CN103866530A - Control method for washing machine and washing machine applying same - Google Patents
Control method for washing machine and washing machine applying same Download PDFInfo
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- CN103866530A CN103866530A CN201410108513.4A CN201410108513A CN103866530A CN 103866530 A CN103866530 A CN 103866530A CN 201410108513 A CN201410108513 A CN 201410108513A CN 103866530 A CN103866530 A CN 103866530A
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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
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Abstract
The invention discloses a control method for a washing machine and a washing machine applying the same, belongs to the technical field of the washing machine and solves the technical problem that a traditional washing machine is lacking of a child safety function. The control method disclosed by the invention is characterized in that under the condition that the status that a cover of the washing machine is opened is detected, whether a foreign body falls into a washing tub or not is detected by the washing machine; if the status that the foreign body falls into the washing tub is detected, whether water exists in the washing tub or not is detected by the washing machine; if the status that the water exists in the washing tub is detected, the washing machine is drained, and therefore a child falling into the washing tub is guaranteed at least not be drowned. The control method disclosed by the embodiment of the invention can be applied to domestic washing machines, such as pulsator washing machines.
Description
[technical field]
The present invention relates to washing machine and control method for washing machine thereof, belong to washing machine technical field.
[background technology]
Current washing machine uses very universal, it is to utilize electricity generator tool to be used for the cleaning appliance of washing clothes, in practical work process, drive the impeller of wash bucket bottom to realize clothing rolling, rotation by mode suitable, that alternately rotate counterclockwise by motor, make phase mutual friction between clothing and clothing, clothing and impeller, clothing and washing barrel wall, coordinate washing agent to reach the object of cleaning clothing.Existing washing machine generally comprises body, cover and wash bucket, and the Main Function of cover is to open and close the input port to dropping into washings in wash bucket, can be with hood lock on some washing machine product, so that cover is locked washing machine is in service.
Realize and use in the process of above-mentioned washing machine, at least also there are the following problems: in the washing machine running with hood lock, do not open cover, accidentally fall into the situation in wash bucket once there are children, cover is closed the operation automatically of rear washing machine, there is potential safety hazard, if no matter now wash bucket inner storing water is shutdown or start, children's risk of being drowned; Washing machine with hood lock is opened cover in running at present, accidentally falls into the situation in wash bucket once there are children, and cover is closed rear hood lock and locked immediately, and washing machine moves automatically, has equally potential safety hazard.
[summary of the invention]
The present invention makes washing machine for the washing machine that overcomes the drawback of prior art a kind of control method of washing machine is provided and apply this control method.
The present invention adopts following technical scheme: a kind of control method of washing machine, detecting that washing machine is stamped open in the situation that, washing machine carries out foreign matter and falls into and detect, fall into wash bucket if foreign matter detected, washing machine detects in wash bucket whether have water, if detect in wash bucket and have water, washing machine carries out draining.
By the enforcement of technical solution of the present invention, fall into wash bucket when washing machine is determined with foreign matter, for example children, wash bucket has washing machine under regimen condition can automatically carry out draining, at least can guarantee children fall in wash bucket, can not occur drowned dangerous.
Further, detect that cover opens under washing machine operational mode, no matter whether carry out foreign matter and fall into and detect, when again closing cover and not pressing in the situation of start key, washing machine all enters park mode.
The washing machine of prior art is opened cover under operation mode, washing machine can stop action, but will turn back to operation mode after again closing cover, compared to existing technology, the enforcement of this technical scheme, washing machine is opened after cover under operation mode, no matter whether carrying out foreign matter falls into and detects, if again close cover and do not press in the situation of start key, washing machine all enters park mode, after avoiding occurring to open cover under washing machine operation mode, children fall into wash bucket, again close upper-cover washing machine automatically the situation of running occur.
Further, under washing machine "on" position, press after closing key, washing machine detects in wash bucket whether have water, if there is water in wash bucket, and power-off after emptied of water.
If have water in wash bucket after washing machine shutdown, children fall into wash bucket and also exist drowned dangerous, the enforcement of this technical scheme, washing machine is pressed after closing key under "on" position, washing machine detects in bucket whether have water, anhydrous washing machine power-off in bucket, has power-off after emptied of water of water in bucket, occur drowned dangerous in the wash bucket of avoiding having after washing machine shutdown children fall into water.
Further, the foreign matter of described washing machine falls into that to detect be that at least one inspection method according to following detects:
Water level detects, whether detect in setting-up time T1 water level frequency change arrives or exceedes preset value, if water level frequency change arrives or exceedes preset value in setting-up time T1, washing machine is determined with foreign matter and falls into wash bucket, if water level frequency change does not arrive preset value in setting-up time T1, sensed water level frequency again;
Bucket rocks and detects, whether detect in setting-up time T2 wash bucket shaking amplitude arrives or exceedes preset value, if wash bucket shaking amplitude arrives or exceedes preset value in setting-up time T2, washing machine is determined with foreign matter and falls into wash bucket, if wash bucket shaking amplitude does not arrive preset value in setting-up time T2, again detect wash bucket shaking amplitude;
Motor load variation detects, whether detect setting-up time T3 inner motor incremental loading arrives or exceedes preset value, if setting-up time T3 inner motor incremental loading arrives or exceedes preset value, washing machine is determined with foreign matter and falls into wash bucket, if setting-up time T3 inner motor incremental loading does not arrive preset value, again detect motor load amount and increase.
The enforcement of this technical scheme, by water level detect, bucket rocks and detects the use that changes one or several in detecting and detect means with motor load, improved foreign matter and fallen into the accuracy detecting;
Further, described water level detects and comprises the steps:
S01) start first timer;
S02) record current water level frequency F1;
S03) washing machine judges whether, through setting-up time T1, to have passed through setting-up time T1 and entered S04) step, still do not carry out S03 through setting-up time T1) step;
S04) record current water level frequency F2;
S05) draw the changing value of former and later two water level frequencies of setting-up time T1 | F1-F2|, | F1-F2| >=△ F washing machine is determined with foreign matter and falls into wash bucket, | F1-F2| < △ F turns back to S02) step.
Further, described bucket rocks the method detecting and comprises the steps:
S11) start second timer;
S12) record current bucket shaking amplitude H1;
S13) washing machine judges whether, through setting-up time T2, to have passed through setting-up time T2 and entered S14) step, still do not carry out S13 through setting-up time T2) step;
S14) record current bucket shaking amplitude H2;
S15) draw the changing value H2-H1 of former and later two barrel of shaking amplitude of setting-up time T1, H2-H1 >=△ H washing machine is determined with foreign matter and falls into wash bucket, and H2-H1 < △ H turns back to S12) step.
Further, described motor load changes the method detecting and comprises the steps:
S21) start the 3rd timer;
S22) record current motor load amount K1;
S23) washing machine judges whether, through setting-up time T3, to have passed through setting-up time T3 and entered S24) step, still do not carry out S23 through setting-up time T3) step;
S24) record current motor load amount K2;
S25) draw the changing value K2-K1 of former and later two motor load amounts of setting-up time T3, K2-K1 >=△ K washing machine is determined with foreign matter and falls into wash bucket, and motor stops action, and K2-K1 < △ K turns back to S22) step.
The invention allows for a kind of washing machine of applying above-mentioned control method.
The feature that the present invention is above-mentioned and advantage will be below the specific embodiment, accompanying drawing in detailed exposure.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structured flowchart of washing machine of the present invention;
Fig. 2 is the flow chart of children's safety function control method under washing machine park mode/initial stage standby mode of the present invention;
Fig. 3 is the flow chart of children's safety function control method under washing machine operation mode of the present invention;
The flow chart of children's safety function control method when Fig. 4 is washing machine shutdown of the present invention;
Fig. 5 opens the flow chart that does not carry out the control method that children's safety detects extremely after cover under washing machine operation mode of the present invention;
Fig. 6 is washing machine children's safety function control method middle water level inspection method flow chart of the present invention;
Fig. 7 is that in washing machine children's safety function control method of the present invention, bucket rocks inspection method flow chart;
Fig. 8 is that in washing machine children's safety function control method of the present invention, motor load changes inspection method flow chart.
[specific embodiment]
The control method for washing machine that the present invention proposes is to detect that washing machine is stamped open in the situation that, washing machine carries out foreign matter and falls into and detect, fall into wash bucket if foreign matter detected, washing machine detects in wash bucket whether have water, if detect in wash bucket and have water, washing machine carries out draining.What this control method proposed is mainly that such as children, pet etc. are fallen into wash bucket for there being foreign matter to fall into the corresponding safety measure of taking after wash bucket, at least can guarantee can in wash bucket, not occur drowned dangerous.
Accompanying drawing below in conjunction with the embodiment of the present invention is explained and illustrated the technical scheme of the embodiment of the present invention, but following embodiment is only the preferred embodiments of the present invention, not all.Based on the embodiment in embodiment, those skilled in the art are other embodiment that obtains under the prerequisite of not making creative work, all belong to protection scope of the present invention.
With reference to Fig. 1, washing machine of the present invention comprises body, be placed in wash bucket in body and for opening and closing the cover of wash bucket input port, also comprise control part 1, detect the cover checkout gear of cover opening and closing and detect foreign matter and fall into the abnormal detection mechanism that produces abnormal conditions after wash bucket, the abnormal conditions here refer to be fallen into after wash bucket when foreign matter, for the variation of water level in wash bucket, the variation of wash bucket self and the variation of motor load, so, abnormal detection mechanism of the present invention at least can comprise the condensate tank of dehumidifier 6 that detects water level in wash bucket, detect the device for detecting rock 4 of wash bucket shaking amplitude, detect motor load change detecting device for motor 8 in one.For example increase condensate tank of dehumidifier 6 at washing machine, judged whether that by SEA LEVEL VARIATION children fall into wash bucket; Or washing machine increases device for detecting rock 4, detect and judged whether that children fall into wash bucket by rocking of wash bucket.So condensate tank of dehumidifier 6, device for detecting rock 4 and the detecting device for motor 8 in abnormal detection mechanism can be applied in separately on washing machine of the present invention, also can be wantonly one or two or three use in conjunction on washing machine of the present invention.The following embodiment of the present invention explains as an example of children's safety example:
Above-mentioned control part 1 is also connected with to be set or cancels the input unit of washing machine children's safety function and store storage device and the output device of setting result.Wherein, control part 1 can be according to water level input and cover opening and closing input, control output device 5, thereby realize the function that ensures children's safety, the output device 5 here mainly comprises draining valve, motor and the alarm of washing machine, in controlling draining valve or motor operations, can also pass through alarm equipment alarm.2 of input units are function buttons, the present embodiment washing machine is provided with the setting key of children's function, can set or cancel washing machine children's safety function by this setting key, whether user can be according to there being children to select to set or cancel and set this function in family, with balance convenience and security.Storage device 3 possesses memory function, still continues to carry out the operational order before power down after power-off reset.
Above-mentioned apparatus lid opening should comprise full open position and half-open position, when practice, cover checkout gear is cover sensor normally, by the mode of cover sensor is set, whether closing lid puts in place to judge cover, after putting in place, cover closing lid can produce closing lid signal by trigger unit cover sensor, control part 1 detects cover closing lid and puts in place and allow user to carry out next-step operation, if cover sensor is not triggered or operation process in cover be opened, control part 1 can obtain the signal of uncapping, judge that with this cover is opened, if cover is opened in operation process, washing machine enters park mode.
Above-mentioned condensate tank of dehumidifier 6 is for detection of the water level in wash bucket, when practical application, can rely on the mode such as infrared sensor, water level detecting rod to realize, when washing machine shutdown, if detecting, condensate tank of dehumidifier 6 in wash bucket, has water storage, control part 1 is controlled draining valve work, and water storage is drained and just allows power-off shutdown; Under washing machine open state, condensate tank of dehumidifier 6 detects Real-Time Monitoring wash bucket water level, control part 1 has judged whether that according to the variation of water level frequency before and after setting-up time children fall in wash bucket, in general, and when children fall into wash bucket accidentally, wash bucket water level can significantly raise suddenly, once exceed the theoretical maximum stream flow of water intaking valve in setting-up time, just can be judged as children falls into wash bucket substantially, now, control part 1 is controlled draining valve work, and washing machine carries out draining.
The embodiment of the present invention also comprises the device for detecting rock 4 that detects wash bucket shaking amplitude, and device for detecting rock 4 is connected on control part 1.Children fall into after wash bucket and move with difficulty and can cause rocking of wash bucket, also can judge and whether have children to fall into wash bucket by detection wash bucket shaking amplitude, in setting-up time, detect wash bucket shaking amplitude, wash bucket shaking amplitude arrives or exceedes predetermined amplitude and has been judged to be children and falls into wash bucket, control part 1 is controlled draining valve work, and washing machine carries out draining.When concrete application, it is mainly to rely on the safety switch or the 3D sensor that are arranged in washing machine body to realize that shaking amplitude detects, rocking of wash bucket can be clashed into safety switch, cause the contact folding of safety switch, produce signal with this, control part judges wash bucket slosh frequency threshold value according to the signal of this safety switch, and safety switch can be mechanical type or magnetic inductive, such as microswitch or tongue tube etc.; Also can detect wash bucket in shaking amplitude threshold value by 3D sensor.
In addition, under washing machine operating condition, there are children to fall into wash bucket, can cause wash bucket load to increase suddenly, can be from driving this situation of motor reaction of wash bucket rotation, when load increases suddenly, can cause the reduction of motor rotary speed and the increase of motor current, when practice, detecting device for motor 8 comprises the motor speed checkout gear that detects motor rotary speed and the motor current checkout gear that detects motor current, in the time that the rotation speed change of motor or the curent change of motor reach or exceed preset value, can be determined with children and fall into wash bucket, now, control part 1 is controlled motor and is stopped and passing through alarm equipment alarm, on the one hand can child protection, on the other hand, in the time that increasing suddenly, load can protect motor can not be burned.
With reference to Fig. 2,3, according to technique scheme, the present invention proposes following control method: detecting that washing machine is stamped open in the situation that, washing machine carries out foreign matter and falls into and detect, fall into wash bucket if foreign matter detected, washing machine detects in wash bucket whether have water, if detect in wash bucket have water, washing machine carries out draining.
In the time of practice, washing machine has initial stage standby mode, park mode and three kinds of patterns of operation mode conventionally, after washing machine start, enter initial stage standby mode, if under cover closed condition, press start key washing machine enter operation mode, if press Pause key washing machine enter park mode.
According to above-mentioned control method, if in initial stage standby mode, whether washing machine detects cover and opens, cover is in closed condition, washing machine keeps initial stage standby mode, cover is opened washing machine and is carried out children's safety and extremely detect, what washing machine detected extremely according to children's safety detect result has judged whether that children fall into wash bucket, if washing machine judgement does not have children to fall into wash bucket, washing machine keeps initial stage standby mode, if washing machine judgement has children to fall into wash bucket, washing machine detects in bucket whether have water, the anhydrous initial stage standby mode that returns in bucket, in bucket, there is water after emptied of water, to return to initial stage standby mode,
If in park mode, whether washing machine detects cover and opens, cover is in closed condition, washing machine keeps park mode, cover is opened washing machine and is carried out children's safety and extremely detect, what washing machine detected extremely according to children's safety detect result has judged whether that children fall into wash bucket, if washing machine judgement does not have children to fall into wash bucket, washing machine keeps park mode, if washing machine judgement has children to fall into wash bucket, washing machine detects in bucket whether have water, the anhydrous park mode that returns in bucket, in bucket, there is water after emptied of water, to return to park mode,
If in operational mode, whether washing machine detects cover and opens, cover is in closed condition, washing machine keeps operation mode, cover is opened washing machine and is carried out children's safety and extremely detect, what washing machine detected extremely according to children's safety detect result has judged whether that children fall into wash bucket, if washing machine judgement does not have children to fall into wash bucket, washing machine keeps operation mode, if washing machine judgement has children to fall into wash bucket, washing machine detects in bucket whether have water, the anhydrous park mode that automatically enters in bucket, in bucket, there is water after emptied of water, to enter park mode, if press start key under park mode and detect that cover closes washing machine and enter operation mode.
Known according to above-mentioned control method: after washing machine energising, no matter in which kind of pattern, as long as there is the children's safety of setting function, when after the apparatus lid opening of washing machine, washing machine will carry out children's safety and extremely detect.
In the present embodiment, for washing machine park mode and initial stage standby mode, carrying out children's safety while extremely detecting, provide following inspection method:
Water level detects, whether detect in setting-up time T1 water level frequency change arrives or exceedes preset value, if water level frequency change arrives or exceedes preset value in setting-up time T1, washing machine is determined with children and falls into wash bucket, if water level frequency change does not arrive preset value in setting-up time T1, washing machine maintenance initial stage standby mode or park mode again sensed water level frequency;
Bucket rocks and detects, whether detect in setting-up time T2 wash bucket shaking amplitude arrives or exceedes preset value, if wash bucket shaking amplitude arrives or exceedes preset value in setting-up time T2, washing machine is determined with children and falls into wash bucket, if wash bucket shaking amplitude does not arrive preset value in setting-up time T2, washing machine keeps initial stage standby mode or park mode and again detects wash bucket shaking amplitude.
Optionally one of above-mentioned two kinds of inspection methods, or two kinds of restrictions that use, and do not detect simultaneously in order.
In the present embodiment, under washing machine operation mode, carrying out children's safety while extremely detecting, provide following inspection method:
Water level detects, whether detect in setting-up time T1 water level frequency change arrives or exceedes preset value, if water level frequency change arrives or exceedes preset value in setting-up time T1, washing machine is determined with children and falls into wash bucket, if water level frequency change does not arrive preset value in setting-up time T1, washing machine maintenance operation mode again sensed water level frequency;
Bucket rocks and detects, whether detect in setting-up time T2 wash bucket shaking amplitude arrives or exceedes preset value, if wash bucket shaking amplitude arrives or exceedes preset value in setting-up time T2, washing machine is determined with children and falls into wash bucket, if wash bucket shaking amplitude does not arrive preset value in setting-up time T2, washing machine keeps operation mode and again detects wash bucket shaking amplitude;
Motor load variation detects, whether detect setting-up time T3 inner motor incremental loading arrives or exceedes preset value, if setting-up time T3 inner motor incremental loading arrives or exceedes preset value, washing machine is determined with children and falls into wash bucket, if setting-up time T3 inner motor incremental loading does not arrive preset value, washing machine keeps operation mode and again detects motor load amount increment.
Optionally one of above-mentioned three kinds of inspection methods, or any two kinds of uses simultaneously, or three kinds of restrictions that use, and do not detect simultaneously in order.
Compare initial stage standby mode, if under washing machine operation mode, detect that cover opens, and washing machine has and judges that children fall in the situation of wash bucket, washing machine can enter park mode automatically, under park mode, user again closes cover and presses start key and just can make washing machine remain in operation, and this has just been avoided children accidentally to fall into the situation generation that in wash bucket, washing machine still remains in operation for a long time.
With reference to Fig. 6, the method that above-mentioned water level detects comprises the steps:
S01) start first timer;
S02) record current water level frequency F1;
S03) washing machine judges whether, through setting-up time T1, to have passed through setting-up time T1 and entered S04) step, still do not carry out S03 through setting-up time T1) step;
S04) record current water level frequency F2;
S05) draw the changing value of former and later two water level frequencies of setting-up time T1 | F1-F2|, | F1-F2| >=△ F washing machine is determined with children and falls into wash bucket, | F1-F2| < △ F turns back to S02) step.
Above-mentioned △ F is greater than the theoretical maximum stream flow of water intake valve of washing machine in setting-up time T1, and this can record according to experiment.No matter washing machine is standby mode or under operation mode in the early stage, all water levels in Real-Time Monitoring wash bucket, when water level raises suddenly and draining at once when the changing value of water level frequency is greater than setting value, avoid children accidentally to fall into occurring in the wash bucket of water the situation of being drowned.
With reference to Fig. 7, said bucket is rocked the method detecting and is comprised the steps:
S11) start second timer;
S12) record current bucket shaking amplitude H1;
S13) washing machine judges whether, through setting-up time T2, to have passed through setting-up time T2 and entered S14) step, still do not carry out S13 through setting-up time T2) step;
S14) record current bucket shaking amplitude H2;
S15) draw the changing value H2-H1 of former and later two barrel of shaking amplitude of setting-up time T1, H2-H1 >=△ H washing machine is determined with children and falls into wash bucket, and H2-H1 < △ H turns back to S12) step.
With reference to Fig. 8, the method that said motor load variations detects comprises the steps:
S21) start the 3rd timer;
S22) record current motor load amount K1;
S23) washing machine judges whether, through setting-up time T3, to have passed through setting-up time T3 and entered S24) step, still do not carry out S23 through setting-up time T3) step;
S24) record current motor load amount K2;
S25) draw the changing value K2-K1 of former and later two motor load amounts of setting-up time T3, K2-K1 >=△ K washing machine is determined with children and falls into wash bucket, and motor stops action, and K2-K1 < △ K turns back to S22) step.
In fact, after motor load changes, motor current and motor rotary speed have also produced respective change, so the motor load increment of the present embodiment can draw by detecting the mode that motor current changes or motor rotary speed changes.As changed to detect motor load variation by detecting motor current: start the 3rd timer, record the motor current value I1 under present load, after setting-up time T3, again record the motor current value I2 under present load, draw the changing value I2-I1 of former and later two motor current values of setting-up time T3, if I2-I1 >=△ I motor stops action, I2-I1 < △ I returns again and detects.
Change to detect motor load variation by detecting motor rotary speed: start the 3rd timer, record the motor rotary speed value V1 under present load, after setting-up time T3, again record the motor rotary speed value V2 under present load, draw the changing value V1-V2 of former and later two motor rotary speed values of setting-up time T3, V1-V2 >=△ V motor stops action, and V1-V2 △ V returns again and detects.
The setting value △ I that the setting value △ V of said motor rotation speed change and motor current change all records according to experimental data before dispatching from the factory, and sets in conjunction with washing machine rated capacity.The washing machine of for example 8 kilograms of rated capacities, exceedes in the situation of rated capacity 50%, motor rotary speed and electric current before and after record, and the difference drawing is △ V and △ I.
Existing most washing machine, under operation mode, detect that cover uncaps, only that motor stops action, buzzer warning, cover still turns back to operation mode after closing, if washing machine is opening mechanism under operation mode, after having children to fall into wash bucket, cover is closed again, washing machine turns back to operation mode, just there is children's safety hidden danger, with reference to Fig. 5, washing machine of the present invention is opened after cover under operation mode, no matter whether carrying out children's safety detects extremely, if again close cover and do not press in the situation of start key, washing machine is park mode, avoid occurring again closing the situation generation of running automatically of upper-cover washing machine after washing machine operation mode is opened cover, according to flow process shown in Fig. 5, that is to say, even if not carrying out above-mentioned children's safety detects extremely, when opening cover under operation mode, washing machine enters park mode, again close cover but do not press in the situation of start key, washing machine is still park mode, after avoiding occurring to open cover under washing machine operation mode, children fall into wash bucket, again close the situation generation of running automatically of upper-cover washing machine.
If have water in wash bucket after washing machine shutdown, children fall into wash bucket and also exist drowned dangerous, with reference to Fig. 4, washing machine of the present invention is pressed after closing key under standby mode, park mode or operation mode in the early stage, washing machine detects in bucket whether have water, anhydrous washing machine power-off in bucket, has power-off after emptied of water of water in bucket, occur drowned dangerous in the wash bucket of avoiding having after washing machine shutdown children fall into water.When practical operation, in the time that washing machine shuts down, detect inner bucket water position by condensate tank of dehumidifier, when detecting that while having water in bucket, washing machine control draining valve is opened, and carries out draining, until be empty water level in bucket, just allows power-off.
Certainly, the abnormal test function of children's safety of above-mentioned washing machine is in the time that user uses washing machine, to set under the prerequisite of children's safety function to carry out, once set and can pass through memory device stores, whether user can be according to there being child to select to set or cancel and setting in family, with balance convenience and security.
Above-described embodiment has provided the children's safety control method of washing machine of the present invention, but those skilled in the art can expect according to above-mentioned embodiment, and as other foreign matters such as pet are fallen into washing machine, the control method of the embodiment of the present invention is applicable equally.
The embodiment of the present invention can be applicable to washing machine, as rotary drum washing machine.
Those of ordinary skill in the art should be understood that the content the present invention includes but be not limited to accompanying drawing and describe in the specific embodiment above.Any modification that does not depart from function and structure principle of the present invention all will be included in the scope of claims.
Claims (8)
1. the control method of a washing machine, it is characterized in that: detecting that washing machine is stamped open in the situation that, washing machine carries out foreign matter and falls into and detect, fall into wash bucket if foreign matter detected, washing machine detects in wash bucket whether have water, if detect in wash bucket and have water, washing machine carries out draining.
2. the control method of a kind of washing machine as claimed in claim 1, it is characterized in that: under washing machine operational mode, detect that cover opens, no matter whether carry out foreign matter and fall into and detect, when again closing cover and not pressing in the situation of start key, washing machine all enters park mode.
3. the control method of a kind of washing machine as claimed in claim 1, is characterized in that: under washing machine "on" position, press after closing key, washing machine detects in wash bucket whether have water, if there is water in wash bucket, and power-off after emptied of water.
4. the control method of a kind of washing machine as described in claim 1 or 2 or 3, is characterized in that: the foreign matter of described washing machine is fallen into and detected is that at least one inspection method according to following detects:
Water level detects, whether detect in setting-up time T1 water level frequency change arrives or exceedes preset value, if water level frequency change arrives or exceedes preset value in setting-up time T1, washing machine is determined with foreign matter and falls into wash bucket, if water level frequency change does not arrive preset value in setting-up time T1, sensed water level frequency again;
Bucket rocks and detects, whether detect in setting-up time T2 wash bucket shaking amplitude arrives or exceedes preset value, if wash bucket shaking amplitude arrives or exceedes preset value in setting-up time T2, washing machine is determined with foreign matter and falls into wash bucket, if wash bucket shaking amplitude does not arrive preset value in setting-up time T2, again detect wash bucket shaking amplitude;
Motor load variation detects, whether detect setting-up time T3 inner motor incremental loading arrives or exceedes preset value, if setting-up time T3 inner motor incremental loading arrives or exceedes preset value, washing machine is determined with foreign matter and falls into wash bucket, if setting-up time T3 inner motor incremental loading does not arrive preset value, again detect motor load amount and increase.
5. the control method of a kind of washing machine as claimed in claim 4, is characterized in that: described water level detects and comprises the steps:
S01) start first timer;
S02) record current water level frequency F1;
S03) washing machine judges whether, through setting-up time T1, to have passed through setting-up time T1 and entered S04) step, still do not carry out S03 through setting-up time T1) step;
S04) record current water level frequency F2;
S05) draw the changing value of former and later two water level frequencies of setting-up time T1 | F1-F2|, | F1-F2| >=△ F washing machine is determined with foreign matter and falls into wash bucket, | F1-F2| < △ F turns back to S02) step.
6. the control method of a kind of washing machine as claimed in claim 4, is characterized in that: described bucket rocks to detect and comprises the steps:
S11) start second timer;
S12) record current bucket shaking amplitude H1;
S13) washing machine judges whether, through setting-up time T2, to have passed through setting-up time T2 and entered S14) step, still do not carry out S13 through setting-up time T2) step;
S14) record current bucket shaking amplitude H2;
S15) draw the changing value H2-H1 of former and later two barrel of shaking amplitude of setting-up time T1, H2-H1 >=△ H washing machine is determined with foreign matter and falls into wash bucket, and H2-H1 < △ H turns back to S12) step.
7. the control method of a kind of washing machine as claimed in claim 4, is characterized in that: described motor load variation detects and comprises the steps:
S21) start the 3rd timer;
S22) record current motor load amount K1;
S23) washing machine judges whether, through setting-up time T3, to have passed through setting-up time T3 and entered S24) step, still do not carry out S23 through setting-up time T3) step;
S24) record current motor load amount K2;
S25) draw the changing value K2-K1 of former and later two motor load amounts of setting-up time T3, K2-K1 >=△ K washing machine is determined with foreign matter and falls into wash bucket, and motor stops action, and K2-K1 < △ K turns back to S22) step.
8. a washing machine, is characterized in that: the control method for washing machine described in application the claims 1 to 7 any one.
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| CN105624971A (en) * | 2015-12-18 | 2016-06-01 | 南京创维家用电器有限公司 | Washing machine and control method thereof |
| JP2018153613A (en) * | 2017-03-16 | 2018-10-04 | パナソニックＩｐマネジメント株式会社 | Washing and drying apparatus and information processing method |
| CN108625092A (en) * | 2017-03-16 | 2018-10-09 | 松下知识产权经营株式会社 | Wash drying device and control method |
| CN108796988A (en) * | 2018-05-30 | 2018-11-13 | 苏州树云网络科技有限公司 | A kind of foreign matter detection method |
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Effective date of registration: 20210203 Address after: 310018 No.2, Songqiao street, Hangzhou Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee after: PANASONIC HOME APPLIANCES (CHINA) Co.,Ltd. Patentee after: Hangzhou Matsushita Household Appliances Co.,Ltd. Address before: 310018 3-A, No. 6 Songqiao Street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: PANASONIC HOME APPLIANCES R&D CENTER (HANGZHOU) Co.,Ltd. Patentee before: Hangzhou Matsushita Household Appliances Co.,Ltd. |