CN103243513A - Washing machine and control method thereof - Google Patents
Washing machine and control method thereof Download PDFInfo
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- CN103243513A CN103243513A CN2013100412670A CN201310041267A CN103243513A CN 103243513 A CN103243513 A CN 103243513A CN 2013100412670 A CN2013100412670 A CN 2013100412670A CN 201310041267 A CN201310041267 A CN 201310041267A CN 103243513 A CN103243513 A CN 103243513A
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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
- D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
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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
- 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
- D06F23/02—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 horizontal axis
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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
- D06F39/088—Liquid supply arrangements
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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
- D06F2103/24—Spin speed; Drum movements
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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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/02—Water supply
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
A washing machine includes a drum, a water supply device, and a controller. The drum accommodates laundry, and the water supply device supplies water to the inside of the drum. The controller controls supply of water so that water is supplied into the drum from when rotational speed of the drum reaches a first predetermined speed, is decelerated and reaches a second predetermined speed, to when the rotational speed of the drum reaches to a third speed more than the second speed and less than the first speed, in a spin-drying cycle.
Description
Technical field
Embodiment of the present disclosure relate to a kind of by making accommodating laundry cylinder rotation and utilize the centrifugal force that is applied to clothing to carry out washing machine and control method thereof that dehydration (spin-drying) circulates.
Background technology
Usually, washing machine comprises: bucket is used for holding water (washings or washings); Cylinder is rotatably installed in the bucket and accommodating laundry; Motor produces driving force so that cylinder rotates, and washing machine promotes the washing that the operation that falls then realizes clothing by make the clothing in the cylinder when rotatingcylindrical drum rotates.
Such washing machine is carried out the washing of clothing by a series of circulations, and the water (washings) that described a series of circulations such as use contains washing agent makes wash cycle that dirt separates with clothing, use the water (washings) that do not comprise washing agent to defoam or the rinse cycle of residual washing agent and the dewatering cycle that makes clothes dewatering from clothing.Before the washing of clothing was carried out in a series of circulations by this, the user was placed on clothing in the washing machine.
When carrying out rinse cycle, traditional washing machine carries out rinsing and dirt is separated with clothing clothing by repeating to comprise the operation of water supply, rinsing and draining.In addition, when rinse cycle was finished, washing machine was applied to by making the cylinder rotation and utilizing that the centrifugal force of clothing makes remaining dirt separate with clothing in the cylinder when carrying out dewatering cycle.Therefore, traditional washing machine needs long time and a large amount of water (washings or washings) to carry out this operation.
Summary of the invention
Therefore, one side of the present disclosure provides a kind of such washing machine and control method, that is, when carrying out the dewatering cycle of washing machine, when the rotary speed of cylinder reached command speed and reduces then, this washing machine was injected into water in the cylinder.
Another aspect of the present disclosure provides a kind of such washing machine and control method thereof, that is, when specifying acceleration, this washing machine stops to inject water in cylinder in the rotary acceleration of cylinder.
Other aspect of the present disclosure will be partly articulated in the following description, and part is clearly from describe, and perhaps can be understood by enforcement of the present disclosure.
According to one side of the present disclosure, a kind of washing machine, described washing machine comprises: cylinder, accommodating laundry; Water supply installation is provided to cylinder inside with water; And controller, the supply of control water, thereby in dewatering cycle, when reaching first predetermined speed from the rotary speed of cylinder, slow down when reaching second predetermined speed and reaching third speed then to the rotary speed of cylinder, supply water in cylinder, wherein, third speed is greater than second speed and less than first speed.
Described water supply installation can comprise: inject nozzle, water is injected in the cylinder; Feed water valve is regulated the supply from the washing machine outside to the water that injects nozzle.
First speed can be the rotary speed greater than second speed, and second speed can be resonant speed.
Controller can be regulated the opening and closing time of feed water valve and at least one in the opening and closing degree.
Reach in the process that second speed reaches third speed then in the rotary speed of cylinder, if the rotary acceleration of cylinder greater than predetermined acceleration, then controller can stop to inject water in cylinder by cutting out feed water valve.
Controller can reach second speed in the rotary speed of cylinder, keeps second speed to arrive then in the process of third speed water is provided in the cylinder.
First speed can be the rotary speed greater than second speed, and second speed can be the rotary speed less than resonant speed.
Controller can be regulated the opening and closing time of feed water valve and at least one in the opening and closing degree.
Reach in the process that second speed reaches third speed then in the rotary speed of cylinder, if the rotary acceleration of cylinder greater than predetermined acceleration, then controller can stop to inject water in cylinder by cutting out feed water valve.
According to another aspect of the present disclosure, a kind of control method of washing machine may further comprise the steps: in dewatering cycle, bring into use the injection nozzle water to be injected in the cylinder of accommodating laundry when the rotary speed when cylinder reaches first predetermined speed; Slowing down and reach second predetermined speed when the rotary speed of cylinder stops to inject water in cylinder when the rotary speed of cylinder reaches third speed then, and wherein, third speed is greater than second speed and less than first speed.
First speed can be the rotary speed greater than second speed, and second speed can be resonant speed.
Use injecting nozzle can comprise the step that water is injected in the cylinder: inject water with at least one of opening and closing degree in cylinder by the opening and closing time of regulating feed water valve, wherein, feed water valve is regulated the water supply to the injection nozzle.
The step that stops to inject in the cylinder water can comprise: the rotary speed at cylinder reaches the process that second speed reaches third speed then, if the rotary acceleration of cylinder is greater than predetermined acceleration, then controller stops to inject water in cylinder by cutting out feed water valve.
The step that stops to inject in the cylinder water can comprise: when the rotary speed of cylinder reaches second speed, keep second speed to reach then in the process of third speed, stop to inject water in cylinder.
First speed can be the rotary speed greater than second speed, and second speed can be the rotary speed less than resonant speed.
Use injecting nozzle can comprise the step that water is injected in the cylinder: inject water with at least one of opening and closing degree in cylinder by the opening and closing time of regulating feed water valve, wherein, feed water valve is regulated the water supply to the injection nozzle.
The step that stops to inject in the cylinder water can comprise: the rotary speed at cylinder reaches second speed, keeps second speed, reaches then in the process of third speed, if the rotary acceleration of cylinder greater than predetermined acceleration, then stops to inject water in cylinder.
Description of drawings
By the description of embodiment being carried out below in conjunction with accompanying drawing, these and/or other side of the present disclosure will become clear and easier quilt is understood, in the accompanying drawings:
Fig. 1 is the stereogram that schematically shows according to the outward appearance of the washing machine of an embodiment of the present disclosure;
Fig. 2 is the cutaway view that schematically shows according to the structure of the washing machine of an embodiment of the present disclosure;
Fig. 3 is the block diagram that schematically shows according to the control system of the washing machine of an embodiment of the present disclosure;
Fig. 4 is the flow chart that schematically shows according to the control method of the washing machine of an embodiment of the present disclosure;
Fig. 5 is illustrated schematically in the secondary feed water valve of washing machine in the control method of Fig. 4 according to the curve map of the mode of operation of time;
Fig. 6 is the flow chart that schematically shows according to the control method of the washing machine of another embodiment of the present disclosure;
Fig. 7 is illustrated schematically in the mode of operation curve map of the secondary feed water valve of washing machine in the control method of Fig. 6 according to the time;
Fig. 8 is the flow chart that schematically shows according to the control method of the washing machine of another embodiment of the present disclosure;
Fig. 9 is illustrated schematically in the secondary feed water valve of washing machine in the control method of Fig. 8 according to the curve map of the mode of operation of time.
The specific embodiment
To explain embodiment of the present disclosure in detail now, example of the present disclosure illustrates in the accompanying drawings, and wherein, identical label is represented components identical all the time.
Fig. 1 is the stereogram that schematically shows according to the outward appearance of the washing machine of an embodiment of the present disclosure, and Fig. 2 is the cutaway view that schematically shows according to the structure of the washing machine of described embodiment of the present disclosure.
See figures.1.and.2, washing machine 1 comprises: main body 10, the outward appearance of formation washing machine 1; Drum 11 is installed in the main body 10 and storage of water (washings or washings); Rotatingcylindrical drum 20 is rotatably installed in the bucket 11 and is provided with a plurality of holes 24.
Rotating shaft 31 is arranged between cylinder 20 and the motor 30.One end of rotating shaft 31 is connected to the rear board 23 of cylinder 20, and the other end of rotating shaft 31 extends to the outside of the rear wall of bucket 11.When motor 30 drives rotating shaft 31, be connected to the cylinder 20 of rotating shaft 31 around rotating shaft 31 rotations.
The bearing block 33 of supporting rotating shaft 31 is installed on the rear wall of bucket 11 rotatably.Bearing block 33 can be formed by aluminium alloy, and when forming bucket 11 by casting, bearing block 33 can be inserted in the rear wall of bucket 11.Bearing 32 is installed between bearing block 33 and the rotating shaft 31 so that rotating shaft 31 rotates effectively.
In the wash cycle process, motor 30 makes cylinder 20 be rotated in the forward and reverse rotation with low speed, thereby will remove the clothing of fouling products in cylinder 20 by clothing being promoted and falling.In the dewatering cycle process, when motor made cylinder 20 rotate at a high speed along a direction, water separated with clothing under the action of centrifugal force of clothing being applied to.
The circumferential surface that is used for making a plurality of holes 24 of washings circulation to pass cylinder 20 forms, and a plurality of lifting member 25 is installed on the inner circumferential surface of cylinder 20, thereby makes the clothing lifting and clothing is fallen when cylinder 20 rotations.
Form and be installed on the front surface of cylinder 20 and in the rear surface each with the concentric balancer 15 of the pivot of cylinder 20 with dish type.When cylinder 20 rotation, this balancer 15 can reduce because the vibration that the off-centre of the unbalanced eccentric structure of cylinder 20 and cylinder 20 interior clothings produces.
The door 17 that opens and closes entrance 27 is installed on the front surface of main body 10, clothing is put into the inside of cylinder 20 and pass through entrance 27 with the inside taking-up of clothing from cylinder 20 by entrance 27.
The detergent supply device 61 of washing agent (for example, synthetic detergent or natural soap detergent) is provided and provides the water supply installation 40 of water (washings or washings) to be installed in the top of bucket 11.
The inside of detergent supply device 61 is divided into a plurality of spaces, and detergent supply device 61 is installed on the front surface of main body 10, thereby the user easily puts into washing agent and fabric rinsing agent in each space.
In addition, water supply installation 40 comprises: secondary water supply pipe 44 is provided with the end that branches out from main-supply 43 water directly is provided to the inside of cylinder 20; Inject nozzle 45, be installed in the other end of secondary water supply pipe 44 and water under high pressure is injected in the cylinder 20.Secondary feed water valve 42 is installed in the water supply of also controlling on the secondary water supply pipe 44 by secondary water supply pipe 44.This structure allows water need not be provided directly to injection nozzle 45 through detergent supply device 61.Thereby the water that mixes with washing agent is not injected in the cylinder 20.
Various buttons and display unit are arranged on the control panel 70, and wherein, described various buttons receive instruction with the operation of control washing machine 1 from the user, and display unit shows the duty of washing machine 1 and user's mode of operation.
In addition, comprise the drainage arrangement 50 that water is discharged from the inside of bucket 11 according to the washing machine 1 of this embodiment of the present disclosure, and drainage arrangement 50 comprises: first drainpipe 51, the bottom that is connected to bucket 11 is to be discharged to the outside with water from the inside of bucket 11; Draining pump 52 is installed on first drainpipe 51; Second drainpipe 53 is connected to the outlet of draining pump 52.
In addition, comprise the damper 16 of the vibration that reduces bucket 11 belows according to the washing machine 1 of this embodiment of the present disclosure, with the vibration that produces in the operating process that is suppressed at washing machine 1.Damper 16 is arranged on bucket 11 belows and barrel support 11 movably.That is, the exciting force excitation that bucket 11 produces during by cylinder 20 rotation, thereby go up vibration in all directions (that is direction up and down), forward and backward, left and to the right.Damper 16 reduces this vibration of bucket 11.
Fig. 3 is the block diagram that schematically shows according to the control system of the washing machine of this embodiment of the present disclosure.
With reference to Fig. 3, washing machine comprises input block 111, water level sensing unit 112, vibration-sensing unit 113, RPM sensing cell 114, controller 120 and driver element 130.
The effect of input block 111 is the activation bits by user's operation input such as wash cycle, rinse cycle and the dewatering cycle of washing machine, and input block 111 can comprise key, button, switch, touch pad etc.Input block 111 comprises any device that produces appointment input data by operation (such as pushing away, contact, press and rotating).
In addition, input block 111 is arranged on the control panel 70, and comprises for a plurality of buttons (be used for select the button of power, reservation function, temperature of washing water, immersion, washing, rinsing, dehydration, washing agent kind etc.) of input about the activation bit of the operation of washing machine.
Water level sensing unit 112 uses level sensor 13 sensings to be fed to the water level of bucket, and vibration-sensing unit 113 uses the vibration of vibrating sensor 14 sensing buckets, the RPM of RPM sensing cell 114 detection-sensitive motors 30.Then, water level sensing unit 112, vibration-sensing unit 113 and RPM sensing cell 114 are input to controller 120 with water level, vibration and the RPM of sensing.
For washing machine according to coming the operation of the drive control signal of self-controller 120, driver element 130 drive motors 30, washing heater 12, feed water valve 140 and draining pump 52.Here, feed water valve 140 comprises main feed water valve 41 and secondary feed water valve 42.
Hereinafter, will describe in detail according to the control method of the washing machine of an embodiment of the present disclosure and the driving condition of secondary feed water valve.
Fig. 4 is the flow chart that schematically shows according to the control method of the washing machine of an embodiment of the present disclosure.
With reference to Fig. 4, controller 120 drives draining pump 52 so that water is discharged into outside (operation S410) from bucket 11 by driver element 130.Thereby the water in the bucket 11 is discharged into the outside through first drainpipe 51 and second drainpipe 53.
In addition, controller 120 passes through driver element 130 drive motors 30 so that the speed rotation (operation S411) of cylinder 20 to accelerate.Then, the RPM of RPM sensing cell 114 detection-sensitive motors 30.Here, because the RPM of motor 30 is corresponding to the RPM of cylinder 20, so the RPM of the motor 30 that controller 120 can be by RPM sensing cell 114 sensings calculates rotary speed and the rotary acceleration of cylinder 20.
Afterwards, controller 120 judges whether the rotary speed of cylinder 20 reaches the first predetermined reference speed, and when the rotary speed of judging cylinder 20 reached the first predetermined reference speed, controller 120 stopped the driving (operation S412) of motor 30 by driver element 130.
First can be greater than the resonant speed of washing machine 1 with reference to predetermined speed.This is for the eccentricity issues that solves the clothing in the cylinder 20 when regulating the rotary speed of cylinder 20 and crosses resonant speed.Here, resonant speed refers to the rotary speed of cylinder 20 when producing vibration fast owing to the performance of washing machine 1.
In addition, when the rotary speed of cylinder 20 reached the first predetermined reference speed and slows down subsequently, controller 120 made water be injected into (operation S413) in the cylinder 20 by driver element 130 open auxiliary feed water valves 42.Although the driving of motor 30 stops, when the rotary speed of cylinder 20 is slowed down under the effect of frictional force because the rotation that the rotatory inertia of cylinder 20 still keeps cylinder 20.Here, controller 120 is injected into water in the cylinder 20 by driver element 130 open auxiliary feed water valves 42.In addition, controller 120 can make water be injected in the cylinder 20 at the appointed time by the opening and closing time of regulating secondary feed water valve 42, and can the water of specified amount is injected in the cylinder 20.
Thereby, owing to the water under high pressure that is injected in the cylinder 20 has passed clothing also thereby remaining fouling products is separated with clothing, so clothing is clean by rinsing at short notice.
Afterwards, controller 120 judges whether the whether over and done with fixed time after the rotary speed of cylinder 20 is slowed down, and when having judged the fixed time over and done with, controller 120 by driver element 130 again drive motors 30 make the speed rotation (operation S414) of cylinder 20 to accelerate.For example, the fixed time can be about 20 seconds.
As mentioned above, although whether reach the driving that the first predetermined reference speed has stopped motor 30 based on the rotary speed of cylinder 20, can stop the driving of motor 30 based on other standard.For example, controller 120 can come to stop by driver element 130 driving of motor 30 by the eccentric degree of judging clothing.For this purpose, controller 120 can be judged the eccentric degree of clothing according to bucket 11 the extent of vibration of vibration-sensing unit 113 sensings, and when the eccentric degree of clothing during greater than the predetermined reference eccentric degree, controller 120 stops the driving of motor 30 by driver element 130.
In addition, when having stopped over and done with fixed time of back in motor-driven, when the eccentric degree of clothing during less than the reference eccentric degree, perhaps when the rotary speed of cylinder 20 reaches second reference velocity, controller 120 makes balancer arrive the position of the too much vibration that reduces bucket 11 when drive motors 30 makes cylinder 20 with the speed rotation of accelerating again by driver element 130.Here, second reference velocity can be resonant speed.
In this process, controller 120 can accelerate the rotary speed of cylinder 20 according to predefined phase or the scheduled time.
In addition, controller 120 judges that whether the rotary acceleration of cylinder 20 is greater than predetermined reference acceleration (operation S415).When the rotary acceleration of judging cylinder 20 during greater than the predetermined reference acceleration, controller 120 cuts out secondary feed water valve 42 by driver element 130 and stop to inject water (operation S416) in cylinder 20.On the other hand, when the rotary acceleration of judging cylinder 20 was not more than the predetermined reference acceleration, controller 120 kept the open mode of secondary feed water valve 42 to continue injecting water in cylinder 20 by driver element 130.
With reference to figure 5, when the rotary speed of cylinder 20 reaches the first predetermined reference speed, stop the driving of motor 30, so the rotary speed of cylinder 20 slows down, and secondary feed water valve 42 opens, thereby water is injected in the cylinder 20.
In addition, when the back of slowing down in the rotary speed of cylinder 20 over and done with during the fixed time, perhaps when the rotary speed of cylinder 20 reaches second reference velocity, motor 30 is driven again, so cylinder 20 rotates with the speed of accelerating.Here, as mentioned above, the rotary speed of cylinder 20 is accelerated according to predefined phase or the scheduled time.Supposing that the predetermined reference acceleration is under the situation of 6rpm/s, rotary acceleration at cylinder 20 is in the stage of 2rpm/s, the rotary acceleration of cylinder 20 is not more than reference acceleration, therefore keeps the open mode of secondary feed water valve 42 and water to be injected into continuously in the cylinder 20.Yet, be in the stage of 8rpm/s in the rotary acceleration of cylinder 20, the rotary acceleration of cylinder is greater than reference acceleration, and therefore, secondary feed water valve 42 is closed and stops to inject water in cylinder 20.
On the other hand, rotary speed at cylinder 20 reaches in the process of the 3rd reference velocity, when the rotary acceleration of cylinder 20 is not more than reference acceleration when making cylinder 20 with the speed rotation accelerated by drive motors 30 again when, keep the open mode of secondary feed water valve 42 and water to be injected into continuously in the cylinder 20.Here, the 3rd reference velocity can be greater than second reference velocity and less than first reference velocity.Hereinafter, for convenience of description, the 3rd reference velocity will be described to less than first reference velocity.
The reason of aforesaid operations be if the rotary acceleration of cylinder 20 greater than reference acceleration, then the water yield of discharging from clothing in dewatering cycle increases, at this moment, in the time of in water is injected into cylinder 20, the water yield of discharging from clothing further increases, as a result, the water in the bucket 11 is not discharged into the outside by draining pump, but still is retained between the cylinder 20 of bucket 11 and rotation.In order to prevent this problem, in the control method according to the washing machine of this embodiment of the present disclosure, when the rotary acceleration of cylinder 20 during greater than reference acceleration, stop in cylinder 20, injecting water.
When the rotary speed of cylinder 20 was accelerated gradually and reached the 3rd reference velocity, the RPM that controller 120 is regulated motor 30 by driver element 130 kept the rotary speed (operation S417) of cylinder 20.When the rotary speed of cylinder 20 kept the 3rd reference velocity, the water of bucket in 11 were continuously discharged into the outside by draining pump 52, therefore were discharged to water in the bucket 11 from clothing and can stay between bucket 11 and the cylinder 20 but discharged effectively.
Afterwards, controller 120 has judged whether over and done with the fixed time, and when having judged the fixed time over and done with, controller 120 by driver element 130 again drive motors 30 make the speed rotation (operation S418) of cylinder 20 to accelerate.
In addition, controller 120 judges whether the rotary speed by the cylinder 20 of RPM sensing cell 114 sensings reaches maximal rate, and stops the driving (operation S419) of motor 30 when the rotary speed of judging cylinder 20 reaches maximal rate by driver element 130.Although stopped the driving of motor 30, the rotation that owing to the rotatory inertia of cylinder 20 keeps cylinder 20 when the rotary speed of cylinder 20 is slowed down under the effect of frictional force.
Afterwards, controller 120 judges whether cylinder 20 stops (operation S420).When judging that cylinder 20 stops, controller 120 stops the driving (operation S421) of draining pump 52 by driver element 130.
Dewatering cycle and last dewatering cycle in the middle of the dewatering cycle of washing machine can be divided into.Here, middle dewatering cycle refers to the dewatering cycle of discharging washings after washing operation is finished in cylinder 20 rotations from bucket 11, perhaps refer to such dewatering cycle, namely, if carry out repeatedly rinsing operation, then in cylinder 20 rotations, discharging washings from bucket 11 between each rinsing operation.In addition, last dewatering cycle refers in washing operation and rinsing operation and finished the dewatering cycle of cylinder 20 rotations afterwards to discharge remaining water and remaining water is separated with clothing from bucket 11.
Under the situation of middle dewatering cycle, even when the rotary speed of cylinder 20 reaches maximal rate and slows down then, controller 120 also can be injected in the cylinder 20 water by driver element 130 open auxiliary feed water valves 42.Thus, can reduce the water yield that in the rinsing operation, consumes, improve the wash effect of clothing simultaneously.In addition, in the end in the dewatering cycle, in order to make the least amount of water that remains in the clothing, controller 120 was not injected into water in the cylinder 20 in the time of can reaching maximal rate in the rotary speed of cylinder 20 and slow down then.
Fig. 6 is the flow chart that schematically shows according to the control method of the washing machine of another embodiment of the disclosure.Hereinafter, the detailed description to the process of operating S617 to the operation S610 from Fig. 6 identical with process among Fig. 4 will be omitted.
With reference to Fig. 6, controller 120 has judged whether over and done with the fixed time, and when over and done with fixed time, controller 120 by driver element 130 again drive motors 30 make the speed rotation (operation S618) of cylinder 20 to accelerate.Here, controller 120 is carried out the high speed dewatering of clothing to maximum RPM by drive motors 30.
In this process, controller 120 accelerates motor 30 by driver element 130 continuously.When motor 30 was accelerated continuously, the water between bucket 11 and the cylinder 20 can not discharge by draining pump 52 but can be remaining, and because remaining water can cause vibration and the noise of bucket 11 further to increase.Therefore, controller 120 is divided into a plurality of stages with the high speed dewatering process, in each stage, when reaching predetermined RPM, the RPM of motor 30 judges the eccentric level of clothing according to the level of vibration of the bucket 11 of vibration-sensing unit 113 sensings, pass through driver element 130 drive motors 30 according to the eccentric level of judging, thereby little by little increase the rotary speed of cylinder 20.
Afterwards, controller 120 judges whether the rotary speed of cylinder 20 reaches maximal rate, and when the rotary speed of judging cylinder 20 reached maximal rate, the RPM that controller 120 is regulated motor 30 by driver element 130 kept the rotary speed (operation S619) of cylinder 20.Controller 120 has judged whether over and done with the fixed time, and stops the driving (operation S620) of motor 30 when having judged the fixed time over and done with by driver element 130.Although stopped the driving of motor 30, the rotation that owing to the rotatory inertia of cylinder 20 keeps cylinder 20 when the rotary speed of cylinder 20 is slowed down under the effect of frictional force.Afterwards, controller 120 judges whether cylinder 20 stops (operation S621).Then, when judging that cylinder 20 stops, controller 120 stops the driving of draining pump 52 by driver element 130.
With reference to Fig. 7, when the rotary speed of cylinder 20 reached the first predetermined reference speed, the driving of motor 30 stopped, so the rotary speed of cylinder 20 slows down, secondary feed water valve 42 be opened and therefore water be injected in the cylinder 20.In addition, after the rotary speed of cylinder 20 is slowed down during over and done with fixed time or when the rotary speed of cylinder 20 reached second reference velocity, motor 30 was driven again, so cylinder 20 rotates with acceleration.Here, as mentioned above, the rotary speed of cylinder 20 is accelerated according to predefined phase or the scheduled time.Here, compare to keep the open mode of secondary feed water valve 42 or close secondary feed water valve 42 by rotary acceleration and predetermined reference acceleration with cylinder 20, this point is identical with situation among Fig. 5.
Fig. 8 is the flow chart that schematically shows according to the control method of the washing machine of another embodiment of the present disclosure.Hereinafter, the detailed description to the process of operating S811 to the operation S810 among Fig. 8 identical with process among Fig. 4 and Fig. 6 will be omitted.
With reference to Fig. 8, controller 120 judges whether the rotary speed of cylinder 20 has reached the first predetermined reference speed, and when the rotary speed of judging cylinder 20 reached the first predetermined reference speed, the RPM that controller 120 is regulated motor 30 by driver element 130 kept the rotary speed (operation S812) of cylinder 20.
Afterwards, controller 120 is judged the whether over and done with fixed time after the rotary speed of cylinder 20 is slowed down, and when over and done with fixed time, perhaps when the rotary speed of cylinder 20 reaches second reference velocity, controller 120 is being regulated the RPM of motor 30 in the drive motors 30 again by driver element, thereby keeps the rotary speed (operation S815) of cylinder 20.
Afterwards, controller 120 judges that whether the rotary acceleration of cylinder 20 is greater than predetermined reference acceleration (operation S817).During greater than the predetermined reference acceleration, controller 120 cuts out secondary feed water valve 42 by driver element 130 and stop to inject water (operation S818) in cylinder 20 in the rotary acceleration of judging cylinder 20.On the other hand, when the rotary acceleration of judging cylinder 20 was not more than the predetermined reference acceleration, controller 120 kept the open mode of secondary feed water valve 42 to inject water continuously in cylinder 20 by driver element 130.
With reference to Fig. 9, when having begun from the first predetermined reference speed that keeps cylinder 20 fixed time over and done with, the driving of motor 30 stops, so the rotary speed of cylinder 20 slows down, and secondary feed water valve 42 is opened, so water is injected in the cylinder 20.In addition, when over and done with fixed time after the rotary speed of cylinder 20 is slowed down, perhaps when the rotary speed of cylinder 20 reaches second reference velocity, keep the rotary speed of cylinder 20 by the RPM of adjusting motor 30.
In the rotary speed that keeps cylinder evenly, controller 120 is judged the eccentric level of clothing according to the level of vibration of the bucket 11 of vibration-sensing unit 113 sensings.In addition, controller 120 is according to the position of the eccentric level judgement balancer of clothing, and when balancer was positioned at the position of the too much vibration that reduces bucket 11, controller 120 made the speed rotation of cylinder 20 to accelerate by drive motors 30.
Supposing that the predetermined reference acceleration is 6rpm/s, is the stage of 0rpm/s in the rotary acceleration of cylinder 20, and the rotary acceleration of cylinder 20 is not more than reference acceleration, therefore, keeps the open mode of secondary feed water valve 42 and water to be injected into continuously in the cylinder 20.Yet, in the stage of cylinder 20 with acceleration rotation, that is, be under the situation of 8rpm/s in the rotary acceleration of cylinder 20, the rotary acceleration of cylinder is greater than reference acceleration, therefore closes secondary feed water valve 42 and stops to inject water in cylinder 20.
When the rotary speed of cylinder 20 was accelerated gradually and reached the 3rd reference velocity, the RPM that controller 120 is regulated motor 30 by driver element 130 kept the rotary speed (operation S819) of cylinder 20.Afterwards, controller 120 has judged whether over and done with the fixed time, and when having judged the fixed time over and done with, controller 120 by driver element 130 again drive motors 30 make the speed rotation (operation S820) of cylinder 20 to accelerate.
In addition, controller 120 judges whether the rotary speed of the cylinder 20 of RPM sensing cell 114 sensings reaches maximal rate, and when the rotary speed of judging cylinder 20 reached maximal rate, the RPM that controller 120 is regulated motor 30 by driver element 130 kept the rotary speed (operation S821) of cylinder 20.Afterwards, controller 120 has judged whether over and done with the fixed time, and when having judged the fixed time over and done with, controller 120 stops the driving (operation S822) of motor 30 by driver element 130.Although the driving of motor 30 stops, the rotation that when slowing down under the effect of rotary speed in frictional force of cylinder 20, keeps cylinder 20 owing to the rotatory inertia of cylinder 20.Afterwards, controller 120 judges whether cylinder 20 stops (operation S823).When judging that cylinder 20 stops, controller 120 stops the driving (operation S824) of draining pump 52 by driver element 130.
Although the maximal rate of an embodiment cylinder 20 of the present disclosure is set to about 1000RPM, the rotary speed of cylinder 20 can change according to capacity or the structure of washing machine.
Be clear that from foregoing description in washing machine and control method thereof according to an embodiment of the present disclosure, when the rotary speed of cylinder when carrying out the dewatering cycle of washing machine reached command speed and slows down then, water was injected in the cylinder.Therefore, guaranteed the contact time of water and clothing, the water of injection makes remaining fouling products separate with clothing when passing clothing, and therefore, clothing can be at short notice by rinsing.In addition, because when the rotary acceleration of cylinder stops to inject water in cylinder when specifying acceleration, thus can prevent from being discharged into the water yield in the bucket increases and bucket in water be not discharged into the outside but remain in bucket and the cylinder that rotates between phenomenon.
Although illustrated and described several embodiment of the present disclosure, but skilled person will appreciate that, under the situation that does not break away from principle of the present disclosure and spirit, can make a change in these embodiments, scope of the present invention is limited by claim and equivalent thereof.
Claims (15)
1. washing machine, described washing machine comprises:
Cylinder, accommodating laundry;
Water supply installation is provided to cylinder inside with water; With
Controller, the supply of control water, thereby in dewatering cycle, when reaching first predetermined speed from the rotary speed of cylinder, slow down when reaching second predetermined speed and reaching third speed then to the rotary speed of cylinder, water is fed in the cylinder, and wherein, second speed is less than first speed and less than third speed.
2. washing machine according to claim 1, wherein, described water supply installation comprises:
Inject nozzle, water is injected in the cylinder;
Feed water valve is regulated the supply from the washing machine outside to the water that injects nozzle.
3. washing machine according to claim 2, wherein, first speed is the rotary speed greater than second speed, second speed is resonant speed.
4. washing machine according to claim 3, wherein, controller is regulated the opening and closing time of feed water valve and at least one in the opening and closing degree.
5. washing machine according to claim 3, wherein, reach in the process that second speed reaches third speed then in the rotary speed of cylinder, if the rotary acceleration of cylinder greater than predetermined acceleration, then controller stops to inject water in cylinder by cutting out feed water valve.
6. washing machine according to claim 2 wherein, reaches second speed in the rotary speed of cylinder, keeps second speed to arrive then in the process of third speed, and controller is provided in the cylinder water.
7. washing machine according to claim 6, wherein, first speed is the rotary speed greater than second speed, and second speed is the rotary speed that equals resonant speed.
8. washing machine according to claim 7, wherein, controller is regulated the opening and closing time of feed water valve and at least one in the opening and closing degree.
9. washing machine according to claim 8, wherein, reach in the process that second speed reaches third speed then in the rotary speed of cylinder, if the rotary acceleration of cylinder greater than predetermined acceleration, then controller stops to inject water in cylinder by cutting out feed water valve.
10. the control method of a washing machine said method comprising the steps of:
In dewatering cycle, when reaching first predetermined speed, the rotary speed when cylinder bring into use the injection nozzle water to be injected in the cylinder of accommodating laundry;
Slowing down and reach second predetermined speed when the rotary speed of cylinder stops to inject water in cylinder when the rotary speed of cylinder reaches third speed then, and wherein, second speed is less than first speed and less than third speed.
11. method according to claim 10, wherein, use injecting nozzle comprises the step that water is injected in the cylinder: the opening and closing time by regulating feed water valve and at least one of opening and closing degree are injected water in cylinder, wherein, feed water valve is regulated injecting the water supply of nozzle.
12. method according to claim 10, wherein, the step that stops to inject in the cylinder water comprises: the rotary speed at cylinder reaches the process that second speed reaches third speed then, if the rotary acceleration of cylinder greater than predetermined acceleration, then stops to inject water in cylinder.
13. method according to claim 10, wherein, the step that stops to inject in the cylinder water comprises: when the rotary speed of cylinder reaches second speed, keep second speed to reach then in the process of third speed, stop to inject water in cylinder.
14. method according to claim 13, wherein, use injecting nozzle comprises the step that water is injected in the cylinder: the opening and closing time by regulating feed water valve and at least one of opening and closing degree are injected water in cylinder, wherein, feed water valve is regulated injecting the water supply of nozzle.
15. method according to claim 13, wherein, the step that stops to inject in the cylinder water comprises: the rotary speed at cylinder reaches second speed, keep second speed, reach then in the process of third speed, if the rotary acceleration of cylinder greater than predetermined acceleration, then stops to inject water in cylinder.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120011215A KR101506146B1 (en) | 2012-02-03 | 2012-02-03 | Washing machine and control method thereof |
| KR10-2012-0011215 | 2012-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103243513A true CN103243513A (en) | 2013-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100412670A Pending CN103243513A (en) | 2012-02-03 | 2013-02-01 | Washing machine and control method thereof |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20130198969A1 (en) |
| EP (1) | EP2623660A3 (en) |
| KR (1) | KR101506146B1 (en) |
| CN (1) | CN103243513A (en) |
Cited By (4)
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| CN105369552A (en) * | 2014-08-19 | 2016-03-02 | Lg电子株式会社 | Washing machine and method of controlling the same |
| CN110409115A (en) * | 2018-04-26 | 2019-11-05 | 无锡小天鹅电器有限公司 | Control method, device for clothing processing and the computer equipment of device for clothing processing |
| CN114341419A (en) * | 2019-08-29 | 2022-04-12 | Bsh家用电器有限公司 | Laundry care appliance with control |
| CN114341418A (en) * | 2019-08-29 | 2022-04-12 | Bsh家用电器有限公司 | Laundry care appliance with control |
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| KR20150075626A (en) * | 2013-12-26 | 2015-07-06 | 동부대우전자 주식회사 | Apparatus and method for reducing vibration of washing machine |
| US10066333B2 (en) * | 2014-02-21 | 2018-09-04 | Samsung Electronics Co., Ltd. | Washing machine with ball balancer and method of controlling vibration reduction thereof |
| KR102533498B1 (en) * | 2018-06-04 | 2023-05-17 | 엘지전자 주식회사 | Method of controlling washing machine |
| KR102535188B1 (en) * | 2018-06-04 | 2023-05-19 | 엘지전자 주식회사 | Method of controlling washing machine |
| DE102019213014A1 (en) * | 2019-08-29 | 2021-03-04 | BSH Hausgeräte GmbH | Laundry care device with one control |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2623660A3 (en) | 2013-10-09 |
| EP2623660A2 (en) | 2013-08-07 |
| KR20130090120A (en) | 2013-08-13 |
| KR101506146B1 (en) | 2015-03-26 |
| US20130198969A1 (en) | 2013-08-08 |
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Application publication date: 20130814 |