CN112779726A - Clothes material identification method, control method of washing machine and washing machine - Google Patents
Clothes material identification method, control method of washing machine and washing machine Download PDFInfo
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- CN112779726A CN112779726A CN202011641295.2A CN202011641295A CN112779726A CN 112779726 A CN112779726 A CN 112779726A CN 202011641295 A CN202011641295 A CN 202011641295A CN 112779726 A CN112779726 A CN 112779726A
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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
- 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
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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
- D06F2103/02—Characteristics of laundry or load
- D06F2103/06—Type or material
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a clothes material identification method, a control method of a washing machine and the washing machine, wherein the water content of clothes is calculated through secondary weighing; and then determining the material of the clothes according to the moisture content of the clothes and a preset value so as to control the washing machine according to the material of the clothes. On the premise of not increasing hardware cost, the material of clothes in the washing machine can be identified by completely using the existing functions of the washing machine, and then the washing machine is reasonably controlled according to the material of the clothes.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a clothes material identification method, a washing machine control method and a washing machine.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
What cloth clothes are washed by the washing machine directly affect the parameter setting of the washing machine, but often the user can not determine the material of the clothes. At present, in the domestic washing machine industry, the washing machine generally has no cloth quality identification capability and completely depends on manual washing program selection of consumers. This results in an inappropriate selection procedure, which wastes time and energy and damages the laundry.
Disclosure of Invention
The object of the present invention is to solve the above technical problem at least to a certain extent. The purpose is realized by the following technical scheme:
the invention provides a clothes material identification method, and a control method of a washing machine comprises the following steps:
s1, feeding water to completely wet the clothes;
s2, draining water and allowing the clothes to stand until no water drips;
s3, weighing the clothes to obtain a second weighing result;
s4, dehydrating the laundry;
s5, weighing the clothes to obtain a third weighing result;
s6, calculating the moisture content of the clothes according to the second weighing result and the third weighing result;
and S7, determining the material of the clothes according to the moisture content of the clothes and a preset value.
According to the clothes material identification method provided by the embodiment of the invention, the material of clothes in the washing machine can be identified, and further the washing machine is controlled reasonably according to the material of the clothes, so that the method has the following effects:
(1) determining water inflow
In the existing program washing process, water is firstly fed according to a weighing value, then water is supplemented under the actual condition, for certain clothes types with strong water absorption, the water supplementing period is very long, and therefore clothes are not washed under the ideal state in most of time in reality. If the material of the clothes is determined, the clothes are weighed again according to the value m of the first weighing1Proper water is fed at one time, so that the ideal washing water quantity can be ensured more quickly, even if water is supplemented for washing, the water supplementing frequency is less, and the washing effect of the washing machine is greatly improved.
(2) Adjusting the washing time
Because the clothes made of different materials have different required washing time for the same stain, chemical fibers are easy to wash and the washing time is short; the cotton and linen materials are difficult to wash and need longer washing time. Through the clothing material of earlier stage judgement, the suitable washing time of direct matching promotes washing machine's intelligent level.
(3) Adjusting the washing temperature
The washing temperature of the cotton, the hemp and other materials can be not heated to 80 ℃, but the highest washing temperature of the chemical fiber can only reach 60 ℃, and the highest washing temperature of the wool can not exceed 45 ℃ … ….
(4) Adjusting the dewatering speed and dewatering time
The easier clothes made of different materials absorb water, the more difficult the clothes are dehydrated, the higher the required rotating speed is, and the longer the dehydrating time is. Therefore, the dewatering rotating speed and the dewatering time are adjusted according to the test matched cloth, the clothes easy to dewater can not be dewatered for too long time, the clothes difficult to dewater can not be dewatered due to too short dewatering time, and the practicability of the whole set of program is improved.
In some embodiments of the present invention, in step S2, the motor is continuously rotated at a first speed for a first set time to completely wet the laundry.
In some embodiments of the present invention, in step S3, the laundry is left standing for 1 min.
In some embodiments of the present invention, in step S4, the motor continues to rotate at the second speed for a second set time to obtain a second weighing result.
In some embodiments of the present invention, in step S5, the motor rotates continuously at the third speed for a third set time to perform dehydration.
In some embodiments of the present invention, in step S6, the motor continues to rotate at the second speed for a second set time to obtain a third weighing result.
In some embodiments of the present invention, the step S7 further includes: according to the second timeWeighing result m2And the third weighing result m3Calculating the moisture content of the laundry by the following formula, k ═ d2m)/(d2t) wherein m is m2-m3T is the third set time t of the dehydration time3。
In some embodiments of the present invention, before the step S6, the method further includes: and controlling the motor to rotate forward and backward at a fourth speed to drive the washing bucket to shake and disperse the clothes.
In some embodiments of the present invention, the preset value is a plurality of preset values, wherein the plurality of preset values are reference values of moisture content of the clothes made of different materials set in the program.
In order to achieve the above object, a second embodiment of the present invention provides a control method for a washing machine, including the steps of:
weighing the dry laundry to obtain a first weighing result;
determining the material of the clothes according to the clothes material identification method;
and controlling the washing machine according to the material of the clothes.
In order to achieve the above object, a third aspect of the present invention provides a washing machine, including: a washing tub;
a motor connected to the tub;
the weighing module is used for weighing the clothes for the first time, the second time and the third time to obtain a first weighing result, a second weighing result and a third weighing result;
and the control module is respectively connected with the motor and the weighing module and used for acquiring the first weighing result, the second weighing result and the third weighing result, controlling the washing machine to wash the clothes, controlling the washing machine to dewater, calculating the moisture content of the clothes according to the second weighing result and the third weighing result, determining the material of the clothes according to the moisture content of the clothes and a preset value, and controlling the washing machine according to the material of the clothes.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
FIG. 1 is a graph of moisture content change showing the trend of the moisture content of different clothes in a tub over time at the same rotational speed;
fig. 2 schematically shows a flowchart of a control method of a washing machine according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 and 2, according to an embodiment of the present invention, a control method of a washing machine specifically includes:
weighing for the first time;
put clothes in the washing machine barrelThe clothes are weighed out by rotating a motor and continuously operating at the rotating speed of 93rpm for a period of time1. The washing machine has the common function of weighing through the motor, does not need to be additionally configured, and saves the cost.
Identifying the material of the clothes;
the washing machine is fed with L liters of water (the water amount can ensure that the clothes are completely wetted), and the motor drives the tub to slowly rotate at a first speed (preferably 30rpm) for a first set time t1(this time guarantees that the clothing can be completely wet), when the rotation time reaches the set value, begin to drain water and stewing for 1min, this stewing step is used for dripdrying and making the clothing not drip, because do not stew, the water that the follow-up weighing was thrown out can not guarantee to all be thrown out by the washing machine, still some was extruded by gravity. After standing, the influence of gravity can be eliminated. When the standing time reaches the set time, the motor starts to rotate, the motor continuously runs at the rotating speed of a second speed (preferably 93rpm) for the length of a second set time, and the weight m at the moment is weighed2。
The motor then begins to ramp up and operates at a third speed (preferably 400rpm) for a third set time t3(t3The value range is preferably 2-3min), the speed is reduced, the clothes are shaken up by positive and negative rotation at a fourth speed (preferably 35rpm), then the speed is increased to the second speed for a second set time, and the weight m of the clothes is weighed3。
As shown in the attached figure 1, the moisture content change rate of clothes made of different materials is different when the clothes are operated for the same time at the same rotating speed. The more easily the material absorbs water, the more difficult it is to dehydrate. Therefore, k is obtained as (d)2m)/(d2t) wherein m is m2-m3T is the third set time t of the dehydration time3Find m for time t3Calculating the derivative for 2 times, namely calculating the change rate k of the moisture content of the clothes, wherein the larger the k value is, the more easily the clothes lose water (such as chemical fiber volatile water materials); the smaller the k value, the more difficult the garment to lose water (e.g., difficult-to-lose materials such as cotton and wool).
In practical application, change curves of water content of various cloth materials with different proportions during dehydration need to be collected in the early stage, a corresponding database is established, and when actual measurement results are compared with data in the corresponding database, the material of the clothes to be washed at present can be known. The reference values of the water content of the clothes with different materials set in the washing program are selected from the database.
Selecting a washing program for washing;
and based on the clothes material matched in the last step, the washing machine performs corresponding preset value adjustment and program selection according to the clothes information. Finally, the whole machine weighs m according to the first time1A washing procedure was performed. In an embodiment of the present invention, the preset values are a plurality of values, wherein the preset values are reference values of moisture contents of clothes made of different materials set in the program, for example, the moisture contents of clothes made of four materials, i.e., pure cotton, pure chemical fiber, silk and linen, under the same condition are a, b, c and d, respectively.
That is, after obtaining the moisture content of the laundry, the relationship between the moisture content of the laundry and a, b, c, d is compared, and the material of the laundry is determined according to the calculation comparison result, so that the washing machine is controlled according to the material of the laundry.
In an embodiment of the present invention, the controlling the washing machine according to the material of the laundry further includes: and controlling one or more of the rinsing water quantity, the rinsing time and the rinsing times of the washing machine according to the first weighing result and the clothes material.
In an embodiment of the present invention, the controlling the washing machine according to the material of the laundry further includes: and controlling one or more of the dehydration rotation speed and the dehydration time of the washing machine according to the first weighing result and the clothes material.
In an embodiment of the present invention, the controlling the washing machine according to the material of the laundry further includes: and controlling one or more of drying power and drying time of the washing machine according to the first weighing result and the clothes material.
It should be noted that, in practical applications, some models of washing machines do not have a drying function, and therefore, the step of controlling one or more of the drying power and the drying time of the washing machine is optional.
According to the control method of the washing machine provided by the embodiment of the invention, on the premise of not increasing hardware cost, the material of clothes in the washing machine can be identified by completely using the existing functions of the washing machine, and then the washing machine is reasonably controlled according to the material of the clothes, so that the control method has the following effects:
(1) determining water inflow
In the existing program washing process, water is firstly fed according to a weighing value, then water is supplemented under the actual condition, for certain clothes types with strong water absorption, the water supplementing period is very long, and therefore clothes are not washed under the ideal state in most of time in reality. If the material of the clothes is determined, the clothes are weighed again according to the value m of the first weighing1Proper water is fed at one time, so that the ideal washing water quantity can be ensured more quickly, even if water is supplemented for washing, the water supplementing frequency is less, and the washing effect of the washing machine is greatly improved.
(2) Adjusting the washing time
Because the clothes made of different materials have different required washing time for the same stain, chemical fibers are easy to wash and the washing time is short; the cotton and linen materials are difficult to wash and need longer washing time. Through the clothing material of earlier stage judgement, the suitable washing time of direct matching promotes washing machine's intelligent level.
(3) Adjusting the washing temperature
The washing temperature of the cotton, the hemp and other materials can be not heated to 80 ℃, but the highest washing temperature of the chemical fiber can only reach 60 ℃, and the highest washing temperature of the wool can not exceed 45 ℃ … ….
(4) Adjusting the dewatering speed and dewatering time
The easier clothes made of different materials absorb water, the more difficult the clothes are dehydrated, the higher the required rotating speed is, and the longer the dehydrating time is. Therefore, the dewatering rotating speed and the dewatering time are adjusted according to the test matched cloth, the clothes easy to dewater can not be dewatered for too long time, the clothes difficult to dewater can not be dewatered due to too short dewatering time, and the practicability of the whole set of program is improved.
The invention judges the material of the clothes through the preset value and the preset algorithm, and controls the washing machine to select different rinsing programs, dehydration programs, drying programs and the like according to different materials and clothes weights, thereby having great significance for energy conservation of the washing machine and having symbolic significance for intellectualization of the washing machine.
A description will be given of a washing machine according to an embodiment of the second aspect of the present invention. The washing machine of the embodiment of the invention comprises: a washing tub;
a motor connected to the tub;
the weighing module is used for weighing the clothes for the first time, the second time and the third time to obtain a first weighing result, a second weighing result and a third weighing result;
and the control module is respectively connected with the motor and the weighing module and used for acquiring the first weighing result, the second weighing result and the third weighing result, controlling the washing machine to wash the clothes, controlling the washing machine to dewater, calculating the moisture content of the clothes according to the second weighing result and the third weighing result, determining the material of the clothes according to the moisture content of the clothes and a preset value, and controlling the washing machine according to the material of the clothes.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Further, the computer readable medium may even be paper or another suitable medium upon which the program is printed, as the program can be transferred to another computer system via, for example, paper or another medium
The program is electronically obtained by optical scanning, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium. The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (11)
1. A clothes material identification method is characterized by comprising the following steps:
s1, feeding water to completely wet the clothes;
s2, draining water and allowing the clothes to stand until no water drips;
s3, weighing the clothes to obtain a second weighing result;
s4, dehydrating the laundry;
s5, weighing the clothes to obtain a third weighing result;
s6, calculating the moisture content of the clothes according to the second weighing result and the third weighing result;
and S7, determining the material of the clothes according to the moisture content of the clothes and a preset value.
2. The method for recognizing a material of a clothing according to claim 1, wherein the motor is continuously rotated at a first speed for a first set time to completely wet the clothing in step S1.
3. The method for recognizing the texture of clothing according to claim 1, wherein in step S2, the clothing is left standing for 1 min.
4. The method for recognizing a material quality of a clothing according to claim 1, wherein the motor is continuously rotated at a second speed for a second set time to obtain a second weighing result in step S3.
5. The method for recognizing a texture of clothing according to claim 4, wherein the motor is rotated at a third speed for a third set time to perform the dehydration in step S4.
6. The method for recognizing a material quality of clothes according to claim 5, wherein the motor is continuously rotated at the second speed for a second set time to obtain a third weighing result in step S5.
7. The method for recognizing the texture of clothing according to claim 6, wherein the step S6 further comprises: according to the second weighing result m2And the third weighing result m3Calculating the moisture content of the laundry by the following formula, k ═ d2m)/(d2t) wherein m is m2-m3T is the third set time t of the dehydration time3。
8. The method for recognizing the texture of clothing according to claim 6, further comprising, before the step S5: and controlling the motor to rotate forward and backward at a fourth speed to drive the washing bucket to shake and disperse the clothes.
9. The method for identifying the texture of the clothing according to claim 1, wherein the predetermined values are a plurality of values, wherein the predetermined values are reference values of moisture content of the clothing of different textures set in a program.
10. A control method of a washing machine, comprising the steps of:
weighing the dry laundry to obtain a first weighing result;
determining the material of the clothing according to the clothing material identification method of any one of claims 1-9;
and controlling the washing machine according to the material of the clothes.
11. A washing machine, characterized by comprising: a washing tub;
a motor connected to the tub;
the weighing module is used for weighing the clothes for the first time, the second time and the third time to obtain a first weighing result, a second weighing result and a third weighing result;
and the control module is respectively connected with the motor and the weighing module and used for acquiring the first weighing result, the second weighing result and the third weighing result, controlling the washing machine to wash the clothes, controlling the washing machine to dewater, calculating the moisture content of the clothes according to the second weighing result and the third weighing result, determining the material of the clothes according to the moisture content of the clothes and a preset value, and controlling the washing machine according to the material of the clothes.
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| CN112779726B (en) | 2022-01-14 |
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