WO2015092926A1 - Climatiseur - Google Patents

Climatiseur Download PDF

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Publication number
WO2015092926A1
WO2015092926A1 PCT/JP2013/084324 JP2013084324W WO2015092926A1 WO 2015092926 A1 WO2015092926 A1 WO 2015092926A1 JP 2013084324 W JP2013084324 W JP 2013084324W WO 2015092926 A1 WO2015092926 A1 WO 2015092926A1
Authority
WO
WIPO (PCT)
Prior art keywords
outlet
air conditioner
air
side wall
wind direction
Prior art date
Application number
PCT/JP2013/084324
Other languages
English (en)
Japanese (ja)
Inventor
惇司 河野
池田　尚史
昌彦 高木
栗原　誠
健裕 田中
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to EP13899940.4A priority Critical patent/EP3086051B1/fr
Priority to JP2015553310A priority patent/JP6153141B2/ja
Priority to PCT/JP2013/084324 priority patent/WO2015092926A1/fr
Publication of WO2015092926A1 publication Critical patent/WO2015092926A1/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
    • F24F13/08—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
    • 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
    • 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

Definitions

  • the present invention relates to an air conditioner.
  • Patent Document 1 discloses a ceiling-embedded air conditioner in which a main body is installed behind the ceiling of an air-conditioned room.
  • this air conditioner the dimension of the wind direction plate in the direction orthogonal to the rotation axis becomes smaller near the rotation axis in the vicinity of the rotation axis of the wind direction plate.
  • JP-A-8-094160 (mainly FIG. 9)
  • both ends in the longitudinal direction of the air outlet are boundaries between the heat-exchanged secondary air and room air.
  • condensation may occur on the downstream side of the wind direction plate or on the rotating shaft.
  • the blown air flow is separated and a negative pressure is generated on the downstream side of the rotating shaft that supports the wind direction plate, indoor air is more easily trapped, and there is a possibility that condensation occurs on the downstream side of the wind direction plate and the rotating shaft.
  • the present invention has been made in view of the above, and an object of the present invention is to provide an air conditioner that is unlikely to cause a short cycle and that can prevent condensation on the wind direction plate.
  • the air conditioner of the present invention includes a casing, a blower, and a heat exchanger, and the casing includes at least one inlet and at least one outlet that are directed toward the target space.
  • the heat exchanger is an air conditioner that is disposed in a flow path of air that is sucked into the casing from the suction port and blown out from the blowout port to a target space.
  • the air passage having the outlet as an outlet is formed by a heat exchanger outlet side wall, an opposing side wall, and two side walls, and a wind direction plate is rotatably provided at the outlet.
  • the wind direction plate includes a main body, two support plates, and two rotation shafts, and passes between the side wall and the support plate in the air passage having the outlet as an outlet.
  • the side wall includes a first portion that rotatably supports the wind direction plate, and a second portion that is positioned upstream of the first portion, and the wind speed reducing portion includes the first portion and the first portion. It is comprised by the 2nd part, You may comprise the said 2nd part so that it may be near the center part of the longitudinal direction of the air channel which uses the said blower outlet as an exit rather than the said 1st part. .
  • the second part has a slope part that guides the flow so as to approach the central part in the longitudinal direction of the air passage that uses the air outlet as an outlet, and a straight surface part that extends in a direction orthogonal to the rotation axis.
  • the straight surface portion may be located on the downstream side of the slope portion.
  • another air conditioner of the present invention for achieving the same object includes a casing, a blower unit, and a heat exchanger, and the casing includes at least one suction port and at least one facing the target space.
  • the air passage having the outlet as the outlet is formed by a heat exchanger outlet side wall, an opposing side wall, and two side walls, and a wind direction plate is rotatable at the outlet.
  • the wind direction plate includes a main body, two support plates, and two rotation shafts, and the wind path having the outlet as an outlet is connected to the rotation shaft of the wind direction plate.
  • the wind direction deflecting portion may comprise the said wind direction deflection
  • deviation part may be comprised so that it may be a rib extended toward the surface to which the said rotating shaft in the said support plate was connected from the said side wall.
  • FIG. 1 is a side view showing the internal structure of the air conditioner according to Embodiment 1 of the present invention. More specifically, the air conditioner according to Embodiment 1 is a so-called indoor unit of a packaged air conditioner. FIG. 1 shows that the main part of the air conditioner body is embedded in the ceiling of the room and the lower part of the body is the room The state facing the interior of the room is shown.
  • an axial fan (turbo fan) 1, a fan motor 2, and a heat exchanger 3 are disposed at least.
  • the casing 50 of the air conditioner 100 is embedded on the back side (opposite side of the room) of the ceiling surface 15 of the room 17 that is the target space.
  • the casing 50 includes a casing top plate 5 having a rectangular shape in plan view, and four casing side plates 4 extending downward from four sides of the casing top plate 5.
  • the casing 50 is a box in which the upper surface of a square tube composed of four casing side plates 4 is closed by the casing top plate 5.
  • a decorative panel 6 is detachably attached to the casing 50 at a lower portion of the casing 50, that is, at an open lower end surface of the box. As shown in FIG. 1, the casing top plate 5 is positioned above the ceiling surface 15, and the decorative panel 6 is positioned substantially flush with the ceiling surface 15.
  • the casing 50 of the air conditioner 100 has at least one suction port 8 and at least one air outlet 9.
  • a suction grill 7 is provided near the center of the decorative panel 6, and a suction port 8 is provided in the suction grill 7.
  • a filter 7a for removing dust after passing through the suction grille 7 is provided inside the suction grille 7, a filter 7a for removing dust after passing through the suction grille 7 is provided.
  • the decorative panel 6 and the suction grille 7 each have a rectangular outer peripheral edge in plan view.
  • each of the decorative panel 6 and the suction grille 7 generally has four outer peripheral edges, and four outlets 9 are provided.
  • the decorative panel 6 and the suction grill 7 are arranged along corresponding sides.
  • the four outlets 9 are positioned so as to surround the suction grille 7.
  • the fan motor 2 is disposed in the center portion of the casing 50.
  • the fan motor 2 is supported on the lower surface (the inner space side of the casing) of the casing top plate 5.
  • An axial fan 1 serving as a blower is attached to a motor rotating shaft 2 a extending downward in the fan motor 2.
  • a bell mouth 14 is provided between the axial fan 1 and the suction grill 7 to form a suction air passage from the suction grill 7 toward the axial fan 1.
  • the axial fan 1 sucks air into the casing from the suction grille 7 and causes the air to flow out from the blowout port 9 into the room 17 that is the target space.
  • the heat exchanger 3 is arranged on the radially outer side of the axial fan 1.
  • the heat exchanger 3 is accommodated in the casing 50, and in particular, disposed in the flow path of air that is sucked into the casing 50 from the suction port 8 and blown out from the blowout port 9 to the target space. Then, heat exchange is performed between the air and the refrigerant.
  • the heat exchanger 3 has a plurality of fins arranged at predetermined intervals in the horizontal direction, and a heat transfer pipe passing through the fins, and the heat transfer pipe is connected to a well-known outdoor unit (not shown) by a connection pipe. As a result, a cooled refrigerant or a heated refrigerant is supplied to the heat exchanger 3.
  • the structure of the axial fan 1, the bell mouth 14, and the heat exchanger 3 is not specifically limited, In this Embodiment 1, a well-known thing is used.
  • FIG. 2 is a view showing the air outlet of the air conditioner according to Embodiment 1 from above.
  • FIG. 3 is a view showing the vicinity of the wind direction plate of the air conditioner according to Embodiment 1 from the side, and is a view when seen according to the arrow III in FIG. 2 and 3 are schematically shown for easy understanding of the drawing, and the wind direction plate is not shown in FIG.
  • the air outlet 9 is located between the heat exchanger 3 and the casing side plate 4 in terms of a positional relationship in plan view. More specifically, as shown in FIG. 2, the heat exchanger outlet side wall 10 is located between the heat exchanger outlet side wall 10 and the opposite side wall 11 facing the heat exchanger outlet side wall 10.
  • the casing center side (heat exchanger side / blower side) of the air passage having the outlet 9 as the outlet is defined by the heat exchanger outlet side wall 10, and the decorative panel 6 of the air passage having the outlet 9 as the outlet is provided.
  • the outer peripheral edge side is defined by the opposed side wall 11 that is the side plate side of the casing. Both ends of the heat exchanger outlet side wall 10 and both ends of the opposite side wall 11 are connected by two side walls 12.
  • the air outlet 9 is provided with a wind direction plate 13 for adjusting the direction of the air to be blown out.
  • the wind direction plate 13 includes two rotation shafts 13a, two support plates 13b, and a main body 13c.
  • the two support plates 13b are located at corresponding ends of the main body 13c in the longitudinal direction (plan view, a direction substantially perpendicular to the radial direction centered on the rotation axis of the axial fan).
  • 13a is located on the opposite side to the main body 13c in the corresponding support plate 13b.
  • the wind direction plate 13 is rotatably supported on the two rotation shafts 13a.
  • Each of the support plates 13b is formed on at least a part from the upstream end to the downstream end of the main body 13c. In the illustrated example, each of the support plates 13b extends from the upstream end to the downstream end of the main body 13c. That is, the width of the wind direction plate 13 in the direction orthogonal to the direction in which the rotation shaft 13a extends is substantially constant between the two rotation shafts 13a.
  • the side wall 12 has a first portion 12a that rotatably supports the wind direction plate 13, and a second portion 12b that is located upstream of the first portion 12a.
  • the wind direction plate 13 is not located between the two second portions 12b.
  • a step portion 12c is formed between the first portion 12a and the second portion 12b.
  • the side wall 12 is comprised so that the 2nd part 12b may become closer to the center part CP of the longitudinal direction of the air path which uses the blower outlet 9 as an exit rather than the 1st part 12a.
  • at least the first portion 12a and the second portion 12b constitute the wind speed reducing unit 18 that reduces the speed of the airflow passing between the side wall 12 and the support plate 13b.
  • the first portion 12a may be formed of a constituent member of the decorative panel 6
  • the second portion 12b may be formed of a constituent member of the casing.
  • the air passage portion between the side wall and the support plate is expanded toward the downstream with respect to the air passage having the outlet as the outlet. It becomes a road. Therefore, since the speed of the airflow passing through is reduced, the separation of the blown airflow at the rotating shaft of the wind direction plate is suppressed, and the blown airflow easily flows around to the downstream side of the rotating shaft, and the separation area downstream of the rotating shaft of the wind direction plate is reduced. To do. As a result, the indoor air involved in the negative pressure due to the separation decreases.
  • the separation area downstream of the rotation axis of the wind direction plate is reduced without relying on the configuration of reducing the width of the wind direction plate in the vicinity of the rotation axis. It is difficult to cause a cycle, and it is possible to prevent condensation on the wind direction plate.
  • Embodiment 2 FIG. Next, a second embodiment of the present invention will be described.
  • the second embodiment further limits the first embodiment described above, and can be described with the configuration shown in FIG.
  • the side wall 12 is configured such that the second portion 12b is closer to the central portion CP in the longitudinal direction of the air passage having the outlet 9 as the outlet than the first portion 12a. Further, when projected in plan or from the side as shown in FIG. 3, the second portion 12b is longer than the support plate 13b in the length of the air passage having the outlet 9 as an outlet. It is away from the center CP of the direction.
  • the blowing air passage is blocked only in the upstream portion of the rotating shaft 13a of the wind direction plate 13, and the blowing air passage in the upstream portion of the main body 13c of the wind direction plate 13 is not blocked. Therefore, it is possible to suppress a decrease in the blown airflow along the front and back surfaces of the wind direction plate 13. Moreover, the airflow which flows into the rotating shaft 13a of a wind direction board can be suppressed, suppressing the increase in ventilation resistance by reduction of an air path area.
  • FIG. 4 is a view showing the vicinity of the rotation axis of the wind direction plate of the air conditioner according to Embodiment 3 from the side.
  • the air conditioner of this Embodiment 3 shall be the same as that of Embodiment 1 or 2 except the part demonstrated below.
  • the second portion 112 b of the wind speed reducing unit 118 is configured to be closer to the central portion CP in the longitudinal direction of the air passage with the air outlet 9 as the outlet than the first portion 12 a. . Furthermore, the downstream portion of the second portion 112b is closer to the central portion CP in the longitudinal direction of the air passage having the outlet 9 as the outlet than the upstream portion of the second portion 112b. That is, this 2nd part 112b has the inclination which guides (deflects) a flow so that it may approach the center part CP of the longitudinal direction of the air path which uses the blower outlet 9 as an exit.
  • the same advantages as those of the first embodiment are obtained.
  • the air passage having the outlet as an outlet becomes a contracted shape toward the wind direction plate, the air flow is rectified, and the entrainment of room air can be further suppressed. .
  • FIG. 5 is a view showing the vicinity of the rotation axis of the wind direction plate of the air conditioner according to Embodiment 4 from the side.
  • the air conditioner of this Embodiment 4 shall be the same as that of Embodiment 1 except the part demonstrated below.
  • the second portion 212b of the wind speed reducing unit 218 is configured to be closer to the central portion CP in the longitudinal direction of the air passage having the outlet 9 as the outlet than the first portion 12a.
  • the second portion 212b has a slope portion 253 for guiding (deflecting) the flow so as to approach the central portion CP in the longitudinal direction of the air passage with the outlet 9 as the outlet, and a direction substantially orthogonal to the rotating shaft 13a ( And a straight surface portion 255 extending substantially in the vertical direction).
  • the straight surface portion 255 is located on the downstream side of the inclined surface portion 253, and the downstream portion of the inclined surface portion 253 is the central portion CP in the longitudinal direction of the air passage having the outlet 9 as an outlet rather than the upstream portion of the inclined surface portion 253. It is close to.
  • the same advantages as those of the first embodiment are obtained.
  • the straight surface portion is provided in the second portion upstream from the wind direction plate movable range, the airflow flows straight toward the wind direction plate. Therefore, it is easy to follow the blown airflow to the downstream end of the wind direction plate, and it is also possible to suppress the entrainment of indoor humid air.
  • FIG. 6 is a view showing the wind direction plate of the air conditioner according to Embodiment 5 from the direction of the rotation axis.
  • FIG. 7 is a view showing the vicinity of the rotation axis of the wind direction plate of the air conditioner according to Embodiment 5 from the side.
  • the air conditioner of the fifth embodiment is the same as that of the first embodiment except for the parts described below.
  • a wind direction deflecting unit 320 is provided in the air passage having the outlet as an outlet.
  • the wind direction deflecting unit 320 deflects the airflow passing through the heat exchanger outlet side wall 10 side from the rotation shaft 13a of the wind direction plate through the downstream side of the rotation shaft 13a and toward the opposite side wall 11 side.
  • the wind direction deflecting unit 320 is a rib slightly recessed on the rotating shaft 13a side.
  • the wind direction deflecting unit 320 is in contact with the side wall 312 from the surface (the surface opposite to the main body 13c) to which the rotation shaft 13a of the support plate 13b is connected (contacts the side wall 312). Without).
  • the side wall 312 is configured by a wall surface having almost no step.
  • the same advantages as those of the first embodiment are obtained.
  • the wind direction deflecting portion is formed near the longitudinal end portion of the air outlet, the air flow easily flows into the downstream side of the rotating shaft, and the entrainment of room air is suppressed. it can.
  • FIG. 8 is a view illustrating the air outlet peripheral portion of the air conditioner according to Embodiment 6 from the direction of the rotation axis.
  • FIG. 9 is a diagram of the same mode as FIG. 7 regarding the sixth embodiment of the present invention.
  • the air conditioner of the sixth embodiment is the same as that of the first embodiment except for the parts described below.
  • a wind direction deflecting section 420 is provided in the air passage having the outlet as an outlet.
  • the wind direction deflecting unit 420 deflects the airflow passing through the heat exchanger outlet side wall 10 side from the rotation shaft 13a of the wind direction plate through the downstream side of the rotation shaft 13a and toward the opposite side wall 11 side.
  • the wind direction deflecting section 420 is a rib extending in a flat plate shape.
  • the wind direction deflecting section 420 is directed from the side wall 312 toward the surface to which the rotation shaft 13a of the support plate 13b is connected (the surface opposite to the main body 13c). (Without touching).
  • the side wall 312 is configured by a wall surface having almost no step.
  • the same advantages as those of the first embodiment are obtained.
  • the blown airflow easily flows into the downstream side of the rotating shaft, and the entrainment of room air can be suppressed.

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

Abstract

L'invention concerne un climatiseur (100) équipé d'une enveloppe (50), d'un ventilateur à écoulement axial (1) et d'un échangeur de chaleur (3). L'enveloppe comprend un panneau (6) comprenant une ouverture d'admission (8) et une ouverture d'évacuation (9) faisant face à l'espace climatisé. Un passage de soufflage pour lequel l'ouverture d'évacuation sert de sortie est formé par une paroi latérale de sortie d'échangeur de chaleur (10), une paroi latérale opposée (11) et deux parois latérales (12). Des plaques d'aération (13) sont fournies dans l'ouverture d'évacuation, les plaques d'aération comprenant une plaque de corps principal (13c), deux plaques de support (13b) et deux arbres tournants (13a). Des sections de réduction de vitesse de soufflage (18), qui réduisent la vitesse de l'écoulement d'air passant entre les parois latérales et les plaques de support, sont disposées dans le passage de soufflage pour lequel l'ouverture d'évacuation sert de sortie.
PCT/JP2013/084324 2013-12-20 2013-12-20 Climatiseur WO2015092926A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP13899940.4A EP3086051B1 (fr) 2013-12-20 2013-12-20 Climatiseur
JP2015553310A JP6153141B2 (ja) 2013-12-20 2013-12-20 空気調和機
PCT/JP2013/084324 WO2015092926A1 (fr) 2013-12-20 2013-12-20 Climatiseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/084324 WO2015092926A1 (fr) 2013-12-20 2013-12-20 Climatiseur

Publications (1)

Publication Number Publication Date
WO2015092926A1 true WO2015092926A1 (fr) 2015-06-25

Family

ID=53402318

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/084324 WO2015092926A1 (fr) 2013-12-20 2013-12-20 Climatiseur

Country Status (3)

Country Link
EP (1) EP3086051B1 (fr)
JP (1) JP6153141B2 (fr)
WO (1) WO2015092926A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020202297A1 (fr) * 2019-03-29 2020-10-08 三菱電機株式会社 Climatiseur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0894160A (ja) 1994-09-26 1996-04-12 Mitsubishi Electric Corp 空気調和機の吹出口
JPH11118234A (ja) * 1997-10-17 1999-04-30 Daikin Ind Ltd 空気調和機
JP2001182959A (ja) * 1999-12-24 2001-07-06 Daikin Ind Ltd 空気調和機の吹出ユニット
JP2009024975A (ja) * 2007-07-23 2009-02-05 Mitsubishi Electric Corp 空気調和機
WO2012169110A1 (fr) * 2011-06-09 2012-12-13 三菱電機株式会社 Unité intérieure pour climatiseur

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JPH0443253A (ja) * 1990-06-11 1992-02-13 Matsushita Refrig Co Ltd 空気調和機
JPH0914742A (ja) * 1995-06-29 1997-01-17 Mitsubishi Heavy Ind Ltd 空気調和機
JP3282616B2 (ja) * 1999-11-05 2002-05-20 ダイキン工業株式会社 天井埋込型空気調和装置
JP4945678B1 (ja) * 2010-11-30 2012-06-06 パナソニック株式会社 空気調和機
JP4947227B1 (ja) * 2011-06-30 2012-06-06 パナソニック株式会社 空気調和機
JP5131371B1 (ja) * 2011-08-26 2013-01-30 ダイキン工業株式会社 空調室内機
JP5403084B2 (ja) * 2012-02-10 2014-01-29 ダイキン工業株式会社 室内機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0894160A (ja) 1994-09-26 1996-04-12 Mitsubishi Electric Corp 空気調和機の吹出口
JPH11118234A (ja) * 1997-10-17 1999-04-30 Daikin Ind Ltd 空気調和機
JP2001182959A (ja) * 1999-12-24 2001-07-06 Daikin Ind Ltd 空気調和機の吹出ユニット
JP2009024975A (ja) * 2007-07-23 2009-02-05 Mitsubishi Electric Corp 空気調和機
WO2012169110A1 (fr) * 2011-06-09 2012-12-13 三菱電機株式会社 Unité intérieure pour climatiseur

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020202297A1 (fr) * 2019-03-29 2020-10-08 三菱電機株式会社 Climatiseur
JPWO2020202297A1 (ja) * 2019-03-29 2021-10-14 三菱電機株式会社 空気調和機
CN113614453A (zh) * 2019-03-29 2021-11-05 三菱电机株式会社 空调机
AU2019438545B2 (en) * 2019-03-29 2022-12-08 Mitsubishi Electric Corporation Air-conditioning apparatus
JP7399156B2 (ja) 2019-03-29 2023-12-15 三菱電機株式会社 空気調和機
US12000601B2 (en) 2019-03-29 2024-06-04 Mitsubishi Electric Corporation Air-conditioning apparatus

Also Published As

Publication number Publication date
EP3086051A4 (fr) 2017-08-30
EP3086051B1 (fr) 2020-01-22
JPWO2015092926A1 (ja) 2017-03-16
JP6153141B2 (ja) 2017-06-28
EP3086051A1 (fr) 2016-10-26

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