JPH0285329U - - Google Patents

Info

Publication number
JPH0285329U
JPH0285329U JP16523088U JP16523088U JPH0285329U JP H0285329 U JPH0285329 U JP H0285329U JP 16523088 U JP16523088 U JP 16523088U JP 16523088 U JP16523088 U JP 16523088U JP H0285329 U JPH0285329 U JP H0285329U
Authority
JP
Japan
Prior art keywords
light
prism
receiving element
liquid level
critical surface
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
Application number
JP16523088U
Other languages
English (en)
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 filed Critical
Priority to JP16523088U priority Critical patent/JPH0285329U/ja
Publication of JPH0285329U publication Critical patent/JPH0285329U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Description

【図面の簡単な説明】
第１図及び第２図はこの考案に係る液位検出セ
ンサの断面図、第３図は液位検出センサの斜視図
、第４図は小型ボイラーの給油装置の構成を示し
た概略断面図、第５図はポンプの駆動回路図であ
る。 １……液位検出装置、１７……プリズム、１８
……発光素子、１９……受光素子、２０，２１…
…臨界面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 並列に配置された発光素子と受光素子と、これ
    らの素子の前方に設けられ、発光素子からの光を
    透過するとともに臨界面において順次全反射して
    受光素子に向けて入射させるプリズムと一体のレ
    ベルセンサを基板上に備え、液位がプリズムに至
    るとプリズムの相対的な屈折率の変化により臨界
    面における全反射が妨げられて光の経路が変化し
    、受光素子がこれを検知することを特徴とする液
    位検出装置。
JP16523088U 1988-12-21 1988-12-21 Pending JPH0285329U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16523088U JPH0285329U (ja) 1988-12-21 1988-12-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16523088U JPH0285329U (ja) 1988-12-21 1988-12-21

Publications (1)

Publication Number Publication Date
JPH0285329U true JPH0285329U (ja) 1990-07-04

Family

ID=31451526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16523088U Pending JPH0285329U (ja) 1988-12-21 1988-12-21

Country Status (1)

Country Link
JP (1) JPH0285329U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004361404A (ja) * 2003-06-06 2004-12-24 Fuji Xerox Co Ltd センサーターゲット、液体容器、液体容器の液体レベルを判断する方法、センサー、及び液体イジェクターヘッド
JP2014010055A (ja) * 2012-06-29 2014-01-20 Espec Corp 液位センサ、並びに、環境試験装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5252664A (en) * 1975-10-25 1977-04-27 Toshiba Corp Detector for liquid level

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5252664A (en) * 1975-10-25 1977-04-27 Toshiba Corp Detector for liquid level

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004361404A (ja) * 2003-06-06 2004-12-24 Fuji Xerox Co Ltd センサーターゲット、液体容器、液体容器の液体レベルを判断する方法、センサー、及び液体イジェクターヘッド
JP2014010055A (ja) * 2012-06-29 2014-01-20 Espec Corp 液位センサ、並びに、環境試験装置

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