CN113494011A - Clothes treatment device and control method thereof - Google Patents
Clothes treatment device and control method thereof Download PDFInfo
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- CN113494011A CN113494011A CN202010268709.5A CN202010268709A CN113494011A CN 113494011 A CN113494011 A CN 113494011A CN 202010268709 A CN202010268709 A CN 202010268709A CN 113494011 A CN113494011 A CN 113494011A
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Abstract
The present invention provides a clothes treatment apparatus and a control method thereof, comprising: s1, starting a clothes drying process; s2, the central processing unit acquires the water level value A in the condensate water tank in real time; s3, the central processing unit judges whether A is smaller than a preset water level A0, if yes, the step S4 is carried out, and if not, the step S5 is carried out; s4, the central processing unit controls the water pump to intermittently pump water; s5, sending prompt information to the user; according to the invention, by controlling the intermittent operation of the water pump, the air pumping time and the air volume can be reduced simultaneously, and the occurrence of a water-vapor mixing phenomenon is effectively reduced, so that the noise generated by the water-vapor mixing phenomenon can be effectively controlled in the water pumping process of the water pump, and the water pump can prompt in time when the water level is abnormal.
Description
Technical Field
The present invention relates to a laundry treating apparatus and a control method thereof.
Background
An existing independent condensing drum dryer includes a heat pump system, a condensate tank for containing water condensed during a laundry drying process, and a water pump for pumping the water in the condensate tank to an outside of the dryer or a water storage box of the dryer.
In the prior art, because the clothes dryer can continuously produce condensed water in the operation process, when the water level in the condensed water tank reaches a preset value or the clothes dryer operates to a rated time, the water pump is started to continuously pump water for a long time. In the process, the water pump is in a continuous operation state, continuous negative pressure generated by continuous water pumping for a long time easily sucks air to cause water and vapor mixing, so that high noise is generated, and the user experience is poor.
Disclosure of Invention
In view of the above, the present invention is directed to a clothes treating apparatus and a control method thereof, so as to solve the problem that a water pump of a clothes dryer in the prior art is likely to cause water-vapor mixing and generate noise during water pumping.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a control method of a laundry treating apparatus, comprising: s1, starting a clothes drying process; s2, the central processing unit acquires the water level value A in the condensate water tank in real time; s3, the central processing unit judges whether A is smaller than a preset water level A0, if yes, the step S4 is carried out, and if not, the step S5 is carried out; s4, the central processing unit controls the water pump to intermittently pump water; and S5, sending prompt information to the user. Thereby through control water pump intermittent type formula operation, can reduce the time of suction air and the air quantity of suction simultaneously, can reduce the emergence of steam mixing phenomenon effectively for in the water pump process of drawing water, because of the produced noise of steam mixing phenomenon can be controlled effectively, and can in time remind when the water level is unusual
Further, step S4 includes: s41, the central processing unit judges whether the timing duration is greater than the preset duration, if yes, the step S42 is carried out, and if not, the step S41 is returned; s42, the central processing unit controls the water pump to start; s43, the central processing unit judges whether the starting time t of the water pump is greater than a first rated time t 1; if yes, go to step S44; otherwise, returning to step S43; s44, the CPU controls the water pump to stop; s45, the central processing unit judges whether the shutdown time T of the water pump is greater than a second rated time T2; if yes, step S46 is performed by adding 1 to the first count value; otherwise, returning to step S45; s46, the CPU determines whether the first count value is greater than the first preset value M, if yes, the process returns to step S2, and if not, the process returns to step S42. Wherein t1 is 10-20s, t2 is 5-15s, and M is 2-5. Thereby when the water level is normal, open or close through the reasonable control water pump at the in-process of drawing water, make the water pump intermittent type formula operation, can reduce the time of suction air when drawing water, simultaneously after drawing water and stopping, the condensate tank can be refluxed to the water that is not drawn away in the drinking-water pipe, when drawing water next time, this part of water can directly be inhaled to the water pump, reduce the space of suction air, can reduce the volume of suction air promptly, thereby can reduce the time of suction air and the air quantity of suction simultaneously, can reduce the emergence of steam mixing phenomenon effectively, make in the water pump process of drawing water, the noise that produces because of steam mixing phenomenon can be controlled effectively.
Further, step S5 includes: s51, the central processing unit controls the water pump to start; s52, the central processing unit judges whether the starting time t of the water pump is greater than a third rated time t 3; if yes, go to step S53; otherwise, returning to step S52; s53, the CPU controls the water pump to stop; s54, the central processing unit judges whether the shutdown time T of the water pump is greater than a fourth rated time T4; if yes, step S55 is performed by adding 1 to the second count value; otherwise, returning to step S54; s55, the central processing unit judges whether the second count value is larger than a second preset value N, if yes, the step S56 is carried out, and if not, the step S3 is returned; and S56, stopping the clothes treatment device and reminding a user to clean the water box. Wherein t3 is 10-20s, t4 is 5-15s, and N is 2-5. Therefore, after the water level value A in the condensed water tank exceeds the preset water level A0, intermittent water pumping of the water pump is continued, on one hand, the situation that the water level sensor is mistakenly touched to cause signal errors is prevented, on the other hand, after water pumping, if the A still exceeds the preset water level A0, the water box is possibly filled, the clothes treatment device is stopped in time, the phenomenon that the condensed water overflows the condensed water tank due to too much condensed water is avoided, and meanwhile, a user is reminded to clear the water box.
Further, after the step S56, the step S5 includes: s57, the CPU judges whether the user restarts the clothes processing device, if yes, the third counting value is added with 1, step S58 is carried out, if no, the step S57 is returned; s58, the CPU judges whether the third counting value is larger than the third preset value K, if yes, the clothes processing device stops, and sends out a water full alarm to the user, if not, the step returns to the step S51. Wherein K is 1-3. Therefore, by judging the restarting times of the clothes treatment device, the safety protection can be effectively carried out on the restarting condition of the clothes treatment device which is stopped in the step S56 directly aiming at the condition that a user does not pay attention to the water quantity of the water box because of carelessness, and the overflow of condensed water is avoided; in addition, if the user cleans the water box, and if a water full alarm exists, the fault of the water level sensor or other parts in the clothes treatment device can be indicated, so that the user can conveniently check the fault.
A clothes treatment device adopts the control method of the clothes treatment device.
Furthermore, the clothes treatment device comprises a heat pump system, a condensate water tank, a water pump and a central processing unit, wherein the water pump is communicated with the condensate water tank and used for pumping water in the condensate water tank to the outside of the clothes treatment device or a water storage box of the clothes treatment device, and the central processing unit is connected with the water pump and used for controlling the working state of the water pump.
Furthermore, a water level sensor is arranged in the condensate water tank, and the central processing unit is connected with the water level sensor and used for acquiring water level information in the condensate water tank in real time.
Compared with the prior art, the clothes treatment device and the control method thereof have the following advantages:
according to the clothes treatment device and the control method thereof, the water pump is enabled to run intermittently by reasonably controlling the opening or closing of the water pump in the water pumping process, the time for pumping air can be shortened in the water pumping process, meanwhile, after the water pumping is stopped, water which is not pumped in the water pumping pipe flows back to the condensate water tank, and the water pump can directly suck the water in the next water pumping process, so that the space for sucking air is reduced, namely the amount of sucked air can be reduced; therefore, the invention can simultaneously reduce the time for pumping air and the amount of air pumped by controlling the intermittent operation of the water pump, and can effectively reduce the occurrence of the water-vapor mixing phenomenon, so that the noise generated by the water-vapor mixing phenomenon can be effectively controlled in the water pumping process of the water pump, and the water pump can timely remind people of abnormal water level.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a control method of a laundry treating apparatus according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating the step S4 in FIG. 1 according to the present invention;
FIG. 3 is a flowchart illustrating step S5 of FIG. 1 according to the present invention.
Detailed Description
The inventive concepts of the present disclosure will be described hereinafter using terms commonly employed by those skilled in the art to convey the substance of their work to others skilled in the art. These inventive concepts may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
In the prior art, the clothes dryer can continuously generate condensed water in the operation process, and when the water level in the condensed water tank reaches a preset value or the clothes dryer operates to a rated time, the water pump is started to continuously pump water for a long time. In the process, the water pump is in a continuous operation state, continuous negative pressure generated by continuous water pumping for a long time easily sucks air to cause water and vapor mixing, so that high noise is generated, and the user experience is poor.
In order to solve the problem that the clothes drying machine in the prior art is easy to cause water-vapor mixing and generate noise in the water discharging process, the embodiment provides a clothes treatment device and a control method thereof, wherein the clothes treatment device is a clothes dryer or a washing and drying integrated machine, the clothes treatment device comprises a heat pump system, a condensed water tank, a water pump and a central processing unit, the water pump is communicated with the condensed water tank and used for pumping water in the condensed water tank to the outside of the clothes treatment device or a water storage box of the clothes treatment device, and the central processing unit is connected with the water pump and used for controlling the working state of the water pump; the central processing unit comprises a timing unit and a counting unit which are respectively used for acquiring time length information and frequency information.
The control method comprises the following steps:
b01, starting a clothes drying process;
b02, the central processing unit controls the water pump to intermittently pump water.
Wherein the intermittent water pumping process is as follows:
b2, the central processing unit starts a timing unit;
b3, the central processing unit judges whether the timing duration is greater than the preset duration, if yes, the step B4 is carried out, and if not, the step B3 is returned;
b4, the central processing unit controls the water pump to start;
b5, the central processing unit judges whether the starting time t of the water pump is greater than a first rated time t 1; if yes, go to step B6; if not, returning to the step B5;
b6, the CPU controls the water pump to stop;
b7, the central processing unit judges whether the shutdown time length T of the water pump is greater than a second rated time length T2; if yes, the first count value is added by 1, and the step B8 is carried out; if not, returning to the step B7;
b8, the central processing unit judges whether the first count value is larger than the first preset value M, if yes, the step B2 is returned, and if not, the step B4 is returned.
Wherein t1 is 10-20s, t2 is 5-15s, and M is 2-5.
The embodiment provides a clothes treatment device and a control method thereof, wherein the water pump is enabled to run intermittently by reasonably controlling the on or off of the water pump in the water pumping process, the time for pumping air can be shortened in the water pumping process, meanwhile, after the water pumping is stopped, water which is not pumped away in a water pumping pipe flows back to a condensate water tank, and when the water is pumped next time, the water pump can directly suck the water, so that the space for sucking the air is reduced, namely, the amount of sucked air can be reduced; thereby this embodiment is through control water pump intermittent type formula operation, can reduce the time of suction air and the air quantity of suction simultaneously, can reduce the emergence of steam mixing phenomenon effectively for in the water pump water pumping process, because of the produced noise of steam mixing phenomenon can be controlled effectively.
Example 2
In embodiment 1, for the clothes treatment apparatus having the water storage box, the condensed water is not directly discharged, but pumped into the water storage box, and if the water storage box is filled, the water level in the condensed water tank will rise all the time, which affects the water pumping process; or the water level in the condensate water tank continuously rises due to special conditions such as related part faults and the like, and the water pumping is influenced. Therefore, in consideration of the possible problems in the practical application process, the present embodiment further improves on the basis of embodiment 1, specifically as follows:
the water level sensor is arranged in the condensate water tank, and the central processing unit is connected with the water level sensor and used for acquiring water level information in the condensate water tank in real time.
As shown in fig. 1-2, the control method comprises:
s1, starting a clothes drying process;
s2, the central processing unit acquires the water level value A in the condensate water tank in real time;
s3, the central processing unit judges whether A is smaller than a preset water level A0, if yes, the step S4 is carried out, and if not, the step S5 is carried out;
s4, the central processing unit controls the water pump to intermittently pump water;
and S5, sending prompt information to the user.
The prompt message can be a message for reminding a user of cleaning the water box or a message for reminding the user of the fault of each component.
Wherein, for step S4, the method includes:
s41, the central processing unit judges whether the timing duration is greater than the preset duration, if yes, the step S42 is carried out, and if not, the step S41 is returned;
s42, the central processing unit controls the water pump to start;
s43, the central processing unit judges whether the starting time t of the water pump is greater than a first rated time t 1; if yes, go to step S44; otherwise, returning to step S43;
s44, the CPU controls the water pump to stop;
s45, the central processing unit judges whether the shutdown time T of the water pump is greater than a second rated time T2; if yes, step S46 is performed by adding 1 to the first count value; otherwise, returning to step S45;
s46, the CPU determines whether the first count value is greater than the first preset value M, if yes, the process returns to step S2, and if not, the process returns to step S42.
Wherein t1 is 10-20s, t2 is 5-15s, and M is 2-5.
Therefore, when the water level is normal, the intermittent operation of the water pump is controlled, the time for pumping air and the amount of air pumped can be reduced simultaneously, the water-vapor mixing phenomenon can be effectively reduced, and the noise generated by the water-vapor mixing phenomenon can be effectively controlled in the water pumping process of the water pump; when the water level is abnormal, the user can be reminded in time to avoid the excessive condensate water from overflowing the condensate water tank.
Example 3
For the clothes treating apparatus with a water storage box, in this embodiment, based on embodiment 2, when the water level value a in the condensed water tank exceeds the preset water level a0, a specific implementation is proposed for step S5:
step S5 includes:
s51, the central processing unit controls the water pump to start;
s52, the central processing unit judges whether the starting time t of the water pump is greater than a third rated time t 3; if yes, go to step S53; otherwise, returning to step S52;
s53, the CPU controls the water pump to stop;
s54, the central processing unit judges whether the shutdown time T of the water pump is greater than a fourth rated time T4; if yes, step S55 is performed by adding 1 to the second count value; otherwise, returning to step S54;
s55, the central processing unit judges whether the second count value is larger than a second preset value N, if yes, the step S56 is carried out, and if not, the step S3 is returned;
and S56, stopping the clothes treatment device and reminding a user to clean the water box.
Wherein t3 is 10-20s, t4 is 5-15s, and N is 2-5.
Therefore, according to the scheme provided by the embodiment, after the water level value A in the condensed water tank exceeds the preset water level A0, intermittent water pumping of the water pump is continued, on one hand, the situation that the water level sensor is mistakenly touched to cause signal errors is prevented, on the other hand, after water pumping, if the A still exceeds the preset water level A0, the water box is possibly filled, the clothes treatment device is stopped in time, the condensed water is prevented from overflowing the condensed water tank due to too much condensed water, and meanwhile, a user is reminded to clean the water box.
Example 4
With the solution of embodiment 3, there is a possibility that the user may not notice the water amount of the water tank carelessly, and directly restart the laundry treating apparatus that has been stopped in step S246, or restart the laundry treating apparatus after cleaning the water tank; in this case, the present embodiment complements step S5 on the basis of embodiment 3, that is, after step S56, step S5 further includes:
s57, the CPU judges whether the user restarts the clothes processing device, if yes, the third counting value is added with 1, step S58 is carried out, if no, the step S57 is returned;
s58, the CPU judges whether the third counting value is larger than the third preset value K, if yes, the clothes processing device stops, and sends out a water full alarm to the user, if not, the step returns to the step S51.
Wherein K is 1-3; the water full alarm can be one or more of conventional sound and light alarms such as light flashing, voice prompt, buzzing sound and the like.
Therefore, the present embodiment can effectively perform safety protection for the case that the user does not notice the water amount in the water box because of carelessness by judging the number of times of restarting the laundry treatment device, and avoid the overflow of the condensed water, when the laundry treatment device which has been stopped in step S56 is restarted; in addition, if the user cleans the water box, and if a water full alarm exists, the fault of the water level sensor or other parts in the clothes treatment device can be indicated, so that the user can conveniently check the fault.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A control method of a laundry treating apparatus, comprising:
s1, starting a clothes drying process;
s2, the central processing unit acquires the water level value A in the condensate water tank in real time;
s3, the central processing unit judges whether A is smaller than a preset water level A0, if yes, the step S4 is carried out, and if not, the step S5 is carried out;
s4, the central processing unit controls the water pump to intermittently pump water;
and S5, sending prompt information to the user.
2. The control method of a laundry treating apparatus according to claim 1, wherein the step S4 includes:
s41, the central processing unit judges whether the timing duration is greater than the preset duration, if yes, the step S42 is carried out, and if not, the step S41 is returned;
s42, the central processing unit controls the water pump to start;
s43, the central processing unit judges whether the starting time t of the water pump is greater than a first rated time t 1; if yes, go to step S44; otherwise, returning to step S43;
s44, the CPU controls the water pump to stop;
s45, the central processing unit judges whether the shutdown time T of the water pump is greater than a second rated time T2; if yes, step S46 is performed by adding 1 to the first count value; otherwise, returning to step S45;
s46, the CPU determines whether the first count value is greater than the first preset value M, if yes, the process returns to step S2, and if not, the process returns to step S42.
3. The control method of a laundry treating apparatus according to claim 2, wherein t1 is 10-20s, t2 is 5-15s, and M is 2-5.
4. The control method of a laundry treating apparatus according to claim 1, wherein the step S5 includes:
s51, the central processing unit controls the water pump to start;
s52, the central processing unit judges whether the starting time t of the water pump is greater than a third rated time t 3; if yes, go to step S53; otherwise, returning to step S52;
s53, the CPU controls the water pump to stop;
s54, the central processing unit judges whether the shutdown time T of the water pump is greater than a fourth rated time T4; if yes, step S55 is performed by adding 1 to the second count value; otherwise, returning to step S54;
s55, the central processing unit judges whether the second count value is larger than a second preset value N, if yes, the step S56 is carried out, and if not, the step S3 is returned;
and S56, stopping the clothes treatment device and reminding a user to clean the water box.
5. The control method of a laundry treating apparatus according to claim 4, wherein t3 is 10-20s, t4 is 5-15s, and N is 2-5.
6. The control method of a laundry treating apparatus according to claim 4, wherein after the step S56, the step S5 includes:
s57, the CPU judges whether the user restarts the clothes processing device, if yes, the third counting value is added with 1, step S58 is carried out, if no, the step S57 is returned;
s58, the CPU judges whether the third counting value is larger than the third preset value K, if yes, the clothes processing device stops, and sends out a water full alarm to the user, if not, the step returns to the step S51.
7. The control method of a laundry treating apparatus according to claim 6, wherein K is 1-3.
8. A laundry treating apparatus, characterized in that the laundry treating apparatus employs a control method of a laundry treating apparatus according to any one of claims 1 to 7.
9. A laundry treating apparatus according to claim 8, comprising a heat pump system, a condensed water tank, a water pump, and a CPU, wherein the water pump is connected to the condensed water tank for pumping water from the condensed water tank to an outside of the laundry treating apparatus or a water storage box of the laundry treating apparatus, and the CPU is connected to the water pump for controlling an operation state of the water pump.
10. A clothes treating apparatus as claimed in claim 9, wherein a water level sensor is provided in the condensate tank, and the cpu is connected to the water level sensor for acquiring water level information of the condensate tank in real time.
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| CN202010268709.5A CN113494011B (en) | 2020-04-08 | 2020-04-08 | Clothes treatment device and control method thereof |
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| CN202010268709.5A CN113494011B (en) | 2020-04-08 | 2020-04-08 | Clothes treatment device and control method thereof |
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| CN116219687A (en) * | 2021-12-06 | 2023-06-06 | 重庆海尔滚筒洗衣机有限公司 | Clothes dryer and drainage control method thereof |
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| CN113494011B (en) | 2023-06-23 |
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