574487 (1) 玖、發明說明 【發明所屬之技術領域】 本發明係關於一體型空調機。 【先前技術】 先前的一體型空調機，在日本實開昭4 8 -1 0 9 744號公報（專利文獻1 )中，記載著：藉由室 內熱交換器而被凝結之包含在室內空氣中的水分，利用被 配置在室內熱交換器下部的盛水盤加以承接，然後將此水 導引至室外風扇亦即西洛可送風機（多葉片式送風機）的 下部，藉由設在西洛可送風機外周的圓板環，與經由室外 熱交換器而吸入的空氣一起往半徑方向吹出，而放出至室 外的技術。 但是，若如此地將水從一體型空調機直接地吹出室外 ，則會在該空調機的周圍有霧狀的水噴灑的問題。 又，在日本特開平8 - 2 6 1 4 9 9號公報（專利文 獻2 )中，已知有：將螺旋槳式風扇（送風機）配置在室 外熱交換器的內側，從室外單元的側面吸入空氣，吹向室 外熱交換器，使吸入的室外空氣通過室外熱交換器而吹出 室外的構造。 又，在日本實開昭53 — 1 575 50號公報（專利 文獻3 )中，記載著：在設置於室內側正面中央的空氣吸 入口的兩側，設有空氣吹出口的一體型空調機。 【專利文獻1】 (2) 574487 曰本實開昭48—109744號公報。 【專利文獻2】 曰本特開平8 - 26 1 4 9 9號公報。 【專利文獻3】 日本實開昭5 3 - 1 5 7 5 5 0號公報。 【發明內容】 (發明所欲解決之課題） 在專利文獻2中，雖然關於結露水的處理方面沒有記 載’但是此種構成，係利用將結露水導引至螺旋槳式風扇 的下部，藉由設在螺旋槳式風扇外周的潑濺環（splash ring) ，將水扒出使其吹向成爲凝結器的室外熱交換器而蒸發， 同時可以提高室外熱交換器的效率。 但是，此螺旋槳式風扇，當結露水的水面滿至碰到風 扇的葉片時，當葉片碰到水時，水會彈飛出來，造成逆氣 流地從室外卓兀的空氣吸入口飛散至單元外的結果。 又，在上述專利文獻3中所記載的一體型空調機中， 由於室內空氣吹出口的高度尺寸大約與單元（組件）相同 ，例如，當要利用馬達使室內空氣吹出口的縱翼或橫翼等 構件擺動時，在吹出口最下部或最上部與單元底板或天花 板之間，沒有間隙，而會有無法安裝馬達的問題。也就是 說，當想要配置在空氣吹出口的下部或上部的情況，會有 沒有該空間的問題。 進而，一般的一體型空調機，設有操作面板的電氣品 -8 - (3) (3)574487 收容箱，係配置在空氣吹出口的下方，此種構造，將會使 空氣吹出口的高度尺寸更高，而當要在其下部或上部配置 另外的構件時，會發生沒有可以配置該構件的空間的問題 〇 本發明的目的在於提供一種結露水難以飛散至室外的 一體型空調機。 本發明的其他目的，在於提供一種確保室內的空氣吹 出口的高度尺寸之自由度的一體型空調機。 (解決課題所用的手段） 上述目的，係針對具備：收容壓縮機、室外熱交換器 、室內熱交換器、室內風扇和室外風扇的單元；被設置在 前述室內熱交換器的下部，用來承接凝結水的盛水盤；以 及將前述盛水盤的水導引至前述室外風扇下部的導水路之 形態的一體型空調機，藉由：將前述室外風扇配置在前述 室外熱交換器的室內側，使此室外風扇，作成使風扇軸方 向的空氣吸入口的直徑比風扇的直徑小之形態的風扇；且 在包圍此風扇周圍的風扇室的下部’設置積存從前述導水 路來的結露水之貯水部，且作成使從前述單元的周圍吸入 的空氣，可以經由前述室外風扇，從前述室外熱交換器吹 出之手段來達成。 又，上述的其他目的，係針對具備：收容壓縮機、室 外熱交換器、室內熱交換器、室內風扇和室外風扇的單元 •，被設置在前述室內熱交換器的下部，用來承接凝結水的 -9- (4) (4)574487 盛水盤；以及將前述盛水盤的水導引至前述室外風扇下部 的導水路之形態的一體型空調機，藉由：將前述室外風扇 配置在前述室外熱交換器的室內側，使此室外風扇，作成 使風扇軸方向的空氣吸入口的直徑比風扇的直徑小之形態 的風扇；且在包圍此風扇周圍的風扇室的下部，設置積存 從前述導水路來的結露水之貯水部，且作成使從前述單元 的周圍吸入的空氣，可以經由前述室外風扇，從前述室外 熱交換器吹出，而在前述盛水盤下部，配置設有操作部的 電氣品收容箱之手段來達成。 【實施方式】 (本發明之實施形態） 以下，參照圖面來說明本發明的實施形態。 第1圖係表示根據本發明的一體型空調機的一實施例 的外觀圖；第2圖係從下方來看本實施例的一體型空調機 的單元（組件）的外觀圖；第3圖係本實施例的一體型空 調機的平面圖；第4圖係本實施例的一體型空調機的要部 剖面圖。 在第1、2圖中，符號1表示一體型空調機、符號2 表不單兀（組件）、符號3表75化粧板、符號4表示箱體 '符號5表示承載單元的構成零件的基座、符號9表示化 粧板3的空氣吸入口、符號1 0表示空氣吹出口、符號 1 1表示具有操作部的電氣零件（電氣品收容箱）、符號 1 2表示上部室外空氣吸入口、符號1 3表示側部室外空 -10- (5) (5)574487 氣吸入口。又，在第3、4圖中，符號6表示隔板、符號 7表示藉由隔板6而被區隔出來的室外側、符號8表示藉 由隔板6而被區隔出來的室內側。 而且，符號1 4表示壓縮機、符號1 5表示室外熱交 換器、符號1 6表示室內熱交換器、符號1 7表示風扇用 電動機、符號1 8表示安裝在風扇用電動機的室外側之室 外風扇、符號1 9表示安裝在風扇用電動機的室內側之室 內風扇、符號2 0表示室內風扇的框體、符號2 1表示承 接在室內熱交換器1 6中凝結的結露水之盛水盤、符號 2 2表示導水路、符號2 3表示設在室外風扇下部的貯水 部、符號24表示風扇室、符號25表示艙室、符號26 表示風扇室2 4的接口環（mouth ring)、符號2 7表示室 內側的接口環。 構成此一體型空調機1的主要零件，係被承載於基座 5上，而構成單元2 ;單元2被收容在箱體（外箱）4中 ，其前面則安裝有化粧板3，而構成一體型空調機1。 先前所述的一體型空調機1 ，係藉由設在基座5中央 部的隔板6，將一體型空調機1的內部，區隔成室外側7 和室內側8 ;並將室內熱交換器1 6配置在室內側8，而 在室內熱交換器16的下方，設置盛水盤21。而且，在 室內熱交換器1 6的後部，配置在室外側7的風扇用電動 機1 7的旋轉軸，貫通隔板6，而突出至室內側8，其端 部安裝著室內風扇1 9。接口環2 7被設置在室內熱交換 器1 6和室內風扇1 9之間，室內風扇1 9旋轉而吸入的 -11 - (6) (6)574487 室內空氣，通過此接口環2 7，而被室內風扇1 9吸入。 另一方面，在室外側7，設置在先前的風扇用電動機 1 7的室內側旋轉軸的相反側之室外側旋轉軸，突出至艙 室2 5的內部，其前端部安裝著室外風扇1 8。而且，藉 由驅動風扇用電動機1 7，驅動室外風扇1 8，使室外空 氣通過外箱4的上部室外空氣吸入口 1 2和側部室外空氣 吸入口 1 3，吸入一體型空調機1的內部，來冷卻配置在 室外側7的壓縮機1 4和風扇用電動機1 7等。而且，將 壓縮機1 4和風扇用電動機1 7等加以冷卻之後的室外空 氣，通過風扇室24的接口環26，吸入艙室25內。使 積存在室外風扇1 8的下部之結露水，飛散至該室外空氣 中，成爲霧狀，再將含有該霧狀的結露水之室外空氣，吹 向室外熱交換器1 5，來冷卻室外熱交換器1 5。藉此， 利用室外熱交換器1 5的表面，將結露水加以蒸散處理。 藉由接通位於化粧板3下部之具有操作部的電氣零件 1 1的電源開關，一體型空調機1開始運轉。一體型空調 機1的運轉模式，藉由冷凍循環零件的配置或組合等的改 變，可以構成冷氣運轉、暖氣運轉或是其他運轉模式，但 是在本實施例的說明中，說明關於冷氣運轉。 藉由接通電源開關，從壓縮機1 4壓送出來的高溫高 壓氣態冷媒，被送至室外熱交換器1 5，進入室外熱交換 器1 5中的冷媒，利用室外熱交換器1 5吹出來的室外空 氣，而被冷卻，於是變化成溫度下降的高壓液態冷媒，而 流出室外熱交換器1 5。從室外熱交換器1 5流出來的冷 -12- (7) 媒，藉由降壓裝置（未圖示）而被降壓，成爲低壓的液態 冷媒，然後進入室內熱交換器1 6中。進入室內熱交換器 1 6中的低壓液態冷媒，從利用室內風扇1 9而通過室內 熱交換器1 6之吸入的室內空氣，吸取熱量而蒸發，變化 成低溫低壓的氣態冷媒，然後被吸入壓縮機1 4，在壓縮 機1 4中被壓縮而成爲高溫高壓的氣態冷媒，而再度於一 體型空調機1的冷凍循環中循環。 另一方面，利用室內風扇1 9而被吸入的室內空氣， 當通過室內熱交換器1 6的時候，熱量被冷媒奪去而被冷 卻，同時包含在空氣中的水分，凝結出來而被除濕，成爲 乾燥的冷空氣，然後從室內空氣吹出口 1 〇，被吹出至室 內。藉由重複此循環，將室內的環境調節成舒適的狀態。 又，利用室內熱交換器1 6而被凝結出來的結露水， 被集中在設於室內熱交換器1 6的下部之盛水盤2 1 ，再 被導水路2 2導引而通過隔板6，然後積存在設於室外風 扇1 8的下部之貯水部2 3，再藉由設在室外風扇1 8上 的潑濺環18c，被飛散處理。 在專利文獻2中所記載的一體型空調機中，室外風扇 使用螺旋槳式風扇。根據第1 0圖來加以說明。如先前所 說明的內容，當室外風扇使用螺旋槳式風扇的情況，會有 :將結露水扒起來的水滴和螺旋槳式風扇的葉片碰撞的碰 撞聲音、或是被螺旋槳式風扇的葉片彈起而散開的水滴， 碰撞室外熱交換器的鰭片所產生的碰撞聲音變大的問題。 又，用來調整螺旋槳式風扇的氣流的導引環，由於僅能沿 -13- (8) (8)574487 著螺旋槳式風扇的葉片的外周設置’所以導引環的直徑變 大，由於葉片而被彈飛的水滴，從導引環部往風扇室的外 部飛出，而會有水滴從一體型空調機的室外空氣吸入口飛 散至室外的問題。 又，設在螺旋槳式風扇上之用來將結露水扒起的潑濺 環，若與螺旋槳式風扇的葉片之間的距離大而使其直徑變 大，則強度變弱，所以會有無法充分地確保與螺旋槳式風 扇的葉片之間的間隔之問題。因此，一旦設在室外熱交換 的下部之貯水部中的結露水的量變多，不僅是潑濺環，連 螺旋槳式風扇的葉片也會接觸到結露水的水面，不但會發 生葉片拍擊結露水的聲音，同時會有被葉片彈出來的結露 水，從空氣吸入口飛散至一體型空調機的外部之問題。 另一方面，在專利文獻1中，室外風扇採用西洛可送 風機（風扇），將室外空氣，從室外熱交換器側，通過室 外熱交換器，加以吸入。而且，相對於吸入框體內的室外 空氣’利用西洛可送風機的潑濺環使結露水飛散，以該飛 散狀態’從設在室外熱交換器側邊的室外空氣吹出口，吹 出室外。西洛可送風機，由於將通入室外熱交換器而吸入 的室外空氣，通過框體的接口環而吸入，所以無法使由於 潑職環而飛散的結露水，散佈在室外熱交換器，來進行蒸 散處理。 而且，飛散在室外空氣中的結露水，由於以微細的水 滴狀態存在於空氣中，所以會有結露水以水滴狀態吹出至 室外’而弄濕室外空氣吹出口的周圍、或細小的水滴集中 -14· 574487 Ο) 成較大的水滴而從一體型空調機滴下的問題。又，雖然有 藉由含有充分的水分之空氣吹向室外熱交換器，來提高室 外熱交換器的熱交換效率的方法，但是在專利文獻1中， 通過室外熱交換器的室外空氣爲最初吸入的室外空氣，所 以對於先將結露水飛散，而含有充分的水分的室外空氣， 無法有效地活用。又，藉由將在空氣中成爲霧狀的結露水 ，吹向高溫的室外熱交換器，能夠使霧狀的結露水蒸散， 但是由於在專利文獻1中，並沒有吹向室外熱交器而是照 原樣地從室外空氣吹出口吹出，所以結露水是以水滴的狀 態存在，而引起各種問題。 在實施例中，室外風扇採用離心式風扇，將含有結露 水的室外空氣，吹向室外熱交換器，來提高室外熱交換器 的熱交換效率，同時可以使結露水不會從一體型空調機的 空氣吹出口滴下來。 離心式風扇如第5圖或第1 3圖所示，沿著將離心式 風扇固定在旋轉軸上之具有輪轂部的轂襯（板）的圓周部 ，分別固定已成形的葉片的一端，而葉片的另一端則固定 在开< 成空氣吸入口的環狀圓板的覆緣（shroud)上。而且， 藉由離心式風扇的旋轉，將空氣從離心式風扇的旋轉軸吸 入’然後利用轂襯將氣流往離心方向偏向，而從葉片的離 心方向’將空氣吹出。爲了將往離心方向吹出的空氣，往 一定的方向誘導，一般是使用框體。 在專利文獻1中’採用一般被稱爲西洛可送風機（風 扇）的前曲型離心式風扇；而在專利文獻3中，則採用被 -15- (10) (10)574487 稱爲渦輪式送風機（風扇）的後曲型的離心式風扇。 但是，當室外風扇採用離心式風扇的情況，如先前所 述，從軸方向被吸入離心式風扇的空氣，利用位於吸入部 的相反側的轂襯，使氣流偏向而往離心方向吹出。因此， 對於室外風扇採用西洛可風扇的專利文獻1的情況，通過 室外熱交換器將室外空氣吸入之後，將積存於設在框體內 部的貯水部中的結露水，利用設在離心式風扇上的潑濺環 ，將其扒起而散佈至室外空氣的氣流中。但是，卻無法將 含有結露水的室外空氣吹向室外熱交換器，而在框體內， 被導引至設置室外熱交換器側邊的空氣吹出口，而往一體 型空調機1的外部吹出。 又，對於室外風扇採用渦輪式風扇之專利文獻3的情 況，與專利文獻1相同地，通過室外熱交換器，將室外空 氣吸入，然後將此吸入的室外空氣，通過導向葉片，往離 心方向誘導。在專利文獻3中的情況，雖然沒有言及關於 結露水的處理，但是從室外風扇往離心方向吹出的室外空 氣，不會吹向室外熱交換器而被導引至室外側通風路，再 從室外熱交換器兩側的空氣吹出口，往一體型空調機的外 部吹出。 如以上所說明，當室外風扇採用離心式風扇的情況， 室外空氣係通過室外熱交換器而吸入。因此，無法使已經 將結露水散佈在吸入的室外空氣中而成爲溼度高的氣流， 吹向室外熱交換器，因而無法改善室外熱交換器的熱交換 效率。本實施例的室外風扇所採用的離心式風扇，係將使 -16- (11) (11)574487 結露水成爲霧狀，散佈在從離心式風扇吹出的室外空氣中 ’然後將含有霧狀的結露水之氣流，吹向室外熱交換器， 來改善室外熱交換器的熱交換效率，同時利用高溫的室外 熱交換器蒸散霧狀的結露水，使得不會將水滴狀的結露水 吹出至一體型空調機1的外部。 以下，根據圖面來說明本發明的一體型空調機的一實 施例。在本實施例中，室外風扇1 8採用第5圖、第6圖 中所示之相對於旋轉方向的葉片之傾斜角度爲後曲之後曲 型離心式風扇。而且，在室外風扇1 8的覆緣（shroud)部 1 8 a的內徑側，設置吸入空氣的空氣吸入部1 8 b，而 在圓周側，設置使結露水飛散的潑濺環1 8 c。而且，複 數個葉片1 8 d，在轂襯1 8 e和覆緣部1 8 a之間，相 對於旋轉方向，形成後曲，而後曲的葉片1 8 d的外周部 ’相對於旋轉軸，形成大約爲圓筒形。 再者，在專利文獻1中所採用之第1 3圖所示的西洛 可風扇’係相對於旋轉方向之葉片的傾斜爲前曲型的離心 式風扇。又，在專利文獻2中所採用之第1 1圖所示的螺 旋槳式風扇，係在旋轉方向沒有使葉片傾斜，而相對於半 徑方向的法線軸，使葉片扭轉，而能夠將氣流往旋轉軸方 向送出的軸流式風扇。 本實施例的室外風扇1 8，如第7、8圖所示，使室 外風扇1 8的吸入部1 8 b，在風扇用電動機1 7側開放 ’如箭頭所示地吸入室外空氣，然後往離心方向將吹出來 的空氣’吹入由室外熱交換器1 5和風扇室2 4所構成的 -17- (12) (12)574487 艙室2 5內。 艙室2 5的吸入側，設有已經設置在風扇室2 4的接 □環26。此接口環26的端部的直徑（內徑），比室外 風扇1 8的吸入部1 8b的直徑小。而且，接口環26的 端部，突出至吸入部1 8 b的內側，而與吸入部1 8 b僅 重疊尺寸L。 因此，艙室2 5的內部，相對於外部，大致地被遮蔽 ’而成爲能夠維持在比外部高的靜壓狀態。 而且，一般而言，從離心式風扇吹出來的氣流，係藉 由框體而往一定方向誘導，但是在本實施例中，則沒有設 置能在艙室2 5內誘導的框體，而直接地吹出。從室外風 扇往離心方向吹出來的氣流，由於沒有框體，所以吹出來 的氣流速度變慢，變慢的速度成分中的能量，由於變換成 使靜壓上升的成分，所以在艙室2 5內的靜壓變高。藉由 艙室2 5內的靜壓變高，氣流變成可以流到室外風扇1 8 的轂襯1 8 e的背面，因而也可以有效地利用位於轂襯 1 8 e背面的室外熱交換器1 5。 詳細地加以說明。使用習知的此種離心式風扇的情況 ，係製作成可以從根據室內側的吹出口所決定出來的處所 吹出，但是若直接地將此應用在室外側，則空氣僅只有一 部分會通過室外熱交換器，所以會發生室外熱交換器的其 餘部分對於熱交換作用的貢獻度低的問題。 爲了使從室外風扇的吹出口到室外熱交換器爲止的空 間的靜壓變高，如前所述，係作成沒有施行卷繞的框體。 -18 - (13) (13)574487 藉此，由於該空間的靜壓變高，室外熱交換器的大部分係 處於此壓力，而從風扇吹出來的空氣，被施加此室外熱交 換器的壓力，而從全部的面流過鰭片之間，所以熱交換器 的利用率變高。 接著，說明關於結露水處理能力的增大。以往，落在 設於室內熱交換器下部之承接凝結水的盛水盤中的結露水 ，若量過多，由於室外風扇無法處理，爲了使過多的水不 會流散，而設置水坑，且在盛水盤和室外風扇下部的貯水 部之間，作成緩慢的傾斜。 在本實施例中，由於艙室2 5的空氣吸入部槪略地被 遮蔽，所以設在室外風扇1 8外周的飛濺環1 8 c，即使 將貯存在室外風扇1 8下部的結露水扒起，而飛散至艙室 2 5內，該飛散出來的結露水，也不會通過風扇室2 4的 接口環2 6而飛出至艙室2 5的外部。因此，水滴通過外 箱4的上部空氣吸入口 1 2或側部空氣吸入口 1 3，而飛 散至室外或是滴下的情況變少。因此，可以使藉由飛濺環 1 8 c而扒起的水量增加，來提高藉由室外熱交換器1 5 之結露水的處理能力。 由於室外側的結露水處理能力提高，所以能夠使設在 盛水盤2 1和貯水部2 3之間的導水路2 2的傾斜度變大 ，使結露水的流出量變。又，也不需要設置水坑。 一旦導水路2 2的傾斜度變大，相對於貯水部2 3， 盛水盤2 1的高度位置變高。於是，在盛水盤2 1的下部 產生空間。利用將設置於習知的室內空氣吹出口 1 0下部 -19- (14) (14)574487 的電氣品收容箱1 1 ，配置在此空間中，對於設置在室內 空氣吸入口 9的兩側之空氣吹出口 1 〇的配置，產生以下 有利的情況。 第1:能使空氣吹出口 1 0的開口變大；第2 :能夠 將用來驅動設於空氣吹出口 1 0的吹出部分的風向板之驅 動馬達，設置在吹出口1 0的上部或下部。 如此，在本實施例中，由於可以將電氣品收容箱1 1 配置在盛水盤2 1的下部，所以可以將鄰接空氣吸入口 9 的空間（空氣吹出口 1 0、空氣吹出口 1 〇的上部空間或 下部空間），用於各種用途，具有增加製品設計的自由度 的效果。 另一方面，如第1 0圖所示的專利文獻2，室外風扇 採用螺旋槳式風扇的情況，由於用來調整螺旋槳式風扇的 氣流之導引環，只能沿著螺旋槳式風扇的葉片的外周設置 ，所以導引環的直徑變大。因此，被葉片彈飛出來的結露 水，會有從導引環部的空氣吸入口飛出至風扇室的外部， 而從一體型空調機的室外空氣吸入口，以水滴狀態直接地 飛散至室外的問題。又，即使如本實施例般地使接口環 2 6的內徑比風扇的外徑小，當風扇的葉片拍擊水面時之 飛濺的水沬，會有從接口環飛散至外部的可能性。 但是，在本實施例的情況中，由於離心式風扇也就是 室外風扇1 8的吸入部1 8 b，與風扇室2 4的接口環 2 6的端部重疊，所以艙室2 5的外部和內部’成爲槪略 地被遮蔽的狀態，所以飛散至艙室2 5內部的結露水的飛 -20- (15) (15)574487 沬，不會通過一體型空調機1的空氣吸入口而飛散至外部 。因此，產生如前述的效果。 被室外風扇1 8的飛濺環1 8 C扒起而附著在風扇室 2 4的天花板上的飛沬，如第9圖所示，從風扇室2 4的 天花板滴下來而與室外風扇1 8的葉片1 8 d碰撞。本實 施例的室外風扇1 8，如先前所述’相對於旋轉方向T， 葉片1 8 d爲後曲型；又，葉片1 8 d的外周端部，相對 於葉片1 8 d的旋轉軸，大約形成圓筒狀。落下來的水滴 ，在葉片1 8 d的外周面之相當於A、B範圍內，紛紛地 落下，而由於葉片1 8 d往T方向旋轉，所以在範圍A內 ，葉片1 8 d和落下來的水滴，以個別的速度和之狀態下 ，互相地衝突；而在範圍B內，則以個別的速度差之狀態 下，互相地衝突。由於水滴到達圓筒狀的葉片1 8 d的表 面之自由落下速度，約爲lm/s左右，所以遠比葉片 1 8 d外周的旋轉速度小，因而落下來的水滴與葉片 1 8 d碰撞所產生的噪音，也可以認爲是範圍A的水滴所 造成的。而且，本實施例的情況，落下來的水滴，由於以 紛紛地落下之狀態與葉片1 8 d的每一片的外周面C碰撞 ，所以該碰撞的相對速度，可以認爲是葉片1 8 d的半徑 方向的位移速度和水滴到達圓筒狀的葉片1 8 d的表面時 之自由落下速度的和。 在本實施例中，室外風扇1 8的直徑約爲2 9 Omm ，葉片1 8 d的枚數爲7片，室外風扇1 8的旋轉數大約 爲1 2 0 0 r pm，且葉片1 8 d的每一片的圓周方向的 -21 - (16) (16)574487 移動量L約爲5 0 m m，所以葉片和水滴碰撞的相對速度 約爲8 m / s左右。 相對於本實施例，室外風扇採用螺旋槳式風扇的情況 ，如第1 1圖所示，由於葉片直立在半徑方向的法線軸， 所以從風扇室的天花板落下來的水滴，以與螺旋槳式風扇 的葉片之切線方向的速度V之狀態下碰撞。因此，成爲以 自由落下來的水滴的速度和葉片的切線方向的速度之合成 的相對速度，互相地碰撞，該相對速度預估大約爲1 8 m / s 〇 落下來的水滴與旋轉中的葉片碰撞時所產生的噪音， 爲能量的一種，其大小與具有質量m的水滴之能量成比例 。以相對速度V碰撞之具有水滴m的動能P = m X V 2 / 2，所以水滴與葉片碰撞時的噪音水平與相對速度 的二次方成比例。 在本實施例的室外風扇1 8的情況，碰撞時的相對速 度，大約爲螺旋槳式風扇的4 5 %，所以其能量P，相對 於螺旋槳式風扇的情況，大約減少至只剩下2 0 %左右， 因而可以得到噪音水平低的一體型空調機1。 又，在螺旋槳式風扇的情況，具有能量P之水滴m， 以相對速度V碰撞之後，由於往相反方向以速度V ’飛散 ，所以相當於這些水滴的運動量的能量，由旋轉中的風扇 施加給水滴m，則該部分將另外消耗風扇用電動機的動力 。但是’本實施例的室外風扇1 8，紛紛地落在葉片 1 8 d表面上的水滴，係隨著流過葉片1 8 d表面的氣流 -22- (17) (17)574487 ’而從葉片1 8 d的外周端部飛散成爲霧狀，所以風扇用 電動機1 7不需要消耗用來使水滴m飛散的另外的能量， 僅需要用來驅動室外風扇18的能量而不用消耗另外的動 力，而能夠得到省電型的一體型空調機1。 又，室外風扇採用西洛可風扇的情況，從風扇室的天 花板落下來的水滴，由於紛紛地落在西洛可風扇之旋轉中 的葉片之圓筒狀面上，所以水滴碰撞的噪音變低。但是， 由於西洛可風扇的葉片爲前曲式，落下來的水滴，由於旋 轉中的葉片，以與螺旋槳式風扇的情況相同的相對速度， 往切線方向飛散，因而風扇用電動機也會與螺旋槳式風扇 的情況相同地消耗該部分之另外的能量。 本實施例的一體型空調機1中的室外風扇1 8，係利 用從箱體4的上部空氣吸入口 1 2和側部室外空氣吸入口 1 3等處吸入的室外空氣，來冷卻高溫的壓縮機1 4和高 溫的風扇用電動機1 7等。由於室外空氣的溫度遠比高溫 的壓縮機1 4和高溫的風扇用電動機1 7的表面溫度低， 所以能夠有效地冷卻高溫的壓縮機1 4和高溫的風扇用電 動機1 7。而且，冷卻壓縮機1 4和風扇用電動機1 7之 後的室外空氣，如第7圖所示，從風扇用電動機1 7側， 通過接口環2 6，吸入艙室2 5中；而貯存在室外風扇 1 8下部的結露水則李用飛濺環1 8 c使其飛散，同時從 葉片1 8 d的外周端部，隨著氣流’成爲霧狀而散佈在空 氣中，形成含水量多之溼度高的氣流，而吹向室外熱交換 器1 5。結果’室外熱交換器1 5的表面，被在室內熱交 -23- (18) (18)574487 換器1 6中所凝結出來的結露水潤濕而成爲濕潤的表面， 而利用該濕潤的表面來提高室外熱交換器1 5的熱貫流率 ’且由於也可以利用水的蒸發潛熱，所以能夠大幅地提高 室外熱交換器1 5的熱交換效率。 在專利文獻1的情況，室外風扇採用西洛可風扇，而 在安裝有西洛可風扇的葉片之空氣吸入口側的覆緣圓板外 周部，設置飛濺環，來使結露水飛散。但是，雖然將室外 空氣從室外熱交換器的側邊吸入，且將結露水飛散至所吸 入的室外空氣中而形成霧狀，但是，含有結露水之溼度高 的氣流，並沒有吹向室外熱交換器而用於室外熱交換器的 冷卻作用中，反而是從設在室外熱交換器旁邊的空氣吹出 口，照原樣地吹出至室外。又，在專利文獻3中，室外風 扇雖然採用離心式風扇，但是依然是從室外熱交換器側吸 入室外空氣，沒有將結露水飛散至室外空氣中，而從設在 室外熱交換器的兩側的空氣吹出口，照原樣地吹出。 如以上所述，在本實施例中，從外箱4的上部空氣吸 入口 1 2和側部空氣吸入口 1 3等處，將室外空氣吸入， 來冷卻高溫的壓縮機14和高溫的風扇用電動機17等， 然後將該室外空氣從風扇用電動機1 7側，通過風扇室 2 4的接口環2 6加以吸入，將結露水形成霧狀地散佈在 吸入艙室2 5中的室外空氣中，成爲溼度高的氣流，再吹 向室外熱交換器1 5，使室外熱交換器1 5的表面成爲濕 潤的表面’來提高熱交換效率。又，利用飛濺環1 8 c扒 起在室內熱交換器中凝結出來的結露水，再從室外風扇 -24- (19) (19)574487 1 8的葉片1 8 d的外周端部，形成微細的霧狀而散佈在 氣流中，所以能夠容易地使結露水在室外熱交換器1 5的 表面上蒸散’於是結露水不會以水滴狀態飛散至一體型空 調機1的外部。又，由於室外風扇1 8的飛濺環1 8 c係 與覆緣部1 8 a的外周圓板一體地成形，所以不會降低飛 濺環1 8 c的強度而能夠充分地確保與葉片χ 8 d之間的 距離。藉此，積存於設在室外風扇1 8下部的貯水部2 3 中的結露水，即使過多，室外風扇1 8的葉片1 8 d也不 會拍擊結露水的水面，所以不會發生葉片1 8 d使結露水 彈飛而從一體型空調機的空氣吸入口將結露水吹出、或是 產生拍擊結露水的噪音等的問題。而且，能夠增加處理水 量。 接著，說明室內側8。由於使在室外側中的結露水處 理量增加，在盛水盤2 1的下部形成空間，而將電氣品收 容箱1 1配置在該空間內，如上述般地增加設計空氣吹出 口 1 0的空間設計自由度。但是，若沒有變更室內熱交換 器的尺寸，在室內熱交換器1 6的下部設置空間，則全體 的高度也會隨著該空間而變高。又，若變更室內熱交換器 1 6的高度尺寸，則熱交換量減少。此情況，由於風扇直 徑也變小，所以風量變小。以下說明解決此種問題的實施 例。 習知的室內側風扇，大多採用西洛可風扇。但是，在 本實施例中，室內風扇1 9也採用如第1 4圖所示的後曲 型渦輪式風扇。而且，如第1 5圖所示，在化粧板3的中 -25- (20) (20)574487 央部，設置空氣吸入口 9，且在空氣吸入口 9的兩側，設 置空氣吹出口 1 0，而能夠從化粧板3的兩側吹出冷氣。 藉由從化粧板3的兩側吹出冷氣，與僅從一個吹出口將冷 氣吹到室內的情況相比，能夠將冷氣送至室內的較寬範圍 而可以將室內調溫成大致相同的溫度。再者，在空氣吸入 口 9的上部，也可以設置空氣吹出口。此情況，由於產生 吹向天花板的氣流，所以能夠遍及整個室內地進行冷卻調 又，當安裝一體型空調機1時，可以消除由於空氣吹 出口的位置靠近牆壁而難以將冷氣吹到房間全體之安裝條 件的限制。 第1 7圖表示離心風扇的風量-靜壓特性。後曲型渦 輪式風扇的風量-靜壓特性曲線爲I、前曲型的西洛可風 扇的特性曲線則以Π來表示。因此，當風量相同時，離心 式風扇的靜壓，後曲型的渦輪式風扇比前曲型的西洛可風 扇小，由於能夠縮小框體的擴大角度，所以能夠作成將離 心式風扇和框體收容在比較小的空間中。 室內風扇採用西洛可風扇的情況，如第1 6圖所示， 西洛可風扇的框體的擴大角變大，於是由於框體的前端部 大幅地變寬，所以會有從空氣吹出口的下部或上部吹出冷 氣的傾向。又，由於靜壓高，冷氣沿著框體外周不平均地 流動，於是從空氣吹出口吹出來的冷氣，並沒有整個空氣 吹出口均勻地吹出，而是如箭頭所示般地從送出冷氣的空 氣吹出口的相反側的端部，吹出冷氣。 -26- (21) (21)574487 本實施例，爲了解決上述課題，室內風扇1 9採用後 曲型的渦輪式風扇。如先前所述，由於可以縮小室內風扇 1 9的框體2 0的擴大角，所以能夠使框體2 0的前端部 的擴大程度變小。如第1 5圖所示，將框體2 0的前端部 的擴大程度，作成與空氣吹出口 1 0的高度大致相同的高 度，而變成將冷氣從空氣吹出口 1 0的橫方向送風。因此 ，靜壓變低，不均勻度變小 又，在室內風扇採用西洛可風扇之第1 6圖的情況， 由於框體的擴大角大，電氣零件的收容空間，僅能利用框 體2 0的鼻部的空間。因此，電氣零件的收容空間被限制 在框體的鼻部的位置，而被配置在一體型空調機的左右兩 側中的其中一側，所以當安裝一體型空調機時，發生··爲 了要使電氣品的操作部不會由於靠近壁面而操作困難，而 要使電氣品的操作部離開壁面之安裝方面的問題。 如先前所述，藉由室內風扇1 9係採用渦輪式風扇， 能夠使框體2 0的擴大角變小，比起採用西洛可風扇的情 況，能夠使包含框體2 0的風扇的形狀小型化。 因此，即使將盛水盤2 1的高度位置變高而在其下部 配置電氣品收容箱11，也能夠一邊確保風扇的風量一邊 使單元全體的高度不致變高。 可是，第1 8圖所示的基座5，由於要支撐被承載在 單元中的零件的質量，所以必須在基座5的周圍設置往上 旋壓成形的立起部5 a，來確保必要的強度。因此，即使 在基座5的上部能夠確保收容具有操作部之電氣品收容箱 -27- (22) (22)574487 (電氣零件）1 1的高度η ’由於有立起部5 a，有效的 高度變成Η ’，而無法利用基座5的上部空間。因此，在 本實施例中，並不是將具有操作部的電氣零件1 1收容在 擁有立起部5 a的基座5的上部空間，而是在位於立起部 5 a相反側之基座5的下部，設置用來收容具有操作部的 電氣零件11之空間5b (參照第2圖），而在該處收容 具有操作部的電氣零件1 1。亦即，藉由室內風扇1 9採 用渦輪式風扇，使盛水盤2 1相對應地變高，而使在該盛 水盤2 1下部的基座5，往上旋壓成形至盛水盤2 1的高 度爲止，而將具有操作部的電氣零件1 1收容在基座5的 下部。 藉此，將用來確保基座5的強度的立起部5 a保留下 來，且由於能夠將具有操作部的電氣零件1 1配置在化粧 板3的中央部，所以不會降地一體型空調機1的強度，並 能消除安裝時的限制條件。又，藉由將具有操作部的電氣 零件1 1收容在基座5的下部，即使具有操作部的電氣零 件1 1萬一發生故障，而需要維修時，能夠使維修作業容 易而縮短維修時間，來提高作業效率。 又，由於使盛水盤2 1的高度比以往更高，能夠使將 盛水盤2 1的結露水導引至設在室外風扇1 8下部的貯水 部2 3之導水路2 2的傾斜度變大，使結露水不會從盛水 盤2 1或導水路2 2等處溢出，而變成能夠確實地送至貯 水部2 3中。又，相對於因爲基座5具有立起部5 a而無 法有效地活用高度空間的情況，使盛水盤2 1底部的隔熱 -28 - (23) (23)574487 材厚度增加來提高隔熱效果，來解決由於熱傳導所造成之 具有操作部的電氣零件1 1的結露問題。 進而，藉由將具有操作部的電氣零件1 1設置在一體 型空調機1的中央部，由於能夠確保空氣吹出口 1 〇下部 的自由的空間，所以可以在該空間配置小型馬達等，來使 設在空氣吹出口 1 0的風向偏向板，自動地運轉。又，在 本實施例中，雖然已經說明了在左右兩處設置空氣吹出口 1 0的情況，但是藉由框體2 0的擴大角變小，進一步地 設置複數個空氣吹出口，可以均勻地將冷氣吹出至房間的 寬廣範圍。 又，在本實施例中，雖然僅說明一體型空調機1的冷 氣運轉，但是藉由將冷凍循環作成能夠切換成冷氣運轉、 暖氣運轉以及其他運轉，在各個運轉模式中，能夠得到上 述效果。 如前所述，若室外風扇採用螺旋槳式風扇，會有以下 的問題。在螺旋槳式風扇的葉片的外周，安裝著用來扒起 結露水的飛濺環。但是，一旦爲了使螺旋槳式風扇高風量 化而增加螺旋槳式風扇的外徑，則風扇外徑相當接近設在 螺旋槳式風扇外周的飛濺環的外徑。因此，一旦水量多， 則螺旋槳式風扇的一部分，會扒起結露水。且由於螺旋槳 式風扇的葉片的前端，相對於水面，以幾乎直角的角度入 射，則一旦此螺旋槳式風扇的葉片將水扒起，則風扇的葉 片會直接拍撃水面，而被拍擊的水會往多個方向飛散。此 時，由於螺旋槳式風扇直接拍擊水的聲音、以及彈起來的 •29- (24) (24)574487 水碰撞框體內部而產生噪音，此聲音將妨礙低噪音化。又 ，特別成爲問題的是：在室外側框體，設有用來將外氣吸 入框體內部的換氣口，而飛散出來的結露水，則會發生逆 氣流地從換氣口飛散至室外的問題。又，由於螺旋槳式風 扇直接拍撃結露水，會有送風機馬達輸入上升的問題。 在本實施例中，採用作成後曲翼形狀的渦輪式風扇， 其目的主要在於解決以下的課題。再者，所列舉的這些課 題，係本實施例所要達成的效果，但是這些課題並不是用 來限定本發明。 對於在凝結器的上游側（上風側）配置室外風扇的空 調機器，第1 :有起因於風扇的昇壓作用的課題；有伴隨 著在凝結器的中央部分之逆流所產生的無法充分地進行熱 交換的問題；有起因於在外周部分吹出而在內徑部分產生 逆流所造成的短路問題；以及爲了利用風扇的葉片使空氣 大幅地轉向，氣流在翼面上發生剝離，噪音變高同時由於 失速而導致效率大幅地降低之問題。第2 :有起因於設在 風扇外周部的飛濺環及葉片外周部，將結露水扒起所造成 的課題；有風扇的葉片直接拍擊水所產生的聲音、彈起來 的水碰撞框體內部所產生的聲音之問題；以及有由於風扇 直接拍擊結露水而使送風機馬達輸入上升的問題。第3 : 有結露水從用來吸入外氣的換氣口及凝結器的吹出部飛散 的問題。 以下詳細地說明應用在本發明的一體型空調機中的室 外風扇，而在詳細地說明之前，先簡單地說明其槪要。 -30 - (25) (25)574487 第1 :由轂、複數個扇葉、及覆緣部所構成的風扇（ 離心式送風機），具備該扇葉外徑係從覆緣部側向轂側方 向變小或是一邊具有反曲點一邊變小的形態之扇葉；在覆 緣部1 8 a外周部，設置：具有結露水飛散作用，且其外 徑比扇葉外徑更大之構造的環狀物。 第2 :在前述離心式風扇的轂的外周部，設置：其外 徑比扇葉的外徑大，且具有讓吹出空氣通過的孔之環狀物 〇 第3 :在位於上述離心式風扇的覆緣部和轂的中間之 扇葉的外周部，設置具有讓空氣通過的孔之環狀物。 第4 :對於具備輪轂、複數個扇葉、及覆緣部，而在 覆緣部側設置具有結露水飛散作用的環狀物之離心式風扇 ，具備：該扇葉外徑係從覆緣部側向輪轂側方向變小或是 一邊具有反曲點一邊變小的形態之扇葉；並具備：在經向 面具有至少2個反曲點之形狀，而吹出氣流朝向軸方向的 覆緣部。 第5:具備上述環狀物的離心式風扇，具備：該扇葉 外徑係從覆緣部側向輪轂側方向變小或是一邊具有反曲點 一邊變小的形態之扇葉；並藉由：輪轂側扇葉外徑，不到 覆緣部側扇葉外徑的8 5 % ;覆緣部側扇葉內徑，爲覆緣 部側扇葉外徑的7 5%以上；扇葉出口寬度爲扇葉外徑的 2 5 %以上；而輪轂側扇葉內徑，不到扇葉外徑的7 5 % 之形態來構成。 第6 :具備上述環狀物的離心式風扇，當扇葉出口寬 -31 - (26) (26)574487 度爲輪轂外徑的3 〇 %以上、或是輪轂側扇葉內徑爲扇葉 外徑的5 0 %以下的情況’在扇葉和扇葉之間’設置其內 徑比輪轂側扇葉內徑大的小葉片。 根據第1 9圖和第2 〇圖來說明關於本實施例的離心 式風扇。第1 9圖和第2 0圖係表示離心式風扇的立體槪 略圖和經向面形狀° 離心式風扇1 8 ’係由：在旋轉中心部’具有傳達從 風扇馬達1 7傳來的旋轉力之轂1 8 S的輪轂1 8 f ;在 輪轂1 8 f ，隔開一定間隔配置的複數個葉片（扇葉） 1 8 d ;及在輪轂1 8 f的相反側’與各扇葉連結的覆緣 部1 8 a，所構成。扇葉1 8 d ’可以作成以覆緣部 1 8 a爲最大外徑而向輪轂1 8 f側’外徑逐漸地變小之 形狀；也可以作成如圖所示般地從覆緣部側向輪轂側’爲 了使吹出氣流速度分布適當化，而在途中具有反曲點。又 ，扇葉1 8 d的輪轂側外徑，在圖中係與輪轂的外徑 D2H相同，但是也可以比輪轂外徑大。又’扇葉的輪轂 側內徑D i Η的特徵爲：與覆緣部側內徑D i S相比，相 當地小。 在具有比扇葉外徑D 2大的外徑D 2 S L之覆緣部 1 8 a的外周，作成具備環狀的飛濺環1 8 c的構造。此 飛濺環1 8 c ，在圖中的形狀爲其外周部與軸平行的圓筒 狀的形狀，但是只要是作成能有效地扒起結露水的形狀便 可以。 離心式風扇1 8的飛濺環1 8 c，該飛濺環1 8 c的 -32- (27) (27)574487 外徑D2SL·與扇葉最大外徑D2的關係爲D2SL>D2 ; 由於飛濺環1 8 C係被設置在從扇葉最大外徑D 2往外隔 開適當距離的位置，所以扇葉1 8 d幾乎不會發生浸在結 露水中的情況。 即使結露水的水位上升至會浸到扇葉1 8 d的位置’ 由於此種離心式風扇爲渦輪式風扇且作成後曲翼形狀’所 以扇葉的翼面會如撫摸般地通過水面，而減少飛沬從室外 空氣吸入口飛散至外部的可能性。另一方面，在螺旋槳式 風扇的情況，螺旋槳式風扇的扇葉，由於相對於水面的入 射角爲銳角，因而有：以銳角地拍擊水面，使得飛沬往四 方擴散，其中一部份飛散至室外機外部的問題。 因此，結露水的扒起，理想狀態爲一直僅利用飛濺環 1 8 c來進行，而可以降低扒起時的噪音。又，若安裝離 心式風扇來作爲室外風扇，由於離心式風扇的吸入口的口 徑D i S比習知的螺旋槳式風扇的口徑小，所以結露水幾 乎不會往室外熱交換器以外的方向飛濺，因而結露水變成 不會從設在室外側框體的外氣吸入口飛散出去。因此，藉 由飛濺環1 8 c所產生的結露水扒起能力，能夠增大而不 會使結露水飛散至室外機外，能夠增加結露水的處理能力 〇 又，利用將扇葉1 8 d的形狀作成使輪轂側外徑 D 2 Η，相對於覆緣部側最大外徑d 2，爲D 2 > D 2 Η， 能夠一般地將輪轂側的風速、風量變高的離心式風扇的出 口寬度方向的風速、風量，適度地加以調整，同時能夠減 -33- (28) (28)574487 少該部分的輪轂側的風扇所作的功，與具有大致平行於旋 轉軸之扇葉外徑的習知的扇葉形狀的離心式風扇相比，確 認風扇馬達所消耗的電力大約減少8 %。因此，使用此離 心式風扇1 8，可以使風扇馬達省電化。 接著，根據第2 1圖和第2 2圖來說明其他的離心式 風扇的實施例。 離心式風扇1 8，係由：在旋轉中心部，具有傳達從 風扇馬達傳來的旋轉力之轂1 8 g的輪轂1 8 f ;在輪轂 18f ，隔開一定間隔配置的複數個扇葉18d;及在輪 轂1 8 f的相反側，與各扇葉連結的覆緣部1 8 a，所構 成。 離心式風扇1 8，在從輪轂1 8 f的外周，隔開一定 間隔的位置處，設置環狀的飛濺環1 8 c ;輪轂1 8 ί和 飛濺環1 8 c以複數個支柱2 0 1連結；各支柱2 0 1間 ，作成設有空隙2 0 2的構造。例如，將扇葉1 8 d的外 徑，交互地作成具有反曲點的部分和大致與旋轉軸平行的 部分；具有反曲點的扇葉部分的飛濺環，設有孔，而以其 餘的扇葉部分，將輪轂1 8 f和飛濺環1 8 c連結起來， 具有一體成型的效果。 說明將上述離心式風扇應用作爲一體型空調機的室外 側風扇的例子。離心式風扇的飛濺環1 8 c，由於設在輪 轂1 8 f側’而成爲飛濺環ί 8 c被配置在室外熱交換器 附近的構造。因此，增加以飛濺環1 8 c扒起來的結露水 ’直接吹向熱交換器的比例，而能夠有效率地使結露水用 -34- (29) (29)574487 於熱交換處理中。藉此，能夠增加結露水的處理量，不必 在設於室內熱交換器下部的盛水盤中採取暫時地積存結露 水的手段’而能夠使結露水不會積水地送至設於室外風扇 下部的貯水部中。結果，變成可以使盛水盤的高度位置比 貯水部高，而在此盛水盤下部空出來的空間中，能夠配置 電氣品收容箱。此點與前述各實施例所示者相同。 第2 3圖和第2 4圖係表示在上述輪轂1 8 f側，設 置飛濺環的另外的實施例。扇葉1 8 d的外徑變化，係從 覆緣部1 8 a側到輪轂1 8 f側逐漸變小；又，成爲一邊 具有反曲點一邊變小的構造；由於另外地將飛濺環1 8 c 安裝在輪轂1 8 ί上或輪轂1 8 f附近，具有將送風的效 果和飛濺的效果最大可能地引出之效果。 接著，根據第2 5圖和第2 6圖來說明另外的實施例 〇 離心式風扇1 8，係由：在旋轉中心部，具有傳達從 風扇馬達傳來的旋轉力之轂1 8 g的輪轂1 8 f ;在輪轂 1 8 f ，隔開一定間隔配置的複數個扇葉1 8 d ;及在輪 轂1 8 f的相反側，與各扇葉連結的覆緣部1 8 a ，所構 成。 離心式風扇1 8，在扇某1 8 d的外周上’從扇葉 1 8 d隔開一定間隔’設置飛濺環1 8 c ;而利用扇葉外 徑部分，連結飛濺環1 8 c和扇葉1 8 d。 將上述離心式風扇應用作爲一體型空調機的室外側風 -35- (30) (30)574487 扇，除了具有與前述實施例相同的效果以外，進一步地能 夠將從覆緣部1 8 a和輪轂1 8 f之間吹出的氣流的方向 ，往下游方向往任意的方向轉向，具有能夠減少吹出空氣 的損失之效果。 在圖中，飛濺環1 8 c係往下游側傾斜，但是可以採 用能夠將送風作用和飛濺作用發揮至最大化的形狀。 接著，根據第2 7圖來說明其他的實施例。離心式風 扇1 8，係由：在旋轉中心部，具有傳達從風扇馬達傳來 的旋轉力之轂1 8 g的輪轂1 8 f ;在輪轂1 8 f ，隔開 一定間隔配置的複數個扇葉1 8 d ;及在輪轂1 8 f的相 反側，與各扇葉連結的覆緣部3 0，所構成。覆緣部3 0 的吹出部3 0 a的形狀，往軸方向成形。在覆緣部3 0的 外周部，具備飛濺環18c。 一般而言，離心式風扇，係將從吸入口 4 0 1吸入的 流體，往圓周方向吹出；但是藉由離心式風扇1 8，從吸 入口 4 0 1吸入的流體，產生沿著覆緣部3 0往軸方向的 流動。 利用將離心式風扇1 8應用作爲一體型空調機的室外 側風扇，由於能夠將從送風機（風扇）的軸方向吸入的空 氣，往軸方向直接吹出而吹向室外熱交換器，所以變成可 以均勻地將空氣供應至熱交換器的傳熱面。又，藉由飛濺 環1 8 c ，可以得到與前述實施例同樣的效果。 接著，說明前述離心式風扇的各要素，以第1圖所示 的離心式風扇爲例來加以說明。 -36- (31) (31)574487 實施例1〜4中所示的離心式風扇，係構成：其輪轂 側扇葉外徑D 2 Η，不到覆緣側扇葉外徑D 2的8 5 % ; 而覆緣側扇葉內徑D i S爲覆緣側扇葉外徑D 2的7 5 % 以上；扇葉出口寬度b2爲扇葉外徑D2的2 5%以上； 輪轂側扇葉內徑DiH，不到扇葉外徑D2的7 5%。 藉由本實施例的離心式風扇，以相同風量爲基準，與 習知的離心式風扇比較，具有運轉所需消耗的電力大約減 少8 %，且運轉噪音也能夠減少1 · 5 d B的效果。 接著，關於其他實施例，根據第2 8圖來加以說明。 本實施例的1〜5中所示的離心式風扇1 8，當扇葉出口 寬度b 2爲扇葉外徑D2的3 0%以上或是輪轂側扇葉內 徑D i Η爲扇葉外徑D 2的5 0 %以下的情況，在各扇葉 1 8 d之間，配置子葉片5 0 0。配置在輪轂1 8 f上的 複數個子葉片500，與覆緣部18a和輪轂18f連結 。或是與覆緣部連結，而在覆緣部1 8 a和輪轂1 8 f之 間的適當位置，具有子葉片端面的構造。子葉片5 0 0的 內徑D iW和輪轂側扇葉內徑D 的關係爲D iW> D i Η。 通常實現高風量的情況，係採用使覆緣部內徑D 1 S 變大、增加風扇的出口寬度或是同時採用兩者的手段；此 時，一般而W，若不採用增加扇葉數量的手段，則會面臨 反效果地風扇壓力下降因而導致風量降低的問題。但是， 若僅是增加相同形狀的扇葉，扇葉的入口側的流入面積， 會由於扇頁的厚度而減少，速度增加，大多無法實現所期 -37- (32) (32)574487 待的高風量化。但若不減少扇葉入口附近的面積而在出口 附近增加扇葉數量的話，則能夠得到所期待的風量增加。 因此，如第2 8圖所示，設置子葉片5 0 0。此子葉片 5 0 0的安裝，在相同噪音程度之下，產生增加5%程度 的風量之效果。 以上，使用一體型空調機來說明本實施例，但是不限 於空調機，也可以將本實施形態的離心式風扇應用在冷卻 或換氣等的領域中所使用的風扇（送風機）中。例如，被 應用在空調機、換氣扇、送風機、車輛用冷卻器（引擎、 空調）的送風等的機器中的離心式風扇。又，作成除去上 述離心式風扇的環狀物（飛濺環1 8 c )後之形狀的離心 式風扇，也可以應用在一體型空調機的室內風扇、車輛用 引擎冷卻用的汽車水箱風扇等之中。 如以上所述，若根據本實施例，具有以下所述的效果 〇 藉由將前述室外風扇配置在前述室外熱交換器的室內 側，使此室外風扇，作成使風扇軸方向的空氣吸入口的直 徑比風扇的直徑小之形態的風扇；且在包圍此風扇周圍的 風扇室的下部，設置積存從前述導水路來的結露水之貯水 部，且作成使從前述單元的周圍吸入的空氣，可以經由前 述室外風扇，從前述室外熱交換器吹出之手段，除了能夠 提高室外熱交換器的效率以外，同時使結露水不會從一體 型空調機的空氣吸入口飛散至一體型空調機的外部。 藉由將前述室外風扇配置在前述室外熱交換器的室內 -38- (33) (33)574487 側，使此室外風扇，作成使風扇軸方向的空氣吸入口的直 徑比風扇的直徑小之形態的風扇；且在包圍此風扇周圍的 風扇室的下部，設置積存從前述導水路來的結露水之貯水 部，且作成使從前述單元的周圍吸入的空氣，可以經由前 述室外風扇，從前述室外熱交換器吹出，而在前述盛水盤 下部，配置設有操作部的電氣品收容箱（電氣零件）之手 段，當要做成利用馬達來驅動室內空氣吹出口的縱葉片和 橫葉片的時候，能夠在室內空氣吹出口，設置用來配置馬 達等的空間。 【發明之效果】 若根據上述本發明，能夠提供一種結露水難以飛散至 室外的一體型空調機。 又，若根據本發明，能夠提供一種確保室內的空 氣吹出口的高度尺寸之自由度的一體型空調機。 【圖式簡單說明】 第1圖係根據本發明的一實施例的外觀圖。 第2圖係從下方來看本實施例的一體型空調機的單元 的外觀圖。 第3圖係本實施例的一體型空調機的平面圖。 第4圖係本實施例的一體型空調機的要部剖面圖。 第5圖係室外風扇的外觀圖。 第6圖係室外風扇的剖面圖。 -39- (34)574487 第7圖係室外風扇部的氣流說明圖 第8圖係室外風扇和接口環部的說 第9圖係根據室外風扇之落下來的 〇 第1 0圖係根據螺旋槳式風扇的氣 第1 1圖係根據螺旋槳式風扇之落 說明圖。 第1 2圖係根據西洛可風扇之落下 明圖。 第1 3圖係西洛可風扇的外觀圖。 第14圖係室內風扇的外觀圖。 第1 5圖係將化粧板卸下後之室內 第1 6圖係將習知例的化粧板卸下 圖。 第1 7圖係離心式風扇的風量一靜 第1 8圖係電氣零件收容部的說明 第1 9圖係離心式送風機立體圖。 第2 0圖係表示離心式送風機的構 第2 1圖係表示離心式送風機的構 第2 2圖係離心式送風機的正面剖 第2 3圖係表示離心式送風機的構 第2 4圖係離心式送風機的正面剖 第2 5圖係表示離心式送風機的構 第2 6圖係離心式送風機的正面剖 明圖。 水滴處理的說明圖 流說明圖。 下來的水滴處理的 來的水滴處理的說 側的前視圖。 後之室內側的前視 壓特性曲線圖。 圖。 造的剖面圖。 造的剖面圖。 面圖。 造的剖面圖。 面圖。 造的剖面圖。 面圖。 -40 · (35) (35)574487 第2 7圖係表示離心式送風機的構造的剖面圖。 第2 8圖係離心式送風機的正面剖面圖。 【符號說明】 1 : 一體型空調機 2 :單元 3 :化粧板 4 :箱體 5 :基座 6 :隔板 7 :室外側 8 :室內側 9 :空氣吸入口 1 0 :空氣吹出口 1 1 :具有操作部的電氣零件 1 2 :上部室外空氣吸入口 1 3 :側部室外空氣吸入口 1 4 :壓縮機 1 5 :室外熱交換器 1 6 :室內熱交換器 1 7 :風扇用電動機 1 8 :室外風扇 1 9 :室內風扇 2 0 :框體 -41 - (36) (36)574487 2 1 :盛水盤 2 2 :導水路 2 3 :貯水部 2 4 :風扇室 2 5 :艙室 2 6 :接口環 2 7 :接口環574487 (1) 发明 Description of the invention [Technical field to which the invention belongs] The present invention relates to an integrated air conditioner. [Prior Art] A conventional integrated air conditioner disclosed in Japanese Laid-Open Publication No. 4 8 -1 0 9 744 (Patent Document 1) states that the air condensed by the indoor heat exchanger is contained in the indoor air. The water content is received by a water tray arranged in the lower part of the indoor heat exchanger, and then this water is led to the lower part of the outdoor fan, which is the Siroko blower (multi-blade blower). The outer ring is a technology that blows out the air in a radial direction together with the air sucked in through the outdoor heat exchanger, and releases it to the outside. However, if water is blown directly from the integrated air conditioner out of the room in this way, there will be a problem of mist spraying water around the air conditioner. Further, in Japanese Patent Application Laid-Open No. 8-2 6 1 4 9 9 (Patent Document 2), it is known to dispose a propeller fan (air blower) inside an outdoor heat exchanger and suck air from the side of the outdoor unit The structure that blows to the outdoor heat exchanger and allows the sucked outdoor air to pass through the outdoor heat exchanger to blow out the outdoor. Furthermore, Japanese Unexamined Patent Publication No. 53-1 575 50 (Patent Document 3) describes an integrated air conditioner having air outlets provided on both sides of an air inlet in the center of the front side of the room. [Patent Document 1] (2) 574487 Japanese Patent Publication No. 48-109744. [Patent Document 2] Japanese Patent Application Laid-Open No. 8-26 1 4 9 9. [Patent Document 3] Japanese Utility Model Publication No. 5 3-1 5 7 5 50. [Summary of the Invention] (Problems to be Solved by the Invention) Although there is no description on the treatment of dew condensation in Patent Document 2, such a configuration uses the dew condensation water to be guided to the lower part of the propeller fan, and is designed by A splash ring on the outer periphery of the propeller fan removes water and blows it to an outdoor heat exchanger that becomes a condenser to evaporate. At the same time, the efficiency of the outdoor heat exchanger can be improved. However, in this propeller fan, when the surface of the dew condensation water is full enough to hit the blades of the fan, when the blades touch the water, the water will bounce out, causing the airflow to fly away from the outdoor air suction inlet to the outside of the unit. the result of. In the integrated air conditioner described in Patent Document 3, since the height dimension of the indoor air outlet is approximately the same as that of the unit (module), for example, when a motor is used to make a longitudinal or transverse wing of the indoor air outlet When the member is swung, there is no gap between the lowermost or uppermost part of the air outlet and the unit floor or ceiling, and there is a problem that the motor cannot be installed. That is, when it is intended to be arranged at the lower or upper part of the air outlet, there is a problem that the space is not available. Furthermore, a general integrated air conditioner is provided with an electric product of an operation panel. (3) (3) 574487 The storage box is arranged below the air outlet. This structure will increase the height of the air outlet. The size is higher, and when another member is to be arranged at the lower or upper part, there is a problem that there is no space in which the member can be arranged. An object of the present invention is to provide an integrated air conditioner in which dew condensation is hardly scattered outside. Another object of the present invention is to provide an integrated air conditioner which ensures a degree of freedom in the height dimension of an indoor air outlet. (Means for solving problems) The above-mentioned object is directed to a unit including: a compressor, an outdoor heat exchanger, an indoor heat exchanger, an indoor fan, and an outdoor fan; and a unit provided below the indoor heat exchanger for receiving A water pan for condensed water; and an integrated air conditioner configured to guide the water in the water pan to a water channel below the outdoor fan, by disposing the outdoor fan on the indoor side of the outdoor heat exchanger, This outdoor fan is a fan in which the diameter of the air suction port in the direction of the fan shaft is smaller than the diameter of the fan; and a water storage unit that collects dew water from the water channel is provided in the lower portion of the fan chamber surrounding the fan. In addition, the air taken in from the surroundings of the unit can be achieved by blowing out the outdoor heat exchanger through the outdoor fan. In addition, the above-mentioned other objects are directed to a unit provided with a compressor, an outdoor heat exchanger, an indoor heat exchanger, an indoor fan, and an outdoor fan. The unit is provided below the indoor heat exchanger to receive condensed water. -9- (4) (4) 574487 water tray; and an integrated air conditioner that guides the water from the water tray to the water guide channel below the outdoor fan, by disposing the outdoor fan in the outdoor On the indoor side of the heat exchanger, the outdoor fan is made into a fan having a diameter of the air intake opening in the direction of the fan shaft smaller than the diameter of the fan; and a lower part of the fan chamber surrounding the fan is provided with a reservoir from the aforementioned guide. The water storage section of the dew condensation water from the water channel is formed so that the air sucked from the surroundings of the unit can be blown out from the outdoor heat exchanger through the outdoor fan, and an electrical product with an operation section is arranged below the water tray. Containment box means to achieve. [Embodiment] (Embodiment of the present invention) Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an external view of an embodiment of the integrated air conditioner according to the present invention; FIG. 2 is an external view of a unit (assembly) of the integrated air conditioner of the present embodiment viewed from below; A plan view of the integrated air conditioner of this embodiment; FIG. 4 is a cross-sectional view of a main part of the integrated air conditioner of this embodiment. In Figs. 1 and 2, reference numeral 1 indicates an integrated air conditioner, reference numeral 2 indicates a unit (component), reference numeral 3 indicates a makeup plate of 75, reference numeral 4 indicates a cabinet, and reference numeral 5 indicates a base of a component of a load bearing unit. Numeral 9 indicates an air inlet of the makeup board 3, numeral 10 indicates an air outlet, numeral 11 indicates an electric component (electrical product storage box) having an operation portion, numeral 1 2 indicates an upper outdoor air intake, and numeral 13 indicates Side outdoor air -10- (5) (5) 574487 air intake. In Figs. 3 and 4, reference numeral 6 indicates a partition, reference numeral 7 indicates an outdoor side partitioned by the partition plate 6, and reference numeral 8 indicates an indoor side partitioned by the partition plate 6. In addition, reference numeral 14 indicates a compressor, reference numeral 15 indicates an outdoor heat exchanger, reference numeral 16 indicates an indoor heat exchanger, reference numeral 17 indicates a fan motor, and reference numeral 18 indicates an outdoor fan installed on the outdoor side of the fan motor. The symbol 19 indicates an indoor fan installed on the indoor side of the fan motor. The symbol 2 0 indicates the frame of the indoor fan. The symbol 2 1 indicates a water pan for receiving dew condensation condensed in the indoor heat exchanger 16. The symbol 2 2 indicates a water channel, symbol 2 3 indicates a water storage unit provided under the outdoor fan, symbol 24 indicates a fan chamber, symbol 25 indicates a cabin, and symbol 26 indicates a mouth ring of the fan chamber 2 4 and symbol 7 indicates an indoor side Interface ring. The main parts constituting the integrated air conditioner 1 are carried on the base 5 and constitute the unit 2; the unit 2 is housed in a box (outer box) 4, and a makeup plate 3 is installed on the front to constitute Integrated air conditioner 1. The integrated air conditioner 1 described above divides the interior of the integrated air conditioner 1 into an outdoor side 7 and an indoor side 8 through a partition 6 provided at the center of the base 5; and exchanges indoor heat The device 16 is disposed on the indoor side 8, and a water pan 21 is provided below the indoor heat exchanger 16. In the rear portion of the indoor heat exchanger 16, a rotating shaft of the fan motor 17 arranged on the outdoor side 7 penetrates the partition plate 6 and protrudes to the indoor side 8. An indoor fan 19 is mounted on an end portion thereof. The interface ring 2 7 is disposed between the indoor heat exchanger 16 and the indoor fan 19, and the indoor fan 19 rotates and sucks -11-(6) (6) 574487 indoor air through this interface ring 2 7 and Inhaled by the indoor fan 19. On the other hand, on the outdoor side 7, an outdoor-side rotation shaft provided on the opposite side of the indoor-side rotation shaft of the conventional fan motor 17 projects to the inside of the cabin 25, and an outdoor fan 18 is mounted on a front end portion thereof. Then, the fan motor 17 is driven, and the outdoor fan 18 is driven to pass outdoor air through the upper outdoor air inlet 12 and the side outdoor air inlet 1 3 of the outer case 4 to the inside of the integrated air conditioner 1 To cool the compressor 14 and fan motor 17 arranged on the outdoor side 7 and the like. The outdoor air cooled by the compressor 14 and the fan motor 17 is sucked into the cabin 25 through the interface ring 26 of the fan chamber 24. The dew condensation water accumulated in the lower part of the outdoor fan 18 is scattered into the outdoor air to become a mist, and the outdoor air containing the misty dew is blown to the outdoor heat exchanger 15 to cool the outdoor heat. Exchanger 1 5. Accordingly, the surface of the outdoor heat exchanger 15 is used to evaporate the dew condensation water. By turning on the power switch of the electric part 11 having the operation section located at the lower part of the makeup plate 3, the integrated air conditioner 1 starts to operate. The operation mode of the integrated air conditioner 1 can be configured as a cooling operation, a heating operation, or other operation modes by changing the arrangement or combination of parts of a refrigeration cycle. However, the description of this embodiment will describe the cooling operation. By turning on the power switch, the high-temperature and high-pressure gaseous refrigerant sent from the compressor 14 is sent to the outdoor heat exchanger 15 and the refrigerant entering the outdoor heat exchanger 15 is blown by the outdoor heat exchanger 15 The outgoing outdoor air is cooled, so it changes into a high-pressure liquid refrigerant whose temperature drops, and flows out of the outdoor heat exchanger 15. The cold -12- (7) medium flowing from the outdoor heat exchanger 15 is depressurized by a pressure reducing device (not shown) to become a low-pressure liquid refrigerant, and then enters the indoor heat exchanger 16. The low-pressure liquid refrigerant entering the indoor heat exchanger 16 receives the heat and evaporates from the indoor air sucked through the indoor heat exchanger 16 by the indoor fan 19, and changes into a low-temperature and low-pressure gas refrigerant, which is then sucked and compressed. The compressor 14 is compressed by the compressor 14 to become a high-temperature and high-pressure gaseous refrigerant, and circulates again in the refrigeration cycle of the integrated air conditioner 1. On the other hand, when the indoor air sucked in by the indoor fan 19 passes through the indoor heat exchanger 16, the heat is taken away by the refrigerant and cooled, and the moisture contained in the air is condensed out and dehumidified. It becomes dry cold air, and is then blown out into the room through the indoor air blowing outlet 10. By repeating this cycle, the indoor environment is adjusted to a comfortable state. In addition, the dew condensation water condensed by the indoor heat exchanger 16 is concentrated in a water pan 2 1 provided at the lower part of the indoor heat exchanger 16 and guided by the water guide 22 2 through the partition plate 6, Then, it accumulates in the water storage part 23 provided in the lower part of the outdoor fan 18, and is scattered by the splash ring 18c provided in the outdoor fan 18. In the integrated air conditioner described in Patent Document 2, a propeller fan is used as an outdoor fan. Explanation will be given with reference to FIG. 10. As previously explained, when the outdoor fan uses a propeller fan, there will be: the collision sound of the water droplets picked up by the dew condensation and the blade of the propeller fan, or it will be scattered by the blade of the propeller fan. There is a problem that the collision sound generated by the water droplets hitting the fins of the outdoor heat exchanger becomes large. In addition, the guide ring for adjusting the airflow of the propeller fan can only be provided along the outer periphery of the blade of the propeller fan at -13- (8) (8) 574487. Therefore, the diameter of the guide ring becomes larger. The bombarded water droplets fly out from the guide ring to the outside of the fan room, and there is a problem that the water droplets are scattered from the outdoor air intake of the integrated air conditioner to the outside. In addition, the splash ring provided on the propeller fan for picking up dew condensation water has a large distance from the blade of the propeller fan and the diameter becomes larger, so that the strength becomes weaker, which may be insufficient. The problem of ensuring the space from the blades of the propeller fan. Therefore, once the amount of dew condensation is increased in the water storage section provided in the lower part of the outdoor heat exchange, not only the splash ring, but also the blades of the propeller fan will contact the water surface of the dew condensation. At the same time, there is a problem that the dew condensation water ejected from the blades is scattered from the air intake to the outside of the integrated air conditioner. On the other hand, in Patent Document 1, a siroco blower (fan) is used as an outdoor fan to suck outdoor air from the outdoor heat exchanger side through the outdoor heat exchanger. Condensed water is scattered by the splash ring of a sirocco blower with respect to the outdoor air sucked into the casing, and the air is blown out from the outdoor air outlet provided on the side of the outdoor heat exchanger in the scattered state. The Silo blower sucks the outdoor air drawn in through the outdoor heat exchanger through the interface ring of the casing, so it is not possible to disperse the dew condensation water scattered by the splash ring in the outdoor heat exchanger. Evapotranspiration treatment. In addition, the dew condensation water scattered in the outdoor air exists in the air in a state of fine water droplets. Therefore, the dew water may be blown out to the outside in a state of water droplets, thereby wetting the surrounding area of the outdoor air outlet, or the concentration of fine water droplets- 14 · 574487 〇) The problem of large water droplets dripping from the integrated air conditioner. In addition, there is a method for improving the heat exchange efficiency of an outdoor heat exchanger by blowing air containing sufficient moisture to an outdoor heat exchanger. However, in Patent Document 1, outdoor air passing through an outdoor heat exchanger is first taken in Outdoor air, so it is not effective to use the outdoor air that has scattered dew water and contains sufficient moisture. In addition, the mist-like dew water can be blown to a high-temperature outdoor heat exchanger, and the mist-like dew water can be evaporated. However, in Patent Document 1, it is not blown to the outdoor heat exchanger. Since it is blown out from the outdoor air outlet as it is, the dew condensation water exists in the state of water droplets, causing various problems. In the embodiment, the outdoor fan uses a centrifugal fan to blow outdoor air containing dew condensation water to the outdoor heat exchanger to improve the heat exchange efficiency of the outdoor heat exchanger and prevent the dew water from flowing from the integrated air conditioner. Air blows off from the air outlet. As shown in FIG. 5 or FIG. 13, the centrifugal fan fixes one end of a formed blade along the circumference of a hub lining (plate) having a hub portion that fixes the centrifugal fan to a rotating shaft, and The other end of the blade is fixed in the open < On the shroud of the annular disk forming the air inlet. Furthermore, by the rotation of the centrifugal fan, air is sucked in from the rotation axis of the centrifugal fan ', and then the airflow is deflected in the centrifugal direction by the hub liner, and the air is blown out from the centrifugal direction of the blades. In order to induce the air blown out in a certain direction, a frame is generally used. In Patent Document 1, a forward curved centrifugal fan generally called a siro blower (fan) is used; while in Patent Document 3, a turbine type called -15- (10) (10) 574487 is used Backward curved centrifugal fan of blower (fan). However, when the centrifugal fan is used as the outdoor fan, as described above, the air sucked into the centrifugal fan from the axial direction uses the hub bushing located on the opposite side of the suction part to deflect the airflow and blow out in the centrifugal direction. Therefore, in the case of Patent Document 1 using a Siroco fan for the outdoor fan, after the outdoor air is sucked in by the outdoor heat exchanger, the dew condensation water stored in the water storage part provided inside the casing is used, and the centrifugal fan is used. The splash ring on the top picks it up and spreads it into the airflow of outdoor air. However, it is impossible to blow the outdoor air containing dew condensation water to the outdoor heat exchanger, and the air is guided to the air outlet on the side of the outdoor heat exchanger in the casing, and blows out to the outside of the integrated air conditioner 1. In the case of Patent Document 3 in which a turbo fan is used as an outdoor fan, similarly to Patent Document 1, outdoor air is sucked in by an outdoor heat exchanger, and then the sucked outdoor air is induced in a centrifugal direction by a guide vane. . In the case of Patent Document 3, although the treatment of dew condensation is not mentioned, the outdoor air blown out from the outdoor fan in the centrifugal direction is not blown to the outdoor heat exchanger, and is guided to the outdoor side ventilation path, and then from the outside. The air outlets on both sides of the heat exchanger are blown out to the outside of the integrated air conditioner. As described above, when the centrifugal fan is used as the outdoor fan, the outdoor air is drawn through the outdoor heat exchanger. Therefore, it is not possible to disperse the dew condensation water in the inhaled outdoor air into a high-humidity airflow and blow it to the outdoor heat exchanger, so that the heat exchange efficiency of the outdoor heat exchanger cannot be improved. The centrifugal fan used in the outdoor fan of this embodiment will make -16- (11) (11) 574487 dew water into a mist and spread it in the outdoor air blown out from the centrifugal fan. The airflow of condensation water is blown to the outdoor heat exchanger to improve the heat exchange efficiency of the outdoor heat exchanger. At the same time, the high-temperature outdoor heat exchanger is used to evaporate the mist-like condensation water, so that the droplet-shaped condensation water is not blown out Exterior of the body air conditioner 1. Hereinafter, an embodiment of the integrated air conditioner of the present invention will be described with reference to the drawings. In this embodiment, the outdoor fan 18 is a centrifugal fan having a backward curve and an inclination angle of the blade with respect to the direction of rotation shown in Figs. 5 and 6 as a backward curve. An air suction portion 18 b for sucking air is provided on an inner diameter side of a shroud portion 18 a of the outdoor fan 18, and a splash ring 1 8 c is provided on a circumferential side to disperse dew condensation water. . In addition, a plurality of blades 1 8 d form a back curve with respect to the rotation direction between the hub lining 1 8 e and the rim portion 18 a, and the outer peripheral portion of the back curved blade 1 8 d is relative to the rotation axis, Formed approximately cylindrically. Furthermore, the sirocco fan 'shown in Fig. 13 adopted in Patent Document 1 is a centrifugal fan having a forward curve inclination with respect to the blades in the direction of rotation. In addition, the propeller fan shown in FIG. 11 employed in Patent Document 2 does not incline the blades in the rotation direction, but twists the blades with respect to the normal axis in the radial direction to direct the airflow to the rotation axis. Axial flow fan sending out in the direction. As shown in FIGS. 7 and 8, the outdoor fan 18 of this embodiment has the suction portion 18 b of the outdoor fan 18 opened at the fan motor 17 side. The outdoor air is drawn in as shown by the arrow, and then The air blown out by the centrifugal direction is blown into the -17- (12) (12) 574487 chamber composed of the outdoor heat exchanger 15 and the fan chamber 24. The suction side of the compartment 25 is provided with a coupling ring 26 which has been provided in the fan compartment 24. The diameter (inner diameter) of the end portion of this interface ring 26 is smaller than the diameter of the suction portion 18b of the outdoor fan 18. The end portion of the interface ring 26 protrudes to the inside of the suction portion 18b, and overlaps the suction portion 18b only by the dimension L. Therefore, the inside of the cabin 25 is substantially shielded from the outside, and it is possible to maintain a static pressure state higher than the outside. In general, the airflow blown from the centrifugal fan is induced in a certain direction by the frame, but in this embodiment, there is no frame that can be induced in the compartment 25, and it is directly Blow out. The airflow blowing from the outdoor fan in the centrifugal direction has no frame, so the speed of the airflow blowing out is slower, and the energy in the slower speed component is converted into a component that increases the static pressure, so it is in the cabin 2 5 The static pressure becomes higher. As the static pressure in the cabin 2 5 becomes higher, the airflow can flow to the back of the hub lining 1 8 e of the outdoor fan 1 8, so the outdoor heat exchanger 1 5 on the back of the hub lining 1 8 e can also be effectively used. . Explain in detail. When a conventional centrifugal fan of this type is used, it is made so that it can be blown out from a place determined by an air outlet on the indoor side. However, if this is applied directly to the outdoor side, only part of the air will pass through the outdoor heat. Heat exchanger, so the problem that the rest of the outdoor heat exchanger contributes to the heat exchange effect is low. In order to increase the static pressure of the space from the blower outlet of the outdoor fan to the outdoor heat exchanger, as described above, a frame body without winding is formed. -18-(13) (13) 574487 As a result, as the static pressure of the space becomes higher, most of the outdoor heat exchanger is at this pressure, and the air blown from the fan is applied to the outdoor heat exchanger. The pressure flows from all sides to between the fins, so the utilization of the heat exchanger becomes high. Next, the increase in the dew condensation water treatment capacity will be described. In the past, if the amount of dew condensation that fell on the condensed water pan located in the lower part of the indoor heat exchanger was too large, the outdoor fan could not handle it. In order to prevent the excessive water from flowing, a puddle was set and The water pan and the water storage part under the outdoor fan are slowly inclined. In this embodiment, since the air intake portion of the compartment 25 is slightly shielded, the splash ring 18 c provided on the outer periphery of the outdoor fan 18 even if the dew condensation water stored in the lower portion of the outdoor fan 18 is picked up, The scattered dew condensation water will not fly out of the cabin 25 through the interface ring 26 of the fan chamber 24. Therefore, the water droplets pass through the upper air intake port 12 or the side air intake port 13 of the outer case 4 and are less likely to be scattered outdoors or drip. Therefore, the amount of water picked up by the splash ring 18 c can be increased to improve the processing capacity of the dew condensation water by the outdoor heat exchanger 15. Since the dew condensation water treatment capacity on the outdoor side is improved, the inclination of the water guide 22 provided between the water pan 21 and the water storage portion 23 can be increased, and the outflow of dew condensation can be increased. Moreover, there is no need to install a puddle. When the inclination of the water guide 22 is increased, the height position of the water tray 21 is increased relative to the water storage portion 23. Thus, a space is created in the lower portion of the water pan 21. An electric product storage box 1 1 provided at a lower portion of a conventional indoor air outlet 10-19 (14) (14) 574487 is arranged in this space. The arrangement of the air blowing outlet 10 has the following advantageous conditions. The first: the opening of the air outlet 10 can be made larger; the second: the drive motor for driving a wind direction plate provided at the air outlet of the air outlet 10 can be provided above or below the air outlet 10 . In this way, in this embodiment, since the electric product storage box 1 1 can be arranged below the water tray 21, the space adjacent to the air suction port 9 (the upper part of the air blowout port 10 and the air blowout port 10) can be placed. Space or lower space), used for various purposes, and has the effect of increasing the degree of freedom in product design. On the other hand, as shown in Patent Document 2 shown in FIG. 10, when the outdoor fan uses a propeller fan, the guide ring for adjusting the airflow of the propeller fan can only follow the outer periphery of the blade of the propeller fan. Set, so the diameter of the guide ring becomes larger. Therefore, the dew condensation that has been ejected by the blades will fly out from the air suction port of the guide ring to the outside of the fan chamber, and will be scattered directly from the outdoor air suction port of the integrated air conditioner to the outside in the state of water droplets. The problem. Moreover, even if the inner diameter of the interface ring 26 is smaller than the outer diameter of the fan as in this embodiment, there may be a possibility that the water splashes splashed when the blade of the fan hits the water surface, and may be scattered from the interface ring to the outside. However, in the case of this embodiment, since the suction portion 18b of the centrifugal fan, that is, the outdoor fan 18, overlaps with the end of the interface ring 26 of the fan chamber 24, the exterior and interior of the cabin 25 'It is in a state of being slightly shielded, so the dew which is scattered to the inside of the cabin 2 5 is flying -20- (15) (15) 574487 沬, and does not fly to the outside through the air intake of the integrated air conditioner 1 . Therefore, the aforementioned effects are produced. The flying bird which was picked up by the splash ring 18 C of the outdoor fan 18 and attached to the ceiling of the fan room 24, as shown in FIG. 9, dripped from the ceiling of the fan room 24, The blades collided for 18 days. As described above, the outdoor fan 18 of this embodiment has a backward curved shape with respect to the rotation direction T, and the outer peripheral end of the blade 18d is relative to the rotation axis of the blade 18d. Approximately cylindrical. The falling water drops fall within the range of A and B corresponding to the outer peripheral surface of the blade 18 d. Since the blade 18 d rotates in the direction T, the blade 18 d and fall within the range A The water droplets conflict with each other at an individual speed and state; and within the range B, they conflict with each other at an individual speed difference. Because the free falling speed of the water droplets reaching the surface of the cylindrical blade 18 d is about lm / s, it is much lower than the rotation speed of the outer periphery of the blade 18 d, so the falling water droplets collide with the blade 18 d. The noise generated can also be considered to be caused by water droplets in the range A. Moreover, in the case of this embodiment, since the falling water droplets collided with the outer peripheral surface C of each piece of the blade 1 8 d in a state of falling, the relative speed of the collision can be considered as that of the blade 1 8 d. The sum of the displacement speed in the radial direction and the free fall speed when the water droplet reaches the surface of the cylindrical blade 18 d. In this embodiment, the diameter of the outdoor fan 18 is about 2 9 mm, the number of the blades 1 8 d is 7 pieces, the number of rotations of the outdoor fan 18 is about 1 2 0 0 r pm, and the blades 1 8 d -21-(16) (16) 574487 in the circumferential direction of each piece of movement amount L is about 50 mm, so the relative speed of the blade and water droplet collision is about 8 m / s. Compared with this embodiment, in the case where the outdoor fan uses a propeller fan, as shown in FIG. 11, since the blades stand up to the normal axis in the radial direction, the water drops falling from the ceiling of the fan room The blades collide at a speed V in the tangential direction of the blades. Therefore, the relative speed of the combination of the speed of the water droplet falling freely and the speed of the tangential direction of the blade collides with each other. The relative speed is estimated to be about 18 m / s. The falling water droplet and the rotating blade The noise generated during a collision is a kind of energy, and its size is proportional to the energy of a water droplet having a mass m. The kinetic energy of a water droplet m colliding at a relative velocity V has m = V 2/2, so the noise level when a water droplet collides with a blade is proportional to the second power of the relative velocity. In the case of the outdoor fan 18 of this embodiment, the relative speed at the time of the collision is approximately 45% of that of the propeller fan, so its energy P is reduced to approximately 20% compared to the case of the propeller fan. Left and right, an integrated air conditioner 1 with a low noise level can be obtained. In the case of a propeller fan, a water droplet m having energy P collides at a relative speed V and then disperses in the opposite direction at a speed V '. Therefore, the energy equivalent to the amount of movement of these water droplets is applied to the rotating fan. Water droplet m, this part will additionally consume the power of the fan motor. However, 'the outdoor fans 18 of this embodiment, the water droplets falling on the surface of the blade 18 d one after another, follow the air flow through the surface of the blade 18 d -22- (17) (17) 574487' The outer peripheral end of 18 d scatters into a mist, so the fan motor 17 does not need to consume additional energy for scattering the water droplets m, only the energy used to drive the outdoor fan 18 without consuming additional power, and A power-saving integrated air conditioner 1 can be obtained. In the case of an outdoor fan using a siroco fan, the water droplets falling from the ceiling of the fan room are falling on the cylindrical surface of the rotating blades of the siroco fan, so the noise of water droplet collision is reduced. . However, since the blades of the sirocco fan are forward-curved, the falling water droplets are scattered in a tangential direction at the same relative speed as the case of the propeller fan, so the fan motor and the propeller are also scattered. In the case of the fan, the same additional energy is consumed. The outdoor fan 18 in the integrated air conditioner 1 of this embodiment uses the outdoor air sucked from the upper air inlet 12 and the side outdoor air inlet 13 of the cabinet 4 to cool the high-temperature compression. Machine 14 and high-temperature fan motor 17 and so on. Since the temperature of the outdoor air is much lower than the surface temperature of the high-temperature compressor 14 and the high-temperature fan motor 17, the high-temperature compressor 14 and the high-temperature fan motor 17 can be effectively cooled. The outdoor air after cooling the compressor 14 and the fan motor 17 is drawn into the compartment 25 from the fan motor 17 side through the interface ring 2 6 as shown in FIG. 7; and stored in the outdoor fan Condensation water on the lower part of 18 is scattered by the splash ring 1 8c. At the same time, from the outer peripheral end of the blade 18d, it is dispersed in the air as the airflow becomes misty, forming a high moisture content and high humidity. Air flow while blowing to the outdoor heat exchanger 1 5. As a result, the surface of the outdoor heat exchanger 15 was wetted by the condensation water condensed in the indoor heat exchanger 23- (18) (18) 574487 converter 16 to become a wet surface, and the wet The surface can increase the heat penetration rate of the outdoor heat exchanger 15 ', and since the latent heat of evaporation of water can also be used, the heat exchange efficiency of the outdoor heat exchanger 15 can be greatly improved. In the case of Patent Document 1, a siroco fan is used as an outdoor fan, and a splash ring is provided on the outer peripheral portion of the rim-coated disk on the side of the air suction port where the blade of the siroco fan is installed to disperse dew condensation. However, although the outdoor air is sucked in from the side of the outdoor heat exchanger and the dew water is scattered into the sucked outdoor air to form a mist, the high-humidity air stream containing the dew water does not blow to the outdoor heat. The exchanger is used for cooling the outdoor heat exchanger. Instead, it is blown out from the air outlet provided beside the outdoor heat exchanger to the outside as it is. Moreover, in Patent Document 3, although the outdoor fan is a centrifugal fan, it still sucks outdoor air from the outdoor heat exchanger side, and does not scatter dew condensation into the outdoor air. It is installed on both sides of the outdoor heat exchanger. Blown out of the air, blow out as it is. As described above, in this embodiment, the outdoor air is taken in from the upper air inlet 12 and the side air inlet 13 of the outer box 4 to cool the high-temperature compressor 14 and the high-temperature fan. The motor 17 waits for this outdoor air from the fan motor 17 side through the interface ring 26 of the fan chamber 24, and condensed water is sprayed into the outdoor air in the suction chamber 25 to form a mist. The high-humidity airflow is blown to the outdoor heat exchanger 15 to make the surface of the outdoor heat exchanger 15 a wet surface to improve heat exchange efficiency. In addition, the dew condensation water condensed in the indoor heat exchanger was picked up by the splash ring 1 8 c, and then finely formed from the outer peripheral end of the blade 1 8 d of the outdoor fan -24- (19) (19) 574487 1 8 As the mist is dispersed in the airflow, the dew condensation water can be easily evaporated on the surface of the outdoor heat exchanger 15, so that the dew condensation water will not be scattered to the outside of the integrated air conditioner 1 in a state of water droplets. In addition, since the splash ring 18 c of the outdoor fan 18 is integrally formed with the outer peripheral plate of the rim portion 18 a, the strength of the splash ring 1 8 c can be sufficiently ensured with the blade χ 8 d. the distance between. Thereby, even if the dew condensation water accumulated in the water storage part 2 3 provided in the lower part of the outdoor fan 18 is excessive, the blade 1 8 d of the outdoor fan 18 will not hit the water surface of the dew condensation, so the blade 1 will not occur. 8 d Causes dew water to fly and blow out dew water from the air inlet of the integrated air conditioner, or to generate noise such as tapping dew water. Moreover, the amount of treated water can be increased. Next, the indoor side 8 will be described. As the amount of dew condensation water treatment on the outdoor side is increased, a space is formed in the lower portion of the water tray 21, and the electric product storage box 11 is arranged in this space, and the space for designing the air outlet 10 is increased as described above. Design freedom. However, if the size of the indoor heat exchanger is not changed and a space is provided in the lower portion of the indoor heat exchanger 16, the overall height will also increase with the space. When the height dimension of the indoor heat exchanger 16 is changed, the amount of heat exchange decreases. In this case, since the diameter of the fan also becomes smaller, the air volume becomes smaller. Examples of solving such problems are described below. Most of the conventional indoor fans are sirocco fans. However, in this embodiment, the indoor fan 19 also adopts a backward curved turbo fan as shown in FIG. 14. Further, as shown in FIG. 15, an air suction port 9 is provided at the center of the center of the makeup plate 3 at -25- (20) (20) 574487, and air blowing ports 1 are provided at both sides of the air suction port 9. 0, and cold air can be blown from both sides of the makeup plate 3. By blowing out the cold air from both sides of the makeup plate 3, compared with the case where the cold air is blown into the room from only one blowout port, the cold air can be sent to a wide range of the room, and the room temperature can be adjusted to approximately the same temperature. Further, an air blowing port may be provided at the upper portion of the air suction port 9. In this case, since the air blown to the ceiling is generated, cooling adjustment can be performed throughout the room. When the integrated air conditioner 1 is installed, it is possible to eliminate the difficulty of blowing cold air to the entire room because the air outlet is located near the wall. Restrictions on installation conditions. Figure 17 shows the air volume-static pressure characteristics of the centrifugal fan. The air volume-static pressure characteristic curve of the backward curved scroll fan is I, and the characteristic curve of the forward curved sirocco fan is represented by Π. Therefore, when the air volume is the same, the static pressure of the centrifugal fan and the backward curved turbo fan are smaller than those of the forward curved sirocco fan. Since the expansion angle of the frame can be reduced, the centrifugal fan and the frame can be made. The body is contained in a relatively small space. When an indoor fan uses a sirocco fan, as shown in FIG. 16, the expansion angle of the sirocco fan's frame becomes larger, so the front end of the frame is greatly widened, so there will be an air outlet from the air. The tendency to blow cold air from the lower or upper part. In addition, due to the high static pressure, the cold air flows unevenly along the outer periphery of the frame. Therefore, the cold air blown out from the air blowing port is not uniformly blown out from the entire air blowing port. Instead, the cold air is sent out as shown by the arrow. The opposite end of the air blow-out port blows out cold air. -26- (21) (21) 574487 In this embodiment, in order to solve the above-mentioned problem, the indoor fan 19 is a turbo-fan of a curved type. As described above, since the enlargement angle of the housing 20 of the indoor fan 19 can be reduced, the degree of enlargement of the front end portion of the housing 20 can be reduced. As shown in Fig. 15, the front end portion of the frame body 20 is enlarged to a height substantially the same as the height of the air outlet port 10, and the cold air is blown from the air outlet port 10 in a lateral direction. Therefore, the static pressure becomes lower, and the non-uniformity becomes smaller. In the case where the indoor fan adopts a sirocco fan as shown in Fig. 16, because the enlarged angle of the frame is large, the housing space of the electrical components can only be used by the frame 2 0 nasal space. Therefore, the storage space for electrical parts is limited to the position of the nose of the housing, and it is placed on one of the left and right sides of the integrated air conditioner. The operation part of the electric product is not difficult to operate because it is close to the wall surface, but the installation problem of the operation part of the electric product is separated from the wall surface. As mentioned earlier, by adopting the turbo fan of the indoor fan 19 series, the enlarged angle of the frame body 20 can be reduced, and the shape of the fan including the frame body 20 can be made smaller than the case where a siroco fan is used. miniaturization. Therefore, even if the height position of the water pan 21 is increased and the electric product storage box 11 is arranged at the lower portion, it is possible to prevent the height of the entire unit from increasing while ensuring the air volume of the fan. However, since the base 5 shown in FIG. 18 needs to support the masses of the parts carried in the unit, it is necessary to provide a raised portion 5 a that is formed by spinning upwards around the base 5 to ensure the necessary Strength of. Therefore, even in the upper part of the base 5, it is possible to securely hold the electric product storage box 27- (22) (22) 574487 (electrical component) 1 1 having the operation portion. The height η 'is effective because of the standing portion 5 a. The height becomes Η ', and the upper space of the base 5 cannot be used. Therefore, in this embodiment, the electrical parts 11 having the operation portion are not housed in the upper space of the base 5 having the rising portion 5 a, but are located on the base 5 on the opposite side of the rising portion 5 a. A space 5b (refer to FIG. 2) for accommodating the electric component 11 having the operation section is provided at the lower part, and the electric component 11 having the operation section is accommodated there. That is, by using a turbo fan for the indoor fan 19, the water tray 21 is correspondingly raised, and the base 5 at the lower part of the water tray 21 is rotated upward to form the water tray 21. As far as the height is concerned, the electric component 11 having the operation portion is accommodated in the lower portion of the base 5. Thereby, the rising portion 5 a for ensuring the strength of the base 5 is retained, and since the electric component 11 having the operation portion can be arranged at the center portion of the makeup plate 3, the floor-mounted integrated air conditioner is not dropped. The strength of the machine 1 can eliminate the restrictions during installation. In addition, by accommodating the electric component 11 having the operation portion in the lower portion of the base 5, even if the electric component 11 having the operation portion fails and needs to be repaired, the maintenance operation can be facilitated and the maintenance time can be shortened. To improve operational efficiency. Furthermore, since the height of the water pan 21 is made higher than before, it is possible to guide the dew water of the water pan 21 to the inclination of the water guide 22 of the water storage portion 23 provided at the lower portion of the outdoor fan 18. , So that the dew condensation water does not overflow from the water tray 21 or the water channel 22, etc., and can be reliably sent to the water storage unit 23. In addition, compared with the case where the height space cannot be effectively used because the base 5 has the raised portion 5 a, the heat insulation at the bottom of the water tray 2 1 is increased by -28-(23) (23) 574487 to increase the heat insulation. Effect, to solve the problem of dew condensation on the electrical component 11 having the operation portion due to heat conduction. Furthermore, since the electric part 11 having the operation portion is provided at the center of the integrated air conditioner 1, a free space at the lower portion of the air outlet port 10 can be secured. Therefore, a small motor or the like can be arranged in the space to make The wind deflection plate provided at the air outlet 10 is automatically operated. In this embodiment, although the case where the air outlets 10 are provided at the left and right places has been described, the expansion angle of the frame body 20 is reduced, and a plurality of air outlets are further provided, so that the air outlets can be uniformly provided. Blow out the cold air to a wide area of the room. In this embodiment, although only the air-conditioning operation of the integrated air conditioner 1 is described, the above-mentioned effects can be obtained in each operation mode by changing the refrigeration cycle to air-conditioning operation, heating operation, and other operations. As mentioned above, if the outdoor fan is a propeller fan, the following problems will occur. On the outer periphery of the blades of the propeller fan, a splash ring for picking up dew condensation is installed. However, if the outer diameter of the propeller fan is increased in order to increase the air volume of the propeller fan, the outer diameter of the fan is quite close to the outer diameter of the splash ring provided on the outer periphery of the propeller fan. Therefore, once there is a large amount of water, part of the propeller fan will pick up dew condensation. And because the front end of the blade of the propeller fan is incident at an almost right angle with respect to the water surface, once the blade of this propeller fan picks up the water, the blade of the fan will directly hit the water surface, and the water being beaten Will fly in multiple directions. At this time, the sound of the propeller fan striking the water directly, and the bounced water from the 29-29 (24) (24) 574487 colliding with the inside of the housing, will cause noise to be reduced. Furthermore, it is particularly problematic that the outdoor side frame is provided with a ventilation port for sucking outside air into the inside of the frame, and the dew condensation that is scattered will be scattered from the ventilation port to the outdoor in a countercurrent flow. problem. In addition, since the propeller fan directly beats the dew condensation, there is a problem that the fan motor input increases. In this embodiment, a turbo fan having a rear curved wing shape is used, and the purpose is mainly to solve the following problems. In addition, the topics listed are the effects to be achieved in this embodiment, but these topics are not intended to limit the present invention. For air conditioners equipped with an outdoor fan on the upstream side (upwind side) of the condenser, the first problem is caused by the boosting effect of the fan, and there is a problem that it cannot be sufficiently caused by the backflow in the central part of the condenser. Problems with heat exchange; short-circuit problems caused by backflow in the inner diameter caused by blowing out on the outer periphery; and in order to use the blades of the fan to divert the air drastically, the airflow is stripped on the airfoil surface and the noise becomes high at the same time The problem of drastic reduction in efficiency due to stalling. Second: There is a problem caused by the splash ring on the outer periphery of the fan and the outer periphery of the blade picking up dew water; the blade with the fan directly taps the sound generated by the water, and the bounced water hits the inside of the frame The problem of the generated sound; and the problem of the fan motor input rising because the fan directly hits the dew condensation. No. 3: There is a problem that dew condensation is scattered from a vent port for inhaling outside air and a blowout part of a condenser. The outdoor fan used in the integrated air conditioner of the present invention will be described in detail below, and its essentials will be briefly explained before detailed explanation. -30-(25) (25) 574487 No. 1: Fan (centrifugal fan) composed of a hub, a plurality of blades, and an edge portion, the outer diameter of the blade is provided from the edge portion side to the hub side Fan blades that become smaller in direction or smaller in size while having inflection points; on the outer periphery of the rim portion 18 a, a structure is provided that has a dew condensation effect and has a larger outer diameter than the outer diameter of the fan blades Ring. 2nd: The outer periphery of the hub of the centrifugal fan is provided with a ring having an outer diameter larger than the outer diameter of the fan blade and having a hole through which the blown air passes. 3rd: The A ring having a hole through which air passes is provided on the outer peripheral portion of the blade between the rim portion and the hub. Fourth: For a centrifugal fan having a hub, a plurality of blades, and a rim portion, and a ring having a dew condensation effect on the side of the rim portion, the fan outer diameter is provided from the rim portion Fan blades having a smaller shape in the direction of the side of the hub or smaller in diameter while having inflection points; and a cover portion having a shape having at least two inflection points in the meridional surface and blowing airflow toward the axial direction . Fifth: The centrifugal fan provided with the ring-shaped object, wherein the outer diameter of the fan blade is reduced from the cover edge side toward the hub side, or the shape is reduced while having the inflection point; and From: The outer diameter of the hub-side fan blades is less than 85% of the outer diameter of the fan-side blades; the inner diameter of the fan-side blades is more than 75% of the outer diameter of the fan-side blades; The exit width is more than 25% of the outer diameter of the blades; and the inner diameter of the hub-side blades is less than 75% of the outer diameter of the blades. Sixth: The centrifugal fan provided with the above-mentioned ring, when the blade outlet width is -31-(26) (26) 574487 degrees is more than 30% of the outer diameter of the hub, or the inner diameter of the hub-side blade is the blade When the outer diameter is less than 50%, a small blade whose inner diameter is larger than the inner diameter of the hub-side blade is provided 'between the blades'. The centrifugal fan according to this embodiment will be described with reference to Figs. 19 and 20. Figures 19 and 20 show the three-dimensional outline of the centrifugal fan and the shape of the meridional plane. The centrifugal fan 1 8 'is: at the center of rotation' has the transmission of the rotational force transmitted from the fan motor 17 The hub 1 8 f of the hub 18 S; a plurality of blades (fan blades) 1 8 d arranged at a certain interval on the hub 18 f; and the blades connected to the blades on the opposite side of the hub 18 f Covered edge part 1 8 a. The fan blade 1 8 d 'can be formed with the outer diameter of the rim portion 18 a as the maximum outer diameter and gradually decreases toward the hub 1 8 f side. The outer diameter can also be made from the rim portion side as shown in the figure. To the hub side, in order to optimize the distribution of the blowing air velocity, it has a point of inflection on the way. The hub-side outer diameter of the blade 18 d is the same as the outer diameter D2H of the hub in the figure, but may be larger than the outer diameter of the hub. In addition, the inner diameter D i Η of the hub side of the blade is characterized by being relatively small compared with the inner diameter D i S of the cladding portion side. A structure having an annular splash ring 1 8 c is formed on the outer periphery of the covering edge portion 18 a having an outer diameter D 2 S L larger than the outer diameter D 2 of the fan blade. The shape of the splash ring 18 c in the figure is a cylindrical shape whose outer peripheral portion is parallel to the axis, but any shape may be used as long as it is capable of effectively picking up dew condensation. The splash ring 1 8 c of the centrifugal fan 18 is -32- (27) (27) 574487 of the splash ring 1 8 c. The relationship between the outer diameter D2SL · and the maximum outer diameter D2 of the fan is D2SL >D2; The 1 8 C system is installed at an appropriate distance from the maximum outer diameter D 2 of the fan blade, so the fan blade 1 8 d will hardly be immersed in dew condensation. Even if the water level of the dew condensation water rises to a position where it will be immersed in the blades 1 8 d. 'Since this centrifugal fan is a turbo fan and is formed into a curved shape, the blade's wing surface will pass through the water surface like a stroke, and Reduce the possibility of flying maggots flying from the outdoor air intake to the outside. On the other hand, in the case of a propeller fan, since the blade angle of the propeller fan is an acute angle with respect to the water surface, there are: slap the water surface at an acute angle, so that the flying slug spreads out in all directions, and part of it is scattered Problems outside the outdoor unit. Therefore, the pick-up of the dew condensation water is ideally performed only by the splash ring 18 c at all times, and the noise during pick-up can be reduced. In addition, if a centrifugal fan is installed as an outdoor fan, the diameter of the suction port D i S of the centrifugal fan is smaller than that of a conventional propeller fan, so that dew condensation will hardly splash in a direction other than the outdoor heat exchanger. Therefore, the dew condensation water does not fly away from the outdoor air suction port provided on the outdoor side frame. Therefore, the dew condensation ability generated by the splash ring 1 8 c can be increased without dispersing the dew condensation outside the outdoor unit, and the dew condensation treatment capacity can be increased. Furthermore, the fan blade 1 8 d can be used. The shape of the centrifugal fan is such that the outer diameter D 2 Η on the hub side is D 2 > D 2 相对 with respect to the maximum outer diameter d 2 on the rim portion side, which can generally increase the wind speed and volume on the hub side. The wind speed and air volume in the width direction of the outlet can be adjusted moderately, and at the same time, the work done by the fan on the hub side of this part can be reduced to -33- (28) (28) 574487 Compared with the conventional fan-shaped centrifugal fan, it is confirmed that the power consumed by the fan motor is reduced by about 8%. Therefore, by using this centrifugal fan 18, the fan motor can be saved. Next, another embodiment of the centrifugal fan will be described with reference to Figs. 21 and 22. The centrifugal fan 18 is composed of a hub 18g having a hub 18g that transmits the rotational force transmitted from the fan motor at the center of rotation; a plurality of blades 18d arranged at a certain interval on the hub 18f And on the opposite side of the hub 18 f, the edge portion 18 a connected to each blade is formed. The centrifugal fan 18 is provided with a ring-shaped splash ring 1 8 c at a certain interval from the outer periphery of the hub 18 f; the hub 1 8 and the splash ring 1 8 c are provided with a plurality of pillars 2 0 1 The connection is made between each of the pillars 201, and a structure with a gap 2202 is formed. For example, the outer diameter of the fan blade 1 8 d is alternately made into a portion having a curved point and a portion approximately parallel to the rotation axis; a splash ring of the blade portion with a curved point is provided with holes, and the remaining The fan blade part connects the hub 18 f and the splash ring 18 c to have an integral molding effect. An example in which the above-mentioned centrifugal fan is applied as an outdoor fan of an integrated air conditioner will be described. The splash ring 1 8 c of the centrifugal fan has a structure in which the splash ring 18 c is disposed near the outdoor heat exchanger because it is provided on the hub 1 8 f side. Therefore, the ratio of the dew condensation water picked up by the splash ring 1 8 c directly to the heat exchanger can be increased, and the dew condensation water can be efficiently used in the heat exchange treatment -34- (29) (29) 574487. Thereby, the amount of dew condensation water can be increased, and it is not necessary to temporarily store dew condensation in a water pan provided at the lower portion of the indoor heat exchanger, and the dew condensation water can be sent to the lower portion of the outdoor fan without accumulation of water. In the water storage department. As a result, the height of the water pan can be made higher than that of the water storage unit, and an electric product storage box can be arranged in the space vacated at the lower portion of the water pan. This point is the same as that shown in the foregoing embodiments. Figures 23 and 24 show another embodiment in which a splash ring is provided on the hub 18 f side. The change in the outer diameter of the fan blades 1 8 d gradually decreases from the rim portion 18 a side to the hub 1 8 f side; it also has a structure that has a smaller curvature point while having a buckling point; 8 c is installed on the hub 1 8 ί or near the hub 1 8 f, and has the effect of drawing out the effect of air blowing and the effect of splashing as much as possible. Next, another embodiment will be described with reference to FIGS. 25 and 26. The centrifugal fan 18 is composed of a hub having a hub 18 g which transmits a rotational force transmitted from the fan motor at the center of rotation. 18 f; a plurality of blades 18d arranged at a certain interval on the hub 18f; and a rim portion 18a connected to each blade on the opposite side of the hub 18f. The centrifugal fan 18 is provided with a splash ring 1 8 c 'spaced apart from the fan blade 18 d' on the outer periphery of a fan 18 d; and the outer diameter of the fan blade is used to connect the splash ring 1 8 c and the fan Leaves 1 8 d. By applying the above-mentioned centrifugal fan as an outdoor crosswind-35- (30) (30) 574487 fan of an integrated air conditioner, in addition to having the same effects as the previous embodiment, it is possible to further extend the coverage from the edge portion 18 a and The direction of the air flow blown between the hubs 18 f is turned in the downstream direction to an arbitrary direction, which has the effect of reducing the loss of the blown air. In the figure, the splash ring 18 c is inclined downstream, but a shape capable of maximizing the air supply effect and the splash effect may be used. Next, other embodiments will be described with reference to Figs. The centrifugal fan 18 is composed of a hub 18g having a hub 18g that transmits the rotational force transmitted from the fan motor at the center of rotation; a plurality of fans arranged at a certain interval on the hub 18f A blade 18 d; and a rim portion 30 connected to each blade on the opposite side of the hub 18 f. The shape of the blow-out portion 30 a of the cladding portion 30 is formed in the axial direction. A splash ring 18c is provided on the outer peripheral portion of the rim portion 30. Generally speaking, a centrifugal fan blows fluid drawn in from the suction port 401 in a circumferential direction. However, a centrifugal fan 18 draws fluid drawn from the suction port 401 along the edge of the cover. 3 0 flow in the axial direction. The outdoor fan using the centrifugal fan 18 as an integrated air conditioner can uniformly distribute air sucked from the axial direction of the blower (fan) in the axial direction and blow it to the outdoor heat exchanger. Ground to supply air to the heat transfer surface of the heat exchanger. In addition, by the splash ring 1 8 c, the same effects as those of the foregoing embodiment can be obtained. Next, each element of the centrifugal fan will be described, and the centrifugal fan shown in FIG. 1 will be described as an example. -36- (31) (31) 574487 The centrifugal fan shown in Embodiments 1 to 4 has a structure in which the outer diameter D 2 of the hub-side blade is less than 8 of the outer diameter D 2 of the cover-side blade. The inner diameter D i S of the rim-side fan blade is more than 75% of the outer diameter D 2 of the rim-side fan blade; the blade outlet width b2 is more than 2 5% of the outer diameter D 2 of the fan blade; The inner diameter of the leaf DiH is less than 75% of the outer diameter D2 of the fan blade. With the centrifugal fan of the present embodiment, compared with the conventional centrifugal fan based on the same air volume, the power consumption required for operation is reduced by about 8%, and the operation noise is also reduced by 1.5 d B. Next, other embodiments will be described with reference to Figs. In the centrifugal fan 18 shown in 1 to 5 of this embodiment, when the fan blade exit width b 2 is more than 30% of the outer diameter D2 of the fan blade or the inner diameter D i 轮 of the hub-side fan blade is outside the fan blade In the case where the diameter D 2 is 50% or less, a sub-blade 5 0 0 is arranged between each blade 18 d. The plurality of sub-blades 500 arranged on the hub 18 f are connected to the rim portion 18a and the hub 18f. Alternatively, it is connected to the rim portion, and has a sub-blade end surface structure at an appropriate position between the rim portion 18 a and the hub 18 f. The relationship between the inner diameter D iW of the sub blade 5 0 0 and the inner diameter D of the hub-side fan blade is D iW > D i Η. In general, to achieve a high air volume, the method of increasing the inner diameter D 1 S of the rim portion, increasing the width of the outlet of the fan, or both is adopted. At this time, generally, if the method of increasing the number of blades is not used, , It will face the problem that the fan pressure decreases and the air volume decreases. However, if only the fan blades of the same shape are added, the inflow area on the inlet side of the fan blades will be reduced due to the thickness of the fan sheet, and the speed will increase, and most of them cannot achieve the expected -37- (32) (32) 574487 High wind quantification. However, if the number of blades is increased near the exit without reducing the area near the blade inlet, the expected increase in air volume can be obtained. Therefore, as shown in FIG. 28, the sub-blades 5 0 0 are provided. The installation of this sub-blade 500 has the effect of increasing the air volume by about 5% under the same noise level. The present embodiment has been described using the integrated air conditioner, but the present invention is not limited to the air conditioner, and the centrifugal fan of the present embodiment may be applied to a fan (air blower) used in the field of cooling or ventilation. For example, centrifugal fans are used in equipment such as air conditioners, ventilators, blowers, and air supply for vehicle coolers (engines, air conditioners). In addition, the centrifugal fan formed by removing the ring (the splash ring 1 8 c) of the centrifugal fan can also be applied to an indoor fan of an integrated air conditioner, a car water tank fan for cooling a vehicle engine, and the like. in. As described above, according to this embodiment, the following effects can be obtained: By disposing the outdoor fan on the indoor side of the outdoor heat exchanger, the outdoor fan is made as an air suction port for the fan shaft direction. A fan having a shape smaller than the diameter of the fan; and a lower part of the fan chamber surrounding the fan is provided with a water storage section for storing dew condensation water from the water channel, and the air sucked from the periphery of the unit can be formed. The means for blowing out from the outdoor heat exchanger via the outdoor fan can not only improve the efficiency of the outdoor heat exchanger, but also prevent dew condensation from being scattered from the air intake of the integrated air conditioner to the outside of the integrated air conditioner. By disposing the outdoor fan on the indoor-38- (33) (33) 574487 side of the outdoor heat exchanger, the outdoor fan is made to have a diameter of the air suction port in the direction of the fan shaft smaller than the diameter of the fan. And a lower part of a fan chamber surrounding the fan, a water storage section for storing dew condensation water from the water guide channel is formed, and the air sucked from the periphery of the unit can be passed from the outdoor fan through the outdoor fan The heat exchanger blows out, and an electric product storage box (electrical component) provided with an operating portion is arranged under the water tray. When a motor is used to drive the vertical blades and horizontal blades of the indoor air outlet, A space for arranging a motor or the like can be provided at an indoor air outlet. [Effects of the Invention] According to the present invention described above, it is possible to provide an integrated air conditioner in which dew condensation water is hardly scattered to the outside. Furthermore, according to the present invention, it is possible to provide an integrated air conditioner that ensures the degree of freedom in the height dimension of the indoor air outlet. [Brief description of the drawings] FIG. 1 is an external view of an embodiment according to the present invention. Fig. 2 is an external view of a unit of the integrated air conditioner according to the present embodiment as viewed from below. Fig. 3 is a plan view of the integrated air conditioner of the present embodiment. Fig. 4 is a cross-sectional view of a main part of the integrated air conditioner of the present embodiment. Fig. 5 is an external view of an outdoor fan. Fig. 6 is a sectional view of an outdoor fan. -39- (34) 574487 Figure 7 shows the air flow of the outdoor fan section. Figure 8 shows the outdoor fan and the interface ring section. Figure 9 shows the fall of the outdoor fan. Figure 10 shows the propeller type. Figure 11 of the fan's air is an explanatory diagram based on the fall of the propeller fan. Figures 12 and 12 are based on the fall of a sirocco fan. Figure 13 is the external view of a sirocco fan. Fig. 14 is an external view of an indoor fan. Fig. 15 shows the room after the makeup plate has been removed. Fig. 16 shows the makeup plate of the conventional example. Fig. 17 is a view of the air flow of the centrifugal fan. Fig. 18 is an explanation of the electric component storage section. Fig. 19 is a perspective view of the centrifugal blower. Figure 20 shows the structure of a centrifugal fan. Figure 21 shows the structure of a centrifugal fan. Figure 2 shows the front section of a centrifugal fan. Figure 2 shows the structure of a centrifugal fan. Figure 4 shows the structure of a centrifugal fan. Fig. 25 is a front sectional view of a centrifugal blower, and Fig. 26 is a front sectional view of the centrifugal blower. Explanatory diagram of the water droplet process. Water drop coming down Water coming down side front view. The forward pressure characteristic curve of the inside of the rear room. Illustration. Made sectional view. Made sectional view. Face view. Made sectional view. Face view. Made sectional view. Face view. -40 · (35) (35) 574487 Figure 27 is a sectional view showing the structure of a centrifugal blower. Figure 28 is a front sectional view of a centrifugal blower. [Symbol description] 1: Integrated air conditioner 2: Unit 3: Cosmetic panel 4: Case 5: Base 6: Partition 7: Outdoor side 8: Indoor side 9: Air inlet 1 0: Air outlet 1 1 : Electrical parts with operating part 1 2: Upper outdoor air inlet 1 3: Side outdoor air inlet 1 4: Compressor 1 5: Outdoor heat exchanger 1 6: Indoor heat exchanger 1 7: Fan motor 1 8: Outdoor fan 1 9: Indoor fan 2 0: Frame-41-(36) (36) 574487 2 1: Water tray 2 2: Water channel 2 3: Water storage 2 4: Fan room 2 5: Cabin 2 6 : Interface ring 2 7: Interface ring
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