en) | 1983-03-16 | 1983-03-16 | Optical fiber sensor cable structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59144602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07280664A (en) * | 1994-04-04 | 1995-10-27 | Kobe Steel Ltd | Temperature measurement method |
-
1983
- 1983-03-16 JP JP3880183U patent/JPS59144602U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07280664A (en) * | 1994-04-04 | 1995-10-27 | Kobe Steel Ltd | Temperature measurement method |
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