WO2017045649A1 - 洗衣机及洗衣机的控制方法 - Google Patents
洗衣机及洗衣机的控制方法 Download PDFInfo
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- WO2017045649A1 WO2017045649A1 PCT/CN2016/099256 CN2016099256W WO2017045649A1 WO 2017045649 A1 WO2017045649 A1 WO 2017045649A1 CN 2016099256 W CN2016099256 W CN 2016099256W WO 2017045649 A1 WO2017045649 A1 WO 2017045649A1
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- Prior art keywords
- water
- washing machine
- dewatering tub
- dewatering
- baffle
- Prior art date
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- 238000005406 washing Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 226
- 238000004891 communication Methods 0.000 claims abstract description 14
- 230000018044 dehydration Effects 0.000 claims description 43
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Images
Classifications
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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
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/24—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a vertical axis
- D06F37/245—Damping vibrations by displacing, supplying or ejecting a material, e.g. liquid, into or from counterbalancing pockets
-
- 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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/48—Preventing or reducing imbalance or noise
-
- 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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/16—Imbalance
-
- 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
- D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/14—Supply, recirculation or draining of washing liquid
-
- 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
- D06F2103/26—Imbalance; Noise level
-
- 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
- D06F2103/38—Time, e.g. duration
-
- 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
- D06F2105/02—Water supply
Definitions
- the present invention relates to a washing machine and a washing machine control method, which can eliminate the imbalance of the dewatering tub in a state in which the dewatering tub is rotated continuously, and suppress vibration and noise caused by the eccentricity of the dewatering tub during dehydration.
- the laundry is biased in the dewatering tub during dehydration to generate vibration and noise.
- This vibration and noise may develop into disputes due to the installation place of the washing machine and the surrounding environment.
- the eccentricity of the dewatering tub at the time of rotation becomes large, and a large torque is required for the rotation, so that the dehydration operation cannot be started.
- Patent Document 1 a technique is disclosed in which the amount of unbalance and the unbalanced position of the laundry in the washing tub are detected at the time of dehydration, and in the case where there is an imbalance, braking is applied to the rotation of the washing tub to lower the centrifugal force. The mass of the clothes constituting the cause of the imbalance is dropped and dispersed by gravity.
- Patent Document 2 a technique is disclosed in which it is determined whether there is an imbalance of the washing and dewatering tubing at the time of low-speed rotation, and when the imbalance is detected, the motor is stopped, and the washing dewatering tank is filled with water to unpack the laundry group. Block to eliminate imbalance.
- the unbalance detection and the dispersion operation can be performed only at the time of the low-speed rotation of the dewatering tub, and it is possible to cause the imbalance again due to the influence of the type of the clothes, etc. after the spin-drying barrel is rotated at a high speed. .
- Patent Document 2 since the rotation of the dewatering tub is decelerated or stopped when the imbalance is detected, it is necessary to start the electric power every time the dehydration operation is repeated, and there is a problem that power consumption increases. Moreover, in Patent Document 2, in addition to an increase in power consumption, there is a problem that the amount of water is increased.
- Patent Document 1 Japanese Patent Laid-Open No. Hei 9-290089
- Patent Document 2 Japanese Patent No. 5650927
- An object of the present invention is to provide a method for controlling a washing machine and a washing machine, which can increase the size and complexity of the structure suppressing device provided in the conventional washing machine, and dehydrate the barrel even during dehydration operation.
- the offset of the laundry can also eliminate the imbalance of the dewatering bucket without decelerating or stopping the rotation, and suppress the generation of vibration and noise caused by the eccentricity of the dewatering bucket.
- the present invention has been made in view of the above problems.
- the washing machine of the present invention includes: a dewatering tank in which a pulsator is disposed at the bottom; and a water conduit portion that is disposed at three equal intervals in the circumferential direction with respect to the inner circumferential surface of the dewatering tub, and a circulation opening is formed near the bottom portion and a circulation nozzle is formed at an upper end portion; a water receiving ring unit is fixed to an upper end portion of the dewatering tub, and is formed by overlapping a plurality of annular water guiding grooves, and the plurality of annular guides
- the water tank is connected to the upper end portion of each of the water conduit portions via the communication member, and the nozzle unit is capable of separately injecting the adjustment water into each of the water conduits.
- the present invention preferably connects the communication member at a position higher than the circulation nozzle, and the water conduit portion has a position extending from the connection member and the circulation nozzle to the A spacer in the vicinity of the inner circumferential surface of the dewatering tub.
- the water receiving ring unit is disposed on an inner circumferential surface of the dewatering tub, and is formed by overlapping the plurality of water guiding grooves in a radial direction of the dewatering tub.
- the water receiving ring unit is disposed on an inner circumferential surface of the dewatering tub, and is formed by overlapping the plurality of water guiding grooves in the vertical direction.
- the present invention is a control method of the above-described washing machine, characterized in that, during dehydration, adjusting water is injected from the nozzle unit into any one of the water guiding units of the water receiving ring unit, and via the communication The member supplies the adjustment water to the water conduit portion.
- the washing water in the washing process, since the washing water is stirred up by the pulsator, it enters from the opening near the bottom and passes through the water pipe portion, and is discharged from the circulating water port, so that the washing water circulated in the dewatering tank The laundry is washed in the same manner as before.
- the adjustment water By separately injecting the adjustment water from the nozzle unit into any of the water conduits of the water ring unit that rotates integrally with the dewatering tub, the adjustment water can be supplied to the water conduit portion via the communication member, and the adjustment water is attached to the dewatering bucket by centrifugal force. The inner peripheral surface side is retained in the water conduit portion, and the weight of the water conduit portion is adjusted.
- the washing water agitated upward by the pulsator is guided by the spacer to be properly discharged from the circulation nozzle, and, during the dehydration, the spacer can be removed from the spacer
- the gap between the inner peripheral surface of the dewatering tub is stably supplied to the water supplied through the water receiving ring unit toward the lower portion of the water conduit portion.
- the plurality of water guides are overlapped in the radial direction of the dewatering tub, it is possible to realize a structure in which all the water guides can be opened upward, and the separate water injection from the nozzle unit to the respective water guides can be easily performed. .
- the lateral width of the water receiving ring unit can be reduced, and the opening of the dewatering tub can be enlarged.
- the deceleration can be stopped or the dehydration can be stopped.
- the rotation of the tub eliminates the imbalance of the dewatering tub in a state of continuous normal dehydrating operation, and can suppress the generation of vibration and noise caused by the eccentricity of the dewatering tub.
- Fig. 1 is a perspective view showing an appearance of a washing machine in accordance with an embodiment of the present invention.
- Fig. 2 is a schematic view showing the structure of the same washing machine.
- Fig. 3 is a partial longitudinal sectional perspective view of the same washing machine.
- Fig. 4 is a view of a part of the same washing machine as viewed from above.
- Fig. 5 is a partial longitudinal sectional view of the same washing machine.
- Figure 6 is a block diagram of the electrical system of the same washing machine.
- Fig. 7 is a flow chart showing the flow of control in the dehydration process of the same washing machine.
- Fig. 8 is a flow chart showing the flow of control in the dehydration process of the same washing machine.
- Fig. 9 is a view for explaining a control flow in a dehydration process of the same washing machine.
- FIG. 1 is a perspective view showing an appearance of a vertical washing machine (hereinafter referred to as "washing machine") 1 according to an embodiment of the present invention.
- FIG. 2 is a schematic view showing a configuration of the washing machine 1 of the present embodiment.
- Fig. 3 is a partial longitudinal sectional perspective view of the washing machine 1 of the embodiment.
- 4 is a view of a part of the washing machine 1 of the present embodiment as seen from above.
- FIG. 4( a ) is a plan view
- FIG. 4( b ) is a cross-sectional view of the dewatering tub 2 of the washing machine 1 .
- Fig. 5 is a partial longitudinal sectional view of the washing machine 1 of the embodiment.
- the washing machine 1 of the present embodiment includes a washing machine body 1a, an outer tub 3, a dewatering tub 2, a water receiving ring unit 5, a nozzle unit 6, a driving unit 40, and a control unit (see Fig. 6).
- the washing machine body 1a shown in Fig. 1 has a substantially rectangular parallelepiped shape.
- An opening 11 for taking in and taking out the laundry to the dewatering tub 2 is formed on the upper surface 10a of the washing machine main body 1a, and an opening and closing cover 11a capable of opening and closing the opening 11 is attached.
- the outer tub 3 is a bottomed cylindrical member disposed inside the main body 1a of the washing machine, and can store washing water inside. As shown in FIG. 2, an acceleration sensor 12 capable of detecting acceleration in both horizontal and vertical directions is attached to the outer peripheral surface 3a of the outer tub 3.
- the dewatering tub 2 is a bottomed cylindrical member that is disposed coaxially with the outer tub 3 and that is rotatably supported in the outer tub 3 .
- the dewatering tub 2 can accommodate laundry therein, and its wall surface 2a has a plurality of water passing holes 2b (refer to Fig. 3).
- a pulsator (stirring blade) 4 is rotatably disposed in the center of the bottom portion 2c of the dewatering tub 2, a pulsator (stirring blade) 4 is rotatably disposed.
- the pulsator 4 has a pulsator main body 4b having a substantially disk shape, a plurality of upper blade portions 4c formed on the upper surface of the pulsator main body 4b, and a plurality of lower blades formed on the lower surface of the pulsator main body 4b. Part 4a.
- Such a pulsator 4 agitates the washing water stored in the outer tub 3 to generate a water flow.
- baffles (water injection pipes) 7 as water passage portions are provided at equal intervals (equal angles) in the inner circumferential surface 2a1 of the dewatering tank 2.
- Each of the baffles 7 is formed to extend from the bottom portion 2c of the dewatering tub 2 to the upper end portion in the up and down direction, and protrudes from the inner peripheral surface 2a1 of the dewatering tub 2 toward the axis S1.
- each of the baffles 7 is hollow and has a cross-sectional shape formed in an arc shape.
- the shape of the baffle plate 7 is such that the protrusion to the axis S1 of the dewatering tub 2 is small and widens in the circumferential direction of the dewatering tub 2, whereby the accommodation space of the dewatering tub 2 can be suppressed from being narrow.
- the washing water circulates in the dewatering tank 2. That is, the baffle 7 has a function of circulating washing water. It should be noted that the water conduit portion having the opening portion 71 and the circulation nozzle 70 and capable of flushing is also applicable to the conventional washing machine, but usually only one is provided.
- a spacer 7a extending from the position where the communicating members 5a1, 5b1, and 5c1 are connected to the circulating water inlet 70 to the inner circumferential surface 2a1 of the dewatering tub 2 is provided. .
- the spacer 7a extends from the upper end edge of the circulation nozzle 70, and its free end 7a1 side is bent downward.
- a gap 7b (see FIG. 2) is formed between the free end 7a1 of the spacer 7a and the inner peripheral surface 2a1 of the dewatering tub 2, and the water to be described later supplied from the water receiving ring unit 5 flows downward through the gap 7b.
- the water receiving ring unit 5 is constituted by an annular water guiding groove 5a, 5b, 5c (see FIG. 4(a)) that is open upward toward the upper side, and is formed by superposing three layers in the radial direction toward the axis S1 of the dewatering tub 2, as shown in FIG. As shown, it is fixed to the upper end portion of the inner peripheral surface 2a1 of the dewatering tub 2.
- the water guiding grooves 5a, 5b, 5c are provided in the same number as the baffles 7, and a water passing path for separately flowing the regulating water to any one of the baffles 7 is formed inside.
- the size and shape of such a water receiving ring unit 5 is substantially the same as that of a known liquid balancer attached to a conventional washing machine.
- the liquid balancer instead of the liquid balancer, it is attached to the mounting position of the ordinary liquid balancer.
- the liquid balancer has a function of passively eliminating the imbalance of the dewatering tub 2 at the time of dehydration, as described below, the effect is small as compared with the water receiving ring unit 5 capable of actively eliminating the imbalance of the dewatering tub 2.
- Such a water receiving ring unit 5 and an upper end portion of the baffle 7 pass through the communication members 5a1, 5b1, 5c1, respectively. connection.
- the communication members 5a1, 5b1, and 5c1 are connected to the baffle 7 at a position above the circulation nozzle 70.
- the nozzle unit 6 is a unit that separately injects the adjustment water into such water guiding grooves 5a, 5b, and 5c.
- the nozzle unit 6 has three water injection nozzles 6a, 6b, and 6c disposed above the water guides 5a, 5b, and 5c, and water supply valves 26a, 26b, and 26c that are respectively connected to the water injection nozzles 6a, 6b, and 6c.
- the water injection nozzles 6a, 6b, and 6c are disposed in the same number as the water guides 5a, 5b, and 5c, and are disposed at positions where water can be injected into the respective water guides 5a, 5b, and 5c.
- tap water can be used as a water adjustment.
- a reversing water supply valve may be employed as the water supply valves 26a, 26b, and 26c.
- the water receiving nozzle is injected from any of the water injection nozzles 6a, 6b, 6c of the nozzle unit 6 during the dehydration process in which the drain valve 50a is opened to discharge the washing water in the outer tub 3 from the drain port 50.
- the adjustment water in the water guiding grooves 5a, 5b, and 5c of the unit 5 flows into the baffle 7 via the communicating members 5a1, 5b1, and 5c1.
- the adjustment water flows into the baffle 7 from the water guide 5c via the communication member 5c1 as indicated by an arrow in FIG.
- the baffle 7 is a pocket baffle structure capable of retaining water by centrifugal force. Further, when the dehydration process is nearing completion and the rotation speed of the dewatering tub 2 is lowered, the centrifugal force in the baffle plate 7 is gradually attenuated, the adjustment water flows out from the opening portion 71 by gravity, and is discharged to the outside of the tub 3 via the drain pipe 5. At this time, the adjusted water flows into the lower side of the pulsator main body 4b via the opening 71. Therefore, the water is adjusted so as not to wet the laundry located above the pulsator main body 4b.
- the driving unit 40 shown in FIG. 2 rotates the pulleys 15 and 15 and the belt 15b by the motor 10, and rotates the drive shaft 17 that protrudes toward the bottom portion 2c of the dewatering tub 2, thereby imparting driving force to the dewatering tub 2 and the pulsator 4.
- the dewatering tank 2 and the pulsator 4 are rotated.
- the washing machine 1 mainly rotates only the pulsator 4 during the washing process, and the dewatering tub 2 and the pulsator 4 are integrally rotated at high speed during the dehydration process.
- a proximity switch 14 is provided in the vicinity of one of the pulleys 15, and the proximity switch 14 can detect the passage of the mark 15a formed on the pulley 15.
- the washing machine 1 of the present embodiment includes the dewatering tub 2, and the pulsator 4 is disposed on the bottom portion 2c, and the baffle plate 7 as the water conduit portion is disposed at equal intervals in the circumferential direction with respect to the inner peripheral surface 2a1 of the dewatering tub 2.
- the water receiving ring unit 5 is fixed to the upper end portion of the dewatering tub 2, and is connected to each other by a plurality of annular water guiding grooves 5a, 5b, 5c Overlapping,
- the plurality of annular water guiding grooves 5a, 5b, 5c are connected to the upper end portions of the respective baffles 7 via the communicating members 5a1, 5b1, 5c1; and the nozzle unit 6 can be separately injected into the respective water guiding grooves 5a, 5b, 5c Adjust the water.
- the washing water is stirred upward by the lower blade 4a of the pulsator 4, it enters from the opening portion 71 and passes through the baffle 7, and is discharged from the circulation nozzle 70, so that the laundry passes through
- the wash water circulating in the dewatering tank 2 is washed. Further, in the dehydration process, the water is adjusted via the communication members 5a1, 5b1, 5c1 by separately injecting the adjustment water from the nozzle unit 6 into any of the water guiding ring units 5a, 5b, 5c of the water receiving ring unit 5 that rotates integrally with the dewatering tub 2.
- the baffle plate 7 is supplied to the baffle plate 7 and is held by the inner peripheral surface 2a1 side of the dewatering tub 2 by centrifugal force, and is retained in the baffle plate 7, so that the weight of the baffle plate 7 can be adjusted.
- the adjustment water in the baffle plate 7 is discharged from the opening portion 71 which is the lower side opening of the baffle plate 7. Therefore, at the time of the dehydration driving, the adjustment water is retained in the baffle plate 7 on the side opposite to the axis S1 of the dewatering tub 2 at the portion offset from the laundry, so that the rotation of the dewatering tub 2 can be decelerated or stopped in the middle.
- the method eliminates the imbalance of the dewatering tub 2 caused by the bias of the laundry. Therefore, it is possible to increase the size and complexity of the conventionally known structure suppressing device for performing the flushing, and to eliminate the dewatering bucket while continuing the rotation of the dewatering tub 2 even if there is a bias of the laundry during the dehydrating operation.
- the imbalance of 2 can suppress the generation of vibration and noise caused by the eccentricity of the dewatering tank 2. In addition, the occurrence of disputes due to vibration and noise in the installation place of the washing machine 1 and the surrounding environment is thereby prevented.
- the communication members 5a1, 5b1, 5c1 are connected at positions higher than the circulation nozzle 70, and the baffles 7 have positions connected from the respective communication members 5a1, 5b1, 5c1 and the circulation nozzle 70.
- the spacer 7a extends to the approach position of the inner peripheral surface 2a1 of the dewatering tub 2, and therefore, during the washing process, the washing water that is stirred up by the pulsator 4 is prevented from entering the communicating members 5a1, 5b1, 5c1 and the water guiding groove 5a, 5b, 5c, and the washing water can be guided through the spacer 7a to be properly discharged from the circulation nozzle 70.
- the adjusted water supplied from the water receiving ring unit 5 can be stably introduced into the baffle 7 via the gap 7b between the spacer 7a and the inner peripheral surface 2a1 of the dewatering tub 2.
- the water receiving ring unit 5 is disposed on the inner circumferential surface 2a1 of the dewatering tub 2, and is formed by overlapping the plurality of water guiding grooves 5a, 5b, and 5c in the radial direction of the dewatering tub 2, so that the following structure can be realized: By opening all of the water guides 5a, 5b, and 5c upward, it is possible to easily perform separate water injection from the nozzle unit 6 to each of the water guides 5a, 5b, and 5c.
- FIG. 6 is a block diagram showing an electrical configuration of the washing machine 1 of the present embodiment.
- the operation of the washing machine 1 is controlled by a control unit 30 including a microcomputer.
- the control unit 30 is provided with the control of the entire system.
- the central control unit (CPU) 31 is connected to a low-speed rotation setting value (N1) before the start of the dehydration operation required for the rotation control of the dewatering tub 2, a high-speed rotation setting value (N2) after the start of the dehydration operation, and a low-speed dehydration.
- the memory 32 has an unbalance amount setting value (ma) during operation and an unbalance amount setting value (mb) at the time of high-speed dehydration operation.
- the control unit 30 can execute a program stored in the memory 32 by the microcomputer, and can perform a predetermined operation operation, and the memory 32 temporarily stores data and the like used when the program is executed.
- the central control unit 31 outputs a control signal to the rotational speed control unit 33, and further outputs the control signal to the motor control unit (motor control circuit) 34 to perform rotation control of the motor 10.
- the rotation speed control unit 33 inputs a signal indicating the number of revolutions of the motor 10 from the motor control unit 34 in real time, and constitutes a control element.
- the acceleration sensor 12 is connected to the unbalance amount detecting unit 35, and the acceleration sensor 12 and the proximity switch 14 are connected to the unbalanced position detecting unit 36.
- the unbalance amount detecting unit 35 calculates the unbalance amount (M) based on the magnitude of the acceleration from the horizontal direction and the vertical direction of the acceleration sensor 12, and the unevenness The measurement is output to the unbalance amount determining unit 37.
- the unbalanced position detecting unit 36 calculates the angle of the unbalanced direction based on the signal indicating the position of the mark 15a input from the proximity switch 14, and outputs the unbalanced position signal to the water injection control unit 38.
- the water filling control unit 38 determines whether or not to go to any one of the dewatering tanks 2 based on the control program stored in advance.
- the baffle 7 is supplied with water and its water supply amount. Then, the selected water supply valves 26a, 26b, and 26c are opened to start the injection of the adjustment water.
- the water injection nozzles 6a, 6b, and 6c selected based on the calculation of the unbalance amount are started to inject the adjustment water into the water guiding grooves 5a, 5b, and 5c of the water receiving ring unit 5, and when passing through the baffles
- the plate 7 eliminates the imbalance, the injection of the adjustment water is stopped.
- the agglomerates LD(X) of the laundry which constitute the main cause of the imbalance are located in the baffles 7 (B) of the dewatering tank 2 and the baffles 7
- the water injection control unit 38 controls to supply the adjustment water to the baffle plate 7 (A).
- the agglomerate LD (Y) of the laundry is located in the vicinity of the baffle 7 (A)
- the water is supplied to both the baffle 7 (B) and the baffle 7 (C). control.
- FIG 7 and 8 are flowcharts showing the control of the washing machine 1 of the present embodiment.
- the central control unit 31 when the central control unit 31 receives an input signal from a dehydration button (not shown) or receives a signal intended to start the dehydration process in the washing mode operation, the step is entered.
- the dehydration process begins.
- step SP1 the central control unit 31 accelerates the rotation of the dewatering tub 2 after the dewatering tub 2 is slowly reversed.
- step SP2 the central control unit 31 rotates the dewatering tub 2 at a low speed based on the low speed rotation setting value (N1).
- step SP3 the central control unit 31 detects the unbalance amount (M) based on the acceleration value (x component of the acceleration sensor) given by the acceleration sensor 12.
- step SP4 the central control unit 31 compares the unbalance amount (M) with the unbalance amount set value (ma) stored in the memory 32, and determines whether or not M ⁇ ma is established.
- the process proceeds to step SP6.
- the unbalance amount setting value (ma) is a threshold value indicating that the deviation of the laundry is so large that it is difficult to eliminate the supply of the adjustment water to the baffle plate 7. That is, the case where the process proceeds to step SP5 means that it is judged that the deviation of the laundry is so large that it is difficult to eliminate the supply of the adjustment water to the baffle 7.
- step SP5 the central control unit 31 stops the rotation of the dewatering tub 2, and returns to step SP1 to repeat steps SP1 to SP4.
- step SP6 when the central control unit 31 determines that the elapsed time after the start of the low-speed rotation of the dewatering tub 2 is equal to or longer than the preset set time for the low-speed rotation processing, the routine proceeds to step SP7.
- step SP7 the central control unit 31 rotates the dewatering tub 2 at a high speed based on the high-speed rotation setting value (N2).
- step SP8 the central control unit 31 detects the unbalance amount (M) and the unbalanced position (N) based on the acceleration value given by the acceleration sensor 12.
- step SP9 the central control unit 31 replaces the water supply valve X, the region Y, and the water supply valve Z shown in Fig. 9 with the value of the parameter table based on the unbalanced position (N).
- FIG. 9 is a view for explaining a control flow in the dehydration process of the washing machine 1.
- the cross section of the dewatering tank 2 is equally divided into six in the circumferential direction, and schematically shows the positional relationship with the baffle 7, and the baffle 7 shown in 7(A) is represented by the figure.
- the water injection nozzle 6a shown in Figs. 2 and 5 supplies the baffle plate 7 for adjusting the water.
- baffle 7 described in 7 (B) shows the baffle 7 supplied with the water to be adjusted by the water injection nozzle 6b shown in FIGS. 2 and 5, and the baffle 7 described in 7 (C) is shown in FIG.
- the water injection nozzle 6c shown in Fig. 5 supplies the baffle plate 7 for adjusting the water.
- step SP10 the central control unit 31 opens the water supply valve X described in the parameter table of Fig. 9 .
- the water supply valve X is the water supply valve 26c corresponding to the baffle plate 7 (C) opposed to the region I.
- the adjustment water is supplied to the baffle plate 7 corresponding to the water supply valve X, and the amount and position of the eccentric load are changed.
- step SP11 shown in FIG. 8 the central control unit 31 recalculates the unbalance amount (M) and the unbalanced position (N) based on the acceleration value given by the acceleration sensor 12.
- step SP12 the central control unit 31 compares the unbalance amount (M) with the above-described imbalance amount setting value (ma) stored in the memory 32, and determines whether or not M ⁇ ma is established.
- M unbalance amount
- ma imbalance amount setting value
- step SP13 the central control unit 31 compares the unbalance amount (M) with the above-described unbalance amount setting value (mb) stored in the memory 32, and determines whether or not M ⁇ mb is established.
- the process proceeds to step SP23 which will be described later.
- M ⁇ mb does not hold
- the process proceeds to step SP14.
- the unbalance amount setting value (mb) is a value smaller than the unbalance amount setting value (ma), and is a degree indicating that the deviation of the laundry is small enough that no noise is generated even if the adjustment water is not supplied to the baffle plate 7. Threshold. In other words, if it is determined that the partial load is small or does not exist, and if no noise is generated without supplying water to the baffle 7, the process proceeds to step SP23.
- step SP14 when the central control unit 31 determines that the elapsed time after the water supply valve X is opened is equal to or longer than the set time, the routine proceeds to step SP15.
- the set time is until the time taken for one of the baffles 7 to be almost filled with the adjustment water.
- step SP15 the central control unit 31 determines whether or not the unbalanced position (N) is the region Y indicated by the parameter table of Fig. 9 .
- the process proceeds to step SP16.
- the process returns to step SP11. For example, in the case where the initial unbalanced position (N) in step SP11 is the area I, after that, the unbalanced position (N) is always the area I as long as the recalculation is not performed, and the flow returns to step SP16.
- step SP16 Since the result of the recalculation in step SP16 changes with time due to the water supply from the water supply valve X, the unbalanced position (N) changes from the area I when the weight of the baffle 7 corresponding to the water supply valve 26c increases. In the region V, when the step SP15 is repeated a plurality of times, the unbalanced position (N) becomes the region Y.
- step SP16 the central control unit 31 closes the water supply valve X described in the parameter table of Fig. 9 and opens the water supply valve Z.
- the water supply valve X is the water supply valve 26c corresponding to the baffle plate 7 opposed to the region I
- the water supply valve Z is the baffle plate 7 (B)
- the baffle 7 (B) is located closer to the region I than the baffle 7 (C) corresponding to the water supply valve 26c.
- step SP17 the central control unit 31 recalculates the unbalance amount (M) and the unbalanced position (N) based on the acceleration value given by the acceleration sensor 12.
- step SP18 the central control unit 31 compares the unbalance amount (M) with the above-described imbalance amount setting value (ma) stored in the memory 32, and determines whether or not M ⁇ ma is established.
- M ⁇ ma the unbalance amount
- the process proceeds to step SP19.
- M ⁇ ma does not hold
- the process proceeds to step SP21 which will be described later. In other words, when it is judged that the deviation of the laundry is so large that it is difficult to eliminate even if more adjustment water is supplied to the baffle 7, the process proceeds to step SP21.
- step SP19 the central control unit 31 pairs the unbalance amount (M) and stored on the memory 32.
- the unbalance amount setting value (mb) is compared to determine whether M ⁇ mb is established.
- the process proceeds to step SP23 which will be described later.
- the routine proceeds to step SP23.
- M ⁇ mb does not hold, the process proceeds to step SP20.
- step SP20 when the central control unit 31 determines that the elapsed time after the water supply valve Z is opened is equal to or longer than the set time, the process proceeds to step SP21, which will be described later. On the other hand, when it is judged that the elapsed time after opening the water supply valve Z is less than the set time, the process returns to step SP17.
- step SP21 shown in Fig. 7 the central control unit 31 sets all of the water supply valves X and Z to the closed state.
- step SP22 the central control unit 31 returns to step SP1 after stopping the rotation of the dewatering tub 2.
- step SP23 shown in Fig. 8 the central control unit 31 sets all of the water supply valves X and Z to the closed state.
- step SP24 the central control unit 31 rotates the dewatering tub 2 by the maximum number of revolutions for a predetermined time to perform dehydration processing. Then, the dehydration treatment is ended.
- the laundry is attached to the inner peripheral surface 2a1 of the dewatering tub 2 by centrifugal force, and the rotation of the dewatering tub 2 is accelerated to a set rotation lower than the spin-drying rotation.
- the vibration of the circular orbit is generated in the outer tub 3 due to the unbalance amount (M) thereof, and the value of the acceleration sensor 12 is plotted as a sine corresponding to the rotation of the dewatering tub 2. wave.
- the imbalance amount (M) and the angle based on the position of the marker 15a are calculated by the microcomputer, as long as the detected imbalance amount (M) is equal to or greater than the set value.
- the water baffle 7 located at its symmetrical position is filled with water.
- the baffle 7 to which the water is adjusted is different depending on the unbalanced position (N). First, only the position farthest from the undetected unbalanced position (N), and the amount of unbalance (M) and position (N) The water supply to the baffle 7 is greatly affected by the adjustment. When the water supply to the baffle 7 is finished, the amount of imbalance (M) and the position (N) caused by the water supply are considered, and the second is required as needed. The baffle 7 is filled with water.
- the acceleration sensor 12 monitors the decrease in the acceleration and the change in the unbalanced position, and simultaneously injects water into the baffle 7 (B) and the baffle 7 (C).
- the dewatering tub 2 is accelerated to a high-speed dehydration rotation to perform dehydration. Further, when the dehydration is completed and the deceleration of the dewatering tank 2 is started, and the centrifugal force is less than the gravitational acceleration, the adjustment water in the baffle 7 flows out from the opening portion 71 to the lower portion and is discharged.
- the washing machine can prevent vibration and noise generation.
- the control method of the washing machine 1 of the present invention is controlled such that the adjusted water is injected from the nozzle unit 6 into any of the water guiding grooves 5a (5b, 5c) of the water receiving ring unit 5 during the dehydration process, and the water is adjusted via the communicating member 5a1 ( Since the baffles 5 and 5c1 are supplied to the baffle plate 7, even if there is a bias of the laundry in the dewatering tub 2 during the spin-drying operation, it is possible to continue the rotation so as not to decelerate or stop the rotation of the dewatering tub 2 in the middle. In the state, the imbalance of the dewatering tub 2 is eliminated, and the generation of vibration and noise caused by the eccentricity of the dewatering tub 2 can be suppressed.
- the water receiving ring unit 5 is constituted by three water guiding grooves 5a, 5b, 5c, and three baffles 7 are provided corresponding thereto, but are not limited thereto, as long as the baffles 7 are provided It is sufficient that three or more water guides are provided in the same number as the baffles 7.
- the water receiving ring unit 5 may have a structure in which a plurality of water guiding grooves 5a, 5b, and 5c are stacked in the vertical direction, whereby the lateral width of the water receiving ring unit 5 can be reduced, and the opening of the dewatering tub 2 can be enlarged.
- the baffle 7 may have a shape that widens upward or widens downward.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Description
Claims (5)
- 一种洗衣机,其特征在于,具备:脱水桶,在底部配置有波轮;通水管部,相对于所述脱水桶的内周面沿周向等间隔地配置有三个以上,并且,在所述底部附近开口且在上端部形成有循环水口;接水环单元,固定于所述脱水桶的上端部,由多个环状的导水槽彼此重叠而成,所述多个环状的导水槽经由连通构件与各个所述通水管部的上端部连接;以及喷嘴单元,能单独向各导水槽注入调整水。
- 根据权利要求1所述的洗衣机,其特征在于,在比所述循环水口更靠近上方的位置连接有所述连通构件,并且所述通水管部具有从该连通构件所连接的位置与所述循环水口之间延伸到所述脱水桶的内周面的接近位置的间隔片。
- 根据权利要求1或2所述的洗衣机,其特征在于,所述接水环单元配置于所述脱水桶的内周面,并且由所述多个导水槽沿所述脱水桶的径向重叠而成。
- 根据权利要求1或2所述的洗衣机,其特征在于,所述接水环单元配置于所述脱水桶的内周面,并且由所述多个导水槽沿上下方向重叠而成。
- 一种洗衣机的控制方法,其为权利要求1或2所述的洗衣机的控制方法,其特征在于,在脱水过程中,使调整水从所述喷嘴单元注入所述接水环单元的任一个所述导水槽,并经由所述连通构件使调整水供给至所述通水管部。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680053715.0A CN108138421B (zh) | 2015-09-17 | 2016-09-18 | 洗衣机及洗衣机的控制方法 |
EP16845763.8A EP3351675A4 (en) | 2015-09-17 | 2016-09-18 | WASHING MACHINE AND WASHING MACHINE CONTROL METHOD |
US15/760,987 US10689787B2 (en) | 2015-09-17 | 2016-09-18 | Washing machine and method for controlling the same |
KR1020187010875A KR20180049106A (ko) | 2015-09-17 | 2016-09-18 | 세탁기 및 세탁기의 제어방법 |
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JP2015-184111 | 2015-09-17 | ||
JP2015184111A JP6608659B2 (ja) | 2015-09-17 | 2015-09-17 | 洗濯機および洗濯機の制御方法 |
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WO2017045649A1 true WO2017045649A1 (zh) | 2017-03-23 |
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PCT/CN2016/099256 WO2017045649A1 (zh) | 2015-09-17 | 2016-09-18 | 洗衣机及洗衣机的控制方法 |
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US (1) | US10689787B2 (zh) |
EP (1) | EP3351675A4 (zh) |
JP (1) | JP6608659B2 (zh) |
KR (1) | KR20180049106A (zh) |
CN (1) | CN108138421B (zh) |
WO (1) | WO2017045649A1 (zh) |
Cited By (4)
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WO2021088733A1 (zh) * | 2019-11-06 | 2021-05-14 | 青岛海尔洗衣机有限公司 | 洗衣机 |
WO2022001184A1 (zh) * | 2020-06-29 | 2022-01-06 | 青岛海尔洗衣机有限公司 | 洗衣机 |
WO2022068063A1 (zh) * | 2020-09-30 | 2022-04-07 | 无锡小天鹅电器有限公司 | 一种衣物处理设备及其控制方法 |
WO2022068050A1 (zh) * | 2020-09-30 | 2022-04-07 | 无锡小天鹅电器有限公司 | 一种平衡装置、筒体组件及衣物处理设备 |
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JP2017113232A (ja) * | 2015-12-24 | 2017-06-29 | 青島海爾洗衣机有限公司QingDao Haier Washing Machine Co.,Ltd. | 洗濯機の制御方法 |
DE102018203588A1 (de) * | 2018-03-09 | 2019-09-12 | Henkel Ag & Co. Kgaa | Bestimmen eines Zustands von einem Haushaltsgerät |
KR102437907B1 (ko) * | 2018-04-03 | 2022-08-29 | 엘지전자 주식회사 | 세탁물처리장치 및 제어방법 |
CN111850929A (zh) * | 2019-04-30 | 2020-10-30 | 青岛海尔洗衣机有限公司 | 一种波轮洗衣机 |
JP2021074104A (ja) * | 2019-11-06 | 2021-05-20 | 青島海爾洗衣机有限公司QingDao Haier Washing Machine Co.,Ltd. | 洗濯機 |
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JP7503266B2 (ja) * | 2020-06-29 | 2024-06-20 | 青島海爾洗衣机有限公司 | 洗濯機 |
CN114318779B (zh) * | 2020-09-30 | 2023-03-10 | 无锡小天鹅电器有限公司 | 一种筒体组件及衣物处理设备 |
CN114318778B (zh) * | 2020-09-30 | 2023-01-31 | 无锡小天鹅电器有限公司 | 一种平衡装置、筒部装及洗衣设备 |
CN114575114A (zh) * | 2020-11-30 | 2022-06-03 | 无锡小天鹅电器有限公司 | 一种筒体组件及衣物处理设备 |
JP2022168527A (ja) * | 2021-04-26 | 2022-11-08 | 青島海爾洗衣机有限公司 | 洗濯機 |
JP2023010153A (ja) * | 2021-07-09 | 2023-01-20 | 青島海爾洗衣机有限公司 | 洗濯機 |
JP2023035692A (ja) * | 2021-09-01 | 2023-03-13 | 青島海爾洗衣机有限公司 | 洗濯機 |
JP2023035691A (ja) * | 2021-09-01 | 2023-03-13 | 青島海爾洗衣机有限公司 | 洗濯機 |
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WO2022068063A1 (zh) * | 2020-09-30 | 2022-04-07 | 无锡小天鹅电器有限公司 | 一种衣物处理设备及其控制方法 |
WO2022068050A1 (zh) * | 2020-09-30 | 2022-04-07 | 无锡小天鹅电器有限公司 | 一种平衡装置、筒体组件及衣物处理设备 |
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Also Published As
Publication number | Publication date |
---|---|
CN108138421B (zh) | 2019-10-25 |
JP2017056025A (ja) | 2017-03-23 |
EP3351675A4 (en) | 2019-04-10 |
EP3351675A1 (en) | 2018-07-25 |
KR20180049106A (ko) | 2018-05-10 |
JP6608659B2 (ja) | 2019-11-20 |
CN108138421A (zh) | 2018-06-08 |
US10689787B2 (en) | 2020-06-23 |
US20180258571A1 (en) | 2018-09-13 |
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