WO2015155855A1 - Climatiseur - Google Patents

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Publication number
WO2015155855A1
WO2015155855A1 PCT/JP2014/060294 JP2014060294W WO2015155855A1 WO 2015155855 A1 WO2015155855 A1 WO 2015155855A1 JP 2014060294 W JP2014060294 W JP 2014060294W WO 2015155855 A1 WO2015155855 A1 WO 2015155855A1
Authority
WO
WIPO (PCT)
Prior art keywords
outlet
wall
flow path
air conditioner
air
Prior art date
Application number
PCT/JP2014/060294
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 EP14888581.7A priority Critical patent/EP3130860B1/fr
Priority to JP2015523318A priority patent/JP5930352B2/ja
Priority to PCT/JP2014/060294 priority patent/WO2015155855A1/fr
Publication of WO2015155855A1 publication Critical patent/WO2015155855A1/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
    • F24F13/20—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
    • 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
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F2013/0616—Outlets that have intake openings

Definitions

  • the present invention relates to an air conditioner.
  • a wind direction plate is provided in the vicinity of the air outlet and guides the direction of the airflow blown out by the wind direction plate.
  • the airflow flowing through the longitudinal end portion of the wind direction plate tends to have a weak wind momentum, and further tends to entrain indoor air, so it tends to rise to the ceiling side.
  • the airflow flowing through the longitudinal end of the wind direction plate can cause smudging to the ceiling.
  • Patent Document 1 a conventional ceiling-embedded air conditioner is disclosed in Patent Document 1.
  • this air conditioner the chord length at the end portion in the longitudinal direction of the wind direction plate is shortened, and the air flow at the end portion in the longitudinal direction of the wind direction plate is directed downward, thereby preventing smudging to the ceiling.
  • Patent Document 1 when the chord length at the longitudinal end of the wind direction plate is shortened, the airflow flows along the wind direction plate at the portion where the chord length at the longitudinal end of the wind direction plate is shortened. There is a risk that the distance cannot be obtained sufficiently and the airflow does not flow out in the direction of the wind direction plate. For this reason, in particular, in the case of downward blowing, there is a problem that the airflow flows out further downward than the extending direction of the wind direction plate, and short cycle is easily caused.
  • the present invention has been made to solve the above-described problems, and reduces smudging due to the airflow flowing through the longitudinal end of the wind direction plate without facilitating a short cycle of the airflow at the longitudinal end of the wind direction plate.
  • An object of the present invention is to provide an air conditioner.
  • the present invention is an air conditioner having at least one suction port and at least one air outlet at the lower part thereof, and one air outlet passage having one air outlet as the outlet.
  • the distance of the road wall from the longitudinal center of the outlet channel is The outer channel wall, and both side portions of said longitudinal center portion, of the inner flow channel wall, shorter than the distance between both side portions of the longitudinal central portion.
  • the air conditioner of the present invention it is possible to reduce smudging due to the airflow flowing through the longitudinal end portion of the wind direction plate without facilitating the short cycle of the airflow at the longitudinal direction end portion of the wind direction plate.
  • FIG. 2 It is a graph which shows the relationship between length ratio L2 / L1 and the blowing angle of the airflow which flows out from the longitudinal direction center part of a wind direction board regarding this Embodiment 2.
  • FIG. It is a graph which shows the comparison with a prior art example and this Embodiment 2 regarding the blowing angle of the airflow seen in the longitudinal direction position of a wind direction board.
  • FIG. 3 Regard Embodiment 3 of this invention.
  • Embodiment 4 of this invention It is a figure of the same aspect as FIG. 2 regarding Embodiment 4 of this invention.
  • FIG. 2 regarding Embodiment 5 of this invention.
  • Embodiment 6 of this invention It is a figure of the same aspect as FIG. 2 regarding Embodiment 6 of this invention.
  • FIG. 1 is a diagram showing the internal structure of the air conditioner of the first embodiment from the side
  • FIG. 2 is a diagram showing the air outlet of the air conditioner of the first embodiment from above
  • FIG. 3 is a view showing the blowout flow path of the air conditioner of the first embodiment from the direction of the arrow III in FIG. 2
  • FIG. 4 is a blow flow path of the air conditioner of the first embodiment.
  • FIG. More specifically, the air conditioner of Embodiment 1 is a so-called packaged air conditioner indoor unit.
  • FIG. 1 shows that most of the case 3 of the air conditioner 1 is located behind the ceiling 5 of the room (the room and the room). The state is shown in which the lower part of the case 3 faces the room interior.
  • the air conditioner of the present invention has at least one suction port and at least one air outlet at the lower portion thereof, and further, a wall portion that defines one air outlet channel having one air outlet as an outlet.
  • the air conditioner 1 of the first embodiment has four suction ports 7 and one air outlet 9 at the lower portion thereof, and further includes four wall portions 11 and four air ports 9.
  • a wind direction plate 13 is provided.
  • One wall portion 11 defines one outlet flow path 15 having one outlet 9 as an outlet.
  • One wind direction plate 13 is provided at one air outlet 9.
  • the four blower outlets 9, the four wall parts 11, the four wind direction boards 13, and the four blowing flow paths 15 are provided, these are comprised similarly. Therefore, hereinafter, one air outlet 9, one wall portion 11, one wind direction plate 13, and one air outlet channel 15 will be described.
  • the case 3 includes a centrifugal fan 17 as a blower unit that creates a flow of air that is sucked into the case 3 from the suction port 7 and blown out from the blowout port 9 to the target space (room), and such an air flow path.
  • a heat exchanger 19 disposed therein is accommodated.
  • the case 3 includes a top plate 3a having a rectangular shape in plan view and four side plates 3b extending downward from four sides of the top plate 3a.
  • the case 3 is a box body in which the upper end surface of the rectangular tube body including the four side plates 3b is closed by the top plate 3a.
  • the panel 21 is detachably attached to the case 3 at the lower part of the case 3, that is, at the open lower end surface of the box.
  • the panel 21 is a design panel (decorative panel).
  • a grill-type panel suction port 21b is provided near the center of the panel 21, a grill-type panel suction port 21b is provided.
  • a filter 23 for removing dust that has passed through the grill portion of the panel suction port 21b is provided downstream (upward) of the panel suction port 21b.
  • the panel 21 and the panel suction port 21b each have an outer edge that is rectangular in plan view.
  • each of the panel 21 and the panel suction port 21b has four side edges, and four panel outlets 21a are provided, and each of the panel outlets 21a is provided.
  • the panel 21 and the panel suction port 21b are arranged along corresponding sides except for the corner portion.
  • the four panel blower outlets 21a are located so that the panel suction inlet 21b may be surrounded.
  • the panel inlet 21b is the inlet 7 mentioned above, and the four panel outlets 21a are the four outlets 9 mentioned above.
  • the panel blower outlet 21a (blower outlet 9) and the blower flow path 15 are extended along the corresponding
  • the short direction As an example, in the panel outlet 21a (blower outlet 9) and the outlet passage 15 shown in FIG. 2, the left-right direction in FIG. 2 is the longitudinal direction, and the up-down direction in FIG. 2 is the short direction. .
  • a fan motor 25 is disposed in the center of the case 3.
  • the fan motor 25 is supported on the lower surface (the inner space side of the case) of the top plate 3 a of the case 3.
  • the centrifugal fan 17 is attached to a rotating shaft extending downward in the fan motor 25. Further, a bell mouth 27 is provided between the centrifugal fan 17 and the filter 23 to form a suction flow path from the panel suction port 21 b toward the centrifugal fan 17.
  • the centrifugal fan 17 sucks air into the case 3 from the panel suction port 21b and causes the air to flow out from the panel blower outlet 21a into the room that is the target space.
  • a heat exchanger 19 is disposed outside the centrifugal fan 17 in the radial direction.
  • the heat exchanger 19 is disposed in a flow path of air generated in the case 3 by the centrifugal fan 17 and performs heat exchange between the air and the refrigerant.
  • the heat exchanger 19 has a plurality of fins arranged at predetermined intervals in the horizontal direction, and a heat transfer pipe penetrating 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 19.
  • the structure and aspect of the centrifugal fan 17, the bell mouth 27, and the heat exchanger 19 are not specifically limited, In this Embodiment 1, a well-known thing is used.
  • the air conditioner 1 is provided with one corresponding wall portion 11 for each outlet channel 15.
  • the wall portion 11 includes a portion provided in the case 3 and a portion provided in the panel 21 in the first embodiment.
  • the panel outlet 21 a described above is an outlet of the outlet passage 15 formed in the panel 21, and the outlet of the outlet passage 15 formed in the case 3 is a case outlet 31.
  • the case 3 has a case outlet 31 at a portion that becomes a boundary with the panel 21.
  • the plane of FIG. 2 is a plane containing the case blower outlet 31, and is a surface of the level shown with the referential mark II of FIG. 3 and FIG.
  • the wind direction board 13 is located downstream of the case outlet 31, and in this Embodiment 1, it extends up and down across the panel suction inlet 21b (suction inlet 7). Further, the chord length of the wind direction plate 13 is constant over the longitudinal direction.
  • the air conditioner of the present invention has at least one panel outlet and at least one case outlet.
  • the air conditioner 1 of the first embodiment includes four panels.
  • the air outlet 21a and four case air outlets 31 are provided.
  • the wall in the present invention includes at least an inner channel wall and an outer channel wall.
  • one wall portion 11 includes one inner flow path wall 41, one outer flow path wall 43, and two side walls 45.
  • Each of the two side walls 45 extends so as to connect the corresponding end of the inner flow path wall 41 and the corresponding end of the outer flow path wall 43.
  • the blow-out flow path 15 defined by the inner flow path wall 41, the outer flow path wall 43, and the two side walls 45 in a plan view has a substantially rectangular shape.
  • the inner flow path wall 41 and the outer flow path wall 43 (portions other than the convex portions 51 described later) extend substantially in parallel.
  • the outer flow path wall 43 is located farther from the heat exchanger 19 than the inner flow path wall 41.
  • the mode for realizing the distance D1 ⁇ distance D2 is an example.
  • the convex portion 51 is provided in the central portion 43a in the longitudinal direction of the outer flow path wall 43. Yes.
  • the convex portion 51 protrudes toward the inner flow path wall 41 and is located upstream of the wind direction plate 13.
  • the convex part 51 exists in the part which has demarcated the case blower outlet 31 of case 3.
  • the distance (distance in the short direction) D1 between the convex portion 51 of the outer flow path wall 43 and the inner flow path wall 41 is the convex portion 51 of the outer flow path wall 43. Is shorter than the distance D2 between the portions on both sides of the inner channel wall 41 and the inner flow path wall 41.
  • the central portion of the outer channel wall in the longitudinal direction of the outlet channel and the longitudinal direction of the outlet channel of the inner channel wall The distance D1 between the central portion in the longitudinal direction of the outer channel wall and the distance between the both sides of the central portion in the longitudinal direction of the inner channel wall (in the short direction) Since it is shorter than the distance (D2), the central part in the longitudinal direction of the blowout flow path becomes narrower than the portions on both sides of the central part in the longitudinal direction of the blowout flow path.
  • the airflow flowing into both sides of the central portion in the longitudinal direction of the road increases, and the wind speed at the longitudinal end portion of the outlet increases.
  • FIG. 5 is a diagram of the same mode as in FIG. 2 regarding the second embodiment
  • FIG. 6 is a diagram of the same mode as in FIG. 4 regarding the second embodiment
  • FIG. 7 is a graph showing the relationship between the length ratio L2 / L1 and the blowing angle of the airflow flowing out from the longitudinal center of the wind direction plate
  • FIG. It is a graph which shows the comparison with a prior art example and this Embodiment 2 regarding the blowing angle of the airflow seen in the direction position.
  • the length L2 in the longitudinal direction of the convex portion 151 of the outer flow path wall 43 is not less than 1/3 of the length L1 in the longitudinal direction of the outer flow path wall 43 itself.
  • the convex part 151 is the same as the convex part 51 mentioned above.
  • the blowout angle ⁇ 1 of the airflow at the longitudinal end of the blowout port is treated as a non-smugging limit angle (the minimum angle that does not cause smudging (the angle that is closest to horizontal blowing without smudging)).
  • the airflow in the central portion in the longitudinal direction of the air outlet has a strong momentum, and therefore, as shown by the dotted arrow F2 in FIG.
  • the airflow cannot be completely moved along the wind direction plate, and the blowing air direction is likely to be directed downward from the exit angle of the wind direction plate, resulting in a blowing angle 2 larger than the blowing angle ⁇ 1.
  • the convex portion 151 is provided so that the length ratio L2 / L1 is 1/3 or more, and even in the airflow in the central portion in the longitudinal direction of the air outlet.
  • the blow angle ⁇ 1 along the exit angle of the wind direction plate 13 is obtained.
  • FIG. 9 is a diagram of the same mode as FIG.
  • the protruding height of the convex portion 251 increases toward the downstream of the blowout flow path. According to the third embodiment, in addition to the same advantages as those of the above-described embodiment, since the channel width in the short direction of the blowout channel is gradually reduced, an advantage that pressure loss can be reduced is obtained.
  • FIG. FIG. 10 is a diagram of the same mode as FIG. 2 regarding the fourth embodiment of the present invention.
  • the third embodiment is the same as any one of the first to third embodiments described above except for the parts described or limited below.
  • the length in the longitudinal direction of the convex portion 351 in a plan view decreases in a stepped manner toward the tip of the convex portion 251.
  • FIG. FIG. 11 is a diagram of the same mode as FIG. 2 regarding the fifth embodiment of the present invention.
  • the fifth embodiment is the same as any one of the first to third embodiments described above except for the parts described or limited below.
  • the length in the longitudinal direction of the convex portion 451 in plan view continuously decreases toward the tip of the convex portion 351.
  • FIG. 12 is a diagram of the same mode as FIG. 2 regarding the sixth embodiment of the present invention.
  • the sixth embodiment is the same as any of the first to fifth embodiments described above except for the parts described or limited below.
  • the convex portion 551 is prepared as a separate body from the outer flow path wall and attached to the outer flow path wall.
  • FIG. 12 is an example in which the convex portion of the first embodiment is separated, and the sixth embodiment is not limited to this.
  • the convex portion of the second to fifth embodiments is separated. It can also be implemented as an embodiment.

Abstract

L'invention concerne un climatiseur (1) comprenant au moins une ouverture d'aspiration et au moins une ouverture d'évacuation doté d'une section de paroi (11), d'une plaque de grille d'aération, d'une section de soufflage d'air (17) et d'un échangeur de chaleur (19). La section de paroi comprend une paroi de passage d'écoulement interne (41) et une paroi de passage d'écoulement externe (43). La paroi de passage d'écoulement externe est située au niveau d'une position plus éloignée de l'échangeur de chaleur que la paroi de passage d'écoulement interne. La distance entre la partie centrale longitudinale (43a) de la paroi de passage d'écoulement externe et la partie centrale longitudinale (41a) de la paroi de passage d'écoulement interne est inférieure à la distance entre les parties (43b) de la paroi de passage d'écoulement externe, qui sont situées des deux côtés de la partie centrale longitudinale de la paroi de passage d'écoulement externe, et les parties (41b) de la paroi de passage d'écoulement interne, qui sont situées des deux côtés de la partie centrale longitudinale de la paroi de passage d'écoulement interne.
PCT/JP2014/060294 2014-04-09 2014-04-09 Climatiseur WO2015155855A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14888581.7A EP3130860B1 (fr) 2014-04-09 2014-04-09 Climatiseur
JP2015523318A JP5930352B2 (ja) 2014-04-09 2014-04-09 空気調和機
PCT/JP2014/060294 WO2015155855A1 (fr) 2014-04-09 2014-04-09 Climatiseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/060294 WO2015155855A1 (fr) 2014-04-09 2014-04-09 Climatiseur

Publications (1)

Publication Number Publication Date
WO2015155855A1 true WO2015155855A1 (fr) 2015-10-15

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ID=54287458

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/060294 WO2015155855A1 (fr) 2014-04-09 2014-04-09 Climatiseur

Country Status (3)

Country Link
EP (1) EP3130860B1 (fr)
JP (1) JP5930352B2 (fr)
WO (1) WO2015155855A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10380676B2 (en) * 2015-10-09 2019-08-13 Rakuten, Inc. Information processing system, information processing device, information processing method and program
CN113915759A (zh) * 2020-07-10 2022-01-11 Lg电子株式会社 空气净化器
US11313566B2 (en) * 2018-01-25 2022-04-26 Mitsubishi Electric Corporation Indoor unit of air-conditioning apparatus

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* 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
JP2003214696A (ja) * 2001-12-29 2003-07-30 Lg Electronics Inc 天井型空気調和機
WO2009054316A1 (fr) * 2007-10-25 2009-04-30 Toshiba Carrier Corporation Climatiseur incorporé dans le plafond
WO2011064999A1 (fr) * 2009-11-25 2011-06-03 ダイキン工業株式会社 Dispositif de conditionnement, panneau à pollen et boîtier
WO2012169110A1 (fr) * 2011-06-09 2012-12-13 三菱電機株式会社 Unité intérieure pour climatiseur

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JP2001254998A (ja) * 2001-02-27 2001-09-21 Mitsubishi Electric Corp 空気調和機の吹出口
JP2007333356A (ja) * 2006-06-19 2007-12-27 Mitsubishi Heavy Ind Ltd 天井埋込型室内機ユニットの吹出構造
KR101140716B1 (ko) * 2006-12-18 2012-05-03 삼성전자주식회사 천장형 공기조화기
JP4827899B2 (ja) * 2008-08-07 2011-11-30 三菱電機株式会社 天井埋込形空気調和機
JP5349147B2 (ja) * 2009-06-08 2013-11-20 三菱電機株式会社 空気調和装置
JP5247784B2 (ja) * 2010-10-04 2013-07-24 三菱電機株式会社 空気調和機
JP5383628B2 (ja) * 2010-11-02 2014-01-08 三菱電機株式会社 空気調和機

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* 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
JP2003214696A (ja) * 2001-12-29 2003-07-30 Lg Electronics Inc 天井型空気調和機
WO2009054316A1 (fr) * 2007-10-25 2009-04-30 Toshiba Carrier Corporation Climatiseur incorporé dans le plafond
WO2011064999A1 (fr) * 2009-11-25 2011-06-03 ダイキン工業株式会社 Dispositif de conditionnement, panneau à pollen et boîtier
WO2012169110A1 (fr) * 2011-06-09 2012-12-13 三菱電機株式会社 Unité intérieure pour climatiseur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3130860A4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10380676B2 (en) * 2015-10-09 2019-08-13 Rakuten, Inc. Information processing system, information processing device, information processing method and program
US11313566B2 (en) * 2018-01-25 2022-04-26 Mitsubishi Electric Corporation Indoor unit of air-conditioning apparatus
CN113915759A (zh) * 2020-07-10 2022-01-11 Lg电子株式会社 空气净化器

Also Published As

Publication number Publication date
JP5930352B2 (ja) 2016-06-08
EP3130860B1 (fr) 2022-10-19
EP3130860A1 (fr) 2017-02-15
JPWO2015155855A1 (ja) 2017-04-13
EP3130860A4 (fr) 2018-01-03

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