JPH09273801A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate an increase in draft resistance even in the case of being provided in a duct system and surely conduct a dew condensation water produced on an upper block plate to a drain pan for draining. SOLUTION: Provided in a body enclosed by a body outer plate 1 are two heat exchangers 2 and a blower 7 so that air is sucked from an air intake port 5 in a lower portion of the body and is blown out of an outlet 6 in an upper portion of the body. The heat exchangers 2 of an air conditioner are arranged in an inverted V-shaped configuration with upper sides thereof contacted with each other and lower sides thereof spaced away from each other. Further, an opening angle included between the two heat exchangers 2 is set to range within 60 degrees.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、クリーンルーム等
の内部熱負荷に対し、冷却する目的の空気調和機に関
し、特にダクト系内に配設されても通風抵抗が大きくな
らず、上部ふさぎ板にて結露する結露水を確実にドレン
パンに導き排水するようにした空気調和機に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner for cooling an internal heat load of a clean room or the like, and particularly when installed in a duct system, the ventilation resistance does not become large and an upper cover plate is provided. The present invention relates to an air conditioner that surely guides condensed water that condenses to a drain pan and drains it.

【０００２】[0002]

【従来の技術】従来、クリーンルーム等の内部熱負荷に
対し、冷却する目的でダクト系内に配設される空気調和
機は、断面をダクト形状などに合わせてほぼ正方形に構
成し、空気調和機本体下方の空気吸い込み口より空気を
吸い込み、本体内で熱交換した後、上方の吹出口から吹
き出す構成としている。この従来の一実施例を図３に示
す。この空気調和機は断面がほぼ正方形の本体外板１に
て囲まれ、その内部に熱交換器２を互いに対向して平行
に配設配置し、この各熱交換器２内に、その一端の入口
３から冷水を供給し、他端の出口４から排水すると共
に、送風機７にて空気吸込口５より吸い込まれた空気を
熱交換器を通過させて所望の熱交換をさせた後、空気吹
出口から吹き出すようにしている。さらに吸い込まれた
空気は確実に熱交換器を通過するよう対向する２つの熱
交換器の両側面には側面ふさぎ板１１を、上部には上部
ふさぎ板１０をそれぞれ配設している。また、上部ふさ
ぎ板に結露した結露水を落下排水するためにドレンパン
９が熱交換器２の下部に配設されている。そして送風機
７は送風機駆動用電動機８にて駆動される。なお、図示
されていないが吸込ダクト、吹出ダクトが前記吸込口、
吹出口に係止されている。2. Description of the Related Art Conventionally, an air conditioner disposed in a duct system for the purpose of cooling against an internal heat load in a clean room or the like has an approximately square section in accordance with the duct shape, etc. Air is sucked in through the air intake port below the main body, heat is exchanged in the main body, and then blown out through the upper outlet. An example of this conventional example is shown in FIG. This air conditioner is surrounded by a main body outer plate 1 having a substantially square cross section, inside which heat exchangers 2 are arranged in parallel so as to face each other. Cold water is supplied from the inlet 3 and drained from the outlet 4 at the other end, and the air sucked by the blower 7 from the air suction port 5 is passed through a heat exchanger for desired heat exchange and then blown with air. I try to blow out from the exit. Further, the side air blocking plates 11 are arranged on both side surfaces of the two heat exchangers facing each other so that the sucked air surely passes through the heat exchanger, and the upper air blocking plate 10 is arranged on the upper side. Further, a drain pan 9 is arranged below the heat exchanger 2 in order to drop and drain the condensed water that has condensed on the upper cover plate. The blower 7 is driven by the blower driving electric motor 8. Although not shown, the suction duct and the blowout duct are the suction port,
It is locked to the outlet.

【０００３】[0003]

【発明が解決しようとする課題】上記従来の空気調和機
には、吸込口５から吸い込まれた空気は熱交換器５を通
過し、冷却空気となって送風機７により吹出口６から吹
き出される。ここで、上部ふさぎ板１０は熱交換器２に
より冷却されるため、吸込空気温度が高温多湿の場合、
吸込口５に対向した面に結露を生じ、結露水が下方の空
気吸込口内に落下し、吸込口５に接続したダクト内に水
が溜まるという問題がある。また、熱交換器２と外板１
の隙間ａが狭いため、通風抵抗が大きくなり送風機が大
型化し、騒音も大きくなるという問題があった。ここ
で、前記熱交換器２と外板１との隙間ａの寸法を広くす
るよう熱交換器２を中央部に配設する方法も提案されて
いるが、この場合は、各熱交換器の下方に配設した２つ
のドレンパン９同士の間隔ｂの寸法が狭くなり、この間
隔ｂの寸法部の通風抵抗が大となってしまうという問題
点があった。本発明は、上記従来の空気調和機の有する
問題点を解決し、特に本体を小型化し、結露水に対して
も対応できるようにした空気調和機を提供することを目
的とする。In the above-mentioned conventional air conditioner, the air sucked from the suction port 5 passes through the heat exchanger 5, becomes cooling air, and is blown out from the blowout port 6 by the blower 7. . Here, since the upper blocking plate 10 is cooled by the heat exchanger 2, when the suction air temperature is high in temperature and humidity,
There is a problem that dew condensation occurs on the surface facing the suction port 5, the dew condensation water falls into the lower air suction port, and water is accumulated in the duct connected to the suction port 5. Also, the heat exchanger 2 and the outer plate 1
Since the gap a is narrow, there is a problem that the ventilation resistance becomes large, the blower becomes large, and the noise becomes large. Here, a method has also been proposed in which the heat exchanger 2 is arranged in the central portion so that the size of the gap a between the heat exchanger 2 and the outer plate 1 is widened. There has been a problem that the dimension of the interval b between the two drain pans 9 arranged below is narrowed and the ventilation resistance of the dimension part of the interval b becomes large. An object of the present invention is to provide an air conditioner that solves the problems of the conventional air conditioners described above, in particular, downsizes the main body and can cope with dew condensation water.

【０００４】[0004]

【課題を解決するための手段】上記目的を達成するた
め、本発明の空気調和機は、本体内部に２台の熱交換器
と送風機を設け、本体下方から空気を吸い込み、上方か
ら吹き出すようにした空気調和機において、前記熱交換
器をその上辺が互いに接し、下辺が互いに離間する逆Ｖ
字形に配置したことを特徴とする。In order to achieve the above object, the air conditioner of the present invention is provided with two heat exchangers and a blower inside the main body so that air is sucked in from below the main body and blown out from above. In the air conditioner described above, the heat exchanger has an inverted V shape in which upper sides thereof are in contact with each other and lower sides thereof are separated from each other.
It is characterized by being arranged in a letter shape.

【０００５】上記の構成からなる本発明の空気調和機
は、２台の熱交換器の上辺が互いに接し、下辺が互いに
離間した状態で配設することにより、この熱交換器を通
る通風抵抗を減少でき、かつ上部ふさぎ板に付着した結
露水を熱交換器のフィンを伝って確実にドレンパン内に
導き落下排水させることができる。In the air conditioner of the present invention having the above structure, the two heat exchangers are arranged such that the upper sides thereof are in contact with each other and the lower sides thereof are separated from each other, so that ventilation resistance passing through the heat exchangers is reduced. It is possible to reduce the amount of condensed water that has adhered to the upper blocking plate along the fins of the heat exchanger, and to surely guide it into the drain pan for drop drainage.

【０００６】また、この場合、逆Ｖ字形に対向する２台
の熱交換器の開き角度を６０度以内に形成することがで
きる。Further, in this case, the opening angle of the two heat exchangers facing each other in the inverted V shape can be formed within 60 degrees.

【０００７】上記の構成からなる本発明の空気調和機
は、２台の熱交換器の開き角度を６０度以内に形成して
いるので、結露水が確実にドレンパン内に落下し、通風
抵抗も小さくなってファンの小型化及び本体の小型化が
図れるものである。In the air conditioner of the present invention having the above structure, the opening angle of the two heat exchangers is formed within 60 degrees, so that the dew condensation water surely falls into the drain pan and the ventilation resistance is also increased. The size of the fan can be reduced and the size of the main body can be reduced.

【０００８】[0008]

【発明の実施の形態】以下、本発明の空気調和機の実施
の形態を図面に基づいて説明する。図１に本発明の一実
施例を示し、図２に熱交換器の斜視図を示す。空気調和
機は、本体外板１にて囲まれ断面がほぼ正方形とし、こ
の空気調和機の内部に２台の熱交換器２を互いに対向し
て、かつ上辺が互いに接するように、下辺が互いに所定
の間隔に開いて逆Ｖ字形になるよう配置し、この各熱交
換器２内に、その一端の入口３から冷水を供給し、他端
の出口４から排水すると共に、空気調和機の内部に配設
した送風機７にて本体の下部に設けた空気吸込口５より
空気を吸い込み、この吸い込まれた空気を、前記逆Ｖ字
形をなす各熱交換器２を通過させて所望の熱交換をさせ
た後、上部に配設した空気吹出口から吹き出すようにし
ている。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of an air conditioner of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment of the present invention, and FIG. 2 shows a perspective view of a heat exchanger. The air conditioner is surrounded by the main body outer plate 1 and has a substantially square cross section. Two heat exchangers 2 are opposed to each other inside the air conditioner, and the lower sides are in contact with each other so that the upper sides are in contact with each other. The heat exchangers 2 are arranged at predetermined intervals so as to form an inverted V shape, and cold water is supplied from an inlet 3 at one end of the heat exchanger 2 and drained from an outlet 4 at the other end thereof, and the inside of the air conditioner is also provided. The air blower 7 installed in the main body sucks in air from the air suction port 5 provided in the lower part of the main body, and the sucked air is passed through each of the heat exchangers 2 having the inverted V shape to perform a desired heat exchange. After that, the air is blown out from the air outlet provided in the upper part.

【０００９】さらにこの空気調和機内には吸い込まれた
空気が確実に熱交換器を通過するよう、逆Ｖ字形に対向
配設する２台の熱交換器の両側面には側面ふさぎ板１１
を、上部には上部ふさぎ板１０をそれぞれ配設してい
る。従って２台の熱交換器開口した下部〜空気は対向す
る熱交換器内に導かれ、熱交換器を経て送風機側へ導か
れるものとなる。Further, in order to ensure that the sucked air passes through the heat exchanger in the air conditioner, side surface blocking plates 11 are provided on both side surfaces of the two heat exchangers which are arranged so as to face each other in an inverted V shape.
, And an upper blocking plate 10 is arranged on the upper part. Therefore, the air from the lower part of the two heat exchangers to the air is introduced into the opposing heat exchangers, and is introduced to the blower side through the heat exchangers.

【００１０】また、吸込空気温度が高温多湿の場合、上
部ふさぎ板１０の空気吸込口５に対向した面に結露を生
じ、結露水が下方の空気吸込口内に落下することがあ
る。本発明はこれを防ぐため、上部ふさぎ板１０に結露
した結露水を逆Ｖ字形に隣接した熱交換器のフィンに導
き、そしてこのフィンを伝って熱交換器２の下部に配設
されているドレンパン９内へ落下排水するようにする。
なお、上記送風機７は送風機駆動用電動機８にて駆動さ
れる。また、２つの熱交換器２は対向させ、上辺を互い
に接するように構成し、下辺を互いに開いた状態で、そ
の開き角度を６０度以内にし、側面の側面ふさぎ板１１
は三角形状をなしている。When the intake air temperature is hot and humid, dew condensation may occur on the surface of the upper blocking plate 10 facing the air intake port 5, and the condensed water may drop into the lower air intake port. In the present invention, in order to prevent this, the condensed water condensed on the upper blocking plate 10 is guided to the fins of the heat exchanger adjacent to each other in an inverted V shape, and the fins are arranged under the heat exchanger 2 along the fins. Make sure that it falls into the drain pan 9 and drains.
The blower 7 is driven by a blower driving electric motor 8. Further, the two heat exchangers 2 are opposed to each other, the upper sides thereof are in contact with each other, and the opening angles thereof are set within 60 degrees with the lower sides thereof being opened to each other.
Has a triangular shape.

【００１１】上述のように構成する場合、上部ふさぎ板
１０は暖気に接する面積が小さく結露しにくくなってい
るとともに、万一結露水が付着した場合においても、熱
交換器２を構成しているフィンに結露水が伝わり、開き
角度が６０度以内であるため、結露水は確実にドレンパ
ン内に落下するものとなる。In the case of the above-mentioned structure, the area of the upper blocking plate 10 in contact with warm air is small and it is difficult for dew condensation to occur, and the heat exchanger 2 is constituted even if dew condensation water adheres. Since the dew condensation water is transmitted to the fins and the opening angle is within 60 degrees, the dew condensation water will surely drop into the drain pan.

【００１２】また、通風抵抗においても、熱交換器２の
空気入口部の抵抗が大きくなる２台の熱交換器２の接す
る部位では、出口側が広く通路を設けてあるので、熱交
換器２全面にわたって通風抵抗が均一化し、低圧力損失
となっている。このため、ファンが小型化でき、低騒音
で本体を小型にまとめることができる。Also, in terms of ventilation resistance, a wide passage is provided on the outlet side at the portion where the two heat exchangers 2 in contact with each other where the resistance of the air inlet portion of the heat exchanger 2 becomes large. Ventilation resistance is made uniform throughout, resulting in low pressure loss. Therefore, the fan can be downsized, and the main body can be integrated into a small size with low noise.

【００１３】なお、対向する２台の熱交換器の開き角度
が６０度以上となると、上部ふさぎ板１０に付着した結
露水がフィンを伝わる途中でドレンパン９外に落下する
こともあるので、開き角度は６０度以下が望ましい。When the opening angle of the two heat exchangers facing each other is 60 degrees or more, the dew condensation water adhering to the upper blocking plate 10 may fall outside the drain pan 9 while being transmitted through the fins. The angle is preferably 60 degrees or less.

【００１４】[0014]

【発明の効果】本発明の空気調和機によれば、本体内部
に２台の熱交換器と送風機を設け、本体下方から空気を
吸い込み、上方から吹き出すようにした空気調和機にお
いて、熱交換器を２台逆Ｖ字形に対向して配置し、熱交
換器の上辺が互いに接し、下辺が互いに離間した状態で
配置するとともに、前記２台の熱交換器の開き角度を６
０度以内に形成しているので、結露水が確実にドレンパ
ン内に落下し、通風抵抗も小さくなってファンの小型化
及び本体の小型化が図れるものである。According to the air conditioner of the present invention, two heat exchangers and a blower are provided inside the main body so that air can be sucked in from below the main body and blown out from above. Are arranged so as to face each other in an inverted V shape, the upper sides of the heat exchangers are in contact with each other and the lower sides are spaced from each other, and the opening angle of the two heat exchangers is 6
Since the water is formed within 0 degrees, the condensed water surely drops into the drain pan, and the ventilation resistance is also reduced, so that the fan and the main body can be downsized.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の空気調和機の第１実施例を示す概略図
で、（Ａ）は正面図、（Ｂ）は側面図である。FIG. 1 is a schematic view showing a first embodiment of an air conditioner of the present invention, (A) is a front view and (B) is a side view.

【図２】本発明の空気調和機の熱交換器部分の斜視図で
ある。FIG. 2 is a perspective view of a heat exchanger portion of the air conditioner of the present invention.

【図３】従来の空気調和機を示す説明図で、（Ａ）は正
面図、（Ｂ）は側面図である。FIG. 3 is an explanatory view showing a conventional air conditioner, in which (A) is a front view and (B) is a side view.

【符号の説明】[Explanation of symbols]

２ 熱交換器 ５ 空気吸込口 ６ 空気吹出口 ７ 送風機 ９ ドレンパン １０ 上部ふさぎ板 １１ 側面ふさぎ板 2 Heat exchanger 5 Air inlet 6 Air outlet 7 Blower 9 Drain pan 10 Upper cover plate 11 Side cover plate

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 本体内部に２台の熱交換器と送風機を設
け、本体下方から空気を吸い込み、上方から吹き出すよ
うにした空気調和機において、前記熱交換器をその上辺
が互いに接し、下辺が互いに離間する逆Ｖ字形に配置し
たことを特徴とする空気調和機。1. An air conditioner in which two heat exchangers and a blower are provided inside a main body so that air is sucked in from the lower side of the main body and blown out from the upper side. An air conditioner characterized by being arranged in inverted V-shapes separated from each other. 【請求項２】 ２台の熱交換器の開き角度を６０度以内
に設定したことを特徴とする請求項１記載の空気調和
機。2. The air conditioner according to claim 1, wherein the opening angle of the two heat exchangers is set within 60 degrees.