CN1888218A - Control method for washing machine - Google Patents
Control method for washing machine Download PDFInfo
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- CN1888218A CN1888218A CN 200510014189 CN200510014189A CN1888218A CN 1888218 A CN1888218 A CN 1888218A CN 200510014189 CN200510014189 CN 200510014189 CN 200510014189 A CN200510014189 A CN 200510014189A CN 1888218 A CN1888218 A CN 1888218A
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Abstract
The present invention relates to a control method of washing machine. Said control method includes the following several steps: first step, after the washing process is completed, when the washing water is discharged from the interior of drum, detecting eccentricity of washed clothes in the drum interior and judging single load or multiple load; second step, after the dewatering operation is executed according to the judged load amount, executing operations of supplying water/rinsing/discharging water; third step, in order to execute dewatering operation further detecting eccentricity, according to the judged load amount setting different eccentricity detection frequency and further judging load amount; and fourth step, after the final rinsing operation is executed, executing final dewatering operation.
Description
Technical field
The present invention relates to a kind of control method of washing machine.
Background technology
In general, washing machine is a device of removing the dirt in the washings, in above-mentioned car washing installation, supplies with washings for the washing by soaking thing, and in above-mentioned washings the washing agent of dissolving appropriate amount, remove dirt in the above-mentioned washings by the chemical action of above-mentioned washing agent.Simultaneously, the above-mentioned cylinder that accommodates washings is rotated, and by producing mechanical friction or vibrate the dirt of removing in the washings with above-mentioned washings.
As shown in Figure 1, existing washing machine 1 includes: the cylinder (not shown) that is used to hold washings; Be used to rotate the motor (not shown) of above-mentioned cylinder; Be used to the microcomputer (not shown) regulating the laundry stroke of above-mentioned washing machine and control washer operation.
Also include out in the above-mentioned washing machine 1/feedwater/water discharging valve (not shown) of closed operation, and carry out concrete laundry stroke according to above-mentioned control of microcomputer operation.
With reference to the accompanying drawings the as above control method of the existing washing machine of structure is described, Fig. 2 is the flow chart of the control method of existing washing machine.
As shown in Figure 2, above-mentioned washing machine 1 is behind washing step or cleaning step, with the washings (S1 step) of discharging repeatedly in the above-mentioned cylinder.
Before carrying out above-mentioned dehydration, in order to judge the eccentric degree of the washings in the above-mentioned cylinder, to operate and carry out eccentricity detecting, above-mentioned eccentricity detecting operation will be carried out certain number of times above (S2 step).
Wherein, above-mentioned detected eccentricity value is counted for the situation more than the benchmark eccentricity value of setting,, will be judged as single load when detected eccentricity value is the benchmark number of times of setting when above; In the time of below detected eccentricity value is the benchmark eccentricity value or in the benchmark number of times, then be judged as volume load (S4, S6 step).
Particularly, above-mentioned washing machine will be carried out the eccentricity detecting operation more than 20 times, wherein, be a reference value when above when detecting eccentricity value more than 19 times, will be judged as single load.
According to single load/volume load of judging in the operation of above-mentioned eccentricity detecting whether, will make rotation number subsequently be set at different values, and carry out dehydration (S5, S7 step).
But, in the control method of existing washing machine 1, whether and carry out dehydrating operations the single load of initial decision, and in the process of carrying out washing/cleaning stroke, when entering dehydrating operations, whether will judge single load/volume load repeatedly, enter the required time thereby cause prolonging dehydration, the then corresponding lengthening laundry required time of stroke, and reduce energy efficiency.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective of the control method existence of existing washing machine, and provide a kind of control method of washing machine, whether go out single load/volume load by detecting eccentricity judgment, and the eccentricity detecting after initial decision when operation, carry out the eccentricity detecting operation according to the initial decision result, and carry out dehydrating operations according to above-mentioned eccentricity detecting judged result.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of control method of washing machine is characterized in that, it includes following several steps: the 1st step when discharging the washings in the cylinder behind washing stroke, detects the offset of the washings of above-mentioned cylinder inside, and whether judges single load/volume load; The 2nd step behind the load capacity execution dehydrating operations of judging, is then carried out feedwater/cleaning/drain operation; The 3rd step, when in order to carry out dehydrating operations offset being detected again, whether the single load/volume load of the load capacity that goes out according to initial decision to be, sets different offsets and detects number of times, and load capacity is judged again; The 4th step after carrying out final cleaning operation, is carried out the final dewatering operation of dehydration stroke correspondence.
The control method of aforesaid washing machine, wherein the 1st step includes: in the 1st stage, detect the eccentricity value of washings more than 15 times, and judge whether above-mentioned detected each eccentricity value is more than the benchmark eccentricity value; In the 2nd stage, the result who judges in above-mentioned the 1st stage when the eccentricity value more than the benchmark eccentricity value is certain number of times when above, will be judged as single load; The result who judges in above-mentioned the 1st stage when the eccentricity value more than the benchmark eccentricity value is certain number of times when following, then is judged as the volume load.
The control method of aforesaid washing machine wherein in above-mentioned the 2nd stage, when the eccentricity value that detects more than 14 times more than the benchmark eccentricity value, will be judged as single load.
The control method of aforesaid washing machine, wherein the 2nd step includes: in the 3rd stage, carry out dehydrating operations according to the load capacity of judging, and carry out feedwater/cleaning/drain operation; In the 4th stage, when whenever carrying out cleaning operation, wash number is counted, and judged whether that execution has final cleaning step.
The control method of aforesaid washing machine, wherein the 3rd step includes: the 5th stage was under the situation of single load in the judged result of original negative carrying capacity, repeated multiple times is detected offset, and detected eccentricity value and benchmark eccentricity value are compared judgement; In the 6th stage, the result who judges in above-mentioned the 5th stage when the eccentricity value that detects more than certain number of times more than the benchmark eccentricity value, will be judged as single load; Under the reverse situation, then be judged as the volume load, and carry out above-mentioned the 2nd step according to the situation of each load capacity.
The control method of aforesaid washing machine wherein in above-mentioned the 6th stage, with the repeated detection offset, and when the eccentricity value that detects more than 5 times more than the benchmark eccentricity value, will be judged as single load.
The control method of aforesaid washing machine in above-mentioned the 3rd step, is under the situation of volume load when the load capacity of initially judging wherein, will judge load capacity again according to the original negative carrying capacity determination methods in above-mentioned the 2nd stage.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the stereogram of prior art washing machine;
Fig. 2 is the flow chart of the control method of prior art washing machine;
Fig. 3 is the block diagram of washing machine structure of the present invention;
Fig. 4 is the flow chart of the control method of washing machine of the present invention.
The number in the figure explanation:
10: microcomputer 20: eccentricity detecting portion
30: motor driving part 40: motor
The specific embodiment
As shown in Figure 3, washing machine of the present invention includes: be used to import the input part that impose a condition relevant with the stroke of doing washing; Be used to show the efferent of the mode of operation of above-mentioned washing machine; Be used to hold the cylinder (not shown) of washings; Be used to rotate the motor 40 of above-mentioned cylinder; Be used to control the motor driving part 30 of above-mentioned motor 40.
And, include in the above-mentioned washing machine: be used for storing the operation sequence relevant and operate the data portion 50 of execution in step as a reference value of judgment standard with the stroke of doing washing; Be used to control the microcomputer 10 of the operational stroke of above-mentioned washing machine.
And, also include in the above-mentioned washing machine: detect the winding of the washings that holds in the above-mentioned cylinder or the corresponding eccentric state that tilts, and above-mentioned information is sent to the eccentricity detecting portion 20 of above-mentioned microcomputer 10.
Store the benchmark eccentricity value in the above-mentioned data portion 50, make above-mentioned control part judge whether by above-mentioned eccentricity detecting portion 20 detected eccentricity values be more than a reference value, simultaneously, also stores the data that produce in each stroke step in the above-mentioned data portion 50.
Whether above-mentioned microcomputer 10 judges single load/volume load according to the testing result of above-mentioned eccentricity detecting portion 20, and the control signal that will make above-mentioned motor carry out different rotary sends in the above-mentioned motor driving part 30, and 30 control signals according to above-mentioned transmission of above-mentioned motor driving part drive above-mentioned motor.
Wherein, detected eccentricity value is counted for the above situation of setting of benchmark eccentricity value in the above-mentioned eccentricity detecting of 10 pairs of the above-mentioned microcomputers portion 20, detect more than 15 times and be benchmark eccentricity value when above more than 14 times, will be judged as single load at detected eccentricity value.
Above-mentioned motor driving part 30 will make above-mentioned motor drive with lower rotation number according to the control signal of above-mentioned microcomputer 10, thereby drive above-mentioned motor according to single load/volume loading condition with different rotation numbers.
Below the as above control method of the washing machine of structure is described:
As shown in Figure 4, at first, the laundry of input laundry stroke, confluent, feedwater kind etc. imposes a condition, and carries out corresponding washing/cleaning/dehydration stroke (S11 step).
Washings in above-mentioned washing stroke finishes back discharge cylinder, and before carrying out the cleaning stroke, for the winding that reduces the washings in the above-mentioned cylinder to greatest extent and heeling condition and the vibration or the noise that produce during the dehydration that causes, washing machine detects (S12, S13 step) to the eccentric state of above-mentioned cylinder.
Wherein, above-mentioned washing machine driven at low speed is used to rotate the motor of above-mentioned cylinder, make above-mentioned motor keep certain speed with certain hour, detect the rotation number pulsation (ripple) that produces in the above-mentioned motor this moment, and utilize the rotation number pulsating quantity of above-mentioned motor to have the characteristic of bigger variation according to the eccentric degree of above-mentioned cylinder, will detect eccentric state according to the amplitude of fluctuation of rotation number.
Above-mentioned washing machine is to detect the eccentricity value of above-mentioned cylinder more than certain number of times, judge whether above-mentioned detected eccentricity value is more than the benchmark eccentricity value, and be whether number of times more than the benchmark eccentricity value judges single load/volume load (S14 step) according to above-mentioned detected eccentricity value.
Wherein, above-mentioned washing machine preferably detects more than 15 times the eccentricity value of above-mentioned cylinder, simultaneously, is benchmark eccentricity value when above at above-mentioned detected eccentricity value, and the benchmark number of times that is judged as single load is preferably more than 14 times.
Wherein, the vibration or the noise that produce when the said reference eccentricity value can be rotated by motor according to above-mentioned cylinder are set, and preferably are that the situation of 70 to 80 scopes is set at the benchmark eccentricity value with detected eccentricity value.
Therefore, because the eccentricity value of the eccentricity value during single load during than the volume load is big, can be that the said reference eccentricity value is judged as single load when above, and be judged as the volume load in that opposite situation is next at detected eccentricity value.
That is, when detected eccentricity value is more than the benchmark eccentricity value, and the above eccentricity value of benchmark eccentricity value will be judged as single load when detecting more than 14 times; When detected eccentricity value for the benchmark eccentricity value of setting below, or the above eccentricity value of benchmark eccentricity value is when detecting below 14 times, will be judged as volume load (S15, S23 step).
Under the above-mentioned situation that is judged as single load, above-mentioned washing machine will rotate above-mentioned cylinder, and carry out dehydrating operations (S16 step) according to the corresponding rotation number of setting of single load.
Wherein, when above-mentioned washing machine is used to rotate the motor of above-mentioned cylinder in driving, under the situation that is judged as single load, if the eccentricity value of above-mentioned detected cylinder when to be benchmark eccentricity value above 85 following, will drive above-mentioned motor with 700 to 900RPM rotary speed.
And, be judged as under the situation of single load,, will above-mentioned motor driven with the low speed below the 700RPM at 85 to 95 o'clock if above-mentioned detected eccentricity value is, thereby prevent vibration and noise that eccentric state causes, and prevent the phenomenon that washing machine sustains damage.
Particularly, when the eccentricity value of single load correspondence is big, above-mentioned motor will be driven with the rotary speed of 600RPM.
After carrying out dehydrating operations, to the internal feed washings of above-mentioned cylinder, and, begin to carry out cleaning operation (S17 step) supplying to certain water level when above in order to carry out cleaning step.
For the wash number of setting according to the user is carried out cleaning operation and wash number is counted, and after above-mentioned cleaning operation finishes, in order to carry out next step, and discharge the washings (S18, S19 step) in the above-mentioned cylinder.
After carrying out drain operation, detect the eccentric state of cylinder again in order to enter into dehydrating operations, at this moment, before carrying out above-mentioned eccentricity detecting operation, the wash number of above-mentioned setting and the wash number of counting are compared, final cleaning operation (S20 step) is arranged thereby judge whether to carry out.
Wherein, the present invention will judge above-mentioned final cleaning whether step after carrying out cleaning operation, but also can judge before carrying out cleaning operation after single load/volume load judgment.
When above-mentioned cleaning step also has residue degree, will detect eccentric state again, and whether judge single load/volume load again (S21 step) according to testing result.
Wherein, when carrying out detecting eccentric state again after initial eccentricity detects, when the load of initial judgement is under the situation of single load, the less execution of number of times when the eccentricity detecting number of times is detected than initial eccentricity.
That is, owing to detect eccentric state again after being judged as single load, thus the eccentricity detecting operation is carried out than 15 number of times still less, particularly, above-mentioned eccentricity detecting operation is preferably carried out more than 5 times.
In the above-mentioned result who carries out eccentricity detecting more than 5 times, when the eccentricity value that detects more than 4 times more than the benchmark eccentricity value, will be judged as single load; When detecting below the benchmark eccentricity value, or when detecting the above eccentricity value of benchmark eccentricity value below 4 times, then be judged as volume load (S22 step).
Be judged as under the situation of single load, will carrying out dehydrating operations, will carry out repeatedly subsequently through cleaning step and also judge the step (S15 to S20 step) of finally whether cleaning again according to the motor rotation number of setting corresponding to single load.
In addition, when initial eccentricity detects, be judged as under the situation of volume load, will carry out dehydrating operations according to the rotation number of setting corresponding to the volume load.At this moment, above-mentioned motor will be set different rotation numbers according to detected eccentricity value, and drive (S24 step).
That is, it is the situation below 45,45 to 55 situation, 3 stages such as situation of 55 to 60 that the rotation number of above-mentioned motor is divided into eccentricity value, and each drives with 1000RPM, 700 to 800RPM, 700 rotary speeies to 600RPM in above-mentioned 3 stages.
Behind the dehydrating operations of carrying out above-mentioned volume load correspondence, the operation of feeding water in order to carry out cleaning step, after washings reach certain water level, identical with the above-mentioned situation that is judged as single load, to carry out above-mentioned cleaning step and wash number will be counted (S25, S26 step).
After carrying out cleaning operation, discharge the washings in the above-mentioned cylinder, and the wash number of counting and the wash number of user's setting are compared, thereby judge whether to be final cleaning operation (S27, S28 step).
Result in above-mentioned final cleaning judgement, when also leaving remaining cleaning step number of times, to detect eccentric state again, at this moment, above-mentioned eccentricity detecting number of times is identical with initial eccentricity detecting number of times, and the judgment standard of single load/volume load is during also with initial eccentricity detecting identical (S13 step).
Promptly, when in the cleaning step of volume load correspondence, carrying out feedwater/cleaning/dehydrating operations, detect in order to carry out dehydrating operations under the situation of eccentric state, eccentric state will be detected more than 15 times, and judge whether to more than the benchmark eccentricity value of setting, when the eccentricity value that detects more than 14 times more than the benchmark eccentricity value, will be judged as single load; When the eccentricity value that detects below the benchmark eccentricity value or below 14 times more than the benchmark eccentricity value, then be judged as the volume load, and carry out corresponding step (S14 step).
Result in that whether judgement finally cleans when being judged as final cleaning step, will carry out dehydrating operations according to the load of prejudging, and execution is dewatered stroke and is carried out final dewatering operation (S29 step) after cleaning stroke.
Thus, different eccentricity detecting operations is carried out in eccentricity detecting number of times in the time of will be according to initial decision and the load of judging, thereby enters into the required time of dehydration after can shortening drain operation from washing/cleaning stroke.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
The effect of invention
Washing machine of the present invention and control method thereof, by setting different eccentricity detecting number of times, and carry out different subsequently dehydrations and eccentric detection step again according to the load of judging, the dehydration that can shorten after the drain operation enters the required time, thereby can reduce the whole washing time of above-mentioned washing machine, so can reduce corresponding energy consumption, and improve energy efficiency to a great extent.
Claims (7)
1, a kind of control method of washing machine is characterized in that, it includes following several steps:
The 1st step when discharging the washings in the cylinder behind washing stroke, detects the offset of the washings of above-mentioned cylinder inside, and whether judges single load/volume load;
The 2nd step behind the load capacity execution dehydrating operations of judging, is then carried out feedwater/cleaning/drain operation;
The 3rd step, when in order to carry out dehydrating operations offset being detected again, whether the single load/volume load of the load capacity that goes out according to initial decision to be, sets different offsets and detects number of times, and load capacity is judged again;
The 4th step after carrying out final cleaning operation, is carried out the final dewatering operation of dehydration stroke correspondence.
2, the control method of washing machine according to claim 1 is characterized in that, above-mentioned the 1st step includes:
In the 1st stage, detect the eccentricity value of washings more than 15 times, and judge whether above-mentioned detected each eccentricity value is more than the benchmark eccentricity value;
In the 2nd stage, the result who judges in above-mentioned the 1st stage when the eccentricity value more than the benchmark eccentricity value is certain number of times when above, will be judged as single load; The result who judges in above-mentioned the 1st stage when the eccentricity value more than the benchmark eccentricity value is certain number of times when following, then is judged as the volume load.
3, the control method of washing machine according to claim 2 is characterized in that,
In above-mentioned the 2nd stage, when the eccentricity value that detects more than 14 times more than the benchmark eccentricity value, will be judged as single load.
4, the control method of washing machine according to claim 1 is characterized in that, above-mentioned the 2nd step includes:
In the 3rd stage, carry out dehydrating operations according to the load capacity of judging, and carry out feedwater/cleaning/drain operation;
In the 4th stage, when whenever carrying out cleaning operation, wash number is counted, and judged whether that execution has final cleaning step.
5, the control method of washing machine according to claim 1 is characterized in that, above-mentioned the 3rd step includes:
The 5th stage was under the situation of single load in the judged result of original negative carrying capacity, repeated multiple times is detected offset, and detected eccentricity value and benchmark eccentricity value are compared judgement;
In the 6th stage, the result who judges in above-mentioned the 5th stage when the eccentricity value that detects more than certain number of times more than the benchmark eccentricity value, will be judged as single load; Under the reverse situation, then be judged as the volume load, and carry out above-mentioned the 2nd step according to the situation of each load capacity.
6, the control method of washing machine according to claim 5 is characterized in that,
In above-mentioned the 6th stage,, and when the eccentricity value that detects more than 5 times more than the benchmark eccentricity value, will be judged as single load with the repeated detection offset.
7, the control method of washing machine according to claim 5 is characterized in that,
In above-mentioned the 3rd step, be under the situation of volume load when the load capacity of initially judging, will judge load capacity again according to the original negative carrying capacity determination methods in above-mentioned the 2nd stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014189 CN1888218A (en) | 2005-06-29 | 2005-06-29 | Control method for washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014189 CN1888218A (en) | 2005-06-29 | 2005-06-29 | Control method for washing machine |
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| CN1888218A true CN1888218A (en) | 2007-01-03 |
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| CN 200510014189 Pending CN1888218A (en) | 2005-06-29 | 2005-06-29 | Control method for washing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113556B (en) * | 2006-07-27 | 2011-07-06 | Lg电子株式会社 | Washing machine and operating method thereof |
| CN110965260A (en) * | 2019-12-31 | 2020-04-07 | 合肥海尔滚筒洗衣机有限公司 | Dehydration control method for washing equipment |
| CN111058228A (en) * | 2019-12-31 | 2020-04-24 | 合肥海尔滚筒洗衣机有限公司 | Dehydration control method for washing equipment |
| CN112481931A (en) * | 2020-11-28 | 2021-03-12 | 珠海格力电器股份有限公司 | Multi-load and material uniformity judgment method and device for washing machine and washing machine |
-
2005
- 2005-06-29 CN CN 200510014189 patent/CN1888218A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113556B (en) * | 2006-07-27 | 2011-07-06 | Lg电子株式会社 | Washing machine and operating method thereof |
| CN110965260A (en) * | 2019-12-31 | 2020-04-07 | 合肥海尔滚筒洗衣机有限公司 | Dehydration control method for washing equipment |
| CN111058228A (en) * | 2019-12-31 | 2020-04-24 | 合肥海尔滚筒洗衣机有限公司 | Dehydration control method for washing equipment |
| CN111058228B (en) * | 2019-12-31 | 2024-06-14 | 合肥海尔滚筒洗衣机有限公司 | Dewatering control method for washing equipment |
| CN110965260B (en) * | 2019-12-31 | 2024-06-18 | 合肥海尔滚筒洗衣机有限公司 | Dewatering control method for washing equipment |
| CN112481931A (en) * | 2020-11-28 | 2021-03-12 | 珠海格力电器股份有限公司 | Multi-load and material uniformity judgment method and device for washing machine and washing machine |
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