CN112252002A - Drying method and device of washing and drying machine - Google Patents
Drying method and device of washing and drying machine Download PDFInfo
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- CN112252002A CN112252002A CN202010998283.9A CN202010998283A CN112252002A CN 112252002 A CN112252002 A CN 112252002A CN 202010998283 A CN202010998283 A CN 202010998283A CN 112252002 A CN112252002 A CN 112252002A
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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
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
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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
- D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
- D06F33/52—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/60—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from the laundry
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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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/52—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to electric heating means, e.g. temperature or voltage
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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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/28—Electric heating
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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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/30—Blowers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a drying method and a drying device of a washing and drying machine. The drying method of the washing and drying machine comprises the following steps: after the temperature rising stage of the washing and drying machine, simultaneously operating a first electric heater and a second electric heater; when the temperature in the washing and drying machine barrel reaches a preset dehydration condition in the temperature rising stage, closing the first electric heater and the second electric heater to enable the washing and drying machine to enter the dehydration stage from the temperature rising stage; and when the dewatering stage of the washing and drying machine is finished, the drying stage is started, the first electric heater is continuously operated, and the second electric heater is discontinuously operated. According to the invention, the first electric heater and the second electric heater are intelligently controlled, so that the temperature in the washing and drying machine barrel is kept within a preset temperature range in the drying stage, thereby ensuring the drying efficiency and preventing the temperature in the barrel from being overhigh.
Description
Technical Field
The invention relates to the technical field of intelligent equipment, in particular to a drying method and device of a washing and drying machine.
Background
In life, users have increasingly strong demands for washing and drying machines integrating a washing function and a drying function. However, the drying function of the existing washing and drying machine often has some problems, resulting in poor user experience. Some washing and drying machines have too low drying temperature in the barrel, so that the drying time is too long, and the drying effect of clothes is not ideal. Some of the dryers have too high a drying temperature in the tub, which not only causes damage to the laundry, but also causes load wear of the dryer itself. How to properly solve the above problems is an urgent issue to be solved in the industry.
Disclosure of Invention
The invention provides a drying method and a drying device of a washing and drying machine, which are used for intelligently controlling the temperature of the drying stage of the washing and drying machine within a preset temperature range, thereby achieving the efficient and safe drying effect.
According to a first aspect of embodiments of the present invention, there is provided a drying method of a washer dryer, including:
after the temperature rising stage of the washing and drying machine, simultaneously operating a first electric heater and a second electric heater;
when the temperature in the washing and drying machine barrel reaches a preset dehydration condition in the temperature rising stage, closing the first electric heater and the second electric heater to enable the washing and drying machine to enter the dehydration stage from the temperature rising stage;
and when the dewatering stage of the washing and drying machine is finished, the drying stage is started, the first electric heater is continuously operated, and the second electric heater is discontinuously operated.
In one embodiment, said turning off the first electric heater and the second electric heater when the temperature in the tub of the washing and drying machine reaches the preset dehydration condition in the warming stage to make the washing and drying machine enter the dehydration stage from the warming stage comprises:
when the temperature in the washing and drying machine barrel reaches a preset first temperature, the first electric heater and the second electric heater are turned off;
after the dehydration stage, the fan is continuously operated for a first preset time.
In one embodiment, said entering the drying stage after the dewatering stage of the washer dryer is finished, continuously operating the first electric heater, and intermittently operating the second electric heater, comprises:
entering a drying stage after the dewatering stage of the washing and drying machine is finished, and simultaneously operating the first electric heater and the second electric heater;
if the temperature in the washing and drying machine barrel exceeds a preset second temperature, the second electric heater is closed, and only the first electric heater is operated;
and if the temperature in the washing and drying machine barrel is lower than the preset first temperature, simultaneously operating the first electric heater and the second electric heater.
In one embodiment, further comprising:
after the washing and drying machine enters a drying stage, when the return air temperature of the washing and drying machine in the drying stage meets a preset temperature reduction condition, the dry cleaning machine enters the temperature reduction stage from the drying stage;
and when the washing and drying machine reaches a preset termination condition, terminating the cooling stage of the washing and drying machine.
In one embodiment, after the washing and drying machine enters the drying stage, when the return air temperature of the washing and drying machine meets a preset cooling condition, the dry cleaning machine enters the cooling stage, which includes:
judging whether the return air temperature of the washing and drying machine is lower than a preset third temperature or not and the duration time reaches a second preset time;
and when the judgment is true, the first electric heater and the second electric heater are closed, and the dry cleaning machine enters a cooling stage.
In one embodiment, the terminating the cool-down phase of the washing and drying machine when the washing and drying machine reaches a preset termination condition includes:
and when the temperature in the washing and drying machine barrel is lower than a preset fourth temperature and the air inlet temperature of the washing and drying machine is lower than a preset fifth temperature, the cooling stage of the washing and drying machine is terminated.
In one embodiment, further comprising:
automatically operating the fan simultaneously while operating any one or more of the first electric heater and the second electric heater. According to a second aspect of embodiments of the present invention, there is provided an apparatus for drying in a washer dryer, comprising:
the temperature rising module is used for simultaneously operating the first electric heater and the second electric heater after the washing and drying machine enters a temperature rising stage:
the dehydration module is used for closing the first electric heater and the second electric heater when the temperature in the washing and drying machine barrel reaches a preset dehydration condition in the temperature rise stage, so that the washing and drying machine enters the dehydration stage from the temperature rise stage;
and the drying module is used for entering a drying stage after the dewatering stage of the washing and drying machine is finished, continuously operating the first electric heater and discontinuously operating the second electric heater.
In one embodiment, further comprising: the temperature rising module, the dehydration module and the drying module are controlled to execute the drying method in any one of the above embodiments.
According to a third aspect of the embodiments of the present invention, an embodiment of the present invention provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the steps of the drying method as provided in the first aspect when executing the program.
According to a fourth aspect of embodiments of the present invention, there is also provided a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the drying method as provided in the first aspect.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flow chart illustrating a drying method of a washer dryer according to an exemplary embodiment of the present invention;
fig. 2 is a flowchart illustrating a step S12 of a drying method of a washer dryer according to an exemplary embodiment of the present invention;
fig. 3 is a flowchart illustrating a step S13 of a drying method of a washer dryer according to an exemplary embodiment of the present invention:
FIG. 4 is a flow chart illustrating a drying method of a washer dryer according to another exemplary embodiment of the present invention;
fig. 5 is a flowchart illustrating a step S41 of a drying method of a washer dryer according to an exemplary embodiment of the present invention;
fig. 6 is a flowchart illustrating a step S42 of a drying method of a washer dryer according to an exemplary embodiment of the present invention;
FIG. 7 is a block diagram illustrating an arrangement of a washer dryer in accordance with an exemplary embodiment of the present invention;
fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Fig. 1 is a flowchart illustrating a drying method of a washer dryer according to an exemplary embodiment, as shown in fig. 1, the drying method of the washer dryer includes the following steps S11-S13:
in step S11, after the washer dryer enters the temperature raising stage, the first electric heater and the second electric heater are operated simultaneously;
in step S12, when the temperature in the tub of the washing and drying machine reaches a preset dehydration condition in the temperature-raising stage, turning off the first electric heater and the second electric heater, so that the washing and drying machine enters the dehydration stage from the temperature-raising stage;
in step S13, when the dewatering stage of the washing and drying machine is finished, the drying stage is started, the first electric heater is operated continuously, and the second electric heater is operated discontinuously;
in one embodiment, the drying method of the washing and drying machine is totally divided into four stages, namely a temperature rise stage, a dehydration stage, a drying stage and a temperature reduction stage. Two electric heaters are arranged in the washing and drying machine and are divided into a first electric heater and a second electric heater. Wherein the power of the first electric heater is greater than the power of the second electric heater. According to different stages and different technical indexes, the first electric heater and the second electric heater are intelligently matched to use, so that the technical effect of intelligently controlling the temperature in the washing and drying machine barrel is achieved.
First, after the washing and drying machine completes the washing function, the drying function is performed. At this time, the temperature in the tub of the washing and drying machine is the temperature at the end of the washing function, and generally, the temperature is far lower than the ideal temperature required for the drying function. Therefore, the temperature needs to be raised at the first time, which is a temperature raising stage. In the temperature rising stage, in order to achieve an efficient heating effect, the first electric heater and the second electric heater need to be started simultaneously.
When the temperature reaches the preset dehydration condition in the washing and drying machine barrel, the water content of the clothes is higher, in order to achieve a better drying effect, the mode of mechanical rotation is needed to be used at the moment, and the effect of centrifugal force is utilized, so that most of moisture in the clothes is separated from the clothes. The first and second electric heaters are operated off during the dehydration phase for stability of the washer dryer system and to reduce peak power pressures.
And after the dehydration stage is finished, entering a drying stage. In order to ensure that the temperature in the washing and drying machine barrel reaches a preset temperature range, the preset temperature range is at a higher temperature, so that the drying efficiency of the clothes is ensured. However, the temperature inside the tub of the washer dryer cannot exceed the threshold temperature, which could cause damage to the laundry, even if the temperature is too high, which could cause the load of the washer dryer itself to wear out. It is desirable to continue to operate the first electric heater to ensure that the temperature within the washer dryer tub is maintained above a higher temperature. The second electric heater is operated intermittently to ensure that the temperature in the washing and drying machine barrel can be maintained within a proper temperature interval, thereby achieving the technical effects of ensuring the drying efficiency and not exceeding the threshold temperature.
In the technical scheme of this embodiment, when any one or more of the first electric heater and the second electric heater is operated, the fan is automatically operated at the same time. The temperature in the washing and drying machine barrel is uniformly and quickly diffused, so that the over-high temperature of the area close to the first electric heater and the second electric heater and the over-low temperature of the area far away from the first electric heater and the second electric heater are avoided.
According to the technical scheme in the embodiment, the first electric heater and the second electric heater are intelligently controlled, so that the temperature in the washing and drying machine barrel is in corresponding temperature at different stages. The drying efficiency is guaranteed, and the technical effect of preventing the temperature in the barrel from being too high is achieved. In addition, the waiting time of the user in the drying process of using the washing and drying machine is shortened, and the worry that the user damages the clothes due to high temperature is avoided.
In one embodiment, as shown in FIG. 2, step S12 includes the following steps S21-S22:
in step S21, turning off the first electric heater and the second electric heater when the temperature in the washer dryer tub reaches a preset first temperature;
in step S22, the fan is continuously operated for a first preset time period after the dehydration stage is entered.
In one embodiment, the higher temperature in the washer dryer tub facilitates the increased efficiency of dewatering. In the dehydration stage of the washing and drying machine, the preset dehydration condition is that the temperature in the washing and drying machine barrel reaches a preset first temperature X1DEG C, a predetermined first temperature X1Temperatures are significantly above room temperature.
After the dehydration stage, the first electric heating is turned offAnd a second electric heater, wherein it is a preferred embodiment to immediately turn off both the first electric heater and the second electric heater simultaneously. Because the heat diffusion is a process, the areas around the first electric heater and the second electric heater still receive the action of heat conduction and heat radiation, which may cause the temperature of some areas to be too high, not only can the rubber part of the air opening be deformed due to the too high temperature, but also can exceed the cut-off threshold of the temperature limiter, which causes the temperature limiter to start, and further cuts off the power supply of the first electric heater and the second electric heater, and interferes with the subsequent drying stage. Therefore, after the dehydration stage is started, the continuous operation fan reaches the first preset time Y1And uniformly diffusing the heat of the area around the first electric heater and the second electric heater.
In one embodiment, as shown in FIG. 3, step S13 includes the following steps S31-S33:
in step S31, entering a drying stage after the washing and drying machine dehydration stage is finished, and simultaneously operating the first electric heater and the second electric heater;
in step S32, if the temperature in the washing machine tub exceeds a preset second temperature, the second electric heater is turned off, and only the first electric heater is operated;
in step S33, if the temperature inside the washer tub is lower than the preset first temperature, the first electric heater and the second electric heater are simultaneously operated.
In one embodiment, during the dehydration phase, the first electric heater and the second electric heater are in the off state, and the temperature in the washing and drying machine barrel is greatly reduced. Therefore, after the dehydration stage is finished, the temperature in the tub of the washer dryer needs to be raised rapidly, and the first electric heater and the second electric heater are operated at the same time to raise the temperature in the tub efficiently. Wherein it is a preferred embodiment to operate the first electric heater and the second electric heater simultaneously at once. When the temperature is at a higher temperature in the washing and drying machine barrel, the evaporation efficiency of the loaded moisture is high, the temperature difference between the moist hot air passing through the condensation channel and the condensed water is large, the condensation efficiency is high, and the drying efficiency at the moment is high. However, it is washed dryWhen the temperature in the tub is too high, damage may be caused to the laundry in the washing and drying tub. Therefore, a preset second temperature X is set2The temperature in the washing and drying machine barrel is higher than a preset second temperature X2And when the temperature is in the range of DEG C, the second electric heater is turned off, and the temperature in the washing and drying machine tends to decrease. The drying efficiency of the washer dryer is positively correlated with the temperature in the washer dryer tub, and the low temperature in the washer dryer tub leads to low drying efficiency. Therefore, a preset first temperature X is set1The temperature in the washing and drying machine barrel is lower than a preset second temperature X1When the temperature is in the range of DEG C, the second electric heater is operated, and the temperature in the washing and drying machine barrel tends to rise. Through the technical scheme, the temperature in the washing and drying machine barrel can be ensured to be always kept at the preset first temperature X1DEG C and a preset second temperature X2The temperature is between the DEG C, thereby ensuring the drying efficiency of the washing and drying machine and avoiding the damage to clothes caused by overhigh temperature.
In one embodiment, as shown in FIG. 4, the following steps S41-42 are also included:
in step S41, when the return air temperature of the washing and drying machine meets a preset cooling condition, the drying machine enters a cooling stage;
in step S42, when the washing and drying machine reaches a preset termination condition, the cooling phase of the washing and drying machine is terminated.
In one embodiment, by monitoring the return air temperature of the washer dryer in real time, when the return air temperature reaches a preset cooling condition, it indicates that the clothes are sufficiently dried and that it is not necessary to continue drying the clothes. Therefore, the drying process is ended and the cooling process is started. In the cooling stage, the temperature in the washing and drying machine barrel is reduced by the air flow brought by the operation of the fan.
And in the process of the cooling stage, monitoring relevant technical parameters of the washing and drying machine in real time, and stopping the cooling stage of the washing and drying machine when the washing and drying machine reaches a preset termination condition. And meanwhile, a reminder is set to remind a user to take out the clothes in the washing and drying machine in time.
In one embodiment, as shown in FIG. 5, step S41 includes the following steps S51-S52:
in step S51, determining whether the return air temperature of the washer dryer is lower than a preset third temperature and the duration time reaches a second preset time;
in step S52, when the above determination is true, the first electric heater and the second electric heater are turned off, and the dry cleaning machine enters a cooling stage.
In one embodiment, after the drying stage is continued for a period of time, real-time detection is made as to whether the return air temperature of the washer dryer exceeds a preset third temperature X3At the temperature of the second preset time length Y2. When the above conditions are met, the system determines that the laundry in the washer dryer tub is sufficiently dried, and turns off the first electric heater and the second electric heater. The dry cleaning machine enters a cooling stage, the fan is operated, and the temperature in the barrel of the dry cleaning machine is reduced in an air flowing mode.
In one embodiment, as shown in FIG. 6, step S42 includes the following step S61:
in step S61, when the temperature inside the tub of the washing and drying machine is lower than the preset fourth temperature and the temperature of the inlet air of the washing and drying machine is lower than the preset fifth temperature, the cooling phase of the washing and drying machine is terminated.
In one embodiment, during the cool down phase, the temperature inside the washer dryer tub and the inlet air temperature of the washer dryer are monitored in real time. Simultaneously satisfies the condition that the temperature in the washing and drying machine barrel is lower than the preset fourth temperature X4The temperature of the air inlet of the washing and drying machine is lower than the preset fifth temperature X5When the temperature is higher than the preset temperature, the temperature reduction stage of the washing and drying machine is stopped, and the user is informed that the clothes in the washing and drying machine are dried through any one or more of a voice mode, a light mode and a communication mode, so that the user can take out the clothes in time conveniently.
Through the above embodiments, it can be found that the operation states of the washing and drying machine at different stages are as shown in the following table:
TABLE 1
| Temperature in the barrel | First electric heater | Second electric heater | Fan blower | |
| Temperature raising stage | Rise to X1℃ | Operation of | Operation of | Operation of |
| Stage of dehydration | Naturally cooling | Close off | Close off | Run Y1 |
| Drying stage | X1℃-X2℃ | Operation of | Operating discontinuously | Operation of |
| Cooling stage | Down to X4℃ | Close off | Close off | Operation of |
By intelligently controlling the first electric heater and the second electric heater, the proper temperature can be achieved at different stages. Particularly, in the drying stage, the temperature in the washing and drying machine barrel is constant in a preset temperature range X1℃-X2Within the temperature range, thereby not only ensuring the drying efficiency, but also preventing the temperature in the barrel from being overhigh.
In one embodiment, fig. 7 is a block diagram illustrating an apparatus for drying in a washer dryer according to an exemplary embodiment. As shown in fig. 7, the apparatus includes a temperature raising module 71, a dehydration module 72, and a drying module 73.
The temperature rising module 71 is used for simultaneously operating the first electric heater and the second electric heater after the washing and drying machine enters a temperature rising stage;
the dehydration module 72 is used for turning off the first electric heater and the second electric heater when the temperature in the washing and drying machine barrel reaches a preset dehydration condition, and the washing and drying machine enters a dehydration stage;
the drying module 73 is configured to enter a drying stage after the dewatering stage of the washing and drying machine is completed, continuously operate the first electric heater, and intermittently operate the second electric heater.
The temperature increasing module 71, the dehydrating module 72 and the drying module 73 included in the dryer are controlled to perform the drying method explained in the above embodiments.
Fig. 8 illustrates a physical structure diagram of a server, and as shown in fig. 8, the server may include: a processor (processor)810, a communication Interface 820, a memory 830 and a communication bus 840, wherein the processor 810, the communication Interface 820 and the memory 830 communicate with each other via the communication bus 840. The processor 810 may call logic instructions in the memory 830 to perform the following method: after the temperature rising stage of the washing and drying machine, simultaneously operating a first electric heater and a second electric heater; when the temperature in the washing and drying machine barrel reaches a preset dehydration condition, the first electric heater and the second electric heater are turned off, and the washing and drying machine enters a dehydration stage; and entering a drying stage after the dewatering stage of the washing and drying machine is finished, and continuously operating the first electric heater and discontinuously operating the second electric heater.
In addition, the logic instructions in the memory 830 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is implemented to perform the transmission method provided in the foregoing embodiments when executed by a processor, and for example, the method includes: after the temperature rising stage of the washing and drying machine, simultaneously operating a first electric heater and a second electric heater; when the temperature in the washing and drying machine barrel reaches a preset dehydration condition, the first electric heater and the second electric heater are turned off, and the washing and drying machine enters a dehydration stage; and entering a drying stage after the dewatering stage of the washing and drying machine is finished, and continuously operating the first electric heater and discontinuously operating the second electric heater.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. A drying method of a washing and drying machine is characterized by comprising the following steps:
after the temperature rising stage of the washing and drying machine, simultaneously operating a first electric heater and a second electric heater;
when the temperature in the washing and drying machine barrel reaches a preset dehydration condition in the temperature rising stage, the first electric heater and the second electric heater are closed, so that the washing and drying machine enters the dehydration stage from the temperature rising stage:
and when the dewatering stage of the washing and drying machine is finished, the drying stage is started, the first electric heater is continuously operated, and the second electric heater is discontinuously operated.
2. The drying method of claim 1, wherein said turning off the first electric heater and the second electric heater when the temperature in the tub of the washer dryer reaches a preset dehydration condition in the warming-up stage to make the washer dryer enter the dehydration stage from the warming-up stage comprises:
when the temperature in the washing and drying machine barrel reaches a preset first temperature, the first electric heater and the second electric heater are turned off;
after the dehydration stage, the fan is continuously operated for a first preset time.
3. The drying method of claim 2, wherein said entering the drying phase after the dewatering phase of the washer dryer is completed, continuously operating the first electric heater, and intermittently operating the second electric heater, comprises:
entering a drying stage after the dewatering stage of the washing and drying machine is finished, and simultaneously operating the first electric heater and the second electric heater;
if the temperature in the washing and drying machine barrel exceeds a preset second temperature, the second electric heater is closed, and only the first electric heater is operated;
and if the temperature in the washing and drying machine barrel is lower than the preset first temperature, simultaneously operating the first electric heater and the second electric heater.
4. The drying method of claim 1, further comprising:
after the washing and drying machine enters a drying stage, when the return air temperature of the washing and drying machine in the drying stage meets a preset temperature reduction condition, the dry cleaning machine enters the temperature reduction stage from the drying stage;
and when the washing and drying machine reaches a preset termination condition, terminating the cooling stage of the washing and drying machine.
5. The drying method of claim 4, wherein the step of entering the cool-down phase when the return air temperature of the washing and drying machine meets a preset cool-down condition after the washing and drying machine enters the drying phase comprises:
judging whether the return air temperature of the washing and drying machine is lower than a preset third temperature or not and the duration time reaches a second preset time;
and when the judgment is true, the first electric heater and the second electric heater are closed, and the dry cleaning machine enters a cooling stage.
6. The drying method of claim 4, wherein the terminating the cool down phase of the washer dryer when the washer dryer reaches a predetermined termination condition comprises:
and when the temperature in the washing and drying machine barrel is lower than a preset fourth temperature and the air inlet temperature of the washing and drying machine is lower than a preset fifth temperature, the cooling stage of the washing and drying machine is terminated.
7. The drying method of claims 1 to 6, further comprising:
automatically turning on the fan simultaneously while operating any one or more of the first electric heater and the second electric heater.
8. A washer dryer, comprising:
the temperature rising module is used for simultaneously operating the first electric heater and the second electric heater after the washing and drying machine enters a temperature rising stage;
the dehydration module is used for closing the first electric heater and the second electric heater when the temperature in the washing and drying machine barrel reaches a preset dehydration condition in the temperature rise stage, so that the washing and drying machine enters the dehydration stage from the temperature rise stage;
and the drying module is used for entering a drying stage after the dewatering stage of the washing and drying machine is finished, continuously operating the first electric heater and discontinuously operating the second electric heater.
9. The washer dryer as claimed in claim 8, wherein: the temperature rising module, the dehydration module and the drying module are controlled to execute the drying method of any one of claims 1 to 7.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the steps of the drying method according to any one of claims 1 to 7 are implemented when the processor executes the program.
11. A non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the drying method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010998283.9A CN112252002B (en) | 2020-09-21 | 2020-09-21 | Drying method and device of washing and drying machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010998283.9A CN112252002B (en) | 2020-09-21 | 2020-09-21 | Drying method and device of washing and drying machine |
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