EP1988348B1 - Procédé de réglage du type de fonctionnement d'une pompe à chaleur - Google Patents

Procédé de réglage du type de fonctionnement d'une pompe à chaleur Download PDF

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Publication number
EP1988348B1
EP1988348B1 EP08007819A EP08007819A EP1988348B1 EP 1988348 B1 EP1988348 B1 EP 1988348B1 EP 08007819 A EP08007819 A EP 08007819A EP 08007819 A EP08007819 A EP 08007819A EP 1988348 B1 EP1988348 B1 EP 1988348B1
Authority
EP
European Patent Office
Prior art keywords
heat pump
temperature
heating
mode
setting
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.)
Not-in-force
Application number
EP08007819A
Other languages
German (de)
English (en)
Other versions
EP1988348A1 (fr
Inventor
Petro Chesnokov
Axel Schöps
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.)
Vaillant GmbH
Original Assignee
Vaillant 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 Vaillant GmbH filed Critical Vaillant GmbH
Publication of EP1988348A1 publication Critical patent/EP1988348A1/fr
Application granted granted Critical
Publication of EP1988348B1 publication Critical patent/EP1988348B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F24F11/67—Switching between heating and cooling modes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/30—Velocity
    • F24F2110/32—Velocity of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/54—Heating and cooling, simultaneously or alternatively
    • 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
    • F25B2700/2106—Temperatures of fresh outdoor air

Definitions

  • the invention relates to a method for operating mode adjustment of a heat pump.
  • Heat pumps can be used for heating or cooling purposes. In heating operation, energy is usually raised from an environmental heat source to a higher temperature level so that service or heating water can be heated. During cooling operation, the room to be cooled is specifically deprived of heat, which is dissipated at another location. Finally, a heat pump can be in standby. This is an operating condition in which there is neither a heating nor a cooling request.
  • a manual switch is often used to distinguish between winter operation and summer operation. While in summer mode only service water is heated, in the winter heat is provided both for service water as well as for space heating. Some heaters have an outdoor temperature sensor, which automatically switches the heating from summer to winter operation. If the outside temperature exceeds a preset value, summer mode is switched over. If the measured outside temperature falls below a value again, the system switches over to winter operation.
  • Heat pumps can also be operated in cooling mode in addition to the heating mode. If the outside temperature exceeds a certain value, a heat pump can be switched from heating to cooling mode. This has the disadvantage that outside temperature fluctuations in the course of a day lead to constant switching.
  • the publication JP 59-035745 A discloses a method of operating an air conditioner wherein each day at a certain time the temperature of the environment is compared with the pre-heating temperature at the same time. If the temperature difference is less than a threshold limit value, the system continues to operate unchanged, otherwise the operating parameters are adjusted. At the same time, the measured temperature is compared with a temperature corresponding to the average temperature in March between 9 and 17 o'clock in an average year. If the measured temperature is lower, the system switches to winter mode. On the other hand, if the measured temperature is higher than the average temperature in June between 9 am and 5 pm in an average year, the system switches to summer mode.
  • JP 2003083586 discloses an air conditioner which measures the interior temperature. If the current room temperature is in a predetermined range between lower and upper limit, then neither cooled nor heated. If the room temperature is above the upper limit, it is cooled at a predetermined temperature; Is the room temperature below the lower limit, it is heated at a predetermined temperature. The average value of the outside air temperature of the last two weeks measured by means of a seasonal sensor is calculated. The average is divided into the 3 areas. These 3 outside temperature ranges are used exclusively to adapt the measured inside switching temperatures to the seasons. So it is cooled at a high outside temperature only at a higher internal temperature than at a low outdoor temperature. Regardless of the season or the average of the outside temperature is switched only depending on the current internal temperature between the heating, the cooling mode and standby.
  • JP 2007003096 describes an air conditioning system that takes into account the temperature variation in a given time frame. This takes into account the estimated share of cloud formation, the insulation of the building and the heat transfer due to solar radiation.
  • JP 2004028440 describes a device with separate heating and cooling device and an unspecified named apparatus. Each of these is assigned a computing element which calculates a 20-day mean value of an outside temperature sensor. The calculators all independently calculate the 20-day mean and pass it on to independent seasons calculator. Their output signals independently operate the heating and cooling equipment and the apparatus via the independent heat source controllers, cooling controller and regulator.
  • the object of the present invention is therefore to find a method which enables an automatic changeover of the operating modes as needed and in this case takes into account the thermal inertia of the overall system.
  • the operating mode setting of a heat pump is used as a function of the average value of the temperature detected by an external temperature sensor in a predetermined period for switching between the heating mode, the cooling mode and the standby.
  • the operating mode setting of a heat pump is used as a function of the average value of the temperature detected by an external temperature sensor in a predetermined period for switching between the heating mode, the cooling mode and the standby.
  • the night phase is not taken into account, as this usually does not have to be regulated to the setpoint temperature. This is particularly useful in well-insulated houses, while in poorly insulated houses and the cooling in winter or heating in the summer during the night phase must be considered. In these cases, the scheme may consider the night phases with less weight. In general, a certain period of time or the periods of night reduction can be considered under the night phase.
  • the predetermined time can be adjustable. With a good thermal insulation of a building, it is possible to choose a long predetermined period, since the thermal inertia of the building in this case prevents greater fluctuations. If, on the other hand, the thermal insulation of a building is poor, then the given time must be selected to be correspondingly small in order to avoid cooling down or overheating.
  • the figure shows on the one hand the recording of the currently measured outside temperature T current on an object and on the other hand the over the last 24 hours averaged outside temperature line T average, 24h , which by definition is subject to lower fluctuations. It is assumed in the embodiment, that a heating operation should take place below 18 ° C (T heat ), while above 22 ° C (T cool, on / off ) the cooling mode starts.
  • T heat 18 ° C
  • T cool 22 ° C
  • the operating mode characteristic shows that this means that only a few changes of the operating mode (standby, heating mode, cooling mode) must take place. In addition, a manual switching of the user between heating and cooling is unnecessary.
  • the heat pump When the heat pump is in heating mode, it does not necessarily mean that it always has to be operated but can only wait for a heat request. The same applies to the cooling operation. However, the operating mode specifies the connection of the system, so that if necessary, the heat pump can be operated heating or cooling for the user. In cooling mode, the heat dissipated from a room can usually be used for service water purposes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Claims (2)

  1. Méthode de réglage du mode de fonctionnement d'une pompe à chaleur comprenant un capteur thermique externe, caractérisé en ce que la moyenne (T moyenne) de la température (T courant) mesurée au moyen du capteur de température externe est utilisée sur une période de plusieurs jours entiers, de préférence un jour, pour alterner entre le mode chauffage, le mode refroidissement et veille, les périodes de la phase nocturne étant négligées ou considérées avec un coefficient moindre.
  2. Méthode de réglage du mode de fonctionnement d'une pompe à chaleur selon la revendication 1, caractérisée en ce que la période prédéterminée est ajustable ; la bonne isolation thermique et la grande capacité de stockage de la réalisation dans laquelle la pompe à chaleur fonctionne étant utilisée de préférence pour de longues périodes.
EP08007819A 2007-04-30 2008-04-23 Procédé de réglage du type de fonctionnement d'une pompe à chaleur Not-in-force EP1988348B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0067007A AT505216B1 (de) 2007-04-30 2007-04-30 Betriebsarteinstellung einer wärmepumpe

Publications (2)

Publication Number Publication Date
EP1988348A1 EP1988348A1 (fr) 2008-11-05
EP1988348B1 true EP1988348B1 (fr) 2012-02-01

Family

ID=39684258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08007819A Not-in-force EP1988348B1 (fr) 2007-04-30 2008-04-23 Procédé de réglage du type de fonctionnement d'une pompe à chaleur

Country Status (5)

Country Link
EP (1) EP1988348B1 (fr)
AT (2) AT505216B1 (fr)
DE (1) DE102008020338A1 (fr)
DK (1) DK1988348T3 (fr)
ES (1) ES2381048T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2597386B1 (fr) * 2011-11-28 2018-11-21 Giuseppe Fioretti Dispositif de refroidissement et de chauffage pour les lieux où sont installées des cuisines industrielles
CN110857806B (zh) * 2018-08-24 2022-07-22 广东松下环境系统有限公司 送风装置的控制方法及应用其的送风装置
CN110925943B (zh) * 2019-11-26 2021-02-12 珠海格力电器股份有限公司 空气源热泵机组的控制方法、装置、设备及存储介质
CN111193261A (zh) * 2020-01-16 2020-05-22 国网浙江省电力有限公司电力科学研究院 一种基于建筑等效热储能的多能流系统日前优化方法
DE102022117671A1 (de) 2022-07-14 2024-01-25 Viessmann Climate Solutions Se Verfahren zur Betriebszustandsüberwachung eines Heizungssystems, Verfahren zum Steuern eines Heizungssystems und Heizungssystem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935745A (ja) 1982-08-23 1984-02-27 Hitachi Ltd 空調制御における季節判定方法
US5924289A (en) 1997-07-01 1999-07-20 Medical Products, Inc. Controlled temperature cabinet system and method
JP2003083586A (ja) 2001-09-10 2003-03-19 Matsushita Electric Ind Co Ltd 空気調和機の制御装置
JP2004028440A (ja) 2002-06-25 2004-01-29 Sanki Eng Co Ltd 空調設備
JP4461064B2 (ja) 2005-06-23 2010-05-12 株式会社東芝 空調制御装置

Also Published As

Publication number Publication date
DE102008020338A1 (de) 2008-11-06
AT505216B1 (de) 2011-06-15
ATE544037T1 (de) 2012-02-15
EP1988348A1 (fr) 2008-11-05
AT505216A1 (de) 2008-11-15
ES2381048T3 (es) 2012-05-22
DK1988348T3 (da) 2012-05-14

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