CN101701405B - Washing machine dehydration speed controlling devices and methods thereof - Google Patents
Washing machine dehydration speed controlling devices and methods thereof Download PDFInfo
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- CN101701405B CN101701405B CN2009102085944A CN200910208594A CN101701405B CN 101701405 B CN101701405 B CN 101701405B CN 2009102085944 A CN2009102085944 A CN 2009102085944A CN 200910208594 A CN200910208594 A CN 200910208594A CN 101701405 B CN101701405 B CN 101701405B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
- D06F33/40—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from the laundry
-
- 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
- D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
- D06F33/52—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/62—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/08—Control circuits or arrangements thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/10—Power supply arrangements, e.g. stand-by circuits
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/20—Parameters relating to constructional components, e.g. door sensors
-
- 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
-
- 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
- D06F2105/08—Draining of washing liquids
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
Abstract
The invention relates to washing machine dehydration speed controlling devices and methods thereof, characterized in that washing machine dehydration speed controlling method includes the following steps: a step of increasing the motor speed by dutycycle control and lead angle control upon entering the dehydration mode; a step of testing the motor speed, and calculating the increasing amount of the motor speed; and a step of changing the speed of the current motor according to the detected increasing degree of the motor speed. According to the invention, the required time of the laundry machine in the dehydration stroke can be shortened, and the energy consumption can be reduced.
Description
Technical field
The present invention relates to the dehydration speed controlling devices and the method thereof of washing machine, in particular, is when dutycycle is controlled, when the speed of motor can't pass through will to force at full speed to control motor under the situation of dutycycle control more than the certain speed.
Background technology
In general, device for clothing processing refers to the washing machine that is used for washing clothes or washing and drying clothes, and the dryer of drying clothes only.In above-mentioned device for clothing processing, be provided with a plurality of display unit; In laundry processes or drying course; Can show the operation information of laundry or drying time, current device for clothing processing, the detected information of a plurality of checkout gears, the various information such as state of device for clothing processing to the outside, or confirm that the user waits the various information of importing through the input unit that is provided with in the device for clothing processing through the inside and outside.
In order to satisfy user's multiple demand; In above-mentioned washing machine, be provided with multiple stroke and a plurality of user's set-up functions etc.; Particularly; The stroke that often uses to the user will make the user can directly set multiple travel conditions such as washing, cleaning, dehydration and use, thereby can improve the convenience in user's use.
In the washing machine of prior art; When the dehydration stroke, detect washing bag amount to detect the UB amount; And will carry out simple dehydrating and main dehydration, in main dehydration, the speed of motor is risen to target rotation number through increasing duty ratio value; In duty ratio value is the speed of motor under the peaked situation when not increasing, and will the speed of motor be increased to target RPM through lead angle control.
Particularly; Under the situation of using 24 cun cylinders; Because water takes place to overflow phenomenon the speed of uncontrollable motor is reached target rotation number; And when the speed of motor being reached target RPM through lead angle control, the user might think by mistake be take place in the product unusual, thereby will reduce dewatering.
Summary of the invention
For solving the deficiency of prior art; The object of the present invention is to provide a kind of dehydration speed controlling devices and method thereof of washing machine; It is characterized in that; Dehydration during stroke through the dutycycle control situation that control is controlled the speed of motor with lead angle under, the relatively relation and the judgement water of the recruitment of dutycycle control and motor speed are overflowed phenomenon, and when generation water overflows phenomenon, do not carry out the lead angle control operation; But motor speed will be reduced to the speed when getting into the dehydration stroke, and will carries out draining and carry out the dehydration stroke again.
For realizing above-mentioned purpose, the present invention realizes through following technical scheme:
The dewatering speed control method of washing machine is characterized in that it includes following steps: when getting into dehydration mode, increase the step of the speed of motor through dutycycle control and lead angle control; Detect above-mentioned motor speed and calculate the step of the recruitment of motor speed; Change the step of the speed of current motor according to the increase degree of said detected motor speed.
The dewatering speed control method of aforesaid washing machine; It is characterized in that in the step of the recruitment of said calculating motor speed; Value and detected before value that the current detection of above-mentioned detected motor speed is gone out compare, and calculate the recruitment of above-mentioned motor speed.
The dewatering speed control method of aforesaid washing machine; It is characterized in that in the step of said change motor speed; The recruitment of the motor speed that goes out when aforementioned calculation under the control of above-mentioned dutycycle is predefined a reference value when following, and above-mentioned motor speed is reduced to below the certain speed.
The dewatering speed control method of aforesaid washing machine; It is characterized in that in the step of said change motor speed; The recruitment of the motor speed that goes out when aforementioned calculation is predefined a reference value when following, will break off the power supply of supplying with in the above-mentioned motor with certain hour.
The dewatering speed control method of aforesaid washing machine, the step that it is characterized in that said change motor speed will implement the speed when making above-mentioned motor speed be reduced to above-mentioned entering dehydration stroke.
The dewatering speed control method of aforesaid washing machine; It is characterized in that including following steps in the step of said change motor speed: the recruitment of the motor speed that goes out when aforementioned calculation is predefined a reference value when following, exists water to overflow the step of phenomenon the inside that is judged as wash bucket; When being judged as when existing above-mentioned water to overflow phenomenon, the step of the water that the inside of discharging above-mentioned wash bucket is existed.
The dewatering speed control method of aforesaid washing machine is characterized in that including following steps in the step of said change motor speed: when the increase and decrease degree of above-mentioned motor speed is lower than predefined a reference value, with the step of carrying out dutycycle control; When the increase and decrease degree of above-mentioned motor speed is higher than predefined a reference value, with the step of carrying out lead angle control.
In order to achieve the above object; Dehydration speed controlling devices according to the washing machine in one embodiment of the invention; In washing machine, be provided with cylinder and wash bucket and be used to drive the motor of above-mentioned cylinder, it is characterized in that including with lower component: the speed detecting part that detects motor speed with certain hour at interval; When under dehydration mode, carrying out duty lead angle control when, according to the speed of above-mentioned detected motor, the recruitment of the motor speed when controlling based on above-mentioned dutycycle changes the control part of the speed of above-mentioned motor.
The dehydration speed controlling devices of aforesaid washing machine is characterized in that also including: the switching device shifter that limits the power supply that inserts in the above-mentioned motor according to the control signal of above-mentioned control part.
The dehydration speed controlling devices of aforesaid washing machine; It is characterized in that; The motor speed that above-mentioned control part goes out current detection and before in the step speed of detected motor compare, and calculate the recruitment of above-mentioned motor speed, when the recruitment of above-mentioned motor speed is that a reference value is when following; To be judged as that water overflows in the above-mentioned wash bucket, and above-mentioned wash bucket will be carried out drain operation.
The dehydration speed controlling devices of aforesaid washing machine; It is characterized in that; When the recruitment of above-mentioned motor speed is that a reference value is when following; Above-mentioned switching device shifter will break off the power supply of supplying with in the above-mentioned motor according to above-mentioned control signal, the speed when above-mentioned control part slows down the speed of above-mentioned motor for entering dehydration stroke.
The invention has the beneficial effects as follows: according to the dehydration speed controlling devices and the method thereof of the washing machine in the embodiment of the invention; In dehydration during stroke, will judge that water overflows phenomenon based on the relation of the recruitment of dutycycle control and motor speed, and when generation water overflows phenomenon; To not carry out lead angle control; But reduce motor speed and carry out drain operation, thereby can reduce the energy consumption of forcing to promote motor speed and causing, and; Make the target velocity of motor keep maximum, and can improve dewatering.
Description of drawings
Fig. 1 is the side cross-sectional view that adopts the roller washing machine of the embodiment among the present invention;
Fig. 2 is the block diagram of the dehydration speed controlling devices of the washing machine in one embodiment of the invention;
Fig. 3 is the control flow chart of the dewatering speed control method of the washing machine in one embodiment of the invention;
Fig. 4 and Fig. 5 are the rotary speed of the motor in the dehydration stroke that adopts under the situation of the embodiment among the present invention and the sketch map of dehydration journey time.
The specific embodiment
It is following below in conjunction with accompanying drawing the present invention to be done concrete introduction:
Fig. 1 is the side cross-sectional view that adopts the roller washing machine of the embodiment among the present invention.
Below, as shown in Figure 1, the internal structure and the function of roller washing machine described.Include with lower component in the said roller washing machine 100: the housing 110 that forms outward appearance; Be installed in the inside of above-mentioned housing 110 by spring 240 suspensions, and support the wash bucket of installing 170 by damper assembly 250 simultaneously; The rotatable inboard that is installed on above-mentioned wash bucket 170 is used for the cylinder 160 of holding washing water and washings; The internal face of above-mentioned cylinder 160 mutually across a certain distance protrusion and the lifting device 161 that washings is lifted and drop along with the rotation of above-mentioned cylinder 160 is installed; Rear and above-mentioned cylinder 160 at above-mentioned wash bucket 170 are connected and installed, and are used to rotate the motor 200 of above-mentioned cylinder 160; Be arranged at the upside of above-mentioned wash bucket 170, washings are heated to be the steam of HTHP, and supply to the steam raising plant 230 of the inside of above-mentioned wash bucket 170 and cylinder 160.
In addition, in said roller washing machine, also include: be installed on the upside of above-mentioned wash bucket 170, be used for supplying with the waterworks 210 of washings to the inboard of above-mentioned wash bucket 170 and cylinder 160 with lower component; Be installed on the downside of above-mentioned wash bucket 170, be used to discharge the drainage arrangement 220 of the inner washings of above-mentioned wash bucket 170 and cylinder 160.And above-mentioned steam raising plant 230 will be connected and installed with above-mentioned waterworks 210.
Above-mentioned cylinder 160 wall within it is formed with a plurality of dewatering holes 162, washings is flowed freely with wash bucket 170 sides to above-mentioned cylinder 160, and when dehydration, utilize centrifugal force that washings are discharged from washings.In addition, in feed-water valve assembly 211 and drainage arrangement 220, include feed-water valve and draining pump respectively, with feeding water or drain operation according to the driving of feed-water valve and draining pump respectively.
In standard specification, have for setting definition by the model of different dewatering speeds: under the velocity conditions of setting, its speed should keep about 1 minute.Under the situation of 24 cun models, its setting speed will keep about 2 minutes.Current, in order to improve the dewatering of 24 cun washing machine models, will carry out improving 2 sections dehydrating operations of speed by different phase.When carrying out above-mentioned 2 sections dehydrating operations, the time that shows in the display unit is 25 minutes, if when considering the UB entry time, its actual time of carrying out need about 28 ~ 30 minutes.
In the case, when dehydration,, will obtain dehydration degree preferably if water does not overflow; But when under the state that water overflows, rotating; Its in appearance water overflow phenomenon and will seem very serious, possibly be judged as and take place unusually in the product, and dewatering also will reduce.
Fig. 2 is the block diagram of the dehydration speed controlling devices of the washing machine in one embodiment of the invention.
As shown in Figure 2, include with lower component in the dehydration speed controlling devices 300 of the washing machine in one embodiment of the invention: the speed detecting part 320 that detects motor speed with certain hour at interval; When under dehydration mode, carrying out duty lead angle control when, according to the speed of above-mentioned detected motor, the recruitment of the motor speed when controlling based on above-mentioned dutycycle changes the control part 310 of the speed of above-mentioned motor; Limit the switching device shifter 340 of the power supply that inserts in the above-mentioned motor according to the control signal of above-mentioned control part.
The motor speed that said control part 310 goes out current detection and before in the step speed of detected motor compare; And calculate the recruitment of above-mentioned motor speed; When the recruitment of above-mentioned motor speed is that a reference value is when following; To be judged as that water overflows in the above-mentioned wash bucket, and control above-mentioned drainage arrangement 220 and discharge the water that overflows in the above-mentioned wash bucket.
And; When the recruitment of said motor speed is that a reference value is when following; Said control part 310 will be controlled above-mentioned switching device shifter 340 and break off the power supply of supplying with in the above-mentioned motor according to control signal, and above-mentioned switching device shifter 340 will break off the power supply of supplying with in the drive division 350 of above-mentioned motor 360 according to above-mentioned control signal.
When the recruitment of said motor speed is that a reference value is when following; Speed when above-mentioned control part 310 slows down the speed of above-mentioned motor for entering dehydration stroke; When above-mentioned deceleration-operation; To break off the power supply of supplying with in the motors through above-mentioned switching device shifter 340, or the switching interval of phase inverter of speed that is used to control above-mentioned motor through control is with the speed of the above-mentioned motor that slows down, in the case; Whether the speed that above-mentioned speed detecting part 320 also will detect above-mentioned motor decelerates to the motor speed when getting into the dehydration stroke, and sends the speed of above-mentioned detected motor to control part.
It is 24 cun situation that the dehydration speed controlling devices of the washing machine among the present invention preferably adopts the size of said cylinder 160.
Fig. 3 is the control flow chart of the dewatering speed control method of the washing machine in one embodiment of the invention.
As shown in Figure 3, the dewatering speed control method of the washing machine in one embodiment of the invention, it includes following steps: when getting into dehydration mode, increase the step S10 of the speed of motor through dutycycle control and lead angle control; Detect above-mentioned motor speed and calculate the step S20 of the recruitment of motor speed; Change the step S30 ~ S60 of the speed of current motor according to the increase degree of above-mentioned detected motor speed.
In the step S20 of the recruitment of said calculating motor speed; Above-mentioned control part 310 receives above-mentioned speed detecting part 320 detected motor speeds; And it is stored in the inner memory of above-mentioned control part; Press the motor speed of the more above-mentioned storage of time sequencing that detects, and calculate the recruitment of above-mentioned motor speed.
In the step S30 ~ S60 of said change motor speed; The recruitment of the motor speed that goes out when aforementioned calculation is that predefined a reference value is when following; Above-mentioned control part 310 will judge whether the inside of wash bucket has water to overflow phenomenon S40; When being judged as when existing above-mentioned water to overflow phenomenon the water S50 that the inside that the above-mentioned drainage arrangement 220 of control is discharged above-mentioned wash bucket exists.
In the step S30 ~ S60 of said change motor speed; The recruitment of the motor speed that goes out when aforementioned calculation under the control of above-mentioned dutycycle is that predefined a reference value is when following; To be judged as the above-mentioned water of generation and overflow phenomenon; In order to carry out above-mentioned drain operation, above-mentioned control part 310 will be controlled the speed of above-mentioned motor, and the speed of above-mentioned motor is reduced to below the certain speed.
And; In the step S30 ~ S60 of said change motor speed; The recruitment of the motor speed that goes out when aforementioned calculation is that predefined a reference value is when following; For the speed of the above-mentioned motor that slows down, above-mentioned control part 310 will be controlled above-mentioned switching device shifter 340 and break off the power supply of supplying with in the above-mentioned motor with given time, or control is used for controlling the phase inverter of the voltage that above-mentioned motor inserts.
Wherein, said control part 310 is preferably controlled motor speed, the speed when making above-mentioned motor speed be reduced to above-mentioned entering dehydration stroke, and also can make motor stop to operate.
In the step S30 ~ S60 of said change motor speed; Preferably; When the increase and decrease degree of above-mentioned motor speed is lower than predefined a reference value; Above-mentioned control part 310 will be carried out dutycycle control, and when the increase and decrease degree of above-mentioned motor speed is higher than predefined a reference value, above-mentioned control part 310 will be carried out lead angle control.
Illustrate among Fig. 4 in the specific speed condition and issue unboiled water when overflowing phenomenon, the rotary speed of the motor in the dehydration stroke that adopts one embodiment of the invention and dehydration journey time; Illustrate the rotary speed and dehydration journey time of the motor in the dehydration stroke when water not taking place overflow phenomenon among Fig. 5.
Like Fig. 4 and shown in Figure 5; Under the situation that improves dewatering speed by each stage, increase duty ratio value gradually, and do not exceed at 250 o'clock, will proceed to target velocity in its value; When its value exceeds 250; Increase by 1 with the lead angle value is each, and the speed that makes motor is more at a high speed reaching target velocity, the speed control algorithm when this promptly is existing dehydration stroke.
That is, illustrate among Fig. 4 according to one embodiment of the invention and exist water to overflow the control of the dewatering speed under the situation of phenomenon.In motor speed is the a-quadrant of 108rpm, will enter into the dehydration stroke, when water taking place in the B zone that at motor speed is 500rpm overflow phenomenon, will carry out PWM control above-mentioned phase inverter; Making increases dutycycle but no longer increases motor speed, and thus, control part 310 will detect above-mentioned situation; Reduce motor speed; And discharge the water that overflows in the above-mentioned wash bucket simultaneously, and untie the washing bag of mutual winding, the washing bag also will take place in the D zone separate ON operation.
Below, will overflow phenomenon to water and carry out bright more specifically.Shown in the B zone of Fig. 4, when the water in the inside of wash bucket overflowed, even increase duty ratio value, the speed of motor also can't reach target velocity, in the case, generally will improve the lead angle value to reach target velocity.
But, as shown in Figure 4, in the present invention; Duty ratio value increases under the condition at specific speed; The speed of motor also no longer improves and when staying in original speed, will be judged as water takes place to overflow phenomenon, thus; To stop the rotation of cylinder, utilize centrifugal force make water around the wash bucket come together in the middle of and carry out drain operation.
Therefore, need not to make the speed of motor to continue to improve, but stop and the raising dehydration degree, and will satisfy the highest target velocity retention time in the centre.
Above with reference to embodiment among the present invention and accompanying drawing; And be that example has been carried out detailed explanation with roller washing machine with drying function; But the present invention can be equally applicable in the multiple washing machine; And technical scope of the present invention is not to be defined in above embodiment and accompanying drawing, and technical scope of the present invention will be limited the content of putting down in writing in the appending claims.
Claims (7)
1. the dewatering speed control method of washing machine is characterized in that it has comprised following steps:
When getting into dehydration mode, increase the step of the speed of motor through dutycycle control and lead angle control;
Detect said motor speed and calculate the step of the recruitment of motor speed;
Change the step of the speed of current motor according to the recruitment of the said motor speed that calculates; In the step of described change current motor speed; The recruitment of the motor speed that goes out when aforementioned calculation under the control of said dutycycle is that predefined a reference value is when following; Said motor speed is reduced to below the certain speed, or breaks off the power supply of supplying with in the above-mentioned motor with certain hour.
2. the dewatering speed control method of washing machine according to claim 1; It is characterized in that in the step of recruitment of described calculating motor speed; Value and detected before value that the current detection of above-mentioned detected motor speed is gone out compare, and calculate the recruitment of above-mentioned motor speed.
3. the dewatering speed control method of washing machine according to claim 1, the step that it is characterized in that described change current motor speed will implement the speed when making said motor speed be reduced to above-mentioned entering dehydration mode.
4. the dewatering speed control method of washing machine according to claim 2 is characterized in that including in the step of described change current motor speed following steps:
When the recruitment of the said motor speed that calculates is predefined a reference value when following, exist water to overflow the step of phenomenon the inside that is judged as wash bucket;
When being judged as when existing above-mentioned water to overflow phenomenon, the step of the water that the inside of discharging said wash bucket is existed.
5. the dewatering speed control method of washing machine according to claim 1 is characterized in that including in the step of speed of described change current motor following steps:
When the recruitment of said motor speed is lower than predefined a reference value, with the step of carrying out dutycycle control;
When the recruitment of said motor speed is higher than predefined a reference value, with the step of carrying out lead angle control.
6. the dehydration speed controlling devices of a washing machine is provided with cylinder and wash bucket and is used to drive the motor of above-mentioned cylinder in the washing machine, it is characterized in that, includes with lower component:
Detect the speed detecting part of motor speed at interval with certain hour;
When under dehydration mode, carrying out duty lead angle control when, according to the speed of detected motor, the recruitment of the motor speed when controlling based on dutycycle changes the control part of the speed of said motor;
Limit the switching device shifter of the power supply that inserts in the above-mentioned motor according to the control signal of control part;
The motor speed that said control part goes out current detection and before in the step speed of detected motor compare, and calculate the recruitment of above-mentioned motor speed;
When the recruitment of the speed of said motor is a reference value when following, said switching device shifter will break off the power supply supplied with in the said motor or said control part with the speed of the above-mentioned motor speed when getting into the dehydration stroke of slowing down according to the control signal of above-mentioned control part.
7. the dehydration speed controlling devices of washing machine according to claim 6 is characterized in that recruitment when described motor speed is a reference value when following, and said control part will be judged as that water overflows in the said wash bucket, and carry out drain operation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090014077A KR20100094890A (en) | 2009-02-19 | 2009-02-19 | Apparatus and method for controlling dehydation speed in a washing machine |
| KR10-2009-0014077 | 2009-02-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101701405A CN101701405A (en) | 2010-05-05 |
| CN101701405B true CN101701405B (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102085944A Expired - Fee Related CN101701405B (en) | 2009-02-19 | 2009-10-19 | Washing machine dehydration speed controlling devices and methods thereof |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20100094890A (en) |
| CN (1) | CN101701405B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101189493B1 (en) | 2010-09-30 | 2012-10-11 | 한양대학교 산학협력단 | Combustion detecting method of engine |
| WO2016000433A1 (en) * | 2014-06-30 | 2016-01-07 | 海尔亚洲国际株式会社 | Spin-dryer |
| CN105506916B (en) * | 2014-09-25 | 2019-05-21 | 无锡小天鹅股份有限公司 | Washing machine and the method for determining washing machine load bias |
| KR102491974B1 (en) * | 2017-12-22 | 2023-01-26 | 엘지전자 주식회사 | washing machine and controlling method of washing machine |
| CN112342734B (en) * | 2019-08-09 | 2023-10-13 | 青岛胶南海尔洗衣机有限公司 | Washing machine control method and device |
-
2009
- 2009-02-19 KR KR1020090014077A patent/KR20100094890A/en not_active Application Discontinuation
- 2009-10-19 CN CN2009102085944A patent/CN101701405B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101701405A (en) | 2010-05-05 |
| KR20100094890A (en) | 2010-08-27 |
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