WO2020233505A1 - Machine à laver à chargement frontal et son procédé de commande - Google Patents

Machine à laver à chargement frontal et son procédé de commande Download PDF

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Publication number
WO2020233505A1
WO2020233505A1 PCT/CN2020/090437 CN2020090437W WO2020233505A1 WO 2020233505 A1 WO2020233505 A1 WO 2020233505A1 CN 2020090437 W CN2020090437 W CN 2020090437W WO 2020233505 A1 WO2020233505 A1 WO 2020233505A1
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WO
WIPO (PCT)
Prior art keywords
door
inner cylinder
washing machine
drum
mouth
Prior art date
Application number
PCT/CN2020/090437
Other languages
English (en)
Chinese (zh)
Inventor
赵志强
吕佩师
许升
Original Assignee
青岛海尔滚筒洗衣机有限公司
海尔智家股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201910413798.5A external-priority patent/CN112030454B/zh
Priority claimed from CN201910410514.7A external-priority patent/CN111945361B/zh
Application filed by 青岛海尔滚筒洗衣机有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔滚筒洗衣机有限公司
Priority to JP2021568792A priority Critical patent/JP2022540294A/ja
Publication of WO2020233505A1 publication Critical patent/WO2020233505A1/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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/10—Doors; Securing means therefor
    • 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 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the invention relates to the technical field of laundry equipment, in particular to a drum washing machine and a control method thereof.
  • washing machine helps people get rid of the trouble of laundry and brings great convenience to people.
  • washing machines also have certain shortcomings, such as longer time-consuming and larger water consumption.
  • water resources are becoming more and more important as an important natural resource, and people’s awareness of water saving also changes. Therefore, how to realize the water-saving function of the washing machine becomes particularly important.
  • the patent number is 201410215346.3, which is a Chinese invention patent of a drum washing machine.
  • the invention relates to a drum washing machine, including a cabinet with an inner The cylinder and the outer cylinder, a door seal is provided between the outer cylinder and the box body, the inner cylinder is connected with the drive device, the inner cylinder is a non-porous inner cylinder, and the inner cylinder has a small diameter at the bottom of the cylinder and the mouth of the cylinder. A cone with a large diameter. The mouth of the inner cylinder is curved inward.
  • the door seal is provided with a water inlet pipe.
  • the inner cylinder of the present invention is a non-porous inner cylinder. Water can be fed into the inner cylinder through the water inlet pipe provided on the door seal, and water can be discharged during the dehydration process through the shape of the inner cylinder, which can avoid Water is stored between the inner and outer cylinders, which greatly saves washing water consumption.
  • the above-mentioned invention provides a drum washing machine with a non-porous inner tub, but only the inner drum of the existing drum washing machine is designed as a non-porous structure, which has little practical significance. Because laundry must be soaked in a certain amount of washing water, if the soaking effect is to be achieved, a certain amount of water needs to be stored in the non-porous inner cylinder, which will increase the burden on the motor and cause problems such as power consumption.
  • the drum washing machine disclosed in the patent uses a door seal. Since the main function of the door seal is to seal the opening of the outer drum of the washing machine, setting a water inlet duct on the door seal easily affects the sealing effect of the door seal. achieve.
  • the purpose of the present invention is to provide a drum washing machine. Specifically, the following technical solutions are adopted:
  • a drum washing machine including:
  • the inner tube door one side of the inner tube door is rotatably installed on the tube mouth of the inner tube through the inner tube door hinge, the inner tube door turns to close the tube mouth of the inner tube to form an independent washing chamber, and the washing water is independently contained when washing clothes;
  • the inner tube door hinge has a avoiding part for increasing the opening angle of the inner tube door.
  • the inner tube door hinge includes a rotating shaft and a connecting arm, the connecting arm is relatively rotatably mounted on the rotating shaft, the inner tube door is fixedly connected to the connecting arm; the avoiding portion is arranged at The connecting arm.
  • the connecting arm has a first end rotatably assembled with the rotating shaft and a second end assembled with the inner cylinder door, and the first end and the second end are bent and arranged to form an escape portion.
  • an elastic member is provided on the rotating shaft, and the elastic end of the elastic member abuts on the connecting arm, and the elastic member exerts an elastic force to keep the inner tube door closed when the inner tube door is closed;
  • the elastic member is a torsion spring.
  • the inner cylinder door and/or the inner cylinder is provided with a suction device for sucking the inner cylinder door when the inner cylinder door is closed.
  • the suction device is provided on the inner cylinder door, and the cylinder mouth of the inner cylinder is provided with a sucked body that can be sucked by the sucking device, or at least the cylinder mouth of the inner cylinder is sucked by the sucking device.
  • a sucked body that can be sucked by the sucking device, or at least the cylinder mouth of the inner cylinder is sucked by the sucking device.
  • the attracting device is a permanent magnet or an electromagnet, a permanent magnet or a magnetic body made of a magnetic material is arranged on the mouth of the inner cylinder, or the mouth of the inner cylinder is made of a magnetic material, or The inner cylinder is made of magnetic material;
  • the attraction device is a permanent magnet
  • the inner cylinder is made of stainless steel.
  • the suction device is arranged on the mouth of the inner cylinder, the inner cylinder door is provided with a sucked body that can be sucked by the sucking device, or the inner cylinder door includes a suction device that can be sucked The sucked material is made into the inner cylinder door panel.
  • the attraction device is a permanent magnet or an electromagnet, a permanent magnet or a magnetic body made of magnetic material is arranged on the inner cylinder door, or the inner cylinder door includes an inner cylinder door panel made of magnetic material ;
  • the attraction device is a permanent magnet, and a metal body is correspondingly provided on the inner cylinder door.
  • the suction device includes a plurality of suction devices, which are distributed along the circumference of the inner cylinder door and/or the cylinder mouth of the inner cylinder.
  • the objective of the present invention is to provide a drum washing machine and a control method thereof. Specifically, the following technical solutions are adopted:
  • a drum washing machine including:
  • the inner cylinder door can be opened/closed and installed on the mouth of the inner cylinder;
  • And detection device used to detect whether the inner cylinder door is closed in place
  • an independent washing chamber is formed together with the inner cylinder, and washing water is independently contained when washing clothes.
  • the detection device includes a detection terminal, the detection terminal is arranged on the barrel mouth of the inner cylinder, and the detection terminal has a first physical state corresponding to the opening of the inner cylinder door and a corresponding sign that the inner cylinder door is closed. The second physical state.
  • the detection terminal is a detection switch
  • the detection switch is arranged at the barrel mouth of the inner cylinder
  • the detection switch has a first physical state of normally open/normally closed and triggers the inner cylinder door when the inner cylinder door is closed.
  • the second physical state that is closed/opened.
  • the detection device includes a detection terminal, the detection terminal is arranged on the barrel mouth of the inner cylinder, and the detection terminal can generate a first signal corresponding to the opening of the inner cylinder door and a corresponding signal that represents the closing of the inner cylinder door.
  • the second signal is a detection terminal, the detection terminal is arranged on the barrel mouth of the inner cylinder, and the detection terminal can generate a first signal corresponding to the opening of the inner cylinder door and a corresponding signal that represents the closing of the inner cylinder door. The second signal.
  • one side of the inner cylinder door is rotatably installed on the cylinder mouth of the inner cylinder through an inner cylinder door hinge, and the detection terminal is arranged on the cylinder mouth of the inner cylinder at a position close to the hinge of the inner cylinder door, and When the inner cylinder door is closed, the detection terminal is in contact with the inner cylinder door hinge;
  • the inner tube door hinge includes a connecting arm, the connecting arm is relatively rotatably mounted on a rotating shaft, the inner tube door is fixedly connected to the connecting arm, and the detection terminal is arranged in the inner tube. At the position of the cylinder mouth near the connecting arm, the detection terminal contacts the connecting arm when the inner cylinder door is closed.
  • the detection device includes a main body, a communication module for communicating with the main control board of the washing machine is arranged on the main body, and the communication module is arranged on the inner cylinder;
  • the wireless communication connection between the communication module and the main control board of the washing machine is used to send a detection signal to the main control board of the washing machine.
  • the detection terminal is electrically connected to the communication module
  • the detection terminal and the communication module are communicatively connected through a data line; a sheath for the passage of the data line is installed on the barrel mouth of the inner cylinder.
  • a power supply module is further provided on the main body, and the power supply module is electrically connected with the communication module;
  • the power supply module is a power supply battery, or the power supply module is a wireless charging module;
  • the communication module and/or the power supply module are arranged in the inner cylinder or outside the inner cylinder;
  • the communication module and/or the power supply module are arranged on the inner wall of the inner cylinder or in the lifting device of the inner cylinder.
  • a method for controlling the drum washing machine receives a detection signal from a detection device to determine whether the inner drum door is closed in place.
  • the drum washing machine receives the control instruction to start the washing program, it obtains the detection signal of the detection device to determine whether the inner drum door is closed in place, if it is, the washing program is started, if not, the washing program is suspended;
  • the detection signal of the detection device is obtained to determine whether the inner drum door is closed in place, if yes, the washing program is continued, and if not, the washing program is suspended.
  • the inner drum door is installed on the mouth of the inner drum, and the inner drum adopts a non-porous drum design.
  • the two together form an independent washing chamber.
  • the washing water is stored independently, eliminating the need for the inner drum and the outer drum.
  • Filling with washing/rinsing water greatly reduces the washing water consumption of the washing machine; avoids the possibility of dirt adhesion between the inner tube and the outer tube; greatly improves user health and user experience, and greatly saves water Resources.
  • the drum washing machine of the present invention has an inner drum door installed at the mouth of the inner drum, and the hinge of the inner drum door of the present invention has a avoiding part, so that the inner drum door has a larger opening angle. The opening of the door interferes with the shell of the drum washing machine.
  • Figure 1 is a three-dimensional schematic diagram of the drum washing machine of the first, second and third embodiments of the present invention (the door is closed);
  • Figure 2 is a three-dimensional schematic diagram of the drum washing machine of the first, second and third embodiments of the present invention (the door is opened);
  • Figure 3 is a front view of the drum washing machine of the first, second and third embodiments of the present invention (with the door closed);
  • Figure 4 is a front view of the drum washing machine of the first, second, and third embodiments of the present invention (the door is opened);
  • Fig. 5 is a cross-sectional view of the drum washing machine according to the first, second, and third embodiments of the present invention along the plane A-A in Fig. 3;
  • Figure 6 is a partial enlarged view of Figure 5 of the drum washing machine in the second embodiment of the present invention.
  • Fig. 7 is a partial enlarged view 1 of Fig. 6 of the drum washing machine in the second embodiment of the present invention.
  • Fig. 8 is a partial enlarged view 1 of Fig. 7 of the drum washing machine in the second embodiment of the present invention.
  • FIG. 9 is a partial enlarged view 2 of FIG. 7 of the drum washing machine in the second embodiment of the present invention.
  • Fig. 10 is a partial enlarged view of Fig. 5 of the drum washing machine in the third embodiment of the present invention.
  • Fig. 11 is a partial enlarged view 1 of Fig. 10 of the drum washing machine in the third embodiment of the present invention.
  • FIG. 12 is a partial enlarged view 2 of FIG. 10 of the drum washing machine in the third embodiment of the present invention.
  • Figure 13 is a schematic structural view of the inner drum door of the drum washing machine in the third embodiment of the present invention.
  • FIG. 14 is a schematic structural view of the inner drum door shaft of the drum washing machine in the third embodiment of the present invention.
  • Figure 15 is a partial enlarged view of the inner drum door of the drum washing machine in the third embodiment of the present invention.
  • Figure 16 is a schematic diagram of the installation of the inner drum door hinge of the drum washing machine in the fourth embodiment of the present invention.
  • Figure 17 is a partial enlarged view of the inner drum door of the drum washing machine in the fourth embodiment of the present invention.
  • Figure 18 is a schematic diagram of the principle of a drum washing machine according to the fifth embodiment of the present invention.
  • Figure 19 is a partial enlarged view of the inner drum door of the drum washing machine in the fifth embodiment of the present invention.
  • Fig. 20 is a schematic diagram of the principle of a drum washing machine in the sixth embodiment of the present invention.
  • Fig. 21 is a schematic diagram of the principle of a drum washing machine in the seventh embodiment of the present invention (Embodiment 1);
  • Figure 22 is a schematic diagram of the principle of the drum washing machine in the seventh embodiment of the present invention (the second embodiment);
  • Fig. 23 is a schematic diagram of the principle of a drum washing machine according to the seventh embodiment of the present invention (the third embodiment);
  • Figure 24 is a schematic diagram of the principle of the drum washing machine in the eighth embodiment of the present invention.
  • Figure 25 is a partial enlarged view (pressure relief state) in Figure 24 of the drum washing machine of the eighth embodiment of the present invention.
  • Fig. 26 is a partial enlarged view in Fig. 24 of the drum washing machine of the eighth embodiment of the present invention (pressurized state);
  • Figure 27 is a schematic diagram of the principle of the drum washing machine in the ninth embodiment of the present invention.
  • Fig. 28 is a partial enlarged view in Fig. 27 of the drum washing machine in the ninth embodiment of the present invention (pressure relief state in the first embodiment);
  • Fig. 29 is a partial enlarged view in Fig. 27 of the drum washing machine according to the ninth embodiment of the present invention (pressurization state in the first embodiment);
  • Fig. 30 is a partial enlarged view in Fig. 27 of the drum washing machine according to the ninth embodiment of the present invention (pressure relief state in the second embodiment);
  • Fig. 31 is a partial enlarged view of Fig. 27 of the drum washing machine according to the ninth embodiment of the present invention (pressurization state in the second embodiment).
  • this embodiment provides a front-opening drum washing machine with a non-porous inner tub.
  • the structure is simple and can greatly reduce the need for filling washing/rinsing water between the inner tub and the outer tub.
  • the washing water consumption of the washing machine The possibility of dirt adhesion between the inner cylinder and the outer cylinder is avoided.
  • the drum washing machine of this embodiment has a housing 19, which includes: an upper panel 2, a front panel, a back panel and a bottom plate. A foot 9 is fixed on the bottom plate to support the entire washing machine.
  • the housing 19 has an outer cylinder 18 inside, and an inner cylinder 17 is coaxially arranged in the outer cylinder 18.
  • the main purpose of the outer cylinder 18 is to collect the drainage from the inner cylinder 17 and the drainage from the high-speed centrifugal dehydration of the inner cylinder 17.
  • the inner cylinder 17 rotates.
  • a lifting rib 43 is provided to continuously lift and drop and beat the clothes, so as to wash the clothes.
  • the inner cylinder 17 has a non-porous structure.
  • the outer cylinder 18 has a central mounting hole, and the bearing 12 is installed and fixed.
  • the inner cylinder shaft 13 tightly connected to the inner cylinder 17 passes through the bearing 12 shown and is connected to the drive motor 16.
  • An openable/closable inner cylinder door 6 is installed on the front mouth of the inner cylinder 17, thereby realizing the inner cylinder 17 as a sealed cabin structure.
  • a door 5 that can be opened/closed is installed on the housing 19 of this embodiment.
  • a drum washing machine in this embodiment includes:
  • the inner cylinder door 6, which can be opened/closed and installed on the mouth of the inner cylinder 17;
  • the inner tube 17 and the inner tube door 6 jointly form an independent washing chamber, and the washing water is independently contained when washing clothes.
  • the inner tube door 6 is installed on the mouth of the inner tube 17, and the inner tube 17 adopts a non-porous tube design.
  • the two together form an independent washing chamber.
  • the washing/rinsing water is filled between the inner tube and the outer tube, which greatly reduces the washing water consumption of the washing machine; avoids the possibility of dirt adhesion between the inner tube and the outer tube; greatly improves the health and user experience of the user. Great savings in water resources.
  • the inner tube 17 described in this embodiment is a non-porous tube, and one side edge of the inner tube door 6 is rotatably mounted on the opening of the inner tube 17 through an inner tube door hinge.
  • the inner tube door 6 rotates to close the inner tube
  • the barrel mouth and the inner barrel together form an independent washing chamber.
  • the inner cylinder door 6/inner cylinder 17 has an inner cylinder door lock hole on the edge opposite to the hinge, and the inner cylinder door lock tongue is correspondingly provided on the cylinder mouth/inner cylinder door. 601.
  • the lock tongue 601 of the inner cylinder door locks and cooperates with the lock hole of the inner cylinder door.
  • the drum washing machine also includes an inner drum door frame, which is installed on the opening of the inner drum 17 on the inner drum door frame, and the inner drum door 6 can be opened/closed and installed on the inner drum door frame.
  • an inner drum door frame which is installed on the opening of the inner drum 17 on the inner drum door frame, and the inner drum door 6 can be opened/closed and installed on the inner drum door frame.
  • the inner cylinder door 6 is provided with a sealing device for sealing the mouth of the inner cylinder 17 when the inner cylinder door 6 is closed.
  • the sealing device includes a sealing ring matching the shape of the mouth of the inner cylinder 17.
  • the drum washing machine further includes a housing 19 and an outer cylinder 18 arranged in the housing 19 coaxially with the inner cylinder 17.
  • the housing 19 has an opening corresponding to the mouth of the outer cylinder. Install a door 5 that can be opened/closed on the opening.
  • one side edge of the door 5 is rotatably mounted on the opening of the housing 19 through a door hinge 33; the opening edge of the housing 19 is provided with a door on the side opposite to the hinge of the door 6
  • the lock hole, the door 19 is provided with a door lock hole tongue 503 that matches the door lock hole.
  • the outer cylinder 18 is provided with a sealing gasket 35 on the mouth of the outer cylinder 18 which is in sealing contact with the inner wall of the housing 19 to prevent the dripping of wet clothes or the tiny water mist splashed by centrifugal drainage from entering the housing 19.
  • a drainage port is provided on the side wall of the inner cylinder 17, and a centrifugal valve for keeping the drainage port normally closed is provided on the drainage port. When the set value is exceeded, the drain will be opened to drain.
  • a drum washing machine in this embodiment includes:
  • the inner cylinder door 6, which can be opened/closed and installed on the mouth of the inner cylinder 17;
  • a sealing device is arranged between the mouth of the inner cylinder 17 and the inner cylinder door 6.
  • the mouth of the inner cylinder 17 is kept sealed by the sealing device.
  • the inner cylinder 17 and the inner cylinder door 6 together form an independent washing chamber , When washing clothes, separate washing water.
  • the drum washing machine of this embodiment realizes that the inner drum door 6 keeps the inner drum 17 sealed closed when the inner drum door 6 is closed, so that the washing water is only in the inner drum during washing or rinsing, preventing the inner drum from leaking and affecting the washing effect and even causing the washing machine. unable to work properly.
  • the sealing device described in this embodiment includes an axial sealing device 37 that seals along the central axis of the inner cylinder.
  • the axial sealing device 37 includes The axial seal on the inner cylinder door 6/on the edge of the inner cylinder 17 and the corresponding axial seal fitting portion provided on the inner cylinder’s mouth edge/on the inner cylinder door, the axial seal is It maintains sealing contact with the axial sealing fitting part along the central axis of the inner cylinder.
  • an axial sealing device 37 is provided between the inner cylinder door and the cylinder mouth of the inner cylinder, so that the axial seal between the inner cylinder door 6 and the cylinder mouth of the inner cylinder 17 is realized.
  • the axial seal is installed on the inner cylinder door 6 and includes a bent portion 3702 and a sealing portion 3703; the axial seal matching portion is an annular groove 36 provided on the edge of the inner cylinder 17 When the inner cylinder door 6 is closed, the curved portion 3702 bends and deforms to force the sealing portion 3703, and the sealing portion 3703 maintains sealing contact with the annular sink 36 for axial sealing.
  • the axial seal 37 further includes a base 3701. One end of the bent portion 3702 is connected with the base 3701, and the other end is connected with the sealing portion 3703; the inner cylinder door 6 is provided with an annular mounting groove , The base 3701 is installed in the annular installation groove.
  • the base 3707, the curved portion 3702 and the sealing portion 3703 are integrally formed.
  • the base 3701 described in this embodiment is an annular base block, the curved portion 3702 has at least one bending arm along the central axis of the inner cylinder 17, and the sealing portion 3703 includes a bottom with the annular sink 36 Sealing contact surface with parallel walls.
  • the sealing device described in this embodiment includes a radial sealing device 38 that seals along the radial direction of the inner cylinder 17, and the radial sealing device includes a radial seal provided on the inner cylinder door/the edge of the cylinder mouth of the inner cylinder. , And correspondingly arranged on the edge of the cylinder mouth of the inner cylinder/inner cylinder door on the radial sealing mating part, the radial sealing element maintains sealing contact with the radial sealing mating part in the radial direction of the inner cylinder.
  • the radial seal is installed on the outer peripheral wall of the inner cylinder door, and includes a deformed portion 38; the radial seal matching portion is an annular groove 39 provided on the inner wall of the inner cylinder mouth edge; When the inner cylinder door is closed, the deformed portion 38 bends into the annular groove 39, and the deformed portion 38 maintains sealing contact with the annular groove 39 for radial sealing.
  • the deformed portion is a deformable fin made of elastic material
  • the deformed fin is installed on the outer peripheral wall of the inner cylinder door, and the radial height of the annular fin is greater than the outer circumference of the inner cylinder door and the inner cylinder.
  • the distance between the inner walls of the cylinder mouth; the axial thickness of the deformable fin is smaller than the notch width of the annular groove. In this way, it is ensured that the annular fin and the bottom wall of the annular groove maintain sealing contact to realize radial sealing.
  • the axial seal 37 and the radial seal are both annular structures, and the axial seal fitting part and the radial seal fitting part are arranged at On the entire circumference of the inner cylinder door/the cylinder mouth edge of the inner cylinder, the axial seal is kept in sealing contact with the axial sealing mating part to achieve axial sealing on the entire circumference, and the radial sealing element is kept in sealing contact with the radial sealing mating part. Radial seal on the entire circumference.
  • the inner cylinder door includes a door outer cover that covers the mouth of the inner cylinder and a door inner cover that extends in the inner cylinder along the axial direction of the inner cylinder;
  • the axial seal is arranged on the inner wall surface of the door outer cover close to the cylinder mouth of the inner cylinder, and the annular sink is formed by the outer wall of the cylinder mouth edge of the inner cylinder recessed toward the inside of the inner cylinder;
  • the radial sealing element is arranged on the outer peripheral wall of the inner cover of the door, and the annular groove is arranged on the inner peripheral wall of the cylinder mouth edge of the inner cylinder.
  • a drum washing machine in this embodiment includes:
  • the inner cylinder door 6 includes a fixedly connected door outer cover and a door inner cover 602;
  • the inner tube door 6 can be opened/closed and installed on the tube mouth of the inner tube 17. When closed, the inner tube 17 and the inner tube door 6 together form an independent washing chamber, and the washing water is held independently when washing clothes .
  • the door outer cover includes a base cover 603 and a decorative cover 604.
  • the door inner cover 602 is mounted on one side of the base cover 603, and the decorative cover 604 is mounted on The other side of the base cover 603.
  • the inner door cover 602 is fixedly connected to the base cover 603 by screws 42.
  • the decorative cover 604 is clamped on the base cover 603. Specifically, as shown in FIG. 15, the base cover 603 has a card slot 50 therein, and the decorative cover 604 has a claw 51 and a claw 51. Cooperate with the card slot 50 to achieve card connection.
  • the drum washing machine of this embodiment further includes an inner drum door shaft 40, and the inner drum door 6 has a shaft groove 41 for installing the inner drum door shaft.
  • the base cover is provided with a base cover groove
  • the door inner cover is provided with a door inner cover groove
  • the opening of the base cover groove is arranged opposite to the opening of the door inner cover groove to form a shaft. groove.
  • the inner cylinder door shaft 40 includes a first shaft and a second shaft.
  • An elastic element 49 is arranged between the first shaft and the second shaft. Both ends of the elastic element 49 Respectively stop on the first rotating shaft and the second rotating shaft, one end of the first rotating shaft and one end of the second rotating shaft both extend out of the shaft groove for assembly with the rotating shaft hole under the action of the elastic force of the elastic element.
  • the door inner cover 602 and/or the base cover 603 is provided with a sliding groove 46 communicating with the shaft groove, the first rotating shaft and/or the second rotating shaft is provided with a pushing part 47, and the pushing part 47 is arranged in the sliding groove 46 Inside.
  • first sliding groove and a second sliding groove are provided on the outer door cover, the first rotating shaft has a first pushing part arranged in the first sliding groove, and the second rotating shaft has a first pushing part arranged in the first sliding groove.
  • the elastic member is a compression spring.
  • an inner cylinder door lock tongue 601 is provided on the edge of the inner cylinder door 6 opposite to the inner cylinder door shaft, and an inner cylinder door lock hole 43 is correspondingly provided on the cylinder mouth edge of the inner cylinder 17, so The lock tongue 601 of the inner cylinder door is locked and matched with the lock hole 43 of the inner cylinder door.
  • the inner cylinder door handle 45 also includes an inner cylinder door handle 45.
  • the inner cylinder door handle 45 is rotatably mounted on the door outer cover.
  • the inner cylinder door handle 45 has a pushing end that pushes the inner cylinder door latch to retract and unlock.
  • the inner cylinder door 6 has a bolt installation groove
  • the inner cylinder door bolt 601 is telescopically arranged in the bolt installation groove
  • the inner cylinder door bolt and the bolt installation groove are
  • a compression spring 44 is arranged between the inner cylinder door handle and the inner cylinder door handle is rotatably installed on the inner cylinder door.
  • One end of the inner cylinder door handle is the push end acting on the inner cylinder door lock tongue, and the other end is the handle end; Acting on the handle end drives the inner cylinder door handle to rotate, and the pushing end pushes the inner cylinder door lock tongue to retract and unlock with the rotation of the inner cylinder door handle.
  • the inner cylinder door latch has a matching groove 605, and the push end extends into the matching groove 605.
  • the pushing end has a circular arc matching surface, and the inner wall of the side contacting the pushing end in the matching groove is inclinedly arranged.
  • the inner cylinder door 6 is provided with a position detection device for detecting whether the inner cylinder door is closed in place.
  • a drum washing machine in this embodiment includes:
  • the inner tube door 6 one side of the inner tube door 6 is rotatably installed on the tube mouth of the inner tube 17 through the inner tube door hinge.
  • the inner tube door 6 rotates to close the tube mouth of the inner tube 17 to form an independent washing chamber, which is independent when washing clothes Full of washing water;
  • the hinge of the inner cylinder door has an avoiding portion 55 for increasing the opening angle of the inner cylinder door.
  • the inner drum door is installed at the mouth of the inner drum, and the hinge of the inner drum door of this embodiment has a avoiding part, so that the inner drum door has a larger opening angle.
  • the opening of the inner drum door interferes with the shell of the drum washing machine.
  • the inner cylinder door hinge has a rotating shaft 52 and an avoiding portion 55 that avoids the rotating shaft 52 when turning and opening.
  • the inner drum of the drum washing machine in this embodiment adopts a non-porous inner drum, and an inner drum door is installed on the drum mouth of the inner drum, and an independent washing chamber is formed between the inner drum door and the inner drum mouth. Since the inner cylinder door is installed at the mouth of the inner cylinder, the hinge of the inner cylinder door has an avoiding part that avoids the rotating shaft, so that the inner cylinder door has a larger opening angle during the opening process of the door. The opening of the drum door interferes with the shell of the drum washing machine.
  • the inner tube door hinge includes a connecting arm 54 which is rotatably mounted on the rotating shaft 52, and the inner tube door 6 is fixedly connected to the connecting arm 54;
  • the portion 55 is provided on the connecting arm 54.
  • the connecting arm 54 has a first end that is rotatably assembled with the rotating shaft 52 and a second end that is assembled with the inner cylinder door.
  • the first end and the second end are bent and arranged to form an escape portion.
  • an elastic member 53 is provided on the rotating shaft 52, and the elastic end of the elastic member 53 Stopped on the connecting arm 54, the elastic member 53 exerts an elastic force to keep the inner cylinder door 6 closed when the inner cylinder door 6 is closed.
  • an elastic member 53 is provided on the hinge of the inner cylinder door, so that when the inner cylinder door is closed, the elastic member deforms and generates elastic force to keep the inner cylinder door 6 closed.
  • the elastic member 53 is a torsion spring.
  • the inner cylinder door 6 and/or the inner cylinder 17 are provided for sucking the inner cylinder door when the inner cylinder door 6 is closed.
  • the suction device of 6 keeps the inner cylinder door 6 closed through the suction device, thereby maintaining the closed state between the inner cylinder door 6 and the cylinder mouth of the inner cylinder 17.
  • the suction device 57 is provided on the inner cylinder door, and the cylinder mouth of the inner cylinder is provided with a sucked body 56 that can be sucked by the suction device 57, or at least the inner cylinder
  • the mouth of the cylinder 17 is made of a material that can be sucked by the sucking device.
  • the attracting device 57 is a permanent magnet or an electromagnet, and a permanent magnet or a magnetic body made of magnetic material is provided on the mouth of the inner cylinder 17, or the mouth 17 of the inner cylinder is made of a magnetic material. , Or the inner cylinder 17 is made of magnetic material.
  • Permanent magnet A magnet that can maintain its magnetism for a long time. Permanent magnets are hard magnets that are not easy to lose magnetism and are not easy to be magnetized.
  • Magnetic materials Materials that can respond to a magnetic field in a certain way are called magnetic materials. According to the magnetic strength of the material in the external magnetic field, it can be divided into diamagnetic material, paramagnetic material, ferromagnetic material, antiferromagnetic material and ferrimagnetic material. Most materials are diamagnetic or paramagnetic, and they respond weakly to external magnetic fields. Ferromagnetic materials and ferrimagnetic materials are ferromagnetic materials. Generally speaking, magnetic materials refer to ferromagnetic materials.
  • the attraction device is a permanent magnet
  • the inner cylinder is made of stainless steel. In this embodiment, the stainless steel inner cylinder is adsorbed by permanent magnets to maintain the closed state of the inner cylinder door 6.
  • the suction device 57 is provided on the mouth of the inner cylinder 17, and the inner cylinder door 6 is provided with a sucked body 56 that can be sucked by the suction device, or
  • the inner cylinder door 6 includes an inner cylinder door panel made of a material that can be sucked by a suction device 57.
  • the attraction device 57 is a permanent magnet or an electromagnet
  • the inner cylinder door 6 is provided with a permanent magnet or a magnetic body made of magnetic material, or the inner cylinder door 6 includes a magnetic material made of magnetic material.
  • Inner cylinder door panel is a permanent magnet or an electromagnet
  • the attraction device is a permanent magnet, and a metal body is correspondingly provided on the inner cylinder door.
  • the suction device 57 includes multiple, which are distributed along the circumference of the inner cylinder door and/or the inner cylinder mouth, so that the inner cylinder door has a better suction Effect, keep the seal.
  • the magnetic field is generated by controlling the on and off of the electromagnet to absorb the inner cylinder door or the cylinder mouth of the inner cylinder, so that the inner cylinder door and the cylinder mouth of the inner cylinder are kept sealed. Since the inner cylinder rotates under washing conditions, the electromagnet can be powered by wireless power.
  • a drum washing machine in this embodiment includes:
  • the inner cylinder door 6, which can be opened/closed and installed on the mouth of the inner cylinder 17;
  • the inner cylinder door 6 and the inner cylinder 17 together form an independent washing chamber when the inner cylinder door 6 is closed, and the washing water is independently contained when washing clothes.
  • the detection device includes a detection terminal 59, the detection terminal 59 is provided on the barrel mouth of the inner cylinder 17, and the detection terminal 59 has a corresponding sign that the inner cylinder door 6 is opened.
  • the first physical state and the second physical state corresponding to the closure of the inner cylinder door.
  • the detection terminal 59 is a detection switch
  • the detection switch is set at the cylinder mouth of the inner cylinder 17
  • the detection switch has a first physical state of normally open/normally closed and the inner cylinder door is closed when the inner cylinder door is closed.
  • the detection switch of this embodiment is in the normally open state.
  • the detection switch is triggered to turn from the normally open state to the open state. In this way, the open state is maintained when the drum washing machine is not in operation, preventing the detection switch from being turned off all the time and causing electric energy waste.
  • the detection device includes a detection terminal 59, the detection terminal 59 is arranged on the barrel mouth of the inner cylinder, and the detection terminal can generate a corresponding first sign indicating the opening of the inner cylinder door. A signal and a second signal corresponding to the closing of the inner cylinder door.
  • the detection terminal of this embodiment can generate a detection signal, and the detection signal changes when the inner cylinder door is closed and opened.
  • the detection terminal of this embodiment can generate a photoelectric signal or a sound wave signal, which changes when the inner tube door is opened and closed, thereby characterizing the state of the inner tube door.
  • one side of the inner cylinder door 6 is rotatably installed on the cylinder mouth of the inner cylinder 17 through an inner cylinder door hinge, and the detection terminal 59 is arranged on the cylinder mouth of the inner cylinder 17 near the inner cylinder door hinge.
  • the detection terminal 59 is in contact with the hinge of the inner cylinder door.
  • the inner cylinder door hinge includes a connecting arm 54, which is rotatably mounted on the rotating shaft 52, and the inner cylinder door 6 is fixedly connected to the connecting arm 54, and the detection The terminal 59 is arranged on the cylinder mouth of the inner cylinder 17 at a position close to the connecting arm 54, and the detection terminal 59 is in contact with the connecting arm 54 when the inner cylinder door 6 is closed.
  • the detection terminal 59 is close to the connecting arm 54 of the inner tube door hinge.
  • the connecting arm 54 moves when the inner tube door 6 is opened/closed. Since the inner tube door hinge is installed on the edge of the inner tube door 6, it is easier to detect the terminal. 59 installation.
  • the detection device described in this embodiment includes a main body 58, a communication module is provided on the main body 58, the communication module is provided on the inner cylinder 17, and the detection terminal 59 is electrically connected to the communication module.
  • the detection terminal and the communication module are communicatively connected through a data line; a sheath for the passage of the data line is installed on the barrel mouth of the inner cylinder.
  • the sheath of this embodiment is used to protect the data line.
  • the wireless communication connection between the communication module described in this embodiment and the main control board of the washing machine is used to send a detection signal to the main control board of the washing machine.
  • the detection device of this embodiment sends the signal detected by the detection terminal to the main control board of the drum washing machine through the communication module.
  • a power supply module is also provided on the main body 58, and the power supply module is electrically connected with the communication module to realize the power supply of the communication module.
  • the power supply module is a power supply battery, or the power supply module is a wireless charging module.
  • the communication module and/or the power supply module are arranged in the inner cylinder or outside the inner cylinder;
  • the communication module and/or the power supply module are arranged on the inner wall of the inner cylinder or in the lifting device of the inner cylinder.
  • This embodiment also provides a method for controlling the drum washing machine.
  • the drum washing machine receives a detection signal from a detection device to determine whether the inner drum door is closed in place.
  • the drum washing machine receives the control instruction to start the washing program, it obtains the detection signal of the detection device to determine whether the inner drum door is closed in place, if it is, the washing program is started, if not, the washing program is suspended;
  • the detection signal of the detection device is obtained to determine whether the inner drum door is closed in place, if yes, the washing program is continued, and if not, the washing program is suspended.
  • This embodiment mainly solves the problem of how to accurately determine the amount of water in the drum washing machine without holes.
  • the specific solution is as follows:
  • a drum washing machine includes an inner tub 17 and a water inlet pipe connected to the inner tub 17.
  • the inner tub 17 is a non-porous inner tub and contains washing water when washing clothes.
  • a flow sensor 1 for detecting the flow rate of the inlet water is provided on the inlet pipe.
  • a flow sensor 1 is installed on the water inlet pipe to monitor the flow rate when the water enters. When the set water inlet amount is reached, the water inlet valve 20 is closed to complete the water inlet.
  • the flow sensor is used to solve the water inflow problem of the non-porous inner drum washing machine according to the set water level, ensuring the washing effect, simple structure, and convenient operation.
  • the drum washing machine of this embodiment includes a water inlet valve 20 and a detergent box 3.
  • the water inlet pipe includes a first water inlet pipe and a second water inlet pipe.
  • the outlet end of the water inlet valve 20 passes through the first water inlet pipe.
  • the detergent box 3 is connected, and the outlet end of the detergent box 3 is connected to the inner cylinder 17 through a second water inlet pipe, and the flow sensor 1 is arranged on the first water inlet pipe or the second water inlet pipe.
  • the flow sensor 1 is arranged on the first water inlet pipe, so that the detergent in the detergent box can be placed into the flow sensor 1.
  • the drum washing machine of this embodiment includes a main controller 4, and the flow sensor 1 and the main controller 4 are electrically connected through a line.
  • the main controller 4 can collect the water inflow of the inner cylinder 17 in real time to reach the set water inflow, and close the water inlet valve 20.
  • the flow sensor 1 is a rotor flow sensor, or a turbine flow sensor, or an ultrasonic flow sensor, or an electromagnetic flow sensor, or an orifice flow sensor.
  • the flow sensor 1 can be arranged at any position on the water inlet pipeline of this embodiment, and it is preferably arranged at the rear of the water inlet valve 20 to accurately measure the water flow into the sealed inner cylinder 17.
  • the flow sensor 1 is connected to the main controller 4 ,
  • the main controller 4 can collect the water intake of the inner cylinder 17 in real time to reach the set water intake, and close the water intake valve 20.
  • the drum washing machine of this embodiment includes a drive motor 16 and an inner drum shaft 13.
  • the drive motor 16 drives the inner drum through a transmission connection between the inner drum shaft 13 and the inner drum 17.
  • the barrel 17 rotates, the inner barrel shaft 13 has a hollow channel 14 communicating with the inside of the inner barrel 17, and the water inlet pipe communicates with the hollow channel of the inner barrel shaft 13.
  • the inner cylinder shaft 13 is connected to a driving motor 16.
  • the driving motor 16 includes a stator and a rotor, and the rotor is fixedly connected to the inner cylinder shaft 13; a through hole is provided at the center of the rotor, and the water inlet pipe passes through The through hole of the rotor communicates with the hollow channel 14 of the inner cylinder shaft 13.
  • first dynamic sealing structure 15 is provided between the water inlet pipe and the through hole of the rotor, and a second sealing structure is provided between the through hole of the rotor and the hollow passage 14 of the inner cylinder shaft 13.
  • the drum washing machine of this embodiment includes an outer tub 18, an inner tub drain hole is provided on the side wall of the inner tub 17, and a normally closed one-way valve plug 11 is installed on the inner tub drain hole.
  • the said outer cylinder 18 is provided with a jack mechanism 10 for pushing the one-way valve plug 11 to drain water.
  • the outer cylinder 18 is also provided with a locking mechanism for locking the rotation of the inner cylinder 17. After the locking mechanism locks the inner cylinder, the jack mechanism 10 will plug the one-way valve 11 Top open for drainage.
  • a plurality of dehydration holes are provided on the side wall of the inner cylinder 17 in this embodiment, and centrifugal valves are installed on the dehydration holes, and the inner cylinder is controlled to reach a certain speed. The valve is opened under the action of the centrifugal force of the dehydration for washing drainage or dehydration drainage.
  • This embodiment also provides a method for controlling the drum washing machine.
  • the washing machine executes the washing/rinsing procedure.
  • the flow sensor detects the water intake flow value in real time.
  • the washing machine calculates the water intake according to the water intake flow value and the water intake time. , When the water inflow reaches the set water inflow of the washing machine, stop the water inflow.
  • the drum washing machine is provided with multiple inlet water flow values that can be selected by the user, and the washing machine performs water inlet according to the inlet water flow value selected by the user.
  • the drum washing machine has a laundry weighing function, which can determine the flow value of the inlet water according to the weight of the laundry.
  • a drum washing machine of this embodiment includes an inner tube 17 and a water inlet pipe.
  • the inner tube is a non-porous inner tube, which holds washing water when washing clothes, and also includes
  • the water inlet pipeline is connected to the water measuring device, and the water measuring device is connected to the inner cylinder.
  • the drum washing machine of this embodiment is provided with a water measuring device, which enters the water measuring device for quantitative measurement before water is poured into the inner tub 1, and determines the number of times the water measuring device measures water according to the set water level, thereby solving
  • the non-porous inner drum drum washing machine ensures the washing effect according to the water inlet problem of the set water level, and has a simple structure and convenient operation.
  • the water measuring device of this embodiment includes a water measuring tank 21, which has a water inlet and a water outlet, the water inlet is connected to the water inlet pipe, and the water outlet is connected to the inner cylinder 17;
  • a water outlet control device that controls the opening of the water outlet.
  • the water measuring tank 21 is provided at the bottom of the inner cylinder 17, and the water measuring device includes a water level detecting device 22 for detecting the water measuring tank 21,
  • the water outlet control device is a water tank drain pump 23, and the water tank drain pump 23 starts the water tank drain pump 23 when the water level detection device 22 detects that the water level in the water measuring tank 21 reaches a set value. The water is pumped into the inner cylinder 17.
  • the water measuring tank 21 is provided on the upper part of the inner cylinder 17, and the water measuring device includes a water level detecting device 22 for detecting the water measuring tank.
  • the water outlet control device is a water tank drain valve 25.
  • the water tank drain valve 25 opens when the water level detection device 22 detects that the water level in the water measuring tank 21 reaches a set value, and discharges the water in the water measuring tank 21 into the inner cylinder. .
  • the water level detection device 22 in this embodiment is a liquid level sensor.
  • the liquid level sensor includes an air chamber and a sensor unit, and the air chamber is connected to a water measuring tank.
  • the water level detection device 22 includes a plurality of water level detection probes arranged in the water measuring tank and arranged along the depth direction thereof.
  • the water measuring tank 21 is arranged on the upper part of the inner cylinder 17, the water outlet is arranged on the bottom wall of the water measuring tank 21, and the water outlet control device is to keep the water outlet normally closed.
  • the water tank check valve when the water volume in the water tank reaches a certain value, the water tank check valve opens under water pressure gravity, and the water in the water measuring tank 21 is discharged into the inner cylinder 17, and the water tank check valve resets to keep the water outlet closed .
  • the water measuring tank 21 described in this embodiment is provided with an overflow hole 24, and the overflow hole 24 is connected to an overflow pipe for leading out the overflowing water in the water measuring tank.
  • the drum washing machine includes a drain pipe 8, and the overflow pipe is connected to the drain pipe 8.
  • the water measuring device includes a heating device 26 arranged in the water measuring tank 21 and a water temperature detecting device for detecting the water temperature in the water measuring tank.
  • This embodiment also provides a method for controlling the drum washing machine.
  • the washing machine executes the washing/rinsing process, and the washing machine controls the washing water to enter the water metering tank.
  • the water supply is stopped and the metering All the water in the water tank is discharged into the inner cylinder, and the water is started again to enter the water measuring tank, and the cycle is repeated until the water level in the inner cylinder reaches the set value, and the water inflow is ended.
  • the washing machine controls the washing water to enter the measuring water tank.
  • the water volume in the equivalent water tank reaches the set value, it stops the water intake and controls the heating device to run to heat the washing water.
  • the water temperature detection device detects that the water temperature in the measuring water tank reaches When setting the value, drain all the water in the water measuring tank into the inner cylinder.
  • This embodiment mainly solves the problem of how the non-porous inner drum drum washing machine guarantees the unbalanced air pressure of the sealed compartment, specifically, the sudden water cut off of the solenoid valve, especially the water cut off of the tap water pipe network, forms a negative pressure, and returns the washing water in the sealed compartment Wash to the pipe network; or there is gas inside and difficult to enter water.
  • a drum washing machine of this embodiment includes an inner tube 17, which is a non-porous inner tube, which contains washing water when washing clothes, and also includes a tube for communicating the inner tube 17 with the outside world.
  • the air pressure balance mechanism that balances the air pressure inside the inner cylinder.
  • the gas in the sealed compartment of the inner cylinder can overflow through the equalizing mechanism under pressure to ensure air pressure balance.
  • the air pressure balance mechanism can also ensure the air pressure balance of the inner cylinder.
  • the air pressure balancing mechanism includes a pressure equalizing channel 27 provided on the inner cylinder 17, and one end of the pressure equalizing channel 27 connected to the inner cylinder 17 is provided on the inner cylinder 17 close to rotating The position of the central axis is always higher than the highest water level in the inner cylinder 17.
  • the drum washing machine of this embodiment includes a driving motor 16 and an inner drum shaft 13.
  • the driving motor 16 drives the inner drum 17 to rotate through a transmission connection between the inner drum shaft 13 and the inner drum 17, and the pressure equalizing channel 27 is opened in the inner drum.
  • the shaft 13 communicates the inside of the inner cylinder 17 with the external environment, and the highest water level in the inner cylinder 17 is lower than the inner cylinder shaft 13. In this way, the water in the inner cylinder can be prevented from flowing out of the pressure equalizing channel.
  • the drum washing machine of this embodiment includes an outer tub 18, the inner tub 17 is arranged inside the outer tub 18, the water discharged from the inner tub 17 is discharged through the outer tub 18, and the opening of the inner tub 17 is installed to close the inner tub In the cylinder door 6, the cylinder mouth of the outer cylinder 18 is open, one end of the pressure equalization channel 27 is connected to the inside of the inner cylinder 17, and the other end is arranged inside the outer cylinder 18 to communicate with it. In this way, to prevent extreme situations, the water from the hole can also be collected in the outer cylinder 18.
  • the inner cylinder 17 is provided with an inner cylinder drain hole on the side wall of this embodiment, a normally closed one-way valve plug 11 is installed on the inner cylinder drain hole, and the outer cylinder 18 is installed on the one-way valve The plug 11 pushes open the ejector mechanism 10 for draining water.
  • the outer cylinder 18 is also provided with a locking mechanism for locking the inner cylinder from rotating. After the locking mechanism locks the inner cylinder, the ejector mechanism pushes the one-way valve plug to drain.
  • the drum washing machine of this embodiment includes a water inlet pipe, the inner barrel shaft 13 has a hollow channel 14 communicating with the inner barrel 17 and the water inlet pipe communicates with the hollow channel 14 of the inner barrel shaft 13
  • the pressure equalizing channel 27 and the hollow channel 14 are respectively communicated with the inner cylinder 17 and isolated from each other. In this way, it can be ensured that the gas in the sealed compartment of the inner cylinder can be smoothly discharged to maintain the balance of the air pressure inside the inner cylinder, and at the same time, it is prevented that the influent water is directly discharged through the pressure equalizing channel 27 and leaks.
  • the hollow passage 27 extends from one end to the other along the direction of the central axis of the inner cylinder shaft
  • the pressure equalization channel includes a first channel section and a second channel section, and the first channel section is parallel to the hollow channel.
  • One end is connected to the inner cylinder
  • one end of the second channel section is connected with the first channel section
  • the other end extends to the outer peripheral wall of the inner cylinder shaft to communicate with the inside of the outer cylinder.
  • the second channel section is perpendicular to the first channel section to form an L-shaped pressure equalizing channel.
  • the inner cylinder shaft 13 is connected to a driving motor 16.
  • the driving motor 16 includes a stator and a rotor, and the rotor is fixedly connected to the inner cylinder shaft; a through hole is provided at the center of the rotor, and the water inlet pipe passes through the rotor. The through hole is communicated with the hollow channel of the inner cylinder shaft.
  • a first dynamic sealing structure is provided between the water inlet pipe and the through hole of the rotor, and a second sealing structure is provided between the through hole of the rotor and the hollow passage of the inner cylinder shaft.
  • a plurality of dehydration holes are opened on the side wall of the inner tub 17, and centrifugal valves are installed on the dehydration holes, and the centrifugal valves are opened under the action of the dehydration centrifugal force to perform dehydration and drainage.
  • This embodiment mainly solves the problem of how the non-porous inner drum drum washing machine guarantees the unbalanced air pressure of the sealed compartment, specifically, the sudden water cut off of the solenoid valve, especially the water cut off of the tap water pipe network, forms a negative pressure, and returns the washing water in the sealed compartment Wash to the pipe network; or there is gas inside and difficult to enter water.
  • the drum washing machine of this embodiment includes an inner tube 17, which is a non-porous inner tube, which contains washing water when washing clothes, and also includes a tube for connecting the inner tube with the external environment.
  • the pressurizing mechanism described in this embodiment includes a pressurizing port 28 and a negative pressure safety valve 29.
  • the negative pressure safety valve 29 is provided on the pressurizing port 28 and is used when the internal pressure of the inner cylinder 17 is lower than the atmospheric pressure of the external environment. Guided through the pressurizing channel 28, the ambient air enters the inner cylinder 17 through the pressurizing channel 28 to be pressurized until the internal air pressure of the inner cylinder 17 is balanced with the ambient air pressure, and the negative pressure safety valve 29 is closed.
  • the pressure relief mechanism described in this embodiment includes a pressure relief port 30 and a positive pressure safety valve 31.
  • the pressure relief port 30 is arranged on the inner cylinder 17 at a position close to the central axis of rotation and is always higher than the highest in the inner cylinder 17.
  • the positive pressure safety valve 31 is set on the pressure relief port 30, and is used to release the pressure through the one-way pressure relief port 30 when the internal pressure of the inner cylinder 17 is greater than the atmospheric pressure of the outside environment, until the internal pressure of the inner cylinder 17 and the outside The ambient air pressure is balanced, and the positive pressure safety valve 31 is closed.
  • the air pressure balance mechanism can also ensure the air pressure balance of the inner cylinder.
  • the drum washing machine of this embodiment includes a driving motor 16 and an inner drum shaft 13.
  • the driving motor 16 drives the inner drum 17 to rotate through a transmission connection between the inner drum shaft 13 and the inner drum 17, and the pressurization channel 28 and/or drain
  • the pressure channel 30 is opened on the inner cylinder shaft 13 to communicate the inside of the inner cylinder 17 with the external environment, and the highest water level in the inner cylinder 17 is lower than the inner cylinder shaft 13.
  • the drum washing machine of this embodiment includes an outer tub 18, the inner tub 17 is arranged inside the outer tub 18, the water discharged from the inner tub 17 is discharged through the outer tub 18, and an inner tub that closes the inner tub is installed at the mouth of the inner tub 17 Door 6, the cylinder mouth of the outer cylinder 18 is open, one end of the pressure-increasing channel 28 and/or the pressure-relief channel 30 communicates with the inner cylinder 17, and the other end is arranged inside the outer cylinder 18 to communicate with it.
  • the drum washing machine of this embodiment includes a water inlet pipe, the inner barrel shaft 13 has a hollow channel 14 communicating with the inner barrel 17, and the water inlet pipe communicates with the hollow channel 14 of the inner barrel shaft 13;
  • the pressure relief channel 30 and the hollow channel 14 are respectively communicated with the inner cylinder 17 and are separated from each other.
  • the hollow passage 14 extends from one end to the other along the central axis of the inner cylinder shaft 13.
  • the pressure relief port 30 includes a first port section and a second port section.
  • the channel section is arranged in parallel with the hollow channel, one end of which is connected to the inside of the inner cylinder, one end of the second channel section is connected to the first channel section, and the other end extends to the outer peripheral wall of the inner cylinder shaft to communicate with the inside of the outer cylinder;
  • the second tunnel section is perpendicular to the first tunnel section to form an L-shaped pressure relief tunnel.
  • the drum washing machine of this embodiment includes a water inlet pipe, the inner barrel shaft 13 has a hollow channel 14 communicating with the inner barrel 17, and the water inlet pipe communicates with the hollow channel 14 of the inner barrel shaft 13;
  • the pressurizing port 28 is communicated with the hollow passage 14.
  • the hollow passage 14 extends from one end to the other along the direction of the central axis of the inner cylindrical shaft 13, one end of the pressurizing channel 28 is connected to the hollow passage 14, and the other end extends to the outer circumference of the inner cylindrical shaft 13.
  • the wall communicates with the inside of the outer cylinder 18.
  • the pressurizing channel 28 and the hollow channel 14 are arranged perpendicular to each other.
  • the inner cylinder shaft is connected to a drive motor
  • the drive motor includes a stator and a rotor
  • the rotor is fixedly connected to the inner cylinder shaft
  • a through hole is provided at the center of the rotor, and the water inlet pipe passes through the through hole of the rotor It communicates with the hollow channel of the inner cylinder shaft.
  • a first dynamic sealing structure is provided between the water inlet pipe and the through hole of the rotor, and a second sealing structure is provided between the through hole of the rotor and the hollow passage of the inner cylinder shaft.
  • the pressure-increasing channel 28 and the pressure-relief channel 30 are both arranged on the inner cylinder shaft 13, and the openings that communicate with the atmosphere are all inside the outer cylinder 18; the openings of the sealed compartments that communicate with the inner cylinder 17 are all in the inner cylinder
  • the shaft 13 is inside the water inlet channel 14.
  • the preferred pressure-increasing channels 28 and pressure-relief channels 30 are both arranged on the inner cylinder shaft 13, and the openings that communicate with the atmosphere are both inside the outer cylinder 18; the openings of the sealed compartments that communicate with the inner cylinder 17 are all inside the sealed compartment.

Abstract

La présente invention concerne une machine à laver à chargement frontal qui comprend : un tambour intérieur (17) ; et une porte de tambour intérieur (6), un côté de la porte de tambour intérieur (6) étant monté de façon rotative sur une ouverture du tambour intérieur (17) au moyen d'une charnière de porte de tambour intérieur. La porte de tambour intérieur (6) tourne pour fermer l'ouverture du tambour intérieur (17) pour former une chambre de lavage indépendante qui contient indépendamment de l'eau de lavage pendant le lavage de vêtements. La charnière de porte de tambour intérieur a une partie en relief (55) pour augmenter un angle d'ouverture de la porte de tambour intérieur. La charnière de porte de tambour intérieur de la machine à laver à chargement a une partie en relief, de telle sorte que la porte de tambour intérieur ait un angle d'ouverture plus grand, de façon non seulement à faciliter le ramassage et le placement de vêtements mais également à empêcher une interférence entre l'ouverture de la porte de tambour intérieur et une caisse de la machine à laver à chargement frontal.
PCT/CN2020/090437 2019-05-17 2020-05-15 Machine à laver à chargement frontal et son procédé de commande WO2020233505A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021568792A JP2022540294A (ja) 2019-05-17 2020-05-15 ドラム洗濯機及びその制御方法

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Application Number Priority Date Filing Date Title
CN201910413798.5 2019-05-17
CN201910413798.5A CN112030454B (zh) 2019-05-17 2019-05-17 一种滚筒洗衣机及其控制方法
CN201910410514.7A CN111945361B (zh) 2019-05-17 2019-05-17 一种滚筒洗衣机
CN201910410514.7 2019-05-17

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WO2020233505A1 true WO2020233505A1 (fr) 2020-11-26

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CN108796960A (zh) * 2017-05-03 2018-11-13 李秀荣 一种滚筒式洗衣机
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CN111088658A (zh) * 2018-10-23 2020-05-01 青岛海尔滚筒洗衣机有限公司 一种滚筒洗衣机及其控制方法
CN111088657A (zh) * 2018-10-23 2020-05-01 青岛海尔滚筒洗衣机有限公司 一种滚筒洗衣机及其控制方法
CN111088656A (zh) * 2018-10-23 2020-05-01 青岛海尔滚筒洗衣机有限公司 一种滚筒洗衣机

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