EP4370837A1 - Dispositif de stockage d'énergie extérieur - Google Patents

Dispositif de stockage d'énergie extérieur

Info

Publication number
EP4370837A1
EP4370837A1 EP22744473.4A EP22744473A EP4370837A1 EP 4370837 A1 EP4370837 A1 EP 4370837A1 EP 22744473 A EP22744473 A EP 22744473A EP 4370837 A1 EP4370837 A1 EP 4370837A1
Authority
EP
European Patent Office
Prior art keywords
energy storage
exhaust air
storage device
heat exchanger
air
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
EP22744473.4A
Other languages
German (de)
English (en)
Other versions
EP4370837B1 (fr
EP4370837C0 (fr
Inventor
Alexander Schechner
Gerhard Ihle
Günther SCHWENK
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 EP4370837A1 publication Critical patent/EP4370837A1/fr
Application granted granted Critical
Publication of EP4370837B1 publication Critical patent/EP4370837B1/fr
Publication of EP4370837C0 publication Critical patent/EP4370837C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F24F5/0017—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 using cold storage bodies, e.g. ice
    • 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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
    • 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
    • F24F1/60—Arrangement or mounting of the outdoor unit
    • F24F1/66—Arrangement or mounting of the outdoor unit under the floor level
    • 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
    • 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
    • F24F5/0017—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 using cold storage bodies, e.g. ice
    • F24F2005/0025—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 using cold storage bodies, e.g. ice using heat exchange fluid storage tanks

Definitions

  • the invention relates to an outdoor energy storage device of a system for air conditioning of the interior of a building.
  • Such an outdoor energy storage device is arranged outside the building and at least partially buried in the ground.
  • a system for air conditioning interior spaces of a building can have an energy store for energy transmission and energy storage with a water heat exchanger in a liquid reservoir.
  • the liquid keitsrevoir is located outside the building, while a heat pump for the water heat exchanger and the building is located inside the building.
  • Other fleece technology components, such as heating and hot water, are also located inside the building.
  • the task is to provide a space-saving device for a system for air conditioning.
  • the task is solved by an outdoor energy storage device of a system for air conditioning the interior of a building.
  • the external energy storage device can be arranged outside of the building and partially lowered into the ground.
  • the energy storage outdoor unit includes an energy storage device for energy transmission and energy storage with a liquid reservoir, a water heat exchanger in the liquid reservoir and an air heat exchanger above the liquid reservoir, a heat pump coupled with the water heat exchanger and the air heat exchanger, and an exhaust air connection for exhaust air of the building connected to the energy storage device and the heat pump is coupled so that through the exhaust air connection Inflowing exhaust air, the heat pump is at least partially tempered before the exhaust air flows into the energy storage device.
  • the energy storage outdoor unit is a compact outdoor unit for the air conditioning system that can be installed in the ground and can be delivered pre-installed as a whole and does not require any space inside the building.
  • other function modules in particular the water pump that is otherwise provided in the building, are moved outside.
  • the operation of the function modules with cold-sensitive electrical circuits is not sensitive to cold even when outside temperatures are low in winter due to the temperature control of the water pump and the optional additional function modules provided by the exhaust air, so that no heating has to be provided in the outdoor energy storage device.
  • “Tempering” includes in particular heating but also cooling. The latter is relevant in the hot summer.
  • the liquid reservoir allows energy to be stored in the liquid.
  • the energy transfer in the energy storage takes place both via the air heat exchanger and the water heat exchanger.
  • the exhaust air is the room air discharged from the building, the thermal energy of which is routed through the energy storage device for heat or cold recovery.
  • it is used for temperature control, in particular for heating the function modules in the outdoor energy storage unit, to enable safe operation even at low outside temperatures.
  • the heat pump is configured such that the exhaust air flows past and/or through it to enable energy transfer between the exhaust air and the heat pump.
  • the exhaust air serves in particular that an electrical circuit of the heat pump is tempered.
  • the heat pump is designed as at least one functional module.
  • the same principle is used to control the temperature of other function modules, in particular to control the temperature of their electrical circuits.
  • the func onsmodul forms a closed functional unit with usually its own housing within the outdoor energy storage device.
  • the function modules are interchangeable, which facilitates maintenance and repairs.
  • electrical and/or electromechanical components are combined to form a functional arrangement that controls, for example, the functional module or its interaction with other functional modules, the energy store or other components of the system, which can also be buildings.
  • Electrical circuits are sensitive to cold and are often the limiting factor for the operation of the function module at low temperatures, so that the temperature control, in particular of the electrical circuits, improves the operational reliability of the entire outdoor energy storage device.
  • the function modules are designed in such a way that waste heat from electrical components in the heat pump supports temperature control, so that not only the waste air is used for heating.
  • one or more additional stackable function modules are provided, which are advantageously designed to control heating, cooling and/or ventilation in the system. If several functional modules are provided, they are arranged in such a way that the exhaust air flows between the functional modules to the energy store and tempers the functional modules.
  • the stackable functional modules enable a flexible and space-saving design of the outdoor energy storage device. The range of functions can be designed flexibly by selecting the function modules.
  • the gap is advantageously shaped in such a way that it directs the exhaust air to an energy store inlet of the energy store, through which the exhaust air flows into the energy store.
  • the shape of the gap can taper horizontally and in particular vertically towards the energy storage inlet in order to refocus the exhaust air, which may have tempered several stacked function modules on both sides of the gap.
  • the energy storage inlet can be shaped and/or arranged in such a way that it directs the flow behavior of the exhaust air.
  • the external energy storage device comprises a base plate, a cover and a peripheral side wall between the base plate and the cover, which enclose the space in which the energy storage device and the functional modules are accommodated.
  • the bottom plate can have a raised edge, which is associated with a tub shape.
  • the outdoor energy storage unit can be partially installed in the ground, so that only the cover and the upper side wall protrude from the ground. They can be integrated into the design of the outside space, for example by greening or providing a seat on the lid.
  • the energy storage device has a heat exchanger that conducts exhaust air, which is designed such that the exhaust air is routed via the liquid reservoir before it flows onto the air heat exchanger in the energy storage device. In this way, an energy transfer between exhaust air and liquid in the liquid reservoir already takes place before the thermal energy of the exhaust air is used in the air heat exchanger.
  • a cavity is arranged inside the liquid reservoir as a drinking or service water storage tank, which offers an additional possibility of use.
  • a water pump which is designed as a functional module, is coupled to the cavity and enables the supply of drinking or service water to the building, so that the drinking or service water storage and supply also takes place outside of the building.
  • FIG. 1 shows an exemplary embodiment of a system for air conditioning the interior of a building
  • FIG. 2 shows a three-dimensional exploded view of an exemplary embodiment of an outdoor energy storage device
  • FIG. 3 shows a three-dimensional view of the interior of the external energy storage device.
  • identical or functionally equivalent components are provided with the same reference symbols.
  • a system 2 for air conditioning of interior spaces 4 of a building 6 is shown in one embodiment.
  • the building 6 can be a residential building or an office building, for example. However, such a system 2 can be applied to different building types. The example shown should therefore be viewed as non-limiting.
  • Each of the interior spaces 4 is connected via an exhaust air opening 8 to an exhaust air duct 10 which discharges exhaust air from the interior spaces 4 .
  • the exhaust air duct 10 is connected via a supply line 12 to an exhaust air connection 42 of an outdoor energy storage device 40 .
  • the outdoor energy storage device 40 is arranged outside of the building 6, for example in the garden or outside, and is at least partially buried in the ground, so that only the upper area of the outdoor energy storage device 40 protrudes from the ground.
  • the outdoor energy storage device 40 has an energy storage device 14 with a water heat exchanger 18 in a liquid reservoir 16 and an air heat exchanger 22 above the liquid reservoir 16 .
  • the Energyspei cherexternal device 40 also has a heat pump 30 as a function module 50, which is coupled to the water heat exchanger 18 and the air heat exchanger 22 ge.
  • An exhaust air connection 42 for exhaust air of the building 2 is coupled to the energy storage device 14 and the heat pump 30 so that the exhaust air flowing in through the air connection 42 cools the heat pump 30 before the exhaust air flows into the energy storage device 14 . From the exhaust air connection 42 to the energy store 14, the exhaust air flows past the heat pump 30 or through it.
  • the interior of the liquid reservoir 16 has a cavity 46 for storing drinking water and/or service water, from which drinking water and/or service water for the building 6 can be provided.
  • the cavity 46 is of cylindrical design and is laterally enclosed by the liquid reservoir 16, which is of hollow cylindrical design.
  • Alternative forms of the cavity 46, which is enclosed by the liquid reservoir 16 at the side and/or at the top and/or at the bottom, are conceivable.
  • the water heat exchanger 18 In the liquid reservoir 16 of the energy store 14 is the water heat exchanger 18 with a large number of pipes which are connected to the heat pump 30 via a fluid circuit. Flows through the pipes Heat transfer medium that dissipates heat or cold transferred from the liquid in the liquid reservoir 16 .
  • the liquid reservoir 16 is filled with water or a paraffin compound.
  • An air heat exchanger 22 is located above the liquid reservoir 16 over an insulation layer 20. The air heat exchanger 22 is arranged in several segments around a central region 24 of the energy store 14. Below the insulating layer 20, a heat exchanger 44 with Strö flow conductors is arranged. The heat exchanger 44 is designed such that an air flow is directed over the liquid in the liquid reservoir 16 before the air flows onto the air heat exchanger 22 in the energy store 14 .
  • the energy contained in the air flow is first fed to the liquid reservoir 16 .
  • the heat exchanger 44 directs the air radially outward over the liquid.
  • the air is then guided through the air heat exchanger 22 radially from the outside.
  • In the central area 24 there is a fan which draws in the exhaust air from the heat exchanger 44 with air flowing in radially from the outside in the direction of the central area 24 , where the air then leaves the energy store 14 .
  • the heat pump 30 is connected to the fluid circuit of the water heat exchanger 18 .
  • the heat pump 30 is also connected to a fluid circuit of the air heat exchanger 18, which includes a plurality of tubes.
  • a heat transfer medium flows through the pipes, dissipating heat or cold from the air flowing past the pipes.
  • Two pumping devices can be provided in the heat pump 30 for the water heat exchanger 18 and the air heat exchanger 22 .
  • Another fluid circuit 32 leads via a fluid connection 48 on the outdoor energy storage device 40 into the building 6 and connects the heat pump 30 to an air conditioning unit 34, which in addition to the connection to the further fluid circuit 32 has a supply of outside air via an opening 36 by means of the supply line 38.
  • a water pump is provided as a further function module 50, which is coupled to the drinking and/or service water storage tank. It is designed to pump drinking and/or service water into the building 6 from the cavity 46 designed as a drinking and/or service water reservoir.
  • a drinking and / or service water connection 54 is provided on the outdoor energy storage device 40, which is a leading into the building 6 water line 52 a related party. It is possible to provide further function modules 50 for air conditioning and building technology in the external energy storage device 40 .
  • the connections provided for this form an interface whose connections, like those already mentioned above, can be spatially combined in a main connection 56 to which the lines to the building 6 are connected.
  • the main connection 56 can be connected to a function module 50 designed as a main connection module.
  • the main connection module controls the interface and its connections as well as the internal energy storage unit coupling and communication of the other function modules 50.
  • Figure 2 shows a three-dimensional exploded view of an exemplary embodiment of an energy storage unit 40 a peripheral side wall 60 between the base plate 64 and the cover 66.
  • the side wall 60 is formed by a trough-shaped raised edge area of the base plate 64 and boards arranged above it, which at least partially protrude from the ground. Fresh air can flow through the boards or openings provided for this purpose.
  • the bottom plate 64 can be made of concrete, for example. It carries the energy store 14 and the functional modules 50, in particular for heating, cooling and ventilating the building, including the heat pump 30 and the water pump. Due to the trough shape of the base plate 64 protects the ground from any liquids that may escape.
  • the cover 66 can be made of metal, for example.
  • the surface of the cover 66 can be integrated into the outdoor area design, for example by greening and planting.
  • function modules 50 for heating, cooling and ventilating the building 6 are arranged in the external energy storage unit 40.
  • the function modules 50 also include the heat pump 30 and water pump already described above. Further function modules 50 can be provided for controlling a heating or hot water supply.
  • the function modules 50 are designed to be stackable and arranged next to one another in two stacks.
  • a frame 58 is arranged on the base plate 64 for stabilization, in which the functional modules 50 are stacked and fastened.
  • the shape of the gap 70 can taper towards an energy storage inlet 26 of the energy storage device 14, which faces the gap 70, horizontally and in particular vertically, in order to reconcile the exhaust air, which has tempered several stacked function modules on both sides of the gap 70 deln and to lead into the energy storage inlet 26.
  • Other means for directing or bundling the exhaust air on its way to the energy storage inlet 26 can be provided.
  • the functional modules 50 can be designed such that at least part of the exhaust air flows through them, for example by providing air inlets and outlets in the housing of the functional module 50 .
  • the gap 70 is used for heat recovery because the exhaust air flowing through tempers the functional modules 50 before the exhaust air flows into the energy store 14 .
  • the functional modules 50 are advantageously designed in such a way that their cold-sensitive components, in particular electrical circuits, are arranged adjacent to the exhaust air flowing past.
  • the cold-sensitive circuits are arranged on the side facing the gap 70 in the functional modules 50 .
  • the warming is greater in the area of the exhaust air flowing past, so it is advantageous to place the cold-sensitive components close to the exhaust air flowing past
  • FIG. 3 shows a three-dimensional view of the interior of the external energy storage device 40 without a cover. The view corresponds to the energy storage outdoor device 40 lowered into the ground, since only the above-ground area of the side wall 60 is shown, so that the underground interface is not visible.
  • the walls of the energy storage inlet 26 extend to the corners of the function modules 50, so that the exhaust air cannot flow past the energy storage device 14, but into the Energy storage inlet 26 is directed.
  • the upper function modules 50 are the heat pump 30 and the main connection module.

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)
  • Central Heating Systems (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

Dispositif de stockage d'énergie extérieur (40) d'un système (2) pour climatiser des pièces intérieures (4) d'un bâtiment (6), le dispositif de stockage d'énergie extérieur (40) pouvant être disposé à l'extérieur du bâtiment (6), pouvant être partiellement enfoncé dans le sol et comprenant - un accumulateur d'énergie (14) pour la transmission d'énergie et le stockage d'énergie avec un réservoir de liquide (16), un échangeur de chaleur à eau (18) dans le réservoir de liquide (16) et un échangeur de chaleur à air (22) au-dessus du réservoir de liquide (16), - une pompe à chaleur (30), qui est couplée à l'échangeur de chaleur à eau (18) et à l'échangeur de chaleur à air (22), et - un raccord évacuation-air (42), qui est destiné à évacuer l'air du bâtiment (6) et est couplé à l'accumulateur d'énergie (14) et à la pompe à chaleur (30) de sorte que l'air d'évacuation entrant par le raccord évacuation-air (42) règle la température de la pompe à chaleur (30), au moins dans certaines régions, avant que l'air d'évacuation ne pénètre dans l'accumulateur d'énergie (14).
EP22744473.4A 2021-07-16 2022-07-15 Appareil extérieur à accumulation d'énergie Active EP4370837B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021118417.7A DE102021118417A1 (de) 2021-07-16 2021-07-16 Energiespeicheraußengerät
PCT/EP2022/069919 WO2023285684A1 (fr) 2021-07-16 2022-07-15 Dispositif de stockage d'énergie extérieur

Publications (3)

Publication Number Publication Date
EP4370837A1 true EP4370837A1 (fr) 2024-05-22
EP4370837B1 EP4370837B1 (fr) 2025-05-07
EP4370837C0 EP4370837C0 (fr) 2025-05-07

Family

ID=82655183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22744473.4A Active EP4370837B1 (fr) 2021-07-16 2022-07-15 Appareil extérieur à accumulation d'énergie

Country Status (10)

Country Link
US (1) US20240318839A1 (fr)
EP (1) EP4370837B1 (fr)
JP (1) JP2024525788A (fr)
KR (1) KR20240036605A (fr)
CN (1) CN117616233A (fr)
AU (1) AU2022309991A1 (fr)
CA (1) CA3226417A1 (fr)
DE (1) DE102021118417A1 (fr)
WO (1) WO2023285684A1 (fr)
ZA (1) ZA202400353B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202023105495U1 (de) 2023-09-21 2025-01-08 Smart Cube 360 GmbH Wärmepumpenanordnung zur Beheizung eines Gebäudes

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CN117616233A (zh) 2024-02-27
JP2024525788A (ja) 2024-07-12
EP4370837B1 (fr) 2025-05-07
AU2022309991A1 (en) 2024-01-25
EP4370837C0 (fr) 2025-05-07
WO2023285684A1 (fr) 2023-01-19
ZA202400353B (en) 2025-03-26
CA3226417A1 (fr) 2023-01-19
US20240318839A1 (en) 2024-09-26
KR20240036605A (ko) 2024-03-20

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