CN105506919A - Dehydration control method and washing machine - Google Patents
Dehydration control method and washing machine Download PDFInfo
- Publication number
- CN105506919A CN105506919A CN201610059704.5A CN201610059704A CN105506919A CN 105506919 A CN105506919 A CN 105506919A CN 201610059704 A CN201610059704 A CN 201610059704A CN 105506919 A CN105506919 A CN 105506919A
- Authority
- CN
- China
- Prior art keywords
- dehydration
- draining pump
- electric current
- current
- control module
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000018044 dehydration Effects 0.000 title claims abstract description 108
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000005406 washing Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000005611 electricity Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention provides a dehydration control method and a washing machine, wherein the dehydration control method comprises the following steps: 1) dewatering and draining; 2) detecting a detection current delta I of a drainage pump control module; 3) comparing the detected current delta I with a preset current I, wherein the preset current I is the current of a drainage pump control module of the drainage pump in a gas-liquid mixed state; when the detected current delta I is larger than the preset current I, entering the step 2); when the detected current delta I is less than or equal to the preset current I, entering the step 4); 4) stopping dewatering and draining. The dehydration control method provided by the invention can stop dehydration in time when dehydration is finished, thereby avoiding the condition of insufficient dehydration of timed dehydration and effectively improving the dehydration effect; the condition of excessive dehydration is also avoided, and the waste of electric quantity is avoided.
Description
Technical field
The present invention relates to laundry facilities technical field, particularly a kind of dehydration controlling method and washing machine.
Background technology
Washing machine is when dewatering, and drive clothing to be thrown away by the water contained in clothing in the effect of centrifugal force by the startup of dehydration electric motor, the water thrown away enters scupper hose, and is discharged by draining pump.
At present, the dewatering of washing machine is all adopt timing dehydration.That is, user rule of thumb sets dewatering time or dewaters according to the dewatering time of the program setting of washing machine master control borad, after the time to be drained off arrives, stops dehydration.
Under certain rotating speed, the material of clothing, moisture content and clothes amount affect dehydration required time.When clothing moisture content and clothes amount is more or clothing is not easy to dehydration time, need the longer time to dewater, just can reach the abundant dehydration of clothing under this rotating speed; When clothing moisture content and clothes amount is less or clothing is easy to dehydration time, need the shorter time to dewater, just can reach the abundant dehydration of clothing under this rotating speed.Therefore, under timing dehydration, when clothing moisture content is high or clothing is many, very easily causes the situation that dehydration is insufficient, affect dehydrating effect; And when clothing moisture content is low or clothing is few, then still carries out dehydrating operations after clothing can be made fully to dewater, cause the waste of electricity.
Therefore, how improving dehydrating effect, avoid electricity to waste, is the art personnel problem demanding prompt solutions.
Summary of the invention
In view of this, the invention provides a kind of dehydration controlling method, to improve dehydrating effect, avoid electricity to waste.Present invention also offers a kind of washing machine.
In order to achieve the above object, the invention provides following technical scheme:
A kind of dehydration controlling method, comprises step:
1) dehydration and draining is started;
2) the detection electric current Δ I of draining pump control module is detected;
3) detection electric current Δ I detection obtained and scheduled current I compares, and scheduled current I is the electric current of draining pump draining pump control module under gas-liquid mixture phase;
When detecting the detection electric current Δ I obtained and being greater than scheduled current I, enter step 2);
When detecting the detection electric current Δ I obtained and being less than or equal to scheduled current I, enter step 4);
4) dehydration and draining is stopped.
Preferably, in above-mentioned dehydration controlling method, described step 2) in, dehydration electric motor rotating speed increases, and when the rotating speed of described dehydration electric motor arrives setting speed n1, detects the detection electric current Δ I of draining pump control module.
Preferably, in above-mentioned dehydration controlling method, described step 2) in, detect the detection electric current Δ I of draining pump control module in real time.
Preferably, in above-mentioned dehydration controlling method, described step 2) in, through the detection electric current Δ I of Δ t detection interval time draining pump control module.
Preferably, in above-mentioned dehydration controlling method, described interval time, Δ t was the unit time.
Preferably, in above-mentioned dehydration controlling method, described interval time, Δ t reduced along with the reduction of the difference of described detection electric current Δ I and described scheduled current I.
Preferably, in above-mentioned dehydration controlling method, described step 3) in, be less than or equal to scheduled current I when detecting the detection electric current Δ I obtained and after predetermined hold-time t ', enter step 4).
Preferably, in above-mentioned dehydration controlling method, described scheduled time t ' is more than or equal to 20s.
Present invention also offers a kind of washing machine, comprise draining pump, also comprise master control borad, described master control borad has:
The draining pump control module communicated to connect with described draining pump;
Communicate to connect with described draining pump control module, for detecting the detection module of the detection electric current Δ I of described draining pump control module;
The comparison module communicated to connect with described detection module, scheduled current I is set with in described comparison module, scheduled current I is the electric current of described draining pump described draining pump control module under gas-liquid mixture phase, detection electric current Δ I and scheduled current I compares by described comparison module, exports when detecting electric current Δ I and being less than or equal to scheduled current I the signal stopping dehydration and draining.
Dehydration controlling method provided by the invention, in dehydration, draws the load condition of draining pump indirectly by the detection electric current Δ I detecting draining pump control module.When detecting the detection electric current Δ I obtained and being greater than scheduled current I, under draining pump is in water load state, still need to continue dehydration; When detecting the detection electric current Δ I obtained and being less than or equal to scheduled current I, under draining pump is in steam mixed load state, now dehydrating amount is less to not having, and is dehydration completion status, now stops dehydration and draining.The dehydration controlling method that the embodiment of the present invention provides, stops dehydration in time when dehydration completes, avoid the situation that the dehydration of timing dehydration is insufficient, effectively improve dehydrating effect; It also avoid the situation that dehydration is excessive, avoid the waste of electricity.
The embodiment of the present invention additionally provides a kind of washing machine.There is the technique effect same with above-mentioned dehydration controlling method, tire out no longer one by one at this and state.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of the dehydration controlling method that Fig. 1 provides for the embodiment of the present invention.
Detailed description of the invention
The invention provides a kind of dehydration controlling method, to improve dehydrating effect, avoid electricity to waste.Present invention also offers a kind of washing machine.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, the schematic flow sheet of the dehydration controlling method that Fig. 1 provides for the embodiment of the present invention.
Embodiments provide a kind of dehydration controlling method, comprise step:
S1: start dehydration and draining;
Start dehydration electric motor and carry out dehydrating operations, and, start draining pump and carry out draining.Just there is water to throw away while dehydration, therefore, preferably dehydration electric motor is started in draining pump simultaneously.
S2: the detection electric current Δ I detecting draining pump control module;
Change due to load in draining pump can cause the change of the detection electric current Δ I of draining pump control module, and therefore, the detection electric current Δ I obtained by detecting draining pump control module can reflect the loading condition of draining pump indirectly.
S3: the detection electric current Δ I obtain detection and scheduled current I compares, and scheduled current I is the electric current of draining pump draining pump control module under gas-liquid mixture phase;
When the final stage of laundry machine dehydration, dehydrating amount is reduced to not to be had, and draining pump cannot continue draining.The water that draining pump inside retains and gas and vapor permeation, namely draining pump is in steam admixture, draining pump under the state of steam mixed load with draining pump under the state of water load compared with, the electric current of draining pump draining pump control module when the state of water load is greater than the electric current of draining pump draining pump control module when the state of steam mixed load.
When detecting the detection electric current Δ I obtained and being greater than scheduled current I, then judge that draining pump is in water load state, now displacement does not reduce, and still needs to continue dehydration, therefore, enters step S2.
When detecting the detection electric current Δ I obtained and being less than or equal to scheduled current I, then judge that draining pump is in steam mixed load state, now displacement reduces, and dehydrating amount is reduced to not to be had, and enters step S4.
Be understandable that, scheduled current I is preferably and detects draining pump control module when washing machine is in steam admixture by draining pump before dispatching from the factory and obtain, and inputs in the control panel of washing machine.
S4: stop dehydration and draining.
Stop dehydration electric motor and draining pump.Wherein, dehydration electric motor and draining pump can stop simultaneously.Also first can stop dehydration electric motor, then stop draining pump.
The dehydration controlling method that the embodiment of the present invention provides, in dehydration, draws the load condition of draining pump indirectly by the detection electric current Δ I detecting draining pump control module.When detecting the detection electric current Δ I obtained and being greater than scheduled current I, under draining pump is in water load state, still need to continue dehydration; When detecting the detection electric current Δ I obtained and being less than or equal to scheduled current I, under draining pump is in steam mixed load state, now dehydrating amount is less to not having, and is dehydration completion status, now stops dehydration and draining.The dehydration controlling method that the embodiment of the present invention provides, stops dehydration in time when dehydration completes, avoid the situation that the dehydration of timing dehydration is insufficient, effectively improve dehydrating effect; It also avoid the situation that dehydration is excessive, avoid the waste of electricity.
Dehydration electric motor is when initial start because rotating speed is lower, and dehydrating amount is less, and therefore, draining pump may be in steam admixture.In order to avoid the impact of above-mentioned situation, improve accuracy of detection.In step S2, dehydration electric motor rotating speed increases, and when the rotating speed of described dehydration electric motor arrives setting speed n1, detects the detection electric current Δ I of draining pump control module.That is, when dehydration electric motor arrives setting speed n1, rotate with constant speed.Because the model of dehydration electric motor and draining pump matches, clothing is not when having dewatered, and the enough draining pumps of dehydrating amount that dehydration electric motor rotates with setting speed n1 are with the draining of water load state.
In order to improve control accuracy, in the first embodiment, in step S2, detect the detection electric current Δ I of draining pump control module in real time.Along with the increase of dewatering time, dehydrating amount also changes thereupon, and therefore, the displacement of draining pump also changes thereupon.By detecting electric current Δ I in real time, so that detect that draining pump is in the time point of gas-liquid mixture phase in time, and then improve the time point stopping dehydration, improve the precision that dehydration controls.
In the second embodiment, in step S2, through the detection electric current Δ I of Δ t detection interval time draining pump control module.That is, often through interval time Δ t draining pump control module is detected, and detection electric current Δ I and scheduled current I to be compared, facilitates detection operation.
Wherein, interval time, Δ t can be the unit time.That is, Δ t interval time of adjacent twice detection draining pump control module is identical, facilitates the setting of Δ t interval time.Unit interval specifically can be arranged according to the dehydration coefficient of washing machine, does not do concrete restriction at this.
Also Δ t interval time can be set as variable.Preferably, interval time, Δ t reduced along with the reduction of the difference of detection electric current Δ I and scheduled current I.Time understandable, when the difference of detection electric current Δ I and scheduled current I is larger, dehydrating amount is still in larger state, and therefore, interval time, Δ t can choose larger value; And when the difference detecting electric current Δ I and scheduled current I is less, dehydrating amount is less, and therefore, interval time, Δ t can choose less value.By above-mentioned setting, further increase control accuracy.
In step S3, be less than or equal to scheduled current I when detecting the detection electric current Δ I obtained and after predetermined hold-time t ', enter step S4.When draining pump is in steam admixture, dehydrating amount is decreased to not to be had, but can not guarantee in the short time that clothing fully dewaters.Therefore, after the detection electric current Δ I that detection obtains is less than or equal to the state predetermined hold-time t ' of scheduled current I, ensure that clothing fully dewaters, further increase dehydrating effect.Further, avoid and the factor such as to put because of clothing and affect dehydrating amount, cause dehydration not complete and draining pump is in steam admixture within certain period time mistakenly stop only, further increase dehydration control accuracy.
Preferably, t ' is more than or equal to 20s the scheduled time.By above-mentioned setting, further ensure that clothes dewatering effect.Certainly, also scheduled time t ' can be set to the value being less than 20s.
Embodiments provide a kind of washing machine, comprise draining pump, also comprise master control borad, master control borad has:
The draining pump control module communicated to connect with draining pump;
Communicate to connect with draining pump control module, for detecting the detection module of the detection electric current Δ I of draining pump control module;
The comparison module communicated to connect with detection module, scheduled current I is set with in comparison module, scheduled current I is the electric current of draining pump draining pump control module under gas-liquid mixture phase, detection electric current Δ I and scheduled current I compares by comparison module, exports when detecting electric current Δ I and being less than or equal to scheduled current I the signal stopping dehydration and draining.
The washing machine that the embodiment of the present invention provides, in dehydration, detection module draws the load condition of draining pump indirectly by the detection electric current Δ I detecting draining pump control module.Detection module is detected the detection electric current Δ I that obtains and scheduled current I and compares by comparison module.When detecting electric current Δ I and being greater than scheduled current I, under draining pump is in water load state, still need to continue dehydration; When detecting electric current Δ I and being less than or equal to scheduled current I, under draining pump is in steam mixed load state, now dehydrating amount is less does not even have, and is dehydration completion status, and now comparison module exports the signal stopping dehydration and draining, stops dehydration and draining.The washing machine that the embodiment of the present invention provides, stops dehydration in time when dehydration completes, avoid the situation that the dehydration of timing dehydration is insufficient, effectively improve dehydrating effect; It also avoid the situation that dehydration is excessive, avoid the waste of electric energy.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a dehydration controlling method, is characterized in that, comprises step:
1) dehydration and draining is started;
2) the detection electric current Δ I of draining pump control module is detected;
3) detection electric current Δ I detection obtained and scheduled current I compares, and scheduled current I is the electric current of draining pump draining pump control module under gas-liquid mixture phase;
When detecting the detection electric current Δ I obtained and being greater than scheduled current I, enter step 2);
When detecting the detection electric current Δ I obtained and being less than or equal to scheduled current I, enter step 4);
4) dehydration and draining is stopped.
2. dehydration controlling method according to claim 1, is characterized in that, described step 2) in, dehydration electric motor rotating speed increases, and when the rotating speed of described dehydration electric motor arrives setting speed n1, detects the detection electric current Δ I of draining pump control module.
3. dehydration controlling method according to claim 1, is characterized in that, described step 2) in, detect the detection electric current Δ I of draining pump control module in real time.
4. dehydration controlling method according to claim 1, is characterized in that, described step 2) in, through the detection electric current Δ I of Δ t detection interval time draining pump control module.
5. dehydration controlling method according to claim 4, is characterized in that, described interval time, Δ t was the unit time.
6. dehydration controlling method according to claim 4, is characterized in that, described interval time, Δ t reduced along with the reduction of the difference of described detection electric current Δ I and described scheduled current I.
7. the dehydration controlling method according to any one of claim 1-6, is characterized in that, described step 3) in, be less than or equal to scheduled current I when detecting the detection electric current Δ I obtained and after predetermined hold-time t ', enter step 4).
8. dehydration controlling method according to claim 7, is characterized in that, described scheduled time t ' is more than or equal to 20s.
9. a washing machine, comprises draining pump, it is characterized in that, also comprises master control borad, and described master control borad has:
The draining pump control module communicated to connect with described draining pump;
Communicate to connect with described draining pump control module, for detecting the detection module of the detection electric current Δ I of described draining pump control module;
The comparison module communicated to connect with described detection module, scheduled current I is set with in described comparison module, scheduled current I is the electric current of described draining pump described draining pump control module under gas-liquid mixture phase, detection electric current Δ I and scheduled current I compares by described comparison module, exports when detecting electric current Δ I and being less than or equal to scheduled current I the signal stopping dehydration and draining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610059704.5A CN105506919B (en) | 2016-01-28 | 2016-01-28 | Dehydration control method and washing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610059704.5A CN105506919B (en) | 2016-01-28 | 2016-01-28 | Dehydration control method and washing machine |
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| CN105506919A true CN105506919A (en) | 2016-04-20 |
| CN105506919B CN105506919B (en) | 2017-11-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190481A (en) * | 2017-04-25 | 2017-09-22 | 无锡飞翎电子有限公司 | Washing machine and its sump pump system |
| CN109539460A (en) * | 2018-11-01 | 2019-03-29 | 珠海格力电器股份有限公司 | Water pump control method and air conditioner outdoor unit |
| WO2019119234A1 (en) * | 2017-12-18 | 2019-06-27 | 深圳市大疆创新科技有限公司 | Detection method and device, unmanned aerial vehicle and readable storage medium |
| CN112760911A (en) * | 2020-12-24 | 2021-05-07 | 珠海格力电器股份有限公司 | Control method and device of washing machine, storage medium and processor |
| CN112853676A (en) * | 2020-12-31 | 2021-05-28 | 长虹美菱股份有限公司 | Dewatering control method for active noise reduction of draining pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107190481A (en) * | 2017-04-25 | 2017-09-22 | 无锡飞翎电子有限公司 | Washing machine and its sump pump system |
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| CN112760911A (en) * | 2020-12-24 | 2021-05-07 | 珠海格力电器股份有限公司 | Control method and device of washing machine, storage medium and processor |
| CN112853676A (en) * | 2020-12-31 | 2021-05-28 | 长虹美菱股份有限公司 | Dewatering control method for active noise reduction of draining pump |
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