CN113832660A - Control method of washing machine and washing machine - Google Patents

Control method of washing machine and washing machine Download PDF

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Publication number
CN113832660A
CN113832660A CN202010590649.9A CN202010590649A CN113832660A CN 113832660 A CN113832660 A CN 113832660A CN 202010590649 A CN202010590649 A CN 202010590649A CN 113832660 A CN113832660 A CN 113832660A
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CN
China
Prior art keywords
washing water
washing
amount
detergent
water
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Pending
Application number
CN202010590649.9A
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Chinese (zh)
Inventor
孙童凯
许升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Application filed by Qingdao Haier Washing Machine Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Priority to CN202010590649.9A priority Critical patent/CN113832660A/en
Publication of CN113832660A publication Critical patent/CN113832660A/en
Pending legal-status Critical Current

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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00Control of operations performed in washing machines or washer-dryers 
    • D06F33/50Control of washer-dryers characterised by the purpose or target of the control
    • D06F33/52Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/54Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00Control of operations performed in washing machines or washer-dryers 
    • D06F33/50Control of washer-dryers characterised by the purpose or target of the control
    • D06F33/52Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/57Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14Arrangements for detecting or measuring specific parameters
    • D06F34/22Condition of the washing liquid, e.g. turbidity
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/20Washing liquid condition, e.g. turbidity
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/02Water supply
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/42Detergent or additive supply

Abstract

The invention discloses a control method of a washing machine and the washing machine, wherein the control method of the washing machine comprises the following steps: the method comprises the steps of putting a predetermined amount of detergent and a predetermined amount of washing water into a washing machine, enabling the washing machine to enter a pre-washing stage, detecting turbidity of the washing water, and if the turbidity value of the washing water is larger than the set turbidity value, enabling the washing machine to enter a main washing stage and adjusting the original putting amount of the detergent and the original water inlet amount of the washing water. By detecting the turbidity of the washing water, comparing the turbidity value of the washing water with a set turbidity value, and reasonably putting detergent and washing water according to the turbidity value, the waste of resources is reduced while the clothes are washed cleanly; the washing machine comprises a water containing barrel for containing washing water, and a turbidity sensor for detecting the turbidity of the washing water is arranged on the water containing barrel.

Description

Control method of washing machine and washing machine
Technical Field
The invention belongs to the field of washing machines, and particularly relates to a control method of a washing machine and the washing machine.
Background
With the improvement of living standard of people, a washing machine becomes one of main household appliances of daily life, the washing process of the washing machine mainly comprises a washing stage, a rinsing stage and a spin-drying stage, the washing machine enters water and detergent to wash clothes in the washing stage, and how to save water and detergent while washing the clothes in order to rinse away stains and residual detergent after entering the rinsing stage is always one of the focuses of attention of consumers.
Specifically, most of the conventional washing machines calculate the amount of detergent to be put in based on the weight of the laundry, and put in the detergent at one time, or the user can put in the detergent or set the amount of detergent to be put in by himself/herself. However, these detergent dispensing methods do not consider the specific conditions of the laundry, for example, the material of the laundry and the actual degree of dirt, and if the actual dispensing amount of the detergent and/or the actual water inflow amount of the washing water are insufficient, the laundry cannot be cleaned; if the actual amount of detergent is excessively added and/or the actual amount of washing water is excessively supplied, the detergent and the washing water are wasted.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art and provide a control method of a washing machine and the washing machine, so that the purposes of reasonably putting detergent and feeding washing water, ensuring that clothes are washed cleanly and simultaneously reducing the waste of resources are achieved.
In order to solve the problems, the invention adopts the technical scheme that:
the invention provides a control method of a washing machine, which comprises the steps of feeding a predetermined amount of detergent and a predetermined amount of washing water into the washing machine, leading the washing machine to enter a pre-washing stage, detecting the turbidity of the washing water, and leading the washing machine to enter a main washing stage when the turbidity value of the washing water is larger than a set turbidity value, wherein the original feeding amount of the detergent and the original water inlet amount of the washing water need to be adjusted.
Furthermore, a turbidity value interval is preset in the washing machine, the turbidity value of the washing water is compared with the set turbidity value interval to determine the dirt degree of the clothes, wherein the set turbidity value is the lower limit value of the set turbidity value interval, and whether the original detergent input amount and the washing water inlet amount need to be adjusted or not is judged according to the dirt degree of the clothes.
Further, if the turbidity value of the washing water is larger than the lower limit value of the set turbidity value interval, and the degree of the contamination of the clothes is determined to be severe or moderate, the original detergent input amount and the washing water inlet amount are adjusted.
Further, if the turbidity value of the washing water is within the set turbidity value interval and the degree of soiling of the clothes is determined to be moderate, a certain amount of detergent is put into the original washing water and a certain amount of washing water is put into the original washing water again, so that the putting amount of the detergent reaches the set putting amount, and the water inflow of the washing water reaches the set water inflow.
Further, if the turbidity value of the washing water is larger than or equal to the set turbidity value interval upper limit value, and the degree of contamination of the clothes is determined to be severe, the original washing water in the washing machine is drained, and the set amount of washing water are input into the washing machine again.
Further, after the washing water in the washing machine is drained, the washing machine is dehydrated for a predetermined time, and then a predetermined amount of detergent and a predetermined amount of washing water are added into the washing machine again.
Further, if the turbidity value of the washing water is less than or equal to the lower limit value of the set turbidity value interval, and the degree of soiling of the clothes is determined to be light, the original detergent input amount and the original washing water input amount are not adjusted, and the original detergent input amount and the original washing water input amount are maintained.
Further, the predetermined amount of detergent and the predetermined amount of washing water in the pre-washing stage, and the set amount of detergent and the set amount of washing water in the main washing stage are set according to the weight of the laundry.
Further, after adding detergent and washing water into the original washing water, washing the clothes, detecting the turbidity of the washing water again, and making the difference between the turbidity value of the washing water of the current time and the turbidity value of the washing water of the previous time,
if the difference value between the detergent and the washing water is smaller than the set difference value, a certain amount of detergent is continuously put into the washing water and a certain amount of washing water is added into the washing water, so that the putting amount of the detergent reaches the set putting amount, and the water inflow of the washing water reaches the set water inflow;
if the difference value between the two values is larger than the set difference value, the detergent is not put into the washing water and the washing water is not fed into the washing water.
The invention also provides a washing machine, and the control method of the washing machine provided by the technical scheme is adopted, and the washing machine is provided with a turbidity sensor for detecting the turbidity of the washing water.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. Through the turbidity value interval with the turbidity value of washing water and settlement contrast, confirm the dirty degree size of clothing, according to the dirty degree size of clothing, judge whether to get into main washing stage at washing machine and put in the detergent again and intake again to the washing water of the detergent of reasonable quantity and reasonable quantity is put in according to the actual dirty degree of clothing, so not only can practice thrift the quantity of detergent and the quantity of washing water, but also can make the washings obtain better washing.
2. And if the degree of the dirt of the clothes is determined to be moderate, a certain amount of detergent is put into the original washing water, and a certain amount of washing water is put into the original washing water again, so that the putting amount of the detergent reaches the set putting amount, and the water inflow of the washing water reaches the set water inflow.
3. And if the degree of the dirt of the clothes is determined to be severe, discharging the original washing water in the washing machine, and adding the set amount of washing water and the set amount of washing water into the washing machine again.
4. If the degree of the dirt of the clothes is determined to be light, the detergent input amount and the washing water inflow amount are not adjusted, and the original detergent input amount and the original washing water inflow amount are kept.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a flowchart of a control method of a washing machine according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating an operation of the washing machine according to the embodiment of the present invention.
Icon: 1-a control panel; 2-a detergent box; 3-a water inlet valve; 4-turbidity sensor.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in fig. 1, the present invention provides a method for controlling a washing machine, which comprises feeding a predetermined amount of detergent and a predetermined amount of washing water into the washing machine, detecting turbidity of the washing water when the washing machine enters a pre-washing stage, and adjusting an original detergent feeding amount and an original washing water feeding amount when the washing machine enters a main washing stage if the turbidity value of the washing water is greater than a set turbidity value.
In the embodiment of the invention, in the control method, the washing machine is started, a predetermined amount of detergent and washing water can be put into the washing machine, the washing machine enters a pre-washing stage, pre-washing enables the detergent, the washing water and clothes to be in full contact, after a predetermined time, the turbidity of the washing water is detected through a turbidity sensor, the turbidity value of the washing water is compared with a set turbidity value, whether the original put amount of the detergent and the water inflow amount of the washing water need to be adjusted when the washing machine enters a main washing stage or not is judged, if the turbidity value of the washing water is greater than the set turbidity value, the original put amount of the detergent and the water inflow amount of the washing water need to be adjusted when the washing machine enters the main washing stage, and if the turbidity value of the washing water is less than the set turbidity value, the original put amount of the detergent and the water inflow amount of the washing water do not need to be adjusted when the washing machine enters the main washing stage, detergent with reasonable dosage and washing water with reasonable dosage are put in according to the turbidity value, so that the dosage of the detergent and the dosage of the washing water can be saved, and clothes can be better cleaned;
the method comprises the steps of judging whether the amount of detergent put in the pre-washing stage and the amount of washing water fed in the pre-washing stage are reasonable or not by detecting the degree of dirt of clothes after the pre-washing stage is finished, and further determining whether the detergent is put in the washing water again and the washing water is fed in the washing water again, so that the detergent with reasonable amount and the washing water with reasonable amount are put in the washing water according to the specific conditions of the clothes, the clothes can be cleaned, the excessive detergent putting and the excessive washing water feeding can be avoided, the amount of the detergent is saved, and the cleaned clothes can be better cleaned;
the pre-washing stage is as follows: after a preset amount of washing water and detergent are put in, the washing machine soaks the clothes or pre-washes the clothes for a preset time, so that the clothes can be preliminarily washed, and the turbidity value of the washing water can more accurately reflect the dirt degree of the clothes;
the main washing stage is as follows: the washing machine executes a washing program, performs meaningful washing on the clothes, and executes subsequent rinsing, dewatering programs and the like after the washing is finished;
the detergent supply amount and the washing water inflow amount referred to herein are predetermined amounts of detergent and washing water in the pre-washing stage of the washing machine.
In the embodiment of the invention, a turbidity value interval is preset in the washing machine, the turbidity value of the washing water is compared with a set turbidity value interval to determine the dirt degree of the clothes, wherein the set turbidity value is the lower limit value of the set turbidity value interval, and whether the original detergent input amount and the washing water inlet amount are adjusted or not is judged according to the dirt degree of the clothes.
In the embodiment of the invention, the turbidity value of the washing water is compared with the set turbidity value interval to determine the dirt degree of the clothes, and whether a certain amount of washing agent is put in the washing machine in the main washing stage or not and a certain amount of washing water is put in the washing machine again is judged according to the dirt degree of the clothes, so that the washing agent with reasonable use amount and the washing water with reasonable use amount are put in the washing machine according to the actual dirt degree of the clothes, therefore, the use amount of the washing agent and the use amount of the washing water can be saved, and the cleaned objects can be better cleaned;
in the present invention, the degree of soiling of the laundry is determined by detecting the turbidity value of the washing water, but the manner of determining the degree of soiling of the laundry is not limited to measuring the turbidity value of the washing water.
In the embodiment of the invention, if the turbidity value of the washing water is greater than the lower limit value of the set turbidity value interval and the degree of contamination of the clothes is determined to be severe or moderate, the original detergent input amount and the washing water inlet amount are adjusted.
In the embodiment of the present invention, when the turbidity value of the washing water is greater than the lower limit value of the set turbidity value interval, it is determined that the degree of contamination of the laundry is severe or moderate, the detergent input amount and the washing water input amount are adjusted so that the sufficient detergent input amount and the sufficient washing water input amount satisfy the degree of contamination matching the laundry, for example, the set turbidity value interval is [40-100], the lower limit value of the set turbidity value interval is 40, the upper limit value of the set turbidity value interval is 100, when the turbidity value of the washing water is greater than 40, it is determined that the degree of contamination of the laundry is severe or moderate, and when the turbidity value of the washing water is less than or equal to 40, it is determined that the degree of contamination of the laundry is mild.
As shown in fig. 1, in the embodiment of the present invention, if the turbidity value of the washing water is within the set turbidity value interval and the degree of contamination of the laundry is determined to be moderate, a certain amount of detergent is added to the original washing water and a certain amount of washing water is added again, so that the adding amount of the detergent reaches the set adding amount, and the water inflow amount of the washing water reaches the set water inflow amount.
In the embodiment of the invention, if the turbidity value of the washing water is in the set turbidity value interval, and the dirt degree of the clothes is determined to be moderate, the dirt degree of the clothes is in a normal range, but the amount of the detergent put in the pre-washing stage and the amount of the washing water fed in the pre-washing stage are not enough to clean the clothes, so a certain amount of detergent needs to be put in the original washing water and a certain amount of washing water needs to be fed in the original washing water again, the amount of the detergent put in the washing water twice is equal to the set put amount, and the water inflow amount of the washing water fed in twice is equal to the set water inflow amount.
As shown in fig. 1, in the embodiment of the present invention, if the turbidity value of the washing water is greater than or equal to the upper limit value of the set turbidity value interval and the degree of contamination of the laundry is determined to be severe, the washing water in the washing machine is drained, and the set amount of detergent and the set amount of washing water are newly supplied into the washing machine.
In the embodiment of the invention, if the turbidity value of the washing water is greater than or equal to the upper limit value of the set turbidity value interval, and the dirt degree of the clothes is determined to be severe, the dirt degree of the clothes is indicated to be beyond the normal range, and then the detergent is put into the washing water in the pre-washing stage and the clothes cannot be cleaned by the washing water, so that the original washing water in the washing machine needs to be discharged, and the washing machine can exhaust the dirt water as much as possible, thereby ensuring that the washing effect is more obvious after the clothes enter the main washing stage;
in the embodiment of the invention, after the original washing water in the washing machine is discharged, the dewatering is performed for the preset time, and then the detergent and the washing water are put into the washing machine again.
In the embodiment of the invention, after the original washing water in the washing machine is discharged, the clothes are firstly dehydrated, after the dehydration operation is finished, a set amount of detergent is put into the washing machine again, and the washing machine directly enters a main washing stage after the set amount of washing water is added; and performing dehydration operation for a preset time, discharging all dirty water and detergent residues, re-feeding water and putting detergent, and improving the washing effect on the clothes.
As shown in fig. 1, in the embodiment of the present invention, if the turbidity value of the washing water is less than or equal to the lower limit of the set turbidity value interval and the degree of soiling of the laundry is determined to be light, the original detergent input amount and the original washing water input amount are not adjusted, and the original detergent input amount and the original washing water input amount are maintained.
In the embodiment of the invention, if the turbidity value of the washing water is less than or equal to the lower limit value of the set turbidity value interval, and the degree of soiling of the clothes is determined to be light, the degree of soiling of the clothes is lower, the clothes can be cleaned by the amount of the detergent put in the pre-washing stage and the amount of the washing water, the detergent does not need to be put in the washing water and the washing water does not need to enter the washing water, and the clothes are washed by keeping the amount of the detergent put in the pre-washing stage and the amount of the washing water entering the main washing stage.
In an embodiment of the present invention, the predetermined amount of detergent and the predetermined amount of washing water in the pre-washing stage, and the set amount of detergent and the set amount of washing water in the main washing stage are set according to the weight of the laundry.
In the embodiment of the present invention, a predetermined amount of water and detergent is input according to the weight and volume of laundry. Generally, the predetermined amount of detergent to be input is set to 50% -70% of the set input amount for performing the initial washing of the laundry. The set input amount is generally an optimal input amount of detergent obtained by comparing and analyzing according to the performance of the washing machine or according to experience or multiple experiments in the product design of the washing machine before the washing machine is shipped, and the set input amount can meet the washing requirements of the washing objects with general dirt degree in the washing machine, or can be set according to parameters such as the weight and/or the volume of the washing objects singly or in combination. It will be understood by those skilled in the art that the determination of the set shot size is not limited to the above-described method, and for example, the set shot size may be a preset specific value.
As shown in fig. 1, for the above technical contents, the control method of the washing machine comprises the following specific steps:
s1: starting the washing machine and executing the step S2;
s2: a step S3 of putting predetermined amount of washing water and detergent into the washing machine;
s3: soaking or pre-washing the laundry, performing step S4;
s4: detecting the turbidity of the washing water, and performing step S5;
s5: judging whether the turbidity value of the washing water is in the set turbidity value interval or not, and executing the step S6 or S8;
s6: performing step S7 when the turbidity value of the washing water is within the set turbidity value interval;
s7: adding a washing agent and washing water into the original washing water;
s8: if the turbidity value of the washing water is not in the set turbidity value interval, executing step S9 or step S11;
s9: the turbidity value of the washing water is greater than or equal to the upper limit value of the set turbidity value interval, and step S10 is executed;
s10: discharging the original washing water in the washing machine, and adding the detergent and the washing water again;
s11: if the turbidity value of the washing water is less than or equal to the lower limit of the set turbidity value interval, performing step S12;
s12: the original detergent feeding amount and the washing water inflow amount are kept.
In the embodiment of the invention, after detergent and re-washing water are put into original washing water, the clothes are washed, the turbidity of the washing water is detected again, the turbidity value of the washing water at this time is different from the turbidity value of the washing water at last time, if the difference value of the turbidity value of the washing water and the turbidity value of the washing water at last time is less than a set difference value, the detergent and the washing water are continuously put into the washing machine, so that the putting amount of the detergent reaches a set putting amount, and the water inflow amount of the washing water reaches a set water inflow amount; if the difference between the two is larger than the set difference, the detergent is not put in and the washing water is not fed in.
In the embodiment of the invention, the amount of the detergent put into the original washing water and the amount of the washing water fed into the original washing water are related to the measured turbidity value, and specifically, the larger the turbidity value is, the larger the detergent put amount is; the smaller the turbidity value is, the smaller the detergent adding amount is;
after detergent is put into the original washing water and the washing water enters the washing water, the clothes are washed, the turbidity of the washing water is detected again, the turbidity value of the time is compared with the turbidity value of the last time, if the turbidity values of the time and the last time are close, the clothes are not washed thoroughly, and therefore a certain amount of detergent and a certain amount of washing water can be continuously put into the washing water, the putting amount of the detergent reaches the set putting amount, and the water inflow of the washing water reaches the set water inflow; if the difference between the turbidity values of the detergent and the washing water is larger, the clothes are washed more thoroughly, detergent does not need to be put into the washing water and the washing water does not need to enter the washing water, and the most appropriate putting amount of the detergent and the most appropriate water inflow amount of the washing water can be selected for washing the clothes according to the dirt degree of the clothes.
The invention also provides a washing machine, and the washing machine control method provided by the technical scheme is adopted, and the washing machine is provided with a turbidity sensor 4 for detecting the turbidity of the washing water.
In the embodiment of the invention, as shown in fig. 2, the washing machine comprises a shell, a water containing barrel is arranged in the shell, the water containing barrel of the washing machine can be an inner barrel or an outer barrel, when the water containing barrel is the outer barrel, the washing machine comprises the shell, the outer barrel and the inner barrel, the outer barrel is arranged in the shell, the inner barrel is arranged in the outer barrel, washing water is contained between the outer barrel and the inner barrel, a turbidity sensor 4 is arranged on the outer barrel, and a probe of the turbidity sensor is contacted with the washing water in the outer barrel; or, when the water containing barrel is an inner barrel, the washing machine comprises a shell, an outer barrel and an inner barrel, wherein the outer barrel is arranged in the shell, the inner barrel is arranged in the outer barrel, the turbidity sensor 4 is arranged in the inner barrel, and a probe of the turbidity sensor is contacted with washing water in the inner barrel; the turbidity sensor can also be arranged on other parts of the washing machine as long as the turbidity sensor can contact with the washing water and detect the turbidity of the washing water;
the washing machine is provided with a control panel 1 for controlling the washing machine to operate, the washing machine is also provided with a detergent box 2 for putting detergent into the water containing barrel and a water inlet valve 3 for feeding water into the water containing barrel, and the control panel 1 is connected with the detergent box 2 and the water inlet valve 3 and is used for controlling the detergent box 2 to put the detergent into the water containing barrel and feed water into the water containing barrel; the turbidity sensor 4 detects the turbidity of the washing water in the pre-washing stage and sends the turbidity value to the control board 1, and the control board 1 judges whether to adjust the detergent input amount and the washing water inlet amount when the washing machine enters the main washing stage according to the turbidity value;
in addition, the turbidity sensor 4 detects the turbidity of the washing water in the main washing stage, compares the secondary turbidity value with the last turbidity value, and determines whether to put detergent and feed water again.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A control method of a washing machine is characterized in that a preset amount of detergent and a preset amount of washing water are put into the washing machine, the washing machine enters a pre-washing stage, the turbidity of the washing water is detected, and if the turbidity value of the washing water is larger than a set turbidity value, the original detergent putting amount and the washing water inflow amount need to be adjusted when the washing machine enters a main washing stage.
2. The method of claim 1, wherein a turbidity value interval is preset in the washing machine, and the turbidity value of the washing water is compared with a set turbidity value interval to determine the contamination degree of the laundry, wherein the set turbidity value is a lower limit value of the set turbidity value interval, and whether the original detergent input amount and the washing water inlet amount need to be adjusted is determined according to the contamination degree of the laundry.
3. The method of claim 2, wherein if the turbidity value of the washing water is greater than the lower limit value of the set turbidity value interval and it is determined that the degree of contamination of the laundry is severe or moderate, the original detergent input amount and the washing water input amount are adjusted.
4. The method of claim 3, wherein if the turbidity value of the washing water is within the preset turbidity value range and it is determined that the degree of contamination of the laundry is moderate, a certain amount of detergent is added to the original washing water and a certain amount of washing water is added again, so that the added amount of detergent reaches the preset input amount and the water inlet amount of the washing water reaches the preset water inlet amount.
5. The control method of a washing machine according to claim 3, wherein if the turbidity value of the washing water is greater than or equal to the upper limit value of the set turbidity value interval, and it is determined that the degree of contamination of the laundry is severe, the washing water originally in the washing machine is drained, and the set amount of washing water are input again into the washing machine.
6. The control method of a washing machine according to claim 5, wherein after draining the washing water originally in the washing machine, the washing machine is dehydrated for a predetermined time, and then a predetermined amount of detergent and a predetermined amount of washing water are newly supplied into the washing machine.
7. The method of claim 2, wherein if the turbidity value of the washing water is less than or equal to the lower limit of the set turbidity value interval and the degree of soiling of the laundry is determined to be light, the detergent input amount and the washing water input amount are not adjusted and maintained.
8. The control method of a washing machine according to claim 4 or 5, wherein the predetermined amount of detergent and the predetermined amount of washing water in the pre-washing stage, and the set amount of detergent and the set amount of washing water in the main washing stage are set according to the weight of the laundry.
9. The method of claim 4, wherein the washing machine is further characterized in that the washing is performed after detergent is added to the original washing water and the washing water is introduced, the turbidity of the washing water is detected again, the turbidity value of the washing water of this time is different from the turbidity value of the washing water of the previous time,
if the difference value between the detergent and the washing water is smaller than the set difference value, a certain amount of detergent is continuously put into the washing water and a certain amount of washing water is added into the washing water, so that the putting amount of the detergent reaches the set putting amount, and the water inflow of the washing water reaches the set water inflow;
if the difference value between the two values is larger than the set difference value, the detergent is not put into the washing water and the washing water is not fed into the washing water.
10. A washing machine characterized by employing the control method of a washing machine according to any one of claims 1 to 9, the washing machine being provided with a turbidity sensor for detecting turbidity of washing water.
CN202010590649.9A 2020-06-24 2020-06-24 Control method of washing machine and washing machine Pending CN113832660A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0292395A (en) * 1988-09-28 1990-04-03 Toshiba Corp Washing machine
JPH04122384A (en) * 1990-09-14 1992-04-22 Matsushita Electric Ind Co Ltd Controller for washing machine
CN105088651A (en) * 2015-08-06 2015-11-25 无锡小天鹅股份有限公司 Washing machine and control method thereof
CN205258875U (en) * 2015-12-03 2016-05-25 东华大学 Intelligence washing machine device
CN108930125A (en) * 2017-05-22 2018-12-04 青岛海尔洗衣机有限公司 The control method and washing machine of washing machine
CN110144701A (en) * 2019-06-14 2019-08-20 珠海格力电器股份有限公司 A kind of control method of washing, device, storage medium and washing machine
CN111101322A (en) * 2019-12-30 2020-05-05 无锡小天鹅电器有限公司 Washing method and device of clothes treatment device and clothes treatment device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0292395A (en) * 1988-09-28 1990-04-03 Toshiba Corp Washing machine
JPH04122384A (en) * 1990-09-14 1992-04-22 Matsushita Electric Ind Co Ltd Controller for washing machine
CN105088651A (en) * 2015-08-06 2015-11-25 无锡小天鹅股份有限公司 Washing machine and control method thereof
CN205258875U (en) * 2015-12-03 2016-05-25 东华大学 Intelligence washing machine device
CN108930125A (en) * 2017-05-22 2018-12-04 青岛海尔洗衣机有限公司 The control method and washing machine of washing machine
CN110144701A (en) * 2019-06-14 2019-08-20 珠海格力电器股份有限公司 A kind of control method of washing, device, storage medium and washing machine
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