JP2005074024A - Washing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a miniaturized and easily handlable highly concentrated detergent solution preparing/feeding device with high efficiency of dissolving powder detergent. <P>SOLUTION: A pole-shaped detergent agitating member 223 is horizontally laid on the base of a powder detergent dissolving container 221 having a wide and deep lower space 221a with narrow depth and a wide upper space 221b with expanded depth and top opening. A very high concentrated detergent solution is prepared by rotating the detergent agitating member with powder detergent dissolving water fed to such a level as reserved in the lower space of the powder detergent dissolving container, and the prepared detergent solution is diluted to be sprinkled over the laundry. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an electric washing machine.

  Washing in an electric washing machine (electric washing dryer) can reduce the mechanical force that acts on the laundry by effectively utilizing the chemical cleaning power of the detergent.

  In order for chemical cleaning power of the detergent to effectively act on the dirt adhering to the laundry, it is necessary to dissolve the powder detergent in a high concentration, dip it on the laundry and submerge it. It is necessary to add a high-concentration detergent liquid production and supply device that dissolves and dries the detergent.

  Such a high-concentration detergent liquid production and supply device is arranged at the bottom of the detergent dissolution container, and has a detergent dissolution container having an overflow edge that overflows the detergent dissolution liquid and a siphon water flow mechanism that conducts at a level lower than the overflow edge. A flat disk-shaped detergent stirring blade, a stirring motor for driving the detergent stirring blade, and a water supply electromagnetic valve for supplying water to the detergent dissolution container, the detergent stirring blade being a bottom wall of the detergent dissolution container The detergent detergent container is fitted with a vertical drive shaft, and the detergent agitation blade is rotated in a state where the detergent dissolution water is supplied to a level lower than the conduction water level of the siphon passage mechanism in the detergent dissolution container. An ultra-high-concentration detergent solution generated by stirring and dissolving is diluted with a diluted water supply, and is discharged through the overflow edge and the siphon water-flow mechanism so as to fall on the laundry.

JP 2002-360981 A

  Such a high-concentration detergent liquid production and supply apparatus has a large space around or above the detergent stirring blade in the detergent dissolution container in which the flat disk-shaped detergent stirring blade is installed at the bottom. When the is rotated, the powder detergent easily escapes into the space. Therefore, it is difficult to effectively act on the stirring force for efficiently dissolving the powder detergent in the powder detergent water.

  In order to apply a large stirring force to the powder detergent, the detergent stirring blade may be rotated at a high speed. However, if the detergent stirring blade is rotated at a high speed, the powder detergent water will also rotate at a high speed. There arises a problem that the outer peripheral portion is swollen and overflows from the detergent dissolution container, and the powder detergent is also diffused and the adhesion area is enlarged, so that countermeasures are required.

  In addition, this high concentration detergent liquid production and supply apparatus is complicated and expensive due to the large number of components, and further, since it is large in size, there are many restrictions on the installation position in the electric washing machine.

  Furthermore, this high-concentration detergent liquid production and supply apparatus requires opening and closing a large outer lid that opens and closes the clothes insertion port in order to supply (supplement) the powder detergent, which is inconvenient.

  One object of the present invention is to provide a high-concentration detergent liquid production and supply device capable of increasing the dissolution efficiency of a powder detergent.

  Another object of the present invention is to provide a high-concentration detergent liquid production and supply device that is easy to install in an electric washing machine in a small and easy-to-use form.

  Still another object of the present invention is to provide an easy-to-use high-concentration detergent liquid generation and supply device that can easily supply (supplement) powder detergent without opening and closing a large outer lid that opens and closes a clothing input port. There is.

  Still another object of the present invention is to provide a specific means suitable for achieving the above-mentioned object.

In the present invention, powder detergent water is supplied into a powder detergent dissolution container charged with powder detergent and stirred with a detergent agitating member to dissolve the powder detergent to produce a detergent liquid and put it in the washing and dehydrating tank. In an electric washing machine equipped with a detergent solution supply device for supplying,
The detergent liquid production and supply device includes:
The detergent stirring member is installed in a powder detergent dissolution container so that the axial dimension of the rotating shaft is constituted by a rotating body larger than the dimension in the direction crossing the rotating shaft, and the axial direction is substantially horizontal.
The powder detergent dissolution container has an opening in the upper part, accommodates the detergent agitation member at the bottom, and a horizontal dimension inside the container in a direction crossing the rotating shaft is relative to a part accommodating the detergent agitation member. The portion in which the opening is formed is a larger container.

Further, the present invention is to supply a powder detergent dissolving water in a powder detergent dissolution container charged with a powder detergent and dissolve the powder detergent by stirring with a detergent stirring member to produce an ultra-high concentration detergent liquid, In an electric washing machine equipped with a high-concentration detergent liquid production and supply device for diluting the ultra-high concentration detergent liquid by supplying dilution water to a powder detergent dissolution container and falling on the laundry in the washing and dehydrating tub,
The high-concentration detergent liquid production and supply device is
The powder detergent dissolution container includes a wide, narrow and deep lower space, and an extended upper space that expands and widens the depth.
The detergent stirring member is configured in a rod-like form and installed horizontally at the bottom of the lower space in the powder detergent dissolution container,
It is characterized in that an ultra-high concentration detergent solution is generated by rotating the detergent stirring member in a state in which powder detergent dissolving water is supplied so as to remain in the lower space of the powder detergent dissolving container.

Further, the present invention is to supply a powder detergent dissolving water in a powder detergent dissolution container charged with a powder detergent and dissolve the powder detergent by stirring with a detergent stirring member to produce an ultra-high concentration detergent liquid, Dilution water is supplied to the powder detergent dissolution container to dilute the ultra-high concentration detergent liquid and raise the liquid level, so that it is sucked out by the siphon mechanism and falls on the laundry in the washing and dehydrating tub. In an electric washing machine equipped with a high-concentration detergent liquid production and supply device that penetrates into
The high-concentration detergent liquid production and supply device is
The powder detergent dissolution container includes a wide, narrow and deep lower space, and an extended upper space that expands and widens the depth.
The detergent stirring member is configured in a rod-like form and installed horizontally at the bottom of the lower space in the powder detergent dissolution container,
The siphon mechanism is configured to suck out a high-concentration detergent liquid that has been diluted and whose liquid level has risen to the upper space,
It is characterized in that an ultra-high-concentration detergent liquid is generated by rotating the detergent stirring member at a high speed while supplying the powder detergent-dissolving water to such an extent that it remains in the lower space of the powder detergent-dissolving container.

  The bottom surface of the lower space is curved in a semicircular shape concentric with the rotation center of the detergent stirring member.

  In addition, the powder detergent dissolving container is provided so as to open on the upper surface of the electric washing machine.

  In addition, the powder detergent dissolution container is provided so as to open on the back panel.

  In addition, the powder detergent dissolution container is formed integrally with a back panel.

  In addition, a detergent dissolution driving motor that rotationally drives the detergent stirring member is attached to an outer side surface of the powder detergent dissolution container.

  Further, the lower space of the powder detergent dissolving container has a capacity capable of accommodating 300 to 600 milliliters of powder detergent dissolving water.

  In addition, the detergent dissolution driving electric motor has a canned motor structure in which the detergent stirring member is provided at an extended portion of a rotating shaft, and is attached to the outside of the side surface of the powder detergent dissolving container so that the detergent stirring member advances into the powder detergent dissolving container. It was made to be characterized.

  Further, the detergent dissolution driving electric motor is characterized in that the detergent stirring member is detachably coupled to an extended portion of a rotating shaft.

  The present invention provides an electric washing machine including a high-concentration detergent liquid production and supply device for dropping a high-concentration detergent liquid produced by dissolving a powder detergent onto laundry in a washing and dewatering tub. The apparatus is placed horizontally at the bottom of the lower space in the powder detergent dissolution container, which has a wide, narrow and deep lower space and an upper space that is widened by expanding the depth and opened upward. A detergent stirring member in the form of a rod installed in the container, and by rotating the detergent stirring member while supplying the powder detergent dissolving water to the extent that it stays in the lower space of the powder detergent dissolution container, Since it is designed to be applied to laundry as a high-concentration detergent solution by diluting after generation, it can improve the dissolution efficiency of the powder detergent, and can be easily installed in an electric washing machine in a compact and easy-to-use form. It can be.

  Further, the powder detergent dissolution container is provided so as to open on the upper surface of the electric washing machine, so that the powder detergent can be easily charged (supplemented) without opening and closing the large outer lid that opens and closes the clothes charging port. It becomes an easy-to-use high-concentration detergent liquid production and supply device.

The electric washing machine of the present invention dissolves the powder detergent by supplying the powder detergent dissolving water into the powder detergent dissolving container charged with the powder detergent and stirring with the detergent stirring member to produce an ultra-high concentration detergent liquid. , Supplying dilution water to the powder detergent dissolution container, diluting the ultra-high concentration detergent liquid and raising the liquid level, sucking it out by a siphon mechanism and falling down on the laundry in the washing and dehydrating tub Equipped with a high-concentration detergent liquid production and supply device that penetrates laundry
The high-concentration detergent liquid production and supply device is
The powder detergent dissolution container includes a lower space that is wide, narrow and deep, and has a bottom space that is curved in a semicircular shape, and an upper space that is widened by expanding the depth and opened upward on the back panel. Molded integrally with the back panel,
The detergent stirring member is configured in a rod shape and installed horizontally along the curved bottom surface of the lower space in the powder detergent dissolution container,
The siphon mechanism is configured to suck out a high-concentration detergent liquid that has been diluted and whose liquid level has risen to the upper space,
The detergent stirring member is spun at high speed while supplying the detergent water so that it stays in the lower space of the powder detergent dissolution container. A high-concentration detergent solution diluted by supplying dilution water is sucked out by a siphon mechanism and is applied to the laundry.

  FIG. 1 is a longitudinal side view of an electric washing machine according to a first embodiment of the present invention, and FIG. 2 is an external perspective view thereof.

  Reference numeral 1 denotes a rectangular cylindrical side frame constituting the outer shell. Reference numeral 2 denotes a washing and dewatering tub, which has a small hole 2a for water passage on the peripheral wall thereof, a fluid balancer 3 provided on the upper edge thereof, and a stirring blade 4 installed rotatably inside the bottom. 5 is an outer tub containing the washing / dehydrating tub 2, and a washing / dehydrating driving device 7 is attached to the outer side of the bottom via a steel-made mounting base 6 at the four corners of the upper end of the side frame 1. The central portion of the side frame 1 is supported by the four support rods 9 that are suspended by hanging on the provided corner plate 8 by engaging the four directions of the outer tub 5 via the shock absorber 10 to be evenly supported. Hang on.

  The washing / dehydrating drive device 7 includes a washing / dehydrating drive motor, an electromagnetically operated clutch mechanism, and a planetary gear speed reduction mechanism, and a stirring drive mode for rotating the stirring blade 4 while the washing / dehydrating tub 2 is stationary, It has a drive function for selectively executing a dehydration drive mode in which the water tank 2 and the stirring blade 4 are integrally rotated in the same direction.

  The top cover 11 formed with the outer garment insertion port 11a is fitted into the upper opening edge so as to cover the upper opening of the side frame 1, and is fixed to the side frame 1 with an attaching screw.

  A front panel box 13 which is a front housing portion formed between the front panel 12 attached to the front portion of the top cover 11 and the top cover 11 is provided with a power switch 14, an input switch group, and a display element group. A panel 15, a water level sensor 16 that generates a water level signal corresponding to the water level in the outer tub 5, and a control unit 17 are incorporated. These constitute a control device.

  A back panel box 19, which is a rear housing portion formed between the back panel 18 attached to the rear portion of the top cover 11 and the top cover 11, incorporates water supply means and a high-concentration detergent liquid production / supply device described later.

  The water supply means connects the water supply side to the faucet connection port 20, and the auxiliary water supply for supplying water to the main water supply electromagnetic valve or the high concentration detergent liquid production and supply device 22 connected to the water injection port 21 to the washing and dewatering tub 2 on the water discharge side. A water supply solenoid valve group 23 including a solenoid valve is used.

  The outer garment insertion port 11 a formed on the top cover 11 is covered with an outer lid 25 attached to the top cover 11 by a hinge 24 so as to be freely opened and closed.

  An outer tub upper cover 26 is attached to the upper end of the outer tub 5, and an inner garment input port 26 a formed in the outer tub upper cover 26 is concentrically opposed above the balance ring 3 at the upper end of the washing / dehydrating tub 2. And supported by being positioned so as to face the concentric state below the outer garment insertion port 11a.

  A drain port 5 a formed at the bottom of the outer tub 5 is connected to a drain hose 28 via a drain electromagnetic valve 27. The air trap 5 b is connected to the water level sensor 16 through the air tube 29.

  At the lower end edge of the side frame 1, a base 31 made of synthetic resin with legs 30 attached to the four corners is mounted.

  As will be described in detail later, the high-concentration detergent liquid production and supply device 22 opens and closes the opening with the powder detergent dissolution container 221 formed integrally with the back panel 18 and opened at the upper surface of the back panel 18. A detergent charging lid 222 is provided.

  3 and 4 show a specific configuration of the high-concentration detergent liquid production and supply device 22, FIG. 3 is a longitudinal side view of a portion of the high-concentration detergent liquid production and supply device 22, and FIG. It is a perspective view.

  The powder detergent dissolving container 221 in the high-concentration detergent liquid production and supply device 22 is wide and narrow in depth (W2) and swells to the deep lower space 221a and the front side (the center side of the side frame 1) to expand the depth. As a result, the upper space 221b having a wide opening (W1) is provided. That is, the powder detergent dissolution container 221 has a horizontal dimension inside the container in a direction crossing the rotation axis of the detergent stirring member 223, which will be described later, with respect to the portion (W2, D) containing the detergent stirring member 223. This is a container in which the portion (W1) in which is formed is larger.

  The lower space 221a is used as a detergent liquid generation space (within the dimension h) for generating a super-high-concentration detergent liquid by containing and stirring powder detergent and powder detergent dissolved water, and the upper space 221b is in the lower space 221a. The diluted water is poured into the ultra-high-concentration detergent solution produced in (5) and used as a dilution space (within the H dimension) where it is dropped on the laundry while being stirred and diluted. In this embodiment, the lower space 221a is formed to have a capacity suitable for producing an approximately 300 to 600 milliliter ultrahigh concentration detergent solution.

  In the bottom of the lower space 221a of the powder detergent dissolution container 221, a detergent stirring member 223 configured in a rod shape is accommodated in a horizontally placed state, that is, so that the rotation shaft of the detergent stirring member 223 is in a horizontal state. . The detergent stirring member 223 has a configuration in which a stirring blade 223b protrudes from the outer periphery of the rotating shaft 223a, and is a rotating body whose dimension in the rotating shaft direction is larger than the dimension in the direction crossing the rotating shaft. Then, the driven pulley 223c is fitted. The bottom surface of the lower space 221a of the powder detergent dissolution container 221 opposed to the detergent stirring member 223 is a rotation locus (diameter dimension d) drawn by the outer periphery of the stirring blade 223b of the detergent stirring member 223 as the detergent stirring member 223 rotates. And a slightly curved semicircular shape (diameter dimension D) with a concentric circle.

  A detergent dissolution drive motor 224 is installed in the upper space 221b of the powder detergent dissolution container 221 so as not to be submerged. The detergent dissolution drive motor 224 has a drive pulley 224 a fitted on a rotating shaft, and is connected to a driven pulley 223 c of the detergent stirring member 223 by a belt 225. The detergent dissolution driving electric motor 224 can be operated at a high rotational speed that drives the detergent stirring member 223 at a speed of approximately 2000 to 3000 rpm and a low rotational speed that drives the detergent stirring member 223 at a speed of approximately 500 to 1000 rpm. Configure as follows.

  Further, in this powder detergent dissolution container 221, a siphon mechanism that sucks out the high concentration detergent solution produced by diluting the ultra high concentration detergent solution, drops it onto the laundry in the washing and dehydrating tub 2 and permeates the laundry. 226 is attached. The siphon mechanism 226 extends through the bottom wall so as to stand in the container and open to the suction start position (height), and extends so as to cover the outer periphery of the suction pipe 226a. And a discharge pipe 226c that discharges the high-concentration detergent liquid sucked out by the suction pipe 226a so as to fall on the laundry in the washing and dehydrating tub 2.

  In addition to the above-described form, the powder detergent dissolution container 221 has a parallel depth region by inclining so that one of the front and rear walls extends linearly and continuously from the curved bottom surface of the bottom. It is also possible to form a lower space that does not have a parallel depth region by inclining so that both the front and rear walls extend linearly and continuously from the curved bottom surface. . In the form of a lower space in which one wall is inclined so as to expand linearly and continuously from the bottom, from the viewpoint of detergent agitation efficiency, the detergent agitation member extends from the inclined wall to the bottom. It is desirable to have a configuration in which the is rotated.

  A water inlet 227 for injecting powder detergent dissolving water and dilution water into the powder detergent dissolving container 221 is provided on the side wall of the upper space 221b in the powder detergent dissolving container 221, so that water is supplied from the auxiliary water supply electromagnetic valve 231 in the water supply electromagnetic valve group 23. Connect to. The main water supply solenoid valve 232 is connected to supply water to the water inlet 21.

  FIG. 5 is a block diagram showing a control system of the electric washing machine.

  The operation panel 15 includes an input switch group 151 and a display element group 152. The input switch group 151 includes a button switch group for setting various washing courses, and the display element group 152 includes a display lamp group for displaying the set washing course and its progress.

  The control unit 17 includes a microcomputer 171 and a load driving device 172. When the power switch 14 is turned on, the microcomputer 171 is activated to execute a control processing program, and an input from the input switch group 151 on the operation panel 15 is performed. The washing course is set according to the above, the auxiliary water supply electromagnetic valve 231 and the detergent dissolution drive motor 224 are driven to generate and drop the high-concentration detergent liquid, and the main water supply with reference to the water level detection signal output from the water level sensor 16 The electromagnetic valve 232 is driven to supply the washing water, the washing / dehydrating drive motor 71 and the clutch mechanism 72 in the washing / dehydrating drive device 7 are driven to rotate the stirring blade 4, and the drain electromagnetic valve 27 is driven to supply the washing water. Further, the washing and dewatering drive motor 7 and the clutch mechanism 72 in the washing and dewatering drive device 7 are driven to perform washing. The load driving device 172 is controlled to rotate the cum dewatering tank 2 and the stirring blade 4 to perform dewatering, and washing and dewatering operation control is executed, and the display element group 152 is turned on / off to display the progress state. To be configured.

  When the washing course is set, the microcomputer 171 detects the amount of cloth / cloth quality of the laundry, sets the amount of washing water / washing water flow (reciprocating rotation time of the agitating blade 4), sets the amount of powder detergent, High-concentration detergent solution supply), washing and agitation, washing and drainage, rinsing dewatering, rinsing water supply, rinsing and agitation, rinsing drainage, and final dehydration washing control processing.

  The cloth amount of the laundry is detected by operating the washing / dehydrating drive motor 71 to rotationally drive the agitating blade 4 and detecting the rotational load (dry cloth load) acting on the agitating blade 4. This is performed by a control process for detecting (estimating) the amount of laundry cloth.

  The amount of washing water and the amount of powder detergent are set according to the amount of laundry cloth, and a control process for displaying the amount of powder detergent to be input by turning on the display element group 152 is executed.

  For supplying the high-concentration detergent liquid, the auxiliary water supply electromagnetic valve 231 is opened to supply a predetermined amount of powdered detergent-dissolved water (tap water) to the powdered detergent-dissolving container 221, and the detergent-dissolving drive motor 224 is operated to move the detergent stirring member 223 By rotating and driving, the powder detergent in the powder detergent dissolution container 221 and the powder detergent dissolved water are stirred to produce an ultra-high concentration detergent liquid, and then the auxiliary water supply electromagnetic valve 231 is opened to supply dilution water (tap water). Then, the liquid level in the powder detergent dissolution container 221 is raised by diluting and the siphon mechanism 226 is made to function so that the high-concentration detergent liquid is sucked out and dropped on the laundry to be submerged. This is done by executing the supplied control process.

  The preferred detergent concentration when immersing a high-concentration detergent solution in laundry and effectively utilizing the chemical cleaning power of the detergent is about 5 to 30 times when the preferred detergent concentration of washing water is 1. Yes, preferably about 10 to 20 times. In order to realize the soaking of such a high concentration detergent solution, in this embodiment, the powder detergent is dissolved in the powder detergent dissolving water to produce an ultrahigh concentration detergent solution approximately 100 to 200 times. The high-concentration detergent solution is diluted with diluting water so as to fall on the laundry as a high-concentration detergent solution approximately 10 to 20 times.

  The amount of powder detergent that produces washing water with a preferred detergent concentration (detergent concentration 1 = 20 grams / 30 liters) is preferable when washing with a standard amount of water, assuming that the standard (rated) amount of washing water in an electric washing machine is 60 liters. The amount of powder detergent is 40 grams.

The high-concentration detergent liquid production and supply device 22 dissolves 40 grams of powder detergent with powder detergent-dissolved water in the lower space 221a of the powder detergent dissolution container 221, and the detergent concentration is about 100 to 200 times the ultra-high concentration detergent liquid. Is generated. The auxiliary water supply electromagnetic valve 231 uses a water supply whose maximum water supply is adjusted to about 3.4 liters / minute. The auxiliary water supply electromagnetic valve 231 adjusted in this way, the water supply amount when the minimum guaranteed pressure of water to be used (0.3 kg / cm ²⁾ is 30 ml / sec, the highest security water pressure (7.0 kg / cm ²⁾ In this case, the water supply amount becomes 57 ml / sec. Therefore, when the auxiliary water supply electromagnetic valve 231 is opened for 10 seconds in order to supply the powder detergent dissolving container 221 to the powder detergent dissolving water, the amount of powder detergent dissolving water is 300 ml to 570 ml. Therefore, the detergent concentration of the ultra-high-concentration detergent liquid produced by dissolving the powder detergent with this powder detergent-dissolved water is 105 to 200 times.

  Thereafter, the auxiliary water supply electromagnetic valve 231 is opened again to supply dilution water to the powder detergent dissolution container 221, thereby diluting the ultra-high concentration detergent liquid in the powder detergent dissolution container 221 to generate a high concentration detergent liquid. Since the detergent concentration of the high-concentration detergent liquid that is desirable for being dropped on the laundry is approximately 10 to 20 times, approximately 3 to 6 liters of dilution water is supplied. This amount of diluted water is an amount necessary to uniformly immerse an appropriate high-concentration detergent solution in the laundry, and is determined according to the amount of laundry cloth (the amount of powder detergent). The supply of approximately 3 to 6 liters of dilution water is realized by setting the valve opening time of the auxiliary water supply electromagnetic valve 231 to 100 seconds.

  By supplying dilution water to the powder detergent dissolution container 221, the liquid level of the high-concentration detergent liquid in the powder detergent dissolution container 221 rises. When the liquid level rises to the suction start position of the suction pipe 226a in the siphon mechanism 226, the siphon mechanism 226 operates to suck out the high-concentration detergent liquid in the powder detergent dissolution container 221 and discharge it from the discharge pipe 226c. It is desirable that the amount of the high-concentration detergent liquid when the siphon mechanism 226 operates to start the suction of the high-concentration detergent liquid to reach the suction start position is the amount immediately before the end of dilution. . However, in order to dilute the powder detergent dissolution container 221 to such a value, the powder detergent dissolution container 221 is enlarged, so that it is diluted to a concentration that does not interfere with the laundry. Assuming that the liquid level reaches the level before the end of dilution, the liquid level reaches the suction start position of the siphon mechanism 226 and starts sucking, and the dilution water supply and dropping are performed in parallel. To be In this embodiment, by setting the capacity at the position (H) at which the siphon mechanism 226 starts sucking out to 1 liter, the preferred high-concentration detergent solution is dropped by the small powder detergent dissolution container 221.

  The cloth quality of the laundry is detected by opening the main water supply electromagnetic valve 232, supplying water to a predetermined water level while referring to the detection signal of the water level sensor 16, and then operating the washing / dehydrating drive motor 71 to drive the stirring blade 4 to rotate. Thus, the rotational load (packet load) acting on the stirring blade 4 is detected, and the control process is performed to detect (estimate) with reference to the pack load and the dry load.

  The washing water flow is set according to the detected cloth quality.

  Thereafter, the main water supply electromagnetic valve 232 is opened, a control process for supplying water to a predetermined wash water level is executed while referring to the detection signal of the water level sensor 16, and the wash water supply is terminated. Incidentally, the water supply flow rate of the main water supply electromagnetic valve 232 is set to 18 to 20 liters / minute.

  Washing and stirring is performed by executing a process of controlling the washing and dehydrating drive motor 71 and the clutch mechanism 72 so that the washing and dewatering tank 2 is stationary and the set washing water flow (reciprocating rotation time limit of the stirring blade 4) is obtained.

  Washing drainage is performed by controlling the drainage electromagnetic valve 27 to open.

  In the dehydration, the washing / dehydrating drive motor 71 and the clutch mechanism 72 are configured so as to perform centrifugal dehydration by continuously rotating the washing / dehydrating tank 2 and the stirring blade 4 in one direction integrally with the drain electromagnetic valve 27 opened. This is done by executing a process for controlling.

  The rinsing water supply is performed by closing the drainage electromagnetic valve 27, opening the main water supply electromagnetic valve 232, and executing a control process for supplying water to a predetermined washing water level while referring to the detection signal of the water level sensor 16.

  Rinse stirring is performed in the same manner as washing stirring.

  Rinsing drainage is performed in the same manner as washing drainage.

  FIG. 6 is a time chart showing a washing and dehydrating process executed by the electric washing machine in this embodiment, and FIG. 7 is a flowchart of a specific control process executed by the microcomputer 171 in the water supply (1).

  First, the amount of laundry is detected to detect the amount of laundry, the amount of washing water and the amount of powder detergent are set, and the amount of powder detergent to be input is displayed by the display element group 152.

  In the water supply (1), as shown in FIG. 7, the production of an ultra-high-concentration detergent liquid, the wetness of the laundry, the dripping of the high-concentration detergent liquid, the sinking of the high-concentration detergent liquid, and the water supply of the washing water I do.

  In the generation of the ultra-high concentration detergent solution, first, in steps 22001 to 2003, the auxiliary water supply electromagnetic valve 231 is opened for about 10 seconds to supply the powder detergent dissolving water to the powder detergent dissolving container 221. Next, in steps 22004 to 22006, the detergent detergent driving motor 224 is operated so as to rotate the detergent stirring member 223 at 2000 to 3000 rpm and the powder detergent and the powder detergent dissolving water are stirred to dissolve the powder detergent. A highly concentrated detergent solution is produced. The operation time at this time is 30 to 60 seconds.

  In the wetness of the laundry, in steps 22007 to 22011, the main water supply electromagnetic valve 232 is opened, and the laundry dewatering drive motor and the clutch mechanism are controlled so as to rotate the washing and dewatering tub 2 slowly at 5 to 15 rpm, Water is supplied into the washing and dewatering tub 2 (outer tub 5). This wetting is to achieve uniform soaking of the high-concentration detergent liquid described later in the laundry. The amount of water supply at this time is approximately 1 liter / 1 kg (amount of laundry), and is realized by water supply operation time control. For example, when the amount of laundry is 5 kg, water is supplied for approximately 17 seconds, and when it is 8 kg, water is supplied for approximately 25 seconds. In steps 22012 to 22014, the washing and dewatering tank 2 and the stirring blade 4 are rotated at high speed to dehydrate. At this time, the rotation speed of the washing / dehydrating tub 2 and the stirring blade 4 is set to 800 to 900 rpm, and the dehydration operation is performed for approximately 3 minutes so that the dehydration rate is approximately 50%.

  When the high-concentration detergent liquid is dropped, in steps 22015 to 2219, the auxiliary water supply electromagnetic valve 231 is opened to start supplying dilution water to the powder detergent dissolution container 221, and the detergent stirring member 223 is rotated at 500 to 1000 rpm. As described above, the detergent dissolution driving electric motor 224 is operated to dilute the ultra-high-concentration detergent liquid and produce a high-concentration detergent liquid having a preferable detergent concentration for falling on the laundry. The diluted water supply amount is controlled by time control. When the liquid level in the powder detergent dissolution container 221 reaches the suction start position of the siphon mechanism 226, the siphon mechanism 226 sucks out the high-concentration detergent liquid in the powder detergent dissolution container 221 and drops it onto the laundry. When the diluted water supply amount reaches a predetermined value, the detergent dissolution drive motor 224 is stopped and the auxiliary water supply electromagnetic valve 231 is closed. The siphon mechanism 226 sucks and drops the high-concentration detergent liquid until the high-concentration detergent liquid in the powder detergent dissolution container 221 is substantially exhausted.

  In the soaking of the high-concentration detergent solution, in steps 22020 and 22021, the laundry on which the high-concentration detergent solution is applied is left for about 2 to 5 minutes. This leaving is for immersing the high-concentration detergent solution evenly in the laundry so that the chemical cleaning force is effectively applied to the dirt.

  In the water supply of the washing water, in steps 22022 and 22023, the main water supply electromagnetic valve 232 is opened, and the water is supplied so as to have a predetermined washing water amount corresponding to the amount of laundry. This water supply control is performed by monitoring the water level signal output from the water level sensor 16 and opening the main water supply electromagnetic valve 232 until the water level reaches a predetermined level. Also during this water supply, the auxiliary water supply electromagnetic valve 231 is opened to supply water to the powder detergent dissolution container 221 as cleaning water, and the detergent agitating member 223 is rotated to clean the inside of the container. It is recommended to supply water as washing water through H.226.

  Next, in the washing and agitation, the washing and dewatering drive motor 71 and the clutch mechanism 72 are controlled so that the washing and dewatering tub 2 is in a stationary state and the agitation blade 4 is reciprocally rotated at a predetermined time according to the quality of the laundry. Perform wash operation. This washing operation time is controlled according to the amount of laundry.

  Drainage (1) is performed by opening the drainage electromagnetic valve 27.

  In the dehydration (1), the washing / dehydrating drive motor 71 and the clutch mechanism 72 are controlled so that the washing / dehydrating tub 2 and the stirring blade 4 are rotated in the position direction at a high speed to centrifugally dehydrate the washing water contained in the laundry. To do. This dehydration operation starts when the water level signal output from the water level sensor 16 is monitored and the washing water amount falls below a predetermined water level, and ends when a predetermined time has elapsed.

  Water supply (2) is performed by closing the drain electromagnetic valve 27 and opening the main water supply electromagnetic valve 232. This water supply control is performed by monitoring the water level signal output from the water level sensor 16 and supplying water up to a predetermined amount of rinsing water (water level).

  Rinse stirring (1) is performed in the same manner as washing stirring.

  Drainage (2) is performed in the same manner as drainage (1).

  Dehydration (2) is performed in the same manner as dehydration (1).

  Water supply (3) is performed in the same manner as water supply (2).

  The rinsing stirring (2) is performed in the same manner as the rinsing stirring (1).

  Drainage (3) is performed in the same manner as drainage (1) and (2).

  Final dehydration is performed in the same manner as dehydration (1) and (2). However, the dehydration operation time is approximately 5 minutes in order to increase the dehydration rate.

  According to such an embodiment, the high-concentration detergent liquid production and supply device 22 is a bar-shaped detergent stirring member 223 that is disposed horizontally at the bottom of the deep lower space 221a with the wide and narrow depth of the powder detergent dissolution container 221. Since the powder detergent is dissolved in the powder detergent dissolving water in the lower space 221a by rotating at a high speed, an ultra-high concentration detergent solution can be efficiently generated without overflowing or diffusing. Then, since the dilution water is supplied to the upper space 221b so that the ultra-high-concentration detergent solution is diluted and dropped on the laundry, the high-concentration detergent solution with an appropriate detergent concentration is dropped on the laundry. Can be submerged.

  Next, a modified example of the high concentration detergent liquid production and supply device 22 will be described.

  FIG. 8 and FIG. 9 show a modified example of the configuration in which the detergent dissolution driving electric motor 224 is attached to the outer side surface of the bottom of the powder detergent dissolution container 221 and the rotation shaft 223a of the detergent stirring member 223 is directly driven. 8 is an external perspective view, and FIG. 9 is a longitudinal sectional front view showing a mounting structure of the detergent dissolution driving motor 224 with respect to the powder detergent dissolution container 221.

  An opening 221c having a size (φD) into which the detergent stirring member 223 can be inserted from the outside is formed in the bottom side wall of the powder detergent dissolution container 221. The detergent dissolution driving motor 224 has a stator core 224d around which a stator winding 224c is wound fitted on the outer periphery of a cup-shaped water-sealed case 224b provided with a flange 224a at the open end, and the water-sealed case 224b A bearing plate in which a resin-made surface bearing 224f is accommodated in an annular bearing housing portion 224e projecting from the center of the bottom wall and installed so as to have a self-aligning function inside the opening of the water seal case 224b. A resin-made surface bearing 224i is accommodated in a bearing housing portion 224h formed on 224g to rotatably support the outer end portion of the rotating shaft 223a of the detergent stirring member 223, and is positioned between the surface bearings 224f and 224i. Then, the rotor 224j is fitted to the rotating shaft 223a so as to face the inner side of the stator core 224d. The rotor 224j is provided with a ferrite magnet 224k for forming a magnetic pole and a yoke 224m for forming a magnetic path on the outer periphery, and a thrust washer 224n made of stainless steel is provided with both end surfaces recessed in the axial direction at the center. The flange 224a of the water sealing case 224b is in contact with the outer surface of the bottom side wall of the powder detergent dissolving container 221 with the water sealing ring 224p interposed therebetween, and is fixed to the side wall of the powder detergent dissolving container 221 with a set screw 224q. A canned motor structure is adopted. The outer cover 224r is attached by being fastened together with the set screw 224q so as to cover and protect the outer periphery of the stator winding 224c, the stator core 224d, and the water seal case 224b.

  In this way, the high-concentration detergent liquid production and supply device 22 having the configuration in which the detergent dissolution driving electric motor 224 is attached to the bottom of the powder detergent dissolution container 221 can obtain the same effects as the above-described embodiment, and the detergent stirring member 223 and After the detergent dissolution drive motor 224 is combined and integrated, the detergent stirring member 223 is inserted into the powder detergent dissolution container 221 through the opening 221c of the powder detergent dissolution container 221, and the tip of the rotary shaft 223a is opposite to the powder detergent dissolution container 221. Since it can be attached so as to be fitted into a bearing (not shown) provided on the side, assembly work is facilitated.

  FIG. 10 is a longitudinal front view of the portion of the high-concentration detergent liquid production and supply device 22 that has been modified so that the detergent stirring member 223 in the modified example shown in FIGS. 8 and 9 is detachable.

  In this modification, the detergent stirring member 223 is detachably coupled with the rotating shafts of the detergent dissolution driving electric motor 224 and the detergent stirring member 223 as separate members. The detergent dissolution drive motor 224 is configured by fitting a rotor 224j to a unique rotation shaft 224s. The inner end portion of the rotating shaft 224s protrudes into the powder detergent dissolution container 221, and the tip portion thereof is a coupling angular shaft portion 224t.

  The detergent stirring member 223 that is coupled to the rotating shaft 224s of the detergent driving motor 224 and rotates in the powder detergent dissolving container 221 forms a coupling square hole 223d on the end surface of the rotating shaft 223a on the side to be coupled with the rotating shaft 224s. A tension coil spring 223e is installed in the back of the coupling square hole 223d. The detergent stirring member 223 configured in this manner compresses the tension coil spring 223e by fitting the coupling angular shaft portion 224t of the rotational shaft 224 into the coupling angular hole 223d of the rotational shaft 223a, and compresses the other end of the powder detergent dissolution container 221. By being fitted into a bearing portion 221d formed on the inner wall surface, it is placed horizontally in the powder detergent dissolution container 221.

  The high-concentration detergent liquid production and supply device 22 configured as described above can obtain the same effects as those of the above-described embodiment and the effect that the detergent stirring member 223 can be easily detached and cleaned.

  FIG. 11 is a front view showing a modified example of the detergent stirring member 223. (A) is a detergent stirring member 223 that is dispersed in the axial direction along the outer peripheral surface of the rotating shaft 223a, and has a plurality of stirring blades 223b projecting at intervals of 90 degrees in the rotating direction. The detergent stirring member 223, which is dispersed in the axial direction along the outer peripheral surface of the rotating shaft 223a and is provided with a plurality of stirring blades 223b protruding at an interval of 60 degrees in the rotating direction, (c) is an outer periphery of the rotating shaft 223a. The detergent stirring member 223, (d) having a plurality of stirring brushes 223f that are dispersed in the axial direction along the surface and shifted at intervals of 90 degrees in the rotation direction, is arranged along the outer peripheral surface of the rotating shaft 223a. This is a detergent stirring member 223 provided with a spiral stirring blade 223 g extending in the direction.

  Next, a detergent dissolution driving motor 224 suitable for driving the detergent stirring member 223 to rotate (reciprocating angle) in the high concentration detergent liquid production and supply device 22 will be described.

  FIG. 12 is a longitudinal sectional side view (a) of the detergent dissolution drive motor 224 and a connection diagram (b) of the stator winding 224c. The stator core 224d of the detergent dissolution driving motor 224 has a three-pole structure, and the stator winding 224c has a three-phase star connection configuration. As shown in FIG. 13, the rotor 224j uses a ferrite magnet 224k having excellent water resistance and detergent resistance as a magnetic pole, and when a high magnetic flux density is required, the rare earth magnet 224k is resin-molded. A 2-pole to 8-pole structure sealed with water.

  FIG. 14 is a circuit diagram of a control system for driving the detergent stirring member 223 by continuously rotating the rotor 224j of the detergent dissolution driving electric motor 224 as described above.

  The stator winding 224c is connected to be fed through a three-phase inverter 224u built in the detergent dissolution driving motor 224. The three-phase inverter 224u is connected to an inverter driver 172a in the load driving device 172 in the control unit 17. It controls so that it may operate as a synchronous motor.

  In order to operate such a detergent dissolution drive motor 224 as a synchronous motor, at the time of start-up, the three-phase inverter 224u so that the rotating magnetic field generated by the stator winding 224c gradually increases the rotation speed and accelerates the rotor 224j. To stabilize at a predetermined rotational speed.

  The detergent dissolution drive motor 224 may be modified to include a rotational position sensor that detects the rotational position of the rotor 224j and to operate as a DC brushless motor by the three-phase inverter 224u.

  In a configuration in which a DC brushless motor is used as the washing / dehydrating drive motor 71, an inverter driver for the washing / dehydrating drive motor 71 is built in the load driving device 172, and this is used as a three-phase inverter 224u for the detergent dissolution driving motor 224. It can also be used for the control.

  FIG. 15 is a circuit diagram of a control system of a modified example in which the detergent stirring member 223 is driven by reciprocating (swinging) the rotor 224j of the detergent dissolution driving electric motor 224 at a predetermined angle.

  The stator winding 224c shares the U phase and is divided into the U-V phase and the U-W phase, and is connected so that power is supplied via the two switching elements 224v and 224w built in the detergent dissolution driving motor 224. The switching elements 224v and 224w are controlled so as to be alternately turned on by the driver 172c in the load driving device 172 in the control unit 17 so as to operate as a swing motor that reciprocally rotates the rotor 224j at a predetermined angle. Configure.

  This predetermined angle is determined by the number of magnetic poles of the rotor 224j. It is 60 degrees for the 2-pole structure, 30 degrees for the 4-pole structure, 20 degrees for the 6-pole structure, and 15 degrees for the 8-pole structure.

  Regardless of the configuration, this detergent dissolution drive motor 224 rotates (oscillates) the detergent stirring member 223 at an angular speed corresponding to 2000 to 3000 rpm when stirring the powder detergent to produce an ultra-high concentration detergent liquid. When the ultra-high-concentration detergent solution is diluted to produce a high-concentration detergent solution, it is desirable that the detergent stirring member 223 is rotated (oscillated) so as to rotate (oscillate) at an angular speed corresponding to 500 to 1000 rpm.

  FIG. 16 is an external perspective view of a drum type electric washing machine of a top open / close type (top open type).

  The drum electric washing machine of the top open / close type has a configuration in which an outer tub 41 containing a washing / dehydrating tub (not shown) is installed in the outer frame 42 in a horizontal position with the rotation axis oriented in the left-right direction. An outer garment insertion port 43a is provided at the center of the upper surface of the upper panel 43, and the outer garment insertion port 43a is covered with an outer lid 44 so as to be freely opened and closed. The operation panel 45 is installed in the side edge region on the left side of the outer garment insertion port 43a on the upper surface. Since the specific configuration of the drum type electric washing machine is a conventionally known configuration, further detailed description is omitted.

  In such a drum type electric washing machine, the high-concentration detergent liquid production and supply device 22 has the powder detergent dissolving container 221 and the opening so as to open in the side region on the right side of the outer clothing input port 43a on the upper surface of the upper panel 43. A detergent charging lid 222 that opens and closes is provided. Since the specific configuration and function (operation) of the high-concentration detergent liquid production and supply device 22 are configured in the same manner as the high-concentration detergent liquid production and supply device 22 in the first embodiment, a duplicate description is omitted.

  Further, the high-concentration detergent liquid production and supply device 22 opens and closes the powder detergent dissolution container 221 and the opening so as to open in the side edge region on the front side of the outer clothing input port 43a on the upper surface of the upper panel 43, as indicated by a broken line. It is also possible to modify the configuration in which the detergent charging lid 222 is provided.

  FIG. 17 is an external perspective view of a drum type electric washing machine of a front opening / closing type (front opening type).

  This top-opening / closing drum-type electric washing machine has a configuration in which an outer tub 51 containing a washing and dewatering tub (not shown) is installed in an outer frame 52 in a horizontal position with its rotational axis in the front-rear direction. An outer garment insertion port 52a is provided at the center of the front side surface of the outer frame 52. The outer garment insertion port 52a is covered with an outer lid 53 so as to be freely opened and closed. The operation panel 55 is installed on the front side surface of 54. Since the specific configuration of the drum type electric washing machine is a conventionally known configuration, further detailed description is omitted.

  In such a drum type electric washing machine, the high-concentration detergent liquid production and supply device 22 has a powder detergent dissolution container 221 and a detergent charging lid that opens and closes the opening so as to open in the left side region on the upper surface of the upper panel 54. 222 is provided. Since the specific configuration and function (operation) of the high-concentration detergent liquid production and supply device 22 are configured in the same manner as the high-concentration detergent liquid production and supply device 22 in the first embodiment, a duplicate description is omitted.

  The high-concentration detergent liquid production and supply device 22 can be modified to include a powder detergent dissolution container 221 and a detergent charging lid 222 that opens and closes the opening so as to open in the right side edge region on the upper surface of the upper panel 54. .

In each of the above-described embodiments, powder detergent dissolved water is supplied into a powder detergent dissolution container charged with powder detergent and stirred with a detergent stirring member to dissolve the powder detergent to produce an ultra-high concentration detergent liquid. An electric washing machine provided with a high concentration detergent liquid production and supply device configured to dilute the ultra high concentration detergent liquid by supplying dilution water to the powder detergent dissolution container and drop it on the laundry in the washing and dewatering tub There are
The high-concentration detergent liquid production and supply device supplies the high-concentration detergent liquid produced in the powder detergent dissolution container into the washing and dehydration tank without diluting it, or dilutes it by another means into the laundry right dehydration tank. It is also possible to modify to supply.

It is a vertical side view of the electric washing machine of Example 1 of this invention. It is an external appearance perspective view of the electric washing machine shown in FIG. It is a vertical side view of the part of the high concentration detergent liquid production | generation supply apparatus in the electric washing machine shown in FIG. It is a perspective view of the high concentration detergent liquid production | generation supply apparatus shown in FIG. It is a block diagram of the control system in the electric washing machine shown in FIG. It is a time chart of the washing | cleaning and dehydration process which the electric washing machine shown in FIG. 1 performs. It is a flowchart of the concrete control processing which the microcomputer in the control system of the electric washing machine shown in FIG. 5 performs. It is an external appearance perspective view which shows the modification of a high concentration detergent liquid production | generation supply apparatus. It is a vertical front view which shows the attachment structure of the detergent melt | dissolution drive electric motor with respect to the powder detergent melt | dissolution container shown in FIG. FIG. 10 is a longitudinal front view of the portion of the high-concentration detergent liquid production and supply device that has been modified so that the detergent stirring member in the modified example shown in FIGS. 8 and 9 is detachable. It is a front view which shows the modification of a detergent stirring member. It is a vertical side view (a) of a detergent dissolution drive motor and a connection diagram (b) of a stator winding. It is a magnetic pole arrangement | sequence figure of the rotor in a detergent melt | dissolution drive electric motor. It is a circuit diagram of the control system for driving the detergent stirring member by continuously rotating the rotor of the detergent dissolution drive motor. It is a circuit diagram of the control system of the Example which drives the detergent stirring member by reciprocatingly rotating (swinging) the rotor of the detergent dissolution drive motor at a predetermined angle. It is an external appearance perspective view of the drum type electric washing machine of Example 2 of this invention. It is an external appearance perspective view of the drum type electric washing machine of Example 3 of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Outer frame, 2 ... Washing and dewatering tank, 4 ... Stirring blade, 5 ... Outer tank, 7 ... Washing and dehydration drive device, 15 ... Operation panel, 17 ... Control unit, 171 ... Microcomputer, 18 ... Back panel, 21 ... water injection port, 22 ... high concentration detergent liquid production and supply device, 221 ... powder detergent dissolving container, 221a ... lower space, 221b ... upper space, 223 ... detergent stirring member, 223a ... rotating shaft, 223b ... stirring blade, 224 ... detergent Melting drive motor, 226... Siphon mechanism, 231... Auxiliary water supply solenoid valve.

Claims (11)

The powder detergent dissolving water is supplied into the powder detergent dissolving container in which the powder detergent is charged, and the detergent is stirred to dissolve the powder detergent to produce a high concentration detergent solution, which is then supplied to the washing and dewatering tank. In an electric washing machine equipped with a high concentration detergent liquid production and supply device,
The high-concentration detergent liquid production and supply device is
The detergent stirring member is installed in a powder detergent dissolution container so that the axial dimension of the rotating shaft is constituted by a rotating body larger than the dimension in the direction crossing the rotating shaft, and the axial direction is substantially horizontal.
The powder detergent dissolution container has an opening in the upper part, accommodates the detergent agitation member at the bottom, and a horizontal dimension inside the container in a direction crossing the rotating shaft is relative to a part accommodating the detergent agitation member. The electric washing machine is characterized in that the portion in which the opening is formed is a larger container. The powder detergent is added to the powder detergent dissolution container filled with the powder detergent, and the detergent is stirred by the detergent stirring member to dissolve the powder detergent to produce an ultra-high concentration detergent solution, which is diluted in the powder detergent dissolution container. In the electric washing machine provided with a high concentration detergent liquid production and supply device for diluting the ultra high concentration detergent liquid by supplying water and falling on the laundry in the washing and dehydrating tub,
The high-concentration detergent liquid production and supply device is
The powder detergent dissolution container includes a wide, narrow and deep lower space, and an extended upper space that expands and widens the depth.
The detergent stirring member is configured in a rod-like form and installed horizontally at the bottom of the lower space in the powder detergent dissolution container,
An electric laundry characterized in that an ultra-high-concentration detergent liquid is generated by rotating the detergent stirring member in a state in which powder detergent-dissolved water is supplied so as to remain in the lower space of the powder detergent dissolution container. Machine. The powder detergent is added to the powder detergent dissolution container filled with the powder detergent, and the detergent is stirred by the detergent stirring member to dissolve the powder detergent to produce an ultra-high concentration detergent solution, which is diluted in the powder detergent dissolution container. A high-concentration detergent that supplies water and dilutes the ultra-high-concentration detergent liquid to raise the liquid level so that it is sucked out by a siphon mechanism and descends on the laundry in the washing and dewatering tub and penetrates into the laundry In an electric washing machine equipped with a liquid production and supply device,
The high-concentration detergent liquid production and supply device is
The powder detergent dissolution container includes a wide, narrow and deep lower space, and an extended upper space that expands and widens the depth.
The detergent stirring member is configured in a rod-like form and installed horizontally at the bottom of the lower space in the powder detergent dissolution container,
The siphon mechanism is configured to suck out a high-concentration detergent liquid that has been diluted and whose liquid level has risen to the upper space,
Electricity characterized in that an ultra-high concentration detergent liquid is generated by rotating the detergent stirring member at a high speed in a state in which powder detergent dissolving water is supplied so as to remain in the lower space of the powder detergent dissolving container. Washing machine.   4. The electric washing machine according to claim 2, wherein a bottom surface of the lower space is curved in a semicircular shape concentric with a rotation center of the detergent stirring member.   5. The electric washing machine according to claim 1, wherein the powder detergent dissolution container is provided so as to open on an upper surface of the electric washing machine.   6. The electric washing machine according to claim 5, wherein the powder detergent dissolution container is provided so as to open on a back panel.   7. The electric washing machine according to claim 6, wherein the powder detergent dissolution container is integrally formed with a back panel.   The electric washing machine according to claim 1, wherein a detergent dissolution driving electric motor that rotationally drives the detergent stirring member is attached to an outer side surface of the powder detergent dissolution container.   9. The electric washing machine according to claim 1, wherein the lower space of the powder detergent dissolving container has a volume capable of accommodating 300 to 600 ml of powder detergent dissolving water.   9. The detergent-dissolving driving electric motor according to claim 8, wherein the detergent-dissolving driving electric motor has a canned motor structure in which the detergent stirring member is provided at an extended portion of a rotating shaft, and the detergent stirring member is attached to an outer side surface of the powder detergent-dissolving container. An electric washing machine characterized by its advancement inside. 11. The electric washing machine according to claim 10, wherein the detergent dissolving driving electric motor is configured such that the detergent stirring member is detachably coupled to an extended portion of a rotating shaft.

Images