EP1795819B1 - Climatiseur - Google Patents

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Publication number
EP1795819B1
EP1795819B1 EP05765087.1A EP05765087A EP1795819B1 EP 1795819 B1 EP1795819 B1 EP 1795819B1 EP 05765087 A EP05765087 A EP 05765087A EP 1795819 B1 EP1795819 B1 EP 1795819B1
Authority
EP
European Patent Office
Prior art keywords
face panel
main body
panel
fixing member
fitting
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.)
Active
Application number
EP05765087.1A
Other languages
German (de)
English (en)
Other versions
EP1795819A4 (fr
EP1795819A1 (fr
Inventor
Seiichi Koga
Nobuhiro Ogura
Mitsuo Kunisada
Yoshinobu Hamada
Jin Yoshida
Morinobu Iijima
Masazumi Makino
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.)
Advanced Air-Conditioning Research and Development Center Co Ltd
Sanyo Electric Co Ltd
Toshiba Carrier Corp
Original Assignee
Advanced Air-Conditioning Research and Development Center Co Ltd
Sanyo Electric Co Ltd
Toshiba Carrier Corp
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 JP2004285684A external-priority patent/JP4658552B2/ja
Priority claimed from JP2004285809A external-priority patent/JP4805561B2/ja
Application filed by Advanced Air-Conditioning Research and Development Center Co Ltd, Sanyo Electric Co Ltd, Toshiba Carrier Corp filed Critical Advanced Air-Conditioning Research and Development Center Co Ltd
Priority to EP09014233.2A priority Critical patent/EP2163831B1/fr
Publication of EP1795819A1 publication Critical patent/EP1795819A1/fr
Publication of EP1795819A4 publication Critical patent/EP1795819A4/fr
Application granted granted Critical
Publication of EP1795819B1 publication Critical patent/EP1795819B1/fr
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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022—Centrifugal or radial fans
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • 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
    • 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
    • F24F13/32—Supports for air-conditioning, air-humidification or ventilation units

Definitions

  • the present invention relates to an air conditioner.
  • an in-ceiling mount type air conditioner that is mounted in the ceiling of a room to be air-conditioned and has a unit main body (the main body of the air conditioner) containing a heat exchanger and an air blower accommodated in a substantially box-shaped housing.
  • a face panel having an air blowing port is secured to the lower surface side of the unit main body by screws (for example. See Patent Document 1).
  • in-ceiling mount type air conditioners in which a duct port is provided on the side surface of the unit main body, and air-conditioned air is blown from the air blowing port through an air blowing duct connected to the duct port.
  • a rotatable disc is disposed in the duct port and the air blowing amount to the air blowing duct is adjustable by the disc (for example, see Patent Document 2).
  • Plastic resin is generally used for the face panel from the viewpoint of beautiful appearance, easiness of molding, strength, etc., and for example polystyrene (PS) resin is used as this type of plastic material.
  • PS polystyrene
  • Polystyrene is excellent in easiness of molding and high in strength.
  • oil component or the like floating in the air adheres to a stress-occurring portion such as a screw-fixing portion or the like, the resin may be deteriorated across the ages by the oil component and the stress.
  • an object of the present invention is to provide an air conditioner that can suppress deterioration of a screw-fixing portion of a face panel.
  • an air conditioner according to claim 1 is provided.
  • the hermetically accommodating portion accommodates therein the portion of the face panel at which stress occurs due to the fixing member and from which the fixing member is exposed, and thus oil components, etc. in the air can be prevented from adhering to the portion at which stress occurs.
  • the face panel may have a face panel main body provided a maintenance opening at the side portion thereof, and a side panel that is detachably secured to the face panel main body to close the maintenance opening, and the hermetically accommodating portion may be provided to the side panel.
  • the hermetically accommodating portion may be provided with a flange portion that is in close contact with the surface of the face panel main body when the portion of the face panel main body which is fixed by the fixing member and the neighborhood thereof are covered by the hermetically accommodating portion.
  • the side panel has a plurality of fitting portions that are fitted to fitting and receiving portions provided to the face panel main body while sliding from the side of the face panel main body, and when the fitting portion are fitted to the fitting and receiving portions, the hermetically accommodating portion is slid under the state that the flange portion abuts against the neighborhood of a portion which is a frame of the face panel and to which the fixing member is fixed, covering the portion fixed by the fixing member and the neighborhood thereof.
  • the face panel is fixed to the unit main body by the fixing member, and there is provided with the hermetically accommodating portion for accommodating the portion of the face panel at which stress occurs due to the fixing member and from which the fixing member is exposed. Therefore, oil components, etc. in the air can be prevented from adhering to the portion at which stress occurs.
  • Fig. 1 is a perspective view showing the construction of an exterior appearance of an in-ceiling mount type air conditioner (hereinafter referred to as "air conditioner") according to a first embodiment.
  • the air conditioner 1 has a unit main body (the main body of the air conditioner) 2, a face panel 3, and a suction grille 4.
  • the unit main body 2 is mounted in the ceiling, and it has a box-shaped main body case 5 formed of steel plate.
  • Two suspending tags 6 are provided to each of both the side surfaces 5a of the main body case 5.
  • the tags 6 are fixed to suspending bolts (not shown) suspended from the ceiling beams.
  • Fig. 2 is a perspective view showing the exterior appearance of the face panel 3 under the state that the suction grille 4 is opened
  • Fig. 3 is an exploded perspective view showing the face panel.
  • the face panel 3 is formed of resin such as polystyrene (PS) or the like, provided to the ceiling face so as to close the ceiling hole and designed in a substantially rectangular shape as shown in Fig. 2 .
  • the face panel 3 is fitted to the unit main body 2 by two temporarily hooking tags 30, and also fixed to the unit main body 2 by screws 80A, 80B (see Fig. 6 ).
  • the face panel 3 is provided with one air suction port 7 for sucking indoor air and one air blowing port 8 for blowing air-conditioned air to a room.
  • the margins of the air suction port 7, the air blowing port 8 and the face panel 3 are surrounded by heat insulating material 31.
  • the suction grille 4 is provided to the air suction port 7 so as to be freely opened/closed.
  • a flap 14 is provided to the air blowing port 8 of the face panel 3 so as to be freely swingable.
  • the flap 14 is provided with two swing shafts 15, and each of the swing shafts 15 is supported by a bearing so as to be freely swingable.
  • a foamed material 17 is provided to the air blowing port 8 to prevent dew condensation under cooling operation.
  • Four maintenance openings 18 are provided to each of both the right and left sides of the face panel 3 so as to adjust the fixing height of the unit main body 2 by accessing the vicinity of the two suspending tags 6 of the unit main body 2, and side covers 19A, 19B covering these maintenance openings 18 are provided to the face panel 3 so as to be freely detachable. The details of the side covers 19A, 19B will be described in detail later.
  • the face panel 3 is further provided with a light receiving portion fixing hole in which a light receiving portion 20 for optically receiving a signal from a wireless remote controller is fitted, etc.
  • Fig. 4 is a perspective view showing the internal construction of the unit main body 2
  • Fig. 5 is a cross-sectional view showing the construction of the unit main body 2 and the face panel 3.
  • Fig. 6 is a plan view showing the air conditioner 1 from which a side cover 19 is detached when viewed from the floor side.
  • the main body case 5 of the unit main body 2 is provided with a partition plate 40, and the main body case 5 is divided into a machine room 41 and a heat exchange room 42 by the partition plate 40.
  • An air blower unit 50 and an electric component box 51 are disposed in the machine room 41.
  • the air suction port 7 of the face panel 3 is provided so as to cover the machine room 41 (see Fig. 6 ), and indoor air is introduced from the air suction port 7 into the main body 2 of the air conditioner by an air blowing operation of the air blower unit 50.
  • the air blower unit 50 is equipped with two centrifugal air blowers 52 disposed so as to be spaced from each other, and a motor 53 that is provided between the centrifugal air blowers 52 and drives the respective centrifugal air blowers 52 by the same shaft.
  • the centrifugal air blower 52 is provided with a multiblade fan on the inner peripheral surface of a cylinder member and rotationally driven with the center axis of the cylinder as a rotating axis by the motor 53, and a casing 55 that accommodates the multiblade fan 54 therein and is designed in a turbinated spiral shape in sectional view.
  • Air suction ports 56 having the size corresponding to the diameter of the multiblade fan 54 are provided at both the sides of the casing 55, and the centrifugal air blowers 52 are disposed in the machine room 41 so that the air suction ports 56 face the sides of the unit main body 2.
  • a ventilation flue 57 having a turbinated spiral shape in sectional view is formed in the casing 55 of the centrifugal air blower 52, and the discharge port (outlet) of the ventilation flue 57 is connected to an air introducing port (see Fig. 5 ) formed in the partition plate 40 through a duct 58.
  • indoor air is sucked from the air suction ports 56 at both the sides of the centrifugal blowers 52 by rotation of the multiblade fan 54 of the centrifugal air blowers 52, and discharged through the ducts 58 and the partition plate 40 to the heat exchange room 42 as indicated by arrows B.
  • a heat exchanger 60, a drain pan 62, etc. are disposed in the heat exchange room 42.
  • Fig. 7 is a perspective view showing the exterior appearance of the back side of the side panel 19A.
  • the side panel 19A is roughly equipped with a main plate portion 90 having a substantially flat-plate shape, and a sub plate portion 91 located at the upper side of the main plate portion 90.
  • the main plate portion 90 is provided with fitting portions 92A, 92B which are fitted to a fitting and receiving portion 81A of the face panel 3, a fitting portion 93 fitted to a fitting and receiving portion 81B of the face panel 3, a fitting portion 94 fitted to a fitting and receiving portion 81C of the face panel 3, a fitting portion 95 fitted to a fitting and receiving portion 81E of the face panel 3, and a fitting portion 96 fitted to a fitting and receiving portion 81F of the face panel 3.
  • the sub plate portion 91 is provided with a fitting portion 97 fitted to the fitting and receiving portion 81D ( Fig. 6 ) of the face panel 3, a fitting portion 98 fitted to the fitting and receiving portion 81G ( Fig. 6 ) of the face panel 3, and a pocket portion 99 for covering the surrounding area of the screw 80B ( Fig. 6 ) for fixing fixes the face panel 3 to the main body 2 of the air conditioner under a substantially hermetical state. Furthermore, the peripheral edge portion of the pocket portion 99 at the face panel 3 side is formed as a flange portion 99A having a projecting shape.
  • the actual fixing of the side panel 19A to the face panel 3 is carried out by moving the side panel 19A in a direction of an arrow D1 (the direction to the face panel 3) shown in Figs. 6 and 7 to inset the side panel 19A at a predetermined position of the face panel 3, and further sliding the side panel 19A in a direction of an arrow D2 while the side panel 19A abuts against the face panel 3.
  • Fig. 8 is a sectional perspective view showing the state that the side panel 19A is secured to the face panel 3. As shown in Fig. 8 , the flange portion 99A of the side panel 19A abuts against a flat-plate type frame portion 3A of the peripheral portion of the screw 80B in the face panel 3, and substantially hermetically covers the screw 80B in cooperation with the wall portion 99B ( Fig. 7 ).
  • the fitting portions 92A, 92B are fitted to the fitting and receiving portion 81A of the face panel 3, the fitting portion 93 is fitted to the fitting and receiving portion 81B of the face panel 3, the fitting portion 94 is fitted to the fitting and receiving portion 81C of the face panel 3, the fitting portion 95 is fitted to the fitting and receiving portion 81E of the face panel 3, and the fitting portion 96 is fitted to the fitting and receiving portion 81F of the face panel 3.
  • the screw 80B for fixing the face unit 3 to the unit main body 2 is substantially hermetically covered by the pocket portion 99 of the side panel 19A,19B. Therefore, oil components floating in the air are prevented from adhering the portion of the face portion 3 to which stress is applied by the screw 80B, and thus the deterioration (crack or the like across the ages) of resin such as polystyrene (PS) constituting the face panel 3 can be suppressed.
  • PS polystyrene
  • the pocket portion 99 is constructed as the hermetically accommodating portion for accommodating the portion exposed to the side panel 19A side of the screw 80B as a fixing member while the portion concerned is substantially hermetically sealed.
  • the head portion of the screw is located in a recess portion, the recess portion concerned is sealed by a lid member so that the lid member is detachable from the recess portion, and the hermetically accommodating portion is constructed by the recess portion and the lid member.
  • the shape of the pocket portion 99 is not limited to the box-shape like this embodiment, but various shapes such as a cylindrical shape, etc. may be applied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Claims (4)

  1. Climatiseur, du type monté au plafond, présentant un corps principal d'unité (2), un panneau frontal (3) en résine qui recouvre le côté de surface inférieure du corps principal d'unité et présente un orifice d'aspiration d'air (7) et un orifice de soufflage d'air (8) formés dans celui-ci, et un panneau latéral (19A, 19B), caractérisé en ce que le panneau frontal est fixé au corps principal d'unité par un organe de fixation (80A, 80B), et le panneau latéral est fixé au panneau frontal et présente une partie formant poche (99) qui recouvre sensiblement hermétiquement une partie exposée de l'organe de fixation au niveau d'une partie du panneau frontal à laquelle une contrainte est appliquée par l'organe de fixation et depuis laquelle l'organe de fixation est exposé.
  2. Climatiseur selon la revendication 1, dans lequel le panneau frontal présente un corps principal de panneau frontal pourvu d'une ouverture de maintenance (18) au niveau de sa partie latérale, et le panneau latéral est fixé de manière détachable au corps principal de panneau frontal de manière à fermer l'ouverture de maintenance.
  3. Climatiseur selon la revendication 2, dans lequel la partie formant poche est pourvue d'une partie de bride (99A) qui est en contact étroit avec la surface du corps principal de panneau frontal lorsque la partie du corps principal de panneau frontal qui est fixée par l'organe de fixation et sa partie avoisinante sont couvertes par la partie formant poche.
  4. Climatiseur selon la revendication 3, dans lequel le panneau latéral présente une pluralité de parties de raccordement (92A, 92B, 93 à 98) qui sont raccordées à des parties de raccordement et de réception (81A à 81G) prévues sur le corps principal de panneau frontal par coulissement depuis le côté du corps principal de panneau frontal, et, lorsque les parties de raccordement sont ajustées aux parties de raccordement et de réception, la partie formant poche est glissée sous l'état dans lequel la partie de bride bute contre la partie avoisinante d'une partie qui est un cadre (3A) du panneau frontal et à laquelle est fixé l'organe de fixation, couvrant la partie fixée par l'organe de fixation et la partie avoisinante de celui-ci.
EP05765087.1A 2004-09-30 2005-06-27 Climatiseur Active EP1795819B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09014233.2A EP2163831B1 (fr) 2004-09-30 2005-06-27 Climatiseur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004285684A JP4658552B2 (ja) 2004-09-30 2004-09-30 天井埋込型空気調和装置
JP2004285809A JP4805561B2 (ja) 2004-09-30 2004-09-30 空気調和装置
PCT/JP2005/011713 WO2006038352A1 (fr) 2004-09-30 2005-06-27 Climatiseur

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP09014233.2A Division EP2163831B1 (fr) 2004-09-30 2005-06-27 Climatiseur
EP09014233.2A Division-Into EP2163831B1 (fr) 2004-09-30 2005-06-27 Climatiseur

Publications (3)

Publication Number Publication Date
EP1795819A1 EP1795819A1 (fr) 2007-06-13
EP1795819A4 EP1795819A4 (fr) 2009-11-11
EP1795819B1 true EP1795819B1 (fr) 2018-11-21

Family

ID=36142437

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05765087.1A Active EP1795819B1 (fr) 2004-09-30 2005-06-27 Climatiseur
EP09014233.2A Active EP2163831B1 (fr) 2004-09-30 2005-06-27 Climatiseur

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09014233.2A Active EP2163831B1 (fr) 2004-09-30 2005-06-27 Climatiseur

Country Status (3)

Country Link
EP (2) EP1795819B1 (fr)
KR (2) KR100881250B1 (fr)
WO (1) WO2006038352A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4325722B2 (ja) 2007-12-17 2009-09-02 ダイキン工業株式会社 空気調和装置の室内ユニット
KR101590632B1 (ko) * 2008-11-10 2016-02-01 엘지전자 주식회사 공기 조화기의 실내기
CN106123263B (zh) * 2016-06-20 2019-06-11 珠海格力电器股份有限公司 吊顶式空调及其出风装置
JP2018091508A (ja) * 2016-11-30 2018-06-14 三菱重工サーマルシステムズ株式会社 外面パネル、空気調和機の室内機、ノックアウト方法、及び空気調和機の室内機の据付方法
US10921019B2 (en) * 2017-03-14 2021-02-16 Mitsubishi Electric Corporation Ceiling concealed air-conditioning apparatus
US20220154971A1 (en) * 2020-11-16 2022-05-19 Martin Sr Lendell Enclosures for air systems, air systems having enclosures, and methods of using enclosures
WO2023187873A1 (fr) * 2022-03-28 2023-10-05 三菱電機株式会社 Climatiseur

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JPH0722344U (ja) * 1993-09-20 1995-04-21 株式会社富士通ゼネラル 空気調和機
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IT249452Y1 (it) * 2000-03-21 2003-05-07 P D R Di Pistillo Ciro & C Snc Struttura di cassetta per l'unita' interna ad incasso di condizionatori d'aria.
JP2002276990A (ja) * 2001-03-23 2002-09-25 Mitsubishi Heavy Ind Ltd 空気調和装置の天井埋込型室内ユニット構造
JP2003172543A (ja) 2001-09-26 2003-06-20 Toto Ltd 空調機
JP3843011B2 (ja) 2001-12-28 2006-11-08 三洋電機株式会社 天井埋込型空気調和装置
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Also Published As

Publication number Publication date
KR100881250B1 (ko) 2009-02-05
KR20080045301A (ko) 2008-05-22
EP1795819A4 (fr) 2009-11-11
WO2006038352A1 (fr) 2006-04-13
KR20070054231A (ko) 2007-05-28
EP2163831B1 (fr) 2018-11-07
EP2163831A1 (fr) 2010-03-17
EP1795819A1 (fr) 2007-06-13

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