JPS62134050U - - Google Patents
Info
- Publication number
- JPS62134050U JPS62134050U JP2246086U JP2246086U JPS62134050U JP S62134050 U JPS62134050 U JP S62134050U JP 2246086 U JP2246086 U JP 2246086U JP 2246086 U JP2246086 U JP 2246086U JP S62134050 U JPS62134050 U JP S62134050U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- light
- ratio sensor
- alcohol
- emitting element
- 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
Links
- 239000000203 mixture Substances 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000000446 fuel Substances 0.000 claims 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 8
- 239000007788 liquid Substances 0.000 claims 3
- 239000003208 petroleum Substances 0.000 claims 2
- 238000005259 measurement Methods 0.000 description 2
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図は混合比センサの断面図、第２図は発光
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図は従来の混合比センサの発光
ダイオードの断面図、第５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……発光ダイオード、３５ａ……発光部分
、３５ｂ，３５ｃ……電極、３５ｄ……ベース、
３５ｅ……樹脂製のコーテイング、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。
FIG. 1 is a sectional view of a mixture ratio sensor, FIG. 2 is a sectional view of a light emitting diode, FIG. 3 is a sectional view of a conventional mixture ratio sensor, and FIG. 4 is a sectional view of a light emitting diode of a conventional mixture ratio sensor. FIG. 5 is a graph showing a change in the amount of light received by the measuring light receiving element when the light totally reflected within the light transmitting body is applied to a member supporting the light transmitting body. In the figure, 1...Mixing ratio sensor, 2...Case, 3
... Light emitting part, 4 ... Light transmitting body, 5 ... Light receiving part for measurement, 35 ... Light emitting diode, 35a ... Light emitting part, 35b, 35c ... Electrode, 35d ... Base,
35e...Resin coating, 36...Photodiode for temperature compensation, 55...Photodiode for measurement.
Claims (1)
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、 前記発光素子にコーテイングを施し、前記発光
素子の発光面積の大きさを制御することを特徴と
するアルコール混合燃料の混合比センサ。 (2) 前記発光素子は、発光ダイオードであるこ
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) 前記コーテイングは、前記発光ダイオード
の前記透光体側に配された電極であることを特徴
とする実用新案登録請求の範囲第２項記載のアル
コール混合燃料の混合比センサ。 (4) 前記コーテイングは、前記発光ダイオード
の発光部分を支持するベースの前記透光体側にコ
ートされた光を吸収する樹脂であることを特徴と
する実用新案登録請求の範囲第２項記載のアルコ
ール混合燃料の混合比センサ。 (5) 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。 (6) 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項ないし第５項のいずれかに記載のア
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 A mixing ratio sensor for alcohol mixed fuel, characterized in that the light emitting element is coated to control the size of the light emitting area of the light emitting element. (2) The alcohol mixed fuel mixture ratio sensor according to claim 1, wherein the light emitting element is a light emitting diode. (3) The alcohol mixed fuel mixture ratio sensor according to claim 2, wherein the coating is an electrode disposed on the transparent body side of the light emitting diode. (4) The alcohol according to claim 2 of the utility model registration, wherein the coating is a light-absorbing resin coated on the transparent body side of the base that supports the light-emitting portion of the light-emitting diode. Mixed fuel mixture ratio sensor. (5) The alcohol mixed fuel mixture ratio sensor according to claim 1, wherein the petroleum-based fuel is gasoline. (6) The alcohol blended fuel mixture according to any one of claims 1 to 5 of the utility model registration claim, wherein the light emitting body is arranged approximately on the central axis of the transparent body. ratio sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2246086U JPH0442767Y2 (en) | 1986-02-19 | 1986-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2246086U JPH0442767Y2 (en) | 1986-02-19 | 1986-02-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62134050U true JPS62134050U (en) | 1987-08-24 |
| JPH0442767Y2 JPH0442767Y2 (en) | 1992-10-09 |
Family
ID=30819864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2246086U Expired JPH0442767Y2 (en) | 1986-02-19 | 1986-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442767Y2 (en) |
-
1986
- 1986-02-19 JP JP2246086U patent/JPH0442767Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0442767Y2 (en) | 1992-10-09 |
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