CN113638208A - Clothes dryer crease-resistance control method and clothes dryer - Google Patents
Clothes dryer crease-resistance control method and clothes dryer Download PDFInfo
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- CN113638208A CN113638208A CN202110893257.4A CN202110893257A CN113638208A CN 113638208 A CN113638208 A CN 113638208A CN 202110893257 A CN202110893257 A CN 202110893257A CN 113638208 A CN113638208 A CN 113638208A
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Classifications
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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
- D06F58/44—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of conditioning or finishing, e.g. for smoothing or removing creases
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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
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/18—Condition of the laundry, e.g. nature or weight
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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
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/26—Condition of the drying air, e.g. air humidity or temperature
-
- 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
-
- 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
-
- 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
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
-
- 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
- D06F2103/36—Flow or velocity
-
- 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
- D06F2103/68—Operation mode; Program phase
-
- 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
- D06F2105/44—Opening, closing or locking of doors
-
- 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
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
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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
- D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps
Abstract
The invention discloses a crease-resistance control method of a clothes dryer and the clothes dryer, wherein the clothes dryer comprises a roller and a gas driving device for driving gas in the roller to flow, and the crease-resistance control method of the clothes dryer comprises the following steps: acquiring a crease-resistance instruction; acquiring the load weight in the roller according to a crease-resistance instruction; determining that the load weight is greater than a first preset load, and controlling the roller to rotate in a forward and reverse rotation alternative mode; and determining that the load weight is less than or equal to a first preset load, and controlling the gas driving device to intermittently work at a first preset driving power. The technical scheme of the invention is beneficial to preventing the dried clothes from being wrinkled due to long-time accumulation, and improving the user experience.
Description
Technical Field
The invention relates to the technical field of clothes dryers, in particular to a clothes dryer and a crease-resist control method thereof.
Background
With the development of economy and the improvement of living standard of people, people put forward higher requirements on the clothes dryer of cotton and wool fabrics. The drum dryer realizes the rapid drying of the clothes through the rotation of the drum and the turnover of the lifting ribs. In the prior art, the clothes dryer stops working after drying operation is finished, if no person is at home and takes out clothes in time, the clothes are accumulated for a long time, wrinkles and smell are easy to generate, and clothes drying experience of consumers is influenced.
Disclosure of Invention
The invention mainly aims to provide a clothes dryer crease-resistance control method, which aims to prevent clothes from creasing and improve user experience.
In order to achieve the purpose, the clothes dryer comprises a roller and an air driving device for driving air in the roller to flow, and the crease-resistance control method of the clothes dryer provided by the invention comprises the following steps:
acquiring a crease-resistance instruction;
acquiring the load weight in the roller according to a crease-resistance instruction;
determining that the load weight is greater than a first preset load, and controlling the roller to rotate in a forward and reverse rotation alternative mode;
and determining that the load weight is less than or equal to a first preset load, and controlling the gas driving device to intermittently work at a first preset driving power.
Optionally, the clothes dryer includes a heat generating device, the determining that the load weight is greater than a first preset load, and the step of controlling the drum to rotate in forward and reverse directions alternately includes:
determining that the load weight is greater than a first preset load and less than a second preset load, controlling the roller to rotate forward and backward alternately at a constant speed, and simultaneously controlling the gas driving device to work intermittently at a second preset driving power;
and determining that the load weight is greater than or equal to a second preset load, controlling the roller to rotate in a positive and negative alternate mode at variable speed, simultaneously controlling the gas driving device to work intermittently at a third preset driving power, and controlling the heating device to work intermittently at a preset heating power.
Optionally, the first preset driving power, the second preset driving power and the third preset driving power of the gas driving device are all smaller than the drying driving power of the dryer in a drying state; and/or the preset heating power of the heating device is smaller than the drying heating power of the dryer in a drying state.
Optionally, an air outlet of the drum is provided with a flow velocity sensor, the determined load weight is greater than or equal to a second preset load, and the step of controlling the drum to rotate in a variable-speed forward-reverse alternating manner comprises:
acquiring the wind speed of a drum air outlet;
if the wind speed of the air outlet is determined to be less than or equal to the preset wind speed, the roller is controlled to rotate in a forward and reverse rotation mode at a first variable speed;
if the wind speed of the air outlet is determined to be greater than the preset wind speed, the roller is controlled to rotate in a forward and reverse alternating mode at a second variable speed;
wherein the second speed change is less than the first speed change.
Optionally, the first variable speed is changed according to a rule of a sine curve or a cosine curve, and/or the second variable speed is changed according to a rule of a sine curve or a cosine curve;
wherein the first speed change is V1 and the second speed change is V2;
V1＝100coswt+300r/min，
V2＝100coswt+200r/min。
optionally, the step of obtaining the weight of the load in the drum according to the crease-resistance instruction comprises:
entering a crease-resist mode according to a crease-resist instruction;
acquiring the current of a drum motor at the end of drying in a crease-resist mode;
acquiring the load weight according to the current value;
wherein, the load weight M and the current I of the roller motor satisfy the following relational expression:
I＝0.2807M+1579。
optionally, before the obtaining the wrinkle prevention instruction, the method further includes:
acquiring a drying state instruction;
determining that the drying state instruction is a drying ending instruction;
and acquiring a crease-resist instruction.
Optionally, after the step of determining that the drying state instruction is a drying end instruction, the method further includes:
detecting an operation instruction and starting timing; the operation instruction comprises one or more of a door opening instruction, a panel touch instruction and a wireless control instruction of the clothes dryer;
determining that no operation instruction is detected within a preset time length;
and acquiring a crease-resist instruction.
Optionally, the clothes dryer further comprises a human body detection device, and the clothes dryer is connected to the family internet of things and is in communication connection with the household appliance and the server in the house;
after the step of determining that the drying state instruction is a drying end instruction, the method further comprises:
detecting a user through a human body detection device;
determining that the user is not within the detection range of the dryer;
initiating a request for detecting a user to other household appliances or servers in the Internet of things;
receiving responses of other household appliances or servers for detecting the user;
and sending a prompt request to the household appliance or the server of the detected user according to the response of the detected user, so that the household appliance sends a prompt to the user according to the prompt request.
Optionally, the step of sending a prompt request to the home appliance or the server, where the user request and the user response include status information of the user, and the step of sending a prompt to the home appliance or the server according to the response, so that the home appliance sends the prompt to the user according to the prompt request includes:
acquiring the state information of the user according to the response of the detected user;
generating a timing control instruction for selecting and prompting the timing of the user according to the user state information;
sending a prompt request to other household appliances or servers according to the user state information; the prompt request includes an opportunity control instruction.
The invention further provides a clothes dryer, which comprises a memory, a processor and a program stored on the memory for realizing the clothes dryer crease-resistance control method, wherein the memory is used for storing the program for realizing the clothes dryer crease-resistance control method; the processor is used for executing the program for realizing the clothes dryer crease-resistance control method so as to realize the steps of the clothes dryer crease-resistance control method,
the crease-resist control method of the clothes dryer comprises the following steps:
acquiring a crease-resistance instruction;
acquiring the load weight in the roller according to a crease-resistance instruction;
determining that the load weight is greater than a first preset load, and controlling the roller to rotate in a forward and reverse rotation alternative mode;
and determining that the load weight is less than or equal to a first preset load, and controlling the gas driving device to intermittently work at a first preset driving power.
According to the technical scheme, a crease-resistance instruction is obtained firstly, the clothes dryer enters a crease-resistance state, and then the load weight in the roller is obtained according to the crease-resistance instruction in the crease-resistance state; comparing the obtained current load weight with a first preset load, determining that the load weight is greater than the first preset load, and controlling the roller to rotate in a forward-reverse alternating manner; the method comprises the steps of determining that the weight of a load is smaller than or equal to a first preset load, and controlling the gas driving device to work intermittently at a first preset driving power, so that different crease-resistance strategies can be correspondingly implemented according to the quantity of clothes, so that the crease-resistance ratio is fully improved and the energy is saved while the clothes are prevented from being wrinkled due to long-time placement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a dryer of the present invention;
FIG. 2 is a schematic view showing an internal structure of an embodiment of the dryer of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of a crease-resistance control method of a clothes dryer according to the invention;
FIG. 4 is a schematic structural diagram of another embodiment of a crease-resistance control method for a clothes dryer according to the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention mainly proposes a method for controlling wrinkle resistance of a dryer, which is applied to the dryer, to prevent wrinkles from being generated due to long-time stay in the dryer after clothes are dried. There are many types of clothes dryers, for example, a drum type clothes dryer, which includes a drum 100, wherein the lint fabric to be dried is waiting for the drying object to be in the drum 100, and the drying object moves along with the drum 100 during the rotation of the drum and contacts with flowing high-temperature air, and the high-temperature air takes away moisture on the drying object (the moisture is taken away by evaporation), so that the drying object is dried quickly. The drum 100 dryer includes a drum 100 and a tub 200, and the drum 100 is disposed inside the tub 200 to rotate compared to the tub 200. A heating device is provided at an air inlet of the drum 100 to adjust the temperature of air introduced into the drum 100. The dryer further includes an air driving device 500, and the air driving device 500 is disposed in an air duct of the dryer to draw air inside the drum 100, so that heated air can enter the drum 100 from an air inlet and can be discharged out of the drum 100 from an air outlet of the drum 100. The gas-driven apparatus 500 may be in many forms such as a suction pump, a vacuum pump, etc. Of course, in some embodiments, in order to avoid discharging a large amount of hot and humid air directly into the room, a condenser 600 and a condensing fan 700 are provided at the position of the air outlet 320, the hot and humid air passes through the condenser 600, and the condensing fan 700 cools the condenser 600, so that the hot and humid air is cooled down in temperature and humidity while passing through the condenser 600.
The following will mainly describe the specific steps of the crease-resistance control method of the clothes dryer.
Referring to fig. 1 to 3, in an embodiment of the present invention, the clothes dryer includes a drum 100 and a gas driving device 500 for driving a gas flow in the drum 100, and the wrinkle preventing control method of the clothes dryer includes the steps of:
s100, acquiring a crease-resist instruction;
s200, acquiring the load weight in the roller 100 according to a crease-resistance instruction;
s300, determining that the load weight is greater than a first preset load, and controlling the roller 100 to rotate in a forward and reverse alternating manner;
and determining that the load weight is less than or equal to a first preset load, and controlling the gas driving device 500 to intermittently work at a first preset driving power.
Specifically, in the present embodiment, after the drying process of the dryer is finished, the laundry still stays in the drum 100, and after the wrinkle preventing instruction is obtained, the dryer enters a wrinkle preventing state to perform wrinkle preventing treatment on the laundry. There may be many ways to obtain the wrinkle-preventing instruction, such as receiving a control instruction of a physical key on the dryer, receiving a wrinkle-preventing instruction sent by a remote controller or other mobile terminals, and of course, in some embodiments, the control instruction inside the dryer may also be triggered by a condition such as a duration. After the wrinkle prevention instruction is acquired, the load weight in the drum 100 is acquired according to the wrinkle prevention cooling. That is, after the wrinkle prevention instruction is acquired, the collection of the weight of the laundry in the drum 100 is started, and of course, in some embodiments, the weight of the laundry in the drum 100 is collected and only needs to be retrieved from the storage device. After the load weight in the drum 100 is obtained, the load weight is compared with the first preset load, and if the load weight is greater than the first preset load, it indicates that there are more clothes, and possibly more clothes. If the load weight is less than or equal to the first predetermined load, it indicates that the clothes are very few, and may be a single piece of clothes.
When it is determined that the load weight is greater than the first preset load, in order to prevent wrinkles of a plurality of clothes and prevent the plurality of clothes from being entangled with each other, the drum 100 is controlled to rotate in the forward direction (reverse direction) and the reverse direction (forward direction) alternately. Of course, there are many ways of forward rotation and reverse rotation, and the rotation speed and the rotation duration of the two rotation ways can be set according to specific working conditions. When it is determined that the weight of the load is less than or equal to the first preset load, in order to prevent the single laundry from wrinkling, the air driving device 500 is controlled to periodically drive the air flow at the first preset driving power, and the air flow passes through the dried laundry or flows over the surface of the dried laundry during the air flow, so as to drive the cloth of the laundry to move and avoid wrinkling.
In the embodiment, firstly, a crease-resistance instruction is obtained, the clothes dryer enters a crease-resistance state, and in the crease-resistance state, the load weight in the drum 100 is obtained according to the crease-resistance instruction; comparing the obtained current load weight with a first preset load, determining that the load weight is greater than the first preset load, and controlling the roller 100 to rotate in a forward-reverse alternating manner; the weight of the load is determined to be less than or equal to a first preset load, and the gas driving device 500 is controlled to intermittently work at the first preset driving power, so that different crease-resistance strategies can be correspondingly implemented according to the quantity of clothes, so that the energy efficiency ratio is fully improved and the energy is saved while the clothes are prevented from being wrinkled due to long-time placement.
There are various specific ways to prevent wrinkles of a plurality of clothes, and the specific way to rotate forward and backward is described below as an example.
The clothes dryer comprises a heating device, the determined load weight is greater than a first preset load, and the step of controlling the drum 100 to rotate in a forward and reverse rotation alternative mode comprises the following steps:
determining that the load weight is greater than a first preset load and less than a second preset load, controlling the roller 100 to rotate forward and backward alternately at a constant speed, and simultaneously controlling the gas driving device 500 to work intermittently at a second preset driving power; and determining that the load weight is greater than or equal to a second preset load, controlling the roller 100 to rotate in a positive and negative alternate mode at variable speed, simultaneously controlling the gas driving device 500 to work intermittently at a third preset driving power, and controlling the heating device to work intermittently at a preset heating power. The second preset driving power is greater than or equal to the first preset driving power, and the third preset driving power is greater than or equal to the second preset driving power.
Specifically, in this embodiment, different strength and different manners of wrinkle prevention are required for different numbers of clothes. And when the current load weight is greater than the first preset load, comparing the current load weight with a second preset load, wherein the second preset load is greater than the first preset load. When the load weight is greater than the first preset load and less than the second preset load, it indicates that the number of the current clothes is a small number of clothes, and at this time, the drum 100 rotates forward and backward alternately at a constant speed, so that the clothes can be scattered and prevented from being wound. Then, the air driving device 500 works at a second preset driving power to comb the clothes, so that the clothes can be effectively prevented from being wrinkled. When it is determined that the current load weight is greater than or equal to the second preset load and the current laundry amount is a large number of laundry, the drum 100 needs to rotate in a variable speed manner to break up the laundry to avoid tangling. Meanwhile, the gas driving device 500 is controlled to intermittently work at the third preset driving power, and the heating device is controlled to intermittently work at the preset heating power, so that better combing and ironing of clothes by gas flow are facilitated, and wrinkles of a plurality of pieces of clothes can not occur even if the plurality of pieces of clothes are accumulated for a long time. The positive and negative alternate rotation of the speed change means that the positive rotation and the negative rotation of the roller are alternately performed, wherein the positive rotation and the negative rotation are both variable speed rotation, and the positive rotation acceleration, the positive rotation deceleration, the negative rotation acceleration, the negative rotation deceleration and the like can be performed. The form of the speed change can be many, such as sine speed change, cosine speed change, or change according to other types of curves.
As described above, when a plurality of clothes are determined to be contained in the drum 100, the clothes are subdivided according to the number of the clothes, and different wrinkle preventing measures are performed according to different amounts, so that the wrinkle preventing efficiency is ensured and the energy efficiency ratio is improved.
It is worth to be noted that the first preset driving power, the second preset driving power and the third preset driving power of the gas driving device 500 are all smaller than the drying driving power in the drying state of the dryer; and/or the preset heating power of the heating device is smaller than the drying heating power of the dryer in a drying state. That is, in the wrinkle prevention state, the preset driving power of the gas driving device 500 is smaller than the drying driving efficiency in the drying state of the dryer; the preset heating power of the heating device is smaller than the drying heating power in the drying state. Therefore, the clothes can be prevented from being damaged due to over-drying.
In some embodiments, in order to avoid the phenomenon that the laundry blocks the air outlet 320 of the drum 100 to cause an environmental disturbance in the drum 100 and damage the laundry, the air outlet 320 of the drum 100 is provided with a flow rate sensor 800, the determining that the load weight is greater than or equal to the second preset load, and the controlling the drum 100 to rotate in the variable-speed forward and reverse alternating directions includes:
acquiring the wind speed of the air outlet 320 of the roller 100;
if the wind speed of the wind outlet 320 is determined to be less than or equal to the preset wind speed, controlling the roller 100 to rotate in a forward and reverse alternating manner at a first variable speed;
if the wind speed of the wind outlet 320 is determined to be greater than the preset wind speed, controlling the roller 100 to rotate in a forward and reverse rotation alternative mode at a second variable speed;
wherein the second speed change is less than the first speed change.
Specifically, in this embodiment, the air speed sensor disposed at the air outlet 320 of the drum 100 is used to detect the air outlet speed of the air outlet 320 of the drum 100. When the wind speed of the wind outlet 320 is less than or equal to the preset wind speed, it indicates that the current wind outlet 320 is blocked, and the blocked area is large, and the clothes can be separated from the wind inlet 310 only by the "violent" rotation and speed change (the first speed change), so that the wind inlet 310 is smooth. When the wind speed of the wind outlet 320 is greater than the preset wind speed, it is indicated that the current wind outlet 320 is not shielded or is shielded less, at this time, the position of the clothes does not influence the flowing of the airflow to cause great influence, so that the environment in the drum 100 is not influenced greatly, and at this time, the crease-resistance requirement can be met through the relatively 'peaceful' variable speed rotation (the second variable speed).
In some embodiments, in order to further improve the crease-resistance effect of the dryer, the first variable speed is changed according to the law of a sine curve or a cosine curve, and/or the second variable speed is changed according to the law of a sine curve or a cosine curve;
wherein the first speed change is V1 and the second speed change is V2;
V1＝100coswt+300r/min，
V2＝100coswt+200r/min。
specifically, in the present embodiment, by setting the first speed change speed and the second speed change speed to change according to the sine curve or cosine curve, the laundry is turned and shaken along with the rotation of the drum 100, so that the laundry is more easily scattered by the driving of the drum 100. Therefore, the air flow can be more uniform and permeable to iron the clothes, and the clothes wrinkles caused by the winding of the clothes are avoided.
There are many ways to obtain the load weight, and the step of obtaining the load weight in the drum 100 according to the wrinkle prevention command includes:
entering a crease-resist mode according to a crease-resist instruction;
acquiring the current of the motor of the roller 100 at the end of drying in a crease-resist mode;
acquiring the load weight according to the current value;
wherein, the following relation is satisfied between the load weight M and the current magnitude I of the motor of the drum 100:
0.2807M +1579, wherein the working current I is current data collected by an ADC (Analog to Digital Converter), the current data is in positive correlation with the rotation torque of the drum, the larger the rotation torque of the drum is, the larger the current is, the larger the load weight in the drum is, the load weight M is the weight of the object to be dried at the end of drying, and the unit is g, and the relation is obtained by establishing a function model through multiple groups of experimental data for approximation.
Specifically, in the present embodiment, a wrinkle prevention mode is first entered according to a wrinkle prevention command, and in the wrinkle prevention mode, a current of the motor of the drum 100 at the end of a drying mode of the dryer is acquired.
Referring to fig. 4, in some embodiments, to ensure that the drying state is finished before entering the wrinkle-resistant state, the method further includes, before the obtaining the wrinkle-resistant instruction:
s400, acquiring a drying state instruction;
s500, determining that the drying state instruction is a drying ending instruction;
and acquiring a crease-resist instruction.
Specifically, in this embodiment, it is first determined whether the current state is the drying state, and if it is determined that the drying state is finished, the wrinkle prevention instruction may be obtained. And acquiring a drying state instruction, namely acquiring the current state of the clothes dryer, if the clothes dryer is in the drying state, not interfering the work of the clothes dryer, and allowing the clothes dryer to continue to work, and if the drying state is determined to be finished, acquiring a crease-resistance instruction.
Of course, in some embodiments, in order to more accurately perform wrinkle prevention in time, after the step of determining that the drying state command is a drying end command, the method further includes:
detecting an operation instruction and starting timing; the operation instruction comprises one or more of a door opening instruction, a panel touch instruction and a wireless control instruction of the clothes dryer;
determining that no operation instruction is detected within a preset time length;
and acquiring a crease-resist instruction.
Specifically, in the present embodiment, after the drying state is finished, the wrinkle phenomenon does not occur immediately, and the wrinkles do not occur to the laundry after the preset time period, and therefore, after the drying state is finished, the wrinkle preventing process does not need to be performed immediately, but after the preset time period. Meanwhile, within the preset time, whether the user operates the clothes dryer needs to be judged, if the clothes dryer does not receive any operation instruction within the preset time, it is indicated that the user may forget the current state of the clothes dryer or the user is inconvenient to operate the clothes dryer when the user goes out, and at the moment, the clothes dryer enters a crease-resistant state after the preset time. Within the preset time, if a user performs new operation on the clothes dryer, such as opening a door body of the clothes dryer and other physical operations, or the clothes dryer is controlled through a touch panel, or the clothes dryer is controlled through a remote controller and other mobile terminals, it is indicated that the user does not forget the state of the clothes dryer. At this time, the user may have a new demand for the dryer. Of course, if the user has taken out the laundry for drying outside within a preset time period, the wrinkle prevention process is not required.
Referring to fig. 4, in some embodiments, in order to better prompt the user to dry the dried laundry in time, the control trigger may be performed immediately after the drying process or after the drying process is finished for a preset time period. The clothes dryer also comprises a human body detection device, and the clothes dryer is connected to the family Internet of things and is in communication connection with household appliances and a server in a house;
after the step of determining that the drying state instruction is a drying end instruction, the method further comprises:
s600, detecting a user through a human body detection device;
s700, determining that the user is not in the detection range of the clothes dryer;
s800, initiating a request for detecting a user to other household appliances in the Internet of things;
s900, receiving responses of other household appliances for detecting the user;
and S950, sending a prompt request to the household appliance which detects the user according to the response, so that the household appliance sends a prompt to the user according to the prompt request.
The steps of sending a prompt request to the household appliance or the server of the detected user according to the response so that the household appliance sends a prompt to the user according to the prompt request include: acquiring the state information of the user according to the response of the detected user; generating a timing control instruction for selecting and prompting the timing of the user according to the user state information; sending a prompt request to other household appliances or servers according to the user state information; the prompt request includes an opportunity control instruction.
Specifically, in this embodiment, the clothes dryer first detects whether the user is present by itself, and the detection manner may be many, such as by an infrared sensor, a camera, and the like. If the clothes dryer detects that the user is indoors, prompt information can be directly sent to the user, and the prompt information can be light prompt information, sound prompt information, vibration prompt information, short messages and the like. The prompt information can prompt the user in time, and the clothes in the clothes dryer are dried and can be aired. If the dryer does not detect the presence of the user within its detected range, the dryer may request assistance from the server and other home appliances at this time.
The clothes dryer is used as a household appliance and is in communication connection with other household appliances and the server through the Internet of things. Other household appliances may be numerous, such as air conditioners, washing machines, refrigerators, floor sweepers, televisions, electric water heaters, and the like. All household appliances in the house are connected with the server through the Internet of things, and the server can receive and respond to requests sent by the household appliances and can also send the requests to other household appliances and request responses. Of course, in some embodiments, the household appliances can directly perform communication interaction.
When the user is determined not to be in the detection range of the clothes dryer, the clothes dryer can simultaneously send the request for detecting the user to other household appliances, and certainly, the request can also be sent to the server, and then the server sends the request to other household appliances. When the receiver detects the request of the user, the other household appliances start respective detection devices to detect the user in respective ranges. And each household appliance feeds the detected result back to the clothes dryer through a response, and the clothes dryer confirms whether other household appliances detect the user or not according to the response. Of course, in some embodiments, the dryer-initiated request to detect the user, and the response sent back by each household appliance to detect the user, may each include the current status of the user, such as cooking in the kitchen, bathing in the bathroom, resting in the bedroom, and so on. If all the household appliances do not detect the user, the user is out, and the clothes dryer can enter a crease-resist state at the moment. If the household appliances detect the user, a prompt request can be sent to the household appliances which detect the user, so that the corresponding household appliances are requested to prompt the user that the clothes in the clothes dryer are dried and can be aired. Of course, in some embodiments, the timing of prompting may also be selected according to the current state of the user, such as when the user is bathing, the user is reminded after bathing is finished, and such as when the user has a rest in a bedroom, the user is reminded when the user has finished taking a rest and getting up. The priority setting can be carried out on the items of the user and the treated clothes, the priority is higher than the items (sleeping, bathing and the like) of the treated clothes, the user is reminded when the user finishes the current items, the priority is lower than the items (drinking, watching television and the like) of the treated clothes, and the reminding can be carried out when the user carries out the current items. Therefore, the user can be reminded in time, and the current priority items of the user can not be interfered.
Of course, the clothes dryer can enter the crease-resist state according to the actual situation in the time of waiting for prompting the user. If the user has a rest in a bedroom, in a preset time period, if the user does not get up, the user can enter a crease-resistant state to avoid crease of the underwear in the waiting time period.
Of course, in some embodiments, after a preset time period, bacteria are prevented from being generated or peculiar smell is prevented from being generated in the laundry, and the ultraviolet lamp 900 of the dryer may be turned on to sterilize the laundry. Of course, the ultraviolet lamp 900 may be sterilized in various ways, such as continuously turning on the ultraviolet lamp after a preset time period, or periodically turning on the ultraviolet lamp after a preset time period.
The invention also provides a clothes dryer, which comprises a memory, a processor and a program stored on the memory for realizing the clothes dryer crease-resistance control method, wherein the memory is used for storing the program for realizing the clothes dryer crease-resistance control method; the processor is used for executing a program for implementing the dryer crease-resistance control method, the specific scheme of the dryer crease-resistance control method refers to the above embodiments, and the dryer adopts all technical schemes of all the above embodiments, so that the dryer crease-resistance control method at least has all beneficial effects brought by the technical schemes of the above embodiments, and details are not repeated herein. The crease-resist control method of the clothes dryer comprises the following steps: acquiring a crease-resistance instruction; acquiring the load weight in the drum 100 according to a crease-resistance instruction; determining that the load weight is greater than a first preset load, and controlling the roller 100 to rotate in a forward-reverse rotation alternative manner; and determining that the load weight is less than or equal to a first preset load, and controlling the gas driving device 500 to intermittently work at a first preset driving power.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (11)
1. A crease-resist control method of a clothes dryer is characterized in that the clothes dryer comprises a roller and an air driving device for driving air in the roller to flow, and the crease-resist control method of the clothes dryer comprises the following steps:
acquiring a crease-resistance instruction;
acquiring the load weight in the roller according to a crease-resistance instruction;
determining that the load weight is greater than a first preset load, and controlling the roller to rotate in a forward and reverse rotation alternative mode;
and determining that the load weight is less than or equal to a first preset load, and controlling the gas driving device to intermittently work at a first preset driving power.
2. The wrinkle-resistant control method for clothes dryer as claimed in claim 1, wherein said clothes dryer includes a heating means, said determined load weight is greater than a first preset load, and said step of controlling said drum to rotate in forward and reverse rotation alternately comprises:
determining that the load weight is greater than a first preset load and less than a second preset load, controlling the roller to rotate forward and backward alternately at a constant speed, and simultaneously controlling the gas driving device to work intermittently at a second preset driving power;
and determining that the load weight is greater than or equal to a second preset load, controlling the roller to rotate in a positive and negative alternate mode at variable speed, simultaneously controlling the gas driving device to work intermittently at a third preset driving power, and controlling the heating device to work intermittently at a preset heating power.
3. The wrinkle prevention control method of a dryer as claimed in claim 2, wherein the first preset driving power, the second preset driving power and the third preset driving power of the gas driving means are all smaller than the drying driving power in the drying state of the dryer; and/or the preset heating power of the heating device is smaller than the drying heating power of the dryer in a drying state.
4. The wrinkle-resistant control method for clothes dryer as claimed in claim 2, wherein the air outlet of the drum is provided with a flow sensor, the determined load weight is greater than or equal to a second preset load, and the step of controlling the drum to rotate in forward and reverse rotation alternately at variable speed comprises:
acquiring the wind speed of a drum air outlet;
if the wind speed of the air outlet is determined to be less than or equal to the preset wind speed, the roller is controlled to rotate in a forward and reverse rotation mode at a first variable speed;
if the wind speed of the air outlet is determined to be greater than the preset wind speed, the roller is controlled to rotate in a forward and reverse alternating mode at a second variable speed;
wherein the second speed change is less than the first speed change.
5. The clothes dryer crease-resistant control method according to claim 4, characterized in that the first variable speed is changed according to the law of a sine curve or a cosine curve, and/or the second variable speed is changed according to the law of a sine curve or a cosine curve;
wherein the first speed change is V1 and the second speed change is V2;
V1＝100coswt+300r/min，
V2＝100coswt+200r/min。
6. the wrinkle control method of clothes dryer according to any one of claims 1 to 5, wherein the step of obtaining the weight of the load in the drum according to the wrinkle prevention command comprises:
entering a crease-resist mode according to a crease-resist instruction;
acquiring the current of a drum motor at the end of drying in a crease-resist mode;
acquiring the load weight according to the current value;
wherein, the load weight M and the current I of the roller motor satisfy the following relational expression:
I＝0.2807M+1579。
7. the crease-resistance control method of clothes dryer according to any one of claims 1 to 5, characterized by further comprising, before said obtaining crease-resistance instruction:
acquiring a drying state instruction;
determining that the drying state instruction is a drying ending instruction;
and acquiring a crease-resist instruction.
8. The wrinkle prevention control method of a clothes dryer as claimed in claim 7, further comprising, after the step of determining that the drying state command is a drying end command:
detecting an operation instruction and starting timing; the operation instruction comprises one or more of a door opening instruction, a panel touch instruction and a wireless control instruction of the clothes dryer;
determining that no operation instruction is detected within a preset time length;
and acquiring a crease-resist instruction.
9. The clothes dryer crease-resistance control method of claim 7, wherein the clothes dryer further comprises a human body detection device, the clothes dryer is connected to a family Internet of things and is in communication connection with other household appliances and a server;
after the step of determining that the drying state instruction is a drying end instruction, the method further comprises:
detecting a user through a human body detection device;
determining that the user is not within the detection range of the dryer;
initiating a request for detecting a user to other household appliances or servers in the Internet of things;
receiving responses of other household appliances or servers for detecting the user;
and sending a prompt request to the household appliance or the server of the detected user according to the response of the detected user, so that the household appliance sends a prompt to the user according to the prompt request.
10. The wrinkle-resistant control method for clothes dryer as claimed in claim 9, wherein the request for detecting the user and the response for detecting the user contain the status information of the user, and the step of sending a prompt request to the home appliance or the server where the user is detected based on the response so that the home appliance sends a prompt to the user based on the prompt request comprises:
acquiring the state information of the user according to the response of the detected user;
generating a timing control instruction for selecting and prompting the timing of the user according to the user state information;
sending a prompt request to other household appliances or servers according to the user state information; the prompt request includes an opportunity control instruction.
11. A clothes dryer is characterized by comprising a memory, a processor and a program stored on the memory for realizing the clothes dryer crease-resistance control method, wherein the memory is used for storing the program for realizing the clothes dryer crease-resistance control method; the processor is used for executing the program for realizing the clothes dryer crease-resistance control method so as to realize the steps of the clothes dryer crease-resistance control method according to any one of claims 1 to 10.
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