JPS62132450U - - Google Patents

Info

Publication number
JPS62132450U
JPS62132450U JP2054586U JP2054586U JPS62132450U JP S62132450 U JPS62132450 U JP S62132450U JP 2054586 U JP2054586 U JP 2054586U JP 2054586 U JP2054586 U JP 2054586U JP S62132450 U JPS62132450 U JP S62132450U
Authority
JP
Japan
Prior art keywords
light emitting
ratio sensor
light
mixture ratio
fuel mixture
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
JP2054586U
Other languages
Japanese (ja)
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 JP2054586U priority Critical patent/JPS62132450U/ja
Publication of JPS62132450U publication Critical patent/JPS62132450U/ja
Pending legal-status Critical Current

Links

Description

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

第１図は混合比センサの断面図、第２図はドー
ム形の発光ダイオードの断面図、第３図は従来の
混合比センサの断面図、第４図は透光体内で全反
射する光が透光体を支持する部材に掛る場合に測
定用受光素子で検出される受光量の変化を示すグ
ラフである。 図中、１……混合比センサ、２……ケース、３
……発光部、４……透光体、５……測定用受光部
、３５……ドーム形の発光ダイオード、３６……
温度補償用フオトダイオード、５５……測定用フ
オトダイオード。 Figure 1 is a cross-sectional view of a mixture ratio sensor, Figure 2 is a cross-sectional view of a dome-shaped light emitting diode, Figure 3 is a cross-sectional view of a conventional mixture ratio sensor, and Figure 4 shows the total reflection of light inside a transparent body. It is a graph showing a change in the amount of light received by a measuring light receiving element when applied to a member that supports a transparent body. In the figure, 1...Mixing ratio sensor, 2...Case, 3
... Light emitting section, 4 ... Translucent body, 5 ... Light receiving section for measurement, 35 ... Dome-shaped light emitting diode, 36 ...
Temperature compensation photodiode, 55...Measurement photodiode.

Claims (1)

【実用新案登録請求の範囲】 (1) 少なくとも一側面に石油系燃料とアルコー
ルとの混合液を接触させる透光体と、 該透光体の一端面に配置された発光素子と、 前記透光体の他端面に配置され、前記発光素子
より放射されて前記透光体を通過した光量の測定
を行う測定用受光素子とからなり、 前記混合液の組成変化に伴つて、前記透光体の
混合液と接触する部分での臨界角が変化するのを
利用し、前記測定用受光素子で測定された値によ
り前記混合液の混合比を検出するアルコール混合
燃料の混合比センサにおいて、 前記発光素子にドーム型の発光ダイオードを用
いたことを特徴とするアルコール混合燃料の混合
比センサ。 (2) 前記石油系燃料は、ガソリンであることを
特徴とする実用新案登録請求の範囲第１項記載の
アルコール混合燃料の混合比センサ。 (3) 前記発光体は、前記透光体のほぼ中心軸上
に配置されたことを特徴とする実用新案登録請求
の範囲第１項または第２項に記載のアルコール混
合燃料の混合比センサ。[Claims for Utility Model Registration] (1) A transparent body whose at least one side is brought into contact with a mixture of petroleum-based fuel and alcohol, a light emitting element disposed on one end surface of the transparent body, and the transparent body. and a measuring light receiving element disposed on the other end surface of the body to measure the amount of light emitted from the light emitting element and passing through the light transmitting body, and as the composition of the liquid mixture changes, the amount of light passing through the light transmitting body increases. In the alcohol mixed fuel mixture ratio sensor that detects the mixing ratio of the mixed liquid based on the value measured by the measuring light receiving element by utilizing a change in the critical angle at a portion that comes into contact with the mixed liquid, the light emitting element An alcohol mixed fuel mixture ratio sensor characterized by using a dome-shaped light emitting diode. (2) The alcohol mixed fuel mixture ratio sensor according to claim 1, wherein the petroleum-based fuel is gasoline. (3) The alcohol mixed fuel mixture ratio sensor according to claim 1 or 2, wherein the light emitting body is arranged approximately on the central axis of the transparent body.
JP2054586U 1986-02-14 1986-02-14 Pending JPS62132450U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2054586U JPS62132450U (en) 1986-02-14 1986-02-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2054586U JPS62132450U (en) 1986-02-14 1986-02-14

Publications (1)

Publication Number Publication Date
JPS62132450U true JPS62132450U (en) 1987-08-21

Family

ID=30816157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2054586U Pending JPS62132450U (en) 1986-02-14 1986-02-14

Country Status (1)

Country Link
JP (1) JPS62132450U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55118009A (en) * 1979-03-06 1980-09-10 Hitachi Ltd Photo coupling device of light emitting diode and multicore fiber
JPS5751920A (en) * 1980-07-15 1982-03-27 Tno Fuel feeding system of combustion engine
JPS59149072A (en) * 1983-02-16 1984-08-25 Hitachi Ltd Light-emitting semiconductor device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55118009A (en) * 1979-03-06 1980-09-10 Hitachi Ltd Photo coupling device of light emitting diode and multicore fiber
JPS5751920A (en) * 1980-07-15 1982-03-27 Tno Fuel feeding system of combustion engine
JPS59149072A (en) * 1983-02-16 1984-08-25 Hitachi Ltd Light-emitting semiconductor device

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