＜第1實施形態＞ 以下，參照圖式說明本發明之實施形態。圖1及圖2係顯示第1實施形態之空氣清淨機之前視圖及側視剖面圖。另，箭頭S表示空氣之流向。空氣清淨機1具有開有吸入口3及吹出口4、5並設置於居室內之地板面等之框體2。框體2具有本體部20及蓋部21。蓋部21相對於本體部20之背面可裝卸地配置，開有吸入口3。本體部20分別於前面上部及上表面開有吹出口4、5。 於吹出口4、5分別設置可改變風向之風向板14、15。風向板14包含平板，藉由設於風向板14之旋動軸部(未圖式)而可於上下方向旋動地被支持。於風向板14之下表面，左右方向並排垂直設置複數個縱百葉板14a。兩側端部之縱百葉板14a愈向前方行進愈向左右方向之外方傾斜。 風向板15包含平板，藉由設於風向板15之前部之旋動軸部15b而可於上下方向旋動地支被持。於風向板15之下表面，左右方向並排垂直設置複數個縱百葉板15a。兩側端部之縱百葉板15a愈向後方行進愈向左右方向之外方傾斜。 風向板14、15於空氣清淨機1停止運轉時分別關閉吹出口4、5，運轉時打開吹出口4、5。 於框體2內設置連結吸入口3與吹出口4、5之空氣通路8。於空氣通路8內自吸入口3向吹出口4、5(自氣流上游朝向下游)依序設置前置濾網6(濾網)、脫臭濾網7、集塵濾網9、加濕部200、送風機10、離子產生裝置11及節氣板12。 空氣通路8具有於離子產生裝置11之下游分支之第1分支通路8a及第2分支通路8b。第1分支通路8a及第2分支通路8b分別與吹出口4、5連通，第1分支通路8a之空氣流路之剖面積小於第2分支通路8b之空氣流路之剖面積。 節氣板12形成為薄板狀，藉由旋動軸部12a而可上下方向旋動地被支持。節氣板12可自關閉第1分支通路8a之位置(參照圖2)向打開方向(圖2中為逆時針方向)旋動。藉由節氣板12可改變第1分支通路8a及第2分支通路8b之風量平衡。 送風機10係藉由受馬達10a驅動之多葉式風扇等之離心風扇而形成，於軸向吸氣並於周向排氣。 前置濾網6係由聚丙烯等之薄片狀網眼形成，面向吸入口3配置於蓋部21。可藉由前置濾網6捕集吸氣中之大塵埃。 脫臭濾網7形成為蜂窩狀，可吸附空氣中之臭氣成分而將空氣脫臭。 集塵濾網9包含HEPA(High Efficiency Particulate Air)濾網(高效率空氣濾網)，以覆蓋濾材(未圖示)之方式藉由熱熔融熔接框材(未圖示)。藉由集塵濾網9可捕集空氣中之微細塵埃或小於特定粒徑(例如3 μｍ)之粒徑的PM 2.5等之微小粒子。 加濕部200於托盤201內之水中浸漬加濕濾網202之下部，使通過加濕濾網202之空氣加濕。藉此，自吹出口4、5送出加濕空氣。 離子產生裝置11具有藉由高壓電壓之施加而產生離子之離子產生面11a，離子產生面11a面向空氣通路8內。對離子產生面11a施加包含交流波形或脈衝波形之電壓。離子產生面11a之施加電壓為正電壓之情形時產生主要包含H
+(H
2O)m之正離子，負電壓之情形時產生主要包含O
2 —(H
2O)n之負離子。其中，m、n為整數。H
+(H
2O)m及O
2 —(H
2O)n凝聚於空氣中之浮游菌或臭氣成分之表面並將該等成分包圍。 且，如式(1)~(3)所示，藉由碰撞而於微生物等之表面上凝聚生成活性種[・OH](羥基自由基)或H
2O
2(過氧化氫)，並破壞浮游菌等。此處，m'、n'為整數。因此，可藉由產生正離子及負離子並自吹出口4、5送出，而進行居室內之除菌及除臭。
於本體部20之上表面前部設置操作部19。操作部19具有複數個按鈕(未圖示)，藉由使用者之操作而進行空氣洗淨機1之動作設定。藉由各按鈕之操作，可進行自吹出口4、5送出之空氣風量之變更或空氣吹出方向之變更等。 又，於蓋部21設置清掃前置濾網6之清掃裝置30。圖3係顯示清掃裝置30之分解立體圖。清掃裝置30具有供給輥40、捲取輥50、齒輪單元60、賦能部70、刷體80、集塵部90及驅動馬達100(參照圖2)。 供給輥40及捲取輥50分別配置於蓋部21之上部及下部，保持前置濾網6之兩端。前置濾網6於清掃裝置30停止時捲繞於供給輥40，於清掃裝置30驅動時自供給輥40送出，並捲取於捲取輥50。 供給輥40具有於左右方向延伸之軸41，軸蓋48被嵌於軸41之兩端部。軸蓋48藉由配置於蓋部21之內面之上端部之支持構件49而被可旋轉地支持。藉此，供給輥40配置為可藉由於左右方向延伸之旋轉軸而旋轉。又，供給輥40之一端(右端)經由軸蓋48與賦能部70連結。 捲取輥50具有於左右方向延伸之軸51，軸51之兩端部被嵌有軸蓋58。藉由配置於蓋部21之內面之下端部之支持構件59及齒輪單元60，分別可旋轉地支持左右之軸蓋58。藉此，捲取輥50配置為藉由於左右方向延伸之旋轉軸而可旋轉。 圖4係顯示前置濾網6之俯視圖。前置濾網6於捲取方向W之兩端部，具有於左右方向延伸且保持於供給輥40及捲取輥50之棒材6a。又，前置濾網6具有：清掃裝置30停止時面向吸入口3配置之通氣部6b；及清掃裝置30驅動時自供給輥40送出之收納部6c。 於收納部6c上設有與通氣部6b區別而可自吸入口3視認之圖案6g。於本實施形態中，作為圖案6g，係使用“掃除中”之紅色文字。另，圖案6g無特別限定，例如亦可為與通氣部6b不同顏色之條紋花樣等。 圖5係顯示供給輥40之側視剖面圖。另，捲取輥50之構成與供給輥40為相同之構成，因此以供給輥40為代表進行說明。形成供給輥40之軸部之軸41具有芯材41a及套筒41d。 芯材41a係由剖面C字狀之鋁等金屬之擠壓成形品構成，於周面上具有於軸向延伸之槽部41b。槽部41b之對向之內壁面41c傾斜，槽部41b之周向之寬度係外周側較內周側大。藉由槽部41b之內壁面41c支持前置濾網6之棒材6a之周面。 套筒41d藉由具有於軸向延伸之開口部41e之剖面C字狀之樹脂成形品形成，外嵌於芯材41a。於槽部41b上支持棒材6a之前置濾網6係插通於開口部41e。套筒41d之開口部41e之寬度小於棒材6a之直徑，防止支持於芯材41a之棒材6a脫落。此時，套筒41d之周向之兩端部利用彈性而按壓棒材6a，藉由芯材41a之槽部41b及套筒41d而彈性夾持棒材6a。 又，若對套筒41d之開口部41e於擴開方向(圖5中為左右方向)施加力，則套筒41d彈性變形。可經由經擴開之開口部41e對於軸41裝卸前置濾網6之棒材6a。同樣，可對於軸51裝卸前置濾網6之下端部之棒材6a。藉此，可容易地將前置濾網6自清掃裝置30卸下，進行前置濾網6之更換等。 於圖3中，刷體80配置於可裝卸地安裝於蓋部21之集塵部90。刷體80具有於集塵部90支持軸向之兩端部之軸81，如後述，於清掃裝置30驅動時旋轉，並將前置濾網6上之塵埃去除。於軸81之一端(右端)設置正齒輪68，於軸81之周面，以特定間隔螺旋狀植設刷毛束82。 集塵部90具有蓋部91、容器92及梳狀部93，對於蓋部21可裝卸地配置。容器92由透明樹脂形成，上表面開口且於兩側部支持刷體80。蓋部91開有橫跨左右端開口之開口部91a，覆蓋容器92之上表面。刷體80之刷毛束自開口部91a露出於外部。梳狀部93係於左右方向延伸而形成，使齒尖朝向上方並配置於容器92內。旋轉之刷體80之刷毛束82與梳狀部93之齒尖抵接。藉由梳狀部93將附著於刷毛束82之塵埃自刷毛束82去除。 藉由刷體80自前置濾網6去除之塵埃及藉由梳狀部93自刷體80去除之塵埃收集於容器92內。此時，由於容器92係由透明樹脂形成，因此使用者可容易掌握容器92內之塵埃量。 驅動馬達100(參照圖2)配置於框體2之本體部20內，驅動馬達100之旋轉軸(未圖示)自本體部20之背面向後方突出。 又，於前置濾網6之前方具有特定間隙而配置按壓構件22。按壓構件22對於蓋部21可裝拆地安裝。按壓構件22具有以ABS等合成樹脂形成之矩形之框22a。於框22a內設置於上下方向延伸之肋部22b，及於左右方向延伸且並設於上下方向之複數(本實施形態中為3條)肋部22c。藉此，按壓構件22具有複數段複數行窗。藉由按壓構件22使前置濾網6沿著吸入口3穩定配置，可防止因吸入氣流導致之前置濾網6之鬆弛。 於按壓構件22之框22a之右側端部之中央部設置磁鐵23。於本體部20之與磁鐵23對向之位置設置霍爾元件(未圖示)。空氣清淨機1可藉由霍爾元件判斷蓋部21是否安裝於本體部20。且，空氣清淨機1於判斷蓋部21未安裝於本體部20之情形時，禁止送風機10之動作。藉此，避免蓋部21未安裝於本體部20之狀態下之空氣清淨機1之送風動作。 又，齒輪單元60及賦能部70配置於蓋部21之一端部(右端部)。因此，於蓋部21之內面上，於齒輪單元60與賦能部70之間，形成空間SP。於空間SP貼著記載有關於空氣清淨機1之操作說明之資訊之帶狀構件300。上述資訊中包含關於前置濾網6自清掃裝置30卸下之方法之資訊，及關於後述之賦能部70之轉柄73之操作方法之資訊。 藉此，使用者將蓋部21自本體部20卸下時視認上述資訊，可容易認知前置濾網6自清掃裝置30卸下之方法及賦能部70之轉柄73之操作方法。因此，可提高空氣清淨機1之便利性。 圖6係顯示清掃裝置30之捲取輥50、集塵部90及齒輪單元60之內部之立體圖。圖7係顯示齒輪單元60之內部之放大立體圖。齒輪單元60於殼體60a(參照圖3)內具有錐齒輪61(第1交叉軸齒輪)、錐齒輪62(第2交叉軸齒輪)、正齒輪63 (第1平行軸齒輪)、正齒輪64(第2平行軸齒輪)、內齒輪65、正齒輪66、及正齒輪67。殼體60a螺固於蓋部21(參照圖3)。 錐齒輪61係軸向配置於前後方向，於軸上具有與驅動馬達100(參照圖2)之旋轉軸(未圖示)嵌合之嵌合孔61a。錐齒輪62係軸向配置於左右方向，與錐齒輪61嚙合。正齒輪63與錐齒輪62同心地一體形成。 正齒輪63之軸部63a具有供軸蓋58之凸部58a(參照圖3)嵌合之嵌合孔(未圖示)。藉此，正齒輪63及錐齒輪62與捲取輥50連結。 正齒輪64配置於正齒輪63之下方，與正齒輪63嚙合。內齒輪65與正齒輪64一體設置。正齒輪66與內齒輪65嚙合。正齒輪67與正齒輪66同心地一體形成。設於刷體80之一端之正齒輪68與正齒輪67嚙合。 捲取輥50藉由驅動馬達100之驅動經由錐齒輪61、錐齒輪62而旋轉。又，刷體80藉由與錐齒輪62一體之正齒輪63之旋轉經由正齒輪64、內齒輪65、正齒輪66、正齒輪67、及正齒輪68而旋轉。由於與錐齒輪62一體之正齒輪63與連結於刷體80之正齒輪64嚙合，故可使平行配置於捲取輥50之刷體80容易旋轉。 此時，由於設有與正齒輪64一體之內齒輪65，故可使刷體80之旋轉軸上之正齒輪68配置於正齒輪63之旋轉軸(軸部63a)與正齒輪64之旋轉軸之間。藉此，可容易使於捲取輥50上之前置濾網6上滑動之刷體80靠近捲取輥50配置。 另，錐齒輪61、62只要為交叉軸齒輪即可。又，各正齒輪只要為平行軸齒輪即可，亦可使用斜齒輪等。 圖8係顯示清掃裝置30之賦能部70之分解立體圖。賦能部70具有互相螺固之收納於殼體78、79內之旋轉體71(第1旋轉體)及旋轉體72(第2旋轉體)。自旋轉體71之軸向之一端面突設夾持部71a，且於另一端面設置槽部71b。設於軸蓋48之扣止部48a與槽部71b嵌合。藉此，旋轉體71扣止供給輥40之軸部，供給輥40與賦能部70連接。 旋轉體72於旋轉體71側之內部收納發條75。發條75之一端(內端)由旋轉體71之夾持部71a夾持，另一端(外端)安裝於旋轉體72之內周面上。自右側面觀察(自箭頭A方向觀察)，旋轉體71相對於旋轉體72順時針旋轉時，發條75之賦能力變大。即，自箭頭A方向觀察，旋轉體72相對於旋轉體71順時針旋轉時，發條75之賦能力變小。 於旋轉體72之軸向之外側(右側)之外周面，以特定間隔設置複數個爪72a。止動器77軸支於殼體78內，止動器77藉由扭轉線圈彈簧77a而於按壓旋轉體72之方向賦能。藉此，旋轉體72藉由止動器77與爪72a之扣合而限制自箭頭A方向觀察使發條75之賦能力減小之順時針之旋轉。 於殼體78之右側面開有開口部78a，以覆蓋開口部78a之方式配置圓筒形狀之轉柄73。於殼體78內配置較開口部78a更大徑之輪緣部73a。轉柄部73與輪緣部73a經由開口部78a而相對於殼體78之外壁於軸向具有特定之間隙並被螺固。藉此，轉柄73可旋轉地安裝於殼體78。 於殼體78內，於輪緣部73a之軸向之內側(左側)配置連結構件74。於旋轉體72與連結構件74之間配置壓縮彈簧76，連結構件74對軸向之外側(右側)賦能。於連結構件74之周面以特定間隔形成複數個缺口部74c。於旋轉體72之軸向之外端部，形成與缺口部74c嵌合之以放射狀延伸之複數條肋部72c。藉此，連結構件74與旋轉體72一體旋轉。 連結構件74形成為較輪緣部73a及開口部78a更大徑。於連結構件74之軸向之外側(右側)之面，以特定間隔設置複數個傾斜部74a及複數條肋部74b。傾斜部74a係自箭頭A方向觀察逆時針逐漸變高地形成。肋部74b與傾斜部74a之頂部隣接，並以放射狀延伸，形成為高於頂部。 又，於輪緣部73a之軸向之內側之面(左側面)，設置與肋部74b扣合之以放射狀延伸之複數條肋部73b。於殼體78之內壁面設置與肋部74b扣合之突起部(未圖示)。 若使轉柄73自箭頭A方向觀察順時針旋轉，則肋部74b與肋部73b扣合，且與殼體78之突起部扣合。藉此，限制轉柄73之旋轉。 另一方面，若使轉柄73自箭頭A方向觀察逆時針旋轉，則肋部73b於傾斜部74a上滑動。因此，連結構件74與壓縮彈簧76之賦能力對抗，於軸向內側移動，肋部74b自殼體78之突起部向軸向偏離。藉此，可使轉柄73旋轉，肋部74b與肋部73b扣合，且旋轉體72於增大發條75之賦能力之方向旋轉。即，藉由轉柄73而旋轉操作旋轉體72。 於上述構成之空氣清淨機1中，若藉由操作部19之操作而開始運轉，則判斷蓋部21是否安裝於本體部20。若判斷蓋部21安裝於本體部20，則驅動送風機10及離子產生裝置11。藉此，自吸入口3吸入居室內之空氣，並於空氣通路8流通。此時，藉由前置濾網6捕集空氣中之大塵埃。又，藉由脫臭濾網7使空氣脫臭，藉由集塵濾網9捕集空氣中之微細塵埃或PM 2.5等微小粒子。 且，藉由離子產生裝置11產生之離子包含於空氣中。包含離子之空氣自吹出口4、5之一者或兩者對居室內吹出。藉此，進行空氣清淨機1之送風動作，進行居室內之空氣清淨。 接著，對清掃裝置30之動作進行說明。若到達特定時期，則清掃裝置30受驅動而藉由清掃裝置30開始清掃動作。清掃動作例如於空氣清淨機1之特定時期內之累積運轉時間超過特定時間時開始。清掃裝置30驅動時送風機10停止。 若清掃裝置30受驅動，則驅動馬達100旋轉，錐齒輪61(參照圖6、圖7)自正面觀察逆時針旋轉。錐齒輪62及正齒輪63自右側面觀察(自箭頭A方向觀察)係順時針旋轉。藉此，捲取輥50自右側面觀察係順時針旋轉，自供給輥40拉出並捲取前置濾網6。 正齒輪64、內齒輪65、正齒輪66及正齒輪67自右側面觀察係逆時針旋轉，正齒輪68自右側面觀察係順時針旋轉。藉此，刷體80自右側面觀察係順時針旋轉。此時，刷體80之刷毛束82於捲取輥50上之前置濾網6上滑動。藉此，去除前置濾網6上之塵埃，塵埃係集塵於容器92內。 此時，捲取輥50之旋轉方向與刷體80之旋轉方向變成相同方向。因此，刷體80之刷毛束82自與前置濾網6之行進方向相反方向起，於前置濾網6上滑動。因此，刷體80可確實去除前置濾網6上之塵埃。 又，較佳為刷體80之周速大於捲取輥50之周速。藉此，可使前置濾網6上刷毛束82之周向之接觸長度，較刷毛束82之接觸週期長，並使刷毛束82無間隙地接觸於前置濾網6上。 旋轉之軸81上之刷毛束82以梳狀部93刷過，使附著於刷毛束82之塵埃落下至容器92內。 前置濾網6捲取於捲取輥50時，與供給輥40連接之賦能部70之旋轉體71(參照圖8)自右側面觀察(自箭頭A方向觀察)係順時針旋轉。藉此，發條75被捲動，發條75之賦能力變大。 此時，前置濾網6之收納部6c上之圖案6g(參照圖4)朝下方移動，透過吸入口3被視認。藉此，使用者可容易辨識清掃裝置30為驅動中。因此，可防止使用者誤認為送風機10因故障而停止。另，於清掃裝置30驅動時亦可使送風機10低速運轉。 若驅動馬達100之旋轉量達到特定值，驅動馬達100便會反轉。藉此，錐齒輪61向捲取時之相反方向(本實施形態中為順時針方向)旋轉。此時，捲取輥50及刷體80自右側面觀察係逆時針旋轉。 利用捲取輥50之前置濾網6之捲取結束時，發條75之賦能力較捲取前變大。因此，若使驅動馬達100反轉，則旋轉體71藉由發條75之復原力而自右側面觀察逆時針旋轉。藉此，前置濾網6捲繞於供給輥40。 若驅動馬達100之旋轉量達到特定值，則驅動馬達100停止。藉由以上，利用清掃裝置30之清掃動作結束。 另，亦可設置檢測捲取輥50之外徑之感測器。藉此，可檢測到捲取有前置濾網6之狀態之捲取輥50之外徑已大於特定之外徑，而使驅動馬達100反轉。又，可檢測到捲取輥50之外徑已小於特定之外徑，而停止驅動馬達100。 利用清掃裝置30之清掃動作結束後，使用者可將集塵部90自蓋部21卸下，並將收集於容器92之塵埃丟棄。 又，前置濾網6於更換時安裝有前置濾網6之一端之供給輥40被安裝於蓋部21。且，前置濾網6之下端安裝於捲取輥50。 此時，有於供給輥40與捲取輥50之間之前置濾網6產生鬆弛之情形。此時，若使用者使賦能部70之轉柄73自右側面觀察(自箭頭A方向觀察)逆時針旋轉，則旋轉體71、72自右側面觀察逆時針旋轉。藉此，前置濾網6捲取於供給輥40，可消除前置濾網6之鬆弛。因此，驅動送風機10時自吸入口3吸入之空氣可確實通過前置濾網6。 根據本實施形態，清掃裝置30之賦能部70具有發條75，上述發條75於捲取輥50捲取前置濾網6時對供給輥40之旋轉軸於與捲取方向之反方向賦能。藉此，若捲取輥50之捲取結束後使驅動馬達100反轉，則前置濾網6藉由發條75之復原力而捲繞於供給輥40。因此，無需於驅動馬達100之外設置用以使供給輥40於與捲取輥50之捲取方向W之相反方向旋轉之馬達。其結果，可削減空氣清淨機1之製造成本。又，由於係使用發條75，故可一面賦能一面將前置濾網6以長距離捲取於捲取輥50。藉此，可提高前置濾網6之大小之設計自由度。 又，賦能部70具有：旋轉體71(第1旋轉體)，其扣止供給輥40之軸部，並安裝發條75之一端；旋轉體72(第2旋轉體)，其安裝發條75之另一端，且限制朝發條75之賦能力減小之方向之旋轉；及轉柄73，其旋轉操作旋轉體72。藉此，若將供給輥40安裝於蓋部21而操作轉柄73，則前置濾網6於與捲取方向W反方向捲繞。因此，可降低前置濾網6之鬆弛，且包含塵埃之空氣可確實通過前置濾網6。 又，賦能部70具備連結構件74，上述連結構件74配置於轉柄73與旋轉體72之間，並限制轉柄73向發條75之賦能力減小之方向旋轉，連結構件74與旋轉體72一體旋轉。藉此，可確實防止旋轉體72向發條75之賦能力減小之方向旋轉。 又，供給輥40之軸41具備：具有槽部41b之芯材41a；及外嵌於芯材41a之由剖面C字狀之彈性體所成之套筒41d，藉由套筒41d及槽部41b而彈性夾持前置濾網6之棒材6a。藉此，若擴開套筒41d之開口部41e，則可容易將棒材6a自軸41卸下。又，藉由套筒41d可防止棒材6a自軸41脫落。對於捲取輥50亦相同。 又，供給輥40之芯材41a由金屬所成，套筒41d由樹脂成形品所成。對於捲取輥50亦相同。藉此，可充分確保軸41、51之強度，且棒材6a對於軸41、51可容易裝卸。 又，驅動馬達100配置於框體2之本體部20，且供給輥40及捲取輥50配置於蓋部21。藉此，可容易自本體部20卸下蓋部21並更換前置濾網6。另，空氣清淨機1具備清掃裝置30，但根據空氣清淨機1之設置場所(例如如廚房般油污較多之場所等)不同而有產生前置濾網6堵塞之情形。此時，亦可容易地卸下前置濾網6並仔細清掃。 又，刷體80與旋轉驅動捲取輥50之驅動馬達100連結，於捲取輥50旋轉時旋轉且於捲取輥50上之前置濾網6(濾網)上滑動。藉此，無需於驅動馬達100之外另外設置使刷體80旋轉之先前例之刷體用馬達。因此，可更削減空氣清淨機1之製造成本。 又，捲取輥50之旋轉方向與刷體80之旋轉方向為相同方向。藉此，刷體80自與前置濾網6之行進方向之反方向，於前置濾網6上滑動。因此，刷體80可確實去除前置濾網6上之塵埃。 又，較好刷體80之周速大於捲取輥50之周速。藉此，可使前置濾網6上刷毛束82之周向之接觸長度較刷毛束82之接觸週期長，可使刷毛束82無間隙地接觸於前置濾網6上。因此，可更確實去除前置濾網6上之塵埃。 又，具備：錐齒輪61(第1交叉軸齒輪)，其具有與驅動馬達100之旋轉軸嵌合之嵌合孔61a；錐齒輪62(第2交叉軸齒輪)，其與錐齒輪61嚙合；正齒輪63(第1平行軸齒輪)，其與錐齒輪62一體旋轉並連結於捲取輥50；及正齒輪64(第2平行軸齒輪)，其與正齒輪63嚙合並連結於刷體80。藉此，可容易利用一個驅動馬達100實現捲取輥50及刷體80之旋轉。 又，由於連結於捲取輥50之正齒輪63較連結於刷體80之正齒輪64更配置於驅動馬達100側，故可抑制傳達至捲取輥50之驅動力之衰減。藉此，可利用與賦能力對抗之驅動馬達100，更確實旋轉驅動經由前置濾網6由賦能部70賦能之捲取輥50。 又，於刷體80與正齒輪64之間，設置與正齒輪64一體而設之內齒輪65，及與內齒輪65嚙合之正齒輪66(第3平行軸齒輪)，刷體80之旋轉軸配置於正齒輪63之旋轉軸與正齒輪64之旋轉軸之間。藉此，可使滑動於捲取輥50上之前置濾網6上之刷體80容易靠近捲取輥50而配置。 又，前置濾網6具有：清掃裝置30停止時面向吸入口3配置之通氣部6b；及清掃裝置30驅動時自供給輥40送出之收納部6c。且，於收納部6c上設有與通氣部6b區別而可自吸入口3視認之圖案6g。藉此，容易視認前置濾網6之移動，使用者可容易辨識利用清掃裝置30之前置濾網6之清掃。 又，清掃裝置30驅動時停止送風機10。藉此，可防止塵埃自前置濾網6去除後立即向前置濾網6之下游側吸入。又，藉由圖案6g可防止使用者誤認為因故障而使送風機10停止。 ＜第2實施形態＞ 接著，針對本發明之第2實施形態進行說明。圖9係顯示本實施形態之空氣清淨機之蓋部之支持構件之側視圖。為便於説明，對與上述圖1~圖8所示之第1實施形態相同之部分附加相同之符號。於本實施形態中，蓋部21之支持構件49之構成與第1實施形態不同。其他部分與第1實施形態相同。 於蓋部21之供給輥40之右方之支持構件49(參照圖3)之前端部，設置於上下方向旋動之樹脂製之旋動板400。旋動板400之軸部401較旋動板400之前後方向之中央偏向後方配置。藉此，如圖9所示，供給輥40未安裝於支持構件49上之情形時，旋動板400之前端部較支持構件49更於前方突出。因此，若供給輥40未安裝於蓋部21之狀態下，欲將蓋部21安裝於本體部21，則旋動板400之前端部與本體部20產生干涉。因此，可容易防止忘記將供給輥40安裝於蓋部21。 另一方面，如圖10所示，若將供給輥40安裝於支持構件49上，則供給輥40與旋動板400之後端部碰撞，旋動板400朝上方旋動。藉此，旋動板400之前端部退避至後方，防止將蓋部21安裝於本體部20時旋動板400與本體部20之干涉。 另，本實施形態亦可獲得與第1實施形態相同之效果。 ＜第3實施形態＞ 接著，針對本發明之第3實施形態進行說明。圖11係顯示本實施形態之空氣清淨機之蓋部之支持構件之側視圖。為便於説明，對與上述圖1~圖8所示之第1實施形態相同之部分附加相同之符號。於本實施形態中，蓋部21之支持構件49之構成與第1實施形態不同。其他部分與第1實施形態相同。 支持構件49具有固定部49a及移動部49b。於移動部49b之後端部設置彈簧49c，彈簧49c之一端安裝於蓋部21之前面。此時，以彈簧49c伸展之狀態下，移動部49b之前端部較固定部49a更於前方突出之方式構成。藉此，如圖11所示，供給輥40未安裝於支持構件49上之情形時，移動部49b之前端部較支持構件49a更於前方突出。因此，若供給輥40未安裝於蓋部21之狀態下，欲將蓋部21安裝於本體部21，則移動部49b之前端部與本體部20干涉。因此，可容易防止忘記將供給輥40安裝於蓋部21。 另一方面，如圖12所示，若將供給輥40安裝於支持構件49上，則與固定部49a抵接之供給輥40使移動部49b向後方移動。藉此，移動部49b之前端部退避至後方，防止將蓋部21安裝於本體部20時移動部49b與本體部20之干涉。 本實施形態亦可獲得與第1實施形態相同之效果。 另，於第2實施形態及第3實施形態中，亦可取代第1實施形態之磁鐵23及霍爾元件，設置光斬波器(未圖示)。光斬波器具有對向之發光部及受光部。由受光部檢測出自發光部朝向受光部之光被較支持構件49更於前方突出之第2實施形態之旋動板400或第3實施形態之移動部49b遮斷之情形時，禁止送風機10之驅動。藉此，可防止蓋部21未安裝於本體部20之狀態下之空氣清淨機1之送風動作。 ＜第4實施形態＞ 接著，針對本發明之第4實施形態進行說明。圖13係顯示本實施形態之空氣清淨機之前置濾網之俯視圖。為便於説明，對與上述圖1~圖8所示之第1實施形態相同之部分附加相同之符號。於本實施形態中，前置濾網6之構成與第1實施形態不同。其他部分與第1實施形態相同。 薄片狀之前置濾網6於捲取方向W排列形成第1區域A1~第4區域A4。第1區域A1成為網眼密度較低之區域，第2區域A2成為網眼密度較高之區域，第3區域A3成為於網眼附著有活性碳之區域，第4區域A4成為於網眼附著有芳香劑之區域。 又，空氣清淨機1具有塵埃感測器(未圖示)及臭氣感測器(未圖示)。塵埃感測器檢測居室內之空氣中之塵埃濃度。臭氣感測器檢測居室內之空氣中之臭氣成分之濃度。 於上述構成之空氣清淨機1中，例如根據塵埃感測器之檢測結果判斷空氣中之塵埃濃度較低之情形時，驅動馬達100驅動，捲取輥50旋轉，使第1區域A1面向吸入口3配置。藉此，可提高空氣清淨機1之送風效率。又，例如根據塵埃感測器之檢測結果判斷空氣中之塵埃濃度較高之情形時，驅動馬達100驅動，捲取輥50旋轉，使第2區域A2面向吸入口3配置。另，可基於第1區域A1~第4區域A4之捲取方向W之長度及驅動馬達100之旋轉量，規定面向吸入口3配置之區域。 根據臭氣感測器之檢測結果判斷空氣中之臭氣成分之濃度較高之情形時，驅動馬達100驅動，捲取輥50旋轉，使第3區域A3或第4區域A4面向吸入口3配置。 藉由以上，由於適於居室內之空氣狀態之前置濾網6之區域係面向吸入口3配置，故可提高空氣清淨機1之使用性。 本實施形態亦可獲得與第1實施形態相同之效果。又，前置濾網6於捲取方向W排列形成第1區域A1~第4區域A4。藉此，由於適於居室內之空氣狀態之前置濾網6之區域係面向吸入口3配置，故可提高空氣清淨機1之使用性。 另，使用者亦可藉由操作操作部19而選擇第1區域A1~第4區域A4。 ＜第5實施形態＞ 接著，針對本發明之第5實施形態進行說明。圖14係顯示本實施形態之空氣清淨機之前置濾網之按壓構件之立體圖。為便於説明，對與上述圖1~圖8所示之第1實施形態相同之部分附加相同之符號。於本實施形態中，按壓構件22之構成與第1實施形態不同。其他部分與第1實施形態相同。 本實施形態之按壓構件22僅具有於前置濾網6之捲取方向W(本實施形態中為上下方向)延伸之肋部22b，不具有在與捲取方向W正交之方向(本實施形態中為左右方向)延伸之肋部。藉此，可防止因在與捲取方向W正交之方向延伸之肋部於前置濾網6上滑動而使塵埃落下。 另，本實施形態亦可獲得與第1實施形態相同之效果。 於第1實施形態~第5實施形態中，係將供給輥40及捲取輥50配置於蓋部21，但亦可取代此，配置於本體部20。 於第1實施形態~第5實施形態之空氣清淨機1之清掃動作中，捲取輥50之捲取速度與向供給輥40之回捲速度可相同亦可不同。例如，若使捲取輥50之捲取速度小於向供給輥40之回捲速度，則可一面去除前置濾網6上之塵埃，一面增大回捲速度，並縮短清掃動作之時間。 本發明可利用於具備清掃濾網之清掃裝置之空氣清淨機。 本申請案係以2016年9月12日提交之日本專利申請第2016-178017號為基礎，其內容以引用之方式併入於本文中。
<First embodiment> Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Fig. 1 and Fig. 2 are a front view and a side cross-sectional view showing the air cleaner of the first embodiment. In addition, an arrow S indicates the flow of air. The air cleaner 1 has a casing 2 in which the suction port 3 and the air outlets 4 and 5 are opened and installed on the floor surface of the living room or the like. The casing 2 has a body portion 20 and a lid portion 21. The lid portion 21 is detachably disposed with respect to the back surface of the main body portion 20, and the suction port 3 is opened. The main body portion 20 has air outlets 4, 5 on the upper front surface and the upper surface, respectively. Wind direction plates 14, 15 which are capable of changing the wind direction are provided in the air outlets 4, 5, respectively. The wind direction plate 14 includes a flat plate that is rotatably supported in the vertical direction by a rotating shaft portion (not shown) provided on the wind direction plate 14. On the lower surface of the wind direction plate 14, a plurality of vertical louvers 14a are vertically arranged side by side in the left-right direction. The longitudinal louver 14a at the both end portions is inclined further toward the outside in the left-right direction as it travels forward. The wind direction plate 15 includes a flat plate which is rotatably supported in the vertical direction by a rotating shaft portion 15b provided at a front portion of the wind direction plate 15. On the lower surface of the wind direction plate 15, a plurality of vertical louvers 15a are vertically arranged side by side in the left-right direction. The longitudinal louver 15a at the both end portions is more inclined toward the outside in the left-right direction as it goes rearward. The wind direction plates 14 and 15 close the air outlets 4 and 5, respectively, when the air cleaner 1 is stopped, and open the air outlets 4 and 5 during operation. An air passage 8 that connects the suction port 3 and the air outlets 4, 5 is provided in the casing 2. The pre-filter 6 (filter), the deodorizing filter 7, the dust collecting filter 9, and the humidifying portion are sequentially disposed in the air passage 8 from the suction port 3 to the air outlets 4, 5 (from the upstream to the downstream of the air current). 200, blower 10, ion generating device 11 and throttle plate 12. The air passage 8 has a first branch passage 8a and a second branch passage 8b branched downstream of the ion generating device 11. The first branch passage 8a and the second branch passage 8b communicate with the air outlets 4 and 5, respectively, and the air passage of the first branch passage 8a has a smaller sectional area than the air passage of the second branch passage 8b. The throttle plate 12 is formed in a thin plate shape, and is rotatably supported in the vertical direction by the rotation of the shaft portion 12a. The throttle plate 12 is rotatable in the opening direction (counterclockwise in FIG. 2) from the position where the first branch passage 8a is closed (see FIG. 2). The air balance of the first branch passage 8a and the second branch passage 8b can be changed by the throttle plate 12. The blower 10 is formed by a centrifugal fan such as a multi-blade fan driven by the motor 10a, and is sucked in the axial direction and exhausted in the circumferential direction. The pre-filter 6 is formed of a sheet-like mesh of polypropylene or the like, and is disposed on the lid portion 21 facing the suction port 3. The dust in the inhalation can be collected by the pre-filter 6. The deodorizing filter 7 is formed in a honeycomb shape, and can adsorb the odor component in the air to deodorize the air. The dust collecting filter 9 includes a HEPA (High Efficiency Particulate Air) filter (high efficiency air filter), and is welded to the frame material (not shown) by heat fusion so as to cover the filter medium (not shown). The fine dust particles in the air or fine particles such as PM 2.5 having a particle diameter smaller than a specific particle diameter (for example, 3 μm) can be collected by the dust collecting screen 9. The humidifying unit 200 dipped the lower portion of the humidifying filter 202 in the water in the tray 201 to humidify the air passing through the humidifying screen 202. Thereby, humidified air is sent out from the air outlets 4 and 5. The ion generating device 11 has an ion generating surface 11a that generates ions by application of a high voltage, and the ion generating surface 11a faces the air passage 8. A voltage including an alternating current waveform or a pulse waveform is applied to the ion generating surface 11a. When the applied voltage of the ion generating surface 11a is a positive voltage, it mainly contains H.
+(H
2O) m positive ion, the case of negative voltage is mainly composed of O
2 -(H
2O) n negative ions. Where m and n are integers. H
+(H
2O)m and O
2 -(H
2O) n condenses on the surface of the floating bacteria or odor components in the air and surrounds the components. Further, as shown in the formulas (1) to (3), an active species [·OH] (hydroxyl radical) or H is formed by agglomeration on the surface of microorganisms or the like by collision.
2O
2(hydrogen peroxide) and destroys floating bacteria and the like. Here, m' and n' are integers. Therefore, the positive ions and the negative ions can be generated and sent out from the air outlets 4 and 5 to perform sterilization and deodorization in the living room.
An operation portion 19 is provided on the front surface of the upper surface of the body portion 20. The operation unit 19 has a plurality of buttons (not shown), and the operation of the air cleaner 1 is set by the user's operation. By the operation of each button, the change in the air volume sent from the air outlets 4, 5 or the change in the air blowing direction can be performed. Further, a cleaning device 30 for cleaning the pre-filter 6 is provided in the lid portion 21. FIG. 3 is an exploded perspective view showing the cleaning device 30. The cleaning device 30 includes a supply roller 40, a take-up roller 50, a gear unit 60, an energizing portion 70, a brush body 80, a dust collecting portion 90, and a drive motor 100 (see Fig. 2). The supply roller 40 and the take-up roller 50 are disposed on the upper and lower portions of the lid portion 21, respectively, and hold both ends of the front screen 6. The pre-filter 6 is wound around the supply roller 40 when the cleaning device 30 is stopped, and is fed from the supply roller 40 when the cleaning device 30 is driven, and is taken up by the take-up roller 50. The supply roller 40 has a shaft 41 extending in the left-right direction, and the shaft cover 48 is fitted to both end portions of the shaft 41. The shaft cover 48 is rotatably supported by a support member 49 disposed at an upper end portion of the inner surface of the lid portion 21. Thereby, the supply roller 40 is arranged to be rotatable by the rotation shaft extending in the left-right direction. Further, one end (right end) of the supply roller 40 is coupled to the energizing portion 70 via a shaft cover 48. The take-up roll 50 has a shaft 51 extending in the left-right direction, and a shaft cover 58 is fitted to both ends of the shaft 51. The left and right shaft covers 58 are rotatably supported by the support member 59 and the gear unit 60 disposed at the lower end portion of the inner surface of the lid portion 21, respectively. Thereby, the take-up roll 50 is arrange|positioned by rotation of the rotation shaft extended by the left-right direction. Figure 4 is a plan view showing the pre-filter 6. The front screen 6 has both ends of the winding direction W, and has a bar 6a extending in the left-right direction and held by the supply roller 40 and the take-up roller 50. Further, the pre-filter 6 has a venting portion 6b that faces the suction port 3 when the cleaning device 30 is stopped, and a accommodating portion 6c that is sent from the supply roller 40 when the cleaning device 30 is driven. The accommodating portion 6c is provided with a pattern 6g that is distinguishable from the vent portion 6b and visible from the suction port 3. In the present embodiment, as the pattern 6g, the red character "sweeping" is used. Further, the pattern 6g is not particularly limited, and may be, for example, a stripe pattern of a different color from the vent portion 6b. FIG. 5 is a side cross-sectional view showing the supply roller 40. Further, since the configuration of the take-up roller 50 is the same as that of the supply roller 40, the supply roller 40 will be described as a representative. The shaft 41 forming the shaft portion of the supply roller 40 has a core material 41a and a sleeve 41d. The core material 41a is formed of a metal extruded product such as aluminum having a C-shaped cross section, and has a groove portion 41b extending in the axial direction on the circumferential surface. The groove portion 41b is inclined toward the inner wall surface 41c, and the width of the groove portion 41b in the circumferential direction is larger on the outer peripheral side than on the inner peripheral side. The circumferential surface of the rod 6a of the pre-filter 6 is supported by the inner wall surface 41c of the groove portion 41b. The sleeve 41d is formed of a resin molded article having a C-shaped cross section having an opening 41e extending in the axial direction, and is fitted to the core member 41a. The screen 6 is inserted into the opening 41e before the support of the rod 6a on the groove portion 41b. The width of the opening 41e of the sleeve 41d is smaller than the diameter of the rod 6a, and the rod 6a supported by the core member 41a is prevented from coming off. At this time, both ends of the sleeve 41d in the circumferential direction are pressed against the rod 6a by elasticity, and the rod 6a is elastically held by the groove portion 41b of the core member 41a and the sleeve 41d. When the opening 41e of the sleeve 41d is biased in the expanding direction (the horizontal direction in FIG. 5), the sleeve 41d is elastically deformed. The bar 6a of the pre-filter 6 can be attached to and detached from the shaft 41 via the expanded opening 41e. Similarly, the bar 6a of the lower end portion of the pre-filter 6 can be attached and detached to the shaft 51. Thereby, the pre-filter 6 can be easily detached from the cleaning device 30, and the pre-filter 6 can be replaced. In FIG. 3, the brush body 80 is disposed in the dust collecting portion 90 detachably attached to the lid portion 21. The brush body 80 has a shaft 81 that supports both end portions of the axial direction in the dust collecting portion 90, and rotates when the cleaning device 30 is driven as will be described later, and removes dust on the pre-filter screen 6. A spur gear 68 is disposed at one end (right end) of the shaft 81, and the bristle bundle 82 is spirally planted at a predetermined interval on the circumferential surface of the shaft 81. The dust collecting portion 90 has a lid portion 91, a container 92, and a comb portion 93, and is detachably disposed to the lid portion 21. The container 92 is formed of a transparent resin, and the upper surface is open and supports the brush body 80 at both sides. The lid portion 91 has an opening portion 91a that opens across the right and left ends to cover the upper surface of the container 92. The bristle bundle of the brush body 80 is exposed to the outside from the opening 91a. The comb portion 93 is formed to extend in the left-right direction, and the tooth tip is placed upward in the container 92. The bristle bundle 82 of the rotating brush body 80 abuts against the tooth tip of the comb portion 93. The dust adhering to the bristle bundle 82 is removed from the bristle bundle 82 by the comb portion 93. The dust removed from the pre-filter 6 by the brush body 80 from the pre-filter 6 is collected in the container 92 by the dust removed from the brush body 80 by the comb portion 93. At this time, since the container 92 is formed of a transparent resin, the user can easily grasp the amount of dust in the container 92. The drive motor 100 (see FIG. 2) is disposed in the main body portion 20 of the casing 2, and a rotation shaft (not shown) of the drive motor 100 projects rearward from the rear surface of the main body portion 20. Further, the pressing member 22 is disposed with a specific gap in front of the pre-filter screen 6. The pressing member 22 is detachably attached to the lid portion 21. The pressing member 22 has a rectangular frame 22a formed of a synthetic resin such as ABS. In the frame 22a, the rib 22b extending in the up-and-down direction and the rib 22c extending in the left-right direction and provided in the vertical direction (three in the present embodiment) are provided. Thereby, the pressing member 22 has a plurality of plural rows of windows. By the pressing member 22, the pre-filter 6 is stably disposed along the suction port 3, and the slack of the pre-filter 6 due to the suction airflow can be prevented. A magnet 23 is provided at a central portion of the right end portion of the frame 22a of the pressing member 22. A Hall element (not shown) is provided at a position facing the magnet 23 of the main body portion 20. The air cleaner 1 can determine whether or not the lid portion 21 is attached to the body portion 20 by the Hall element. Further, when the air cleaner 1 determines that the lid portion 21 is not attached to the main body portion 20, the operation of the blower 10 is prohibited. Thereby, the air blowing operation of the air cleaner 1 in a state where the lid portion 21 is not attached to the main body portion 20 is avoided. Further, the gear unit 60 and the energizing portion 70 are disposed at one end portion (right end portion) of the lid portion 21. Therefore, a space SP is formed between the gear unit 60 and the energizing portion 70 on the inner surface of the lid portion 21. A strip member 300 in which information on the operation of the air cleaner 1 is described is attached to the space SP. The above information includes information on a method of removing the pre-filter 6 from the cleaning device 30, and information on a method of operating the handle 73 of the energizing portion 70 to be described later. Thereby, the user can recognize the above information when the cover portion 21 is detached from the main body portion 20, and the method of removing the pre-filter 6 from the cleaning device 30 and the operation method of the handle 73 of the energizing portion 70 can be easily recognized. Therefore, the convenience of the air cleaner 1 can be improved. 6 is a perspective view showing the inside of the take-up roller 50, the dust collecting portion 90, and the gear unit 60 of the cleaning device 30. FIG. 7 is an enlarged perspective view showing the inside of the gear unit 60. The gear unit 60 has a bevel gear 61 (first cross shaft gear), a bevel gear 62 (second cross shaft gear), a spur gear 63 (first parallel shaft gear), and a spur gear 64 in the casing 60a (see FIG. 3). (2nd parallel shaft gear), internal gear 65, spur gear 66, and spur gear 67. The casing 60a is screwed to the lid portion 21 (see Fig. 3). The bevel gear 61 is disposed in the front-rear direction in the axial direction, and has a fitting hole 61a that is fitted to a rotation shaft (not shown) of the drive motor 100 (see FIG. 2) on the shaft. The bevel gear 62 is axially disposed in the left-right direction and meshes with the bevel gear 61. The spur gear 63 is integrally formed concentrically with the bevel gear 62. The shaft portion 63a of the spur gear 63 has a fitting hole (not shown) into which the convex portion 58a (see Fig. 3) of the shaft cover 58 is fitted. Thereby, the spur gear 63 and the bevel gear 62 are coupled to the take-up roller 50. The spur gear 64 is disposed below the spur gear 63 and meshes with the spur gear 63. The internal gear 65 is integrally provided with the spur gear 64. The spur gear 66 meshes with the internal gear 65. The spur gear 67 is integrally formed concentrically with the spur gear 66. A spur gear 68 provided at one end of the brush body 80 is meshed with the spur gear 67. The take-up roller 50 is rotated via the bevel gear 61 and the bevel gear 62 by the drive of the drive motor 100. Further, the brush body 80 is rotated by the rotation of the spur gear 63 integrated with the bevel gear 62 via the spur gear 64, the internal gear 65, the spur gear 66, the spur gear 67, and the spur gear 68. Since the spur gear 63 integrated with the bevel gear 62 meshes with the spur gear 64 coupled to the brush body 80, the brush body 80 disposed in parallel to the take-up roller 50 can be easily rotated. At this time, since the internal gear 65 integrated with the spur gear 64 is provided, the spur gear 68 on the rotating shaft of the brush body 80 can be disposed on the rotating shaft (the shaft portion 63a) of the spur gear 63 and the rotating shaft of the spur gear 64. between. Thereby, the brush body 80 slid on the pre-filter 6 on the take-up reel 50 can be easily disposed close to the take-up reel 50. Further, the bevel gears 61 and 62 may be any cross-shaft gears. Further, each of the spur gears may be a parallel shaft gear, and a helical gear or the like may be used. FIG. 8 is an exploded perspective view showing the energizing portion 70 of the cleaning device 30. The energizing portion 70 has a rotating body 71 (first rotating body) and a rotating body 72 (second rotating body) housed in the casings 78 and 79 that are screwed together. The nip portion 71a is protruded from one end surface of the self-rotating body 71 in the axial direction, and the groove portion 71b is provided at the other end surface. The locking portion 48a provided on the shaft cover 48 is fitted to the groove portion 71b. Thereby, the rotating body 71 locks the shaft portion of the supply roller 40, and the supply roller 40 is connected to the energizing portion 70. The rotating body 72 accommodates the spring 75 inside the side of the rotating body 71. One end (inner end) of the mainspring 75 is sandwiched by the sandwiching portion 71a of the rotating body 71, and the other end (outer end) is attached to the inner peripheral surface of the rotating body 72. When viewed from the right side (as viewed in the direction of the arrow A), when the rotating body 71 rotates clockwise with respect to the rotating body 72, the ability of the spring 75 is increased. That is, when the rotator 72 is rotated clockwise with respect to the rotator 71 as viewed in the direction of the arrow A, the ability of the spring 75 is reduced. A plurality of claws 72a are provided at specific intervals on the outer circumferential side (right side) of the rotating body 72. The stopper 77 is axially supported in the casing 78, and the stopper 77 is energized in the direction in which the rotating body 72 is pressed by the torsion coil spring 77a. Thereby, the rotating body 72 restricts the clockwise rotation of the spring 75 from being reduced in the direction of the arrow A by the engagement of the stopper 77 with the claw 72a. An opening 78a is formed in the right side surface of the casing 78, and a cylindrical handle 73 is disposed to cover the opening 78a. A rim portion 73a having a larger diameter than the opening portion 78a is disposed in the casing 78. The shank portion 73 and the rim portion 73a have a specific gap in the axial direction with respect to the outer wall of the casing 78 via the opening portion 78a and are screwed. Thereby, the rotary handle 73 is rotatably mounted to the housing 78. In the casing 78, a coupling member 74 is disposed on the inner side (left side) of the axial direction of the rim portion 73a. A compression spring 76 is disposed between the rotating body 72 and the coupling member 74, and the coupling member 74 energizes the outer side (right side) in the axial direction. A plurality of notch portions 74c are formed at a predetermined interval on the circumferential surface of the coupling member 74. A plurality of ribs 72c extending radially from the notch portion 74c are formed at the outer end portion of the rotary body 72 in the axial direction. Thereby, the coupling member 74 rotates integrally with the rotating body 72. The connecting member 74 is formed to have a larger diameter than the rim portion 73a and the opening portion 78a. A plurality of inclined portions 74a and a plurality of rib portions 74b are provided at specific intervals on the outer surface (right side) of the connecting member 74 in the axial direction. The inclined portion 74a is formed to be gradually increased counterclockwise as viewed in the direction of the arrow A. The rib 74b is adjacent to the top of the inclined portion 74a and extends radially so as to be formed higher than the top. Further, a plurality of rib portions 73b extending radially from the rib portion 74b are provided on the inner surface (left side surface) of the rim portion 73a. A projection (not shown) that is engaged with the rib 74b is provided on the inner wall surface of the housing 78. When the rotating handle 73 is rotated clockwise from the direction of the arrow A, the rib 74b is engaged with the rib 73b and is engaged with the protruding portion of the housing 78. Thereby, the rotation of the rotary handle 73 is restricted. On the other hand, when the rotating handle 73 is rotated counterclockwise as viewed from the direction of the arrow A, the rib 73b slides on the inclined portion 74a. Therefore, the coupling member 74 opposes the ability of the compression spring 76 to move inward in the axial direction, and the rib 74b is axially displaced from the projection of the housing 78. Thereby, the rotating handle 73 can be rotated, the rib 74b can be engaged with the rib 73b, and the rotating body 72 can rotate in the direction which enlarges the ability of the spring 75. That is, the rotary body 72 is rotationally operated by the rotary handle 73. In the air cleaner 1 configured as described above, when the operation is started by the operation of the operation unit 19, it is determined whether or not the lid portion 21 is attached to the main body portion 20. When it is judged that the lid portion 21 is attached to the main body portion 20, the blower 10 and the ion generating device 11 are driven. Thereby, the air in the living room is taken in from the suction port 3 and circulated through the air passage 8. At this time, the large dust in the air is collected by the pre-filter 6. Further, the air is deodorized by the deodorizing filter 7, and fine dust such as fine dust or PM2.5 in the air is collected by the dust collecting screen 9. Further, ions generated by the ion generating device 11 are contained in the air. The air containing ions is blown out from the air outlets 4, 5 or both. Thereby, the air blowing operation of the air cleaner 1 is performed, and the air in the living room is cleaned. Next, the operation of the cleaning device 30 will be described. When the specific time has elapsed, the cleaning device 30 is driven to start the cleaning operation by the cleaning device 30. The cleaning operation starts, for example, when the cumulative operation time in the specific period of the air cleaner 1 exceeds a certain time. When the cleaning device 30 is driven, the blower 10 is stopped. When the cleaning device 30 is driven, the drive motor 100 rotates, and the bevel gear 61 (see FIGS. 6 and 7) rotates counterclockwise from the front. The bevel gear 62 and the spur gear 63 are rotated clockwise as viewed from the right side (as viewed in the direction of the arrow A). Thereby, the take-up roller 50 rotates clockwise as viewed from the right side, and is pulled out from the supply roller 40 and winds up the pre-filter 6. The spur gear 64, the internal gear 65, the spur gear 66, and the spur gear 67 rotate counterclockwise as viewed from the right side, and the spur gear 68 rotates clockwise from the right side. Thereby, the brush body 80 rotates clockwise from the right side. At this time, the bristle bundle 82 of the brush body 80 slides on the pre-filter 6 on the take-up reel 50. Thereby, the dust on the pre-filter 6 is removed, and the dust is collected in the container 92. At this time, the rotation direction of the take-up roller 50 and the rotation direction of the brush body 80 become the same direction. Therefore, the bristle bundle 82 of the brush body 80 slides on the pre-filter screen 6 from the direction opposite to the traveling direction of the pre-filter screen 6. Therefore, the brush body 80 can surely remove the dust on the pre-filter 6. Further, it is preferable that the peripheral speed of the brush body 80 is larger than the peripheral speed of the winding roller 50. Thereby, the circumferential contact length of the bristle bundles 82 on the pre-filter 6 can be made longer than the contact period of the bristle bundles 82, and the bristle bundles 82 can be brought into contact with the pre-filter 6 without any gaps. The bristle bundle 82 on the rotating shaft 81 is brushed by the comb portion 93, so that the dust adhering to the bristle bundle 82 falls into the container 92. When the pre-filter 6 is taken up by the take-up reel 50, the rotating body 71 (see FIG. 8) of the energizing portion 70 connected to the supply roller 40 is rotated clockwise as viewed from the right side (as viewed in the direction of the arrow A). Thereby, the spring 75 is rolled up, and the ability of the spring 75 is increased. At this time, the pattern 6g (see FIG. 4) on the accommodating portion 6c of the pre-filter 6 moves downward and is visually recognized through the suction port 3. Thereby, the user can easily recognize that the cleaning device 30 is being driven. Therefore, it is possible to prevent the user from mistakenly thinking that the blower 10 is stopped due to a malfunction. In addition, the blower 10 can also be operated at a low speed when the cleaning device 30 is driven. If the amount of rotation of the drive motor 100 reaches a certain value, the drive motor 100 is reversed. Thereby, the bevel gear 61 rotates in the opposite direction (clockwise direction in this embodiment) in the case of winding. At this time, the take-up roller 50 and the brush body 80 are rotated counterclockwise as viewed from the right side. When the winding of the pre-filter 6 is completed by the take-up roller 50, the ability of the spring 75 is made larger than before the winding. Therefore, when the drive motor 100 is reversed, the rotator 71 is rotated counterclockwise from the right side by the restoring force of the spring 75. Thereby, the pre-filter 6 is wound around the supply roller 40. If the amount of rotation of the drive motor 100 reaches a certain value, the drive motor 100 is stopped. As a result, the cleaning operation by the cleaning device 30 is completed. Alternatively, a sensor that detects the outer diameter of the take-up roll 50 may be provided. Thereby, it is detected that the outer diameter of the take-up roller 50 in which the pre-filter 6 is wound up has been larger than the specific outer diameter, and the drive motor 100 is reversed. Further, it can be detected that the outer diameter of the take-up roller 50 has been smaller than a specific outer diameter, and the drive motor 100 is stopped. After the cleaning operation by the cleaning device 30 is completed, the user can detach the dust collecting portion 90 from the lid portion 21 and discard the dust collected in the container 92. Further, the supply roller 40 to which the front filter 6 is attached with one end of the pre-filter 6 is attached to the lid portion 21. Further, the lower end of the pre-filter 6 is attached to the take-up roller 50. At this time, there is a case where the screen 6 is loosened between the supply roller 40 and the take-up roller 50. At this time, when the user rotates the knob 73 of the energizing portion 70 counterclockwise as viewed from the right side (viewed from the direction of the arrow A), the rotating bodies 71 and 72 rotate counterclockwise from the right side. Thereby, the pre-filter 6 is taken up by the supply roller 40, and the slack of the pre-filter 6 can be eliminated. Therefore, the air taken in from the suction port 3 when the blower 10 is driven can surely pass through the pre-filter 6. According to the present embodiment, the energizing portion 70 of the cleaning device 30 has the mainspring 75 which rotates the rotation axis of the supply roller 40 in the opposite direction to the winding direction when the take-up reel 50 is taken up by the take-up reel 50 Empowerment. Thereby, when the winding of the winding roller 50 is completed and the drive motor 100 is reversed, the pre-filter 6 is wound around the supply roller 40 by the restoring force of the spring 75. Therefore, it is not necessary to provide a motor for rotating the supply roller 40 in the opposite direction to the winding direction W of the take-up roller 50 in addition to the drive motor 100. As a result, the manufacturing cost of the air cleaner 1 can be reduced. Further, since the mainspring 75 is used, the pre-filter 6 can be wound up on the take-up reel 50 at a long distance while being energized. Thereby, the design freedom of the size of the pre-filter 6 can be improved. Further, the energizing unit 70 includes a rotating body 71 (first rotating body) that locks the shaft portion of the supply roller 40 and mounts one end of the spring 75; the rotating body 72 (second rotating body) that mounts the spring The other end of the 75, and restricting the rotation in the direction in which the ability of the spring 75 is reduced; and the handle 73, which rotates the rotary body 72. Thereby, when the supply roller 40 is attached to the lid portion 21 and the rotary handle 73 is operated, the pre-filter screen 6 is wound in the opposite direction to the winding direction W. Therefore, the slack of the pre-filter 6 can be reduced, and the dust-containing air can surely pass through the pre-filter 6. Further, the energizing portion 70 includes a coupling member 74 that is disposed between the shank 73 and the rotator 72 and that restricts rotation of the shank 73 in a direction in which the ability of the spring 75 is reduced, and the coupling member 74 and the rotation The body 72 rotates integrally. Thereby, it is possible to surely prevent the rotating body 72 from rotating in the direction in which the ability of the spring 75 is reduced. Further, the shaft 41 of the supply roller 40 includes a core member 41a having a groove portion 41b, and a sleeve 41d formed of an elastic body having a C-shaped cross section that is externally fitted to the core member 41a, and has a sleeve 41d and a groove portion. 41b elastically holds the bar 6a of the pre-filter 6. Thereby, when the opening 41e of the sleeve 41d is expanded, the rod 6a can be easily detached from the shaft 41. Further, the rod 6a can be prevented from coming off the shaft 41 by the sleeve 41d. The same applies to the take-up roll 50. Further, the core material 41a of the supply roller 40 is made of metal, and the sleeve 41d is made of a resin molded article. The same applies to the take-up roll 50. Thereby, the strength of the shafts 41, 51 can be sufficiently ensured, and the rods 6a can be easily attached and detached to the shafts 41, 51. Further, the drive motor 100 is disposed in the main body portion 20 of the casing 2, and the supply roller 40 and the take-up roller 50 are disposed on the lid portion 21. Thereby, the lid portion 21 can be easily removed from the body portion 20 and the pre-filter screen 6 can be replaced. Further, the air cleaner 1 is provided with the cleaning device 30, but the front filter 6 is clogged depending on the installation location of the air cleaner 1 (for example, a place where there is a lot of oil in the kitchen). At this time, the front filter 6 can also be easily removed and carefully cleaned. Further, the brush body 80 is coupled to the drive motor 100 that rotationally drives the take-up roll 50, and rotates when the take-up roll 50 rotates and slides on the front filter 6 (screen) on the take-up roll 50. Thereby, it is not necessary to separately provide a brush body motor of the prior art in which the brush body 80 is rotated in addition to the drive motor 100. Therefore, the manufacturing cost of the air cleaner 1 can be further reduced. Further, the direction of rotation of the take-up roller 50 is the same as the direction of rotation of the brush body 80. Thereby, the brush body 80 slides on the pre-filter 6 from the opposite direction to the traveling direction of the pre-filter 6. Therefore, the brush body 80 can surely remove the dust on the pre-filter 6. Further, it is preferable that the peripheral speed of the brush body 80 is larger than the peripheral speed of the winding roller 50. Thereby, the contact length of the circumferential direction of the bristle bundles 82 on the pre-filter 6 can be made longer than the contact period of the bristle bundles 82, so that the bristle bundles 82 can be brought into contact with the pre-filter 6 without any gap. Therefore, the dust on the pre-filter 6 can be more surely removed. Further, the bevel gear 61 (first cross shaft gear) has a fitting hole 61a fitted to a rotating shaft of the drive motor 100, and a bevel gear 62 (second cross shaft gear) that meshes with the bevel gear 61; A spur gear 63 (first parallel shaft gear) that rotates integrally with the bevel gear 62 and is coupled to the take-up roller 50; and a spur gear 64 (second parallel shaft gear) that meshes with the spur gear 63 and is coupled to the brush body 80. . Thereby, the rotation of the take-up roller 50 and the brush body 80 can be easily realized by one drive motor 100. Further, since the spur gear 63 coupled to the take-up reel 50 is disposed closer to the drive motor 100 than the spur gear 64 coupled to the brush body 80, the attenuation of the driving force transmitted to the take-up reel 50 can be suppressed. Thereby, it is possible to more reliably rotationally drive the take-up roller 50 energized by the energizing portion 70 via the pre-filter 6 by the drive motor 100 that opposes the ability. Further, between the brush body 80 and the spur gear 64, an internal gear 65 integrally provided with the spur gear 64 and a spur gear 66 (third parallel shaft gear) meshing with the internal gear 65 are provided, and the rotating shaft of the brush body 80 is provided. It is disposed between the rotating shaft of the spur gear 63 and the rotating shaft of the spur gear 64. Thereby, the brush body 80 slided on the pre-filter 6 on the take-up roll 50 can be easily disposed close to the take-up roll 50. Further, the pre-filter 6 has a venting portion 6b that faces the suction port 3 when the cleaning device 30 is stopped, and a accommodating portion 6c that is sent from the supply roller 40 when the cleaning device 30 is driven. Further, the accommodating portion 6c is provided with a pattern 6g that is distinguishable from the vent portion 6b and visible from the suction port 3. Thereby, it is easy to visually recognize the movement of the pre-filter 6, and the user can easily recognize the cleaning of the filter 6 by the cleaning device 30. Moreover, the blower 10 is stopped when the cleaning device 30 is driven. Thereby, it is possible to prevent the dust from being sucked in from the downstream side of the front filter 6 immediately after the dust is removed from the pre-filter 6. Further, the pattern 6g prevents the user from mistakenly thinking that the blower 10 is stopped due to a malfunction. <Second embodiment> Next, a second embodiment of the present invention will be described. Fig. 9 is a side view showing a supporting member of a lid portion of the air cleaner of the embodiment. For the sake of convenience of explanation, the same portions as those of the first embodiment shown in Figs. 1 to 8 will be denoted by the same reference numerals. In the present embodiment, the configuration of the support member 49 of the lid portion 21 is different from that of the first embodiment. The other parts are the same as in the first embodiment. The front end portion of the support member 49 (see FIG. 3) on the right side of the supply roller 40 of the lid portion 21 is provided in a resin-made rotary plate 400 that is rotated in the vertical direction. The shaft portion 401 of the rotary plate 400 is disposed rearward from the center of the front and rear directions of the rotary plate 400. Thereby, as shown in FIG. 9, when the supply roller 40 is not attached to the support member 49, the front end portion of the rotary plate 400 protrudes more forward than the support member 49. Therefore, when the supply roller 40 is not attached to the lid portion 21, and the lid portion 21 is to be attached to the main body portion 21, the front end portion of the rotary plate 400 interferes with the main body portion 20. Therefore, it is easy to prevent the supply roller 40 from being attached to the lid portion 21. On the other hand, as shown in FIG. 10, when the supply roller 40 is attached to the support member 49, the supply roller 40 collides with the rear end portion of the rotary plate 400, and the rotary plate 400 is rotated upward. Thereby, the front end portion of the rotary plate 400 is retracted to the rear, and the interference between the rotary plate 400 and the main body portion 20 when the cover portion 21 is attached to the main body portion 20 is prevented. Further, in the present embodiment, the same effects as those in the first embodiment can be obtained. <Third Embodiment> Next, a third embodiment of the present invention will be described. Fig. 11 is a side view showing a supporting member of a lid portion of the air cleaner of the embodiment. For the sake of convenience of explanation, the same portions as those of the first embodiment shown in Figs. 1 to 8 will be denoted by the same reference numerals. In the present embodiment, the configuration of the support member 49 of the lid portion 21 is different from that of the first embodiment. The other parts are the same as in the first embodiment. The support member 49 has a fixing portion 49a and a moving portion 49b. A spring 49c is provided at an end portion of the moving portion 49b, and one end of the spring 49c is attached to the front surface of the lid portion 21. At this time, in a state where the spring 49c is extended, the front end portion of the moving portion 49b is configured to protrude further from the front portion than the fixing portion 49a. Thereby, as shown in FIG. 11, when the supply roller 40 is not attached to the support member 49, the front end part of the moving part 49b protrudes further than the support member 49a. Therefore, when the supply roller 40 is not attached to the lid portion 21, and the lid portion 21 is to be attached to the main body portion 21, the front end portion of the moving portion 49b interferes with the main body portion 20. Therefore, it is easy to prevent the supply roller 40 from being attached to the lid portion 21. On the other hand, as shown in FIG. 12, when the supply roller 40 is attached to the support member 49, the supply roller 40 which abuts on the fixing portion 49a moves the moving portion 49b rearward. Thereby, the front end portion of the moving portion 49b is retracted to the rear, and the interference between the moving portion 49b and the main body portion 20 when the lid portion 21 is attached to the main body portion 20 is prevented. Also in this embodiment, the same effects as those of the first embodiment can be obtained. Further, in the second embodiment and the third embodiment, an optical chopper (not shown) may be provided instead of the magnet 23 and the Hall element of the first embodiment. The optical chopper has a light-emitting portion and a light-receiving portion that face each other. When the light-receiving unit detects that the light from the light-emitting portion toward the light-receiving portion is blocked by the rotating plate 400 of the second embodiment that protrudes further from the support member 49 or the moving portion 49b of the third embodiment, the blower 10 is prohibited. drive. Thereby, it is possible to prevent the air blowing operation of the air cleaner 1 in a state where the lid portion 21 is not attached to the main body portion 20. <Fourth embodiment> Next, a fourth embodiment of the present invention will be described. Fig. 13 is a plan view showing the filter screen of the air cleaner of the embodiment. For the sake of convenience of explanation, the same portions as those of the first embodiment shown in Figs. 1 to 8 will be denoted by the same reference numerals. In the present embodiment, the configuration of the pre-filter 6 is different from that of the first embodiment. The other parts are the same as in the first embodiment. The sheet-shaped pre-filters 6 are arranged in the winding direction W to form the first to fourth regions A1 to A4. The first region A1 is a region having a low mesh density, the second region A2 is a region having a high mesh density, the third region A3 is a region where activated carbon adheres to the mesh, and the fourth region A4 is attached to the mesh. An area with a fragrance. Further, the air cleaner 1 has a dust sensor (not shown) and an odor sensor (not shown). A dust sensor detects the concentration of dust in the air in the room. The odor sensor detects the concentration of the odor component in the air in the room. In the air cleaner 1 configured as described above, for example, when it is determined that the dust concentration in the air is low based on the detection result of the dust sensor, the drive motor 100 is driven, and the take-up roller 50 is rotated to face the first region A1 toward the suction port. 3 configuration. Thereby, the air blowing efficiency of the air cleaner 1 can be improved. Further, for example, when it is determined that the dust concentration in the air is high based on the detection result of the dust sensor, the drive motor 100 is driven, and the take-up roller 50 is rotated to arrange the second region A2 toward the suction port 3. Further, the area facing the suction port 3 can be defined based on the length of the winding direction W of the first region A1 to the fourth region A4 and the amount of rotation of the drive motor 100. When it is determined from the detection result of the odor sensor that the concentration of the odor component in the air is high, the drive motor 100 is driven, the take-up roller 50 is rotated, and the third region A3 or the fourth region A4 is disposed facing the suction port 3. . As described above, since the area in which the screen 6 is placed in front of the air in the room is disposed facing the suction port 3, the usability of the air cleaner 1 can be improved. Also in this embodiment, the same effects as those of the first embodiment can be obtained. Further, the pre-filters 6 are arranged in the winding direction W to form the first to fourth regions A1 to A4. Thereby, since the area in which the screen 6 is placed before the air in the room is disposed facing the suction port 3, the usability of the air cleaner 1 can be improved. Further, the user can select the first area A1 to the fourth area A4 by operating the operation unit 19. <Fifth Embodiment> Next, a fifth embodiment of the present invention will be described. Fig. 14 is a perspective view showing a pressing member of the filter before the air cleaner of the embodiment. For the sake of convenience of explanation, the same portions as those of the first embodiment shown in Figs. 1 to 8 will be denoted by the same reference numerals. In the present embodiment, the configuration of the pressing member 22 is different from that of the first embodiment. The other parts are the same as in the first embodiment. The pressing member 22 of the present embodiment has only the rib 22b extending in the winding direction W of the front screen 6 (in the vertical direction in the present embodiment), and does not have a direction orthogonal to the winding direction W (this embodiment) A rib extending in the form of a left-right direction. Thereby, it is possible to prevent the ribs extending in the direction orthogonal to the winding direction W from sliding on the pre-filter 6 to cause the dust to fall. Further, in the present embodiment, the same effects as those in the first embodiment can be obtained. In the first embodiment to the fifth embodiment, the supply roller 40 and the take-up roller 50 are disposed on the lid portion 21, but may be disposed in the main body portion 20 instead. In the cleaning operation of the air cleaner 1 of the first embodiment to the fifth embodiment, the winding speed of the take-up roller 50 and the rewinding speed to the supply roller 40 may be the same or different. For example, if the take-up speed of the take-up roll 50 is made smaller than the take-up speed to the supply roll 40, the dust on the pre-filter 6 can be removed, the rewinding speed can be increased, and the cleaning operation time can be shortened. The present invention can be utilized in an air cleaner having a cleaning device for cleaning a filter screen. The present application is based on Japanese Patent Application No. 2016-178017, filed on Sep. 12, 2016, the content of which is hereby incorporated by reference.