JP2006187449A - Washing/drying machine - Google Patents

Washing/drying machine Download PDF

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JP2006187449A
JP2006187449A JP2005001438A JP2005001438A JP2006187449A JP 2006187449 A JP2006187449 A JP 2006187449A JP 2005001438 A JP2005001438 A JP 2005001438A JP 2005001438 A JP2005001438 A JP 2005001438A JP 2006187449 A JP2006187449 A JP 2006187449A
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washing
lint
water
drying
filter
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Shinichiro Kawabata
Hisao Tatsumi
真一郎 川端
尚生 巽
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Toshiba Consumer Marketing Corp
Toshiba Corp
Toshiba Kaden Seizo Kk
東芝コンシューママーケティング株式会社
東芝家電製造株式会社
株式会社東芝
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Priority to JP2005001438A priority Critical patent/JP2006187449A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To automatically clean lint caught using a circulating air passage for circulatively supplying dry air by water-washing and provide the constitution with a compact shape. <P>SOLUTION: This washing/drying machine is provided with a water tub 3 and a drum 4 for washing and drying clothes; and is constituted to circulatively supplying the dry air to the drum 4 via the circulating air passage 13 in the drying process by being interposed with a heat pump mechanism comprising a compressor 18, an evaporator 29 and a condenser 19, and an air blowing fan 21 in the mid-course. This washing/drying machine is provided with a lint filter 22 in the circulation air passage 13 and positioned in the upstream side of the evaporator 20, and an injection nozzle 23 washing away the lint caught by the lint filter 22; and the injection nozzle 23 injects water along the lint filter surface. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、洗濯および乾燥機能を有し、特に乾燥風を生成すべくヒートポンプ機構を採用した洗濯乾燥機に関する。   The present invention relates to a washing / drying machine having a washing and drying function, and particularly employing a heat pump mechanism to generate dry air.
従来、この種洗濯乾燥機として、例えばドラム式の洗濯乾燥機では、衣類等は回転可能なドラム内に収容され、洗い,すすぎ,脱水等の洗濯行程、および乾燥行程を自動的に運転、或いは選択的に運転可能としている。そして、特に乾燥行程において乾燥に供する熱エネルギーの効率化を図るべく、空気を所定温度に加熱した乾燥風をドラム内に循環供給可能としている。そのために、ドラムの乾燥風の出入口に連通接続された循環風路を形成するとともに、その途中部位に乾燥風の熱源でもあるヒートポンプ機構を設け、以って循環する空気(送風)に対し、熱交換により除湿する蒸発器、および同じく加熱する凝縮器を経て乾燥風を生成する構成としている。   Conventionally, as this kind of washing and drying machine, for example, in a drum type washing and drying machine, clothes and the like are housed in a rotatable drum, and a washing process such as washing, rinsing and dehydration, and a drying process are automatically operated, or Selective operation is possible. In order to increase the efficiency of heat energy used for drying, particularly in the drying process, drying air heated to a predetermined temperature can be circulated and supplied into the drum. For this purpose, a circulation air passage communicating with the inlet and outlet of the drying air of the drum is formed, and a heat pump mechanism that is also a heat source of the drying air is provided in the middle of the air, so It is set as the structure which produces | generates a dry wind through the evaporator dehumidified by replacement | exchange, and the condenser similarly heated.
しかるに、上記循環構成では所謂機外に排気することなく衣類等の乾燥作用を行なうもので、特に洗濯行程にて生じた糸屑等のリントが乾燥風に乗って浮遊し、循環風路内を流れることになる。この状態では、リントが蒸発器等に絡まり循環風量の低下や熱交換による除湿性能の低下等を来たし、当然長期使用はできない。また、循環風路が機外に直接連通した構成でもないこともあって、機外から脱着可能なリントフィルタなどを容易に配置することもできない。   However, in the above-described circulation configuration, the clothes and the like are dried without being exhausted outside the machine. In particular, lint such as lint generated in the washing process floats on the drying air and floats in the circulation air passage. Will flow. In this state, lint is entangled in the evaporator and the like, resulting in a decrease in circulating air volume and a decrease in dehumidifying performance due to heat exchange, and naturally it cannot be used for a long time. Further, since the circulation air passage is not directly connected to the outside of the machine, a lint filter that can be detached from the outside of the machine cannot be easily arranged.
一方、上記洗濯乾燥機の構成に係らずリントフィルタを機外から脱着可能に設けること自体容易ではないとともに、その捕獲されたリントの清掃作業は面倒なものであり、しかもこれを怠った場合には上記の如く風量の低下などの不具合を招く。そこで、近年リントフィルタに捕獲されたリントを自動的に清掃できる手段が考えられていて、例えば空気通路中に水平状態にリントフィルタを設け、このリントフィルタ面に対し空気流とは逆方向の上方から水を噴射し、該リントフィルタに付着したリントを洗い流すようにし、以って清掃する手間を省き使い勝手をよくしたとする提案がなされている(例えば、特許文献1参照)。
特開2004−135755号公報
On the other hand, regardless of the configuration of the washing and drying machine, it is not easy to provide a lint filter so as to be removable from the outside of the machine, and the cleaning operation of the captured lint is troublesome, and if this is neglected Causes problems such as a decrease in air volume as described above. Therefore, in recent years, means for automatically cleaning the lint captured by the lint filter has been considered. For example, a lint filter is provided in a horizontal state in the air passage, and the lint filter surface has an upward direction opposite to the air flow. A proposal has been made that water is jetted out to wash away the lint adhering to the lint filter, thereby eliminating the need for cleaning and improving usability (see, for example, Patent Document 1).
JP 2004-135755 A
上記構成によれば、ドラム式洗濯乾燥機に特許文献1に記載のリントの水洗い手段を採用することで、循環風路がリントにより狭められることなく所期の風量を長期確保できることが期待される。しかしながら、上記水洗い手段では空気流とは逆方向から水を噴射する条件設定であること、および水平にリントフィルタ面を配設し且つ該フィルタ面に対向して広い範囲にいきわたる水の拡散噴射手段を必要とし、更にそのためにフィルタ面と噴射手段との間に所定の離間距離を要するなど、水平方向および高さ方向において相当なスペースを必要とする。このことは、フィルタの目詰まりを防いだり風量の低下を防ぐべくフィルタ面積を大きくするほど、広いスペース空間を必要とし、しかも更には上記循環風路を具備した洗濯乾燥機にあっては、その内部に配設するのはスペース的に容易ではなく、コンパクト化指向の要請に応えられないなどの問題を有する。   According to the above configuration, by adopting the lint water washing means described in Patent Document 1 in the drum type washing and drying machine, it is expected that the desired air volume can be secured for a long time without the circulation air passage being narrowed by the lint. . However, in the water washing means, the condition setting is such that water is jetted from the direction opposite to the air flow, and the lint filter surface is disposed horizontally and the water diffusion jet means that covers a wide range facing the filter surface In addition, a considerable space is required in the horizontal direction and the height direction, such as requiring a predetermined separation distance between the filter surface and the ejection means. This means that the larger the filter area is, the larger the filter area is to prevent clogging of the filter and the reduction of the air volume, and moreover, in the washing / drying machine equipped with the circulation air passage, It is not easy to arrange in the space, and there is a problem that it cannot meet the demand for compactness.
本発明は、上記問題点を解決するために、コンパクト化が可能でリントの清掃も容易な水洗い手段を備えた洗濯乾燥機を提供することを目的とする。   SUMMARY OF THE INVENTION In order to solve the above problems, an object of the present invention is to provide a washing / drying machine including a water washing means that can be made compact and can easily clean lint.
上記目的を達成するために、本発明の洗濯乾燥機は、衣類等の洗濯および乾燥を行なう洗濯槽を備え、乾燥行程時には途中に圧縮機、蒸発器、凝縮器等からなるヒートポンプ機構、および送風ファンを介在した循環風路を経て前記洗濯槽に乾燥風を循環供給する構成としたものにおいて、前記循環風路中にあって前記蒸発器の上流側にリントフィルタを設けるとともに、このリントフィルタに捕獲されたリントを洗い流す水洗い手段を備え、該水洗い手段は上方から前記リントフィルタ面に沿って注水する構成としたことを主たる特徴とするものである。   In order to achieve the above object, a washing and drying machine of the present invention includes a washing tub for washing and drying clothes and the like, and a heat pump mechanism including a compressor, an evaporator, a condenser, and the like in the middle of a drying process, and a blower In the configuration in which the drying air is circulated and supplied to the washing tub through a circulation air passage through a fan, a lint filter is provided on the upstream side of the evaporator in the circulation air passage. The main feature is that a water washing means for washing out the captured lint is provided, and the water washing means is configured to inject water along the lint filter surface from above.
上記手段によれば、リントフィルタ面に沿って注水し捕獲されたリントを洗い流すようにしたので、水洗い手段として広く拡散注水する必要はなく、またリントフィルタと注水手段を対向離間して設けるなどの必要もないなど、コンパクトな構成にてリントを自動的に清掃することができ、熱エネルギーの効率化を図るべき乾燥風の循環風路を備えた構成にあってもスペース的にも容易に配置できる洗濯乾燥機を提供できる。   According to the above means, water is poured along the lint filter surface and the captured lint is washed away, so that it is not necessary to widely diffuse and pour water as washing means, and the lint filter and the water filling means are provided to be spaced apart from each other. Lint can be automatically cleaned with a compact configuration, such as no need, and even in a configuration with a circulation path for dry air that should improve the efficiency of thermal energy, it is easily arranged in space Can be provided.
(第1の実施の形態)
以下、本発明をドラム式の洗濯乾燥機に適用して示す第1実施例につき、図1ないし図6を参照して説明する。まず、図1に示す洗濯乾燥機の全体構成を示す縦断側面図に基づき説明すると、洗濯乾燥機は洗い,すすぎ,脱水および乾燥運転を自動的に、或いは選択的に運転可能としており、該洗濯乾燥機の外殻をなす大略矩形箱状の筐体1は、その前面中央に洗濯物を出し入れする投入口1aを形成し、この投入口1aを開閉するドア2を備えている。なお、ドア2の背面は後述するドラム4の前面開口に達する凸面部2aを有し、また前記投入口1aは、後述するドラムの傾斜配置に合わせて筐体1前面の上半部とともにやゝ前方(図示右方)上向きに指向して形成されている。
(First embodiment)
A first embodiment in which the present invention is applied to a drum-type washing / drying machine will be described below with reference to FIGS. First, a description will be given based on a longitudinal side view showing the overall configuration of the washing / drying machine shown in FIG. 1. The washing / drying machine can automatically or selectively perform washing, rinsing, dehydration and drying operations. A substantially rectangular box-shaped housing 1 that forms the outer shell of the dryer is provided with a loading port 1a for loading and unloading laundry at the center of the front surface, and a door 2 for opening and closing the loading port 1a. The rear surface of the door 2 has a convex surface portion 2a that reaches the front opening of the drum 4 to be described later. It is formed so as to be directed forward (rightward in the figure) upward.
そして筐体1の内部には、洗濯槽として前後方向に円筒状をなす水槽3および横軸周りのドラム4が配設されている。そのうち、水槽3は前面側である右方を向いて大きく開口している以外は本来的に無孔状で貯水可能な構成とし、且つ若干前上がりの傾斜状態に弾性支持装置(図示せず)を介して弾性支持されている。一方、ドラム4は上記水槽3の内部に同形態の円筒状をなし、その回転軸心が具体的には前方上向きに傾斜した状態で回転可能に配設されている。このドラム4は、やはり前面側を大きく開口するとともに、周壁に多数の透孔4aや複数のバッフル4b(1個のみ図示)等を形成していて、回転駆動されることで洗いやすすぎのほか、脱水および乾燥に共用の洗濯槽として機能する。   Inside the housing 1, a water tub 3 having a cylindrical shape in the front-rear direction as a washing tub and a drum 4 around the horizontal axis are disposed. Among them, the water tank 3 is essentially configured to be non-porous and capable of storing water except for a large opening facing the right side which is the front side, and an elastic support device (not shown) in a slightly upwardly inclined state. It is elastically supported via. On the other hand, the drum 4 has a cylindrical shape of the same form inside the water tank 3 and is rotatably arranged with its rotational axis inclined specifically forward and upward. The drum 4 has a large opening on the front side, and a large number of through holes 4a and a plurality of baffles 4b (only one is shown) are formed on the peripheral wall. Acts as a shared washing tub for dehydration and drying.
しかして、水槽3およびドラム4の各前面開口は、いずれも同方向に連通開口して形成され、その略延長線上に前記筐体1の投入口1aが位置し、これらを通して洗濯物をドラム4に対し出し入れ可能としている。なお、筐体1の投入口1aと水槽3の前面開口との間には、弾性的なベロー5が水密に連結され、水槽3側から筐体1内への水の漏洩等を防止している。   Thus, each front opening of the water tank 3 and the drum 4 is formed so as to communicate with each other in the same direction, and the insertion port 1a of the housing 1 is located on the substantially extended line, and the laundry is passed through the drum 4 through these. Can be taken in and out. An elastic bellows 5 is watertightly connected between the inlet 1a of the housing 1 and the front opening of the water tank 3 to prevent water leakage from the water tank 3 into the housing 1 and the like. Yes.
前記水槽3の背面部中央には、ドラム4を回転駆動するモータ6が配設されている。このモータ6は、例えばアウタロータ形のDCブラシレスモータであり、そのロータに連結され傾斜した回転軸心の回転軸7が、水槽3を貫通してドラム4の背面部中央に連結されている。従って、モータ6が通電駆動されると、そのロータと一体にドラム4が回転する構成にある。また、水槽3底面の後方最下部には、排水口8が形成され途中に排水弁9を備えた槽排水管10が連通接続され、その先端側は詳細は後述するがフィルタ装置11を介して機外たる筐体1から外部に導出された主排水管12を経て、所定の排水場所に排水可能としている。   A motor 6 that rotates the drum 4 is disposed in the center of the back surface of the water tank 3. The motor 6 is, for example, an outer rotor type DC brushless motor, and a rotating shaft 7 having an inclined rotating shaft connected to the rotor passes through the water tank 3 and is connected to the center of the back surface of the drum 4. Therefore, when the motor 6 is energized and driven, the drum 4 rotates integrally with the rotor. Further, a drainage port 8 is formed in the lowermost rear part of the bottom surface of the water tank 3 and is connected to a tank drain pipe 10 having a drain valve 9 in the middle thereof. It is possible to drain to a predetermined drainage place through a main drain pipe 12 led out from the casing 1 which is outside the machine.
一方、本実施例では水槽3の背面から下方を通り前面にかけて連通した循環風路13を設けている。この循環風路13は、衣類等を加熱乾燥させるための乾燥風を水槽3を介してドラム4内に循環供給するもので、乾燥風は図中に矢印方向で示すようにドラム4の前面側開口から内部に供給され、衣類等を乾燥しながら後方の水槽3の背面から排出される構成としている。   On the other hand, in the present embodiment, a circulation air passage 13 is provided which communicates from the rear surface of the water tank 3 through the lower surface to the front surface. This circulation air passage 13 circulates and supplies the drying air for heating and drying clothes and the like into the drum 4 through the water tank 3, and the drying air is on the front side of the drum 4 as indicated by the arrow in the figure. It is configured to be supplied from the opening to the inside and discharged from the back of the rear water tank 3 while drying clothes and the like.
具体的には、循環風路13は水槽3の前後面に夫々配設され、且ついずれも上方部位に連通接続された給気ダクト14および排気ダクト15を有し、これら両ダクト14,15の他端を下方の筐体1側に配設した熱交換ダクト16に伸縮部17a,17bを介して接続された構成からなる。特に、上記熱交換ダクト16には後述するように乾燥風を効率よく生成するためのヒートポンプ機構、送風手段、更にはリント捕獲手段およびリントの清掃手段を配備している。   Specifically, the circulation air passage 13 is provided on each of the front and rear surfaces of the water tank 3 and has an air supply duct 14 and an exhaust duct 15 that are both connected to the upper portion thereof. It has a configuration in which the other end is connected to a heat exchange duct 16 disposed on the lower casing 1 side via expansion / contraction portions 17a and 17b. In particular, the heat exchange duct 16 is provided with a heat pump mechanism, an air blowing means, a lint capturing means, and a lint cleaning means for efficiently generating dry air as will be described later.
そのうち、まずヒートポンプ機構につき概述すると、これは周知のように筐体1内に設置された圧縮機18により、冷媒が凝縮器19、図示しないキャピラリチューブ(絞り)、蒸発器20の順に循環する構成からなり、その機能は凝縮器19にて循環する空気を加熱して乾燥風を生成し、送風ファン21により給気ダクト14を経てドラム4内に送り込まれ、内部の衣類等を乾燥する。乾燥に寄与した後の水分を含む空気は、排気ダクト15から熱交換ダクト16に回収され、ここで蒸発器20で冷却除湿され、再び凝縮器19に至り加熱されて乾燥風として再利用され、排気されることなく熱エネルギーの有効活用が行なわれる。   First, the heat pump mechanism will be briefly described. In this configuration, as is well known, the refrigerant is circulated in the order of the condenser 19, a capillary tube (throttle) (not shown), and the evaporator 20 by the compressor 18 installed in the housing 1. Its function is to heat the air circulating in the condenser 19 to generate dry air, which is sent into the drum 4 through the air supply duct 14 by the blower fan 21 to dry clothes and the like inside. The air containing moisture after contributing to the drying is recovered from the exhaust duct 15 to the heat exchange duct 16, where it is cooled and dehumidified by the evaporator 20, is heated again to the condenser 19, and is reused as drying air. The heat energy is effectively utilized without being exhausted.
次いで、上記リントの捕獲手段および清掃手段につき述べると、ヒートポンプ機構の上流側である蒸発器20と若干離間した上流側に位置して、熱交換ダクト16の断面矩形の通路を遮断するようにリントフィルタ22が装備されている。その具体構成は後述するが、当然ながら十分な通気性を確保した上で、浮遊状態で流れてきたリントを捕獲可能とするものである。そして、このリントフィルタ22の上流側の縦面に沿って注水可能とした注水ノズル23を備え、捕獲されたリントを清掃すべく洗い流すようにした所謂水洗い手段を設けている。このため、注水ノズル23には注水管24が接続され、他端は筐体1内の上部に設けられた給水弁ユニット25に接続され、水道水を供給可能としている。   Next, the lint capturing means and the cleaning means will be described. The lint is located on the upstream side slightly spaced from the evaporator 20 on the upstream side of the heat pump mechanism so as to block the rectangular passage of the heat exchange duct 16. A filter 22 is provided. Although the specific configuration will be described later, it is possible to capture lint that has flowed in a floating state while ensuring sufficient air permeability. Further, a so-called water-washing means is provided which is provided with a water-injecting nozzle 23 capable of pouring water along the vertical surface on the upstream side of the lint filter 22 so as to wash out the captured lint. For this reason, a water injection pipe 24 is connected to the water injection nozzle 23, and the other end is connected to a water supply valve unit 25 provided in the upper part of the housing 1 so that tap water can be supplied.
なお、上記給水弁ユニット25には、洗濯槽たる水槽3およびドラム4内に給水するための給水管26が接続されていて、図示しない制御装置により選択的に開閉制御され、上記注水管24および給水管26に夫々送水可能としている。このように、リントフィルタ22やヒートポンプ機構を配した熱交換ダクト16は、図1からも明らかなように途中に段差を有するが全体に上流側(反矢印側)に向かって下降傾斜した形態をなしている。   The water supply valve unit 25 is connected with a water supply pipe 26 for supplying water into the water tank 3 and the drum 4 as a washing tub, and is selectively controlled to be opened and closed by a control device (not shown). Each of the water supply pipes 26 can be supplied with water. As described above, the heat exchange duct 16 provided with the lint filter 22 and the heat pump mechanism has a step in the middle as is apparent from FIG. 1, but has a configuration in which the entire heat exchange duct 16 is inclined downward toward the upstream side (counter arrow side). There is no.
しかるに、上記水洗い手段による排水手段として、前記リントフィルタ22の近傍の少なくとも上流側にあって熱交換ダクト16の最低部位に水抜き口27が形成され、これにダクト排水管28が接続され、更に排水弁29を介して前記主排水管12に連通接続されている。従って、前記槽排水管10とダクト排水管28は夫々の排水弁9,29を経て合流し、主排水管12から機外に排水可能な構成にある。また、前記した蒸発器20により除湿された水分も、滴下した後に熱交換ダクト16の傾斜下面に沿って流下し、上記水抜き口27から同様に機外に排出される。   However, as a draining means by the water washing means, a drain port 27 is formed at least at the upstream side in the vicinity of the lint filter 22 and at the lowest part of the heat exchange duct 16, to which a duct drain pipe 28 is connected, and The main drain pipe 12 is connected to the main drain pipe 12 through a drain valve 29. Therefore, the tank drain pipe 10 and the duct drain pipe 28 are joined through the drain valves 9 and 29, respectively, and can drain from the main drain pipe 12 to the outside of the machine. Also, the moisture dehumidified by the evaporator 20 is dropped and then flows down along the inclined lower surface of the heat exchange duct 16 and is similarly discharged from the drain port 27 to the outside.
ここで、前記したフィルタ装置11につき述べると、これは主排水管12の途中部位に介在され、その排水中からリントを捕獲できるように例えば格子状のフィルタ部材30を備えている。このフィルタ部材30を機外から挿脱可能に収容するフィルタケース31は、一端が筐体1の前面に開口し、他端の内方端側が主排水管12の途中部位に交差するように連通接続された構成としている。しかも、このフィルタケース31は筐体1の前面に向かって斜めに上昇し、その機外となる開口にはフィルタ部材30の蓋部30aが水密に閉鎖可能としている。   Here, the above-described filter device 11 will be described. The filter device 11 is provided in the middle portion of the main drain pipe 12 and includes, for example, a lattice-like filter member 30 so that lint can be captured from the drainage. The filter case 31 that accommodates the filter member 30 so as to be detachable from the outside of the machine communicates so that one end is opened in the front surface of the housing 1 and the inner end side of the other end intersects the midway portion of the main drain pipe 12. Connected configuration. In addition, the filter case 31 rises obliquely toward the front surface of the housing 1, and the lid portion 30a of the filter member 30 can be closed in a watertight manner at an opening outside the machine.
しかして、図2ないし図6には、前記した熱交換ダクト16のヒートポンプ機構の前段(上流側)に配備されたリントフィルタ22、および水洗い手段たる注水ノズル23の各具体構成につき開示している。そのうち、図2ないし図4に示すリントフィルタ22の構成につき述べると、全体形状としては矩形状の枠部32を外郭となし、これは熱交換ダクト16に装着すべく通路の断面形状に沿う大きさ、および形状としている。そして、この枠部32の上下部に固着された多数の細いワイヤ部材33が縦方向(上下方向)に設けられている。このワイヤ部材33は、例えば樹脂糸或いは金属線等により形成され、樹脂製の枠部32の成形時に或いは成形後に熱溶着等の適宜の固着手段により所定の小ピッチで多数並んで配設されている。従って、この縦方向に並列状態のワイヤ部材33はスリット状の細い目を構成し、熱交換ダクト16内の十分な通気性を確保するとともに、空気中に浮遊するリントを捕獲可能としている。   2 to 6 disclose specific configurations of the lint filter 22 disposed in the upstream (upstream side) of the heat pump mechanism of the heat exchange duct 16 and the water injection nozzle 23 serving as washing means. . Among them, the configuration of the lint filter 22 shown in FIGS. 2 to 4 will be described. As a whole, the rectangular frame portion 32 forms an outer shell, which is a size along the cross-sectional shape of the passage to be attached to the heat exchange duct 16. And the shape. A large number of thin wire members 33 fixed to the upper and lower portions of the frame portion 32 are provided in the vertical direction (vertical direction). The wire member 33 is formed of, for example, a resin thread or a metal wire, and is arranged in a large number at a predetermined small pitch by an appropriate fixing means such as heat welding during or after the molding of the resin frame portion 32. Yes. Accordingly, the wire members 33 arranged in parallel in the vertical direction form slit-like narrow eyes, ensuring sufficient air permeability in the heat exchange duct 16 and capturing lint floating in the air.
なお、本実施例では枠部32のうち下部枠32aは、特に図4に熱交換ダクト16の一部を含む縦断面図に示すようにやゝ薄く形成されていて、その上面(内面)側に補強金具34が添設されている。しかも、この上面は熱交換ダクト16の下面とほぼ面一で、且つ上流側に下降する傾斜面となるように組み込まれる。従って、熱交換ダクト16の下面を流下してきた水は、この下枠部32aが妨げとなることなく、これを乗り越えスムースに流れる組立構成としている。   In the present embodiment, the lower frame 32a of the frame portion 32 is formed slightly thin as shown in the longitudinal sectional view including a part of the heat exchange duct 16 in FIG. Reinforcing metal fittings 34 are attached. Moreover, the upper surface is incorporated so as to be an inclined surface that is substantially flush with the lower surface of the heat exchange duct 16 and descends upstream. Accordingly, the water that has flowed down the lower surface of the heat exchange duct 16 has an assembly structure in which the lower frame portion 32a passes over the flow without a hindrance and flows smoothly.
そして、図2中に二点鎖線で示すように水洗い手段を構成する前記注水ノズル23が、リントフィルタ22の上枠部32b近傍に配設されている。まず、注水ノズル23の単体の構成につき図5,6を参照して説明する。この注水ノズル23は、一端が前記注水管24が接続された細長円筒状の筒状部23aと、この筒状部23aからその長手方向に沿って突設され長くて扁平な矩形の開口部35を有する同じく矩形の注水口部23bとから構成されている。なお、筒状部23aの閉端部にはキャップ23cが嵌合され、成形時の長い筒状部23aの圧力変形を防ぎ、一方開口部35の長手方向の複数箇所には整流板35aを内設している。この構成により、注水ノズル23の筒状部23aに達した水は、長くて扁平な開口部35にて絞られ、且つ整流板35aにて長手方向に均一な薄い水膜状となって噴射可能としている。   As shown by a two-dot chain line in FIG. 2, the water injection nozzle 23 constituting the water washing means is disposed in the vicinity of the upper frame portion 32 b of the lint filter 22. First, a single structure of the water injection nozzle 23 will be described with reference to FIGS. The water injection nozzle 23 has an elongated cylindrical tubular portion 23a, one end of which is connected to the water injection pipe 24, and a long and flat rectangular opening 35 that protrudes from the tubular portion 23a along the longitudinal direction thereof. It is comprised from the same rectangular water-injection part 23b which has. A cap 23c is fitted to the closed end of the cylindrical portion 23a to prevent pressure deformation of the long cylindrical portion 23a at the time of molding. Has been established. With this configuration, the water that has reached the cylindrical portion 23a of the water injection nozzle 23 can be squeezed by a long and flat opening 35 and can be jetted as a uniform thin water film in the longitudinal direction by the rectifying plate 35a. It is said.
しかして、斯かる構成の注水ノズル23は、図2に開示したように注水口部23bをリントフィルタ22の上枠部32bと平行に沿うように配設し、つまりは上方に位置する開口部35からワイヤ部材33の上流側の縦方向のフィルタ面に沿って水膜状に噴射注水できる配置構成とするもので、この場合、開口方向を若干フィルタ面に指向して傾斜した位置設定としてもよい。従って、注水ノズル23は例えば図1に示すように、熱交換ダクト16の上面から注水口部23bを水密に突出させた構成にて設けている。   Thus, the water injection nozzle 23 having such a configuration is arranged such that the water injection port portion 23b is arranged in parallel with the upper frame portion 32b of the lint filter 22 as disclosed in FIG. 35 is arranged so that water can be sprayed and poured in the form of a water film along the longitudinal filter surface on the upstream side of the wire member 33. In this case, the position of the opening is inclined slightly toward the filter surface. Good. Therefore, for example, as shown in FIG. 1, the water injection nozzle 23 is provided in a configuration in which the water injection port 23 b protrudes from the upper surface of the heat exchange duct 16 in a watertight manner.
次に、上記構成のドラム式洗濯乾燥機の作用について説明する。
例えば標準コースとして、周知のようにドラム4の回転速度の制御に基づき洗い、すすぎ、脱水、乾燥の各行程が自動的に実行され、ドラム4に対する衣類等(図示せず)の出し入れは、やゝ前方上向き投入口1aから容易にできる。そのうち、洗いやすすぎでは排水弁9は閉じられ水槽3やドラム4内に貯水されるが、循環風路13には上方部位において開口連通した構成なので、所謂洗濯水が浸入することはない。また、排水時には排水弁9は開放するがダクト排水管28の排水弁29は閉じた状態にあって、やはり循環風路13内に浸入することはない。更には、前記乾燥行程においては、上記排水弁29を開放するとともに、衣類等を加熱乾燥するための乾燥風をヒートポンプ機構を利用して生成し、該乾燥風を循環風路13を介してドラム4内に循環供給するようにして熱エネルギーの効率化を図った乾燥運転が行なわれる。
Next, the operation of the drum type washing / drying machine having the above configuration will be described.
For example, as a well-known course, washing, rinsing, dehydration, and drying processes are automatically executed based on the control of the rotational speed of the drum 4 as is well known. It can be easily done from the front-upward inlet 1a. Among them, if it is too easy to wash, the drain valve 9 is closed and water is stored in the water tank 3 or the drum 4, but the circulation air passage 13 has an open communication at the upper part, so that so-called washing water does not enter. Further, when draining, the drain valve 9 is opened, but the drain valve 29 of the duct drain pipe 28 is in a closed state, so that it does not enter the circulation air passage 13. Further, in the drying process, the drain valve 29 is opened, and dry air for heating and drying clothes and the like is generated using a heat pump mechanism, and the dry air is drummed through the circulation air passage 13. A drying operation is performed so as to increase the efficiency of the heat energy by circulatingly supplying the fuel into the interior 4.
以下、更に乾燥行程につき詳述すると、図1においてドラム4は低速回転せられヒートポンプ機構により生成された乾燥風は、送風ファン21により循環風路13中を図中矢印方向に流れ、給気ダクト14を経てドラム4の前面開口から内方に円滑に供給される。この乾燥風は、内部の衣類等と接触し水分を奪う乾燥作用を行なった後、ドラム4および水槽3の後方の排気ダクト15を経て熱交換ダクト16に至り、ヒートポンプ機構により除湿され、そして加熱されて適正な乾燥風として再生され、ドラム4内への循環供給が繰り返し実行される。   Hereinafter, the drying process will be described in more detail. In FIG. 1, the drum 4 is rotated at a low speed, and the drying air generated by the heat pump mechanism flows in the circulation air passage 13 by the blower fan 21 in the direction of the arrow in the drawing, thereby supplying the air supply duct. 14 is smoothly supplied inward from the front opening of the drum 4. The drying air comes into contact with the clothes in the interior and the like to take away moisture, and then reaches the heat exchange duct 16 through the exhaust duct 15 at the rear of the drum 4 and the water tank 3, and is dehumidified by the heat pump mechanism and heated. Then, it is regenerated as an appropriate drying air, and the circulation supply into the drum 4 is repeatedly executed.
ここで、ヒートポンプ機構の熱交換作用につき改めて説明すると、凝縮器19では圧縮機18により冷媒が圧縮されて高温高圧の冷媒となり、熱交換ダクト16を流れる空気との間で熱交換がなされ、このとき空気は加熱されて乾燥風となる。しかる後、冷媒は図示しないキャピラリチューブを経て膨張し蒸発器20に供給され、乾燥に寄与した後の湿った空気と熱交換され蒸発する。このときの蒸発潜熱は、空気から与えられることから空気は冷却され、飽和蒸気量が少なくなり該空気中の過飽和蒸気が結露する。この結露した水は蒸発器20を伝って滴下し、所謂除湿水として水抜き口27からダクト排水管28、排水弁29、および主排水管12を経て機外に排出される。   Here, the heat exchange operation of the heat pump mechanism will be described again. In the condenser 19, the refrigerant is compressed by the compressor 18 to become a high-temperature and high-pressure refrigerant, and heat is exchanged with the air flowing through the heat exchange duct 16. Sometimes the air is heated to dry air. Thereafter, the refrigerant expands through a capillary tube (not shown), is supplied to the evaporator 20, and is evaporated by exchanging heat with wet air after contributing to drying. Since the latent heat of evaporation at this time is given from the air, the air is cooled, the amount of saturated steam is reduced, and the supersaturated steam in the air is condensed. The condensed water is dripped through the evaporator 20 and is discharged out of the apparatus as so-called dehumidified water through a drain port 27, a duct drain pipe 28, a drain valve 29, and a main drain pipe 12.
しかるに、特に洗いやすすぎ等では衣類等から糸屑などのリントが発生し易く、これが乾燥行程に至り遊離し乾燥風の流れに乗って浮遊する。ところが、熱交換ダクト16においてヒートポンプ機構の前段である上流側にリントフィルタ22を配設しているので、リントは該リントフィルタ22で捕獲され、これより先の蒸発器20や凝縮器19等が有する伝熱(放熱)フィン等に引っ掛かり風量低下などのおそれはない。このように、乾燥行程では乾燥風を循環供給しながら、空気中に浮遊したリントを捕獲する。   However, lint such as lint is easily generated from clothes or the like, especially when it is too easy to wash, and this leads to the drying process, which is released and floats on the flow of drying air. However, since the lint filter 22 is disposed upstream of the heat pump mechanism in the heat exchange duct 16, the lint is captured by the lint filter 22, and the evaporator 20, the condenser 19, and the like after this are captured. There is no risk of airflow drop due to the heat transfer (heat dissipation) fins. Thus, in the drying process, lint suspended in the air is captured while the drying air is circulated and supplied.
そして、本実施例では上記加熱乾燥の行程が終了する都度、リントの清掃行程が所定時間実行される。すなわち、この清掃行程では注水ノズル23によりリントフィルタ22の水洗いが自動的に実行されるもので、ヒートポンプ機構の動作停止はもとより送風ファン21も停止して所謂循環風路13内の送風作用を停止した状態で、給水弁ユニット25の注水管24側を開放作動して送水がなされ、注水ノズル23の開口部35上方からフィルタ面に沿って水膜状に噴射注水が行なわれる。   In this embodiment, the lint cleaning process is executed for a predetermined time each time the heating and drying process is completed. That is, in this cleaning process, the lint filter 22 is automatically washed with water by the water injection nozzle 23, and not only the operation of the heat pump mechanism is stopped, but also the blower fan 21 is stopped to stop the blowing action in the so-called circulation air passage 13. In this state, the water supply pipe unit 25 of the water supply valve unit 25 is opened to supply water, and water injection is performed from above the opening 35 of the water injection nozzle 23 in the form of a water film along the filter surface.
ところで、リントを捕獲するリントフィルタ面は、ワイヤ部材33を縦方向に張設したスリット状の細かい目とした形態にあるので、通常の格子状に構成されたフィルタ面のように異なる方向から絡みつく現象がなく、リントの絡まりも単純な引っ掛かり状態にある。このため、リントはワイヤ部材33と同方向の上方からの噴射注水によりワイヤ部材33から容易に外され下方に移動し、或いは落下して熱交換ダクト16内を水と共に流下し、水抜き口27からダクト排水管28、排水弁29、および主排水管12に至る。しかるに、この主排水管12には途中部位にフィルタ装置11を介挿しているので、ここで流出してきたリントが捕獲回収され、水のみが機外に排出される。   By the way, the lint filter surface for capturing lint is in the form of slit-shaped fine eyes in which the wire member 33 is stretched in the vertical direction, so that the lint filter surface is entangled from different directions like a normal lattice-shaped filter surface. There is no phenomenon, and the lint entanglement is in a simple catch state. For this reason, the lint is easily removed from the wire member 33 by jetting water from above in the same direction as the wire member 33 and moves downward, or falls and flows down in the heat exchange duct 16 together with water. To the duct drain pipe 28, the drain valve 29, and the main drain pipe 12. However, since the filter device 11 is inserted in the middle of the main drain pipe 12, the lint flowing out here is captured and recovered, and only water is discharged outside the apparatus.
なお、水洗い手段を加熱乾燥を行なう都度実行するので、リントが長期間に亘り大量に捕獲堆積した状態にて除去するに比し、少量のリントの絡まりを外すこととなり、その除去が容易にでき、それだけ確実にリントの清掃ができる点で有効である。また本実施例では、斯かる清掃行程が所定時間実行されると、注水停止とともに送風ファン21のみが駆動され、所謂送風のみの行程が実行され循環風路13内に送風される。この送風行程により、特に熱交換ダクト16内における水洗いに伴なう周辺の湿気を払拭し、黴や雑菌の繁殖を防止するに有効である。この場合、ヒートポンプ機構を動作させると、蒸発器20の周辺で結氷するおそれがあり、停止状態で送風運転のみで実行するのが好ましい。   In addition, since the washing means is executed every time heat drying is performed, the entanglement of a small amount of lint is removed compared to removing the lint in a state where a large amount of lint has been trapped and accumulated over a long period of time, and the removal can be facilitated. It is effective in that the lint can be surely cleaned. Further, in this embodiment, when such a cleaning process is executed for a predetermined time, only the blower fan 21 is driven together with the stop of water injection, and a so-called only air supply process is executed to blow air into the circulation air passage 13. This air blowing process is particularly effective in wiping away the surrounding moisture accompanying water washing in the heat exchange duct 16 and preventing the growth of soot and germs. In this case, when the heat pump mechanism is operated, there is a risk of icing around the evaporator 20, and it is preferable that the operation is performed only in a blowing operation in a stopped state.
そして、フィルタ装置11により捕獲回収されたリントは、機外からフィルタ部材30を適宜に挿脱して容易に取除くことができる。また、フィルタ部材30を挿脱するフィルタケース31は、主排水管12との接続部位から上方向に傾斜して機外たる筐体1の前面に開口しているので、排水系統の残水がフィルタ部材30を取り出した際等に飛び出すことがない。   The lint captured and recovered by the filter device 11 can be easily removed by appropriately inserting and removing the filter member 30 from the outside of the machine. Moreover, since the filter case 31 for inserting and removing the filter member 30 is inclined upward from the connection portion with the main drain pipe 12 and opens to the front surface of the casing 1 outside the machine, the residual water of the drainage system is It does not pop out when the filter member 30 is taken out.
上記第1実施例によれば、次のような効果を奏する。
洗濯行程等で発生したリントを、乾燥時における乾燥風が循環する循環風路13内で捕獲し、捕獲したリントフィルタ面に沿って注水してリントを洗い流すようにした。従って、従来のように広く拡散注水する必要もないので、その水洗い手段を構成する注水ノズル23も扁平小型化できるとともに、またこの注水手段をリントフィルタ面と対向位置で離間して設ける必要もないため、リントフィルタ22も含め全体にコンパクトな構成にてリントの捕獲および清掃を自動的にできる機能を備えた洗濯乾燥機を提供できる。
According to the first embodiment, the following effects can be obtained.
The lint generated in the washing process or the like was captured in the circulation air passage 13 through which the drying air circulated during drying, and water was poured along the captured lint filter surface to wash out the lint. Accordingly, since it is not necessary to diffuse and inject water widely as in the prior art, the water injection nozzle 23 constituting the water washing means can be made flat and small, and it is not necessary to provide this water injection means at a position facing the lint filter surface. Therefore, it is possible to provide a washing / drying machine having a function capable of automatically capturing and cleaning lint with a compact configuration as a whole including the lint filter 22.
このため、リントフィルタ22と共に水洗い手段は筐体1内の循環風路13やヒートポンプ機構等が配備された狭いスペースにも効果的に配設できるとともに、上記の如く捕獲したリントを自動的に清掃できるので、例えば取扱い上リントフィルタ22や水洗い手段等を筐体1の前面近くに設けたり、延いては洗濯乾燥機の設置場所に対しても制約を受けるなどの憂いもなく、本来の最適な場所に配置できてリントの捕獲性能も良好に維持でき、且つ設計的自由度も大きくて無理のない設計製造が可能となる。しかして、熱エネルギーの効率化を図るべき乾燥風をドラム4に循環供給する循環風路13を備えた構成の洗濯乾燥機に好適に採用できる。   For this reason, the water washing means together with the lint filter 22 can be effectively disposed in a narrow space where the circulating air passage 13 and the heat pump mechanism in the housing 1 are provided, and the lint captured as described above is automatically cleaned. Therefore, for example, the lint filter 22 and water washing means are provided near the front surface of the housing 1 for handling, and the installation location of the washing / drying machine is not restricted. It can be placed at a place, the lint capture performance can be maintained well, and the design and manufacturing can be carried out with great design flexibility. Thus, the present invention can be suitably employed in a washing / drying machine having a configuration including the circulation air passage 13 that circulates and supplies the drying air to the drum 4 to increase the efficiency of heat energy.
また、上記実施例では加熱乾燥を実行する都度、且つその終了に続いて水洗い手段を実行しリントの清掃を行なうようにした。こうすることにより、リントが大量にして堅く複雑に絡みつく以前に水洗いするので、ワイヤ部材33に捕獲されたリントを容易に外すことができ確実に水洗いできる点で有効である。しかも、ワイヤ部材33は細い線材を縦方向(上下方向)に張設した構成なので、これと同方向とするリントフィルタ面に沿った噴射注水により容易に除去できる。   Further, in the above embodiment, each time heat drying is performed, and subsequent to the completion of the drying, water washing means is executed to clean the lint. By doing so, the lint is washed in water before it becomes a large amount and is entangled tightly and intricately, so that it is effective in that the lint captured by the wire member 33 can be easily removed and can be reliably washed with water. Moreover, since the wire member 33 has a structure in which a thin wire is stretched in the vertical direction (vertical direction), it can be easily removed by spray water injection along the lint filter surface in the same direction.
そして、上記水洗いは送風を停止した状態で行なうので、水の飛沫やリントが下流側に流れたり、リントが外れ難いといった事態を回避できる。また、この水洗いされたリントは、水と共に機外に排出される前段に機外から挿脱可能に清掃ができるフィルタ装置11にて捕獲回収可能としたので、排水場所を詰まらせたり汚したりするおそれがない。
更に上記実施例では、水洗い手段による清掃行程を終了後、送風ファン21による送風運転のみを実行するようにしたので、注水による周辺の湿気を払拭して乾燥させることができ、黴や雑菌の発生を抑え衛生的に維持できる。
And since the said water washing is performed in the state which stopped ventilation, the situation where the splash of water or lint flows downstream or it is hard to remove lint can be avoided. In addition, the washed lint can be captured and collected by the filter device 11 that can be removed from the outside of the machine before being discharged out of the machine together with water, so that the drainage place is clogged or soiled. There is no fear.
Furthermore, in the above embodiment, only the air blowing operation by the blower fan 21 is performed after the cleaning process by the water washing means is completed, so that the surrounding moisture due to the water injection can be wiped and dried, and generation of soot and germs Can be kept hygienic.
なお、上記実施例ではリントの水洗い手段は常に加熱乾燥の終了後に実行し、且つ上記した利点を有するが、これに限らず、例えば加熱乾燥の行程途中に付加した制御としてもよく、この場合、リントが多量に発生しても風量の低下もなく、リントの捕獲と清掃が確実に行なえる利点を有する。また、リントフィルタ22は細いワイヤ部材33を縦方向に張設したが、補強のために横桟を設けて支持する構成としてもよい。但し、横桟が多くなるとリントが複雑に絡まるなどして外れ難くなるので、横桟は極力少なくして縦方向を主体とした捕獲用のフィルタ面を構成するのが望ましい。   In the above embodiment, the lint washing means is always executed after completion of heating and drying, and has the above-described advantages, but is not limited thereto, and may be, for example, control added during the heating and drying process. Even if a large amount of lint occurs, there is no reduction in the air volume, and there is an advantage that lint can be captured and cleaned reliably. Further, although the lint filter 22 has the thin wire member 33 stretched in the vertical direction, a configuration may be adopted in which a horizontal rail is provided and supported for reinforcement. However, as the horizontal bars increase, the lint becomes difficult to come off due to complicated entanglements. Therefore, it is desirable that the horizontal bars be reduced as much as possible to form a filter surface for capturing mainly in the vertical direction.
その他、図1において槽排水管10に設けた排水弁9は、フィルタ装置11より下流側に位置して主排水管12に設けてもよい。この場合、槽排水管10から洗いやすすぎなどで生じた一部のリントが排水とともに流出することになるが、フィルタ装置11にてリントが捕獲された後、該排水弁9を経て機外に排水されるので、排水弁9にリントが詰まるおそれを回避できる。また、本実施例における循環風路13を流れる乾燥風は、ドラム4の前面の大きな開口を利用して効率よく循環供給できる点で有効であるが、反矢印方向の流れとして乾燥風をドラム4の背部から供給するように変更して実施することも可能である。   In addition, the drain valve 9 provided in the tank drain pipe 10 in FIG. 1 may be provided in the main drain pipe 12 at a position downstream of the filter device 11. In this case, part of the lint generated from the tank drain pipe 10 due to easy washing or the like flows out together with the drainage, but after the lint is captured by the filter device 11, it passes through the drain valve 9 and goes out of the machine. Since the water is drained, it is possible to avoid the possibility that the drain valve 9 is clogged with lint. In addition, the dry air flowing through the circulation air passage 13 in this embodiment is effective in that it can be efficiently circulated and supplied using a large opening on the front surface of the drum 4. It is also possible to carry out by changing the supply from the back of the.
(変形例)
上記実施例に対し、図7は変形例を示すもので、特には上記リントフィルタ22に代えて異なる構成のリントフィルタ36を採用したもので、他の構成は上記実施例と共通である。その図7(a)は、全体の斜視図であるのに対し、同図(b)は同図(a)のA−A線に沿って切断して示す断面図で、図示するように該リントフィルタ36の外郭も矩形状の枠部37により形成され、その上流側に面してフィルタ面となすワイヤ部材38が設けられた構成としている。
(Modification)
FIG. 7 shows a modification of the above embodiment. In particular, a lint filter 36 having a different configuration is employed instead of the lint filter 22, and the other configurations are the same as the above embodiment. 7 (a) is a perspective view of the whole, whereas FIG. 7 (b) is a cross-sectional view taken along the line AA in FIG. 7 (a). The outer contour of the lint filter 36 is also formed by a rectangular frame portion 37, and is provided with a wire member 38 that faces the upstream side and serves as a filter surface.
このワイヤ部材38は、上記実施例と同様に縦方向に多数配列されていて、具体的には各ワイヤ部材38の上端部を上枠部37bにモールド成形或いは溶着手段等により固着し、下端部を自由状態とした所謂上端部を片持ち支持して下端部をそのまま垂下した状態の構成としたものである。但し、ワイヤ部材38は上記実施例の線材より強靭な例えば金属線にて形成され、容易に塑性変形しない剛性を備えたものとしている。そして、ワイヤ部材38の下端部である自由端部は下枠部37aとは離間した状態に保持されるように、該下枠部37aは同図(b)に示す断面形状から理解できるように上下左右とも上枠部37bのほぼ半分にして、上流側に面する部位においてワイヤ部材38と隙間Sを確保した構成にある。   A large number of the wire members 38 are arranged in the vertical direction as in the above-described embodiment. Specifically, the upper end portions of the wire members 38 are fixed to the upper frame portion 37b by molding or welding means, and the lower end portions. The so-called upper end in a free state is cantilevered and the lower end is suspended as it is. However, the wire member 38 is formed of, for example, a metal wire that is tougher than the wire rod of the above embodiment, and has rigidity that does not easily cause plastic deformation. The lower frame portion 37a can be understood from the cross-sectional shape shown in FIG. 5B so that the free end portion, which is the lower end portion of the wire member 38, is held in a state of being separated from the lower frame portion 37a. The upper, lower, left, and right sides are substantially half of the upper frame portion 37b, and the wire member 38 and the gap S are secured in the portion facing the upstream side.
しかして、この構成によれば上記実施例の作用効果に加え、片持ち支持されたワイヤ部材38の垂下した自由端部は、最も近接した下枠部37aとも隙間Sを有して離間しているので、ワイヤ部材38に捕獲されたリントは特にその下端部から容易に除去できる。従って、このリント捕獲面であるフィルタ面に沿って注水ノズル23から噴射注水されることによって、直ちに離脱するリントに加えて全体に下方に移動する傾向が強いリントが自由端部から抜けるように外される。また、このように下方のリントが離脱すれば上部のリントも外れ易くなり、一層リントの除去性能が向上し清掃が確実に行なわれる点で有利である。   Thus, according to this configuration, in addition to the operational effects of the above embodiment, the suspended free end of the cantilevered wire member 38 is separated from the nearest lower frame portion 37a with a gap S therebetween. Therefore, the lint captured by the wire member 38 can be easily removed particularly from its lower end. Therefore, by spraying water from the water injection nozzle 23 along the filter surface, which is the lint capturing surface, the lint that tends to move downward in addition to the lint that immediately leaves is removed so that the lint that tends to move downward is removed from the free end. Is done. Further, if the lower lint is detached in this way, the upper lint is easily detached, which is advantageous in that the lint removal performance is further improved and the cleaning is performed reliably.
(第2の実施の形態)
図8,9は本発明の第2実施例を示したもので、上記実施例と実質的に同一部分には同一符号を付して説明を省略し、異なる部分につき説明する。
図8は図1相当図で、図9は要部たる蒸発器20の拡大斜視図で、このものは上記第1実施例に対し蒸発器20にも噴射注水してリントの除去を可能とした水洗い手段を付加したことを特徴とするものである。すなわち、図8に示すように熱交換ダクト16において、蒸発器20の上流側に対してもリントフィルタ22の注水ノズル23と同様の注水ノズル39を設けた構成にある。
(Second Embodiment)
FIGS. 8 and 9 show a second embodiment of the present invention. The substantially same parts as those of the above-mentioned embodiment are denoted by the same reference numerals and the description thereof is omitted, and different parts will be described.
FIG. 8 is a view corresponding to FIG. 1, and FIG. 9 is an enlarged perspective view of the evaporator 20, which is a main part. It is characterized by the addition of water washing means. That is, as shown in FIG. 8, the heat exchange duct 16 is provided with a water injection nozzle 39 similar to the water injection nozzle 23 of the lint filter 22 on the upstream side of the evaporator 20.
しかして、この注水ノズル39には、前記注水管24から分岐した他の注水管40が接続され、同様に給水弁ユニット25により給水制御される。ところで、蒸発器20の基本的構成としては、図9に拡大して示すように一般的に周知の如く放熱用の多数のフィン41と冷媒用のチューブ42とを交差状態に構成してなるもので、その縦列状態の多数のフィン40による上流側端面20aにもリントが付着するおそれがある。それは、前段に位置する前記リントフィルタ22のワイヤ部材33によるスリット状の目(所謂ピッチ)を細かくするほど、リントの捕獲性能は向上するが、風量が低下するため適正な風量を得るには相当に大きな通路(熱交換ダクト16)を必要とするなど、実現化するには多くの難問を有する。   Thus, another water injection pipe 40 branched from the water injection pipe 24 is connected to the water injection nozzle 39, and water supply is controlled by the water supply valve unit 25 in the same manner. By the way, as a basic configuration of the evaporator 20, as shown in an enlarged view in FIG. 9, as is generally known, a large number of heat radiation fins 41 and a refrigerant tube 42 are configured in an intersecting state. Thus, there is a possibility that lint may also adhere to the upstream end surface 20a due to the large number of fins 40 in the column state. As the slit-like eyes (so-called pitch) by the wire member 33 of the lint filter 22 located in the preceding stage are made finer, the lint capturing performance is improved, but the air volume is lowered, so that an appropriate air volume is obtained. However, there are many problems to realize such as requiring a large passage (heat exchange duct 16).
そこで、適正な風量を確保し得るスリット状の目とした場合、一部小さなリントが該リントフィルタ22に捕獲されないで通過することが想定される。この場合、通過したリントは多数のフィン41有する蒸発器20の上流側端面20aに引っ掛かることが予測される。従って、前記注水ノズル23を蒸発器20の上流側端面20aに沿って、その上方から噴射注水することで、蒸発器20のフィン41に引っ掛かったリントを水洗いにて容易に除去できる。この洗い流されたリントは、リントフィルタ22の下方を通り抜け水抜き口27からダクト排水管28を経て機外に排出される。但し、この蒸発器20に対する水洗い手段としては、その上面も並列したフィン41で構成されるので、上流側端面20aから若干内方に及ぶ範囲に亘り噴射注水してもリント除去に有効である。   Therefore, when the slit-shaped eyes can secure an appropriate air volume, it is assumed that a part of small lint passes without being captured by the lint filter 22. In this case, it is predicted that the lint that has passed passes through the upstream end face 20a of the evaporator 20 having a large number of fins 41. Therefore, lint caught on the fins 41 of the evaporator 20 can be easily removed by washing with water by spraying water from above the water injection nozzle 23 along the upstream end surface 20a of the evaporator 20. This washed lint passes through the lower part of the lint filter 22 and is discharged from the drainage port 27 through the duct drain pipe 28 to the outside. However, as the water washing means for the evaporator 20, the upper surface thereof is also constituted by the fins 41 arranged in parallel, so that even if water is sprayed over a range extending slightly inward from the upstream end surface 20a, it is effective for removing lint.
なお、図8において、図1の2個の排水弁9,29に対し1個の排水弁43を槽排水管10とダクト排水管28との合流点に設けている点で異なるが、この排水弁43は2連式の弁機構を備えたもので、槽排水管10およびダクト排水管28を夫々単独に開閉制御可能としたもので、結果的に上記実施例の2個の排水弁9,29を個々に備えた構成と同様の機能を有する。また、本実施例では主排水管12を直接機外に導出した配管構成としているが、上記実施例にて開示したフィルタ装置11を介在した構成とすることも何ら問題なく実施できる。   8 differs from the two drain valves 9 and 29 in FIG. 1 in that one drain valve 43 is provided at the junction of the tank drain pipe 10 and the duct drain pipe 28. The valve 43 is provided with a double valve mechanism, and the tank drain pipe 10 and the duct drain pipe 28 can be individually controlled to open and close. As a result, the two drain valves 9, It has the same function as the structure provided with 29 individually. In the present embodiment, the main drain pipe 12 is directly connected to the outside of the machine. However, it is possible to implement the structure with the filter device 11 disclosed in the above-described embodiment without any problems.
しかして、この構成によれば上記実施例の作用効果に加え、リントフィルタ22で捕獲できなかったリントが下流の蒸発器20に引っ掛かった場合、他の水洗い手段としてその上流側端面20aに沿って上方から噴射注水する注水ノズル39を設けたので、縦列は位置のフィン41に引っ掛かったリントを水洗いにより速やかに除去することができる。しかも、上記実施例と同様の扁平な注水ノズル39を採用して上方から注水する構成なので、斯かる水洗い手段もコンパクトに提供できとともに、リントフィルタ22の水洗い手段と並設することもスペース的に問題なく容易に設置できる。   Thus, according to this configuration, in addition to the operational effects of the above-described embodiment, when lint that could not be captured by the lint filter 22 is caught by the downstream evaporator 20, along the upstream end face 20 a as another water washing means. Since the water injection nozzle 39 for injecting water from above is provided, the column can quickly remove lint caught on the fin 41 at the position by washing with water. And since it is the structure which employs the flat water injection nozzle 39 similar to the said Example and injects water from upper direction, such a water washing means can be provided compactly and it can also be arranged in parallel with the water washing means of the lint filter 22 in space. Easy installation without problems.
斯くして、リント全体に対する捕獲性能および清掃性能は向上し、更には蒸発器20へのリント詰りも解消できるので、フィン41やチューブ42間を通り抜ける風量の低下も防止できるなどの著効を有する。但し、蒸発器20に対する他の水洗い手段は、特に大きな制限もないので、広く噴射注水する他の構成の注水ノズルの構成としてもよい。   Thus, the capture performance and cleaning performance for the entire lint can be improved, and furthermore, lint clogging into the evaporator 20 can be eliminated, so that it is possible to prevent a decrease in the air volume passing between the fins 41 and the tubes 42. . However, the other water washing means for the evaporator 20 is not particularly limited, and may have a configuration of a water injection nozzle having another configuration for widely spraying water.
なお、本発明は上記し且つ図面に示した各実施例に限定されることなく、例えば洗濯槽として横軸周りのドラムに限らず、縦軸周りの洗濯槽を備えた洗濯乾燥機でも採用できる。また、循環風路の具体構成や乾燥風などの循環空気の流れ方向と、これに伴うヒートポンプ機構の配置構成など、実施に際して本発明の要旨を逸脱しない範囲で具体的に種々変更して実施できるものである。   The present invention is not limited to the embodiments described above and shown in the drawings. For example, the washing tub is not limited to the drum around the horizontal axis, and can be adopted in a washing / drying machine having a washing tub around the vertical axis. . In addition, the specific configuration of the circulating air passage, the flow direction of the circulating air such as dry air, and the arrangement configuration of the heat pump mechanism associated therewith, etc. can be implemented with various modifications without departing from the scope of the present invention. Is.
本発明の第1実施例のドラム式洗濯乾燥機の全体構成を示す縦断側面図1 is a longitudinal side view showing an overall configuration of a drum-type washing / drying machine according to a first embodiment of the present invention. リントフィルタの斜視図Perspective view of lint filter リントフィルタの要部の拡大斜視図Enlarged perspective view of the main part of the lint filter 要部の拡大断面図Enlarged sectional view of the main part 注水ノズルの拡大斜視図Enlarged perspective view of water injection nozzle 注水ノズルの拡大断面図Enlarged sectional view of water injection nozzle 変形例を示すリントフィルタの(a)斜視図、および(b)断面図(A) perspective view and (b) cross-sectional view of a lint filter showing a modification 本発明の第2実施例を示す図1相当図FIG. 1 equivalent view showing a second embodiment of the present invention. 蒸発器の拡大斜視図Enlarged perspective view of the evaporator
符号の説明Explanation of symbols
図面中、1は筐体、3は水槽、4はドラム、10は槽排水管、11はフィルタ装置、12は主排水管、13は循環風路、14は給気ダクト、15は排気ダクト、16は熱交換ダクト、18は圧縮機、19は凝縮器、20は蒸発器、21は送風ファン、22,36はリントフィルタ、23は注水ノズル、40はフィンおよび41チューブを示す。   In the drawings, 1 is a housing, 3 is a water tank, 4 is a drum, 10 is a tank drain pipe, 11 is a filter device, 12 is a main drain pipe, 13 is a circulation air passage, 14 is an air supply duct, 15 is an exhaust duct, 16 is a heat exchange duct, 18 is a compressor, 19 is a condenser, 20 is an evaporator, 21 is a blower fan, 22 and 36 are lint filters, 23 is a water injection nozzle, 40 is a fin and a 41 tube.

Claims (6)

  1. 衣類等の洗濯および乾燥を行なう洗濯槽を備え、乾燥行程時には途中に圧縮機、蒸発器、凝縮器等からなるヒートポンプ機構、および送風ファンを介在した循環風路を経て前記洗濯槽に乾燥風を循環供給する構成としたものにおいて、
    前記循環風路中にあって前記蒸発器の上流側にリントフィルタを設けるとともに、このリントフィルタに捕獲されたリントを洗い流す水洗い手段を備え、該水洗い手段は上方から前記リントフィルタ面に沿って注水する構成としたことを特徴とする洗濯乾燥機。
    A washing tub for washing and drying clothes and the like is provided, and in the course of the drying process, the washing tub is supplied with a drying air through a circulation air passage with a heat pump mechanism including a compressor, an evaporator, a condenser, etc. In what is configured to circulate,
    A lint filter is provided on the upstream side of the evaporator in the circulation air passage, and is provided with water washing means for washing out lint captured by the lint filter, and the water washing means injects water along the lint filter surface from above. A washer-dryer characterized in that it is configured to perform.
  2. 蒸発器に対する他の水洗い手段を備え、この水洗い手段は該蒸発器の上流側端面に沿って上方から注水する構成としたことを特徴とする請求項1記載の洗濯乾燥機。   2. The washing / drying machine according to claim 1, further comprising another water washing means for the evaporator, wherein the water washing means is configured to inject water from above along the upstream end face of the evaporator.
  3. 水洗い手段は、加熱乾燥の終了後に実行することを特徴とする請求項1または2記載の洗濯乾燥機。   The washing / drying machine according to claim 1 or 2, wherein the water washing means is executed after the heat drying.
  4. 水洗い手段は、循環風路の送風を停止した状態で実行することを特徴とする請求項1ないし3のいずれかに記載の洗濯乾燥機。   The washing / drying machine according to any one of claims 1 to 3, wherein the water washing means is executed in a state in which the ventilation of the circulation air passage is stopped.
  5. 水洗いした水を機外に排水する前段に、その排水中からリントを捕獲するためのフィルタ装置を設けたことを特徴とする請求項1ないし4のいずれかに記載の洗濯乾燥機。   The washing and drying machine according to any one of claims 1 to 4, wherein a filter device for capturing lint from the drainage is provided before draining the washed water out of the machine.
  6. 水洗い手段の実行後に、循環風路中を送風する行程を設けたことを特徴とする請求項1ないし5のいずれかに記載の洗濯乾燥機。

    The washing and drying machine according to any one of claims 1 to 5, further comprising a step of blowing air through the circulation air passage after the water washing means is executed.

JP2005001438A 2005-01-06 2005-01-06 Washing/drying machine Granted JP2006187449A (en)

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