ATE523758T1 - Vorrichtung und verfahren zur messung einer rohrlänge - Google Patents

Vorrichtung und verfahren zur messung einer rohrlänge

Info

Publication number
ATE523758T1
ATE523758T1 AT09157848T AT09157848T ATE523758T1 AT E523758 T1 ATE523758 T1 AT E523758T1 AT 09157848 T AT09157848 T AT 09157848T AT 09157848 T AT09157848 T AT 09157848T AT E523758 T1 ATE523758 T1 AT E523758T1
Authority
AT
Austria
Prior art keywords
measuring
tube length
pipe
pipe length
signal
Prior art date
Application number
AT09157848T
Other languages
English (en)
Inventor
Jun-Tae Kim
Chi-Sun Ahn
Seung-Hwan Jung
Duck-Gu Jeon
Sang-Chul Youn
Original Assignee
Lg Electronics Inc
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 Lg Electronics Inc filed Critical Lg Electronics Inc
Application granted granted Critical
Publication of ATE523758T1 publication Critical patent/ATE523758T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/26—Refrigerant piping
    • 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
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/16—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance
    • G01D5/165—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance by relative movement of a point of contact or actuation and a resistive track
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
    • H10P74/27—Structural arrangements therefor
    • H10P74/277—Circuits for electrically characterising or monitoring manufacturing processes, e.g. circuits in tested chips or circuits in testing wafers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
AT09157848T 2008-09-05 2009-04-14 Vorrichtung und verfahren zur messung einer rohrlänge ATE523758T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020080087933A KR101250243B1 (ko) 2008-09-05 2008-09-05 배관 거리 감지 장치 및 감지 방법

Publications (1)

Publication Number Publication Date
ATE523758T1 true ATE523758T1 (de) 2011-09-15

Family

ID=41058577

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09157848T ATE523758T1 (de) 2008-09-05 2009-04-14 Vorrichtung und verfahren zur messung einer rohrlänge

Country Status (6)

Country Link
US (2) US8326572B2 (de)
EP (1) EP2161534B1 (de)
KR (1) KR101250243B1 (de)
CN (1) CN101666612B (de)
AT (1) ATE523758T1 (de)
ES (1) ES2371527T3 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7921665B2 (en) * 2004-03-09 2011-04-12 Mitsubishi Electric Corporation Air conditioning equipment, signal transmission method, and signal transmission method for air conditioning equipment
KR101235593B1 (ko) * 2009-09-22 2013-02-28 엘지전자 주식회사 공조 시스템의 배관 거리 측정 장치
KR101272344B1 (ko) * 2010-03-29 2013-06-05 엘지전자 주식회사 공기 조화기 및 이의 봉입 냉매량 산출 방법
US8666684B2 (en) 2010-03-10 2014-03-04 Lg Electronics Inc. Air conditioning system and method for calculating amount of filling refrigerants of the same
JP5705453B2 (ja) * 2010-04-21 2015-04-22 三菱重工業株式会社 空気調和装置の冷媒充填方法
JP5649654B2 (ja) * 2010-08-23 2015-01-07 三菱電機株式会社 導体長計測装置及び導体長計測方法
EP2669620B1 (de) * 2011-01-24 2018-02-28 Mitsubishi Electric Corporation Längenmesssystem für rohrleitungen und längenberechnungsvorrichtung für rohrleitungen
US9212897B2 (en) * 2012-02-08 2015-12-15 Thermo Finnigan Llc Chromatography column amenable to accurate length determination and laser adapter
WO2017197336A1 (en) * 2016-05-12 2017-11-16 Auburn University Dual measurement displacements sensing technique
CN107657118B (zh) * 2017-09-27 2021-04-27 四川长虹电器股份有限公司 一种用于计算多联机空调的管路总长度的系统及方法
CN113324287A (zh) * 2021-05-21 2021-08-31 广东美的暖通设备有限公司 室内机与室外机连接管长度的识别方法、装置及空调系统
CN115854511A (zh) * 2022-11-23 2023-03-28 珠海格力电器股份有限公司 一种根据连接管长度控制空调运行的方法和装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101827A (en) * 1976-12-17 1978-07-18 Offner Franklin F Method and apparatus for determining the location of a leak in a pipe buried underground
US4234942A (en) * 1978-07-24 1980-11-18 D & W International, Inc. Apparatus for measuring the length of pipe and other hollow members
US4195530A (en) * 1978-08-14 1980-04-01 Republic Steel Corporation Ultrasonic inspection
US4241430A (en) * 1979-01-08 1980-12-23 Douglas J. Kayem Method and apparatus for determining the length of tubular members
US4393711A (en) * 1980-11-13 1983-07-19 Electric Power Research Institute, Inc. Apparatus and method for ultrasonic detection of flaws in power plant piping systems
US4429743A (en) * 1982-02-01 1984-02-07 Bodine Albert G Well servicing system employing sonic energy transmitted down the pipe string
US4584676A (en) * 1982-03-15 1986-04-22 Measurement Systems, Inc. Method of and apparatus for pipe length measurement
US4471294A (en) * 1982-10-29 1984-09-11 The United States Of America As Represented By The Secretary Of The Army Electrical conduit defect location
GB2154742B (en) 1984-02-21 1987-12-02 Edeco Petroleum Services Measuring length of electrical conductor
JPS6478184A (en) * 1987-06-24 1989-03-23 Nippon Kokan Kk Method and device for deriving length of tubular body by utilizing acoustic wave
US4843319A (en) * 1987-12-17 1989-06-27 Atlantic Richfield Company Transient electromagnetic method for detecting corrosion on conductive containers having variations in jacket thickness
US4935884A (en) * 1988-04-28 1990-06-19 Champlin Electronics, Inc. Sonic pipe length detector
US4930350A (en) * 1988-10-06 1990-06-05 Robert Bode Acoustical length measurement
US5640092A (en) * 1990-09-27 1997-06-17 Motazed; Behnam Electromagnetic pipe mapper for accurate location and depth determination
JPH07198306A (ja) * 1993-12-28 1995-08-01 Kobe Steel Ltd 金属管肉厚の偏肉測定方法
US5530357A (en) * 1994-06-29 1996-06-25 Minnesota Mining And Manufacturing Company Sonde with replaceable electronics and a rotatable, tubular inner shell wherein a battery is located
KR19980062839U (ko) * 1997-04-09 1998-11-16 배순훈 배관파이프의 길이 및 이물질 측정장치
KR200255878Y1 (ko) 1997-04-09 2002-04-22 김순정 양말
US6108268A (en) * 1998-01-12 2000-08-22 The Regents Of The University Of California Impedance matched joined drill pipe for improved acoustic transmission
GB9812465D0 (en) * 1998-06-11 1998-08-05 Abb Seatec Ltd Pipeline monitoring systems
JP3498908B2 (ja) 2000-07-25 2004-02-23 株式会社ミツトヨ 交流信号の振幅サンプリング方法及び振幅検出回路
AU2003274318A1 (en) * 2002-10-10 2004-05-04 Lucas, Brian, Ronald Apparatus and method for transmitting a signal in a wellbore
DE102004056069A1 (de) 2004-11-15 2006-05-18 Horst Siedle Gmbh & Co. Kg. Verfahren, Einrichtung und Sensoren zur Messung einer Länge
DE602005004123D1 (de) * 2005-04-26 2008-02-14 Schlumberger Technology Bv Verfahren für die elektromagnetische Messung von physikalischen Parametern eines Rohrs
KR101073504B1 (ko) * 2005-07-26 2011-10-17 삼성전자주식회사 에어컨시스템 및 에어컨시스템의 배관길이 측정방법

Also Published As

Publication number Publication date
EP2161534B1 (de) 2011-09-07
KR20100028953A (ko) 2010-03-15
US8326572B2 (en) 2012-12-04
US20100063772A1 (en) 2010-03-11
US20130120007A1 (en) 2013-05-16
CN101666612B (zh) 2011-11-16
EP2161534A1 (de) 2010-03-10
ES2371527T3 (es) 2012-01-04
CN101666612A (zh) 2010-03-10
KR101250243B1 (ko) 2013-04-04
US9389059B2 (en) 2016-07-12

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