WO2009104357A1 - 空調用室内ユニット - Google Patents

空調用室内ユニット Download PDF

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Publication number
WO2009104357A1
WO2009104357A1 PCT/JP2009/000355 JP2009000355W WO2009104357A1 WO 2009104357 A1 WO2009104357 A1 WO 2009104357A1 JP 2009000355 W JP2009000355 W JP 2009000355W WO 2009104357 A1 WO2009104357 A1 WO 2009104357A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
indoor
suction port
air conditioning
indoor unit
Prior art date
Application number
PCT/JP2009/000355
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
大村峰正
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to ES09712382.2T priority Critical patent/ES2610305T3/es
Priority to EP09712382.2A priority patent/EP2244029B1/de
Publication of WO2009104357A1 publication Critical patent/WO2009104357A1/ja

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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
    • F24F13/28—Arrangement or mounting of filters
    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets

Definitions

  • the present invention relates to an indoor unit for air conditioning of an air conditioner.
  • the present invention has been made based on such a technical problem, and an object thereof is to provide an air conditioning indoor unit that can further reduce power consumption by reducing the input of a motor that drives a fan. To do.
  • the inventors of the present invention which have been diligently studied based on the above object, have focused on the air suction flow path to the air conditioning indoor unit and the in-machine pressure loss at the outlet. As a result, it was understood that the grille and filter present on the suction flow path, and the louver present at the outlet had an influence on the in-machine pressure loss.
  • the present invention is an air conditioning indoor unit that sucks indoor air, heats or cools the air, and blows the air into the room, and a blow-out port that sucks indoor air and blows the heated or cooled air into the room
  • a decorative panel having a mouth, an indoor heat exchanger that heats or cools indoor air, a blower that sends indoor air to the indoor heat exchanger, a case body that houses the indoor heat exchanger and the blower, and a suction port And / or a pressure loss suppression mechanism that suppresses the pressure loss of the air flow at the outlet.
  • the pressure loss suppression mechanism includes a grille having a passage portion for air sucked from the suction port, and a filter that removes foreign substances of a certain size or more from the air sucked from the suction port. It can be moved at a position away from the suction port. If at least the grill is moved to a position away from the suction port, it is possible to prevent the grill from increasing pressure loss in the machine at the suction port. In order to further reduce the in-machine pressure loss, it is preferable to move not only the grill but also the filter to a position away from the suction port.
  • the grill and the filter can be integrated, or the grill and the filter can be moved independently.
  • the pressure loss suppression mechanism can retreat a louver that is located in the blowout flow path that is continuous with the blowout opening and controls the direction of the air blown from the blowout opening to a position along the wall surface of the blowout flow path. . Thereby, it is possible to prevent the louver from increasing the in-machine pressure loss at the outlet.
  • the input (power) of the motor for driving the fan of the blower can be suppressed.
  • the mode in which the grill or louver is moved is set to the power saving mode, the mode in which the grill and the fan are covered with the suction port, and the louver is disposed in the blowing channel is set to the normal mode.
  • the mode switching can also be switched according to the operation of the operation switch by the user or a preset control program.
  • the present invention is an air conditioning indoor unit that sucks indoor air, heats or cools the air, and blows the air into the room, and includes a suction port for sucking the indoor air and a blowout port for blowing the heated or cooled air into the room.
  • An indoor unit for air conditioning characterized by comprising a moving mechanism for independently moving to a position separated from the suction port Kill.
  • the present invention is an air conditioning indoor unit that sucks indoor air, heats or cools the air, and blows the air into the room, and includes a suction port for sucking the indoor air and a blowout port for blowing the heated or cooled air into the room.
  • the decorative panel provided, the indoor heat exchanger that heats or cools the indoor air, the blower that sends the indoor air to the indoor heat exchanger, the case body that houses the indoor heat exchanger and the blower, and the outlet And a louver retracting mechanism for retracting the louver from the inside of the blowing channel to a position along the wall surface of the blowing channel. It can also be set as the indoor unit for air conditioning characterized by this.
  • the present invention it is possible to suppress the input (power) of the motor for driving the fan of the blower by reducing the pressure loss in the machine by moving at least the grill or retracting the louver. It becomes possible to suppress electric power.
  • FIG. 1 It is a perspective view which shows the structure of the ceiling installation type air conditioner in this Embodiment. It is a figure which shows the indoor unit for air conditioning, (a) is sectional drawing, (b) is a figure which shows the motion of a louver. It is a perspective developed view which shows the rocking
  • SYMBOLS 10 Indoor unit for air conditioning, 11 ... Case main body, 12 ... Indoor heat exchanger, 14 ... Air blower, 16 ... Suction port, 17 ... Outlet, 18 ... Outlet channel, 19 ... Makeup panel, 20 ... Grill, 21 ... Filter, 22 ... Rod, 30 ... Louver, 31 ... Swing mechanism
  • FIG. 1 is a diagram for illustrating a schematic configuration of an indoor unit for air conditioning in the present embodiment.
  • the air conditioning indoor unit 10 is connected to the air conditioning outdoor unit 1 by a refrigerant pipe 2 to constitute a ceiling-mounted air conditioner.
  • the air-conditioning outdoor unit 1 is installed outside and includes a compressor that compresses the refrigerant, an outdoor heat exchanger 3 that performs heat exchange between the refrigerant and outdoor air, and an outdoor fan 4.
  • the indoor unit 10 for air conditioning has an indoor heat exchanger 12 that performs heat exchange between the refrigerant and room air inside a case body 11 that is embedded in a ceiling (not shown). Is circulated between the air conditioning outdoor unit 1 and the air conditioning indoor unit 10.
  • the air conditioning indoor unit 10 further includes a blower 14, a motor (not shown) for driving the blower 14, and an air guide plate 15 inside the case body 11.
  • a decorative panel 19 is provided at the bottom of the case body 11. In the lower part of the decorative panel 19, an air inlet 16 for indoor air is formed in the central part, and an outlet 17 for blowing air into the room is formed in the outer peripheral part.
  • the blower 14 is driven, and indoor air is guided to the air guide plate 15 from the suction port 16 and sent to the indoor heat exchanger 12. And it cools or heats in the process of flowing through the indoor heat exchanger 12 through which the refrigerant from the air-conditioning outdoor unit 1 is passed, and becomes conditioned air and blows out into the room from the outlet 17.
  • a grill 20 is provided in the suction port 16 at the center of the decorative panel 19 so as to cover it.
  • the grill 20 has an opening such as a slit through which indoor air passes.
  • a filter 21 for removing dust and the like contained in the indoor air sucked through the opening of the grill 20 is provided on the back side of the grill 20 (the side facing the inside of the case main body 11).
  • the filter 21 may be provided integrally with the grill 20, or the filter 21 may be held by a frame-like frame (not shown) and disposed on the back side of the grill 20.
  • the grill 20 and the filter 21 are provided as a pressure loss suppressing mechanism so as to be movable up and down with respect to the case body 11 fixed to the ceiling. For this reason, the grill 20 and the filter 21 are attached to the lower ends of a plurality of rods 22 that are held by the case body 11 so as to be movable up and down. Since the rod 22 functions as a moving mechanism for the grill 20 and the filter 21, it can be moved up and down by a motor drive by a rack and pinion mechanism, a ball screw mechanism, or the like. In this case, the rod 22 can also constitute a rack gear or a ball screw. Further, the rod 22 can be moved up and down by an air cylinder, a hydraulic cylinder or the like.
  • the grill 20 and the filter 21 can be moved up and down by a link mechanism or the like instead of the rod 22.
  • the mechanism for raising and lowering the grill 20 and the filter 21 is not intended to be limited to the above-described one, and other mechanisms can be appropriately employed.
  • the raising and lowering operations of the grill 20 and the filter 21 using the mechanism as described above are automatically controlled by the controller of the air conditioning indoor unit 10.
  • operation control is performed by a controller in a plurality of modes including a mode that prioritizes air conditioning (normal mode) and a mode that prioritizes power saving (power saving mode).
  • a mode in which air conditioning is prioritized the blower 14 is driven as in the prior art, and indoor air is guided from the suction port 16 to the air guide plate 15 and sent to the indoor heat exchanger 12. And it cools or heats in the process of flowing through the indoor heat exchanger 12 through which the refrigerant from the air-conditioning outdoor unit 1 is passed, and becomes conditioned air and blows out into the room from the outlet 17.
  • the grill 20 and the filter 21 are disposed at a position where the suction port 16 of the case body 11 is closed, as indicated by a solid line in FIG.
  • the grill 20 and the filter 21 are lowered from the suction port 16 to secure a gap between the case body 11 as shown by a two-dot chain line in FIG. It is assumed that This gap is set to a size sufficient to prevent pressure loss when the room air is sucked from the suction port 16. Thereby, the pressure loss at the time of inhaling indoor air reduces compared with the mode which gives priority to air conditioning. As a result, it is possible to reduce the input of the motor for driving the fan of the blower 14 and to suppress power consumption.
  • the grill 20 and the filter 21 are lowered.
  • the grill 20 and the filter 21 can be moved up and down independently, only the grill 20 is lowered or the grill 20 and the filter 21 are lowered. It is also possible to vary the descending amount (dimension) of 21.
  • a louver 30 for controlling the direction of the blown air is provided at the air outlet 17.
  • the louver 30 operates in the outlet 17 as a pressure loss suppression mechanism by a swing mechanism 31 described in detail later.
  • the swing mechanism 31 moves the louver 30 between the wind direction control position P ⁇ b> 1 and the retracted position in the blowout flow path 18 formed so as to be continuous with the blowout opening 17 in the case body 11.
  • the louver 30 is located in the blowing channel 18 at the wind direction control position P1 and controls the direction of the blowing air, and is positioned along the wall surface of the blowing channel 18 at the retreat position P2 to block the blowing wind. Evacuate so that there is no. Further, the swing mechanism 31 changes the angle of the louver 30 with respect to the wind blowing direction in the blowing channel 18 at the wind direction control position P1.
  • the connecting shaft 35 is rotatably held by a pair of holders 36 fixed to the case body 11 (see FIG. 2A).
  • An arm 42 is fixed to one end of the connection shaft 35 via a key.
  • a gear 37b and a bearing 34b fixed to the L-shaped arm 33 are fixed to the other end of the connecting shaft 35 via a key.
  • a gear 34c is rotatably supported at the tip of the bearing 34b.
  • the motor 34 is fixed to the upper part of the arm 33.
  • a gear 34a is fixed to the rotating shaft of the motor 34 through a key.
  • the gear 34a meshes with the gear 34c, and the gear 34d meshes with the gear 34c.
  • the gear 34 d is fixed to a shaft 43 that is rotatably inserted in a bearing 40 that is fixed to the lower portion of the arm 33.
  • Shafts 32 a and 32 b are integrally provided at both ends of the louver 30.
  • the shaft 32 a is inserted and fixed in a hole provided at one end of the shaft 43.
  • the shaft 32 b is inserted and fixed in a hole provided in a shaft 44 that is rotatably inserted into the arm 42.
  • the gears 34a, 34c, and 34d are rotated by the forward / reverse rotation of the motor 34, and the louver 30 swings around the shafts 32a and 32b.
  • the motor 37 is fixed to the case body 11 (see FIG.
  • a gear 37a is fixed to the rotating shaft of the motor 37.
  • the gear 37a meshes with a gear 37b fixed to the connection shaft 35, and the gears 37a and 37b are rotated by forward and reverse rotation of the motor 37, and swing about the arms 33 and 42 and the connection shaft 35 as fulcrums.
  • the connecting shaft 35, the holder 36, and the motor 37 are fixed to the case body 11 (see FIG. 2A) at a position that is not exposed in the blowout flow path 18.
  • the louver 30 is exposed in the blowing channel 18 through the hole formed in the blowing channel 18.
  • the motor 37 is actuated to rotate the connecting shaft 35, whereby the arm 33 and the arm 42 swing about the connecting shaft 35.
  • the louver 30 moves in the blowing channel 18 formed so as to be continuous with the blowing port 17 in the case body 11.
  • the louver 30 is positioned in the blowout flow path 18 to control the direction of the blown air and is positioned along the wall surface of the blowout flow path 18 so as not to hinder the blown wind. It moves between two positions, the retreat position P2 for retreat.
  • the louver 30 is in the wind direction control position P1
  • the shafts 32a and 32b rotate via the gears 34a, 34c and 34d, and the angle of the louver 30 changes. Accordingly, the angle of the louver 30 with respect to the wind blowing direction in the blowing channel 18 is changed at the wind direction control position P1.
  • the louver 30 In the indoor unit 10 for air conditioning, in the mode in which the air conditioning is prioritized (normal mode), the louver 30 is arranged at the wind direction control position P1 and the angle is changed by forward / reverse rotation of the motor 34, as in the past The direction of the wind blown from the blowout port 17 is controlled.
  • the louver 30 In a mode in which power saving is prioritized (power saving mode), the louver 30 is positioned at the retracted position P ⁇ b> 2 so that the louver 30 does not impair the air flow in the blowing flow path 18.
  • the pressure loss when conditioned air blows out from the blowout port 17 through the blowout flow path 18 is reduced as compared with the mode in which air conditioning is prioritized.
  • the swing mechanism 31 eliminates the gears 34a, 34c, 34d, 37a, 37b, etc., and as shown in FIG. 4, the louver 30 can be swung by the motor 34 held by the arm 33, and the arm 42 It is also possible to adopt a configuration in which the connecting shaft 35 is directly driven to rotate by the motor 37 held on the shaft.
  • the configuration of the air conditioning indoor unit 10 has been described.
  • any configuration other than the portion related to the main part of the present invention may be used.
  • the mechanism for raising and lowering the grill 20 and the filter 21, the louver 30 and the swinging mechanism 31 may have any other configuration as long as a required function can be realized.
  • the configuration described in the above embodiment can be selected or changed to another configuration as appropriate.

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)
  • Air Conditioning Control Device (AREA)
PCT/JP2009/000355 2008-02-21 2009-01-30 空調用室内ユニット WO2009104357A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES09712382.2T ES2610305T3 (es) 2008-02-21 2009-01-30 Unidad interior de aire acondicionado
EP09712382.2A EP2244029B1 (de) 2008-02-21 2009-01-30 Klimaanlagen-innenraumeinheit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008040170A JP5232497B2 (ja) 2008-02-21 2008-02-21 空調用室内ユニット
JP2008-040170 2008-02-21

Publications (1)

Publication Number Publication Date
WO2009104357A1 true WO2009104357A1 (ja) 2009-08-27

Family

ID=40985246

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/000355 WO2009104357A1 (ja) 2008-02-21 2009-01-30 空調用室内ユニット

Country Status (4)

Country Link
EP (1) EP2244029B1 (de)
JP (1) JP5232497B2 (de)
ES (1) ES2610305T3 (de)
WO (1) WO2009104357A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107477828A (zh) * 2017-08-29 2017-12-15 珠海格力电器股份有限公司 格栅升降装置及包括其的天井式空调器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4561926B2 (ja) * 2008-07-18 2010-10-13 ダイキン工業株式会社 空気調和機の室内機
CN105003961B (zh) * 2014-09-24 2017-12-26 黄欣欣 一种嵌入式空调室内机
CN104564743B (zh) * 2015-01-22 2017-02-22 天津大学 一种吊顶下回风式风机过滤单元
CN109780681B (zh) * 2019-01-31 2021-06-25 广东美的制冷设备有限公司 空调器及其控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10196989A (ja) 1997-01-13 1998-07-31 Mitsubishi Electric Corp 空気調和機
JP2000046366A (ja) * 1999-08-06 2000-02-18 Daikin Ind Ltd 天井設置型空気調和装置
JP2000111131A (ja) * 1998-10-08 2000-04-18 Daikin Ind Ltd 送風装置の空気吹出口構造
JP2000193264A (ja) 1998-12-25 2000-07-14 Hitachi Ltd 空気調和機
JP2007040689A (ja) * 2005-07-04 2007-02-15 Mitsubishi Heavy Ind Ltd 室内機ユニットおよび空気調和機

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000009330A (ja) * 1998-06-19 2000-01-14 Fujitsu General Ltd 天井埋込形空気調和機
WO2001079762A1 (fr) * 2000-04-19 2001-10-25 Daikin Industries, Ltd. Conditionneur d'air
JP4001172B1 (ja) * 2006-04-17 2007-10-31 ダイキン工業株式会社 空気調和装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10196989A (ja) 1997-01-13 1998-07-31 Mitsubishi Electric Corp 空気調和機
JP2000111131A (ja) * 1998-10-08 2000-04-18 Daikin Ind Ltd 送風装置の空気吹出口構造
JP2000193264A (ja) 1998-12-25 2000-07-14 Hitachi Ltd 空気調和機
JP2000046366A (ja) * 1999-08-06 2000-02-18 Daikin Ind Ltd 天井設置型空気調和装置
JP2007040689A (ja) * 2005-07-04 2007-02-15 Mitsubishi Heavy Ind Ltd 室内機ユニットおよび空気調和機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2244029A4

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107477828A (zh) * 2017-08-29 2017-12-15 珠海格力电器股份有限公司 格栅升降装置及包括其的天井式空调器

Also Published As

Publication number Publication date
JP5232497B2 (ja) 2013-07-10
ES2610305T3 (es) 2017-04-26
EP2244029A1 (de) 2010-10-27
EP2244029B1 (de) 2016-11-30
EP2244029A4 (de) 2012-09-05
JP2009198085A (ja) 2009-09-03

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