JPS62126753U - - Google Patents
Info
- Publication number
- JPS62126753U JPS62126753U JP1338386U JP1338386U JPS62126753U JP S62126753 U JPS62126753 U JP S62126753U JP 1338386 U JP1338386 U JP 1338386U JP 1338386 U JP1338386 U JP 1338386U JP S62126753 U JPS62126753 U JP S62126753U
- Authority
- JP
- Japan
- Prior art keywords
- mixture ratio
- fuel
- fuel mixture
- prism
- boundary 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
Links
- 239000000446 fuel Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図ないし第３図は本考案の一実施例を示し
、第１図は本実施例の燃料混合比検出装置全体の
構成を表わす断面図、第２図はその検出回路を表
わす電気回路図、第３図は、電気回路により得ら
れる検出信号Ｖｓを表わす線図である。
１……石英プリズム、１ｂ……境界面、３……
発光部、３ａ……発光ダイオード、５……受光部
、５ａ……光導電セル、１１……サーミスタ。
1 to 3 show an embodiment of the present invention, FIG. 1 is a sectional view showing the overall configuration of the fuel mixture ratio detection device of this embodiment, and FIG. 2 is an electric circuit diagram showing the detection circuit. , FIG. 3 is a diagram representing the detection signal Vs obtained by the electric circuit. 1...Quartz prism, 1b...Boundary surface, 3...
Light emitting section, 3a... Light emitting diode, 5... Light receiving section, 5a... Photoconductive cell, 11... Thermistor.
Claims (1)
の燃料混合比を光学的に検出する燃料混合比検出
装置であつて、 一面が上記混合燃料との境界面とされるプリズ
ムと、 該プリズムの他面に設けられ、該プリズムを通
して上記境界面に所定の角度で平行光を照射する
発光手段と、 上記プリズムの境界面と対向して設けられ、上
記発光手段の照射によつて該境界面より透過して
くる光を上記混合燃料を介して受光し、電気信号
に変換する受光手段と、 混合燃料の温度を検出する温度センサと、 該温度センサの検出結果に応じて上記受光手段
からの電気信号を補正し、燃料混合比を表わす検
出信号として出力する検出回路と、 を備えたことを特徴とする燃料混合比検出装置。 ２ 発光手段より照射される平行光の境界面への
入射角度を、混合燃料を構成する２種の異なる燃
料のうち絶対屈折率がプリズムと大きく異なる燃
料を非検出燃料としたときの臨界角又はその近傍
に設定してなる特許請求の範囲第一項記載の燃料
混合比検出装置。[Claims for Utility Model Registration] 1. A fuel mixture ratio detection device for optically detecting the fuel mixture ratio of a mixed fuel obtained by mixing two different types of fuel, one surface of which is an interface with the mixed fuel. a prism provided on the other surface of the prism for irradiating parallel light at a predetermined angle through the prism onto the boundary surface; and a light emitting means provided opposite to the boundary surface of the prism, A light receiving means that receives light transmitted through the boundary surface by irradiation through the mixed fuel and converts it into an electrical signal; a temperature sensor that detects the temperature of the mixed fuel; and a detection result of the temperature sensor. A fuel mixture ratio detection device comprising: a detection circuit that corrects the electric signal from the light receiving means and outputs it as a detection signal representing the fuel mixture ratio. 2 The angle of incidence of the parallel light irradiated by the light emitting means on the boundary surface is the critical angle or The fuel mixture ratio detection device according to claim 1, which is set in the vicinity thereof.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1338386U JPS62126753U (en) | 1986-02-01 | 1986-02-01 | |
| US07/006,064 US4749274A (en) | 1986-01-24 | 1987-01-22 | Apparatus for detecting fuel mixture ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1338386U JPS62126753U (en) | 1986-02-01 | 1986-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62126753U true JPS62126753U (en) | 1987-08-11 |
Family
ID=30802395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1338386U Pending JPS62126753U (en) | 1986-01-24 | 1986-02-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62126753U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751920A (en) * | 1980-07-15 | 1982-03-27 | Tno | Fuel feeding system of combustion engine |
-
1986
- 1986-02-01 JP JP1338386U patent/JPS62126753U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751920A (en) * | 1980-07-15 | 1982-03-27 | Tno | Fuel feeding system of combustion engine |
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