EP3002523B1 - Cooling, air-conditioning or heating system with telescopic air-separation means - Google Patents

Cooling, air-conditioning or heating system with telescopic air-separation means Download PDF

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Publication number
EP3002523B1
EP3002523B1 EP15178530.0A EP15178530A EP3002523B1 EP 3002523 B1 EP3002523 B1 EP 3002523B1 EP 15178530 A EP15178530 A EP 15178530A EP 3002523 B1 EP3002523 B1 EP 3002523B1
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EP
European Patent Office
Prior art keywords
air
separation means
building
heat exchange
outlet
Prior art date
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EP15178530.0A
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German (de)
French (fr)
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EP3002523A1 (en
Inventor
Jean-Francis Clement
Erwan FONTBONNE
Luc SAÏSSET
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.)
Societe Industrielle de Chauffage SIC SAS
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Societe Industrielle de Chauffage SIC SAS
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Priority to PL15178530T priority Critical patent/PL3002523T3/en
Publication of EP3002523A1 publication Critical patent/EP3002523A1/en
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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
    • F24F1/06—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
    • F24F1/52—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with inlet and outlet arranged on the same side, e.g. for mounting in a wall opening
    • 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

Definitions

  • the invention relates to a system for cooling, air conditioning or heating a building based on the principle of the heat pump and using outside air as an external source.
  • the main enclosure encloses a compressor, an expansion member and the exchanger on the air or first exchanger.
  • the second exchanger whose role is to restore or absorb the calories of the building according to whether the apparatus is used for the production of heat or the production of cold, is, for its part, placed in a secondary enclosure connected to the main enclosure by a set of pipes and electrical connections.
  • This phenomenon of re-aspiration of the repressed air can have several origins: in the case of a system placed outside, the phenomenon is generally due to the presence of obstacles (bushes, wall, butte, structure of home system, etc.) that can constrain incoming and outgoing air flows to mix; in the case of a system placed indoors, the outside air is generally removed and then rejected (via one or more wall openings) in a relatively small area, the proximity of incoming and outgoing air flows can then lead to their mixing.
  • obstacles bushes, wall, butte, structure of home system, etc.
  • the air separation means thus make it possible to channel the discharge air coming from the outlet of the heat exchange unit over a certain axial distance (along their longitudinal extension) and thus to separate the discharge air from the outside air that is sucked by the latter.
  • the discharged air is thus conveyed away from the discharge air outlet and is quickly evacuated out of the suction zone of the heat exchange unit, thereby helping to minimize the phenomenon of re-suction of the exhaust air. repressed air.
  • These separation means are therefore particularly effective in the fight against the phenomenon of re-aspiration of the discharge air to the extent that they do not generate recirculation of disruptive air that could contribute to the aforementioned phenomenon which is to be avoided.
  • the heat exchange unit can be placed outside a building, partly inside a recess or opening in a wall, or inside a building.
  • variable longitudinal extension of the air separation means for example axially displaceable parts relative to one another or telescopic air separation means
  • the heat exchange unit can be arranged in the building always at the same distance from the wall.
  • the system is designed to minimize this distance, the only length that varies being that of the separation means to adapt to the thickness of the wall.
  • the air separation means comprise, for example, a variable longitudinal extension sheath which may be formed of one or more parts, assembled or not with each other and removable from one another. 'other.
  • the two axial parts thus make it possible to channel the discharge air coming from the outlet of the heat exchange unit and thus to separate it from the outside air which is sucked by the latter.
  • the outside air can thus be sucked around the second axial portion along a passage section larger than the discharge air outlet section.
  • the discharged air is thus very quickly evacuated out of the suction zone, thus helping to minimize the phenomenon of re-aspiration of the repressed air.
  • These separation means comprising two parts are therefore particularly effective in the fight against the phenomenon of re-aspiration of the discharged air to the extent that they do not generate recirculation of disruptive air which could contribute to the aforementioned phenomenon which is to be avoided .
  • the heat exchange unit may be placed outside a building, partly inside a recess or opening of a wall, or inside a building.
  • the invention also relates to a building, characterized in that it comprises, installed in said building, a cooling system, air conditioning or heating of the building as briefly described above, the building comprising a wall delimiting the interior of the building from outside and in which is arranged an opening communicating the interior and exterior of said building, the heat exchange unit being disposed inside the building and the penetrating air separation means at least partially in the opening along a penetration length which depends on the thickness of the wall.
  • the system for cooling, air conditioning or heating of the building is designed so that the external suction air and the discharge air are forced to circulate inside the opening.
  • FIGS. Figures 1 to 12b where the system is separated heat exchange units with one of the units housed in a box.
  • the telescopic air separation means are of course applicable to other systems such as monoblock type systems in which the units are not separated, that is to say that all components of the refrigerant circuit (including evaporator , compressor, condenser and detent member) are contained in the same box, box or enclosure.
  • the telescopic air separation means make it possible to adapt to thicknesses of different walls or walls and to position the box as close as possible to a wall of the building or inside it, following a varied depth (reduced space in the room where the box is installed).
  • air separation means whose longitudinal extension may vary and whose telescopic function is performed differently (for example a one-piece sheath formed of several parts or sections assembled to one another and slidable relative to each other).
  • a building such as a dwelling comprises several rooms or premises of which only two, referenced 12, 14, are represented.
  • a heating system 20 is installed in the building. This system is based on the principle of the heat pump and is of the type with separate heat exchange units (also known as "split" technology in English terminology).
  • the system 20 thus comprises a first heat exchange unit 22 (visible on the figure 2 ) which is installed in the unheated room 12 and which comprises a compressor, an evaporator (first exchanger), and an expansion member.
  • This first unit is enclosed inside a box 24 which is only visible on the figure 1 .
  • the system also comprises a second heat exchange unit 26 installed in the room 14 which is heated, for example, by means of a heating floor 28.
  • the second unit 26 comprises for example a condenser (second exchanger not shown) and control equipment with dedicated components for controlling the heating system and managing the climatic comfort of the home.
  • the condenser is used to heat the water (secondary fluid) circulating in the pipes 30 which supply the pipes of the underfloor heating 28.
  • the first heat exchange unit 22 is connected to the second 26 by refrigerating links 32 conveying the heat transfer fluid with change of states (primary fluid) which is used in the refrigerant circuit.
  • the enclosure 23 housed in the box 24 illustrated in dashed lines, comprises, in plan view, four walls 23a-d and a base wall 23e.
  • the enclosure also comprises a top wall 23f not visible in this figure but visible on the figure 3 .
  • the two adjacent walls 23a, 23b (forming a corner of the enclosure) are perforated (provided with grids) so as to allow the entry of lateral and rear air into the chamber 23, as illustrated by the respective arrows A1 and A2.
  • the air inlet is effected by the effect of the suction means 34 so that this air passes through the evaporator 32 and carries with it a heat exchange (evaporation of the internal heat transfer fluid to the evaporator and cooling sucked air).
  • the other two adjacent walls 23c, 23d form an opposite corner of the enclosure.
  • the wall 23d called the front wall, is opposite to the rear wall 23b of air inlet and is pierced with a through opening 40 visible on the figure 3 and vis-à-vis which is positioned the fan 34.
  • the air having passed through the evaporator 32 is then discharged through this opening 40 which constitutes a discharge air outlet for the heat exchange unit 22.
  • the peripheral zone or ferrule 40a bordering this opening has a generally frustoconical shape whose flare is directed towards the outside of the enclosure, in the direction of the forced air A3 ( figure 4 ).
  • This type of heat exchange unit is conventionally implanted outside the buildings and, for this purpose, the opening 40 is normally closed by a grid.
  • this grid has been removed and the heat exchange unit 22 is placed in the building, inside the box 24.
  • This type of heat exchange unit is for example the one found in heat pumps marketed by Atlantic under the commercial reference "Alfea Extensa + 6".
  • the figure 5 illustrates (view from the rear of the box) the first heat exchange unit 22 housed inside the box 24, some of the walls have been removed for the sake of visibility.
  • the box 24 is open on its entire front face (defined laterally by the opposite walls 24a and 24b), namely on the side of the box which is opposite the bottom wall 24c.
  • the first unit 22 is disposed opposite the opening 24e of the front face of the box, the outlet opening 40 of the discharged air A3 facing the front opening 24e of the box.
  • the unit 22 is shifted laterally inside the box so as to leave more space between the side wall 23a of the unit and the side wall 24a of the box and between the side wall 23c of the unit and the opposite side wall 24b of the box.
  • the unit 22 is offset relative to the opening 24e so as to come tangent to the side wall 24b, thus leaving a lateral passage behind the opening 24e, between the side wall 24a and the wall 23a of the enclosure 23.
  • This arrangement promotes the entry of air outside the building (symbolized by the arrow A0 on the figure 2 ) in the box, on the side where the unit has an air inlet.
  • the unit 22 is spaced from the bottom wall 24c of the box and is close to the opening 24e to leave sufficient space for the supply of air at the input of the unit 22 by the rear wall 23b.
  • This incoming air passes firstly, on the one hand, by the lateral passage located behind the opening 24e, between the side wall 24a and the wall 23a of the enclosure 23 and, on the other hand, above the wall of above 23f of the enclosure 23.
  • the wall 11 of the building is pierced with a so-called through wall opening 13 which communicates the interior and exterior of the building.
  • the opening 13 extends along a longitudinal dimension called depth being delimited at its periphery by longitudinal wall portions 13a-d visible on the figure 8 (This figure shows part of the system according to the invention installed in the opening 13).
  • the box 24 has transverse dimensions corresponding to those of the wall opening 13 and is thus partially embedded inside this opening 13 (on a part of the depth of the opening 13) so that the opening 24e of the box is vis-à-vis said opening 13 and communicates therewith. This makes it possible to take full advantage of the outside air supply to the building (via the 24th opening) inside the box.
  • the caisson 24 comprises a framework consisting of several vertical and horizontal uprights (crosspieces and longitudinal members) assembled together and which form the edges of the caisson ( figure 5 ).
  • the walls 24a-c and a ceiling wall 24f ( figures 1 and 5 ) are reported and fixed on these amounts in order to close the box on all of these faces.
  • the walls 24b and 24c are removably mounted to be able to install the heat exchange unit 22 in the box and also to access the interior of the box in case of need (ex: maintenance).
  • the walls or Panels closing the box are thermally insulated to limit heat loss.
  • the box 24 also comprises a bottom wall or base 41, for example metal, on which is positioned a plate 42 for recovering the condensates from the exchanger 32.
  • the unit 22 rests on guide elements 44, 46, for example two in number ( figure 5 ).
  • This is for example two parallel rails which are respectively mounted inside two indentations dug in the thickness of the plate from an edge which is disposed on the side of the bottom wall of the box to the opposite edge disposed on the open side of the box.
  • Each rail 44, 46 is itself mounted on antivibration fasteners not shown, of anti-vibratile type pads (also known as "silent block” in English terminology) for example four in number, which are attached to the base 41.
  • anti-vibratile type pads also known as "silent block” in English terminology
  • the system 20 also comprises means for separating air between the discharge air A3 ( figure 2 ) and A0 air from outside the building and entering the box to supply the air inlet of the unit 22.
  • the air separation means 70 extend longitudinally (the longitudinal axis of extension X corresponds to the depth of the wall opening 13) from the outlet 40 of the unit 22 and away from it. As shown schematically in an assembled fashion on the figure 7 , the means 70 comprise two distinct parts which are nestable into one another according to a length of interlocking or penetration greater or lesser so as to vary the total length (extension along the longitudinal axis X) of the two nested portions.
  • These means 70 take for example the form of a discharge sheath comprising a male sheath portion 72 (first portion) and a female sheath portion 90 (second portion) which are separately shown respectively on the figures 6 and 8 .
  • the male sheath portion 72 is mounted on a base 74 (of transverse extension) which is fixed between two vertical uprights 76, 78, via axial returns 75a, 75b.
  • the uprights 76, 78 are both attached to the horizontal high and low amounts 80 and 82 of an inner frame 79 which defines the outer periphery of the opening 24e of the box.
  • the frame 79 comprises a frame formed of four uprights, two horizontal 80, 82 connected to two verticals 83, 84 and which each extend axially (along the longitudinal axis of extension of the air separation means 70).
  • the frame 79 also includes a peripheral flange 85 which extends transversely around the frame at one of its two longitudinal ends.
  • the frame is intended to engage inside the opening 13 and to fit against the longitudinal wall portions 13a-d defining it.
  • the flange 85 is supported on the inner face of the wall 11 which is oriented towards the interior of the part and, more particularly, against a peripheral zone of this face which borders the opening 13. Fixing members such as screws allow to fix the frame 79 to the inner face of the wall 11.
  • the box 24 is embedded partially inside the frame as shown on the Figures 5 and 6 .
  • the male sheath portion 72 has, for example, a generally cylindrical shape and a circular passage section.
  • the male sheath portion has a first end 72a connected to the base 74 and a second free opposite end 72b which is intended to cooperate with the female sheath portion 90 shown in FIG. figure 8 .
  • the unit 22 is positioned inside the box, against the base 74, so that the air outlet outlet opening 40 of the unit is facing the internal passage section of the male sheath portion 72.
  • the unit 22, however, remains distinct and independent of the base and the male sheath portion 72.
  • a seal 81 is interposed between the base 74 and the zone of the wall 23d of the unit 22 which surrounds the opening 40 ( figure 11 ).
  • the female sheath portion 90 has for example a generally cylindrical shape and a circular passage section.
  • the female sheath portion 90 has a first free end 90a that can be flared in configurations to facilitate the introduction of the second free end 72b ( figure 6 ) in this one.
  • the female sheath portion 90 has a second open end 90b end around which is connected an air deflector 92 by its inner peripheral edge 92a.
  • the deflector 92 visible on the side of its front face in figure 10 takes the form of a plate that surrounds the second end 90b.
  • the plate extends transversely to the direction of longitudinal extension of the female sheath portion 90 so as to join an outer frame 94 to which said plate is fixed by its outer peripheral edge 92b.
  • the deflector plate 92 has a generally flange-like shape which is enlarged on two opposite lateral sides so as to be laterally fixed by returns ( figure 8 ) to two vertical uprights 94a, 94b of the outer frame 94.
  • the plate 92 is also fixed by its lower edge to the lower horizontal upright 94c of the frame ( figures 8 and 10 ).
  • the outer peripheral edge 92b of the plate is thus shaped so as to allow attachment to the frame, while leaving unobstructed several zones for the passage of the outside air through the opening 13 of the wall and its entry into the box by the open side of it.
  • the plate 92 is cut in such a manner as to disengage two lower air inlet passage zones Z1 and Z2 and a large upper air intake zone Z3 ( figures 8 and 10 ).
  • the plate 92 thus makes it possible to separate, on the one hand, the air A3 discharged through the outlet 40 of the heat exchange unit 22 and channeled by the discharge duct, the two parts 72 and 90 of which are nested with one another. in the other (as on the figure 7 ) to its open end 90b and, on the other hand on the other hand, the outside air entering through the opening 13 of the wall. It is thus avoided that the repressed air is re-sucked with the outside air entering through the plate 92.
  • the position of the male sheath portion 72 in front of the outlet opening 40 of the heat exchange unit 22 is shown in dotted lines, for example, the first end 72a of the male sheath portion is positioned. in correspondence with the inner peripheral edge 40a1 of reduced diameter of the opening 40 (inner diameter of the ferrule 40a) and not with the outer peripheral edge of enlarged diameter (external diameter of the ferrule 40a).
  • the discharge air A3 retains a high speed in the discharge duct and at its open end. This discharge air outlet speed also helps to prevent the discharge air from being sucked back into the system inlet.
  • the second end 72b of the male sheath portion 72 is engaged in the first end 90a of the female sheath portion 90 ( figure 7 ).
  • This arrangement prevents drops of condensate that could be projected by the fan 34 from escaping through the gap between the two nested sheath portions.
  • this arrangement reduces the pressure drops and is more aesthetic than the reverse arrangement (sheath portion 90 engaged in the sheath portion 72).
  • the outer frame 94 to which the deflector 92 and the sheath portion 90 are attached is mounted in the opening 13 and secured to the wall 11 (from the interior of the building for safety reasons).
  • the outer frame 94 is closed by a grid 100 which extends in a transverse plane.
  • This grid 100 mainly ensures the bidirectional passage of air through it.
  • This grid also provides the functions of aesthetic dressing of the opening 13 wall, prohibition of passage to people and animals and protection against rainwater.
  • the outer frame 94 and the grid 100 may be flush mounted with respect to the outer face of the wall 11 or recessed in the wall opening 13 ( Figs. 7 , 8 and 10 ).
  • the two sheath portions 72 and 90 have been nested one inside the other (as on the figure 7 ) so that the length of the discharge duct thus formed which extends inside the opening 13 adapts to the thickness of the wall 11.
  • the inner frame 79 carries two parallel horizontal arms 95, 96 ( Fig. 9 ) which extend longitudinally away from the flange 85 to which they are attached (towards the interior of the building room). These arms 95, 96 form support elements for the caisson 24, part of which is intended to rest on it in the installed position ( fig.5 ), another part of the box being supported on the frame by its embedding inside thereof.
  • the casing is also attached to the upper horizontal upright of the inner frame 79 ( Fig. 5 ) by means of two inclined fixing arms B1, B2 which also contribute to support the box.
  • the figure 11 is an exploded perspective view of the various components of the system in this embodiment and their order of assembly relative to each other: the deflector 92 and the female sheath portion 90 fixed to the outer frame, the male sheath portion 72 fixed to the inner frame 79 and the box 24 which encloses the heat exchange unit 22. Note that the ceiling wall 24f has been deliberately simplified because the hatch 24g has not been shown.
  • the Figures 12a and 12b illustrate the adaptation of the system according to the embodiment of the invention, through the telescopic discharge sleeve described above, to walls 11a, 11b of varying thicknesses.
  • the extension length is thus greater for a thin wall 11a (eg 150 mm) than for a thick wall 11b (eg 360 mm).
  • the frame 94 is mounted flush with respect to the wall 11a and the horizontal flange 97a secured to the frame and resting on the lower horizontal wall of the opening 13 is short.
  • the frame 94 is recessed in the opening 13 and the horizontal edge 97b of the outer frame is longer.
  • the horizontal edges 97a and 97b are drips that allow to evacuate the rainwater without causing drips on the walls.

Description

L'invention concerne un système de rafraichissement, climatisation ou chauffage d'un bâtiment basé sur le principe de la pompe à chaleur et utilisant l'air extérieur comme source extérieure.The invention relates to a system for cooling, air conditioning or heating a building based on the principle of the heat pump and using outside air as an external source.

On connaît par exemple des systèmes dits monoblocs qui renferment à l'intérieur d'une même enceinte l'ensemble des composants fonctionnels : condenseur, compresseur, évaporateur et organe de détente. L'un de ces deux échangeurs dans lequel circule l'air extérieur est appelé dans la suite premier échangeur.For example known so-called monobloc systems which contain within the same enclosure all the functional components: condenser, compressor, evaporator and expansion member. One of these two exchangers in which the outside air circulates is called in the following first exchanger.

On connaît d'autres systèmes dits à éléments séparés où l'enceinte principale renferme un compresseur, un organe de détente et l'échangeur sur l'air ou premier échangeur. Le second échangeur, dont le rôle est de restituer ou d'absorber les calories du bâtiment selon que l'appareil est utilisé pour la production de chaleur ou la production de froid est, quant à lui, placé dans une enceinte secondaire reliée à l'enceinte principale par un jeu de canalisations et de liaisons électriques.Other so-called separate element systems are known in which the main enclosure encloses a compressor, an expansion member and the exchanger on the air or first exchanger. The second exchanger, whose role is to restore or absorb the calories of the building according to whether the apparatus is used for the production of heat or the production of cold, is, for its part, placed in a secondary enclosure connected to the main enclosure by a set of pipes and electrical connections.

Dans les deux types de systèmes décrits ci-dessus, l'air extérieur est aspiré à l'intérieur du premier échangeur puis rejeté à l'extérieur à une température plus faible ou plus importante selon que le système fonctionne en mode chauffage ou en mode climatisation. Le document US6092377 divulgue un système de climatisation selon le préambule de la revendication 1. Dès lors que ces systèmes ont été installés on a pu constater, dans certaines configurations d'installation, un phénomène d'aspiration par les systèmes, de l'air qui est refoulé par ces derniers.In both types of systems described above, the outside air is drawn inside the first heat exchanger and then discharged outside at a lower or higher temperature depending on whether the system is operating in heating or cooling mode. . The document US6092377 discloses an air conditioning system according to the preamble of claim 1. Since these systems have been installed, it has been observed in certain installation configurations, a phenomenon of aspiration by the systems, air that is repressed by these latter.

Or, l'aspiration de l'air refoulé peut conduire à une forte dégradation des performances du système.However, the suction of the discharged air can lead to a serious degradation of the performance of the system.

Ce phénomène de ré-aspiration de l'air refoulé peut avoir plusieurs origines : dans le cas d'un système placé à l'extérieur, le phénomène est généralement dû à la présence d'obstacles (buissons, mur, butte, structure d'accueil du système, etc.) qui peuvent contraindre les flux d'air entrants et sortants à se mélanger; dans le cas d'un système placé à l'intérieur, l'air extérieur est généralement prélevé puis rejeté (via une ou plusieurs ouvertures murales) dans une zone assez réduite, la proximité des flux d'air entrants et sortants pouvant alors entraîner leur mélange.This phenomenon of re-aspiration of the repressed air can have several origins: in the case of a system placed outside, the phenomenon is generally due to the presence of obstacles (bushes, wall, butte, structure of home system, etc.) that can constrain incoming and outgoing air flows to mix; in the case of a system placed indoors, the outside air is generally removed and then rejected (via one or more wall openings) in a relatively small area, the proximity of incoming and outgoing air flows can then lead to their mixing.

La présente invention vise à remédier au moins partiellement au problème tel qu'exposé ci-dessus en proposant un système de rafraichissement, climatisation ou chauffage d'un bâtiment basé sur le principe de la pompe à chaleur, caractérisé en ce qu'il comprend :

  • une unité d'échange thermique qui assure un échange thermique avec l'air extérieur à ladite unité et qui comporte au moins un échangeur thermique, à savoir un évaporateur ou un condenseur, dans lequel circule un fluide caloporteur, l'unité comportant une entrée pour l'air d'aspiration extérieur, une sortie pour l'air de refoulement et des moyens d'aspiration de l'air en entrée pour qu'il traverse ledit au moins un échangeur et soit refoulé à la sortie,
  • des moyens de séparation entre l'air de refoulement issu de la sortie de l'unité d'échange thermique et l'air extérieur qui est destiné à entrer dans l'unité d'échange thermique, lesdits moyens de séparation d'air étant disposés devant la sortie de l'unité d'échange thermique et s'étendant longitudinalement dans le prolongement axial de ladite sortie et en éloignement de celle-ci de manière à canaliser l'air de refoulement issu de la sortie, lesdits moyens de séparation d'air étant configurés pour que leur extension longitudinale soit susceptible de varier.
The present invention aims to remedy at least partially the problem as explained above by proposing a cooling system, air conditioning or heating of a building based on the principle of the heat pump, characterized in that it comprises:
  • a heat exchange unit which provides a heat exchange with the air outside said unit and which comprises at least one heat exchanger, namely an evaporator or a condenser, in which circulates a heat transfer fluid, the unit comprising an inlet for the external suction air, an outlet for the discharge air and inlet air suction means so that it passes through the at least one exchanger and is discharged at the outlet,
  • separation means between the discharge air from the outlet of the heat exchange unit and the outside air which is intended to enter the heat exchange unit, said air separation means being arranged in front of the outlet of the heat exchange unit and extending longitudinally in the axial extension of said outlet and away from it so as to channel the discharge air from the outlet, said separation means of air are configured so that their longitudinal extension is likely to vary.

Les moyens de séparation d'air permettent ainsi de canaliser l'air de refoulement issu de la sortie de l'unité d'échange thermique sur une certaine distance axiale (suivant leur extension longitudinale) et donc de séparer l'air de refoulement de l'air extérieur qui est aspiré par cette dernière. L'air refoulé est ainsi acheminé à distance de la sortie d'air de refoulement et est très vite évacué hors de la zone d'aspiration de l'unité d'échange thermique, contribuant ainsi à minimiser le phénomène de ré-aspiration de l'air refoulé. Ces moyens de séparation sont donc particulièrement efficaces dans la lutte contre le phénomène de ré-aspiration de l'air refoulé dans la mesure où ils ne génèrent pas de recirculation d'air perturbateur qui pourrait contribuer au phénomène précité qui est à éviter. L'unité d'échange thermique peut être placée à l'extérieur d'un bâtiment, en partie à l'intérieur d'un renfoncement ou d'une ouverture d'une paroi, ou à l'intérieur d'un bâtiment.The air separation means thus make it possible to channel the discharge air coming from the outlet of the heat exchange unit over a certain axial distance (along their longitudinal extension) and thus to separate the discharge air from the outside air that is sucked by the latter. The discharged air is thus conveyed away from the discharge air outlet and is quickly evacuated out of the suction zone of the heat exchange unit, thereby helping to minimize the phenomenon of re-suction of the exhaust air. repressed air. These separation means are therefore particularly effective in the fight against the phenomenon of re-aspiration of the discharge air to the extent that they do not generate recirculation of disruptive air that could contribute to the aforementioned phenomenon which is to be avoided. The heat exchange unit can be placed outside a building, partly inside a recess or opening in a wall, or inside a building.

Par ailleurs, grâce à l'extension longitudinale variable des moyens de séparation d'air (par exemple des parties déplaçables axialement l'une par rapport à l'autre ou des moyens de séparation d'air télescopiques) il est possible de faire varier la longueur ou extension longitudinale desdits moyens lorsque cela est souhaité (en fonction des applications) et ainsi, par exemple, d'adapter cette longueur à des épaisseurs de paroi de bâtiment différentes. De ce fait, quelle que soit l'épaisseur de la paroi (dans une certaine limite toutefois qui est dictée par la longueur minimale et la longueur maximale qu'il est possible d'obtenir en faisant varier l'extension longitudinale des moyens de séparation d'air), l'unité d'échange thermique peut être disposée dans le bâtiment toujours à la même distance de la paroi. Généralement, le système est conçu pour minimiser cette distance, la seule longueur qui varie étant celle des moyens de séparation afin de s'adapter à l'épaisseur de la paroi.Moreover, thanks to the variable longitudinal extension of the air separation means (for example axially displaceable parts relative to one another or telescopic air separation means) it is possible to vary the length or longitudinal extension of said means when desired (depending on the applications) and thus, for example, to adapt this length to different building wall thicknesses. Therefore, whatever the thickness of the wall (to a certain extent, however, which is dictated by the minimum length and the maximum length that can be obtained by varying the longitudinal extension of the separation means d air), the heat exchange unit can be arranged in the building always at the same distance from the wall. Generally, the system is designed to minimize this distance, the only length that varies being that of the separation means to adapt to the thickness of the wall.

L'encombrement généré par un tel système est donc réduit pour une large gamme d'installations qui dépendent de l'épaisseur des parois du bâtiment. Il s'ensuit que le volume occupé par un tel système dans la pièce du bâtiment où il est installé est réduit.The space generated by such a system is reduced for a wide range of installations that depend on the thickness of the walls of the building. It follows that the volume occupied by such a system in the room of the building where it is installed is reduced.

Les moyens de séparation d'air comprennent, par exemple, une gaine d'extension longitudinale variable qui peut être formée d'une ou de plusieurs parties, assemblées ou non l'une avec l'autre et amovibles l'une par rapport à l'autre.The air separation means comprise, for example, a variable longitudinal extension sheath which may be formed of one or more parts, assembled or not with each other and removable from one another. 'other.

Selon d'autres caractéristiques prises isolément ou en combinaison l'une avec l'autre :

  • les moyens de séparation d'air sont télescopiques ; ces moyens peuvent par exemple prendre la forme d'une gaine télescopique formée de plusieurs parties assemblées et déplaçables axialement l'une par rapport à l'autre tout en restant assemblées/liées entre elles pour l'utilisation ; ces moyens peuvent alternativement prendre la forme de parties séparées qui, une fois assemblées, par exemple par emboitement, forment une gaine ;
  • les moyens de séparation d'air comprennent une première partie disposée devant la sortie de l'unité d'échange thermique et une deuxième partie disposée à distance de la sortie, dans le prolongement axial de la première partie et assemblée à cette dernière, les deux parties étant déplaçables l'une par rapport à l'autre le long de l'axe longitudinal suivant lequel les deux parties sont disposées de manière à faire varier l'extension longitudinale de l'ensemble formé desdites deux parties.
According to other characteristics taken separately or in combination with each other:
  • the air separation means are telescopic; these means may for example take the form of a telescopic sheath formed of several parts assembled and axially movable relative to each other while remaining assembled / bonded together for use; these means may alternatively take the form of separate parts which, once assembled, for example by interlocking, form a sheath;
  • the air separation means comprise a first portion disposed in front of the outlet of the heat exchange unit and a second part arranged at a distance from the outlet, in the axial extension of the first part and assembled to the latter, the two parts being movable relative to each other along the longitudinal axis along which the two parts are arranged so as to vary the longitudinal extension of the assembly formed of said two parts.

Les deux parties axiales permettent ainsi de canaliser l'air de refoulement issu de la sortie de l'unité d'échange thermique et donc de le séparer de l'air extérieur qui est aspiré par cette dernière. L'air extérieur peut ainsi être aspiré autour de la deuxième partie axiale suivant une section de passage plus grande que la section de passage de sortie de l'air de refoulement. L'air refoulé est de ce fait très vite évacué hors de la zone d'aspiration, contribuant ainsi à minimiser le phénomène de ré-aspiration de l'air refoulé. Ces moyens de séparation comprenant deux parties sont donc particulièrement efficaces dans la lutte contre le phénomène de ré-aspiration de l'air refoulé dans la mesure où ils ne génèrent pas de recirculation d'air perturbateur qui pourrait contribuer au phénomène précité qui est à éviter. L'unité d'échange thermique peut être placée à l'extérieur d'un bâtiment, en partie à l'intérieur d'un renfoncement ou d'une ouverture d'une paroi, ou à l'intérieur d'un bâtiment.The two axial parts thus make it possible to channel the discharge air coming from the outlet of the heat exchange unit and thus to separate it from the outside air which is sucked by the latter. The outside air can thus be sucked around the second axial portion along a passage section larger than the discharge air outlet section. The discharged air is thus very quickly evacuated out of the suction zone, thus helping to minimize the phenomenon of re-aspiration of the repressed air. These separation means comprising two parts are therefore particularly effective in the fight against the phenomenon of re-aspiration of the discharged air to the extent that they do not generate recirculation of disruptive air which could contribute to the aforementioned phenomenon which is to be avoided . The heat exchange unit may be placed outside a building, partly inside a recess or opening of a wall, or inside a building.

Par ailleurs, grâce aux deux parties des moyens de séparation d'air déplaçables axialement l'une par rapport à l'autre (par exemple des moyens de séparation d'air télescopiques) il est possible de faire varier la longueur ou extension longitudinale desdits moyens et ainsi d'adapter cette longueur à des épaisseurs de paroi de bâtiment différentes. De ce fait, quelle que soit, l'épaisseur de la paroi (dans une certaine limite toutefois qui est dictée par la longueur minimale et la longueur maximale qu'il est possible d'obtenir par déplacement axial des deux parties assemblées, par exemple par emboitement), l'unité d'échange thermique peut être disposée dans le bâtiment toujours à la même distance de la paroi. Généralement, le système est conçu pour minimiser cette distance, la seule longueur qui varie étant celle des deux parties assemblées l'une avec l'autre afin de s'adapter à l'épaisseur de la paroi. Selon d'autres caractéristiques prises isolément ou en combinaison l'une avec l'autre :

  • les deux parties assemblées des moyens de séparation d'air forment une gaine de refoulement permettant de canaliser l'air de refoulement issu de la sortie de l'unité d'échange thermique ; avantageusement, la section de passage de la gaine de refoulement est plus petite que la section de passage de l'aspiration d'air, l'air refoulé est de ce fait très vite évacué hors de la zone d'aspiration contribuant ainsi à minimiser le phénomène de ré-aspiration de l'air refoulé ;
  • les deux parties des moyens de séparation d'air sont emboitables l'une dans l'autre suivant l'axe longitudinal ;
  • la première partie des moyens de séparation d'air est emboitée dans la deuxième partie des moyens de séparation d'air ;
  • les moyens de séparation d'air comprennent au moins un déflecteur d'air qui est conçu pour éviter que l'air refoulé par la sortie de l'unité d'échange thermique ne soit aspiré par l'entrée d'air extérieur de l'unité d'échange thermique ; ledit au moins un déflecteur d'air est conçu pour éloigner les flux d'air entrant et sortant et ainsi réduire encore le risque de ré-aspiration de l'air refoulé ;
  • ledit au moins un déflecteur d'air est fixé à la deuxième partie des moyens de séparation d'air comprend également un déflecteur d'air ;
  • la deuxième partie des moyens de séparation d'air comporte une extrémité débouchante et ledit au moins un déflecteur s'étend autour de ladite extrémité débouchante ;
  • ledit au moins un déflecteur prend la forme d'une plaque dont le bord périphérique intérieur est fixé à l'extrémité débouchante de la deuxième partie des moyens de séparation d'air et qui s'étend transversalement autour de ladite extrémité débouchante de manière à obstruer une partie de l'aspiration d'air extérieur ;
  • la plaque comprend un bord périphérique extérieur qui est profilé de manière à permettre la fixation de la plaque à un élément du bâtiment (par exemple un cadre), tout en laissant dégagées autour de la plaque une ou plusieurs zones pour l'entrée d'air extérieur ;
  • les moyens de séparation d'air sont disposés derrière une grille autorisant le passage bidirectionnel de l'air.
Moreover, thanks to the two parts of the air separation means movable axially relative to each other (for example telescopic air separation means) it is possible to vary the longitudinal length or extension of said means and thus to adapt this length to different building wall thicknesses. Therefore, whatever the thickness of the wall (in a certain limit, however, which is dictated by the minimum length and the maximum length that can be obtained by axial displacement of the two assembled parts, for example by interlocking), the heat exchange unit can be arranged in the building always at the same distance from the wall. Generally, the system is designed to minimize this distance, the only length that varies being that of the two parts assembled with each other to adapt to the thickness of the wall. According to other characteristics taken separately or in combination with each other:
  • the two assembled parts of the air separation means form a discharge duct for channeling the discharge air from the outlet of the heat exchange unit; advantageously, the passage section of the discharge duct is smaller than the passage section of the air intake, the discharged air is thus very quickly evacuated out of the suction zone thus helping to minimize the phenomenon of re-aspiration of the repressed air;
  • the two parts of the air separation means are nestable one inside the other along the longitudinal axis;
  • the first part of the air separation means is engaged in the second part of the air separation means;
  • the air separation means comprise at least one air baffle which is designed to prevent the air discharged from the outlet of the heat exchange unit being sucked into the outside air inlet of the heat exchange unit; said at least one air deflector is designed to keep out the incoming and outgoing air flows and thus further reduce the risk of re-aspiration of the discharged air;
  • said at least one air deflector is attached to the second part of the air separation means also comprises an air deflector;
  • the second part of the air separation means comprises a through end and said at least one deflector extends around said open end;
  • said at least one deflector takes the form of a plate whose inner peripheral edge is fixed to the open end of the second part of the air separation means and which extends transversely around said open end so as to obstruct part of the outside air intake;
  • the plate comprises an outer peripheral edge which is profiled so as to enable the plate to be attached to a building element (for example a frame), while leaving around the plate one or more zones for the air inlet outside;
  • the air separation means are arranged behind a grid allowing the bidirectional passage of air.

L'invention vise également un bâtiment, caractérisé en ce qu'il comprend, installé dans ledit bâtiment, un système de rafraichissement, climatisation ou chauffage du bâtiment tel que brièvement exposé ci-dessus, le bâtiment comprenant une paroi délimitant l'intérieur du bâtiment de l'extérieur et dans laquelle est aménagée une ouverture mettant en communication l'intérieur et l'extérieur dudit bâtiment, l'unité d'échange thermique étant disposée à l'intérieur du bâtiment et les moyens de séparation d'air pénétrant au moins partiellement dans l'ouverture suivant une longueur de pénétration qui dépend de l'épaisseur de la paroi.The invention also relates to a building, characterized in that it comprises, installed in said building, a cooling system, air conditioning or heating of the building as briefly described above, the building comprising a wall delimiting the interior of the building from outside and in which is arranged an opening communicating the interior and exterior of said building, the heat exchange unit being disposed inside the building and the penetrating air separation means at least partially in the opening along a penetration length which depends on the thickness of the wall.

Selon une caractéristique possible, le système de rafraichissement, climatisation ou chauffage du bâtiment est conçu pour que l'air d'aspiration extérieur et l'air de refoulement soient contraints de circuler à l'intérieur de l'ouverture.According to one possible characteristic, the system for cooling, air conditioning or heating of the building is designed so that the external suction air and the discharge air are forced to circulate inside the opening.

D'autres caractéristiques et avantages apparaitront au cours de la description qui va suivre, donnée uniquement à titre d'exemple non limitatif et faite en référence aux dessins annexés, sur lesquels :

  • la figure 1 est une vue générale montrant l'implantation d'un système selon un mode de réalisation de l'invention à l'intérieur d'un bâtiment ;
  • la figure 2 est une vue de dessus montrant l'implantation de la première unité d'échange thermique dans le caisson de la figure 1 ;
  • la figure 3 est une vue en perspective de la face avant de la première unité d'échange thermique de la figure 2;
  • la figure 4 est une vue agrandie de dessus montrant la paroi avant de la première unité d'échange thermique et la première partie de gaine de refoulement en regard;
  • la figure 5 une vue schématique en perspective arrière du caisson de la figure 1 (sans certaines parois) intégrant la première unité d'échange thermique et encastré partiellement dans l'ouverture de paroi du bâtiment ;
  • la figure 6 est une vue en perspective de la face avant ouverte du caisson et de la première partie de gaine de refoulement en regard;
  • la figure 7 est une vue schématique en coupe longitudinale du caisson de la figure 5 montrant les parties de gaine mâle et femelle emboitées l'une dans l'autre ;
  • la figure 8 est une vue en perspective arrière de la partie de gaine de refoulement fixée au déflecteur et au cadre extérieur à l'intérieur de l'ouverture de paroi;
  • la figure 9 illustre, montés à l'intérieur de l'ouverture de paroi de la figure 8, le cadre intérieur et la partie de gaine de refoulement y fixée ;
  • la figure 10 est une vue de la face avant du déflecteur fixé à la partie de gaine de refoulement à l'intérieur de l'ouverture de paroi ;
  • la figure 11 est une vue en perspective éclatée de l'ensemble des composants du système selon un mode de réalisation de l'invention ;
  • les figures 12a et 12b sont des vues en perspective montrant l'adaptabilité du système à des parois de bâtiment d'épaisseurs différentes.
Other features and advantages will become apparent from the following description, given solely by way of nonlimiting example and with reference to the appended drawings, in which:
  • the figure 1 is a general view showing the implementation of a system according to one embodiment of the invention inside a building;
  • the figure 2 is a view from above showing the location of the first heat exchange unit in the box of the figure 1 ;
  • the figure 3 is a perspective view of the front face of the first heat exchange unit of the figure 2 ;
  • the figure 4 is an enlarged view from above showing the front wall of the first heat exchange unit and the first discharge duct portion facing each other;
  • the figure 5 a schematic view in rear perspective of the box of the figure 1 (without some walls) incorporating the first heat exchange unit and partially embedded in the wall opening of the building;
  • the figure 6 is a perspective view of the open front face of the box and the first portion of the delivery duct opposite;
  • the figure 7 is a schematic view in longitudinal section of the box of the figure 5 showing the male and female sheath portions nested one inside the other;
  • the figure 8 is a rear perspective view of the discharge duct portion attached to the baffle and outer frame within the wall opening;
  • the figure 9 illustrated, mounted inside the wall opening of the figure 8 , the inner frame and the discharge sheath portion attached thereto;
  • the figure 10 is a view of the front face of the deflector attached to the discharge sheath portion within the wall opening;
  • the figure 11 is an exploded perspective view of all components of the system according to one embodiment of the invention;
  • the Figures 12a and 12b are perspective views showing the adaptability of the system to building walls of different thicknesses.

On va maintenant décrire le système de rafraichissement, climatisation ou chauffage d'un bâtiment à moyens de séparation d'air télescopiques dans le cadre d'un exemple de réalisation illustré aux figures 1 à 12b où le système est à unités d'échange thermique séparées avec l'une des unités logée dans un caisson.The cooling, air conditioning or heating system of a building with telescopic air separation means will now be described in the context of an exemplary embodiment illustrated in FIGS. Figures 1 to 12b where the system is separated heat exchange units with one of the units housed in a box.

Les moyens de séparation d'air télescopiques sont bien entendu applicables à d'autres systèmes tels que des systèmes de type monobloc dans lesquels les unités ne sont pas séparées, c'est-à-dire que tous les composants du circuit frigorifique (notamment évaporateur, compresseur, condenseur et organe de détente) sont contenus dans un même coffret, caisson ou enceinte.The telescopic air separation means are of course applicable to other systems such as monoblock type systems in which the units are not separated, that is to say that all components of the refrigerant circuit (including evaporator , compressor, condenser and detent member) are contained in the same box, box or enclosure.

De manière générale, les moyens de séparation d'air télescopiques permettent de s'adapter à des épaisseurs de parois ou murs différentes et de positionner le caisson aussi près que possible d'une paroi du bâtiment ou à l'intérieur de celle-ci, suivant une profondeur variée (encombrement réduit dans le local où est installé le caisson).In general, the telescopic air separation means make it possible to adapt to thicknesses of different walls or walls and to position the box as close as possible to a wall of the building or inside it, following a varied depth (reduced space in the room where the box is installed).

On notera que tout ce qui a été décrit ci-dessus ainsi que la description ci-dessous s'appliquent également à des moyens de séparation d'air dont l'extension longitudinale peut varier et dont la fonction télescopique est réalisée différemment (par exemple une gaine en un seul tenant formée de plusieurs parties ou tronçons assemblés l'un à l'autre et coulissables l'un par rapport à l'autre).Note that all that has been described above and the description below also apply to air separation means whose longitudinal extension may vary and whose telescopic function is performed differently (for example a one-piece sheath formed of several parts or sections assembled to one another and slidable relative to each other).

Comme représenté à la figure 1 et désigné par la référence générale notée 10, un bâtiment telle qu'une habitation comprend plusieurs pièces ou locaux dont seuls deux, référencés 12, 14, sont représentés.As represented in figure 1 and designated by the general reference denoted 10, a building such as a dwelling comprises several rooms or premises of which only two, referenced 12, 14, are represented.

Un système de chauffage 20 selon un mode de réalisation de l'invention est installé dans le bâtiment. Ce système est basé sur le principe de la pompe à chaleur et est du type à unités d'échange thermique séparées (connu aussi sous le nom de technologie « split » en terminologie anglo saxonne).A heating system 20 according to one embodiment of the invention is installed in the building. This system is based on the principle of the heat pump and is of the type with separate heat exchange units (also known as "split" technology in English terminology).

Le système 20 comprend ainsi une première unité d'échange thermique 22 (visible sur la figure 2) qui est installée dans le local 12 non chauffé et qui comprend un compresseur, un évaporateur (premier échangeur), et un organe de détente.The system 20 thus comprises a first heat exchange unit 22 (visible on the figure 2 ) which is installed in the unheated room 12 and which comprises a compressor, an evaporator (first exchanger), and an expansion member.

Cette première unité est renfermée à l'intérieur d'un caisson 24 qui est seul visible sur la figure 1.This first unit is enclosed inside a box 24 which is only visible on the figure 1 .

Le système comprend également une deuxième unité d'échange thermique 26 installée dans le local 14 qui est chauffé, par exemple, par l'intermédiaire d'un plancher chauffant 28. La deuxième unité 26 comprend par exemple un condenseur (deuxième échangeur non représenté) et un équipement de régulation avec des organes dédiés au pilotage du système de chauffage et à la gestion du confort climatique de l'habitat. Le condenseur permet de chauffer l'eau (fluide secondaire) circulant dans les tuyaux 30 qui alimentent les tuyaux du plancher chauffant 28.The system also comprises a second heat exchange unit 26 installed in the room 14 which is heated, for example, by means of a heating floor 28. The second unit 26 comprises for example a condenser (second exchanger not shown) and control equipment with dedicated components for controlling the heating system and managing the climatic comfort of the home. The condenser is used to heat the water (secondary fluid) circulating in the pipes 30 which supply the pipes of the underfloor heating 28.

Selon une variante non représentée, une ou plusieurs autres « deuxièmes » unités d'échange thermique 26 peuvent être installées dans d'autres locaux ou pièces du bâtiment (technologie « multi-split » en terminologie anglo-saxonne).According to a variant not shown, one or more other "second" heat exchange units 26 may be installed in other premises or parts of the building (technology "multi-split" in English terminology).

Comme représenté sur la figure 1, la première unité d'échange thermique 22 est raccordée à la deuxième 26 par des liaisons frigorifiques 32 véhiculant le fluide caloporteur à changement d'états (fluide primaire) qui est utilisé dans le circuit frigorifique.As shown on the figure 1 , the first heat exchange unit 22 is connected to the second 26 by refrigerating links 32 conveying the heat transfer fluid with change of states (primary fluid) which is used in the refrigerant circuit.

La première unité d'échange thermique 22 est illustrée en vue de dessus de façon schématique à la figure 2 et comprend, à l'intérieur d'une enceinte 23, les principaux composants de cette unité, à savoir :

  • un échangeur thermique de type évaporateur 32 (premier échangeur) qui peut avoir, en vue de dessus, une forme générale de L (fig.2) ou une forme rectiligne (voire une autre forme) et dans lequel circule le fluide caloporteur précité,
  • un ventilateur 34 qui a pour fonction d'aspirer l'air d'entrée dans l'enceinte 23 de l'unité 22 pour lui faire traverser l'échangeur 32 et le refouler à la sortie de l'enceinte 23,
  • un organe de détente 36 disposé en amont de l'évaporateur 32 et qui permet au fluide caloporteur d'entrer dans l'évaporateur à basse pression et basse température,
  • un compresseur 38 disposé en sortie de l'évaporateur 32 qui augmente la pression et la température du fluide à l'état gazeux. L'organe 36 et le compresseur 38 ne sont pas individualisés mais représentés dans un seul et même bloc.
The first heat exchange unit 22 is illustrated in plan view schematically at the figure 2 and comprises, within an enclosure 23, the main components of this unit, namely:
  • an evaporator-type heat exchanger 32 (first exchanger) which may have, in plan view, a general shape of L ( fig.2 ) or a rectilinear shape (or another shape) and in which circulates the heat transfer fluid mentioned above,
  • a fan 34 which has the function of sucking the inlet air into the enclosure 23 of the unit 22 to make it pass through the exchanger 32 and discharge it at the outlet of the enclosure 23,
  • an expansion member 36 disposed upstream of the evaporator 32 and which allows the coolant to enter the evaporator at low pressure and low temperature,
  • a compressor 38 disposed at the outlet of the evaporator 32 which increases the pressure and the temperature of the fluid in the gaseous state. The member 36 and the compressor 38 are not individualized but represented in one and the same block.

Comme représenté sur la figure 2, l'enceinte 23, logée dans le caisson 24 illustré en pointillés, comprend, en vue de dessus, quatre parois 23a-d et une paroi formant socle 23e. L'enceinte comprend également une paroi de dessus 23f non visible sur cette figure mais visible sur la figure 3.As shown on the figure 2 , the enclosure 23, housed in the box 24 illustrated in dashed lines, comprises, in plan view, four walls 23a-d and a base wall 23e. The enclosure also comprises a top wall 23f not visible in this figure but visible on the figure 3 .

Les deux parois adjacentes 23a, 23b (formant un coin de l'enceinte) sont ajourées (munies de grilles) de manière à permettre l'entrée d'air latérale et arrière dans l'enceinte 23, comme illustré par les flèches respectives A1 et A2. L'entrée d'air s'effectue sous l'effet des moyens d'aspiration 34 afin que cet air passe à travers l'évaporateur 32 et réalise avec ce dernier un échange thermique (évaporation du fluide caloporteur interne à l'évaporateur et refroidissement de l'air aspiré).The two adjacent walls 23a, 23b (forming a corner of the enclosure) are perforated (provided with grids) so as to allow the entry of lateral and rear air into the chamber 23, as illustrated by the respective arrows A1 and A2. The air inlet is effected by the effect of the suction means 34 so that this air passes through the evaporator 32 and carries with it a heat exchange (evaporation of the internal heat transfer fluid to the evaporator and cooling sucked air).

Les deux autres parois adjacentes 23c, 23d forment un coin opposé de l'enceinte. La paroi 23d, appelée paroi frontale, est opposée à la paroi arrière 23b d'entrée d'air et est percée d'une ouverture traversante 40 visible sur la figure 3 et en vis-à-vis de laquelle est positionné le ventilateur 34. L'air ayant traversé l'évaporateur 32 est ensuite refoulé par cette ouverture 40 qui constitue une sortie d'air de refoulement pour l'unité d'échange thermique 22.The other two adjacent walls 23c, 23d form an opposite corner of the enclosure. The wall 23d, called the front wall, is opposite to the rear wall 23b of air inlet and is pierced with a through opening 40 visible on the figure 3 and vis-à-vis which is positioned the fan 34. The air having passed through the evaporator 32 is then discharged through this opening 40 which constitutes a discharge air outlet for the heat exchange unit 22.

La zone périphérique ou virole 40a bordant cette ouverture a une forme générale tronconique dont l'évasement est orienté en direction de l'extérieur de l'enceinte, dans le sens de l'air refoulé A3 (figure 4).The peripheral zone or ferrule 40a bordering this opening has a generally frustoconical shape whose flare is directed towards the outside of the enclosure, in the direction of the forced air A3 ( figure 4 ).

Ce type d'unité d'échange thermique est implanté de manière conventionnelle à l'extérieur des bâtiments et, à cet effet, l'ouverture 40 est normalement fermée par une grille.This type of heat exchange unit is conventionally implanted outside the buildings and, for this purpose, the opening 40 is normally closed by a grid.

Dans ce mode de réalisation, cette grille a été retirée et l'unité d'échange thermique 22 est placée dans le bâtiment, à l'intérieur du caisson 24.In this embodiment, this grid has been removed and the heat exchange unit 22 is placed in the building, inside the box 24.

Ce type d'unité d'échange thermique est par exemple celui que l'on trouve dans les pompes à chaleur commercialisées par la société Atlantic sous la référence commerciale « Alfea Extensa + 6 ».This type of heat exchange unit is for example the one found in heat pumps marketed by Atlantic under the commercial reference "Alfea Extensa + 6".

La figure 5 illustre (vue de l'arrière du caisson) la première unité d'échange thermique 22 logée à l'intérieur du caisson 24 dont certaines des parois ont été retirées par souci de visibilité.The figure 5 illustrates (view from the rear of the box) the first heat exchange unit 22 housed inside the box 24, some of the walls have been removed for the sake of visibility.

Sur la figure 2 les deux parois latérales opposées 24a, 24b du caisson ont été représentées en pointillés, ainsi que la paroi de fond 24c.On the figure 2 the two opposite side walls 24a, 24b of the box have been shown in dotted lines, as well as the bottom wall 24c.

Comme illustré sur les figures 2, 5 et 6, le caisson 24 est ouvert sur toute sa face avant (délimitée latéralement par les parois opposées 24a et 24b), à savoir sur le côté du caisson qui est opposé à la paroi de fond 24c. La première unité 22 est disposée en regard de l'ouverture 24e de la face avant du caisson, l'ouverture 40 de sortie de l'air refoulé A3 faisant face à l'ouverture frontale 24e du caisson.As illustrated on figures 2 , 5 and 6 , the box 24 is open on its entire front face (defined laterally by the opposite walls 24a and 24b), namely on the side of the box which is opposite the bottom wall 24c. The first unit 22 is disposed opposite the opening 24e of the front face of the box, the outlet opening 40 of the discharged air A3 facing the front opening 24e of the box.

L'unité 22 est décalée latéralement à l'intérieur du caisson de manière à laisser plus d'espace entre la paroi latérale 23a de l'unité et la paroi latérale 24a du caisson qu'entre la paroi latérale 23c de l'unité et la paroi latérale 24b opposée du caisson.The unit 22 is shifted laterally inside the box so as to leave more space between the side wall 23a of the unit and the side wall 24a of the box and between the side wall 23c of the unit and the opposite side wall 24b of the box.

Ainsi, l'unité 22 est décalée par rapport à l'ouverture 24e de manière à venir tangenter la paroi latérale 24b, laissant ainsi dégagé un passage latéral derrière l'ouverture 24e, entre la paroi latérale 24a et la paroi 23a de l'enceinte 23.Thus, the unit 22 is offset relative to the opening 24e so as to come tangent to the side wall 24b, thus leaving a lateral passage behind the opening 24e, between the side wall 24a and the wall 23a of the enclosure 23.

Cet agencement favorise l'entrée d'air extérieur au bâtiment (symbolisé par la flèche A0 sur la figure 2) dans le caisson, du côté où l'unité possède une entrée d'air.This arrangement promotes the entry of air outside the building (symbolized by the arrow A0 on the figure 2 ) in the box, on the side where the unit has an air inlet.

De même, l'unité 22 est écartée de la paroi de fond 24c du caisson et est rapprochée de l'ouverture 24e pour laisser un espace suffisant pour l'amenée d'air en entrée de l'unité 22 par la paroi arrière 23b. Cet air entrant passe au préalable, d'une part, par le passage latéral situé derrière l'ouverture 24e, entre la paroi latérale 24a et la paroi 23a de l'enceinte 23 et, d'autre part, au dessus de la paroi de dessus 23f de l'enceinte 23.Similarly, the unit 22 is spaced from the bottom wall 24c of the box and is close to the opening 24e to leave sufficient space for the supply of air at the input of the unit 22 by the rear wall 23b. This incoming air passes firstly, on the one hand, by the lateral passage located behind the opening 24e, between the side wall 24a and the wall 23a of the enclosure 23 and, on the other hand, above the wall of above 23f of the enclosure 23.

Comme représenté sur les figures 5 et 7, la paroi 11 du bâtiment est percée d'une ouverture traversante dite de paroi 13 qui met en communication l'intérieur et l'extérieur du bâtiment. L'ouverture 13 s'étend suivant une dimension longitudinale appelée profondeur en étant délimitée à sa périphérie par des portions de paroi longitudinales 13a-d visibles sur la figure 8 (cette figure montre une partie du système selon l'invention installée dans l'ouverture 13).As shown on figures 5 and 7 , the wall 11 of the building is pierced with a so-called through wall opening 13 which communicates the interior and exterior of the building. The opening 13 extends along a longitudinal dimension called depth being delimited at its periphery by longitudinal wall portions 13a-d visible on the figure 8 (This figure shows part of the system according to the invention installed in the opening 13).

Le caisson 24 possède des dimensions transversales qui correspondent à celles de l'ouverture de paroi 13 et est ainsi encastré partiellement à l'intérieur de cette ouverture 13 (sur une partie de la profondeur de l'ouverture 13) de manière à ce que l'ouverture 24e du caisson soit en vis-à-vis de ladite ouverture 13 et communique avec celle-ci. Ceci permet de bénéficier pleinement de l'arrivée d'air extérieur au bâtiment (via l'ouverture 24e) à l'intérieur du caisson.The box 24 has transverse dimensions corresponding to those of the wall opening 13 and is thus partially embedded inside this opening 13 (on a part of the depth of the opening 13) so that the opening 24e of the box is vis-à-vis said opening 13 and communicates therewith. This makes it possible to take full advantage of the outside air supply to the building (via the 24th opening) inside the box.

Le caisson 24 comprend une ossature constituée de plusieurs montants verticaux et horizontaux (traverses et longerons) assemblés entre eux et qui forment les arêtes du caisson (figure 5).The caisson 24 comprises a framework consisting of several vertical and horizontal uprights (crosspieces and longitudinal members) assembled together and which form the edges of the caisson ( figure 5 ).

Les parois 24a-c et une paroi de plafond 24f (figures 1 et 5) sont rapportées et fixées sur ces montants afin de fermer le caisson sur la totalité de ces faces.The walls 24a-c and a ceiling wall 24f ( figures 1 and 5 ) are reported and fixed on these amounts in order to close the box on all of these faces.

On notera que dans cet exemple au moins deux parois, les parois 24b et 24c, sont montées de manière amovible pour pouvoir installer l'unité d'échange thermique 22 dans le caisson et également pour pouvoir accéder à l'intérieur du caisson en cas de besoin (ex : maintenance). Les parois ou panneaux fermant le caisson sont isolés thermiquement pour limiter les déperditions thermiques.Note that in this example at least two walls, the walls 24b and 24c, are removably mounted to be able to install the heat exchange unit 22 in the box and also to access the interior of the box in case of need (ex: maintenance). The walls or Panels closing the box are thermally insulated to limit heat loss.

Le caisson 24 comprend également une paroi de dessous ou embase 41, par exemple métallique, sur laquelle est positionnée une plaque 42 de récupération des condensats de l'échangeur 32.The box 24 also comprises a bottom wall or base 41, for example metal, on which is positioned a plate 42 for recovering the condensates from the exchanger 32.

L'unité 22 repose sur des éléments de guidage 44, 46, par exemple au nombre de deux (figure 5). Il s'agit par exemple de deux rails parallèles qui sont montés respectivement à l'intérieur de deux empreintes creusées dans l'épaisseur de la plaque depuis un bord qui est disposé du côté de la paroi de fond du caisson jusqu'au bord opposé disposé du côté ouvert du caisson.The unit 22 rests on guide elements 44, 46, for example two in number ( figure 5 ). This is for example two parallel rails which are respectively mounted inside two indentations dug in the thickness of the plate from an edge which is disposed on the side of the bottom wall of the box to the opposite edge disposed on the open side of the box.

Chaque rail 44, 46 est lui-même monté sur des organes de fixation antivibratoires non représentés, de type plots anti vibratile (connu aussi sous le terme de « silent bloc » en terminologie anglo-saxonne) par exemple au nombre de quatre, qui sont fixés à l'embase 41.Each rail 44, 46 is itself mounted on antivibration fasteners not shown, of anti-vibratile type pads (also known as "silent block" in English terminology) for example four in number, which are attached to the base 41.

L'agencement de ces rails parallèles permet d'y positionner les pieds de l'unité 22 et de les faire coulisser dans un mouvement de translation jusqu'à ce que ladite unité parvienne à sa zone d'implantation adjacente à l'ouverture 24e et illustrée sur la figure 2. Grâce au montage amortissant de l'enceinte 23 de l'unité 22 sur les rails 44, 46 qui sont fixés aux organes antivibratoires, la transmission des vibrations de l'enceinte à l'embase est fortement limitée (réduction du niveau de bruit).The arrangement of these parallel rails makes it possible to position the feet of the unit 22 and to slide them in a translation movement until said unit reaches its implantation area adjacent to the opening 24 and illustrated on the figure 2 . Thanks to the damping mounting of the enclosure 23 of the unit 22 on the rails 44, 46 which are attached to the antivibration members, the transmission of vibrations from the enclosure to the base is greatly limited (reduction of the noise level).

Le système 20 comprend également des moyens de séparation d'air entre l'air de refoulement A3 (figure 2) et l'air A0 provenant de l'extérieur du bâtiment et qui entre dans le caisson afin d'alimenter l'entrée d'air de l'unité 22.The system 20 also comprises means for separating air between the discharge air A3 ( figure 2 ) and A0 air from outside the building and entering the box to supply the air inlet of the unit 22.

Les moyens de séparation d'air 70 (illustrés schématiquement sur la figure 7) s'étendent longitudinalement (l'axe longitudinal d'extension X correspond à la profondeur de l'ouverture 13 de paroi) à partir de la sortie 40 de l'unité 22 et en éloignement de celle-ci. Comme représenté schématiquement de façon assemblée sur la figure 7, les moyens 70 comprennent deux parties distinctes qui sont emboitables l'une dans l'autre suivant une longueur d'emboitement ou de pénétration plus ou moins grande de manière à faire varier la longueur totale (extension suivant l'axe longitudinal X) des deux parties emboitées.The air separation means 70 (illustrated schematically on the figure 7 ) extend longitudinally (the longitudinal axis of extension X corresponds to the depth of the wall opening 13) from the outlet 40 of the unit 22 and away from it. As shown schematically in an assembled fashion on the figure 7 , the means 70 comprise two distinct parts which are nestable into one another according to a length of interlocking or penetration greater or lesser so as to vary the total length (extension along the longitudinal axis X) of the two nested portions.

Ces moyens 70 prennent par exemple la forme d'une gaine de refoulement comprenant une partie de gaine mâle 72 (première partie) et une partie de gaine femelle 90 (deuxième partie) qui sont représentées de façon séparée respectivement sur les figures 6 et 8.These means 70 take for example the form of a discharge sheath comprising a male sheath portion 72 (first portion) and a female sheath portion 90 (second portion) which are separately shown respectively on the figures 6 and 8 .

Comme représenté sur la figure 6, la partie de gaine male 72 est montée sur une embase 74 (d'extension transversale) qui est fixée entre deux montants verticaux 76, 78, par l'intermédiaire de retours axiaux 75a, 75b. Les montants 76, 78 sont tous deux fixés aux montants horizontaux haut et bas 80 et 82 d'un cadre dit intérieur 79 qui délimite la périphérie extérieure de l'ouverture 24e du caisson. Le cadre 79 comprend un châssis formé de quatre montants dont deux horizontaux 80, 82 reliés à deux verticaux 83, 84 et qui s'étendent chacun axialement (suivant l'axe longitudinal d'extension des moyens de séparation d'air 70). Le cadre 79 comprend également un rebord périphérique 85 qui s'étend transversalement autour du châssis à une de ses deux extrémités longitudinales. Comme représenté aux figures 5, 9 et 11, le châssis est destiné à s'engager à l'intérieur de l'ouverture 13 et à s'ajuster contre les portions de paroi longitudinales 13a-d délimitant celle-ci. Le rebord 85 vient s'appuyer sur la face intérieure de la paroi 11 qui est orientée vers l'intérieur de la pièce et, plus particulièrement, contre une zone périphérique de cette face qui borde l'ouverture 13. Des organes de fixation tels que des vis permettent de fixer le cadre 79 à la face intérieure de la paroi 11. Le caisson 24 est encastré partiellement à l'intérieur du châssis comme représenté sur les figures 5 et 6. La partie de gaine mâle 72 a, par exemple, une forme générale cylindrique et une section de passage circulaire. La partie de gaine mâle présente une première extrémité 72a raccordée à l'embase 74 et une deuxième extrémité opposée libre 72b qui est destinée à coopérer avec la partie de gaine femelle 90 illustrée sur la figure 8.As shown on the figure 6 , the male sheath portion 72 is mounted on a base 74 (of transverse extension) which is fixed between two vertical uprights 76, 78, via axial returns 75a, 75b. The uprights 76, 78 are both attached to the horizontal high and low amounts 80 and 82 of an inner frame 79 which defines the outer periphery of the opening 24e of the box. The frame 79 comprises a frame formed of four uprights, two horizontal 80, 82 connected to two verticals 83, 84 and which each extend axially (along the longitudinal axis of extension of the air separation means 70). The frame 79 also includes a peripheral flange 85 which extends transversely around the frame at one of its two longitudinal ends. As represented in figures 5 , 9 and 11 , the frame is intended to engage inside the opening 13 and to fit against the longitudinal wall portions 13a-d defining it. The flange 85 is supported on the inner face of the wall 11 which is oriented towards the interior of the part and, more particularly, against a peripheral zone of this face which borders the opening 13. Fixing members such as screws allow to fix the frame 79 to the inner face of the wall 11. The box 24 is embedded partially inside the frame as shown on the Figures 5 and 6 . The male sheath portion 72 has, for example, a generally cylindrical shape and a circular passage section. The male sheath portion has a first end 72a connected to the base 74 and a second free opposite end 72b which is intended to cooperate with the female sheath portion 90 shown in FIG. figure 8 .

Comme illustré sur la figure 6, l'unité 22 est positionnée à l'intérieur du caisson, contre l'embase 74, de manière à ce que l'ouverture de sortie de refoulement d'air 40 de l'unité soit en regard de la section de passage interne de la partie de gaine mâle 72. L'unité 22 reste toutefois distincte et indépendante de l'embase et de la partie de gaine mâle 72.As illustrated on the figure 6 , the unit 22 is positioned inside the box, against the base 74, so that the air outlet outlet opening 40 of the unit is facing the internal passage section of the male sheath portion 72. The unit 22, however, remains distinct and independent of the base and the male sheath portion 72.

Un joint d'étanchéité 81 est interposé entre l'embase 74 et la zone de la paroi 23d de l'unité 22 qui entoure l'ouverture 40 (figure 11).A seal 81 is interposed between the base 74 and the zone of the wall 23d of the unit 22 which surrounds the opening 40 ( figure 11 ).

Comme illustré sur la figure 8, la partie de gaine femelle 90 a par exemple une forme générale cylindrique et une section de passage circulaire. La partie de gaine femelle 90 présente une première extrémité libre 90a qui peut être évasée selon les configurations de manière à faciliter l'introduction de la deuxième extrémité libre 72b (figure 6) dans celle-ci.As illustrated on the figure 8 , the female sheath portion 90 has for example a generally cylindrical shape and a circular passage section. The female sheath portion 90 has a first free end 90a that can be flared in configurations to facilitate the introduction of the second free end 72b ( figure 6 ) in this one.

La partie de gaine femelle 90 présente une deuxième extrémité opposée débouchante 90b autour de laquelle est raccordé un déflecteur d'air 92 par son bord périphérique intérieur 92a.The female sheath portion 90 has a second open end 90b end around which is connected an air deflector 92 by its inner peripheral edge 92a.

Le déflecteur 92 visible du côté de sa face avant en figure 10 prend la forme d'une plaque qui entoure la deuxième extrémité 90b. La plaque s'étend transversalement par rapport à la direction d'extension longitudinale de la partie de gaine femelle 90 de manière à rejoindre un cadre extérieur 94 auquel ladite plaque est fixée par son bord périphérique extérieur 92b. La plaque formant déflecteur 92 a une forme générale de collerette qui est élargie sur deux côtés latéraux opposés de manière à être fixée latéralement par des retours (figure 8) à deux montants verticaux 94a, 94b du cadre extérieur 94. La plaque 92 est également fixée par son bord inférieur au montant horizontal inférieur 94c du cadre (figures 8 et 10).The deflector 92 visible on the side of its front face in figure 10 takes the form of a plate that surrounds the second end 90b. The plate extends transversely to the direction of longitudinal extension of the female sheath portion 90 so as to join an outer frame 94 to which said plate is fixed by its outer peripheral edge 92b. The deflector plate 92 has a generally flange-like shape which is enlarged on two opposite lateral sides so as to be laterally fixed by returns ( figure 8 ) to two vertical uprights 94a, 94b of the outer frame 94. The plate 92 is also fixed by its lower edge to the lower horizontal upright 94c of the frame ( figures 8 and 10 ).

Le bord périphérique extérieur 92b de la plaque est ainsi profilé de manière à permettre la fixation au cadre, tout en laissant dégagées plusieurs zones pour le passage de l'air extérieur à travers l'ouverture 13 de paroi et son entrée dans le caisson par le côté ouvert de celui-ci.The outer peripheral edge 92b of the plate is thus shaped so as to allow attachment to the frame, while leaving unobstructed several zones for the passage of the outside air through the opening 13 of the wall and its entry into the box by the open side of it.

Plus particulièrement, la plaque 92 est découpée de manière à dégager deux zones de passage inférieures Z1 et Z2 d'entrée d'air et une grande zone supérieure Z3 d'entrée d'air (figures 8 et 10).More particularly, the plate 92 is cut in such a manner as to disengage two lower air inlet passage zones Z1 and Z2 and a large upper air intake zone Z3 ( figures 8 and 10 ).

La plaque 92 permet ainsi de séparer, d'une part, l'air A3 refoulé par la sortie 40 de l'unité d'échange thermique 22 et canalisé par la gaine de refoulement dont les deux parties 72 et 90 sont emboitées l'une dans l'autre (comme sur la figure 7) jusqu'à son extrémité débouchante 90b et, d'autre part, l'air extérieur entrant par l'ouverture 13 de paroi. On évite ainsi que de l'air refoulé ne soit réaspiré avec l'air extérieur entrant grâce à la plaque 92.The plate 92 thus makes it possible to separate, on the one hand, the air A3 discharged through the outlet 40 of the heat exchange unit 22 and channeled by the discharge duct, the two parts 72 and 90 of which are nested with one another. in the other (as on the figure 7 ) to its open end 90b and, on the other hand on the other hand, the outside air entering through the opening 13 of the wall. It is thus avoided that the repressed air is re-sucked with the outside air entering through the plate 92.

On notera en référence à la figure 4 (sur cette figure on a représenté en pointillés la position de la partie de gaine mâle 72 devant l'ouverture de sortie 40 de l'unité d'échange thermique 22) que la première extrémité 72a de la partie de gaine mâle est par exemple positionnée en correspondance avec le bord périphérique intérieur 40a1 de diamètre réduit de l'ouverture 40 (diamètre intérieur de la virole 40a) et non avec le bord périphérique extérieur de diamètre élargi (diamètre extérieur de la virole 40a).Note with reference to the figure 4 (In this figure, the position of the male sheath portion 72 in front of the outlet opening 40 of the heat exchange unit 22) is shown in dotted lines, for example, the first end 72a of the male sheath portion is positioned. in correspondence with the inner peripheral edge 40a1 of reduced diameter of the opening 40 (inner diameter of the ferrule 40a) and not with the outer peripheral edge of enlarged diameter (external diameter of the ferrule 40a).

Ainsi, en empêchant la section de passage d'augmenter, l'air de refoulement A3 conserve une vitesse élevée dans la gaine de refoulement et à son extrémité débouchante. Cette vitesse de sortie de l'air de refoulement contribue également à éviter que l'air refoulé ne soit réaspiré en entrée du système.Thus, by preventing the passage section from increasing, the discharge air A3 retains a high speed in the discharge duct and at its open end. This discharge air outlet speed also helps to prevent the discharge air from being sucked back into the system inlet.

Comme déjà mentionné, la deuxième extrémité 72b de la partie de gaine mâle 72 est emboitée dans la première extrémité 90a de la partie de gaine femelle 90 (figure 7).As already mentioned, the second end 72b of the male sheath portion 72 is engaged in the first end 90a of the female sheath portion 90 ( figure 7 ).

Cet agencement évite que des gouttes de condensats qui pourraient être projetées par le ventilateur 34 ne s'échappent par l'interstice entre les deux parties de gaine emboitées.This arrangement prevents drops of condensate that could be projected by the fan 34 from escaping through the gap between the two nested sheath portions.

En outre, cet agencement réduit les pertes de charge et est plus esthétique que l'agencement inverse (partie de gaine 90 emboitée dans la partie de gaine 72).In addition, this arrangement reduces the pressure drops and is more aesthetic than the reverse arrangement (sheath portion 90 engaged in the sheath portion 72).

Toutefois, l'agencement inverse est tout à fait envisageable à titre de variante.However, the reverse arrangement is quite possible as an alternative.

Comme représenté sur les figures 8 et 10, le cadre extérieur 94 auquel sont fixés le déflecteur 92 et la partie de gaine 90 est monté dans l'ouverture 13 et fixé à la paroi 11 (depuis l'intérieur du bâtiment pour des raisons de sécurité).As shown on figures 8 and 10 the outer frame 94 to which the deflector 92 and the sheath portion 90 are attached is mounted in the opening 13 and secured to the wall 11 (from the interior of the building for safety reasons).

Comme illustré sur les figures 5, 7 et 8, le cadre extérieur 94 est fermé par une grille 100 qui s'étend dans un plan transversal. Cette grille 100 assure de façon principale le passage bidirectionnel de l'air à travers celle-ci. Cette grille assure également les fonctions d'habillage esthétique de l'ouverture 13 de paroi, d'interdiction du passage aux personnes et animaux ainsi que de protection vis-à-vis des eaux pluviales. Le cadre extérieur 94 et la grille 100 peuvent être montés affleurants par rapport à la face extérieure de la paroi 11 ou en retrait dans l'ouverture 13 de paroi (figs. 7, 8 et 10).As illustrated on figures 5 , 7 and 8 , the outer frame 94 is closed by a grid 100 which extends in a transverse plane. This grid 100 mainly ensures the bidirectional passage of air through it. This grid also provides the functions of aesthetic dressing of the opening 13 wall, prohibition of passage to people and animals and protection against rainwater. The outer frame 94 and the grid 100 may be flush mounted with respect to the outer face of the wall 11 or recessed in the wall opening 13 ( Figs. 7 , 8 and 10 ).

Sur la figure 9, le châssis du cadre extérieur 79 a été introduit dans l'ouverture 13 et fixé à la paroi 11 par l'intermédiaire de son rebord 85 et des moyens de fixation associés.On the figure 9 , the frame of the outer frame 79 has been introduced into the opening 13 and fixed to the wall 11 by means of its flange 85 and associated fixing means.

Les deux parties de gaine 72 et 90 ont été emboitées l'une dans l'autre (comme sur la figure 7) de manière à ce que la longueur de la gaine de refoulement ainsi formée qui s'étend à l'intérieur de l'ouverture 13 s'adapte à l'épaisseur de la paroi 11.The two sheath portions 72 and 90 have been nested one inside the other (as on the figure 7 ) so that the length of the discharge duct thus formed which extends inside the opening 13 adapts to the thickness of the wall 11.

Le cadre intérieur 79 porte deux bras horizontaux parallèles 95, 96 (fig. 9) qui s'étendent longitudinalement en éloignement du rebord 85 auquel ils sont fixés (vers l'intérieur de la pièce du bâtiment). Ces bras 95, 96 forment des éléments de support pour le caisson 24 dont une partie est destinée à reposer dessus en position installée (fig.5), une autre partie du caisson étant en appui sur le châssis de par son encastrement à l'intérieur de celui-ci. Le caisson est en outre fixé au montant horizontal supérieur du cadre intérieur 79 (fig. 5) par l'intermédiaire de deux bras inclinés de fixation B1, B2 qui contribuent également à supporter le caisson.The inner frame 79 carries two parallel horizontal arms 95, 96 ( Fig. 9 ) which extend longitudinally away from the flange 85 to which they are attached (towards the interior of the building room). These arms 95, 96 form support elements for the caisson 24, part of which is intended to rest on it in the installed position ( fig.5 ), another part of the box being supported on the frame by its embedding inside thereof. The casing is also attached to the upper horizontal upright of the inner frame 79 ( Fig. 5 ) by means of two inclined fixing arms B1, B2 which also contribute to support the box.

La figure 11 est une vue en perspective éclatée des différents composants du système dans ce mode de réalisation et leur ordre d'assemblage les uns par rapport aux autres : le déflecteur 92 et la partie de gaine femelle 90 fixés au cadre extérieur, la partie de gaine male 72 fixée au cadre intérieur 79 et le caisson 24 qui renferme l'unité d'échange thermique 22. On notera que la paroi de plafond 24f a été volontairement simplifiée car la trappe 24g n'y a pas été représentée.The figure 11 is an exploded perspective view of the various components of the system in this embodiment and their order of assembly relative to each other: the deflector 92 and the female sheath portion 90 fixed to the outer frame, the male sheath portion 72 fixed to the inner frame 79 and the box 24 which encloses the heat exchange unit 22. Note that the ceiling wall 24f has been deliberately simplified because the hatch 24g has not been shown.

Les figures 12a et 12b illustrent l'adaptation du système selon le mode de réalisation de l'invention, par l'intermédiaire de la gaine de refoulement télescopique décrite ci-dessus, à des parois 11a, 11b d'épaisseurs variées. La longueur d'extension est ainsi plus grande pour une paroi de faible épaisseur 11a (ex : 150 mm) que pour une paroi de forte épaisseur 11b (ex : 360 mm). Sur la figure 12a, le cadre 94 est monté affleurant par rapport à la paroi 11a et le rebord horizontal 97a assujetti au cadre et qui repose sur la paroi horizontale inférieure de l'ouverture 13 est courte. Sur la figure 12b, le cadre 94 est monté en retrait dans l'ouverture 13 et le rebord horizontal 97b du cadre extérieur est plus long. Les rebords horizontaux 97a et 97b sont des larmiers qui permettent d'évacuer les eaux de pluie sans engendrer de coulures sur les murs.The Figures 12a and 12b illustrate the adaptation of the system according to the embodiment of the invention, through the telescopic discharge sleeve described above, to walls 11a, 11b of varying thicknesses. The extension length is thus greater for a thin wall 11a (eg 150 mm) than for a thick wall 11b (eg 360 mm). On the figure 12a , the frame 94 is mounted flush with respect to the wall 11a and the horizontal flange 97a secured to the frame and resting on the lower horizontal wall of the opening 13 is short. On the figure 12b the frame 94 is recessed in the opening 13 and the horizontal edge 97b of the outer frame is longer. The horizontal edges 97a and 97b are drips that allow to evacuate the rainwater without causing drips on the walls.

Claims (14)

  1. A cooling, air conditioning or heating system (20) for a building (10) based on the heat pump principle, comprising:
    - a heat exchange unit (22) that provides a heat exchange with the air outside said unit and includes at least one heat exchanger (32), i.e., an evaporator or condenser, in which a heat transfer fluid circulates, the unit including an inlet for aspirating outside air, an outlet (40) for discharging air and means (34) for aspirating air at the inlet so that it traverses said at least one exchanger and is discharged at the outlet,
    - separating means (70) between the discharge air from the outlet of the heat exchange unit and the outside air that is intended to enter the heat exchange unit, said air-separation means being positioned in front of the outlet (40) of the heat exchange unit and extending longitudinally in the axial extension of said outlet and at a distance therefrom so as to channel the discharge air from the outlet (40), characterized in that said air-separation means are configured so that the longitudinal extension is able to vary.
  2. The system according to claim 1, characterized in that the air-separation means (70) are telescoping.
  3. The system according to claim 1 or 2, characterized in that the air-separation means comprise a first part (72) positioned in front of the outlet (40) of the heat exchange unit and a second part (90) positioned away from the outlet, in the axial extension of the first part and assembled to the latter, the two parts (72, 90) being movable relative to one another along the longitudinal axis (X) along which the two parts are positioned so as to vary the longitudinal extension of the assembly formed by said two parts.
  4. The system according to claim 3, characterized in that the two assembled parts (72, 90) of the air-separation means (70) form a discharge sheath making it possible to channel the discharge air from the outlet of the heat exchange unit.
  5. The system according to claim 3 or 4, characterized in that the two parts (72, 90) of the air-separation means can be nested in one another along the longitudinal axis (X).
  6. The system according to claim 5, characterized in that the first part (72) of the air-separation means is nested in the second part (90) of the air-separation means.
  7. The system according to one of claims 1 to 6, characterized in that the air-separation means comprise at least one air deflector (92) that is designed to prevent the air discharged through the outlet of the heat exchange unit from being aspirated by the outside air inlet of the heat exchange unit.
  8. The system according to claims 3 and 7, characterized in that said at least one air deflector (92) is fastened to the second part (90) of the air-separation means.
  9. The system according to claim 8, characterized in that the second part (90) of the air-separation means includes an emerging end (90b) and said at least one deflector (92) extends around said emerging end.
  10. The system according to claim 9, characterized in that said at least one deflector assumes the form of a plate (92), the inner peripheral edge (92a) of which is fastened to the emerging end (90b) of the second part (90) of the air-separation means and extends transversely around said emerging end so as to obstruct part of the aspiration of outside air.
  11. The system according to claim 10, characterized in that the plate comprises an outer peripheral edge (92b) that is profiled so as to allow the plate to be fastened to an element of the building, while leaving one or several zones (Z1-Z3) around the plate free for the intake of outside air.
  12. The system according to one of claims 1 to 11, characterized in that the air-separation means (70) are positioned behind a grate (100) allowing the two-way passage of air.
  13. A building (10), characterized in that it comprises, installed in said building, a cooling, air conditioning or heating system (20) of the building according to one of claims 1 to 12, the building comprising a wall (11) demarcating the inside of the building from the outside and in which an opening (13) is arranged placing the inside and the outside of said building in communication, the heat exchange unit (22) being positioned inside the building and the air-separation means (70) at least partially penetrating the opening (13) along a penetration length that depends on the thickness of the wall.
  14. The building according to claim 13, characterized in that the cooling, air conditioning or heating system of the building is designed so that the outside aspiration air and the discharge air are forced to circulate inside the opening (13).
EP15178530.0A 2014-07-25 2015-07-27 Cooling, air-conditioning or heating system with telescopic air-separation means Active EP3002523B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15178530T PL3002523T3 (en) 2014-07-25 2015-07-27 Cooling, air-conditioning or heating system with telescopic air-separation means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1457226A FR3024212B1 (en) 2014-07-25 2014-07-25 SYSTEM FOR REFRIGERATING, AIR CONDITIONING OR HEATING WITH TELESCOPIC AIR SEPARATION MEANS

Publications (2)

Publication Number Publication Date
EP3002523A1 EP3002523A1 (en) 2016-04-06
EP3002523B1 true EP3002523B1 (en) 2017-07-05

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Application Number Title Priority Date Filing Date
EP15178530.0A Active EP3002523B1 (en) 2014-07-25 2015-07-27 Cooling, air-conditioning or heating system with telescopic air-separation means

Country Status (5)

Country Link
EP (1) EP3002523B1 (en)
DK (1) DK3002523T3 (en)
ES (1) ES2641543T3 (en)
FR (1) FR3024212B1 (en)
PL (1) PL3002523T3 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6092377A (en) * 1999-06-01 2000-07-25 Tso; Ming-Li Air cooled two stage condenser for air conditioning and refrigeration system
US8182217B2 (en) * 2007-03-30 2012-05-22 Denso International America, Inc. Mechanical fan sub-shroud attachment feature, molded plastic snap feature
JP5289200B2 (en) * 2009-06-19 2013-09-11 三菱電機株式会社 Air conditioner outdoor unit
JP2015038322A (en) * 2011-12-08 2015-02-26 パナソニック株式会社 Axial blower and outdoor unit for air conditioner using the same

Also Published As

Publication number Publication date
EP3002523A1 (en) 2016-04-06
FR3024212B1 (en) 2016-07-15
FR3024212A1 (en) 2016-01-29
PL3002523T3 (en) 2017-12-29
ES2641543T3 (en) 2017-11-10
DK3002523T3 (en) 2017-10-23

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