DE60230989D1 - Dehnungsmessvorrichtung mit temperaturabgleich - Google Patents

Dehnungsmessvorrichtung mit temperaturabgleich

Info

Publication number
DE60230989D1
DE60230989D1 DE60230989T DE60230989T DE60230989D1 DE 60230989 D1 DE60230989 D1 DE 60230989D1 DE 60230989 T DE60230989 T DE 60230989T DE 60230989 T DE60230989 T DE 60230989T DE 60230989 D1 DE60230989 D1 DE 60230989D1
Authority
DE
Germany
Prior art keywords
strain
gauge
temperature
strain gauge
temperature compensation
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 - Lifetime
Application number
DE60230989T
Other languages
English (en)
Inventor
John David Barnett
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE60230989D1 publication Critical patent/DE60230989D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • G01D3/022—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation having an ideal characteristic, map or correction data stored in a digital memory
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
    • G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/225—Measuring circuits therefor
    • G01L1/2256—Measuring circuits therefor involving digital counting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2268—Arrangements for correcting or for compensating unwanted effects
    • G01L1/2281—Arrangements for correcting or for compensating unwanted effects for temperature variations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2287—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2287—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges
    • G01L1/2293—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges of the semi-conductor type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
    • G01L9/0055—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements bonded on a diaphragm
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/04—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges
    • G01L9/045—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges with electric temperature compensating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Technology Law (AREA)
  • Measurement Of Force In General (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Details Of Flowmeters (AREA)
DE60230989T 2001-07-13 2002-05-21 Dehnungsmessvorrichtung mit temperaturabgleich Expired - Lifetime DE60230989D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0117085A GB2369889B (en) 2001-07-13 2001-07-13 Strain sensing installation
PCT/GB2002/002378 WO2003006943A1 (en) 2001-07-13 2002-05-21 Temperature compensated strain sensing apparatus

Publications (1)

Publication Number Publication Date
DE60230989D1 true DE60230989D1 (de) 2009-03-12

Family

ID=9918417

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60230989T Expired - Lifetime DE60230989D1 (de) 2001-07-13 2002-05-21 Dehnungsmessvorrichtung mit temperaturabgleich

Country Status (6)

Country Link
US (1) US6973837B2 (de)
EP (1) EP1407239B1 (de)
AT (1) ATE421682T1 (de)
DE (1) DE60230989D1 (de)
GB (1) GB2369889B (de)
WO (1) WO2003006943A1 (de)

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DE102004054644A1 (de) * 2004-11-11 2006-05-18 Endress + Hauser Gmbh + Co. Kg Vorrichtung und Verfahren zum Kompensieren von Messwertaufnehmern
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US20060288795A1 (en) * 2005-06-27 2006-12-28 Vishay Measurements Group, Inc. Strain gage with off axis creep compensation feature
DE102005051848B4 (de) * 2005-10-28 2008-08-21 Infineon Technologies Ag Schaltungsanordnung zur temperaturdriftkompensierten Strommessung
US7647837B2 (en) * 2007-08-29 2010-01-19 Honeywell International Inc. Active temperature differential compensation for strain gage based sensors
WO2009108230A1 (en) * 2007-12-13 2009-09-03 The Timken Company Sensor module with stress isolated temperature compensation and method of manufacture
US8563336B2 (en) 2008-12-23 2013-10-22 International Business Machines Corporation Method for forming thin film resistor and terminal bond pad simultaneously
JP5507323B2 (ja) * 2010-04-23 2014-05-28 本田技研工業株式会社 力覚センサの温度補償方法および力覚センサ
DE102010023033A1 (de) * 2010-06-08 2011-12-08 Siemens Aktiengesellschaft Medizinischer Tisch mit einem Liegenbrett
JP5752852B2 (ja) * 2011-06-07 2015-07-22 ジャワハルラール ネール センター フォー アドバンスド サイエンティフィク リサーチ 金属および炭素母材からの歪み感知センサーおよび／または歪みに強いコンジットの製造
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WO2014149023A1 (en) 2013-03-15 2014-09-25 Rinand Solutions Llc Force sensing of inputs through strain analysis
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US20150296607A1 (en) * 2014-04-11 2015-10-15 Apple Inc. Electronic Device With Flexible Printed Circuit Strain Gauge Sensor
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CN104165712B (zh) * 2014-08-09 2016-11-02 大连理工大学 一种用于铁路钢轨应力测量的补偿块安装装置
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US10101145B2 (en) * 2016-01-19 2018-10-16 Rosemount Aerospace Inc. Passive temperature error compensation for strain gauge pressure sensors
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IT201800005294A1 (it) 2018-05-11 2019-11-11 Componente di bicicletta in materiale composito e relativo processo di fabbricazione
TWI804619B (zh) 2018-05-11 2023-06-11 義大利商坎帕克諾羅公司 設有電氣/電子系統的自行車曲柄臂
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Also Published As

Publication number Publication date
WO2003006943A1 (en) 2003-01-23
EP1407239B1 (de) 2009-01-21
EP1407239A1 (de) 2004-04-14
US6973837B2 (en) 2005-12-13
GB2369889B (en) 2004-06-09
GB0117085D0 (en) 2001-09-05
GB2369889A (en) 2002-06-12
ATE421682T1 (de) 2009-02-15
US20040159161A1 (en) 2004-08-19

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