WO2023063229A1 - Unité intérieure suspendue au plafond - Google Patents

Unité intérieure suspendue au plafond Download PDF

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Publication number
WO2023063229A1
WO2023063229A1 PCT/JP2022/037523 JP2022037523W WO2023063229A1 WO 2023063229 A1 WO2023063229 A1 WO 2023063229A1 JP 2022037523 W JP2022037523 W JP 2022037523W WO 2023063229 A1 WO2023063229 A1 WO 2023063229A1
Authority
WO
WIPO (PCT)
Prior art keywords
opening
housing
indoor unit
drain
heat exchange
Prior art date
Application number
PCT/JP2022/037523
Other languages
English (en)
Japanese (ja)
Inventor
昌和 伊藤
Original Assignee
三菱重工サーマルシステムズ株式会社
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 三菱重工サーマルシステムズ株式会社 filed Critical 三菱重工サーマルシステムズ株式会社
Priority to EP22880924.0A priority Critical patent/EP4379284A1/fr
Priority to CN202280052008.5A priority patent/CN117716183A/zh
Publication of WO2023063229A1 publication Critical patent/WO2023063229A1/fr

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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
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • 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
    • 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
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate

Definitions

  • This disclosure relates to a ceiling suspended indoor unit.
  • a ceiling-suspended indoor unit as disclosed in Patent Document 1 is provided with a drain port (drain socket) for discharging drain water accumulated in the drain pan.
  • the drain socket on the drain pan may become clogged due to bacteria in the drain water.
  • the present disclosure has been made in view of such circumstances, and it is possible to visually check dirt and clogging near the drain socket without disassembling the housing, drain pan, etc.
  • a ceiling-suspended indoor unit includes a housing defining therein a fan chamber in which a fan is arranged and a heat exchange chamber in which a heat exchanger is arranged, and in the heat exchange chamber A drain pan installed below the heat exchanger, and a drain socket that communicates the heat exchange chamber and the fan chamber and discharges drain water accumulated in the drain pan. is formed with an opening that communicates with the heat exchange chamber and allows the drain socket to be viewed from the outside of the housing.
  • dirt and clogging near the drain socket can be visually confirmed without disassembling the housing, drain pan, etc., and the vicinity of the drain socket can be cleaned. .
  • FIG. 1 is a bottom perspective view of an indoor unit according to an embodiment of the present disclosure
  • 1 is a cross-sectional view of an indoor unit according to an embodiment of the present disclosure
  • FIG. Fig. 2 is a perspective view of the vicinity of the opening of the indoor unit according to the embodiment of the present disclosure (with the lid member removed); It is an enlarged view of an opening.
  • Fig. 2 is a perspective view of the vicinity of the opening of the indoor unit according to the embodiment of the present disclosure (with the lid member attached); It is a perspective view of a cover member.
  • FIG. 4 is a cross-sectional view of the side panel with the lid member attached; It is a front view which shows an example of a cover member.
  • the indoor unit 1 has a side cover 51 installed on the side surface (side panel 11) of the housing 10, and a grill 52 installed on the suction port 22 formed at the bottom of the housing 10.
  • a louver 53 is installed in the outlet 23 formed in the front of the housing 10 .
  • a fan chamber 18 and a heat exchange chamber 19 are defined inside the housing 10 .
  • blower fan 41 As shown in FIG. 3, in the fan room 18, a plurality of blower fans (fans) 41 are installed in the width direction of the indoor unit 1 (horizontal direction in the drawing).
  • the blower fan 41 is a device for drawing indoor air from the suction port 22 and blowing the air toward the heat exchanger 42 .
  • the blower fan 41 is, for example, a sirocco fan.
  • a heat exchanger 42 extending in the width direction of the indoor unit 1 is installed in the heat exchange chamber 19 .
  • the heat exchanger 42 is a device for exchanging heat between the air sent from the blower fan 41 and the refrigerant.
  • the fan chamber 18 and the heat exchange chamber 19 are separated by a partition plate 45 except for the blowout portion of the blower fan 41 .
  • the partition plate 45 extends in the width direction of the indoor unit 1 and stands in the height direction.
  • a drain pan 43 is installed below the heat exchanger 42 in the heat exchange chamber 19 .
  • the drain pan 43 is a tray for drain water (condensed water) adhering to the heat exchanger 42 .
  • the drain pan 43 is formed with an inclined surface configured so that drain water dripping from the heat exchanger 42 is collected at a predetermined location.
  • a drain socket 44 is provided at a location where drain water is concentrated. In this embodiment, the drain socket 44 is provided near the side panel 11 .
  • the drain socket 44 is an opening that communicates the heat exchange chamber 19 and the fan chamber 18, and is configured so that the drain water on the drain pan 43 is naturally drained from the heat exchange chamber 19 to the fan chamber 18 side. .
  • a pipe (not shown) is connected to the drain socket 44 in the fan chamber 18 so that the drain water guided to the fan chamber 18 via the drain socket 44 is naturally discharged to the outside of the indoor unit 1. It is configured.
  • the side panel 11 of the housing 10 has an opening 21 formed therein.
  • the opening 21 is an opening that communicates with the heat exchange chamber 19 above the drain pan 43, and faces the drain socket 44 from the outside of the housing 10 (the outside of the indoor unit 1 with the side cover 51 removed). It is formed in a position where
  • the opening 21 is preferably formed closer to the fan chamber 18 than the heat exchanger 42 in the heat exchange chamber 19 . Moreover, it is more preferable that the opening 21 be formed at a position where there is no obstacle (other parts, etc.) between the opening 21 and the drain socket 44 . Moreover, it is preferable that the opening 21 is formed at a position that does not interfere with the hanging metal fitting 55 or the bracket 56 that fixes the hanging metal fitting 55 to the housing 10 .
  • the opening 21 has, for example, a square shape with one side of about 70 mm to 100 mm, but the size is such that it does not interfere with the hanging metal fitting 55 and the bracket 56 that fixes the hanging metal fitting 55 to the housing 10 . It is preferably set in shape.
  • the indoor unit 1 includes a lid member 30 for closing the opening 21.
  • the lid member 30 has a plate member (plate-like portion) 31 and an insulation (fitting portion) 32 .
  • the plate member 31 is a sheet metal portion sized to cover the opening 21, and overlaps the side panel 11 around the opening 21. abut. Holes 31 a through which screws 57 are inserted are formed in two locations on the left and right sides of the plate member 31 .
  • the insulation 32 is a portion that fits inside the opening 21 and is provided on the surface of the plate member 31 .
  • the insulation 32 has a heat insulating portion 32a and a wind shielding portion 32b.
  • the heat insulating portion 32a is a portion provided in the central region of the plate member 31 and exhibits a heat insulating function.
  • the heat insulating portion 32a is made of foamed polyethylene, for example.
  • the thickness dimension of the heat insulating portion 32 a is substantially equal to the thickness dimension of the side panel 11 .
  • the wind shielding portion 32b is a portion provided so as to surround the entire periphery of the heat insulating portion 32a, and exerts a wind shielding function between itself and the opening 21 by coming into contact with a stepped portion 21a, which will be described later.
  • the wind shield part 32b is made of foamed ethylene or propylene rubber.
  • the thickness dimension of the windshield part 32b is smaller than the thickness dimension of the side panel 11, thereby forming a stepped part with the heat insulation part 32a.
  • the lid member 30 is fastened to the side panel 11 with two screws 57 inserted through the holes 31 a of the plate member 31 .
  • the insulation 32 fits inside the opening 21 , so the opening 21 can be closed while maintaining airtightness with the lid member 30 .
  • the wind shielding function of the insulation 32 can be exhibited by bringing the wind shielding portion 32b of the insulation 32 into contact with the stepped portion 21a.
  • the plate member 31 and the insulation 32 of the lid member 30 preferably have a point-symmetrical shape when viewed from the side.
  • the point-symmetrical shape include a square shape, a circular shape, and the like, in addition to the square shape described above. Accordingly, when the housing 10 is viewed from the side, the lid member 30 can be attached to the opening 21 while being positioned at an arbitrary position where the lid member 30 is rotated by a predetermined angle.
  • the plate member 31 and the insulation 32 of the lid member 30 are formed in a square shape, and the plate member 31 is formed with holes 31a at four locations on the top, bottom, left, and right, so that the housing 10 can be viewed from the side.
  • the lid member 30 can be attached to the opening 21 while positioning the lid member 30 at an arbitrary position rotated by 90°.
  • the shape of the opening 21 also has a point-symmetrical shape corresponding to the shape of the insulation 32 .
  • the opening 21 , the lid member 30 and the drain socket 44 described above may be provided on the side panels 11 on both sides of the indoor unit 1 . In this case, even if the indoor unit 1 is installed so that the wall of the building is close to one side panel 11, the drain socket 44 can be visually confirmed through the opening 21 formed in the other side panel 11. .
  • an openable and closable annular clip 33 may be provided on the surface of the plate member 31 (the surface opposite to the surface on which the insulation 32 is provided). As a result, the operator can pick up the clip 33, so that the lid member 30 can be easily removed. Wires can also be hung on the clip 33 .
  • the present embodiment has the following effects. That is, the side panel 11 of the housing 10 is formed with an opening 21 that communicates with the heat exchange chamber 19 and allows the drain socket 44 to be seen from the outside of the housing 10. A worker can visually check dirt and clogging in the vicinity of the drain socket 44 on the drain pan 43 without performing any disassembly work. Also, an operator can clean the dirt and clogs through the opening 21 .
  • the drain socket 44 can be visually confirmed directly from the opening 21 .
  • the lid member 30 has a plate member 31 that contacts the side panel 11 of the housing 10 around the opening 21 and an insulation 32 that fits inside the opening 21, the lid member 30 The opening 21 can be closed while maintaining airtightness.
  • the shape of the opening 21 and the shape of the lid member 30 are square when the housing 10 is viewed from the side.
  • the lid member 30 can be attached to the opening 21 while being positioned at an arbitrary position.
  • the ceiling suspended indoor unit (1) includes a fan chamber (18) in which a fan (41) is arranged and a heat exchange chamber (19) in which a heat exchanger (42) is arranged. a housing (10) defined inside; a drain pan (43) installed below the heat exchanger in the heat exchange chamber; A drain socket (44) for discharging accumulated drain water is provided, and the side surface (11) of the housing communicates with the heat exchange chamber and faces the drain socket from the outside of the housing.
  • An opening (21) is formed that allows the
  • the side surface of the housing is formed with an opening that communicates with the heat exchange chamber and allows the drain socket to be seen from the outside of the housing.
  • a worker can visually check dirt and clogging in the vicinity of the drain socket on the drain pan without disassembling the drain pan or the like. Also, the operator can clean the dirt and blockages through the opening.
  • the opening communicates with the heat exchange chamber on the fan chamber side of the heat exchanger.
  • the opening communicates with the heat exchange chamber on the fan chamber side of the heat exchanger, so the drain socket can be visually checked directly from the opening. can be done.
  • the openings are formed on both side surfaces of the housing.
  • the drain socket can be visually confirmed through the opening formed in the other side.
  • the ceiling-suspended indoor unit includes a lid member (30) that closes the opening, and the lid member abuts a side surface of the housing around the opening. It has a plate-like portion (31) and a fitting portion (32) that fits inside the opening.
  • the lid member that closes the opening is provided, and the lid member is fitted to the inside of the opening and the plate-like portion that abuts on the side surface of the housing around the opening. Since it has a fitting portion that fits together, the opening can be closed while airtightness is maintained by the lid member.
  • the shape of the opening and the shape of the lid member are point-symmetrical shapes when the housing is viewed from the side.
  • the shape of the opening and the shape of the lid member are point-symmetrical when the housing is viewed from the side.
  • the lid member can be attached to the opening while positioning the member at an arbitrary position rotated by a predetermined angle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

L'invention concerne une unité intérieure suspendue au plafond qui permet une confirmation visuelle de saleté et d'encrassement au voisinage d'une douille de vidange et permet le nettoyage autour de la douille de vidange sans démonter un boîtier, un bac de vidange, et analogue. L'unité intérieure comprend : un boîtier (10) définissant dans celui-ci une chambre de ventilateur (18) dans laquelle est disposé un ventilateur et une chambre d'échange de chaleur (19) dans laquelle est disposé un échangeur de chaleur ; un bac de vidange disposé dans la chambre d'échange de chaleur (19) au-dessous de l'échangeur de chaleur ; et une douille de vidange (44) qui communique entre la chambre d'échange de chaleur (19) et la chambre de ventilateur (18) et évacue l'eau de vidange accumulée dans le bac de vidange, une ouverture (21) qui communique avec la chambre d'échange de chaleur et permet à la douille de vidange (44) d'être observée depuis l'extérieur du boîtier (10) étant formée dans un panneau latéral (11) du boîtier (10).
PCT/JP2022/037523 2021-10-11 2022-10-06 Unité intérieure suspendue au plafond WO2023063229A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP22880924.0A EP4379284A1 (fr) 2021-10-11 2022-10-06 Unité intérieure suspendue au plafond
CN202280052008.5A CN117716183A (zh) 2021-10-11 2022-10-06 吊挂式室内机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021166575A JP2023057205A (ja) 2021-10-11 2021-10-11 天吊形室内機
JP2021-166575 2021-10-11

Publications (1)

Publication Number Publication Date
WO2023063229A1 true WO2023063229A1 (fr) 2023-04-20

Family

ID=85987719

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/037523 WO2023063229A1 (fr) 2021-10-11 2022-10-06 Unité intérieure suspendue au plafond

Country Status (4)

Country Link
EP (1) EP4379284A1 (fr)
JP (1) JP2023057205A (fr)
CN (1) CN117716183A (fr)
WO (1) WO2023063229A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56105730U (fr) * 1980-01-14 1981-08-18
JPH0372229U (fr) * 1989-11-14 1991-07-22
JPH06193904A (ja) * 1992-12-25 1994-07-15 Sanyo Electric Co Ltd 空気調和機
JP2010032094A (ja) * 2008-07-28 2010-02-12 Daikin Ind Ltd ドレン排水方法、空気調和装置および空気調和システム、ドレンソケット
JP2014173761A (ja) 2013-03-07 2014-09-22 Panasonic Corp 天吊型空気調和装置
WO2019187500A1 (fr) * 2018-03-30 2019-10-03 三菱重工サーマルシステムズ株式会社 Climatiseur et machine intérieure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56105730U (fr) * 1980-01-14 1981-08-18
JPH0372229U (fr) * 1989-11-14 1991-07-22
JPH06193904A (ja) * 1992-12-25 1994-07-15 Sanyo Electric Co Ltd 空気調和機
JP2010032094A (ja) * 2008-07-28 2010-02-12 Daikin Ind Ltd ドレン排水方法、空気調和装置および空気調和システム、ドレンソケット
JP2014173761A (ja) 2013-03-07 2014-09-22 Panasonic Corp 天吊型空気調和装置
WO2019187500A1 (fr) * 2018-03-30 2019-10-03 三菱重工サーマルシステムズ株式会社 Climatiseur et machine intérieure

Also Published As

Publication number Publication date
EP4379284A1 (fr) 2024-06-05
CN117716183A (zh) 2024-03-15
JP2023057205A (ja) 2023-04-21

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