JP2008099811A - Vacuum cleaner - Google Patents

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JP2008099811A
JP2008099811A JP2006283948A JP2006283948A JP2008099811A JP 2008099811 A JP2008099811 A JP 2008099811A JP 2006283948 A JP2006283948 A JP 2006283948A JP 2006283948 A JP2006283948 A JP 2006283948A JP 2008099811 A JP2008099811 A JP 2008099811A
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dust collecting
dust
air passage
electric blower
main
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JP4818064B2 (en
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Atsushi Morishita
篤至 森下
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Toshiba Corp
Toshiba Consumer Marketing Corp
Toshiba Lifestyle Products and Services Corp
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Toshiba Corp
Toshiba Consumer Marketing Corp
Toshiba Home Appliances Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner wherein the decline of suction force with time is suppressed. <P>SOLUTION: By selecting a cleaning state of communicating between a main dust collecting chamber 21 and the upstream side of a motor-driven blower 5 by a switch valve 48, shutting off the communication of the main dust collecting chamber 21 and a sub dust collecting chamber 22 by a stop valve 41, opening the upstream side of the main dust collecting chamber 21 by a communication pipe valve 31, shutting off a circulation air path 52 by an exhaust switch valve 56 and communicating an exhaust air path 55 with the exhaust side of the motor-driven blower 5 by a switching mechanism 58, dust is collected in the main dust collecting chamber 21. By selecting a circulation state of communicating the sub dust collecting chamber 22 and the upstream side of the motor-driven blower 5 by the switch valve 48, communicating the main dust collecting chamber 21 and the sub dust collecting chamber 22 by the stop valve 41, closing the upstream side of the main dust collecting chamber 21 by the communication pipe valve 31, canceling the shutoff of the circulation air path 52 by the exhaust switch valve 56 and shutting off the exhaust air path 55 by the switching mechanism 58, the dust collected in the main dust collecting chamber 21 can be moved to the sub dust collecting chamber 22, and the decline of the suction force with time is suppressed. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、フィルタを有し、電動送風機の駆動により吸い込んだ塵埃を捕集可能な電気掃除機に関する。   The present invention relates to a vacuum cleaner having a filter and capable of collecting dust sucked by driving an electric blower.

従来、この種の電気掃除機は、電動送風機を収容した掃除機本体を備えている。この掃除機本体の前側には、電動送風機の吸込側に連通する集塵部が設けられ、この集塵部の前部には、本体吸込口が開口形成され、この本体吸込口には、ホース体、延長管および床ブラシが順次連通接続される。そして、集塵部内には、電動送風機の駆動により本体吸込口から吸い込んだ塵埃を捕集する、例えばサイクロン分離式の集塵装置である略有底円筒状の集塵カップが着脱可能に設けられている。この集塵カップは、内部にフィルタが取り付けられ、比較的大きな塵埃である粗塵をサイクロン分離した吸込風がフィルタを通過する際に、この吸込風に含まれる微細な塵埃である細塵が、このフィルタにより捕集される(例えば、特許文献1参照。)。
特開2003−265376号公報(第3−5頁、図1)
Conventionally, this type of vacuum cleaner includes a vacuum cleaner body that houses an electric blower. A dust collecting part communicating with the suction side of the electric blower is provided on the front side of the vacuum cleaner body, and a main body suction port is formed in the front part of the dust collection part. A hose is provided in the main body suction port. The body, the extension pipe and the floor brush are sequentially connected to each other. And, in the dust collecting part, a substantially bottomed cylindrical dust collecting cup that is a cyclone separation type dust collecting device that collects dust sucked from the main body suction port by driving of the electric blower is detachably provided. ing. This dust collection cup has a filter attached inside, and when the suction air obtained by cyclone separating coarse dust, which is relatively large dust, passes through the filter, fine dust, which is fine dust contained in the suction air, It is collected by this filter (for example, refer to Patent Document 1).
JP 2003-265376 A (page 3-5, FIG. 1)

しかしながら、上述の電気掃除機では、経時的にフィルタに目詰まりが生じ、このようにフィルタが目詰まりすると、電動送風機による吸込力が低下するという問題点を有している。   However, the above-described electric vacuum cleaner has a problem that the filter is clogged with time, and the suction force of the electric blower is reduced when the filter is clogged in this way.

このため、フィルタを定期的に手入れして、このフィルタに付着した細塵を頻繁に除去しなければならず、また、除去した細塵は、集塵カップの外部へと排気しないと再度フィルタに付着してしまうため、メンテナンス性も良好でない。   For this reason, it is necessary to periodically clean the filter and frequently remove fine dust adhering to the filter. Since it adheres, the maintainability is not good.

本発明は、このような点に鑑みなされたもので、経時的な吸込力の低下を抑制した電気掃除機を提供することを目的とする。   This invention is made | formed in view of such a point, and it aims at providing the vacuum cleaner which suppressed the fall of the suction force with time.

本発明は、フィルタを有し、電動送風機の駆動により本体吸込口から吸い込んだ塵埃を捕集可能な第1集塵部と、この第1集塵部に連通接続された第2集塵部と、電動送風機の排気側と第1集塵部とを連通する循環風路と、第1集塵部と電動送風機の上流側とを連通し、第1集塵部と第2集塵部との連通を遮断し、第1集塵部の上流側を開放するとともに第1集塵部と循環風路との連通を遮断する第1状態と、第2集塵部と電動送風機の上流側とを連通し、第1集塵部と第2集塵部との連通の遮断を解除し、第1集塵部の上流側を閉塞するとともに第1集塵部と循環風路との連通の遮断を解除する第2状態とを切り換え可能な切換機構とを具備したものである。   The present invention includes a first dust collecting unit having a filter and capable of collecting dust sucked from a main body suction port by driving of an electric blower, and a second dust collecting unit connected to the first dust collecting unit. The circulation air passage communicating the exhaust side of the electric blower and the first dust collecting part, the first dust collecting part and the upstream side of the electric blower communicated, and the first dust collecting part and the second dust collecting part A first state in which the communication is blocked, the upstream side of the first dust collecting unit is opened and the communication between the first dust collecting unit and the circulation air passage is blocked, and the second dust collecting unit and the upstream side of the electric blower. Communicating, releasing the blocking of the communication between the first dust collecting part and the second dust collecting part, closing the upstream side of the first dust collecting part and blocking the communication between the first dust collecting part and the circulation air passage And a switching mechanism capable of switching between the second state to be released.

本発明によれば、第1集塵部と電動送風機の上流側とを連通させて、切換機構が第1集塵部と第2集塵部との連通を遮断し、第1集塵部の上流側を開放するとともに第1集塵部と循環風路との連通を遮断する第1状態を切換機構により選択することで、第1集塵部に塵埃を捕集し、第2集塵部と電動送風機の上流側とを連通させ、第1集塵部と第2集塵部とを連通させ、かつ、第1集塵部の上流側を閉塞するとともにこの第1集塵部と循環風路との連通の遮断を解除する第2状態を切換機構により選択することで、第1集塵部に捕集した塵埃を電動送風機から循環させた排気によって第2集塵部へと移動させることが可能となるので、経時的な吸込力の低下を抑制できる。   According to the present invention, the first dust collection unit and the upstream side of the electric blower are communicated, and the switching mechanism blocks communication between the first dust collection unit and the second dust collection unit. By selecting a first state in which the upstream side is opened and the communication between the first dust collecting part and the circulation air passage is blocked by the switching mechanism, dust is collected in the first dust collecting part, and the second dust collecting part is collected. And the upstream side of the electric blower, the first dust collecting part and the second dust collecting part are communicated, and the upstream side of the first dust collecting part is closed and the first dust collecting part and the circulating air are connected. By selecting the second state for releasing the disconnection of the communication with the road by the switching mechanism, the dust collected in the first dust collector is moved to the second dust collector by the exhaust air circulated from the electric blower. Therefore, it is possible to suppress a decrease in suction force over time.

以下、本発明の一実施の形態の電気掃除機の構成を図1ないし図3を参照して説明する。   Hereinafter, the structure of the vacuum cleaner of one embodiment of the present invention will be described with reference to FIGS. 1 to 3.

図3において、1は掃除機本体であり、この掃除機本体1は床面を走行可能な、いわゆるキャニスタ型の電気掃除機である。この掃除機本体1は、上側が後方から前方へと下側に傾斜して開放された下ケース2と、この下ケース2の上部を覆う蓋体3とを有する本体ケース4を備え、この本体ケース4内には、電動送風機5が後側に、蓋体3により上部が開閉される集塵部としての集塵ユニット7(図1)が前側にそれぞれ配設されているとともに、電動送風機5の動作などを制御する制御手段8が配設されている。   In FIG. 3, 1 is a vacuum cleaner main body, and this vacuum cleaner main body 1 is a so-called canister type electric vacuum cleaner capable of traveling on the floor surface. The vacuum cleaner main body 1 includes a main body case 4 having a lower case 2 whose upper side is opened to be inclined downward from the rear to the front, and a lid 3 that covers an upper portion of the lower case 2. In the case 4, an electric blower 5 is disposed on the rear side, and a dust collection unit 7 (FIG. 1) as a dust collection portion whose upper part is opened and closed by the lid 3 is disposed on the front side. A control means 8 is provided for controlling the operation and the like.

そして、本体ケース4の前端部には、集塵ユニット7を介して電動送風機5の吸込側に連通可能な本体吸込口11が開口形成され、この本体吸込口11には、ホース体12が着脱可能に設けられ、このホース体12の先端部に、手元操作部13が設けられ、この手元操作部13には、作業者が把持する把持部14が突設され、この把持部14には、作業者により電動送風機5の動作モードなどを設定する設定ボタン15が複数設けられている。そして、手元操作部13の先端部には、延長管16と吸込口体としての床ブラシ17とが順次連通接続される。   A main body suction port 11 that can communicate with the suction side of the electric blower 5 through the dust collecting unit 7 is formed at the front end of the main body case 4. A hose body 12 is attached to and detached from the main body suction port 11. A hand operating part 13 is provided at the tip of the hose body 12, and a gripping part 14 is provided on the hand operating part 13 to be gripped by an operator. A plurality of setting buttons 15 for setting an operation mode and the like of the electric blower 5 are provided by an operator. The extension pipe 16 and a floor brush 17 as a suction port body are sequentially connected to the distal end portion of the hand operation unit 13 in communication.

さらに、本体ケース4内には、電動送風機5に給電するための図示しない電源コードを巻回したコードリールが配設され、電源コードを本体ケース4に対して出し入れ可能となっている。   Further, a cord reel around which a power cord (not shown) for supplying power to the electric blower 5 is wound is disposed in the main body case 4 so that the power cord can be taken in and out of the main body case 4.

電動送風機5は、吸込側を前側とし、排気側を後側として掃除機本体1の左右方向の略中心位置に配設されている。また、この電動送風機5は、設定ボタン15により制御手段8に設定された動作モードに応じて動作される。   The electric blower 5 is disposed at a substantially central position in the left-right direction of the cleaner body 1 with the suction side as the front side and the exhaust side as the rear side. The electric blower 5 is operated according to the operation mode set in the control means 8 by the setting button 15.

そして、集塵ユニット7は、図1および図2に示すように、第1集塵部としての主集塵室21を例えば上側に、第2集塵部としての副集塵室22を例えば下側に備え、これら主集塵室21と副集塵室22とは、連通路26により連通接続されている。また、集塵ユニット7の下流側は、吸込風路28を介して電動送風機5の吸込側に連通接続されている。   As shown in FIGS. 1 and 2, the dust collection unit 7 has, for example, the main dust collection chamber 21 as the first dust collection unit on the upper side and the sub dust collection chamber 22 as the second dust collection unit on the lower side, for example. The main dust collection chamber 21 and the sub dust collection chamber 22 are connected to each other through a communication path 26. Further, the downstream side of the dust collection unit 7 is connected in communication with the suction side of the electric blower 5 via the suction air passage 28.

主集塵室21は、電気掃除機の掃除の際にメインで用いるもので、本体吸込口11の下流側に連通接続され、この本体吸込口11の中心軸上に沿って配設され、電動送風機5の駆動により吸い込まれた塵埃を、例えば遠心分離などにより空気から分離する、いわゆるサイクロン式の集塵部である。また、この主集塵室21の上流側の外部には、主集塵室21と本体吸込口11との連通を遮断可能な上流側弁体としての連通管弁31が配設されている。さらに、主集塵室21内には、吸込風路28との連通部である排気側にフィルタとしてのプリーツフィルタ33が配設されている。   The main dust collection chamber 21 is used mainly when cleaning the electric vacuum cleaner, and is connected to the downstream side of the main body suction port 11 and is disposed along the central axis of the main body suction port 11, This is a so-called cyclone type dust collecting unit that separates dust sucked by driving of the blower 5 from the air, for example, by centrifugation. Further, a communication pipe valve 31 as an upstream valve body capable of blocking communication between the main dust collection chamber 21 and the main body suction port 11 is disposed outside the upstream side of the main dust collection chamber 21. Further, a pleated filter 33 as a filter is disposed in the main dust collection chamber 21 on the exhaust side, which is a communication portion with the suction air passage 28.

連通管弁31は、制御手段8によりその開閉動作が制御される。   The open / close operation of the communication pipe valve 31 is controlled by the control means 8.

プリーツフィルタ33は、比較的大きい塵埃である粗塵を通過させずに主集塵室21内に溜めるとともに、通過する空気に含まれる微細な塵埃である細塵を付着させて捕集するもので、上下方向に沿うプリーツ形状が掃除機本体1の左右方向全体に亘って形成されている。また、このプリーツフィルタ33の下流側には、このプリーツフィルタ33に付着した塵埃を除去して主集塵室21内へと落下させる除塵機構としての塵落とし体34が取り付けられている。   The pleated filter 33 accumulates in the main dust collection chamber 21 without passing coarse dust, which is relatively large dust, and attaches and collects fine dust, which is fine dust contained in the passing air. A pleated shape along the vertical direction is formed over the entire horizontal direction of the cleaner body 1. Further, a dust drop body 34 as a dust removing mechanism that removes dust adhering to the pleat filter 33 and drops it into the main dust collecting chamber 21 is attached to the downstream side of the pleat filter 33.

この塵落とし体34は、プリーツフィルタ33の下流側のプリーツ部に先端部が嵌合した状態で掃除機本体1の左右方向に移動可能に設けられ、この移動により、先端部がプリーツ部の山部を繰り返し乗り越えることで、プリーツフィルタ33に振動を与えて、このプリーツフィルタ33に付着した塵埃を落とすものである。   The dust drop body 34 is provided so as to be movable in the left-right direction of the cleaner body 1 with the tip part fitted to the pleat part on the downstream side of the pleat filter 33, and by this movement, the tip part is a peak of the pleat part. By repeatedly going over the section, vibration is given to the pleated filter 33, and dust attached to the pleated filter 33 is dropped.

なお、この塵落とし体34は、例えば電動送風機5のオンオフ時などの任意のタイミングで、制御手段8(図3)などにより自動的に動作されるように構成したり、作業者が手動で動作させたりすることが可能である。   The dust drop body 34 is configured to be automatically operated by the control means 8 (FIG. 3) or the like at an arbitrary timing such as when the electric blower 5 is turned on or off, or manually operated by an operator. It is possible to make it.

副集塵室22は、主集塵室21に捕集された塵埃を移動させて溜める補助的な集塵部で、内部に使い捨ての集塵袋としての紙パック37が着脱可能に収容されているとともに、この紙パック37の外部で吸込風路28との連通部である排気側に、紙パック37よりも目が細かいフィルタ38が配設されている。   The auxiliary dust collection chamber 22 is an auxiliary dust collection unit that moves and collects the dust collected in the main dust collection chamber 21, and a paper pack 37 as a disposable dust collection bag is detachably accommodated therein. In addition, a filter 38 having a finer mesh than the paper pack 37 is disposed outside the paper pack 37 on the exhaust side, which is a communicating portion with the suction air passage 28.

紙パック37は、連通路26の下端部に取り付けられた口板37aと、この口板37aに一体的に設けられた袋状のフィルタ部37bとを有している。口板37aには、図示しない開口が形成されて連通路26とフィルタ部37b内とを連通するように構成されている。また、フィルタ部37bは、未使用状態で折り畳まれ、使用により副集塵室22内全体に膨らむように構成されている。   The paper pack 37 includes a mouth plate 37a attached to the lower end portion of the communication path 26, and a bag-like filter portion 37b provided integrally with the mouth plate 37a. An opening (not shown) is formed in the mouth plate 37a so that the communication path 26 and the filter portion 37b communicate with each other. Further, the filter part 37b is configured to be folded in an unused state and to swell throughout the sub dust collection chamber 22 when used.

連通路26は、主集塵室21のプリーツフィルタ33の上流側と副集塵室22のフィルタ38の上流側とを連通する中空パイプ状の風路であり、上下方向に沿って配設され、連通切換弁としての開閉弁41により開閉可能に構成されている。この開閉弁41は、制御手段8によりその開閉動作が制御される。   The communication passage 26 is a hollow pipe-like air passage that communicates the upstream side of the pleat filter 33 in the main dust collection chamber 21 and the upstream side of the filter 38 in the sub dust collection chamber 22 and is disposed along the vertical direction. The on-off valve 41 serving as a communication switching valve can be opened and closed. The opening / closing operation of the opening / closing valve 41 is controlled by the control means 8.

吸込風路28は、主集塵室21の下流側に連通する第1風路としての主集塵風路45と、副集塵室22の下流側に連通する第2風路としての副集塵風路46と、これら集塵風路45,46の双方が合流して電動送風機5の吸込側と連通する吸込風路本体47とを有し、主集塵風路45および副集塵風路46と、吸込風路本体47との連通部に、切換弁48が配設されている。   The suction air passage 28 includes a main dust collection air passage 45 as a first air passage communicating with the downstream side of the main dust collection chamber 21 and a sub air collection as a second air passage communicating with the downstream side of the sub dust collection chamber 22. The dust wind passage 46 and the dust collection wind passages 45, 46 join together to have a suction air passage body 47 communicating with the suction side of the electric blower 5, and the main dust collection air passage 45 and the sub dust collection wind A switching valve 48 is disposed at a communication portion between the passage 46 and the suction air passage main body 47.

主集塵風路45は、主集塵室21の排気側と中心位置が略一直線上に位置するように設けられている。また、主集塵風路45には、排気循環孔51が穿設され、この排気循環孔51と電動送風機5の排気側との間には、循環風路52が接続されている。したがって、主集塵室21には、第1状態すなわち掃除状態時には電動送風機5の吸気が本体吸込口11側からプリーツフィルタ33を通過可能で、第2状態すなわち塵埃移動状態時には、循環風路52、排気循環孔51および主集塵風路45を介して、プリーツフィルタ33の下流側である逆洗側から電動送風機5の排気が導入可能となっている。なお、以下、逆洗とは、フィルタにより塵埃などを捕集する際に流体が通過する方向と反対方向からこのフィルタに対して流体を通過させることで、このフィルタに付着した塵埃などを除去することをいう。   The main dust collection air passage 45 is provided such that the exhaust dust side and the center position of the main dust collection chamber 21 are located on a substantially straight line. An exhaust circulation hole 51 is formed in the main dust collection air passage 45, and a circulation air passage 52 is connected between the exhaust circulation hole 51 and the exhaust side of the electric blower 5. Therefore, in the main dust collection chamber 21, the intake air of the electric blower 5 can pass through the pleat filter 33 from the main body suction port 11 side in the first state, that is, the cleaning state, and the circulation air passage 52 in the second state, that is, the dust movement state. The exhaust of the electric blower 5 can be introduced from the backwashing side, which is the downstream side of the pleated filter 33, through the exhaust circulation hole 51 and the main dust collecting air passage 45. Hereinafter, backwashing removes dust adhering to the filter by allowing fluid to pass through the filter from a direction opposite to the direction in which the fluid passes when dust is collected by the filter. That means.

さらに、循環風路52内には、内部の脱臭をする脱臭機構としての脱臭フィルタ54が取り付けられている。また、循環風路52は、電動送風機5の排気側において、排気風路55と分岐するように設けられており、これら循環風路52と排気風路55とは、排気切換弁56により選択的に電動送風機5の排気側に連通するように構成されている。   Further, a deodorizing filter 54 as a deodorizing mechanism for deodorizing the inside is attached in the circulation air passage 52. The circulation air passage 52 is provided on the exhaust side of the electric blower 5 so as to branch from the exhaust air passage 55. The circulation air passage 52 and the exhaust air passage 55 are selectively selected by an exhaust switching valve 56. The electric blower 5 is configured to communicate with the exhaust side.

この排気風路55は、電動送風機5の排気側と、本体ケース4に設けられた排気孔57とを連通する風路である。   The exhaust air passage 55 is an air passage communicating the exhaust side of the electric blower 5 and the exhaust hole 57 provided in the main body case 4.

そして、排気切換弁56は、脱臭フィルタ54よりも電動送風機5寄りの位置に設けられ、制御手段8によりその開閉動作が制御される。   The exhaust switching valve 56 is provided at a position closer to the electric blower 5 than the deodorizing filter 54, and its opening / closing operation is controlled by the control means 8.

副集塵風路46は、副集塵室22の排気側と中心位置が略一直線上に位置するように設けられている。   The sub dust collection air passage 46 is provided so that the exhaust dust side and the center position of the sub dust collection chamber 22 are located on a substantially straight line.

また、切換弁48は、主集塵風路45と副集塵風路46とのいずれか一方を選択的に、吸込風路本体47を介して電動送風機5の吸込側に連通させるものであり、制御手段8によりその開閉動作が制御される。   Further, the switching valve 48 selectively connects either the main dust collection air passage 45 or the sub dust collection air passage 46 to the suction side of the electric blower 5 through the suction air passage main body 47. The opening / closing operation is controlled by the control means 8.

そして、上記連通管弁31、開閉弁41、切換弁48、排気切換弁56および制御手段8などにより、切換機構58が構成され、この切換機構58により、床ブラシ17、延長管16、ホース体12、本体吸込口11、主集塵室21、主集塵風路45および吸込風路本体47、電動送風機5、排気風路55および排気孔57を空気が順次経由する主風路W1を形成する上記第1状態である掃除状態と、空気が、主集塵室21、連通路26、副集塵室22、副集塵風路46、吸込風路本体47、電動送風機5、循環風路52、排気循環孔51および主集塵風路45と循環する副風路W2を形成する上記第2状態である塵埃移動状態(空気循環状態)とを切り換え可能となっている。   The communication pipe valve 31, the on-off valve 41, the switching valve 48, the exhaust switching valve 56, the control means 8, and the like constitute a switching mechanism 58. The switching mechanism 58 allows the floor brush 17, the extension pipe 16, the hose body. 12. Main air inlet 11, main dust collecting chamber 21, main dust collecting air passage 45 and suction air main body 47, electric blower 5, exhaust air passage 55 and exhaust hole 57 are formed to form main air passage W1 through which air sequentially passes. The cleaning state, which is the first state, and the main dust collecting chamber 21, the communication passage 26, the sub dust collecting chamber 22, the sub dust collecting air passage 46, the suction air passage main body 47, the electric blower 5, the circulation air passage 52, it is possible to switch between the dust moving state (air circulating state), which is the second state, which forms the auxiliary air passage W2 that circulates with the exhaust circulation hole 51 and the main dust collecting air passage 45.

次に、上記一実施の形態の動作を説明する。   Next, the operation of the above embodiment will be described.

まず、本体吸込口11にホース体12、延長管16および床ブラシ17を順次連通接続するとともに、本体ケース4の蓋体3を開けて集塵ユニット7を装着し、蓋体3を閉じる。   First, the hose body 12, the extension pipe 16 and the floor brush 17 are sequentially connected to the main body suction port 11, the lid body 3 of the main body case 4 is opened, the dust collecting unit 7 is attached, and the lid body 3 is closed.

そして、本体ケース4から電源コードを引き出して壁面などのコンセントに接続し、作業者が把持部14を把持して所定の設定ボタン15を操作すると、制御手段8が電動送風機5を駆動させる。   Then, the power cord is pulled out from the main body case 4 and connected to an outlet such as a wall surface. When the operator grips the grip portion 14 and operates a predetermined setting button 15, the control means 8 drives the electric blower 5.

このとき、制御手段8は、図1に示すように、切換弁48により副集塵風路46を閉塞して主集塵風路45を介して主集塵室21の下流側を電動送風機5の吸込側に連通させ、開閉弁41を閉じて主集塵室21と副集塵室22との連通を遮断し、連通管弁31を開いて主集塵室21の上流側を開放し、かつ、排気切換弁56により循環風路52を遮断して、電動送風機5の排気側を、排気風路55を介して排気孔57へと連通させる(掃除状態)。   At this time, as shown in FIG. 1, the control means 8 closes the sub dust collection air passage 46 by the switching valve 48 and moves the electric dust blower 5 to the downstream side of the main dust collection chamber 21 through the main dust collection air passage 45. The open / close valve 41 to shut off the communication between the main dust collection chamber 21 and the sub dust collection chamber 22, open the communication pipe valve 31 to open the upstream side of the main dust collection chamber 21, Further, the circulation air passage 52 is blocked by the exhaust switching valve 56, and the exhaust side of the electric blower 5 is communicated with the exhaust hole 57 via the exhaust air passage 55 (cleaning state).

この結果、電動送風機5の駆動により、主風路W1を介して空気とともに塵埃Dが主集塵室21へと吸い込まれる。   As a result, the electric blower 5 is driven to suck the dust D together with the air into the main dust collecting chamber 21 through the main air passage W1.

そして、この主集塵室21へと吸い込まれた塵埃Dのうち、粗塵は例えば遠心分離されてこの主集塵室21内に捕集されるとともに、細塵は空気がプリーツフィルタ33を通過する際に、このプリーツフィルタ33に捕集される。なお、主集塵室21内に収容された粗塵は通過する空気により圧縮される。   Of the dust D sucked into the main dust collection chamber 21, coarse dust is centrifuged, for example, and collected in the main dust collection chamber 21, and air passes through the pleat filter 33. At this time, the pleated filter 33 is collected. Note that the coarse dust accommodated in the main dust collecting chamber 21 is compressed by the passing air.

プリーツフィルタ33を通過した空気は、主集塵風路45および吸込風路本体47を介して電動送風機5へと吸い込まれ、電動送風機5を通過して排気風となり、排気風路55および排気孔57を介して掃除機本体1の外部へと排気される。   The air that has passed through the pleated filter 33 is sucked into the electric blower 5 through the main dust collection air passage 45 and the suction air passage main body 47, passes through the electric blower 5 and becomes exhaust air, and the exhaust air passage 55 and the exhaust hole. The air is exhausted to the outside of the cleaner body 1 through 57.

次いで、掃除を終了する際に、作業者が設定ボタン15を操作すると、制御手段8は、塵落とし体34を例えば所定時間動作させてプリーツフィルタ33にて捕集した細塵を主集塵室21内に落とすとともに、図2に示すように、切換弁48により主集塵風路45を閉塞して副集塵風路46を介して副集塵室22の下流側を電動送風機5の吸込側に連通させ、開閉弁41を開いて主集塵室21と副集塵室22とを連通させ、連通管弁31を閉じて主集塵室21の上流側を閉塞し、かつ、排気切換弁56により排気風路55を遮断して循環風路52の遮断を解除する(塵埃移動状態)。   Next, when the operator operates the setting button 15 when cleaning is finished, the control means 8 operates the dust drop body 34 for a predetermined time, for example, and collects fine dust collected by the pleat filter 33 in the main dust collection chamber. As shown in FIG. 2, the main dust collecting air passage 45 is closed by the switching valve 48 and the downstream side of the sub dust collecting chamber 22 is sucked into the electric blower 5 through the sub dust collecting air passage 46 as shown in FIG. Open the open / close valve 41 to connect the main dust collection chamber 21 and the sub dust collection chamber 22, close the communication pipe valve 31 to close the upstream side of the main dust collection chamber 21, and switch the exhaust The exhaust air passage 55 is shut off by the valve 56 to release the circulation air passage 52 from being shut off (dust movement state).

このとき、主集塵室21に捕集された塵埃Dの一部が、自重により連通路26を介して副集塵室22へと落下し、紙パック37に捕集される。   At this time, a part of the dust D collected in the main dust collection chamber 21 falls to the sub dust collection chamber 22 through the communication path 26 by its own weight, and is collected in the paper pack 37.

さらに、電動送風機5の駆動により、電動送風機5の排気が、副風路W2を介して循環風路52、排気循環孔51および主集塵風路45を順次通過し、プリーツフィルタ33を下流側から上流側へと通過してこのプリーツフィルタ33を逆洗し、さらに、連通路26を介して副集塵室22へと流入し、紙パック37およびフィルタ38を順次通過し、副集塵風路46および吸込風路本体47を通過して電動送風機5へと吸い込まれて循環する。   Further, by driving the electric blower 5, the exhaust of the electric blower 5 sequentially passes through the circulation air passage 52, the exhaust circulation hole 51, and the main dust collection air passage 45 via the auxiliary air passage W2, and the downstream side of the pleat filter 33 The pleated filter 33 is passed back to the upstream side, and the pleated filter 33 is backwashed, and further flows into the sub dust collection chamber 22 through the communication path 26, and sequentially passes through the paper pack 37 and the filter 38, and the sub dust collection wind. The air passes through the passage 46 and the suction air passage main body 47 and is sucked into the electric blower 5 and circulated.

この結果、主集塵室21に捕集された塵埃Dの残りが、電動送風機5の排気の循環により連通路26から副集塵室22の紙パック37へと流入し、この紙パック37、あるいはフィルタ38に捕集される。   As a result, the remainder of the dust D collected in the main dust collecting chamber 21 flows into the paper pack 37 of the sub dust collecting chamber 22 from the communication path 26 by circulation of the exhaust of the electric blower 5, and this paper pack 37, Or it is collected by the filter 38.

そして、制御手段8は、所定時間が経過すると、電動送風機5を停止させて、電気掃除機の運転を停止する。   And the control means 8 will stop the electric blower 5 and stop the operation | movement of a vacuum cleaner, if predetermined time passes.

紙パック37に所定量以上の塵埃が溜まった場合には、蓋体3を開けて紙パック37を副集塵室22から取り外して塵埃とともに廃棄し、新たな紙パック37を副集塵室22に装着する。   When dust of a predetermined amount or more accumulates in the paper pack 37, the lid 3 is opened, the paper pack 37 is removed from the sub dust collection chamber 22 and discarded together with the dust, and a new paper pack 37 is disposed in the sub dust collection chamber 22. Attach to.

上述したように、上記一実施の形態では、切換弁48により主集塵室21と電動送風機5の上流側とを連通させて、開閉弁41が主集塵室21と副集塵室22との連通を遮断し、連通管弁31が主集塵室21の上流側を開放するとともに、排気切換弁56により循環風路52が遮断される掃除状態を切換機構58により選択することで、塵埃Dを主集塵室21に吸い込んで捕集し、切換弁48により副集塵室22と電動送風機5の上流側とを連通させ、開閉弁41により主集塵室21と副集塵室22とを連通させ、かつ、連通管弁31により主集塵室21の上流側を閉塞するとともに、排気切換弁56により循環風路52の遮断を解除して排気風路55を遮断する循環状態を切換機構58により選択することで、主集塵室21にて捕集した塵埃Dを、循環風路52を介して循環させた電動送風機5の排気によって副集塵室22へと移動させることが可能となる。   As described above, in the above embodiment, the switching valve 48 allows the main dust collection chamber 21 and the upstream side of the electric blower 5 to communicate with each other, and the on-off valve 41 is connected to the main dust collection chamber 21 and the sub dust collection chamber 22. The communication pipe valve 31 opens the upstream side of the main dust collecting chamber 21, and the switching mechanism 58 selects a cleaning state in which the circulation air passage 52 is blocked by the exhaust switching valve 56. D is sucked into the main dust collection chamber 21 and collected. The switching valve 48 communicates the sub dust collection chamber 22 with the upstream side of the electric blower 5, and the open / close valve 41 connects the main dust collection chamber 21 and the sub dust collection chamber 22. And the communication pipe valve 31 closes the upstream side of the main dust collecting chamber 21, and the exhaust switching valve 56 releases the shutoff of the circulation air passage 52 to shut off the exhaust air passage 55. By selecting with the switching mechanism 58, the dust D collected in the main dust collecting chamber 21 is exhausted by the electric blower 5 circulated through the circulation air passage 52. It is possible to move to the dust collecting chamber 22.

この結果、掃除の際にメインで使用する主集塵室21側に塵埃Dが溜まり続けたり、プリーツフィルタ33が経時的に目詰まりしたりすることが抑制されるので、主集塵室21から移動させた塵埃Dが紙パック37いっぱいに溜まるまで、経時的な吸込力の低下を抑制できる。   As a result, it is possible to prevent dust D from continuously accumulating on the main dust collection chamber 21 side used in the main cleaning or clogging of the pleat filter 33 over time. Until the moved dust D is accumulated in the paper pack 37, it is possible to suppress a decrease in suction force over time.

また、主集塵室21にて一旦圧縮した塵埃Dを副集塵室22の紙パック37へと移動させるので、紙パック37へ移動させる塵埃Dの嵩が低減し、紙パック37の容量を有効に利用できる。   Further, since the dust D once compressed in the main dust collecting chamber 21 is moved to the paper pack 37 in the sub dust collecting chamber 22, the volume of the dust D moved to the paper pack 37 is reduced, and the capacity of the paper pack 37 is increased. It can be used effectively.

さらに、切換機構58は、プリーツフィルタ33の逆洗側から電動送風機5の排気を導入させるので、プリーツフィルタ33に付着した塵埃を、この排気の逆洗によりプリーツフィルタ33から効率よく除去できる。   Furthermore, since the switching mechanism 58 introduces the exhaust of the electric blower 5 from the backwash side of the pleat filter 33, the dust attached to the pleat filter 33 can be efficiently removed from the pleat filter 33 by the backwashing of the exhaust.

そして、循環風路52内に脱臭フィルタ54を設けることで、電動送風機5の排気を主集塵室21側へと循環させる際に、この循環する空気を脱臭でき、循環風路52などに塵埃Dに起因する臭気が溜まることなどを防止できる。   Further, by providing the deodorizing filter 54 in the circulation air passage 52, when the exhaust of the electric blower 5 is circulated to the main dust collection chamber 21 side, the circulating air can be deodorized, and the circulation air passage 52 is It is possible to prevent the odor caused by D from accumulating.

また、副集塵室22に、着脱可能な使い捨ての紙パック37を装着することにより、主集塵室21から移動させた塵埃Dを、外気に飛散させることなく紙パック37とともに容易かつ確実に廃棄でき、かつ、紙パック37を廃棄した後は新たな紙パック37を副集塵室22に装着することで、副集塵室22の捕集容量を維持できる。   In addition, by attaching a detachable disposable paper pack 37 to the sub-dust collection chamber 22, the dust D moved from the main dust collection chamber 21 can be easily and reliably put together with the paper pack 37 without being scattered to the outside air. After the paper pack 37 can be discarded, a new paper pack 37 can be attached to the sub dust collection chamber 22 after the paper pack 37 is discarded, so that the collection capacity of the sub dust collection chamber 22 can be maintained.

さらに、プリーツフィルタ33に付着した塵埃を除去して主集塵室21に落とす塵落とし体34を設けることで、プリーツフィルタ33の目詰まりを、より確実に防止できる。   Furthermore, clogging of the pleat filter 33 can be prevented more reliably by providing a dust drop body 34 that removes dust adhering to the pleat filter 33 and drops it to the main dust collection chamber 21.

なお、上記一実施の形態において、排気循環孔51は、プリーツフィルタ33の上流側に開口していてもよい。この場合には、排気循環孔51を例えばプリーツフィルタ33の上流側面の近傍に向けて開口することで、プリーツフィルタ33に付着した塵埃を、電動送風機5の排気によりプリーツフィルタ33から剥離させることができるので、上記一実施の形態と同様の作用効果を奏することが可能となる。   In the above embodiment, the exhaust circulation hole 51 may be opened upstream of the pleated filter 33. In this case, for example, by opening the exhaust circulation hole 51 toward the vicinity of the upstream side surface of the pleat filter 33, the dust attached to the pleat filter 33 can be separated from the pleat filter 33 by the exhaust of the electric blower 5. Therefore, it is possible to achieve the same effects as those of the one embodiment.

さらに、主集塵室21と副集塵室22とは、主集塵室21を上側、副集塵室22を下側とする以外でも、他の様々な配置が可能である。   Further, the main dust collection chamber 21 and the sub dust collection chamber 22 can be arranged in various other ways besides the main dust collection chamber 21 being the upper side and the sub dust collection chamber 22 being the lower side.

そして、紙パック37を副集塵室22に取り付けずに、副集塵室22自体を掃除機本体1に対して着脱可能な集塵カップのように構成することも可能である。   The sub dust collection chamber 22 itself can be configured as a dust collection cup that can be attached to and detached from the cleaner body 1 without attaching the paper pack 37 to the sub dust collection chamber 22.

また、各弁31,41,48,56の開閉動作は、制御手段8にて制御したが、制御する別個の弁制御手段を設けたり、いずれかの弁の開閉に機械的に連動させて他の各弁を開閉させたりしてもよい。   Further, the opening / closing operation of each valve 31, 41, 48, 56 is controlled by the control means 8. However, a separate valve control means for controlling the valve 31 is provided, or it is mechanically linked to the opening / closing of any one of the valves. Each valve may be opened and closed.

さらに、脱臭機構としては、脱臭フィルタ54以外でも、例えばプラズマ脱臭する脱臭機構など、任意のものを用いることが可能である。   Further, as the deodorizing mechanism, any one other than the deodorizing filter 54 can be used such as a deodorizing mechanism for performing plasma deodorization.

そして、電気掃除機の細部は、上記構成に限定されるものではなく、電気掃除機としては、キャニスタ型に限らず、例えば自走式(走行補助式)や自律走行式(ロボット式)の電気掃除機などでもよく、また、例えば床ブラシ17が掃除機本体1の下面に直接形成されたアップライト型、あるいはハンディ型などであっても対応させて用いることができる。   The details of the vacuum cleaner are not limited to the above configuration, and the vacuum cleaner is not limited to the canister type, for example, self-propelled (running assist type) or autonomous running type (robot type) electric For example, a vacuum cleaner or the like may be used. For example, the floor brush 17 may be an upright type or a handy type directly formed on the lower surface of the vacuum cleaner body 1.

本発明の一実施の形態の電気掃除機の第1状態を示す説明側面図である。It is explanatory side view which shows the 1st state of the vacuum cleaner of one embodiment of this invention. 同上電気掃除機の第2状態を示す説明側面図である。It is explanatory side view which shows the 2nd state of a vacuum cleaner same as the above. 同上電気掃除機を示す斜視図である。It is a perspective view which shows a vacuum cleaner same as the above.

符号の説明Explanation of symbols

1 掃除機本体
5 電動送風機
11 本体吸込口
21 第1集塵部としての主集塵室
22 第2集塵部としての副集塵室
33 フィルタとしてのプリーツフィルタ
52 循環風路
54 脱臭機構としての脱臭フィルタ
58 切換機構
1 Vacuum cleaner body 5 Electric blower
11 Main unit inlet
21 Main dust collection chamber as first dust collection unit
22 Sub-dust collection chamber as second dust collection section
33 Pleated filter as a filter
52 Circulating air passage
54 Deodorizing filter as deodorizing mechanism
58 Switching mechanism

Claims (3)

電動送風機を収容するとともに、この電動送風機の吸込側に連通する本体吸込口を備えた掃除機本体と、
フィルタを有し、前記電動送風機の駆動により前記本体吸込口から吸い込んだ塵埃を捕集可能な第1集塵部と、
この第1集塵部に連通接続された第2集塵部と、
前記電動送風機の排気側と前記第1集塵部とを連通する循環風路と、
前記第1集塵部と前記電動送風機の上流側とを連通し、前記第1集塵部と前記第2集塵部との連通を遮断し、前記第1集塵部の上流側を開放するとともに前記第1集塵部と前記循環風路との連通を遮断する第1状態と、前記第2集塵部と前記電動送風機の上流側とを連通し、前記第1集塵部と前記第2集塵部との連通の遮断を解除し、前記第1集塵部の上流側を閉塞するとともに前記第1集塵部と前記循環風路との連通の遮断を解除する第2状態とを切り換え可能な切換機構と
を具備したことを特徴とした電気掃除機。
A vacuum cleaner body with a main body suction port that houses the electric blower and communicates with the suction side of the electric blower,
A first dust collecting unit having a filter and capable of collecting dust sucked from the main body suction port by driving the electric blower;
A second dust collector connected to the first dust collector;
A circulation air passage communicating the exhaust side of the electric blower and the first dust collecting part;
The first dust collector and the upstream side of the electric blower are communicated, the communication between the first dust collector and the second dust collector is blocked, and the upstream side of the first dust collector is opened. And the first state where communication between the first dust collecting part and the circulation air passage is blocked, the second dust collecting part and the upstream side of the electric blower are communicated, and the first dust collecting part and the first dust collecting part are communicated with each other. A second state in which the disconnection of the communication with the dust collecting unit is released, the upstream side of the first dust collecting unit is closed, and the communication between the first dust collecting unit and the circulation air passage is released. A vacuum cleaner comprising a switchable switching mechanism.
循環風路は、電動送風機の排気側を第1集塵部のフィルタの逆洗側に接続している
ことを特徴とした請求項1記載の電気掃除機。
The vacuum cleaner according to claim 1, wherein the circulation air passage connects the exhaust side of the electric blower to the backwash side of the filter of the first dust collecting unit.
循環風路内に脱臭機構を具備した
ことを特徴とした請求項1または2記載の電気掃除機。
The vacuum cleaner according to claim 1 or 2, wherein a deodorizing mechanism is provided in the circulation air passage.
JP2006283948A 2006-10-18 2006-10-18 Vacuum cleaner Expired - Fee Related JP4818064B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006283948A JP4818064B2 (en) 2006-10-18 2006-10-18 Vacuum cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006283948A JP4818064B2 (en) 2006-10-18 2006-10-18 Vacuum cleaner

Publications (2)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009201825A (en) * 2008-02-28 2009-09-10 Toshiba Corp Vacuum cleaner
JP2018511387A (en) * 2015-03-16 2018-04-26 フォルヴェルク・ウント・ツェーオー、インターホールディング・ゲーエムベーハーVorwerk & Compagnie Interholding Gesellshaft Mit Beschrankter Haftung System including a vacuum cleaner and a base station, a vacuum cleaner, a base station, and a method for emptying a vacuum cleaner dust collection chamber

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JPH1156693A (en) * 1997-08-25 1999-03-02 Tec Corp Electric vacuum cleaner
JP2001212052A (en) * 2000-12-27 2001-08-07 Matsushita Electric Ind Co Ltd Electric vacuum cleaner
JP2003265376A (en) * 2002-03-12 2003-09-24 Toshiba Tec Corp Vacuum cleaner
JP2004283327A (en) * 2003-03-20 2004-10-14 Hitachi Home & Life Solutions Inc Vacuum cleaner
JP2005131135A (en) * 2003-10-30 2005-05-26 Toshiba Tec Corp Vacuum cleaner
JP2006006453A (en) * 2004-06-23 2006-01-12 Toshiba Tec Corp Vacuum cleaner

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JPH1156693A (en) * 1997-08-25 1999-03-02 Tec Corp Electric vacuum cleaner
JP2001212052A (en) * 2000-12-27 2001-08-07 Matsushita Electric Ind Co Ltd Electric vacuum cleaner
JP2003265376A (en) * 2002-03-12 2003-09-24 Toshiba Tec Corp Vacuum cleaner
JP2004283327A (en) * 2003-03-20 2004-10-14 Hitachi Home & Life Solutions Inc Vacuum cleaner
JP2005131135A (en) * 2003-10-30 2005-05-26 Toshiba Tec Corp Vacuum cleaner
JP2006006453A (en) * 2004-06-23 2006-01-12 Toshiba Tec Corp Vacuum cleaner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009201825A (en) * 2008-02-28 2009-09-10 Toshiba Corp Vacuum cleaner
JP2018511387A (en) * 2015-03-16 2018-04-26 フォルヴェルク・ウント・ツェーオー、インターホールディング・ゲーエムベーハーVorwerk & Compagnie Interholding Gesellshaft Mit Beschrankter Haftung System including a vacuum cleaner and a base station, a vacuum cleaner, a base station, and a method for emptying a vacuum cleaner dust collection chamber

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