DE102014014638A1 - Volume measurement (using air pressure) content measurement - Google Patents

Volume measurement (using air pressure) content measurement Download PDF

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Publication number
DE102014014638A1
DE102014014638A1 DE102014014638.3A DE102014014638A DE102014014638A1 DE 102014014638 A1 DE102014014638 A1 DE 102014014638A1 DE 102014014638 A DE102014014638 A DE 102014014638A DE 102014014638 A1 DE102014014638 A1 DE 102014014638A1
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Germany
Prior art keywords
content
measurement
volume
vzu
bar
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Ceased
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DE102014014638.3A
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German (de)
Inventor
Anmelder Gleich
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Individual
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Individual
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Priority to DE102014014638.3A priority Critical patent/DE102014014638A1/en
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Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
    • G01F22/02—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for involving measurement of pressure

Abstract

1. Volumen-Messung; Inhaltsmessung mithilfe von Luftdruck. 2.1. Mit Hilfe eines Messgerät soll der Inhalt eines Körpers oder Raumes ermitteln werden. 2.2. Es wird das Isotherme – Zustandsänderung (Gasgleichung bei konstanter Temperatur) in Betracht gezogen. Mit der Formel, V2 = Vzu·po/(p2 – p1); [V2 = Rauminhalt in m3 umgerechnet in kg mit m = rho·V2]; [Vzu = Zugeführte Luftmenge in m3]; [po = Luftfülldruck in bar]; [p1 = Überdruck im Messkörper vor der Luftzufuhr in bar]; [p2 = Überdruck im Messkörper nach der Luftzufuhr in bar], kann der Inhalt ermittelt werden. Das Messgerät (1) misst die Größen (Vzu, p1, p2, po) und berechnet daraus den Inhalt (V2) in m3 (oder bei bestimmter Dichte eines Füllmediums in kg) eines Körpers (2). 2.3. Dieses Messgerät kann für Inhaltsmessung von (Raum; Flaschen, Rohrinhalt; Klimaanlagen usw.) genutzt werden. In der Praxis z. b. Heizung/Kälte-Sanitär ist eine Druckprüfung der Rohrleitungen wichtig um Leckagen festzustellen. Bei der Messung kann dann gleichzeitig eine Volumen oder Inhaltsmessung durchgeführt werden. Wichtig für die Ermittlung von Füllmengen z. b. Glykol; Kältemittel usw. in Rohrleitungen.1. volume measurement; Content measurement using air pressure. 2.1. With the help of a measuring device the content of a body or a room should be determined. 2.2. The isothermal state change (gas equation at constant temperature) is considered. With the formula, V2 = Vzu * po / (p2-p1); [V2 = volume in m3 converted into kg with m = rho · V2]; [Vzu = amount of air supplied in m3]; [po = air pressure in bar]; [p1 = overpressure in the measuring body before the air supply in bar]; [p2 = overpressure in the measuring body after the air supply in bar], the content can be determined. The measuring device (1) measures the quantities (Vzu, p1, p2, po) and calculates from them the content (V2) in m3 (or at certain density of a filling medium in kg) of a body (2). 2.3. This meter can be used for content measurement of (space, bottles, pipe contents, air conditioners, etc.). In practice z. b. Heating / cooling plumbing is a pressure test of the piping important to detect leaks. During the measurement, a volume or content measurement can then be carried out simultaneously. Important for the determination of quantities z. b. glycol; Refrigerants etc. in piping.

Description

Es wird das Isotherme-Zustandsänderung (Gasgleichung bei konstanter Temperatur) in Betracht gezogen. p1·V1 = p2·V2 = konstant (1) p1·V1 = p1·V2 + p0·Vzu (2) p0·Vzu + p1·V2 = p2·V2 (3) V2 = (Vzu·p0)/(p2 – p1) (4)

V2
= Rauminhalt in [m3]
p1
= Überdruck im Messkörper vor der Luftzufuhr [bar]
p2
= Überdruck im Messkörper nach der Luftzufuhr [bar]
P0
= Luft Fülldruck [bar]
Vzu
= Zugeführter Luftmenge [m3]
Ziel: Mithilfe vom Messgerät die Größen Vzu; p1; p2; p0; zu messen und daraus den Messkörperinhalt zu berechnen.The isothermal state change (gas equation at constant temperature) is considered. p1 · V1 = p2 · V2 = constant (1) p1 * V1 = p1 * V2 + p0 * Vto (2) p0 · Vzu + p1 · V2 = p2 · V2 (3) V2 = (Vzu · p0) / (p2 - p1) (4)
V2
= Volume in [m3]
p1
= Overpressure in the measuring body before the air supply [bar]
p2
= Overpressure in the measuring body after the air supply [bar]
P0
= Air filling pressure [bar]
VZU
= Supplied air volume [m3]
Objective: to use the parameters Vzu with the help of the measuring device; p1; p2; p0; to measure and from this to calculate the measuring body content.

Diese Volumenmessung kann für Inhaltsmessung für (Raum; Flaschen; Rohrinhalt; Klimaanlagen usw.) genutzt werden. Auch um die Füllmengen bei unbekannten Rohrleitungen zu ermitteln z. b. für die Füllung von Glykol; Kältemittel usw.This volume measurement can be used for content measurement for (room, bottles, pipe contents, air conditioners, etc.). Also to determine the quantities of unknown piping z. b. for the filling of glycol; Refrigerants etc.

Claims (1)

1. Volumen-Messung; Inhaltsmessung mithilfe von Luftdruck. 2.1. Mit Hilfe eines Messgerät soll der Inhalt eines Körpers oder Raumes ermitteln werden. 2.2. Es wird das Isotherme – Zustandsänderung (Gasgleichung bei konstanter Temperatur) in Betracht gezogen. Mit der Formel, V2 = Vzu·po/(p2 – p1); [V2 = Rauminhalt in m3 umgerechnet in kg mit m = rho·V2]; [Vzu = Zugeführte Luftmenge in m3]; [po = Luftfülldruck in bar]; [p1 = Überdruck im Messkörper vor der Luftzufuhr in bar]; [p2 = Überdruck im Messkörper nach der Luftzufuhr in bar], kann der Inhalt ermittelt werden. Das Messgerät (1) misst die Größen (Vzu, p1, p2, po) und berechnet daraus den Inhalt (V2) in m3 (oder bei bestimmter Dichte eines Füllmediums in kg) eines Körpers (2). 2.3. Dieses Messgerät kann für Inhaltsmessung von (Raum; Flaschen, Rohrinhalt; Klimaanlagen usw.) genutzt werden. In der Praxis z. b. Heizung/Kälte-Sanitär ist eine Druckprüfung der Rohrleitungen wichtig um Leckagen festzustellen. Bei der Messung kann dann gleichzeitig eine Volumen oder Inhaltsmessung durchgeführt werden. Wichtig für die Ermittlung von Füllmengen z. b. Glykol; Kältemittel usw. in Rohrleitungen.1. volume measurement; Content measurement using air pressure. 2.1. With the help of a measuring device the content of a body or a room should be determined. 2.2. The isothermal state change (gas equation at constant temperature) is considered. With the formula, V2 = Vzu * po / (p2-p1); [V2 = Volume in m 3 converted into kg with m = rho · V2]; [Vzu = amount of air supplied in m 3 ]; [po = air pressure in bar]; [p1 = overpressure in the measuring body before the air supply in bar]; [p2 = overpressure in the measuring body after the air supply in bar], the content can be determined. The measuring device ( 1 ) measures the quantities (Vzu, p1, p2, po) and calculates the content (V2) in m 3 (or at certain density of a filling medium in kg) of a body ( 2 ). 2.3. This meter can be used for content measurement of (space, bottles, pipe contents, air conditioners, etc.). In practice, eg heating / cooling plumbing, a pressure test of the piping is important to detect leaks. During the measurement, a volume or content measurement can then be carried out simultaneously. Important for the determination of filling quantities eg glycol; Refrigerants etc. in piping.
DE102014014638.3A 2014-10-01 2014-10-01 Volume measurement (using air pressure) content measurement Ceased DE102014014638A1 (en)

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DE102014014638.3A DE102014014638A1 (en) 2014-10-01 2014-10-01 Volume measurement (using air pressure) content measurement

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DE102014014638.3A DE102014014638A1 (en) 2014-10-01 2014-10-01 Volume measurement (using air pressure) content measurement

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016012700A1 (en) * 2016-05-25 2017-11-30 Alexander Kohlmann Apparatus and method for admission pressure testing of diaphragm expansion vessels (MAG)
DE102021002980A1 (en) 2021-06-11 2022-12-15 Aqua Computer Gmbh & Co. Kg Process for level measurement in expansion tanks

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3320793A1 (en) * 1983-06-09 1984-12-13 Daimler-Benz Ag, 7000 Stuttgart Method for determining the compression volume of reciprocating piston combustion engines
DE3510574A1 (en) * 1984-03-28 1985-10-24 Köolaj- és Földgázbányászati Vállalat, Nagykanizsa Method for determining the spatial content of spaces, especially subterranean spaces, for example cavities, caverns, caves, shafts and similar structures
US5001924A (en) * 1989-12-28 1991-03-26 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Volumetric measurement of tank volume
JPH06201432A (en) * 1992-12-28 1994-07-19 Showa Alum Corp Method for measuring inner volume of circuit in heatexchanger
US6036296A (en) * 1996-10-31 2000-03-14 Hewlett-Packard Company Fluid level detection apparatus and method for determining the volume of fluid in a container
JP2001108569A (en) * 1999-10-13 2001-04-20 Ito Koki Kk Method for measuring content volume of gas supply line and leak volume, and device therefor
US20050005708A1 (en) * 2003-07-08 2005-01-13 Guy Dickes Electronic volume measuring equipment
DE102004025006A1 (en) * 2004-05-21 2005-12-15 Audi Ag Measuring volume of hollow body, e.g. motor vehicle air conditioner cooling circuit, by moving feed container until different fluid levels in feed container and fluid reservoir balance
AT508276A1 (en) * 2009-05-25 2010-12-15 Wolfgang Dr Belitsch MEASURING METHOD AND MEASURING DEVICE FOR MEASURING PHYSICAL SIZES OF NON-COMPRESSIBLE MEDIA
KR101356764B1 (en) * 2012-09-25 2014-01-27 주식회사 다윈솔루션 Apparatus and method for measuring inner volume of tested sturcture using fluid

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3320793A1 (en) * 1983-06-09 1984-12-13 Daimler-Benz Ag, 7000 Stuttgart Method for determining the compression volume of reciprocating piston combustion engines
DE3510574A1 (en) * 1984-03-28 1985-10-24 Köolaj- és Földgázbányászati Vállalat, Nagykanizsa Method for determining the spatial content of spaces, especially subterranean spaces, for example cavities, caverns, caves, shafts and similar structures
US5001924A (en) * 1989-12-28 1991-03-26 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Volumetric measurement of tank volume
JPH06201432A (en) * 1992-12-28 1994-07-19 Showa Alum Corp Method for measuring inner volume of circuit in heatexchanger
US6036296A (en) * 1996-10-31 2000-03-14 Hewlett-Packard Company Fluid level detection apparatus and method for determining the volume of fluid in a container
JP2001108569A (en) * 1999-10-13 2001-04-20 Ito Koki Kk Method for measuring content volume of gas supply line and leak volume, and device therefor
US20050005708A1 (en) * 2003-07-08 2005-01-13 Guy Dickes Electronic volume measuring equipment
DE102004025006A1 (en) * 2004-05-21 2005-12-15 Audi Ag Measuring volume of hollow body, e.g. motor vehicle air conditioner cooling circuit, by moving feed container until different fluid levels in feed container and fluid reservoir balance
AT508276A1 (en) * 2009-05-25 2010-12-15 Wolfgang Dr Belitsch MEASURING METHOD AND MEASURING DEVICE FOR MEASURING PHYSICAL SIZES OF NON-COMPRESSIBLE MEDIA
KR101356764B1 (en) * 2012-09-25 2014-01-27 주식회사 다윈솔루션 Apparatus and method for measuring inner volume of tested sturcture using fluid

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP 2001- 108 569 A automatische Übersetzung
JP H06- 201 432 A automatische Übersetzung
KR 10 1 356 764 B1 automatische Übersetzung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016012700A1 (en) * 2016-05-25 2017-11-30 Alexander Kohlmann Apparatus and method for admission pressure testing of diaphragm expansion vessels (MAG)
DE102016012700B4 (en) * 2016-05-25 2020-10-01 Alexander Kohlmann Method and device for pre-pressure testing of membrane expansion vessels (MAG) with liquid filling
DE102021002980A1 (en) 2021-06-11 2022-12-15 Aqua Computer Gmbh & Co. Kg Process for level measurement in expansion tanks

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