JPS6323656U - - Google Patents

Info

Publication number
JPS6323656U
JPS6323656U JP1986116699U JP11669986U JPS6323656U JP S6323656 U JPS6323656 U JP S6323656U JP 1986116699 U JP1986116699 U JP 1986116699U JP 11669986 U JP11669986 U JP 11669986U JP S6323656 U JPS6323656 U JP S6323656U
Authority
JP
Japan
Prior art keywords
resistance sensor
terminal voltage
constant current
coil type
type indicator
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
JP1986116699U
Other languages
English (en)
Other versions
JPH0355104Y2 (ja
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 JP1986116699U priority Critical patent/JPH0355104Y2/ja
Priority to EP87111071A priority patent/EP0255143A3/en
Priority to US07/080,069 priority patent/US4868508A/en
Publication of JPS6323656U publication Critical patent/JPS6323656U/ja
Application granted granted Critical
Publication of JPH0355104Y2 publication Critical patent/JPH0355104Y2/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Description

【図面の簡単な説明】
第１図及び第２図はそれぞれ本考案に係る交叉
コイル式指示計器の故障検出回路の実施例を示す
回路図、第３図は従来の交叉コイル式指示計器を
示す回路図、第４図は第１図、第２図、及び第３
図における抵抗センサの抵抗値及び被測定量に対
する端子電圧の特性を示す図である。 １…定電流回路、２…故障検出制御回路、３…
インピーダンス変換回路、４…交叉コイル式指示
計器、５…指針、６…目盛板、Ｒｓ…抵抗センサ
、ＣＰ…コンパレータ、ＯＰ…オペアンプ。

Claims (1)

  1. 【実用新案登録請求の範囲】 被測定量に応じて抵抗値が変化する抵抗センサ
    と、該抵抗センサに定電流を供給する定電流回路
    とを有し、前記定電流により生じた抵抗センサの
    端子電圧値を指示する交叉コイル式指示計器にお
    いて、 前記抵抗センサの端子電圧を検出する検出手段
    と、 該検出手段の出力により動作し前記交叉コイル
    式指示計器に対する端子電圧の供給を制御する制
    御手段とを備え、 前記端子電圧が異状電圧のときに前記検出手段
    がこれを検出して制御手段により前記交叉コイル
    式指示計器に対する端子電圧の供給を遮断するよ
    うにした、 ことを特徴とする故障検出回路。
JP1986116699U 1986-07-31 1986-07-31 Expired JPH0355104Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1986116699U JPH0355104Y2 (ja) 1986-07-31 1986-07-31
EP87111071A EP0255143A3 (en) 1986-07-31 1987-07-30 Trouble detecting circuit for resistive sensor type indicator
US07/080,069 US4868508A (en) 1986-07-31 1987-07-31 Trouble detecting circuit for resistive sensor type indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986116699U JPH0355104Y2 (ja) 1986-07-31 1986-07-31

Publications (2)

Publication Number Publication Date
JPS6323656U true JPS6323656U (ja) 1988-02-16
JPH0355104Y2 JPH0355104Y2 (ja) 1991-12-06

Family

ID=14693653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986116699U Expired JPH0355104Y2 (ja) 1986-07-31 1986-07-31

Country Status (3)

Country Link
US (1) US4868508A (ja)
EP (1) EP0255143A3 (ja)
JP (1) JPH0355104Y2 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0820412B2 (ja) * 1990-07-20 1996-03-04 松下電器産業株式会社 使い捨てセンサを用いた定量分析方法、及び装置
US5359290A (en) * 1993-01-11 1994-10-25 Actron Manufacturing Company Method and apparatus using a pair of test circuits having LED indicators for testing engine sensors and ignition modules in vehicles
US5394093A (en) * 1993-04-30 1995-02-28 Actron Manufacturing Company Method and apparatus for testing vehicle engine sensors
US5392643A (en) * 1993-11-22 1995-02-28 Chrysler Corporation Oxygen heater sensor diagnostic routine
US5483045A (en) * 1994-06-09 1996-01-09 Electric Power Research Institute Microwave power system and method with exposure protection
EP0840112B1 (en) * 1996-10-29 2003-12-17 Zellweger Analytics Limited Condition monitoring of a gas detector
JP4718150B2 (ja) * 2003-10-29 2011-07-06 カルソニックカンセイ株式会社 指示計器
DE102006016011A1 (de) * 2006-04-05 2007-10-18 Rolls-Royce Deutschland Ltd & Co Kg Notabschaltdetektorvorrichtung für eine Gasturbine
US9476928B2 (en) 2009-04-28 2016-10-25 Textron Innovations Inc. System and method for detecting sensor leakage
CA2759235C (en) 2009-04-28 2016-06-21 Bell Helicopter Textron Inc. System and method for detecting sensor leakage
TW201940518A (zh) 2017-12-29 2019-10-16 美商安進公司 針對ｍｕｃ１７和ｃｄ３之雙特異性抗體構建體
KR102852241B1 (ko) * 2019-07-23 2025-08-29 현대자동차주식회사 고장 진단 장치, 그를 가지는 차량 및 그의 제어 방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5393269U (ja) * 1976-12-28 1978-07-29

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2558805A1 (de) * 1975-12-27 1977-07-07 Teves Gmbh Alfred Einrichtung zur ueberwachung einer batteriespannung
DE2612915C2 (de) * 1976-03-26 1986-05-28 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung einer unter der Führung einer λ-Sonde arbeitenden Regelung
GB1599406A (en) * 1977-08-11 1981-09-30 Horstmann Gear Group Ltd Gas detector with a failure sensor
US4166243A (en) * 1978-04-21 1979-08-28 General Motors Corporation Thermocouple failure detector
US4203142A (en) * 1978-07-31 1980-05-13 Lee Donald E Ground fault system and method of detection
US4224606A (en) * 1979-03-21 1980-09-23 Honeywell Inc. Fluid level detector test switch
US4231025A (en) * 1979-11-01 1980-10-28 Metritape, Inc. Level and temperature readout and alarm system
US4525850A (en) * 1982-09-15 1985-06-25 Chrysler Corporation Fluid level sensor employing hot wire probe and digital sample and hold circuitry
US4622844A (en) * 1985-04-22 1986-11-18 Allied Corporation Oxygen sensor monitor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5393269U (ja) * 1976-12-28 1978-07-29

Also Published As

Publication number Publication date
JPH0355104Y2 (ja) 1991-12-06
US4868508A (en) 1989-09-19
EP0255143A3 (en) 1990-08-08
EP0255143A2 (en) 1988-02-03

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