九、發明說明： t發明所屬之技術々貝成2 發明領域 本發明係有關於一種具有具空氣過濾器自動清潔功能 之室内機的空氣調節機。 t先前技術3 發明背景 第7圖係顯示習知之空氣調節機之室内機7〇1，如第7 圖所示’由風扇7〇2吸入之空氣在熱交換器703冷卻或加熱 後，往室内送風。為了防止漂浮在吸入之空氣之塵埃會侵 入室内機701之本體内部，空氣過濾器704係以沿著室内機 701之吸入口裏面之形狀彎曲設置，並且上面部呈水平。 又’該空氣過濾器係構成為可自由裝卸而可以手清掃附著 之塵埃。 又’空氣過渡器之清掃容易之空氣調節機已知的有將 過濾裝置設置於吸入面板吸入口的裡面者，且該過濾裳置 具有：以馬達捲出/捲入之帶狀的濾網、除去附著於濾網之 塵埃之除塵構件、用以回收被除塵構件掃落之塵埃之灰塵 箱（參照如專利文獻1)。 專利文獻1 :日本專利公開公報特開2001-99479號公報 (第3〜4頁、第1圖） 【發明内容3 發明概要 發明欲解決之課題 …、、而’第7圖所示之空氣調節機中’係因應其使用頻率 ，由室内機7G1拆下空氣過瀘器7〇4，並且需要水洗或使用 _除機等掃除附著之塵埃的定期維護。又，無法定期維護 的 产S ’由於塵埃會堆積且吸入空氣過濾器704，使空氣的通 氣阻力增加’因此空氣調節機的性能會降低並增加消耗電 力。 又’由於專利文獻1所記載之構成中，附著於利用驅動 馬達捲曲於上下任一者之帶狀過濾器之塵埃係回收到灰塵 箱’因此必須在塵埃超過灰塵箱内之保存量之前，將塵埃 清除，而有必須定期維修之課題。 本發明係有鑑於習知具有之此種問題點而作成者，其 目的在於提供一種可藉自動清掃空氣過濾器而不需要定期 維修’提昇便利性之空氣調節機。 解決課題之手段 為達成前述目的，本發明之空氣調節機係具有可自動 清掃空氣過濾器機能之室内機者，包含：空氣過濾器，係 用以收集空氣中之塵埃者；吸引嘴，係可沿該空氣過濾器 朝室内機之左右方向移動，並形成有用以吸引附著於前述 空氣過濾器之塵埃之吸引孔者；及累積運轉時間檢測機 構’係用以檢測空氣調節機之累積運轉時間者，又，該空 氣調節機係構造成當該累積運轉時間檢測機構所檢測出之 空氣調節機之累積運轉時間超過預定時間時，進行空氣過 濾器之自動清掃。 又’宜將清掃空氣過濾器後使該空氣調節機開始運轉 1351497 '· 時之前述預定時間設定為較該空氣調節機之其他情況時更 : 長。 又，更設有用以檢測空氣中之塵埃量之塵埃量檢測機 構，且空氣調節機係構造成當該塵埃量檢測機構所檢測出 . 5 之塵埃量在預定值以上時，進行空氣過濾器之自動清掃。 進一步，亦可設置用以檢測空氣調節機之累積停止時 間之累積停止時間檢測機構，以取代前述之累積運轉時間 檢測機構，當該累積停止時間檢測機構所檢測出之空氣調 • 節機之累積停止時間超過預定時間時，會進行空氣過濾器 10 之自動清掃。 此時，只要僅進行空氣過濾器之一部份的自動清掃即 可。 發明之效果 根據本發明，由於設置用以檢測空氣調節機之累積運 15 轉時間之累積運轉時間檢測機構，當空氣調節機之累積運 轉時間超過預定時間時，會自動清掃空氣過濾器，因此不 ^ 需要定期的維修並可提高便利性。 又，將清掃空氣過濾器後使該空氣調節機開始運轉時 之前述預定時間設定為較該空氣調節機之其他情況時更 20 長，可盡量減少不必要之空氣過濾器的清掃，並可減少隨 著清掃產生之噪音或不必要的消耗電力。 - 又，更進一步設有用以檢測空氣中之塵埃量之塵埃量 檢測機構，當塵埃量在預定值以上時，進行空氣過濾器之 自動清掃，可精確地檢測出空氣過濾器之塵埃的附著量， 7 1351497 " 而可在適當的時間進行空氣過濾器的自動清掃，並可防止 : 不必要的清掃。 進一步，設有用以檢測空氣調節機之累積停止時間之 - 累積停止時間檢測機構以取代累積運轉時間檢測機構，即 . 5 使係在累積停止時間已超過預定時間的情況下進行空氣過 濾器的自動清掃，亦不需要定期的維修，提昇便利性。 又，運轉停止中時，由於塵埃會集中於空氣過濾器的 上面部，因此根據累積停止時間進行空氣過濾器的自動清 • 掃時，可藉由僅清掃空氣過濾器的上面，在短時間有效率 10 地進行清掃，可減少不必要的消耗電力。 圖式簡單說明 第1圖係顯示本發明中設置於空氣調節機之室内機之 空氣過濾器清掃機構之透視圖。 第2A圖係第1圖之設置於空氣過濾器清掃機構之吸引 15 嘴的分解透視圖。 第2B圖係顯示第2A圖中沿著線A-A之截面圖。 ^ 第3圖係顯示藉第2A圖之吸引嘴進行空氣過濾器之全 面清掃之情況的模式圖。 第4圖係顯示本發明之空氣調節機之冷凍循環及控制 20 電路之構成之區塊圖。 ' 第5圖係顯示本發明之實施型態1之空氣過濾器之自動 - 清掃控制之流程圖。 第6圖係顯示本發明之實施型態2之空氣過濾器之自動 清掃控制之流程圖。 8 ⑧ 第7圖係顯示習知之空氣調節機之室内機的截面圖。 I：實施方式3 較佳實施例之詳細說明 以下’參照圖式說明本發明之實施型態。 第1圖係顯示本發明之設置於空氣調節機之室内機之 空氣過濾器清掃機構之透視圖。 第1圖中，用以除去通過熱交換器之空氣的塵埃之空氣 過濾器係由過濾器框架1(H、及濾網102所構成，過濾器框 架101係構成為中間部彎曲而上面部1013構成水平或接近 水平之形狀，下面部101b係垂直的》設有可沿著空氣過濾 器之表面移動之吸引嘴103。吸引嘴103係藉設置於過濾器 樞架101之上下端之導軌1〇4,而可與空氣過濾器保持一定 的距離且圓滑地朝左右移動。吸引導管105之一端與吸引嘴 103連結’吸引導管105之另一端與吸引裝置1〇6連結。吸引 導管105係由不會妨礙吸引嘴1〇3之移動之可彎曲的導管所 形成者。又，排氣導管107與吸引裝置106連結，並且往室 外圍繞，附著於空氣過濾器上之塵埃由吸引嘴103吸引，並 經由吸引導管105、吸引裝置106、排氣導管107而朝室外排 出0 一般家庭用之小型空氣調節機内設有前述構成之空氣 過濾器裝置時，由於必須達到吸引裝置之小型化•小輸出 化’因此必須可以小風量發揮強大吸引力，吸引嘴103係集 中一部份進行吸引以加強吸引力，並設定為藉由切換其位 置以清掃過濾器全面。 1351497 第2A圖係顯示吸引嘴103之構造之分解透視圖，第2B 圖係其截面圖。 如第2A圖及第2B圖所示，吸引嘴本體201形成有相當 於空氣過濾器全長之長溝狀開口部202，沿著該開口部202 5 於可驅動帶28設置吸引孔204，藉此可僅由開口部202之一 部分吸引，並且可藉驅動帶203而變更吸引之場所。又，必 須使帶203沿著吸引嘴本體201滑動，因此藉利用熔著或接 著等與吸引嘴本體201—體形成之帶導引部205覆蓋。藉由 如此之構成，即使係小的風量亦可以集中於小的吸引孔’ 10 因此吸引孔的風速會增大，即使係小型的吸引裝置亦可發 揮強大的吸引力。 如第3圖所示，空氣過滤器之全面清掃係藉驅動吸引嘴 301之帶302來改變吸引嘴303之上下方向的位置’並使吸引 嘴301沿著空氣過濾器304朝左右驅動’使吸引孔303進行如 15圖中之箭頭方向所示之掃掠動作全面清掃空氣過濾'器° 又，第4圖係顯承本發明之空氣調節機之冷凍循環及控 制電路之構成。 第4圖中，空氣調節機係由室外機402與室内機403所構 成。室内機403設有：壓縮機404、四向閥405、膨脹閥406、 2〇室外熱交換器4〇7、室外風扇408、吐出溫度感測器409、室 外管線感測器41〇、室外溫度感測器411 °室内機403設有室 内熱交換器412、室内風扇413、空氣過濾器清掃機構414、 室内管線溫度烕測器417、吸入溫度感測器418、渔度感測 器419、用以檢測空氣中之塵埃量之塵埃感測器422、還有 ⑧. 10 未圖示之吸入部、吹出部、上下葉片、左右葉片，室外機 402與室内機403係連接而形成冷凍循環，並藉切換四向閥 進行冷氣運轉與暖氣運轉任一者。 室内熱交換器412分成前側熱交換器412a與後側熱交 換器412b ’前側熱交換器412a與後側熱交換器412b係經由 由乾式雙向閥415與毛細管416構成之集中機構而連接。藉 令乾式雙向閥415為全開，進行冷氣運轉或暖氣運轉，令乾 式雙向閥415為關閉狀態，且藉令膨脹閥406為全開或大略 全開’可令前側熱交換器412a為冷凝器，後側熱交換器412b 為蒸發器，因此可進行所謂的除濕運轉。 又’室外機402、室内機403分別設有室外控制部420 與室内控制部42卜兩控制部42〇、421係電氣連接，並控制 空氣調節機401之各種動作。 以下說明前述構成之空氣調節機之動作、作用。 第5圖係顯示本發明之實施型態丨之空氣過濾器之自動 清掃控制之流程圖。 如第5圖所示，首先步驟5〇1係判定設置於室内控制部 4 21之時間計測器所計測的空氣調節機之停止時間的累積 時間是否經過預定時間，該判定為YES時，則判斷空氣過 濾器的上面部有塵埃堆積，並在步驟5G2中僅自動清掃空氣 過滤器之上面部。另—方面，當步驟501的判定為NO時， 則進入步驟503。 又，前述之空氣調節機之停止時間的累積時間設定 為’假想吸引裝置Η)6運轉—次可吸引之塵埃量之空氣調節 1351497 機之停止中的合計時間，例如設定為360個小時。 步驟503中，係判斷是否為前次清掃後之首次運轉，若 為YES的話則進入步驟504,另一方面，若為NO的話則進入 步驟505。步驟504中，係判定由時間計測器所計測之空氣 5 調節機之運轉時間的累積時間是否超過預定時間，若該判 定為YES的話，則在步驟506中實施空氣過濾器的自動清 掃，另一方面，若為NO的話則返回步驟504。 又，吸引裝置106運轉一次可吸引之塵埃量係假想為空 氣調節機運轉大約24小時後附著於空氣過濾器的量，但在 10 前次清掃後空氣調節機開始運轉時，塵埃附著於空氣過濾 器的附著量很少，因此前述之空氣調節機之運轉時間的累 積時間可設定為如24小時的2倍為48小時。 又，步驟505中，係判定時間計測器所計測之空氣調節 機的運轉時間的累積時間是否超過預定時間，若該判定為 15 YES的話則進入步驟506,另一方面若為NO的話則返回步驟 505。 再者，考量到清掃後之初次運轉以外的運轉時，會有 某種程度之塵埃附著於空氣過濾器，因此此時之空氣調節 機之運轉時間的累積時間係設定為，假想吸引裝置106運轉 20 一次可吸引之塵埃量附著之空氣調節機之運轉中的合計時 間，例如設定為24小時。 如上所述，本實施型態1中，空氣調節機在停止期間， 塵埃容易附著於大略水平延伸之空氣過濾器之上面部，因 此可藉僅清掃該部分，縮短清掃時間，並可減少不必要之 ⑧ 12 消耗電力。又’由於係根據空氣調節機之累積運轉時間自 動清掃空氣過心，因此可容易且有效率地進行清掃作 業更進步’空氣過漉器清掃後，空氣調節機開始運轉 時將判斷工氣過據器的清掃之累積運轉時間設定為長於 除此之外的If況的時間，藉此可盡量抑制不必要的清掃並 可減少隨清掃產生之劈音或消粍電力，提昇便利性。 實施型態2 第6圖係顯示本發明之實施型態2之空氣過濾器之自動 清掃控制之流程圖。 〆如第6圖所示，步驟6〇1中，利用塵埃檢測器422檢測漂 浮於二中之塵埃量，當檢測出之塵埃量在預定值以上時， 會進入步獅2 ’另—方面’當不滿預定值時，則返回步驟 步驟602中’當空氣巾之塵埃量在預定值以上時會 判疋空明節機之運轉時間的累積時間是否超過預定時 間右該判定為YES的話，則在步驟6〇3實施空氣過遽器之 自動^掃’若為NO的話則返回步驟6〇1。 再者’前述所謂之塵埃量的預定時係指實驗上所要求 之居住空間塵埃量很多的狀態，例如忱瓜2/3為1〇個以上之狀 態°又’前述之空氣調節機之累積運轉時間的預定時間係 °又疋為’假想在lcm2/s為10個以上之狀態下，塵埃附著於空 氣過據器時’吸引裝置103運轉一次可吸引之塵埃量之空氣 調節機之運轉中之合計時間，例如大約12小時。 如上所述，本實施型態2中，藉檢測空氣調節機周圍之 二氣中的塵埃量，可更精確地檢測塵埃附著於空氣過濾器 1351497 之附著量，並可在適當的時期進行空氣過濾器之自動清 掃，藉此可防止不必要之清掃，提昇便利性。 【圖式簡單說明】 第1圖係顯示本發明中設置於空氣調節機之室内機之 5 空氣過滤器清掃機構之透視圖。 第2A圖係第1圖之設置於空氣過濾器清掃機構之吸引 嘴的分解透視圖。 第2B圖係顯示第2A圖中沿著線A-A之截面圖。 第3圖係顯示藉第2A圖之吸引嘴進行空氣過濾器之全 10 面清掃之情況的板式圖。 第4圖係顯示本發明之空氣調節機之冷凍循環及控制 電路之構成之區塊圖。 第5圖係顯示本發明之實施型態1之空氣過濾器之自動 清掃控制之流程圖。 15 第6圖係顯示本發明之實施型態2之空氣過濾器之自動 清掃控制之流程圖。 第7圖係顯示習知之空氣調節機之室内機的截面圖。 【主要元件符號說明】 101.. .過濾器框架 101a...上面部 101b...下面部 102…濾網 103.301.. .吸引嘴 105.. .吸引導管 106…吸引裝置 107.. .排氣導管 201.. .吸引嘴本體 202.. .鉤狀的開口部 104...導軌 203,302…帶 14 1351497 204.303.. .吸引孔 205.. .帶導引部 401…空氣調節機 402…室外機 403.. .室内機 404…壓縮機 405.. .四向閥 406.. .膨脹閥 407.. .室外熱交換器 408.. .室外風扇 409…吐出溫度感測器 410.. .室外管線溫感測器 411.. .外氣溫度感測器 412.. .室内熱交換器 412a...前側熱交換器 412b...後側熱交換器 413.. .室内風扇 414.. .空氣過滤器清掃機構 415.. .乾式雙向閥 416…毛細管 417.. .室内管線溫度感測器 418.. .吸入溫度感測器 419…溼度感測器 420.. .室外控制部 421.. .室内控制部 422.. .塵埃感測器 701.. .空氣調節機之室内機 702.. 703…熱交換器 704,304…空氣過濾器 15IX. INSTRUCTIONS: The technology to which the invention belongs is known as the invention. The present invention relates to an air conditioner having an indoor unit having an automatic cleaning function of an air filter. BACKGROUND OF THE INVENTION FIG. 7 is a view showing an indoor unit 7〇1 of a conventional air conditioner. As shown in FIG. 7, the air sucked in by the fan 7〇2 is cooled or heated in the heat exchanger 703, and then goes indoors. Air supply. In order to prevent dust floating in the inhaled air from intruding into the inside of the indoor unit 701, the air filter 704 is bent in a shape along the inside of the suction port of the indoor unit 701, and the upper surface is horizontal. Further, the air filter is configured to be detachable and can clean the adhered dust by hand. Further, the air conditioner which is easy to clean the air transition device is known in which the filter device is disposed inside the suction port of the suction panel, and the filter skirt has a belt-shaped filter that is wound/wound in by the motor, A dust removing member that removes dust adhering to the filter screen and a dust box for collecting dust that has been removed by the dust removing member (refer to Patent Document 1). [Patent Document 1] Japanese Laid-Open Patent Publication No. 2001-99479 (pages 3 to 4, FIG. 1) [Summary of Invention 3] Summary of the Invention The problem to be solved by the invention is that the air conditioning shown in Fig. 7 In the machine, the air filter 7 〇 4 is removed by the indoor unit 7G1 in response to the frequency of use, and it is necessary to wash the water or use the _ remover to remove the attached dust for regular maintenance. Further, the production S' which cannot be regularly maintained is accumulated due to dust and sucks into the air filter 704, so that the air vent resistance is increased', so that the performance of the air conditioner is lowered and the power consumption is increased. In the configuration described in Patent Document 1, the dust adhered to the belt filter that is wound by either the upper and lower sides of the drive motor is collected in the dust box. Therefore, before the dust exceeds the amount stored in the dust box, The dust is cleared and there are issues that must be repaired regularly. The present invention has been made in view of the conventional problems of the prior art, and an object thereof is to provide an air conditioner which can automatically clean an air filter without requiring regular maintenance. Means for Solving the Problem In order to achieve the above object, an air conditioner of the present invention has an indoor unit capable of automatically cleaning an air filter function, and includes: an air filter for collecting dust in the air; a suction nozzle; Moving along the air filter toward the left and right of the indoor unit to form a suction hole for attracting dust adhering to the air filter; and the cumulative operation time detecting mechanism 'for detecting the cumulative operation time of the air conditioner Further, the air conditioner is configured to perform automatic cleaning of the air filter when the cumulative operation time of the air conditioner detected by the cumulative operation time detecting means exceeds a predetermined time. Further, it is preferable to set the predetermined time for the air conditioner to start the operation of the air conditioner after the air conditioner is turned off at 1351497 '. Further, a dust amount detecting mechanism for detecting the amount of dust in the air is further provided, and the air conditioner is configured to perform an air filter when the amount of dust detected by the dust amount detecting means is greater than or equal to a predetermined value. Automatic cleaning. Further, a cumulative stop time detecting mechanism for detecting the cumulative stop time of the air conditioner may be provided instead of the aforementioned cumulative operation time detecting means, and the accumulation of the air conditioner detected by the cumulative stop time detecting means When the stop time exceeds the predetermined time, the automatic cleaning of the air filter 10 is performed. In this case, only one part of the air filter is automatically cleaned. Advantageous Effects of Invention According to the present invention, since the cumulative operation time detecting means for detecting the cumulative operation time of the air conditioner is provided, when the cumulative operation time of the air conditioner exceeds the predetermined time, the air filter is automatically cleaned, so ^ Regular maintenance is required and convenience can be improved. Moreover, the predetermined time when the air conditioner is started to be cleaned after the air filter is cleaned is set to be 20 longer than in other cases of the air conditioner, and unnecessary cleaning of the air filter can be minimized, and the air filter can be reduced. With the noise generated by cleaning or unnecessary power consumption. - Further, a dust amount detecting means for detecting the amount of dust in the air is further provided, and when the amount of dust is equal to or greater than a predetermined value, automatic cleaning of the air filter is performed, and the amount of dust attached to the air filter can be accurately detected. , 7 1351497 " The automatic cleaning of the air filter can be performed at an appropriate time and can prevent: unnecessary cleaning. Further, a cumulative stop time detecting mechanism for detecting the cumulative stop time of the air conditioner is provided instead of the cumulative operation time detecting means, that is, the automatic air filter is performed when the cumulative stop time has exceeded the predetermined time. Cleaning does not require regular maintenance to improve convenience. In addition, when the operation is stopped, dust is concentrated on the upper surface of the air filter. Therefore, when the automatic cleaning of the air filter is performed according to the cumulative stop time, only the upper surface of the air filter can be cleaned, and in a short time. Cleaning at an efficiency of 10 reduces unnecessary power consumption. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing an air filter cleaning mechanism provided in an indoor unit of an air conditioner of the present invention. Fig. 2A is an exploded perspective view of the suction nozzle of the air filter cleaning mechanism of Fig. 1; Fig. 2B is a cross-sectional view along line A-A in Fig. 2A. ^ Fig. 3 is a schematic view showing a state in which the air filter is completely cleaned by the suction nozzle of Fig. 2A. Fig. 4 is a block diagram showing the construction of the refrigeration cycle and control circuit 20 of the air conditioner of the present invention. Fig. 5 is a flow chart showing the automatic-cleaning control of the air filter of the embodiment 1 of the present invention. Fig. 6 is a flow chart showing the automatic cleaning control of the air filter of the embodiment 2 of the present invention. 8 8 Fig. 7 is a cross-sectional view showing an indoor unit of a conventional air conditioner. I. Embodiment 3 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings. Fig. 1 is a perspective view showing an air filter cleaning mechanism of the indoor unit of the air conditioner of the present invention. In Fig. 1, an air filter for removing dust passing through the air of the heat exchanger is composed of a filter frame 1 (H and a screen 102), and the filter frame 101 is configured such that the intermediate portion is curved and the upper surface portion 1013 Forming a horizontal or near-horizontal shape, the lower portion 101b is vertically disposed with a suction nozzle 103 movable along the surface of the air filter. The suction nozzle 103 is attached to the lower end of the filter holder 101 by a guide rail 1〇. 4, while maintaining a certain distance from the air filter and smoothly moving to the left and right. One end of the suction duct 105 is coupled to the suction nozzle 103. The other end of the suction duct 105 is coupled to the suction device 1〇6. The suction duct 105 is not The air duct 107 is connected to the suction device 106 and is surrounded by the suction device 106, and the dust attached to the air filter is attracted by the suction nozzle 103, and When the suction filter 105, the suction device 106, and the exhaust duct 107 are discharged to the outside, when the air filter device having the above-described configuration is provided in the small air conditioner for home use, it is necessary to achieve suction. The miniaturization and small output of the lead-in device must therefore be able to exert a strong attraction with a small amount of air, and the suction nozzle 103 is concentrated to attract a part to enhance the attractiveness, and is set to sweep the filter to clean the filter. 1351497 Fig. 2A is an exploded perspective view showing the structure of the suction nozzle 103, and Fig. 2B is a sectional view thereof. As shown in Figs. 2A and 2B, the nozzle body 201 is formed with a long groove-like opening corresponding to the entire length of the air filter. The portion 202 is provided with a suction hole 204 along the opening portion 202 5 in the drivable belt 28, whereby only one portion of the opening portion 202 can be attracted, and the suction belt can be changed by the driving belt 203. Further, the belt 203 must be made. The sliding body 201 is slid along the suction nozzle body 201, so that it is covered by the belt guiding portion 205 formed by the body of the suction nozzle body 201 by fusion or the like. With such a configuration, even a small air volume can be concentrated on a small suction. The hole '10 thus increases the wind speed of the suction hole, and even a small suction device can exert a strong attraction. As shown in Fig. 3, the overall cleaning of the air filter is driven by the suction nozzle 301. The belt 302 is used to change the position of the upper and lower directions of the suction nozzle 303 'and the suction nozzle 301 is driven to the left and right along the air filter 304' so that the suction hole 303 performs the sweeping action as shown by the arrow direction in FIG. Further, Fig. 4 shows a configuration of a refrigeration cycle and a control circuit of the air conditioner of the present invention. In Fig. 4, the air conditioner is composed of an outdoor unit 402 and an indoor unit 403. The indoor unit 403 Provided: a compressor 404, a four-way valve 405, an expansion valve 406, an outdoor heat exchanger 4〇7, an outdoor fan 408, a discharge temperature sensor 409, an outdoor line sensor 41, and an outdoor temperature sensor. The 411 ° indoor unit 403 is provided with an indoor heat exchanger 412, an indoor fan 413, an air filter cleaning mechanism 414, an indoor line temperature detector 417, a suction temperature sensor 418, and a fishery sensor 419 for detecting air. The dust sensor 422 of the dust amount in the middle, and the suction portion, the blowing portion, the upper and lower blades, and the left and right blades, not shown, the outdoor unit 402 is connected to the indoor unit 403 to form a refrigeration cycle, and the switch four is switched. Cooling operation to the valve Run with any of the heating. The indoor heat exchanger 412 is divided into a front side heat exchanger 412a and a rear side heat exchanger 412b. The front side heat exchanger 412a and the rear side heat exchanger 412b are connected via a concentrating mechanism composed of a dry bidirectional valve 415 and a capillary tube 416. When the dry two-way valve 415 is fully open, the air-cooling operation or the heating operation is performed, the dry two-way valve 415 is in a closed state, and the expansion valve 406 is fully open or substantially fully open, so that the front side heat exchanger 412a is a condenser, and the rear side The heat exchanger 412b is an evaporator, so that a so-called dehumidification operation can be performed. Further, the outdoor unit 402 and the indoor unit 403 are each provided with an outdoor control unit 420 electrically connected to the indoor control unit 42 and the two control units 42A and 421, and controls various operations of the air conditioner 401. The operation and action of the air conditioner having the above configuration will be described below. Fig. 5 is a flow chart showing the automatic cleaning control of the air filter of the embodiment of the present invention. As shown in Fig. 5, first, step 5〇1 determines whether or not the accumulated time of the stop time of the air conditioner measured by the time measuring device provided in the indoor control unit 421 has elapsed for a predetermined time. If the determination is YES, it is judged. There is dust accumulation on the upper surface of the air filter, and only the upper surface of the air filter is automatically cleaned in step 5G2. On the other hand, when the determination in step 501 is NO, the process proceeds to step 503. In addition, the accumulation time of the stop time of the air conditioner described above is set to 'hypothetical suction device Η) 6 operation - air adjustment of the amount of dust that can be attracted at a time 1351497 The total time during the stop of the machine is set to, for example, 360 hours. In step 503, it is determined whether it is the first operation after the previous cleaning. If YES, the process proceeds to step 504. On the other hand, if NO, the process proceeds to step 505. In step 504, it is determined whether the accumulated time of the operation time of the air 5 adjusting machine measured by the time measuring device exceeds a predetermined time. If the determination is YES, then the automatic cleaning of the air filter is performed in step 506, and the other is performed. On the other hand, if NO, the process returns to step 504. Further, the amount of dust that can be sucked by the suction device 106 once is assumed to be the amount that adheres to the air filter after the air conditioner is operated for about 24 hours, but the dust adheres to the air filter when the air conditioner starts operating after the previous cleaning. The amount of attachment of the device is small, so the cumulative time of the operation time of the aforementioned air conditioner can be set to be twice as many as 48 hours for 24 hours. Further, in step 505, it is determined whether or not the accumulated time of the operation time of the air conditioner measured by the time measuring device exceeds a predetermined time. If the determination is 15 YES, the process proceeds to step 506, and if NO, the process returns to the step. 505. Further, when the operation other than the initial operation after the cleaning is considered, a certain amount of dust adheres to the air filter. Therefore, the cumulative time of the operation time of the air conditioner at this time is set to operate the virtual suction device 106. 20 The total time during the operation of the air conditioner to which the amount of dust that can be attracted is attached is set to, for example, 24 hours. As described above, in the first embodiment, during the stop of the air conditioner, the dust easily adheres to the upper surface of the air filter which is substantially horizontally extended, so that only the portion can be cleaned, the cleaning time can be shortened, and the unnecessary time can be reduced. 8 12 consumes electricity. In addition, since the air is automatically cleaned according to the accumulated operation time of the air conditioner, the cleaning operation can be performed more easily and efficiently. After the air conditioner is cleaned, the air conditioner will judge the work. The cumulative running time of the cleaning of the device is set to be longer than the time of the other, so that unnecessary cleaning can be suppressed as much as possible, and the noise or the power generated by the cleaning can be reduced, and the convenience can be improved. Embodiment 2 Fig. 6 is a flow chart showing the automatic cleaning control of the air filter of the embodiment 2 of the present invention. As shown in Fig. 6, in step 6.1, the dust detector 422 is used to detect the amount of dust floating in the second, and when the detected amount of dust is above a predetermined value, the lion 2 'other-side' is entered. When the predetermined value is not satisfied, then returning to step 602, when the amount of dust of the air towel is above a predetermined value, it is determined whether the cumulative time of the operation time of the emptying machine exceeds the predetermined time. If the determination is YES, then Step 6〇3 Implement the automatic sweep of the air filter. If NO, return to step 6〇1. In addition, the predetermined time of the so-called dust amount refers to a state in which the amount of dust in the living space required for the experiment is large, for example, the state of the melon 2/3 is more than one, and the cumulative operation of the aforementioned air conditioner The predetermined time of the time is also assumed to be 'in the state where the air conditioner is in the state where the lcm2/s is 10 or more, and the dust is attached to the air passing device, and the suction device 103 operates once to attract the dust. Total time, for example about 12 hours. As described above, in the second embodiment, by detecting the amount of dust in the two gases around the air conditioner, the adhesion of the dust to the air filter 1351497 can be more accurately detected, and the air filter can be performed at an appropriate timing. The automatic cleaning of the device prevents unnecessary cleaning and improves convenience. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing a 5 air filter cleaning mechanism provided in an indoor unit of an air conditioner of the present invention. Fig. 2A is an exploded perspective view of the suction nozzle provided in the air filter cleaning mechanism of Fig. 1. Fig. 2B is a cross-sectional view along line A-A in Fig. 2A. Fig. 3 is a plan view showing the case where the full-surface cleaning of the air filter is performed by the suction nozzle of Fig. 2A. Fig. 4 is a block diagram showing the constitution of the refrigeration cycle and control circuit of the air conditioner of the present invention. Fig. 5 is a flow chart showing the automatic cleaning control of the air filter of the embodiment 1 of the present invention. Fig. 6 is a flow chart showing the automatic cleaning control of the air filter of the embodiment 2 of the present invention. Fig. 7 is a cross-sectional view showing an indoor unit of a conventional air conditioner. [Description of main component symbols] 101.. Filter frame 101a... Upper face 101b... Lower part 102... Filter 103.301.. .. suction nozzle 105.. suction catheter 106... suction device 107.. Air duct 201.. suction nozzle body 202.. hook-shaped opening portion 104... rail 203, 302... belt 14 1351497 204.303.. suction hole 205.. belt guide 401... air conditioner 402... outdoor 403.. .Indoor unit 404...Compressor 405.. . Four-way valve 406.. Expansion valve 407.. Outdoor heat exchanger 408.. Outdoor fan 409...Spit temperature sensor 410.. .Outdoor Pipeline temperature sensor 411.. External air temperature sensor 412.. Indoor heat exchanger 412a... Front side heat exchanger 412b... Rear side heat exchanger 413.. Indoor fan 414.. Air filter cleaning mechanism 415.. dry two-way valve 416... capillary 417.. indoor pipeline temperature sensor 418.. suction temperature sensor 419... humidity sensor 420.. outdoor control unit 421.. Indoor control unit 422.. dust sensor 701.. air conditioner indoor unit 702.. 703... heat exchanger 704, 304... air filter 15