Classifications

• • 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
  • F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
  • F24F1/58—Separate protective covers for outdoor units, e.g. solar guards, snow shields or camouflage

Definitions

• the present invention relates to a thermodynamic device of the heat pump type, air conditioner or the like, for heating and / or cooling a building and / or at least one volume of this building, this building comprising on a facade at least one opening associated with at least one a flap, said device comprising at least one closed circuit in which a source fluid circulates, said closed circuit comprising at least a first heat exchanger called a condenser, an expander, at least a second heat exchanger called an evaporator and a compressor, a part of said device being housed in at least one external box disposed outside said building for exchanging the calories with the ambient outside air, and the other part of said device being housed in at least one internal chamber disposed inside said building to exchange calories with indoor air and / or circulating heating and / or air conditioning heat transfer fluid of said building, said box and said enclosure being connected together by a portion of said closed circuit.
• thermodynamic the fact of concentrating the entire thermodynamic system in one unit, which is placed outside the building to collect the calories of the ambient air, we get a large unit, cumbersome and unsightly.
• thermodynamic it is impossible to date to consider heating and / or cooling a volume contained in a building, such as a hot water tank, a cold room, or the like, using this type of solution. thermodynamic.
• the present invention aims to fill the gap mentioned above by proposing a thermodynamic device designed specifically to be able to provide existing buildings, particularly in the city, ecological heating and / or air conditioning and economic using the thermodynamic properties of the air, modular and adaptable, while respecting the regulatory and aesthetic constraints of these buildings.
• the invention relates to a thermodynamic device of the type indicated in the preamble, characterized in that only one of said first and second heat exchangers is contained in said external box, the other components of said device, namely the other heat exchanger the expansion valve and the compressor being contained in said internal enclosure, in that said external box is intended to be fixed on the facade of said building near said opening and behind the flap associated with this opening, the depth of the outer box being reduced relative to its other two dimensions so that the outer box is completely hidden by said flap in position open, and in that the outer casing has at least one rear wall provided with at least one perforated area between which a flow of air, forced circulation means arranged to suck the incoming air flow and blow it to through said heat exchanger in which circulates said refrigerant and a front wall closing said external box and provides at least a perforated area through which said air flow.
• the front wall of the outer casing has an appearance substantially identical to that of the flap.
• said fetal wall may comprise slatted blades to form a louver.
• the device of the invention may comprise two identical external boxes, respectively intended to be fixed on the facade of the building on both sides. other of said opening at the rear of the flaps associated with this opening.
• this device comprises a number N of external boxes, this number N being determined as a function of the thermal power of said thermodynamic device, the N external boxes being connected in parallel to said closed circuit.
• the perforated zones of the front and rear walls of the outer box are arranged in an opposite manner and substantially superimposed.
• the outer casing advantageously comprises shims extending from the rear wall to define between the facade of said building and said outer casing an interval allowing the passage of said incoming air flow.
• the forced circulation means may comprise a battery of microventilators mounted on a support plate adjacent to said rear wall and disposed at least facing said perforated zone, said battery extending over a surface substantially equivalent to said perforated zone.
• Said heat exchanger may comprise several coils connected in parallel to said closed circuit by inlet and outlet ports, connected to said closed circuit by connectors preferably arranged in the lower part of said outer box.
• the outer casing may comprise in its lower part a condensate recovery tank and / or de-icing means.
• the outer casing may comprise on its peripheral frame means for fixing a flap.
• FIGS. 1A and 1B are front views of a window a building equipped with two flaps, respectively in the open position and in the closed position, and two external boxes of the thermodynamic device according to the invention fixed on the facade of said building at the rear of the flaps
• Figure 2 is a sectional view of the window of Figure 1 along line ⁇ - ⁇ section, showing the implantation of the external casing at the rear of the wing flap.
• Figure 3 is a sectional view of the outer housing of Figure 1 showing the flow of incoming and outgoing air
• FIG. 4 is a front view of the heat exchanger contained in the outer casing of Figure 3,
• FIG. 5 is a front view of the forced circulation means contained in the outer casing of FIG. 3, and
• Figure 6 is an implantation view of said thermodynamic device according to the invention in a building.
• the thermodynamic device 100 is of the heat pump, air conditioner or similar type, and uses the thermodynamic properties of the outside air to heat and / or cool a building and / or at least a volume of this building such as a hot water tank, a cold room, or the like.
• Building means any existing or new residential and / or professional building in the city or in the countryside, such building comprising at least one opening, such as a window 2, a door, a French window, a bay window, etc., this opening being associated with at least one shutter 3 of the shutter type, sliding shutter or the like.
• the thermodynamic device 100 comprises in known manner and shown in FIG. 6 at least one closed circuit 101 in which a refrigerant circulates, such as for example a non-polluting gas of the R410 type or the like, this closed circuit 101 comprising at least a first exchanger thermal called condenser, a pressure reducer, at least a second heat exchanger called evaporator and a compressor, these components being connected by refrigerant type ducts.
• a refrigerant circulates, such as for example a non-polluting gas of the R410 type or the like
• this closed circuit 101 comprising at least a first exchanger thermal called condenser, a pressure reducer, at least a second heat exchanger called evaporator and a compressor, these components being connected by refrigerant type ducts.
• thermodynamic device 100 can supply a heating system ground 103, a radiator circuit 104, an air conditioning system 105, 106 reversible or not, etc.
• the outer casing 10 and the inner enclosure 20 are connected to each other by a part of the closed circuit by means of refrigerating type ducts through the facade 1, the opening 2 or the like. These ducts are for example made of copper and isolated.
• the present invention differs from the state of the art in that only one of the heat exchangers 15, either the condenser or the evaporator, is contained in at least one external box 10.
• the other components of the thermodynamic device, to the other heat exchanger, the expander and the compressor are contained in the inner chamber 20, which can be fixed to the wall, instead of for example a gas boiler.
• This internal enclosure 20 can be covered to be isolated by sound in order to limit noise pollution due to the compressor.
• the outer casing 10 is intended to be fixed on the facade 1 of the building near the opening 2 and behind the shutter 3 associated with this opening 2 when this shutter 3 is in the open position.
• the outer casing 10 has such dimensions that allow it to be completely hidden by the flap 3 in the open position (see Fig. 1A).
• its depth is reduced compared to its other dimensions deax.
• its depth is of the order of ten centimeters.
• the flaps 3 are hooked directly onto the frame 1 1 of the outer casing 10, to provide sufficient space at the rear of the flap 3 between the flap 3 and the frontage 1 of the building.
• the hinges 6 are fixed on the side of the frame 1 1 adjacent to the opening 2 and the flaps 3 comprise fittings 5 pivoting in the hinges 6. These fittings 5 may have an L shape so that the flaps 3 are housed inside the embrasure 4 of the opening 2 in the closed position (see Fig. 1 B).
• the hinges 6 can be fixed directly in the masonry and shutters 3 attached to the facade 1 of the building.
• the flaps 3 are flaps.
• the outer casing 10 can also be integrated in the rear of sliding shutters or the like.
• the guide rails of the sliding flaps can be fixed either on the frame 1 1 of the outer casing 10, or on the facade 1 with sufficient clearance to be superimposed on the outer casing 10 in the open position.
• the outer boxes 10 have a front wall 12 which has an appearance and dimensions similar to the flap 3 equipping the opening 2 to ensure aesthetic continuity and avoid any unsightly effect.
• the flaps 3 are in the open position (see Fig. 1A)
• the external boxes 10 are completely hidden and when the flaps 3 are in the closed position, the outer boxes 10 are visible and create a trompe l'oeil effect.
• the size of the shutter 3 and the air circulation space at the rear of the shutter 3 limit the power of the external box 10. Consequently, it is necessary to multiply the number of external boxes 10, which will be connected in parallel on the closed circuit 101, to reach the thermal power required by the thermodynamic device 100.
• the outer casing 10 includes at least a rear wall 13 provided with at least a perforated area 13a through which enters an air flow E, forced circulation means 14 for sucking the flow of incoming air E, a heat exchanger 15 for exchanging the calories of the air flow with the refrigerant, and a front wall 12 closing the outer casing 10 and provided with at least one perforated zone 12a through which said flow of air flows.
• the heat exchanger 15 constitutes an evaporator in heating mode and a condenser in cooling mode. If the thermodynamic device 100 is reversible or invertible, this heat exchanger 15 can perform both functions in the direction of circulation of the refrigerant.
• the outer casing 10 is offset from the facade 1 of the building of an interval I by means of shims 16 extending from the rear wall 13, this gap I can be of the order of a few centimeters.
• These shims 16 may be fixed or adjustable, integrated or reported to said outer casing 10.
• the open areas 12a and 13b respectively provided in the front wall 12 and the rear wall 13 are opposite and substantially superimposed to ensure a flow of air through, that is to say, the incoming air flow E and outgoing S are separated physically by the outer box 10 itself to avoid re-suck the outgoing air flow S, the flow of through air being maximum without loss of load.
• These perforated zones 12a, 13b may extend over all or part of the walls 12 and 13.
• the perforated zone 12a of the front wall 12 has louvred blades to recall the aspect of a flap louver type, these blades can be fixed or movable to change their inclination.
• any other equivalent embodiment is possible.
• the heat exchanger 15 consists of at least one and, in the example represented, four coils 15d connected in parallel and in which circulates the refrigerant between an inlet 15a and an outlet 15b. This number is not exhaustive and is determined according to the exchange surface to be covered to avoid pressure drops. 15d coils are fixed in a support frame 15c and the supply lines of the coils 15d down along one side 15c of the support frame toward the lower portion 10a of the outer box 10 where they are connected to the closed circuit 101 by suitable connections. The ducts of the closed circuit 101 pass through the masonry at the rear of the outer casing 10, preferably in the lower part of the shutters 3.
• the forced circulation means 14 comprise a battery of micro-fans 14a mounted on a support plate 14b disposed between the heat exchanger 15 and the rear wall 13 of the external box 10, next to the perforated zone 13a.
• the micro-fans 14a are arranged side by side to cover a surface at least substantially equivalent to the open area 13a in order to homogenize the suction power to obtain a maximum incoming air flow E.
• the battery comprises fifteen micro-fans 14a 120mm in diameter and having an air flow rate of up to 96m 3 / h each. Since the battery needs 635m 3 hours for its operation in nominal power, it is possible to divide the speed of the microventilators 14a by two. Thus, the noise generated by the operation of these micro-fans 14a will be very low and will not create any nuisance.
• the lower part 10a of the external casing 10 may comprise in addition a condensate drain pan (not shown), for example V-shaped or inclined toward a discharge port open condensate outwardly or connected to a condensate recovery circuit.
• This lower part 10a may also comprise de-icing means (not shown), for example in the form of a small electrical resistance supplied as soon as the outside temperature falls below a predefined threshold, to avoid the formation of gel in the connections of the heat exchanger 15 and in the condensate pan.

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Building Environments (AREA)
• Air-Flow Control Members (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=42941908

Family Applications (1)

Country Status (3)

Families Citing this family (2)

Family Cites Families (7)

• 2010
  • 2010-04-15 FR FR1052860A patent/FR2959002B1/fr not_active Expired - Fee Related
• 2011
  • 2011-04-12 WO PCT/IB2011/000804 patent/WO2011128755A2/fr active Application Filing
  • 2011-04-12 EP EP11722508A patent/EP2558792A2/de not_active Withdrawn

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events