EP2977687A1 - Kühl-, klimatisierungs- oder heizsystem mit getrennten einheiten, und gehäuse zur aufnahme einer der einheiten - Google Patents

Kühl-, klimatisierungs- oder heizsystem mit getrennten einheiten, und gehäuse zur aufnahme einer der einheiten Download PDF

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Publication number
EP2977687A1
EP2977687A1 EP15178378.4A EP15178378A EP2977687A1 EP 2977687 A1 EP2977687 A1 EP 2977687A1 EP 15178378 A EP15178378 A EP 15178378A EP 2977687 A1 EP2977687 A1 EP 2977687A1
Authority
EP
European Patent Office
Prior art keywords
air
heat exchange
unit
box
exchange unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15178378.4A
Other languages
English (en)
French (fr)
Other versions
EP2977687B1 (de
Inventor
Hector BRAVO
Jean-Francis Clement
Erwan FONTBONNE
Luc Saisset
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
Original Assignee
Societe Industrielle de Chauffage SIC SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR1457225A external-priority patent/FR3024216B1/fr
Application filed by Societe Industrielle de Chauffage SIC SAS filed Critical Societe Industrielle de Chauffage SIC SAS
Priority to SI201530550T priority Critical patent/SI2977687T1/sl
Priority to PL15178378T priority patent/PL2977687T3/pl
Publication of EP2977687A1 publication Critical patent/EP2977687A1/de
Application granted granted Critical
Publication of EP2977687B1 publication Critical patent/EP2977687B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24F1/36—Drip trays for outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/40—Vibration or noise prevention at outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/60—Arrangement or mounting of the outdoor unit
    • F24F1/62—Wall-mounted
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F24F11/42—Defrosting; Preventing freezing of outdoor units

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 system is of the type with separate heat exchange units in which, on the one hand, the compressor, the expansion device and the first exchanger in which the outside air circulates and, on the other hand, the second heat exchanger are distributed in two separate heat exchange units and at a distance from each other.
  • this type of outdoor unit has an air inlet on a first face and an air outlet on a second face opposite to the first.
  • the implementation of the external unit must comply with certain installation constraints and, in particular, be spaced from the walls or wall by at least 100 mm in order to facilitate the entry of air through its first face opposite the wall.
  • the second opposite face is oriented in the opposite direction of the wall.
  • Such an implementation can seriously affect the aesthetics of the building, which is even more important for a home.
  • the outdoor unit contains a compressor and a fan noise generated by these elements is a nuisance for people in the vicinity and for neighboring homes.
  • the thermal unit By installing the thermal unit in a box that is intended to be placed inside the building, the aesthetics of the building is not in question.
  • the box is generally open on one side and this open side is generally intended to be oriented facing an opening of a building.
  • the heat exchange unit being able to rest on a plate which comprises guiding elements intended to guide said unit in a translation movement between one of the peripheral edges of the plate and a zone of the plate which corresponds to the zone d implantation of the unit in the box.
  • Such a system has the advantage of being able to easily install the heat exchange unit inside the box.
  • the box comprises two opposite peripheral edges, one said before, being located on the open side of the box and the other, said rear, located on the opposite side to the box, and the guide elements can move the heat exchange unit by a translational movement between the rear edge of the box and the area of implantation of the unit in the box.
  • Such a system has the advantage of being able to guide the heat exchange unit for its introduction in the box. It also allows, if necessary, to move the heat exchange unit of its implantation area (toward the rear edge of the box or another edge if the unit has been introduced into the box from this other edge) in a simple way, without disconnecting the connections / refrigerating connections between the refrigerant circuit and the heat exchange unit.
  • the guide elements for moving the heat exchange unit by a simple translational movement the refrigerant connections can remain connected and thus be moved simultaneously with the heat exchange unit according to a given displacement amplitude inside. of the box. The operations can thus be performed without interrupting the operation of the system.
  • the system may further comprise one or more features described above in connection with the system according to the first aspect of the invention and, in particular, the features relating to the air separation means. All the advantages described above in connection with the system according to the first aspect of the invention also apply here.
  • Such a structure may be provided and installed separately from the heat exchange unit and comprises means adapted to cooperate with said unit.
  • the air separation means are more particularly intended to separate, on the one hand, the air entering the box by the open side to supply the air inlet of said unit and, on the other hand, the air coming out from the open side and coming from the outlet of the unit (discharge air).
  • the invention also relates to a building, characterized in that a system as briefly described above is installed in said building, the building comprising a wall delimiting the interior of the building from the outside and in which is arranged an opening communicating the interior and exterior of said building, the box being partially embedded in said opening or disposed against the wall so that the open side of the box is vis-à-vis the opening.
  • the partial embedding of the box in the opening reduces the bulk of the box in the room of the building where it is installed.
  • This embedding also provides a mechanical support function to the box.
  • the air separation means of the system comprise two discharge duct parts nested one inside the other, this interlocking makes it possible to adapt to walls of different thicknesses by more or less penetrating a part into the duct. other.
  • the system as explained above in relation to the two sheath portions nested one inside the other and the inner and outer frames
  • the system as explained above is for example fixed to the wall so that the outer frame is disposed against the outer face of the wall and the inner frame is disposed against the inner face of the wall.
  • 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 room 12 unheated and comprising a compressor, an evaporator, and a detent.
  • 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 (not shown) and a regulating equipment with organs dedicated to the control of the heating system and to the management of climatic comfort of the habitat.
  • the condenser is used to heat the water circulating in the pipes 30 which supply the pipes of the underfloor heating 28.
  • 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).
  • the first heat exchange unit 22 is connected to the second 26 by refrigerating links 32 conveying the heat transfer fluid with state change which is used in the refrigerant circuit.
  • the enclosure 23 comprises, in top 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), 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.
  • the wall 11 of the building is pierced with a through-wall opening 13 which communicates the interior and outside 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 10 (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 allows full benefit of the outside air supply to the building 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 thermal losses.
  • the box 24 also comprises a bottom wall or base 41, for example metal, on which is positioned a plate 42 which will be described later ( figure 9 ).
  • the unit 22 rests on guide elements 44, 46, for example two in number ( figures 5 , 18 and 19 ). 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 ( figure 18 ) on antivibration fixing members 43 of anti-vibratile stud type (also known by the term "silent block” in English terminology) for example four in number, which are fixed to the base 41.
  • 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 from the outlet 40 of the unit 22 and away from it.
  • the longitudinal axis is considered as the axis that extends between the outlet air outlet of the heat exchange unit and the open side of the box, perpendicularly, on the one hand, to the face of the heat exchange unit in which is arranged the air outlet and, on the other hand, the open side of the box.
  • the means 70 comprise two distinct parts which are nestable one inside the other along a length of interlocking or penetration more or less large so as to vary the total length (extension along the longitudinal axis X) of the two em parties.
  • 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 10 .
  • 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 10 .
  • the unit 22 is positioned inside the box, against the base 74, so that the air outlet outlet opening 40 of the unit is opposite the internal passage section of the unit. the male sheath portion 72.
  • the unit 22, however, remains distinct and independent of the base and the male sheath portion 72.
  • a seal 84 is interposed between the base 74 and the zone of the wall 23d of the unit 22 which surrounds the opening 40 ( figure 13 ).
  • 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 12 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 10 ) 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 10 and 12 ).
  • 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 10 and 12 ).
  • the plate 92 thus makes it possible to separate, on the one hand, the air A3 discharged by the outlet 40 of the heat exchange unit 22 and channeled by the discharge sheath, the two parts 72 and 90 of which are fitted together. in the other (as on the figure 8 ) to its open end 90b and, on the other hand, the outside air entering through the opening 13 of 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 8 ).
  • 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 to through this one.
  • This grid also provides the functions of aesthetic dressing of the opening 13 wall, prohibition of passage to people and animals and protection vis-à-vis 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. 10 and 12 ).
  • 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.
  • the two sheath portions 72 and 90 were nested one inside the other (as on the figure 8 ) 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. 11 ) 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 main 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 13 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 attached to the inner frame 79 and the box 24 which encloses the heat exchange unit 22.
  • FIGs 14a and 14b 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 (ex: 150 mm) for a wall of thick 11b (ex: 360 mm).
  • the frame 94 is mounted flush with respect to the wall 11a and the horizontal flange 97a secured to the frame and which rests 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 flanges 97a and 97b are drips that allow the rainwater to be discharged (as well as the liquid condensates following an obstruction of the condensate pan of the figure 9 which will be described later) without causing drips on the walls.
  • telescopic air separation means that have just been described can also be applied to other types of cooling systems, air conditioning or heating a building such as "monoblock" systems in which all components of the refrigerant circuit (evaporator, compressor, condenser and expansion element) are all housed in the same box or box. This makes it possible to adapt to thicknesses of different walls or walls and to position the box or box as close as possible to the wall (reduced space in the room where the box or cabinet is installed).
  • the figure 15 illustrates an alternative embodiment in which the box 24 rests on a box support 50 and is disposed against the wall 11 with the open face 24e of the box facing the opening 13.
  • the box is no longer partially embedded in the opening.
  • the support 50 comprises an upper frame 52 mounted on four legs 54, 56, 58, 60 which are two by two reinforced by transverse bars at the bottom and at mid-height.
  • Each foot comprises two elongate parts such as the portions 56a, 56b of the foot 56, which are movable relative to each other by sliding along their length.
  • Each part has several orifices arranged one above the other, which are correspond two by two between the two respective parts at the desired height.
  • Locking members are inserted into two orifices corresponding to the two respective parts for locking in translation of the two parts to the desired height.
  • each leg of the support 50 form means for adjusting the height of the box which make it possible to adapt this height to that of the lower part of the wall opening 13.
  • the upper frame 52 comprises on its two opposite lateral sides two parallel elongate guide elements (only one referenced 52a is shown) which each form a flange.
  • These guide elements guide the box 24 on the upper frame 52 to its final installed position.
  • the plate 42 on which is implanted the first heat exchange unit 22 forms a liquid condensate recovery tank generated by said heat exchanger 32.
  • a channel 110 is hollowed out in the thickness of the plate and extends longitudinally in a form substantially corresponding to the general shape of the exchanger 32 projected on the plate (in top view).
  • the channel has a general L shape in top view.
  • this shape can be adapted to that of the exchanger 32.
  • this channel 110 is inclined (in the longitudinal direction of extension of the channel) so as to direct gravity liquid condensates collected by the channel to a through opening 112 of condensate discharge which is practiced in the bottom of the laugh at one end of it (see vertical axial section of the figure 16 ; in this figure only the main elements of the system have been represented, the other elements have not been represented for the sake of clarity).
  • a discharge tube 113 may be inserted into the through opening 112 to guide the flow of liquid condensates downward below the plate 42.
  • the plate 42 has an upper face 42a which is also arranged sloping towards the channel 110 (in a direction transverse to the longitudinal direction of extension of the channel) to facilitate the flow of condensate (see the vertical cross section of the figure 17 ).
  • the channel 110 thus forms a recess in the thickness of the plate 42 and which has at the bottom a central groove 114. This groove 114 is hollowed in the bottom of the channel 110 so as to constitute the lowest point thereof. .
  • the channel 110 is delimited by two lateral faces 110a, 110b which extend from the upper face 42a inclined towards the bottom. As shown on the figure 17 , the two faces 110a, 110b are inclined, each forming a double slope, namely a first slope formed by a first inclined section P1 and a second slope softer than the first, formed by a second inclined section P2, to join the groove 114. Alternatively, the two lateral faces 110a, 110b join the central groove 114 forming a rounded (without breaking angle between two consecutive inclined faces).
  • the channel 110 comprises a first portion 110c corresponding to the longest of the two branches of the L which extends from the opening 112 located at a first edge 42b of the plate to the end of the second branch 110d (second part of channel) of L.
  • the second channel part 110d or second branch forms a bend from the end of the first part 110c and extends to a second edge 42c of the plate adjacent to the first edge 42b.
  • a heating element 120 is disposed inside the central groove 114 of the trough ( Figs. 16 and 17 ) and extends along almost the entire length of the channel.
  • This elongated heating element 120 is for example a heating wire.
  • a strip of heat sink material 122 such as a metal strip, for example aluminum, is placed at the bottom of the channel, over the groove 114 housing the heating element 120 (on the figures 9 , 16 , 18 and 19 the band 122 is not shown for the sake of clarity) over all or part of the width of the channel.
  • This band 122 which is highly conductive thermal quickly dissipates the heat produced by the heating element it covers when it is activated and generates heat.
  • heating element 120 at the bottom of the groove 114 which is arranged at a lower dimension than the bottom of the channel and covering the upper opening of the groove by the band 122 ensures that liquid condensates will not stagnate around the heating element. A stagnation phenomenon could occur if the heating element was directly arranged on the flat or inclined bottom of the channel, in its most concave part.
  • the heating wire dissipates 50 W / m and the strip has a width of 50 mm and a thickness of less than 2 mm and, preferably, less than 1 mm, and for example equal to 0.3 mm. .
  • the thickness is chosen as low as possible in order to minimize the thermal capacity of the strip.
  • the plate 42 for its part, is made of a material with low thermal conductivity, which makes it possible to promote the evacuation of the heat generated by the heating element on the side of the dissipative band 122.
  • the material constituting the plate is, for example, polystyrene, more particularly, film-coated type, or even another sealed cellular plastic material, with low thermal effusivity ( ⁇ 100 Jm -2 .K -1 .s -1/2 ) and adapted to this use.
  • the metal strip is made of a material having a coefficient of thermal conductivity greater than or equal to 10 W / m ° C., while the material of the plate has a coefficient of thermal conductivity of less than 0.1. W / m. ° C.
  • the width along which the band of heat sink material 122 extends may vary depending on its thickness.
  • the objective being to minimize the thermal capacity of the band and therefore its volume, a very thin band (less than 0.5 mm) can easily cover the whole width of the channel (greater than 100 mm wide) without there is too much impact on energy consumption.
  • the enclosure 23 enclosing the heat exchange unit 22 comprises a base 23e which is pierced with a plurality of through orifices 124 arranged at the base of the first channel portion 110c and under the exchanger 32.
  • the base 23e may have only one orifice in line with the channel or a small number of orifices relative to that illustrated in the figures.
  • two indentations 42d, 42e parallel to each other and perpendicularly crossing the portion 110c of the trough, are arranged in the thickness of the plate 42. These indentations accommodate the respective guide rails 44, 46 of the unit 22 ( Fig. 19 ).
  • the figure 18 illustrates a perspective view of the plate 42 on the edge side 42c.
  • the two rails 44, 46 extend within the two respective indentations 42e and 42d and each have two free ends curved so as to engage the respective opposite recesses of each imprint.
  • At the bottom of each cavity one of the abovementioned damping members 43 is disposed and the corresponding curved free end of the rail is mounted on this member.
  • On the figure 18 only two members 43 are respectively represented at the bottom of the cavities 42d2 and 42e2 and the curved ends 44a and 46a of the rails 44 and 46 are respectively fixed on the corresponding members.
  • the figure 19 illustrates the enclosure 23 of the unit 22 positioned on the rails 44 and 46 by means of mounting feet of which only two, 126 and 128, are shown.
  • the enclosure of the figure 4 is in the position of implantation of the enclosure of the figure 19 .
  • the enclosure was put in place by sliding the feet to the upper part of the rails, along them to the stop position in abutment.
  • an overflow device 130 ( figures 8 and 18 ) is arranged on the plate 42 and communicates with the channel 110 so as to evacuate an excess of liquid condensates from the channel (in the case where the opening 112 is no longer sufficient for evacuation).
  • a device comprises a channel 132 which extends transversely to the channel from the area of the channel which is close to the opening 112 and towards an edge of the plate, for example, the edge 42c. The channel is dug from the upper face 42a of the plate.
  • This device 130 discharges an overflow of liquid through the opening 13 and thus outside the building.
  • the figure 20 illustrates the principle of a system for managing the recovery and evacuation of condensates from an exchanger such as the evaporator 32.
  • the system comprises the heating wire 120 which has an electrical resistance and forms an electrical circuit (connected to a phase and neutral) open in two places of the circuit: a first place where is located a thermostat 140 inside the box 24 ( in the room 12) and a second location where a contactor 142 is located in the second heat exchange unit 26 (in the room 14). Note that the thermostat 140 is located in the portion 110d of the channel, adjacent to the edge 42c of the plate.
  • the heating wire forms a loop inside the heating element casing at the thermostat 140.
  • the heating wire 120 is electrically powered by the same energy source as used for the unit 22.
  • the thermostat 140 and the switch 142 are connected in series in the circuit so that the electric current can flow through the electrical resistance of the heating wire only if both of these elements are closed.
  • the switch 142 is connected to an electronic card 144 which controls the control portion of the heat pump system.
  • the electronic card 144 relays the defrosting information produced in known manner and for example automatic by inverting the cycle of the evaporator 32 of the first unit 22.
  • the thermostat 140 measures the temperature of the medium air in which the tank 42 is located (especially where the air is in contact with the tank) and compares it with a set value which is adjusted. so that the thermostat switch closes when the measured air temperature is low enough to risk condensate freezing in the tank.
  • the set temperature is chosen so as to be close to the solidification temperature of the condensates. Such a set temperature is for example less than 5 ° C.
  • the electrical circuit of the figure 20 is closed. This allows the establishment of an electric current in the heating wire 120 and thus the generation of heat in the central groove 114 and in the bottom of the channel through the dissipating band 122.
  • the condensates that fall into liquid form in the channel (following the defrosting of the exchanger) and are in contact with the band 122 dissipating the heat generated by the heating element 120 are thus maintained at a temperature sufficient to avoid any risk of freezing condensate.
  • the temperature must be sufficient so that the condensates remain in liquid form and can thus be removed by drainage (economically) but it must not be too high so as not to consume energy unnecessarily.
  • the liquid condensates collected in the channel are evacuated gravity by flowing along it to the opening 112 passing through the plate 42.
  • the operation of the heating element is controlled, on the one hand, the defrosting of the heat exchanger 32 and, on the other hand, the temperature of the air surrounding the heating element.
  • the heated zone has a relatively small area compared to the entire surface of the plate 42.
  • This localized heating (due in particular to the use of a heating wire) also contributes to reducing the consumption of electrical energy. compared to a situation where almost all of the area of the plate 42 condensate recovery would be heated.
  • the transverse profile of the channel, its width, its longitudinal extension shape, the shape of the central groove may vary depending on the needs and application, particularly depending on the layout and shape of the exchangers from which it is appropriate to recover and evacuate the liquid condensates.
  • the number of channels that are able to be heated can also vary and, for example, the number of heating elements (one per channel).
  • the system may comprise more than one through opening 112 according to the needs and / or the configuration of the exchanger (s) and the tray.
  • certain elements of the aforementioned circuit may be arranged elsewhere than in the second heat exchange unit 26 or in the vicinity of the latter and, for example, in the first heat exchange unit 22 or near the latter.
  • certain elements of the aforementioned circuit may be arranged elsewhere than in the second heat exchange unit 26 or in the vicinity of the latter and, for example, in the first heat exchange unit 22 or near the latter.
  • This aspect can indeed be applied to any cooling system, air conditioning or heating having a device (ex: tray) condensate recovery and heating element (s) of the device.
  • the figure 21 illustrates an alternative embodiment of the system of Figures 5, 6 , 13 and 15 in which the heat exchange unit 22 rests on the plate 42 comprising guide elements 44 and 46. These guide elements make it possible to move the heat exchange unit 22 by a translation movement between the rear edge 150 of the heat exchange unit 22. box and the area where the unit is located in the box.
  • An opening 152 extends parallel to the guide elements and therefore to the translation (sliding) direction of the unit 22.
  • the opening is enlarged relative to the opening of the preceding figures and has a generally elongated shape, for example rectangular.
  • a plate or cover 156 closes the opening so that the box is sealed against on the inside of the building.
  • Such a system has the advantage of being able to guide the heat exchange unit for its introduction in the box.
  • This system also makes it possible to move the heat exchange unit from its implantation zone to the edge of the box through which the unit has been introduced into the box in a simple manner, without disconnecting the refrigerant connections 154 connected to the box. heat exchange unit 22.
  • the opening 152 formed in the ceiling of the box 24f allows the crossing of the refrigerant connections 154 and their translation in the opening simultaneously with the translational movement of the heat exchange unit, whatever the meaning of this movement.
  • the opening 152 can also be used to set up the refrigerant connections of the refrigerant circuit (to which the heat exchange unit 26 is connected) and connect them to the heat exchange unit 22 once the latter has been introduced into the box 24 but not yet installed in its final position (implantation area).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Air Conditioning (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Building Environments (AREA)
EP15178378.4A 2014-07-25 2015-07-24 Kühl-, klimatisierungs- oder heizsystem mit getrennten einheiten, und gehäuse mit einer der einheiten Active EP2977687B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201530550T SI2977687T1 (sl) 2014-07-25 2015-07-24 Sistem za hlajenje, klimatiziranje ali ogrevanje z ločenimi enotami in ohišje, ki obdaja eno izmed enot
PL15178378T PL2977687T3 (pl) 2014-07-25 2015-07-24 System chłodzenia, klimatyzacji lub ogrzewania w oddzielnych jednostkach i obudowa zawierająca jedną z tych jednostek

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1457225A FR3024216B1 (fr) 2014-07-25 2014-07-25 Systeme de rafraichissement, climatisation ou chauffage a unites separees et caisson renfermant l'une des unites

Publications (2)

Publication Number Publication Date
EP2977687A1 true EP2977687A1 (de) 2016-01-27
EP2977687B1 EP2977687B1 (de) 2018-10-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15178378.4A Active EP2977687B1 (de) 2014-07-25 2015-07-24 Kühl-, klimatisierungs- oder heizsystem mit getrennten einheiten, und gehäuse mit einer der einheiten

Country Status (6)

Country Link
EP (1) EP2977687B1 (de)
DK (1) DK2977687T3 (de)
ES (1) ES2705348T3 (de)
FR (1) FR3048763B1 (de)
PL (1) PL2977687T3 (de)
SI (1) SI2977687T1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112629005A (zh) * 2020-12-10 2021-04-09 安徽美博智能科技有限公司 一种共享空调的快速安装结构

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10801740B2 (en) * 2018-08-31 2020-10-13 Gree Electric Appliances, Inc. Of Zhuhai Embedded type air conditioner outdoor unit and an air conditioner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004094918A1 (en) * 2003-04-23 2004-11-04 Lg Electronics, Inc. Built-in type outdoor unit for air conditioner
EP2314937A2 (de) * 2009-10-16 2011-04-27 LG ELectronics INC. Klimaanlage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004094918A1 (en) * 2003-04-23 2004-11-04 Lg Electronics, Inc. Built-in type outdoor unit for air conditioner
EP2314937A2 (de) * 2009-10-16 2011-04-27 LG ELectronics INC. Klimaanlage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112629005A (zh) * 2020-12-10 2021-04-09 安徽美博智能科技有限公司 一种共享空调的快速安装结构

Also Published As

Publication number Publication date
FR3048763B1 (fr) 2019-06-21
SI2977687T1 (sl) 2019-05-31
PL2977687T3 (pl) 2019-07-31
FR3048763A1 (fr) 2017-09-15
ES2705348T3 (es) 2019-03-22
EP2977687B1 (de) 2018-10-24
DK2977687T3 (en) 2019-02-04

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