WO2021129292A1 - 洗衣机 - Google Patents

洗衣机 Download PDF

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Publication number
WO2021129292A1
WO2021129292A1 PCT/CN2020/131543 CN2020131543W WO2021129292A1 WO 2021129292 A1 WO2021129292 A1 WO 2021129292A1 CN 2020131543 W CN2020131543 W CN 2020131543W WO 2021129292 A1 WO2021129292 A1 WO 2021129292A1
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WO
WIPO (PCT)
Prior art keywords
water
washing
box body
washing tub
wall
Prior art date
Application number
PCT/CN2020/131543
Other languages
English (en)
French (fr)
Inventor
樋口秀一
Original Assignee
青岛海尔洗衣机有限公司
Aqua株式会社
海尔智家股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛海尔洗衣机有限公司, Aqua株式会社, 海尔智家股份有限公司 filed Critical 青岛海尔洗衣机有限公司
Priority to CN202080090523.3A priority Critical patent/CN114867900A/zh
Publication of WO2021129292A1 publication Critical patent/WO2021129292A1/zh

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    • 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 
    • D06F39/02—Devices for adding soap or other washing agents
    • 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

Definitions

  • the invention relates to a washing machine.
  • a washing method using magnesium is known. If you put magnesium into the bucket of the washing machine, the magnesium (Mg) will react chemically with the water (H 2 O) in the bucket to produce magnesium hydroxide (Mg(OH) 2 ) and hydrogen (H 2 ).
  • the water in the bucket will be alkaline ionized water - is modified to contain a magnesium ion (Mg 2+) and hydroxide ions (OH).
  • Alkaline ionized water has the function of decomposing fats and oils in the same way as detergent, so it can use alkaline ionized water to remove dirt from the laundry in the bucket.
  • alkaline ionized water has a sterilization effect, so negative ion water can be used to sterilize the washing in the bucket and the bucket itself.
  • the alkaline ionized water generator described in Patent Document 1 is suspended in the water in the bucket. In this case, all the magnesium particles in the alkaline ionized water generator may not be immersed in the water in the bucket.
  • the alkaline ionized water generator described in Patent Document 1 has a small storage capacity of magnesium particles. Therefore, in the case of the alkaline ionized water generating tool described in Patent Document 1, there is a limit to promoting the chemical reaction of magnesium and water to generate alkaline ionized water.
  • Patent Document 1 Japanese Patent Application Publication No. 2017-99486
  • the present invention was made in view of this background, and its object is to provide a washing machine that seeks to improve the washing performance by magnesium particles.
  • the present invention is a washing machine comprising: a cabinet; a washing tub arranged in the cabinet and containing laundry; a water supply path for supplying water to the washing tub; and a box body constituting a part of the water supply path and containing magnesium Granules and can store water.
  • the present invention is characterized in that the washing machine includes: a tray; an ultrasonic cleaning part arranged on the tray and generating ultrasonic waves; and a water conduit for guiding the water in the box to the tray.
  • the present invention is characterized in that the box body is provided with a partition for dividing the entrance and exit of the washing tub for laundry, and the box body is attached to the partition in a pull-out manner.
  • the present invention is characterized in that the exposed part of the box body exposed to the entrance and exit in the state of being attached to the partition part is transparent or semi-transparent.
  • the box that constitutes a part of the water supply path for supplying water to the washing tub contains magnesium particles. Therefore, in the box, the water flowing through the water supply path when water is supplied to the washing tub is chemically reacted with the magnesium particles. Generate alkaline ionized water.
  • the alkaline ionized water generated in this way is stored in the box body and matured. As a result, the concentration of the alkaline components in the alkaline ionized water increases, and the alkaline ionized water in the box body becomes high in concentration. The next water supply is required. Since it is supplied to the washing tub, the high-concentration alkaline ionized water can be used to effectively wash the laundry in the washing tub. Therefore, it is possible to improve the washing performance of the laundry in the washing tub by the magnesium particles.
  • the alkaline ionized water stored in the box is guided to the tray by the water conduit and stored in the tray.
  • Alkaline ionized water has the effect of decomposing fats and oils in the same way as detergents. Therefore, for example, when the user dips the laundry into the alkaline ionized water on the tray, when the ultrasonic cleaning section provides ultrasonic vibration to the laundry, it is the same as the case of using detergent Ground, the washing can be ultrasonically cleaned. That is, in this washing machine, by using alkaline ionized water instead of detergent, the laundry can be ultrasonically cleaned.
  • the box body is attached to the partition that divides the inlet and outlet of the laundry in the box body in a pull-out manner, so the user can pull out the box body and replenish the magnesium particles into the box body.
  • the exposed part exposed to the entrance and exit of the box body in the state attached to the partition part is transparent or semi-transparent, so the user can visually confirm the condition of the magnesium particles in the box body through the exposed part.
  • Fig. 1 is a right side view of a vertical section of a washing machine according to an embodiment of the present invention.
  • Fig. 2 is a perspective view of the upper part of the washing machine.
  • Fig. 3 is a perspective view of a box included in the washing machine.
  • Fig. 4 is a perspective view of the box body viewed from a direction different from that of Fig. 3.
  • Fig. 5 is a perspective view including a longitudinal section of the pulled-out box body and its peripheral portion.
  • Fig. 7 is a perspective view including a longitudinal section of the box body and its peripheral portion in the attached position.
  • Fig. 1 is a right side view of a vertical section of a washing machine 1 according to an embodiment of the present invention.
  • the direction orthogonal to the paper surface of FIG. 1 is called the left-right direction X of the washing machine 1
  • the left-right direction in FIG. 1 is called the front-rear direction Y of the washing machine 1
  • the up-down direction in FIG. 1 is called the up-down direction of the washing machine 1.
  • the left-right direction X is an example of the horizontal direction in this embodiment.
  • the back side of the paper surface of FIG. 1 is referred to as the left side X1, and the front side of the paper surface of FIG.
  • the right side X2 is referred to as the right side X2.
  • the left side in FIG. 1 is referred to as the front side Y1
  • the right side in FIG. 1 is referred to as the rear side Y2.
  • the upper side is referred to as the upper side Z1
  • the lower side is referred to as the lower side Z2.
  • the washing machine 1 includes: a cabinet 2, which forms the outer shell of the washing machine 1, a bucket 3, which is contained in the cabinet 2 and can store washing water; and a washing tub 4, which is contained in the bucket 3, contains laundry L and can store the washing water Rotating wing 5, contained in the washing tub 4; motor 6, generating driving force to rotate the washing tub 4 and the rotating wing 5; and electric transmission mechanism 7, transmitting the driving force of the motor 6 to the washing tub 4, the rotating wing 5.
  • the upper surface 2A of the box 2 is provided with a door 16 that opens and closes the entrance 15.
  • a display operation unit 17 composed of a liquid crystal operation panel or the like is provided in an area around the entrance 15 of the upper surface 2A.
  • the user of the washing machine 1 can freely select the operating conditions of the washing machine 1, or instruct the washing machine 1 to start operation, stop the operation, or the like by operating a switch or the like of the display operation unit 17.
  • Information related to the operation of the washing machine 1 is visually displayed on the liquid crystal panel or the like of the display operation unit 9.
  • the inner peripheral surface of the circumferential wall 4A and the upper surface of the bottom wall 4B are the inner surface portions of the washing tub 4.
  • the upper end of the washing tub 4 is formed with an entrance 20 bounded by the upper end of the inner peripheral surface of the circumferential wall 4A.
  • the port 20 exposes the hollow portion of the circumferential wall 4A toward the upper side Z1, and is in a state of communicating with the port 18 of the water bucket 3 from the lower side Z2. The user allows the washing tub 4 to enter and exit the washing tub 4 from the upper side Z1 via the open port 15, the port 18, and the port 20.
  • the bottom wall 4B of the washing tub 4 is formed in the shape of a disk extending substantially parallel to the bottom wall 3B of the water tub 3 at an interval on the upper side Z1.
  • a through hole 4D that penetrates the bottom wall 4B in the vertical direction Z is formed at a center position of the bottom wall 4B that coincides with the rotation axis J.
  • the bottom wall 4B is provided with a tubular support shaft 26 extending to the lower side Z2 along the rotation axis J while surrounding the through hole 4D.
  • the support shaft 26 is inserted through the through hole 3D of the bottom wall 3B of the bucket 3, and the lower end of the support shaft 26 is located on the lower side Z2 than the bottom wall 3B.
  • the rotating blade 5 is a so-called pulsator, formed in a disk shape centered on the rotation axis J, and is arranged on the bottom wall 4B in the washing tub 4.
  • the upper surface portion of the rotary wing 5 facing the entrance and exit 20 of the washing tub 4 is provided with a plurality of raised portions 5A that are raised to the upper side Z1 and arranged radially with the rotation axis J as the center.
  • a plurality of dorsal blades 5B arranged radially with the rotation axis J as the center are provided on the lower surface of the rotary wing 5.
  • the lower end of the back blade 5B in which the rotor blade 5 is arranged in the inner space of the washing tub 4 is referred to as a space S.
  • the transmission mechanism 7 is interposed between the respective lower ends of the support shaft 26 and the rotating shaft 27 and the upper end of the output shaft 28 protruding from the motor 6 to the upper side Z1.
  • the transmission mechanism 7 selectively transmits the driving force output by the motor 6 from the output shaft 28 to one or both of the support shaft 26 and the rotation shaft 27.
  • a well-known mechanism can be used.
  • the washing tub 4 receives the driving force of the motor 6 and is rotationally driven with the rotation axis J as the center of rotation.
  • the rotating wing 5 receives the driving force of the motor 6 and is rotationally driven with the rotation axis J as the rotation center.
  • the filter unit 9 includes a frame 30 just received in the opening 9A of the guide cover 8 and a filter 31 mounted on the frame 30.
  • the filter 31 is, for example, in the shape of a sheet made of a net or the like, and covers the opening 9A.
  • the drain passage 10 is connected to the bottom wall 3B of the water bucket 3 from the lower side Z2, and the water in the water bucket 3 is drained from the drain passage 10 to the outside of the machine.
  • a drain valve 35 that opens and closes in order to start or stop draining is provided in the middle of the drain channel 10.
  • One end of the water supply path 11 is connected to the annular wall 3C of the water bucket 3 from the upper side Z1, and the other end of the water supply path 11 is connected to a tap for tap water.
  • the water supply path 11 supplies tap water from the water supply path 11 into the water bucket 3.
  • a water supply valve 36 that opens and closes in order to start or stop water supply is provided in the middle of the water supply path 11.
  • the partition 2D of the upper surface plate 2C of the box 2 is provided with a concave first storage chamber 41 that surrounds the first opening 2F and is recessed toward the rear side Y2.
  • a water conduit 42 which branches from the downstream part of the water supply valve 36 on the side of the water tank 3 in the water supply passage 11; and an outflow passage 43 which extends from the first accommodating chamber 41 mainly to the lower side Z2 It is connected to the annular wall 3C of the bucket 3.
  • a switching valve 44 is provided at the connection part of the water supply path 11 and the water guide path 42.
  • the switching valve 44 is a so-called multi-way valve and causes the water flowing through the water supply path 11 to continue to flow to the water supply path 11 or to the guide water path 42.
  • the outflow valve In the state where the outflow valve is closed, the water branched from the water supply path 11 to the water guide path 42 is guided to the tray 45 by the water guide path 42 and is stored in the recess 45A. In this state, when the outflow valve is opened, the water in the tray 45 flows out through the outflow path 43 and then falls from the outflow path 43 to be stored in the water tub 3 and the washing tub 4.
  • the ultrasonic cleaning part 46 has a nozzle shape extending in the front-rear direction Y, and a front end 46A at the front end of the ultrasonic cleaning part 46 is bent to the lower side Z2.
  • the ultrasonic cleaning unit 46 is energized to generate ultrasonic waves at the tip portion 46A.
  • the ultrasonic cleaning unit 46 is positioned with respect to the tray 45 such that at least the front end portion 46A is arranged on the tray 45.
  • the alkaline ionized water generating unit 13 has, for example, a substantially cube-shaped box 51 and a second storage chamber 52 that constitutes a part of the partition 2D of the upper surface plate 2C of the box 2.
  • the box body 51 has a front wall 53, a rear wall 54, a left wall 55, a right wall 56, a top wall 57, and a bottom wall 58 each having a substantially square flat plate shape.
  • the front wall 53 has the same size as the second opening 2G of the partition 2D (see also FIG. 2).
  • the box body 51 has a substantially cubic internal space 51A surrounded by a front wall 53, a rear wall 54, a left wall 55, a right wall 56, a top wall 57, and a bottom wall 58.
  • the rear wall 54 is smaller than the front wall 53 by a circle.
  • a circular tubular inflow pipe 59 protruding toward the rear side Y2 is provided so as to protrude toward the rear side Y2.
  • the internal space of the inflow pipe 59 is an inflow port 59A, which penetrates through the rear wall 54 and communicates with the internal space 51A of the box body 51 from the rear side Y2.
  • a cylindrical first outflow port 54A that is recessed to the front side Y1 and sinks into the internal space 51A is formed.
  • the first flow outlet 54A has a large-diameter portion 54B forming its rear end portion, and a small-diameter portion 54C, which is arranged on the front side Y1 of the large-diameter portion 54B and has a smaller diameter than the large-diameter portion 54B.
  • the small diameter portion 54C is provided with a well-known check valve 60.
  • the check valve 60 has a valve body 60A that is slidable in the front-rear direction Y between a closed position that closes the first outflow port 54A and an open position that opens the first outflow port 54A.
  • the upper surface of the cover 61 is provided with a recess 61A recessed in a hemispherical shape to the lower side Z2 and a knob 61B extending across the recess 61A.
  • the user can detach the cover 61 and open the replenishment port 57A by pinching the knob 61B and twisting the cover 61 counterclockwise.
  • the user can screw the lid 61 to the replenishing port 57A by pinching the knob 61B in the state where the lid 61 is fitted into the replenishing port 57A and twisting the lid 61 clockwise.
  • the front end surface 51C of the bulging portion 51B is arranged at a substantially central position in the front-rear direction Y in the internal space 51A.
  • the small diameter portion 54C of the first flow outlet 54A is exposed from the front end surface 51C and communicates with the internal space 51A.
  • the second accommodating chamber 52 is formed in a concave shape recessed toward the rear side Y2 while enclosing the second opening 2G in the partition 2D of the upper surface plate 2C of the box body 2, and has the same shape as the front wall 53 in the box body 51.
  • the parts are roughly the same shape and size.
  • the partition 2D is provided with a left wall 65 (refer to FIG. 2 ), a right wall 66, a top wall 67, a bottom wall 68, and a rear wall 69 that partition the second storage chamber 52.
  • the left wall 65 and the right wall 66 are substantially rectangular vertical plates, and are arranged to face each other in the left-right direction X.
  • the top wall 67 and the bottom wall 68 are substantially rectangular horizontal plates.
  • the top wall 67 is erected between the upper ends of the left wall 65 and the right wall 66
  • the bottom wall 68 is erected between the lower ends of the left wall 65 and the right wall 66.
  • the front end edges of the left wall 65, the right wall 66, the top wall 67, and the bottom wall 68 define a second opening 2G.
  • the rear wall 69 has a block shape, and the front surface portion 69A thereof is a substantially flat vertical surface.
  • a cylindrical insertion port 69B extending to the rear side Y2 in the rear wall 69 is formed at a left position of the front surface portion 69A (refer to FIG. 5).
  • the insertion port 69B has a large-diameter portion 69C of the front half and a small-diameter portion 69D having a smaller diameter than the large-diameter portion 69C and connected to the large-diameter portion 69C from the rear side Y2.
  • a well-known check valve 70 is provided in the large diameter portion 69C.
  • the check valve 70 has a valve body 70A that is slidable in the front-rear direction Y between a closed position where the insertion port 69B is closed and an open position where the insertion port 69B is opened.
  • an outflow pipe 71 of a circular tube protruding to the front side Y1 is provided.
  • the outflow pipe 71 has a cylindrical large-diameter portion 71A connected to the front surface portion 69A, and a small-diameter portion 71B that has a circular tube shape smaller in diameter than the large-diameter portion 71A and is arranged coaxially with the large-diameter portion 71A.
  • the rear half is inserted into the large-diameter portion 71A, and the front half is protruded from the large-diameter portion 71A to the front side Y1 (see FIG. 6).
  • the outflow pipe 71 is formed with a second outflow port 71C having a circular shape penetrating the central portion in the front-rear direction Y. As shown in FIG. The second outflow port 71C is exposed to the front side Y1 from the front surface of the small diameter portion 71B.
  • the outflow pipe 71 has a cylindrical protrusion 71D protruding from the second outflow port 71C to the front side Y1, and the inner peripheral surface of the outflow pipe 71 and the outer peripheral surface of the rear end portion of the protrusion 71D that are installed in the second outflow port 71C.
  • a small piece-shaped support portion 71E that supports the protruding portion 71D in between.
  • the rear end of the protrusion 71D has a play and is inserted into the second outflow port 71C.
  • a plurality of support portions 71E are provided, and they are arranged at equal intervals in the circumferential direction around the protruding portion 71D.
  • a cylindrical third outlet 69E (refer to FIG. 6) extending slenderly to the upper side Z1 from the rear end of the second outlet 71C is formed.
  • the box body 51 is attached to the second accommodating chamber 52 provided in the partition 2D of the upper surface plate 2C in a pull-out manner.
  • the box body 51 shown in FIG. 5 is in a state where the substantially entirety is pulled out from the second storage chamber 52 to the front side Y1, and the box body 51 shown in FIG. 6 is completely pulled out from the second storage chamber 52 to the front side Y1.
  • the box body 51 shown in FIGS. 7 and 8 is in the attaching position to the second accommodating chamber 52.
  • the spool 60A of the check valve 60 provided in the box body 51 is arranged in the closed position to close the first outflow port 54A (refer to FIG.
  • the normal case 51 is in the attached position and is accommodated in the second storage chamber 52 without being exposed to the entrance 15. Therefore, it is possible to achieve space saving in the arrangement of the case 51. It should be noted that when the box body 51 is in the attaching position, the gap between the inflow tube 59 and the insertion port 69B, and the gap between the outflow tube 71 and the first outflow port 54A are blocked by sealing members such as packing.
  • the control unit 80 executes the washing operation by controlling the actions of the motor 6, the transmission mechanism 7, the water supply valve 36, the drain valve 35, and the switching valve 44. As will be described later, the control unit 80 opens the water supply valve 36 during the washing operation, so the tap water from the tap flows through the water supply path 11 and passes through the insertion port 69B of the rear wall 69 of the second storage chamber 52 and the box in the middle part 11A.
  • the inlet 59A of 51 flows into the internal space 51A of the box body 51 (refer to arrow V1 in FIG. 7). As a result, water is stored in the internal space 51A.
  • the switching valve 44 allows the water to continue to flow into the water supply channel 11 or flow to the guide water channel 42 according to this state. Then, the water flowing through the water supply path 11 is supplied into the water tub 3 and can be stored in the water tub 3 and the washing tub 4. As described later, the water flowing from the switching valve 44 to the water conduit 42 is stored in the tray 45 in the ultrasonic cleaning unit 46.
  • the washing operation includes: a washing operation to wash the laundry L; a rinsing operation to rinse the laundry L after the washing operation; and a dehydrating operation to dehydrate the laundry L after the rinsing operation.
  • the user uses the ultrasonic cleaning unit 46 to perform ultrasonic cleaning of the neckline before the washing operation starts. Specifically, when the user opens the door 16 and the door 19, the user grasps the handle 45B of the tray 45 of the ultrasonic cleaning unit 12 in the storage position and pulls it out to the front side Y1. As shown in FIG. 2, the ultrasonic cleaning unit 12 is placed in the pull-out position.
  • the control unit 80 controls the switching valve 44 to supply the alkaline ionized water in the case 51 to the tray 45 via the water conduit 42.
  • a small amount of alkaline ionized water is guided to the tray 45 by the water channel 42 and is stored in the recess 45A of the tray 45. Therefore, the user, for example, immerses the neckline of a shirt in the alkaline ionized water in the tray 45 and approaches the ultrasonic cleaning part. 46 of the front end 46A.
  • the control unit 80 that has started the washing operation first opens the water supply valve 36 to supply water to the washing tub 4 during the washing operation. It should be noted that, during the washing operation, the water flowing through the water supply path 11 is directly supplied to the washing tub 4 without being branched to the water path 42 and is stored in the washing tub 4 as washing water. When the water level in the washing tub 4 rises to a washing water level higher than the upper end of the laundry L in the washing tub 4, the control unit 80 stops the water supply by closing the water supply valve 36.
  • the washing water stored in the washing tub 4 is alkaline ionized water. Like detergent, the alkaline ionized water has a function of decomposing fats and oils, specifically acidic sebum dirt and the like. Therefore, the laundry L in the washing tub 4 is immersed in the alkaline ionized water accumulated in the washing tub 4 to remove dirt.
  • the control unit 80 starts the rinsing operation. Specifically, the control unit 80 opens the water supply valve 36 to supply water to the washing tub 4, and stores the washing water in the washing tub 4 until the predetermined rinsing water level. Then, the control unit 80 rotates the rotary wing 5. In the rinsing operation, as in the washing operation, washing water circulates along with the rotation of the rotor blade 5, and alkaline ionized water is sprayed to the laundry L, the water tub 3 of the washing tub 4, and the washing tub 4. Thus, the dirt remaining in the laundry L is removed by the alkaline ionized water, and the laundry L, the water tub 3, and the washing tub 4 are sterilized by the negative ions included in the alkaline ionized water.
  • the water is supplied to the washing tub 4 at the time of water supply, so that the laundry L in the washing tub 4 can be effectively washed with high-concentration alkaline ionized water. Therefore, it is possible to improve the washing performance of the laundry L in the washing tub 4 using the magnesium particles M.
  • a large amount of magnesium particles M can be accommodated in a dedicated space such as the box body 51, a large amount of high-concentration alkaline ionized water can be generated to improve the washing performance.
  • high-concentration alkaline ionized water is already present in the case 51. Therefore, during the washing operation, the time required for the generation of alkaline ionized water can be reduced and the time can be shortened.
  • a citric acid aqueous solution is generated in the box body 51, and the magnesium particles M in the box body 51 are immersed in the citric acid aqueous solution. Then, the magnesium particles M are regenerated by removing the oxide film from the surface. It should be noted that the user may also pull out the box body 51 and immerse it in a citric acid aqueous solution stored in a barrel or the like to maintain the magnesium particles M in the box body 51.
  • an alkaline ionized water generation operation for supplying water to the case 51 may be performed.
  • the control unit 80 executes an alkaline ionized water production operation.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

本发明提供一种谋求通过镁粒实现的洗涤性能的提高的洗衣机。一种洗衣机(1)，包括：箱体(2)；洗涤桶(4)，配置于箱体(2)并容纳洗涤物(L)；供水路(11)，向洗涤桶(4)供水；以及盒体(51)，构成供水路(11)的一部分，容纳镁粒(M)并能蓄水。

Description

洗衣机 技术领域
本发明涉及一种洗衣机。
背景技术
已知使用镁的洗涤方法。若向洗衣机的水桶投入镁，则镁(Mg)与水桶内的水(H 2O)发生化学反应，产生氢氧化镁(Mg(OH) 2)和氢气(H 2)，水桶内的水被改性为包含镁离子(Mg 2+)和氢氧根离子(OH -)的碱性离子水。碱性离子水具有与洗涤剂同样地分解油脂成分的作用，因此能利用碱性离子水从水桶内的洗涤物去除污垢。此外，碱性离子水具有除菌作用，因此能利用负离子水来对水桶内的洗涤物和水桶本身进行除菌。
下述专利文献1所记载的碱性离子水生成用具具有由海绵构成的主体部和容纳于主体部内的镁粒。碱性离子水生成用具与洗涤物一起被投入洗衣机的水桶内。当向水桶内注入水时，镁从碱性离子水生成用具内的镁粒溶出至水桶内的水中，因此镁与水桶内的水发生化学反应而生成碱性离子水。
如果将碱性成分的浓度高的高浓度的碱性离子水喷淋到洗涤物上，则能有效地洗涤洗涤物，但使镁溶出到水中而使碱性离子水中的碱性成分的浓度升高会花费一定程度的时间。另一方面，专利文献1所记载的碱性离子水生成用具在水桶内的水中悬浮。在此情况下，存在碱性离子水生成用具内的所有镁粒不浸入水桶内的水中的情况。而且，专利文献1所记载的碱性离子水生成用具的镁粒的容纳量少。由此，在专利文献1所记载的碱性离子水生成用具的情况下，促进镁和水的化学反应而生成碱性离子水是有极限的。
现有技术文献
专利文献
专利文献1：日本特开2017－99486号公报
发明内容
发明所要解决的问题
本发明是鉴于该背景而完成的，其目的在于提供一种谋求通过镁粒实现的洗涤性能的提高的洗衣机。
用于解决问题的方案
本发明是一种洗衣机，包括：箱体；洗涤桶，配置于所述箱体内并容纳洗涤物；供水路，向所述洗涤桶供水；以及盒体，构成所述供水路的一部分，容纳镁粒并能蓄水。
此外，本发明的特征在于，所述洗衣机包括：托盘；超声波清洗部，配置于所述托盘上并产生超声波；以及导水路，将所述盒体内的水引导至所述托盘。
此外，本发明的特征在于，在所述箱体设有划分出供洗涤物出入于所述洗涤桶的出入口的划分部，所述盒体以可拉出的方式装接于所述划分部。
此外，本发明的特征在于，装接于所述划分部的状态下的所述盒体中的露出于所述出入口的露出部呈透明或半透明。
发明效果
根据本发明，在洗衣机中，构成向洗涤桶供水的供水路的一部分的盒体容纳镁粒，因此在盒体中，通过向洗涤桶供水时流过供水路的水与镁粒发生化学反应而生成碱性离子水。这样生成的碱性离子水蓄留在盒体中而被熟化，由此碱性离子水中的碱性成分的浓度升高，盒体内的碱性离子水成为高浓度，在接下来的供水时等被供给至洗涤桶，因此能利用高浓度的碱性离子水有效地洗涤洗涤桶内的洗涤物。因此，能谋求通过镁粒实现的对洗涤桶内的洗涤物的洗涤性能的提高。
此外，根据本发明，蓄留在盒体中的碱性离子水被导水路引导至托盘而蓄留在托盘。碱性离子水具有与洗涤剂同样地分解油脂成分的作用，因此例如用户将洗涤物浸入托盘的碱性离子水中，当超声波清洗部对该洗涤物提供超声波振动时，与使用洗涤剂的情况同样地，能对洗涤物进行超声波清洗。也就是说， 在该洗衣机中，通过使用碱性离子水代替洗涤剂，能对洗涤物进行超声波清洗。
此外，根据本发明，盒体以可拉出的方式装接于在箱体中划分出洗涤物的出入口的划分部，因此用户能拉出盒体并向盒体内补充镁粒。
此外，根据本发明，装接于划分部的状态下的盒体中的露出于出入口的露出部呈透明或半透明，因此用户能隔着露出部通过目视确认盒体内的镁粒的情况。
附图说明
图1是本发明的一实施方式的洗衣机的纵剖右视图。
图2是洗衣机的上部的立体图。
图3是洗衣机所包括的盒体的立体图。
图4是从与图3不同的方向观察的盒体的立体图。
图5是包含被拉出的盒体及其周边部分的纵剖面的立体图。
图6是包含被拉出的盒体及其周边部分的纵剖面的立体图。
图7是包含处于装接位置的盒体及其周边部分的纵剖面的立体图。
图8是包含处于装接位置的盒体及其周边部分的纵剖面的立体图。
附图标记说明
1：洗衣机；2：箱体；2D：划分部；4：洗涤桶；11：供水路；15：出入口；42：导水路；45：托盘；46：超声波清洗部；51：盒体；53：前壁；L：洗涤物；M：镁粒。
具体实施方式
以下，参照附图对本发明的实施方式进行具体说明。图1是本发明的一实施方式的洗衣机1的纵剖右视图。将与图1的纸面正交的方向称为洗衣机1的左右方向X，将图1中的左右方向称为洗衣机1的前后方向Y，将图1中的上下方向称为洗衣机1的上下方向Z。左右方向X是本实施方式中的横向的一例。 左右方向X当中，将图1的纸面的里侧称为左侧X1，将图1的纸面的表侧称为右侧X2。前后方向Y当中，将图1中的左侧称为前侧Y1，将图1中的右侧称为后侧Y2。上下方向Z当中，将上侧称为上侧Z1，将下侧称为下侧Z2。
洗衣机1包括：箱体2，构成洗衣机1的外壳；水桶3，容纳于箱体2内并能蓄留洗涤水；洗涤桶4，容纳于水桶3内，容纳洗涤物L并能蓄留洗涤水；旋转翼5，容纳于洗涤桶4内；马达6，产生使洗涤桶4和旋转翼5旋转的驱动力；以及电动的传递机构7，将马达6的驱动力传递至洗涤桶4、旋转翼5。洗衣机1包括：引导罩8，配置于洗涤桶4内并用于使洗涤水循环；过滤单元9，装接于引导罩8并从洗涤水捕获异物；排水路10，排出蓄留于水桶3和洗涤桶4的洗涤水；以及供水路11，向水桶3和洗涤桶4供水。洗衣机1包括：超声波清洗单元12，用于利用超声波清洗洗涤物L；以及碱性离子水生成单元13，使用镁粒M生成碱性离子水。本实施方式中的洗涤水是自来水、自来水中溶解有洗涤剂等的水。
箱体2例如为金属制，形成为箱状。在箱体2中，构成上表面2A和后表面2B的上端部的部分例如是树脂制的上表面板2C。在上表面2A形成有使箱体2的内外连通的出入口15。在上表面板2C上设有一边将出入口15包边一边向下侧Z2延伸的筒状的划分部2D。划分部2D的内部空间是出入口15的一部分，在划分部2D的内周面2E上划分出入口15。在内周面2E的后侧Y2的区域形成有与超声波清洗单元12相关的第一开口2F和与碱性离子水生成单元13相关的第二开口2G。第一开口2F和第二开口2G是在前后方向Y上贯通划分部2D的一部分的大致矩形的开口，在图1中图示为在上下方向Z上排列，但实际上配置为在左右方向X上排列，第一开口2F位于比第二开口2G靠左侧X1，具体而言，第一开口2F位于内周面2E的后侧Y2的区域中的在左右方向X上的中央部(参照后述的图2)。
在箱体2的上表面2A设有将出入口15开闭的门16。在上表面2A的出入口15的周围的区域设有由液晶操作面板等构成的显示操作部17。洗衣机1的用户通过操作显示操作部17的开关等，能自由地选择洗衣机1的运转条件，或者对洗衣机1指示运转开始、运转停止等。在显示操作部9的液晶面板等，以可目视的方式显示有与洗衣机1的运转相关的信息。
水桶3例如为树脂制，形成为有底圆筒状。水桶3具有：大致圆筒状的圆周壁3A，沿上下方向Z配置；底壁3B，从下侧Z2堵住圆周壁3A的中空部分；以及环状的环状壁3C，一边将圆周壁3A的上端缘包边一边向圆周壁3A的圆心侧突出。在环状壁3C的内侧形成有从上侧Z1连通至圆周壁3A的中空部分的出入口18。出入口18处于从下侧Z2与箱体2的出入口15对置并连通的状态。在环状壁3C设有将出入口18开闭的门19。需要说明的是，门19也可以省略。底壁3B形成为大致水平地延伸的圆板状，在底壁3B的圆心位置形成有贯通底壁3B的贯通孔3D。
洗涤桶4例如为金属制，形成为比水桶3小一圈的有底圆筒状，能在内部容纳洗涤物L。旋转桶4具有沿上下方向Z配置的大致圆筒状的圆周壁4A和设置于洗涤桶4的下端并从下侧Z2堵住圆周壁4A的中空部分的底壁4B。
圆周壁4A的内周面和底壁4B的上表面是洗涤桶4的内表面部。在洗涤桶4的上端形成有被圆周壁4A的内周面的上端包边的出入口20。出入口20使圆周壁4A的中空部分朝上侧Z1露出，处于从下侧Z2与水桶3的出入口18连通的状态。用户经由敞开的出入口15、出入口18以及出入口20使洗涤桶4从上侧Z1出入于洗涤桶4。
洗涤桶4同轴地容纳于水桶3内。容纳于水桶3内的状态的洗涤桶4能以绕穿过洗涤桶4的圆心沿上下方向Z延伸的旋转轴线J进行旋转。本实施方式中的旋转轴线J严格地沿垂直方向延伸，但也可以沿相对于垂直方向的倾斜方向延伸。作为一个例子，倾斜方向是随着靠近上侧Z1而向前侧Y1偏移的方向。旋转轴线J也穿过水桶3的圆心。洗涤桶4的旋转方向与绕旋转轴线J的周向P一致。以下，将以旋转轴线J为基准的径向称为径向R，在径向R上，将靠近旋转轴线J的一侧称为径向内侧R1，将远离旋转轴线J的一侧称为径向外侧R2。在洗涤桶4的圆周壁4A和底壁4B形成有多个贯通孔4C，水桶3内的洗涤水能经由贯通孔4C在水桶3与洗涤桶4之间往来。由此，洗涤桶4内也能蓄洗涤水，水桶3内的水位与洗涤桶4内的水位一致。
在洗涤桶4的内周面的上端部安装有沿着周向P的环状的平衡器25。平衡器25减轻旋转时的洗涤桶4的振动，在平衡器25的内部的空腔25A中容纳有用于有助于振动减轻的盐水等液体。
洗涤桶4的底壁4B形成为在上侧Z1与水桶3的底壁3B隔开间隔地大致平行延伸的圆板状。在底壁4B的与旋转轴线J一致的圆心位置形成有沿上下方向Z贯通底壁4B的贯通孔4D。在底壁4B设有一边包围贯通孔4D一边沿旋转轴线J向下侧Z2延伸出的管状的支承轴26。支承轴26插通水桶3的底壁3B的贯通孔3D，支承轴26的下端部位于比底壁3B靠下侧Z2。
旋转翼5是所谓的波轮，形成为以旋转轴线J为圆心的圆盘状，在洗涤桶4内配置于底壁4B上。在旋转翼5的面向洗涤桶4的出入口20的上表面部设有向上侧Z1隆起并以旋转轴线J为圆心呈辐射状地配置的多个隆起部5A。在旋转翼5的下表面部设有以旋转轴线J为圆心呈辐射状地配置的多个背叶5B。将在洗涤桶4的内部空间中配置了旋转翼5的背叶5B的下端部称为空间S。在旋转翼5设有从其中央部沿旋转轴线J向下侧Z2延伸的旋转轴27。旋转轴27插通支承轴26的中空部分，旋转轴27的下端部位于比水桶3的底壁3B靠下侧Z2。
马达6是变频马达等电动马达。马达6在箱体2内配置于水桶3的下侧Z2。马达6具有以旋转轴线J为中心进行旋转的输出轴26，产生驱动力而从输出轴26输出。
传递机构7夹置于支承轴26和旋转轴27各自的下端部与从马达6向上侧Z1突出的输出轴28的上端部之间。传递机构7将马达6从输出轴28输出的驱动力选择性地传递至支承轴26和旋转轴27中的一方或双方。作为传递机构7，可以使用公知的机构。当来自马达6的驱动力传递至支承轴26时，洗涤桶4接受马达6的驱动力而以旋转轴线J为旋转中心被旋转驱动。当来自马达6的驱动力传递至旋转轴27时，旋转翼5接受马达6的驱动力而以旋转轴线J为旋转中心被旋转驱动。引导罩8存在多个，在圆周方向P上分散地排列在圆周壁4A的内周面。该引导罩8优选沿周向P等间隔地配置。各个引导罩8为从洗涤桶4的圆周壁4A的下端部向上侧Z1延伸的管状，例如为树脂制，其俯视剖面例如形成为向径向内侧R1凸弯曲的圆弧状。引导罩8以从径向内侧R1覆盖圆周壁4A的一部分的方式固定于圆周壁4A。由此，在引导罩8与圆周壁4A之间形成有在洗涤桶4内从圆周壁4A的下端部向上侧Z1延伸的循环流路29。也就是说，引导罩8构成循环流路29。存在多个引导罩8，因此也设有多个循环流路29。
循环流路29的下端部作为循环流路29的入口29A而从径向外侧R2与在洗涤桶4的内部空间配置了旋转翼5的背叶5B的空间S连接。也就是说，入口29A配置于洗涤桶4的底壁4B侧。在引导罩8形成有将引导罩8向径向R贯通的开口9A。在循环流路29中从开口9A向径向内侧R1露出的部分是出口29B，出口29B配置于比入口29A高的位置并面向洗涤桶4内。
过滤单元9包括恰好容纳于引导罩8的开口9A的框架30和安装于框架30的过滤器31。过滤器31例如是由网等构成的片状，覆盖开口9A。
排水路10从下侧Z2与水桶3的底壁3B连接，水桶3内的水从排水路10向机外排出。在排水路10的中途设有为了开始或停止排水而开闭的排水阀35。
供水路11的一端从上侧Z1与水桶3的环状壁3C连接，供水路11的另一端与自来水的龙头相连。供水路11将自来水从供水路11供给至水桶3内。在供水路11的中途设有为了开始或停止供水而开闭的供水阀36。
与超声波清洗单元12相关联地，在箱体2的上表面板2C的划分部2D设有将第一开口2F包边并向后侧Y2凹陷的凹状的第一容纳室41。在第一容纳室41连接有：导水路42，在供水路11中从比供水阀36靠水桶3侧的下游部分分支；以及流出路43，从第一容纳室41主要向下侧Z2延伸而与水桶3的环状壁3C连接。在供水路11与导水路42的连接部分设有切换阀44。切换阀44是所谓的多通阀，使流过供水路11的水继续流向供水路11，或者流向导水路42。
超声波清洗单元12包括托盘45和超声波清洗部46。参照作为箱体2的上表面板2C及其周边部分的立体图的图2，托盘45具有向上侧Z1敞开的凹陷45A和配置于比凹陷45A靠前侧Y1的把手45B。上述的导水路42的端部在第一容纳室41内的托盘45上开口。上述的流出路43在第一容纳室41内与托盘45的底部连接。在流出路43的中途等设有流出阀(未图示)。在流出阀关闭的状态下从供水路11分流至导水路42的水被导水路42引导至托盘45而蓄留于凹陷45A。在该状态下，当流出阀打开时，托盘45内的水通过流出路43流出，然后，从流出路43下落而蓄留于水桶3和洗涤桶4。
超声波清洗部46是沿前后方向Y延伸的喷嘴形状，位于其前端的前端部46A向下侧Z2弯折。超声波清洗部46通过被通电而在前端部46A产生超声波。 超声波清洗部46以至少前端部46A配置于托盘45上的方式相对于托盘45被定位。
超声波清洗单元12通过设于箱体2的上表面板2C的第一容纳室41沿前后方向Y可滑动地被支承。具体而言，超声波清洗单元12可在容纳于第一容纳室41的容纳位置(参照图1)与通过上表面板2C的划分部2D的第一开口2F而从第一容纳室41向前侧Y1拉出的拉出位置(参照图2)之间滑动。用户能通过抓住托盘45的把手45B进行推拉，使超声波清洗单元12滑动。
需要说明的是，上述的导水路42和所述流出路43分别可以构成为在超声波清洗单元12位于拉出位置时被截断，在超声波清洗单元12位于容纳位置时开通。此外，也可以在划分部2D设有与超声波清洗单元12的滑动联动地将第一开口2F开闭的遮板(未图示)。该遮板在超声波清洗单元12位于容纳位置时关闭第一开口2F，当容纳位置的超声波清洗单元12开始滑动时，打开第一开口2F。在该情况下，即使在遮板关闭了第一开口2F的状态下，把手45B也从上表面板2C的出入口15内露出以供用户握持。
碱性离子水生成单元13例如具有大致立方体状的盒体51和构成箱体2的上表面板2C的划分部2D的一部分的第二容纳室52。参照图3，盒体51具有均为大致正方形的平板状的前壁53、后壁54、左壁55、右壁56、顶壁57以及底壁58。前壁53具有与划分部2D的第二开口2G相同的大小(也参照图2)。在盒体51内形成有由前壁53、后壁54、左壁55、右壁56、顶壁57以及底壁58包围的大致立方体状的内部空间51A。
参照图4，后壁54比前壁53小一圈。在后壁54的沿着左壁55的区域，向后侧Y2突出地设有向后侧Y2突出的圆管状的流入管59。流入管59的内部空间为流入口59A，贯通后壁54而从后侧Y2与盒体51的内部空间51A连通。在后壁54的流入管59的右侧相邻处，形成有向前侧Y1凹陷而陷入内部空间51A的圆筒状的第一流出口54A。第一流出口54A具有：大径部54B，形成其后端部；以及小径部54C，配置于比大径部54B靠前侧Y1的位置，且直径比大径部54B小。小径部54C设有公知的止回阀60。止回阀60具有可在关闭第一流出口54A的关闭位置与打开第一流出口54A的打开位置之间沿前后方向Y滑动的阀芯60A。
左壁55从后壁54的左端向前侧Y1延伸，连接于前壁53的比前壁53的左端稍微靠右侧X2的部分。右壁56从后壁54的右端向前侧Y1延伸，连接于前壁53的比前壁53的右端稍微靠左侧X1的部分。
顶壁57从后壁54的上端向前侧Y1延伸，连接于前壁53的比前壁53的上端稍微靠下侧Z2的部分。在俯视观察下的顶壁57的中央部形成有沿上下方向Z贯通顶壁57的圆形形状的补充口57A。盒体51包括堵住补充口57A的圆盘状的盖部61。堵住补充口57A的状态下的盖部61的外周面与补充口57A的内周面通过相互形成螺纹部W(参照后述的图6)而被螺纹紧固。在盖部61的上表面部设有向下侧Z2以半球状凹陷的凹陷61A和横穿凹陷61A而延伸的捏手61B。用户通过捏住捏手61B并将盖部61向逆时针方向扭转，能将盖部61拆下而敞开补充口57A。另一方面，用户通过在盖部61嵌入至补充口57A的状态下捏住捏手61B并将盖部61顺时针扭转，能将盖部61螺纹紧固于补充口57A。
底壁58从后壁54的下端向前侧Y1延伸，连接于前壁53的比前壁53的下端靠上侧Z1的部分。能将用户的手指勾在前壁53中比底壁58靠下侧Z2的下端部。在底壁58中的后壁54的第一流出口54A的正下方形成有从底壁58的下表面部凹陷至第一流出口54A的跟前的凹部58A。凹部58A的上缘部处于以沿着第一流出口54A的方式弯曲成半圆状的状态。
图5至图8是包含盒体51及其周边的第2容纳室52的纵剖面的立体图。图5和图7表示相同的纵剖面，图6和图8表示相同的纵剖面。如图5和图6所示，在盒体51的内部空间51A设有从底壁58呈半圆筒状地向上侧Z1鼓出的鼓出部51B。鼓出部51B从后壁54的前表面部向前侧Y1延伸。在鼓出部51B内配置有第一流出口54A和凹部58A(参照图6)。鼓出部51B的前端面51C在内部空间51A中配置于前后方向Y上的大致中央位置。第一流出口54A的小径部54C处于从前端面51C露出并与内部空间51A连通的状态。
第二容纳室52形成为一边将箱体2的上表面板2C的划分部2D中的第二开口2G包边一边向后侧Y2凹陷的凹状，具有与在盒体51中去除前壁53的部分大致相同的形状及大小。在划分部2D设有划分第二容纳室52的左壁65(参照图2)、右壁66、顶壁67、底壁68以及后壁69。左壁65和右壁66是大致矩形的纵板，在左右方向X上对置地配置。顶壁67和底壁68是大致矩形的横板， 顶壁67架设于左壁65和右壁66的上端之间，底壁68架设于左壁65和右壁66的下端之间。左壁65、右壁66、顶壁67以及底壁68的前端缘划分出第二开口2G。
后壁69为块状，其前表面部69A为大致平坦的垂直面。在前表面部69A的靠左的位置形成有在后壁69内向后侧Y2延伸的圆筒状的插入口69B(参照图5)。插入口69B具有其前半部分的大径部69C和直径比大径部69C小且从后侧Y2与大径部69C相连的小径部69D。在大径部69C设有公知的止回阀70。止回阀70具有可在关闭插入口69B的关闭位置与打开插入口69B的打开位置之间沿前后方向Y滑动的阀芯70A。
在前面部69A的插入口69B的右侧相邻位置设有向前侧Y1突出的圆管状的流出管71。流出管71具有与前表面部69A连接的圆筒状的大径部71A和呈直径比大径部71A小的圆管状且与大径部71A同轴地配置的小径部71B。在小径部71B中，后半部分插通于大径部71A内，前半部分从大径部71A向前侧Y1突出(参照图6)。在流出管71形成有在前后方向Y上贯通其中心部分的圆形形状的第二流出口71C。第二流出口71C从小径部71B的前表面向前侧Y1露出。
流出管71具有从第二流出口71C向前侧Y1突出的圆柱状的突出部71D和架设于第二流出口71C中的流出管71的内周面与突出部71D的后端部的外周面之间而支承突出部71D的小片状的支承部71E。突出部71D的后端部具有游隙而插入至第二流出口71C内。支承部71E设有多个，在绕突出部71D的周向上等间隔地排列。在后壁69内形成有从第二流出口71C的后端部向上侧Z1细长地延伸的圆筒状的第三流出口69E(参照图6)。
这样的第二容纳室52在供水路11中设于供水阀36与切换阀44之间的中途部11A(参照图1)。因此，后壁69的插入口69B、第二流出口71C以及第三流出口69E是供水路11的一部分。
盒体51以可拉出的方式装接于设在上表面板2C的划分部2D的第二容纳室52。图5所示的盒体51处于大致整体从第2容纳室52向前侧Y1拉出的状态，图6所示的盒体51处于从第2容纳室52向前侧Y1完全地拉出的状态，图7和图8所示的盒体51处于装接于第2容纳室52的装接位置。当盒体51从装接位 置向前侧Y1拉出时，设于盒体51的止回阀60的阀芯60A配置于关闭位置而关闭第一流出口54A(参照图6)，设于第二容纳室52的后壁69的止回阀70的阀芯70A配置于关闭位置而关闭插入口69B(参照图5)。由此，成为供水路11的中途部11A被切断的状态。
另一方面，当被拉出的盒体51被压入至后侧Y2的装接位置时，如图7和图8所示，在盒体51中，前壁53以外的所有壁面被容纳于第二容纳室52。此时，盒体51的流入管59从前侧Y1插入第二容纳室52的后壁69的插入口69B，并将止回阀70的阀芯70A向后侧Y2推压，因此，阀芯70A配置于打开位置而打开插入口69B(参照图7)。此外，后壁69的流出管71从后侧Y2插入盒体51的后壁54的第一流出口54A，流出管71的突出部71D向前侧Y1按压止回阀60的阀芯60A，因此阀芯60A配置于打开位置而敞开第一流出口54A(参照图8)。
综上所述，插入口69B与流入管59的流入口59A、盒体51的内部空间51A、第一流出口54A、流出管71的第二流出口71C、后壁69内的第三流出口69E相连，因此成为供水路11的中途部11A遍及整个区域而开通的状态，盒体51构成供水路11的一部分。通常的盒体51通过处于装接位置并且被容纳于第二容纳室52而不会露出于出入口15，因此能谋求涉及盒体51的配置的节省空间化。需要说明的是，在盒体51处于装接位置时，流入管59与插入口69B之间的间隙、流出管71与第一流出口54A之间的间隙被填料等密封部件堵住。
在盒体51的内部空间51A容纳有多个镁粒M。镁粒M是镁制的颗粒，新品时的镁粒M的粒径被设定为几mm左右的大小。用户将手指勾在盒体51的前壁53的下端部而将盒体51从装接位置拉出并将盖部61拆下，能从补充口57A向盒体51的内部空间51A补充镁粒M(参照图5和图6)。需要说明的是，在盒体51从装接位置被拉出的状态下，止回阀60的阀芯60A和止回阀70的阀芯70A分别处于关闭位置，因此能防止从被切断的供水路11的中途部11A漏水。
参照图1，洗衣机1还包括例如由微机构成并内置于箱体2内的控制部80。控制部80包括CPU、ROM或RAM等存储器和计时用的计时器。马达6、传递机构7、显示操作部17、排水阀35、供水阀36、切换阀44以及超声波清洗部46分别与控制部80电连接。
控制部80通过控制施加于马达6的电压的占空比，以所希望的转速旋转的方式控制马达6。控制部80通过控制传递机构7而将马达6的驱动力的传递目标切换为支承轴26以及旋转轴27的一方或两方。当用户操作显示操作部17来选择运转条件等时，控制部80接收该选择。控制部80控制显示操作部17的显示。控制部80控制排水阀35和供水阀36的开闭。控制部80通过控制切换阀44的开闭，使流过供水路11的水继续流向供水路11，或者流向导水路42。控制部80对超声波清洗部46通电，使超声波清洗部46产生超声波。
控制部80通过控制马达6、传递机构7、供水阀36、排水阀35以及切换阀44的动作来执行洗涤运转。如后所述，控制部80在洗涤运转中打开供水阀36，因此来自龙头的自来水流过供水路11，在其中途部11A通过第二容纳室52的后壁69的插入口69B和盒体51的流入口59A流入盒体51的内部空间51A(参照图7的箭头V1)。由此，水蓄留于内部空间51A。当内部空间51A中的水位上升至第一流出口54A时，内部空间51A中的一部分水从第一流出口54A流出而流过第二流出口71C和第三流出口69E(参照图8的箭头V2)，到达切换阀44。切换阀44根据该状态，使水继续流入供水路11，或者流向导水路42。接着流过供水路11的水被供给至水桶3内，并能蓄留在水桶3和洗涤桶4中。如后所述，从切换阀44流向导水路42的水蓄留于超声波清洗部46内的托盘45中。
如此，在能蓄水的盒体51的内部空间51A中，水与从镁粒M溶于水的镁成分发生化学反应。关于水与镁的化学反应的详细情况，如上所述，通过该化学反应，内部空间51A内的水的pH值增大，由此被改性为碱性离子水。然后，内部空间51A内的碱性离子水即使在洗涤运转中以外也长时间蓄留于内部空间51A而被熟化，因此通过提高碱性离子水中的碱性成分的升度，高浓度的碱性离子水始终蓄留于内部空间51A。内部空间51A中蓄留有例如能在三次洗涤运转中使用的量的碱性离子水。
基于以上内容，对洗涤运转进行说明。作为一个例子，洗涤运转具有：清洗运转，清洗洗涤物L；漂洗运转，在清洗运转后漂洗洗涤物L；以及脱水运转，在漂洗运转后将洗涤物L脱水。
例如，在洗涤物L为衬衫且衬衫的领口存在顽固的污垢的情况下，用户在 洗涤运转开始之前，利用超声波清洗部46进行领口的超声波清洗。具体而言，用户在打开门16和门19的状态下，抓住位于容纳位置的超声波清洗单元12的托盘45的把手45B并向前侧Y1拉出，如图2所示，将超声波清洗单元12配置于拉出位置。
接着，当用户操作显示操作部17等时，控制部80控制切换阀44，将盒体51内的碱性离子水经由导水路42供给至托盘45。由此，少量的碱性离子水被导水路42引导至托盘45并蓄留于托盘45的凹陷45A中，因此，用户例如使衬衫的领口浸入托盘45内的碱性离子水后靠近超声波清洗部46的前端部46A。于是，浸入领口的碱性离子水被通电了的超声波清洗部46在前端部46A产生的超声波振动振裂，通过该冲击从领口分离污垢。用户像这样将超声波清洗部46的超声波打在洗涤物L的顽固的污垢上规定时间，由此事先对洗涤物L进行超声波清洗。
当使超声波清洗结束的用户操作显示操作部17等时，控制部80停止向超声波清洗部46通电，打开上述的流出阀。由此，托盘45内的水通过流出路43流出，然后，从流出路43下落而蓄留于水桶3和洗涤桶4(参照图1)。由此，托盘45变空。然后，用户抓住托盘45的把手45B并向后侧Y2推压，将超声波清洗单元12返回至容纳位置后，将包含刚才进行了超声波清洗的洗涤物L的所有洗涤物L投入洗涤桶4内，关闭门16和门19并操作显示操作部17。由此，控制部80开始洗涤运转。需要说明的是，用户也可以将未进行超声波清洗的洗涤物L在超声波清洗之前预先投入洗涤桶4内。
如此，在洗衣机1中，通过使用碱性离子水代替洗涤剂，能对洗涤物L进行超声波清洗。特别是，碱性离子水的粘性与通常的自来水的粘性相同，比液体洗涤剂的粘性低。例如，在从液体洗涤剂专用的盒体向托盘45自动投入液体洗涤剂，然后进行超声波清洗而使使用后的液体洗涤剂从流出路43流出的情况下，液体洗涤剂恐怕会因其粘性而堵住流出路43等，需要维护流出路43等液体洗涤剂的流路。但是，在像该洗衣机1那样使用碱性离子水代替液体洗涤剂的情况下，没有堵住流出路43等的不良情况，因此不需要上述的维护。
参照图1，开始了洗涤运转的控制部80在清洗运转中，首先打开供水阀36向洗涤桶4供水。需要说明的是，在洗涤运转中，流过供水路11的水不向导水 路42分流而直接供给至洗涤桶4，作为洗涤水蓄留于洗涤桶4内。当洗涤桶4内的水位上升至比洗涤桶4内的洗涤物L的上端高的洗涤水位时，控制部80通过关闭供水阀36而停止供水。如上所述，蓄留于洗涤桶4的洗涤水是碱性离子水，与洗涤剂同样地，碱性离子水具有分解油脂成分、具体而言酸性皮脂污垢等的作用。因此，洗涤桶4内的洗涤物L通过浸于蓄积在洗涤桶4内的碱性离子水中而使污垢脱落。
而且，控制部80在清洗运转中使旋转翼5旋转。由此，洗涤桶4内的底壁4B侧的空间S的洗涤水被高速旋转的旋转翼5的背叶5B推向径向外侧R2而送入各循环流路29的入口29A。向上侧Z1流过各循环流路29的洗涤水通过过滤单元9的过滤器31而从循环流路29的出口29B向径向内侧R1流出(参照图1中的粗虚线箭头V3)。过滤器31从通过过滤器31的洗涤水中捕获线头等异物，并蓄留于过滤单元9内。从出口29B返回洗涤桶4内的洗涤水在从上侧Z1喷淋洗涤桶4内的洗涤物L后，流落至空间S，再次以通过循环流路29喷淋洗涤物L的方式进行循环。
在清洗运转中，洗涤水像这样伴随着旋转叶片5的旋转而循环，使碱性离子水喷淋洗涤物L。而且，洗涤物L被旋转的旋转翼5的隆起部5A搅拌，因此能机械地去除洗涤物L的污垢。需要说明的是，在洗涤运转开始时等，也可以向洗涤桶4内自动投入洗涤剂，或者利用用户的手工操作来投入洗涤剂。该情况下的洗涤水包含洗涤剂成分，在清洗运转中，洗涤物L的污垢被洗涤剂成分化学分解。需要说明的是，碱性离子水中的碱性成分与洗涤剂同样地发挥功能，因此即使将洗涤剂的使用量设为少量或零，也能利用碱性成分辅助洗涤剂或代替洗涤剂来得到高的清洗效果。通过这样抑制洗涤剂的使用量，能降低由洗涤剂引起的对环境的负荷。当从伴随着旋转翼5的旋转的洗涤水的循环开始起经过了规定的洗涤时间时，控制部80停止旋转翼5，打开排水阀35从洗涤桶4排水，由此使清洗运转结束。
接着，控制部80开始漂洗运转。具体而言，控制部80打开供水阀36向洗涤桶4供水，将洗涤水蓄留至洗涤桶4直至规定的漂洗水位。然后，控制部80使旋转翼5旋转。在漂洗运转中，与清洗运转同样地，洗涤水伴随着旋转翼5的旋转而循环，碱性离子水被喷淋至洗涤物L、洗涤桶4的水桶3以及洗涤桶4。 由此，残留于洗涤物L的污垢被碱性离子水去除，并且通过碱性离子水所包括的负离子等对洗涤物L、水桶3、洗涤桶4进行除菌。当从伴随着旋转翼5的旋转的洗涤水的循环开始起经过了规定的漂洗时间时，控制部80使旋转翼5停止，打开排水阀35从洗涤桶4排水，由此使漂洗运转结束。漂洗运转也可以实施多次。如上所述，通过利用碱性离子水抑制洗涤剂的使用量，能抑制漂洗运转所需的水量且在短时间内漂洗洗涤物L，因此能谋求节水、节能和时间缩短。
接着，控制部80开始脱水运转。具体而言，控制部80在打开排水阀35的状态下使洗涤桶4脱水旋转。脱水旋转中的洗涤桶4的转速阶段性地上升，最终例如达到800rpm的最高转速后，停止向电动机6施加电压，由此洗涤桶4进行惯性旋转。利用由洗涤桶4的脱水旋转引起的离心力，洗涤桶4内的洗涤物L被脱水。通过脱水从洗涤物L渗出的水从排水路21向机外排出。当洗涤桶4的惯性旋转停止时，控制部80使脱水运转结束。脱水运转既可以作为最终脱水运转在洗涤运转的最后实施，也可以作为中间脱水运转而在清洗运转等刚结束后实施。
如上所述，在洗衣机1中，构成向洗涤桶4供水的供水路11的一部分的盒体51容纳镁粒M，因此在盒体51中，通过在向洗涤桶4供水时流过供水路11的水与镁粒M发生化学反应而生成碱性离子水。这样生成的碱性离子水蓄留在盒体51中而被熟化，由此，碱性离子水中的碱性成分的浓度升高，盒体51内的碱性离子水成为高浓度，在接下来的供水时等被供给至洗涤桶4，因此能利用高浓度的碱性离子水有效地洗涤洗涤桶4内的洗涤物L。因此，能谋求提高利用镁粒M对洗涤桶4内的洗涤物L的洗涤性能。特别是，能在盒体51这样的专用空间内容纳大量的镁粒M，因此能大量生成高浓度的碱性离子水而谋求提高洗涤性能。此外，在洗涤运转开始时，高浓度的碱性离子水已经存在于盒体51内，因此在洗涤运转中，通过节省生成碱性离子水所需的时间，能谋求时间缩短。
镁粒M在新品时具有例如银色的表面，但当因使用而反复地与洗涤水接触时，会在表面形成氧化膜而劣化，例如变为黑色。劣化的镁粒M难以与洗涤水发生化学反应。因此，作为除了如上所述将镁粒M从补充口57A补充到盒体51内以外的维护，用户例如也可以通过手工操作将规定的洗涤剂投入蓄留有碱性 离子水的盒体51内。作为该清洗剂，可列举出柠檬酸的片剂、液体。
由此，在盒体51内生成柠檬酸水溶液，盒体51内的镁粒M浸于柠檬酸水溶液。于是，镁粒M通过从表面去除氧化膜而进行再生。需要说明的是，用户也可以将盒体51拉出，浸渍于桶等所蓄留的柠檬酸水溶液中，对盒体51内的镁粒M进行维护。
在上表面板2C中，在装接于划分出入口15的划分部2D的第二容纳室52的状态下的盒体51中，前壁53是露出于出入口15的露出部。为了使用户能越过前壁53目视确认盒体51内的镁粒M的余量、状态，前壁53也可以呈透明或半透明。
本发明不限定于以上说明的实施方式，能在技术方案所记载的范围内进行各种变更。
例如，在洗衣机1中，在洗涤运转以外的定时，为了生成碱性离子水，也可以执行向盒体51供水的碱性离子水生成运转。与由用户实现的显示操作部17的操作对应，控制部80执行碱性离子水生成运转。
例如，洗衣机1在上述的实施方式中是立式洗衣机，但也可以是洗涤桶4的旋转轴线J沿前后方向Y水平延伸的滚筒式洗衣机。而且，洗衣机1可以是具有烘干功能的洗干一体机，也可以是双桶式洗衣机。

Claims (4)

  1. 一种洗衣机，其特征在于，包括：
    箱体；
    洗涤桶，配置于所述箱体内并容纳洗涤物；
    供水路，向所述洗涤桶供水；以及
    盒体，构成所述供水路的一部分，容纳镁粒并能蓄水。
  2. 根据权利要求1所述的洗衣机，其特征在于，包括：
    托盘；
    超声波清洗部，配置于所述托盘上并产生超声波；以及
    导水路，将所述盒体内的水引导至所述托盘。
  3. 根据权利要求1或2所述的洗衣机，其特征在于，
    在所述箱体设有划分出供洗涤物出入于所述洗涤桶的出入口的划分部，
    所述盒体以可拉出的方式装接于所述划分部。
  4. 根据权利要求3所述的洗衣机，其特征在于，
    装接于所述划分部的状态下的所述盒体中的露出于所述出入口的露出部呈透明或半透明。
PCT/CN2020/131543 2019-12-26 2020-11-25 洗衣机 WO2021129292A1 (zh)

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