EP2725312A3 - Verfahren und Vorrichtung zum Überwachen einer Kältemittelfüllmenge - Google Patents

Verfahren und Vorrichtung zum Überwachen einer Kältemittelfüllmenge Download PDF

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Publication number
EP2725312A3
EP2725312A3 EP13189217.6A EP13189217A EP2725312A3 EP 2725312 A3 EP2725312 A3 EP 2725312A3 EP 13189217 A EP13189217 A EP 13189217A EP 2725312 A3 EP2725312 A3 EP 2725312A3
Authority
EP
European Patent Office
Prior art keywords
frequency distribution
monitoring
actual frequency
measured variable
measured
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
EP13189217.6A
Other languages
English (en)
French (fr)
Other versions
EP2725312B1 (de
EP2725312A2 (de
Inventor
André Illgen
Andreas Kleeberg
Dietrich Dr. Vollmer
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.)
Institut fuer Luft und Kaeltetechnik Gemeinnuetzige GmbH
Original Assignee
Institut fuer Luft und Kaeltetechnik Gemeinnuetzige GmbH
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 Institut fuer Luft und Kaeltetechnik Gemeinnuetzige GmbH filed Critical Institut fuer Luft und Kaeltetechnik Gemeinnuetzige GmbH
Publication of EP2725312A2 publication Critical patent/EP2725312A2/de
Publication of EP2725312A3 publication Critical patent/EP2725312A3/de
Application granted granted Critical
Publication of EP2725312B1 publication Critical patent/EP2725312B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/04—Refrigerant level
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Überwachen einer Kältemittelfüllmenge einer Kälteanlage, wobei das Verfahren folgende Schritte aufweist: Erfassen einer füllmengensensitiven Messgröße über einen vorgegebenen Zeitraum hinweg; Erstellen einer Ist-Häufigkeitsverteilung der Messwerte der Messgröße, wobei die Ist-Häufigkeitsverteilung beschreibt, wie häufig ein bestimmter Messwert der Messgröße innerhalb des vorgegebenen Zeitraums vorlag; Ermitteln eines Versatzes der Ist-Häufigkeitsverteilung bezüglich einer Referenz-Häufigkeitsverteilung; und Bewerten des Kältemittelfüllzustandes basierend auf dem ermittelten Versatz.
EP13189217.6A 2012-10-25 2013-10-18 Verfahren und Vorrichtung zum Überwachen einer Kältemittelfüllmenge Not-in-force EP2725312B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012110183 2012-10-25
DE102013100410.5A DE102013100410A1 (de) 2012-10-25 2013-01-16 Verfahren und Vorrichtung zum Überwachen einer Kältemittelfüllmenge

Publications (3)

Publication Number Publication Date
EP2725312A2 EP2725312A2 (de) 2014-04-30
EP2725312A3 true EP2725312A3 (de) 2016-06-15
EP2725312B1 EP2725312B1 (de) 2017-09-20

Family

ID=49385149

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13189217.6A Not-in-force EP2725312B1 (de) 2012-10-25 2013-10-18 Verfahren und Vorrichtung zum Überwachen einer Kältemittelfüllmenge

Country Status (2)

Country Link
EP (1) EP2725312B1 (de)
DE (1) DE102013100410A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017122126A1 (de) 2017-09-25 2019-03-28 Vaillant Gmbh Leckage-Erkennung
US11085683B2 (en) * 2018-06-22 2021-08-10 Emerson Climate Technologies Retail Solutions, Inc. Systems and methods for optical detection of refrigeration system abnormalities
JP6696533B2 (ja) * 2018-06-22 2020-05-20 ダイキン工業株式会社 冷凍装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139064A1 (de) * 1991-11-28 1993-06-09 Wilhelm Dr. 2840 Diepholz De Buck Verfahren zur einstellung, regelung und ueberwachung des fuellungsgrads eines kaeltemittelverdampfers
US5724822A (en) * 1991-07-03 1998-03-10 Nira Automotive Ab Determining the amount of working fluid in a refrigeration or heat pump system
US20060021362A1 (en) * 2004-07-28 2006-02-02 Payman Sadegh Charge loss detection and prognostics for multi-modular split systems
US20060059924A1 (en) * 2004-09-22 2006-03-23 Horan Christopher J Process for refrigerant charge level detection using a neural net having one output neuron
DE102008052210A1 (de) * 2008-10-17 2010-04-22 DENSO CORPORATION, Kariya-shi Verfahren und Vorrichtung zum Feststellen eines Verlusts an Kältemittel in einem Kältekreis
US20100300129A1 (en) * 2009-05-28 2010-12-02 American Power Conversion Corporation Systems and methods for detecting refrigerant leaks in cooling systems
US20110308267A1 (en) * 2009-03-30 2011-12-22 Mitsubishi Electric Corporation Refrigerating cycle apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3913521C2 (de) 1989-04-25 1996-09-12 Gerald Hemm Verfahren zum Erkennen von Leckstellen im Kältemittelkreislauf einer Kälteanlage
DE3928430C1 (de) * 1989-08-28 1991-03-07 Linde Ag, 6200 Wiesbaden, De
DE19603175A1 (de) * 1996-01-30 1997-07-31 Wilhelm Dr Buck Verfahren und Einrichtung zur Überwachung, Einstellung und Regelung des Füllungsgrads eines Kältemittelverdampfers
DE19754847A1 (de) * 1997-12-10 1999-06-17 Buna Sow Leuna Olefinverb Gmbh Verfahren zur uni- und multivariaten Zuordnung von Analysenwerten zu einer definierten Norm To in der online Prozeßanalytik
DE102006039925B4 (de) 2006-08-25 2011-01-27 Kriwan Industrie-Elektronik Gmbh Verfahren zur Bestimmung des Kältemittelverlusts von Kälteanlagen
DE102007021874B4 (de) * 2007-05-10 2015-12-17 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Kältemittel-Füllmengenüberwachung
DE102011101922A1 (de) 2010-05-20 2011-11-24 Epta Deutschland Gmbh Kühlkreis
WO2012049535A1 (en) * 2010-10-15 2012-04-19 Freescale Semiconductor, Inc. Decoder unit for determining a substance or material structure of a detected object based on signals of a capacitive sensor and method for determining a substance or material structure of a detected object based on signals of a capacitive sensor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5724822A (en) * 1991-07-03 1998-03-10 Nira Automotive Ab Determining the amount of working fluid in a refrigeration or heat pump system
DE4139064A1 (de) * 1991-11-28 1993-06-09 Wilhelm Dr. 2840 Diepholz De Buck Verfahren zur einstellung, regelung und ueberwachung des fuellungsgrads eines kaeltemittelverdampfers
US20060021362A1 (en) * 2004-07-28 2006-02-02 Payman Sadegh Charge loss detection and prognostics for multi-modular split systems
US20060059924A1 (en) * 2004-09-22 2006-03-23 Horan Christopher J Process for refrigerant charge level detection using a neural net having one output neuron
DE102008052210A1 (de) * 2008-10-17 2010-04-22 DENSO CORPORATION, Kariya-shi Verfahren und Vorrichtung zum Feststellen eines Verlusts an Kältemittel in einem Kältekreis
US20110308267A1 (en) * 2009-03-30 2011-12-22 Mitsubishi Electric Corporation Refrigerating cycle apparatus
US20100300129A1 (en) * 2009-05-28 2010-12-02 American Power Conversion Corporation Systems and methods for detecting refrigerant leaks in cooling systems

Also Published As

Publication number Publication date
EP2725312B1 (de) 2017-09-20
DE102013100410A1 (de) 2014-05-15
EP2725312A2 (de) 2014-04-30

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