EP4224085A1 - Schalung für eine luftbehandlungsanlage - Google Patents

Schalung für eine luftbehandlungsanlage Download PDF

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Publication number
EP4224085A1
EP4224085A1 EP23154825.6A EP23154825A EP4224085A1 EP 4224085 A1 EP4224085 A1 EP 4224085A1 EP 23154825 A EP23154825 A EP 23154825A EP 4224085 A1 EP4224085 A1 EP 4224085A1
Authority
EP
European Patent Office
Prior art keywords
hollow
facade
formwork
facades
lateral
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23154825.6A
Other languages
English (en)
French (fr)
Inventor
Gael ROBIQUET
Mireille LEPROVOST
Jérôme PERREE
Didier Le Borgne
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.)
Hydronic
Original Assignee
Hydronic
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hydronic filed Critical Hydronic
Publication of EP4224085A1 publication Critical patent/EP4224085A1/de
Pending legal-status Critical Current

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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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers

Definitions

  • HVAC heating, ventilation and air conditioning systems
  • the invention relates more particularly to a formwork for an air handling unit forming the main element of such an HVAC system, which formwork conventionally comprises an envelope and an access facade inside the formwork connected to the envelope.
  • Air handling units - or AHUs - are devices that process air by modifying the characteristics of an incoming air flow according to a command.
  • such an air treatment unit can humidify or dehumidify, purify, heat or cool the incoming air.
  • some air handling units can recover calories from incoming air.
  • AHUs function of AHUs is to replace ambient air with purified air, at the ideal humidity level and at the required temperature. It is therefore crucial that drastic hygiene and thermal insulation measures are taken into account when building these AHUs.
  • connection points constitute thermal bridges which must be thermally insulated.
  • the invention relates to a casing for an air handling unit that is simple to manufacture and insensitive to organic contamination.
  • the invention also relates to a casing for an air handling unit that is simple to thermally insulate.
  • the invention also relates to an air treatment unit comprising at least one casing as described previously.
  • HVAC systems include heating or air conditioning units as well as motor units (for example fans) which make it possible to circulate the treated air through ventilation ducts.
  • motor units for example fans
  • the heating and/or air conditioning and ventilation units are housed in a through casing 1 to allow the circulation of the treated air.
  • the formwork 1 forms an air circulation tunnel.
  • the formwork 1 has a quadrilateral shape in section, extends along a longitudinal axis X and comprises an envelope 2 and a side partition 6 for access to the interior of the formwork 1.
  • the envelope 2 comprises a hollow floor 3 forming a lower hollow facade provided to rest on the ground, a hollow ceiling 4 forming an upper hollow facade arranged opposite the lower hollow facade 3, and a lateral hollow 5 connecting the hollow ceiling 4 and the hollow floor 3 via securing means 8 which will be described below.
  • the two upper 4 and lower 3 facades are mutually parallel, while in a second variant embodiment, the two upper 4 and lower 3 facades extend in two secant planes.
  • the ceiling 4 is inclined with respect to the floor 3 of the casing 2, which facilitates the flow of water from the ceiling 4 when the formwork 1 is mounted outside.
  • the lateral access partition 6 is for its part connected to the lower 3 and upper 4 hollow facades and is arranged opposite the lateral hollow facade 5. This lateral access partition 5 will be precisely described later.
  • the lower hollow facade 3 - that is to say the hollow floor - rests on a plurality of beams 30 (three are shown on the figure 1 ) jointly and severally with said lower facade 3, which beams 30 form part of the formwork 1.
  • the hollow floor 3 comprises an outer wall 15 integral with the beams 30 and an inner wall 12 facing the outer wall 15.
  • These two walls 12 , 15, each formed of at least one metal plate, are interconnected and held apart by spacers 18 integral with said inner 12 and outer 15 walls. In order to improve the thermal conductivity between the outer 15 and inner 12 walls, these spacers 18 can be perforated.
  • the upper 4 and side 5 hollow facades each comprise an internal wall 13, 14 and an external wall 16, 17 facing each other, separated and held at a distance by spacers (not shown) integral with said walls 13, 14, of the upper hollow facade 4.
  • the inner wall 13, 14 of each of the upper 4 and side 5 hollow facades comprises a plurality of juxtaposed metal plates assembled together by crimping and clinching their respective end parts.
  • the outer wall 16, 17 of each of the upper 4 and side 5 hollow facades is itself preferably formed of a single metal plate arranged opposite the considered inner wall 13, 14 and is secured to the spacers.
  • this outer wall 16, 17 can be formed from a plurality of juxtaposed metal plates assembled together by crimping and clinching their respective ends.
  • the hollow facades 3, 4, 5 of the envelope are filled with a thermal insulating material (not shown) which extends into the internal volumes of the hollow facades considered 3, 4, 5.
  • the lateral access partition 6 in the formwork 1 comprises a plurality of frames 20 juxtaposed longitudinally and assembled together at their adjacent transverse uprights 25. More specifically, the transverse uprights 25 in contact with two respective adjacent frames 20 are assembled between them. The opposite longitudinal uprights 26 of each frame 20 are secured respectively to the upper hollow facade 4 and to the lower hollow facade 3.
  • Each frame 20 is quadrilateral in shape and preferably square or rectangular in shape, and its uprights 25, 26 are formed by metal sections assembled together by their beveled ends. Furthermore, the uprights 25, 26 of each frame 20 are covered by parts made of material polymer 27. More precisely, one of the faces of each upright 25, 26 is covered by a main body 31 of said part made of polymer material 27. The main bodies 31 of the parts made of respective polymer material 27 come into contact with the upper 4 and lower facades 3 of the envelope 2, so as to seal the junction between the access partition 6 and said upper 4 and lower 3 facades. In addition, the thermal insulation at the junction between the access partition 6 and the hollow facades upper 4 and lower 3 is optimized.
  • Each piece of polymer material 27 further comprises a lip 28 projecting from the main body 31 and which extends along the upright 25, 26 of the frame 20 on its opposite face, and whose function will be described below.
  • the latter are welded together or a molded part 29 covers the end portions of the lips 28 of two adjacent polymer parts 27 at the level of the internal corners of the framework considered 20.
  • the side access partition 6 further comprises removable access panels 7, which are preferably pivotally mounted in the relevant frames 20.
  • these removable panels 7 are also hollow and also include an inner wall and an outer wall connected together and held apart by spacers. These hollow panels 7 are also filled with a thermally insulating material.
  • the fastening means 8 ensure the fastening between on the one hand the upper hollow facade 4 and the lateral hollow facade 5, and on the other hand between the lateral hollow facade 5 and the lower hollow facade 3.
  • the securing means 8 extend over the entire length of the formwork 1 and are formed by one of the end portions 10 of the lateral hollow facade 5 which is fitted into one of the parts of end 9 of the upper hollow facade 4 (shown on the figure 4 ), and/or by the opposite end portion of said lateral hollow facade which is fitted into one of the end portions of the lower hollow facade (not shown on the figure 4 ).
  • the fastening means 8 comprise additional fastening elements 41, for example screws as will be specified below .
  • a longitudinal end portion 22 of the internal wall 13 of the upper hollow facade 4 is connected by interlocking in a longitudinal end portion 21 of the internal wall 14 of the lateral hollow facade 5, said end portions 21, 22 being screwed together to strengthen the connection between them.
  • a first orthogonal fold 33 in the direction of the outer wall 16 of the upper facade 4 is provided in the inner wall 13 of the upper facade 4 so that a portion of inner wall 32 comes to rest against the inner wall 14 of the front side 5.
  • the two inner walls 13, 14 are in contact with each other between this first orthogonal ply 33 and the free end of the inner wall 14 of the side facade 5.
  • the two inner walls 13 and 14 respectively upper 4 and side 5 facades are folded together a first time along a second orthogonal fold 34 oriented towards the outer wall 17 of the side facade 5, then a second and last time according to a third orthogonal fold 35 distant from the second orthogonal fold 34 and towards the lower facade 3.
  • a longitudinal end portion 24 of the outer wall 16 of the upper hollow facade 4 bears against a longitudinal end portion 23 of the outer wall 17 of the lateral hollow facade 5.
  • a first orthogonal fold 37 in direction of the lower facade 3 is provided in the outer wall 16 of the upper facade 4 so that an outer wall portion 42 extends parallel to the outer wall 17 of the side facade 5.
  • the outer wall portion 42 is then folded in the direction of the lateral access partition 6 to form a longitudinal projection 47 against which the outer wall 17 rests.
  • This contact support between said projection 47 and the outer wall 17 is ensured by insulating material (not shown ) housed between the inner 14 and outer 17 walls of the hollow lateral facade 5 and which ensures a pressure force of the outer wall 17 against said longitudinal projection 47.
  • the longitudinal portion 23 of the outer wall 17 is further folded along a third orthogonal fold 39 towards the side access partition 6, then according to a fourth orthogonal fold 40 towards the lower facade 3.
  • the opposite longitudinal end portion of the inner wall 14 of the lateral hollow facade 5 is connected by interlocking then by screwing into a longitudinal end portion of the inner wall 12 of the lower hollow facade 3, while the portion d
  • the opposite longitudinal end of the outer wall 17 of the lateral hollow facade 5 is connected by interlocking in an end portion of the outer wall 15 of the lower hollow facade 3.
  • connection means 8 between two adjacent facades 3 - 5 comprise a longitudinal volume communication opening 11 connecting the internal volumes of the adjacent hollow facades 3 - 5, which volume communication opening 11 extends over the entire length of the formwork 1.
  • the width of this opening is greater than 20 millimeters, and is preferably of the order of 40 millimeters.
  • the interlocking of the external wall 17 of the lateral hollow facade 5 in the external wall 16 of the hollow ceiling 4 is carried out as follows.
  • a plate of insulating material is placed in contact with the inner wall 14 of the lateral hollow facade 5, then the outer wall 17 is fitted between the insulating plate (not shown) and the longitudinal projection 47. Finally, the plate of insulation bears against a second longitudinal projection 48 of the outer wall 17.
  • the interlocking of the external wall 17 of the lateral hollow facade 5 in the external wall 16 of the hollow ceiling 4 is carried out as follows.
  • a longitudinal end portion 48 of the outer wall 17 of the hollow side facade 5 is fitted into the outer wall 15 of the hollow floor 3, then the opposite longitudinal end portion 23 of the outer wall 17 of the hollow side facade 5 abuts in contact against the projection 47 of the outer wall 16 of the hollow ceiling 4.
  • insulating material is housed between the two inner 14 and outer 17 walls of the lateral hollow facade 5.
  • said casing comprises a longitudinal foot 43 extending from the inner wall 12 of the lower facade 3 to the outer wall 15 of said lower facade 3. More specifically, an end portion 44 of the longitudinal foot 43 is secured to the internal wall 12 of the lower facade 3 while the opposite end portion 46 of the longitudinal foot 43 is secured to the external wall 15 of the lower facade 3.
  • the main body 45 of the foot 43 extends in the plane of the internal wall 14 of the lateral facade 5, between the two internal 12 and external 15 walls of the lower facade 3.
  • the main body 45 of the longitudinal foot 43 comprises a plurality of through openings 11' of volume communication 1 connecting the internal volumes of the lower 3 and lateral 5 hollow facades.
  • the fastening means 8 of the invention between the hollow facades 3-5 of the casing 2 therefore have a double advantage.
  • the insulating material included in the envelope 2 passes through the volume communication openings 11, 11 'between the hollow facades 3 - 5, so that there are no thermal bridges at the level of the junction between the hollow facades 3-5 of the envelope 2.
  • the thermal insulation of the formwork 1 is thus optimized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Building Environments (AREA)
EP23154825.6A 2022-02-03 2023-02-03 Schalung für eine luftbehandlungsanlage Pending EP4224085A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2200958A FR3132347B1 (fr) 2022-02-03 2022-02-03 Coffrage pour une centrale de traitement d’air

Publications (1)

Publication Number Publication Date
EP4224085A1 true EP4224085A1 (de) 2023-08-09

Family

ID=81346337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23154825.6A Pending EP4224085A1 (de) 2022-02-03 2023-02-03 Schalung für eine luftbehandlungsanlage

Country Status (2)

Country Link
EP (1) EP4224085A1 (de)
FR (1) FR3132347B1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES377340A1 (es) * 1969-03-11 1972-06-16 Sigma Holding S A Procedimiento de construccion y celula para la puesta en practica del mismo.
JPH062887A (ja) * 1992-06-23 1994-01-11 Sanyo Electric Co Ltd 空気調和機
JP2007271142A (ja) * 2006-03-31 2007-10-18 Kubota Corp 空気調和機
EP2578959A1 (de) * 2010-05-24 2013-04-10 Liu, Yuling Zündsperre
US10590671B1 (en) * 2017-09-26 2020-03-17 U.S. Government As Represented By The Secretary Of The Army Configurable modular shelter system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES377340A1 (es) * 1969-03-11 1972-06-16 Sigma Holding S A Procedimiento de construccion y celula para la puesta en practica del mismo.
JPH062887A (ja) * 1992-06-23 1994-01-11 Sanyo Electric Co Ltd 空気調和機
JP2007271142A (ja) * 2006-03-31 2007-10-18 Kubota Corp 空気調和機
EP2578959A1 (de) * 2010-05-24 2013-04-10 Liu, Yuling Zündsperre
US10590671B1 (en) * 2017-09-26 2020-03-17 U.S. Government As Represented By The Secretary Of The Army Configurable modular shelter system

Also Published As

Publication number Publication date
FR3132347A1 (fr) 2023-08-04
FR3132347B1 (fr) 2024-02-09

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Inventor name: LE BORGNE, DIDIER

Inventor name: PERREE, JEROME

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Inventor name: ROBIQUET, GAEL