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EP4437280A1 - Système pour la climatisation d'un bâtiment - Google Patents

Système pour la climatisation d'un bâtiment

Info

Publication number
EP4437280A1
EP4437280A1 EP22822017.4A EP22822017A EP4437280A1 EP 4437280 A1 EP4437280 A1 EP 4437280A1 EP 22822017 A EP22822017 A EP 22822017A EP 4437280 A1 EP4437280 A1 EP 4437280A1
Authority
EP
European Patent Office
Prior art keywords
air
heat exchanger
building
heat pump
surface element
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.)
Pending
Application number
EP22822017.4A
Other languages
German (de)
English (en)
Inventor
Tobias Schweighart
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.)
Envola GmbH
Original Assignee
Envola 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 Envola GmbH filed Critical Envola GmbH
Publication of EP4437280A1 publication Critical patent/EP4437280A1/fr
Pending 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
    • 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
    • F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001—Compression cycle type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/46—Component arrangements in separate outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/002—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
    • F24F12/003—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid using a heat pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0227—Ducting arrangements using parts of the building, e.g. air ducts inside the floor, walls or ceiling of a building
    • 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
    • F24F5/0046—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 using natural energy, e.g. solar energy, energy from the ground
    • 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
    • F24F5/0075—Systems using thermal walls, e.g. double window
    • 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
    • F24F5/0075—Systems using thermal walls, e.g. double window
    • F24F2005/0082—Facades

Definitions

  • the invention relates to a system for air conditioning a building.
  • Modern systems are used as so-called ventilation and air conditioning systems, in which the outside air can be fed into the interior of the building as supply air via a heat exchanger using a radial fan. Exhaust air is often fed to the heat exchanger by means of an evaporative cooler, with the air sucked in by another radial fan leaving the building as exhaust air. In addition to various filters for cleaning the air, additional heaters can also be used so that interior ventilation is possible.
  • an air conditioner with a device housing with an exhaust air opening, supply air opening, exhaust air opening and outside air opening, a supply air and exhaust air fan, in circulating air operation of an outside air exhaust air flow and exhaust air supply air flow one behind the other and in outside air operation of the exhaust air exhaust air flow and outside air supply air flow one above the other is arranged cross-flow heat exchangers with heat exchanger bypass flaps arranged in the flow paths of the outside air supply air flow and the exhaust air flow of exhaust air for the transfer of thermal energy between the air flows men, a hybrid refrigeration system with a compressor, an evaporator and a condenser as well as a water/water glycol refrigerant heat exchanger as an additional condenser, a reheating device, a device for adiabatic spray humidification, flaps for controlling the air flows and a device for regulating the humidity and Temperature at least a part of the air flows described.
  • DE 29 26 610 A1 discloses a memory for providing the input heat energy at a low temperature level for heat pump systems, which absorb this energy and release it again at a higher temperature level.
  • a pool of water is designed in such a way that its water content can freeze without damaging the pool and that a heat exchanger system located on the pool floor or embedded in the pool floor allows the cooling and freezing heat of this pool to be fed to the cold side of a heat pump.
  • An energy store is known from DE 10 2015 104 909 A1, which has a heat exchanger which is floating on a lower basin designed as a lake and which can preferably be filled with water via a first supply line. is arranged, with water from the lower reservoir being supplied via a second feed line and coolant penetrating the heat exchanger being fed via a third feed line to a heat pump in separate circuits, so that energy is released via the heat exchanger with the water in the lower reservoir icing up or in the form of sensible heat from the water of the lower basin can be removed and passed on to a consumer for heat dissipation and/or cold dissipation.
  • DE 10 2015 121 177 A1 discloses a floating device for introducing thermal energy into a body of water and for extracting thermal energy from the body of water, which has a water heat exchanger that is immersed in the body of water after the device has been inserted and a Has an inlet and an outlet for a heat transfer fluid that can deliver thermal energy to the water body or withdraw heat energy from the body of water.
  • the device also has an air heat exchanger, which can be penetrated by ambient air and also has an inlet for water originating from the body of water with a corresponding outlet, so that water can flow from the body of water through the air heat exchanger, with thermal energy between the air heat exchanger ambient air flowing through and the water flowing through the air heat exchanger.
  • the devices described above usually interact with a heat pump installed in a building. This can be supplied with electrical energy, for example, via the power grid or your own power storage unit.
  • a system for air conditioning a building which has a rear-ventilated surface element which is connected to at least one exhaust air duct for removing the air from the rear ventilation, and which is provided with an air conditioning device which is connected to a fluid circuit of a heat pump, wherein the exhaust air duct and a further fluid circuit of the heat pump are connected to an energy store arranged outside the building, wherein the energy store is designed for energy transmission and energy storage with a heat exchanger in a liquid reservoir, which is connected via the heat exchanger to the further fluid circuit of the heat pump, the air from the exhaust air duct being fed into the liquid reservoir via a heat exchanger.
  • the air conditioner in the indoor air conditioning system, is used for heating and cooling the outside air by means of the heat pump.
  • the space heaters that are often present in regions with a heating requirement can be omitted.
  • the air from the rear ventilation of the building's surface element is routed via the energy store and blown off as exhaust air. A large part of the energy is recovered with the heat pump via the further fluid circuit.
  • installation costs are significantly reduced.
  • Air conditioners are in regions with a heating requirement, for example in winter, often without a function, since underfloor heating is used as room heating for reasons of comfort.
  • the inventive concept is expanded such that after flowing through the heat exchanger in the liquid reservoir, the exhaust air now leaving the system is fed to an air heat exchanger, with the air from the rear ventilation of the surface element being able to mix with outside air in front of the air heat exchanger.
  • the energy still contained in the air from the rear ventilation of the surface element can now also be used via the air heat exchanger, whereby it has proven to be advantageous to first feed the air from the rear ventilation of the surface element to a heat exchanger with a liquid reservoir and not to mix it immediately with the outside air , since in this way possibly large temperature differences can be avoided.
  • the combination of the first heat exchanger in the liquid reservoir and the second heat exchanger as an air heat exchanger in combination tion with the supply of outside air allows a very efficient operation of the system according to the invention.
  • the air heat exchanger is arranged above the liquid reservoir in such a way that a radially inwardly directed air flow from exhaust air and outside air can be generated through the air heat exchanger by means of a fan arranged inside, with the air flow leaving the system in a central area.
  • the air flow of the air from the rear ventilation of the surface element leaves the liquid reservoir along an outer circumference of the liquid reservoir, so that the air heat exchanger then advantageously flows radially inward again, so that the air flow can leave the system in a central area.
  • an air flow is made possible, which follows the arrangement of the individual components without major deflections around obstacles, so that overall a simple construction of the energy store is possible.
  • an air inlet for outside air is embodied in the form of a slot along an outer circumference of a cover and an air outlet for outside air and air from the rear ventilation of the planar element is preferably formed centrally on the cover.
  • the flow of outside air through the air heat exchanger can be easily achieved in this way, so that a compact design of the energy storage device contributes to overall reduced installation costs of the system for air conditioning of interior spaces.
  • the surface element is a photovoltaic system with rear ventilation. According to a further embodiment of the invention, the surface element is a facade element with rear ventilation.
  • further exhaust air is supplied to the air from the rear ventilation of the planar element.
  • the energy store is connected via a further heat pump to an air-conditioning device for air-conditioning the interior of the building.
  • an air conditioner is arranged on a ceiling, on a wall or in a parapet of the interior.
  • the refrigeration device can be arranged at different locations, with different configurations of the refrigeration device being able to be selected here if it is to be used in a residential building or in an office building.
  • a connection to the exhaust air duct must also be created for the cooling unit.
  • the energy stored in the liquid reservoir of the energy storage device can be used to heat the outside air via the heat pump using the fluid circuit, so that there is a pleasant indoor climate when heating is required.
  • the discharged exhaust air is in turn fed to the energy store so that the energy contained therein can be extracted.
  • the air conditioning unit cools the outside air before it is released as supply air into the interior using the fluid circuit of the heat pump.
  • the system according to the invention can also be used for air conditioning of interior spaces.
  • the air conditioner often works in recirculation mode. If neither heating nor cooling of the room air is desired, the air conditioner can work in a recirculation mode to exchange used room air, so that staying in the interior is possible under improved conditions.
  • Figure 1 is a side view of a system according to the invention in a schematic representation
  • FIG. 2 shows a sectional view through an energy store for use in a system according to FIG. 1,
  • FIG. 3 shows a plan view of the energy store from FIG. 2,
  • FIG. 5 shows a further schematic illustration of a surface element for use in a system according to FIG. 1, and
  • FIG. 6 shows a further schematic representation of a surface element for use in a system according to FIG.
  • FIG. 1 shows a system 2 according to the invention for air conditioning a building 6 in one embodiment.
  • the building 6 can be a residential building or an office building, for example.
  • the invention can be applied to different types of buildings, the example shown should therefore be considered non-limiting.
  • the building 6 has, for example, a facade cladding attached to a side wall as a surface element 4 .
  • the planar element 4 is equipped with rear ventilation, from which air that rises and is being heated from the rear ventilation of the planar element 4 is supplied to an exhaust air duct 10 .
  • the surface element 4 is attached to a side wall of the building 6 .
  • the surface element 4 can also be spaced apart from it, for example on a carport or the like.
  • the exhaust air duct 10 is connected via a supply line 12 to an energy store 14 which has a liquid reservoir 16 in a lower part, in which a heat exchanger 18 is located.
  • the energy store 14, which will be explained in detail in FIG. 2, is arranged outside the building 6 and will typically be buried in the ground.
  • An air heat exchanger 22 is located above the liquid reservoir 16 over an insulating layer 20.
  • the air heat exchanger 22 is arranged in several segments around a central area 24 of the energy store 14 .
  • the exhaust air supplied via the supply line 12 is first routed via a heat exchanger, not shown in Figure 1, which lies below the insulation layer 20 and is marked in Figure 1 with the reference number 26, so that the energy contained in the exhaust air is first supplied to the liquid reservoir 16 .
  • the air After passing through the heat exchanger 26, the air is guided radially from the outside through the air heat exchanger 22 and leaves the system 2 in the central area 24.
  • a fluid circuit 28 is provided for the operation of the heat exchanger 18, which connects the heat exchanger 18 with a preferably inside the building 6
  • Heat pump 30 connects.
  • the heat pump 30 can also be connected to other components, such as a hot water tank 40 which is connected to a heater 42 . However, these components do not form part of the invention, so that a detailed description thereof can be omitted.
  • the energy store 14 is shown again in a cross-sectional view.
  • the energy store 14 has a multiplicity of pipes which are connected to the heat pump 30 via the fluid circuit 28 .
  • the liquid reservoir 16 will be filled with water or a paraffin compound.
  • the heat exchanger 26 through which the heated air from the rear ventilation of the surface element 4 flows radially outwards, so that the air now exits as exhaust air 44 in the area of a gap between the insulation layer 20 and an outer shell 46.
  • a fan 48 which draws in the exhaust air 44 together with outside air 50, which can flow in radially from the outside between the sleeve 26 and a cover 52, in the direction of the central area 24, where the air then leaves the system 2.
  • the air heat exchanger 22 is above the liquid reservoir 16 above the insulation layer 20.
  • the air supplied via the supply line 12 from the rear ventilation of the planar element 4 is first conducted via the heat exchanger 26, so that the energy contained in the air is first fed to the liquid reservoir 16.
  • the air After passing through the heat exchanger 26, the air is guided radially from the outside through the air heat exchanger 22 and leaves the system 2 in the central area 24.
  • the fluid circuit 28 which connects the heat exchanger 18 to a heat pump 30 preferably located inside building 6
  • Heat exchanger 26 can be made of metal with a large number of lamellae, in particular radially aligned lamellae, which guide the air flow as shown in FIG.
  • FIG. 4 shows a further embodiment of the planar element 4 in a schematic sectional view.
  • surface element 4 is solar cells 60 in the form of roof tiles.
  • the roof tiles 60 are fastened to a substructure and are separated from one another by means of cross braces 64 and overlap like the conventional structure of a roof.
  • Incoming air 66 flows through the surface element 4 on the underside of the solar cells 60 and ensures the desired rear ventilation.
  • the exiting air 68 which leaves the planar element 4 as air from the rear ventilation in the supply to the exhaust air duct 10 already described in connection with FIG.
  • a photovoltaic system can also be used as the surface element 4 .
  • FIG. 1 A further embodiment of the surface element 4 is shown in FIG. 1
  • the surface element 4 is here a facade element, which is shown in Figure 5 in a sectional view.
  • the facade element 70 is on the building spaced from an insulation 72 so that air can enter behind the facade element 70 from below and is guided upwards, where it is supplied to the exhaust air duct 10 as air from the rear ventilation of the surface element 4, as indicated by the arrows 74.
  • the insulating layer 72 is arranged directly on a masonry 76 .
  • an unillustrated air conditioner is used for heating and cooling the outside air by means of the heat pump 30 .
  • the space heaters that are often present in regions with a heating requirement can be omitted.
  • the heated air from the rear ventilation of the planar element 4 of the building 6 is passed over the energy store 14 and then blown off.
  • the air from the rear ventilation of the surface element 4 can be supplied with a ventilator or a fan.
  • a large part of the energy is recovered with the heat pump 30 via the further fluid circuit 28 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Civil Engineering (AREA)
  • Building Environments (AREA)

Abstract

L'invention se rapporte à un système pour la climatisation d'un bâtiment qui présente un élément plan à ventilation arrière qui est raccordé à au moins un conduit d'évacuation pour l'évacuation d'air de la ventilation arrière, et qui est doté d'une unité de climatisation qui est raccordée à un circuit de fluide d'une pompe à chaleur, dans lequel : le conduit d'échappement et un circuit de fluide supplémentaire de la pompe à chaleur sont raccordés à un accumulateur d'énergie situé à l'extérieur du bâtiment ; l'accumulateur d'énergie, pour le transfert d'énergie et pour le stockage d'énergie, comprenant un échangeur de chaleur dans un réservoir de liquide qui est raccordé au circuit de fluide supplémentaire de la pompe à chaleur par l'intermédiaire de l'échangeur de chaleur ; et de l'air est guidé hors du conduit d'évacuation dans le réservoir de liquide par l'intermédiaire d'un élément de transfert de chaleur.
EP22822017.4A 2021-11-24 2022-11-23 Système pour la climatisation d'un bâtiment Pending EP4437280A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021130845.3A DE102021130845A1 (de) 2021-11-24 2021-11-24 System zur Klimatisierung eines Gebäudes.
PCT/EP2022/083034 WO2023094478A1 (fr) 2021-11-24 2022-11-23 Système pour la climatisation d'un bâtiment

Publications (1)

Publication Number Publication Date
EP4437280A1 true EP4437280A1 (fr) 2024-10-02

Family

ID=84487807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22822017.4A Pending EP4437280A1 (fr) 2021-11-24 2022-11-23 Système pour la climatisation d'un bâtiment

Country Status (3)

Country Link
EP (1) EP4437280A1 (fr)
DE (1) DE102021130845A1 (fr)
WO (1) WO2023094478A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN220669685U (zh) * 2023-08-25 2024-03-26 中国建筑设计研究院有限公司 一种夹壁腔机械辅助通风系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2926610A1 (de) 1979-07-02 1981-01-22 Karl Schwarz Wasser-eis-speicher zur bereitstellung der eingangsenergie fuer waermepumpen-anlagen insbesondere in verbindung mit solar-anlagen
DE19544245A1 (de) * 1995-11-28 1997-06-05 Rolf Disch Bauwerk
DE10054607A1 (de) * 2000-11-03 2002-05-08 Hochtief Fertigteilbau Gmbh Niedrigenergiegebäude
DE10139065A1 (de) * 2001-08-02 2003-02-20 Hinrichs Guenter Vorrichtung zur Gewinnung von Wärmeenergie durch Nutzung der Latentwärme von Wasser und dafür geeigneter Wärmeaustauscher
LT5827B (lt) * 2010-05-26 2012-04-25 Mėčislovas ZĖRINGIS Šildymo-vėdinimo sistema
DE102015104909B3 (de) 2015-03-30 2016-09-29 MBS Naturstromspeicher GmbH Energiespeicher, Kraftwerksanlage mit Energiespeicher und Verfahren zum Betrieb desselben
DE102015121177A1 (de) 2015-12-04 2017-06-08 Naturspeicher Gmbh Verfahren und Vorrichtung zum Einbringen und zur Entnahme von Wärmeenergie in bzw. aus einem Gewässer
DE102018213274B4 (de) 2018-08-08 2023-08-03 Hansa Klimasysteme GmbH Klimagerät sowie Verfahren zum Betrieb eines Klimagerätes

Also Published As

Publication number Publication date
WO2023094478A1 (fr) 2023-06-01
DE102021130845A1 (de) 2023-05-25

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