JPH0295820U - - Google Patents

Info

Publication number
JPH0295820U
JPH0295820U JP465789U JP465789U JPH0295820U JP H0295820 U JPH0295820 U JP H0295820U JP 465789 U JP465789 U JP 465789U JP 465789 U JP465789 U JP 465789U JP H0295820 U JPH0295820 U JP H0295820U
Authority
JP
Japan
Prior art keywords
electrode
water level
detection device
case
electrode rod
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.)
Granted
Application number
JP465789U
Other languages
Japanese (ja)
Other versions
JPH067328Y2 (en
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 filed Critical
Priority to JP1989004657U priority Critical patent/JPH067328Y2/en
Publication of JPH0295820U publication Critical patent/JPH0295820U/ja
Application granted granted Critical
Publication of JPH067328Y2 publication Critical patent/JPH067328Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Description

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

第１図は本願の請求項(1)に係る考案の一実施
例による水位制御装置の全体構成を示す回路図、
第２図は本願の請求項(2)の考案を具体化した一
実施例による電極棒の断面図、第３図は従来の水
位検知装置の一例を示す回路図、第４図は従来の
電極棒の一例を示す断面図である。 １１……柱上トランス、１４……電源トランス
、１５……整流回路、１６……水槽、１７〜１９
……検知回路、Ｅ１〜Ｅ３……電極、３０……電
極棒、３１……ケース、３２……金属電極。 FIG. 1 is a circuit diagram showing the overall configuration of a water level control device according to an embodiment of the invention according to claim (1) of the present application;
FIG. 2 is a sectional view of an electrode rod according to an embodiment embodying the invention of claim (2) of the present application, FIG. 3 is a circuit diagram showing an example of a conventional water level detection device, and FIG. 4 is a diagram of a conventional electrode rod. It is a sectional view showing an example of a rod. 11... Pole transformer, 14... Power transformer, 15... Rectifier circuit, 16... Water tank, 17-19
...Detection circuit, E1-E3... Electrode, 30... Electrode rod, 31... Case, 32... Metal electrode.

Claims (1)

【実用新案登録請求の範囲】 (1) 一端が接地された商用交流電源より電源が
供給され、大地に電気的に接地されている水槽の
水位を検知する水位検知装置であつて、 商用交流電源を整流して所定の電源電圧を得る
電源回路と、 水槽中の所定水位の位置に配置され、１つの電
極面を有する電極と、 前記電極が配置された水位に水槽の水面が達し
たときに、前記電極より得られる商用交流のリー
ク電流を増幅し、増幅出力に基づいて水位を検知
制御する検知回路と、を有することを特徴とする
水位検知装置。 (2) 請求項(1)記載の水位検知装置に用いられる
電極棒であつて、 前記電極はケースの外端部分に形成された外端
電極であり、 前記検知回路は前記電極棒のケース内に収納さ
れその入力端が前記外端電極に接続されており、 前記電極棒のケースの内部にはモールド樹脂が
充填され水密に構成されたことを特徴とする水位
検知装置の電極棒。[Scope of Claim for Utility Model Registration] (1) A water level detection device for detecting the water level of a water tank whose power is supplied from a commercial AC power source whose one end is grounded and which is electrically grounded to the earth, the commercial AC power source a power supply circuit that obtains a predetermined power supply voltage by rectifying the water; an electrode that is placed at a predetermined water level in an aquarium and has one electrode surface; A water level detection device comprising: a detection circuit that amplifies the commercial AC leakage current obtained from the electrode and detects and controls the water level based on the amplified output. (2) An electrode rod used in the water level detection device according to claim (1), wherein the electrode is an outer end electrode formed at an outer end portion of a case, and the detection circuit is installed inside the case of the electrode rod. 1. An electrode rod for a water level detection device, characterized in that the electrode rod is housed in a case and has an input end connected to the outer end electrode, and the inside of the case of the electrode rod is filled with molding resin to make it watertight.
JP1989004657U 1989-01-18 1989-01-18 Water level detector Expired - Lifetime JPH067328Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989004657U JPH067328Y2 (en) 1989-01-18 1989-01-18 Water level detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989004657U JPH067328Y2 (en) 1989-01-18 1989-01-18 Water level detector

Publications (2)

Publication Number Publication Date
JPH0295820U true JPH0295820U (en) 1990-07-31
JPH067328Y2 JPH067328Y2 (en) 1994-02-23

Family

ID=31207364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989004657U Expired - Lifetime JPH067328Y2 (en) 1989-01-18 1989-01-18 Water level detector

Country Status (1)

Country Link
JP (1) JPH067328Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115290964A (en) * 2022-07-20 2022-11-04 云南民族大学 Water area voltage detection device and detection method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328750U (en) * 1976-08-19 1978-03-11
JPS56112613A (en) * 1980-02-13 1981-09-05 Matsushita Electric Ind Co Ltd Manufacture of detecting device for liquid level

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328750U (en) * 1976-08-19 1978-03-11
JPS56112613A (en) * 1980-02-13 1981-09-05 Matsushita Electric Ind Co Ltd Manufacture of detecting device for liquid level

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115290964A (en) * 2022-07-20 2022-11-04 云南民族大学 Water area voltage detection device and detection method

Also Published As

Publication number Publication date
JPH067328Y2 (en) 1994-02-23

Similar Documents

Publication Publication Date Title
JPH0295820U (en)
JPS5511730A (en) Power supply device for spark machining
JPS5685122A (en) Power factor improving circuit
JPS54145031A (en) Ultrasonic liquid atomizer
JPS61201119U (en)
JPS55126377A (en) Current detecting circuit for arc welding machine
JPS6368011U (en)
JPS54159634A (en) Transistor oscillating circuit
JPS54140573A (en) Detecting circuit for ac current
JPS5630545A (en) Ultrasonic humidifier
JPS6433617U (en)
JPS6246913U (en)
JPS5858691U (en) Water leak alarm circuit
JPH0196093U (en)
JPS54124994A (en) Power supply unit
JPH01180775U (en)
JPS6486497A (en) Inverter type x-ray high voltage generating device
JPS6440068U (en)
JPS63181068U (en)
JPS6158427U (en)
JPS6219866U (en)
JPS6282581U (en)
JPH0421096U (en)
JPH0415078U (en)
JPS5630546A (en) Ultrasonic humidifier