WO2013001823A1 - Climatiseur - Google Patents

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Publication number
WO2013001823A1
WO2013001823A1 PCT/JP2012/004206 JP2012004206W WO2013001823A1 WO 2013001823 A1 WO2013001823 A1 WO 2013001823A1 JP 2012004206 W JP2012004206 W JP 2012004206W WO 2013001823 A1 WO2013001823 A1 WO 2013001823A1
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WO
WIPO (PCT)
Prior art keywords
air
width
blade
outlet
air conditioner
Prior art date
Application number
PCT/JP2012/004206
Other languages
English (en)
Japanese (ja)
Inventor
正美 林
弘祥 上島
輝夫 藤社
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Publication of WO2013001823A1 publication Critical patent/WO2013001823A1/fr

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    • 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

Definitions

  • the present invention relates to an air conditioner in which an indoor unit is provided with a wind direction changing blade that changes the direction of air blown from a blowout port, and performs air conditioning operation by controlling the wind direction changing blade, and in particular, air blown from the blowout port It is related with the shape of the up-and-down wind direction change blade
  • wing which changes direction of.
  • the conventional air conditioner is provided with a wind direction changing blade that changes the direction of the air blown out from the outlet of the indoor unit.
  • the wind direction changing blade is composed of an up / down air direction changing blade that changes the direction of the air blown from the air outlet up and down and a left / right wind direction changing blade that changes the direction of the air blown out from the air outlet to the left and right.
  • the vertical wind direction changing blade is usually composed of one blade, and when the air conditioner stops, the air outlet rotates to cover the air outlet with the vertical air direction changing blade, so the horizontal width of the air direction changing blade is set slightly narrower than the width of the air outlet.
  • the left and right wind direction change blades are composed of two pairs, left and right, with a plurality of left and right blades fixed to the connecting rail to be rotatable in the left and right directions at the outlet, and are blown out by changing the direction of the left and right blades. You can change the direction of the left and right air.
  • the blowout air guide provided on the up / down airflow direction changing blade is located in front of the blowout port (that is, located on the front side). Therefore, when the angle of the left and right wind direction changing blades is the same as the angle of the blowing wind guide, the blowing wind guide effect by the blowing wind guide can be obtained, but when the angles do not match, the blowing wind guide itself is There is a problem that the effect of guiding the blowing wind by the blowing wind guide cannot be sufficiently obtained, and the ability to change the right and left wind directions cannot be obtained sufficiently.
  • the present invention has been made in view of such a problem of the prior art, and an object of the present invention is to provide an air conditioner that can improve the performance of changing the right and left wind directions.
  • the present invention is configured as follows.
  • an up-and-down air direction changing blade having an upper blade and a lower blade that changes the direction of the air blown from the air outlet up and down, and the air direction Left and right wind direction changing vanes, and the up and down air direction changing vanes have a narrow portion located between both side walls of the outlet and a wide portion located in front of the narrow portion.
  • the width of the narrow portion is shorter than the width of the outlet, the width of the wide portion is longer than the width of the outlet, and at least the lower blade of the upper blade and the lower blade has a width of the wide portion.
  • an air conditioner having protrusions extending from the upstream side toward the downstream side and the outside in the vicinity of both ends.
  • wing which has the upper blade
  • wing which change up and down the direction of the air which blows off from a blower outlet, and the direction of air Left and right wind direction changing vanes
  • the up and down air direction changing vanes have a narrow portion located between both side walls of the outlet and a wide portion located in front of the narrow portion.
  • the width of the narrow portion is shorter than the width of the outlet, the width of the wide portion is longer than the width of the outlet, and at least the lower blade of the upper blade and the lower blade has the narrow portion.
  • a projecting portion extending from the upstream side toward the downstream side and the outside from the enlarged portion to the wide portion in the vicinity of both ends of the lower blade;
  • An air conditioner provided with an air conditioner is provided.
  • the up-and-down wind direction changing blade has a narrow portion located between both side walls of the air outlet and a wide portion located in front of the narrow portion, and the lateral width of the narrow portion is the air outlet.
  • the width of the wide portion is shorter than the width of the outlet, and at least the lower blade of the upper blade and the lower blade has protrusions extending from the upstream side toward the downstream side and the outer side in the vicinity of both ends of the wide portion.
  • the up-and-down wind direction changing blade has a narrow portion located between both side walls of the air outlet, and a wide portion located in front of the narrow portion, and the lateral width of the narrow portion is larger than the lateral width of the air outlet.
  • the width of the short and wide portion is longer than the width of the outlet, and at least the lower blade of the upper blade and the lower blade has an enlarged portion whose width gradually increases from the narrow portion toward the wide portion.
  • Protrusions extending from the upstream side to the downstream side and to the outside are provided in the vicinity of both ends from the enlarged portion to the wide portion. With this projection, the ability to change the left and right wind direction can be enhanced.
  • the external view of the indoor unit which comprises the air conditioner which concerns on embodiment of this invention, and the enlarged view of a projection part installation part Cross section of the indoor unit of FIG.
  • Sectional view corresponding to a partial sectional view taken along line AA of the indoor unit of FIG. 2 which is an air conditioner according to a modification of the present invention
  • An air conditioner is an indoor unit in which an up / down wind direction changing blade having an upper blade and a lower blade that changes the direction of the air blown from the air outlet up and down, and the air direction is changed left and right.
  • Left and right wind direction changing blades, and the up and down wind direction changing blades have a narrow portion located between both side walls of the outlet, and a wide portion located in front of the narrow portion, the width The width of the narrow portion is shorter than the width of the outlet, the width of the wide portion is longer than the width of the outlet, and at least the lower blade of the upper blade and the lower blade is near both ends of the wide portion, Protrusions extending from the upstream side to the downstream side and to the outside are provided.
  • the blowing angle is changed by the right and left wind direction changing blades, and the air that is going to move forward as it moves away from the left and right blades is guided by the projections and guided to the outside, and the air can be blown out in a desired direction.
  • the protrusions are formed in the vicinity of both ends of the wide portion whose width is longer than the width of the outlet, even if the angle of the left / right wind direction changing blades does not match the angle of the protrusions, the protrusions Will not hinder. Therefore, in the air conditioner, it is possible to improve the performance of changing the left and right wind directions.
  • An air conditioner is an indoor unit in which an up / down wind direction changing blade having an upper blade and a lower blade that changes the direction of the air blown from the air outlet up and down, and the air direction is changed to the left and right.
  • Left and right wind direction changing blades, and the up and down wind direction changing blades have a narrow portion located between both side walls of the outlet, and a wide portion located in front of the narrow portion, the width The width of the narrow portion is shorter than the width of the outlet, the width of the wide portion is longer than the width of the outlet, and at least the lower blade of the upper blade and the lower blade is wider than the narrow portion.
  • a projecting portion extending from the upstream side to the downstream side and to the outside from the enlarged portion to the wide portion is provided near both ends of the lower blade. .
  • the blowing angle is changed by the right and left wind direction changing blades, and the air that is going to move forward as it moves away from the left and right blades is guided by the projections and guided to the outside, and the air can be blown out in a desired direction.
  • the lower blade has a wide portion whose width is longer than the width of the outlet, and an enlarged portion in which the width gradually increases from the narrow portion toward the wide portion.
  • a protrusion is formed so as to extend over the wide portion. Therefore, even if the angle of the right and left wind direction changing blades and the angle of the protrusion do not match, the protrusion does not hinder the blowing air. Therefore, in the air conditioner, it is possible to improve the performance of changing the left and right wind directions.
  • the upstream end of the projection is located downstream of the side wall of the outlet, and the downstream end of the projection is the blower from the upstream end. It is located outward in the width direction of the exit. Even when the angle of the right and left wind direction changing blades and the angle of the protrusions do not coincide with each other, the protrusions can be prevented from obstructing the blowing air.
  • the protrusion is formed to bulge forward from the upstream end toward the downstream end and smoothly draw an arc. As a result, it is possible to suppress the vortex shedding in the process of the blowing air from the upstream end to the downstream end, and to suppress the generation of noise.
  • the 5th invention is the air conditioner of 1st to 4th invention,
  • the said projection part is formed from two projection parts, an inner projection part and an outer projection part,
  • the said inner projection part and the said The distance between the outer protrusions is gradually increased from the upstream end toward the downstream end.
  • the longitudinal direction surface of the projection on the outlet side is from the upstream end toward the downstream end with respect to the surface of the up / down airflow direction changing blade.
  • the slope is gradually increased.
  • FIG. 1 shows the indoor unit of the air conditioner according to the present invention.
  • 2 shows a cross-sectional view of the indoor unit shown in FIG. 1
  • FIG. 3 shows a partial cross-sectional view taken along line AA in the indoor unit shown in FIG. .
  • the indoor unit 1 includes an exterior and a housing that are composed of a frame 2 for mounting on a wall, a front grill 3, and a front panel 4 attached to the front grill 3.
  • the indoor unit 1 includes a fan 6 for exchanging the indoor air taken in from the top opening 3 a and the front opening 3 b in the heat exchanger 5 and blowing it out into the room.
  • the upper blade 8 and the lower blade 9 (upper and lower airflow direction changing blades) that open and close the air outlet 7 that blows heat-exchanging air into the room and change the air blowing direction up and down, the upper surface opening 3a and the front surface opening 3b
  • a filter 11 is provided for removing dust contained in room air taken from the upper surface opening 3a and the front surface opening 3b.
  • the ventilation path 15 is configured to be surrounded by respective surfaces, with the rear case 2a of the underframe 2 as a bottom surface, the stabilizer 12a of the blowing grill 12 as a ceiling surface, and the side walls 12b of the blowing grill 12 as both side surfaces.
  • the outlet of the ventilation path 15 is a blower outlet 7. That is, in the indoor unit 1 of the present embodiment, the air outlet 7 is located at the edge of the side wall 12b on the downstream side in the blowing direction.
  • a plurality of left and right blades 10 are connected by a connecting bar 13 and can be rotated in the left-right direction.
  • a pair of left blades 10a positioned on the left side when viewed from the front of the indoor unit 1 and a right side blade 10 are positioned on the right side.
  • a pair of right blades 10b The left blade 10a and the right blade 10b are arranged in the ventilation path 15, and can be changed to the left and right by blowing the air to a desired angle in the left-right direction.
  • the upper blade 8 and the lower blade 9 are controlled to open, the air outlet 7 is opened, and the fan 6 is driven so that the room air passes through the front opening 3b and the upper opening 3a.
  • the taken-in room air exchanges heat with the heat exchanger 5, passes through the fan 6, passes through the ventilation path 15 formed on the downstream side of the fan 6, and is blown out from the outlet 7.
  • stabilizer located near the downstream of the fan 6, stabilizes the vortex generated near the front of the fan 6, and is located downstream of the stabilizer and conveyed by the fan 6. Although it can also be divided into the front wall portion of the diffuser responsible for air pressure recovery, these are collectively referred to as “stabilizer” in the present specification.
  • the lower blade 9 is supported by a drive shaft 9 a so as to be rotatable in the vertical direction, and the drive shaft 9 a is rotatably supported by both side walls 12 b of the blow grill 12 and the blow grill. 12 is driven to rotate by a drive motor (not shown) provided outside.
  • the width of the lower blade 9 (the length in the left-right direction in FIG. 3) is not constant.
  • the lower blades 9 are disposed between the narrow side portions 9b between the side walls 12b of the blowout grill 12 and the front sides of both sides of the blowout port 7 located above the narrow portion 9b when the air conditioner is stopped.
  • a wide portion 9 c that covers the grill 3.
  • the lateral width (the length in the left-right direction) of the narrow portion 9b is set slightly shorter than the lateral width of the air outlet 7, and the lateral width of the wide portion 9c is set longer than the lateral width of the air outlet 7.
  • the length between the side walls 12b is the lateral width of the air outlet 7.
  • the width of the upper blade 8 is not constant.
  • the upper blade 8 is supported by a drive shaft 8a so as to be rotatable in the vertical direction (see FIG. 1), and the drive shaft 8a is rotatably supported by both side walls 12b of the blowing grill 12.
  • the upper blade 8 is a connecting portion with the drive shaft 8a, and is located above the narrow portion 8b between the side walls 12b of the blow grill 12 and the narrow portion 8b when the air conditioner is stopped.
  • a wide portion 8c covering the front grille 3 on both sides.
  • the lateral width (length in the left-right direction) of the narrow portion 8 b is set slightly shorter than the lateral width of the blowout port 7, and the lateral width of the wide portion 8 c is set longer than the lateral width of the blowout port 7.
  • the blowing air is sandwiched between the lower blade 9, the upper blade 8, and the left and right side walls 12 b, and the wind direction is changed without leaking up, down, left and right. And blown out from the blowout port 7. Furthermore, on the outside (downstream side) of the air outlet 7, even if the blown air whose air direction has been changed to the left and right is blown further left and right than the left and right ends of the air outlet 7, the left and right side walls 12 b of the air outlet 7. In addition, it is possible to maintain the vertical and horizontal changing directions while suppressing the diffusion of the blowing air by the lower blade 9 and the upper blade 8 protruding outward.
  • the width of the wide portions 8c and 9c is It is set to be approximately equal to the body width of 1.
  • the wide part 8c, 9c of the upper blade 8 and the lower blade 9 is formed so as to protrude outward at least from the left and right side walls 12b of the air outlet 7, it is possible to suppress the blowing air from diffusing, The effect which maintains the up-and-down and left-right change direction of a blowing wind can be acquired.
  • the width of the wide portion 9 c of the lower blade 9 is set to be longer than the width of the air outlet 7.
  • the left and right portions protruding from the narrow portion 9 b are provided on the left and right sides on the surface that cannot be seen from the front of the indoor unit 1 when the lower blade 9 is closed.
  • Two protrusions 16 and 17 that extend outward are provided.
  • the protruding portion 16 and the protruding portion 17 have a smooth arc shape that bulges forward from the upstream ends 16a and 17a toward the downstream ends 16b and 17b.
  • the tangent line a and tangent line b that are in contact with the arcs of the upstream ends 16a and 17a set the angles of the protrusions 16 and 17 so that they are substantially equal to the angle when the left and right blades 10 are tilted to the right. .
  • the upstream end 16a of the protrusion 16 starts from the outside of the side wall 12b of the blowing grill 12. Further, the upstream ends 16a and 17a of the projections 16 and 17 are located downstream from the side wall 12b of the outlet 7, and the downstream ends 16b and 17b of the projections 16 and 17 are further outlets from the upstream ends 16a and 17a. 7 is located outward in the width direction
  • FIG. 3 shows a case where the left and right blades 10 which are left and right changing blades are set to the left blowing and the right blade 10b are set to the left blowing and the right blowing, and the enlarged view of FIG. is there.
  • the flow of air when the right and left blowing direction is set to the right side will be described with reference to this enlarged view.
  • the path of the air sent out by the fan 6 is indicated by the arrow c by the left and right blades 10 whose angles are set to the right. As shown on the right.
  • the angle of the air changed by the left and right blades 10 is smaller than the angle of the left and right blades 10 because the force by which the main flow of air moves forward is large. That is, even if the desired change angle of air is the same as the inclination angle of the left and right blades 10, the desired change angle cannot be obtained. Further, it is conceivable to increase the inclination angle of the left and right blades 10, but if it is increased, there is a limit that can be increased from the viewpoint of performance such as increased resistance when air is sent out and condensation during cooling operation. .
  • the upstream ends of the protrusions 16 and 17 are in the mainstream (arrow c) whose angle is changed by the left and right blades 10, and a part of the blown air is guided by the protrusions 16 and 17 to the right.
  • the angle is changed in the direction (arrow d).
  • the entrance angles of the upstream ends of the protrusions 16 and 17 are set to be approximately equal to the maximum inclination angle of the left and right blades 10, so that air can easily follow the protrusions 16 and 17.
  • a smooth arc is drawn from the upstream end toward the downstream end, the angle of the air path can be changed outward, and the change angle of air that cannot be obtained by the left and right blades 10 alone can be compensated.
  • the upstream ends of the protrusions 16 and 17 are set outside the side wall 12b of the outlet grill 12 (outside the outlet 7). Even if the direction is opposite to the inclination, the air does not hit the protrusions 16 and 17, so that air resistance does not occur.
  • 4 is a sectional view taken along the line BB (upstream side) of the protrusions 16 and 17 in FIG. 4
  • FIG. 6 is a sectional view taken along the line CC (downstream side) of the protrusions 16 and 17 in FIG. Show.
  • the interval between the protrusion 16 and the protrusion 17 is gradually increased from the upstream end toward the downstream end.
  • the relationship between the upstream interval L1 and the downstream interval L2 shown in FIGS. 5 and 6 is set to L1 ⁇ L2.
  • the surface on the air outlet 7 side (surface on the front surface side) of the protrusion 16 and the protrusion 17 gradually increases in inclination from the upstream end toward the downstream end (inclination toward the rear from the front surface side).
  • the relationship between the upstream side tilt angle ⁇ 1 and the downstream side tilt angle ⁇ 2 shown in FIGS. 5 and 6 is set to ⁇ 1 ⁇ 2.
  • the air helps to bend the direction of the air along the slope.
  • a slope 12c is provided at the outlet portion of the side wall 12b of the blowing grill 12, and is smoothly connected to the side wall 12b.
  • the lower blade 9 has a narrow width portion 9b located between both side walls 12b of the blowout port 7, a wide width portion 9c in front of the blowout port 7, and a width gradually from the narrow width portion 9b toward the wide width portion 9c. Is composed of a triangular area (enlarged portion) 9d that expands. The upstream ends of the protrusions 16 and 17 are disposed in the triangular area 9d.
  • the blowing air (arrow e) is blown along the inclined surface 12c, and the blowing angle becomes larger than when there is no inclined surface 12c.
  • positions the projection part 16 and the projection part 17 can be closely approached to the blower outlet 7 side. Therefore, the blowing air (arrow f) can be bent from a position closer to the air outlet 7, and as a result, the air blowing angle can be further increased.
  • a slope 12c is provided at the outlet portion of the side wall 12b of the blowout grill 12. Therefore, in this modification, the blower outlet 7 is located at the edge of both slopes 12c on the downstream side in the blowing direction (that is, the lower end of the slope 12c in FIG. 7), and the length between the edges of both slopes 12c is long.
  • Sag is the width of the air outlet 7.
  • the narrow portion 9b may be formed to be shorter than the lateral width of the air outlet 7; The narrow portion 9b may be formed between the inclined surfaces 12c.
  • the upper and lower airflow direction changing blades are composed of upper blades and lower blades, and the lower blades project a portion narrower than the width of the air outlet and a portion wider than the width of the air outlet at the end,
  • a blowing air guide is formed in the protruding portion to improve the performance of changing the vertical and horizontal air directions, and is useful as various air conditioners including air conditioners and air purifiers used in general households.

Abstract

Pour un climatiseur comprenant une unité d'intérieur équipée de pales de modification de direction d'air supérieure/inférieure, comprenant une pale supérieure et une pale inférieure, et d'une pale de modification de direction d'air gauche/droite, les pales de modification de direction d'air supérieure/inférieure comprennent chacune une partie étroite située entre les parois latérales de l'orifice d'évacuation et une partie large située à l'avant de la partie étroite. La largeur de la partie étroite est inférieure à la largeur de l'orifice d'évacuation, la largeur de la partie large est supérieure à la largeur de l'orifice d'évacuation et de la pale supérieure et de la pale inférieure, des parties en saillie qui s'étendent vers l'extérieur du côté amont vers le côté aval sont disposées sur au moins la pale inférieure près des deux extrémités de la partie large, ce qui permet d'améliorer la performance de modification de direction d'air gauche/droite.
PCT/JP2012/004206 2011-06-30 2012-06-28 Climatiseur WO2013001823A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011145182A JP4947227B1 (ja) 2011-06-30 2011-06-30 空気調和機
JP2011-145182 2011-06-30

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WO2013001823A1 true WO2013001823A1 (fr) 2013-01-03

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WO2014199590A1 (fr) * 2013-06-12 2014-12-18 パナソニックＩｐマネジメント株式会社 Appareil de conditionnement d'air
EP3086051A4 (fr) * 2013-12-20 2017-08-30 Mitsubishi Electric Corporation Climatiseur
CN112212410A (zh) * 2019-07-12 2021-01-12 夏普株式会社 空气调节机
EP4056908A4 (fr) * 2019-11-13 2022-12-21 GD Midea Air-Conditioning Equipment Co., Ltd. Unité intérieure de climatiseur et climatiseur

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JP5786850B2 (ja) * 2012-12-28 2015-09-30 ダイキン工業株式会社 天井設置型室内機
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CN210241763U (zh) * 2018-03-19 2020-04-03 三菱电机株式会社 空调装置的室内机以及空调装置
JP6926024B2 (ja) * 2018-03-30 2021-08-25 ダイキン工業株式会社 空気調和機の室内機
JP6700621B2 (ja) * 2018-03-30 2020-05-27 ダイキン工業株式会社 空気調和機の室内機
CN113310116A (zh) * 2020-02-26 2021-08-27 青岛海尔空调器有限总公司 壁挂式空调室内机及其导风板

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WO2014199590A1 (fr) * 2013-06-12 2014-12-18 パナソニックＩｐマネジメント株式会社 Appareil de conditionnement d'air
CN105264300A (zh) * 2013-06-12 2016-01-20 松下知识产权经营株式会社 空气调节机
JPWO2014199590A1 (ja) * 2013-06-12 2017-02-23 パナソニックＩｐマネジメント株式会社 空気調和機
CN105264300B (zh) * 2013-06-12 2018-09-28 松下知识产权经营株式会社 空气调节机
EP3086051A4 (fr) * 2013-12-20 2017-08-30 Mitsubishi Electric Corporation Climatiseur
CN112212410A (zh) * 2019-07-12 2021-01-12 夏普株式会社 空气调节机
EP4056908A4 (fr) * 2019-11-13 2022-12-21 GD Midea Air-Conditioning Equipment Co., Ltd. Unité intérieure de climatiseur et climatiseur

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