JPH0416335U - - Google Patents
Info
- Publication number
- JPH0416335U JPH0416335U JP5617390U JP5617390U JPH0416335U JP H0416335 U JPH0416335 U JP H0416335U JP 5617390 U JP5617390 U JP 5617390U JP 5617390 U JP5617390 U JP 5617390U JP H0416335 U JPH0416335 U JP H0416335U
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- optical liquid
- light
- covered
- leak sensor
- 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
- 239000007788 liquid Substances 0.000 claims 6
- 230000003287 optical effect Effects 0.000 claims 5
- 238000001514 detection method Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Description
第１，２図はライトガイドの正面図と側面図、
第３，４図は外乱交カバーを取付けたライトガイ
ドの正面図と側面図、第５図は本案の作用を示す
説明図、第６，７図は床面に黒板を設けた使用状
態を示す正面図と側面図、第８図は第６図の矢視
方向図、第９，１０図は従来センサーの作用説明
図である。
１……ライトガイド、２……発光素子、３……
受光素子、４……検知面、５……Ｒ面、６……誤
作動防止用カバー、７……外乱交カバー、８……
脚、９……床面、１０……隙間、１２……ステー
、１３……黒板。
Figures 1 and 2 are front and side views of the light guide.
Figures 3 and 4 are front and side views of the light guide with an external orgy cover attached, Figure 5 is an explanatory diagram showing the effect of the present invention, and Figures 6 and 7 are used with a blackboard on the floor. A front view and a side view, FIG. 8 is a view in the direction of the arrow in FIG. 6, and FIGS. 9 and 10 are diagrams illustrating the operation of the conventional sensor. 1...Light guide, 2...Light emitting element, 3...
Light receiving element, 4... Sensing surface, 5... R surface, 6... Cover for preventing malfunction, 7... External orgy cover, 8...
Legs, 9...floor, 10...gap, 12...stay, 13...blackboard.
Claims (1)
子からの光線が反射して受光素子に至るように構
成された透明部材からなるライトガイド本体の下
部検知面が据付床面と一定の間をおいてセツトさ
れるように構成された光学式液漏れセンサー。 (2) ライトガイドの検知部及びライトガイド下
部各端辺以外の部分をライトガイドの屈折率より
も低い値をもつ透明部材で被覆してなる請求項(1
)記載の光学式液漏れセンサー。 (3) 外乱交カバーでライトガイドを被覆してな
る請求項(1)(2)に記載の光学式液漏れセンサー。 (4) ライトガイドの下部各端を液体が侵入し易
い形状とした請求項(1)(2)(3)記載の光学式液漏
れセンサー。 (5) ライトガイドの検知部に対応する高反射率
な床面を黒板で被覆してなる請求項(1)(2)(3)(4)
記載の光学式液漏れセンサー。[Claims for Utility Model Registration] (1) A lower sensing surface of a light guide body made of a transparent member, which is provided with a light emitting element and a light receiving element at both ends, and is configured such that light rays from the light emitting element are reflected and reach the light receiving element. Optical liquid leak sensor configured to be set at a certain distance from the installation floor. (2) Claim (1) in which the detection part of the light guide and the parts other than the lower edges of the light guide are covered with a transparent member having a refractive index lower than the refractive index of the light guide.
) optical liquid leak sensor. (3) The optical liquid leakage sensor according to claim 1 or 2, wherein the light guide is covered with an external cover. (4) The optical liquid leakage sensor according to any one of claims (1), (2), and (3), wherein each lower end of the light guide is shaped to allow liquid to easily enter. (5) Claims (1)(2)(3)(4) in which the highly reflective floor surface corresponding to the detection part of the light guide is covered with a blackboard.
Optical liquid leak sensor as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5617390U JPH0416335U (en) | 1990-05-29 | 1990-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5617390U JPH0416335U (en) | 1990-05-29 | 1990-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0416335U true JPH0416335U (en) | 1992-02-10 |
Family
ID=31579768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5617390U Pending JPH0416335U (en) | 1990-05-29 | 1990-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416335U (en) |
-
1990
- 1990-05-29 JP JP5617390U patent/JPH0416335U/ja active Pending