CN111206404B - Clothes dryer and control method thereof - Google Patents
Clothes dryer and control method thereof Download PDFInfo
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- CN111206404B CN111206404B CN201811399791.4A CN201811399791A CN111206404B CN 111206404 B CN111206404 B CN 111206404B CN 201811399791 A CN201811399791 A CN 201811399791A CN 111206404 B CN111206404 B CN 111206404B
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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
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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
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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
- D06F58/48—Control of the energy consumption
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention relates to the technical field of clothes dryers, in particular to a clothes dryer and a control method thereof. The control method of the dryer of the present invention includes: detecting the current working temperature of the inner cylinder; comparing the current working temperature with a preset temperature, and selectively adjusting the drying parameters of the reference working mode according to the comparison result to be used as the drying parameters of the current working mode; wherein, the drying parameters comprise forward rotation time and reverse rotation time. The control method of the clothes dryer can adjust the forward rotation time and the reverse rotation time according to the temperature of the inner cylinder monitored in real time, and the appropriate forward rotation time and reverse rotation time are matched for different temperature environments, so that the drying effect is ensured, and meanwhile, the energy saving and the clothes protection can be realized.
Description
Technical Field
The invention relates to the technical field of clothes dryers, in particular to a clothes dryer and a control method thereof.
Background
In the existing clothes dryer, the drum rotates towards the same direction in the process of drying clothes. In the clothes drying process, the same rotation direction of the drum often causes the clothes in the drum to be entangled, which not only easily causes the clothes to be wrinkled, but also causes the clothes to be dried slowly because the high-temperature air flow can only pass through the entangled clothes surface and is difficult to enter the inside of the clothes. In addition, the clothes wound inside are not easy to dry, uneven drying is easily caused, and the clothes inside are still wet after drying.
In order to solve the above problems, the chinese patent with application number 201410059235.8 entitled "a clothes dryer and a control method thereof" provides a clothes dryer capable of rotating in both forward and reverse directions and a control method thereof, which controls a bidirectional rotating motor to drive a drum to rotate in both forward and reverse directions, thereby effectively preventing the clothes from being entangled during the drying process. However, in the method, the roller is always kept at a fixed forward rotation time and a fixed reverse rotation time in the forward and reverse rotation processes, and the forward and reverse rotation switching frequency of the roller is usually high, so that the arrangement has the following disadvantages: if the temperature in the drum is low, the phenomenon of local temperature aggregation is not easy to occur, if the forward and reverse rotation is still frequently switched, the energy consumption of the whole machine is increased, and the clothes are easily abraded.
Accordingly, there is a need in the art for a new control method of a dryer to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, the problems of the existing clothes dryer that the energy consumption of the whole clothes is increased and the clothes are easily worn due to the fixed forward rotation time and reverse rotation time when the drum is switched between forward rotation and reverse rotation, the present invention provides, in one aspect, a control method for a clothes dryer, the clothes dryer including an inner drum, the control method including: detecting the current working temperature of the inner barrel; comparing the current working temperature with a preset temperature, and selectively adjusting the drying parameters of the reference working mode according to the comparison result to be used as the drying parameters of the current working mode; wherein, the drying parameters comprise forward rotation time and reverse rotation time.
In a preferred technical solution of the above control method, the specific steps of comparing the current operating temperature with the preset temperature, and selectively adjusting the drying parameter of the reference operating mode as the drying parameter of the current operating mode according to the comparison result include: and under the condition that the current working temperature is higher than the first preset temperature, adjusting the drying parameters of the reference working mode to reduce the sum of the forward rotation time and the reverse rotation time and reduce or keep the absolute value of the difference value of the forward rotation time and the reverse rotation time unchanged.
In a preferred technical solution of the above control method, the preset temperature includes a third preset temperature, and the third preset temperature is greater than the first preset temperature; the temperature interval greater than or equal to the third preset temperature is a first temperature interval, when the current working temperature is in the first temperature interval, the absolute value of the difference value between the forward rotation time and the reverse rotation time is a first absolute value, and the sum of the forward rotation time and the reverse rotation time is a first sum; the temperature interval which is greater than the first preset temperature and less than a third preset temperature is a second temperature interval, when the current working temperature is in the second temperature interval, the absolute value of the difference value between the forward rotation time and the reverse rotation time is a second absolute value, and the sum of the forward rotation time and the reverse rotation time is a second sum; the specific steps of "when the current working temperature is higher than the first preset temperature, adjusting the drying parameters of the reference working mode so that the sum of the forward rotation time and the reverse rotation time is reduced and the absolute value of the difference between the forward rotation time and the reverse rotation time is reduced or unchanged" include: the first sum is less than the second sum and the first absolute value is less than or equal to the second absolute value.
In a preferred technical solution of the above control method, the preset temperature includes a second preset temperature and the first preset temperature is greater than the second preset temperature; the specific steps of comparing the current working temperature with a preset temperature and selectively adjusting the drying parameter of the reference working mode as the drying parameter of the current working mode according to the comparison result include: and under the condition that the current working temperature is lower than the second preset temperature, adjusting the drying parameters of the reference working mode to increase the sum of the forward rotation time and the reverse rotation time and reduce or keep the absolute value of the difference value of the forward rotation time and the reverse rotation time unchanged.
In a preferred technical solution of the above control method, the preset temperature includes a fourth preset temperature, and the fourth preset temperature is less than the second preset temperature; a temperature interval which is greater than the fourth preset temperature and less than the second preset temperature is a third temperature interval, when the current working temperature is in the third temperature interval, the absolute value of the difference value between the forward rotation time and the reverse rotation time is a third absolute value, and the sum of the forward rotation time and the reverse rotation time is a third sum; the temperature interval less than or equal to the fourth preset temperature is a fourth temperature interval; when the current working temperature is in the fourth temperature interval, the absolute value of the difference value between the forward rotation time and the reverse rotation time is a fourth absolute value, and the sum of the forward rotation time and the reverse rotation time is a fourth sum; the specific steps of "adjusting the drying parameters of the reference working mode so that the sum of the forward rotation time and the reverse rotation time is increased and the absolute value of the difference between the forward rotation time and the reverse rotation time is reduced or unchanged when the current working temperature is lower than the second preset temperature" include: the fourth sum is less than the third sum and the fourth absolute value is less than or equal to the third absolute value.
In a preferred technical solution of the above control method, "adjusting a preset drying parameter of a reference working mode according to the current working temperature" includes: and under the condition that the current working temperature is greater than or equal to a second preset temperature and less than or equal to a first preset temperature, directly taking the drying parameters of the reference working mode as the drying parameters of the current working mode.
In a preferable technical scheme of the control method, a difference value between the first preset temperature and the third preset temperature ranges from 10 ℃ to 20 ℃; and/or the difference between the second preset temperature and the fourth preset temperature ranges from 10 ℃ to 20 ℃.
In a preferred embodiment of the above control method, the reference operating mode is determined according to the following steps: determining the temperature tolerance of all clothes to be dried; selecting the clothes with the minimum temperature tolerance capability in all the clothes to be dried as reference clothes; determining the reference operation mode according to the reference laundry.
In a preferred embodiment of the above control method, the step of determining the temperature tolerance of all the clothes to be dried includes: acquiring material information of all clothes to be dried; and determining the temperature tolerance of all the clothes to be dried according to the material information.
The control method of the clothes dryer takes the reference working mode as the default working mode, and selectively adjusts the forward rotation time and the reverse rotation time in the reference working mode according to the comparison result of the current working temperature and the preset temperature to be taken as the drying parameters of the current working mode. Through the mode, the clothes dryer can adjust the forward rotation time and the reverse rotation time according to the actual state of clothes, particularly, the clothes dryer can reasonably adjust the forward rotation time and the reverse rotation time according to the ambient temperature of the clothes, namely the current working temperature of the inner barrel, and the proper forward rotation time and the proper reverse rotation time are matched for different clothes states, so that the drying effect is guaranteed, and meanwhile, the energy consumption of the whole machine and the integrity of the clothes are protected.
Another aspect of the present invention provides a dryer including a controller for performing a control method of the dryer according to any one of the above aspects.
It should be noted that the clothes dryer has all the technical effects of the control method of the clothes dryer, and the details are not repeated herein.
Drawings
The dryer control method of the present invention is described below with reference to the accompanying drawings. In the drawings:
FIG. 1 is a first flowchart illustrating a control method of a dryer according to an embodiment of the present invention;
FIG. 2 is a second flowchart illustrating a control method of a dryer according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a process of determining a reference operation mode according to an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the steps of the method of the present invention are described herein in a particular order, these orders are not limiting, and one skilled in the art may perform the steps in a different order without departing from the underlying principles of the invention.
The clothes dryer comprises an outer cylinder, an inner cylinder arranged in the outer cylinder, a heating system, an air supply system, a bidirectional rotating motor and a control system. The air supply system sends high-temperature air heated by the heating system into the inner barrel to dry clothes in the inner barrel, and the controller drives the inner barrel to rotate forwards and backwards relative to the outer barrel by controlling the bidirectional rotating motor so that the clothes in the inner barrel can be uniformly dispersed. The clothes dryer is also provided with a temperature detection unit which is used for detecting the current working temperature of the inner cylinder (namely the ambient temperature of the clothes in the inner cylinder) and sending the current working temperature to the control system, and the control system adjusts the forward rotation time and the reverse rotation time of the bidirectional rotating motor according to the current working temperature so as to further realize the adjustment of the forward rotation time and the reverse rotation time of the inner cylinder.
Referring to fig. 1, fig. 1 is a first flowchart illustrating a control method of a dryer according to an embodiment of the present invention. Based on the clothes dryer with the structure, the invention also provides a control method of the clothes dryer, which mainly comprises the following steps as shown in figure 1:
s10: and detecting the current working temperature of the inner barrel.
S20: and comparing the current working temperature with a preset temperature, and selectively adjusting the drying parameters of the reference working mode according to the comparison result to be used as the drying parameters of the current working mode.
In step S20, the reference operation mode is set as a default operation mode, and the drying parameters include the forward rotation time and the reverse rotation time. The main targets of the adjustment of the control method of the present invention are the forward rotation time and the reverse rotation time in the drying parameters, and it should be noted that the forward rotation time and the reverse rotation time herein refer to the forward rotation time and the reverse rotation time in a single rotation cycle. During the whole drying process, the bidirectional rotating motor controls the inner cylinder to repeat the rotating period. Under the condition that other conditions are not changed, the reduction of the sum of the forward rotation time and the reverse rotation time can shorten the time length of the rotation period, and the increase of the forward and reverse rotation switching frequency of the inner cylinder is also meant. Frequent switching of the steering can well shake the clothes, so that the drying effect of the clothes is improved.
The control method of the invention sets a preset temperature which can be one or more temperature values, compares the current working temperature with the preset temperature, and the controller can judge the environmental temperature state of the clothes in the inner drum according to the comparison result and then correspondingly adjust the forward rotation time and the reverse rotation time to adjust the forward and reverse rotation switching frequency.
Compared with the existing setting mode of maintaining high-frequency forward and reverse rotation switching in the whole drying process for ensuring the drying effect, the control method disclosed by the invention can be used for adaptively adjusting the forward rotation time and the reverse rotation time according to the current working temperature of the inner drum and matching the appropriate forward rotation time and reverse rotation time for different temperature environments, so that the drying effect is ensured, the energy-saving purpose can be realized, the clothes abrasion caused by long-time frequent forward and reverse rotation switching can be avoided, and the clothes protection effect is realized.
Referring to fig. 2, fig. 2 is a second flowchart illustrating a control method of a dryer according to an embodiment of the present invention. As shown in fig. 2, in a possible embodiment, the preset temperature includes a first preset temperature and a second preset temperature, wherein the first preset temperature is greater than the second preset temperature, and the forward rotation time and the reverse rotation time of the reference working mode are not equal to each other. The method comprises the following steps:
s1: and detecting the current working temperature of the inner barrel.
S2: comparing the current working temperature T with a first preset temperature T1And a second preset temperature T2The size of (2):
s21: at T2≤T≤T1And under the condition of (1), directly taking the drying parameter of the reference working mode as the drying parameter of the current working mode.
S22: at T > T1In the case of (1), the drying parameter of the reference working mode is adjusted so that the sum of the forward rotation time and the reverse rotation time is reduced and the absolute value of the difference between the forward rotation time and the reverse rotation time is reduced, and the adjusted forward rotation time and reverse rotation time are used as the drying parameter of the current working mode.
S23: at T < T2In the case of (1), the drying parameter of the reference working mode is adjusted so that the sum of the forward rotation time and the reverse rotation time is increased and the absolute value of the difference between the forward rotation time and the reverse rotation time is decreased, and the adjusted forward rotation time and reverse rotation time are used as the drying parameter of the current working mode.
It should be noted that, considering that the forward rotation time and the reverse rotation time in a single rotation period may be equal or different, the present invention uses the absolute value of the difference between the forward rotation time and the reverse rotation time to measure the anti-wind effect in the single rotation period of the inner cylinder. Specifically, in a single rotation period, the closer the forward rotation time and the reverse rotation time are, the better the anti-wind effect is, that is, the smaller the absolute value of the difference between the forward rotation time and the reverse rotation time is, the better the anti-wind effect is. Under the condition that the forward rotation time and the reverse rotation time are the same, the rotation of the inner drum can achieve the optimal unwrapping effect, and at the moment, the clothes in the inner drum are not easy to be entangled.
In the above example, the preset temperature includes two temperature values, i.e., a first preset temperature and a second preset temperature, which divide the temperature into three temperature sections, i.e., a reference temperature section (T)2≤T≤T1) High temperature interval (T > T)1) And low temperature interval (T < T)2). Wherein, the reference temperature interval is as the standard of weighing the temperature height, because the temperature in the high temperature interval all is greater than the maximum value T1 between the reference temperature interval, it is higher just also to mean the ambient temperature that the clothing was located, reduce the positive rotation time and the positive rotation switching frequency that the inner tube can be increased to the total sum of reversal time on the basis of benchmark mode of operation, so, can tremble the clothing better and appear the phenomenon of local temperature gathering in order to avoid the clothing, make the clothing can be dried by even, and can also save the stoving time when guaranteeing the stoving effect, improve drying efficiency. The absolute value of the difference value between the forward rotation time and the reverse rotation time is reduced, so that the anti-winding effect can be improved, clothes are not easy to be entangled, and the drying effect is further ensured.
Because the temperature in the low temperature interval is less than the maximum value T of the reference temperature interval2The inner barrel does not need to be frequently switched to turn at the moment, the forward rotation time and the reverse rotation time are increased on the basis of the reference working mode, the forward and reverse rotation switching frequency of the inner barrel can be reduced, and therefore impact and energy consumption waste caused by frequent reversing of the motor can be avoided. The reduction of the absolute value of the difference between the forward rotation time and the reverse rotation time can improve the anti-winding effect, thereby ensuring that the clothes can be uniformly dried even if the forward and reverse rotation switching frequency is reduced.
It should be noted that, in some possible embodiments, the forward rotation time and the reverse rotation time in the reference operation mode are equal, and at this time, the rotation of the inner cylinder can already achieve the optimal unwinding effect, so that the sum of the forward rotation time and the reverse rotation time is adjusted according to the current operation temperature, and the forward rotation time and the reverse rotation time are always kept equal, that is, the forward rotation time and the reverse rotation time are reduced in equal proportion. It is understood that even in the case where the normal rotation time and the reverse rotation time in the reference operation mode are not equal, only the sum of the normal rotation time and the reverse rotation time may be adjusted while keeping the absolute value of the difference therebetween unchanged.
In a preferred embodiment, the preset temperature includes not only the first preset temperature T1A second predetermined temperature T2And a third preset temperature T3And a fourth preset temperature T4Wherein the third preset temperature T3Greater than a first predetermined temperature T1Fourth predetermined temperature T4Less than a second predetermined temperature T2. The method comprises the following steps:
the four temperature nodes further subdivide the temperature into five temperature intervals, namely reference temperature intervals (T)2≤T≤T1) First temperature interval (T ≧ T)3) And a second temperature interval (T)1＜T＜T3) A third temperature interval (T)4＜T＜T2) And a fourth temperature interval (T ≦ T)4). The forward rotation time and the reverse rotation time of each temperature interval are fixed and unchanged.
The first temperature interval (T is more than or equal to T)3) A second temperature interval (T)1＜T＜T3) A third temperature interval (T)4＜T＜T2) And a fourth temperature interval (T ≦ T)4) And a reference temperature interval (T)2≤T≤T1) The sum of the forward rotation time and the reverse rotation time at the lower stage is the first sum, the second sum, the third sum, the fourth sum, and the reference sum, respectively.
The first temperature interval (T is more than or equal to T)3) A second temperature interval (T)1＜T＜T3) A third temperature interval (T)4＜T＜T2) And a fourth temperature interval (T ≦ T)4) And a reference temperature interval (T)2≤T≤T1) The absolute values of the difference values of the forward rotation time and the reverse rotation time at the lower part are respectively a first absolute value, a second absolute value, a third absolute value, a fourth absolute value and a reference absolute value.
Based on the above definition, the sum of the forward rotation time and the reverse rotation time of each interval from large to small is respectively: first sum < second sum < base sum < third sum < fourth sum.
And under the condition that the forward rotation time and the reverse rotation time in each temperature interval are not equal, the absolute values of the difference values of the forward rotation time and the reverse rotation time in each interval are respectively as follows from large to small: the reference sum is larger than the second sum and is larger than or equal to the first sum; the reference sum is larger than the third sum and larger than or equal to the fourth sum. It is understood that, in the case where the reference total sum is zero, that is, the forward rotation time and the reverse rotation time in the reference operation mode are equal, the absolute value of the difference between the forward rotation time and the reverse rotation time in each section is zero.
In order to make the preset temperatures able to demarcate reasonable temperature intervals, it is preferable that the difference between the first preset temperature and the third preset temperature and between the second preset temperature and the fourth preset temperature is in the range of 10 ℃ to 20 ℃, such as, for example, 60 ℃ for the first preset temperature, 50 ℃ for the second preset temperature, 70 ℃ for the third preset temperature, and 40 ℃ for the fourth preset temperature.
It can be seen that the third preset temperature and the fourth preset temperature can further refine the high temperature interval and the low temperature interval, so that the original three temperature intervals are subdivided into five temperature intervals, and each temperature interval is correspondingly provided with respective forward rotation time and reverse rotation time. Through the arrangement, the clothes dryer can realize more accurate control on the rotation of the inner drum according to temperature change.
It should be noted that although the forward rotation time and the reverse rotation time of different temperature values in the reference temperature interval are fixed, the forward rotation time and the reverse rotation time of different temperature values in other temperature intervals may be fixed or may be changed, and those skilled in the art may set them according to actual needs so as to adapt to specific application situations. As a possible embodiment, the preset temperature includes two temperature nodes, and the temperature is divided into a standard temperature interval, a high temperature interval and a low temperature interval, wherein the forward rotation time and the reverse rotation time of the high temperature interval both decrease with the increase of the temperature; the forward rotation time and the reverse rotation time in the low-temperature interval both increase along with the reduction of the temperature.
In addition, it can be understood that the preset temperature may be one or more, for example, the preset temperature is 50 ℃, and when the current working temperature of the inner drum is less than 50 ℃, the drying parameter of the reference working mode is directly used as the drying parameter of the current working mode. When the current working temperature of the inner cylinder is higher than 50 ℃, the forward rotation time and the reverse rotation time in the reference working mode are both reduced so as to increase the forward and reverse rotation switching frequency of the inner cylinder. The technical personnel in the field can set the forward rotation time and the reverse rotation time corresponding to the preset temperature and the temperature range divided by the preset temperature according to the actual requirements, and only the energy conservation and the clothes protection can be realized under the condition of ensuring the drying effect.
The reference operation mode is a default operation mode set in advance, and the dryer may be provided with only a unique reference operation mode. Of course, the clothes dryer can also preset a plurality of reference working modes according to different scenes, and then automatically select the corresponding reference working mode according to the specific application scene.
Referring to fig. 3, fig. 3 is a flowchart illustrating a process of determining a reference working mode according to an embodiment of the present invention. In a preferred embodiment, as shown in fig. 3, the step of determining the reference operating mode comprises:
step S01: the temperature endurance of all the clothes to be dried is determined.
Step S02: selecting the clothes with the minimum temperature endurance capacity from all the clothes to be dried as the reference clothes.
Step S03: the reference operation mode is determined according to the reference laundry.
In step S01, it should be noted that the temperature tolerance here refers to a standard capable of evaluating the highest temperature that the clothing can bear, such as the cowboy coat having a temperature tolerance greater than that of the silk shirt, which means that silk is more likely to be damaged compared with cowboy clothing in a high temperature environment. The expression of the temperature tolerance can be a dimensionless value (such as called as a temperature tolerance value), or the value of the highest temperature that the clothing can bear can be directly used as a measure of the temperature tolerance, and the higher the highest temperature that the clothing can bear, the stronger the temperature tolerance. The determination of the temperature tolerance may be determined with reference to different information as long as the highest temperature that can be tolerated by different clothes can be determined.
Through a plurality of experiments and researches of the inventor, the temperature tolerance of the clothes mainly depends on the clothes material, for example, the temperature tolerance value of the cotton and linen clothes is generally higher than that of the silk clothes. In view of this, as one possible implementation, the temperature endurance capacity of the garment may be determined by material information of the garment. The controller of the clothes dryer stores the material information of clothes and the temperature tolerance value corresponding to various material information in advance. After the drying program is started, the RFID identification module configured in the clothes dryer can automatically acquire the material information of all clothes to be dried in the inner drum and transmit the clothes information to the controller, and the controller extracts the material information from the material information and confirms the temperature tolerance value corresponding to each material information.
The evaluation criteria of the temperature tolerance may not only be limited to material information, but also be comprehensively evaluated according to information such as thickness, area, density, color, etc. of the clothes, and those skilled in the art may set the evaluation criteria and the acquisition mode of the temperature tolerance according to the specific application.
In steps S02 and S03, after obtaining the temperature endurance of all the laundry, the laundry having the weakest temperature endurance is used as the reference laundry, and then the reference operation mode is determined according to the reference laundry, i.e., the reference operation mode having the least damage to all the laundry is selected. The drying mode with the minimum damage to all clothes can be selected by the mode of determining the reference working mode according to the weak principle, so that the damage to all clothes to be dried is avoided to the maximum extent on the premise of ensuring the drying effect.
In summary, the control method of the dryer of the present invention detects the current working temperature of the inner cylinder, and then adjusts the forward rotation time and the reverse rotation time in the reference working mode according to the comparison result between the current working temperature and the preset temperature, so as to match the appropriate forward rotation time and reverse rotation time for different temperature environments, thereby achieving a good drying effect while also achieving energy saving and laundry protection.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (9)
1. A control method of a dryer, the dryer including an inner tub, the control method comprising:
detecting the current working temperature of the inner barrel;
comparing the current working temperature with a preset temperature, and selectively adjusting the drying parameters of the reference working mode according to the comparison result to be used as the drying parameters of the current working mode;
wherein the drying parameters comprise forward rotation time and reverse rotation time;
wherein the preset temperature comprises a first preset temperature,
the specific steps of comparing the current working temperature with a preset temperature and selectively adjusting the drying parameter of the reference working mode as the drying parameter of the current working mode according to the comparison result include:
under the condition that the current working temperature is higher than the first preset temperature, adjusting the drying parameters of the reference working mode to reduce the sum of the forward rotation time and the reverse rotation time and reduce or keep the absolute value of the difference value of the forward rotation time and the reverse rotation time unchanged;
the preset temperature comprises a second preset temperature, and the first preset temperature is higher than the second preset temperature;
the specific steps of comparing the current working temperature with a preset temperature and selectively adjusting the drying parameter of the reference working mode as the drying parameter of the current working mode according to the comparison result include:
and under the condition that the current working temperature is lower than the second preset temperature, adjusting the drying parameters of the reference working mode to increase the sum of the forward rotation time and the reverse rotation time and reduce or keep the absolute value of the difference value of the forward rotation time and the reverse rotation time unchanged.
2. The control method according to claim 1, wherein the preset temperature includes a third preset temperature that is greater than the first preset temperature;
the temperature interval greater than or equal to the third preset temperature is a first temperature interval, when the current working temperature is in the first temperature interval, the absolute value of the difference value between the forward rotation time and the reverse rotation time is a first absolute value, and the sum of the forward rotation time and the reverse rotation time is a first sum;
the temperature interval which is greater than the first preset temperature and less than a third preset temperature is a second temperature interval, when the current working temperature is in the second temperature interval, the absolute value of the difference value between the forward rotation time and the reverse rotation time is a second absolute value, and the sum of the forward rotation time and the reverse rotation time is a second sum;
the specific steps of "when the current working temperature is higher than the first preset temperature, adjusting the drying parameters of the reference working mode so that the sum of the forward rotation time and the reverse rotation time is reduced and the absolute value of the difference between the forward rotation time and the reverse rotation time is reduced or unchanged" include:
the first sum is less than the second sum and the first absolute value is less than or equal to the second absolute value.
3. The control method according to claim 1, wherein the preset temperature includes a fourth preset temperature that is less than the second preset temperature;
a temperature interval which is greater than the fourth preset temperature and less than the second preset temperature is a third temperature interval, when the current working temperature is in the third temperature interval, the absolute value of the difference value between the forward rotation time and the reverse rotation time is a third absolute value, and the sum of the forward rotation time and the reverse rotation time is a third sum;
the temperature interval less than or equal to the fourth preset temperature is a fourth temperature interval; when the current working temperature is in the fourth temperature interval, the absolute value of the difference value between the forward rotation time and the reverse rotation time is a fourth absolute value, and the sum of the forward rotation time and the reverse rotation time is a fourth sum;
the specific steps of "adjusting the drying parameters of the reference working mode so that the sum of the forward rotation time and the reverse rotation time is increased and the absolute value of the difference between the forward rotation time and the reverse rotation time is reduced or unchanged when the current working temperature is lower than the second preset temperature" include:
the fourth sum is less than the third sum and the fourth absolute value is less than or equal to the third absolute value.
4. The control method according to claim 1, wherein the specific steps of comparing the current operating temperature with a preset temperature and selectively adjusting the drying parameter of the reference operating mode as the drying parameter of the current operating mode according to the comparison result comprise:
and under the condition that the current working temperature is greater than or equal to a second preset temperature and less than or equal to a first preset temperature, directly taking the drying parameters of the reference working mode as the drying parameters of the current working mode.
5. The control method according to claim 2, wherein the difference between the first preset temperature and the third preset temperature is in a range of 10 ℃ to 20 ℃.
6. The control method according to claim 3, wherein the difference between the second preset temperature and the fourth preset temperature is in a range of 10 ℃ to 20 ℃.
7. Control method according to any of claims 1 to 6, characterized in that the reference operating mode is determined according to the following steps:
determining the temperature tolerance of all clothes to be dried;
selecting the clothes with the minimum temperature tolerance capability in all the clothes to be dried as reference clothes;
determining the reference operation mode according to the reference laundry.
8. The control method according to claim 7, wherein the step of determining the temperature endurance of all the laundry to be dried comprises:
acquiring material information of all clothes to be dried;
and determining the temperature tolerance of all the clothes to be dried according to the material information.
9. Laundry dryer comprising a controller, characterized in that it is adapted to carry out the control method of the laundry dryer according to any one of the preceding claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811399791.4A CN111206404B (en) | 2018-11-22 | 2018-11-22 | Clothes dryer and control method thereof |
| PCT/CN2019/119969 WO2020103906A1 (en) | 2018-11-22 | 2019-11-21 | Clothes dryer and control method therefor |
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| CN201811399791.4A CN111206404B (en) | 2018-11-22 | 2018-11-22 | Clothes dryer and control method thereof |
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| KR100425103B1 (en) * | 2001-10-04 | 2004-03-30 | 엘지전자 주식회사 | Method for Controlling Washing Machine having Drying Function |
| KR100671933B1 (en) * | 2005-09-30 | 2007-01-24 | 주식회사 대우일렉트로닉스 | Method for control of the drying cycle in a drum-type washing machine |
| JP2010012074A (en) * | 2008-07-04 | 2010-01-21 | Panasonic Corp | Clothes dryer |
| CN101787638A (en) * | 2009-12-31 | 2010-07-28 | 深圳和而泰智能控制股份有限公司 | Method and device for intelligently detecting and controlling clothes dryer |
| EP2540907A1 (en) * | 2011-06-29 | 2013-01-02 | Electrolux Home Products Corporation N.V. | Method for operating a tumble dryer |
| CN102899871B (en) * | 2012-10-11 | 2017-07-18 | 青岛海尔滚筒洗衣机有限公司 | It is a kind of to change the method and dryer for improving clothes drying effect by drum speed |
| CN104652084A (en) * | 2013-11-20 | 2015-05-27 | 海尔集团技术研发中心 | Household dry cleaning machine and control method thereof |
| CN104862935B (en) * | 2014-02-21 | 2018-10-26 | 海尔集团公司 | A kind of dryer and its control method |
| CN107587328A (en) * | 2017-09-18 | 2018-01-16 | 上海花猫环境科技有限公司 | The intelligence control system and method for a kind of dryer |
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| CN111206404A (en) | 2020-05-29 |
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