JPH01171350U - - Google Patents
Info
- Publication number
- JPH01171350U JPH01171350U JP6898588U JP6898588U JPH01171350U JP H01171350 U JPH01171350 U JP H01171350U JP 6898588 U JP6898588 U JP 6898588U JP 6898588 U JP6898588 U JP 6898588U JP H01171350 U JPH01171350 U JP H01171350U
- Authority
- JP
- Japan
- Prior art keywords
- detection means
- fuel
- refractive index
- detecting
- temperature
- 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 10
- 238000001514 detection method Methods 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000001448 refractive index detection Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図はこの考案の一実施例によるアルコール
含有率検出装置のブロツク図、第２図は同上実施
例におけるサーミスタの温度による抵抗値とサー
ミスタと並列に接続された抵抗との合成抵抗の温
度による抵抗値を示すグラフ、第３図は同上実施
例の具体的構成を示す回路図、第４図は同上実施
例の燃料の温度対アルコール含有率出力の関係を
示す出力特性図、第５図は従来および同上実施例
に用いられる燃料屈折率検出手段の構成を示す断
面図、第６図は従来のアルコール含有率検出装置
のブロツク図、第７図は同上燃料屈折率検出装置
の出力特性図、第８図はアルコール含有率に対す
る同上燃料屈折率検出手段の出力特性図、第９図
は同上燃料屈折率検出手段の原理図である。
１…燃料屈折率検出手段、２…温度検出手段、
３…抵抗値検出手段、４…演算器、２１…サーミ
スタ、２２…抵抗。なお、図中、同一符号は同一
、または相当部分を示す。
Fig. 1 is a block diagram of an alcohol content detection device according to an embodiment of this invention, and Fig. 2 shows the resistance value depending on the temperature of the thermistor in the same embodiment and the temperature of the combined resistance of the thermistor and the resistor connected in parallel. A graph showing the resistance value, FIG. 3 is a circuit diagram showing the specific configuration of the above embodiment, FIG. 4 is an output characteristic diagram showing the relationship between fuel temperature and alcohol content output of the above embodiment, and FIG. 6 is a block diagram of a conventional alcohol content detection device; FIG. 7 is an output characteristic diagram of the fuel refractive index detection device used in the above embodiment; FIG. 8 is an output characteristic diagram of the above fuel refractive index detection means with respect to alcohol content, and FIG. 9 is a principle diagram of the above fuel refractive index detection means. 1...Fuel refractive index detection means, 2...Temperature detection means,
3...Resistance value detection means, 4...Arithmetic unit, 21...Thermistor, 22...Resistor. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
、サーミスタに抵抗を並列に接続して構成され前
記燃料の温度を検出する温度検出手段と、この温
度検出手段の前記サーミスタと抵抗との合成抵抗
値を検出する抵抗値検出手段と、この抵抗値検出
手段の出力電圧と前記燃料屈折率検出手段の出力
電圧を加算あるいは減算して前記燃料中のアルコ
ール含有率に相当する出力を取り出す演算器とを
備えたアルコール含有率検出装置。 a fuel refractive index detection means for detecting the refractive index of the fuel; a temperature detection means configured by connecting a resistor in parallel to a thermistor and detecting the temperature of the fuel; and a combined resistance of the thermistor and the resistor of the temperature detection means. a resistance value detection means for detecting a value; and an arithmetic unit for adding or subtracting an output voltage of the resistance value detection means and an output voltage of the fuel refractive index detection means to obtain an output corresponding to the alcohol content rate in the fuel. Alcohol content detection device equipped with
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6898588U JPH01171350U (en) | 1988-05-25 | 1988-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6898588U JPH01171350U (en) | 1988-05-25 | 1988-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171350U true JPH01171350U (en) | 1989-12-05 |
Family
ID=31294277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6898588U Pending JPH01171350U (en) | 1988-05-25 | 1988-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171350U (en) |
-
1988
- 1988-05-25 JP JP6898588U patent/JPH01171350U/ja active Pending
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