CH625881A5 - - Google Patents

Download PDF

Info

Publication number
CH625881A5
CH625881A5 CH136578A CH136578A CH625881A5 CH 625881 A5 CH625881 A5 CH 625881A5 CH 136578 A CH136578 A CH 136578A CH 136578 A CH136578 A CH 136578A CH 625881 A5 CH625881 A5 CH 625881A5
Authority
CH
Switzerland
Prior art keywords
frequency
acoustic
temperature
signal
resonator
Prior art date
Application number
CH136578A
Other languages
German (de)
English (en)
Inventor
John Howard Thompson
Stephen Kowalyshyn
Arthur Nelkin
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of CH625881A5 publication Critical patent/CH625881A5/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/22—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects
    • G01K11/26—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects of resonant frequencies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02881—Temperature

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Secondary Cells (AREA)
CH136578A 1977-02-08 1978-02-07 CH625881A5 (US08087162-20120103-C00010.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/766,819 US4102195A (en) 1977-02-08 1977-02-08 Hot spot temperature sensor

Publications (1)

Publication Number Publication Date
CH625881A5 true CH625881A5 (US08087162-20120103-C00010.png) 1981-10-15

Family

ID=25077626

Family Applications (1)

Application Number Title Priority Date Filing Date
CH136578A CH625881A5 (US08087162-20120103-C00010.png) 1977-02-08 1978-02-07

Country Status (11)

Country Link
US (1) US4102195A (US08087162-20120103-C00010.png)
JP (1) JPS6013452B2 (US08087162-20120103-C00010.png)
BE (1) BE863262A (US08087162-20120103-C00010.png)
CA (1) CA1118089A (US08087162-20120103-C00010.png)
CH (1) CH625881A5 (US08087162-20120103-C00010.png)
DE (1) DE2803225A1 (US08087162-20120103-C00010.png)
ES (1) ES466584A1 (US08087162-20120103-C00010.png)
FR (1) FR2379807A1 (US08087162-20120103-C00010.png)
GB (1) GB1603141A (US08087162-20120103-C00010.png)
IT (1) IT1105578B (US08087162-20120103-C00010.png)
SE (1) SE7800817L (US08087162-20120103-C00010.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018102535B3 (de) 2018-02-05 2019-03-28 Elmos Semiconductor Aktiengesellschaft Temperaturmessung mittels der Impedanz eines Ultraschalltransducers

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233843A (en) * 1978-10-30 1980-11-18 Electric Power Research Institute, Inc. Method and means for measuring temperature using acoustical resonators
JPS57160032A (en) * 1981-03-27 1982-10-02 Mitsubishi Electric Corp Abnormal temperature detecting method of gas insulation apparatus
JPS60209159A (ja) * 1984-04-03 1985-10-21 Nippon Muki Kk ガス検知素子
US4754405A (en) * 1986-02-14 1988-06-28 Qualitrol Corporation Tri-phase electronic temperature controller
US4920522A (en) * 1986-05-05 1990-04-24 Siemens Aktiengesellschaft Method and apparatus for measuring electrical or magnetic fields
JP2604181B2 (ja) * 1987-11-02 1997-04-30 東洋通信機株式会社 超音波による非接触温度／圧力検知方法
GB2228569A (en) * 1989-01-14 1990-08-29 Schlumberger Ind Ltd "Ultrasonic waveguide temperature sensors with mounting means"
US6088662A (en) * 1996-12-13 2000-07-11 Seagate Technology, Inc. Thermoelectric temperature sensing system in a computer hard disc drive
JP4679782B2 (ja) * 1999-12-10 2011-04-27 富士通株式会社 温度センサ
GB0007325D0 (en) * 2000-03-27 2000-05-17 Atherton Eric High temperature sensor
US9470084B2 (en) * 2010-08-12 2016-10-18 Rosemount Inc. Method and apparatus for measuring fluid process variable in a well
CN102928111B (zh) * 2012-11-17 2014-04-09 中科微声（天津）传感技术有限公司 声表面波温度传感器
US10195467B2 (en) * 2013-02-21 2019-02-05 Boston Scientific Scimed, Inc. Ablation catheter system with wireless radio frequency temperature sensor
CN103884415B (zh) * 2014-03-25 2016-01-13 国家电网公司 一种基于无线传感技术的变压器振动监测系统及测试方法
WO2015157488A1 (en) 2014-04-09 2015-10-15 Etegent Technologies Ltd. Active waveguide excitation and compensation
CN106338336A (zh) * 2016-08-04 2017-01-18 中国南方电网有限责任公司超高压输电公司贵阳局 变压器振动的在线监测系统
US11686627B2 (en) * 2017-04-10 2023-06-27 Etegent Technologies Ltd. Distributed active mechanical waveguide sensor driven at multiple frequencies and including frequency-dependent reflectors
DE202018100292U1 (de) 2018-01-18 2018-02-02 G & P GmbH Ingenieurbüro für Elektro- und Automatisierungstechnik Temperaturüberwachungsvorrichtung
DE102019118959A1 (de) * 2019-07-12 2021-01-14 Endress+Hauser Process Solutions (Deutschland) GmbH Temperaturmessgerät
CN113721167B (zh) * 2021-09-08 2022-05-27 浙江日新电气有限公司 基于物联网架构的变压器声纹振动检测系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318152A (en) * 1963-07-16 1967-05-09 Westinghouse Electric Corp Temperature sensor
US3350942A (en) * 1964-09-15 1967-11-07 Alnor Instr Ultrasonic pyrometer
US3580058A (en) * 1968-05-21 1971-05-25 Panametrics Dual ultrasonic sensors employing a single mode of ultrasonic transmission
US3595069A (en) * 1969-02-14 1971-07-27 Panametrics Ultrasonic sensing system
US3633424A (en) * 1969-09-25 1972-01-11 Panametrics Magnetostrictive ultrasonic transducer
US3636754A (en) * 1970-07-16 1972-01-25 Parametrics Inc Ultrasonic profile measuring apparatus
SE370793B (US08087162-20120103-C00010.png) * 1973-03-01 1974-10-28 Asea Ab
US3999433A (en) * 1974-10-23 1976-12-28 The United States Of America As Represented By The Secretary Of The Air Force Mechanically tuned buffer rod for ultrasonic temperature sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018102535B3 (de) 2018-02-05 2019-03-28 Elmos Semiconductor Aktiengesellschaft Temperaturmessung mittels der Impedanz eines Ultraschalltransducers
US11156507B2 (en) 2018-02-05 2021-10-26 Elmos Semiconductor Se Method and device for detecting the temperature of the vibrating element of an ultrasonic converter

Also Published As

Publication number Publication date
JPS5398888A (en) 1978-08-29
CA1118089A (fr) 1982-02-09
BE863262A (fr) 1978-07-24
GB1603141A (en) 1981-11-18
JPS6013452B2 (ja) 1985-04-08
US4102195A (en) 1978-07-25
SE7800817L (sv) 1978-08-09
ES466584A1 (es) 1978-10-16
IT7841518A0 (it) 1978-02-07
IT1105578B (it) 1985-11-04
FR2379807B1 (US08087162-20120103-C00010.png) 1984-10-19
FR2379807A1 (fr) 1978-09-01
DE2803225A1 (de) 1978-08-10

Similar Documents

Publication Publication Date Title
CH625881A5 (US08087162-20120103-C00010.png)
DE2015295C2 (de) Überwachungssystem zur Ermittlung der Anwesenheit eines Gegenstands
DE69412247T2 (de) Piezoelektrischer Transformator
DE2600138C2 (de) Einrichtung auf der Basis der akustischen Oberflächenwellen mit einem zur Übertragung der akustischen Oberflächenwellen dienenden Trägerkörper aus piezoelektrischem Material und Verfahren zu ihrer Herstellung
DE2453153C2 (de) Spannungsgesteuerter Oszillator
DE19535543A1 (de) Identifizierungs- und/oder Sensorsystem
EP2743725B1 (de) Ultraschallvorrichtung
EP0214456A1 (de) Schaltungsanordnung zum Anschliessen eines Datengerätes an eine mit einer Fernsprecheinrichtung verbundene Übertragungsleitung
DE2846510C2 (US08087162-20120103-C00010.png)
EP0684457A2 (de) Ultraschall-Durchfluss-Messgerät
DE4322388C2 (de) Schaltungsanordnung zum sicheren Anschwingen von Ultraschalldesintegratoren
DE2353840A1 (de) Oberflaechenwellenoszillator
DE2943932A1 (de) Positionsbestimmungsanordnung
EP1989521B1 (de) Schaltungsanordnung bzw. verfahren zur funktionsüberwachung eines vibrations-grenzschalters und/oder einer füllstand-messvorrichtung
DE102007016642B4 (de) Elektromechanisches System und Verfahren zum Betrieb eines elektromechanischen Systems
EP0875741A1 (de) Anordnung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstands in einem Behälter
EP1290663A1 (de) Sensor, sensorsystem und verfahren zur fernerfassung einer messgrösse
DE4414746C2 (de) Sende-Empfangsschaltung für ein akustisches Pulsecho-Entfernungsmeßsystem
WO2002057723A1 (de) Füllstandsmessgerät mit koppelvorrichtung
DE3136028C2 (de) Schaltungsanordnung für einen magnetostriktiven Ultraschallschwinger
EP0875742B1 (de) Vorrichtung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstands in einem Behälter
DE2608137C2 (de) Verfahren zum Frequenzabgleich eines elektromechanischen Filters
DE2936045C2 (de) System für Schallemissionsmessung an Körpern mit piezoelektrischem Wandler
DE1904853C3 (de) Verfahren und Vorrichtung zur Fernmessung der Temperatur
DE3044353A1 (de) Vorrichtung zur feststellung des erreichens eines vorbestimmten fuellstandes in einem behaelter

Legal Events

Date Code Title Description
PL Patent ceased