WO2020103906A1 - 干衣机及其控制方法 - Google Patents

干衣机及其控制方法

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Publication number
WO2020103906A1
WO2020103906A1 PCT/CN2019/119969 CN2019119969W WO2020103906A1 WO 2020103906 A1 WO2020103906 A1 WO 2020103906A1 CN 2019119969 W CN2019119969 W CN 2019119969W WO 2020103906 A1 WO2020103906 A1 WO 2020103906A1
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Prior art keywords
temperature
preset temperature
rotation time
sum
absolute value
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PCT/CN2019/119969
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English (en)
French (fr)
Inventor
邴进东
姚龙平
赵新丰
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青岛海尔滚筒洗衣机有限公司
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Publication of WO2020103906A1 publication Critical patent/WO2020103906A1/zh

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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
    • 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
    • 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
    • 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

Definitions

  • the invention relates to the technical field of clothes dryers, in particular to a clothes dryer and a control method thereof.
  • the drums all rotate in the same direction.
  • the same rotation direction of the drum often causes the underwear to entangle, which not only easily causes the clothes to wrinkle, but also the high-temperature air flow can only pass through the surface of the entangled clothes and it is difficult to enter the interior of the clothes, resulting in the speed of drying slow.
  • the laundry wrapped inside is not easy to dry, which is easy to cause uneven drying, and the internal laundry is still wet at the end of drying.
  • the Chinese invention patent with the application number 201410059235.8 and the invention titled "A Clothes Dryer and Its Control Method” provides a clothes dryer capable of rotating in both directions and its control method. Rotating the motor drives the drum to achieve forward and reverse rotation, thereby effectively avoiding the entanglement of the clothes during the drying process.
  • the drum of this method always maintains a fixed forward and reverse rotation time during the forward and reverse rotation process and usually the forward and reverse switching frequency of the drum is relatively high, so such an arrangement has the following disadvantages: When the temperature is low, local temperature aggregation is not easy to occur at this time. If the forward and reverse switching is still frequently performed, it will not only increase the energy consumption of the whole machine, but also easily cause the wear of the clothes.
  • the present invention provides a method for controlling a clothes dryer.
  • the clothes dryer includes an inner tube.
  • the control method includes: detecting the current operating temperature of the inner tube; comparing the current operating temperature with Preset the temperature, and selectively adjust the drying parameters of the reference working mode as the drying parameters of the current working mode according to the comparison result; wherein the drying parameters include forward rotation time and reverse rotation time.
  • the preset temperature includes a first preset temperature, "compare the current working temperature with the preset temperature, and selectively adjust the drying parameters of the reference working mode according to the comparison result to
  • the specific steps of "drying parameters as the current working mode” include: when the current working temperature is greater than the first preset temperature, adjusting the drying parameters of the reference working mode so that the forward rotation time and the reverse rotation time The sum decreases and the absolute value of the difference between the two decreases or does not change.
  • the preset temperature includes a third preset temperature, the third preset temperature is greater than the first preset temperature; a temperature interval greater than or equal to the third preset temperature Is the first temperature interval.
  • the absolute value of the difference between the forward rotation time and the reverse rotation time is the first absolute value
  • the sum of the forward rotation time and the reverse rotation time is The first sum
  • the temperature interval greater than the first preset temperature and less than the third preset temperature is the second temperature interval, when the current operating temperature is in the second temperature interval, the forward rotation time and the reverse rotation time
  • the absolute value of the difference is the second absolute value
  • the sum of the forward and reverse times is the second sum;
  • the preset temperature includes a second preset temperature and the first preset temperature is greater than the second preset temperature; "compare the current operating temperature with the preset temperature, And selectively adjust the drying parameters of the reference working mode as the drying parameters of the current working mode according to the comparison result.
  • the specific steps include: adjusting the reference when the current working temperature is less than the second preset temperature
  • the drying parameters of the working mode are such that the sum of the forward rotation time and the reverse rotation time increases and the absolute value of the difference between the two decreases or does not change.
  • the preset temperature includes a fourth preset temperature, the fourth preset temperature is less than the second preset temperature; greater than the fourth preset temperature and less than the The temperature interval of the second preset temperature is the third temperature interval.
  • the absolute value of the difference between the forward rotation time and the reverse rotation time is the third absolute value
  • forward rotation The sum of the time and the reverse time is the third sum
  • the temperature interval less than or equal to the fourth preset temperature is the fourth temperature interval
  • the forward rotation time and the reverse time The absolute value of the difference in revolution time is the fourth absolute value
  • the sum of the forward revolution time and the reverse revolution time is the fourth sum
  • the specific steps of the drying parameter of the mode such that the sum of the forward rotation time and the reverse rotation time increases and the absolute value of the difference between the two decreases or does not change includes: the fourth sum is less than the third sum and the The fourth absolute value is less than or equal to the third absolute value.
  • the specific step of "adjusting the drying parameter of the preset reference working mode according to the current working temperature” includes: when the current working temperature is greater than or equal to the second preset temperature and less than or equal to In the case of the first preset temperature, the drying parameter of the reference working mode is directly used as the drying parameter of the current working mode.
  • the difference between the first preset temperature and the third preset temperature ranges from 10 ° C to 20 ° C; and / or the second preset temperature and all
  • the difference between the fourth preset temperature ranges from 10 ° C to 20 ° C.
  • the reference working mode is determined according to the following steps: determining the temperature tolerance of all laundry to be dried; selecting the laundry with the smallest temperature tolerance among all laundry to be dried as the reference laundry; The reference operating mode is determined according to the reference laundry.
  • the step of “determining the temperature tolerance of all laundry to be dried” includes: acquiring material information of all laundry to be dried; determining the temperature of all laundry to be dried according to the material information Tolerance.
  • the control method of the clothes dryer of the present invention takes the reference working mode as the default working mode, and selectively adjusts the forward rotation time and the reverse rotation time under the reference working mode as the current operation according to the comparison result of the current working temperature and the preset temperature
  • the drying parameters of the mode In this way, the dryer can adjust the forward rotation time and the reverse rotation time according to the actual state of the laundry.
  • the dryer can be reasonably adjusted according to the ambient temperature of the laundry, that is, the current working temperature of the inner drum Forward rotation time and reverse rotation time, matching the appropriate forward rotation time and reverse rotation time for different laundry states, so as to ensure the drying effect, but also take into account the overall energy consumption and protect the integrity of the clothes.
  • the clothes dryer includes a controller, and the control is used to execute the control method of the clothes dryer according to any one of the foregoing solutions.
  • this dryer has all the technical effects of the aforementioned control method of the dryer, and will not be repeated here.
  • FIG. 1 is a schematic flowchart 1 of a control method of a clothes dryer according to an embodiment of the present invention
  • FIG. 2 is a second schematic flowchart of a control method of a clothes dryer according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of determining a reference working mode according to an embodiment of the present invention.
  • the clothes dryer of the present invention includes an outer cylinder, an inner cylinder disposed in the outer cylinder, a heating system, an air supply system, a bidirectional rotating motor and a control system.
  • the air supply system sends the high-temperature air heated by the heating system into the inner drum to dry the clothes in the inner drum.
  • the controller controls the bidirectional rotation motor to drive the inner drum to rotate forward and backward relative to the outer drum so that the clothes in the inner drum can be evenly dispersed .
  • the dryer is also equipped with a temperature detection unit, which is used to detect the current working temperature of the inner drum (that is, the ambient temperature of the clothes in the inner drum) and send it to the control system.
  • the control system adjusts the bidirectional rotation through the current working temperature The forward rotation time and reverse rotation time of the motor, and then realize the adjustment of the forward rotation and reverse rotation time of the inner cylinder.
  • FIG. 1 is a first schematic flowchart of a control method of a clothes dryer according to an embodiment of the present invention. Based on the clothes dryer of the above structure, the present invention also provides a method for controlling the clothes dryer. As shown in FIG. 1, the method mainly includes the following steps:
  • S20 Compare the current working temperature with the preset temperature, and selectively adjust the drying parameter of the reference working mode according to the comparison result as the drying parameter of the current working mode.
  • the reference operation mode is a preset default operation mode, and its drying parameters include forward rotation time and reverse rotation time.
  • the adjustment objects of the control method of the present invention are mainly the forward rotation time and the reverse rotation time in the drying parameters.
  • the forward rotation time and the reverse rotation time here refer to the forward rotation time and the reverse rotation time in a single rotation cycle Turn the time.
  • the bi-directional rotation motor will control the inner cylinder to repeat the rotation cycle. Under the condition that other conditions remain unchanged, the reduction of the sum of the forward rotation time and the reverse rotation time will shorten the duration of the rotation cycle, which means that the forward and reverse switching frequency of the inner cylinder increases. The frequent switching of the steering can shake the clothes well, thereby improving the drying effect of the clothes.
  • the control method of the present invention sets a preset temperature.
  • the preset temperature may be one or more temperature values.
  • the current operating temperature is compared with the preset temperature.
  • the controller can determine the environment in which the clothes in the inner tub are located according to the comparison result. Temperature status, and then adjust the forward and reverse time accordingly to adjust the forward and reverse switching frequency.
  • the control method of the present invention can correct the forward rotation time and the reverse rotation according to the current working temperature of the inner cylinder Adjust the time adaptively to match the appropriate forward rotation time and reverse rotation time for different temperature environments, so as to ensure the drying effect while also taking into account the energy-saving purpose, and can also avoid frequent forward and reverse switching for a long time. And cause the clothing to wear, thereby playing the role of clothing protection.
  • FIG. 2 is a second schematic flowchart of a control method of a clothes dryer according to an embodiment of the present invention.
  • the preset temperature includes a first preset temperature and a second preset temperature, where the first preset temperature is greater than the second preset temperature, and the reference working mode is forward
  • the time is not equal to the reversal time.
  • the method includes:
  • the present invention uses the absolute value of the difference between the forward rotation time and the reverse rotation time to measure the single rotation period of the inner cylinder Anti-winding effect. Specifically, in a single rotation cycle, the closer the forward rotation time and the reverse rotation time, the better the anti-winding effect, that is, the smaller the absolute value of the difference between the two, the better the anti-winding effect. In the case where the forward rotation time and the reverse rotation time are the same, the rotation of the inner cylinder can play the most ideal unwinding effect, at this time, the clothes in the inner cylinder are not easily entangled.
  • the preset temperature includes two temperature values, that is, the first preset temperature and the second preset temperature, the two temperature nodes divide the temperature into three temperature intervals, that is, the reference temperature interval (T 2 ⁇ T ⁇ T 1 ), high temperature interval (T> T 1 ) and low temperature interval (T ⁇ T 2 ).
  • the reference temperature interval is used as a standard to measure the temperature. Since the temperatures in the high temperature interval are greater than the maximum value T1 of the reference temperature interval, it means that the ambient temperature of the laundry is higher and it is reduced on the basis of the reference working mode.
  • the sum of the forward rotation time and the reverse rotation time can increase the forward and reverse switching frequency of the inner drum, so that the clothes can be shaken better to avoid the phenomenon of local temperature accumulation of the clothes, so that the clothes can be dried evenly. And it can save the drying time and improve the drying efficiency while ensuring the drying effect.
  • 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, so that the clothes are not easily entangled, and further guarantee the drying effect.
  • the time and reverse time can reduce the forward and reverse switching frequency of the inner cylinder. In this way, the impact and waste of energy consumption caused by the frequent commutation of the motor can be avoided.
  • the reduction in 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 laundry can be uniformly dried even when the forward and reverse switching frequency becomes smaller.
  • the forward rotation time and the reverse rotation time in the reference working mode are equal, at this time, the rotation of the inner cylinder can already play the most ideal unwinding effect. Therefore, according to the current Adjust the sum of forward time and reverse time by working temperature, and keep forward time and reverse time equal at the same time, that is, reduce forward time and reverse time in equal proportion. It can be understood that even in the case where the forward rotation time and the reverse rotation time in the reference working mode are not equal, it is possible to adjust only the sum of the forward rotation time and the reverse rotation time while keeping the absolute value of the difference between the two unchanged.
  • the preset temperature includes not only the first preset temperature T 1 and the second preset temperature T 2 , but also the third preset temperature T 3 and the fourth preset temperature T 4 , where, The third preset temperature T 3 is greater than the first preset temperature T 1 , and the fourth preset temperature T 4 is less than the second preset temperature T 2 .
  • the method includes:
  • These four temperature nodes further subdivide the temperature into five temperature intervals, namely the reference temperature interval (T 2 ⁇ T ⁇ T 1 ), the first temperature interval (T ⁇ T 3 ) and the second temperature interval (T 1 ⁇ T ⁇ T 3 ), the third temperature interval (T 4 ⁇ T ⁇ T 2 ), and the fourth temperature interval (T ⁇ T 4 ).
  • the forward time and reverse time of each temperature interval are fixed.
  • the sum of the forward rotation time and the reverse rotation time in the reference temperature interval (T 2 ⁇ T ⁇ T 1 ) are the first total, the second total, the third total, the fourth total, and the reference total.
  • the absolute values of the difference between the forward and reverse times in the reference temperature range (T 2 ⁇ T ⁇ T 1 ) are the first absolute value, the second absolute value, the third absolute value, the fourth absolute value, and the reference Absolute value.
  • the sum of the forward and reverse times of each section from large to small is: first sum ⁇ second sum ⁇ base sum ⁇ third sum ⁇ fourth sum.
  • the absolute value of the difference between the forward and reverse time in each interval from large to small is: base sum> second sum ⁇ 1st sum; benchmark sum> 3rd sum ⁇ 4th sum. It can be understood that, when the reference sum is zero, that is, when the forward rotation time and the reverse rotation time in the reference operating mode are equal, the absolute value of the difference between the forward rotation time and the reverse rotation time in each section is zero.
  • the difference between the first preset temperature and the third preset temperature, and between the second preset temperature and the fourth preset temperature is 10 °C to 20 ° C.
  • the first preset temperature is 60 ° C
  • the second preset temperature is 50 ° C
  • the third preset temperature is 70 ° C
  • the fourth preset temperature is 40 ° C.
  • the setting of the third preset temperature and the fourth preset temperature can further refine the above high temperature interval and low temperature interval, so that the original three temperature intervals are subdivided into five temperature intervals and each temperature interval Corresponding setting has its own forward rotation time and reverse rotation time. With this setting, it is possible to allow the dryer to more accurately control the rotation of the inner cylinder according to temperature changes.
  • 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, where both the forward rotation time and the reverse rotation time of the high temperature interval will vary with the temperature. Increase and decrease; the forward time and reverse time of the low temperature interval will increase as the temperature decreases.
  • the preset temperature may be one or more.
  • the preset temperature is 50 ° C.
  • the drying parameter of the reference working mode is directly As the drying parameter of the current working mode.
  • both the forward rotation time and the reverse rotation time in the reference working mode are reduced to increase the forward and reverse switching frequency of the inner cylinder.
  • a person skilled in the art 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 actual needs, as long as energy saving and clothing protection can be achieved while ensuring the drying effect That's it.
  • the reference work mode is a preset default work mode, and the dryer may only be provided with a unique reference work mode.
  • the dryer can also preset multiple reference working modes for different scenarios, and then automatically select the corresponding reference working mode according to the specific application scenario.
  • FIG. 3 is a schematic flowchart of determining a reference working mode according to an embodiment of the present invention. As shown in FIG. 3, in a preferred embodiment, the step of determining the reference working mode includes:
  • Step S01 Determine the temperature tolerance of all laundry to be dried.
  • Step S02 Select the laundry with the smallest temperature tolerance among all the laundry to be dried as the reference laundry.
  • Step S03 Determine the reference working mode according to the reference clothing.
  • the temperature tolerance here refers to a standard that can evaluate the maximum temperature that the clothing can withstand.
  • the temperature tolerance of the denim jacket is greater than the temperature tolerance of the silk shirt, which means Under the high temperature environment, silk is easier to damage than denim.
  • the performance form of temperature tolerance can be a dimensionless value (such as the temperature tolerance value), or the maximum temperature value that the clothes can withstand is directly used as a measure of temperature tolerance, the higher the maximum temperature that the clothes can withstand , The stronger its temperature tolerance.
  • the method of determining the temperature tolerance can be determined by referring to different information, as long as the maximum temperature that different clothes can withstand can be determined.
  • the temperature tolerance of clothing mainly depends on the material of the clothing. For example, the temperature tolerance of cotton and linen clothing is usually higher than that of silk clothing.
  • the temperature resistance capability of the clothing may be determined through the material information of the clothing.
  • the controller of the clothes dryer pre-stores the material information of the clothes and the temperature tolerance value corresponding to the various material information.
  • the RFID identification module of the dryer will automatically obtain the material information of all the clothes to be dried in the inner drum and send the clothes information to the controller.
  • the controller extracts the material information from it and confirms that each material information corresponds Temperature tolerance.
  • the evaluation criteria for temperature tolerance can be not limited to material information.
  • the temperature tolerance can also be comprehensively evaluated based on information such as the thickness, area, density, color, etc. of the clothing. Set the evaluation standard and acquisition method of temperature tolerance in the application.
  • step S02 and step S03 after the temperature tolerance of all laundry to be washed is obtained, the laundry with the weakest temperature tolerance is used as the reference laundry, and then the reference work mode is determined according to the reference laundry, that is, damage to all laundry is selected The smallest benchmark working mode.
  • the method of determining the reference working mode through this weakening principle can select a drying mode that minimizes damage to all laundry, so as to avoid damage to all laundry to be dried to the maximum extent under the premise of ensuring the drying effect.
  • control method of the clothes 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 of the current working temperature and the preset temperature, so that Match the appropriate forward rotation time and reverse rotation time for different temperature environments, so that while achieving a good drying effect, it can also take into account energy saving and clothing protection.

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  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

一种干衣机及其控制方法，所述控制方法包括：检测内筒的当前工作温度（S10）；比较所述当前工作温度与预设温度，并根据比较结果选择性地调整基准工作模式的烘干参数以作为当前工作模式的烘干参数（S20）；其中，所述烘干参数包括正转时间和反转时间。所述干衣机的控制方法可以根据实时监控到的内筒的温度来调整正转时间和反转时间，为不同的温度环境匹配到合适的正转时间和反转时间，从而在保证烘干效果的同时还能够兼顾节能和衣物保护。

Description

干衣机及其控制方法 技术领域
本发明涉及干衣机技术领域，具体涉及一种干衣机及其控制方法。
背景技术
现有的干衣机在烘干衣物的过程中，滚筒都朝同一方向旋转。在衣物烘干过程中，滚筒旋转方向相同往往导致筒内衣物缠绕，这样不仅容易导致衣物起皱，而且高温气流仅能从缠绕的衣物表面经过而难以进入衣物的内部，从而导致衣物干燥的速度缓慢。而且，缠绕在内部的衣物不容易烘干，容易造成烘干不均，出现烘干结束时内部衣物仍然潮湿的情况。
针对上述问题，申请号为201410059235.8、发明名称为《一种干衣机及其控制方法》的中国发明专利提供了一种能够正反双向旋转的干衣机及其控制方法，该方法通过控制双向转动电机带动滚筒以实现正反向转动，从而有效避免了烘干过程中衣物的缠绕。但是该方法的滚筒在正反向转动过程中始终是保持着固定的正转时间和反转时间且通常滚筒的正反转切换频率较高，因此这样的设置存在如下的缺点：如当滚筒内温度较低时，此时不容易出现局部温度聚集现象,若是仍然频繁地进行正反转切换，不仅会导致整机的能耗升高，也容易造成衣物磨损。
相应地，本领域需要一种新的干衣机的控制方法来解决上述问题。
发明内容
为了解决现有技术中的上述问题，即现有的干衣机的滚筒在进行正反转切换时由于正转时间和反转时间固定而可能导致的整机能耗升高、衣物容易发生磨损等问题，本发明一方面提供了一种干衣机的控制方法，所述干衣机包括内筒，所述控制方法包括：检测所述 内筒的当前工作温度；比较所述当前工作温度与预设温度，并根据比较结果选择性地调整基准工作模式的烘干参数以作为当前工作模式的烘干参数；其中，所述烘干参数包括正转时间和反转时间。
在上述控制方法的优选技术方案中，所述预设温度包括第一预设温度，“比较所述当前工作温度与预设温度，并根据比较结果选择性地调整基准工作模式的烘干参数以作为当前工作模式的烘干参数”的具体步骤包括：在所述当前工作温度大于所述第一预设温度的情况下，调整基准工作模式的烘干参数以使得正转时间和反转时间的总和减小且两者的差值的绝对值减小或不变。
在上述控制方法的优选技术方案中，所述预设温度包括第三预设温度，所述第三预设温度大于所述第一预设温度；大于等于所述第三预设温度的温度区间为第一温度区间，在所述当前工作温度处于所述第一温度区间时，正转时间和反转时间的差值的绝对值为第一绝对值，正转时间和反转时间的总和为第一总和；大于所述第一预设温度且小于第三预设温度的温度区间为第二温度区间，在所述当前工作温度处于所述第二温度区间时，正转时间和反转时间的差值的绝对值为第二绝对值，正转时间和反转时间的总和为第二总和；“在所述当前工作温度大于所述第一预设温度的情况下，调整基准工作模式的烘干参数以使得正转时间和反转时间的总和减小且两者的差值的绝对值减小或不变”的具体步骤包括：所述第一总和小于所述第二总和且所述第一绝对值小于等于所述第二绝对值。
在上述控制方法的优选技术方案中，所述预设温度包括第二预设温度且所述第一预设温度大于所述第二预设温度；“比较所述当前工作温度与预设温度，并根据比较结果选择性地调整基准工作模式的烘干参数以作为当前工作模式的烘干参数”的具体步骤包括：在所述当前工作温度小于所述第二预设温度的情况下，调整基准工作模式的烘干参数以使得正转时间和反转时间的总和增加且两者的差值的绝对值减小或不变。
在上述控制方法的优选技术方案中，所述预设温度包括第四预设温度，所述第四预设温度小于所述第二预设温度；大于所述第四预设温度且小于所述第二预设温度的温度区间为第三温度区间，在 所述当前工作温度处于所述第三温度区间时，正转时间和反转时间的差值的绝对值为第三绝对值，正转时间和反转时间的总和为第三总和；小于等于所述第四预设温度的温度区间为第四温度区间；在所述当前工作温度处于所述第温度四区间时，正转时间和反转时间的差值的绝对值为第四绝对值，正转时间和反转时间的总和为第四总和；“在所述当前工作温度小于所述第二预设温度的情况下，调整基准工作模式的烘干参数以使得正转时间和反转时间的总和增加且两者的差值的绝对值减小或不变”的具体步骤包括：所述第四总和小于所述第三总和且所述第四绝对值小于等于所述第三绝对值。
在上述控制方法的优选技术方案中，“根据所述当前工作温度调整预设的基准工作模式的烘干参数”的具体步骤包括：在所述当前工作温度大于等于第二预设温度且小于等于第一预设温度的情况下，直接将所述基准工作模式的烘干参数作为当前工作模式的烘干参数。
在上述控制方法的优选技术方案中，所述第一预设温度与所述第三预设温度之间的差值范围为10℃至20℃；并且/或者所述第二预设温度与所述第四预设温度之间的差值范围为10℃至20℃。
在上述控制方法的优选技术方案中，所述基准工作模式根据如下步骤确定：确定所有待烘干衣物的温度耐受能力；选取所有待烘干衣物中温度耐受能力最小的衣物为基准衣物；根据所述基准衣物确定所述基准工作模式。
在上述控制方法的优选技术方案中，“确定所有待烘干衣物的温度耐受能力”的步骤包括：获取所有待烘干衣物的材质信息；根据所述材质信息确定所有待烘干衣物的温度耐受能力。
本发明的干衣机的控制方法以基准工作模式作为默认的工作模式，根据当前工作温度与预设温度的比较结果选择性地调整基准工作模式下的正转时间和反转时间以作为当前工作模式的烘干参数。通过这种方式，干衣机可以根据衣物的实际状态调整正转时间和反转时间，具体而言，干衣机可以根据衣物所处的环境温度，即内筒的当前工作温度来合理地调整正转时间和反转时间，为不同的衣物状态匹 配合适的正转时间和反转时间，从而在保证烘干效果的同时还能够兼顾整机能耗和保护衣物的完好性。
本发明另一方面提供了一种干衣机，所述干衣机包括控制器，所述控制用于执行上述方案中任一项所述干衣机的控制方法。
需要说明的是，该干衣机具有前述的干衣机的控制方法的所有技术效果，在此不再赘述。
附图说明
下面参照附图来描述本发明的干衣机控制方法。附图中：
图1为本发明的一种实施例的干衣机的控制方法的流程示意图一；
图2为本发明的一种实施例的干衣机的控制方法的流程示意图二；
图3为本发明的一种实施例的确定基准工作模式的流程示意图。
具体实施方式
下面参照附图来描述本发明的优选实施方式。本领域技术人员应当理解的是，这些实施方式仅仅用于解释本发明的技术原理，并非旨在限制本发明的保护范围。例如，尽管本申请中按照特定顺序描述了本发明的方法的各个步骤，但是这些顺序并不是限制性的，在不偏离本发明的基本原理的前提下，本领域技术人员可以按照不同的顺序来执行所述步骤。
本发明的干衣机包括外筒、设置于外筒内的内筒、加热系统、送风系统以及双向转动电机和控制系统。其中，送风系统将由加热系统加热的高温空气送入内筒以烘干内筒中的衣物，控制器通过控制双向转动电机带动内筒相对于外筒正反转动以使得内筒中的衣物能够均匀分散。干衣机还配置有温度检测单元，该温度检测单元用于检测内筒的当前工作温度(即内筒中衣物所处的环境温度)并发送给控制系统，控制系统通过当前工作温度来调整双向转动电机的正转时间和反转时间，进而实现内筒的正反转时间的调整。
参照图1，图1为本发明的一种实施例的干衣机的控制方法的流程示意图一。基于上述结构的干衣机，本发明还提供了一种干衣机的控制方法，如图1所示，该方法主要包括如下步骤：
S10：检测内筒的当前工作温度。
S20：将当前工作温度与预设温度进行比较，并根据比较结果选择性地调整基准工作模式的烘干参数以作为当前工作模式的烘干参数。
在上述步骤S20中，基准工作模式作为预先设定的默认的工作模式，其烘干参数包括正转时间和反转时间。本发明的控制方法的调整对象主要是烘干参数中的正转时间和反转时间，需要说明的是，这里的正转时间和反转时间指的是单个转动周期中的正转时间和反转时间。在整个烘干进程中，双向转动电机会控制内筒重复该转动周期。在其他条件不变的情况下，正转时间和反转时间的总和的减小会使得转动周期的时长缩短，也就意味着内筒的正反转切换频率的增大。频繁的转向的切换能够很好地对衣物进行抖散，从而提高衣物的烘干效果。
本发明的控制方法设定有预设温度，预设温度可以为一个或多个温度值，将当前工作温度与预设温度进行比较，控制器根据比较结果可以判断出内筒中衣物所处的环境温度状态，然后相应地调整正转时间和反转时间以调整正反转切换频率。
相较于现有的为了保证烘干效果而在整个烘干进程保持高频率的正反转切换的设置方式，本发明的控制方法能够根据内筒的当前工作温度来对正转时间和反转时间进行适应性调整，为不同的温度环境匹配到合适的正转时间和反转时间，从而在保证烘干效果的同时还能兼顾节能目的，并且也能避免由于长时间频繁的正反转切换而造成衣物磨损，从而起到衣物保护的作用。
参照图2，图2为本发明的一种实施例的干衣机的控制方法的流程示意图二。如图2所示，在一种可能的实施方式中，预设温度包括第一预设温度和第二预设温度，其中第一预设温度大于第二预设温度，基准工作模式的正转时间与反转时间不相等。所述方法包括：
S1：检测内筒的当前工作温度。
S2：比较当前工作温度T与第一预设温度T 1和第二预设温度T 2的大小：
S21：在T 2≤T≤T 1的情况下，直接将基准工作模式的烘干参数作为当前工作模式的烘干参数。
S22：在T＞T 1的情况下，调整基准工作模式的烘干参数以使得正转时间和反转时间的总和减小且两者的差值的绝对值减小，将调整后的正转时间和反转时间作为当前工作模式的烘干参数。
S23：在T＜T 2的情况下，调整基准工作模式的烘干参数以使得正转时间和反转时间的总和增加且两者的差值的绝对值减小，将调整后的正转时间和反转时间作为当前工作模式的烘干参数。
需要说明的是，考虑到单个转动周期下的正转时间和反转时间可能相等或不等，本发明采用正转时间和反转时间的差值的绝对值来衡量内筒的单个转动周期的防缠绕效果。具体而言，在单个转动周期中，正转时间和反转时间越接近，防缠绕的效果就越好，也就是说，两者的差值的绝对值越小，其防缠绕效果越好。在正转时间和反转时间相同的情况下，内筒的转动可以起到最理想的解缠绕效果，此时内筒内的衣物不易纠缠在一起。
在上述示例中，预设温度包括两个温度值，即第一预设温度和第二预设温度，这两个温度节点将温度划分为三个温度区间，即基准温度区间(T 2≤T≤T 1)，高温区间(T＞T 1)和低温区间(T＜T 2)。其中，基准温度区间作为衡量温度高低的标准，由于高温区间内的温度均大于基准温度区间的最大值T1，也就意味着衣物所处的环境温度较高，在基准工作模式的基础上减小正转时间和反转时间的总和可以增大内筒的正反转切换频率，这样一来，可以更好地抖散衣物以避免衣物出现局部温度聚集的现象，使得衣物能够被均匀烘干，并且在保证烘干效果的同时还能节省烘干时间，提高烘干效率。正转时间和反转时间的差值的绝对值的减小可以提高防缠绕效果，从而使衣物不容易纠缠在一起，进一步地保证了烘干效果。
由于低温区间内的温度均小于基准温度区间的最大值T 2，在低温区间内衣物不容易产生局部热量聚集现象，此时内筒无需频繁地切换转向，在基准工作模式的基础上增大正转时间和反转时间可以 减小内筒的正反转切换频率，这样一来，可以避免电机频繁换向造成的冲击和能耗浪费。正转时间和反转时间的差值的绝对值的减小可以提高防缠绕效果，从而即使在正反转切换频率变小的情况下也能保证衣物能被均匀烘干。
需要说明的是，在一些可能的实施方式中，基准工作模式下的正转时间和反转时间相等，此时，内筒的转动已经可以起到最理想的解缠绕效果，因此，在根据当前工作温度来调整正转时间和反转时间的总和的同时始终保持正转时间和反转时间相等，即等比例减小正转时间和反转时间即可。可以理解的是，即使在基准工作模式下的正转时间和反转时间不相等的情况下，也可以仅调整正转时间和反转时间的总和而保持两者的差值绝对值不变。
在一种优选的实施方式中，预设温度不仅包括第一预设温度T 1、第二预设温度T 2，还包括第三预设温度T 3和第四预设温度T 4，其中，第三预设温度T 3大于第一预设温度T 1，第四预设温度T 4小于第二预设温度T 2。所述方法包括：
这四个温度节点将温度进一步细分为五个温度区间，分别是基准温度区间(T 2≤T≤T 1)，第一温度区间(T≥T 3)和第二温度区间(T 1＜T＜T 3)、第三温度区间(T 4＜T＜T 2)和第四温度区间(T≤T 4)。每个温度区间的正转时间和反转时间均为固定不变的。
第一温度区间(T≥T 3)、第二温度区间(T 1＜T＜T 3)、第三温度区间(T 4＜T＜T 2)和第四温度区间(T≤T 4)以及基准温度区间(T 2≤T≤T 1)下的正转时间和反转时间的总和分别为第一总和、第二总和、第三总和、第四总和以及基准总和。
第一温度区间(T≥T 3)、第二温度区间(T 1＜T＜T 3)、第三温度区间(T 4＜T＜T 2)和第四温度区间(T≤T 4)以及基准温度区间(T 2≤T≤T 1)下的正转时间和反转时间的差值的绝对值分别为第一绝对值、第二绝对值、第三绝对值、第四绝对值和基准绝对值。
基于上述定义，各个区间的正转时间和反转时间的总和由大到小分别为：第一总和＜第二总和＜基准总和＜第三总和＜第四总和。
并且在各个温度区间下的正转时间和反转时间均不相等的情况下，各个区间的正转时间和反转时间的差值的绝对值由大到小分别为：基准总和＞第二总和≥第一总和；基准总和＞第三总和≥第四总和。可以理解的是，在基准总和为零，即基准工作模式下的正转时间与反转时间相等的情况下，各个区间的正转时间和反转时间的差值的绝对值均为零。
为了使预设温度得能够划分出合理的温度区间，优选地，第一预设温度与第三预设温度之间、第二预设温度与第四预设温度之间的差值范围为10℃至20℃，如示例性地，第一预设温度为60℃，第二预设温度为50℃，第三预设温度为70℃，第四预设温度为40℃。
可以看出，第三预设温度和第四预设温度的设置可以进一步地细化上述高温区间和低温区间，从而将原有的三个温度区间细分为五个温度区间且每个温度区间对应设置有各自的正转时间和反转时间。通过这种设置，可以允许干衣机根据温度变化对内筒的转动实现更加精准的控制。
这里需要说明的是，虽然基准温度区间内不同温度值的正转时间和反转时间是固定不变的，但是在其他温度区间内不同温度值的正转时间和反转时间可以是固定的，也可以是变化的，本领域技术人员可以根据实际需求对其进行设定以便适应具体的应用场合。如作为一种可能的实施例，预设温度包括两个温度节点，将温度划分为标准温度区间、高温区间和低温区间，其中，高温区间的正转时间和反转时间均会随着温度的增大而减小；低温区间的正转时间和反转时间均会随着温度的减小而增大。
此外，可以理解的是，预设温度可以为一个或多个，如示例性地，预设温度为50℃，在内筒的当前工作温度小于50℃时，直接将基准工作模式的烘干参数作为当前工作模式的烘干参数。在内筒的当前工作温度大于50℃时，使基准工作模式下的正转时间和反转时间均减小以增大内筒的正反转切换频率。本领域技术人员可以根据实际需求对预设温度及预设温度划分出的温度范围对应的正转时间和反转时间进行设定，只要在保证烘干效果的情况下还能实现节能和衣物保护即可。
基准工作模式作为预先设定的默认的工作模式，干衣机可以仅设置有唯一的基准工作模式。当然，干衣机也可以针对不同的场景预设多种基准工作模式，然后根据具体的应用场景自动选择对应的基准工作模式。
参照图3，图3为本发明的一种实施例的确定基准工作模式的流程示意图。如图3所示，在一种优选的实施方式中，确定基准工作模式的步骤包括：
步骤S01：确定所有待烘干衣物的温度耐受能力。
步骤S02：选取所有待烘干衣物中温度耐受能力最小的衣物为基准衣物。
步骤S03：根据基准衣物确定基准工作模式。
在步骤S01中，需要说明的是，这里的温度耐受能力是指能够评价衣物可承受的最高温度的一种标准，如牛仔外套的温度耐受能力大于丝绸衬衣的温度耐受能力，即意味着在高温环境下，丝绸相较于牛仔衣而言更容易损坏。温度耐受能力表现形式可以为无量纲的数值(如称为温度耐受值)，也可以直接用衣物能够承受的最高温度数值作为温度耐受能力的衡量标准，衣物能够承受的最高温度越高，其温度耐受能力就越强。温度耐受能力的确定方式可以参考不同信息确定，只要能确定不同衣物可承受的最高温度即可。
经发明人多次实验、研究得出，衣物的温度耐受能力主要取决于衣物材质，如棉麻材质衣物的温度耐受值通常要比丝绸材质衣物的温度耐受值更高。鉴于此，作为一种可能的实施方式，可以通过衣物的材质信息来确定其温度耐受能力。干衣机的控制器预先存储有衣物的材质信息以及与各类材质信息对应的温度耐受值。在烘干程序启动之后，干衣机配置的RFID识别模块会自动获取内筒中所有待烘干衣物的材质信息并将衣物信息传送至控制器，控制器从中提取材质信息并确认每种材质信息对应的温度耐受值。
需要说明的是，温度耐受能力的评价标准可以不仅限于材质信息，如还可以根据衣物的厚度、面积、密度、颜色等信息来对温度耐受能力进行综合评价，本领域人员可以根据具体的应用场合对温度耐受能力的评价标准和获取方式进行设定。
在步骤S02和步骤S03中，在得到所有待洗涤衣物的温度耐受能力后，将温度耐受能力最弱的衣物作为基准衣物，然后根据基准衣物来确定基准工作模式，即选择对所有衣物损伤最小的基准工作模式。通过这种取弱原则确定基准工作模式的方式可以选择到对所有衣物损伤最小的烘干模式，从而在保证烘干效果的前提下，最大程度地避免对所有待烘干衣物造成损伤。
综上所述，本发明的干衣机的控制方法检测内筒的当前工作温度，然后根据当前工作温度与预设温度的比较结果来调整基准工作模式下的正转时间和反转时间，以便为不同的温度环境匹配到合适的正转时间和反转时间，从而在实现良好的烘干效果的同时还能兼顾节能和衣物保护。
至此，已经结合附图所示的优选实施方式描述了本发明的技术方案，但是，本领域技术人员容易理解的是，本发明的保护范围显然不局限于这些具体实施方式。在不偏离本发明的原理的前提下，本领域技术人员可以对相关技术特征作出等同的更改或替换，这些更改或替换之后的技术方案都将落入本发明的保护范围之内。

Claims (10)

  1. 一种干衣机的控制方法，其特征在于，所述干衣机包括内筒，所述控制方法包括：
    检测所述内筒的当前工作温度；
    比较所述当前工作温度与预设温度，并根据比较结果选择性地调整基准工作模式的烘干参数以作为当前工作模式的烘干参数；
    其中，所述烘干参数包括正转时间和反转时间。
  2. 根据权利要求1所述的控制方法，其特征在于，所述预设温度包括第一预设温度，
    “比较所述当前工作温度与预设温度，并根据比较结果选择性地调整基准工作模式的烘干参数以作为当前工作模式的烘干参数”的具体步骤包括：
    在所述当前工作温度大于所述第一预设温度的情况下，调整基准工作模式的烘干参数以使得正转时间和反转时间的总和减小且两者的差值的绝对值减小或不变。
  3. 根据权利要求2所述的控制方法，其特征在于，所述预设温度包括第三预设温度，所述第三预设温度大于所述第一预设温度；
    大于等于所述第三预设温度的温度区间为第一温度区间，在所述当前工作温度处于所述第一温度区间时，正转时间和反转时间的差值的绝对值为第一绝对值，正转时间和反转时间的总和为第一总和；
    大于所述第一预设温度且小于第三预设温度的温度区间为第二温度区间，在所述当前工作温度处于所述第二温度区间时，正转时间和反转时间的差值的绝对值为第二绝对值，正转时间和反转时间的总和为第二总和；
    “在所述当前工作温度大于所述第一预设温度的情况下，调整基准工作模式的烘干参数以使得正转时间和反转时间的总和减小且两者的差值的绝对值减小或不变”的具体步骤包括：
    所述第一总和小于所述第二总和且所述第一绝对值小于等于所述 第二绝对值。
  4. 根据权利要求1所述的控制方法，其特征在于，所述预设温度包括第二预设温度且所述第一预设温度大于所述第二预设温度；
    “比较所述当前工作温度与预设温度，并根据比较结果选择性地调整基准工作模式的烘干参数以作为当前工作模式的烘干参数”的具体步骤包括：
    在所述当前工作温度小于所述第二预设温度的情况下，调整基准工作模式的烘干参数以使得正转时间和反转时间的总和增加且两者的差值的绝对值减小或不变。
  5. 根据权利要求4所述的控制方法，其特征在于，所述预设温度包括第四预设温度，所述第四预设温度小于所述第二预设温度；
    大于所述第四预设温度且小于所述第二预设温度的温度区间为第三温度区间，在所述当前工作温度处于所述第三温度区间时，正转时间和反转时间的差值的绝对值为第三绝对值，正转时间和反转时间的总和为第三总和；
    小于等于所述第四预设温度的温度区间为第四温度区间；在所述当前工作温度处于所述第温度四区间时，正转时间和反转时间的差值的绝对值为第四绝对值，正转时间和反转时间的总和为第四总和；
    “在所述当前工作温度小于所述第二预设温度的情况下，调整基准工作模式的烘干参数以使得正转时间和反转时间的总和增加且两者的差值的绝对值减小或不变”的具体步骤包括：
    所述第四总和小于所述第三总和且所述第四绝对值小于等于所述第三绝对值。
  6. 根据权利要求1所述的控制方法，其特征在于，“比较所述当前工作温度与预设温度，并根据比较结果选择性地调整基准工作模式的烘干参数以作为当前工作模式的烘干参数”的具体步骤包括：
    在所述当前工作温度大于等于第二预设温度且小于等于第一预设温度的情况下，直接将所述基准工作模式的烘干参数作为当前工作模 式的烘干参数。
  7. 根据权利要求1至6中任一项所述的控制方法，其特征在于，所述第一预设温度与所述第三预设温度之间的差值范围为10℃至20℃；并且/或者
    所述第二预设温度与所述第四预设温度之间的差值范围为10℃至20℃。
  8. 根据权利要求1至6中任一项所述的控制方法，其特征在于，所述基准工作模式根据如下步骤确定：
    确定所有待烘干衣物的温度耐受能力；
    选取所有待烘干衣物中温度耐受能力最小的衣物为基准衣物；
    根据所述基准衣物确定所述基准工作模式。
  9. 根据权利要求8所述的控制方法，其特征在于，“确定所有待烘干衣物的温度耐受能力”的步骤包括：
    获取所有待烘干衣物的材质信息；
    根据所述材质信息确定所有待烘干衣物的温度耐受能力。
  10. 一种干衣机，所述干衣机包括控制器，其特征在于，所述控制器用于执行上述权利要求1至9中任一项所述的干衣机的控制方法。
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