JP2012217709A - Washing machine - Google Patents

Washing machine Download PDF

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Publication number
JP2012217709A
JP2012217709A JP2011088172A JP2011088172A JP2012217709A JP 2012217709 A JP2012217709 A JP 2012217709A JP 2011088172 A JP2011088172 A JP 2011088172A JP 2011088172 A JP2011088172 A JP 2011088172A JP 2012217709 A JP2012217709 A JP 2012217709A
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Prior art keywords
water
bath water
photocatalyst
washing machine
bath
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JP2011088172A
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JP6143412B2 (en
Inventor
Tsutomu Hatayama
勉 畑山
Kenji Kojima
健司 小嶋
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Toshiba Corp
Toshiba Lifestyle Products and Services Corp
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Toshiba Corp
Toshiba Consumer Electronics Holdings Corp
Toshiba Home Appliances Corp
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Priority to JP2011088172A priority Critical patent/JP6143412B2/en
Priority to PCT/JP2012/054249 priority patent/WO2012140956A1/en
Priority to CN201280017722.7A priority patent/CN103459706B/en
Publication of JP2012217709A publication Critical patent/JP2012217709A/en
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C02F1/325—Irradiation devices or lamp constructions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3223—Single elongated lamp located on the central axis of a turbular reactor
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/088—Liquid supply arrangements

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  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Water Treatments (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Catalysts (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

PROBLEM TO BE SOLVED: To sufficiently purify bath water.SOLUTION: In a washing machine provided with a bath water supply passage and a bath water pump for supplying bath water to the inside of a washing tub through the bath water supply passage, a water-purifying device 11 is provided at the bath water supply passage, which is provided with a photocatalyst 19 that is long in a water-flowing direction and passes water therein, and an ultraviolet ray lamp 20 that irradiates the photocatalyst 19 and water passing in the photocatalyst 19 with ultraviolet rays.

Description

本発明の実施形態は洗濯機に関する。   Embodiments described herein relate generally to a washing machine.

従来より、風呂水を洗濯用水として利用することにより、節水を図ることがなされている。又、風呂水は水温が高い場合、洗浄性能が向上することも知られており、省エネにもなる。このような観点から、洗濯機においては、風呂水供給機能を有するものが供されている。   Conventionally, water has been saved by using bath water as washing water. In addition, it is known that bath water has higher cleaning performance when the water temperature is high, which also saves energy. From such a viewpoint, some washing machines have a bath water supply function.

洗濯機における風呂水供給機能は、風呂水供給路と風呂水ポンプとを具え、風呂水ポンプを作動させることにより、風呂水を浴槽内から風呂水供給路を通じて洗濯槽の内部に供給するようになっている。又、このものの場合、風呂水供給路の、浴槽内の風呂水中に浸漬される先端部には、フィルタが設けられ、それによって風呂水に含まれる人体の垢や毛髪等の不純物を捕獲するようになっている（例えば特許文献１参照）。   The bath water supply function in the washing machine is provided with a bath water supply path and a bath water pump, and by operating the bath water pump, bath water is supplied from the bathtub to the inside of the washing tub through the bath water supply path. It has become. In this case, a filter is provided at the tip of the bath water supply channel that is immersed in the bath water in the bathtub so as to capture impurities such as human body dirt and hair contained in the bath water. (See, for example, Patent Document 1).

特開２００５−１５２２１２号公報JP 2005-152212 A

上述の風呂水供給路の先端部に設けられたフィルタは、目が粗いものであり、風呂水に含まれた人体の垢や毛髪等の不純物は捕獲できても、風呂水中に繁殖した雑菌等の微細な不純物は捕獲できないものである。この雑菌等が含まれる風呂水で洗濯をしても、洗濯物には雑菌が付着し、特に部屋干ししたときに不快な臭いが発生したり、清潔感が損ねられたりするという問題点を有する。このため、具わった風呂水供給機能も、使用されない場合が多いのが実情である。   The filter provided at the tip of the bath water supply channel described above has rough eyes, and even if impurities such as human body stains and hair contained in the bath water can be captured, germs propagated in the bath water, etc. These fine impurities cannot be captured. Even if you wash in bath water that contains these germs etc., germs may adhere to the laundry, causing unpleasant odors especially when the room is dried, and the cleanliness may be impaired. . For this reason, the actual bath water supply function is often not used.

なお、上記特許文献１には、風呂水供給路中に光触媒フィルタを設け、この光触媒フィルタを囲むようにして風呂水供給路外に光放射装置を設ける技術が併せて記載されている。しかしながら、このものの光触媒フィルタは、例えば酸化チタンを混合したセラミックにより多孔質状に形成した、とだけあって、それ以外の詳細な点は不明であり、光放射装置も、特には紫外線を放射して当てることにより光触媒フィルタの再生に供する、とあるものの、風呂水供給路の外部から風呂水供給路内部の光触媒フィルタに紫外線をどのように及ぼさせるのか不明なものである。   Patent Document 1 also describes a technique in which a photocatalytic filter is provided in the bath water supply path, and a light emitting device is provided outside the bath water supply path so as to surround the photocatalytic filter. However, this photocatalytic filter is formed in a porous shape by, for example, a ceramic mixed with titanium oxide, and other details are unclear. The light emitting device also emits ultraviolet rays in particular. However, it is unclear how ultraviolet rays are applied to the photocatalyst filter inside the bath water supply channel from outside the bath water supply channel.

そこで、風呂水の浄化が充分にできる洗濯機を提供する。   Therefore, a washing machine that can sufficiently purify bath water is provided.

本実施形態の洗濯機においては、風呂水供給路を具えると共に、その風呂水供給路を通じて風呂水を洗濯槽の内部に供給する風呂水ポンプを具える洗濯機において、前記風呂水供給路に、水の流れる方向に長尺でその水を通す光触媒と、この光触媒並びにその光触媒を通る水に紫外光を照射する紫外線ランプとを具える浄水装置を設けたことを特徴とする。   In the washing machine of the present embodiment, the bath water supply path is provided in the washing machine including a bath water supply path and a bath water pump that supplies bath water to the inside of the washing tub through the bath water supply path. The water purifier is provided with a photocatalyst that is long in the direction of water flow and that passes the water, and an ultraviolet lamp that irradiates the photocatalyst and water passing through the photocatalyst with ultraviolet light.

第１の実施形態を示す主要部分の縦断面図The longitudinal cross-sectional view of the principal part which shows 1st Embodiment 洗濯機全体の斜視図Perspective view of the entire washing machine 洗濯機上部の、一部を破断した背面図Rear view of the upper part of the washing machine with a part broken away 主要部分の分解斜視図Exploded perspective view of main parts 第２の実施形態を示す図１相当図FIG. 1 equivalent diagram showing the second embodiment 第３の実施形態を示す図４相当図FIG. 4 equivalent view showing the third embodiment

以下、第１の実施形態につき、図１ないし図４を参照して説明する。
まず、図２には、洗濯機の外観を示しており、外箱１とこれの最上部に被着したトップカバー２とで全体の外殻３を構成している。トップカバー２の前部には操作パネル４を設けており、それより後側に蓋５を設けている。又、トップカバー２の後部は、バックパネル６で構成しており、このバックパネル６に給水ホース接続口７と風呂水ホース接続口８とを設けている。そのうち、給水ホース接続口７には図示しない給水ホースが接続され、水道の蛇口から水道水が供給されるようになっている。 The first embodiment will be described below with reference to FIGS.
First, FIG. 2 shows the appearance of the washing machine, and the outer case 1 and the top cover 2 attached to the uppermost part of the outer case 1 constitute the entire outer shell 3. An operation panel 4 is provided at the front portion of the top cover 2, and a lid 5 is provided on the rear side thereof. The rear portion of the top cover 2 is constituted by a back panel 6, and a water supply hose connection port 7 and a bath water hose connection port 8 are provided on the back panel 6. Among them, a water supply hose (not shown) is connected to the water supply hose connection port 7 so that tap water is supplied from a water tap.

一方、風呂水ホース接続口８には、風呂水ホース９が接続され、この風呂水ホース９の先端部にはフィルタ１０を設けている。このフィルタ１０は、目が比較的粗いものであり、風呂水に含まれる人体の垢や毛髪等の不純物を捕獲できるようになっている。   On the other hand, a bath water hose 9 is connected to the bath water hose connection port 8, and a filter 10 is provided at the tip of the bath water hose 9. The filter 10 has a relatively coarse eye and can capture impurities such as human body dirt and hair contained in bath water.

トップカバー２の内部であるバックパネル６の内部には、図３に示すように、浄水装置１１と風呂水ポンプ１２及び注水ケース１３を配設している。このうち、浄水装置１１は、詳細には図１に示すように、タンク１４を主体として有しており、このタンク１４は、一端部（図で右側の端部）が開口した有底円筒状のタンク本体１４ａと、このタンク本体１４ａの開口部を閉塞したタンク蓋１４ｂとから成っている。そのうち、タンク本体１４ａの一端部の上部、中でも最上部に入水口１５を形成しており、この入水口１５を切換弁１６の一方の出口１６ａに接続している。なお、タンク１４は、全体として、横寸法（軸方向長さ）が縦寸法（径方向長さ）よりも大きな横長形を成しており、浄水装置１１全体としても横長形を成している。   As shown in FIG. 3, a water purifier 11, a bath water pump 12, and a water injection case 13 are arranged inside the back panel 6, which is the inside of the top cover 2. Among these, the water purification apparatus 11 has the tank 14 as a main body, as shown in detail in FIG. 1, and the tank 14 has a bottomed cylindrical shape with one end (the right end in the figure) opened. The tank main body 14a and the tank lid 14b with the opening of the tank main body 14a closed. Among them, a water inlet 15 is formed in the upper part of one end of the tank main body 14 a, especially the uppermost part, and this water inlet 15 is connected to one outlet 16 a of the switching valve 16. In addition, as for the tank 14, the horizontal dimension (axial direction length) has comprised the horizontally long shape larger than a vertical dimension (diameter direction length) as a whole, and the water purification apparatus 11 whole has also formed a horizontally long shape. .

切換弁１６は、上記一方の出口１６ａのほかに他方の出口１６ｂを有すると共に、それらの出口１６ａ，１６ｂに共通の入口１６ｃを有するもので、その入口１６ｃに対して一方の出口１６ａ及び他方の出口１６ｂの選択開放（開放切換え）を行うようになっている。この切換弁１６の入口１６ｃを前記風呂水ホース接続口８に接続している。   The switching valve 16 has the other outlet 16b in addition to the one outlet 16a, and has a common inlet 16c for the outlets 16a and 16b, and the outlet 16a and the other outlet 16a are connected to the inlet 16c. The outlet 16b is selectively opened (open switching). An inlet 16 c of the switching valve 16 is connected to the bath water hose connection port 8.

タンク本体１４ａの他端部（図で左側の端部）の上部、中でも最上部には、出水口１７を有しており、この出水口１７を逆止弁１８の一方の入口１８ａに接続している。逆止弁１８は、一方の入口１８ａのほかに他方の入口１８ｂを有すると共に、それらの入口１８ａ，１８ｂに共通の出口１８ｃを有するもので、その出口１８ｃに対して一方の入口１８ａ及び他方の入口１８ｂからの通水を許容し、反対の、出口１８ｃから一方の入口１８ａ及び他方の入口１８ｂへの通水、並びに他方の入口１８ｂから一方の入口１８ａへの通水を阻止するようになっている。   A water outlet 17 is provided at the upper part of the other end (the left end in the figure) of the tank main body 14 a, particularly the uppermost part, and this water outlet 17 is connected to one inlet 18 a of the check valve 18. ing. The check valve 18 has the other inlet 18b in addition to the one inlet 18a, and has a common outlet 18c for the inlets 18a and 18b. The inlet 18a and the other inlet 18c are connected to the outlet 18c. It allows water to flow from the inlet 18b and blocks water flow from the outlet 18c to the one inlet 18a and the other inlet 18b, and from the other inlet 18b to the one inlet 18a. ing.

タンク１４の内部には、光触媒１９と紫外線ランプ２０とを配設している。そのうち、光触媒１９は、この場合、図４に示すように、タンク本体１４ａの形状にならって円筒状を成し、中でも、横寸法（軸方向長さ）が縦寸法（径方向長さ）よりも大きくて、タンク１４内を流れる水の流れ方向に長尺な円筒状を成し、それを、この場合、セラミックで多孔質（連続気泡）に形成した基体に、酸化チタンのコーティングを施して形成しており、この光触媒１９をタンク本体１４ａの内部には、図１に示すように、光触媒１９の径方向の外周面がタンク１４の内周面と密接するように挿入している。但し、タンク１４の前記入水口１５側の端部（タンク蓋１４ｂ）及び出水口１７側の端部、すなわち軸方向の両端部に対しては、光触媒１９との間にそれぞれ間隙２１，２２を余している。   A photocatalyst 19 and an ultraviolet lamp 20 are arranged inside the tank 14. In this case, the photocatalyst 19 has a cylindrical shape in accordance with the shape of the tank body 14a in this case as shown in FIG. 4. Among these, the lateral dimension (axial length) is greater than the longitudinal dimension (radial length). This is a large cylinder that is elongated in the direction of the water flowing in the tank 14. In this case, a titanium oxide coating is applied to a porous body (open cell) made of ceramic. As shown in FIG. 1, the photocatalyst 19 is inserted into the tank body 14 a so that the radially outer peripheral surface of the photocatalyst 19 is in close contact with the inner peripheral surface of the tank 14. However, gaps 21 and 22 are provided between the end of the tank 14 on the water inlet 15 side (tank lid 14b) and the end of the water outlet 17 side, that is, both ends in the axial direction, with the photocatalyst 19, respectively. There is a surplus.

紫外線ランプ２０は、発光管２０ａをそれより大きな石英ガラス管２０ｂで覆って成るもので、前記タンク蓋１４ｂの中央部に形成した挿脱口２３から上記光触媒１９の内部に、石英ガラス管２０ｂの径方向の外周面が光触媒１９の内周面と密接するように、そして、先端部は光触媒１９から突出しないように挿入している。なお、紫外線ランプ２０の口金部２０ｃ及び給電線２０ｄはタンク蓋１４ｂ外に残している。   The ultraviolet lamp 20 is formed by covering the arc tube 20a with a larger quartz glass tube 20b, and the diameter of the quartz glass tube 20b is inserted into the photocatalyst 19 from the insertion / removal port 23 formed in the center of the tank lid 14b. The outer peripheral surface in the direction is inserted in close contact with the inner peripheral surface of the photocatalyst 19, and the tip portion is inserted so as not to protrude from the photocatalyst 19. The cap portion 20c and the power supply line 20d of the ultraviolet lamp 20 are left outside the tank lid 14b.

このほか、タンク本体１４ａの出水口１７側の上部には、水位検知器２４を設置している。この水位検知器２４は、例えば一対の電極２４ａを有して成るもので、その電極２４ａがタンク本体１４内に位置し、該電極２４ａ間がタンク本体１４の水に浸漬されたときに導通してタンク１４の上部の水位を検知する水位検知手段として機能するようになっており、洗濯機はその水位の検知に基づいて前記紫外線ランプ２０を点灯させるようになっている。   In addition, a water level detector 24 is installed on the upper part of the tank body 14a on the outlet 17 side. The water level detector 24 includes, for example, a pair of electrodes 24a. The electrode 24a is located in the tank body 14, and is electrically connected when the electrode 24a is immersed in the water of the tank body 14. Thus, it functions as a water level detection means for detecting the water level at the upper part of the tank 14, and the washing machine lights up the ultraviolet lamp 20 based on the detection of the water level.

そして、前記切換弁１６の他方の出口１６ｂは、バイパスホース２５を介して、前記逆止弁１８の他方の入口１８ｂに接続している。又、逆止弁１８の出口１８ｃは、図３に示すように、接続ホース２６を介して、前記風呂水ポンプ１２の吸水口１２ａに接続している。そして、風呂水ポンプ１２の吐出口１２ｂを、接続ホース２７を介して、前記注水ケース１３の風呂水入口１３ａに接続している。注水ケース１３は、風呂水入口１３ａのほかに、図示しない水道水入口を有しており、この水道水入口に、前記バックパネル６内において前記給水ホース接続口７に接続した給水弁（これも図示せず）の出口を接続している。   The other outlet 16 b of the switching valve 16 is connected to the other inlet 18 b of the check valve 18 via a bypass hose 25. Further, the outlet 18c of the check valve 18 is connected to the water inlet 12a of the bath water pump 12 via a connection hose 26 as shown in FIG. The discharge port 12 b of the bath water pump 12 is connected to the bath water inlet 13 a of the water injection case 13 via a connection hose 27. The water injection case 13 has a tap water inlet (not shown) in addition to the bath water inlet 13a, and a water supply valve (this is also connected to the water supply hose connection port 7 in the back panel 6). (Not shown) outlets are connected.

注水ケース１３は又、内部に洗剤置き部や柔軟仕上剤置き部を有しており（いずれも図示せず）、それらに置かれた洗剤、柔軟仕上剤を水道水又は風呂水で選択的に流し出すことができるもので、その出口（これも図示せず）を前記外箱１内に縦軸状に配置した洗濯槽（図示せず）の内部に臨ませている。   The water injection case 13 also has a detergent holder and a soft finishing agent holder inside (both not shown), and the detergent and soft finish placed on them are selectively used with tap water or bath water. The outlet (not shown) faces the inside of a washing tub (not shown) arranged in a vertical axis in the outer box 1.

この結果、風呂水は、主として、前記風呂水ホース９、浄水装置１１のタンク１４、接続ホース２６、風呂水ポンプ１２、接続ホース２７、及び注水ケース１３の経路で洗濯槽の内部に供給されるようになっており、従って、風呂水ホース９、接続ホース２６、接続ホース２７、及び注水ケース１３が風呂水供給路として機能し、この風呂水供給路に風呂水ポンプ１２と浄水装置１１とを設けているのである。   As a result, the bath water is supplied into the washing tub mainly through the path of the bath water hose 9, the tank 14 of the water purifier 11, the connection hose 26, the bath water pump 12, the connection hose 27, and the water injection case 13. Accordingly, the bath water hose 9, the connection hose 26, the connection hose 27, and the water injection case 13 function as a bath water supply path, and the bath water pump 12 and the water purifier 11 are connected to the bath water supply path. It is provided.

次に、上記構成のものの作用を述べる。
洗濯を風呂水で行うにつき、今、風呂水ホース接続口８に接続した風呂水ホース９の先端部（フィルタ１０）を浴槽内部の風呂水中に浸漬させ、その上で、風呂水ポンプ１２を作動させると、上記浴槽内の風呂水がフィルタ１０から風呂水ホース９及び切換弁１６を通じて浄水装置１１のタンク１４内に吸入される。なお、このとき、切換弁１６は入口１６ｃに対して一方の出口１６ａ、すなわち浄水装置１１のタンク１４側を開放した状態にある。 Next, the operation of the above configuration will be described.
When washing with bath water, the tip of the bath water hose 9 (filter 10) connected to the bath water hose connection port 8 is now immersed in the bath water inside the bathtub, and then the bath water pump 12 is operated. Then, the bath water in the bathtub is sucked from the filter 10 into the tank 14 of the water purifier 11 through the bath water hose 9 and the switching valve 16. At this time, the switching valve 16 is in a state where one outlet 16a, that is, the tank 14 side of the water purifier 11 is opened with respect to the inlet 16c.

浄水装置１１のタンク１４内に吸入された風呂水は、タンク１４内で水位を高め、且つ光触媒１９を通る。そして、タンク１４内の水位が水位検知器２４の電極２４ａに達したところで、水位検知器２４がその水位を検知するので、それに基づき、紫外線ランプ２０が点灯される。点灯した紫外線ランプ２０から照射される紫外光は、光触媒１９を通る風呂水に及んで、その風呂水に含まれる雑菌に直接作用し、殺菌動作が行われる。又、紫外線ランプ２０から照射された紫外光は、光触媒１９にも及んで、そのエネルギーにより光触媒１９に強力な酸化力を有するＯＨラジカルを生成し、風呂水に含まれる雑菌、有機物質の酸化分解をする働きもする。なお、このとき、浄水装置１１の出水口１７が浄水装置の上部に存在することにより、風呂水はタンク１４内を満たしつつ該タンク１４内を通過する。   The bath water sucked into the tank 14 of the water purifier 11 increases the water level in the tank 14 and passes through the photocatalyst 19. When the water level in the tank 14 reaches the electrode 24a of the water level detector 24, the water level detector 24 detects the water level, so that the ultraviolet lamp 20 is turned on. The ultraviolet light emitted from the lit ultraviolet lamp 20 reaches the bath water passing through the photocatalyst 19 and directly acts on the germs contained in the bath water, so that the sterilization operation is performed. Further, the ultraviolet light irradiated from the ultraviolet lamp 20 reaches the photocatalyst 19 and generates OH radicals having a strong oxidizing power in the photocatalyst 19 by the energy, and oxidative decomposition of various bacteria and organic substances contained in the bath water. Also works to do. At this time, the water outlet 17 of the water purifier 11 exists in the upper part of the water purifier, so that bath water passes through the tank 14 while filling the tank 14.

かくして、風呂水が浄水装置１１のタンク１４内を通る過程で浄化されるものであり、浄化された風呂水は逆止弁１８から接続ホース２６を通じて風呂水ポンプ１２内に吸入され、そして、接続ホース２７及び注水ケース１３を順に経て、洗濯槽の内部に供給される。   Thus, the bath water is purified in the process of passing through the tank 14 of the water purifier 11, and the purified bath water is sucked into the bath water pump 12 from the check valve 18 through the connection hose 26 and connected. It passes through the hose 27 and the water injection case 13 in order, and is supplied to the inside of the washing tub.

なお、切換弁１６を入口１６ｃに対して他方の出口１６ｂ、すなわちバイパスホース２５側を開放する状態に切換えて、風呂水ポンプ１２を作動させると、浴槽内から風呂水ホース９を通じて吸入される風呂水は、浄水装置１１を通ることなく、バイパスホース２５を通って逆止弁１８から接続ホース２６、風呂水ポンプ１２、接続ホース２７、及び注水ケース１３を順に経て、洗濯槽の内部に供給される。   When the switching valve 16 is switched to the state where the other outlet 16b, that is, the bypass hose 25 side is opened with respect to the inlet 16c and the bath water pump 12 is operated, the bath sucked from the bathtub through the bath water hose 9 is used. Water passes through the bypass hose 25, passes through the check valve 18, the connection hose 26, the bath water pump 12, the connection hose 27, and the water injection case 13 in this order without passing through the water purifier 11, and is supplied to the inside of the washing tub. The

かくして、風呂水を浄化することなく洗濯に使用することもできる。その使用態様は、洗剤洗いとすすぎ洗いとがある洗濯時において、例えば、その洗剤洗い時とすすぎ洗い時との両方に風呂水を浄化して使用し、他方、洗剤洗い時に風呂水を浄化することなく使用し、すすぎ洗い時にのみ風呂水を浄化して使用する、の切換え使用であり、その切換え操作は操作パネル４で行うことができる。   Thus, it can be used for washing without purifying the bath water. The usage mode is, for example, purifying bath water at the time of washing with detergent and rinsing, and purifying bath water at the time of washing with detergent. Without being used, and the bath water is purified and used only at the time of rinsing. The switching operation can be performed on the operation panel 4.

このように本実施形態によれば、風呂水を、風呂水供給路を通じて洗濯槽の内部に供給する過程で、風呂水供給路に設けた浄水装置１１の光触媒１９と紫外線ランプ２０とで浄化し得るもので、特には、光触媒１９を、浄水装置１１のタンク１４内を流れる水の流れ方向に長尺なものとしている。これにより、光触媒１９に対する風呂水の接触長さを大きく確保できるので、この光触媒１９による風呂水の浄化作用がより高く得られ、併せてその光触媒１９の長さに応じ紫外線ランプ２０もその長さを大きくできるので、風呂水に対する紫外光の照射長さも大きく確保できて、この紫外線ランプ２０よる風呂水の浄化作用もより高く得られる。かくして風呂水の浄化を充分に行い得るものであり、その風呂水で洗濯した洗濯物の不快な臭いの発生、並びに清潔感の低下をより確実に防止することができる。   As described above, according to the present embodiment, the bath water is purified by the photocatalyst 19 and the ultraviolet lamp 20 of the water purifier 11 provided in the bath water supply path in the process of supplying the bath water to the inside of the washing tub through the bath water supply path. In particular, the photocatalyst 19 is elongated in the flow direction of the water flowing in the tank 14 of the water purifier 11. Thereby, since the contact length of the bath water with respect to the photocatalyst 19 can be ensured, the action of purifying the bath water by the photocatalyst 19 can be further enhanced, and the ultraviolet lamp 20 also has a length corresponding to the length of the photocatalyst 19. Therefore, the irradiation length of the ultraviolet light to the bath water can be ensured to be large, and the action of purifying the bath water by the ultraviolet lamp 20 can be further enhanced. Thus, the bath water can be sufficiently purified, and it is possible to more reliably prevent the generation of an unpleasant odor in the laundry washed with the bath water and a reduction in cleanliness.

又、本実施形態によれば、浄水装置１１を横長形として、トップカバー２の内部に配置している。洗濯機のコンパクト設計により、トップカバー２は高さに制約があり、その内部にも高さに制約がある。それに対して、浄水装置１１を横長形としたことにより、高さに制約があるトップカバー２の内部に、浄水装置１１を浄水経路長く設置できるもので、それだけ、風呂水の浄化作用もより高く得ることができ、風呂水の浄化を充分に行うことができる。   Moreover, according to this embodiment, the water purifier 11 is made into a horizontally long shape and arranged inside the top cover 2. Due to the compact design of the washing machine, the top cover 2 is restricted in height, and the height is also restricted inside. On the other hand, by making the water purifier 11 horizontally long, the water purifier 11 can be installed longer in the top cover 2 where the height is restricted, and the purification effect of the bath water is higher accordingly. Can be obtained, and bath water can be sufficiently purified.

更に、本実施形態によれば、浄水装置１１の出水口１７を浄水装置の上部に存在せしめている。これにより、風呂水はタンク１４内を満たしつつ該タンク１４内を通過するので、紫外線ランプ２０からの紫外光の照射による通過風呂水の浄化、並びに光触媒１９との接触による通過風呂水の浄化も、それぞれ無駄なく行うことができ、効率の良い浄化ができる。   Furthermore, according to this embodiment, the water outlet 17 of the water purifier 11 exists in the upper part of the water purifier. As a result, bath water passes through the tank 14 while filling the tank 14, so that the passing bath water is purified by irradiation with ultraviolet light from the ultraviolet lamp 20, and the passing bath water is purified by contact with the photocatalyst 19. , Each can be performed without waste and efficient purification can be achieved.

加えて、本実施形態によれば、浄水装置１１が、浄水装置１１の上部の水位を検知する水位検知手段として水位検知器２４を有し、その水位の検知に基づいて紫外線ランプ２０を点灯させるようにしている。これにより、紫外線ランプ２０の点灯も、タンク１４内の水位が浄水装置１１の上部に達したところでなすことができ、それより低い水位での紫外線ランプ２０の点灯を避けることができるので、無駄のない状態で紫外線ランプ２０を点灯させることができ、よって又、効率の良い浄化ができる。   In addition, according to this embodiment, the water purifier 11 has the water level detector 24 as a water level detection means for detecting the water level at the upper part of the water purifier 11, and turns on the ultraviolet lamp 20 based on the detection of the water level. I am doing so. As a result, the UV lamp 20 can be turned on when the water level in the tank 14 reaches the upper part of the water purifier 11, and the UV lamp 20 can be turned off at a lower water level. It is possible to turn on the ultraviolet lamp 20 in the absence, and therefore, efficient purification can be performed.

以上に対して、図５及び図６は第２及び第３の実施形態を示すもので、それぞれ、第１の実施形態と同一の部分には同一の符号を付して説明を省略し、異なる部分についてのみ述べる。
［第２の実施形態］
図５に示す第２の実施形態においては、光触媒１９の紫外線ランプ２０側である内周側１９ａの密度を、反紫外線ランプ２０側である外周側１９ｂの密度より低くしている。 5 and 6 show the second and third embodiments. The same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. Only the part is described.
[Second Embodiment]
In the second embodiment shown in FIG. 5, the density of the inner peripheral side 19a that is the ultraviolet lamp 20 side of the photocatalyst 19 is set lower than the density of the outer peripheral side 19b that is the anti-ultraviolet lamp 20 side.

このようにすることにより、紫外線ランプ２０の紫外光を光触媒１９の外周側１９ｂに届きやすくできて、光触媒１９を通る風呂水に対する殺菌効果を内周側１９ａから外周側１９ｂまで確実に及ぼし得ると共に、光触媒１９に対する前述のＯＨラジカルの生成効果も内周側１９ａから外周側１９ｂまで確実に得ることができる。なお、この場合、光触媒１９の内周側１９ａは風呂水が通りやすくて光触媒１９との接触が少なくなるが、紫外線ランプ２０の紫外光を浴びやすくなるので、充分な殺菌効果を得ることができる。
又、この場合、光触媒１９を内周側１９ａと外周側１９ｂとで密度別に二分しているが、それに代え、内周側１９ａ（特には最内周部）から外周側１９ｂ（特には最外周部）へ密度が漸次高くなるものとしても良い。 By doing so, the ultraviolet light of the ultraviolet lamp 20 can easily reach the outer peripheral side 19b of the photocatalyst 19, and the sterilizing effect on the bath water passing through the photocatalyst 19 can be reliably exerted from the inner peripheral side 19a to the outer peripheral side 19b. Also, the above-mentioned effect of generating OH radicals on the photocatalyst 19 can be reliably obtained from the inner peripheral side 19a to the outer peripheral side 19b. In this case, the inner peripheral side 19a of the photocatalyst 19 is easy to pass through the bath water and decreases in contact with the photocatalyst 19. However, since it is easy to be exposed to the ultraviolet light of the ultraviolet lamp 20, a sufficient sterilizing effect can be obtained. .
In this case, the photocatalyst 19 is divided into two parts according to the density at the inner peripheral side 19a and the outer peripheral side 19b, but instead, the inner peripheral side 19a (especially the innermost peripheral part) to the outer peripheral side 19b (especially the outermost peripheral part). Part)), the density may be gradually increased.

［第３の実施形態］
図６に示す第３の実施形態においては、光触媒１９を、水の流れる方向に複数個（この場合、４個の単位光触媒１９１〜１９４）に分けて設け、その各間に仕切板３０１〜３０３を設けていて、この仕切板３０１〜３０３に通水孔３１を、隣る仕切板のそれ（通水孔３１）と位置をずらして設けている。 [Third Embodiment]
In the third embodiment shown in FIG. 6, the photocatalyst 19 is divided into a plurality (in this case, four unit photocatalysts 19 1 to 19 4 ) in the direction in which water flows, and a partition plate 30 is provided between them. 1 to 30 3 are provided, and the water passage holes 31 are provided in the partition plates 30 1 to 30 3 at positions shifted from those of the adjacent partition plates (water passage holes 31).

このようにすることにより、風呂水は、単位光触媒１９１を通って最初の仕切板３０１の通水孔３１から順次次の通水孔３１に達するまでに、各単位光触媒１９２〜１９４を、軸方向のみならず、径方向、周方向に通って流れ、それらの単位光触媒１９２〜１９４との接触が増す。又、この場合、風呂水の流れが複雑となることもあって、風呂水の撹拌作用が生じ、紫外線ランプ２０の紫外光との接触も増す。かくして、この第３の実施形態によれば、より効果的で、効率の良い浄水効果を得ることができる。 By doing so, bath water, the first partition plate 30 from the first water passage hole 31 to sequentially reach the next water passage holes 31, each unit photocatalyst 19 2-19 4 through the unit optical catalyst 19 1 and not only axially, radially flows through the circumferential direction, increases contact between those units photocatalyst 19 2-19 4. In this case, the flow of the bath water may be complicated, and a stirring action of the bath water is generated, and the contact of the ultraviolet lamp 20 with the ultraviolet light is increased. Thus, according to the third embodiment, a more effective and efficient water purification effect can be obtained.

以上説明した洗濯機は、上記実施形態にのみ限定されるものではなく、特に洗濯機全体としては洗濯槽を縦軸状を有する縦軸形洗濯機に限られず、洗濯槽たるドラムを横軸状又は斜軸状に有するドラム式洗濯機であっても良いもので、ドラム式洗濯機では洗濯機上部がトップカバーに相当するものであり、更に要旨を逸脱しない範囲内で適宜変更して実施し得る。   The washing machine described above is not limited only to the above-described embodiment. In particular, the washing machine as a whole is not limited to the vertical washing machine having the vertical axis of the washing tub, and the drum serving as the washing tub has a horizontal axis. Alternatively, a drum-type washing machine having an oblique axis shape may be used, and in the drum-type washing machine, the upper part of the washing machine corresponds to a top cover, and the drum washing machine is appropriately changed within the scope of the gist. obtain.

そのほか、本発明の幾つかの実施形態を説明したが、これらの実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。これら新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。これら実施形態やその変形は、発明の範囲や要旨に含まれると共に、特許請求の範囲に記載された発明とその均等の範囲に含まれる。   In addition, although several embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

図面中、２はトップカバー、９は風呂水ホース（風呂水供給路）、１１は浄水装置、１２は風呂水ポンプ、１３は注水ケース（風呂水供給路）、１７は出水口、１９は光触媒、１９ａは光触媒の内周側（紫外線ランプ側）、１９ｂは光触媒の外周側（反紫外線ランプ側）、１９１〜１９４は単位光触媒、２０は紫外線ランプ、２４は水位検知器（水位検知手段）、２６は接続ホース（風呂水供給路）、２７は接続ホース（風呂水供給路）、３０１〜３０３は仕切板、３１は通水孔を示す。 In the drawings, 2 is a top cover, 9 is a bath water hose (bath water supply path), 11 is a water purifier, 12 is a bath water pump, 13 is a water injection case (bath water supply path), 17 is a water outlet, and 19 is a photocatalyst. , 19a the inner peripheral side of the photocatalyst (ultraviolet lamp side), 19b the outer peripheral side of the photocatalyst (anti UV lamp side), 19 1-19 4 units photocatalyst, 20 ultraviolet lamp, 24 water level detector (level detection means ), 26 is a connection hose (bath water supply path), 27 is a connection hose (bath water supply path), 30 1 to 30 3 are partition plates, and 31 is a water passage hole.

Claims (6)

風呂水供給路を具えると共に、その風呂水供給路を通じて風呂水を洗濯槽の内部に供給する風呂水ポンプを具える洗濯機において、
前記風呂水供給路に、水の流れる方向に長尺でその水を通す光触媒と、この光触媒並びにその光触媒を通る水に紫外光を照射する紫外線ランプとを具える浄水装置を設けたことを特徴とする洗濯機。 In a washing machine having a bath water supply path and a bath water pump for supplying bath water to the inside of the washing tub through the bath water supply path,
The bath water supply path is provided with a water purifier comprising a photocatalyst that is long in the direction of water flow and that passes the water, and an ultraviolet lamp that irradiates the photocatalyst and water passing through the photocatalyst with ultraviolet light. And a washing machine. 浄水装置が、横長形で、トップカバーの内部に配置されていることを特徴とする請求項１記載の洗濯機。   The washing machine according to claim 1, wherein the water purifier is horizontally long and is disposed inside the top cover. 浄水装置の出水口が、浄水装置の上部に存在することを特徴とする請求項１又は２記載の洗濯機。   The washing machine according to claim 1 or 2, wherein a water outlet of the water purifier is present in an upper part of the water purifier. 浄水装置が、浄水装置の上部の水位を検知する水位検知手段を有し、その水位の検知に基づいて紫外線ランプを点灯させるようにした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機。   The water purifier has a water level detecting means for detecting the water level at the upper part of the water purifier, and the ultraviolet lamp is turned on based on the detection of the water level. Washing machine. 光触媒の紫外線ランプ側の密度を、反紫外線ランプ側の密度より低くし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機。   5. The washing machine according to claim 1, wherein the density of the photocatalyst on the ultraviolet lamp side is lower than the density on the anti-ultraviolet lamp side. 光触媒が、水の流れる方向に複数個に分けて設けられ、その各間に仕切板を有していて、この仕切板に通水孔が、隣る仕切板のそれと位置をずらして設けられている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機。   The photocatalyst is divided into a plurality in the direction in which the water flows, and has a partition plate between each, and a water passage hole is provided in this partition plate with a position shifted from that of the adjacent partition plate. The washing machine according to any one of claims 1 to 5, wherein the washing machine is provided.
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Cited By (6)

* Cited by examiner, † Cited by third party
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JP2014204786A (en) * 2013-04-11 2014-10-30 株式会社東芝 Washing machine
JP2015019828A (en) * 2013-07-19 2015-02-02 シャープ株式会社 Washing machine
WO2015037538A1 (en) * 2013-09-13 2015-03-19 株式会社 東芝 Washing machine
JP2015054194A (en) * 2013-09-13 2015-03-23 株式会社東芝 Washing machine
JP2015070997A (en) * 2013-10-04 2015-04-16 株式会社東芝 Washing machine
JP2015116296A (en) * 2013-12-18 2015-06-25 株式会社東芝 Washing machine

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JP2014204786A (en) * 2013-04-11 2014-10-30 株式会社東芝 Washing machine
JP2015019828A (en) * 2013-07-19 2015-02-02 シャープ株式会社 Washing machine
WO2015037538A1 (en) * 2013-09-13 2015-03-19 株式会社 東芝 Washing machine
JP2015054194A (en) * 2013-09-13 2015-03-23 株式会社東芝 Washing machine
CN105531415A (en) * 2013-09-13 2016-04-27 株式会社东芝 Washing machine
JP2015070997A (en) * 2013-10-04 2015-04-16 株式会社東芝 Washing machine
JP2015116296A (en) * 2013-12-18 2015-06-25 株式会社東芝 Washing machine

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