WO2013035278A1 - Machine à laver du type à tambour - Google Patents

Machine à laver du type à tambour Download PDF

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Publication number
WO2013035278A1
WO2013035278A1 PCT/JP2012/005478 JP2012005478W WO2013035278A1 WO 2013035278 A1 WO2013035278 A1 WO 2013035278A1 JP 2012005478 W JP2012005478 W JP 2012005478W WO 2013035278 A1 WO2013035278 A1 WO 2013035278A1
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WIPO (PCT)
Prior art keywords
water
tank
laundry
nozzle
pump
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Application number
PCT/JP2012/005478
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English (en)
Japanese (ja)
Inventor
堀部　泰之
中井　厚仁
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パナソニック株式会社
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Filing date
Publication date
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Publication of WO2013035278A1 publication Critical patent/WO2013035278A1/fr

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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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements

Definitions

  • the present invention relates to a drum-type washing machine for washing clothes and the like.
  • a conventional drum-type washing machine uses less water than a vertical washing machine, and part of the laundry in the water tank is not immersed in the washing water, so the washing water in the water tank is circulated by the pump into the rotating tank It spouts into the laundry (see, for example, Patent Document 1).
  • the drum type washing machine of patent document 1 spouts circulating water from the jet nozzle which changes an angle little by little from the front side of a rotation tank to the center side of a rotation tank, and is formed in multiple numbers.
  • the spout is provided above the front side of the rotary tank and spouts the circulating water downward. For this reason, even if the circulating water is ejected from the plurality of jet outlets by changing the angle little by little in the depth direction of the rotating tank, the circulating water is evenly applied to the laundry present at various positions in the rotating tank. I had the problem that I could not do it.
  • circulation water can be poured evenly in the rotation tank, if a large amount of laundry is accommodated in the rotation tank, the circulation water is supplied only to the laundry on the surface near the spout, It is difficult for circulating water to reach the laundry located inside the mass of laundry. Therefore, the conventional drum-type washing machine has a problem that a sufficient rinsing effect can not be obtained.
  • the drum type washing machine comprises a water tank for storing washing water, a rotary tank rotatably disposed in the water tank and provided with an opening on the front side, a motor for driving the rotary tank, and rinse water in the water tank. And a pump for feeding rinse water in the water tank to the circulating channel, and a nozzle channel communicating with the circulating channel and provided in a substantially circular shape outside the peripheral portion of the opening of the rotating tank. And a plurality of nozzles provided in the nozzle channel so as to spout the rinse water supplied by the pump toward the inside of the rotary tank, and a control unit which drives the motor and the pump to execute the rinsing step. .
  • the rinsing step comprises a high speed rotating step in which the laundry in the rotating tub is rotated at such a speed that it adheres to the inner peripheral wall of the rotating tub.
  • the control unit drives the pump to supply rinse water to the laundry stuck on the inner peripheral wall of the rotating tank in the high speed rotation process.
  • the rinse water supplied into the water tank by the pump continues to be supplied not only to a part of the laundry in the vicinity of the spout but also to the entire laundry stuck to the inner peripheral wall in the rotating tank. be able to.
  • the rinse efficiency can be enhanced.
  • FIG. 1 is a cross-sectional view showing a schematic structure of a drum-type washing machine according to Embodiment 1 of the present invention.
  • FIG. 2 is a cross-sectional view of an essential part of the drum-type washing machine according to the first embodiment of the present invention.
  • FIG. 3 is a view on arrow 3-3 of FIG. 1 of the drum type washing machine according to the first embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of the nozzle of the drum-type washing machine in the first embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of a conventional nozzle.
  • FIG. 6A is a schematic view showing the condition of the laundry in the rotary tub of the drum-type washing machine according to the first embodiment of the present invention.
  • FIG. 6A is a schematic view showing the condition of the laundry in the rotary tub of the drum-type washing machine according to the first embodiment of the present invention.
  • FIG. 6B is a schematic view showing the condition of the laundry in the rotary tub of the drum-type washing machine in the first embodiment of the present invention.
  • FIG. 7 is a schematic diagram which shows the condition of the laundry in the case of injecting circulating water from one nozzle.
  • FIG. 8 is a schematic view showing the condition of the laundry in the case where the circulating water is sprayed from the plurality of nozzles of the drum-type washing machine in the first embodiment of the present invention.
  • FIG. 9A is a time chart showing the operation of the washing process of the drum-type washing machine in the first embodiment of the present invention.
  • FIG. 9B is a time chart showing the operation of the washing process of the drum-type washing machine in the first embodiment of the present invention.
  • FIG. 10A is a time chart showing the operation of the washing process of the drum-type washing machine according to the second embodiment of the present invention.
  • FIG. 10B is a time chart showing the operation of the washing process of the drum-type washing machine in the second embodiment of the present
  • FIG. 1 is a cross-sectional view showing a schematic structure of a drum-type washing machine according to a first embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of an essential part of the drum-type washing machine according to the first embodiment of the present invention.
  • FIG. 3 is a view on arrow 3-3 of FIG. 1 of the drum type washing machine in the first embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of the nozzle of the drum-type washing machine in the first embodiment of the present invention.
  • a water tank 2 formed in a bottomed cylindrical shape is elastically supported in a housing 1.
  • a rotary tank 4 formed in a cylindrical shape with a bottom is rotatably disposed in the water tank 2.
  • the rotation axis 10 of the rotation tank 4 substantially coincides with the cylindrical center line of the rotation tank 4, which also substantially coincides with the cylinder center line of the water tank 2.
  • the water tank 2 and the rotary tank 4 are provided with openings 5 and 6 on the front side respectively.
  • the rotation axis 10 of the rotation tank 4 is supported by being inclined forward (for example, 10 to 20 degrees) from the horizontal direction.
  • the rotation axis 10 may be horizontal.
  • a door 7 that can be opened and closed is provided on the front surface of the housing 1 so as to face the opening 5 of the water tank 2 and the opening 6 of the rotating tank 4.
  • the user can put the laundry into and out of the rotary tub 4 by opening the door 7.
  • a flexible bellows 8, for example, formed of an elastic material such as rubber is disposed around the opening 5 of the water tank 2.
  • a motor 9 for driving the rotation tank 4 is attached.
  • the rotor of the motor 9 is connected to the rotation tank 4 at the rotation axis 10 of the rotation tank 4, and the rotation of the motor 9 is transmitted to the rotation tank 4 by the rotation axis 10.
  • a plurality of protrusions 12 are provided on the peripheral wall of the rotation tank 4 so as to protrude toward the rotation axis 10. The rotation of the rotation tank 4 causes the laundry to be caught by the protrusions 12 and lifted upward, thereby performing an agitation operation of dropping the laundry from a certain height.
  • a plurality of small holes 13 are provided in the peripheral wall of the rotation tank 4 over the entire circumference, and when the washing water in the water tank 2 is accumulated at a predetermined water level, the washing water enters the rotation tank 4 from the small holes 13 Is configured as.
  • the washing water includes the detergent component in the washing step.
  • a detergent container 14 for containing a detergent is provided above the water tank 2, a detergent container 14 for containing a detergent is provided.
  • the detergent container 14 is connected to a water supply valve 15 connected to a water tap. Supplying and stopping of the tap water to the detergent container 14 is performed by opening and closing the water supply valve 15. Further, a water supply path 16 for guiding the water introduced into the detergent container 14 together with the detergent into the water tank 2 is provided below the detergent container 14.
  • a drainage port 17 for discharging the washing water in the water tank 2 is provided, and a drainage path 18 for leading the washing water discharged from the drainage port 17 to the outside of the housing 1 is provided.
  • a drain valve 19 is provided in the middle of the drain passage 18 for opening and closing the drain passage 18.
  • a circulating water passage 20 is connected to the drainage port 17 so that the washing water discharged from the water tank 2 passes through the rotation tank 4 and is led back into the water tank 2 and is branched on the way from the drainage path 18 .
  • the circulating water channel 20 is disposed substantially horizontally below the water tank 2 from the lower rear of the water tank 2 toward the front.
  • a pump 21 is provided in the middle of the circulating water passage 20. The pump 21 draws the wash water in the water tank 2 into the circulation water passage 20 from the drainage port 17, pressurizes the wash water flowing into the circulation water passage 20, waters it to the rotary tank 4, and circulates it to the water tank 2 through the circulation water passage 20. be able to.
  • a nozzle water channel 22 is provided on the outer peripheral side of a circular opening 5 provided in the water tank 2 as viewed from the opening 6 side of the rotation tank 4.
  • the nozzle water passage 22 communicates with the circulation water passage 20 and is provided in a substantially circular shape on the outer side of the peripheral portion 23 of the opening 6 provided in the rotary tank 4 in a circular shape.
  • the opening 5 provided in the water tank 2, the opening 6 provided in the rotary tank 4, and the nozzle channel 22 are formed substantially concentrically.
  • the inner peripheral edge 24 of the nozzle channel 22 is located radially outward of the peripheral edge 23 of the opening 6.
  • the wash water in the water tank 2 supplied by the pump 21 is led from the inlet 25 provided in the nozzle channel 22 through the circulation channel 20 into the nozzle channel 22, and at least three or more provided in the nozzle channel 22. It leads to a plurality of nozzles 26 (26a to 26g) (the example of FIG. 3 is seven).
  • the nozzle 26 is provided so as to eject wash water from the nozzle water channel 22 toward the rotation axis 10 side of the rotation tank 4.
  • a space 27 is provided between the nozzle 26 and the peripheral portion 23 of the opening 6.
  • the space portion 27 is provided with a reflection portion 28 for reflecting the cleaning water spouted from the nozzle 26 to the space portion 27 toward the opening 6.
  • the reflection unit 28 is configured to guide the washing water jetted into the space 27 to the opening 6 and to be introduced into the rotation tank 4.
  • the plurality of nozzles 26 (26a to 26g) are formed at positions away from the peripheral portion 23 of the opening 6 of the rotary tank 4. As a result, it is possible to apply the diffused washing water to the laundry in the rotary tank 4 without exposing the nozzle 26 to the opening 6 of the rotary tank 4. As a result, when the laundry is put into the rotary tub 4 or taken out, it is not caught by the opening 6 and the laundry is not damaged, and the laundry can be easily put in and out, and the usability can be improved.
  • the collision surface 28 a is configured such that the jet flow from the nozzle 26 is guided from the opening 6 of the rotation tank 4 into the rotation tank 4 while being diffused. Therefore, even if the nozzle 26 is formed at a position separated from the peripheral edge 23 of the opening 6 of the rotation tank 4, the jet flow from the nozzle 26 is guided into the rotation tank 4 without receiving unnecessary wall resistance. .
  • Such a configuration makes it possible to minimize the decrease in the flow rate of the washing water, and it is possible to supply the washing water to the laundry in the rotary tank 4 vigorously.
  • the nozzle 26 has a round hole shape because it is not necessary to have a flat shape in order to be along the water guiding wall surface.
  • the round hole shape is the shape having the smallest pressure loss if it has the same cross-sectional area.
  • the reflective portion 28 is annularly disposed around the opening 5 so as to face the front surface portion of the rotary tank 4.
  • the collision surface 28 a against which the cleaning water ejected from the nozzle 26 collides is an inclined surface which is inclined with respect to the jet direction from the nozzle 26.
  • the jet from the nozzle 26 can be stably landed on the collision surface 28 a without being scattered in the collision surface 28 a in multiple directions, and can be diffused while flowing along the inclined surface. For this reason, washing water can be supplied to the laundry in the rotary tank 4 in a stable diffusion state.
  • the jet can be more stably landed on the collision surface 28a and diffused.
  • the reflecting portion 28 is constituted only by the collision surface 28a, if the inclination angle of the collision surface 28a with respect to the jet flow direction from the nozzle 26 is gentle, the jet flow can be guided to the inner back direction of the rotation tank 4 Can not. For this reason, washing water is supplied only to the front clothes in the rotating tank 4.
  • a guide portion 28 b for guiding the jet stream in the inner back direction of the rotary tub 4 is provided on the inner peripheral edge of the reflecting portion 28.
  • the collision surface 28 a is inclined more gently than the guide portion 28 b with respect to the direction of the jet flow from the nozzle 26.
  • the reflecting portion 28 is configured such that the length for guiding the washing water in the guide portion 28b is shorter than the length for guiding the washing water on the collision surface 28a.
  • the distance of the jet contact with the collision surface 28a needs to be longer than the collision range of the jet. is there.
  • the function of the guide part 28b only changes the direction of the jet flow. For this reason, the distance where the jet stream contacts the guide portion 28b may be shorter than the distance where the jet stream contacts the collision surface 28a. Thereby, it is possible to minimize the decrease in the flow velocity of the jet in the guide portion 28b, to supply the washing water to the laundry in the rotary tank 4 more vigorously, and to improve the washing performance and the rinsing performance. be able to.
  • the washing water supplied by the pump 21 is jetted from the plurality of nozzles 26a to 26g provided in the nozzle water channel 22 as rod-like jets toward the rotation axis 10.
  • the washing water spouted into the space 27 collides with the collision surface 28 a of the reflection part 28 and is reflected toward the opening 6 of the rotation tank 4 and diffused in the rotation direction of the rotation tank 4 and by the guide 28 b
  • the gas is jetted from the vicinity of the peripheral portion 23 of the opening 6 toward the inside of the rotary tank 4.
  • a plurality of nozzles 26 are provided in a nozzle water passage 22 provided in a substantially circular shape on the outside of the peripheral portion 23 of the opening 6, and the jet direction of the washing water in all the nozzles 26 a to 26 g is the rotation axis of the rotation tank 4 When viewed from the opening surface side of the rotary tank 4 from the direction toward 10, displacement is performed in the same direction at a predetermined displacement angle (displacement angle) ⁇ 1.
  • the displacement angle (displacement angle) in the jetting direction of the washing water is too large, a portion where the washing water does not pass may occur in the vicinity of the rotation axis 10.
  • the displacement angle (shift angle) .theta It is preferable to set to about half (for example, 5 to 15 degrees) of the spread angle ⁇ 2 (for example, 10 to 30 degrees) of the washing water diffused in the rotational direction of the rotation tank 4.
  • the nozzle water channel 22 is provided with a bulging portion 29 in which a part of the nozzle water channel 22 is inflated toward the rotation axis 10 of the rotary tank 4.
  • the nozzle 26 is configured by providing a circular nozzle hole 31 in the flat portion 30 of the bulging portion 29.
  • the length L of the nozzle hole 31 is equal to or less than the diameter d of the nozzle hole 31.
  • the flat portion 30 is orthogonal to the ejection direction of the cleaning water ejected from the nozzle hole 31 and inclined at the same angle as the displacement angle (shifting angle) ⁇ 1 from the direction toward the rotation axis 10 in the ejection direction of the cleaning water There is.
  • the nozzles 26 (26a to 26g) are hardly affected by the main flow of washing water . Therefore, the disturbance of the jet flow ejected from the nozzles 26 (26a to 26g) can be suppressed, and the direction of the flush water to be ejected can be stabilized. Further, since the jet flow from the nozzles 26 (26a to 26g) can be contracted, the flow velocity of the jet can be increased, and the momentum of the jetted washing water can be strengthened.
  • FIG. 5 is a cross-sectional view of a conventional nozzle.
  • the nozzle 100 is formed so that the inner wall surface 103 of the nozzle water passage 102 gradually and smoothly becomes smaller toward the nozzle hole 101 in order to minimize pressure loss.
  • the flow of water in the nozzle water channel 102 is prevented from separating from the inner wall surface 103 immediately before the jet flow spouts from the nozzle hole 101 to prevent the turbulent flow, and the efficient nozzle 100 is configured.
  • the flow velocity of the jet flow from the nozzle hole 101 is determined by the cross-sectional area of the nozzle hole 101 if the flow rate of the jet flow is the same. In order to increase the flow velocity of the jet, it is necessary to increase the flow rate or reduce the cross-sectional area of the nozzle hole 101.
  • the nozzle water channel 22 is provided with a bulging portion 29 expanded toward the rotation axis 10 side of the rotary tank 4, and the nozzle hole 31 is surrounded by the nozzle hole 31 in the penetrating direction.
  • a substantially vertical flat portion 30 is provided.
  • the viscosity of the fluid causes the washing water to flow along the inner wall surface 22b.
  • the inner wall surface 22 b is suddenly bent about 90 degrees, so the flow of the washing water is separated from the peripheral wall of the nozzle holes 31.
  • the cross-sectional area C of the jet flow is smaller than the cross-sectional area D of the nozzle hole 31, that is, contracted.
  • the flow velocity of the jet can be made faster than a normal nozzle. You can strengthen the momentum of
  • the nozzle hole 31 has a circular shape in the EE cross section of FIG.
  • the jet flow is uniformly contracted, the disturbance of the jet flow from the nozzle hole 31 can be suppressed, and the washing water can be jetted in the set direction and applied to the laundry.
  • the nozzle holes 31 have no corners, it is difficult for lint and the like generated from the laundry to be caught in the nozzle holes 31, and it is possible to prevent hole clogging due to lint.
  • the nozzle hole 31 has a length L of the nozzle hole 31 equal to or less than the diameter d of the nozzle hole 31. If the nozzle hole 31 is too long in the jetting direction, the flow once separated from the peripheral wall of the nozzle hole 31 and contracted is gradually spread and jetted. As a result, since the effect of accelerating the flow velocity of the jet flow is lost, it is preferable that the length L of the nozzle hole 31 be approximately equal to or less than the diameter d of the nozzle hole. As a result, the flow velocity of the jet flow from the nozzle holes 31 can be reliably increased, and hence the momentum of the jetted cleaning water can be surely increased.
  • the nozzle water channel 22 is branched in two directions from the inflow port 25 and configured to extend toward the end 22 a. For this reason, since the path of water flowing in the nozzle water channel 22 is divided into two, even if the nozzle water channel 22 is annularly long so as to surround the opening 5, the flow path can be shortened. Therefore, the pressure loss in the path can be reduced. Therefore, sufficient pressure can be applied to each of the nozzles 26a to 26g, and the flow velocity of the jet jetted from the nozzles 26 can be secured. Thereby, washing water can be evenly applied to the laundry in the rotary tank 4.
  • the nozzle water channel 22 is the same as in the annularly formed configuration without the end 22a because it is branched from the inflow port 25 in two directions.
  • the direction in which the washing water flows from the inflow port 25 into the nozzle water channel 22 is configured to be in the direction of the rotation axis 10 (arrow F) of the rotation tank 4. Therefore, the flow of washing water in two directions can be smoothly branched, and sufficient pressure can be applied to each of the nozzles 26a to 26g. Thereby, the flow velocity of the jet flow ejected from the nozzle 26 can be secured.
  • a control unit that controls the motor 9, the water supply valve 15, the drain valve 19, the pump 21 and the like in the lower rear of the housing 1 and controls operations of washing, rinsing, and dewatering processes based on a set program. 32 are provided.
  • FIG. 6A and 6B are schematic views showing the condition of the laundry in the rotary tub of the drum-type washing machine according to the first embodiment of the present invention.
  • FIG. 7 is a schematic diagram which shows the condition of the laundry in the case of injecting circulating water from one nozzle.
  • FIG. 8 is a schematic view showing the state of the laundry in the case where the circulating water is sprayed from the plurality of nozzles of the drum-type washing machine in the first embodiment of the present invention.
  • 9A and 9B are time charts showing the operation of the washing process of the drum-type washing machine according to the first embodiment of the present invention.
  • the control unit 32 detects the amount of the loaded laundry. Thereafter, the water supply valve 15 is opened, the washing water dissolves the laundry detergent stored in the detergent container 14, and the washing water is supplied from the water supply path 16 into the water tank 2.
  • the water level of the washing water is set by the distance at which the laundry falls to the washing water so that the effect of tapping and washing can be obtained, and the washing water is stored to the lower side in the rotary tank 4.
  • the flush water stored in the water tank 2 is detected by a water level detector (not shown).
  • the control unit 32 stops the water supply and starts the washing.
  • the rotation tank 4 is driven to rotate in the forward and reverse directions by the motor 9, and the laundry stored in the rotation tank 4 is lifted in the rotation direction by the projections 12 provided on the cylindrical wall 11 of the rotation tank 4 and then dropped. ,
  • the laundry is washed by the action of tap washing.
  • the speed of the rotary tub 4 at this time is such that the laundry does not stick to the inner peripheral wall of the rotary tub 4 (low speed rotation step).
  • the control unit 32 starts a high-speed rotation process in which the laundry rotates at such a speed that the laundry sticks to the inner peripheral wall of the rotating tub 4.
  • the laundry is subjected to a centrifugal force because the laundry adheres to the inner peripheral wall of the rotation tank 4 at a speed.
  • centrifugal force washing is performed in a high speed rotation step in which dirt is peeled off from the laundry using this centrifugal force.
  • the control unit 32 When the high-speed rotation process is performed for a predetermined time, the control unit 32 performs the low-speed rotation process in which the laundry is rotated at such a speed that the laundry does not stick to the inner peripheral wall of the rotation tank 4 again. When the low speed rotation process is performed for a predetermined time, the washing process is completed.
  • the control unit 32 opens the drainage valve 19 to start drainage, and the intermediate dewatering process is started. After the balance control operation, when the dewatering operation is performed for a predetermined time, the control unit 32 stops the rotation of the rotation tank 4.
  • the control unit 32 opens the water supply valve 15 to start water supply.
  • the laundry in the rotary tub 4 is rotated at such a speed that it does not stick to the inner peripheral wall of the rotary tub 4. This is because, by rotating the rotary tank 4 at a speed of 45 r / min, for example, there is an action of tapping and rinsing.
  • the centrifugal rinse may be effective by rotating the laundry in the rotary tub 4 at such a speed that it sticks to the inner peripheral wall of the rotary tub 4. This is because, for example, the rotation tank 4 is rotated at 100 r / min and centrifugal force is applied to the laundry, whereby the rinse water moves from the inside to the outside of the rotation tank 4 together with the dirt and the detergent.
  • a high-speed rotation process is performed in which the laundry in the rotation tank 4 is rotated at such a speed that the laundry adheres to the inner circumferential wall of the rotation tank 4.
  • the rinse water travels through the fibers with the detergent component.
  • Such a so-called centrifugal rinse can effectively remove the detergent attached to the laundry located at the central portion of the rotary tank 4 described above. For this reason, the rinse performance can be improved.
  • the high-speed rotation step is not performed while the rinse water is uniformly supplied to the entire laundry in the rotary tank 4 with a plurality of nozzles, it is not possible to efficiently obtain the desired centrifugal rinse effect. That is, as shown in FIG. 7, when the rinse water is supplied to the laundry items A to G in the rotary tank 4 from the nozzle a at one place, the laundry items A to G are respectively rotated during one rotation of the rotary tank 4 Water absorption and dewatering of the rinse water, that is, removal of the detergent content is performed only once. Therefore, in order to obtain a desired rinse effect, it is necessary to carry out the high-speed rotation process for a long time, and the process time prolongation and the waste of power consumption can not be avoided.
  • the pump 21 is driven to pass through the circulating water channel 20, the nozzle water channel 22, the multiple nozzles 26, etc. It is always supplied constantly. Thereby, the above-mentioned subject can be avoided. That is, as shown in FIG. 8, when the rinse water is supplied to the laundry items A to G in the rotary tank 4 from a plurality of nozzles, for example, seven locations of the nozzles a to g, while the rotary tank 4 makes one rotation, Each of the laundry items A to G repeats the water absorption and dehydration of the rinse water seven times each. That is, since seven times the removal of the detergent component is performed in the same time as in the case where one nozzle 26 is provided, a sevenfold rinse effect can be obtained. As a result, even if the process time is 1/7, the same effect can be obtained, so that the process time can be shortened and the power consumption can be reduced.
  • the rinse process is finished, and the intermediate dewatering process is started.
  • the balance control is omitted and the transition to the intermediate dewatering step takes a short time Can.
  • the high-speed rotation process is performed without stirring by low-speed rotation, so that the laundry is transferred to the high-speed rotation process while adhering to the inner peripheral wall of the rotation tank 4
  • the imbalance of the laundry does not disturb the driving of the rotary tub 4. For this reason, the rinse time can be further shortened.
  • the above-described centrifugal force rinse may be performed by supplying water into the water tank 2 by the water supply valve 15 and driving the pump 21.
  • the control unit 32 opens the drain valve 19 to drain the rinse water in the water tank 2
  • the above-described series of operations may be repeated a plurality of times again.
  • the rinse effect can be further improved. This is because the above-mentioned centrifugal rinse is performed at a very high frequency of water absorption and dehydration of the laundry, as compared with the low speed rotation process.
  • the centrifugal force rinse is The degree of dilution is several times higher.
  • the controller 32 opens the drain valve 19 to drain the rinse water in the water tank 2. Thereafter, the rotary tank 4 is rotated at a high speed to dewater the rinse water contained in the laundry. A dewatering process is performed for a predetermined time to complete the operation. Alternatively, a drying device may be provided and the drying step may be performed following the dewatering step.
  • washing water is spouted from a plurality of peripheral portions of the opening 6 of the rotation tank 4 and the rinse water is evenly supplied to the laundry in the rotation tank 4 Can.
  • the rinsing efficiency can be enhanced by spouting the above-mentioned washing water.
  • the rinsing process of the drum type washing machine includes a high-speed rotating process in which the laundry in the rotating tub 4 rotates at a speed such that the laundry sticks to the inner peripheral wall of the rotating tub 4, and the laundry in the rotating tub rotates. And a low speed rotation step of rotating at a speed that does not stick to the inner peripheral wall of the tank 4.
  • the control unit 32 drives the pump 21 to supply the rinse water to the laundry stuck to the inner peripheral wall of the rotating tub 4 in the high speed rotation process.
  • the other configuration is the same as that of the first embodiment of the present invention. Hereinafter, the rinse process different from that of the first embodiment will be described.
  • 10A and 10B are time charts showing the operation of the washing process of the drum-type washing machine according to the second embodiment of the present invention.
  • control unit 32 opens the water supply valve 15 to start water supply.
  • the control unit 32 starts a high-speed rotation process in which the rotating tub 4 rotates at a speed such that the laundry sticks to the inner peripheral wall of the rotating tub 4.
  • the high-speed rotation step is not performed while the rinse water is uniformly supplied to the entire laundry in the rotary tank 4 with a plurality of nozzles, it is not possible to efficiently obtain the desired centrifugal rinse effect. That is, as shown in FIG. 7, when the rinse water is supplied to the laundry items A to G in the rotary tank 4 from the nozzle a at one place, the laundry items A to G are respectively rotated during one rotation of the rotary tank 4 Water absorption and dewatering of the rinse water, that is, removal of the detergent content is performed only once. Therefore, in order to obtain a desired rinse effect, it is necessary to carry out the high-speed rotation process for a long time, and the process time prolongation and the waste of power consumption can not be avoided.
  • the pump 21 is driven to pass through the circulating water channel 20, the nozzle water channel 22, the multiple nozzles 26, etc. It is always supplied constantly. Thereby, the above-mentioned subject can be avoided. That is, as shown in FIG. 8, when the rinse water is supplied to the laundry items A to G in the rotary tank 4 from a plurality of nozzles, for example, seven locations of the nozzles a to g, while the rotary tank 4 makes one rotation, Each of the laundry items A to G repeats the water absorption and dehydration of the rinse water seven times each. That is, since seven times the removal of the detergent component is performed in the same time as in the case where one nozzle 26 is provided, a sevenfold rinse effect can be obtained. As a result, even if the process time is 1/7, the same effect can be obtained, so that the process time can be shortened and the power consumption can be reduced.
  • the low-speed rotation process is subsequently performed.
  • the rinsing step of the drum-type washing machine it is general that the laundry in the rotary tub 4 is rotated at such a speed that it does not stick to the inner peripheral wall of the rotary tub 4. This is because, by rotating the rotary tank 4 at a speed of 45 r / min, for example, there is an action of tapping and rinsing.
  • the centrifugal rinse in the high-speed rotation process and the tapping rinse in the low-speed rotation process different forces are applied to the laundry, and the rinse performance can be improved.
  • the control unit 32 does not perform the high speed rotation process. May be Even if a large amount of laundry is accommodated in the rotary tank 4, if the laundry located in the central portion of the rotary tank 4 is covered with the rinse water, that is, if it is immersed in the rinse water, the low speed rotation process It is because a rinse effect can be expected even with only one.
  • efficient centrifugal force rinsing can be performed by circulating water from a plurality of nozzles in the high speed rotation process while securing the effect of beating rinse in the low speed rotation process. By obtaining an effect, the rinse performance can be improved.
  • the drum-type washing machine of the present invention includes a water tank for storing washing water, a rotary tank rotatably disposed in the water tank and provided with an opening on the front side, and a motor for driving the rotary tank.
  • the rinse process is performed by driving the motor and the pump provided with the nozzle water channel provided, the plurality of nozzles provided on the nozzle water channel so as to eject the rinse water supplied by the pump toward the inside of the rotary tank, and the motor And a control unit.
  • the rinsing step comprises a high speed rotating step in which the laundry in the rotating tub is rotated at such a speed that it adheres to the inner peripheral wall of the rotating tub.
  • the control unit drives the pump to supply rinse water to the laundry stuck on the inner peripheral wall of the rotating tank in the high speed rotation process.
  • the rinse water supplied into the water tank by the pump continues to be supplied not only to a part of the laundry in the vicinity of the spout but also to the entire laundry stuck to the inner peripheral wall in the rotating tank. be able to.
  • the effect of so-called centrifugal force washing is that the rinse water moves from the laundry inside the rotary tank toward the laundry outside the rotary tank with centrifugal force by the centrifugal force. can get. Therefore, by constantly supplying rinse water with a plurality of nozzles, dewatering of rinse water by centrifugal force and water absorption due to circulation water (rinse water) being applied are repeated, and the effect of centrifugal force rinse is Promoted more.
  • the rinse performance can be improved.
  • the rinse process is a high-speed rotation process, centrifugal force is always applied to the laundry, and water absorption due to circulation water from multiple nozzles is applied, and dehydration by the centrifugal force is repeated for a long time It will be done. As a result, the rinse performance can be improved.
  • a water tank for storing washing water for storing washing water
  • a rotating tank rotatably disposed in the water tank and having an opening on the front side
  • a motor for driving the rotating tank, and rinsing in the water tank
  • a circulating channel for circulating water to the rotating tank for circulating water to the rotating tank
  • a pump for supplying rinse water in the water tank to the circulating channel
  • a nozzle channel communicating with the circulating channel and provided in a substantially circular shape outside the peripheral portion of the opening of the rotating tank
  • a plurality of nozzles provided in the nozzle channel so as to eject the rinse water supplied by the pump toward the inside of the rotary tank
  • a control unit which drives the motor and the pump to execute the rinse step.
  • the rinsing process is a high-speed rotating process in which the laundry in the rotating tub adheres to the inner peripheral wall of the rotating tub and the rotating speed is such that the laundry in the rotating tub does not adhere to the inner peripheral wall of the rotating tub And a low speed rotation process.
  • the control unit drives the pump to supply rinse water to the laundry stuck on the inner peripheral wall of the rotating tank in the high speed rotation process.
  • the rinse water supplied into the water tank by the pump continues to be supplied not only to a part of the laundry in the vicinity of the spout but also to the entire laundry stuck to the inner peripheral wall in the rotating tank. be able to.
  • the effect of so-called centrifugal force washing is that the rinse water moves from the laundry inside the rotary tank toward the laundry outside the rotary tank with centrifugal force by the centrifugal force. can get. Therefore, by constantly supplying rinse water with a plurality of nozzles, dewatering of rinse water by centrifugal force and water absorption due to circulation water (rinse water) being applied are repeated, and the effect of centrifugal force rinse is Promoted more. As a result, the rinse performance can be improved.
  • the drum type washing machine of the present invention further includes a water level setting unit for setting the water level in the water tank, and the control unit performs the high-speed rotation process when the water level in the water tank is set higher than a predetermined level by the water level setting unit. Absent.
  • the drum-type washing machine according to the present invention can supply circulating water evenly to the entire laundry regardless of the amount of laundry in the rotating tank, and can improve the rinse efficiency, It is useful as a drum type washing machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

L'invention porte sur une machine à laver du type à tambour, laquelle machine comprend : un réservoir d'eau (2) qui stocke de l'eau de lavage; un tambour rotatif (4) disposé de façon à pouvoir tourner à l'intérieur du réservoir d'eau (2) et ayant une ouverture (6) sur le côté de surface avant de celui-ci; un moteur (9) qui entraine le tambour rotatif (4); une trajectoire d'eau de circulation (20) qui fait circuler, vers le tambour rotatif (4), de l'eau de rinçage à l'intérieur du réservoir d'eau (2); une pompe (21) qui envoie l'eau de rinçage qui se trouve à l'intérieur du réservoir d'eau vers la trajectoire d'eau de circulation (20); une trajectoire d'eau de buses (22) qui est reliée à la trajectoire d'eau de circulation (20) et qui est disposée sous une forme sensiblement circulaire sur l'extérieur de la section de bord périphérique de l'ouverture (6) du tambour rotatif (4); une pluralité de buses (26) disposées dans la trajectoire d'eau de buses (22) de façon à pulvériser l'eau de rinçage apportée par la pompe (21), vers l'intérieur du tambour rotatif (4); et une unité de commande (32) qui entraine le moteur (9) et la pompe (21), et qui exécute l'étape de rinçage. L'étape de rinçage comprend une étape de rotation à grande vitesse, dans laquelle le tambour rotatif (4) tourne à une vitesse dans laquelle les articles de linge à l'intérieur du tambour rotatif (4) collent à la paroi périphérique interne du tambour rotatif (4). Dans l'étape de rotation à grande vitesse, l'unité de commande (32) entraine la pompe (21), et apporte de l'eau de rinçage aux articles de linge collés à la paroi périphérique interne du tambour rotatif (4).
PCT/JP2012/005478 2011-09-05 2012-08-30 Machine à laver du type à tambour WO2013035278A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-192679 2011-09-05
JP2011192679A JP2013052124A (ja) 2011-09-05 2011-09-05 ドラム式洗濯機

Publications (1)

Publication Number Publication Date
WO2013035278A1 true WO2013035278A1 (fr) 2013-03-14

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WO (1) WO2013035278A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112107268A (zh) * 2020-08-31 2020-12-22 宁波方太厨具有限公司 一种清洗机

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Publication number Priority date Publication date Assignee Title
JP2014200535A (ja) * 2013-04-08 2014-10-27 パナソニック株式会社 洗濯機
JP6063335B2 (ja) * 2013-04-22 2017-01-18 日立アプライアンス株式会社 ドラム式洗濯機
JP6250500B2 (ja) * 2014-08-22 2017-12-20 日立アプライアンス株式会社 ドラム式洗濯機
JP6349334B2 (ja) * 2016-02-26 2018-06-27 日立アプライアンス株式会社 ドラム式洗濯機
KR102535188B1 (ko) 2018-06-04 2023-05-19 엘지전자 주식회사 세탁기의 제어방법
KR102533498B1 (ko) * 2018-06-04 2023-05-17 엘지전자 주식회사 세탁기의 제어방법
JP7407657B2 (ja) 2020-05-22 2024-01-04 東芝ライフスタイル株式会社 洗浄装置、及び洗濯機
JP2022161288A (ja) * 2021-04-08 2022-10-21 青島海爾洗衣机有限公司 ドラム式洗濯機

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JPH10235069A (ja) * 1997-02-21 1998-09-08 Matsushita Electric Ind Co Ltd 洗濯機
JP2007111410A (ja) * 2005-10-24 2007-05-10 Matsushita Electric Ind Co Ltd ドラム式洗濯乾燥機
JP2011509139A (ja) * 2008-04-08 2011-03-24 エルジー エレクトロニクス インコーポレイティド 洗濯装置
JP2011245268A (ja) * 2010-04-26 2011-12-08 Toshiba Corp ドラム式洗濯機

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Publication number Priority date Publication date Assignee Title
JPH10235069A (ja) * 1997-02-21 1998-09-08 Matsushita Electric Ind Co Ltd 洗濯機
JP2007111410A (ja) * 2005-10-24 2007-05-10 Matsushita Electric Ind Co Ltd ドラム式洗濯乾燥機
JP2011509139A (ja) * 2008-04-08 2011-03-24 エルジー エレクトロニクス インコーポレイティド 洗濯装置
JP2011245268A (ja) * 2010-04-26 2011-12-08 Toshiba Corp ドラム式洗濯機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112107268A (zh) * 2020-08-31 2020-12-22 宁波方太厨具有限公司 一种清洗机
CN112107268B (zh) * 2020-08-31 2022-03-18 宁波方太厨具有限公司 一种清洗机

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