WO2005014912A1 - 給水装置およびそれを備えた洗濯機 - Google Patents
給水装置およびそれを備えた洗濯機 Download PDFInfo
- Publication number
- WO2005014912A1 WO2005014912A1 PCT/JP2004/008337 JP2004008337W WO2005014912A1 WO 2005014912 A1 WO2005014912 A1 WO 2005014912A1 JP 2004008337 W JP2004008337 W JP 2004008337W WO 2005014912 A1 WO2005014912 A1 WO 2005014912A1
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- WIPO (PCT)
- Prior art keywords
- water
- laundry
- shower
- silver
- washing
- Prior art date
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Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/24—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients to enhance the sticking of the active ingredients
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- 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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/003—Washing machines, apparatus, or methods not otherwise provided for using electrochemical cells
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4606—Treatment of water, waste water, or sewage by electrochemical methods for producing oligodynamic substances to disinfect the water
Definitions
- the present invention makes it easier to exert the inherent effects of substances (eg, silver ions, softeners, release agents) dissolved in water when water is supplied to a water supply target (eg, laundry).
- a water supply target eg, laundry
- the present invention relates to a water supply device, a water supply method, and a washing machine having the water supply device.
- finishing substance When washing laundry with a washing machine, it is common to add a finishing substance to water (particularly, rinsing water). Common finishing materials are softeners and glues. In addition, recently, there is a growing need for finishing treatments that provide laundry with antibacterial properties.
- Patent Literatures 1 and 2 disclose washing machines in which silver ions are added to washing water by applying a voltage between silver electrodes.
- Patent Document 3 discloses a washing machine provided with a silver elution cartridge that elutes silver by reacting a silver eluting material (for example, silver sulfide) with hypochlorous acid in tap water. In all of these washing machines, the laundry is immersed in water containing antibacterial metal ions, thereby attaching the metal ions to the laundry and subjecting the laundry to antibacterial treatment.
- a silver eluting material for example, silver sulfide
- Patent Document 1 Japanese Utility Model Gazette, Japanese Utility Model Publication No. 5—74487 (published October 12, 1993)
- Patent Document 2 Japanese Unexamined Patent Publication "JP-A 2001-276484 (published October 9, 2001)"
- Patent document 3 Japanese published patent gazette "Japanese Patent Laid-Open No. 2002-113288 (published on April 16, 2002)"
- Patent document 4 Japanese published patent gazette "Japanese Unexamined Patent Publication No. 2001-29688 (published February 6, 2001)"
- Patent document 5 Japanese published patent gazette "Japanese Patent Laid-Open No. 2001-276472 (published October 9, 2001)"
- Patent Document 6 Japanese Unexamined Patent Publication "JP-A-2003-10584 (published on January 14, 2003)"
- the silver ion water permeating the laundry also dries.
- the silver ions contained in the silver ion water are It remains on the laundry surface as fine powder of silver compound crystals such as metallic silver and silver oxide. Then, when the silver compound comes into contact with water next time, silver ions are dissolved from the surface of the silver conjugate, and the silver ions have an antibacterial effect.
- silver ions may be easily eluted from the silver-bound product remaining on the laundry surface.
- silver ion water should be dried more quickly. Faster drying of silver ion water causes precipitation of silver compound crystals in a short period of time, resulting in crystals with small grains and many lattice defects. Because it occurs from the lattice defect part, it can be said that the smaller the particle size (the larger the surface area) and the more the lattice defects, the easier the crystal is to melt.
- Patent Documents 13 to 13 described above in a configuration in which laundry is immersed in silver ion water, the droplets of silver ion water adhering to the surface of the laundry are large. Drying takes some time. As a result, silver compound crystals with large crystals and few lattice defects are generated, and even when the silver compound comes into contact with water, silver ions are less likely to elute and the antibacterial action of silver ions is more effectively obtained. The problem is that you cannot do it.
- drying is performed by raising the drying target temperature of the laundry, that is, by blowing hotter air at a higher temperature on the laundry to perform the drying. It is not preferable because it may cause damage to objects.
- the present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is that a substance originally dissolved in water was once crystallized by the drying of the water, and was again dissolved in the water. Sometimes, the specific effect of the substance can be more easily exhibited, and the effect can be reduced.
- An object of the present invention is to provide a water supply device that can be reliably obtained and a washing machine provided with the water supply device. Means for solving the problem
- the water supply device of the present invention is a water supply device for supplying water to a water supply target, and includes a charging section for charging a finishing substance into the water, and a shower-like flow of water obtained through the charging section. And a shower jetting unit for jetting the water to the water supply target.
- the surface area of the whole water is increased as compared with the same amount of water, and there are more portions that come into contact with air. Therefore, when the shower water is jetted to the water supply target, the water attached to the water supply target is easily dried.
- the precipitation (crystallization) of the finish substance dissolved in the water occurs in a short time, and therefore, crystals having smaller particles (larger surface area) and more lattice defects can be generated. it can. Crystal dissolution occurs from lattice defects including the surface, so crystals with smaller grains and more lattice defects are more likely to dissolve.
- water (droplets) of small-diameter particles, in which the finishing substance is easily eluted due to dissolution of the crystal, is generated in the shower jetting section and is jetted to the water supply target.
- antibacterial effect can be more easily exhibited, and the effect peculiar to the finished material can be reliably obtained.
- the water supply target is, for example, a water-repellent cloth or a hydrophobic cloth
- the finishing substance contained in the shower water is surely adhered to the cloth surface. S power.
- shower water dries before the shower water is repelled on the cloth surface because the droplets have a small diameter and is easy to dry, and the finishing substance contained in the shower water adheres to the cloth surface. . Therefore, even for a water supply target, such as a water-repellent cloth or a hydrophobic cloth, in which the finish substance is unlikely to seep into the inside, the finish substance may elute when An effect to be exhibited (for example, an antibacterial effect) can be reliably obtained.
- Patent Documents 4 to 16 supplies only water in the form of a mist and supplies it to a water supply target.
- a charging section for charging a finishing substance into water is provided. This is not a configuration in which the water obtained via the shower is sprayed to the water supply target in the form of a shower. Therefore, the concept of spraying at least a mixture of water and a finishing substance in the form of a shower is completely different from any of the above prior arts, and the present invention is significantly different from the above prior arts. is there.
- the input section may be an ion eluting section that dissolves ions as the finishing substance and inputs the ions into water passing therethrough.
- the charging section By configuring the charging section with the ion eluting section, water containing ions as a finishing substance can be sprayed from the shower spray section to the water supply target. Accordingly, if the above-mentioned ions are, for example, silver ions or zinc ions, the antibacterial effect inherent to such ions can be obtained in a water supply target. In addition, when the above-mentioned ions are, for example, copper ions, it is possible to obtain a fungicidal effect unique to copper ions in a water supply target.
- Spraying droplets containing silver ions and zinc ions having antibacterial properties, copper ions having antifungal properties, and the like in a shower or the like, the bacteria floating in the space, Mold and the like can be incorporated into droplets and inactivated by these ions.
- the above-mentioned inactivation means that an action such as sterilization, disinfection, sterilization, decomposition, or removal is performed. Further, by sprinkling the droplets containing such ions on the food, it is possible to prevent the food from spoiling and maintain the freshness.
- Silver ion, copper ion, zinc ion, nickel ion, palladium ion, platinum ion, rhodium ion, ruthenium ion, and the like have an effect of inhibiting plant aging and deterioration of freshness due to ethylene. Therefore, freshness can be maintained even when droplets containing these ions are sprinkled on plants such as vegetables, fruits, and cut flowers.
- the ion eluting section has an electrode for eluting metal ions and an outlet for water to the shower jetting section, and the outlet is provided for the electrode. It may be provided at a lower position than the lower end.
- the ion eluting section has an electrode for eluting metal ions and an outlet (a plurality of) of water to the shower jetting section.
- the configuration may include a first outlet provided at a position lower than the lower end of the electrode, and a second outlet provided at a position higher than the upper end of the electrode.
- the air in the ion elution portion can be extracted from the first outlet provided at a position higher than the upper end of the electrode, and the air can be removed from the first outlet to the position of the first outlet. That is, water can flow into the ion elution portion so as to cover the entire electrode. Thereby, the electrodes can be effectively used. Further, since the residual water in the ion elution section can be discharged from the second outlet provided at a position lower than the lower end of the electrode, the electrode does not penetrate into the residual water and is contained in the residual water. It is possible to avoid a situation in which the metal ions are deposited as a metal or a salt thereof and short-circuits between the electrodes.
- the shower injection unit may be constituted by a vibrator that atomizes water obtained through the input unit by vibration.
- the holes are small, water tends to accumulate in the channel, and the holes may be clogged by precipitates. Furthermore, water easily accumulates in the charging section, and especially in the case of a structure with electrodes, it is necessary to take measures such as receiving multiple outlets because there is a risk of a short circuit between the electrodes due to precipitates. Also, when high-concentration silver ion water is used or when a finishing substance such as a high-viscosity softener is used, the holes themselves may be clogged.
- the washing machine of the present invention includes the above-described water supply device of the present invention and the above-described water supply device.
- the container is provided with a storage tank in which rinsing is stored.
- the water containing the finishing substance from the water supply device is sprayed onto the laundry inside the storage tub in a shower state, so that the drying of the droplets attached to the laundry surface is accelerated.
- the finished material can then be crystallized in a state that is easy to elute. As a result, the finished substance then turns into moisture.
- finishing substance eg, antibacterial effect ⁇ softener effect
- the washing machine of the present invention is configured such that one of the first water containing the finishing substance and the second water not containing the finishing substance is jetted to the laundry.
- the configuration may further include control means for controlling the input of the finishing substance into water in the input section.
- the first water or the second water can be selectively injected from the shower injection unit to the water supply target under the control of the control means. If the first water is sprayed first and then the second water is sprayed, the finishing substance attached to the surface of the water supply target by the first water spray is removed by the second water spray. Water can be spread all the way back. Conversely, even when the second water is sprayed first on the water supply target and then the first water is sprayed on the water supply target, since the water supply target is wet by the second water spray, The finishing substance adhering to the surface of the water supply target by the water injection of 1 makes it easy to penetrate deep into the water supply target. Therefore, in any of the above cases, the effect exerted by the finishing substance (for example, an antibacterial effect) can be uniformly obtained for the entire laundry.
- the finishing substance for example, an antibacterial effect
- the control means injects the first water from the shower injection unit during at least one of a rinsing step, a dehydrating step, and a drying step. It may be a configuration.
- an effect for example, an antibacterial effect of the finishing substance contained in the first water is imparted to the laundry.
- an effect for example, an antibacterial effect
- control means preferably controls the first water above the first water during a drying step.
- a configuration in which the injection from the shower injection unit and the stop are repeated may be employed.
- control means may be configured to move the laundry while the first water is being injected.
- the first water that has been sprayed can cause the first surface of the laundry to be washed. There is no such thing as continuing to be injected into the same place. Accordingly, it is possible to eliminate unevenness in applying the first water to the laundry, and to obtain the effect of the finishing substance uniformly over the entire laundry.
- control means may be configured to blow air to the laundry while the first water is being injected.
- the first water attached to the laundry dries more quickly.
- crystals (finishing material) having smaller particles and more lattice defects can be reliably generated, and the finishing material can be more easily eluted and the effect of the finishing material can be more exerted. Can be.
- the finishing substance may be a metal ion.
- the metal ion is silver ion or zinc ion
- an antibacterial effect can be imparted to the laundry
- the metal ion is copper ion
- a fungicidal effect can be imparted to the laundry.
- the ability to do S That is, if the finishing substance is a metal ion, the antibacterial effect and the antifungal effect specific to the metal ion can be imparted to the laundry.
- the metal ions are silver ions, and the amount of metal attached to the laundry on which the first water containing the silver ions has been jetted is per 1 kg of the laundry.
- the composition may be 0.1 mg or more.
- the above-mentioned metal adhesion amount is less than 0.1 mg per 1 kg of laundry, if the laundry after washing is sealed in a wet state and allowed to stand for a predetermined time, an unpleasant odor is generated from the laundry. Is known to occur experimentally.
- the above-mentioned metal adhesion amount is 0.1 mg or more per kg of laundry, the antibacterial action of silver ions works effectively, so that generation of such unpleasant odor can be almost suppressed.
- the metal ions are silver ions, and the amount of metal adhered to the laundry on which the first water containing the silver ions has been jetted is per 1 kg of the laundry.
- the composition may be less than 19 mg.
- control means controls the water in the storage tub so that the drainage is stopped for a predetermined period after the shower water is injected from the shower injection unit. It may be configured to control a drain valve for draining water.
- control means controls the drain valve, for example, by closing the shower injection force drain valve.
- the drainage is stopped for a predetermined period of time, or the drainage valve is closed for a predetermined period of time after the shower injection from the shower injection unit is completed to prevent drainage during that period, so that the water remains in the storage tank.
- the finishing substance contained in the water can be surely adsorbed to the cloth (especially the lower cloth).
- control means may be configured to rotate the storage tub for a predetermined period after the end of the shower water jetting from the shower jetting unit.
- the drainage material is not drained for a certain period of time, so that the finishing substance can be absorbed.
- the contained water collects at the lower part of the storage tank by gravity.
- a stirrer panoleseta
- control means rotates the storage tank during the above-mentioned predetermined period, the water rises upward due to the centrifugal force at the time of rotation, so that the water can be brought into contact with the cloth, and It is possible to further increase the finish material to be applied.
- the drain valve located below does not need to be closed because the drain valve is not drained.
- the washing machine of the present invention further includes an input unit for setting a washing course, and an operation control unit for controlling operation of the washing course set by the input unit. Is a holeless tub, and the operation control unit agitates the laundry in the holeless tub when the tub washing course for washing the storage tub is set as the washing course by the input unit.
- the operation of the tank cleaning course may be controlled so that the tank cleaning is performed with the amount of water that the stirrer immerses.
- the storage tub is a perforated tub, only the part of the stirring member (panolesetter) for stirring the laundry may cause mold to enter the storage tub. Therefore, when the tank cleaning course is set by the input unit, if the tank cleaning is performed by the operation control unit with the amount of water enough to soak the stirring member, the tank cleaning can be effectively performed even with a small amount of water. As a result, it is possible to suppress the growth of bacteria and mold on the stirring member and inside the storage tank.
- the operation control unit may be configured to control the operation of the tub cleaning course so that the tub cleaning is performed with water containing metal ions.
- metal ions eg, silver ions or copper ions
- the growth of fungi and mold on the inside of the storage tank and on the surface of the stirring member can be effectively suppressed.
- the droplets of small-diameter particles that are easy to dry that is, the droplets in which the finishing substance is easily eluted by dissolving the crystal, are subjected to the sharp injection Since it is generated in the part and sprayed to the water supply target, the effect of the finish substance at the time of elution can be more easily exhibited, and the effect unique to the finish substance can be ensured Can get to.
- the water supply target is, for example, a water-repellent cloth or a hydrophobic cloth
- the finishing substance contained in the shower water is surely adhered to the cloth surface. S power. Therefore, even for a water supply target such as a water-repellent cloth or a hydrophobic cloth in which the finishing substance does not easily seep into the inside, the effect that the finishing substance exerts at the time of elution can be reliably obtained.
- FIG. 1 is a sectional view showing a schematic configuration of a washing machine according to one embodiment of the present invention.
- FIG. 2 is a cross-sectional view schematically showing a configuration of a water supply port of the washing machine.
- FIG. 3 is a flowchart showing an operation flow of an entire washing process by the washing machine.
- FIG. 4 is a flowchart showing a flow of an operation of a washing step in the washing step.
- FIG. 5 is a flowchart showing an operation flow of a rinsing step of the washing step.
- FIG. 6 is a flowchart showing an operation flow of a dehydration step in the washing step.
- FIG. 7 is a perspective view of the washing machine to which the water supply device of the present invention is attached when viewed from obliquely above.
- FIG. 8 is a side view schematically showing a schematic configuration of the water supply device.
- FIG. 9 is a perspective view schematically showing an external appearance and an internal structure of an ion elution unit of the water supply device.
- FIG. 10 is an explanatory diagram showing a schematic configuration of a drive circuit of the ion elution unit.
- FIG. 11 is an explanatory view showing the contents of a standard course and an antibacterial treatment course executed by the washing machine.
- FIG. 12 is a graph showing the relationship between the amount of deposited silver per 1 kg of laundry and the bacteriostatic activity value.
- FIG. 13 is a flowchart showing an example of an operation sequence in the washing machine.
- FIG. 14 is a graph showing the amount of silver attached to each sample when operated in the above sequence.
- FIG. 15 (a) is a cross-sectional view of a washing tub in which shower water is collected at a lower portion, and (b) is a cross-sectional view of a washing tub in which water inside rises due to rotation of the washing tub. It is a figure, (c) is sectional drawing of a washing tub in the state where the cloth wandered around by the centrifugal force at the time of rotation of a washing tub.
- FIG. 16 is a perspective view showing a schematic configuration of another washing machine of the present invention using an ultrasonic vibrator as a shower injection section.
- washing tub (container tub)
- Control unit (control means)
- water containing a finishing substance is sprayed onto a water supply target in the form of a shower, and water (droplets) of small-diameter particles adheres to the surface of the water supply target, so that the water can be easily dried.
- the most significant feature is that the finish substance crystallized by the drying of the water is easily dissolved in water again, and the inherent effect exerted by the finish substance is more easily exhibited.
- the water supply target is laundry, and the water supply device is If used in a dishwasher, the water supply is for dishes. If a water supply device is used for a shower device installed in, for example, a bathroom or washroom, the water supply target is a bather (human or animal) or a face washer (hair washer), and the water supply device is installed in a toilet. If it is used for a shower device, the water supply target is a human (buttock). Furthermore, if the water supply system is used for horticultural watering systems, the target of water supply is garden trees.
- the water supply device of the present invention supplies water to the above-mentioned water supply target.
- the watering device is provided with the water supply device of the present invention and sprays shower water from the water supply device to the water supply target.
- the above-described dishwasher, shower device, and watering device are assumed. be able to.
- the water supply device of the present invention can be applied to any device that supplies water to a water supply target.
- the water supply device of the present invention is used for washing the water supply device.
- An example applied to a machine will be described.
- FIG. 1 is a vertical sectional view showing the entire configuration of the washing machine 1.
- the washing machine 1 is of a fully automatic type and includes an outer box 10.
- the outer box 10 has a rectangular parallelepiped shape, is formed of metal or synthetic resin, and has an opening on the top and bottom surfaces.
- An upper surface plate 11 made of a synthetic resin is stacked on the upper surface opening of the outer case 10, and the upper surface plate 11 is fixed to the outer case 10 with screws.
- FIG. 1 if the left side is the front of the washing machine 1 and the right side is the back, a back panel 12 also made of synthetic resin is superimposed on the upper surface of the upper surface plate 11 located on the back side of the washing machine 1, The back panel 12 is fixed to the outer box 10 or the top plate 11 with screws. A synthetic resin base 13 is superimposed on the bottom opening of the outer case 10, and this base is fixed to the outer case 10 with screws. In FIG. 1, illustration of any of the screws described above is omitted.
- the front leg portion 14a is a variable height screw leg, which is turned to level the washing machine 1.
- the rear leg 14 b is a fixed leg integrally formed with the base 13.
- the upper surface plate 11 is provided with a laundry inlet 15 for introducing laundry into a washing tub 30, which will be described later.
- the lid 16 is connected to the upper surface plate 11 by a hinge 17, rotates in a vertical plane, and covers the laundry inlet 15 from above.
- a water tub 20 and a washing tub 30 also serving as a dehydration tub are arranged inside the outer case 10. Both the water tub 20 and the washing tub 30 have the shape of a cylindrical cup with an open top, each axis being vertical, the water tub 20 being on the outside, and the washing tub 30 being on the inside. So that they are arranged concentrically.
- the water tank 20 is suspended by a suspension member 21.
- the suspension members 21 are provided at a total of four locations so as to connect the lower portion of the outer surface of the water tank 20 and the inner surface corner of the outer box 10, and support the water tank 20 so that it can swing in a horizontal plane.
- the washing tub 30 has a tapered peripheral wall that gradually expands upwardly and gradually. Except for a plurality of dehydration holes 31 arranged annularly at the top of this peripheral wall, there is no opening through which liquid passes. That is, the washing tub 30 is of a so-called “holeless” type.
- An annular balancer 32 is attached to the edge of the upper opening of the washing tub 30. The balancer 32 has a function of suppressing vibration when the washing tub 30 is rotated at a high speed for dehydrating the laundry.
- a pulsator 33 for causing a flow of washing water or rinsing water in the tub is arranged.
- a drive unit 40 is mounted on the lower surface of the water tank 20.
- the drive unit 40 includes a motor 41, a clutch mechanism 42, and a brake mechanism 43, and a dehydrating shaft 44 and a pulsator shaft 45 project upward from the center thereof.
- the dewatering shaft 44 and the pulsator shaft 45 have a double shaft structure with the dewatering shaft 44 outside and the pulsator shaft 45 inside.
- the dewatering shaft 44 enters the water tub 20 from below upward, and is connected to and supports the washing tub 30.
- the pulsator shaft 45 penetrates through the water tub 20 from below and further into the washing tub 30, and is connected to and supports the pulsator 33. Seal members for preventing water leakage are arranged between the dewatering shaft 44 and the water tank 20 and between the dewatering shaft 44 and the pulsator shaft 45, respectively.
- a water supply valve 50 that opens and closes electromagnetically is arranged.
- the water supply valve 50 has a connection pipe 51 that penetrates through the back panel 12 and protrudes upward.
- Contact A water supply hose (not shown) for supplying tap water such as tap water is connected to the connecting pipe 51.
- the water supply valve 50 is connected to a water supply port 53 having a container shape.
- the water supply port 53 is located at a position facing the inside of the washing tub 30, and has a structure shown in FIG.
- FIG. 2 is a schematic vertical cross-sectional view of the water supply port 53 as viewed from the front.
- the water supply port 53 has an open front side, and a drawer 53a (a charging case) is inserted through the opening.
- the inside of the drawer 53a is divided into a plurality (two in this embodiment, left and right).
- the compartment on the left is a detergent room 54 that is a preparation space for storing detergent.
- the compartment on the right side is a finishing agent room 55 serving as a preparation space for storing a finishing agent for washing.
- a water inlet 54a that opens toward the inside of the water inlet 53 is provided.
- the finishing agent chamber 55 is provided with a siphon section 57.
- the water inlet 53 has a water inlet 56 for pouring water into the washing tub 30 at a location below the drawer 53a.
- the siphon section 57 includes an inner tube 57a that rises vertically from the bottom surface of the finishing agent chamber 55, and a cap-shaped outer tube 57b that covers the inner tube 57a.
- a gap through which water passes is formed between the inner pipe 57a and the outer pipe 57b.
- the bottom of the inner pipe 57a opens toward the bottom of the water supply port 53.
- the lower end of the outer tube 57b keeps a predetermined gap with the bottom of the finishing agent chamber 55, and this serves as an inlet for water.
- the water supply valve 50 is composed of a main water supply valve 50a, a sub water supply valve 50b, and a shower water supply valve 50c, and a connection pipe 51 is branched and connected to these three water supply valves.
- the water inlet side of the connection pipe 51 is connected to a water tap via a hose or the like.
- the main water supply valve 50a is connected to the ceiling opening of the water supply port 53 through the main water supply pipe 52a. This opening opens toward the detergent compartment 54. Therefore, the water flowing out from the main water supply valve 50a is poured into the detergent chamber 54 from the main water supply pipe 52a.
- the sub water supply valve 50b is connected to the opening of the ceiling of the water supply port 53 through the sub water supply pipe 52b. This opening opens toward the finishing agent chamber 55. Therefore, the water flowing out from the sub water supply valve 50b is poured into the finishing agent chamber 55 from the sub water supply pipe 52b. That is, The path from the in-water valve 50a to the washing tub 30 through the detergent room 54 and the path from the sub-water valve 50b to the washing tub 30 through the finishing agent room 55 are different systems.
- the shower water supply valve 50c is connected to the water supply device 300 of the present invention via the shower water supply pipe 52c.
- the water supply pipe 52 is composed of three water supply pipes, namely, a main water supply pipe 52a, a sub water supply pipe 52b, and a sharp water supply pipe 52c.
- a strainer (not shown) is arranged in the connection pipe 51.
- the strainer is provided to prevent foreign matter from entering the water supply valve 50 and the water supply device 300.
- drain hose 60 for draining water in the water tub 20 and the washing tub 30 out of the outer box 10 is attached. Water flows into drain hose 60 from drain pipe 61 and drain pipe 62.
- the drain pipe 61 is connected to a location near the outer periphery of the bottom surface of the water tank 20.
- the drain pipe 62 is connected to a position near the center of the bottom surface of the water tank 20.
- An annular partition 63 is fixed to the inner bottom surface of the water tank 20 so as to surround the connection point of the drain pipe 62 inside.
- An annular seal member 64 is attached to the upper part of the partition 63.
- an independent drainage space 66 is formed between the water tub 20 and the washing tub 30.
- the drainage space 66 communicates with the inside of the washing tub 30 through a drainage hole 67 formed at the bottom of the washing tub 30.
- the drain pipe 62 is provided with a drain valve 68 that opens and closes electromagnetically.
- An air trap 69 is provided at a position on the upstream side of the drain valve 68 of the drain pipe 62, and a pressure guiding pipe 70 extends from the air trap 69.
- a water level switch 71 which is a means for detecting the amount of water in the washing tub 30 or the water tub 20 is connected to the upper end of the pressure guiding tube 70.
- control unit 80 On the front side of outer case 10, control unit 80 is arranged.
- the control unit 80 is placed below the top plate 11 and receives an operation command from a user through an operation Z display unit 81 provided on the top surface of the top plate 11, and receives a drive unit 40, a water supply valve 50, An operation command is issued to the drain valve 68. Further, the control unit 80 issues a display command to the operation / display unit 81.
- the control unit 80 includes a drive circuit 120 (see FIG. 10) of the ion elution unit 100 described later.
- the flow rate detection means 185 is arranged downstream of the main water supply valve 50a in the water supply path.
- the flow detecting means 185 can be constituted by a known flow meter. In FIG.
- the flow location detecting means 185 is not limited to the force disposition location illustrated as being attached to the water supply valve 50, and may be provided at the ion elution unit 100 described later. , It may be provided at the water supply port 53. Further, the flow rate detection can be performed by a method which is obtained by calculating from a change in water amount per unit time detected by the water level switch 71 or a time required for the change in the unit water amount. Further, a configuration may be adopted in which the flow rate is set within a certain range by using a valve that does not detect the flow rate and that flows only within a certain range at a general feedwater pressure.
- the lid 16 is opened, and the laundry is put into the washing tub 30 from the laundry inlet 15. Then, the drawer 53a is pulled out from the water supply port 53, and the detergent is put into the detergent room 54. If necessary, fill the finishing agent into the finishing agent room 55 at the water inlet 53.
- the finishing agent may be added during the washing process, or may not be added if unnecessary. When you have finished setting the detergent and finish, push the drawer 53a into the water inlet 53.
- the detergent and the finishing agent may be added according to the standard load, detergent and water after detection.
- the washing courses executed by the washing machine 1 are roughly divided into a normal course and a tub washing course.
- the tub cleaning course is a course for cleaning at least one of the washing tub 30 and the water tub 20.
- These washing courses can be selected by the operation Z display section 81.
- each washing course is constituted by at least one of a washing step, a rinsing step, a dehydrating step and a drying step, which will be described later, as a washing step, or a combination thereof.
- the normal course is further divided into a standard course and an antibacterial treatment course.
- the standard course is a course for performing laundry washing, and includes a soft course, a scrubbing course, a dry course, a blanket course, and the like, depending on the type of laundry.
- These courses can be individually set by the operation / display unit 81, and at least one of a washing step, a rinsing step, a dehydrating step, and a drying step is selected and executed according to each course. .
- the time of the washing step, the rinsing step, the dehydration step, the drying step, the number of revolutions (stirring power), etc. are different depending on the purpose.
- the antibacterial treatment course is a course for performing antibacterial treatment on laundry.
- the antibacterial treatment course is set by the operation Z display section 81, basically, the same washing process as the standard course similarly set by the operation Z display section 81 is executed. Then, in the middle of the process (for example, a rinsing process), metal ions are eluted from the ion elution unit 100 (see FIG. 7), and water containing the metal ions is discharged from a shower injection unit 200 (see FIG. 7) described later.
- the laundry is supplied to the washing tub 30, and the laundry is subjected to antibacterial treatment. The details of this antibacterial treatment course will be described later.
- FIG. 3 is a flowchart showing the flow of the operation of the entire washing process.
- the entity that makes the predetermined determination is the control unit 80.
- step S201 it is confirmed whether or not the reserved operation for starting the washing at the set time is selected. If the reserved operation has been selected, the process proceeds to step S202, and if not, the process proceeds to step S203.
- step S202 it is confirmed whether or not the operation start time has come.
- step S203 the process proceeds to step S203.
- step S203 it is confirmed whether or not the washing process has been selected. If the washing process has been selected, the process proceeds to step S300, and if not, the process directly proceeds to step S204. The contents of the washing process in step S300 will be described separately with reference to the flowchart in FIG. After the washing step in step S300, the process proceeds to step S204.
- step S204 it is confirmed whether or not the rinsing step is selected. If the rinsing process has been selected, the process proceeds to step S400, and if not, the process directly proceeds to step S205. The contents of the rinsing step in step S400 will be described separately with reference to the flowchart of FIG. After the rinsing step in step S400, the process proceeds to step S205.
- step S205 it is confirmed whether or not the dehydration step is selected. If the dehydration step has been selected, the process proceeds to step S500, and if not, the process directly proceeds to step S206.
- step S500 The contents of the dehydration step in step S500 will be described separately with reference to the flowchart of FIG. After the completion of the dehydration step in step S500, the process proceeds to step S206.
- step S206 it is confirmed whether a drying step is selected. If the drying process has been selected, the process proceeds to step S600, and if not, the process directly proceeds to step S207.
- the drying step of step S600 for example, the laundry is dried by supplying warm air into the washing tub 30. The high-temperature and high-humidity air discharged from the washing tub 30 is cooled by cooling water (water-cooled dehumidification method), and the moisture in the air is converted into water and then discharged outside the machine. After the completion of the drying step in step S600, the process proceeds to step S207.
- step S207 the ending processing power of the control unit 80, particularly the arithmetic unit (microcomputer) included therein, is automatically advanced according to a predetermined procedure.
- step S208 the control unit 80 notifies the completion of the washing process with an end sound. After all the steps are completed, the washing machine 1 returns to the standby state in preparation for the next washing step.
- FIG. 4 is a flowchart showing a flow of the operation in the washing process. It should be noted that, in the following steps, the entity that makes the predetermined determination is the control unit 80.
- step S301 the water level data in the washing tub 30 detected by the water level switch 71 is merged.
- step S302 it is confirmed whether the capacity sensing has been selected. If the capacitance sensing has been selected, the process proceeds to step S308, and if not, the process directly proceeds to step S303.
- step S308 the amount of laundry is measured based on the rotational load of pulsator 33. The After the capacitance sensing, the process proceeds to step S303.
- step 303 the main water supply valve 50a is opened, and water is poured into the washing tub 30 through the main water supply pipe 52a and the water supply port 53. At this time, the detergent loaded in the detergent chamber 54 of the water supply port 53 is also put into the washing tub 30 mixed with water. At this point, the drain valve 68 is closed. When the water level switch 71 detects the set water level, the main water supply valve 50a closes, and the process proceeds to step S304.
- step S304 a running-in operation is performed.
- the pulsator 33 rotates in reverse, agitates the laundry and the water, and adapts the laundry to the water. This allows the laundry to absorb water sufficiently. In addition, air trapped in various parts of the laundry can be released. If the water level detected by the water level switch 71 is lower than the initial level as a result of the running-in operation, in step S305, the main water supply valve 50a is opened to supply water, and the set water level is restored.
- step S305 When a predetermined set water level is obtained in step S305, the process proceeds to step S306.
- step S306 the motor 41 rotates the pulsator 33 in a predetermined pattern according to the setting of the user, and forms a main water flow for washing in the washing tub 30.
- the laundry is washed by the main water flow.
- the dehydrating shaft 44 is braked by the brake device 43, and the washing tub 30 does not rotate even if the washing water and the laundry move.
- step S307 the pulsator 33 is turned upside down to loosen the laundry so that the laundry is distributed in the washing tub 30 in a well-balanced manner. This is to prepare for the spinning of the washing tub 30.
- FIG. 5 is a flowchart showing the flow of the operation in the rinsing step. It should be noted that, even in the following steps, the controller that makes the predetermined determination is the control unit 80.
- the force required for the dehydration step in step S500 This will be described with reference to the flowchart of FIG.
- the process proceeds to step S401.
- step S401 the main water supply valve 50a is opened, and water is supplied to the set water level. If the addition of the finishing agent is also selected, the sub-water supply valve 50b is also opened, water is supplied, the finishing agent is poured into the washing tub 30 through the siphon section 57, through the water inlet 56, and then.
- step S402 the running-in operation is performed.
- the laundry stuck to the washing tub 30 is peeled off in step S500 (dehydration process), and the laundry is absorbed into water, so that the laundry can absorb water sufficiently.
- step S403 As a result of the running-in operation, if the water level detected by the water level switch 71 is lower than the set water level, the main water supply valve 50a is opened to supply water and recover the set water level.
- step S404 the motor 41 rotates the pulsator 33 in a predetermined pattern according to the setting of the user, and forms a main water flow for rinsing in the washing tub 30.
- the laundry is stirred by the main water flow, and the laundry is rinsed.
- the dehydrating shaft 44 is braked by the brake device 43, and the washing tub 30 does not rotate even if rinsing water and laundry move.
- step S405 the pulsator 33 is turned upside down to loosen the laundry. This allows the laundry to be distributed in the washing tub 30 in a well-balanced manner, thus preparing for the spin-drying operation.
- FIG. 6 is a flowchart showing a flow of the operation in the dehydration step. It should be noted that, in the following steps, the entity that makes the predetermined determination is the control unit 80.
- step S501 the drain valve 68 is opened. This allows the washing water in the washing tub 30 Is discharged through the drainage space 66.
- the drain valve 68 remains open during the dewatering process
- Step S503 the power supply to the motor 41 is stopped, and stop processing such as applying a brake is performed.
- step S502 and step S503 the following operation is performed. That is, when most of the washing water has drained from the washing tub 30 and the laundry, the clutch device 42 and the brake device 43 are switched. The switching timing of the clutch device 42 and the brake device 43 may be before starting drainage or simultaneously with drainage. Then, the motor 41 rotates the spinning shaft 44 this time. As a result, the washing tub 30 performs spin-drying. At this time, the pulsator 33 also rotates together with the washing tub 30.
- the washing tub 30 When the washing tub 30 rotates, the laundry is pressed against the inner peripheral wall of the washing tub 30 by centrifugal force.
- the washing water contained in the laundry also collects on the inner surface of the peripheral wall of the washing tub 30.
- the washing tub 30 since the washing tub 30 is tapered and spread upward, the washing water subjected to the centrifugal force rises inside the washing tub 30.
- the washing water is discharged from the dehydration hole 31 when reaching the upper end of the washing tub 30.
- the washing water that has left the dewatering hole 31 is beaten to the inner surface of the water tub 20 and flows down the inner surface of the water tub 20 to the bottom of the water tub 20. Then, the washing water is discharged to the outside of the outer box 10 through the drain pipe 61 and the subsequent drain hose 60.
- FIG. 7 is a perspective view of the washing machine 1 to which the water supply device 300 is attached, as viewed obliquely from above.
- FIG. 8 shows a schematic side view of the water supply device 300.
- the water supply device 300 is a device for supplying water to laundry to be supplied with water, and includes an ion elution unit 100 and a shower injection unit 200.
- the ion elution unit 100 and the squirt injection unit 200 are connected via a connection pipe 250.
- the ion elution unit 100 supplies the laundry to be supplied with water from the shower water supply pipe 52c. It is an input section for inputting a finishing substance to water to be discharged, and an ion eluting section for eluting metal ions as the above-mentioned finishing substance and inputting it into water passing therethrough.
- the ion elution unit 100 has a housing 110, a population 111, an outflow port 112, electrodes 113 and 114, and terminals ⁇ ⁇ 115 and 116 (see FIG. 9).
- the housing 110 houses the electrodes 113 and 114, and is made of an insulating material such as synthetic resin, silicon, and rubber.
- the housing 110 is formed by screwing the upper housing 110a and the lower housing 110b with screws 117 at several places.
- the casing 110 has a circular cross section, and has a substantially columnar shape as a whole.
- the ion elution unit 100 can have a pressure-resistant structure.
- a high internal pressure is applied to the inside of the housing 110 of the ion elution unit 100 by squeezing the injection port for performing the shower injection in the shower injection unit 200 described later.
- the casing 110 has a substantially cylindrical shape, such internal pressure is evenly distributed in the circumferential direction, so that it is possible to withstand such internal pressure. Thereby, destruction of the ion elution unit 100 due to the internal pressure can be prevented.
- the shape of the housing 110 is not limited to the above-described substantially columnar shape, and a pressure-resistant structure can be easily realized even if the shape is an ellipse, a sphere, or a rotating ellipsoid.
- the inflow port 111 is an inflow port of water supplied from the shower water supply pipe 52c into the housing 110, and water flows into the housing 110 via the inflow port 111.
- the outlet 112 is an outlet for water from the housing 110 to the shower jet unit 200.
- the water in the housing 110 is supplied to the shower injection unit 200 via the outlet 112 and the connection pipe 250.
- two outlets 112a and 112b are provided. The positional relationship between the outlets 112a and 112b will be described later.
- FIG. 9 is a perspective view schematically showing the external appearance and internal structure of the ion elution unit 100.
- the electrodes 113 and 114 are formed in a flat plate shape, and are arranged in the housing 110 in parallel at a predetermined interval. A voltage is applied between these two electrodes 1 13 and 114 via terminal sections 115 and 116 described later. As a result, for example, the constituent metal of the electrode is eluted at the anode electrode and added to the water in the housing 110.
- the metal constituting electrodes 113 and 114 is preferably silver, copper, zinc, or an alloy thereof. Silver ions eluted from the silver electrode and zinc ions eluted from the zinc electrode have an excellent sterilizing effect, and copper ions eluted from the copper electrode have an excellent antifungal property. In addition, since the ions of the component metals can be simultaneously eluted from these alloys, an excellent sterilizing effect and an antifungal effect can be obtained.
- the antibacterial mechanism when the electrodes 113 and 114 are silver electrodes will be specifically described as follows.
- Sweat is naturally odorless, and contains glycerides, which are composed of fatty acids and glycerin, as one of its components.
- glycerides which are composed of fatty acids and glycerin, as one of its components.
- bacteria break down the glycerides the fatty acids decomposed from the glycerides emit an odor.
- the terminals 115 and 116 are for applying a voltage to the electrodes 113 and 114.
- the electrode 113 and the terminal 115 are made of the same metal (for example, silver), and the electrode 114 and the terminal 116 are made of the same metal (for example, silver).
- the terminal portions 115 and 116 penetrate the external force of the housing 110 and are electrically connected to the electrodes 113 and 114 through the housing 110. Terminal portions 115 and 116 outside the casing 110 are connected to a drive circuit 120 (see FIG. 10) of the control unit 80 described later.
- the terminal portions 115 and 116 are formed in a columnar shape. As a result, the terminal portions 115 and 116 and the housing 11
- the sealing property with 0 can be improved.
- a large internal pressure due to the shower injection is applied to the terminal portions 115 and 116 by forming the terminal portions 115 and 116 into a columnar shape, that is, a circular cross section. It is evenly distributed in the circumferential direction of 115 and 116. Accordingly, the terminal portions 115 and 116 can be prevented from being damaged, and the sealing performance between the terminal portions 115 and 116 and the housing 110 can be enhanced.
- the terminal portions 115 and 116 only need to have a circular cross section at least in a penetrating portion of the housing 110.
- the terminal portions 115 and 116 are configured to have a circular cross section over the entire area in the axial direction as in the present embodiment, the production of the terminal portions 115 and 116 becomes difficult, and the production of the ion eluting unit 100 is reduced. It also has the advantage of improved performance.
- the terminal portion 115 and the electrode 113, and the terminal portion 116 and the electrode 114 may be formed by integral molding. However, the terminal portion 115-116 having a columnar shape and the electrode 113- In this embodiment, the terminal portions 115 and 116 are electrically connected to the electrodes 113 and 114 by silver plating because it is difficult to integrally form them with the electrodes 114 and 114.
- silver plating refers to, for example, using a silver alloy of silver and tin as a base material and melting a base material that melts at a lower temperature than the base material without melting the base metal. It is a method of bonding to materials.
- a plurality of outlets 112a ′ 112b are provided in the housing 110, and these outlets 112a ′ 112b are connected to each other. It is provided so that there is a height difference. That is, the outlet 112a is provided at a position higher than the outlet 112b.
- the outlet 1 12a is connected to the shower injection unit 200 (200a) via the connecting pipe 250 (250a), and the outlet 112b is closed via the connecting pipe 250 (250b). It is connected to one injection unit 200 (200b).
- the outlet 112b (first outlet) located at the lowermost position is provided at a position lower than the lower ends A of the electrodes 113 and 114 of the ion elution unit 100.
- the residual water in the housing 110 located above the outlet 112b can be discharged from the outlet 112b, and the entire electrodes 113 and 114 can be reliably prevented from being immersed in the residual water.
- a short circuit between the electrodes 113 and 114 can be reliably avoided.
- a hydraulic power containing no metal ion or water having a low metal ion concentration may be sprayed for a predetermined amount or for a predetermined time.
- the outlet 112b located at the lowest position is provided in contact with the lower surface of the housing 110.
- the contact with the lower surface means that the lowermost force of the outlet 112b is at the same height position as the lower surface of the housing 110.
- almost all the residual water in the casing 110 can be discharged from the outlet 112b. Therefore, in addition to the above-described effect of preventing a short circuit between the electrodes 113 and 114, inconvenience caused by freezing of residual water, that is, deformation and destruction of the housing 110, and the fact that the inside of the housing 110 is blocked and water does not flow. You can prevent things from happening.
- the uppermost outlet 112a (second outlet) is provided at a position higher than the upper ends B of the electrodes 113 and 114 of the ion elution unit 100. .
- the air in the housing 110 can be removed from the outlet 112a. Therefore, at least up to that position, the level of water flowing into the ion elution unit 100 can be raised, so that the entire electrodes 113 and 114 located at a position lower than the uppermost outlet 112a can be immersed in water. Can be done. Therefore, the electrodes 113 and 114 in the housing 110 can be used effectively without fail.
- the outlet 112a located at the top is provided in contact with the upper surface of the housing 110.
- the contact with the upper surface means that the uppermost force of the outlet 112a is at the same height position as the upper surface of the housing 110.
- most of the air present in the housing 110 escapes from the outlet 112a.
- the level of the water flowing into the housing 110 can be reliably raised to the upper part of the housing 110, and the electrodes 113 and 114 in the housing 110 can be used more reliably and effectively.
- the squirt injection unit 200 is configured to squirt water obtained via the ion elution unit 100 as an input unit into a water supply object.
- the shower-like water refers to water (droplets) of small-diameter particles that intermittently pour down into the water supply target (the laundry in this case) in the washing tub 30.
- Such shower water can be sprayed from the above-mentioned spray port by narrowing down the spray port of the shower spray section 200 and mixing a predetermined amount or more of water with air within a predetermined time and supplying the mixture to the spray port. is there.
- the diameter (size) of the water droplet of the shower water is not particularly limited.
- the point of the present invention is to make drying of water attached to a water supply target by spraying as fast as possible and to make crystals of a finishing substance dissolved in the water larger, so that only the ease of drying can be considered. For example, it is desirable that the shower water be mist.
- the size of the shower water droplet may be appropriately set in consideration of the drying speed of the water droplet and the water supply time. Note that, for example, even if water droplets are as large as shower water in a bathroom, the surface area of the water droplets will be larger than that of the same amount of water and it will be easier to dry. The effect of the invention can be sufficiently obtained.
- a plurality of shower jet units 200 for jetting such shower water are provided corresponding to the plurality of outlets 112 described above. That is, a shower injection unit 200a is provided corresponding to the outlet 112a, and a shower injection unit 200b is provided corresponding to the outlet 112b. These shower spray units 200a and 200b are located above the washing tub 30, and spray shower-like water toward the inside of the washing tub 30.
- each of the shower injection sections 200a '200b is connected to each of the outlets 112a and 112b through each of the connection pipes 250a and 250b so that a height difference is formed between them. That is, the sharp injection unit 200a is provided at a position higher than the shower injection unit 200b, and the height difference H is, for example, 1 cm.
- each shower injection unit 200a '200b By providing such a height difference in each shower injection unit 200a '200b, when the supply of metal ion water to the water supply target is stopped (when water is stopped), the shower injection unit 200a located at a higher position is set. , A water pressure difference (head difference) is generated between the lower part and the shower jet part 200b. As a result, even when metal ion water remains in the entire water supply device 300 at the time of water stoppage, the remaining water is supplied from the shower spray unit 200a at a high position to the connection pipe 250a, the ion elution unit 100, and the connection pipe 250b. Through the shower jet part 200b at a low position, and exits from the shower jet part 200b to the outside.
- the lowermost shower jet unit 200b is provided at a position lower than the lower ends A of the electrodes 113 and 114 of the ion eluting unit 100.
- residual water existing above the lowermost shower injection unit 200b in the ion elution unit 100 can be discharged, and the remaining water can be discharged above the shower injection unit 200b in the ion elution unit 100.
- the electrodes 113 and 114 located are not immersed in the residual water. As a result, a short circuit between the electrodes 113 and 114 caused by metal ions contained in the residual water can be avoided.
- FIG. 10 is an explanatory diagram showing a schematic configuration of the drive circuit 120.
- a transformer 122 is connected to the commercial power supply 121, and the transformer 122 steps down 100V to a predetermined voltage. After the output voltage of the transformer 122 is rectified by the full-wave rectifier circuit 123, the output voltage is made constant by the constant voltage circuit 124.
- the constant voltage circuit 124 is connected to a constant current circuit 125.
- the constant current circuit 125 operates so as to supply a constant current to an electrode drive circuit 150 described later irrespective of a change in a resistance value in the electrode drive circuit 150.
- a rectifier diode 126 is connected to the commercial power supply 121 in parallel with the transformer 122. After the output voltage of the rectifier diode 126 is smoothed by the capacitor 127, the output voltage is made constant by the constant voltage circuit 128 and supplied to the microcomputer 130.
- the microphone computer 130 controls the activation of a triac 129 connected between one end of the primary coil of the transformer 122 and the commercial power supply 121.
- the electrode driving circuit 150 is configured by connecting NPN transistors Q1 to Q4, diodes D1'D2, and resistors R1 to R7 as shown in the figure.
- the transistor Q1 and the diode D1 constitute a photo blur 151
- the transistor Q2 and the diode D2 constitute a photo power blur 152. That is, the diodes D1 and D2 are photodiodes, and the transistors Q1 and Q2 are phototransistors.
- the electrode 113 on the anode side in Fig. 10 wears out, and the electrode 114 on the cathode side includes water in the water. Impurities adhere as scale. In addition, chlorides and sulfides of the component metals of the electrode are generated on the electrode surface. Since this leads to a decrease in the performance of the ion elution unit 100, the present embodiment is configured so that the electrode drive circuit 150 can be operated by reversing the polarity of the electrode.
- the microcomputer 130 switches the control so that the voltage of the line L1'L2 is reversed so that the current flows through the electrodes 113 and 114 in the reverse direction. In this case, the transistors Q1 'and Q4 turn off, and the transistors Q2 and Q3 turn off.
- the microcomputer 130 has a counter function, and performs the above-described switching every time a predetermined count is reached.
- the constant current circuit 125 outputs the output. Increase the voltage to prevent the current from decreasing.
- the ion elution unit 100 reaches the end of its life.
- the polarity of the electrode is reversed, the time of the specific polarity is set longer than in normal times, the mode is switched to the electrode cleaning mode for forcibly removing impurities attached to the electrode, and the output voltage of the constant current circuit 125 is increased. Even if it does, the current decrease cannot be prevented.
- the current flowing between the electrodes 113 and 114 of the ion elution unit 100 is monitored by the voltage generated at the resistor R7, and when the current reaches a predetermined minimum current value, this is detected by the current detection means. Is to detect.
- the current detection circuit 160 is the current detection means.
- the information that the minimum current value has been detected is transmitted from the photodiode D3 constituting the photo power blur 163 to the microcomputer 130 via the phototransistor Q5.
- Microcomputer 130 drives the notification means via line L3, and makes a predetermined warning notification.
- the warning notification means 131 is the notification means.
- the warning notification means 131 is arranged in the operation / display unit 81 or the control unit 80.
- the microcomputer 130 drives the warning notification means 131 based on the output of the current detection means.
- the current detection circuit 161 is the current detection means.
- the voltage detection circuit 162 detects this, and the microphone computer 130 drives the warning notification means 131 similarly.
- the microcomputer 130 may be provided exclusively for operating the electrode driving circuit 150, or may be integrated with the microcomputer of the control unit 80 that controls the entire operation of the washing machine.
- the control unit 80 controls the voltage application to the electrodes 113 and 114 in the ion elution unit 100 to thereby control the electrodes 113 and 114.
- Silver ions eluted from the water into the water in the housing 110 can be controlled.
- the control unit 80 can control the elution amount of the metal ions, in other words, the concentration of the metal ions in the metal ion water by controlling the current applied to the electrodes 113 and 114 and the voltage application time.
- the use of metal ions can be selected or adjusted and the concentration of metal ions can all be controlled electrically, which is convenient.
- the control unit 80 adjusts the amount of water supplied to the ion elution unit 100 per unit time (water supply flow rate, water supply speed) by adjusting the opening and closing amount of the water supply valve 50 (shaper water supply valve 50c). By doing so, it is also possible to control the metal ion concentration of the metal ion water.
- control unit 80 can control the input / non-input of the eluted silver ions into the water by controlling the voltage application to the electrodes 113 and 114, so that
- the charging section (ion eluting unit) is configured such that one of the first water containing silver ions and the second water containing no finishing substance is sprayed from the spraying section 200 to the water supply target (laundry).
- G) can function as control means for controlling the introduction of silver ions into water.
- the control unit 80 After the water is jetted to the water supply target, control may be performed to inject the second water from the shower injection unit 200 to the water supply target.
- the control unit 80 applies voltage to the electrodes 113 and 114 of the ion elution unit 100 to elute silver ions into water while continuously supplying water to the shower injection unit 200 via the ion elution unit 100.
- it can be realized by stopping the voltage application and stopping the elution of silver ions while continuously supplying the water.
- silver ions adhering to the laundry near the surface layer to which the first water is applied can be moved to the back laundry by spraying the second water.
- silver ions can be spread throughout the laundry.
- the antibacterial effect exerted by silver ions can be obtained uniformly for the entire laundry.
- control unit 80 injects the second water (stops the input of silver ions) after the injection of the first water (after the input of silver ions), so that the ion elution unit 100 Even if residual water is generated in the inside, the residual water can be used as the second water not containing silver ions. Thus, even if residual water is generated in the ion elution unit 100, a situation in which silver ions are precipitated as silver conjugates and short-circuits between the electrodes 113 and 114 can be reliably avoided. .
- control unit 80 may inject the first water from the shower injection unit 200 after the second water is injected.
- the first water containing silver ions is jetted to the surface of the laundry, so that the silver ions permeate the laundry. It gradually penetrates to the back through the water of 2.
- the antibacterial effect exerted by silver ions is wider than that of the case where only the first water is sprayed on the laundry. Range can be obtained.
- the shower containing silver ions is controlled by the control unit 80 during the operation of the desired standard course selected by the operation / display unit 81 at the same time.
- Water containing water (first water) or silver ions, shower water (second water) It is sprayed from the shower spray unit 200 at the moment.
- FIG. 11 shows the contents of the standard course and the antibacterial treatment course.
- (1) shows the contents of the standard course
- (2)-(6) shows the contents of the antibacterial treatment course.
- a mark “ ⁇ ” indicates a washing step to be executed, and a mark “ ⁇ ” indicates that shower water is supplied from the shower injection unit 200 together with the washing step.
- the power to execute all the washing steps of washing, rinsing, dehydrating, and drying for example, washing, rinsing, and dehydrating without drying. It is also possible not to perform a specific one of these steps, or to perform only a specific one of these steps, such as performing only a specific step.
- control unit 80 supplies the first water containing silver ions to the shower injection unit during the rinsing step of the washing step. Control to inject from 200.
- shower rinsing is a process of rinsing the laundry in the washing tub 30 while supplying normal tap water with a shower (main water supply) from a water supply port 53 (see FIGS. 1 and 2) different from the shower injection unit 200. It is.
- the rinsing is a process of rinsing the laundry by storing water supplied from the water supply port 53 in the washing tub 30.
- the first water containing silver ions is sprayed from shower shower unit 200, so that the first water adheres to the laundry when the laundry is rinsed.
- the silver ions contained in the first water adhere to the laundry, so that the antibacterial effect of the silver ions can be imparted to the laundry. That is, the laundry can be subjected to the antibacterial treatment with the first water injected from the shower injection unit 200.
- the rinsing step in the antibacterial treatment course of (2) in Fig. 11 there are the following variations.
- the rinsing process power S which consists of at least one shower rinsing process and does not include the rinsing process, or
- the rinsing process has at least one shower rinsing process and the rinsing process.
- a shower rinsing step may be performed.
- the control unit 80 sets the final In the shower rinsing step, control is performed such that the first water containing silver ions is jetted from the shower jetting unit 200. If the shower rinsing step is performed only once, the shower rinsing step to be executed is the final shower rinsing step.
- the shower water By the main water supply, the silver ions are washed away, and not only the antibacterial effect of the silver ions is not exerted on the laundry, but also the silver ions are wasted.
- the silver ions attached to the laundry surface as described above are washed away. Does not occur. Therefore, compared to the case where the first water is jetted in the shower rinsing step other than the final shower rinsing step, the amount of silver ions that are washed out and wasted can be reduced.
- the control unit 80 shower-sprays the second water without silver ions. Control for jetting from the unit 200 may be performed.
- the second water can be used as rinse water for the laundry after the washing step.
- control means controls the first water to be jetted from the shower jet unit 200 in the final rinsing step.
- the amount of silver ions contained in the rinsing water stored in washing tub 30 can be adjusted according to the amount of the first water injected from shower injection unit 200.
- the ratio of the first water injection amount to the main water supply amount from the water supply port 53 indicates that the rinse water is to be supplied.
- the silver ion concentration can be adjusted.
- the specifications of the washing machine 1 are such that the current force flowing through the electrodes 113 and 114 of the ion elution unit 100 is 3 ⁇ 49 mA, the water supply flow rate of the shower water supply valve 50c is 2 L / min, and It is assumed that the water power is S40L.
- the silver ion concentration of the first water injected from the shower injection unit 200 is 900 ppb (part
- the injection amount of the 90 Oppb silver ion water is to be reduced, and if it is desired to be higher, the injection amount of the silver ion water is 900 ppb. You only need to increase the amount.
- the control section 80 injects the first water containing silver ions from the sharp spray section 200, so that the silver ion concentration of the rinse water can be adjusted. It is possible to set the silver ion concentration of the rinsing water appropriately according to the ratio (the amount of water to the amount of laundry). As a result, in the rinsing step, it is possible to appropriately perform the desired antibacterial treatment according to the bath ratio.
- the washing machine 1 includes an input unit (operation Z display unit 81) for setting a washing course, and an operation control unit (control unit 80) for controlling the operation of the washing course set by the input unit.
- the operation control unit when the tub washing course for washing the washing tub by the input unit is set as the washing course, the operation control unit The operation of the tub cleaning course may be controlled so that the tub cleaning is performed with an amount of water into which the stirring member (pulsator 33) for stirring the laundry is soaked.
- the amount of water is small, it is easy to increase the silver concentration. Therefore, in the case of the above-described configuration, the effect against mold is easily increased. Further, if the washing tub 30 is a holeless tub, only the pulsator 33 can mold and enter the washing tub, so that even a small amount of water is effective. For example, using about 6 liters of 600 ppb silver ion water has a sufficient effect on mold in 33 parts of the pulsator, and the amount of silver used is 3.6 mg, which is the same as when using 40 liters of 90 ppb silver ion water. Yes, the effect on the life of the silver electrode can be suppressed.
- the operation control unit controls the operation of the bath cleaning course so that the bath cleaning is performed with water containing metal ions (eg, silver ions) as described above.
- metal ions eg, silver ions
- the controller 80 causes the first water containing silver ions to be sprayed from the shower sprayer 200 during the dehydration process of the washing process. Perform control.
- the force at which the above-described rinsing step is performed In the step before the dehydration step, the force at which the above-described rinsing step is performed.
- the laundry sufficiently contains moisture. Therefore, by spraying the first water containing silver ions from the shower spray unit 200 during the subsequent dehydration step, the first water adheres to the laundry surface and is included in the adhered first water. Silver ions are easy to permeate deep into the laundry. As a result, the antibacterial effect of silver ions can be imparted to almost the entire laundry.
- control unit 80 may perform control of injecting first water containing silver ions from shower injection unit 200 after dehydration. That is, here, the dehydration starting force up to the first water injection operation after the dehydration is referred to as a dehydration step as a whole.
- the laundry is slightly moist even after dehydration, so a first spray of water is applied to such laundry.
- the silver ion power contained in the first water is easy to penetrate deep into the laundry.
- control unit 80 supplies the first water containing silver ions in both the rinsing step and the dehydrating step of the washing step. Control to eject from shower ejection section 200 is performed.
- the process force for attaching silver ions to the laundry is a two-stage process of the rinsing process and the dewatering process, so that silver ions are attached to the laundry only in one of the processes.
- the silver ions can be more securely attached to the laundry, and more silver ions can be attached to the laundry.
- a high antibacterial effect of silver ions can be reliably obtained in laundry.
- the control unit 80 causes the first water containing silver ions to be sprayed from the shower spray unit 200 during the drying process of the washing process. Perform control.
- the control unit 80 causes the first water containing silver ions to be sprayed from the shower spray unit 200 during the drying process of the washing process. Perform control.
- the drying step of forcibly drying the laundry by, for example, supplying hot air is performed, and the first water containing silver ions is jetted from the shower jetting unit during the drying step, After being attached to the laundry, the first water dries at a faster rate than when naturally drying. As a result, a crystal having smaller grains and more lattice defects can be generated. As a result, silver ions are more easily eluted the next time the crystals come into contact with moisture, and the antibacterial effect of the silver ions can be easily exerted on the laundry.
- control unit 80 may perform control of repeating the injection and stop of the first water from the shower injection unit 200 during the drying step.
- the first water that has been sprayed earlier on the laundry is dried between the first and subsequent sprays of the first water, and the first water that has first adhered to the laundry is dried. Dries quickly. As a result, crystals having smaller grains and more lattice defects can be generated, silver ions can be more easily eluted, and the antibacterial effect of silver ions can be more easily exerted.
- control unit 80 may control the rotation of the washing tub 30 during the injection of the first water containing silver ions.
- the position of the laundry stored therein also changes, so that the first hydraulic power that is being sprayed cannot be kept at the same location on the surface of the laundry. It is possible to eliminate uneven contact with the laundry.
- control unit 80 may be configured to rotate the pulsator 33 (stirring member) for stirring the laundry during the injection of the first water. If the pulsator 33 is rotated during the injection of the first water, the laundry is agitated, so that even if the laundry overlaps, the first water is washed.
- control unit 80 may perform control to blow air to the laundry during the injection of the first water. This blowing may be performed not only in the drying step but also in the rinsing step or the dehydrating step. If the laundry is blown during the injection of the first water, the first water attached to the laundry dries more quickly, so that crystals having smaller particles and more lattice defects can be surely generated. Thereby, silver ions contained in the first water can be more easily eluted, and the antibacterial effect of silver ions can be more easily exerted.
- the control unit 80 controls the jetting of the first water containing silver ions from the shower jetting unit 200 by combining the aforementioned antibacterial treatment courses (2) to (6). You can do it. In other words, the control unit 80 may cause the shower water jetting unit 200 to shower-spray the first water containing silver ions in any two or more of the rinsing step, the dehydrating step, and the drying step in the washing step. Les ,.
- the force S for performing the shower jet of the first water in the two washing steps of the rinsing step and the dehydrating step is not limited to this course. By shower-spraying the first water at, the amount of silver ions attached to the laundry can be increased, and the antibacterial effect of silver ions can be greatly increased.
- control unit 80 controls the jetting of the first water from the shower jetting unit 200 during at least one of the rinsing step, the dehydrating step, and the drying step. It can be said.
- the control unit 80 may cause the shower water jetting unit 200 to shower-spray the first water based on the determination result.
- the control unit 80 may execute the antibacterial treatment course of the above (3). In other words, this In this case, the control unit 80 shower-sprays the first water only in the rinsing step (particularly, the rinsing step) in the washing step. Further, when the dry course of the standard course is set together with the antibacterial treatment course, the control unit 80 may execute the antibacterial treatment course of the above (5). That is, in this case, the control unit 80 performs shower jetting of the first water in the rinsing step and the dehydrating step during the washing step.
- the timing (timing) of the shower injection of the first water containing silver ions may be selected or designated by the user by setting on the operation / display unit 81.
- the above-mentioned shower injection timing is set by default only for the rinsing step, and when the user wants to perform the holding power and antibacterial treatment, the operation Z display section 81 displays the rinsing step and dehydration.
- the setting may be changed to both of the steps.
- the relationship with the odor was examined, and the suitable range of the silver deposition amount was examined.
- the antibacterial effect was evaluated with reference to a quantitative test method (bacterial solution absorption method) based on JIS (Japanese Industrial Standards) L1902: 2002. More specifically, the bacteria solution was inoculated into each of the cloth A1 that had been de-slanted and had not been subjected to the antibacterial treatment, and the cloth A2 that had been subjected to the antibacterial treatment. After storage for a period of time, the number of each bacterium was measured, and the difference between these log increase / decrease values was defined as a bacteriostatic activity value.
- the test is usually performed using Staphylococcus aureus or the like, but in the present embodiment, the test was changed to Trichophyton.
- FIG. 12 is a graph showing the relationship between the silver deposition amount and the bacteriostatic activity value based on the results in Table 1.
- the bacteriostatic activity value is 2 or more, it is recognized that there is an antibacterial effect. It can be said that it has an antibacterial effect.
- the relative ratio is shown assuming that the reflectance at the moment is 1.
- the amount of silver per lkg of laundry is required to be at least 0.1 mg and 0.9 mg or more. It can be said that it is desirable that the dose be 1 mg or more. Also, it can be said that the upper limit of the amount of silver attached per kg of laundry is more preferably less than 19 mg and less than 10 mg. Therefore, a suitable range of the silver deposition amount per kg of laundry can be obtained by variously combining these lower and upper limits.
- S708 differs from S709 in which the drain valve 68 is opened and the washing tub 30 is rotated in that the washing tub 30 is rotated while the drain valve 68 is closed.
- the control unit 80 controls the washing so that the drainage is stopped for a predetermined period (5 minutes in the above example) after the shower water is injected from the shower injection unit 200.
- the drainage valve 68 for draining the water in the tub 30 is controlled, and the control for rotating the washing tub 30 is performed for a predetermined period.
- control of the drain valve 68 by the control unit 80 may be performed as follows, for example.
- the shower injection unit 200 closes the drainage valve 68 during shower injection, and stops drainage for a predetermined period (for example, 5 minutes) after shower injection.
- the drain valve 68 is closed for a predetermined period (for example, 5 minutes) after the shower water is injected from the shower injection unit 200, so that the drain water is not drained during that time.
- Washing was performed in such a sequence. Twelve samples were taken out of the washed cloth and the amount of deposited silver was measured. As shown in FIG. The amount of silver deposited was 0.9 mg or more, and the average was 2.0 mg. The sampnoles prepared under these conditions were tested using Trichophyton bacillus with reference to the quantitative test method (bacterial solution absorption method) based on JIS (Japanese Industrial Standards) L1902: 2002. Bacterial activity was 2.0 or higher, indicating antibacterial activity.
- the sampnole prepared in the sequence of FIG. 13 and the sample that was rinsed with water having a silver ion concentration of 90 ppb at the final rinsing and was not sprayed with a shower were used as the bacterial species.
- a quantitative test method bacterial solution absorption method based on JIS (Japanese Industrial Standards) L1902: 2002 was carried out. The latter was less than 2.
- a polyester fiber which is a hydrophobic fiber instead of cotton, was used, and the sample shown in Fig. 13 was used, and water having a silver ion concentration of 90 ppb was used during final rinsing.
- Strain Staphylococcus aureus was used as the bacterial species for the sample that was rinsed and not sprayed, and a quantitative test method (bacterial liquid absorption method) based on JIS (Japanese Industrial Standards) L1902: 2002 was used.
- JIS Japanese Industrial Standards
- dehydration rotation (S708) is performed, whereby silver ion water supplied by the shower is moved upward by centrifugal force and washed by intermediate dehydration (S706) in advance. This has the effect of bringing water into contact with the laundry that has come closer to the outside of the tub 30.
- the drainage water is not drained for a certain period of time, so that the finishing substance can be absorbed into the laundry (cloth).
- the washing tub 30 is stationary, as shown in FIG.
- the water containing the finishing substance injected by the shower collects at the lower part of the washing tub 30 by gravity.
- the lower part of the washing tub 30 has the pulsator 33, and even if the drain valve 68 is closed, the water (hatched portion in the figure) enters the lower side of the pulsator 33, so that it does not come into contact with the cloth P.
- the control unit 80 controls the rotation of the washing tub 30 while closing the drain valve 68.
- the centrifugal force is increased as described above.
- the water in the washing tub 30 rises, it is drained from the drain valve 68 below. There is no. Therefore, when rotating the washing tub 30 after the shower injection, the drain valve 68 does not have to be closed.
- the water supply apparatus 300 of the present invention is an apparatus (method) for supplying water to a water supply target (eg, laundry), and an input section for inputting a finishing substance (eg, silver ions) to the water. (Ion elution unit 100), and a shower injection unit 200 that makes the water obtained through the input unit into a shower and jets the water to the water supply target. Further, the water supply method of the present invention has a configuration in which shower water is injected to a water supply target using the water supply device 300 of the present invention. Thereby, the following effects can be obtained.
- a water supply target eg, laundry
- a finishing substance eg, silver ions
- Silver is present as silver ions (Ag + ) in an aqueous solution, and the silver ions have a bactericidal effect. Since the water containing silver ions evaporates, the concentration of silver ions in the water increases, so that the silver ions form salts with the anions in the water and precipitate as a solid (silver ligated product). . AgCl, AgOH, etc. are considered as salts. These are unstable and decompose into Ag 2 O and Ag. Ag O and Ag are generally almost insoluble, but actually
- the silver ions precipitate as fine powders (crystals) of silver compounds such as metallic silver and silver oxide, and when they come into contact with water next time, they are removed. Elution of silver ions from the crystal surface has a bactericidal effect.
- hydrophobic cloth such as chemical fiber absorbs a small amount of water, so that even when immersed in silver ion water, little water remains on the cloth and silver does not remain on the cloth.
- the droplets of silver ion water are attached to the cloth by shower jetting as in the present invention, even if the droplets do not soak into the cloth, they can be dried while remaining on the cloth surface.
- the silver contained in the drops can be reliably attached to the cloth. Therefore, even with a cloth having low water absorption, silver can be efficiently attached.
- the amount of deposition is not easily affected by the cloth, even if the concentration of silver ionized water is increased, the deposition amount of the cloth having high water absorption does not become too high. .
- silver ions can be spread over the entire cloth with a small amount of water.
- high-concentration silver ion water can be produced with the same amount of silver ions, and antibacterial treatment with high antibacterial effect can be performed. In this case, the water used is also saved.
- silver When silver is immersed in water, it leaves, and even if it is repeatedly treated, it is not very effective. If silver ion water having the same concentration or gradually increasing concentration is used in each antibacterial treatment, it is considered that the antibacterial effect does not decrease due to separation of previously attached silver.
- the water supply device 300 of the present invention described above is also applicable to a watering device (eg, a dishwasher). In other words, it is possible to realize a watering device including the above-described water supply device 300 of the present invention and configured to spray shower water from the water supply device 300 to a water supply target.
- a watering device eg, a dishwasher
- a watering device is configured using the water supply device 300 of the present invention, and shower water containing a finishing substance according to the water supply target is sprayed on the water supply target, whereby the water is attached to the surface of the water supply target.
- the dried droplets can be dried more quickly to crystallize the finished substance in a state where it can be easily eluted next.
- the finishing substance is easily eluted the next time it comes into contact with moisture, making it easier to exert the unique effects of the finishing substance according to the water supply target, and reliably obtaining the effect for each water supply target be able to.
- the water supply method of the present invention is configured to inject shower water to a water supply target using the above-described water supply apparatus 300 of the present invention.
- the water supply device 300 of the present invention By using the water supply device 300 of the present invention, by spraying shower water onto the water supply target, the drying of the droplets attached to the surface of the water supply target is accelerated, and the finishing substance dissolved in the water is then discharged. It can be precipitated and crystallized in a state where it is easy to elute. As a result, the inherent effect (eg, antibacterial effect) exerted when the finish substance elutes can be more easily exhibited, and the effect can be reliably obtained.
- the inherent effect eg, antibacterial effect
- shower water is easy to dry because its droplets are small in diameter and large in surface area
- spraying shower water onto a water supply target can be performed regardless of the type of water supply target (the target of water supply is Water, whether water-repellent or water-absorbent), ensures that the water containing the finishing substance adheres to the surface to be supplied. Thereby, the above-mentioned effects irrespective of the type of the water supply target can be obtained.
- the configuration of the ion elution unit 100 is as shown in FIGS. 7 to 9.
- the electrodes 113 and 114 described above are configured by electrodes corresponding to a plurality of types of metal ions. You can.
- the electrodes 113 and 114 of the ion elution unit 100 are constituted by electrodes corresponding to silver ions (or zinc ions) and copper ions, respectively, that is, silver electrodes (or zinc electrodes) and copper electrodes, silver ions (or By selectively or both eluting zinc ion) and copper ion, it is possible to selectively or simultaneously obtain the effect of silver ion and zinc ion) and the effect of copper ion. And convenience can be improved.
- one of a pair of electrodes to which positive and negative voltages are applied may be a silver electrode and the other may be a copper electrode.
- the ion elution unit may be configured by using two pairs each of which has a pair of electrodes formed of silver electrodes and two pairs of each of which has a pair of electrodes formed of copper electrodes.
- both the metal ions can be selectively eluted by reversing the voltage applied to each of the electrodes 113 and 114 at a predetermined period to maintain the polarity of the applied voltage.
- both metal ions can be obtained, and only one of the pair of electrodes 113 and 114 is charged. By applying pressure, it is possible to selectively elute only one of the metal ions.
- the ion eluting unit that elutes metal ions is not limited to the ion elution unit 100 described above.
- the ion eluting part is, for example, one in which a metal ion eluting material (such as silver sulfide for a silver eluting material) is loaded into a cartridge and metal ions are eluted by simply passing water through the cartridge (without applying voltage). It does not matter.
- the control unit 80 adjusts the amount of water supplied to the ion elution unit with the shower water supply valve 50c, so that the amount of metal ions contained in the water injected by the shower can be controlled.
- the ion elution unit 100 corresponds to two power supply water supply valves 50a and shower water supply valves 50c, each of which is provided corresponding to only the shower water supply valve 50c. You may have two. In this case, silver ion water can be supplied in a short time by the main water supply to the washing tub 30, and the antibacterial treatment by the rinse can be performed quickly.
- the shower injection unit 200 described in the present embodiment may be a device that performs a single injection with a smaller amount of water, such as a mist or a spray, as long as it can spread moisture in the entire water supply target with a shower.
- the shower jet unit 200 may spray water by some means after jetting, instead of spraying water in a plurality of directions at the time of shower jetting.
- a nozzle that only discharges water in one direction is used as the shower injection unit 200, it is possible to relatively move one of the nozzle and the water supply target.
- the water may be distributed to the surface to be supplied with water.
- a method may be used in which an air current is generated by using a fan or the like, the liquid is sucked up by a bench lily effect, and the liquid is atomized to obtain a sharp.
- a method may be used in which a liquid is accelerated to form liquid droplets, such as atomization by an ultrasonic vibrator.
- Fig. 16 is a perspective view showing a schematic configuration of a washing machine 401 in which the shower injection unit 200 is configured by an ultrasonic vibrator.
- a lid portion 402 On the upper surface of the washing machine 401, there is provided a lid portion 402 which is opened and closed so that the laundry can be taken in and out of the washing tub.
- the lid portion 402 is provided with an ultrasonic partial washing device 405 (vibrator). Have been.
- a silver ion elution unit (corresponding to the ion elution unit 100) (not shown) is provided in the path of the water supply pipe 410 to the ultrasonic partial washing device 405. The water is supplied such that the water comes into contact with a metal horn connected to the ultrasonic vibrator in the ultrasonic partial washing device 405.
- Silver was eluted from the silver ion elution unit, the water supplied to the partial washing device 405 was changed to silver ion water, and the horn was vibrated to atomize the silver ion water.
- the antibacterial effect was similar to that of the washing machine 1 shown in FIG. 7, that is, the configuration in which silver ions were attached to the water supply target in the shower.
- a washing machine 401 equipped with a metal horn and supplying water thereto at any time is provided.
- You may have a configuration that does not include a horn and atomizes with a vibrator, or supplies water at any time. Therefore, the horn or vibrator force S may be immersed in a pool of water.
- a mist containing silver ions may be sent to the object by blowing or sucking with a fan, an air pump, or the like. By doing so, it is possible to exert antibacterial and other effects on a wide range of objects and distant objects.
- the shower jetting unit need not be installed in the washing machine, and the jetting target of the shower need not be a washing object.
- spray antibacterial effects on kitchen sinks, cutting boards, toys, floors, toilets, tubs, toilets, toilet bowls, etc. by spraying silver ions, copper ions, zinc ions, and other antibacterial ions. May bring.
- the space may be sterilized by spraying droplets containing antibacterial ions into the space by a shower or the like. It may also be used on animals and plants to prevent odor and disease caused by bacteria.
- Spraying such droplets containing antibacterial ions on food may prevent the food from spoiling and maintain freshness.
- silver ion, copper ion, zinc ion, nickel ion, palladium ion, platinum ion, rhodium ion, ruthenium ion, etc. have the effect of inhibiting the senescence of plants and the decrease in freshness due to ethylene.
- the containing droplets may be sprinkled on plants such as vegetables, fruits and fresh flowers to maintain freshness.
- silver ions have been described as an example of the finishing substance to be charged into the water supplied to the charging section (ion elution unit 100).
- the present invention is not limited to silver ions.
- a softener can also be assumed as the finishing substance.
- the softener is poured into water, shower-sprayed from the shower spray section 200, and adhered to the laundry, so that the crystals attached to the laundry can be easily melted out, and the softener possessed by the softener The advantageous effect can be easily exhibited in the laundry.
- the amount of the softening agent used can be smaller than when the laundry is dipped in the liquid containing the softening agent. Also, the smaller the shower droplet, the smaller the amount of liquid that can be adhered to the laundry surface without gaps.
- a sustained-release agent can also be used as a finishing substance. Even in this case, the inherent effect of the sustained-release agent can be easily exerted according to the above-described principle.
- the sustained release agent is a material containing silver, which gradually releases silver ions when it comes into contact with water.
- a material as hardly soluble silver sulfide gradually dissolves Silver ions are gradually eluted from zeolite carrying silver, and silver ions are gradually eluted as the glass is melted with water-soluble glass containing silver ions.
- a water supply path from a main water supply valve 50a for supplying main water and a water supply path from a sub water supply valve 50b for adding a softener is provided, and only when silver ions are added, the path is used. If the flow rate is low, the flow rate is likely to be stable even if the tap water pressure changes.
- the vertical type washing machine 1 in which the rotation axis of the washing tub 30, which is the storage tub for storing the laundry to be supplied with water, is substantially vertical is described as an example.
- the water supply device 300 can be applied to all types of washing machines, such as a horizontal drum type washing machine having a drum as the storage tank whose rotation axis intersects the vertical direction and a two-tub type washing machine. It is possible.
- the water supply device of the present invention can be used, for example, for a washing machine, a water sprinkler (eg, a dishwasher, a shower, a sprinkler) and the like.
- a water sprinkler eg, a dishwasher, a shower, a sprinkler
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Abstract
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JP2003378009A JP2005087712A (ja) | 2003-08-08 | 2003-11-07 | 給水装置、給水方法、給水装置を備えた撒水装置、および給水装置を備えた洗濯機 |
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PCT/JP2004/008336 WO2005014911A1 (ja) | 2003-08-08 | 2004-06-15 | 給水装置、給水方法および給水装置を備えた洗濯機 |
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WO2007090252A1 (en) * | 2006-02-09 | 2007-08-16 | G.M. Pharma Ltd | Method and device for cleaning of textile materials |
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DE10260149A1 (de) | 2002-12-20 | 2004-07-01 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung zur Bestimmung des Leitwertes von Wäsche, Wäschetrockner und Verfahren zur Verhinderung von Schichtbildung auf Elektroden |
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JP4483856B2 (ja) | 2006-11-20 | 2010-06-16 | パナソニック株式会社 | 電解ミスト発生装置とそれを用いた洗濯機 |
JP4876876B2 (ja) * | 2006-12-05 | 2012-02-15 | パナソニック株式会社 | 洗濯機 |
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JP2005087712A (ja) | 2005-04-07 |
JP4493586B2 (ja) | 2010-06-30 |
AU2004262690A1 (en) | 2005-02-17 |
WO2005014911A1 (ja) | 2005-02-17 |
TWI256425B (en) | 2006-06-11 |
MY138803A (en) | 2009-07-31 |
AU2004262690C1 (en) | 2009-02-19 |
US7624601B2 (en) | 2009-12-01 |
US20060186222A1 (en) | 2006-08-24 |
KR100811347B1 (ko) | 2008-03-07 |
EP1652990A4 (en) | 2006-10-04 |
TW200519266A (en) | 2005-06-16 |
CN1867726B (zh) | 2010-12-08 |
EP1652990A1 (en) | 2006-05-03 |
EP1652990B1 (en) | 2012-10-10 |
CN1867726A (zh) | 2006-11-22 |
AU2004262690B2 (en) | 2008-04-03 |
JP2006102528A (ja) | 2006-04-20 |
KR20060027410A (ko) | 2006-03-27 |
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