JPS60139260U - water detection device - Google Patents

water detection device

Info

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
Application number
JP2765984U
Other languages
Japanese (ja)
Inventor
安田 治夫
啓介 小島
Original Assignee
太平洋工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 太平洋工業株式会社 filed Critical 太平洋工業株式会社
Priority to JP2765984U priority Critical patent/JPS60139260U/en
Publication of JPS60139260U publication Critical patent/JPS60139260U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 水の導電性を利用して異なる電位を有する水検出用電極
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:゛、
JP2765984U 1984-02-27 1984-02-27 water detection device Pending JPS60139260U (en)

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)

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