JP4905014B2 - Air conditioner - Google Patents

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JP4905014B2
JP4905014B2 JP2006254221A JP2006254221A JP4905014B2 JP 4905014 B2 JP4905014 B2 JP 4905014B2 JP 2006254221 A JP2006254221 A JP 2006254221A JP 2006254221 A JP2006254221 A JP 2006254221A JP 4905014 B2 JP4905014 B2 JP 4905014B2
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heat exchanger
drain pan
condensed water
air conditioner
casing
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JP2008075928A (en
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保志 比嘉
祐一郎 戸高
和弘 菅谷
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Fujitsu General Ltd
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  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (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、ダクト型の空気調和機に係わり、より詳細には、ドレンパン内に載置した熱交換器の下部に遮風部材を設けた際、同遮風部材を前記熱交換器の側板に形成した切り起こしによって容易に保持できるようにし、且つ凝縮水がドレンパン内で円滑に流通できるようにした構造に関する。   The present invention relates to a duct type air conditioner, and more specifically, when a wind shielding member is provided at a lower part of a heat exchanger placed in a drain pan, the wind shielding member is provided on a side plate of the heat exchanger. The present invention relates to a structure that can be easily held by the formed cut and raised, and that condensed water can smoothly flow in the drain pan.

従来のダクト型の空気調和機は、ファンモータからの熱を効率良く放熱して冷房効率を高めたものとして、ケーシング背面の吸込口と、前面の吹出口とを結ぶ空気通路に、熱交換器と、前記熱交換器よりの凝縮水を一旦溜めるドレンパンと、モータ取付台に固定されたファンモータと、前記ファンモータにより駆動されるファンとを配置してなる空気調和機において、前記モータ取付台を前記ドレンパン内に立設しているので、前記ファンモータから発生する殆どの熱は前記モータ取付台を介して凝縮水に伝熱されて凝縮水を温め、温まった凝縮水は排水ホースを介して外部に排水され、ケーシング内の冷気や室内の空気を暖めることなく効率良く放熱できるようにした構造でなるものが開示されていた（例えば、特許文献１参照。）。   A conventional duct-type air conditioner is designed to efficiently dissipate heat from the fan motor to improve cooling efficiency. A heat exchanger is installed in the air passage connecting the suction port on the back of the casing and the air outlet on the front. And an air conditioner comprising: a drain pan that temporarily stores condensed water from the heat exchanger; a fan motor fixed to the motor mounting base; and a fan driven by the fan motor. In the drain pan, most of the heat generated from the fan motor is transferred to the condensed water via the motor mounting base to warm the condensed water, and the heated condensed water passes through the drain hose. It has been disclosed that it has a structure that is drained to the outside and efficiently radiates heat without warming the cool air in the casing or the indoor air (see, for example, Patent Document 1).

しかしながら、例えばフィン高さ４０６ミリメートルの熱交換器を搭載することを前提としてケーシングが設計されているのに対し、異なる冷媒を使用する際、伝熱管を細くするなどにより性能を維持したままフィン高さ３７８ミリメートルの熱交換器を搭載するような場合、吸込口の高さを変更しないでケーシングの共通化をはかるとすれば、熱交換器の高さの違いによりケーシングとの間にクリアランスが生じるため熱交換性能が著しく低下してしまうという問題があった。   However, for example, the casing is designed on the assumption that a heat exchanger having a fin height of 406 mm is mounted. On the other hand, when using different refrigerants, the fin height is maintained while the performance is maintained by making the heat transfer tubes thinner. If a 378 mm heat exchanger is installed, if the casing is shared without changing the height of the suction port, a clearance is generated between the casing and the casing due to the difference in the height of the heat exchanger. Therefore, there has been a problem that the heat exchange performance is significantly lowered.

そのため、上述したクリアランスを埋めるには熱交換器の底部に遮風部材を設置することになるが、この遮風部材を簡便の構成によって容易に保持できるように構成するとともに、この遮風部材によってドレンパン内での凝縮水の流通が遮られて溜まり込みが生じてしまわないように構成する必要があった。
特開２００２−２２１９９号公報 Therefore, in order to fill the clearance described above, a wind shield member is installed at the bottom of the heat exchanger. The wind shield member is configured so that it can be easily held by a simple configuration. It was necessary to configure so that the condensate flow in the drain pan would not be blocked and accumulated.
JP 2002-22199 A

そこで、本発明は上述した課題を解決するためになされたものであって、その目的は、高さの異なる熱交換器に対しケーシングの共通化をはかるためドレンパン内に載置した熱交換器の下部に遮風部材を設けた際、同遮風部材を前記熱交換器の側板に形成した切り起こしによって容易に保持できるようにし、且つ凝縮水がドレンパン内で円滑に流通できるようにしたダクト型の空気調和機を提供することにある。   Accordingly, the present invention has been made to solve the above-described problems, and the object of the present invention is to provide a heat exchanger placed in a drain pan in order to make a casing common to heat exchangers having different heights. A duct type that can be easily held by a cut-and-raised formed on the side plate of the heat exchanger and the condensed water can smoothly flow in the drain pan when the wind-shielding member is provided in the lower part. It is to provide an air conditioner.

上述した目的を達成するため、本発明は以下に示す特徴を備えている。   In order to achieve the above-described object, the present invention has the following features.

ケーシング背面の吸込口と、前面の吹出口とを結ぶ空気通路に、両側部に側板を備えた熱交換器と、同熱交換器を載置して凝縮水を一旦溜めるドレンパンとを設けてなる空気調和機において、
前記熱交換器の下部と前記ドレンパンとの隙間を塞ぐ遮風部材を設ける一方、前記側板に前記遮風部材を保持する保持部とともに前記側板に空気の流通方向と異なる方向に開口する前記凝縮水を前記ドレンパン内で流通させるための流通部を設けてなることを特徴としている。
In the air passage connecting the suction port on the back of the casing and the air outlet on the front, a heat exchanger provided with side plates on both sides and a drain pan for temporarily storing condensed water by placing the heat exchanger In air conditioner,
The condensed water that is provided with a wind shield member that closes a gap between the lower portion of the heat exchanger and the drain pan, and that opens to the side plate in a direction different from the air flow direction together with a holding unit that holds the wind shield member on the side plate. Is provided with a distribution part for distributing the liquid in the drain pan .

また、前記保持部および前記流通部は、前記側板の一部を切り起こした切起し部により同時に形成してなることを特徴としている。   Further, the holding part and the flow part are formed simultaneously by a cut and raised part obtained by cutting and raising a part of the side plate.

本発明によれば、ケーシング背面の吸込口と、前面の吹出口とを結ぶ空気通路に、側板を備えた熱交換器と、同熱交換器を載置して凝縮水を一旦溜めるドレンパンとを設けてなる空気調和機において、前記熱交換器の大きさが異なる場合でも、同じケーシングが使用可能であって、前記熱交換器の下部に遮風部材を設ける一方、前記側板に前記遮風部材を保持する保持部を設けるとともに、前記凝縮水が前記ドレンパン内で流通する流通部を設けることで、凝縮水の流通が遮られて溜まり込みが生じてしまわないようにしたダクト型の空気調和機を提供できる。   According to the present invention, the heat exchanger provided with the side plate in the air passage connecting the suction port on the rear surface of the casing and the air outlet on the front surface, and the drain pan for temporarily storing condensed water by placing the heat exchanger. In the air conditioner provided, the same casing can be used even when the size of the heat exchanger is different, and a wind shield member is provided at the lower part of the heat exchanger, while the wind shield member is provided on the side plate. A duct-type air conditioner in which the condensate water is blocked and the accumulation does not occur by providing a holding portion for holding the condensate and providing a flow portion for the condensed water to flow in the drain pan. Can provide.

以下、本発明の実施の形態を、添付図面に基づいた実施例として詳細に説明する。   DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail as examples based on the attached drawings.

図１は本発明による空気調和機の斜視図であり、図２は本発明による空気調和機の説明図で、（Ａ）は一例を示す断面図、（Ｂ）は他の例を示す断面図および要部拡大断面図であり、図３は本発明による空気調和機の説明図で、（Ａ）は要部斜視図、（Ｂ）は（Ａ）に示すＡ部の拡大斜視図である。   FIG. 1 is a perspective view of an air conditioner according to the present invention, FIG. 2 is an explanatory view of the air conditioner according to the present invention, (A) is a sectional view showing an example, and (B) is a sectional view showing another example. FIG. 3 is an explanatory view of an air conditioner according to the present invention, FIG. 3A is a perspective view of the main part, and FIG. 3B is an enlarged perspective view of the A part shown in FIG.

本発明によるダクト型の空気調和機は、図に示すように、ケーシング１の背面１ａに吸込口２が設けられ、前面１ｂに複数の吹出口３が設けられ、同ケーシング１内の下部にはドレンパン１０が設けられている。   As shown in the figure, the duct type air conditioner according to the present invention is provided with a suction port 2 on the back surface 1 a of the casing 1, a plurality of air outlets 3 on the front surface 1 b, and a lower portion in the casing 1. A drain pan 10 is provided.

前記吸込口２と、前記複数の吹出口３とを結ぶ空気通路４の、前記吸込口２側のドレンパン１０には、同吸込口２と対向して熱交換器５が載置されており、同熱交換器５は両側部に側板５ａを備えている。   A heat exchanger 5 is placed on the drain pan 10 on the suction port 2 side of the air passage 4 connecting the suction port 2 and the plurality of blowout ports 3 so as to face the suction port 2. The heat exchanger 5 includes side plates 5a on both sides.

また、前記吹出口３側の中央の前記ドレンパン１０内に載置部とその両側より下方に延出する脚部とにより構成され、下向きコ字状のモータ取付台８が立設され、同モータ取付台８にはファンモータ６が固定されている。   Further, a mounting portion and a leg portion extending downward from both sides thereof are provided in the drain pan 10 at the center on the outlet 3 side, and a downward U-shaped motor mounting base 8 is erected. A fan motor 6 is fixed to the mounting base 8.

前記ファンモータ６の軸方向の両側には、同ファンモータ６によって駆動される２個の遠心ファンで構成されるファン７が配置されている。   On both sides of the fan motor 6 in the axial direction, fans 7 composed of two centrifugal fans driven by the fan motor 6 are arranged.

前記ファン７は、その吸込孔９ａが前記ファンモータ６の回転軸の方向に向けられ、吹出孔９ｂが前記吹出口３に望ませたファンケーシング９内に収容されている。   The fan 7 has its suction hole 9 a oriented in the direction of the rotation axis of the fan motor 6, and the blowout hole 9 b is accommodated in the fan casing 9 desired for the blowout port 3.

また、前記熱交換器５から滴る凝縮水は前記ドレンパン１０に一旦溜められ、余分な凝縮水は、図３（Ａ）に示す排水口１０ａから排水ホースを介して外部に排水されるようにしている。   The condensed water dripping from the heat exchanger 5 is once stored in the drain pan 10, and excess condensed water is drained to the outside through the drain hose from the drain port 10a shown in FIG. Yes.

そして、上述したように、前記ファンモータ６を固定するモータ取付台８は、前記ドレンパン１０内に立設されており、同ドレンパン１０内に位置するモータ取付台８の脚部には放熱フィン８ａが形成されており、同放熱フィン８ａは凝縮水に浸されるようになっている。   As described above, the motor mounting base 8 for fixing the fan motor 6 is erected in the drain pan 10, and the heat radiating fins 8 a are attached to the legs of the motor mounting base 8 located in the drain pan 10. The heat radiating fins 8a are soaked in condensed water.

上述した構成において、前記ファンモータ６から発生する熱の一部はファンモータ６自体から放射熱として放熱されるが、殆どの熱は前記モータ取付台８を介して凝縮水に伝熱され、この凝縮水を温めことによって放熱されることになる。   In the configuration described above, a part of the heat generated from the fan motor 6 is radiated as radiant heat from the fan motor 6 itself, but most of the heat is transferred to the condensed water through the motor mounting base 8, Heat is emitted from the condensed water.

このとき、放熱フィン８ａによりモータ取付台８と凝縮水との接触面積を増やし、より効果的に伝熱してファンモータ６の熱を放熱するようにしている。   At this time, the contact area between the motor mount 8 and the condensed water is increased by the radiation fins 8a, and the heat of the fan motor 6 is dissipated more effectively by transferring heat.

次に、高さの異なる熱交換器に対し前記ケーシング１の共通化をはかるため、前記ドレンパン１０に載置した前記熱交換器５の下部に上述した遮風部材１１を設けた際、図２（Ａ）および図２（Ｂ）と、図３とに基づいて、前記遮風部材１１が前記熱交換器５の下部に容易に保持されるようにした構成、および、上述した凝縮水が前記ドレンパン１０内の特定の箇所に溜まり込んでしまうことなく、前記熱交換器５から滴ったのち前記ドレンパン１０内を円滑に流通できるようにした構成について説明する。   Next, in order to make the casing 1 common to heat exchangers having different heights, when the above-described wind shielding member 11 is provided at the lower part of the heat exchanger 5 placed on the drain pan 10, FIG. Based on (A), FIG. 2 (B), and FIG. 3, the configuration in which the wind-shielding member 11 is easily held in the lower part of the heat exchanger 5 and the condensed water described above are A configuration will be described in which the inside of the drain pan 10 can be smoothly circulated after dripping from the heat exchanger 5 without accumulating at a specific location in the drain pan 10.

前記熱交換器５が、図２（Ａ）に示すように、例えばフィン高さ４０６ミリメートルのものを搭載する前提として設計された前記ケーシング１内のドレンパン１０に載置され、両側部に備えた側板５ａにより前記ケーシング１に固定されている場合について説明する。   As shown in FIG. 2 (A), the heat exchanger 5 is mounted on a drain pan 10 in the casing 1 that is designed on the assumption that a fin height of 406 mm, for example, and is provided on both sides. The case where it is fixed to the casing 1 by the side plate 5a will be described.

この場合、前記熱交換器５から前記ドレンパン１０上に滴った凝縮水は、同熱交換器５を構成して等間隔で平行に並べられた多数のフィン間を流通することで、前記ドレンパン１０上の特定の箇所に溜まり込んでしまうということがなくなる。   In this case, the condensed water dripped on the drain pan 10 from the heat exchanger 5 constitutes the heat exchanger 5 and circulates between a large number of fins arranged in parallel at equal intervals, so that the drain pan 10 It won't get stuck in any particular location above.

次に、図２（Ｂ）および図３に基づいて、前記ケーシング１に接続されるダクトが小型（小径）化されたり、または、異なる冷媒が使用されることで性能を維持したまま前記熱交換器５を構成する伝熱管を細くするなどに伴って、前記ケーシング１の大きさを変えずに共通化する際、図２（Ａ）に示す熱交換器よりも低い、例えばフィン高さ３７８ミリメートルの熱交換器を搭載するとともに、前記ケーシング１の高さに対するクリアランスを埋めるために、前記遮風部材１１が前記熱交換器５の下部に設けられる場合について説明する。   Next, based on FIG. 2 (B) and FIG. 3, the duct connected to the casing 1 is downsized (small diameter), or the heat exchange is performed while maintaining the performance by using a different refrigerant. When the heat transfer tubes constituting the heat exchanger 5 are made thinner without changing the size of the casing 1, for example, a fin height of 378 mm is lower than that of the heat exchanger shown in FIG. A case will be described in which the wind shield member 11 is provided in the lower part of the heat exchanger 5 in order to mount the heat exchanger and fill the clearance with respect to the height of the casing 1.

この場合、前記遮風部材１１を設けたことで、前記吸込口２から吸い込まれる吸込空気の一部が前記熱交換器５で熱交換されずに流通してしまうということがなくなり、また、前記熱交換器５から前記ドレンパン１０上に滴った凝縮水は、前記遮風部材１１によって遮水される一方、前記側板５ａの下端部に形成された流通部５ｂによって流通することになるので、前記ドレンパン１０上の特定の箇所に溜まり込んでしまうということがなくなる。   In this case, by providing the wind-shielding member 11, a part of the suction air sucked from the suction port 2 is not circulated without heat exchange in the heat exchanger 5, Condensed water dripped on the drain pan 10 from the heat exchanger 5 is shielded by the wind shield member 11 and is circulated by the circulation portion 5b formed at the lower end of the side plate 5a. It does not accumulate in a specific location on the drain pan 10.

前記流通部５ｂは、図３（Ｂ）に示すように、前記側板５ａの一部に切起し部を形成することによって構成され、この切起し部をなす切起し片５ｃを前記遮風部材１１の側面に係合することによって、同遮風部材１１が保持されることになる。   As shown in FIG. 3B, the flow part 5b is formed by forming a cut and raised part in a part of the side plate 5a, and the cut and raised piece 5c forming the cut and raised part is blocked by the shielding part 5c. By engaging the side surface of the wind member 11, the wind shield member 11 is held.

なお、前記切起し片５ｃは、図２（Ａ）および図２（Ｂ）に示すように、前記遮風部材１１の両側面に対応して形成され、この両側面を挟持することによって前記遮風部材１１が容易に、且つ正確に保持されることになり、切り欠き状の前記流通部５ｂと、前記切起し片５ｃとが上述した切起し部によって同時に形成されるので簡便に構成できる。   As shown in FIGS. 2A and 2B, the cut and raised pieces 5c are formed corresponding to both side surfaces of the wind shield member 11, and the both side surfaces are sandwiched to hold the Since the wind-shielding member 11 is easily and accurately held, the notch-shaped flow part 5b and the cut-and-raised piece 5c are formed simultaneously by the above-described cut-and-raised part. Can be configured.

本発明による空気調和機の斜視図である。It is a perspective view of the air conditioner by this invention. 本発明による空気調和機の説明図で、（Ａ）は一例を示す断面図であり、（Ｂ）は他の例を示す断面図および要部拡大断面図である。It is explanatory drawing of the air conditioner by this invention, (A) is sectional drawing which shows an example, (B) is sectional drawing and the principal part expanded sectional view which show another example. 本発明による空気調和機の説明図で、（Ａ）は要部斜視図であり、（Ｂ）は（Ａ）に示すＡ部の拡大斜視図である。It is explanatory drawing of the air conditioner by this invention, (A) is a principal part perspective view, (B) is an expansion perspective view of the A section shown to (A).

符号の説明Explanation of symbols

１ ケーシング
１ａ 背面
１ｂ 前面
２ 吸込口
３ 吹出口
４ 空気通路
５ 熱交換器
５ａ 側板
５ｂ 流通部
５ｃ 切起し片
６ ファンモータ
７ ファン
８ モータ取付台
８ａ 放熱フィン
９ ファンケーシング
１０ ドレンパン
１０ａ 排水口
１１ 遮水部材 DESCRIPTION OF SYMBOLS 1 Casing 1a Back surface 1b Front surface 2 Suction port 3 Outlet 4 Air passage 5 Heat exchanger 5a Side plate 5b Flowing part 5c Cut and raised piece 6 Fan motor 7 Fan 8 Motor mount 8a Radiation fin 9 Fan casing 10 Drain pan 10a Drain port 11 Impermeable material

Claims (2)

ケーシング背面の吸込口と、前面の吹出口とを結ぶ空気通路に、両側部に側板を備えた熱交換器と、同熱交換器を載置して凝縮水を一旦溜めるドレンパンとを設けてなる空気調和機において、
前記熱交換器の下部と前記ドレンパンとの隙間を塞ぐ遮風部材を設ける一方、
前記側板に前記遮風部材を保持する保持部とともに前記側板に空気の流通方向と異なる方向に開口する前記凝縮水を前記ドレンパン内で流通させるための流通部を設けてなることを特徴とする空気調和機。 In the air passage connecting the suction port on the back of the casing and the air outlet on the front, a heat exchanger provided with side plates on both sides and a drain pan for temporarily storing condensed water by placing the heat exchanger In air conditioner,
While providing a windshield member that closes the gap between the lower part of the heat exchanger and the drain pan ,
An air characterized in that the side plate is provided with a holding portion for holding the wind-shielding member, and a flow portion for flowing the condensed water that opens in a direction different from the air flow direction in the side plate in the drain pan. Harmony machine. 前記保持部および前記流通部は、前記側板の一部を切り起こした切起し部により同時に形成してなることを特徴とする請求項１に記載の空気調和機。   2. The air conditioner according to claim 1, wherein the holding unit and the flow unit are formed simultaneously by a cut-and-raised portion obtained by cutting and raising a part of the side plate.
JP2006254221A 2006-09-20 2006-09-20 Air conditioner Expired - Fee Related JP4905014B2 (en)

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JP5565664B2 (en) * 2009-12-11 2014-08-06 株式会社富士通ゼネラル Duct type air conditioner
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JP5783815B2 (en) * 2011-06-20 2015-09-24 株式会社ケーヒン・サーマル・テクノロジー Heat exchanger
CN105650744A (en) * 2016-03-28 2016-06-08 广东美的制冷设备有限公司 Wall-mounted type air-conditioner indoor machine and air conditioner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102095225A (en) * 2009-12-11 2011-06-15 富士通将军股份有限公司 Duct type air conditioner
CN102095225B (en) * 2009-12-11 2015-04-01 富士通将军股份有限公司 Duct type air conditioner

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