JPS5812826U - liquid level detector - Google Patents

liquid level detector

Info

Publication number
JPS5812826U
JPS5812826U JP10662881U JP10662881U JPS5812826U JP S5812826 U JPS5812826 U JP S5812826U JP 10662881 U JP10662881 U JP 10662881U JP 10662881 U JP10662881 U JP 10662881U JP S5812826 U JPS5812826 U JP S5812826U
Authority
JP
Japan
Prior art keywords
optical fiber
light
liquid level
level detector
branch
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.)
Granted
Application number
JP10662881U
Other languages
Japanese (ja)
Other versions
JPS618332Y2 (en
Inventor
明 長谷川
Original Assignee
株式会社日立製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP10662881U priority Critical patent/JPS5812826U/en
Publication of JPS5812826U publication Critical patent/JPS5812826U/en
Application granted granted Critical
Publication of JPS618332Y2 publication Critical patent/JPS618332Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Level Indicators Using A Float (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の液面レベル検出器の実施例説明図、第
２図は検出特性図である。 ６・・・・・・Ｕ字管、１２・・・・・・小穴、１４・
・・・・・小穴、１６・・・・・・浮子、１８・・・・
・・光ファイバ、２２・・・・・・光分岐、２４・・・
・・・光送出素子、２６・・・・・・光受信子。FIG. 1 is an explanatory diagram of an embodiment of the liquid level detector of the present invention, and FIG. 2 is a detection characteristic diagram. 6...U-shaped tube, 12...Small hole, 14.
...Small hole, 16...Float, 18...
...Optical fiber, 22... Optical branch, 24...
. . . Light transmitting element, 26 . . . Light receiving element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] Ｕ字形の管の一方の開口部より光ファイバを挿入し、該
光ファイバの端面が前記Ｕ字形管の曲り、　　部を通過
してその曲り部から近いところに位置するように挿入し
、曲り部に近い位置及び他の開口部に近い位置にそれぞ
れ小穴を設け、前記光ファイバが存在しない管路内に光
反射可能な浮子を管路内で移動できるように入れ、前記
Ｕ字形管を液体タンクに取付けると共に、前記光ファイ
バの他の端面に光分岐を接続し、該光分岐の２つの分岐
端面に光源と受光素子を接続した構造を有することを特
徴とする液面レベル検出器。An optical fiber is inserted through one opening of the U-shaped tube, and the end face of the optical fiber passes through the bent portion of the U-shaped tube and is positioned close to the bent portion. A small hole is provided at a position close to the opening and a position close to another opening, and a light-reflecting float is inserted into the pipe line where the optical fiber is not present so as to be movable within the pipe line, and the U-shaped pipe is connected to the liquid tank. A liquid level detector having a structure in which a light branch is connected to the other end face of the optical fiber, and a light source and a light receiving element are connected to the two branch end faces of the light branch.
JP10662881U 1981-07-20 1981-07-20 liquid level detector Granted JPS5812826U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10662881U JPS5812826U (en) 1981-07-20 1981-07-20 liquid level detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10662881U JPS5812826U (en) 1981-07-20 1981-07-20 liquid level detector

Publications (2)

Publication Number Publication Date
JPS5812826U true JPS5812826U (en) 1983-01-27
JPS618332Y2 JPS618332Y2 (en) 1986-03-14

Family

ID=29901095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10662881U Granted JPS5812826U (en) 1981-07-20 1981-07-20 liquid level detector

Country Status (1)

Country Link
JP (1) JPS5812826U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6234014A (en) * 1985-08-01 1987-02-14 アウトボ−ド・マ−リン・コ−ポレ−シヨン Optical fluid-height display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6234014A (en) * 1985-08-01 1987-02-14 アウトボ−ド・マ−リン・コ−ポレ−シヨン Optical fluid-height display device

Also Published As

Publication number Publication date
JPS618332Y2 (en) 1986-03-14

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