EP1438536A1 - Installation de conditionnement d'air - Google Patents

Installation de conditionnement d'air

Info

Publication number
EP1438536A1
EP1438536A1 EP02773113A EP02773113A EP1438536A1 EP 1438536 A1 EP1438536 A1 EP 1438536A1 EP 02773113 A EP02773113 A EP 02773113A EP 02773113 A EP02773113 A EP 02773113A EP 1438536 A1 EP1438536 A1 EP 1438536A1
Authority
EP
European Patent Office
Prior art keywords
medium
circuit
heat energy
heat
transferring
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
EP02773113A
Other languages
German (de)
English (en)
Other versions
EP1438536B1 (fr
Inventor
Hans-Göran GÖRANSSON
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.)
Forsta Narvarmeverket AB
Original Assignee
Forsta Narvarmeverket AB
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 Forsta Narvarmeverket AB filed Critical Forsta Narvarmeverket AB
Publication of EP1438536A1 publication Critical patent/EP1438536A1/fr
Application granted granted Critical
Publication of EP1438536B1 publication Critical patent/EP1438536B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F24D11/0214—Central heating systems using heat accumulated in storage masses using heat pumps water heating system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
    • 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
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system

Definitions

  • the present invention is related to a climate control installation according to the preamble of the appended independent claims.
  • climate control installations comprising a heating boiler operating with fossil fuels have been used for a long time. It is also known to include in climate control installations a heat pump complementary to the heating boiler in order to decrease the use of fossil fuels. In the latter type of heat installations mainly the heat pump is utilized during the summer for meeting the present heating demand, whereas the heating boiler meets a major part of the heating demand during the winter, the heat pump contributing to the heating to a less extent than during the summer.
  • the object of the present invention is to provide a climate control installation of the initially defined kind, which in comparison with prior art utilizes the components of the climate control in- stallation more effectively for achieving better operating economy and a better utilization of the energy sources used.
  • This object is achieved according to a first aspect of the invention by providing a climate control installation with the features according to claim 1.
  • the second connection is adapted to enable removal of a heat energy excess of the second circuit via the first heat energy transferring member by transferring the heat energy excess to the third medium.
  • the first heat energy transferring member In addition to use for transferring heat energy from the third medium to the first medium it is, accordingly, possible to via the first heat energy transferring member transfer a heat energy excess of the second circuit to the third medium. At the same time as the first heat energy transferring member is utilized more effectively, there is no need for installation of any member for transferring heat energy in the second circuit for enabling a re- moval of a heat energy excess present therein to any other medium than the third medium.
  • the second connection is adapted to enable transfer of heat energy from the third medium via the first heat energy transferring member and the first circuit directly to the second circuit without using the heat pump.
  • heat energy from the third medium may be ab- sorbed directly by the second circuit for heating purposes without having to use the heat pump.
  • This contributes to a de- creased use of the heat pump, which is advantageous for the operating economy of the installation.
  • the third medium has heat emitting as well as heat storing properties.
  • This stored heat energy may then be utilized in different ways. For instance, when there due to changed operating conditions arises a need for use of the heat pump for heating purposes, the stored energy may be transferred via the first heat energy transferring member to the first medium and be reused by the heat pump for heating purposes. This results in that the heat pump needs to add less work for achieving heating compared with the case when no heat energy from the second circuit has been stored previously in the third medium.
  • the heat energy stored in the third medium may, if desired, also be utilized for heating purposes directly without using the heat pump. This is achieved by transferring the heat energy stored in the third medium via the first heat energy transferring member and the first circuit through the second connection to the second circuit.
  • the object is achieved according to a second aspect of the in- vention by providing a climate control installation with the features according to claim 8.
  • the second heat energy transferring member in the first circuit transfer of further heat energy to the first medium in addition to the energy being transferred via the first heat energy transferring member is enabled, which improves the efficiency of the heat pump. Furthermore, existing energy sources are utilized advantageously in that cooling indoor air may contribute in heating, for instance, tap hot water. According to a preferred embodiment of the invention the second heat energy transferring member is arranged in the first circuit in series with the first heat energy transferring member and after, in the flow direction, the first heat energy transferring member.
  • Fig 1 is a schematic view illustrating a climate control installation according to a first embodiment of the invention
  • Fig 2 is a schematic view illustrating a climate control installation according to a second embodiment of the invention.
  • Fig 3 is a schematic view illustrating a climate control installation according to a third embodiment of the invention. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION
  • Fig 1 is very schematically shown a climate control installa- tion according to a first embodiment of the invention.
  • the installation includes a heat pump 1 , the input side of which being connected to a first circuit 1 1 containing a first medium.
  • the heat pump 1 is connected, on its output side, to a second circuit 12 containing a second medium.
  • the circuit 12 contains water and the circuit 1 1 contains a gly- col/water mixture.
  • a conventional circulation pump 13 is arranged in the circuit 12 and a conven- tional circulation pump 14 is arranged in the circuit 1 1 for circulating the media in the respective circuits.
  • the heat pump is adapted to, during circulation of the first medium in the first circuit 1 1 and the second medium in the second circuit 12, absorb heat energy from the first medium on its input side and emit heat energy to the second medium on its output side.
  • heat pump 1 In addition to the heat pump 1 normally also some other heat production unit 2, for instance a heating boiler operating with fossil fuels, such as for instance oil or gas, is included in the installation.
  • the unit 2 is connected to a system for heating premises and tap hot water via the circuit 12.
  • the system schematically illustrated by the block 3, comprises for instance radiators and hot water tap locations.
  • the heat pump 1 as well as the heat production unit 2 contributes in transferring heat energy to the second medium in the second circuit 12 and by that they also contributes in heating premises and tap hot water via the system 3.
  • the heat pump 1 comprises an evaporator 15, a condenser 16 and a compressor 17 and works in the conventional way as follows.
  • a medium of the heat pump absorbs heat energy via the evapora- tor 15.
  • Work is added via the compressor 17, whereby the pressure and the temperature of the medium of the heat pump is increased.
  • heat energy is then emitted to the second medium in the second circuit 12 by heat exchange and then the medium of the heat pump is returned to the evaporator 15 during pressure and temperature decrease.
  • the heat pump 1 in order for the heat pump 1 to work energy has to be transferred to the medium in the circuit 1 1.
  • a first member 21 for transfer- ring heat energy between the first medium and a third medium there is arranged in the circuit 1 1 a first member 21 for transfer- ring heat energy between the first medium and a third medium.
  • the third medium include outdoor air, air from ventilation, rock and ground water.
  • the heat energy transferring member 21 is provided in the form of a heat exchanger, which is adjusted to heat exchange between the first medium and the third medium. The adjustment depends on a plurality of factors, the aggregate state of the respective media being of substantial importance.
  • the installation comprises a connection 30 between the first circuit 1 1 and the second circuit 12 for transferring heat energy between the second circuit and the third medium via the first heat energy transferring member.
  • This connection 30, preferably comprising a heat exchanger is in this example adapted to enable removal of the heat energy excess in the second circuit 12 via the first heat energy transferring member 21 by transferring the heat energy excess to the third medium.
  • connection 30 comprises a heat exchanger 38, which via two conduits 33 and 34 is connected to the circuit 1 1 .
  • the conduit 33 is joined to the circuit 11 upstream in relation to the first heat energy transferring member 21 and the conduit 34 is joined thereto downstream in relation to the first heat energy transfer- ring member 21 .
  • two other conduits 35 and 36 connect the heat exchanger 38 to the circuit 12.
  • valve member 32 When heat energy is to be transferred between the second circuit 12 and the first circuit 1 1 , the valve member 32 is suitably opened and the pump 31 is suitably started. In an operation condition, when no heat energy is to be transferred between the circuits 1 1 , 12, the valve member 32 is closed and the pump 31 is adapted not to circulate the first medium. Preferably, the pump 31 is turned off in this operating condition. Furthermore, preferably a valve member 37 is provided in the circuit 12.
  • the valve member 37 is suitably con- trolled so that it allows circulation of the second medium to the connection 30, in this embodiment via conduits 36 and 35 to the heat exchanger 38, when transferring heat energy between the circuits 1 1 , 12 and so that it does not allow any circulation of the second medium to the connection 30, when no heat energy is to be transferred between the circuits 11 , 12.
  • the third medium has heat emitting as well as heat storing properties, which is very advantageous, since hereby it is possible to store the heat energy excess transferred from the second circuit 12 in the third medium. The stored energy may then be reused, for instance by the heat pump 1 , for heating purposes, when the operating conditions change, that is when the heat pump is started for heating purposes.
  • the third medium is ground, preferably rock, which has said properties.
  • the heat energy stored in the third medium may be sufficiently large for meeting the heating demand present in the system 3.
  • the connection 30 is adapted to enable transfer of heat energy from the third medium via the first heat energy transferring member 21 and the first circuit 1 1 directly to the second circuit.
  • the heat energy stored in the third medium may be transferred to the second circuit 12, for heating purposes, directly via the connection 30 without using the heat pump 1.
  • Fig 2 is schematically illustrated a second embodiment of a climate control installation according to the invention.
  • This embodiment is much similar to the embodiment illustrated in Fig 1 , as regards design and function, but has no connection 30 and the possibilities afforded by that.
  • Identical components are indicated with identical reference numerals and they will therefor not be described more in detail.
  • the first circuit comprises at least one second member 22, for instance in the form of a suitably adapted heat exchanger, for transferring heat energy between the first medium and indoor air.
  • the second heat energy transferring member 22 is adapted to transfer heat energy from the indoor air to the first medium.
  • the heat pump 1 may also be used for cooling indoor air and thus not only for heating indoor air and tap hot water via the system 3.
  • the heat pump 1 When there is a heating demand present in the system 3 and the heat pump 1 is operated for that reason, consequently, it is possible to at the same time meet a need for cooling indoor air by transferring, via the heat energy transferring member 22, heat energy from indoor air to the first medium in the circuit 1 1 . For instance, during summertime tap hot water is provided by means of cooling the indoor air.
  • the second heat energy transferring member 22 is arranged in the first circuit 1 1 in series with the first heat energy transferring member 21 and after, in the flow direction, the first heat energy transferring member 21 .
  • the heat pump does not have to be operated for cooling the indoor air, which is energy saving, and it is sufficient to operate the pump 14 for circulation of the first medium in the circuit 1 1 .
  • the third medium is ground, preferably rock, which during summertime has a temperature being substantially lower than the temperature of the indoor air.
  • this control means is a valve member 25, which suitably allows circulation of the first medium via the heat energy transferring member 22, when indoor air is to be cooled and not allows such circulation otherwise.
  • Fig 3 is illustrated a third embodiment of an inventional climate control installation, which has the features of the first embodiment as well as the features of the second embodiment.
  • a combination of the advantages associated with the respective embodiment is achieved.
  • this embodiment is advantageous, for instance when the need for cooling indoor air is greater than the need for heating present in the system 3. If the heat pump 1 in that case is operated for cooling purposes, a heat excess may arise in the circuit 12, which has to be removed. This is, for instance, possible to achieve by providing in the circuit 12 a member (not shown) for transferring energy between the second medium and some other further medium.
  • the installation comprises a connection 30 between the first circuit 11 and the second circuit 12 for transferring heat energy between the second circuit 12 and the third medium via the first heat energy transferring member 21 , such as already described above with reference to Fig 1.
  • This connection 30, preferably comprising a heat exchanger is in this example adapted to enable removal of the heat energy excess in the second circuit 12 via the first heat energy transferring member 21 by transferring the heat energy excess to the third medium.
  • the third medium has heat emitting as well as heat storing properties. This is very advantageous in that hereby it is possible to store in the third medium the heat excess arising in the second circuit as a result of cooling the indoor air by means of the heat pump. The stored energy may then be reused directly or by means of the heat pump for heating purposes, when the operating conditions change as described above.
  • the installation illustrated in Fig 3 enables a very effective use of the components included in the installation.
  • the operation of the installation is, according to what has been described above, adjustable depending on present need for heating and/or cooling so that the energy sources used are utilized effectively.
  • a very advantageous use of the heat pump included in the installation for cooling as well as heating purposes is achieved.
  • the connection 30 between the two circuits 1 1 and 12 provides the possibility to alternatingly remove a heat energy excess on the condenser side of the heat pump 1 in the installation and absorb heat energy from a third medium on the evaporator side of the heat pump 1 in the installation via one and the same heat energy transferring member 21.
  • the third medium heat storing a heat energy excess removed from the second circuit may be reused directly or by the heat pump 1 for heating purposes.
  • the member 42 it is possible to provide more heat energy transferring members in parallel with the second heat energy transferring member 22, such as illustrated in Fig 3 by the member 42.
  • a valve member 26 for controlling the circulation of the first medium to and fro the member 42.
  • the valve member 26 is, for example, controlled in the same way as the valve member 25.
  • a plurality of heat energy transferring members in parallel with the first heat energy transferring member 21 , such as illustrated in Fig 3 by the member 39. It is also possible to utilize the flue gases from the heating boiler 2 for heating the first medium in the first circuit 1 1 . This is indicated in Fig 1 -3 by the conduit 24, which is connected to a heat energy transferring member 23 connected to the first circuit 1 1 . Suitably, in that case it is arranged a valve member 28 in the circuit 1 1 for controlling circulation of the first medium to the member 23, when the flue gases are to be utilized for heating the first medium and preventing such circulation otherwise.
  • a valve member 27 is arranged in the first circuit 1 1 for controlling the circulation of the first medium.
  • the valve member 27, preferably, controls the circulation so that it allows circulation via the first heat energy transferring member 21 (and possible further heat energy transferring members in parallel with this member 21 ) when energy is to be absorbed to the first medium via said member 21 and prevents such circulation when no heat energy is to be transferred between the first medium and the third me- dium via the member 21 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Central Heating Systems (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Cultivation Of Seaweed (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Selective Calling Equipment (AREA)

Abstract

L'invention concerne une installation de conditionnement d'air qui comprend un premier circuit (11) contenant un premier milieu, un deuxième circuit (12) comprenant un deuxième milieu, et une première connexion entre le premier circuit (11) et le deuxième circuit (12), sous forme de pompe à chaleur (1) ; le côté entrée de celle-ci étant connecté au premier circuit, et son côté sortie au deuxième circuit. La pompe à chaleur (1) sert à absorber, pendant la circulation du premier milieu et du deuxième milieu dans leur circuit respectif (11, 12), l'énergie thermique provenant du premier milieu, côté entrée de la pompe, et à transmettre cette énergie au deuxième milieu, côté sortie. Le premier circuit comprend au moins un premier élément (21) pour transférer l'énergie thermique entre le premier et le deuxième milieu. L'installation comprend une deuxième connexion (30), entre le premier circuit (11) et le deuxième circuit (12), qui sert à transférer l'énergie thermique entre le deuxième circuit (12) et un troisième milieu par l'intermédiaire du premier élément (21) de transfert d'énergie thermique.
EP02773113A 2001-10-01 2002-10-01 Installation de conditionnement d'air Expired - Lifetime EP1438536B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0103257 2001-10-01
SE0103257A SE523716C2 (sv) 2001-10-01 2001-10-01 Klimatanläggning
PCT/SE2002/001778 WO2003042600A1 (fr) 2001-10-01 2002-10-01 Installation de conditionnement d'air

Publications (2)

Publication Number Publication Date
EP1438536A1 true EP1438536A1 (fr) 2004-07-21
EP1438536B1 EP1438536B1 (fr) 2006-08-02

Family

ID=20285501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02773113A Expired - Lifetime EP1438536B1 (fr) 2001-10-01 2002-10-01 Installation de conditionnement d'air

Country Status (10)

Country Link
US (1) US20050155753A1 (fr)
EP (1) EP1438536B1 (fr)
JP (1) JP2005509828A (fr)
CN (1) CN1561442A (fr)
AT (1) ATE335172T1 (fr)
CA (1) CA2461458A1 (fr)
DE (1) DE60213637D1 (fr)
RU (1) RU2004113449A (fr)
SE (1) SE523716C2 (fr)
WO (1) WO2003042600A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2204619A3 (fr) * 2009-01-03 2017-09-13 Robert Bosch GmbH Dispositif et procédé pour un fonctionnement optimisé d'un système de climatisation et système de climatisation

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE527882C2 (sv) * 2004-11-26 2006-07-04 Foersta Naervaermeverket Ab Värmeanläggning och uppvärmningsförfarande
WO2008130306A1 (fr) * 2007-04-24 2008-10-30 Thermia Värme Ab Systeme de pompe a chaleur solaire
US9423159B2 (en) * 2009-12-21 2016-08-23 Trane International Inc. Bi-directional cascade heat pump system
US9995509B2 (en) * 2013-03-15 2018-06-12 Trane International Inc. Cascading heat recovery using a cooling unit as a source
SE539398C2 (sv) * 2014-11-10 2017-09-12 Energy Machines S A Värmeanläggning innefattande värmepump med växelvis anslutbara ackumulatortankar
EP3273169A1 (fr) 2016-07-19 2018-01-24 E.ON Sverige AB Système de transfert thermique
EP3273168A1 (fr) 2016-07-19 2018-01-24 E.ON Sverige AB Procede de commande du transfert de chaleur entre un systeme de refroidissement local et un systeme de chauffage local

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995446A (en) * 1975-07-14 1976-12-07 Eubank Marcus P Reverse air cycle air conditioner
BE836906A (fr) * 1975-12-19 1976-04-16
SE422841B (sv) * 1977-10-28 1982-03-29 Svenska Flaektfabriken Ab Vermeutvinningsanleggning

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03042600A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2204619A3 (fr) * 2009-01-03 2017-09-13 Robert Bosch GmbH Dispositif et procédé pour un fonctionnement optimisé d'un système de climatisation et système de climatisation

Also Published As

Publication number Publication date
ATE335172T1 (de) 2006-08-15
EP1438536B1 (fr) 2006-08-02
SE523716C2 (sv) 2004-05-11
WO2003042600A1 (fr) 2003-05-22
DE60213637D1 (de) 2006-09-14
RU2004113449A (ru) 2005-10-27
CA2461458A1 (fr) 2003-05-22
CN1561442A (zh) 2005-01-05
JP2005509828A (ja) 2005-04-14
SE0103257L (sv) 2003-04-02
SE0103257D0 (sv) 2001-10-01
US20050155753A1 (en) 2005-07-21

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