CN110714297B - Washing machine dehydration mode control method, computer readable storage medium and washing machine - Google Patents
Washing machine dehydration mode control method, computer readable storage medium and washing machine Download PDFInfo
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- CN110714297B CN110714297B CN201910822045.XA CN201910822045A CN110714297B CN 110714297 B CN110714297 B CN 110714297B CN 201910822045 A CN201910822045 A CN 201910822045A CN 110714297 B CN110714297 B CN 110714297B
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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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/087—Water level measuring or regulating devices
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Abstract
The invention provides a washing machine dehydration mode control method, a computer readable storage medium and a washing machine. The invention judges the stability of the washing machine during dehydration according to the water level change amplitude detected by the water level sensor, greatly reduces the probability of cylinder collision in the dehydration mode of the washing machine, also reduces the noise of the washing machine during dehydration due to the cylinder collision, and reduces the trouble for users.
Description
Technical Field
The invention relates to the technical field of washing machines, in particular to a washing machine dehydration mode control method, a computer readable storage medium and a washing machine.
Background
The prior drum washing machine has the problems that the phenomenon of drum collision and displacement can occur when the rotating speed is increased during the dewatering, so that the clothes are not dewatered successfully, and the drum collision is also unfavorable for the washing machine. The prior art also provides related technical schemes aiming at the problem of collision of the drum washing machine, but some technical problems which cannot be solved exist. The method for detecting the eccentricity of the washing machine disclosed in application number CN201410179338.8 discloses that an acceleration sensor is used to detect the corresponding inclination angle of the outer tub, and the detected inclination angle is compared with a preset angle value, if the detected inclination angle is larger than the preset value, the motor performs eccentricity processing for a period of time, otherwise, the motor performs the next step; the judgment method is carried out in the washing and rinsing stages, but the eccentric change can not be ensured when the speed is increased for dewatering, so that the probability of barrel collision is generated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention adds an auxiliary factor for judging the vibration of the washing machine on the basis of the washing machine, thereby realizing the stable operation of the washing machine during the dehydration and avoiding the phenomenon of cylinder collision.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water level sensor is used for detecting a water level frequency value in a washing machine barrel, and the rising speed dehydration or the falling speed dehydration is judged and compared according to the difference value between the detected water level frequency value and the previous value. The stability of the washing machine during dehydration is judged according to the water level change amplitude detected by the water level sensor, so that the probability of cylinder collision in the dehydration mode of the washing machine is greatly reduced, the noise of the washing machine during dehydration caused by cylinder collision is reduced, and the trouble is reduced for users.
Further, the step of determining and comparing the selected ascending rotation speed for dewatering according to the difference between the detected water level frequency value and the detected water level frequency value comprises the step of determining that the absolute value of the difference between the detected previous water level frequency value SW3 and the detected next water level frequency value SW4 is less than a value, namely the absolute value of the difference is less than a
If < a, increasing the rotation speed to dewater,
. If it is
If the water level frequency value is less than a, the washing machine can stably continue to increase the speed for dewatering until the last dewatering is successful, and the condition that the washing machine collides with the drum during each speed increase in the dewatering process can be ensured by detecting the water level frequency values of the front and the back in real time.
Further, the frequency of the water level is detected according to the detected water levelThe step of dewatering by comparing the difference between the previous and the next water level frequency values includes that when the absolute value of the difference between the detected previous water level frequency value SW3 and the detected next water level frequency value SW4 is greater than or equal to the value a, the difference is judged and selected
Then the rotating speed is reduced to carry out dehydration,
. If it is
If the vibration is large in the process of increasing the speed of the washing machine, the washing machine is not required to increase the speed, but is required to decrease the speed to the set speed, the load is readjusted to perform the next dehydration attempt, the continuous acceleration of dehydration under the condition of large vibration is avoided, and the probability of cylinder collision is greatly reduced.
Further, when the washing machine enters a dehydration stage, the drainage pump is controlled to drain water in the drum, the water level sensor detects the water level frequency value SW1 of the empty drum after drainage, and when the water level sensor detects the real-time water level frequency value SW
SW1, system control stops draining. When the water is drained, the drum can not be completely drained, which can affect the dewatering of the washing machine, and whether to control the drainage pump to drain water or not is selected by measuring the digital frequency value of the empty drum and comparing the real-time water level frequency value with the digital frequency value, when SW
SW1, which shows that the real-time water level is lower than the empty water level, no water drainage is needed.
Further, when the real-time water level frequency value SW detected by the water level sensor
SW1, the system controls drain pump drainage. When SW
SW1, the real-time water level is significantly higher than the empty water level, the drainage pump needs to be turned on to drain water until the real-time water level is lower than the empty water level.
Further, after the washing machine is dewatered by increasing the rotating speed, the real-time water level frequency value SW detected by the water level sensor
And SW2, controlling the drainage pump to be opened for draining, wherein SW2 is a preset water level frequency value and shows that the water level in the cylinder just reaches the lower surface of the inner cylinder. When the washing machine is used for dewatering at the rotating speed rising, water in the load can be thrown out along with the rising of the rotating speed, a certain amount of water can exist between the inner barrel and the outer barrel slowly, and when SW is used, water is thrown out along with the rising of the rotating speed
SW2, which shows that the real-time water level exceeds the lower surface of the inner drum, can affect the rotation of the inner drum, and has great friction, the drainage pump needs to be started for drainage.
Further, a real-time water level frequency value SW detected by the water level sensor
And SW2, controlling the drainage pump to close and stopping drainage. When SW
SW2 shows that the real-time water level does not exceed the lower surface of the inner cylinder, and the water level does not influence the inner cylinder when the inner cylinder rotates, so that the water does not need to be drained at this time, and the original state is maintained.
Further, after the washing machine is spin-dried at the increased rotation speed, when the real-time water level frequency value SW3 detected by the water level sensor has small fluctuation in the spin-drying time, i.e., | SW3-SW | < P, it is determined that spin-drying has not been performed at the rotation speed, SW represents the water level frequency value before the increased rotation speed, P represents a preset value,
. Is generally described inMost of the water contained in the load can be drained at low rotation speed, and a small part of the residual water can be dewatered only by raising the rotation speed to high rotation speed. According to the principle, the water level detection value of the water level sensor can be used for judging whether the detected water level frequency value SW3 fluctuates little in the dewatering time, namely | SW3-SW | is less than or equal to P, which indicates that most of the water in the clothes is thrown out, and the water cannot be dewatered if the clothes are operated at the rotating speed, so that the eccentricity judgment of the next stage is needed to judge whether the speed is increased.
A computer-readable storage medium for storing a computer program that, when invoked by a processor, implements a washing machine spin mode control method as claimed in any one of the above.
A washing machine comprising a processor and a memory for storing a computer program which, when invoked by the processor, implements a washing machine spin mode control method as claimed in any preceding claim.
The method for controlling the dehydration mode of the washing machine has the beneficial effect that.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of the present invention.
Example 1: a control method for dewatering mode of washing machine.
A control method for a dehydration mode of a washing machine comprises the following specific steps:
firstly, when the washing machine enters a dehydration stage, the washing machine drains water in the barrel, a part of water quantity still exists in the load in the barrel, at the moment, the drainage pump is closed, at the moment, the water level sensor correspondingly detects a water level frequency value SW1 (equivalent to an empty barrel water level), then the washing machine starts to increase the rotating speed to a set value V1rmp/min for eccentric judgment, the time of t1 seconds is maintained, water in the corresponding load is thrown out along with the increase of the rotating speed, and a certain amount of water exists between the inner barrel and the outer barrel slowly. The water level sensor detects the water level in real time, if the water level frequency value SW is less than or equal to SW2 (the set water level frequency value), the water amount between the inner and outer barrels of the washing machine is too much, even the water level is higher than the bottom of the inner barrel possibly, so that the rotation of the washing machine is influenced, and at the moment, the drainage pump is opened to drain water; when the water level frequency value SW is larger than SW2, the drainage pump is closed and the drainage is stopped; this is repeated.
Generally, most of the water contained in the load can be drained at a low rotation speed, and a small part of the residual water needs to be increased to a high rotation speed for dehydration. According to the principle, the water level detection value of the water level sensor can be used for judging that when the detected water level frequency value SW3 has small fluctuation within the time t2 (I SW3-SW | is less than or equal to 10), the fact that most of water in the clothes is thrown out is proved, if the washing machine is operated at the rotating speed, water cannot be removed, at the moment, the acceleration of the washing machine is subjected to eccentricity judgment of the next stage, and due to the fact that the variation factor of the washing machine in the rotating process is large, eccentricity detection is inaccurate, and therefore the washing machine is likely to have a rotating drum and shift when the rotating speed is increased to a high rotating speed; at this time, the frequency value detected by the water level sensor needs to be used for auxiliary judgment. If the difference between the water level frequency value SW4 and the absolute value of the previously detected water level frequency value SW3, namely SW4-SW 3-is not less than 100, it indicates that the washing machine has large vibration during the speed-up process, the speed-up process should not be performed, and the speed should be decreased to the set value, and the load is readjusted to perform the next dehydration attempt; otherwise, if SW4-SW 3-100, it indicates that the washing machine is stable and can continue to spin at the increased speed until the last spin cycle is completed
Example 2: a computer readable storage medium.
A computer-readable storage medium for storing a computer program for implementing the dehydration mode control method of a washing machine according to embodiment 1 when the computer program is called by a processor.
Example 3: a washing machine.
A washing machine comprising a processor and a memory for storing a computer program that, when invoked by the processor, implements the washing machine spin pattern control method of embodiment 1.
Example 4: a drum washing machine.
A drum washing machine comprising a processor and a memory for storing a computer program that, when invoked by the processor, implements the washing machine spin mode control method of embodiment 1.
The above description is only for the preferred embodiment of the present invention, but the present invention should not be limited to the embodiment and the disclosure of the drawings, and therefore, all equivalent or modifications that do not depart from the spirit of the present invention are intended to fall within the scope of the present invention.
Claims (8)
1. A washing machine dehydration mode control method is characterized in that a water level frequency value in a washing machine cylinder is detected through a water level sensor, and rising speed dehydration or falling speed dehydration is judged and selected according to the difference value between the detected water level frequency value and the detected water level frequency value;
the step of dewatering by judging and comparing the selected rising rotating speed according to the difference value between the detected water level frequency value and the detected water level frequency value is specifically that when the absolute value of the difference value between the detected previous water level frequency value SW3 and the detected next water level frequency value SW4 is less than a value, namely | SW4-SW3| is less than a, the rising rotating speed is selected for dewatering, and a is more than or equal to 100 and less than or equal to 300;
the step of judging, comparing and selecting the reduced rotation speed for dehydration according to the front and back difference values of the detected water level frequency values specifically comprises the following steps: when the absolute value of the difference value between the detected previous water level frequency value SW3 and the detected next water level frequency value SW4 is greater than or equal to the value a, namely | SW4-SW3| is greater than or equal to a, the rotating speed is reduced to dehydrate, and a is greater than or equal to 100 and less than or equal to 300.
2. The dehydration mode control method of a washing machine according to claim 1, wherein: when the washing machine enters a dehydration stage, the water in the drum is discharged by the drainage pump, the water level frequency value SW1 of the empty drum after drainage is detected by the water level sensor, and when the real-time water level frequency value SW detected by the water level sensor is more than or equal to SW1, the system stops drainage.
3. The dehydration mode control method of a washing machine according to claim 2, wherein: and when the real-time water level frequency value SW detected by the water level sensor is less than or equal to SW1, the system controls the drainage pump to drain water.
4. The dehydration mode control method of a washing machine according to claim 1, wherein: after the washing machine is dewatered by increasing the rotating speed, when the real-time water level frequency value SW detected by the water level sensor is less than or equal to SW2, the drainage pump is controlled to be opened for draining water, and SW2 is a preset water level frequency value and indicates that the water level in the drum just reaches the lower surface of the inner drum.
5. The dehydration mode control method of a washing machine according to claim 4, wherein: and when the real-time water level frequency value SW detected by the water level sensor is larger than or equal to SW2, controlling the drainage pump to be closed and stopping drainage.
6. The dehydration mode control method of a washing machine according to claim 1, wherein: after the washing machine is dewatered by increasing the rotating speed, when the real-time water level frequency value SW3 detected by the water level sensor fluctuates little in the dewatering time, namely | SW3-SW | is less than or equal to P, the washing machine judges that the washing machine cannot be dewatered at the rotating speed, SW represents the water level frequency value before increasing the rotating speed, P represents a preset value, and P is more than or equal to 8 and less than or equal to 12.
7. A computer-readable storage medium storing a computer program, characterized in that: the computer program, when invoked by a processor, implements the washing machine dehydration mode control method of any one of claims 1 to 6.
8. A washing machine comprising a processor and a memory for storing a computer program, characterized in that: the computer program, when invoked by the processor, implements the washing machine dehydration mode control method of any one of claims 1 to 6.
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| CN113718468A (en) * | 2020-05-25 | 2021-11-30 | 青岛海尔洗衣机有限公司 | Control method for washing equipment |
| CN111876964A (en) * | 2020-08-04 | 2020-11-03 | 江苏新安电器股份有限公司 | Dehydration detection device and detection method for washing machine |
| CN112626795B (en) * | 2020-12-09 | 2023-02-03 | 长虹美菱股份有限公司 | Control method for drainage time sequence of drainage pump of washing machine |
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| CN101498094B (en) * | 2009-03-11 | 2011-05-04 | 深圳和而泰智能控制股份有限公司 | Foam detecting method, foam detection device and drum-type washing machine |
| CN105926236B (en) * | 2016-05-19 | 2018-04-20 | 无锡小天鹅股份有限公司 | The dehydration controlling method and washing machine of washing machine |
| CN107794700B (en) * | 2016-09-06 | 2020-05-22 | 苏州三星电子有限公司 | Control method and control system for dewatering vibration of washing machine |
| CN106436154A (en) * | 2016-09-30 | 2017-02-22 | 无锡小天鹅股份有限公司 | Washing machine and dehydration control method and device thereof |
| CN108866931B (en) * | 2017-05-15 | 2021-08-24 | 青岛胶南海尔洗衣机有限公司 | Dehydration control method and system of washing machine and washing machine comprising system |
| CN109487485A (en) * | 2017-09-11 | 2019-03-19 | 无锡小天鹅股份有限公司 | Control method for washing machine, system, computer equipment, readable storage medium storing program for executing and washing machine |
| CN107780131A (en) * | 2017-10-10 | 2018-03-09 | 无锡小天鹅股份有限公司 | Device for clothing processing, control method and equipment for the device for clothing processing |
| CN109811502B (en) * | 2017-11-20 | 2021-07-20 | 无锡小天鹅电器有限公司 | Dehydration control method and system of washing machine and washing machine |
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