CN116240713A - Clothes dryer control method and clothes dryer - Google Patents
Clothes dryer control method and clothes dryer Download PDFInfo
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- CN116240713A CN116240713A CN202211476019.4A CN202211476019A CN116240713A CN 116240713 A CN116240713 A CN 116240713A CN 202211476019 A CN202211476019 A CN 202211476019A CN 116240713 A CN116240713 A CN 116240713A
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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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/04—Signal transfer or data transmission arrangements
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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
- D06F2103/28—Air properties
- D06F2103/32—Temperature
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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
- D06F2103/38—Time, e.g. duration
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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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- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a control method of a clothes dryer and the clothes dryer, comprising the following steps: acquiring real-time temperature F of the clothes dryer during operation; at run time T max In, comparing the real-time temperature F with the first temperature F 1 Limiting the maximum temperature F max When F is less than F 1 Executing a first drying judging step; when F 1 ≤F≤F max When the first drying judging step is executed, the first drying judging step is executed by half-power circulation heating operation; when F > F max When the circulation is stoppedThe fan is continuously operated to lower the real-time temperature F and maintain the supply of air to the inside. The invention can reduce the influence of the external environment of the clothes dryer on the drying result by utilizing the single temperature sensing bulb, reduce the sensor and the cost, can meet the effects of accurately judging the drying and having overheat protection, and ensures that the clothes dryer has overheat protection, clothes heat preservation and accurate drying judging capability under different working conditions.
Description
Technical Field
The invention relates to the technical field of clothes dryers, in particular to a control method of a clothes dryer and the clothes dryer.
Background
The drum dryer or the dryer can be classified into two types according to the different dehumidifying modes, namely a direct-discharge type and a condensing type, and the condensing type can be classified into a water condensing type and a heat pump condensing type. The direct-discharging type clothes dryer is greatly influenced by external environment (temperature and humidity) in the drying process, is in a water condensation type, is greatly influenced by the temperature of condensed water, and is relatively less influenced by the external environment when the fluctuation of the temperature of the condensed water is small. The heat pump is relatively little affected by the external environment, but is expensive.
The external environment of the direct-exhaust type clothes dryer has a great influence on the drying result, and the common direct-exhaust type clothes dryer directly sucks external air for heating, and the heated air exchanges heat with the inside of the roller to directly blow out damp and hot air. Based on this simple process, when the ambient temperature is too high (the high ambient temperature often means that the ambient humidity is high, and the high temperature arid area may not need the dryer, and the high temperature arid also can not have an influence to this scheme), can reduce drying efficiency, can influence the accuracy of judging the dry.
The common condensing type roller clothes dryer needs at least two temperature sensing bags to be dried, the temperature sensing bags are respectively placed at two ends of a condensing section, the drying is carried out through real-time temperature difference, the direct-discharge type clothes dryer needs a temperature and humidity sensor, the drying is carried out through real-time change of temperature and humidity, and the direct-discharge type clothes dryer which utilizes a single temperature sensing bag on the market cannot accurately dry.
Disclosure of Invention
Aiming at the problem that the clothes dryer cannot accurately judge the drying, the invention provides a control method of the clothes dryer and the clothes dryer, which ensure that the roller clothes dryer has overheat protection, clothes heat preservation and accurate drying judging capabilities under different working conditions (ambient temperature and humidity) by utilizing a single temperature sensing bulb.
In order to achieve the above purpose, the invention adopts the following technical scheme: a control method of a clothes dryer, comprising the steps of:
acquiring real-time temperature F of the clothes dryer during operation, wherein the real-time temperature F is the temperature of an air port or the temperature in a barrel through which external air is blown to the inside after the clothes dryer is circularly heated;
at run time T max In, comparing the real-time temperature F with the first temperature F 1 Limiting the maximum temperature F max Wherein the first temperature F 1 And the limit maximum temperature F max All are preset fixed temperature values:
when F is less than F 1 Executing a first drying judging step;
when F 1 ≤F≤F max When the first drying judging step is executed, the first drying judging step is executed by half-power circulation heating operation;
when F > F max When the circulating heating is stopped, the fan continuously operates to reduce the real-time temperature F and maintain the air supply to the inside until F is less than or equal to F max 。
Preferably, the method further comprises the following steps:
when the real-time running time T is more than or equal to the running time T max Executing the cooling ending step;
when the first drying step is executed, judging whether the real-time temperature F is met or not according to the first drying condition, and continuing normal cycle heating or half-power cycle heating operation when the first drying condition is not met, and executing the cooling ending step if the first drying condition is met;
preferably, the cooling end step includes:
stopping the cyclic heating to cool the real-time temperature F to the door opening temperature F off The door opening temperature F off Is a preset fixed temperature value;
when the real-time temperature F is less than or equal to F off And stopping the operation of the fan and ending.
Preferably, the first drying condition includes:
when the clothes dryer starts to start, the circulating heating is turned off, and the fan runs for a running time T on Acquiring and recording the current temperature as F on ；
Judging the current temperature difference delta F is larger than or equal to K, wherein the current temperature difference delta F=F-F on K is a preset value of F on A first threshold value over an ambient temperature interval:
when F-F on Not less than K, which indicates that the clothes reach a dry state;
when F-F on < K, the laundry is in an undried state.
Preferably, the method further comprises the following steps:
after the clothes dryer starts to operate and circularly heat, the clothes dryer operates at the time T min In, judge whether the real-time temperature F exceeds the limit maximum temperature F max ，
If F is less than F max Then the normal circulation heating operation is continued;
if F is greater than or equal to F max The less loaded clothes drying step is performed.
Preferably, the low load clothes drying step comprises:
stopping cyclic heating to enable the real-time temperature F to start to be cooled, and enabling the fan to normally operate;
the real-time temperature F is reduced to the first temperature F 1 At the beginning, heating is continued for a heating operation time T by half power circulation m The run time T m The fixed time value is preset for the less load clothes drying with less clothes or less water quantity.
When T is greater than or equal to T m And executing the cooling ending step.
On the other hand, the invention also adopts the following technical scheme: a control method of clothes dryer includes the step of drying clothes under high temperature condition:
turning on cyclic heating, at operation time T max In, monitoring whether the real-time temperature F meets a second drying judgment condition:
if the second drying judging condition is not met, the operation is carried out according to the set high-temperature working condition;
if the second drying judging condition is met, executing the continuous clothes drying step for a set time;
when the real-time running time T is more than or equal to the running time T max And executing the cooling ending step.
Preferably, the operation according to the set high-temperature working condition comprises the following steps:
at run time T max In, comparing the real-time temperature F with the first temperature F 1 Limiting the maximum temperature F max Wherein the first temperature F 1 And the limit maximum temperature F max All are preset fixed temperature values;
when F is less than F 1 When the heating device is in a normal circulation heating operation, the heating device continues to perform a normal circulation heating operation;
when F 1 ≤F≤F max When in heating operation with half power cycle;
when F > F max And when the circulating heating is stopped, the fan continuously operates to supply air to the inside.
Preferably, the continuous set time clothes drying step includes:
when the second dry judgment condition is met, acquiring the real-time running time T and determining the closest time gear T x And the time gear T x The time value of (2) satisfies the real-time running time T < time file T x Time value < run time T max Wherein x=1, 2, 3 … … x, the time intervals between adjacent time bins are the same;
and continuously running to a time value calibrated by a time gear Tx according to a set high-temperature working condition, and then executing a cooling ending step.
Preferably, the second drying condition includes:
when the clothes dryer starts to start, the circulating heating is turned off, and the fan runs for a running time T on Acquiring and recording the current temperature as F on ；
Judging that the current temperature difference delta F is larger than or equal to L, wherein the current temperature difference delta F=F-F on L is F under the preset high-temperature working condition on A second threshold value over an ambient temperature interval:
when F-F on Not less than L, indicating that the clothes reach a dry state;
when F-F on < L, the laundry is in an undried state.
Preferably, the method further comprises the following steps:
when the clothes dryer starts to start, the circulating heating is turned off, and the fan runs for a running time T on Acquiring and recording the current temperature as F on ，
At the current temperature F on And a second temperature F 2 Comparing the second temperature F 2 For a preset fixed temperature value used for defining a high-temperature environment temperature threshold value, judging whether the current environment working condition is a high-temperature environment working condition or not:
if F on ＜F 2 Starting a cyclic heating operation, performing a control method of the clothes dryer according to any one of claims 1 to 6;
if F on ≥F 2 And executing the step of drying clothes under the high-temperature working condition.
On the other hand, the invention also adopts the following technical scheme: a clothes dryer includes a memory and a processor that executes a control method of the clothes dryer as described above by calling a control program stored in the memory.
Compared with the prior art, the invention has the following beneficial effects:
the invention can reduce the influence of the external environment of the clothes dryer on the drying result by utilizing the single temperature sensing bulb, reduce the sensor and the cost, can meet the effects of accurately judging the drying and having overheat protection, and ensures the capacities of overheat protection, clothes heat preservation and accurately judging the drying of the clothes dryer under different working conditions (environmental temperature and humidity).
Drawings
For a clearer description of the technical solutions, the drawings that are required to be used in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of the first embodiment or the second embodiment.
Fig. 2 is a schematic flow chart of a third embodiment.
FIG. 3 is a graph showing dry condition of the embodiment.
Detailed Description
In order that the manner in which a fully and completely understood embodiment of the invention may be readily understood, it is intended that the invention be further described in connection with the accompanying drawings, in which it is to be understood that the embodiments described are merely illustrative of some of the invention and that all other embodiments may be made by those skilled in the art without the benefit of the inventive faculty.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Embodiment case one:
as shown in fig. 1, a control method of a clothes dryer includes the steps of:
when the clothes dryer starts to start, the circulating heating is turned off, and the fan runs for a running time T on Acquiring and recording the current temperature as F on Current temperature F on Without being cyclically heated into the dryer, which can be used as an ambient temperature representative of the environment in which the dryer is located, the run time T of this embodiment on 1-5min.
At the current temperature F on And a second temperature F 2 Comparing the second temperature F 2 For a preset fixed temperature value for defining a high temperature ambient temperature threshold, the second temperature F of the present embodiment 2 Setting to 40 ℃ or 45 ℃ for judging the time of the processWhether the pre-ambient condition is a high temperature ambient condition or not, and typically defines an ambient temperature greater than 40 ℃ as the high temperature ambient condition.
Judging whether the current environmental condition is a high-temperature environmental condition, when F on ＜F 2 When the circulation heating operation is started, meanwhile, a temperature sensing bag arranged in the clothes dryer is utilized to obtain real-time temperature F of the clothes dryer in operation, the real-time temperature F is the temperature of an air port or the temperature in a barrel of external air blown to the inside after the circulation heating of the clothes dryer, the circulation heating in the embodiment comprises the positive and negative rotation of a motor and a fan according to a certain rule and a set rotating speed, the electric heating continuously works, and the electric heating continuously works in the embodiment also comprises the intermittent work of the electric heating of part of products according to a certain rule and the like.
Running the cyclic heating, when the real-time running time T reaches the running time T max When T is greater than or equal to T max When the clothes dryer runs for a complete clothes drying period, then the cooling ending step is executed, and the running time T of the embodiment is max For a preset complete drying cycle time, the longest heating operation time is also adopted.
The cooling ending step comprises stopping cyclic heating to cool the real-time temperature F to the door opening temperature F off Wherein the door opening temperature F off For a preset fixed temperature value, the temperature value is slightly higher than the temperature F on The method comprises the steps of carrying out a first treatment on the surface of the When the real-time temperature F is less than or equal to F off And stopping the operation of the fan and ending.
In order to solve the problems that the clothes dryer is dried in an excessively high temperature state and cannot accurately judge the drying and the drying efficiency is low in the operation process, the embodiment provides further improvement in the operation time T max In, comparing the real-time temperature F with the first temperature F 1 Limiting the maximum temperature F max Wherein the first temperature F 1 And the limit maximum temperature F max All have preset fixed temperature values, and in the embodiment, the first temperature F 1 To optimize a fixed temperature value according to energy saving, power consumption and drying efficiency, when the temperature in the barrel reaches the value, the barrel starts to work by halfThe temperature is maintained during the rate circulation heating operation; defining a maximum temperature Fmax as a highest fixed temperature value in a set clothes dryer barrel, and when the temperature in the barrel reaches the highest fixed temperature value, cooling is needed to avoid damaging clothes at high temperature, so as to provide temperature protection for the clothes dryer, wherein the first temperature F 1 < limit maximum temperature F max 。
When F is less than F 1 Executing a first drying judging step;
when F 1 ≤F≤F max When the first drying judging step is executed, the first drying judging step is executed by half-power circulation heating operation;
when F > F max When the circulating heating is stopped, the fan continuously operates to reduce the real-time temperature F and maintain the air supply to the inside until F is less than or equal to F max 。
The first drying judging step comprises judging whether the real-time temperature F is met or not according to a first drying judging condition, continuing normal circulation heating or half-power circulation heating operation when the first drying judging condition is not met, and executing a cooling ending step if the first drying judging condition is met;
the first drying condition comprises:
judging the current temperature difference delta F is larger than or equal to K, wherein the current temperature difference delta F=F-F on K is a preset value of F on The first threshold value in the environmental temperature interval is shown in FIG. 3, the K value meets the curve shown in the figure, the abscissa of the curve in the figure is the environmental temperature, the ordinate is the K value in the corresponding environmental temperature interval, and when the calculated temperature difference DeltaF is more than or equal to the calculated temperature F used for calculating the temperature difference on The K value on the environmental temperature interval, i.e. the temperature difference Δf, is expressed when it is located above the curve in the graph, and the first dry condition is satisfied, specifically:
when F-F on Not less than K, which indicates that the clothes reach a dry state;
when F-F on < K, the laundry is in an undried state.
The first drying condition of the present embodiment may also adopt other drying manners in the prior art, which are mainly used for obtaining a signal for determining whether the clothes are dried, and the other drying manners do not affect the execution steps of the present embodiment.
The embodiment can reduce the influence of the external environment of the clothes dryer on the drying result by utilizing the single temperature sensing bulb, reduce the sensor and the cost, and can meet the effects of accurate drying judgment and overheat protection.
Implementation case two:
the control method of the clothes dryer further comprises the following steps on the basis of the first embodiment:
after the clothes dryer starts to operate and circularly heat, the clothes dryer operates at the time T min In, judge whether the real-time temperature F exceeds the limit maximum temperature F max Wherein the run time T min For a set minimum operating time value for heating to a defined maximum temperature in the minimum operating time, it is possible to obtain a laundry with a low load in the dryer, i.e. with little or very low water content in the dryer, in particular:
if F is less than F max Then the normal circulation heating operation is continued;
if F is greater than or equal to F max Executing a less-load clothes drying step;
the step of drying the clothes with little load comprises the following steps:
stopping the cyclic heating to start the real-time temperature F to be reduced, and enabling the fan to normally operate and the real-time temperature F to be reduced to the first temperature F 1 At the beginning, heating is continued for a heating operation time T by half power circulation m The run time T m For the preset fixed time value of the small-load clothes drying for small clothes or small water quantity, considering that the clothes can be heated to a limited maximum temperature in the shortest time, the clothes dryer is low in load, and the fixed time value is set to run so as to ensure that the small-load clothes can be dried.
When T is greater than or equal to T m And executing the cooling ending step.
In order to cope with the clothes with little water or very low water content, the embodiment ensures that the clothes are not damaged by high temperature, and the taken-out clothes are in a dry state.
Implementation case three:
a control method of clothes dryer includes a high temperature working condition clothes drying step, specific parameter setting refers to embodiment one, and the embodiment is not repeated:
when the clothes dryer starts to start, the circulating heating is turned off, and the fan runs for a running time T on Acquiring and recording the current temperature as F on At the current temperature F on And a second temperature F 2 Comparing, judging whether the current environmental condition is a high temperature environmental condition, when F on ≥F 2 When the clothes dryer is in a high-temperature working condition, the following steps are executed:
turning on cyclic heating, at operation time T max In, monitoring whether the real-time temperature F meets a second drying judgment condition:
if the second drying condition is not met, the method operates according to the set high-temperature working condition, specifically:
at run time T max In, comparing the real-time temperature F with the first temperature F 1 Limiting the maximum temperature F max The following are provided:
when F is less than F 1 When the heating device is in a normal circulation heating operation, the heating device continues to perform a normal circulation heating operation;
when F 1 ≤F≤F max When in heating operation with half power cycle;
when F > F max When the circulating heating is stopped, the fan continuously runs to maintain air supply to the inside;
if the second drying judging condition is met, executing a continuous clothes drying step for a set time, specifically:
acquiring real-time running time T and determining the closest time-frame T x And the time gear T x The time value of (2) satisfies the real-time running time T < time file T x Time value < run time T max Wherein x=1, 2, 3 … … x, the time intervals between adjacent time steps are the same, the operation is continued to the time value calibrated by the time step Tx according to the set high-temperature working condition, and then the cooling ending step is executed.
E.g. time gear T 1 、T 2 、T 3 、T 4 ……T x The time values respectively set are 60min, 70min, 80min and 90min … … min, the second drying judging condition is met when the real-time running time T=75min of the clothes dryer is operated, and the nearest time gear is determined to be T 3 The dryer continues to dry for an additional period of time to 80min, because except for arid areas, high temperature often means high humidity, and high humidity air can reduce the drying efficiency of the dryer, affect the detection of temperature in the drum, and make it misjudge to dry. Considering the main audience of the domestic clothes dryer, the design can improve the user experience mainly in the southeast coastal zone, and the temperature protection exists, so that the air humidity is low and the influence is not too great. And (3) operating for 80 minutes according to the set high-temperature working condition, and then executing the cooling ending step.
When the real-time running time T is more than or equal to the running time T max And executing the cooling ending step.
The second dry-out condition in this embodiment includes:
judging that the current temperature difference delta F is larger than or equal to L, wherein the current temperature difference delta F=F-F on L is F under the preset high-temperature working condition on The second threshold value in the environmental temperature interval, which is set to a K value similar to that of the embodiment, is not repeated, and includes:
when F-F on Not less than L, indicating that the clothes reach a dry state;
when F-F on < L, the laundry is in an undried state.
The embodiment can effectively treat the drying treatment under the high-temperature working condition, and still needs to be dried for a period of time to the nearest time range T under the condition of meeting the second drying condition x And the accuracy of judging dryness is improved, and the user experience is improved.
The above embodiment adopts a single temperature sensing bulb, so that the clothes dryer has the capabilities of overheat protection, clothes heat preservation and accurate drying judgment under different working conditions (ambient temperature and humidity). The embodiment is exemplified by a direct-discharge type clothes dryer, and the invention can be applied to a water-cooled clothes dryer by slightly adjusting part steps under the condition of no need of creative effort according to the type of the actual clothes dryer, for example, the real-time temperature F is changed into the temperature in the washing machine barrel, and then the parameter value is adjusted. At the same time, it can be further optimized to be used for judging the temperature F of the environment on The condensed water inlet temperature is changed, and the water temperature of the water-cooled clothes dryer is the maximum external shadowAnd (5) sounding.
In another aspect, the invention also discloses another embodiment: a clothes dryer includes a memory and a processor that executes a control method of the clothes dryer as in the above embodiments by calling a control program stored in the memory.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In the alternative, the processor and the storage medium may reside as discrete components in a user terminal.
The foregoing disclosure is merely illustrative of one or more of the preferred embodiments of the present invention and is not intended to limit the scope of the invention in any way, as it is intended to cover all modifications, variations, uses, or equivalents of the invention that fall within the spirit and scope of the invention.
Claims (12)
1. A control method of a clothes dryer, comprising the steps of:
acquiring real-time temperature F of the clothes dryer during operation, wherein the real-time temperature F is the temperature of an air port or the temperature in a barrel through which external air is blown to the inside after the clothes dryer is circularly heated;
at run time T max In, comparing the real-time temperature F with the first temperature F 1 Limiting the maximum temperature F max Wherein the first temperature F 1 And the limit maximum temperature F max All are preset fixed temperature values:
when F is less than F 1 Executing a first drying judging step;
when F 1 ≤F≤F max When the first drying judging step is executed, the first drying judging step is executed by half-power circulation heating operation;
when F > F max When the circulating heating is stopped, the fan continuously operates to reduce the real-time temperature F and maintain the air supply to the inside until F is less than or equal to F max 。
2. The method of controlling a clothes dryer according to claim 1, further comprising the steps of:
when the real-time running time T is more than or equal to the running time T max Executing the cooling ending step;
when the first drying judging step is executed, judging whether the real-time temperature F is met or not according to the first drying judging condition, continuing normal circulation heating or half-power circulation heating operation when the first drying judging condition is not met, and executing the cooling ending step if the first drying judging condition is met.
3. The method of controlling a dryer according to claim 2, wherein the cooling ending step includes:
stopping the cyclic heating to cool the real-time temperature F to the door opening temperature F off The door opening temperature F off Is a preset fixed temperature value;
when the real-time temperature F is less than or equal to F off And stopping the operation of the fan and ending.
4. The method of controlling a dryer according to claim 2, wherein the first drying condition includes:
when the clothes dryer starts to start, the circulating heating is turned off, and the fan runs for a running time T on Acquiring and recording the current temperature as F on ；
Judging the current temperature difference delta F is larger than or equal to K, wherein the current temperature difference delta F=F-F on K is a preset value of F on A first threshold value over an ambient temperature interval:
when F-F on Not less than K, which indicates that the clothes reach a dry state;
when F-F on < K, the laundry is in an undried state.
5. The method of controlling a clothes dryer according to claim 1, further comprising the steps of:
after the clothes dryer starts to operate and circularly heat, the clothes dryer operates at the time T min In, judge whether the real-time temperature F exceeds the limit maximum temperature F max ，
If F is less than F max Then the normal circulation heating operation is continued;
if F is greater than or equal to F max The less loaded clothes drying step is performed.
6. The method of controlling a clothes dryer according to claim 5, wherein the low load clothes drying step includes:
stopping cyclic heating to enable the real-time temperature F to start to be cooled, and enabling the fan to normally operate;
the real-time temperature F is reduced to the first temperature F 1 At the beginning, heating is continued for a heating operation time T by half power circulation m The run time T m The fixed time value is preset for the less load clothes drying with less clothes or less water quantity.
When T is greater than or equal to T m And executing the cooling ending step.
7. The control method of the clothes dryer is characterized by comprising the step of drying clothes under a high-temperature working condition:
turning on cyclic heating, at operation time T max In, monitoring whether the real-time temperature F meets a second drying judgment condition:
if the second drying judging condition is not met, the operation is carried out according to the set high-temperature working condition;
if the second drying judging condition is met, executing the continuous clothes drying step for a set time;
when the real-time running time T is more than or equal to the running time T max And executing the cooling ending step.
8. The method of controlling a clothes dryer according to claim 7, wherein the operation according to the set high temperature condition comprises the steps of:
at run time T max In, comparing the real-time temperature F with the first temperature F 1 Limiting the maximum temperature F max Wherein the first temperature F 1 And the limit maximum temperature F max All are preset fixed temperature values;
when F is less than F 1 When the heating device is in a normal circulation heating operation, the heating device continues to perform a normal circulation heating operation;
when F 1 ≤F≤F max When in heating operation with half power cycle;
when F > F max And when the circulating heating is stopped, the fan continuously operates to supply air to the inside.
9. The method of controlling a clothes dryer according to claim 7, wherein the continuously setting time drying step includes:
when the second dry judgment condition is met, acquiring the real-time running time T and determining the closest time gear T x And the time gear T x The time value of (2) satisfies the real-time running time T < time file T x Time value < run time T max Wherein x=1, 2, 3 … … x, the time intervals between adjacent time bins are the same;
and continuously running to a time value calibrated by a time gear Tx according to a set high-temperature working condition, and then executing a cooling ending step.
10. The control method of a clothes dryer of claim 7, wherein: the second drying condition includes:
when the clothes dryer starts to start, the circulating heating is turned off, and the fan runs for a running time T on Acquiring and recording the current temperature as F on ；
Judging that the current temperature difference delta F is larger than or equal to L, wherein the current temperature difference delta F=F-F on L is F under the preset high-temperature working condition on Ring where it is locatedSecond threshold value over the ambient temperature interval:
when F-F on Not less than L, indicating that the clothes reach a dry state;
when F-F on < L, the laundry is in an undried state.
11. The method of controlling a clothes dryer according to claim 7, further comprising the steps of:
when the clothes dryer starts to start, the circulating heating is turned off, and the fan runs for a running time T on Acquiring and recording the current temperature as F on ，
At the current temperature F on And a second temperature F 2 Comparing the second temperature F 2 For a preset fixed temperature value used for defining a high-temperature environment temperature threshold value, judging whether the current environment working condition is a high-temperature environment working condition or not:
if F on ＜F 2 Starting a cyclic heating operation, performing a control method of the clothes dryer according to any one of claims 1 to 6;
if F on ≥F 2 And executing the step of drying clothes under the high-temperature working condition.
12. A clothes dryer comprising a memory and a processor, characterized in that: the processor executes a control method of the clothes dryer according to any one of claims 1 to 11 by calling a control program stored in the memory.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211476019.4A CN116240713A (en) | 2022-11-23 | 2022-11-23 | Clothes dryer control method and clothes dryer |
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| CN202211476019.4A CN116240713A (en) | 2022-11-23 | 2022-11-23 | Clothes dryer control method and clothes dryer |
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| CN202211476019.4A Pending CN116240713A (en) | 2022-11-23 | 2022-11-23 | Clothes dryer control method and clothes dryer |
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