WO2007088962A1 - Climatiseur - Google Patents

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Publication number
WO2007088962A1
WO2007088962A1 PCT/JP2007/051774 JP2007051774W WO2007088962A1 WO 2007088962 A1 WO2007088962 A1 WO 2007088962A1 JP 2007051774 W JP2007051774 W JP 2007051774W WO 2007088962 A1 WO2007088962 A1 WO 2007088962A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrical component
component box
mounting member
casing
heat exchanger
Prior art date
Application number
PCT/JP2007/051774
Other languages
English (en)
Japanese (ja)
Inventor
Akihiko Sakashita
Naoyuki Ohta
Original Assignee
Daikin Industries, Ltd.
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 Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Publication of WO2007088962A1 publication Critical patent/WO2007088962A1/fr

Links

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
    • F24F1/0018—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
    • F24F1/0043—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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F1/0068—Indoor units, e.g. fan coil units characterised by the arrangement of refrigerant piping outside the heat exchanger within the unit casing
    • 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
    • F24F2013/207—Casings or covers with control knobs; Mounting controlling members or control units therein

Definitions

  • the present invention relates to a ceiling-embedded air conditioner that can easily secure an earth path of an electrical component box.
  • an air conditioner main body is disposed above an opening formed in the ceiling, and the decorative panel covers the opening with respect to the air conditioner main body. It is configured with an attached.
  • an electrical component box such as a switch box is easily maintained from the air inlet in the decorative panel so that the heat exchange is performed in the air conditioner main body. It is often attached to the drain pan mounting bracket located under ⁇ .
  • the present inventor provided a partition plate for connecting the tube plates attached to both open ends of the heat exchanger ⁇ , and placed the casing top plate and the electrical component box on the upper and lower ends of the partition plate. Screws were fixed (see Patent Document 1). With such a configuration, it is possible to secure a ground path from the electrical component box to the casing top plate through the partition plate, so that it is not necessary to route the ground wire.
  • Patent Document 1 Japanese Patent No. 2956675
  • the ground wire is not preferable because the ground wire hangs down from the electrical component box or the number of parts increases.
  • the present invention has been made in view of efforts, and an object of the present invention is to make it possible to easily secure a ground path of an electrical component box.
  • the heat exchanger (8) is replaced with the top plate of the casing (10).
  • the electrical component box (16) is electrically connected to the mounting member (15) attached to (11a).
  • the first invention includes a substantially annular heat exchanger (8) disposed in the casing (10), one end portion on the top plate (11a) of the casing (10), and the other end. Attaching the heat exchanger (8) to the top plate (1 la) of the casing (10) and connecting the heat exchanger (8) to the heat exchanger (8), and the heat exchanger A blower (F) disposed in the center of (8) and sucking indoor air and blowing it out to the heat exchanger (8), and a bell mouth (20) disposed on the suction and suction side of the blower (F) ) And an electrical component box (16) attached to the bell mouth (20).
  • a connection portion (15d) formed on the other end portion side of the attachment member (15) is connected to the electrical component box (16).
  • the electrical component box (16) force and the mounting of the electrical component box (16) that constitutes a ground path to the top plate (11a) of the casing (10) via the mounting member (15)
  • the member (15) and the top plate (11a) of the casing (10) are each made of a conductive material at least at a portion that becomes the ground path.
  • At least a portion serving as a ground path in the top plate (11a), the mounting member (15), and the electrical component box (16) of the casing (10) is made of a conductive material.
  • the electrical component box (16) is connected to a connection portion (15d) formed on the other end side of the mounting member (15).
  • the electrical component box (16) is attached to the top of the casing (10) via the mounting member (15). It is electrically connected to the plate (11a), and the ground path of the electrical component box (16) can be secured without separately providing a ground wire.
  • the electrical component box (16) is attached to the bell mouth (20), the electrical component box (16) and the casing can be attached by attaching the electrical component box (16) with the mounting member (15).
  • the bell mouth (20) and the drain pan (22) disposed between the top plate (10a) of (10) are supported by the top plate (11a) of the casing (10) via the mounting member (15). As a result, the strength of the product can be improved.
  • a storage recess (20a) for storing the electrical component box (16) is formed on the lower surface of the bell mouth (20), and the storage recess ( An opening (20b) that faces the connecting portion (15d) of the mounting member (15) is formed on the top surface of 20a).
  • the opening (20b) is formed in a tapered shape in which the opening width on the inlet side for inserting the connecting portion (15d) is gradually narrowed toward the back side.
  • the entrance side is gradually applied to the top side of the storage recess (20a) formed in the bell mouth (20) for storing the electrical component box (16), and gradually moved toward the back side.
  • a tapered opening (20b) is formed which becomes narrower. For this reason, when the connecting portion (15d) for connecting the connecting portion (15d) of the mounting member (15) to the electrical component box (16) is inserted into the opening (20b), the taper of the opening (20b) is reduced.
  • the shape serves as a guide, and the connection portion (15d) of the mounting member (15) can be moved to the connection position of the electrical component box ( 16 ), thereby improving the assembly work efficiency.
  • a positioning projection (15e) is provided on the connection portion (15d) of the mounting member (15), and the positioning projection ( A positioning hole (16a) that fits with 15e) is formed.
  • a positioning projection (15e) is provided on the connection portion (15d) of the mounting member (15), and the positioning projection ( A positioning hole (16a) that fits with 15e) is formed.
  • a positioning projection (15e) is provided in the connection portion (15d) of the attachment member (15), and the positioning hole (16a) fitted with the positioning projection (15e) Is formed in the electrical component box (16).
  • the electrical component box (16) is electrically connected to the top plate (11a) of the casing (10) via the mounting member (15).
  • the electrical component box (16) is attached to the bell mouth (20)
  • the electrical component box (16) and the casing (16) can be mounted by attaching the electrical component box (16) with the mounting member (15).
  • the bell mouth (20) and the drain pan (22) arranged between the top plate (10a) of 10) are supported by the top plate (11a) of the casing (10) via the mounting member (15).
  • the strength of the product can be improved.
  • the connecting portion (15d) when the connecting portion (15d) is inserted into the opening (20b) so as to connect the connecting portion (15d) of the mounting member (15) to the electrical component box (16).
  • the tapered shape of the opening (20b) serves as a guide, and the connecting portion (15d) of the mounting member (15) can be moved to the connecting position of the electrical component box (16), improving the assembly work efficiency.
  • connection portion (15d) of the attachment member (15) and the electrical component box (16) when the connection portion (15d) of the attachment member (15) and the electrical component box (16) are connected, the relative positions of both members are restricted.
  • connection part (15d) of the attachment member (15) can be securely attached to the connection position of the electrical component box (16), and the assembly work efficiency is improved.
  • FIG. 1 is a cross-sectional view showing a configuration of an air conditioner according to an embodiment of the present invention.
  • FIG. 2 is a perspective view showing a configuration of an attachment member.
  • FIG. 3 is a perspective view showing a configuration of an opening of a bell mouth.
  • FIG. 4 is a diagram for explaining the connection between the mounting member and the electrical component box.
  • FIG. 1 is a diagram showing a configuration of a ceiling-embedded air conditioner according to an embodiment of the present invention.
  • This air conditioner has a casing (10) that houses various components therein.
  • the casing (10) includes a casing body (11) and a decorative panel (12) disposed on the lower side of the casing body (11).
  • the casing body (11) has a substantially rectangular shape when the lower surface is viewed downward (four corners are chamfered, and an approximately octagonal shape in which long and short sides are alternately formed.
  • the ceiling wall (C) via a fixing bracket (not shown) so that the opening faces the opening formed in the ceiling wall (C) of the air-conditioning room. ).
  • the decorative panel (12) is fixed to the lower end of the casing body (11) so as to cover the opening of the casing body (11) and the opening of the ceiling wall (C).
  • the decorative panel (12) is a substantially rectangular plate-like body also viewed from below, and is provided at the substantially central portion of the decorative panel (12) and sucks air in the air-conditioned room, and the decorative panel.
  • the peripheral edge of (12) has four outlets (3) that are arranged so as to correspond to the four sides, respectively, and that blows air out of the casing body (11) into the air conditioning room.
  • the suction port (2) is a substantially square-shaped opening, and each air outlet (3) is a substantially rectangular opening that is elongated along each side.
  • the suction port (2) has a suction grill (4) and air in the air sucked from the suction port (2).
  • a filter (5) for removing dust is provided.
  • Each of the air outlets (3) is provided with a flap (6) that is swung around an axis extending in the longitudinal direction of the air outlet (3) by a motor (not shown). By swinging the flap (6), the direction of the air blown out from the air outlet (3) into the air conditioned room becomes variable.
  • centrifugal functioning as a blower that mainly sucks air in the air-conditioned room into the casing main body (11) through the suction port (2) and blows it out in the outer peripheral direction.
  • a fan (F) and a substantially annular heat exchanger (8) arranged so as to surround the outer periphery of the centrifugal fan (F) are provided.
  • the mounting member (15) includes a base (15a), a mounting piece (15b) formed by bending the top plate (11a) side (one end side) of the casing (10) of the base (15a), And a support portion (15c) formed by bending the other end side into a concave shape so as to fit and support the lower portion of the heat exchanger (8).
  • a plurality of the mounting members (15) are arranged at intervals along the circumferential direction of the heat exchanger (8), and the mounting pieces (15b) are attached to the top plate (11a) of the casing (10). On the other hand, the downward force is also fixed by screws (17). By holding the heat exchanger (8) by the support portion (15c), the weight of the heat exchanger (8) is distributed and supported in a balanced manner among the plurality of mounting members (15).
  • one of the plurality of mounting members (15) is electrically connected to an electrical component box (16) such as a switch box to form a base ( 15a) has a connecting portion (15d) that is branched and extended from the middle, and is formed by bending the tip portion.
  • a positioning projection (15e) extending toward the electrical component box (16) is formed on the connection portion (15d).
  • the positioning protrusion (15e) is chamfered in order to improve access to a positioning hole (16a) of an electrical component box (16) described later.
  • the top plate (11a), the mounting member (15), and the electrical component box (16) of the casing (10) are each made of a conductive material.
  • the mounting member (15), and the electrical component box (16) of the casing (10) at least only the portion serving as the ground path may be made of a conductive material. ,.
  • the heat exchanger (8) is formed by being bent so as to surround the outer periphery of the centrifugal fan (F). This is a loss fin tube type heat exchanger, and is connected to an outdoor unit (not shown) installed outdoors through a refrigerant pipe. This heat exchanger (8) functions as an evaporator for the refrigerant flowing inside during the cooling operation, and functions as a condenser for the refrigerant flowing inside during the heating operation.
  • the heat exchanger (8) exchanges heat with the air sucked into the casing body (11) through the suction port (2) and blown out from the fan rotor (7) of the centrifugal fan (F).
  • the air is cooled during the cooling operation, and the air is heated during the heating operation.
  • a drain pan (22) for receiving condensed water generated by condensation of moisture in the air in the heat exchanger (8) is disposed below the heat exchanger (8).
  • a bell mouth (20) for guiding the air sucked from the suction port (2) into the casing (10) is disposed on the suction port (2) side of the centrifugal fan (F).
  • a storage recess (20a) for storing the electrical component box (16) is formed on the lower surface of the bell mouth (20), and the electrical component box (16) is attached to the storage recess (20a).
  • An opening (20b) facing the connection portion (15d) of the mounting member (15) is formed on the top surface of the storage recess (20a), and the electrical component box (16) is stored in the storage recess
  • the positioning hole (16a) that fits with the positioning projection of the mounting member (15) formed in the electrical component box when attached to the electrical component box can be faced from the upper surface of the bell mouth (20)! / RU
  • the opening (20b) of the bell mouth (20) has a substantially rectangular parallelepiped shape, and the opening on the inlet side into which the connecting portion (15d) of the mounting member (15) is inserted. It is formed in a taper shape whose width gradually decreases toward the back side. Further, a seal member (23) for sealing a gap with the drain pan (22) is attached to a contact position with the drain pan (22) on the upper surface side of the bell mouth (20).
  • the connecting portion (15d) of the mounting member (15) is connected to the bell mouth as shown in FIG.
  • the positioning protrusion (15e) of the connecting part (15d) is appropriately adjusted along the tapered shape of the opening (20b). It is fitted into the positioning hole (16a) of the box (16), and finally the connecting part (15d) and the electrical component box (16) come into contact with each other.
  • the mounting member (15) The electrical component box (16) is connected.
  • the electrical component box (16) When the mounting member (15) is connected to the electrical component box (16), the electrical component box (16) is disposed between the electrical component box (16) and the top plate (1 la) of the casing (10).
  • the mounting member (15) supports the bell mouth (20) and the drain pan (22) together, improving the product strength.
  • an opening (20b) is formed on the top surface of the housing recess (20a) formed in the bell mouth (20) so that the connection portion (15d) of the mounting member (15) faces.
  • the present invention provides a highly practical effect that the ground path of the electrical component box can be easily secured, and thus is extremely useful and has high industrial applicability.

Landscapes

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

Abstract

Une plaque supérieure (11a) d'un boîtier (10), un élément d'installation (15) et une boîte pour un équipement électrique sont constitués d'un matériau conducteur. Une extrémité de l'élément d'installation (15) est connectée à la plaque supérieure (11a) du boîtier (10) et la boîte (16) pour l'équipement électrique est connectée à une section de connexion (15d) formée sur l'autre extrémité de l'élément d'installation (15).
PCT/JP2007/051774 2006-02-03 2007-02-02 Climatiseur WO2007088962A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006026562A JP4023505B2 (ja) 2006-02-03 2006-02-03 空気調和装置
JP2006-026562 2006-02-03

Publications (1)

Publication Number Publication Date
WO2007088962A1 true WO2007088962A1 (fr) 2007-08-09

Family

ID=38327530

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/051774 WO2007088962A1 (fr) 2006-02-03 2007-02-02 Climatiseur

Country Status (2)

Country Link
JP (1) JP4023505B2 (fr)
WO (1) WO2007088962A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2299191A2 (fr) * 2009-09-10 2011-03-23 LG Electronics Inc. Unité d'intérieur pour climatiseur

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5356040B2 (ja) * 2009-01-08 2013-12-04 三洋電機株式会社 天井埋込型空気調和装置
JP5720600B2 (ja) * 2012-02-10 2015-05-20 ダイキン工業株式会社 室内機
JP6238759B2 (ja) * 2014-01-15 2017-11-29 三菱電機株式会社 電気品箱および空気調和機の室内機
KR102101658B1 (ko) * 2018-07-05 2020-04-17 엘지전자 주식회사 천장형 공기조화기
KR102205166B1 (ko) * 2018-11-06 2021-01-19 엘지전자 주식회사 공기조화기의 실내기

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03119911U (fr) * 1990-03-22 1991-12-10
JPH04292723A (ja) * 1991-03-19 1992-10-16 Daikin Ind Ltd 天井吊下式空気調和装置の取付補助治具
JP2956675B2 (ja) * 1998-01-16 1999-10-04 ダイキン工業株式会社 空気調和機
JP2005195103A (ja) * 2004-01-08 2005-07-21 Nippon Densan Corp シール装置及びその製造方法、並びにそれを用いたスピンドルモータ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03119911U (fr) * 1990-03-22 1991-12-10
JPH04292723A (ja) * 1991-03-19 1992-10-16 Daikin Ind Ltd 天井吊下式空気調和装置の取付補助治具
JP2956675B2 (ja) * 1998-01-16 1999-10-04 ダイキン工業株式会社 空気調和機
JP2005195103A (ja) * 2004-01-08 2005-07-21 Nippon Densan Corp シール装置及びその製造方法、並びにそれを用いたスピンドルモータ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2299191A2 (fr) * 2009-09-10 2011-03-23 LG Electronics Inc. Unité d'intérieur pour climatiseur
EP2299191A3 (fr) * 2009-09-10 2012-05-02 LG Electronics Inc. Unité d'intérieur pour climatiseur

Also Published As

Publication number Publication date
JP4023505B2 (ja) 2007-12-19
JP2007205659A (ja) 2007-08-16

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