JP5194023B2 - Embedded ceiling air conditioner - Google Patents

Embedded ceiling air conditioner Download PDF

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Publication number
JP5194023B2
JP5194023B2 JP2009538154A JP2009538154A JP5194023B2 JP 5194023 B2 JP5194023 B2 JP 5194023B2 JP 2009538154 A JP2009538154 A JP 2009538154A JP 2009538154 A JP2009538154 A JP 2009538154A JP 5194023 B2 JP5194023 B2 JP 5194023B2
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Prior art keywords
air
louver
outlet
drain pan
decorative panel
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JP2009538154A
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JPWO2009054316A1 (en
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清 山口
秀一 中野
貴彦 向井
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Toshiba Carrier Corp
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Toshiba Carrier Corp
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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
    • 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
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • 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
    • F24F13/10—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/14—Details or features not otherwise provided for mounted on the ceiling

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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)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Description

本発明は、空気の吹出気流を調整して室内全体を均一に空調するとともに、ルーバの結露を防止する天井埋込型の空気調和機に関する。   The present invention relates to a ceiling-embedded air conditioner that adjusts the airflow of air to uniformly air-condition the entire room and prevents louver condensation.

この種の空気調和機は、そのユニット本体内に送風機及び熱交換器を備え、送風機の回転により室内空気を吸込口から吸い込み、この空気を熱交換器で熱交換させたのち、通風路を介して長方形状の吹出口から室内に吹き出すようになっている。   This type of air conditioner has a blower and a heat exchanger in its unit body, sucks indoor air from the suction port by rotation of the blower, heat-exchanges this air with the heat exchanger, and then passes through the ventilation path. The air is blown into the room from a rectangular outlet.

ユニット本体の下面側には化粧パネルが設けられ、この化粧パネルの中央部に吸込口が設けられている。また、化粧パネルの各辺に沿って吸込口を囲むように吹出口が配設され、これら吹出口には空気の吹出方向を偏向するためのルーバが回動自在に設けられている。   A decorative panel is provided on the lower surface side of the unit body, and a suction port is provided at the center of the decorative panel. In addition, air outlets are disposed along the sides of the decorative panel so as to surround the air inlet, and louvers for deflecting the air blowing direction are rotatably provided at these air outlets.

また、上記した熱交換器の下部側にはドレンパンが設けられ、このドレンパンにより熱交換器から落下するドレンを受けるとともに、その側壁外面により吹出口に連通する通風路の一部を形成するようにしている。   Further, a drain pan is provided on the lower side of the heat exchanger described above, and the drain pan receives the drain falling from the heat exchanger, and a part of the ventilation path communicating with the air outlet is formed by the outer surface of the side wall. ing.

しかしながら、従来においては、上記した化粧パネルの各辺に沿う吹出口からは空気を吹き出すことはできるが、化粧パネルのコーナ部からは空気を吹き出すことができず、室内の温度分布が不均一状態なるという問題があった。   However, conventionally, air can be blown out from the outlets along each side of the decorative panel described above, but air cannot be blown out from the corner portion of the decorative panel, and the temperature distribution in the room is not uniform. There was a problem of becoming.

そこで、近時においては、化粧パネルのコーナ部からも空気を吹き出すことができるようにコーナ部に吹出口を形成し、この吹出口にルーバを設けるものが開発されている（例えば、特開２００５−２４９３２８号公報参照。）。   Therefore, recently, there has been developed a device in which an air outlet is formed in the corner portion so that air can be blown out from the corner portion of the decorative panel, and a louver is provided in the air outlet (for example, Japanese Patent Application Laid-Open No. 2005-2005). No. -249328).

また、熱交換器を通過して通風路に沿って流れる空気は、遠心力を受けてドレンパンの側壁外面に離間対向する通風路の内壁面に沿って吹出口に達する。このため、ルーバの上面側での風量が多く、下面側での風量が少なくなり、特に、ルーバの長手方向両端部の下面側での風量が少なくなる。このように風量が少なくなることにより、周辺の高温多湿の室内空気を巻き込みやすくなり、ルーバが結露してしまうという問題があった。   Further, the air flowing along the ventilation path through the heat exchanger receives the centrifugal force and reaches the outlet along the inner wall surface of the ventilation path that is spaced from and opposed to the outer surface of the side wall of the drain pan. For this reason, the air volume on the upper surface side of the louver is large and the air volume on the lower surface side is reduced, and in particular, the air volume on the lower surface side at both longitudinal ends of the louver is reduced. By reducing the air volume in this manner, there is a problem that surrounding hot and humid room air is easily caught and the louver is condensed.

そこで、近時においては、例えば、特開平８−９４１６０号公報に開示されるように、吹出し空気をルーバの下面側に偏向させることにより、ルーバの結露を防止すものが開発されている。   Therefore, recently, as disclosed in, for example, Japanese Patent Application Laid-Open No. 8-94160, a device that prevents louver condensation by deflecting blown air toward the lower surface of the louver has been developed.

しかしながら、上記した特開２００５−２４９３２８号公報に開示されるものは、化粧パネルのコーナ部に特別に吹出口とルーバを追加するものであるため、構造的に複雑化し、コストが増大するという問題があった。   However, what is disclosed in Japanese Patent Application Laid-Open No. 2005-249328 described above is a problem that a blowout port and a louver are specially added to the corner portion of the decorative panel, so that the structure is complicated and the cost increases. was there.

また、上記した特開平８−９４１６０号公報に開示されるものは、通風路の構造を複雑に構成するものであるため、部品点数が増加しコスト高になるといった問題があった。   Moreover, since what is disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 8-94160 has a complicated structure for the ventilation path, there is a problem that the number of parts increases and the cost increases.

本発明は上記事情に着目してなされたもので、その目的とするところは、化粧パネルのコーナ部に特別に吹出口やルーバを追加することなく、室内の全方位に向けて熱交換空気を吹き出すことができ、また、簡単な構造でルーバの長手方向両端部の結露を防止できるようにした天井埋込型の空気調和機を提供することにある。   The present invention has been made paying attention to the above circumstances, and the object of the present invention is to provide heat exchange air toward all directions in the room without adding a special outlet or louver to the corner of the decorative panel. Another object of the present invention is to provide a ceiling embedded air conditioner that can be blown out and that can prevent condensation at both ends in the longitudinal direction of the louver with a simple structure.

上記の課題を解決するために、請求項１記載の天井埋込型の空気調和機は、熱交換器及び送風機を配設する筐体と、前記筐体の下部側に設けられ、中央部に設けられる吸込口及び前記吸込口を囲うように４ヶ所に配設される長方形状の吹出口を有する化粧パネルと、前記吹出口に回動自在に設けられ、前記吹出口から吹出される空気の吹出方向を偏向する長方形状のルーバと、前記送風機の回転により前記吸込口から吸い込まれる室内空気を前記熱交換器に導いてで熱交換させたのち、前記吹出口に導く断面長方形状の通風路とを具備し、前記通風路の吹出側開口端は、前記吹出口の長手方向の両端部を除く部位に対向し、前記ルーバの空気吹出方向に沿う幅寸法は、その長手方向中央部に対して両端部が狭く形成されると共に、前記化粧パネルの前記吹出口の長手方向の両端部には、凹陥部が形成され、これら凹陥部は前記吸込口を囲うように配置される。 In order to solve the above-described problem, the ceiling-embedded air conditioner according to claim 1 is provided on a lower side of the casing, in which a heat exchanger and a blower are disposed, and in a central portion. a decorative panel having a rectangular outlet being disposed in four locations so as to surround the suction port and the suction port is provided, rotatably mounted on the air outlet, the air discharged from the air outlet A rectangular louver that deflects the blowing direction, and an air passage having a rectangular cross section that guides the indoor air sucked from the suction port by rotation of the blower to the heat exchanger and then heat-exchanges the air to the blower outlet The blowout side opening end of the ventilation path is opposed to the portion excluding both ends in the longitudinal direction of the blowout port, and the width dimension along the air blowing direction of the louver is relative to the central portion in the longitudinal direction. with both end portions are formed narrower Te, the cosmetic Pas The both ends in the longitudinal direction of the air outlet of the Le, recessed portions are formed, these concave portions are disposed so as to surround the suction port.

本発明の一実施の形態である天井埋込式の空気調和機の室内ユニットを示す分解斜視図である。It is a disassembled perspective view which shows the indoor unit of the ceiling-embedded air conditioner which is one embodiment of this invention. 図１の室内ユニットを示す断面図である。It is sectional drawing which shows the indoor unit of FIG. 図２の室内ユニットの化粧パネルを示す図である。It is a figure which shows the decorative panel of the indoor unit of FIG. 図３の化粧パネルの吹出口に取り付けられるルーバを示す斜視図である。It is a perspective view which shows the louver attached to the blower outlet of the decorative panel of FIG. 図４のルーバが化粧パネルの吹出口に取り付けられた状態を示す平面図である。It is a top view which shows the state in which the louver of FIG. 4 was attached to the blower outlet of the decorative panel. 図４のルーバによって案内される空気の流れを示す斜視図である。It is a perspective view which shows the flow of the air guided by the louver of FIG. 図２の室内ユニットから吹き出される空気の流れを示す図である。It is a figure which shows the flow of the air which blows off from the indoor unit of FIG. 図３の化粧パネルの吹出口に設けられるルーバを示す図である。It is a figure which shows the louver provided in the blower outlet of the decorative panel of FIG. 図２の化粧パネルの吹出口とドレンパン凹陥部との寸法関係を示す図である。It is a figure which shows the dimensional relationship of the blower outlet and drain pan recessed part of the decorative panel of FIG. 図３の化粧パネルに形成される空気案内用の凹陥部を示す図である。It is a figure which shows the recessed part for air guidance formed in the decorative panel of FIG. 本発明の他の実施の形態であるルーバ及び吹出口を示す図である。It is a figure which shows the louver and blower outlet which are other embodiment of this invention. 本発明の他の実施の形態である化粧パネルを示す図である。It is a figure which shows the decorative panel which is other embodiment of this invention. 本発明の他の実施の形態であるドレンパンの一部を示す斜視図である。It is a perspective view which shows a part of drain pan which is other embodiment of this invention. 図１３のドレンパンから通風路へ流入する空気の流れを示す図である。It is a figure which shows the flow of the air which flows in into a ventilation path from the drain pan of FIG. 図１３のドレンパンの側壁外面に沿って吹き出される空気の流れを示す図である。It is a figure which shows the flow of the air which blows off along the side wall outer surface of the drain pan of FIG. 図１のルーバの上面側、及び下面側に沿って吹き出される空気の流れを示す図である。It is a figure which shows the flow of the air which blows off along the upper surface side and lower surface side of the louver of FIG. 本発明のさらに他の実施の形態であるドレンパンの一部を示す斜視図である。It is a perspective view which shows a part of drain pan which is further another embodiment of this invention. 図１７のドレンパンから流通路に流入する空気の流れを示す図である。It is a figure which shows the flow of the air which flows in into a flow path from the drain pan of FIG. 図１７のドレンパンの上面部に角部を形成しなかった場合の空気の流れを示す図である。It is a figure which shows the flow of the air at the time of not forming a corner | angular part in the upper surface part of the drain pan of FIG.

以下、本発明の実施の形態を図面を参照して詳細に説明する。
(第１の実施例)
図１は本発明の一実施の形態である天井埋込型の空気調和機の室内ユニット１を示す分解斜視図で、図２は天井１１に取り付けられた状態を示す図である。Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
(First embodiment)
FIG. 1 is an exploded perspective view showing an indoor unit 1 of a ceiling-embedded air conditioner according to an embodiment of the present invention, and FIG. 2 is a view showing a state where the indoor unit 1 is attached to a ceiling 11.

室内ユニット１は筐体１ａを備え、この筐体１ａ内の略中央部には送風機としてのターボファン３が設けられている。また、筐体１ａ内にはターボファン３の外周部を囲むように室内熱交換器２が立設され、この室内熱交換器２の下端部側にはドレンパン４が設けられている。ドレンパン４の側壁外面部には、ドレンパン凹陥部４ａが形成されている。このドレンパン凹陥部４ａは、後述する化粧パネル５に設けられる吹出口１２に連通し、通風路２０の一部を構成するようになっている。   The indoor unit 1 includes a housing 1a, and a turbo fan 3 as a blower is provided in a substantially central portion of the housing 1a. An indoor heat exchanger 2 is erected so as to surround the outer periphery of the turbofan 3 in the housing 1a, and a drain pan 4 is provided on the lower end side of the indoor heat exchanger 2. A drain pan recessed portion 4 a is formed on the outer surface of the side wall of the drain pan 4. The drain pan recessed portion 4a communicates with an air outlet 12 provided in the decorative panel 5 described later, and constitutes a part of the ventilation path 20.

筐体１ａの下端面側には化粧パネル５が設けられ、この化粧パネル５の略中央部には、ターボファン３に離間対向する状態で吸込口としての吸込グリル７が設けられている。吸込グリル７の上面側にはフィルタ８が設けられている。   A decorative panel 5 is provided on the lower end surface side of the housing 1a, and a suction grille 7 is provided at a substantially central portion of the decorative panel 5 as a suction port in a state of being opposed to the turbo fan 3 in a separated state. A filter 8 is provided on the upper surface side of the suction grill 7.

また、化粧パネル５の４辺部には図３にも示すように吸込グリル７を囲むように長方形状をなす吹出口１２が配設され、これら吹出口１２と吸込グリル７とは通風路２０を介して連通されている。吹出口１２には空気の吹出方向を変更するためのルーバ１４がそれぞれ配設されている。   Further, as shown in FIG. 3, a rectangular air outlet 12 is disposed on the four sides of the decorative panel 5 so as to surround the air inlet grill 7. The air outlet 20 and the air inlet grill 7 are connected to the air passage 20. It is communicated through. A louver 14 for changing the air blowing direction is disposed at each of the air outlets 12.

上記した構成において、図２に示すようにターボファン３が回転されると、室内空気が矢印で示すように、化粧パネル５の吸込グリル７およびフィルタ８を介して吸い込まれる。この吸い込まれた空気は通風路２０に沿って室内熱交換器２に案内され、室内熱交換器２を通過することにより熱交換される。そして、この熱交換された空気は、ドレンパン凹陥部４ａを介して化粧パネル５の吹出口１２へと送られ室内へ吹出される。   In the above-described configuration, when the turbo fan 3 is rotated as shown in FIG. 2, the indoor air is sucked through the suction grille 7 and the filter 8 of the decorative panel 5 as indicated by arrows. The sucked air is guided to the indoor heat exchanger 2 along the ventilation path 20, and heat is exchanged by passing through the indoor heat exchanger 2. Then, the heat-exchanged air is sent to the blower outlet 12 of the decorative panel 5 through the drain pan recess 4a and blown out into the room.

ところで、上記したルーバ１４は、図４にも示すように長方形状をなし、その長手方向の両端部１４ｂの幅寸法（空気吹出方向の寸法）は、中央部１４ａの幅寸法（空気吹出方向の寸法）よりも徐々に狭くなるように形成されている。ルーバ１４の両端面にはピン体１４ｃが突設されている。   Incidentally, the louver 14 has a rectangular shape as shown in FIG. 4, and the width dimension (the dimension in the air blowing direction) of the both ends 14b in the longitudinal direction is the width dimension (the dimension in the air blowing direction) of the central part 14a. It is formed to be gradually narrower than (dimension). Pin bodies 14 c are projected from both end faces of the louver 14.

ルーバ１４は吹出口１２の両端内壁部の取付口（図示しない）内にそのピン体１４ｃを回動自在に嵌合することにより取り付けられるようになっている。また、ルーバ１４は、図５に示すようにその中央部１４ａの幅寸法ｈが吹出口１２の幅寸法Ｈの８割以上の寸法を有するように形成されている。   The louver 14 is attached by fitting the pin body 14c in a mounting opening (not shown) on both inner walls of the air outlet 12 so as to be rotatable. Further, the louver 14 is formed such that the width dimension h of the central portion 14a thereof is 80% or more of the width dimension H of the outlet 12 as shown in FIG.

また、吹出口１２の長手方向の両端部側には、ブロック又は遮風板等の閉塞部材１０が設けられている。ルーバ１４によって吹出口１２の長手方向の両端部側に導かれた空気は、閉塞部材１０によって下方(居住域)に流下しないように規制され、コールドドラフトを防止できるようになっている。   Further, a closing member 10 such as a block or a wind shielding plate is provided on both ends in the longitudinal direction of the air outlet 12. The air guided to both ends in the longitudinal direction of the air outlet 12 by the louver 14 is restricted by the closing member 10 so as not to flow downward (residence area), so that a cold draft can be prevented.

上記したようにルーバ１４が構成されることにより、ルーバ１４が水平状態(閉じ気味の角度)に回動すると、ルーバ１４と吹出口１２との間の隙間はルーバ１４の中央部１４ａよりも両端部１４ｂで大きくなる。   As described above, when the louver 14 is configured, when the louver 14 rotates in a horizontal state (closed angle), the gap between the louver 14 and the air outlet 12 is closer to both ends than the central portion 14a of the louver 14. It becomes large at the part 14b.

従って、通風路２０から吹出口１２に吹き出される空気は、図６に示すようにルーバ１４の前方のみならずルーバ１４の左右方向（長手方向）にも誘導され、図７に示すように化粧パネル５の四辺部のみならず、コーナ部からも矢印１３で示すように空気が吹き出されることになる。これにより、空気を広範囲に渡って吹き出すことができ、簡単な構成で室内全体を均一に空調することが可能となる。   Accordingly, the air blown out from the ventilation path 20 to the outlet 12 is guided not only in front of the louver 14 but also in the left-right direction (longitudinal direction) of the louver 14 as shown in FIG. Air is blown out not only from the four sides of the panel 5 but also from the corner as indicated by the arrow 13. As a result, air can be blown over a wide range, and the entire room can be uniformly air-conditioned with a simple configuration.

また、ルーバ１４は、略水平状態に回動されたときには、図８に示すように、その空気吹出方向の下流側が幅寸法ｈの略２／５以上、吹出口１２の下端１２ａから下方に突出する状態になるように取り付けられている。このときルーバ１４の両端部１４ｂも吹出口１２の下端１２ａから下方に突出する。   Further, when the louver 14 is rotated in a substantially horizontal state, as shown in FIG. 8, the downstream side in the air blowing direction protrudes downward from the lower end 12a of the outlet 12 by about 2/5 or more of the width dimension h. It is attached to be in a state to do. At this time, both end portions 14 b of the louver 14 also protrude downward from the lower end 12 a of the outlet 12.

これにより、より一層良好に空気を前方に流すとともに、ルーバ１４の左右方向(長手方向)にも案内できる。   As a result, the air can be made to flow better forward and guided in the left-right direction (longitudinal direction) of the louver 14.

また、図９に示すように、通風路２０の吹出側開口端となるドレンパン凹陥部４ａの下端４ｂの長手方向の寸法は、吹出口１２の長手方向の寸法よりも小さく形成されている。これにより、ドレンパン凹陥部４ａの長手方向の両端部を流れる空気が、矢印で示すようにドレンパン下端壁４ｃに沿って流れ、空気を吹出口１２の長手方向の両端部に向かって案内できる。   Further, as shown in FIG. 9, the longitudinal dimension of the lower end 4 b of the drain pan recessed part 4 a that becomes the outlet side opening end of the ventilation path 20 is smaller than the longitudinal dimension of the outlet 12. Thereby, the air which flows through the both ends of the longitudinal direction of the drain pan recessed part 4a flows along the drain pan lower end wall 4c as shown by the arrow, and can guide air toward the both ends of the longitudinal direction of the blower outlet 12.

また、化粧パネル５の吹出口１２の長手方向の両端内壁部には図９、図１０に示すように、それぞれ凹陥部５ａが形成されている。これら凹陥部５ａは吸込グリル７の全周を囲うように配置されている。これにより、吹出口１２の長手方向の両端部側から吹き出される空気を凹陥部５ａによって化粧パネル５のコーナ部へとスムーズに案内できるようになっている。   Moreover, as shown in FIG. 9, FIG. 10, the recessed part 5a is formed in the both-ends inner wall part of the longitudinal direction of the blower outlet 12 of the decorative panel 5, respectively. These recessed portions 5 a are arranged so as to surround the entire circumference of the suction grill 7. Thereby, the air which blows off from the both ends side of the longitudinal direction of the blower outlet 12 can be smoothly guided to the corner part of the decorative panel 5 by the recessed part 5a.

(第２の実施例)
図１１は、本発明の第２の実施の形態を示すものである。(Second embodiment)
FIG. 11 shows a second embodiment of the present invention.

上記した第１の実施の形態では、ルーバ１４の両端部１４ｂの幅寸法を中央部１４ａの幅寸法よりも狭くしたが、この第２の実施の形態では、吹出口２１をその中央部から両端に向かって幅広になるように形成している。この吹出口２１内に幅寸法を長手方向の全体に渡って等しくするルーバ２２が配置されている。また、吹出口２１の両端部には吹き出される空気が下方に流下することを規制する遮蔽部材２３が設けられている。   In the first embodiment described above, the width dimension of both end portions 14b of the louver 14 is made narrower than the width dimension of the center portion 14a. However, in this second embodiment, the air outlet 21 is connected to both ends from the center portion. It is formed to become wider toward A louver 22 having a width dimension equal throughout the longitudinal direction is disposed in the air outlet 21. Moreover, the shielding member 23 which regulates that the air blown off flows down in the both ends of the blower outlet 21 is provided.

この第２の実施の形態によれば、ルーバ１４が水平位置(閉じ気味の角度)に回動されることにより、吹出口２１の中央部の風量を減らし、両端部の風量を増やすことができる。これにより、ルーバ１４の左右方向にも空気を誘導して吹き出すことが可能となり、上記した第１の実施の形態と同様の効果を得ることができる。   According to the second embodiment, the louver 14 is rotated to the horizontal position (closed angle), thereby reducing the air volume at the center of the air outlet 21 and increasing the air volume at both ends. . Thereby, it becomes possible to guide and blow out air also in the left-right direction of the louver 14, and it is possible to obtain the same effect as in the first embodiment.

また、図１２に示すように、化粧パネル５の側枠部に切欠部５ｂを任意の方向に沿って形成し、凹陥部５ａによって導かれてくる空気を切欠部５ｂによって任意の方向に誘導するようにしてもよい。   Further, as shown in FIG. 12, a cutout portion 5b is formed in the side frame portion of the decorative panel 5 along an arbitrary direction, and air guided by the recessed portion 5a is guided in an arbitrary direction by the cutout portion 5b. You may do it.

これによれば、従来、吹出が困難であった横又は斜め横方向へ風の吹出を確実に行なうことができる。   According to this, it is possible to reliably blow the wind in the lateral or oblique lateral direction, which has conventionally been difficult to blow out.

(第３の実施例)
図１３〜図１６は、本発明の第３の実施の形態を示すものである。(Third embodiment)
13 to 16 show a third embodiment of the present invention.

図１３はドレンパン４の一部を示す斜視図で、図１４はその側断面図である。   FIG. 13 is a perspective view showing a part of the drain pan 4, and FIG. 14 is a side sectional view thereof.

ドレンパン４の側壁上面部には、所定間隔を存して一対の突部２５、２５が上方に向かって突設されている。これら一対の突部２５、２５は、吹出口１２の長手方向両端部の上方部側に位置されている。なお、ドレンパン４の上面部及び内壁面部には、樹脂１３がコーテンィングされており、突部２５、２５は樹脂１３により一体的に形成されている。   A pair of protrusions 25, 25 protrude upward from the upper surface of the side wall of the drain pan 4 with a predetermined interval. The pair of protrusions 25, 25 are located on the upper side of the longitudinal ends of the air outlet 12. In addition, the resin 13 is coated on the upper surface portion and the inner wall surface portion of the drain pan 4, and the protrusions 25 and 25 are integrally formed of the resin 13.

室内熱交換器２で熱交換された空気の一部は、図１４に示すように、ドレンパン４の内壁面に沿って上昇する。この上昇する空気はドレンパン４の側壁上面部に至ると、図１３に示すようにその中央部側の空気は、向きを矢印ａで示すように水平方向に変更してドレンパン凹陥部４ａ内に流入する。また、上昇する空気の両側部側の空気は、矢印ｂで示すようにそのまま突部２５、２５の内面側に沿って上昇したのち向きを変更して、図１４に示すようにドレンパン凹陥部４ａ内に流入する。   A part of the air heat-exchanged by the indoor heat exchanger 2 rises along the inner wall surface of the drain pan 4 as shown in FIG. When the rising air reaches the upper surface of the side wall of the drain pan 4, as shown in FIG. 13, the air on the center side changes into the horizontal direction as shown by the arrow a and flows into the drain pan recessed portion 4a. To do. Further, the air on both sides of the rising air rises along the inner surfaces of the protrusions 25 and 25 as indicated by the arrow b, and then changes its direction, so that the drain pan recess 4a as shown in FIG. Flows in.

図１４に示す空気の流れにより、突部２５，２５の外面側のエリア１７に負圧が発生し、気流の渦が形成される。この気流の渦により、ドレンパン凹陥部４ａの長手方向両端部側に流入される空気は、図１５に示すようにドレンパン凹陥部４ａの垂直壁面４ｃに貼り付くように流れたのち、図１６に示すように吹出口１２の内側壁面１２ａに貼り付くように流れて吹き出される。   Due to the air flow shown in FIG. 14, negative pressure is generated in the area 17 on the outer surface side of the protrusions 25, 25, and airflow vortices are formed. Due to the vortex of the air flow, the air that flows into the both ends in the longitudinal direction of the drain pan recess 4a flows so as to stick to the vertical wall surface 4c of the drain pan recess 4a as shown in FIG. Thus, it flows and blows out so that it sticks to the inner wall surface 12a of the blower outlet 12.

これにより、ルーバ１４の長手方向両端部の上面側に沿って流れる気流１５の風速が弱められ、ルーバ１４の長手方向両端部の下面側に沿って流れる気流１６の風速が強められる。   Thereby, the wind speed of the airflow 15 flowing along the upper surface side of the longitudinal direction both ends of the louver 14 is weakened, and the wind speed of the airflow 16 flowing along the lower surface side of the longitudinal direction both ends of the louver 14 is increased.

従って、ルーバ１４の上面側の温度と下面側の温度差を均衡させることができ、植毛等の部品を設けることなく、簡単な構成で特定箇所に着いたルーバ１４の結露状態を緩和することができる。   Therefore, the temperature difference between the upper surface side and the lower surface side of the louver 14 can be balanced, and the dew condensation state of the louver 14 that arrives at a specific location can be reduced with a simple configuration without providing parts such as flocking. it can.

なお、ルーバ１４の長手方向両端部１４ｂの吹出方向上流側には、図３に示すように切欠部１４ｅが形成されている。この切欠部１４ｅの形成により、ルーバ１４の長手方向両端部の下面側へ吹出し空気がより一層流れ易くなり、ルーバ１４の両端部での結露をより確実に防止することができるようになっている。   In addition, as shown in FIG. 3, the notch part 14e is formed in the blowing direction upstream of the longitudinal direction both ends 14b of the louver 14. As shown in FIG. By forming the notches 14e, the blown air is more likely to flow to the lower surface sides of both ends in the longitudinal direction of the louver 14, and condensation at both ends of the louver 14 can be more reliably prevented. .

（第４の実施例）
図１７及び図１８は、本発明の第４の実施の形態を示すものである。(Fourth embodiment)
17 and 18 show a fourth embodiment of the present invention.

上記した第３の実施の形態では、ドレンパン４に突部２５，２５を突設して吹出空気の流れ方向きを調整したが、第４の実施の形態では、ドレンパン４の側壁上面の両端部に角部２６ａ，２６ａを形成し、中央部に湾曲部２６ｂを形成している。   In the third embodiment described above, the protrusions 25 and 25 are provided on the drain pan 4 to adjust the flow direction of the blown air. In the fourth embodiment, both end portions of the upper surface of the side wall of the drain pan 4 are adjusted. The corners 26a, 26a are formed in the central portion, and the curved portion 26b is formed in the central portion.

室内熱交換器２で熱交換された空気の一部は、図１８に示すように、ドレンパン４の側壁内面部に沿って上昇する。この上昇する空気はドレンパン４の側壁上端部に至ると、図１７に示すように中央部側の空気は、その向きを矢印ａで示すように湾曲部２６ｂに沿って水平方向に変更してドレンパン凹陥部４ａ内に流入する。また、このとき、上昇する空気の両側部側は、矢印ｂで示すようにそのまま角部２６ａ、２６ｂに沿って上昇したのち図１８に示すように向きを変更してドレンパン凹陥部４ａ内に流入する。   A part of the air exchanged by the indoor heat exchanger 2 rises along the inner surface of the side wall of the drain pan 4 as shown in FIG. When this rising air reaches the upper end of the side wall of the drain pan 4, as shown in FIG. 17, the air on the center side changes its direction in the horizontal direction along the curved portion 26b as shown by the arrow a. It flows into the recessed portion 4a. Further, at this time, both sides of the rising air rise as they are along the corners 26a and 26b as shown by the arrow b and then change the direction as shown in FIG. 18 and flow into the drain pan recess 4a. To do.

図１８に示す空気の流れにより、ドレンパン４の側壁上端部の近傍エリア１８に負圧が発生し、気流の渦が形成される。この気流の渦により、ドレンパン凹陥部４ａ内の両側部側に流入された空気は、図１８に示すようにドレンパン凹陥部４ａの垂直壁面４ｃに貼り付くように流れたのち、図１６に示すように吹出口１２の内壁面１２ａ側に貼り付くように流れて吹き出される。   Due to the air flow shown in FIG. 18, a negative pressure is generated in the area 18 near the upper end of the side wall of the drain pan 4, and an air current vortex is formed. As shown in FIG. 16, the air that has flowed into both sides of the drain pan recess 4a by the vortex of the airflow flows to stick to the vertical wall surface 4c of the drain pan recess 4a as shown in FIG. The air flows so as to stick to the inner wall surface 12a side of the air outlet 12 and is blown out.

これにより、ルーバ１４の長手方向両端部の上面側に沿って流れる気流１５の風速が弱められ、ルーバ１４の長手方向両端部の下面側に沿って流れる気流１６の風速が強められる。   Thereby, the wind speed of the airflow 15 flowing along the upper surface side of the longitudinal direction both ends of the louver 14 is weakened, and the wind speed of the airflow 16 flowing along the lower surface side of the longitudinal direction both ends of the louver 14 is increased.

従って、ルーバ１４の上面側の温度と下面側の温度差を均衡させることができ、特定箇所に着いたルーバ１４の結露状態を緩和することができ、植毛レスのルーバ１４を提供することが可能となる。   Therefore, the temperature difference between the upper surface side and the lower surface side of the louver 14 can be balanced, and the dew condensation state of the louver 14 that has arrived at a specific location can be alleviated, and a flocking-free louver 14 can be provided. It becomes.

図１９は、ドレンパン４の側壁上端部側に角部２６ａを設けなかった場合における吹出空気の流れを示すものである。   FIG. 19 shows the flow of blown air when the corner portion 26 a is not provided on the side wall upper end portion side of the drain pan 4.

この場合には、ドレンパン凹陥部４ａ内に流入される空気の流れに渦流が発生しないため、吹出空気はドレンパン凹陥部４ａの垂直壁面４ｃと対向する外側の内壁面２０ａに貼りつくように流れて吹出口１２に吹き出される。   In this case, since no vortex is generated in the flow of air flowing into the drain pan recess 4a, the blown air flows so as to stick to the outer inner wall surface 20a facing the vertical wall surface 4c of the drain pan recess 4a. It blows out to the blower outlet 12.

従って、ルーバ１４の上面側に沿って流れる気流の風速が強められ、ルーバ１４の下面側に沿って流れる気流の風速が弱められる。よって、ルーバ１４の上面側の温度と下面側の温度差を均衡させることができず、ルーバ１４の結露状態を緩和することができないものとなる。   Therefore, the wind speed of the airflow flowing along the upper surface side of the louver 14 is increased, and the wind speed of the airflow flowing along the lower surface side of the louver 14 is decreased. Therefore, the temperature difference between the upper surface side and the lower surface side of the louver 14 cannot be balanced, and the dew condensation state of the louver 14 cannot be relaxed.

なお、この発明は、上述した実施の形態そのままに限定されるものではなく、実施段階ではその要旨を逸脱しない範囲で構成要素を変形して具体化できる。また、上述した実施の形態に開示されている複数の構成要素の適宜な組み合わせにより種々の発明を形成できる。例えば、上述した実施の形態に示される全構成要素から幾つかの構成要素を削除しても良い。更に、異なる実施の形態に亘る構成要素を適宜組み合わせても良い。   Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments. For example, you may delete some components from all the components shown by embodiment mentioned above. Furthermore, you may combine the component covering different embodiment suitably.

本発明は、ルーバ１４の長手方向の両端部１４ｂの幅寸法を、中央部１４ａの幅寸法よりも徐々に狭くなるように形成するだけで、化粧パネル５の四辺部のみならず、コーナ部からも空気を吹き出すことができ、簡単な構成で、室内全体を均一に空調することが可能となる。   In the present invention, the width dimension of both end portions 14b in the longitudinal direction of the louver 14 is formed so as to be gradually narrower than the width dimension of the central portion 14a, and not only from the four sides of the decorative panel 5 but also from the corner portion. The air can be blown out, and the entire room can be air-conditioned uniformly with a simple configuration.

また、ドレンパン４の側壁上面部には、所定間隔を存して一対の突部２５、２５が上方に向かって突設するだけで、ルーバ１４の長手方向両端部の下面側に沿って流れる気流１６の風速を強めてルーバ１４の上面側の温度と下面側の温度差を均衡させることができる。従って、植毛等の部品を設けることなく、簡単な構成で特定箇所に着いたルーバ１４の結露状態を緩和することができる。   In addition, the airflow that flows along the lower surface side of both end portions in the longitudinal direction of the louver 14 is simply provided on the upper surface portion of the side wall of the drain pan 4 with a predetermined distance between the pair of protrusions 25, 25 protruding upward. By increasing the wind speed of 16, the temperature difference between the upper surface side and the lower surface side of the louver 14 can be balanced. Therefore, the dew condensation state of the louver 14 that arrives at a specific location can be reduced with a simple configuration without providing parts such as flocking.

Claims (2)

熱交換器及び送風機を配設する筐体と、
前記筐体の下部側に設けられ、中央部に設けられる吸込口及び前記吸込口を囲うように４ヶ所に配設される長方形状の吹出口を有する化粧パネルと、
前記吹出口に回動自在に設けられ、前記吹出口から吹出される空気の吹出方向を偏向する長方形状のルーバと、
前記送風機の回転により前記吸込口から吸い込まれる室内空気を前記熱交換器に導いてで熱交換させたのち、前記吹出口に導く断面長方形状の通風路と
を具備し、
前記通風路の吹出側開口端は、前記吹出口の長手方向の両端部を除く部位に対向し、
前記ルーバの空気吹出方向に沿う幅寸法は、その長手方向中央部に対して両端部が狭く形成されると共に、
前記化粧パネルの前記吹出口の長手方向の両端部には、凹陥部が形成され、これら凹陥部は前記吸込口を囲うように配置されることを特徴とする天井埋込型の空気調和機。A housing in which a heat exchanger and a blower are disposed;
A decorative panel provided on the lower side of the housing, and having a suction port provided at a central portion and rectangular outlets disposed at four locations so as to surround the suction port;
A rectangular louver that is rotatably provided at the air outlet and deflects the air blowing direction from the air outlet;
After introducing the indoor air sucked from the suction port by the rotation of the blower to the heat exchanger to exchange heat, the cross-sectionally shaped rectangular ventilation passage leading to the blowout port is provided.
The blowout side opening end of the ventilation path is opposed to a portion excluding both ends in the longitudinal direction of the blowout outlet,
The width dimension along the air blowing direction of the louver is formed such that both end portions are narrower than the longitudinal central portion,
The ceiling-embedded air conditioner is characterized in that recessed portions are formed at both longitudinal ends of the air outlet of the decorative panel, and the recessed portions are disposed so as to surround the suction port. 前記ルーバは空気の吹出方向を水平方向に偏向する場合には、その少なくとも吹出方向下流側が前記吹出口から下方に突出することを特徴とする請求項１記載の天井埋込型空気調和機。  2. The ceiling-embedded air conditioner according to claim 1, wherein, when the louver deflects the air blowing direction in the horizontal direction, at least a downstream side in the blowing direction protrudes downward from the air outlet.
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