CN105671848A - Washing machine and method for determining load weight of washing machine - Google Patents
Washing machine and method for determining load weight of washing machine Download PDFInfo
- Publication number
- CN105671848A CN105671848A CN201410673643.2A CN201410673643A CN105671848A CN 105671848 A CN105671848 A CN 105671848A CN 201410673643 A CN201410673643 A CN 201410673643A CN 105671848 A CN105671848 A CN 105671848A
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- Prior art keywords
- interval
- weight
- rotating speed
- inner core
- load
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
-
- 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
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
-
- 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
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
- D06F2105/48—Drum speed
Abstract
The invention brings forward a washing machine. The washing machine comprises an inner cylinder, a first storage, a speed sensor, a processor and a controller. The inner cylinder is used for driving a rotating motor of the inner cylinder. The first storage is used for storing an index table including rotating speed ranges and corresponding weight ranges. The rotating speed ranges are ones of rotating speeds after the inner cylinder is started and rotated within the pre-set time. The speed sensor is used for detecting rotating speed after the inner cylinder is started to rotate for pre-set time. The processor is used for determining weight ranges corresponding to rotating speed based on the index table to detect the weight range of current load of the inner cylinder. The controller is used for controlling the motor to drive the inner cylinder to rotate based on the weight range of the current load in order to wash and dehydrate in a certain mode. The washing machine is capable of precisely determining weight of load. The invention further brings forwards a method for determining load weight of the washing machine.
Description
Technical field
The present invention relates to washing machine manufacturing technology field, particularly relate to a kind of washing machine and the method for judgement washing machine load weight.
Background technology
Current rotary drum washing machine is classified mainly to have by motor and is directly driven (DirectDrive, DD) frequency conversion motor and induction machine two kinds. Owing to control mode is different, after DD frequency conversion motor turns to certain rotating speed and stops operating, calculating that the method for clothes weight is highly developed by reading back emf pulse number produced by this motor, the accuracy that clothes weight judges is significantly high. But, current common induction machine also adopts after turning to certain rotating speed and stopping operating more, by reading the method that back emf pulse number produced by motor calculates clothes weight, but the method is owing to cannot control the rotating speed of induction machine exactly, therefore the back emf pulse number read is accurate not, it is impossible to accurately judge load weight.
Summary of the invention
It is contemplated that at least solve one of above-mentioned technical problem.
For this, first purpose of the present invention is in that to propose a kind of washing machine that can judge washing machine load weight accurately.
Second purpose of the present invention is in that to propose a kind of method judging washing machine load weight.
To achieve these goals, first aspect present invention embodiment proposes a kind of washing machine, including: inner core; For the motor driving described inner core to rotate; First memory, it is interval that storage has concordance list, described concordance list to include the interval and corresponding weight of multiple rotating speed, and described rotating speed interval is the interval of the rotating speed rotating the scheduled time after described inner core starts; Velocity sensor, detects the rotary speed rotating the described scheduled time after described inner core starts; According to described concordance list, processor, for determining that weight corresponding to described rotating speed is interval so that it is determined that the weight that falls into of the present load of described inner core is interval; Controller, drives described inner core to rotate washing and the dehydration to carry out corresponding manner for motor according to the weight range restraint of described present load.
Washing machine according to embodiments of the present invention, the rotating speed that Negotiation speed sensor detection inner core rotates, by searching the concordance list being pre-stored in first memory, obtain the rotating speed residing for rotating speed interval, so that it is determined that the load quality corresponding to this rotating speed. This washing machine, by accurately judging the weight of load, selects laundry and dehydration procedure intelligently.
In some instances, the described scheduled time less than described inner core zero load time reach time of maximum (top) speed.
In some instances, farther include: the number in the interval of multiple rotating speeds described in described concordance list is n, the rotating speed that then the n-th rotating speed is interval is (RPM (n-1), RPM (n)), corresponding described weight interval is (M (n-1), M (n)); When the rotating speed rpm of described present load meets: during RPM (n-1)≤rpm < RPM (n), then judge that weight interval that described present load falls into is as (M (n-1), M (n)).
The embodiment of second aspect present invention proposes a kind of method judging washing machine load weight, comprise the following steps: index table, it is interval that described concordance list includes the interval and corresponding weight of multiple rotating speed, and described rotating speed interval is the interval of the rotating speed rotating the scheduled time after the inner core of described washing machine starts; Present load is placed in described inner core, and obtains the rotating speed rotating the described scheduled time after described inner core starts; Determine that the weight that described rotating speed is corresponding is interval according to described concordance list, so that it is determined that the weight that described present load falls into is interval. The method judging washing machine load weight according to embodiments of the present invention, after setting up the interval concordance list interval with corresponding load weight of rotating speed, the rotating speed of the load detected is made comparisons with the rotating speed in the rotating speed interval in concordance list, acquisition load weight is interval, thus selecting corresponding best washing and dewatering type. The method can easy, determine the weight of load accurately.
In some instances, index table and specifically include described in: providing the load of n kind Different Weight, and obtain the rotating speed of the load scheduled time rotating every kind of weight after described inner core starts, wherein, n is positive integer; By corresponding for interval for described weight and described rotating speed interval.
In some instances, the described scheduled time less than described inner core zero load time reach time of maximum (top) speed.
Aspect and advantage that the present invention adds will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will be apparent from easy to understand from the following description of the accompanying drawings of embodiments, wherein,
Fig. 1 is the structured flowchart of washing machine according to an embodiment of the invention;
Fig. 2 is the speed curves figure of unequally loaded inner core according to an embodiment of the invention; With
Fig. 3 is unequally loaded rotating speed interval graph according to an embodiment of the invention;
Fig. 4 is the flow chart of the method for judgement washing machine load weight according to an embodiment of the invention.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish. The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining the present invention, and is not considered as limiting the invention. On the contrary, all changes within the scope of embodiments of the invention include falling into attached claims spirit and intension, amendment and equivalent.
In describing the invention, it is to be understood that term " first ", " second " etc. only for descriptive purposes, and it is not intended that instruction or hint relative importance. In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly;Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary. For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in the present invention. Additionally, in describing the invention, except as otherwise noted, " multiple " are meant that two or more.
Describe in flow chart or in this any process described otherwise above or method and be construed as, represent and include the module of code of executable instruction of one or more step for realizing specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press order that is shown or that discuss, including according to involved function by basic mode simultaneously or in the opposite order, performing function, this should be understood by embodiments of the invention person of ordinary skill in the field.
Below with reference to the accompanying drawings washing machine according to embodiments of the present invention is described. Fig. 1 is the structured flowchart of washing machine according to embodiments of the present invention, as it is shown in figure 1, the washing machine of the embodiment of the present invention includes: inner core 100, motor 200, first memory 300, velocity sensor 400, processor 500 and controller 600.
Wherein, motor 200 is used for driving inner core 100 to rotate. First memory 300, storage has concordance list, and it is interval that this concordance list includes the interval and corresponding weight of multiple rotating speed, and wherein, rotating speed interval is the interval of the rotating speed rotating scheduled time T after inner core 100 starts. Velocity sensor 400 rotates the rotating speed of scheduled time T for detecting after inner core 100 starts. According to concordance list, processor 500 is for determining that the weight that this rotating speed is corresponding is interval, so that it is determined that the weight that the present load in inner core 100 falls into is interval. Controller 600 drives interior 100 washing and dewatering types rotated to carry out corresponding manner according to the weight range restraint motor 200 of present load simultaneously.
Specifically, in one embodiment of the invention, the particular content of the concordance list being stored in first memory 300 is as follows:
Assume that the number that in this concordance list, multiple rotating speeds are interval is n, the rotating speed that then the n-th rotating speed is interval is (RPM (n-1), RPM (n)), corresponding weight interval is (M (n-1), M (n)).
This concordance list to set up process as follows:
(1) provide the load of n kind Different Weight to be respectively placed in inner core 100, control motor 200 and drive inner core 100 to rotate the time reaching maximum speed when scheduled time T, scheduled time T should be less than inner core 100 zero load;
(2) rotating speed of the load scheduled time T rotating every kind of weight after inner core 100 starts is detected with velocity sensor 400, at synchronization T, because the different acquired rotating speed of load weight is by difference;
(3) synchronization T, different loads weight M (n) is by rotating speeds RPM (n) different for correspondence, processor 500 compares different loads weight interval (M (n-1), M (n)) and rotating speed is divided into n+1 rotating speed interval.
When rotating speed rpm present load being detected meets: during RPM (n-1)≤rpm < RPM (n), then judge that weight interval is as (M (n-1), M (n)). According to the rotating speed of present load, processor 500 determines that the weight of its correspondence is interval, in order to washing machine controller 600 carries out washing and the dehydration of corresponding manner according to the weight interval of present load.
Such as, on 16KG rotary drum washing machine in one embodiment of the invention, velocity sensor is arranged on motor 200, by performance standard to load through row 5 grades differentiation.
Motor drives inner core to rotate specific time T, and the setting of this time should be less than zero load and reaches the time of maximum speed, and for reaching good discrimination, this time is unsuitable too small, to avoid cannot be carried out rotating speed differentiation or load winding. Through test of many times, this model type T=5S. To the tach signal gathering Different Weight load, as in figure 2 it is shown, be the speed curves of inner core under different loads.
Present load is placed in inner core 100 and runs after T time, detect when the rotating speed of inner core is rpm, by interval with rotating speed for rpm (RPM (n-1), RPM (n)) contrast, obtaining load weight interval in current laundry machine is (M (n-1), M (n)). And washing and the dewatering type of the best is selected according to the weight interval of present load. In conjunction with Fig. 2 and Fig. 3, unequally loaded rotating speed is distinguished as follows:
If 0 < rpm < RPM1, it is determined that the weight interval of present load is 14KG, rated capacity), being divided into first grade;
If RPM1 < rpm≤RPM2, it is determined that the weight interval of present load is (10KG, 14KG), is divided into second gear;
If RPM2 < rpm≤RPM3, it is determined that the weight interval of present load is (6KG, 10KG), is divided into third gear;
If RPM3 < rpm≤RPM4, it is determined that the weight interval of present load is (2KG, 6KG), is divided into fourth speed;
If RPM4 < rpm≤RPM5, it is determined that the weight interval of present load is (0,2KG), is divided into fifth speed, wherein, RPM5 is the maximum (top) speed of washing machine.
In one embodiment of the invention, velocity sensor 400 is arranged in rotary part or the link member of motor, axis, belt pulley etc.
Washing machine according to embodiments of the present invention, the rotating speed that Negotiation speed sensor detection inner core rotates, by searching the concordance list being pre-stored in first memory, obtain the rotating speed residing for rotating speed interval, so that it is determined that the load quality corresponding to this rotating speed. This washing machine, by accurately judging the weight of load, selects laundry and dehydration procedure intelligently.
It addition, other of washing machine according to embodiments of the present invention are constituted and effect is all known for a person skilled in the art, do not repeat herein.
The embodiment of second aspect present invention proposes a kind of method judging washing machine load weight, as shown in Figure 4, comprise the following steps: S1, index table, it is interval that concordance list includes the interval and corresponding weight of multiple rotating speed, and rotating speed interval is the interval of the rotating speed rotating the scheduled time after the inner core of washing machine starts; S2, is placed in present load in inner core, and obtains the rotating speed rotating the scheduled time after inner core starts; According to concordance list, S3, determines that the weight that rotating speed is corresponding is interval, so that it is determined that the weight that present load falls into is interval. In step sl, indexing table, it is interval that concordance list includes the interval and corresponding weight of multiple rotating speed, and rotating speed interval is the interval of the rotating speed rotating the scheduled time after the inner core of washing machine starts.
Specifically, assume that the number that in this concordance list, multiple rotating speeds are interval is n, the rotating speed that then the n-th rotating speed is interval is (RPM (n-1), RPM (n)), corresponding weight interval is (M (n-1), M (n)), wherein, n is positive integer. This concordance list to set up process as follows:
(1) provide the load of n kind Different Weight to be respectively placed in inner core, control motor and drive inner core rotation scheduled time T, the scheduled time T when should be less than inner core zero load, to reach the time of maximum speed;
(2) rotating speed of scheduled time T is rotated rotate the load startup of every kind of weight with velocity sensor detection inner core after, at synchronization T, because the different acquired rotating speed of load weight is by difference;
(3) synchronization T, different loads weight M (n), by rotating speeds RPM (n) different for correspondence, the interval (M (n-1) of processor comparison different loads weight, M (n)), rotating speed is divided into n+1 rotating speed interval.
Step S2, is placed in present load in inner core, and obtains the rotating speed rotating the scheduled time after inner core starts.
According to concordance list, step S3, determines that the weight that rotating speed is corresponding is interval, so that it is determined that the weight that present load falls into is interval.
When rotating speed rpm present load being detected meets: during RPM (n-1)≤rpm < RPM (n), then judge that weight interval is as (M (n-1), M (n)). According to the rotating speed of present load, processor determines that the weight of its correspondence is interval, in order to washing machine controller carries out washing and the dehydration of corresponding manner according to the weight interval of present load.
Such as, in 16KG impeller laundry in one embodiment of the invention, velocity sensor is arranged on motor, by performance standard to load through row 5 grades differentiation.
Motor drives inner core to rotate specific time T, and the setting of this time should be less than zero load and reaches the time of maximum speed, and for reaching good discrimination, this time is unsuitable too small, to avoid cannot be carried out rotating speed differentiation or load winding. Through test of many times, this model type T=5 second. To the tach signal gathering Different Weight load, as in figure 2 it is shown, be the speed curves of inner core under different loads.
When detecting that the rotating speed after inner core operation T time is rpm, (RPM (n-1) interval with rotating speed, RPM (n)) contrast, it is (M (n-1), M (n)) that correspondence obtains the weight interval of present load in washing machine. And washing and the dewatering type of the best is selected according to the weight M (n) of present load. In conjunction with Fig. 2 and Fig. 3, unequally loaded rotating speed is distinguished as follows:
If 0 < rpm < RPM1, it is determined that the weight interval of present load is 14KG, rated capacity), being divided into first grade;
If RPM1 < rpm≤RPM2, it is determined that the weight interval of present load is (10KG, 14KG), is divided into second gear;
If RPM2 < rpm≤RPM3, it is determined that the weight interval of present load is (6KG, 10KG), is divided into third gear;
If RPM3 < rpm≤RPM4, it is determined that the weight interval of present load is (2KG, 6KG), is divided into fourth speed;
If RPM4 < rpm≤RPM5, it is determined that the weight interval of present load is (0,2KG), is divided into fifth speed, wherein, RPM5 is the maximum (top) speed of washing machine.
The method judging washing machine load weight according to embodiments of the present invention, after setting up the interval concordance list interval with corresponding load weight of rotating speed, the rotating speed of the load detected is made comparisons with the rotating speed in the rotating speed interval in concordance list, acquisition load weight is interval, thus selecting corresponding best washing and dewatering type. The method can easy, determine the weight of load accurately.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention. In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example. And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: these embodiments can being carried out multiple change, amendment, replacement and modification when without departing from principles of the invention and objective, the scope of the present invention is limited by claim and equivalent thereof.
Claims (6)
1. a washing machine, it is characterised in that including:
Inner core;
For the motor driving described inner core to rotate;
First memory, it is interval that storage has concordance list, described concordance list to include the interval and corresponding weight of multiple rotating speed, and described rotating speed interval is the interval of the rotating speed rotating the scheduled time after described inner core starts;
Velocity sensor, detects the rotary speed rotating the described scheduled time after described inner core starts;
According to described concordance list, processor, for determining that weight corresponding to described rotating speed is interval so that it is determined that the weight that falls into of the present load of described inner core is interval;
Controller, drives described inner core to rotate washing and the dehydration to carry out corresponding manner for motor according to the weight range restraint of described present load.
2. washing machine as claimed in claim 1, it is characterised in that reach the time of maximum (top) speed when the described scheduled time is less than described inner core zero load.
3. washing machine as claimed in claim 1, it is characterised in that farther include:
The number in the interval of multiple rotating speeds described in described concordance list is n, the rotating speed that then the n-th rotating speed is interval is (RPM (n-1), RPM (n)), corresponding described weight interval is (M (n-1), M (n));
When the rotating speed rpm of described present load meets: during RPM (n-1)≤rpm < RPM (n), then judge that weight interval that described present load falls into is as (M (n-1), M (n)).
4. the method judging washing machine load weight, it is characterised in that comprise the following steps:
Indexing table, it is interval that described concordance list includes the interval and corresponding weight of multiple rotating speed, and described rotating speed interval is the interval of the rotating speed rotating the scheduled time after the inner core of described washing machine starts;
Present load is placed in described inner core, and obtains the rotating speed rotating the described scheduled time after described inner core starts;
Determine that the weight that described rotating speed is corresponding is interval according to described concordance list, so that it is determined that the weight that described present load falls into is interval.
5. method as claimed in claim 4, it is characterised in that described in index table and specifically include:
The load of offer n kind Different Weight, and obtain the rotating speed of the load scheduled time rotating every kind of weight after described inner core starts, wherein, n is positive integer;
By corresponding for interval for described weight and described rotating speed interval.
6. the method as described in claim 4～5 any one, it is characterised in that reach the time of maximum (top) speed when the described scheduled time is less than described inner core zero load.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410673643.2A CN105671848B (en) | 2014-11-21 | 2014-11-21 | Washing machine and the method for judging washing machine load weight |
| PCT/CN2015/077584 WO2016078337A1 (en) | 2014-11-21 | 2015-04-27 | Washing machine and method for determining load weight of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410673643.2A CN105671848B (en) | 2014-11-21 | 2014-11-21 | Washing machine and the method for judging washing machine load weight |
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| Publication Number | Publication Date |
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| CN105671848A true CN105671848A (en) | 2016-06-15 |
| CN105671848B CN105671848B (en) | 2017-12-26 |
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| CN201410673643.2A Active CN105671848B (en) | 2014-11-21 | 2014-11-21 | Washing machine and the method for judging washing machine load weight |
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| CN (1) | CN105671848B (en) |
| WO (1) | WO2016078337A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108796982A (en) * | 2017-04-28 | 2018-11-13 | 青岛海尔洗衣机有限公司 | A kind of control method and washing machine of washing household electrical appliances |
| TWI663519B (en) * | 2018-01-19 | 2019-06-21 | 台灣松下電器股份有限公司 | Intelligent laundry system and control method thereof |
| CN110647058A (en) * | 2019-10-25 | 2020-01-03 | 珠海优特智厨科技有限公司 | Cooking control method and device, cooking equipment and storage medium |
| CN110703654A (en) * | 2019-10-25 | 2020-01-17 | 珠海优特智厨科技有限公司 | Cooking control method and device, cooking equipment and storage medium |
| CN113503728A (en) * | 2021-07-01 | 2021-10-15 | 木卫智能科技(深圳)有限公司 | Dryer and control method thereof |
| CN114575094A (en) * | 2020-12-01 | 2022-06-03 | 苏州三星电子有限公司 | Clothes washing method and system and washing machine |
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| US5168172A (en) * | 1990-05-15 | 1992-12-01 | Samsung Electronics Co., Ltd. | Control system for a washing machine |
| CN1566458A (en) * | 2003-06-30 | 2005-01-19 | 乐金电子(天津)电器有限公司 | Method for detecting clothes weight in washing machine |
| CN101526388A (en) * | 2008-03-03 | 2009-09-09 | 海尔集团公司 | Self-weighing method for drum-type washing machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108796982A (en) * | 2017-04-28 | 2018-11-13 | 青岛海尔洗衣机有限公司 | A kind of control method and washing machine of washing household electrical appliances |
| CN108796982B (en) * | 2017-04-28 | 2022-01-18 | 青岛海尔洗衣机有限公司 | Control method of washing household appliance and washing machine |
| TWI663519B (en) * | 2018-01-19 | 2019-06-21 | 台灣松下電器股份有限公司 | Intelligent laundry system and control method thereof |
| CN110647058A (en) * | 2019-10-25 | 2020-01-03 | 珠海优特智厨科技有限公司 | Cooking control method and device, cooking equipment and storage medium |
| CN110703654A (en) * | 2019-10-25 | 2020-01-17 | 珠海优特智厨科技有限公司 | Cooking control method and device, cooking equipment and storage medium |
| CN114575094A (en) * | 2020-12-01 | 2022-06-03 | 苏州三星电子有限公司 | Clothes washing method and system and washing machine |
| CN113503728A (en) * | 2021-07-01 | 2021-10-15 | 木卫智能科技(深圳)有限公司 | Dryer and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105671848B (en) | 2017-12-26 |
| WO2016078337A1 (en) | 2016-05-26 |
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