JPS6018924B2 - タンク内の液位監視装置 - Google Patents

タンク内の液位監視装置

Info

Publication number
JPS6018924B2
JPS6018924B2 JP51025518A JP2551876A JPS6018924B2 JP S6018924 B2 JPS6018924 B2 JP S6018924B2 JP 51025518 A JP51025518 A JP 51025518A JP 2551876 A JP2551876 A JP 2551876A JP S6018924 B2 JPS6018924 B2 JP S6018924B2
Authority
JP
Japan
Prior art keywords
bridge
circuit
signal
test
tank
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.)
Expired
Application number
JP51025518A
Other languages
English (en)
Japanese (ja)
Other versions
JPS51113758A (en
Inventor
ヘルムート，グラーザー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of JPS51113758A publication Critical patent/JPS51113758A/ja
Publication of JPS6018924B2 publication Critical patent/JPS6018924B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
    • G01F23/247—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Control Of Non-Electrical Variables (AREA)
JP51025518A 1975-03-10 1976-03-09 タンク内の液位監視装置 Expired JPS6018924B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2510356A DE2510356C2 (de) 1975-03-10 1975-03-10 Einrichtung zur Überwachung des Flüssigkeitsstandes in einem Behälter
DE2510356.4 1975-03-10

Publications (2)

Publication Number Publication Date
JPS51113758A JPS51113758A (en) 1976-10-07
JPS6018924B2 true JPS6018924B2 (ja) 1985-05-13

Family

ID=5940916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51025518A Expired JPS6018924B2 (ja) 1975-03-10 1976-03-09 タンク内の液位監視装置

Country Status (14)

Country Link
US (1) US4053874A (en:Method)
JP (1) JPS6018924B2 (en:Method)
BE (1) BE839312A (en:Method)
BR (1) BR7601006A (en:Method)
CA (1) CA1053772A (en:Method)
CH (1) CH591683A5 (en:Method)
DE (1) DE2510356C2 (en:Method)
FR (1) FR2304063A1 (en:Method)
GB (1) GB1536894A (en:Method)
IN (1) IN142779B (en:Method)
IT (1) IT1056854B (en:Method)
SE (1) SE411956B (en:Method)
SU (1) SU625636A3 (en:Method)
ZA (1) ZA76169B (en:Method)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4224606A (en) * 1979-03-21 1980-09-23 Honeywell Inc. Fluid level detector test switch
CA1149459A (en) * 1980-01-07 1983-07-05 Juergen F. Schmelzer Measuring the moisture content of materials
DE3022398A1 (de) 1980-06-14 1982-01-07 Vdo Adolf Schindling Ag, 6000 Frankfurt Einrichtung zum elektrischen ueberwachen des niveaus einer in einem behaelter enthaltenen fluessigkeit
US4418035A (en) * 1981-05-27 1983-11-29 Scandpower, Inc. Coolant condition monitor for nuclear power reactor
US4406011A (en) * 1981-06-16 1983-09-20 Burns Thomas J Gamma thermometer based reactor core liquid level detector
CA1169947A (en) * 1981-08-20 1984-06-26 Howard R. Braun Liquid nitrogen level controller
US4426617A (en) 1982-06-16 1984-01-17 General Dynamics, Pomona Division Audible test device
US4521373A (en) * 1982-08-23 1985-06-04 General Electric Company Liquid level sensor
AT383677B (de) * 1983-10-07 1987-08-10 Kessel Loos Kg Bischofshofen Pruefeinrichtung zur ueberpruefung einer fluessigkeitsmangelsicherung
US4564834A (en) * 1983-10-11 1986-01-14 General Motors Corporation Thermal liquid level detector
IT8353823V0 (it) * 1983-10-14 1983-10-14 Foredit Spa Dispositivo misuratore di livello per liquidi particolarmente per la rilevazione del livello del lubrificante in motori a combustione interna
DE3408824A1 (de) * 1984-03-10 1985-09-12 Vdo Adolf Schindling Ag, 6000 Frankfurt Schaltungsanordnung zur elektrothermischen, umgebungstemperatur-kompensierten fuellstandsmessung
US4609913A (en) * 1985-02-22 1986-09-02 Wickes Manufacturing Company Fluid level sensor
US5117216A (en) * 1986-04-23 1992-05-26 Fluid Components, Inc. Distributed RTD
US5167153A (en) * 1986-04-23 1992-12-01 Fluid Components, Inc. Method of measuring physical phenomena using a distributed RTD
ATE49472T1 (de) * 1986-10-08 1990-01-15 Becker Kurt Verfahren und instrument zur ueberwachung des kuehlungszustandes in einem leichtwasserreaktor.
US4742244A (en) * 1986-10-15 1988-05-03 Itt Avionics Electronic float switch apparatus
US4771271A (en) * 1987-03-11 1988-09-13 Ford Motor Company Silicon based low level liquid sensor having a fast response time
US4994780A (en) * 1988-05-02 1991-02-19 Fluid Components, Inc. Heated extended resistance temperature sensor, apparatus for sensing and method of making same
US5201223A (en) * 1988-05-02 1993-04-13 Fluid Components, Inc. Method of sensing fluid flow and level employing a heated extended resistance temperature sensor
US5152049A (en) * 1988-05-02 1992-10-06 Fluid Components, Inc. Method of making a heated extended resistance temperature sensor
US5134772A (en) * 1988-05-02 1992-08-04 Fluid Components, Inc. Method of making a U-shaped heated extended resistance temperature sensor
US5111692A (en) * 1990-03-27 1992-05-12 Fluid Components, Inc. Temperature compensated liquid level and fluid flow sensor
US5438866A (en) * 1990-06-25 1995-08-08 Fluid Components, Inc. Method of making average mass flow velocity measurements employing a heated extended resistance temperature sensor
US5228340A (en) * 1991-05-01 1993-07-20 Yazaki Corporation Method and apparatus for heat radiating type level sensor measurement of liquid level
US5210769A (en) * 1991-12-30 1993-05-11 The Great American Company Liquid level measuring system
US5434555A (en) * 1993-05-17 1995-07-18 Magnetrol International, Inc. Thermal dispersion switch with self test circuit
JPH07199636A (ja) * 1993-12-28 1995-08-04 Fujitsu Ltd トナーの残量検出装置
US6422088B1 (en) * 1999-09-24 2002-07-23 Denso Corporation Sensor failure or abnormality detecting system incorporated in a physical or dynamic quantity detecting apparatus
US6767141B1 (en) * 2000-12-04 2004-07-27 Optical Communication Products, Inc. Optical interface unit
CN108107929B (zh) * 2018-02-06 2023-11-10 欣灵电气股份有限公司 液位控制器
CN112325978B (zh) * 2020-10-28 2024-04-12 苏州贝康智能制造有限公司 一种电阻式液位检测系统
CN116125900B (zh) * 2021-11-15 2025-07-11 宝山钢铁股份有限公司 利用plc热电阻输入模块同时测温度和开关量信号方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE613746C (de) * 1929-01-17 1935-05-24 Arthur Snow Dekadenwiderstand fuer Wheatstonesche Bruecken, insbesondere fuer elektrische Temperaturmessung mit Widerstandsthermometern
DE2256197C2 (de) * 1972-11-16 1974-03-07 Danfoss A/S, Nordborg (Daenemark) Meßwertumformer mit einem Kompensationsbrückenkreis
US3922658A (en) * 1974-12-04 1975-11-25 Bendix Corp Fluid level monitor

Also Published As

Publication number Publication date
BR7601006A (pt) 1976-09-14
SE7602752L (sv) 1976-09-13
SE411956B (sv) 1980-02-11
BE839312A (fr) 1976-07-01
CA1053772A (en) 1979-05-01
ZA76169B (en) 1976-12-29
DE2510356C2 (de) 1984-03-15
CH591683A5 (en:Method) 1977-09-30
DE2510356A1 (de) 1976-09-16
IN142779B (en:Method) 1977-08-27
SU625636A3 (ru) 1978-09-25
GB1536894A (en) 1978-12-29
US4053874A (en) 1977-10-11
JPS51113758A (en) 1976-10-07
FR2304063A1 (fr) 1976-10-08
IT1056854B (it) 1982-02-20
FR2304063B1 (en:Method) 1980-12-05

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