EP2000754A3 - Method for estimation the thermal load of a circuit for a service fluid at outlet from a refrigerating machine - Google Patents

Method for estimation the thermal load of a circuit for a service fluid at outlet from a refrigerating machine Download PDF

Info

Publication number
EP2000754A3
EP2000754A3 EP20080157531 EP08157531A EP2000754A3 EP 2000754 A3 EP2000754 A3 EP 2000754A3 EP 20080157531 EP20080157531 EP 20080157531 EP 08157531 A EP08157531 A EP 08157531A EP 2000754 A3 EP2000754 A3 EP 2000754A3
Authority
EP
European Patent Office
Prior art keywords
refrigerating machine
service fluid
outlet
circuit
thermal load
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
EP20080157531
Other languages
German (de)
French (fr)
Other versions
EP2000754A2 (en
EP2000754B1 (en
Inventor
Alessandro Zen
Luca Cecchinato
Alessandro Beghi
Cristian Bodo
Alessandro Scodellaro
Michele Albieri
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.)
Rhoss SpA
Original Assignee
Rhoss SpA
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 Rhoss SpA filed Critical Rhoss SpA
Publication of EP2000754A2 publication Critical patent/EP2000754A2/en
Publication of EP2000754A3 publication Critical patent/EP2000754A3/en
Application granted granted Critical
Publication of EP2000754B1 publication Critical patent/EP2000754B1/en
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
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
    • 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
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation
    • 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
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
    • F25B2700/21172—Temperatures of an evaporator of the fluid cooled by the evaporator at the inlet
    • 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
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
    • F25B2700/21173—Temperatures of an evaporator of the fluid cooled by the evaporator at the outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

In a refrigerating machine (3) for an air-conditioning system (1), which is provided with one or more fan coils (2) and with a hydronic circuit (15) having a delivery branch (16) for circulation of a service fluid (5) from the refrigerating machine (3) to the fan coils (2) and a return branch (17) for return of the service fluid (5) at inlet to the refrigerating machine (3), via a pair of temperature sensors (21, 22), a delivery temperature (TDLV) of the service fluid (5) at outlet from the refrigerating machine (3) and a return temperature (TRET) of the service fluid (5) at inlet to the refrigerating machine (3) are measured, and the thermal load (FL) of the hydronic circuit (15) is estimated (106, 107, 109, 111) by processing, via a Kalman filter, the measurements of the delivery temperature (TDLV) and return temperature (TRET).
EP08157531.8A 2007-06-04 2008-06-04 Method for estimating the thermal load of a circuit for a service fluid at outlet from a refrigerating machine Not-in-force EP2000754B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO20070399 ITBO20070399A1 (en) 2007-06-04 2007-06-04 METHOD FOR ESTIMATING THE THERMAL LOAD OF A CIRCUIT FOR A SERVICE FLUID OUT OF A REFRIGERATED MACHINE

Publications (3)

Publication Number Publication Date
EP2000754A2 EP2000754A2 (en) 2008-12-10
EP2000754A3 true EP2000754A3 (en) 2013-03-27
EP2000754B1 EP2000754B1 (en) 2015-11-11

Family

ID=39817440

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08157531.8A Not-in-force EP2000754B1 (en) 2007-06-04 2008-06-04 Method for estimating the thermal load of a circuit for a service fluid at outlet from a refrigerating machine

Country Status (3)

Country Link
EP (1) EP2000754B1 (en)
ES (1) ES2560514T3 (en)
IT (1) ITBO20070399A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8999139B2 (en) * 2011-05-26 2015-04-07 Hach Company Oxidation/reduction measurement
DE102018127175A1 (en) * 2018-10-31 2020-04-30 Klaus Scherrieble System and method for regulating and monitoring refrigeration for a unit
DE102020118762A1 (en) 2020-07-16 2022-01-20 Vaillant Gmbh Mass flow estimation in left-handed cycles
CN114971029B (en) * 2022-05-30 2024-09-24 重庆邮电大学 Comprehensive energy optimization scheduling method for rural households based on NSGA-III algorithm
CN118089209B (en) * 2024-04-25 2024-07-19 深圳市思科顿环保科技有限公司 Real-time monitoring method for working data of air energy cooling and heating machine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610643A (en) * 1979-07-06 1981-02-03 Mitsubishi Electric Corp Water cooler
JPH05296516A (en) * 1992-04-18 1993-11-09 Osaka Gas Co Ltd Cooling apparatus
WO1993022625A1 (en) * 1992-05-05 1993-11-11 Antti Aarne Ilmari Lange Method for fast kalman filtering in large dynamic systems
US5735134A (en) * 1996-05-30 1998-04-07 Massachusetts Institute Of Technology Set point optimization in vapor compression cycles
JPH10300163A (en) * 1997-04-28 1998-11-13 Mitsubishi Electric Corp Operating method of air conditioner and air conditioner
EP0883046A1 (en) * 1997-06-05 1998-12-09 Carrier Corporation Prediction of chiller compressor motor overheating
EP0953889A2 (en) * 1998-04-28 1999-11-03 DaimlerChrysler AG Method and device for detecting and locating sensor failures in motor vehicles
JP2003336913A (en) * 2002-05-22 2003-11-28 Daikin Ind Ltd Refrigeration device control method and refrigeration device
JP2004293999A (en) * 2003-03-28 2004-10-21 Hitachi Ltd Air conditioner

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610643A (en) * 1979-07-06 1981-02-03 Mitsubishi Electric Corp Water cooler
JPH05296516A (en) * 1992-04-18 1993-11-09 Osaka Gas Co Ltd Cooling apparatus
WO1993022625A1 (en) * 1992-05-05 1993-11-11 Antti Aarne Ilmari Lange Method for fast kalman filtering in large dynamic systems
US5735134A (en) * 1996-05-30 1998-04-07 Massachusetts Institute Of Technology Set point optimization in vapor compression cycles
JPH10300163A (en) * 1997-04-28 1998-11-13 Mitsubishi Electric Corp Operating method of air conditioner and air conditioner
EP0883046A1 (en) * 1997-06-05 1998-12-09 Carrier Corporation Prediction of chiller compressor motor overheating
EP0953889A2 (en) * 1998-04-28 1999-11-03 DaimlerChrysler AG Method and device for detecting and locating sensor failures in motor vehicles
JP2003336913A (en) * 2002-05-22 2003-11-28 Daikin Ind Ltd Refrigeration device control method and refrigeration device
JP2004293999A (en) * 2003-03-28 2004-10-21 Hitachi Ltd Air conditioner

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NOBUO NAKAHARA ET AL: "Load prediction for optimal thermal storage - comparison of three kinds of model application", 1 January 1999 (1999-01-01), pages 519 - 526, XP002659192, Retrieved from the Internet <URL:http://www.ibpsa.org/proceedings/BS1999/BS99_D-16.pdf> [retrieved on 20110915] *
YOSHIDA AND T IWAMI H: "Typical Faults of Air Conditioning Systems and Fault Detection by ARX Model and Extended Kalman Filter", ASHRAE TRANSACTIONS, AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING ENGINEERS, US, vol. 102, no. 1, 1 January 1996 (1996-01-01), pages 557 - 564, XP009152177, ISSN: 0891-8295 *

Also Published As

Publication number Publication date
ITBO20070399A1 (en) 2008-12-05
ES2560514T3 (en) 2016-02-19
EP2000754A2 (en) 2008-12-10
EP2000754B1 (en) 2015-11-11

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