CN103993456A - Washing machine and control method thereof - Google Patents
Washing machine and control method thereof Download PDFInfo
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- CN103993456A CN103993456A CN201410047287.3A CN201410047287A CN103993456A CN 103993456 A CN103993456 A CN 103993456A CN 201410047287 A CN201410047287 A CN 201410047287A CN 103993456 A CN103993456 A CN 103993456A
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- water
- door
- washing machine
- drain motor
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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
- 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
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
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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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/40—Opening or locking status of doors
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
Disclosed herein are a washing machine that may effectively remove residual water remaining at the bottom of a tub after completion of washing, and a control method thereof. A drainage motor is driven to remove residual water remaining at the bottom of a tub when a predetermined time elapses after all washing operations are completed. Thereby, the residual water may be prevented from freezing and thus blocking the drain. Further, the residual water may be removed through a control algorithm, without adding a separate device. Thereby, manufacturing costs may be reduced.
Description
Technical field
Embodiment of the present disclosure relates to a kind of for the electric washer from wherein removing residual water and control method thereof.
Background technology
Washing machine comprises: bucket, for depositing water (washings or washings); Washtub, is rotatably installed in bucket, for accommodating laundry; Impeller, is rotatably installed in the bottom of washtub, is used to form current; And washing motor, produce driving force so that washtub and impeller rotation.Washing machine utilizes the surface-active action of current and washing agent to get on except dirt from clothing.
The water (washings in particular) of the washing agent that washing machine contains dissolving by use gets on and defoams and the rinsing of residual washing agent and remove this sequence of operations of water by High Rotation Speed clothing from clothing and carry out washing from clothing except dirt, with the water that does not contain washing agent from clothing.Complete after washing by above operation, also have water not to be discharged from the bottom of bucket, that is, and residual water.In the time that user takes out clothing from washing machine, the water that remains in the bottom of bucket gathers around the drain outlet of foot of bucket.
At the high South Asian nation of those environment temperatures, drain outlet can not cause any trouble.But, in the country with cold winter, in the winter time during, environment temperature is low, when remain in drain outlet residual water freeze time, drain outlet may be blocked.Consequently, in the time that washing machine is used subsequently, water may be discharged, and user can be dissatisfied to washing machine.In addition,, in the time forcing drive motors due to drain outlet obstruction, motor may transship and damage.
Summary of the invention
Therefore, an aspect of of the present present invention is to provide a kind of washing machine of residual water and the control method of this washing machine that can effectively remove the bottom that remains in bucket after washing completes.
Other aspect part will be set forth in the following description, and part will be from describe and obviously, or can understand by enforcement of the present invention.
According to one side, a kind of control method of washing machine, described washing machine comprises: bucket, holds water; Water discharge outlet, is formed at the bottom of bucket to discharge water; Drainpipe, is connected to water discharge outlet; Drain motor, is arranged on drainpipe, and to control the discharge of water, described method comprises: after dehydrating operations completes, determine whether the door of washing machine is opened; In the time determining that door is opened, the door opening time timing of opposite house; Whether the door opening time of determining institute's timing has reached the very first time; And in the time determining that the opening time of door has reached the very first time, remove operation by the residual water that drives drain motor to carry out the residual water of removing water discharge outlet place.
Can after all operations of washing machine completes, carry out described residual water and remove operation.
Drive drain motor can comprise the lasting drain motor that drives, or, drive drain motor by opening/closing drain motor in discrete mode.
Control method can also comprise: to the driven time timing of drain motor; Whether the time of determining institute's timing reached for the second time; And in the time that definite described time reached for the second time, drain motor is stopped.
The very first time can be set to was longer than for the second time.The very first time can be at least 5 minutes, and the second time can be at least for 3 seconds.
According to one side, a kind of washing machine comprises: bucket, holds water; Water discharge outlet, is formed at the bottom of bucket to discharge water; Drainpipe, is connected to water discharge outlet; Drain motor, is arranged on drainpipe, to control the discharge of water; Washtub, is arranged in bucket, for accommodating laundry; Door, opens and closes the entrance for putting into clothing; Door switch, the opening or closing of detecting gate; Controller, after completing dehydrating operations, in the time determining that door is opened, the door opening time timing of opposite house, in the time determining that the door opening time of institute's timing has reached the very first time, removes operation by driving drain motor to carry out residual water.
Controller can by drive drain motor reach the second time carry out remove water discharge outlet place residual water residual water remove operation.
Controller can, to the driven time timing of drain motor, in the time that the time of institute's timing reached for the second time, stop drain motor, removes operation to stop carrying out residual water.
According to one side, a kind of control method of washing machine, comprising: bucket, holds water; Water discharge outlet, is formed at the bottom of bucket to discharge water; Drainpipe, is connected to water discharge outlet; And drain motor, be arranged on drainpipe, to control the discharge of water, described control method comprises: whether the door of determining washing machine is opened; In the time determining that door is opened, the door opening time timing of opposite house; Whether the door opening time of determining institute's timing has reached the very first time; And in the time determining that the opening time of door has reached the very first time, remove operation by the residual water that drives drain motor to carry out the residual water of removing water discharge outlet place, wherein, after all operations of washing machine completes, carry out described residual water and remove operation.
According to one side, a kind of washing machine, comprising: bucket, holds water; Water discharge outlet, is formed at the bottom of bucket to discharge water; Drainpipe, is connected to water discharge outlet; Drain motor, is arranged on drainpipe, to control the discharge of water; Washtub, is arranged in bucket, for accommodating laundry; Door, opens and closes the entrance for putting into clothing; Door switch, the opening and closing of detecting gate; Check switch, check whether washtub moves in the time that door is opened; Controller, determine in the time that door is opened and check whether switch is opened, and checking after switch opens in the time being opened for definite, the door opening time timing of opposite house, to remove operation by driving drain motor to carry out residual water in the time determining that the door opening time of institute's timing has reached the very first time.
Brief description of the drawings
By the description to embodiment below in conjunction with accompanying drawing, these and/or other side will become obviously and be easier to be understood, wherein,
Fig. 1 is the cutaway view illustrating according to the structure of the washing machine of exemplary embodiment;
Fig. 2 is the perspective view that the bucket in the washing machine of Fig. 1 is shown;
Fig. 3 is the control block diagram illustrating according to the washing machine of an embodiment;
Fig. 4 A and Fig. 4 B are the flow charts illustrating according to the control method of the washing machine of embodiment; And
Fig. 5 A and Fig. 5 B are the flow charts illustrating according to the control method of the washing machine of an embodiment.
Detailed description of the invention
To be elaborated to embodiment now, the example of embodiment shown in the drawings, wherein, identical label refers to identical element all the time.
Fig. 1 is the cutaway view illustrating according to the structure of the washing machine of exemplary embodiment.
In Fig. 1, washing machine 1 comprises: casing 10, roughly according to the outward appearance of box shape formation washing machine; Bucket 11, is arranged in casing 10, for depositing water; Washtub 12, is rotatably installed in bucket 11, for storing clothes; Impeller 13, is rotatably installed in washtub 12, rotates to produce current along alternating direction.
Washtub 12 is formed as having open-topped tubular, and on its side surface, is provided with multiple osculum 12a.Balancer 12b can be arranged on the top of washtub 12 to guarantee washtub 12 stably rotation at a high speed.
Washing motor 14 is arranged on bucket 11 outer bottom, and to produce the driving force that washtub 12 and impeller 13 are rotated, power switching device 15 simultaneously or optionally transmit to washtub 12 and impeller 13 driving force that washing motor 14 produces.
The dehydrating shaft 16 with hollow shape can be attached to washtub 12, and the wash shaft 17 that is arranged on the hollow bulb of dehydrating shaft 16 can be incorporated into impeller 13 by wash shaft joint portion 18.
Washing motor 14 is direct driving (DD) motors with speed changing function.Washing motor 14 can be according to the rising of power switching device 15 or descending motion simultaneously or optionally to washtub 12 and/or impeller 13 transmission of drive force.
Selectively, comprise the general-purpose machine of excitation coil and armature or comprise permanent magnet and the brshless DC motor of electromagnet (BLDC motor) can be used as washing motor 14.Can use the motor of any type, as long as this motor is applicable to washing machine 1.In addition, washing motor 14 also can be configured to use belt.
Power switching device 15 can comprise: actuator 15a, produces the driving force for power conversion; Bar 15b, moves point-blank according to the motion of actuator 15a; And clutch 15c, be connected to bar 15b, rotate according to the motion of bar 15b.
Level sensor 19 is arranged on the lower inside of bucket 11, with the amount (water level) of water in sensing bucket 11.
Water discharge outlet 20 is formed on the bottom of bucket 11, and so that the water in bucket 11 is discharged to outside, first row water pipe 21 is connected to water discharge outlet 20.Regulate the drain motor 22 of draining to be arranged on first row water pipe 21, second row water pipe 23 is connected to the outlet of drain motor 22, so that water is discharged to outside.
The door 25 being opened or closed is arranged on the upside of casing 10, to put into clothing in washtub 12, or takes out clothing from washtub 12.Top cover 26 is arranged on the upside of casing 10.
Entrance 27 is formed in top cover 26 so that clothing can be placed into taking-up in washtub 12 or from washtub 12.Entrance 27 can be opened and closed by door 25.
Meanwhile, the side that door 25 is hinged to top cover 26 is to open and close entrance 27.
Whether in addition, door switch 30 is arranged on a side of top cover 26, open or close with detecting gate 25.Door switch 30 can be installed in any position of laying door 25 on top cover 26.
Door switch 30 comprises magnet and reed switch.Be arranged on according to the reed switch that is opened/closes with contacting of magnet on the top cover 26 of laying door 25, magnet is arranged on the front end of the contact top cover 26 of door 25 simultaneously.Thus, opening or closing according to the contact detection door 25 between magnet and reed switch.
In addition the water supply pipe 40 supplying water to bucket 11, is arranged on the top of casing 10.External water source is connected to a side of water supply pipe 40, and washing agent feed unit 41 is connected to the opposite side of water supply pipe 40.The water of supplying by water supply pipe 40 is introduced in bucket 11 together with the washing agent of being supplied by washing agent feed unit 41.Feed water valve 42 can be installed in the supply of controlling water in water supply pipe 40.
Bucket 11 can be supported by casing 10 by suspension 43.Installation check switch 44 between bucket 11 and casing 10, to detect rocking of washtub 12, washtub 12 may shake in the time that user touches washtub 12 with taking-up clothing.In addition, check that switch 44 can ' detect before casing 10 and bucket 11 collisions barrels 11 the undue oscillation that distributes due to the imbalance of clothing that the eccentric rotary of the washtub 12 that causes causes.
Fig. 2 is the perspective view that the bucket in the washing machine of Fig. 1 is shown.
In Fig. 2, bucket 11 is formed as having open-topped tubular.Axle combined hole 11a is formed at Tong11 center, so that the wash shaft joint portion 18 of wash shaft 16 is arranged in axle combined hole 11a.
The basal surface of bucket 11 is formed as curved shape, to allow water to dirty.Water discharge outlet 20 is formed at the basal surface of bucket 11 with draining.
Fig. 3 is the control block diagram illustrating according to the washing machine of an embodiment.
In Fig. 3, washing machine 1 comprises input block 50, controller 52, memory 54, driver element 56 and display unit 58.
User operates input block 50 to input the order of carrying out washing, rinsing and dehydration by washing machine 1, and described input block 50 can comprise key, button, switch, touch pad and produce predetermined all other parts of inputting data by pushing away, touch, press or rotating.
In addition, input block 50 comprises multiple buttons (for the kind of the temperature of power supply, operation scheduling table, washings, immersion, washing, rinsing, dehydration, washing agent etc.), and user is by these buttons inputs order relevant to the operation of washing machine 1.Multiple buttons comprise procedure Selection button, to select a washing procedure according to the kind of the clothing of putting into washing machine 1.(described program comprises standardization program, wool program and fine purifiation program, for example, user can be according to the kind choice criteria program of clothing).
Controller 52 is according to the microcomputer of whole operation of washing, rinsing and the dehydration of the operation information control washing machine 1 of inputting by input block 50, in the program of selecting, controller 52 according to the weight of clothing (load) set duration of washing and frequency, target RPM, operations factor (the ON/OFF time of washing motor) and washing and the rinsing of rinsing.
In addition,, in the time comprising that all operations of water supply, washing and dehydration complete, whether controller 52 detecting gates 25 are opened by door switch 30.The open mode of door 25 detected after washing completes time, the opening time timing of controller 52 opposite houses 25, and determine whether to pass through the scheduled time (allow user to take out clothing and leave about 5 minutes above reasonable times of washing machine, described reasonable time will hereinafter referred to as the very first time).In the time that the opening time of door 25 exceedes the very first time, determine that user has taken out clothing from washing machine, and the operation of removing residual water, the water that remains in the bottom of bucket 11 in this operating period is discharged automatically.
When according to the specification of this washing machine 1 or Capacity design washing machine 1, the very first time can change.
Removing in the operation of residual water, after the open mode of door 25 being detected, when past tense of the very first time, drain motor 22 is actuated to discharge the water that remains in bucket 11 bottoms.
After this, controller 52 is to the driven time timing of drain motor 22, and determine whether to pass through the scheduled time (allow to remove the reasonable time more than 3 seconds of the water of the bottom of bucket 11, described reasonable time will hereinafter referred to as the second time).In the time that driven time of drain motor 22 pass by for the second time, determine that the water that remains in bucket 11 bottoms is removed, and the driving of drain motor 22 is stopped.
Memory 54 can be stored: for controlling the control data of operation of washing machine 1; The data of the reference using in the process of operation of controlling washing machine 1; The operating data creating in the time that washing machine 1 is carried out scheduled operation; Configuration information, as input by input block 50 so that washing machine 1 is carried out the data that arrange of scheduled operation; Carry out the frequency of specific operation by washing machine 1; User profile, comprises the model of washing machine 1; And fault message, comprise reason and position that washing machine 1 breaks down.
According to the drive control signal of carrying out self-controller 52, driver element 56 drives washing motor 14, drain motor 22 and the feed water valve 42 relevant to the operation of washing machine 1.
Display unit 58 shows mode of operation and user's operation state of washing machine 1 according to the display control signal that carrys out self-controller 52.When user attempts washing machine 1 that actuating doors 25 opens or in washing machine 1 operating process when positive opening door 25, display unit 58 shows error message.
Hereinafter, the step of the operation to washing machine according to an embodiment and effect and control method thereof are described.
Fig. 4 A and Fig. 4 B are the flow charts illustrating according to the control method of the washing machine of inventive embodiment.
In Fig. 4 A and Fig. 4 B, user opens the door 25 of washing machine 1, and clothing is put into washtub 12, then closes door 25.In the time that door 25 is closed, door 25 is placed in top cover 26 places of the upside that is arranged on casing 10, to close entrance 27.
After this, as user, according to a washing procedure of kind input of clothing, (washing procedure comprises, for example, standardization program, wool program and fine purifiation program) during with the operation information relevant to the operation of washing machine, the operation information that user selects is imported into controller 52 by input block 50.
Therefore, controller 52 detects the weight (load) of putting into the clothing in washtub 12 to carry out the washing (100) of clothing.Can detect to be permitted various ways the weight of clothing.Can utilize certain dutycycle (90V) of being applied to washing motor 14 for the RPM(of sense weight for example, approximately 70RPM is to 150RPM) washing motor 14 is turned round and obtains to reach the time sense weight that described dutycycle and angular speed spend.Or, can reach the time sense weight that desired speed (or predetermined speed of rotation) spends by using the acceleration at once of washing motor 14 to obtain.Or, as at 2002-336593, disclosed in 2004-267334 and 1995-90077 Japan patent applicant announce, can reach the scheduled time by applying moment of torsion to washing motor 14, directly or indirectly measure the rotary inertia of washtub 12, then use second law of motion (, moment of torsion=rotary inertia × angular acceleration) calculated weight and detect the weight of clothing.
Or, can adopt load cell to detect the weight (load) of clothing.
In the time detecting the weight (load) of clothing, according to the weight (load) of clothing detecting, controller 52 arranges RPM and operations factor (the opening/closing time of motor), the target water level of washing, target water level and washing and the lasting time of rinsing of rinsing.
In the case of user the input independent order not relevant to the operation of washing machine 1 extraly, carry out according to the weight (load) of the clothing of the detection target water level to RPM and operations factor (the opening/closing time of motor), the target water level of washing, rinsing and washing and the rinsing setting of lasting time.Input extraly the independent order relevant to the operation of washing machine 1 in the case of user, according to ordering change RPM and operations factor (the opening/closing time of motor), the target water level of washing, target water level and washing and the lasting time of rinsing of rinsing.
After this, controller 52 operates feed water valve 42 and carries out the required washings of washing operation with supply.
In the time of operation feed water valve 42, feed water valve 42 is opened, and washings are supplied to a barrel 11(102 together with washing agent through water supply pipe 40 and washing agent feeding unit 41).
Therefore, controller 52 is fed to the water level of the washings of bucket 11 by level sensor 19 sensings, and to determine whether to have arrived target water level, and continuation water supply reaches target water level until be fed to the water level of bucket 11.
When washings are supplied while reaching target water level, target RPM and operations factor (time of the opening/closing of motor) execution washing operation that controller 52 thinks that by driving washing motor 14 washing operation is set up, make thus impeller 13 left with to right rotation, to produce the current (104) of the water (washings and washing agent) that contains washing agent to clothing transmission.
In the time completing washing operation in the wash time of setting, controller 52 stops washing motor 14, and discharges the water (106) that contains washing agent, dehydration (108) in the middle of then carrying out.
Subsequently, controller 52 operates feed water valve 42 and operates required washings with supply execution rinsing.
In the time of operation feed water valve 42, feed water valve 42 is opened, and washings are supplied to a barrel 11(110 by water supply pipe 40).At this moment, controller 52 is controlled the supply of washings, with by impeller 13 left and the stirring of washings is provided to right rotation, to improve wash effect.Thus, because the clothing of having carried out middle dehydration and be attached to washtub 12 after washing operation separates with washtub 12, and fully mix with water, therefore, can improve wash effect.
Therefore, controller 52 is fed to the water level of the washings of bucket 11 by level sensor 19 sensings, to determine that whether water level is as target rinsing water level (water level definite according to the set amount of washings), and lasting water supply reaches target rinsing water level until be fed to the water level of the water of bucket 11.
In the time that the washings of supply reach target rinsing water level, controller 52 is by thinking that rinsing operates target RPM and the operations factor (the opening/closing time of motor) set up and drives washing motor 14 to carry out rinsing operation, make thus impeller 13 left with to right rotation, to produce the current (112) that make washings contact clothing.
In the time completing rinsing operation in the rinsing time of setting, controller 52 stops washing motor 14, and discharges washings (114).Repeat such rinsing operation with pre-determined number.
In the time that rinsing operation repeats pre-determined number and completes last rinsing, controller 52 determines whether carry out dehydrating operations (116).
In the time that in operation 116, definite operation subsequently is not dehydrating operations, controller 52 dewaters (118) in the middle of carrying out, and then gets back to operation 110, and execution operation subsequently.
In the time that in operation 116, definite operation is subsequently dehydrating operations, controller 52 arrives about 1000RPM with the about 700RPM of RPM(setting for final dewatering) execution dehydrating operations (120).
At this moment, controller 52 drives drain motor 22 by driver element 56.Thus, the water in bucket 11 is discharged to outside through first row water pipe 21 and second row water pipe 23.
In the time completing dehydrating operations, controller 52 stops driving washing motor 14 and drain motor 22 by driver element 56, stops all operations of washing machine 1.
In the time that all operations stops, user can open door 25 and take out clothing.
Therefore,, in the time completing dehydrating operations and therefore all operations of washing machine 1 stops, whether controller 52 detecting gates 25 are opened.About this point, whether door switch 30 detecting gates 25 that are arranged on top cover 26 1 sides are opened.
When user opens door 25 time, the magnet that is arranged on the front end contacting with top cover 26 of door 25 separates with the reed switch that is arranged on top cover 26 places, like this can detecting gate 25 open.
Thus, controller 52 utilizes definite 25 of door switch 30 whether be opened (122).In the situation that door 25 is not opened, the removal that controller 52 is postponed residual water operates until door 25 is opened.
When determine that door 25 is opened in operation 122 time, the door opening time timing (124) of controller 52 opposite houses 25, and determine whether the door opening time of described timing reaches definite very first time (about more than 5 minutes) (126).
There is no past tense when definite very first time in operation 126, controller 52 repeats operation 126.
When determine past tense of the very first time in operation 126, controller 52 drives drain motor 22(128 by driver element 56).
In the time taking out clothing, user touches washtub 12.Thereby washtub 12 rocks.The washtub 12 collision bucket 11 rocking, the water that makes to remain in bucket 11 bottoms is gathered in the water discharge outlet 20 of the foot of bucket 11.
Therefore,, after washing operation completes, in the time that drain motor 22 is driven, the residual water that has moved to water discharge outlet 20 from the bottom periphery of bucket 11 is discharged to outside by first row water pipe 21 and second row water pipe 23.
After this, controller 52 is to the driven time timing of drain motor 22, and determines whether that the second time (more than approximately 3 seconds) of determining passes by (130).
There is no past tense when second time of determining in operation 130, controller 52 repeats operation 130.
When determine past tense of the second time in operation 130, controller 52 stops driving drain motor 22 by driver element 56, and stops residual water removal operation (132).
Hereinafter, provide the description about following content with reference to Fig. 5 A and 5B: detect and be opened or user touches washtub 12 to take out rocking of the washtub 12 that occurs when clothing when door 25, be gathered in the residual water around water discharge outlet 20 with the operation completing and the discharge of all operations of detecting washing machine 1.
Fig. 5 A and Fig. 5 B are the flow charts illustrating according to the control method of the washing machine of an embodiment.The description of those and Fig. 4 A and Fig. 4 B same section will be omitted.
With reference to Fig. 5 A and Fig. 5 B, user opens the door 25 of washing machine 1, and clothing is put into washtub 12, then closes door 25.
After this,, when user input is according to the washing procedure of clothing kind during with the operation information relevant to the operation of washing machine, controller 52 detects the weight (load) of the clothing in washtub 12 to carry out washing operation (200).
In the time detecting the weight (load) of clothing, controller 52 operates feed water valve 42 and carries out the required washings of washing operation with supply.
In the time of operation feed water valve 42, feed water valve 42 is opened, and washings are fed to a barrel 11(202 together with washing agent through water supply pipe 40 and washing agent feeding unit 41).
When washings are supplied while reaching target water level, controller 52 drives washing motor 14 to carry out washing operation by thinking target RPM and operations factor (the opening/closing time of motor) that washing operation is set up, make thus impeller 13 left with to right rotation, to produce the current (204) of the water (washings+washing agent) that contains washing agent to clothing transmission.
In the time completing rinsing operation in the wash time of setting, controller 52 stops washing motor 14, and discharges the water (washings+washing agent) (206) containing washing agent, dehydration (208) in the middle of then carrying out.
Subsequently, controller 52 operates feed water valve 42 and operates required washings with supply execution rinsing.
In the time of operation feed water valve 42, feed water valve 42 is opened, and washings are supplied to a barrel 11(210 by water supply pipe 40).
In the time that the washings of supply reach target rinsing water level, controller 52, by thinking that rinsing operates target RPM and the operations factor (the opening/closing time of motor) set up and drives washing motor 14 to carry out rinsing operation, makes impeller 13 make washings contact the current (212) of clothing to produce left with to right rotation thus.
In the time completing rinsing operation in the rinsing time of setting, controller 52 stops washing motor 14, and discharges washings (214).Repeat such rinsing operation with pre-determined number.
In the time that rinsing operation repeats pre-determined number and completes last rinsing, controller 52 determines whether ensuing operation is dehydrating operations (216).
In the time that in operation 216, definite operation subsequently is not dehydrating operations, controller 52 dewaters (218) in the middle of carrying out, and then gets back to operation 110, and execution operation subsequently.
In the time that in operation 216, definite operation is subsequently dehydrating operations, controller 52 arrives about 1000RPM with the about 700RPM of RPM(setting for final dewatering) execution dehydrating operations (220).
At this moment, controller 52 drives drain motor 22 by driver element 56.Thus, the water in bucket 11 is discharged to outside through first row water pipe 21 and second row water pipe 23.
In the time completing dehydrating operations, all operations that controller 52 is stopped driving washing motor 14 and drain motor 22 and stopped washing machine 1 by driver element 56.
In the time that all operations stops, user can open door 25 and take out clothing.
Therefore,, when the dehydrating operations that completes controller 52 is when all operations of washing machine 1 stops thus, controller 52 is determined door 25 whether be opened (222).In the situation that door 25 is not opened, the removal that controller 52 is postponed residual water operates until door 25 is opened.
When determine that door 25 is opened in operation 222 time, the door opening time timing (224) of controller 52 opposite houses 25.
In the time taking out clothing, user touches washtub 12, and washtub 12 rocks.The washtub 12 collision buckets 11 that rock, collision is arranged on the inspection switch 44 between bucket 11 and casing 10 thus.
In the time completing all operations termination of dehydrating operations and washing machine 1, controller 52 determines that whether inspection switch 44 is along with door 25 is opened in open mode (226).In the situation that checking that switch 44 is not opened, controller 52 is postponed the removal operation of residual water.
In the time determining that in operation 226 inspection switch 44 is opened, controller 52 determines whether the door opening time of the door 25 of institutes' timing reaches definite very first time (about more than 5 minutes) (228).
There is no past tense when definite very first time in operation 228, controller 52 repeats operation 228.
When determine past tense of the very first time in operation 228, controller 52 drives drain motor 22(230 by driver element 56).
In the time taking out clothing, user touches washtub 12, causes washtub 12 to rock and collide bucket 11.Therefore the water that remains in bucket 11 bottoms is gathered in the water discharge outlet 20 of the foot of bucket 11.
Therefore,, after washing operation completes, in the time that drain motor 22 is driven, the residual water that has moved to water discharge outlet 20 from the bottom periphery of bucket 11 is discharged to outside by first row water pipe 21 and second row water pipe 23.
After this, controller 52 is to the driven time timing of drain motor 22, and determines whether that the second time (more than about 3 seconds) of determining passes by (232).
There is no past tense when second time of determining in operation 232, controller 52 repeats operation 232.
When determine past tense of the second time in operation 232, controller 52 stops driving drain motor 22 by driver element 56, and stops residual water removal operation (234).
In the illustrated embodiment, as example, described for complete when all operations and the very first time past tense remove the residual water that remains in bucket 11 bottom and reach the algorithm of the second time by Continuous Drive drain motor 22.But embodiment is not limited to this.Above-mentioned object and effect can drive described drain motor 22 to reach for the second time by intermittence and realize.
Or, can be by driving the drain motor time short or longer than the second time to remove the residual water that remains in bucket 11 bottoms.
From above description, be apparent that, according to the washing machine and the control method thereof that propose, after all washing operations complete, in the past when the scheduled time, drive drain motor to remove the residual water of the bottom that remains in bucket.Thus, can prevent that residual water from freezing and obstruction water discharge outlet.In addition, can be removed residual water by control algolithm, and not increase independent equipment.Thus, can reduce manufacturing cost.
Although illustrated and described some embodiment, but will be apparent that for those skilled in the art, without departing from the principles and spirit of the present invention, can change these embodiments, scope of the present invention limits in its claim and equivalent.
The application requires to be delivered on February 18th, 2013 rights and interests of the 10-2013-0017196 korean patent application of Department of Intellectual Property of Korea S, and the disclosed content of the application is contained in this by reference.
Claims (14)
1. a control method for washing machine, described washing machine comprises: bucket, holds water; Water discharge outlet, is formed at the bottom of bucket to discharge water; Drainpipe, is connected to water discharge outlet; Drain motor, is arranged on drainpipe, and to control the discharge of water, described control method comprises:
After dehydrating operations completes, determine whether the door of washing machine is opened;
In the time determining that door is opened, the door opening time timing of opposite house;
Whether the door opening time of determining institute's timing has reached the very first time; And
In the time determining that the opening time of door has reached the very first time, remove operation by the residual water that drives drain motor to carry out the residual water of removing water discharge outlet place.
2. control method as claimed in claim 1 wherein, is carried out described residual water and is removed operation after all operations of washing machine completes.
3. control method as claimed in claim 1, wherein, drives drain motor to comprise:
Continue to drive drain motor.
4. control method as claimed in claim 1, described control method also comprises:
To the driven time timing of drain motor;
Whether the time of determining institute's timing reached for the second time; And
In the time that definite described time reached for the second time, drain motor is stopped.
5. control method as claimed in claim 4, wherein, the very first time is set to was longer than for the second time.
6. control method as claimed in claim 5, wherein, the very first time is at least 5 minutes.
7. control method as claimed in claim 5, wherein, the second time was at least 3 seconds.
8. a washing machine comprises:
Bucket, holds water;
Water discharge outlet, is formed at the bottom of bucket to discharge water;
Drainpipe, is connected to water discharge outlet;
Drain motor, is arranged on drainpipe, to control the discharge of water;
Washtub, is arranged in bucket, for accommodating laundry;
Door, opens and closes the entrance for putting into clothing;
Door switch, the opening or closing of detecting gate;
Controller, after completing dehydrating operations, in the time determining that door is opened, the door opening time timing of opposite house, in the time determining that the door opening time of institute's timing has reached the very first time, removes operation by driving drain motor to carry out residual water.
9. washing machine as claimed in claim 8, wherein, controller by drive drain motor reach the second time carry out remove water discharge outlet place residual water residual water remove operation.
10. washing machine as claimed in claim 8, wherein, controller, to the driven time timing of drain motor, in the time that the time of institute's timing reached for the second time, stops drain motor, removes operation to stop carrying out residual water.
11. washing machines as claimed in claim 8 wherein, are carried out described residual water and are removed operation after all operations of washing machine completes.
The control method of 12. 1 kinds of washing machines, comprising: bucket, holds water; Water discharge outlet, is formed at the bottom of bucket to discharge water; Drainpipe, is connected to water discharge outlet; And drain motor, be arranged on drainpipe, to control the discharge of water, described control method comprises:
Whether the door of determining washing machine is opened;
When determining that door is opened, the door opening time timing of opposite house;
Whether the door opening time of determining institute's timing has reached the very first time; And
In the time determining that the opening time of door has reached the very first time, remove operation by the residual water that drives drain motor to carry out the residual water of removing water discharge outlet place,
Wherein, after all operations of washing machine completes, carry out described residual water and remove operation.
13. control methods as claimed in claim 1, wherein, drive drain motor to comprise:
Drive drain motor by opening/closing drain motor in discrete mode.
14. 1 kinds of washing machines, comprising:
Bucket, holds water;
Water discharge outlet, is formed at the bottom of bucket to discharge water;
Drainpipe, is connected to water discharge outlet;
Drain motor, is arranged on drainpipe, to control the discharge of water;
Washtub, is arranged in bucket, for accommodating laundry;
Door, opens and closes the entrance for putting into clothing;
Door switch, the opening and closing of detecting gate;
Check switch, check whether washtub moves in the time that door is opened;
Controller, determine in the time that door is opened and check whether switch is opened, and checking after switch opens in the time being opened for definite, the door opening time timing of opposite house, with in the time determining that the door opening time of institute's timing has reached the very first time, remove operation by driving drain motor to carry out residual water.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130017196A KR20140103608A (en) | 2013-02-18 | 2013-02-18 | Washing machine and control method thereof |
| KR10-2013-0017196 | 2013-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103993456A true CN103993456A (en) | 2014-08-20 |
Family
ID=51307773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410047287.3A Pending CN103993456A (en) | 2013-02-18 | 2014-02-11 | Washing machine and control method thereof |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20140236363A1 (en) |
| KR (1) | KR20140103608A (en) |
| CN (1) | CN103993456A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429549A (en) * | 2015-12-11 | 2016-03-23 | 珠海格力电器股份有限公司 | Operation data processing method and device for washing machine |
| CN108642810A (en) * | 2018-04-04 | 2018-10-12 | 青岛海尔洗衣机有限公司 | The control method and washing machine of residual water in a kind of removing washing machine |
| CN109338674A (en) * | 2018-10-29 | 2019-02-15 | 青岛海尔洗衣机有限公司 | Alarm method for washing facility |
| CN113756051A (en) * | 2020-06-02 | 2021-12-07 | 青岛海尔洗衣机有限公司 | Control method of washing device and washing device |
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| US10066333B2 (en) * | 2014-02-21 | 2018-09-04 | Samsung Electronics Co., Ltd. | Washing machine with ball balancer and method of controlling vibration reduction thereof |
| KR102466662B1 (en) * | 2016-06-14 | 2022-11-14 | 엘지전자 주식회사 | Washing machine and method for contolling the same |
| CN108179587B (en) * | 2018-02-12 | 2023-06-23 | 合肥海尔洗衣机有限公司 | Washing machine residual water draining control method and washing machine |
| KR20200144820A (en) * | 2019-06-19 | 2020-12-30 | 삼성전자주식회사 | Control method of washing machine and washing machine |
| CN116991146B (en) * | 2023-09-26 | 2023-12-01 | 恒超源洗净科技(深圳)有限公司 | Control method and system of ultrasonic cleaning device |
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| JP2004337429A (en) * | 2003-05-16 | 2004-12-02 | Sanyo Electric Co Ltd | Dishwasher |
| US7421865B2 (en) * | 2003-12-18 | 2008-09-09 | Lg Electronics Inc. | Washing machine with drying function and method of controlling the same |
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| US20130014545A1 (en) * | 2011-02-23 | 2013-01-17 | Panasonic Corporation | Drum-type washing machine |
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- 2014-02-12 US US14/178,858 patent/US20140236363A1/en not_active Abandoned
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429549A (en) * | 2015-12-11 | 2016-03-23 | 珠海格力电器股份有限公司 | Operation data processing method and device for washing machine |
| CN105429549B (en) * | 2015-12-11 | 2018-01-23 | 珠海格力电器股份有限公司 | The processing method and processing device of washing machine service data |
| CN108642810A (en) * | 2018-04-04 | 2018-10-12 | 青岛海尔洗衣机有限公司 | The control method and washing machine of residual water in a kind of removing washing machine |
| CN109338674A (en) * | 2018-10-29 | 2019-02-15 | 青岛海尔洗衣机有限公司 | Alarm method for washing facility |
| CN113756051A (en) * | 2020-06-02 | 2021-12-07 | 青岛海尔洗衣机有限公司 | Control method of washing device and washing device |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140236363A1 (en) | 2014-08-21 |
| KR20140103608A (en) | 2014-08-27 |
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Application publication date: 20140820 |