JPS60139260U - water detection device - Google Patents
water detection deviceInfo
- Publication number
- JPS60139260U JPS60139260U JP2765984U JP2765984U JPS60139260U JP S60139260 U JPS60139260 U JP S60139260U JP 2765984 U JP2765984 U JP 2765984U JP 2765984 U JP2765984 U JP 2765984U JP S60139260 U JPS60139260 U JP S60139260U
- Authority
- JP
- Japan
- Prior art keywords
- water
- water detection
- absence
- electrode
- detection device
- 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
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の水検出回路の１例を示す電気結線図、第
一２図は本考案の実施例を示す電気結線図、第３図は第
２図の各点の電圧状態を示す動作図である。
１はＡＣ電源、２，３は水検出用電極、４は水、１０は
フォトカプラの発光素子、１１はフォトカプラの受光素
子、１？はフォトカプラ、１空、１７はダイオード、１
４，１５，１６．２１ −（よ爪抗、１８はコン
デンサ。Fig. 1 is an electrical wiring diagram showing an example of a conventional water detection circuit, Fig. 12 is an electrical wiring diagram showing an embodiment of the present invention, and Fig. 3 is an operation showing the voltage status of each point in Fig. 2. It is a diagram. 1 is an AC power source, 2 and 3 are water detection electrodes, 4 is water, 10 is a photocoupler light emitting element, 11 is a photocoupler light receiving element, 1? is a photocoupler, 1 is empty, 17 is a diode, 1
4, 15, 16.21 - (Yo-claw resistor, 18 is a capacitor.
Claims (1)
間が水により導通するか否かにより水の有無を検出する
装置において、水４を介して水検出用電極２，３間を流
れる電流でフォトカプラ１２の発光素子１０を駆動する
ように電極側の回路１−９を構成すると共に、前記電極
側の回路１９と゛電気的に絶縁した回路でもってフォト
、カプラ１２の発光素子１０の発光の有無に応じて水４
の有無の電気信号が発生するように信号発生側回路２０
を構成したことを特徴とする水検出装置。゛ 、In a device that uses the conductivity of water to detect the presence or absence of water by determining whether or not water causes conduction between water detection electrodes having different potentials, water flows between water detection electrodes 2 and 3 via water 4. The electrode-side circuit 1-9 is configured to drive the light-emitting element 10 of the photocoupler 12 with current, and the circuit 1-9 on the electrode side is electrically insulated from the electrode-side circuit 19 to drive the light-emitting element 10 of the photocoupler 12. Water 4 depending on the presence or absence of light emission
The signal generation side circuit 20 generates an electric signal indicating the presence or absence of
A water detection device comprising:゛、
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2765984U JPS60139260U (en) | 1984-02-27 | 1984-02-27 | water detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2765984U JPS60139260U (en) | 1984-02-27 | 1984-02-27 | water detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60139260U true JPS60139260U (en) | 1985-09-14 |
Family
ID=30524822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2765984U Pending JPS60139260U (en) | 1984-02-27 | 1984-02-27 | water detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60139260U (en) |
-
1984
- 1984-02-27 JP JP2765984U patent/JPS60139260U/en active Pending
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