WO2017054760A1 - Machine à laver - Google Patents

Machine à laver Download PDF

Info

Publication number
WO2017054760A1
WO2017054760A1 PCT/CN2016/100886 CN2016100886W WO2017054760A1 WO 2017054760 A1 WO2017054760 A1 WO 2017054760A1 CN 2016100886 W CN2016100886 W CN 2016100886W WO 2017054760 A1 WO2017054760 A1 WO 2017054760A1
Authority
WO
WIPO (PCT)
Prior art keywords
washing
water
washing tub
detergent
circulation
Prior art date
Application number
PCT/CN2016/100886
Other languages
English (en)
Chinese (zh)
Inventor
西浦直人
田中启之
川口智也
米田昌令
荒井英行
大西胜司
Original Assignee
青岛海尔洗衣机有限公司
海尔亚洲株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛海尔洗衣机有限公司, 海尔亚洲株式会社 filed Critical 青岛海尔洗衣机有限公司
Priority to US15/765,182 priority Critical patent/US20180298538A1/en
Priority to EP16850384.5A priority patent/EP3358066A4/fr
Priority to CN201680057008.9A priority patent/CN108138428A/zh
Priority to KR1020187012068A priority patent/KR20180057710A/ko
Publication of WO2017054760A1 publication Critical patent/WO2017054760A1/fr

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/085—Arrangements or adaptations of pumps
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/304—Arrangements or adaptations of electric motors
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/028—Arrangements for selectively supplying water to detergent compartments
    • 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
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/44—Current or voltage
    • D06F2103/46—Current or voltage of the motor driving the drum
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • 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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/04—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a vertical axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/086—Arrangements for avoiding detergent wastage in the discharge conduit
    • 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
    • D06F39/087—Water level measuring or regulating devices
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/088—Liquid supply arrangements

Definitions

  • the laundry is sometimes dipped prior to the formal washing process in which the laundry is formally washed.
  • the laundry is immersed in the detergent water to cause the dirt to float out of the laundry, so that the soiling is easily removed in the subsequent formal washing process.
  • the general immersion is carried out using almost the same amount of detergent water as the entire supply process.
  • the burden of the detergent is increased when the amount of the detergent is increased.
  • Patent Document 1 Japanese Laid-Open Patent Publication No. 2005-65873
  • Patent Document 2 Japanese Patent Publication No. 2008-534049
  • the present invention has been made in view of the background, and an object of the invention is to provide a washing machine capable of improving a washing effect by a small amount of detergent water in a structure in which a laundry is accommodated in a washing tub having a longitudinally extending axis.
  • the present invention relates to a washing machine comprising: a washing tub having a longitudinally extending axis for containing laundry and storing water; and a circulation path for drawing and mixing detergent water mixed with detergent from the washing tub Returning the upper side to the washing tub; pumping the detergent water in the washing tub to the circulation path and causing it to rise in the circulation path; and executing the unit to perform a washing operation,
  • the washing operation includes a circulation soaking process which alternately repeats the circulation process and the soaking process, wherein the circulation process is to circulate the detergent water between the washing tub and the circulation path by driving the pump It is poured to the laundry; the soaking treatment stops the driving of the pump and saturates the detergent water in the washing tub.
  • the present invention is characterized in that it includes a motor that rotates the washing tub, and the executing unit drives the motor in at least one of the circulation processes to rotate the washing tub at a low speed at a rotation speed lower than a predetermined rotation speed.
  • the present invention is characterized in that it includes a motor that rotates the washing tub, the execution unit controls driving of the motor in at least one of the loop processes, and intermittently rotates the washing tub intermittently.
  • the present invention is characterized in that it includes a motor that rotates the washing tub, the execution unit stops the washing tub in the circulation process during the circulating soaking process, and starts the next The motor is driven before the circulation process to rotate the washing tub only by a predetermined angle.
  • the present invention is characterized by comprising: a water supply path for supplying water to the washing tub; and a water supply valve that opens and closes the water supply path, the washing operation including the circulation soaking process and the washing tub a formal washing process that stores water to formally wash the laundry after the circulating soaking process
  • the execution unit opens the water supply valve during the circulation soaking process, and supplies a part of the water supply amount of the entire washing process to the washing tub to generate detergent water.
  • the present invention is characterized in that it includes a detergent accommodating portion that is connected to the water supply path and houses a detergent, and the water supply path has a water staggering direction through the detergent accommodating portion and flowing through the water supply path.
  • the discharge port in which the position of the laundry in the washing tub is discharged is described.
  • the present invention is characterized in that the execution unit changes the processing time of each of the circulation processing and the saturation processing in accordance with the magnitude of the load amount of the laundry in the washing tub.
  • the washing machine accommodates laundry in a washing tub having a longitudinally extending axis and can store water.
  • the detergent water mixed with the detergent is sucked into the circulation path by the pump and rises in the circulation path, and then returns from the upper side to the washing tub.
  • the execution unit performs a washing operation including a cycle soaking process.
  • the execution unit alternately repeats the circulation treatment and the saturation treatment in the cyclic soaking process, wherein the circulation treatment is to drive the pump to circulate the detergent water between the washing tub and the circulation path and to pour it to the laundry; the soaking treatment is The drive of the pump is stopped and the detergent water is allowed to soak the laundry in the wash tub.
  • the execution unit drives the motor in at least one cycle process to rotate the washing tub at a low speed at a rotation speed lower than a predetermined rotation speed.
  • the detergent water returned from the circulation path to the washing tub can be uniformly poured into the laundry in the washing tub over the entire area in the rotation direction of the washing tub. Therefore, the cleaning effect by the detergent water can be further improved.
  • the execution unit controls the driving of the motor in at least one cycle process, and repeatedly intermittently rotates the washing tub.
  • the detergent water returned from the circulation path to the washing tub can be uniformly poured into the laundry in the washing tub over the entire area in the rotation direction of the washing tub. Therefore, the cleaning effect by the detergent water can be further improved.
  • the execution unit makes the washing tub in the circulating process during the circulating soaking process Stop and drive the motor before starting the next cycle of processing, so that the wash tub is only rotated by a specified angle.
  • the washing water can be concentratedly poured to one portion of the washing drum in the rotation direction of the washing tub.
  • the washing water can be poured into the washing water in the previous cycle of washing.
  • Other parts than the part.
  • the execution unit opens the water supply valve by circulating the water supply valve before the formal washing process, so that the water flows into the water supply path, thereby giving the entire specification A part of the water supply amount of the washing process is supplied to the washing tub to generate detergent water. Thereby, a high concentration of detergent water can be produced.
  • the discharge port of the water supply path discharges the water with the detergent passing through the detergent accommodating portion toward the position where the laundry in the washing tub is staggered. Therefore, it can suppress that the super high-concentration detergent which melt
  • the execution unit changes the processing time of each of the circulation processing and the saturation treatment according to the magnitude of the load amount of the laundry in the washing tub, the most suitable cyclic soaking process can be performed for each load amount. Therefore, the cleaning effect by the detergent water can be further improved in the circulation soaking process.
  • Fig. 1 is a schematic view of a washing machine in accordance with an embodiment of the present invention.
  • Fig. 2 is a block diagram showing the electrical configuration of the washing machine.
  • Fig. 3 is a flow chart showing the control operation of the circulation soaking process.
  • FIG. 4 is a schematic view of a washing machine of a first modification.
  • Fig. 5 is a schematic view of a washing machine of a second modification.
  • Fig. 6 is a schematic view of a washing machine of a third modification.
  • washing machine 1: washing machine; 4: washing tub; 5: motor; 6: water supply road; 6B: spitting outlet; 7: water supply valve; 8: detergent storage section; 11: circulation road; 12: pump; 30: control department; : axis; Q: washing; Z1: upper side.
  • FIG. 1 is a schematic view of a washing machine 1 according to an embodiment of the present invention.
  • the vertical direction in FIG. 1 is referred to as the vertical direction Z of the washing machine 1
  • the left-right direction in FIG. 1 is referred to as the horizontal direction Y of the washing machine 1.
  • the vertical direction Z coincides with the vertical direction
  • the horizontal direction Y coincides with the horizontal direction.
  • the upper side is referred to as the upper side Z1
  • the lower side is referred to as the lower side Z2.
  • the washing machine 1 also includes a washing and drying machine having a drying function, the washing machine 1 will be described below by taking a washing machine that performs only the washing operation as an example.
  • the washing machine 1 includes a casing 2 and an outer tub 3 disposed in the casing 2, a washing tub 4, a motor 5, a water supply path 6, a water supply valve 7, a detergent accommodating portion 8, a drain passage 9, a drain valve 10, and a circulation path 11 And pump 12.
  • the outer tub 3 is made of, for example, a resin, and has a bottomed cylindrical shape, and is elastically supported by the casing 2 via an elastic supporting member (not shown) such as a so-called boom. Water can be stored in the outer tub 3.
  • the virtual straight line passing through the center of the outer tub 3 is the axis J of the outer tub 3.
  • the axis J extends longitudinally in a direction that is slightly inclined with respect to the vertical direction or with respect to the vertical direction.
  • the bottomed cylindrical outer tub 3 has a substantially cylindrical circumferential wall 3A disposed along the axis J, a disk-shaped bottom wall 3B that blocks the hollow portion of the circumferential wall 3A from the lower side Z2, and a circumferential wall The upper end edge of 3A is crimped and an annular annular wall 3C projecting toward the axis J side.
  • the outer tub 3 is formed by: a ring The circular inlet and outlet 3D which is surrounded by the wall 3C and faces the inlet and outlet 2B of the casing 2 from the lower side Z2, and the through hole 3E which penetrates the center portion of the bottom wall 3B in the vertical direction Z.
  • the washing tub 4 is formed with a circular inlet/outlet 4D surrounded by the annular wall 4C and opposed to the inlet and outlet 3D of the outer tub 3 from the lower side Z2, and a plurality of through holes 4E penetrating the circumferential wall 4A and the bottom wall 4B.
  • the motor 5 is constituted by, for example, a variable frequency motor.
  • the motor 5 is disposed in the casing 2 on the lower side Z2 of the outer tub 3, and is fixed to the bottom wall 3B of the outer tub 3 via a fixing member (not shown) or the like.
  • the motor 5 has an output shaft 18 that rotates about an axis J.
  • the output shaft 18 is coupled to the rotating shaft 17 of the washing tub 4.
  • a transmission mechanism (not shown) including a clutch or the like may be interposed between the rotating shaft 17 and the output shaft 18.
  • a pulsator (not shown) for agitating the stored laundry Q is provided in the washing tub 4, and the driving force of the motor 5 can be selectively transmitted from the transmission mechanism to the washing tub 4 and the pulsator. Or both parties.
  • the number of revolutions of the motor 5 is the same as the number of revolutions of the washing tub 4 and the pulsator.
  • the water supply path 6 is a flow path having one end portion 6A connected to a faucet (not shown) and the other end portion 6C in which the discharge port 6B is formed.
  • the other end portion 6C of the water supply path 6 penetrates the annular wall 3C of the outer tub 3 from the upper side Z1, and the discharge port 6B faces the lateral direction between the circumferential wall 3A of the outer tub 3 and the circumferential wall 4A of the washing tub 4 from the upper side Z1.
  • the gap 19 on Y is arranged in a manner.
  • the water supply valve 7 is provided in the middle of the water supply path 6.
  • the water supply path 6 is opened when the water supply valve 7 is opened.
  • the water from the faucet flows through the water supply path 6 and flows down from the discharge port 6B to the gap 19 as indicated by the thick solid arrow, and is accumulated in the outer tub 3.
  • the discharge port 6B discharges the water flowing into the water supply path 6 toward the gap 19 between the outer tub 3 and the washing tub 4, that is, at a position shifted from the laundry Q in the washing tub 4.
  • the water accumulated in the outer tub 3 passes through the through hole 4E of the washing tub 4 and is also accumulated in the washing tub 4. In this manner, when the water supply valve 7 is opened, the washing tub 4 is supplied with water from the water supply path 6.
  • the water supply path 6 is closed when the water supply valve 7 is closed, the water supply can be stopped.
  • the detergent accommodating portion 8 is formed in a box shape in which detergent is stored, and is connected to the middle of the water supply path 6.
  • the internal space of the detergent accommodating portion 8 constitutes a midway portion of the water supply path 6.
  • the drain passage 9 has an end portion 9A that is connected to the bottom wall 3B of the outer tub 3 from the lower side Z2 at a position avoiding the through hole 3E, and is pulled out to the casing 2 at a position lower than the one end portion 9A.
  • the drain valve 10 is provided in the middle of the drain path 9.
  • the drain path 9 is opened when the drain valve 10 is opened. Thereby, the detergent water accumulated in the outer cylinder 3 and the washing tub 4 is discharged to the outside of the machine through the drain path 9. In this way, when the drain valve 10 is closed in a state where the drain is performed, the drain passage 9 is closed, so that the drain can be stopped.
  • the circulation path 11 is a flow path having one end portion 11A in which the drain passage 9 is connected to the portion between the one end portion 9A and the drain valve 10, and the other end portion 11C in which the water discharge port 11B is formed.
  • the circulation path 11 is bent from the one end portion 11A in the lateral direction Y, and is bent, passes through the gap between the casing 2 and the outer tub 3, and extends toward the upper side Z1, and then is bent toward the axis J side to reach the other end portion 11C.
  • the other end portion 11C is bent to the lower side Z2 directly above the entrance/exit 3D of the outer tub 3, and the spouting port 11B is opened at the lower end of the other end portion 11C, and faces the entrance/exit 4D of the washing tub 4 from the upper side Z1.
  • the pump 12 is a centrifugal pump or the like in which a rotating impeller (not shown) is incorporated, and is provided in the middle of the circulation path 11.
  • the pump 12 is driven to take in the detergent water in the outer tub 3 and in the washing tub 4 to the one end portion 11A of the circulation path 11 via the drain path 9 and to raise it in the circulation path 11.
  • the detergent water is drawn into the circulation path 11 from the inside of the outer tub 3 and the washing tub 4, and is discharged from the water discharge port 11B of the other end portion 11C.
  • the detergent water discharged from the spouting port 11B flows down to the inlet and outlet 4D of the washing tub 4 as indicated by a thick broken line arrow, and returns to the washing tub 4 from the upper side Z1.
  • the detergent water is in the washing tub 4 Loop between the loops 11.
  • the washing machine 1 includes a control unit 30 as an execution unit.
  • the control unit 30 is, for example, a microcomputer including a CPU, a memory unit such as a ROM or a RAM, and is disposed in the casing 2.
  • the washing machine 1 further includes a water level sensor 31, a rotation sensor 32, and a timer 33 for timing.
  • the water level sensor 31, the rotation sensor 32, and the timer 33, and the motor 5, the pump 12, the display operation unit 15, the water supply valve 7, and the drain valve 10 are electrically connected to the control unit 30, respectively.
  • the water level sensor 31 is a sensor that detects the water level of the outer tub 3 and the washing tub 4, and the detection result of the water level sensor 31 is input to the control unit 30 in real time.
  • the rotation sensor 32 is a device that reads the number of revolutions of the motor 5, and is strictly a device that reads the number of revolutions of the output shaft 18 of the motor 5, for example, a Hall that outputs a pulse wave every time the output shaft 18 rotates by a predetermined rotation angle.
  • the IC (not shown) is composed.
  • the number of revolutions read by the rotation sensor 32 is input to the control unit 30 in real time.
  • the control unit 30 controls the voltage applied to the motor 5 based on the number of revolutions input, and controls the duty ratio of the voltage applied to the motor 5 in detail, and drives the motor 5 to rotate at a desired number of revolutions.
  • the control unit 30 also controls the driving of the pump 12.
  • the control unit 30 receives the selection.
  • the control unit 30 displays the information necessary for the user in a visual manner on the display operation unit 15.
  • the control unit 30 controls opening and closing of each of the water supply valve 7 and the drain valve 10. Therefore, the control unit 30 can supply water to the washing tub 4 by opening the water supply valve 7 in a state where the drain valve 10 is closed, and can perform draining of the washing tub 4 by opening the drain valve 10.
  • the washing operation includes a washing process consisting of an initial cycle soaking process and a formal washing process after the cycle soaking process, a rinsing process after the washing process, and a dehydrating process.
  • the cycle soaking process can be regarded as an independent process in the washing operation, or can be regarded as a part of the washing process as in the present embodiment.
  • the dehydration process includes: a final dehydration process performed at the end of the washing operation; and an intermediate dehydration process performed after the washing process and the rinsing process.
  • the control unit 30 detects the amount of the laundry Q in the washing tub 4 as the load amount before the start of the washing operation.
  • the unit of the load amount is, for example, kg.
  • the control unit 30 can The weight of the laundry Q detected by the weight sensor (not shown) provided in the washing machine 1 is used to obtain the load. Further, the amount of load may be detected based on fluctuations in the number of revolutions of the motor 5 when the washing tub 4 is stably rotated at a low speed. Further, when the pulsator is provided, the control unit 30 rotates the pulsator carrying the laundry Q for a predetermined period of time, and then stops the driving of the motor 5 to rotate the motor 5 by inertia, and measures the motor 5 at this time.
  • the amount of inertial rotation The larger the load, the smaller the amount of inertia rotation of the motor 5 connected to the pulsator carrying the heavier laundry Q.
  • the smaller the amount of load the larger the amount of inertia rotation of the motor 5 connected to the pulsator carrying the lighter laundry Q.
  • the control unit 30 detects the amount of load based on the magnitude of the number of revolutions of inertia
  • the cycle soaking process will be described with reference to the flowchart of Fig. 3.
  • the drain valve 10 is always closed during the cycle soaking process.
  • the control unit 30 supplies water to the washing tub 4 by opening the water supply valve 7 only for a predetermined time (step S1). Thereby, the washing tub 4 accumulates the detergent water to a predetermined water level.
  • the control unit 30 performs the first loop processing (step S2).
  • the control unit 30 drives the pump 12 to circulate the detergent water between the washing tub 4 and the circulation path 11, and at this time, the detergent water is poured from the spouting port 11B of the circulation path 11 to the washing tub. Washing Q within 4.
  • the processing time of the loop processing that is, the time for driving the pump 12 is, for example, about 15 seconds. Further, in the detergent water that has passed through the pump 12 in the circulation path 11, since the detergent is broken and refined by the impeller of the pump 12 and dissolved in the water, a high concentration of detergent water can be generated.
  • the control unit 30 performs the first soaking process (step S3).
  • the control unit 30 stops the driving of the pump 12 and causes the detergent water to permeate the laundry Q in the washing tub 4.
  • the detergent water poured from the upper side Z1 to the laundry Q in the circulation treatment permeates the laundry Q by its own weight.
  • the drain valve 10 since the drain valve 10 continues to be in the closed state, the detergent water is stored in the washing tub 4 to a certain extent, and the laundry Q, particularly the lower portion, is immersed in the detergent water.
  • the processing time of the soaking treatment that is, the time for stopping the pump 12 is, for example, about 45 seconds.
  • control unit 30 performs the second loop processing (step S4), and thereafter performs the second soaking process (step S5). Further, since the pump 12 is stopped in the soaking process before the circulation process, the detergent water is accumulated in the outer tub 3 and the washing tub 4 at the start of the circulation process, and is also accumulated in the drain path 9 and the circulation path 11. The state of the one end portion 11A. Therefore, at the time of the subsequent circulation treatment after the impregnation treatment, the circulation of the detergent water can be quickly started without the pump 12 being idling. In addition, in the first cycle treatment, since the laundry Q before washing is dry, it can absorb a large amount of detergent.
  • the state of the water so the treatment time is set longer, but since the second cycle treatment, since the laundry Q is in a state in which a certain amount of detergent water has been absorbed, the treatment time is set to be longer than the first time.
  • the processing time of the loop processing is short. For the same reason, the processing time is set to be long in the first soaking process, but the processing time is set to be shorter than the processing time of the first soaking process from the second soaking process.
  • the control unit 30 alternately repeats the loop processing (step S4) and the soaking processing (step S5) a plurality of times.
  • the predetermined time here is, for example, 30 minutes.
  • the circulation process and the soaking process are repeated for a total of 30 times.
  • the detergent water is small, the detergent water is repeatedly uniformly poured into the laundry Q in the washing tub 4 by the multiple circulation treatment, and the laundry Q is treated and soaked by the soaking treatment after each circulation treatment. It is in the same state as detergent water. Thereby, the dirt is efficiently floated from the entire laundry Q. Therefore, the cleaning effect can be improved by a small amount of detergent water.
  • the control unit 30 may perform the first process of driving the motor 5 to rotate the washing tub 4 at a low speed of a predetermined number of revolutions or less at least in one cycle.
  • the number of revolutions of the motor 5 when the washing tub 4 is rotated at a low speed is, for example, 50 rpm.
  • the number of revolutions of the motor 5 when the washing tub 4 is rotated at a high speed during the dehydration process is, for example, 600 rpm to 800 rpm.
  • control unit 30 may perform the control of the driving of the motor 5 in at least one cycle process.
  • the second process of intermittent rotation of the washing tub 4 is repeated.
  • the intermittent rotation of the washing tub 4 means that the washing tub 4 is repeatedly stopped and rotated by repeatedly energizing and de-energizing the motor 5.
  • the detergent water returned from the circulation path 11 into the washing tub 4 can be uniformly poured into the laundry Q in the washing tub 4 over the entire area in the rotation direction of the washing tub 4. Therefore, the cleaning effect by the detergent water can be further improved.
  • the control unit 30 may also perform a third process of stopping the washing tub 4 in the circulation process and driving the motor 5 to rotate the washing tub 4 only by a predetermined angle before starting the next cycle process in the cycle soaking process.
  • the washing water can be concentratedly poured to one portion in the rotation direction of the washing tub 4 of the laundry Q.
  • slightly rotating the washing tub 4 before starting the next loop processing it is possible to concentrate the washing water to the washing material Q and the washing water in the previous circulation processing in the subsequent circulation processing. Part of the different parts.
  • the circulation process is repeated a plurality of times while slightly changing the position of the detergent Q in which the detergent water is immersed, and finally, a sufficient amount of detergent water can be uniformly poured over the entire area in the rotation direction of the washing tub 4 to the entire area.
  • the laundry Q in the tub 4 is washed. Therefore, the cleaning effect by the detergent water can be further improved.
  • the washing tub 4 may be stopped in the subsequent soaking process after the circulation process of stopping the washing tub 4, or the washing tub 4 may be rotated in the soaking process. When the washing tub 4 is rotated in the soaking process, the stop position of the washing tub 4 in the previous cycle processing is temporarily stored by the control unit 30.
  • the detergent water can be uniformly poured into the entire laundry Q in the initial stage of the circulation soaking process, and a large amount of the washing liquid is started from the sixth cycle of the treatment.
  • the detergent water is poured to the portion of the laundry Q, whereby the cleaning effect of the portion of the laundry Q impregnated with the detergent water can be improved.
  • the combination of the first to third processes can be arbitrarily set in accordance with the magnitude of the load amount of the laundry Q and the mode of the washing operation. For example, in the case of a mode in which the amount of laundry is small and the load is small, and the cotton which is easy to absorb water is washed, even if only a small amount of detergent water is uniformly poured onto the laundry Q, the detergent water is easily infiltrated into the washing.
  • the lower part of the object Q thus increasing the frequency of the first process and the second process, Reduce the frequency of the third process.
  • the detergent water is difficult because a large amount of detergent water is not poured to a part of the laundry Q. It infiltrates into the lower portion of the laundry Q, thus increasing the frequency of the third treatment, reducing the frequency of the first treatment and the second treatment.
  • the control portion 30 may open the water supply valve 7 in the step S1 of the circulation soaking process, and supply a part of the water supply amount of the entire washing process to the washing tub 4 to generate detergent water. That is, in the circulation soaking process, detergent water is generated using a part of the amount of water supplied to the entire washing process. Thereby, a high concentration of detergent water can be generated without increasing the amount of water supplied to the entire washing operation. Further, the water supply amount of the entire washing process is, for example, 60 L. In this case, the water supply amount of the circulation soaking process is set to about 1/3 to 1/2 of 60 L, for example, 20 L.
  • the high concentration here means a range of the concentration of 2 to 3 times, for example.
  • the discharge port 6B of the water supply path 6 discharges the water having the detergent passing through the detergent storage unit 8 toward the position where the laundry Q in the washing tub 4 is displaced. That is, when the water supply in the circulation soaking process is performed, the water of the detergent with the detergent containing portion 8 is supplied so as not to be directly hit on the laundry Q. Thereby, it is possible to suppress the occurrence of a situation in which the ultra-high concentration detergent before being dissolved in water adheres only to a part of the surface of the laundry Q, and the entire laundry Q cannot be uniformly washed.
  • the control unit 30 may change the processing time of each of the circulation processing and the saturation treatment according to the magnitude of the load amount of the laundry Q in the washing tub 4. Specifically, when the amount of the laundry Q is large and the load is large, since a large amount of detergent water needs to be poured into the laundry Q to permeate it, the control unit 30 usually treats the respective processing times of the circulation treatment and the saturation treatment. Set it longer. On the other hand, when the amount of the laundry Q is small and the load is small, the control unit 30 usually performs the cycle treatment because a small amount of detergent water is poured into the laundry Q to permeate it to obtain a sufficient cleaning effect. And the processing time for each of the soaking treatments is set to be short. Thereby, the most suitable cyclic soaking process can be performed for each load amount. Therefore, the cleaning effect by the detergent water of the circulation soaking process can be further improved.
  • the one end portion 11A of the circulation path 11 is connected to the drain passage 9 (see FIG. 1), but may be connected to the lower end portion of the outer tub 3.
  • FIGS. 4 to 6 are schematic views of a washing machine 1 of a third modification.
  • the same portions as those described in FIG. 1 are denoted by the same reference numerals, and the description thereof will be omitted.
  • the washing machine 1 may include a water tank 21.
  • the water tank 21 has a capacity capable of accumulating detergent water generated in the circulation cleaning process, and is disposed in the casing 2 in a space closer to the lower side Z2 than the outer tub 3.
  • a water tank 21 is interposed between the connection portion with the one end portion 11A of the circulation path 11 and the one end portion 9A.
  • the internal space of the water tank 21 constitutes a midway portion of the drainage path 9.
  • a drain valve 22 is provided between the one end portion 9A and the water tank 21.
  • the drain valve 10 will be referred to as a first drain valve 10
  • the drain valve 22 will be referred to as a second drain valve 22.
  • the opening and closing of the second drain valve 22 is controlled by the control unit 30.
  • the water that has flowed out of the outer tub 3 to the drain passage 9 once passes through the water tank 21 and then reaches the other end portion 9B, and is discharged to the outside of the machine.
  • the first drain valve 10 is closed in a state where the second drain valve 22 is opened, the water that has flowed out of the tub 3 to the drain passage 9 is not discharged to the outside of the machine, but is stored in the tank 21.
  • the one end portion 23A of the exhaust pipe 23 is connected from the upper side Z1.
  • the exhaust pipe 23 extends from the one end portion 23A to the upper side Z1, and the other end portion 23B thereof is connected to the upper portion of the circumferential wall 3A of the outer tub 3.
  • control unit 30 also executes the cyclic soaking process illustrated in FIG.
  • the first drain valve 10 is always closed, but the second drain valve 22 may be opened and closed as needed.
  • the circulation soaking process which is the same as the case where the water tank 21 is not provided is performed.
  • step S6 the control unit 30 repeats the loop processing and the saturation processing a plurality of times alternately until a predetermined period of time has elapsed.
  • the detergent water accumulated in the water tank 21 is taken into the circulation path 11 by the pump 12, and is poured into the washing tub 4 from the upper side Z1 from the water discharge port 11B of the circulation path 11. Wash Q (refer to the thick dashed arrow of Figure 4).
  • the detergent water poured to the laundry Q is accumulated in the water tank 21 through the drain path 9, and is again taken up by the pump 12 to the circulation path 11 and poured into the laundry Q.
  • the detergent water circulates between the washing tub 4 and the circulation path 11 via the water tank 21.
  • the second drain valve 22 may be closed to accumulate the detergent water in the washing tub. 4 inside.
  • step S3 and step S5 first, the control unit 30 closes the second drain valve 22 while stopping the pump 12. Thereby, since the detergent water supplied from the circulation path 11 to the washing tub 4 is accumulated in the washing tub 4 in the previous circulation process, the detergent water easily permeates into the laundry Q. Further, in the soaking process, the control unit 30 opens the second drain valve 22 at a later point in time from the start to the lapse of a certain period of time. Thereby, since the detergent water in the washing tub 4 is accumulated in the water tank 21 through the drain path 9, the circulation of the detergent water can be quickly started in the subsequent circulation process.
  • the control unit 30 opens the water supply valve 7 in a state where the second drain valve 22 is closed as the main washing process starts. Water is supplied to the washing tub 4, and at this time, the pump 12 is driven to transfer the detergent water of the water tank 21 to the washing tub 4 via the circulation path 11. As described above, the detergent water of the water tank 21 is also used for water supply, whereby the amount of water supplied from the water supply path 6 can be suppressed to be small.
  • the discharge port 6B of the water supply path 6 is as As indicated by the thick solid arrows, the water with the detergent is discharged toward the gap 19 between the outer tub 3 and the washing tub 4, that is, the position where the laundry Q in the washing tub 4 is staggered.
  • a second modification and a third modification are exemplified.
  • the water supply path 6 extends from the detergent accommodating portion 8 between the circumferential wall 3A of the outer tub 3 and the casing 2 and to the lower side Z2, and the other end portion 6C of the water supply path 6 Connected to the circumference The lower end of the wall 3A.
  • the water supply path 6 in this case is a flow path that passes through the outer tub 3, and the discharge port 6B of the other end portion 6C faces the lower end portion of the gap 19 between the outer tub 3 and the washing tub 4 from the lateral direction Y.
  • the washing machine 1 of the second modification includes the branch path 25 branched from the water supply path 6 in the detergent storage unit 8.
  • the branch path 25 is a flow path extending from the detergent accommodating portion 8 to the lower side Z2, and a water supply port 25A that faces the inlet and outlet 4D of the washing tub 4 from the upper side Z1 is provided at the lower end thereof.
  • a water supply valve 26 is provided in the middle of the branch path 25.
  • the water supply valve 7 will be referred to as a first water supply valve 7
  • the water supply valve 26 will be referred to as a second water supply valve 26.
  • the opening and closing of the second water supply valve 26 is controlled by the control unit 30.
  • the control unit 30 opens the first water supply valve 7 in a state where the second water supply valve 26 is closed while the water supply in step S1 is being performed.
  • the water from the faucet is supplied with detergent to the washing tub 4 after passing through the detergent accommodating portion 8 and flowing down to the water supply path 6, as indicated by a thick solid arrow, from the discharge port 6B.
  • the bottom wall 4B is also close to the space 27 of the lower side Z2.
  • the discharge port 6B discharges the water flowing through the water supply path 6 toward the space 27, that is, at a position shifted from the laundry Q in the washing tub 4.
  • the water with the detergent is supplied so as not to be directly hit on the laundry Q.
  • the control unit 30 opens the second water supply valve 26 in a state where the first water supply valve 7 is closed. Thereby, the water from the faucet is directly supplied into the washing tub 4 from the water supply port 25A via the branch path 25.
  • the initial water supply is performed using the water supply path 6, and the subsequent water supply is performed using the branch path 25.
  • the other end portion 6C of the water supply path 6 passes through the inlet and outlet 3D of the outer tub 3, and the discharge port 6B of the other end portion 6C faces the inlet and outlet 4D of the washing tub 4 from the upper side Z1.
  • the washing machine 1 of the third modification is provided with a guide portion 28 inside the washing tub 4.
  • the guide portion 28 is a water guide shape extending in the vertical direction Z from the upper end portion to the lower end portion of the circumferential wall 4A of the washing tub 4, and is formed in an arc shape convexly curved toward the axis J side in a plan view. .
  • the guide portion 28 is fixed to the circumferential wall 4A so as to cover one portion on the circumference of the circumferential wall 4A from the side of the axis J. Thereby, a guide flow path 29 extending in the vertical direction Z is formed between the guide portion 28 and the circumferential wall 4A.
  • the upper end portion of the guide portion 28 is a bowl-shaped receiving portion 28A that is formed to bulge toward the axis J side.
  • the guiding flow path 29 is exposed from the receiving portion 28A to the upper side Z1.
  • the discharge port 6B is disposed to face the receiving portion 28A from the upper side Z1.
  • the control unit 30 opens the water supply valve 7 when the water supply in step S1 is performed. Thereby, the water from the faucet passes through the detergent accommodating portion 8 with detergent and The water supply passage 6 is dropped from the discharge port 6B to the receiving portion 28A of the guide portion 28 as indicated by a thick solid arrow.
  • the water received by the receiving portion 28A flows down in the guiding flow path 29, leaks from the through hole 4E of the washing tub 4 to the outside of the washing tub 4, and reaches the lower side Z2 in the outer tub 3 than the bottom wall 4B of the washing tub 4. Space 27.
  • the discharge port 6B discharges the water flowing through the water supply path 6 toward the guide portion 28, that is, at a position shifted from the laundry Q in the washing tub 4. Thereby, the water with the detergent is supplied so as not to be directly hit on the laundry Q.

Landscapes

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

Abstract

L'invention concerne une machine à laver, qui peut recevoir le linge dans la structure d'un tambour de lavage comportant un axe s'étendant longitudinalement et améliorer l'effet de lavage avec une petite quantité d'eau de lavage. La machine à laver (1) comprend : un tambour de lavage (4) comportant un axe (J) s'étendant longitudinalement ; un trajet de circulation (11) pour aspirer l'eau de lavage mélangée avec un détergent dans le tambour de lavage (4), et la renvoyer dans le tambour de lavage (4) depuis un côté supérieur (Z1) ; une pompe (12) qui pompe l'eau de lavage dans le tambour de lavage (4) dans le trajet de circulation (11) et lui permet de s'élever dans le trajet de circulation (11) ; et une partie de commande (30) qui exécute une opération de lavage. L'opération de lavage comprend un processus de circulation et de trempage, dans lequel un traitement de circulation et un traitement de trempage sont réalisés de manière alternée et répétée, le traitement de circulation étant destiné à entraîner la pompe (12) pour faire circuler l'eau de lavage entre le tambour de lavage (4) et le trajet de circulation (11) et la verser sur le linge (Q) ; et le traitement de trempage étant destiné à arrêter l'entraînement de la pompe (12) et tremper le linge (Q) avec l'eau de lavage dans le tambour de lavage (4).
PCT/CN2016/100886 2015-09-30 2016-09-29 Machine à laver WO2017054760A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US15/765,182 US20180298538A1 (en) 2015-09-30 2016-09-29 Washing machine
EP16850384.5A EP3358066A4 (fr) 2015-09-30 2016-09-29 Machine à laver
CN201680057008.9A CN108138428A (zh) 2015-09-30 2016-09-29 洗衣机
KR1020187012068A KR20180057710A (ko) 2015-09-30 2016-09-29 세탁기

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-193923 2015-09-30
JP2015193923A JP2017064078A (ja) 2015-09-30 2015-09-30 洗濯機

Publications (1)

Publication Number Publication Date
WO2017054760A1 true WO2017054760A1 (fr) 2017-04-06

Family

ID=58422686

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/100886 WO2017054760A1 (fr) 2015-09-30 2016-09-29 Machine à laver

Country Status (6)

Country Link
US (1) US20180298538A1 (fr)
EP (1) EP3358066A4 (fr)
JP (1) JP2017064078A (fr)
KR (1) KR20180057710A (fr)
CN (1) CN108138428A (fr)
WO (1) WO2017054760A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019088720A (ja) * 2017-11-17 2019-06-13 日立アプライアンス株式会社 洗濯機
EP3505669B1 (fr) * 2017-12-28 2021-02-17 LG Electronics Inc. Machine à laver et son procédé de commande
KR102459588B1 (ko) * 2018-01-05 2022-10-26 엘지전자 주식회사 세탁기의 제어방법
CN113605040B (zh) * 2020-10-26 2024-03-22 松下家电(中国)有限公司 一种衣物处理设备的进水控制方法
JP2022168538A (ja) * 2021-04-26 2022-11-08 青島海爾洗衣机有限公司 洗濯機
CN114197144B (zh) * 2021-12-23 2022-12-16 珠海格力电器股份有限公司 循环喷淋系统、洗涤装置、洗净控制方法和漂洗控制方法
DE102022207456A1 (de) * 2022-07-21 2024-02-01 E.G.O. Elektro-Gerätebau GmbH Waschmaschine und Verfahren zum Betrieb einer Waschmaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1969076A (zh) * 2004-10-21 2007-05-23 Lg电子株式会社 洗衣机的控制方法
CN101094950A (zh) * 2004-12-30 2007-12-26 Lg电子株式会社 滚筒洗衣机的控制方法
CN101818431A (zh) * 2009-02-27 2010-09-01 海尔集团公司 全自动洗衣机进水控制方法
CN102560951A (zh) * 2012-01-17 2012-07-11 李守林 一种水流循环泡沫洗衣装置及其洗衣方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3401899A1 (de) * 1984-01-20 1985-07-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Trommelwaschmaschine fuer den haushalt
US5161394A (en) * 1991-07-26 1992-11-10 William Felzer Washing machine
JPH0768082A (ja) * 1993-09-03 1995-03-14 Sharp Corp 洗濯機の洗剤投入装置
JPH07328278A (ja) * 1994-06-10 1995-12-19 Matsushita Electric Ind Co Ltd 洗濯機
US5687440A (en) * 1995-04-29 1997-11-18 Daewoo Electronics Co., Ltd Washing method capable of preventing the formation of suds in a washing machine
JP2005304716A (ja) * 2004-04-20 2005-11-04 Hitachi Ltd 電気洗濯機
JP2005304712A (ja) * 2004-04-20 2005-11-04 Hitachi Ltd 電気洗濯機
CN2736400Y (zh) * 2004-05-28 2005-10-26 姜伟 一种节水节能程控滚筒式洗衣机
JP4856902B2 (ja) * 2005-06-16 2012-01-18 日立アプライアンス株式会社 洗濯乾燥機
JP2007275444A (ja) * 2006-04-11 2007-10-25 Hitachi Appliances Inc 洗濯乾燥機
WO2008079070A1 (fr) * 2006-12-22 2008-07-03 Aktiebolaget Electrolux Lave-linge économe en eau, amélioré
JP4750871B2 (ja) * 2009-04-09 2011-08-17 日立アプライアンス株式会社 電気洗濯機
WO2011025311A2 (fr) * 2009-08-27 2011-03-03 Lg Electronics Inc. Procédé de commande d'un lave-linge
JP2012030001A (ja) * 2010-08-03 2012-02-16 Panasonic Corp ドラム式洗濯機
WO2013008362A1 (fr) * 2011-07-08 2013-01-17 パナソニック株式会社 Machine à laver du type à tambour
US8490439B2 (en) * 2011-09-30 2013-07-23 Electrolux Home Products, Inc. Water recirculation and drum rotation control in a laundry washer
JP2014083167A (ja) * 2012-10-23 2014-05-12 Panasonic Corp 洗濯機
JP2015006278A (ja) * 2013-06-26 2015-01-15 パナソニック株式会社 ドラム式洗濯機
JP5771728B2 (ja) * 2014-06-19 2015-09-02 日立アプライアンス株式会社 洗濯機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1969076A (zh) * 2004-10-21 2007-05-23 Lg电子株式会社 洗衣机的控制方法
CN101094950A (zh) * 2004-12-30 2007-12-26 Lg电子株式会社 滚筒洗衣机的控制方法
CN101818431A (zh) * 2009-02-27 2010-09-01 海尔集团公司 全自动洗衣机进水控制方法
CN102560951A (zh) * 2012-01-17 2012-07-11 李守林 一种水流循环泡沫洗衣装置及其洗衣方法

Also Published As

Publication number Publication date
EP3358066A4 (fr) 2019-05-22
KR20180057710A (ko) 2018-05-30
JP2017064078A (ja) 2017-04-06
US20180298538A1 (en) 2018-10-18
CN108138428A (zh) 2018-06-08
EP3358066A1 (fr) 2018-08-08

Similar Documents

Publication Publication Date Title
WO2017054760A1 (fr) Machine à laver
CN108138419B (zh) 洗衣机
KR100625380B1 (ko) 드럼식 세탁기
JPH08299658A (ja) ドラム式洗濯機
JP2018000856A (ja) 洗濯機
WO2016150384A1 (fr) Machine à laver
JP5320113B2 (ja) 洗濯機
WO2016101841A1 (fr) Machine à laver
WO2015178057A1 (fr) Procédé de lavage et machine à laver
JP7144797B2 (ja) 縦型洗濯機
KR102317045B1 (ko) 의류처리장치의 제어방법
JP2013240407A (ja) 洗濯機
WO2020207141A1 (fr) Lave-linge vertical
JP2000037590A (ja) 洗濯機
JP6225337B2 (ja) 洗濯機
JP7164107B2 (ja) 縦型洗濯機
WO2020216252A1 (fr) Lave-linge
KR101010692B1 (ko) 드럼 세탁기
TWI816914B (zh) 洗衣機
JP2023153764A (ja) 縦型洗濯機
JP2010207311A (ja) ドラム式洗濯機
JP2005334412A (ja) 洗濯機
JP2006075478A (ja) ドラム式洗濯機
JP2007117138A (ja) ドラム式洗濯機
JP2020014720A (ja) 縦型洗濯機

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16850384

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 15765182

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20187012068

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2016850384

Country of ref document: EP