WO2018107843A1 - 洗衣机 - Google Patents

洗衣机 Download PDF

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Publication number
WO2018107843A1
WO2018107843A1 PCT/CN2017/102650 CN2017102650W WO2018107843A1 WO 2018107843 A1 WO2018107843 A1 WO 2018107843A1 CN 2017102650 W CN2017102650 W CN 2017102650W WO 2018107843 A1 WO2018107843 A1 WO 2018107843A1
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WO
WIPO (PCT)
Prior art keywords
ozone
water
water supply
supply path
ozone generating
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PCT/CN2017/102650
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English (en)
French (fr)
Inventor
野吕胜
鸢幸生
国谷尚子
Original Assignee
青岛海尔洗衣机有限公司
Aqua株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 青岛海尔洗衣机有限公司, Aqua株式会社 filed Critical 青岛海尔洗衣机有限公司
Priority to CN201780076760.2A priority Critical patent/CN110073049B/zh
Publication of WO2018107843A1 publication Critical patent/WO2018107843A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/10—Preparation of ozone
    • C01B13/11—Preparation of ozone by electric discharge

Definitions

  • the present invention relates to a washing machine which improves washing ability by generating ozone water inside.
  • Patent Document 1 discloses a washing machine that cleans an object to be cleaned.
  • the washing machine includes: a barrel capable of accumulating water for cleaning the object to be cleaned; an electrolyzed water generating device that generates electrolyzed water by electrolyzing water; a drain mechanism for draining water accumulated in the tub; and a tub
  • the washing operation execution unit performs a barrel washing operation in which a predetermined concentration of electrolyzed water generated by the electrolyzed water generating device is accumulated in the tub, and after the time sufficient for sterilization in the tub is passed in this state,
  • the drainage mechanism is operated to drain the electrolyzed water in the tub.
  • Patent Document 2 discloses an electrolyzed water generating and discharging device for discharging electrolyzed water generated by electrolysis toward a body part of an animal or a person for washing or disinfecting.
  • the electrolyzed water production and discharge device includes an electrolysis unit that generates electrolyzed water by electrolyzing the supplied water or an aqueous solution using an electrolysis electrode using at least a diamond electrode as an anode; the nozzle is connected to the electrolysis unit; and the pump is preliminarily defined
  • the flow rate supplies water or an aqueous solution to the electrolysis unit, and the electrolyzed water generated by the electrolysis unit is discharged from the nozzle; and a control unit controls the operation of the electrolysis unit and the pump, and the control unit controls to repeat at a predetermined time interval.
  • the electrolysis unit and the pump start and stop working, and the electrolyzed water is intermittently discharged from the nozzle.
  • Patent Document 1 Japanese Laid-Open Patent Publication No. 2004-73248
  • Patent Document 2 Japanese Laid-Open Patent Publication No. 2012-161762
  • Patent Document 1 there is a problem that the main component of the acidic electrolyzed water generated in the intermediate process is hypochlorous acid and it remains, the problem of producing a drug-resistant bacteria, the problem of requiring generation time, and the high cost. The problem.
  • An object of the present invention is to realize a washing machine which has not been conventionally provided, which solves these problems and does not generate residual substances due to generation of ozone, and can reliably perform sterilization and elimination even if the water used is not clear water and is large in quantity. smelly.
  • the present invention has taken the following measures.
  • the washing machine of the present invention includes: a water supply path for supplying water to the washing tub; and an ozone generating device configured by arranging an ozone electrode in the water supply path, wherein the ozone generating device is configured as follows
  • the first ozone generating unit and the second ozone generating unit arranged in series with the first ozone generating unit are provided, and the water is supplied through the two ozone generating units.
  • the present invention is characterized in that a diameter of a water supply path in which the first ozone generating portion is provided in the water supply path and a diameter of a water supply path in which the second ozone generating portion is provided are smaller than two ozone The diameter of the connecting path connecting the generating sections.
  • the present invention is characterized in that the ozone generating device is disposed in a horizontal portion formed in a part of the water supply path, and the water supply path is bent into a crank shape at both ends of the horizontal portion, and the bending portion can be The ozone electrode is inserted/extracted into the water supply path of each ozone generating unit.
  • the present invention is characterized in that a swirling region for rotating water is provided in a downstream region of the second ozone generating portion.
  • ozone Even if ozone is generated, when chlorine, bacteria, foreign matter, etc. are present in the water quality, ozone will be eliminated. It is decomposed by it, and it does not work on the sterilization and deodorization of the laundry. In particular, when groundwater is used, it may cause odor due to the influence of impurities contained in the raw water.
  • the supplied water passes through the first and second ozone generating units in series and generates ozone by electrolysis of water, so that the introduced water can be initially sterilized by the first ozone generating unit. Purification, and then the ozone concentration is increased by the second ozone generating unit, and the desired concentration and the required amount of ozone water are reliably supplied to the washing tub stably. Further, the concentration of ozone water supplied to the washing tub can be further increased without initial sterilization. Then, no residual substances are generated due to ozone generation.
  • the ozone electrode in which the diameter of the water supply path in which the first and second ozone generating units are provided is smaller than the diameter of the connecting path between the two ozone generating units, the ozone electrode is immersed in water to easily improve the contact efficiency with water. It can efficiently perform ozone generation and cooling of ozone electrodes.
  • the ozone electrode in which the ozone generating device is disposed horizontally and the both ends are cranked to insert and extract the electrode, the ozone electrode can be completely eliminated from the water, and only the deteriorated electrode can be cleaned or replaced. Yes, no special electrodes are needed, so it is easy to maintain the ozone electrode and also contribute to cost reduction.
  • the mixing of the bubbles of the ozone gas and the water can further increase the concentration of the ozone water, ensure the length of the flow path required for mixing, and be compact.
  • the ground constitutes an ozone generating system.
  • Fig. 1 is a view showing a schematic configuration of a washing machine according to an embodiment of the present invention.
  • Figure 2 is a detailed view of the ozone generating device of Figure 1.
  • Fig. 3 is a view showing an ozone electrode constituting the ozone generating device.
  • FIG. 4 is a cross-sectional view showing a corrugated hose constituting a swirling region of the present embodiment.
  • Fig. 5 is a view showing a configuration of a swirling region in a modified example of the present invention.
  • Fig. 6 is a view showing a configuration of an ozone water supply path according to another modification of the present invention.
  • FIG. 7 is a view showing a configuration of an ozone water supply path according to still another modification of the present invention.
  • 1a washing tub; 2: water supply road; 2a: horizontal portion; 2x, 2y: curved portion; 9: ozone generating device; 10: swirling region; 21: water supply path (a portion where the first ozone generating portion is provided); 22: a water supply path (a portion where the second ozone generating unit is provided); 23: a connecting path; 91: a first ozone generating unit; 92: a second ozone generating unit; 102, 302: a water supply path (ozone water supply path); :washing machine.
  • FIG. 1 is a view showing a schematic configuration of a drum type washing machine W.
  • the washing machine W includes a water supply path 2 for supplying water to the washing tub 1a in the drum 1, a hot water supply path 3 for similarly supplying hot water to the drum 1, and a drain passage 4 for the inside of the drum 1.
  • the water is drained; the softener supply path 5 and the detergent supply path 6 are used to supply a softener or a detergent into the drum 1.
  • the supply system that is, the water supply path 2, the hot water supply path 3, the softener supply path 5, and the detergent supply path 6 are connected to the water collection introduction portion 7 provided above the drum 1, and the drainage path 4 is connected to the lower side of the drum 1.
  • an overflow path 8 for draining water exceeding the upper limit of the water level is provided.
  • the washing machine W is configured to appropriately apply a water supply valve 2a, a hot water supply valve 3a, and a drain valve as valves of the respective supply and discharge systems by the control unit C in order to carry out a washing process, a rinsing process, a soft finishing process, a dehydration process, and the like.
  • 4a is opened and closed, or the softener pump 5a and the detergent pump 6a are operated, and water supply, hot water supply, detergent supply, and softener supply are performed, and the rotation of the drum 1 is controlled to carry out each process.
  • Water supply filters 2b and 3b are disposed upstream of the water supply valve 2a and the hot water supply valve 3a, respectively.
  • an ozone generating device 9 for supplying ozone water to the inside of the drum 1 is provided.
  • the ozone generating device 9 is operated by energizing an ozone electrode to be described later.
  • the control unit C turns off the energization in advance during the washing process and the rinsing process, only after the washing process. Set the power to ON during the half-pass soft wash process. This is because even if the energization is turned ON at an early stage, the generated ozone is consumed by the sterilization and deodorization of the laundry at the beginning of the washing, and the effect is poor. Among them, the timing of energization ON can be appropriately set.
  • the ozone generating device 9 is not disposed in the hot water supply path 3 because it is difficult to stably generate ozone when the temperature is high.
  • the first ozone generating unit 91 and the second ozone generating unit 92 are arranged in series to constitute the ozone water generating device 9, and pass through the two ozone generating units 91 and 92. Ozone water is generated.
  • the ozone water supply path 102 as the water supply path of the present invention is constituted by a separate pipe independent of the water supply path 2, and the ozone water generating device 9 is disposed together with the water supply filter 102b and the ozone water supply valve 102a.
  • the outlet of the ozone water generating device 9 is connected to the ozone water supply port X provided below the drum 1, and the ozone water supply valve 102a is controlled by the control unit C, whereby the drum 1 is supplied with ozone water.
  • the ozone electrodes 91a and 92a provided in the respective ozone generating units 91 and 92 are energized, and the water in contact with the surfaces of the ozone electrodes 91a and 92a is decomposed to generate ozone gas, and the ozone gas is dissolved in the water to become Ozone water.
  • the second ozone generating unit 92 can increase the ozone concentration.
  • the required concentration and the required amount of ozone water can be stably supplied to the washing tub 1a, and the concentration of the ozone water supplied to the washing tub can be increased without initial sterilization. Then, no residual substances are generated due to ozone generation.
  • a part of the water supply path 2 is a horizontal portion 2a that is horizontally disposed, and the vertical portions 2b and 2c are connected to both ends of the horizontal portion 2a, and the water supply path 2 is bent into a crank shape.
  • the horizontal portion 2a includes a first electrode insertion water supply path 21 that constitutes the first ozone generating unit 91, a second electrode insertion water supply path 22 that constitutes the second ozone generating unit 92, and two electrode insertion water supply paths 21 and 22.
  • the connection path 23 is connected so that the diameters of the two electrode insertion water supply paths 21 and 22 are smaller than the diameter of the connection path 23.
  • the first and second electrode insertion water supply paths 21 and 22 are preferentially filled with water due to the difference in the diameter of the flow path. Therefore, the ozone electrodes 91a and 92a are easily eliminated from the water, and the ozone and water can be improved. Contact efficiency. Further, even if the ozone electrodes 91a and 92a generate heat during ozone generation, the cooling effect is obtained by immersing in the water, and the connection path 23 is not required to be filled with water. Therefore, it is not necessary to apply high water from the upstream side in order to flow the water. Pressure.
  • the first and second ozone generating units 91 and 92 are inserted into the first and second electrode insertion water supply paths 21 by inserting the first and second ozone electrodes 91a and 92a. 22 is formed inside.
  • the first and second ozone electrodes 91a, 92a use an electrolytic electrode of the type in which a strip-shaped or linear cathode 9B is spirally wound in a rod shape and formed of a diamond electrode.
  • a strip-shaped or linear cathode 9B is spirally wound in a rod shape and formed of a diamond electrode.
  • the ozone electrodes 91a and 91b integrally have an electrode fixing screw portion 9C and a flange 9D at the base end, and a power supply unit (not shown) is connected to the anode 9A penetrating the flange 9D and the electrode fixing screw portion 9C, and the cathode 9B is fixed by an electrode.
  • the screw portion 9D and the like are grounded.
  • An opening is formed in the crank-shaped bent portion 2x on one end side of the horizontal portion 2a constituting the water supply path 2 shown in Fig.
  • a screw hole 2b1 is formed in the opening, and the first ozone electrode 91a is inserted into the screw hole 2b1 and The electrode fixing screw portion 9C is screwed to the screw hole 2b1, and the flange 9D is in close contact with the vertical portion 2b via the spacer 9E, so that the ozone electrode 91a is positioned in the first water supply path 91.
  • an opening is provided in the crank-shaped bent portion 2y, a screw hole 2c1 is formed in the opening, the second ozone electrode 92a is inserted into the screw hole 2c1, and the electrode is inserted
  • the fixing screw portion 9C is screwed to the screw hole 2c1, and the flange 9D is in close contact with the vertical portion 2c via the spacer 9E, so that the ozone electrode 92a is positioned in the second water supply path 92.
  • the water supply path 2 is in the shape of a crank including the horizontal portion 2a as described above, it is easy to form an air layer in the horizontal portion 2a, but the diameter of the flow path through the ozone generating portions 91, 92 and the connecting path 23 as described above. The difference is given, and it is assumed that the ozone generating units 91 and 92 are difficult to form an air accumulation.
  • the ozone electrodes 91a and 92a of the respective ozone generating units 91 and 92 are physically separated, when the minerals in the water adhere to the ozone electrodes 91a and 92a and deteriorate, it is not only easy to be used. Since the deteriorated electrode is taken out for cleaning or replacement, and no special electrode is required, it is easy to maintain the ozone electrodes 91a and 92a, and it contributes to reduction in component cost.
  • the ozone water mixing zone 11 is connected via the swirling zone 10 in the downstream region of the second bending portion 2y, and the ozone water passing through the ozone water mixing zone 11 is introduced into the ozone water supply port X.
  • the swirling zone 10 uses the corrugated hose H shown in Fig. 4. As the water flows in the turbulent state through the pipe 10a, the bubble of the ozone gas is mixed with the water to promote the rise of the ozone concentration. .
  • ozone and water are also flowed in a state in which the gas phase and the liquid phase are adjacent to each other. Then, ozone is dissolved in water to increase the ozone concentration.
  • ozone water mixing zone 11 it is necessary to ensure the length of the flow path required for dissolving ozone in the water, but the mixing can be effectively performed by providing the swirling zone 10, and therefore, the flow of the ozone water mixing zone 11 can be performed. Track length suppression is minimal.
  • the ozone generation mechanism of the present embodiment can be completed in the flow path, and therefore, it can be utilized for a highly practical washing machine W that is compactly assembled and can effectively utilize ozone water.
  • the washing machine W of the present embodiment does not require airtightness as in the general gas type ozone generating device using the venturi, and therefore can be used as a self-service laundry or laundry which is particularly suitable for the main drying function.
  • the ozone electrodes 91a and 92a are independently inserted into the first and second ozone generating units 21 and 22, but the entire ozone electrode may be physically integrated, but a part thereof may be used.
  • the first ozone generating unit 21 functions, and the other portion functions as the second ozone generating unit 22. In this case, it is also effective to increase the diameter of the water supply path between the two ozone generating units 21 and 22 in advance.
  • the first and second ozone generating units 21 and 22 are provided.
  • the number of the ozone generating units and the like is not limited as long as the number of the ozone generating units is two or more.
  • the corrugated hose is used for the swirl zone 10 of the above embodiment, as shown in Fig. 5, the tube 10b in the shape of a vane inside the tube may be used.
  • the tube 10b is inserted into the tube 10b by inserting the shaft 10b2 to which the spiral blade 10b1 is attached, and the outer circumference of the blade 10b1 is placed in close contact with the inner circumference of the tube 10b, thereby substantially cutting off the straightness of the water to generate a reliable swirling flow. .
  • the ozone water supply path 102 is configured by a single pipe.
  • the control unit C may be opened and closed in the middle of the flow path from the water supply path 2 toward the water collecting introduction portion 7.
  • the three-way valve 202a is controlled by the three-way valve 202a, and the ozone water supply path 302 including the ozone water generating device 9 corresponding to the water supply path of the present invention is branched from the water supply path 2, and the ozone water supply path 302 is connected to the drum.
  • the ozone supply port X below the 1st.
  • the ozone generating device 9 may be assembled in a part of the water supply path 2, and when the ozone generating device 9 is operated, the water supply path 2 functions as an ozone water supply path.
  • the decrease in the ozone concentration caused by the impact when the ozone water is dropped from above is effective, and it is effective in simplifying the piping.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

一种洗衣机，其具备：供水路(2)，用于对洗涤筒进行供水；以及臭氧生成装置(9)，在该供水路(2)内配置臭氧电极(91a、92a)而构成。臭氧生成装置(9)包含第一臭氧生成部(91)和与该第一臭氧生成部(91)串联配置的第二臭氧生成部(92)，供水路穿过两个臭氧生成部(91、92)进行供水。该洗衣机不会因臭氧生成而残留有残留物质，即便所使用的水量大、且不是清水，也能可靠地进行除菌、消臭。

Description

洗衣机 技术领域
本发明涉及一种通过在内部生成臭氧水来提高洗涤能力的洗衣机。
背景技术
以往，进行过将臭氧水利用于洗涤。例如，在专利文献1中公开了一种对被清洗物进行清洗的清洗机。该清洗机具备：桶，能蓄积用于清洗被清洗物的水；电解水生成装置，通过对水进行电解而生成电解水；排水机构，用于对蓄积于桶内的水进行排水；以及桶清洗运转执行单元，执行如下桶清洗运转，即形成将利用电解水生成装置生成的规定浓度的电解水蓄积于桶内的状态，在此状态下经过了足以对桶内进行除菌的时间之后，使排水机构工作而对桶内的电解水进行排水。
此外，在专利文献2中公开了一种电解水生成排出装置，其用于将通过电解而生成的电解水朝向动物或人的身体部位排出以进行清洗或消毒。该电解水生成排出装置具备：电解单元，通过利用至少使用了金刚石电极作为阳极的电解电极对所供给的水或水溶液进行电解而生成电解水；喷嘴，连接于电解单元；泵，以预先规定的流量将水或水溶液供给至电解单元，将利用电解单元所生成的电解水从喷嘴排出；以及控制单元，对电解单元和泵的工作进行控制，控制单元进行控制以便以预先规定的时间间隔重复使电解单元和泵开始及停止工作，从喷嘴间歇地排出电解水。
现有技术文献
专利文献
专利文献1：日本特开2004-73248号公报
专利文献2：日本特开2012-161762号公报
发明内容
发明所要解决的问题
然而，在专利文献1的发明中存在：在中间过程中生成的酸性电解水的主要成分是次氯酸且其会残留的问题、产生抗药菌的问题、进而需要生成时间的问题、成本高等的问题。
另一方面，在专利文献2的发明中存在：由于利用便携式臭氧水生成器以局部清洗为目的，因此前提是供水水质为清水的问题；由于是动物或人的外伤部位清洗用途，因此生成臭氧水排出量少的问题。
本发明的目的在于，实现一种以往没有的洗衣机，其解决这些问题，不会因臭氧生成而产生残留物质，即使所利用的水不是清水且是大量的，也能可靠地进行除菌、消臭。
用于解决问题的方案
本发明为了解决如上问题，采取了如下方案。
即，本发明的洗衣机的特征在于，具备：供水路，用于对洗涤筒进行供水；以及臭氧生成装置，在该供水路内配置臭氧电极而构成，所述臭氧生成装置以如下方式构成，即，包含第一臭氧生成部和与该第一臭氧生成部串联配置的第二臭氧生成部，并穿过两个臭氧生成部而进行供水。
此外，本发明的特征在于，使所述供水路中的设置有所述第一臭氧生成部的供水路的直径、以及设置有所述第二臭氧生成部的供水路的直径小于对两个臭氧生成部之间进行连接的连接路的直径。
此外，本发明的特征在于，将所述臭氧生成装置配置于形成在所述供水路的一部分的水平部，在该水平部的两端使供水路弯曲成曲柄状，能从所述弯曲部将臭氧电极***/取出于各臭氧生成部的供水路内。
此外，本发明的特征在于，在所述第二臭氧生成部的下游区域具备使水旋转的旋流区。
发明效果
即使生成臭氧，当在供水水质中存在氯、细菌、异物等时，臭氧也会被消 耗于其分解，而不会奏效于洗涤物的除菌、消臭。特别是，在利用地下水的情况下，有时会因原水中所含的杂菌类的影响而成为发臭的原因。
对此，本发明使所供给的水串联地穿过第一、第二臭氧生成部并通过水的电解而产生臭氧，因此，能利用第一臭氧生成部对所导入的水进行初期除菌而净化，然后利用第二臭氧生成部提高臭氧浓度，可靠地将所需浓度、所需量的臭氧水稳定地供给至洗涤筒。此外，在无需初期除菌的情况下，能进一步提高供给至洗涤筒的臭氧水的浓度。然后，也不会因臭氧生成而产生残留物质。
此外，根据使设置有第一、第二臭氧生成部的供水路的直径小于两个臭氧生成部之间的连接路的直径的本发明，将臭氧电极浸泡在水中而容易提高与水的接触效率，能高效地进行臭氧生成和臭氧电极的冷却。
此外，根据构成为水平配置臭氧生成装置、并使两端呈曲柄状而能对电极进行***/取出的本发明，能促进臭氧电极完全没于水中，并且仅对劣化后的电极进行清扫或更换即可，也无需特殊的电极，因此，容易维护臭氧电极且也有助于成本降低。
此外，若事先在第二臭氧生成部的下游区域进一步设置旋流区，则通过臭氧气体的气泡与水的混合能进一步提高臭氧水的浓度，能确保混合所需的流道长度，并且能紧凑地构成臭氧生成***。
附图说明
图1是表示本发明的一个实施方式的洗衣机的概略构成的图。
图2是图1的臭氧生成装置的细节图。
图3是表示构成该臭氧生成装置的臭氧电极的图。
图4是表示构成本实施方式的旋流区的波纹软管的剖面图。
图5是表示本发明的变形例的旋流区的构成的图。
图6是表示本发明的其他变形例的臭氧供水路的构成的图。
图7是表示本发明的又一其他变形例的臭氧供水路的构成的图。
附图标记说明：
1a：洗涤筒；2：供水路；2a：水平部；2x、2y：弯曲部；9：臭氧生成装置；10：旋流区；21：供水路(设置有第一臭氧生成部的部位)；22：供水路(设置有第二臭氧生成部的部位)；23：连接路；91：第一臭氧生成部；92：第二臭氧生成部；102、302：供水路(臭氧供水路)；W：洗衣机。
具体实施方式
以下，基于附图对本发明的一个实施方式进行详细说明。
图1是表示滚筒式洗衣机W的概略构成的图。该洗衣机W具备：供水路2，用于向滚筒1内的洗涤筒1a进行供水；供热水路3，同样地用于向滚筒1内进行供热水；排水路4，用于对滚筒1内的水进行排水；柔软剂供给路5以及洗涤剂供给路6，用于向滚筒1内供给柔软剂、洗涤剂。供给***即供水路2、供热水路3、柔软剂供给路5以及洗涤剂供给路6连接于设置在滚筒1的上方的集水导入部7，排水路4连接于滚筒1的下方。此外，还设置有用于对超过水位上限的水进行排水的溢流路8。
该洗衣机W构成为：为了实施洗涤过程、漂洗过程、柔软整理过程以及脱水过程等，利用控制单元C适当地对作为各给排***的阀的供水阀2a、供热水阀3a、以及排水阀4a进行开闭，或者使柔软剂用泵5a、洗涤剂用泵6a工作，进行供水、供热水、洗涤剂供给、柔软剂供给，并且对滚筒1的旋转进行控制来实施各过程。在供水阀2a和供热水阀3a的上游分别配置有供水过滤器2b、3b。
然后，设置有用于向滚筒1的内部供给臭氧水的臭氧生成装置9。这是由于，所供给的水不限于自来水，地下水等也可以作为对象，因此需要净化。对于臭氧生成装置9，通过对后述的臭氧电极进行通电而使其工作，在该实施方式中，控制单元C在洗涤过程、漂洗过程中事先将该通电设为OFF，仅在洗涤过程的后半程的软洗过程时将通电设为ON。这是由于，即使在早期阶段将通电设为ON，所产生的臭氧也会被消耗于洗涤开始初期的洗涤物的除菌、消臭，实效性差。其中，通电ON的定时可以适当设定。未将臭氧生成装置9设置于供热水路3是由于当温度高时臭氧难以稳定生成。
在该情况下，当臭氧生成装置9的功能低时，在供水过程中残存氯、细菌、异物等的情况下，臭氧会被消耗于其分解，无法生成所希望的浓度的臭氧水，因此，不会奏效于洗涤物的除菌、消臭。此外，当臭氧水的投入方法差时，恐怕会因冲击而导致臭氧水浓度降低。
因此，如图2的局部细节图所示，本实施方式将第一臭氧生成部91与第二臭氧生成部92串联配置来构成臭氧水生成装置9，穿过两个臭氧生成部91、92而生成臭氧水。然后，如图1所示，通过与所述供水路2独立的单独配管构成作为本发明的供水路的臭氧供水路102，与供水过滤器102b、臭氧水供水阀102a一起配置臭氧水生成装置9，将该臭氧水生成装置9的出口连接于设置在滚筒1的下方的臭氧供水口X，利用控制单元C控制臭氧供水阀102a，由此对滚筒1进行臭氧水的供水。如此构成，通过对各臭氧生成部91、92所具备的臭氧电极91a、92a进行通电，与臭氧电极91a、92a的表面接触的水被分解而产生臭氧气体，该臭氧气体溶解在水中而变成臭氧水。
由此，在导入至第一臭氧生成部91的水中存在细菌、臭气的情况下，能通过初期除菌对其进行净化，然后利用第二臭氧生成部92提高臭氧浓度。其结果是，能将所需浓度、所需量的臭氧水稳定地供给至洗涤筒1a，在无需初期除菌的情况下，能提高供给至洗涤筒的臭氧水的浓度。然后，也不会因臭氧生成而产生残留物质。
具体而言，供水路2的一部分是水平配置的水平部2a，在该水平部2a的两端连接设置铅垂部2b、2c，而使供水路2弯曲成曲柄状。水平部2a由构成第一臭氧生成部91的第一电极***用供水路21、构成第二臭氧生成部92的第二电极***用供水路22、以及对两个电极***用供水路21、22之间进行连接的连接路23构成，使两个电极***用供水路21、22的直径小于连接路23的直径。
通过形成这种水平部2a，容易形成用于使臭氧电极91a、92a没于水中的水积存处。在该情况下，由于流道直径的差异，第一、第二电极***用供水路21、22优先被水充满，因此，容易使臭氧电极91a、92a完全没于水中，能提高臭氧与水的接触效率。此外，即使在臭氧生成时臭氧电极91a、92a发热，通过使其浸泡于水中也会获得冷却效果，此外无需用水充满连接路23，因此，也无需为了使水流动而从上游侧施加高的水压。
若对臭氧电极91a、92a的装配构造进行说明，则第一、第二臭氧生成部91、92通过将第一、第二臭氧电极91a、92a***第一、第二电极***用供水路21、22内而构成。如图3所示，第一、第二臭氧电极91a、92a使用如下类型的电解电极，即，在绝缘状态下将带状或线状的阴极9B呈螺旋状卷绕于棒状的由金刚石电极形成的阳极9A的周围。
臭氧电极91a、91b在基端一体地具有电极固定螺纹部9C和凸缘9D，在贯通该凸缘9D和电极固定螺纹部9C的阳极9A连接有未图示的供电部，阴极9B通过电极固定螺纹部9D等接地。在图2所示的构成供水路2的水平部2a的一端侧，在曲柄状的弯曲部2x设置有开口，在该开口形成螺纹孔2b1，将第一臭氧电极91a***该螺纹孔2b1并将电极固定螺纹部9C螺接于螺纹孔2b1，经由衬垫9E使凸缘9D密接于铅垂部2b，使臭氧电极91a位于第一供水路91内。
同样地，在构成供水路2的水平部2a的另一端侧，在曲柄状的弯曲部2y设置有开口，在该开口形成螺纹孔2c1，将第二臭氧电极92a***该螺纹孔2c1并将电极固定螺纹部9C螺接于螺纹孔2c1，经由衬垫9E使凸缘9D密接于铅垂部2c，使臭氧电极92a位于第二供水路92内。
在如上所述将供水路2设为包含水平部2a的曲柄形状的情况下，容易在水平部2a形成空气层，但如上所述通过对臭氧生成部91、92与连接路23的流道直径赋予差异，而设为在臭氧生成部91、92难以形成空气积存处的构造。然后，通过如此设为将各臭氧生成部91、92的臭氧电极91a、92a物理分离的拆装构造，在水中的矿物附着于臭氧电极91a、92a等而劣化的情况下，不但能容易地仅取出此劣化后的电极而进行清扫或更换，也无需特殊的电极，因此，容易维护臭氧电极91a、92a，也有助于降低零件成本。
此外，本实施方式在第二弯曲部2y的下游区域经由旋流区10连接设置有臭氧水混合区11，将穿过该臭氧水混合区11的臭氧水向臭氧供水口X导入。
旋流区10使用了图4所示的波纹软管H，如用箭头示出水流那样，在水以紊流状态流经管10a内的期间，臭氧气体的气泡与水混合，促进臭氧浓度的上升。
在图2所示的臭氧水混合区11中，臭氧与水也以气相与液相邻接的状态流 动，由此，臭氧溶解于水中而使臭氧浓度上升。对于该臭氧水混合区11而言，需要确保为了使臭氧溶解于水中所需的流道长度，但能通过设置旋流区10来有效地进行混合，因此，能将臭氧水混合区11的流道长度抑制为最小限度。
如上所述，本实施方式的臭氧生成机制可以在流道中完成，因此，能利用于紧凑地组装并能有效地利用臭氧水的、实用性高的洗衣机W。
然后，对于本实施方式的洗衣机W而言，如使用了文丘里管的一般气体方式的臭氧生成装置那样不需要密闭性，因此，能作为特别适合于主要带烘干功能的自助洗衣店或者洗衣店的商业用、进而家庭用的洗衣机。
以上，对本发明的一个实施方式进行了说明，但各部分的具体构成并不仅限定于上述的实施方式。
例如，在上述实施方式中，在第一、第二臭氧生成部21、22分别独立地***有臭氧电极91a、92a，但也可以构成为：虽然整个臭氧电极物理上为一体，但其一部分作为第一臭氧生成部21发挥功能，另一部分作为第二臭氧生成部22发挥功能。在该情况下，事先增大两个臭氧生成部21、22之间的供水路的直径也是有效的。
此外，在上述实施方式中，具备第一、第二臭氧生成部21、22，但若设置第三臭氧生成部等、臭氧生成部的数量为两个以上则并不限定。
此外，对于上述实施方式的旋流区10使用了波纹软管，但如图5所示，也可以使用管内叶片形状的管10b。该管10b如下：将装配有螺旋状叶片10b1的轴10b2***管10b内，并将叶片10b1的外周紧密接触地配置于管10b的内周，大致截断水的直进性而产生可靠的旋流。
此外，在上述实施方式中，通过单独配管构成了臭氧供水路102，但如图6所示，也可以在从供水路2朝向集水导入部7的流道中途设置利用控制单元C进行开闭控制的三通阀202a，利用该三通阀202a使相当于本发明的供水路的具备臭氧水生成装置9的臭氧供水路302从供水路2分支，将该臭氧供水路302连接于设置在滚筒1的下方的臭氧供水口X。
此外，如图7所示，也可以构成为：在供水路2的一部分组装臭氧生成装置9，在臭氧生成装置9工作时，供水路2作为臭氧供水路发挥功能。对于这种 构成而言，由使臭氧水从上方落下时的冲击导致的臭氧浓度降低若为不成问题的程度，则在简化配管方面有效。
其他构成也可以在不脱离本发明的技术思想的范围内进行各种变形。

Claims (4)

  1. 一种洗衣机，其特征在于，具备：
    供水路，用于对洗涤筒进行供水；以及臭氧生成装置，在该供水路内配置臭氧电极而构成，
    所述臭氧生成装置以如下方式构成，即，包含第一臭氧生成部和与该第一臭氧生成部串联配置的第二臭氧生成部，并穿过两个臭氧生成部而进行供水。
  2. 根据权利要求1所述的洗衣机，其特征在于，
    使所述供水路中的设置有所述第一臭氧生成部的供水路的直径、以及设置有所述第二臭氧生成部的供水路的直径小于对两个臭氧生成部之间进行连接的连接路的直径。
  3. 根据权利要求2所述的洗衣机，其特征在于，
    将所述臭氧生成装置配置于形成在所述供水路的一部分的水平部，在该水平部的两端使供水路弯曲成曲柄状，能从所述弯曲部将臭氧电极***/取出于各臭氧生成部的供水路内。
  4. 根据权利要求1～3中任一项所述的洗衣机，其特征在于，
    在所述第二臭氧生成部的下游区域具备使水旋转的旋流区。
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