WO2014207909A1 - Climatiseur - Google Patents

Climatiseur Download PDF

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Publication number
WO2014207909A1
WO2014207909A1 PCT/JP2013/067850 JP2013067850W WO2014207909A1 WO 2014207909 A1 WO2014207909 A1 WO 2014207909A1 JP 2013067850 W JP2013067850 W JP 2013067850W WO 2014207909 A1 WO2014207909 A1 WO 2014207909A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
outlet
passage wall
main body
air passage
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2013/067850
Other languages
English (en)
Japanese (ja)
Inventor
惇司 河野
池田　尚史
昌彦 高木
栗原　誠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2013/067850 priority Critical patent/WO2014207909A1/fr
Priority to JP2015523791A priority patent/JP6104384B2/ja
Priority to EP13887920.0A priority patent/EP3015774B1/fr
Publication of WO2014207909A1 publication Critical patent/WO2014207909A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • 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
    • F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
    • 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
    • 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
    • F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew

Definitions

  • the present invention relates to an air conditioner.
  • Patent Document 1 As a conventional ceiling-embedded air conditioner, for example, there is one disclosed in Patent Document 1.
  • This air conditioner has a partition at the longitudinal end of the main body outlet, and further has a guide wall that guides the air blown from the heat exchanger to the outlet so as to be connected to the partition. And it is intended that the partition part and the guide wall part lead the air flowing out from the corner part of the heat exchanger to the air outlet suitably.
  • the air outlet area is narrowed by the guide wall portion, so that the air flow resistance of the air outlet increases, resulting in problems such as a reduction in air volume and an increase in noise.
  • This invention was made in order to solve the said subject, and it aims at providing the air conditioner which can prevent generation
  • an air conditioner includes a main body having at least one suction port and at least one air outlet at a lower portion, the main body housed in the main body, and from the suction port into the main body.
  • a blower that creates a flow of air that is sucked into the target space and is blown into the target space, and is housed in the main body, and is sucked into the main body from the suction port to the target space.
  • a heat exchanger disposed in a flow path of air to be blown out, and the air outlet is between the heat exchanger and a side plate of the main body in plan view, and the air outlet is the heat exchanger.
  • the main body may be formed in a polygonal shape in plan view, and the air outlet may be arranged along a corresponding side excluding a corner portion in the polygon.
  • the portion on the inner air passage wall side of the air outlet is formed so that the air passage narrows toward the downstream.
  • the pair of side walls in the air outlet is divided by a divided wall surface extending toward the longitudinal center of the air outlet.
  • the divided wall surface is inclined such that the side wall side approaches the inner air passage wall with respect to a line BL extending in a direction parallel to the inner air passage wall and the outer air passage wall in plan view. May be.
  • the length L2 of the inner air passage wall of the air outlet is set to be shorter than the length L3 of the straight portion extending in the longitudinal direction of the air outlet in the heat exchanger.
  • the air conditioner of the present invention it is possible to prevent the occurrence of peeling while ensuring a sufficient area at the outlet.
  • FIG. 4 is a perspective view of the air outlet according to the third embodiment of the present invention.
  • FIG. 5 is a perspective view of a modified outlet according to the third embodiment of the present invention. It is a figure of the same aspect as FIG. 2 regarding Embodiment 4 of this invention.
  • FIG. 1 is a schematic diagram showing the internal structure of the air conditioner according to Embodiment 1 of the present invention from the side. 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 main body is embedded in the ceiling of the room, and the lower part of the main body is The state facing the room interior is shown.
  • At least one suction port and at least one air outlet are provided in the lower part of the main body. Inside the main body, the flow of air that is sucked into the main body from the air inlet and blown out from the air outlet to the target space. And a heat exchanger disposed in the air flow path. A specific example will be described in detail below.
  • the air conditioner that is embedded in the ceiling includes a turbo fan 1 as a blower, a heat exchanger 3, and at least one outlet 9.
  • the main body is embedded on the back side (opposite the room) of the ceiling surface 15 of the room that is the target space.
  • the main body has a top plate 5 of the main body that is rectangular in plan view, and four side plates 4 of the main body that extend downward from four sides of the top plate 5 of the main body.
  • the main body is a box body in which the upper end surface of the rectangular tube body including the side plates 4 of the four main bodies is closed by the top plate 5 of the main body.
  • the decorative panel 6 is detachably attached to the main body at the lower part of the main body, that is, at the open lower end surface of the box. As shown in FIG. 1, the top plate 5 of the main body is located above the ceiling surface 15, and the decorative panel 6 is located substantially on the same surface as the ceiling surface 15.
  • a suction grill 7 which is an air inlet to the main body.
  • the suction grill 7 is provided with a filter 8 for removing dust after passing through the suction grill 7.
  • the decorative panel 6 and the suction grille 7 each have a rectangular outer edge in plan view.
  • a plurality of air outlets 9 are provided in an area between the outer edge of the decorative panel 6 and the outer edge of the suction grille 7.
  • each of the decorative panel 6 and the suction grille 7 has four edges, and there are four air outlets 9, which are described later.
  • the decorative panel 6 and the suction grille 7 are arranged along corresponding sides except for the corner portion.
  • the four outlets 9 are positioned so as to surround the suction grille 7.
  • Each air outlet 9 is provided with a wind direction plate 13 that adjusts the direction of air to be blown out.
  • the fan motor 2 is disposed in the center of the main body.
  • the fan motor 2 is supported on the lower surface (the inner space side of the main body) of the top plate 5 of the main body.
  • a turbo fan 1 is attached to a rotating shaft extending downward in the fan motor 2. Further, between the turbo fan 1 and the suction grill 7, a bell mouth 14 that forms a suction air path from the suction grill 7 toward the turbo fan 1 is provided.
  • the turbofan 1 sucks air into the main body from the suction grill 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 disposed on the radially outer side of the turbofan 1.
  • the heat exchanger 3 is arranged in a flow path of air generated in the main body by the turbofan 1 and performs heat exchange between the air and the refrigerant.
  • the heat exchanger 3 has at least one corner portion 16 (see FIG. 2 described later) at a portion facing each adjacent corner portion of each air outlet 9.
  • 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 and aspect of the turbo fan 1, the bell mouth 14, and the heat exchanger 3 are not specifically limited, In this Embodiment 1, a well-known thing is used.
  • FIG. 2 is a view of one air outlet 9 relating to the first embodiment as viewed from above.
  • the air outlet 9 is located between the heat exchanger 3 and the main body side plate 4 in a plan view.
  • the center side of the main body of the air outlet 9 is defined by the inner air passage wall 10 that is the heat exchanger side, and the outer edge side of the decorative panel 6 at the air outlet 9 is the side plate side of the main body. It is demarcated by a certain outer air passage wall 11, and both ends of the inner air passage wall 10 and both ends of the outer air passage wall 11 are connected by a pair of side walls 12.
  • the inner air passage wall 10, the outer air passage wall 11, and the pair of side walls 12 extend along the flow direction, that is, the direction perpendicular to the paper surface of FIG. 2, and can be seen in FIG.
  • the opening area / opening shape of the outlet 9 is maintained constant from the inlet end to the outlet end of the outlet 9.
  • the length L2 of the inner air passage wall 10 is longer than the length L1 of the outer air passage wall 11 (the dimension of the air passage wall extending in the longitudinal direction of the air outlet, the dimension along the side) L1. Is larger. This will be described in more detail.
  • the inner air passage wall 10 and the outer air passage wall 11 appear as a straight line extending substantially in parallel in a plan view, that is, on the inlet side to the air outlet.
  • a line passing through the center of the length direction of the inner air passage wall 10 and the outer air passage wall 11 and orthogonal to the extending direction of the inner air passage wall 10 and the outer air passage wall 11 is defined as a center line CL.
  • the length L1 of the outer air passage wall 11 ⁇ the length L2 of the inner air passage wall 10 is such that at least one of the side walls 12 is the inner air passage. This is accomplished by including a deflection that extends away from the center of the outlet as it approaches the wall 10.
  • the configuration shown in FIG. 2 is an example in the case where both side walls 12 have a deflection portion as a part of the side walls 12.
  • Each of the pair of side walls 12 includes a straight portion 12a extending from the end on the outer air passage wall 11 side toward the inner air passage wall 10 and substantially parallel to the center line CL (the distance from the air outlet center is substantially constant), It consists of the inclination part 12b which comprises from the connection part of the straight part 12a to the edge part by the side of the inner side air channel wall 10.
  • FIG. And this inclination part 12b is a deflection
  • FIG. 2 is merely an example for obtaining the length L1 of the outer air passage wall 11 ⁇ the length L2 of the inner air passage wall 10. Therefore, for example, the planed portion is realized as the inclined portion 12b itself by extending linearly so as to be separated from the center of the outlet as the entire inclined portion 12b approaches the inner air passage wall 10 in plan view. Or, in plan view, a part or all of the inclined portion 12b is curved, and the curved portion has a portion that moves away from the center of the outlet as it approaches the inner air passage wall 10. It may be realized with. Further, in this case, the curve may be a curve with a convex shape on the center side of the air outlet, or a curve with a concave shape on the center side of the air outlet.
  • the length of the air outlet 9 on the center side of the main body that is, the length on the heat exchanger side is relatively It has been expanded.
  • the air passages at the pair of corners where the inner air passage wall 10 and the pair of side walls 12 intersect at the air outlet 9 are relatively enlarged.
  • the corner on the heat exchanger side at the inlet of the outlet is relatively enlarged, so the corner of the heat exchanger is
  • the airflow that has passed through can be more efficiently taken into the air outlet, and the separation of the airflow can be reduced without reducing the area of the air outlet.
  • avoidance of the area reduction of the air outlet and reduction of air flow separation are compatible, it is possible to reduce the ventilation resistance, and thus reduce noise, sufficiently secure the flow rate, and save energy. Is possible.
  • the reduction in the area of the air outlet and the reduction in the separation of the airflow are compatible, it is possible to suppress the decrease in the wind speed, and as a result, the occurrence of the entrainment flow is also suppressed. Occurrence can be prevented.
  • FIG. 3 is a view showing a longitudinal section of the air outlet (a section taken along line III-III in FIG. 2, a section having the center line CL as a perpendicular line) in the second embodiment.
  • the second embodiment is the same as the first embodiment described above except for the parts described below.
  • the air outlet 109 is formed such that the enlarged portion on the inner air passage wall 10 side is narrowed toward the downstream (lower side in FIG. 3).
  • the area of the end (downstream end) 109a is configured to be smaller than the area of the inlet end (upstream end) 109b.
  • the length L2 in the longitudinal direction of the inner air passage wall 10 of the air outlet 109 described above is a length secured in the vicinity of the inlet end 109b.
  • Embodiment 2 since the air path of the air outlet becomes narrower toward the downstream side of the air outlet, the reattachment of the air current can be promoted, and the separation area of the air current downstream of the air outlet can be reduced. The wind speed on the inner wind passage wall side at the outlet end of the outlet can be increased. As a result, it is possible to further reduce pressure loss due to airflow separation, improve energy saving, reduce blowing noise, and prevent condensation due to entrainment of indoor air.
  • FIGS. 4 and 5 are perspective views of the air outlet according to the third embodiment of the present invention.
  • the third embodiment is the same as the second embodiment described above except for the parts described below.
  • the air outlet 209 of the third embodiment has a configuration in which the side wall 212 at the longitudinal end of the air outlet 209 is divided by a divided wall surface 218 extending toward the longitudinal center of the air outlet 209. More specifically, as shown in FIG. 4, in the portion on the downstream side of the divided wall surface 218 in the side wall 212, the direction is orthogonal to the inner air passage wall 10 and the outer air passage wall 11 and along the flow direction. The portion of the side wall 212 on the side of the outer air passage wall 11 with respect to the divided wall surface 218 is also perpendicular to the inner air passage wall 10 and the outer air passage wall 11 and along the flow direction. And has a straight portion 12a extending straight.
  • the portion of the side wall 212 closer to the inner air passage wall 10 than the divided wall surface 218 is inclined sloped 212d so that the distance between the straight portion 12a and the straight portion 212c in the longitudinal direction increases as the distance from the inlet end 209b increases.
  • the distance L in the longitudinal direction between the pair of left and right slopes 212d becomes narrower from the inlet end 209b toward the outlet end 209a, and the most downstream part of the slope 212d is the straight part 212c. Connect to.
  • the divided wall surface 218 extends in a direction orthogonal to the straight portion 12 a and the straight portion 212 c in plan view, that is, in a direction parallel to the inner air passage wall 10 and the outer air passage wall 11.
  • a divided wall surface 218 ′ shown in FIG. 5 may be formed.
  • FIG. 5 is a modified example of the third embodiment, and the divided wall surface 218 ′ has a side wall with respect to the line BL extending in a direction parallel to the inner air passage wall 10 and the outer air passage wall 11 in a plan view.
  • the side 212 is inclined so as to approach the inner air passage wall 10.
  • the pair of inclined surfaces 212d ′ has a narrower distance L in the longitudinal direction from the inlet end 209b toward the outlet end 209a and a width perpendicular to the longitudinal direction (the distance between the inner air passage wall 10 and the outer air passage wall 11).
  • the dimension (W in the facing direction) W is also narrowed.
  • the longitudinal direction of the blowout port that is likely to be biased toward the outer air channel wall side of the blowout port by providing the side wall of the blowout port with a divided wall surface extending toward the central portion in the longitudinal direction.
  • the airflow flowing in from the side wall, which is the end, can be sufficiently supplied also to the inner air passage wall side of the outlet. Therefore, compared with the aspect which does not have a division
  • FIG. 6 is a diagram of the same mode as FIG. 2 regarding the fourth embodiment of the present invention.
  • this Embodiment 4 shall be the same as that of Embodiment 3 mentioned above except the part demonstrated below.
  • the length L2 of the inner air passage wall 10 of the air outlet 309 is set to be shorter than the length L3 of the straight portion extending in the longitudinal direction of the air outlet 309 in the heat exchanger 3. Has been.
  • the same advantages as those of the third embodiment are obtained.
  • the air flowing out from the heat exchanger is It tends to flow into the air outlet vertically from the inner air channel wall side.
  • the airflow that flows through the corner portion of the heat exchanger and flows from the side wall side of the longitudinal end portion of the blowout port easily flows vertically without being biased toward the outer air passage wall side of the blowout port. Therefore, since it becomes easy to flow into the air outlet with a uniform air volume, it is difficult to cause separation of the air flow. This also makes it possible to reduce pressure loss due to airflow separation, improve energy savings, and reduce blowing noise.
  • Embodiment 4 can also be implemented in combination with Embodiment 1 or 2 mentioned above.
  • the main body of the air conditioner has been described as a rectangular shape having four sides in plan view, but the present invention is not limited to this, and at least one suction port and a lower portion are provided. It has at least one air outlet, in plan view, has a polygonal main body, and can be widely applied to a configuration in which the air outlet is formed along a corresponding side excluding a corner portion in the polygon. .
  • the present invention can be widely used not only for indoor units constituting a refrigeration cycle apparatus, such as indoor units for air conditioners, but also for various devices and facilities where a blower is installed.

Landscapes

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

Abstract

　Climatiseur comportant: un corps principal doté d'au moins une entrée et d'au moins une sortie; et un échangeur (3) de chaleur disposé sur un passage d'écoulement d'air admis dans le corps principal à travers l'entrée et rejeté dans un espace à climatiser à travers la sortie. La sortie (9) est située, dans une vue en plan, entre l'échangeur (3) de chaleur et une plaque latérale (4) du corps principal. La sortie est formée par une paroi intérieure (10) du passage de soufflage du côté échangeur de chaleur, une paroi extérieure (11) du passage de soufflage du côté situé vers la plaque latérale du corps principal, et une paire de parois latérales (12). La longueur (L2) de la paroi intérieure du passage de soufflage est supérieure à la longueur (L1) de la paroi extérieure du passage de soufflage.
PCT/JP2013/067850 2013-06-28 2013-06-28 Climatiseur Ceased WO2014207909A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2013/067850 WO2014207909A1 (fr) 2013-06-28 2013-06-28 Climatiseur
JP2015523791A JP6104384B2 (ja) 2013-06-28 2013-06-28 空気調和機
EP13887920.0A EP3015774B1 (fr) 2013-06-28 2013-06-28 Climatiseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/067850 WO2014207909A1 (fr) 2013-06-28 2013-06-28 Climatiseur

Publications (1)

Publication Number Publication Date
WO2014207909A1 true WO2014207909A1 (fr) 2014-12-31

Family

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Family Applications (1)

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PCT/JP2013/067850 Ceased WO2014207909A1 (fr) 2013-06-28 2013-06-28 Climatiseur

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EP (1) EP3015774B1 (fr)
JP (1) JP6104384B2 (fr)
WO (1) WO2014207909A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119436274B (zh) * 2024-12-20 2025-10-24 珠海格力电器股份有限公司 柜式空调器及其控制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11118233A (ja) * 1997-10-14 1999-04-30 Daikin Ind Ltd 空気調和装置の空気吹出口構造
JP2005069586A (ja) 2003-08-26 2005-03-17 Matsushita Electric Ind Co Ltd 天井カセツト形空気調和機
JP2007024345A (ja) * 2005-07-12 2007-02-01 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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4821515B2 (ja) * 2006-08-30 2011-11-24 株式会社富士通ゼネラル 空気調和機
JP2010169277A (ja) * 2009-01-20 2010-08-05 Sanyo Electric Co Ltd 天井埋込型空気調和機
JP5359458B2 (ja) * 2009-03-27 2013-12-04 ダイキン工業株式会社 空気調和装置、ケーシング、および化粧パネル
JP4924697B2 (ja) * 2009-11-05 2012-04-25 ダイキン工業株式会社 空気調和装置の室内機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11118233A (ja) * 1997-10-14 1999-04-30 Daikin Ind Ltd 空気調和装置の空気吹出口構造
JP2005069586A (ja) 2003-08-26 2005-03-17 Matsushita Electric Ind Co Ltd 天井カセツト形空気調和機
JP2007024345A (ja) * 2005-07-12 2007-02-01 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

Also Published As

Publication number Publication date
JPWO2014207909A1 (ja) 2017-02-23
EP3015774A4 (fr) 2017-03-29
JP6104384B2 (ja) 2017-03-29
EP3015774A1 (fr) 2016-05-04
EP3015774B1 (fr) 2019-10-16

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