JPH01167652U - - Google Patents
Info
- Publication number
- JPH01167652U JPH01167652U JP6561788U JP6561788U JPH01167652U JP H01167652 U JPH01167652 U JP H01167652U JP 6561788 U JP6561788 U JP 6561788U JP 6561788 U JP6561788 U JP 6561788U JP H01167652 U JPH01167652 U JP H01167652U
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- pair
- alcohol concentration
- alcohol
- voltage
- 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
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 8
- 230000002123 temporal effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図ないし第３図は本考案の第１の実施例に
係り、第１図は抵抗式アルコールセンサを用いた
アルコール濃度検出装置の全体構成図、第２図は
初期印加処理を示す流れ図、第３図は検出電圧の
時間的変化を示す線図、第４図は第２の実施例に
係る電位差式アルコールセンサを用いたアルコー
ル濃度検出装置の全体構成図、第５図ないし第９
図は従来技術に係り、第５図はアルコールセンサ
を燃料パイプに配設した状態を示す配置図、第６
図は抵抗式アルコールセンサの回路図、第７図は
アルコール濃度と検出抵抗との関係を示す線図、
第８図はアルコール濃度と出力電圧との関係を示
す線図、第９図は検出電圧の時間的変化を示す線
図である。
１２，１３，３２，３３……電極、１５……検
出用電極、１７，３７……高電圧印加装置、１８
，３８……高圧用電源。
1 to 3 relate to a first embodiment of the present invention, in which FIG. 1 is an overall configuration diagram of an alcohol concentration detection device using a resistive alcohol sensor, and FIG. 2 is a flowchart showing an initial application process; FIG. 3 is a diagram showing temporal changes in detection voltage, FIG. 4 is an overall configuration diagram of an alcohol concentration detection device using a potentiometric alcohol sensor according to the second embodiment, and FIGS. 5 to 9
The figures relate to the prior art; Fig. 5 is a layout diagram showing a state in which an alcohol sensor is installed in a fuel pipe;
The figure is a circuit diagram of a resistive alcohol sensor, and Figure 7 is a diagram showing the relationship between alcohol concentration and detection resistance.
FIG. 8 is a diagram showing the relationship between alcohol concentration and output voltage, and FIG. 9 is a diagram showing temporal changes in detected voltage. 12, 13, 32, 33... electrode, 15... detection electrode, 17, 37... high voltage application device, 18
, 38... High voltage power supply.
Claims (1)
と該一対の電極に電圧を印加する直流電源とを備
え、前記電極間に介在するアルコール混合液体の
抵抗又は電位差からアルコール濃度を検出するア
ルコール濃度検出装置において、前記一対の電極
によるアルコール濃度の検出開始時に、前記直流
電源による印加電圧よりも高圧の直流電圧を該電
極に印加する高電圧印加手段を設ける構成として
なるアルコール濃度検出装置。 An alcohol concentration detection device that includes a pair of electrodes provided in an alcohol mixed liquid and a DC power source that applies a voltage to the pair of electrodes, and detects alcohol concentration from the resistance or potential difference of the alcohol mixed liquid interposed between the electrodes. An alcohol concentration detecting device comprising: a high voltage applying means for applying a DC voltage higher than the voltage applied by the DC power source to the pair of electrodes at the time of starting detection of alcohol concentration by the pair of electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6561788U JPH01167652U (en) | 1988-05-18 | 1988-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6561788U JPH01167652U (en) | 1988-05-18 | 1988-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01167652U true JPH01167652U (en) | 1989-11-24 |
Family
ID=31291047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6561788U Pending JPH01167652U (en) | 1988-05-18 | 1988-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01167652U (en) |
-
1988
- 1988-05-18 JP JP6561788U patent/JPH01167652U/ja active Pending