CN101498094A - Foam detecting method, foam detection device and drum-type washing machine - Google Patents
Foam detecting method, foam detection device and drum-type washing machine Download PDFInfo
- Publication number
- CN101498094A CN101498094A CNA2009101059764A CN200910105976A CN101498094A CN 101498094 A CN101498094 A CN 101498094A CN A2009101059764 A CNA2009101059764 A CN A2009101059764A CN 200910105976 A CN200910105976 A CN 200910105976A CN 101498094 A CN101498094 A CN 101498094A
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- Prior art keywords
- washing machine
- dehydration
- foam
- roller washing
- index signal
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
-
- 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
- D06F39/06—Arrangements for preventing or destroying scum
-
- 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
- D06F33/38—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of rinsing
-
- 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
- D06F39/087—Water level measuring or regulating devices
-
- 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
- D06F2103/18—Washing liquid level
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The embodiment of the invention relates to a foam detecting method which is used for judging whether foam produced by a drum washing machine in the dehydration process is over standard or not according to a detecting result from the detection of the water level of the drum washing machine in the dehydration process. In addition, the embodiment of the invention also provides a corresponding foam detecting device and a drum washing machine. The invention can remove foam and avoids consequences caused by the overflow of foam.
Description
Technical field
The present invention relates to electronic applications, relate in particular to a kind of foam detecting method, foam detecting device and roller washing machine.
Background technology
Roller washing machine is by the rotation of the metal inner core of a sealing, drive the top of clothes to inner core, allow the clothes freely falling body then, the purpose that reaches washing of beating by the simulation clothes, therefore, the user can use fewer water and washing powder or other abluent just can reach reasonable clean result when using roller washing machine.
In order to guarantee the sealing of roller washing machine, roller washing machine generally has only a water inlet and water discharge outlet to be in communication with the outside, and cylinder pressure is bigger.The user when washing clothes, the difficult assurance of the amount of putting into of washing powder, and that different cloth matter and cloth amount also can cause washing powder to produce the result of foam is different.If the user puts into too much washing powder when washing clothes, then can cause the foam that produces in the inner core too much, and the seal of cylinder machine is better, carrying out along with washing process, when particularly inner core rotates at a high speed in dehydration, foam in the inner core is difficult to vanish and can get more and more, and last result must be that foam overflows from water inlet and/or water discharge outlet, thereby causes very serious consequence.
Summary of the invention
Embodiment of the invention technical problem to be solved is, a kind of foam detecting method, foam detecting device and roller washing machine are provided, can pass through sensed water level, judge whether the foam that roller washing machine produces exceeds standard in dehydration, thereby can carry out the corresponding processing of eliminating foam, avoid overflowing the consequence that is caused because of foam.
For solving the problems of the technologies described above, the embodiment of the invention adopts following technical scheme:
A kind of foam detecting method comprises:
Detect the water level of roller washing machine in dehydration;
According to the result of described detection, judge whether the foam that described roller washing machine produces exceeds standard in dehydration.
A kind of foam detecting device comprises:
Detecting unit is used for detecting the water level of roller washing machine in dehydration;
Processing unit is used for the result according to described detection, judges whether the foam that described roller washing machine produces in dehydration exceeds standard.
A kind of roller washing machine comprises:
Foam detecting device is used for detecting the water level of roller washing machine in dehydration, and according to the result of described detection, judges whether the foam that described roller washing machine produces exceeds standard in dehydration.
The beneficial effect of the embodiment of the invention is:
By a kind of foam detecting method, by detecting the water level of roller washing machine in dehydration, and according to the result of described detection, judge whether the foam that described roller washing machine produces exceeds standard in dehydration, thereby can carry out the corresponding processing of eliminating foam, avoid overflowing the consequence that is caused because of foam.
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
Description of drawings
Fig. 1 is the specific embodiment schematic diagram of foam detecting method of the present invention;
Fig. 2 is the specific embodiment schematic diagram of foam detecting device of the present invention;
Fig. 3 is the line construction schematic diagram of the detecting unit 201 of the embodiment of the invention;
Fig. 4 is another line construction schematic diagram of the detecting unit 201 of the embodiment of the invention.
The specific embodiment
The embodiment of the invention is by providing a kind of foam detecting method and corresponding foam detecting device and roller washing machine, can be according to the testing result of the water level of roller washing machine in dehydration, judge whether the foam that roller washing machine produces exceeds standard in dehydration, thereby can carry out the corresponding processing of eliminating foam, avoid overflowing the consequence that is caused because of foam.
Fig. 1 is the specific embodiment schematic diagram of foam detecting method of the present invention, and roller washing machine enters dehydration after finishing rinse cycle, dehydration is generally carried out draining earlier, treat water drain its inner core of back more at a high speed rotation dewater, with reference to this figure, this method mainly comprises:
101, the water level when detecting roller washing machine draining finishing in dehydration obtains first index signal, i.e. first voltage signal, and this first voltage signal corresponding voltage value is U1;
102, after draining finished, the water level when detecting roller washing machine its inner core rotating at a high speed in dehydration obtained second index signal, i.e. second voltage signal, and this second voltage signal corresponding voltage value is U2;
103, according to first index signal, second index signal, and the threshold value U3 that presets, whether the difference DELTA U that judges first index signal and second index signal surpasses threshold value U3, Δ U=U2-U1 wherein, if, then the foam that produces in dehydration of roller washing machine exceeds standard, and carries out 104, otherwise carries out 105, particularly, U3 is the empirical value that obtains through experiment, and the U3 value of the washing machine correspondence of different inner cores or different structure is general different, when the foam that produces seldom or not surpasses certain limit, Δ U can be within limits, can not surpass U3, when foam exceeded certain limit, the pressure in the inner core can continue to increase, this moment, the value of U2 also can become greatly, thereby may cause Δ U to surpass U3;
104, when the foam that produces in dehydration when roller washing machine exceeded standard, the index drum washing machine stopped dehydration and restarts rinse cycle before the dehydration, foam is rinsed out carry out dehydration again;
105, proceed normal dehydration.
As a kind of embodiment, above-mentioned first index signal, second index signal are not limited to voltage signal, also can be frequency signals, and the processing mode of its corresponding method is similar to the above.
Correspondingly, foam detecting device and the roller washing machine to the embodiment of the invention describes below, and wherein roller washing machine can comprise foam detecting device as shown in Figure 2.
Fig. 2 is the specific embodiment schematic diagram of foam detecting device of the present invention, and with reference to this figure, this foam detecting device mainly comprises detecting unit 201, processing unit 202, and wherein, processing unit 202 comprises judging unit 203, control module 204;
Detecting unit 201 links to each other with processing unit 202, and judging unit 203 links to each other with control module 204;
Detecting unit 201 can comprise first detecting unit, is used for detecting the water level of roller washing machine when the dehydration draining finishes, and obtains first index signal, i.e. first voltage signal, and this first voltage signal corresponding voltage value is U1;
Detecting unit 201 also can comprise second detecting unit, be used for after draining finishes, the water level when detecting roller washing machine its inner core rotating at a high speed in dehydration obtains second index signal, i.e. second voltage signal, this second voltage signal corresponding voltage value is U2;
At this moment, detecting unit 201 can be the level pressure sensor that produces voltage signal, mainly comprises line construction as shown in Figure 3:
The fluviograph that comprises three ports, its first port links to each other with+5 volts power supply, first port is by first capacitor C, 1 ground connection, second port is by first resistance R 1, second resistance R 3, the 3rd resistance R 4 output signal IO1 (being above-mentioned first index signal, second index signal), second port is by first resistance R 1, second resistance R 3, second capacitor C, 2 ground connection, and the 3rd port ground connection also is connected between first resistance R 1 and second resistance R 3 by the 4th resistance R 2;
Judging unit 203 can comprise memory cell, is used to store the threshold value that presets, and particularly, U3 is the empirical value that obtains through experiment, and the U3 value of the washing machine correspondence of different inner cores or different structure is general different;
Judging unit 203 also can comprise the foam judging unit, be used for according to first index signal, second index signal, and the threshold value U3 that presets, whether the difference DELTA U that judges first index signal and second index signal surpasses threshold value U3, Δ U=U2-U1 wherein, if, then the foam that produces in dehydration of roller washing machine exceeds standard, particularly, and when the foam that produces seldom or not surpasses certain limit, Δ U can be within limits, can not surpass U3, when foam exceeded certain limit, the pressure in the inner core can continue to increase, this moment, the value of U2 also can become greatly, thereby may cause Δ U to surpass U3;
Control module 204, be used for being judged as foam that roller washing machine produces in dehydration when exceeding standard when judging unit 203, the index drum washing machine stops dehydration and restarts dehydration rinse cycle before, foam is rinsed out carry out dehydration again.
As a kind of embodiment, processing unit 202 can be microprocessing unit (Micro ControllerUnit, MCU) or other processors.
As a kind of embodiment, above-mentioned first index signal, second index signal are not limited to voltage signal, it also can be frequency signal, the processing mode of its corresponding method is similar to the above, but detecting unit 201 is the level pressure sensors that produce frequency signal, mainly comprises line construction as shown in Figure 4:
The fluviograph that comprises three ports, its first port is by first resistance R 8, the first inverter ic 1C, second resistance R, 9 output signal IO2 (are above-mentioned first index signal, second index signal) and ground connection, second port is by the 3rd resistance R 5, the 4th resistance R 7 is connected between first resistance R 8 and the first inverter ic 1C, the 3rd port ground connection is also passed through the 5th resistance R 6, the second inverter ic 1A is connected between first resistance R 8 and the first inverter ic 1C, the 3rd port is by the 5th resistance R 6, the 3rd inverter ic 1B is connected between first resistance R 8 and the first inverter ic 1C, and the 3rd port is connected between the 3rd resistance R 5 and the 4th resistance R 7 by the 5th resistance R 6.
Adopt the level pressure sensor to carry out foam and detect, simple and convenient, be easy to realize.
In addition, one of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by program, described program can be stored in the computer-readable recording medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-OnlyMemory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (10)
1, a kind of foam detecting method is characterized in that, comprising:
Detect the water level of roller washing machine in dehydration;
According to the result of described detection, judge whether the foam that described roller washing machine produces exceeds standard in dehydration.
2, the method for claim 1 is characterized in that, detects the water level of roller washing machine in dehydration and specifically comprises:
Water level when detecting described roller washing machine draining finishing in described dehydration obtains first index signal;
Water level when detecting described roller washing machine its inner core rotating at a high speed in described dehydration obtains second index signal,
Described result according to described detection, judge whether foam that described roller washing machine produces exceeds standard specifically to comprise in dehydration:
According to described first index signal, second index signal, and the threshold value that presets, judge whether described first index signal difference corresponding with described second index signal surpasses described threshold value, if the foam that then described roller washing machine produces exceeds standard in dehydration.
3, method as claimed in claim 2 is characterized in that, described first index signal, described second index signal are voltage signal, and perhaps, described first index signal, described second index signal are frequency signal.
4, the method for claim 1 is characterized in that, described method also comprises:
When the foam that produces in dehydration when described roller washing machine exceeds standard, control described roller washing machine and stop described dehydration and restart rinse cycle before the described dehydration.
5, a kind of foam detecting device is characterized in that, comprising:
Detecting unit is used for detecting the water level of roller washing machine in dehydration;
Processing unit is used for the result according to described detection, judges whether the foam that described roller washing machine produces in dehydration exceeds standard.
6, device as claimed in claim 5 is characterized in that, described processing unit comprises:
Judging unit is used for the result according to described detection, judges whether the foam that described roller washing machine produces in dehydration exceeds standard;
Control module, be used for when described judgment unit judges be foam that described roller washing machine produces in dehydration when exceeding standard, control described roller washing machine and stop described dehydration and restart rinse cycle before the described dehydration.
7, device as claimed in claim 6 is characterized in that, described detecting unit comprises:
First detecting unit is used for detecting the water level of described roller washing machine when described dehydration draining finishes, and obtains first index signal;
Second detecting unit is used for detecting the water level of described roller washing machine when its inner core of described dehydration rotates at a high speed, obtains second index signal,
Described judging unit comprises:
Memory cell is used to store the threshold value that presets;
The foam judging unit, be used for according to described first index signal, second index signal, and described threshold value, judge whether described first index signal difference corresponding with described second index signal surpasses described threshold value, if the foam that then described roller washing machine produces in dehydration exceeds standard.
8, device as claimed in claim 7 is characterized in that, described first index signal, described second index signal are voltage signal, and perhaps, described first index signal, described second index signal are frequency signal.
9, device as claimed in claim 5 is characterized in that, described detecting unit is the level pressure sensor, and described processing unit is a microprocessing unit.
10, a kind of roller washing machine is characterized in that, comprising:
Foam detecting device is used for detecting the water level of roller washing machine in dehydration, and according to the result of described detection, judges whether the foam that described roller washing machine produces exceeds standard in dehydration.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101059764A CN101498094B (en) | 2009-03-11 | 2009-03-11 | Foam detecting method, foam detection device and drum-type washing machine |
| PCT/CN2009/076206 WO2010102504A1 (en) | 2009-03-11 | 2009-12-29 | Foam detection method, foam detection device and drum washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101059764A CN101498094B (en) | 2009-03-11 | 2009-03-11 | Foam detecting method, foam detection device and drum-type washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101498094A true CN101498094A (en) | 2009-08-05 |
| CN101498094B CN101498094B (en) | 2011-05-04 |
Family
ID=40945356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101059764A Expired - Fee Related CN101498094B (en) | 2009-03-11 | 2009-03-11 | Foam detecting method, foam detection device and drum-type washing machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101498094B (en) |
| WO (1) | WO2010102504A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102504A1 (en) * | 2009-03-11 | 2010-09-16 | 深圳和而泰智能控制股份有限公司 | Foam detection method, foam detection device and drum washing machine |
| CN106350967A (en) * | 2016-10-11 | 2017-01-25 | 珠海格力电器股份有限公司 | Bubble processing method and device |
| CN106350968A (en) * | 2016-10-17 | 2017-01-25 | 珠海格力电器股份有限公司 | Method and system for preventing foam from overflowing |
| CN106978701A (en) * | 2017-03-24 | 2017-07-25 | 无锡小天鹅股份有限公司 | Washing machine and its with water dehydration controlling method and device |
| CN107438684A (en) * | 2015-04-01 | 2017-12-05 | Bsh家用电器有限公司 | Foam for being analyzed and processed by means of motor current is detected to run the method for washing machine and be this suitable washing machine |
| CN108166219A (en) * | 2016-12-07 | 2018-06-15 | 青岛海尔滚筒洗衣机有限公司 | A kind of foam detection of washing machine and removing method |
| CN108265461A (en) * | 2017-12-22 | 2018-07-10 | 珠海格力电器股份有限公司 | The treating method and apparatus of foam in washing machine |
| CN108866931A (en) * | 2017-05-15 | 2018-11-23 | 青岛海尔洗衣机有限公司 | The dehydration controlling method and system of washing machine and washing machine including the system |
| CN108978135A (en) * | 2017-06-01 | 2018-12-11 | 青岛海尔洗衣机有限公司 | Washing machine drainage method |
| CN110714297A (en) * | 2019-09-02 | 2020-01-21 | 珠海格力电器股份有限公司 | Washing machine dehydration mode control method, computer readable storage medium and washing machine |
| CN114606706A (en) * | 2020-12-04 | 2022-06-10 | 广州视源电子科技股份有限公司 | Defoaming control method, defoaming control device and storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140041728A1 (en) * | 2012-08-10 | 2014-02-13 | Whirlpool Corporation | Laundry treating appliance and method of detecting oversuds |
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| JPH01121097A (en) * | 1987-11-05 | 1989-05-12 | Nippon Kentetsu Co Ltd | Method for controlling dehydrating operation of fully automatic washer |
| JPH07185183A (en) * | 1993-12-28 | 1995-07-25 | Matsushita Electric Ind Co Ltd | Washing machine |
| KR19990042125A (en) * | 1997-11-25 | 1999-06-15 | 윤종용 | Water level device of washing machine |
| JP2001120878A (en) * | 1999-10-22 | 2001-05-08 | Toshiba Corp | Washing machine |
| KR101095555B1 (en) * | 2005-05-04 | 2011-12-19 | 삼성전자주식회사 | Washing machine and method to remove suds thereof |
| JP4600221B2 (en) * | 2005-09-06 | 2010-12-15 | パナソニック株式会社 | Drum washing machine |
| CN101173448A (en) * | 2006-10-30 | 2008-05-07 | 南京乐金熊猫电器有限公司 | Washing method of washing machine |
| KR20090061465A (en) * | 2007-12-11 | 2009-06-16 | 엘지전자 주식회사 | Method for detecting bubble of washing machine |
| CN101498094B (en) * | 2009-03-11 | 2011-05-04 | 深圳和而泰智能控制股份有限公司 | Foam detecting method, foam detection device and drum-type washing machine |
-
2009
- 2009-03-11 CN CN2009101059764A patent/CN101498094B/en not_active Expired - Fee Related
- 2009-12-29 WO PCT/CN2009/076206 patent/WO2010102504A1/en active Application Filing
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102504A1 (en) * | 2009-03-11 | 2010-09-16 | 深圳和而泰智能控制股份有限公司 | Foam detection method, foam detection device and drum washing machine |
| CN107438684A (en) * | 2015-04-01 | 2017-12-05 | Bsh家用电器有限公司 | Foam for being analyzed and processed by means of motor current is detected to run the method for washing machine and be this suitable washing machine |
| CN107438684B (en) * | 2015-04-01 | 2019-09-27 | Bsh家用电器有限公司 | The method of washing machine and thus suitable washing machine are run for detecting by means of the foam of motor current analysis processing |
| CN106350967A (en) * | 2016-10-11 | 2017-01-25 | 珠海格力电器股份有限公司 | Bubble processing method and device |
| CN106350968B (en) * | 2016-10-17 | 2019-01-08 | 珠海格力电器股份有限公司 | Prevent the method and system of foam overflow |
| CN106350968A (en) * | 2016-10-17 | 2017-01-25 | 珠海格力电器股份有限公司 | Method and system for preventing foam from overflowing |
| CN108166219A (en) * | 2016-12-07 | 2018-06-15 | 青岛海尔滚筒洗衣机有限公司 | A kind of foam detection of washing machine and removing method |
| CN106978701B (en) * | 2017-03-24 | 2020-04-14 | 无锡小天鹅电器有限公司 | Washing machine and dewatering control method and device with water for washing machine |
| CN106978701A (en) * | 2017-03-24 | 2017-07-25 | 无锡小天鹅股份有限公司 | Washing machine and its with water dehydration controlling method and device |
| CN108866931A (en) * | 2017-05-15 | 2018-11-23 | 青岛海尔洗衣机有限公司 | The dehydration controlling method and system of washing machine and washing machine including the system |
| CN108866931B (en) * | 2017-05-15 | 2021-08-24 | 青岛胶南海尔洗衣机有限公司 | Dehydration control method and system of washing machine and washing machine comprising system |
| CN108978135A (en) * | 2017-06-01 | 2018-12-11 | 青岛海尔洗衣机有限公司 | Washing machine drainage method |
| CN108265461A (en) * | 2017-12-22 | 2018-07-10 | 珠海格力电器股份有限公司 | The treating method and apparatus of foam in washing machine |
| CN110714297A (en) * | 2019-09-02 | 2020-01-21 | 珠海格力电器股份有限公司 | Washing machine dehydration mode control method, computer readable storage medium and washing machine |
| CN114606706A (en) * | 2020-12-04 | 2022-06-10 | 广州视源电子科技股份有限公司 | Defoaming control method, defoaming control device and storage medium |
| CN114606706B (en) * | 2020-12-04 | 2024-01-02 | 广州视源电子科技股份有限公司 | Defoaming control method, device and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101498094B (en) | 2011-05-04 |
| WO2010102504A1 (en) | 2010-09-16 |
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