CN112127121B - Washing machine and water inlet control method thereof - Google Patents
Washing machine and water inlet control method thereof Download PDFInfo
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- CN112127121B CN112127121B CN201910489834.6A CN201910489834A CN112127121B CN 112127121 B CN112127121 B CN 112127121B CN 201910489834 A CN201910489834 A CN 201910489834A CN 112127121 B CN112127121 B CN 112127121B
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention provides a washing machine and a water inflow control method thereof, the washing machine comprises a washing barrel which is rotatably arranged, the washing barrel holds washing water in the washing process, and the water inflow control method comprises the following steps: the washing machine executes a pre-water inlet process, detects the actual water inlet of the washing barrel after the pre-water inlet process is finished, determines a water inlet deviation parameter according to the actual water inlet and the theoretical water inlet corresponding to the pre-water inlet process, and adjusts the subsequent water inlet according to the water inlet deviation parameter. Aiming at the problem that the prior non-porous inner-tub washing machine is difficult to detect and control the water inflow by adopting a traditional pressure type water level sensor, the invention provides a water inflow control method for carrying out water inflow deviation correction by adopting motor weighing and water inflow in a divided manner, and the water inflow of the washing machine is accurately controlled.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a washing machine and a water inlet control method thereof.
Background
The conventional general washing machine has substantially the same structure, and generally includes an outer tub for holding water and an inner tub rotatably provided inside the outer tub, a large number of water passing holes or so-called dehydrating holes are arranged on the inner tub, laundry is put in the inner tub, and the outer tub is for holding water. The water level detection or water inflow control of these common washing machines generally adopts water level sensor detection control, or adopts flow meter detection control, for example, a pressure water level sensor is arranged in the outer tub, the pressure water level sensor senses water pressure to judge the water level height in the inner tub, and the flow meter determines the water inflow of the washing machine by detecting the water flow flowing through.
But for another structure of the washing machine including a rotatably provided washing tub for holding washing water during washing, the structure of the washing machine is generally called a non-porous inner tub washing machine, which is difficult to detect a water level using a principle of a pressure water level sensor, and when a flow meter is used to control a water inflow amount, the washing machine cannot accurately know the water inflow amount for the case that water is previously supplied in the washing tub or water is manually supplied in the middle of a user.
In view of this, the present invention has been made.
Disclosure of Invention
In order to solve the problems, the first aspect of the invention is to provide a water inlet control method for a washing machine, which aims at a non-porous inner tub washing machine and provides a water inlet control method for carrying out water inlet correction by adopting motor weighing and multiple water inlet correction, wherein the water inlet of the washing machine is accurately controlled, and specifically, the technical scheme is as follows:
a water inflow control method for a washing machine, the washing machine including a rotatably provided washing tub, the washing tub containing washing water during washing, the control method comprising: the washing machine executes a pre-water inlet process, detects the actual water inlet of the washing barrel after the pre-water inlet process is finished, determines a water inlet deviation parameter according to the actual water inlet and the theoretical water inlet corresponding to the pre-water inlet process, and adjusts the subsequent water inlet according to the water inlet deviation parameter.
In the scheme, aiming at the problem that the prior non-porous inner-tub washing machine is difficult to detect and control the water inflow by adopting the traditional pressure type water level sensor, the water inflow control method for carrying out water inflow correction by adopting motor weighing and water inflow division is provided, and the water inflow of the washing machine is accurately controlled.
Preferably, the washing machine sets a total water inflow and a pre-inflow, the washing machine executes a pre-inflow process of water entering the pre-inflow into the washing tub, detects an actual water inflow of the washing tub after the pre-inflow process is finished, determines a water inflow deviation parameter according to the actual water inflow and the pre-inflow, and adjusts a subsequent water inflow according to the water inflow deviation parameter.
In the scheme, the washing machine divides the total water inflow into two water inflow times, the deviation between the actual water inflow and the theoretical water inflow is determined according to the pre-water inflow, deviation parameters are calculated, and the subsequent water inflow is adjusted according to the deviation parameters, so that the actual water inflow of the washing machine is closer to the total water inflow after the water inflow of the washing machine is carried out according to the two water inflow times.
Preferably, the water inflow deviation parameter is obtained by the following formula:
μ＝1-M S /M L the method comprises the steps of carrying out a first treatment on the surface of the Wherein mu is the deviation parameter of the water inflow, M S For the actual water inflow of the washing barrel detected by the washing machine after the pre-water inflow process is finished, M L Is the pre-water amount.
In the above scheme, the subsequent water inflow is adjusted according to the water inflow deviation parameter to ensure that the final actual water inflow is closer to the total water inflow.
Preferably, the washing machine comprises a flowmeter, and the washing machine controls the water of the pre-inflow amount to the washing barrel through the flowmeter in the pre-inflow process.
The washing machine detects the weight of the clothes to be washed and the load of the washing barrel after the pre-water inlet process is finished, and determines the actual water inlet amount of the washing barrel according to the difference between the load of the washing barrel and the weight of the clothes to be washed;
preferably, the washing machine control motor detects a load of the washing tub: when the inner barrel of the washing machine is controlled to rotate to a set rotating speed, the motor is controlled to be powered off, an output signal of the motor is detected, and the load of the washing barrel is determined according to the output signal.
Preferably, the washing machine determines the total water inflow according to the weight of the clothes to be treated, and calculates the adjusted subsequent water inflow by the following formula;
M E ＝(M Z -M Y ) (1+μ); wherein M is E For the subsequent water inflow after adjustment, M Z As the total water inflow, M Y Is the pre-water yield.
In the scheme, the theoretical value of the subsequent water inflow is obtained by subtracting the pre-water inflow from the total water inflow, and then the value is corrected to obtain the adjusted subsequent water inflow, and the washing machine performs secondary water inflow according to the subsequent water inflow, so that the total actual water inflow cannot deviate too much.
Preferably, the washing machine executes a secondary water inlet process of feeding the water of the adjusted subsequent water inlet amount into the washing barrel, detects the actual total water inlet amount of the washing barrel after the secondary water inlet process is finished, determines the water supplementing amount according to the difference value between the actual total water inlet amount and the total water inlet amount set by the washing machine, and executes a water supplementing process of feeding the water of the water supplementing amount into the washing barrel.
In the scheme, after the control of the washing machine is finished for executing the secondary water inflow, the difference value between the actual water inflow and the theoretical water inflow is continuously detected, the water supplementing process is determined and executed according to the difference value, the water supplementing amount corresponding to the water supplementing process is determined, and the deviation between the actual water inflow and the theoretical water inflow is further reduced.
Preferably, the washing machine is according to formula M b ＝(M Z –M f ) Correction of the water supply quantity and water supply according to the corrected water supply quantity, wherein M is as follows b For the corrected water supply quantity M f Is the actual total water inflow of the washing barrel detected after the secondary water inflow process is finished.
In the scheme, the deviation of the actual water inflow and the total water inflow is reduced by correcting and calculating the deviation of the water supplementing amount.
Preferably, the washing machine determines the total water inflow and the pre-water inflow according to the weight of laundry; wherein the pre-water inflow is 20% -70% of the total water inflow, or the pre-water inflow is a fixed value.
In another embodiment, the determination of the total water inflow is also integrated with the material of the clothes, and the total water inflow is determined according to the material, the weight and the style of the clothes.
Preferably, the process of detecting the actual load of the washing tub by the washing machine includes: when the inner barrel of the washing machine is controlled to rotate to a set rotating speed, the motor is controlled to be powered off, an output signal of the motor is detected, and the load of the washing barrel is determined according to the output signal. Specific: the motor can be firstly driven to reach the set rotating speed, then the motor is controlled to be powered off, the pulse number of pulse signals output by the motor from the set rotation to the complete stop of the inner cylinder after the motor is powered off is recorded, and the weight of the load in the washing barrel is determined through the pulse number by utilizing the corresponding relation between the pulse number and the weight of clothes.
Preferably, the washing machine comprises a flowmeter, and the washing machine controls the water inflow through the flowmeter.
Or the washing machine controls the water inflow according to the detected motor data.
Another object of the present invention is to provide a washing machine employing the above-mentioned control method of the washing machine, including a cabinet and a washing tub rotatably provided in the cabinet, the washing tub being for holding washing water during washing.
By adopting the technical scheme, the invention has the following beneficial effects:
the washing machine of the invention is a hole-free inner barrel washing machine, namely: the washing machine comprises a washing barrel which can be rotatably arranged, the washing barrel holds washing water in the washing process, and the water inlet control method of the washing machine comprises the following steps: the washing machine executes a pre-water inlet process, detects the actual water inlet of the washing barrel after the pre-water inlet process is finished, determines a water inlet deviation parameter according to the actual water inlet and the theoretical water inlet corresponding to the pre-water inlet process, and adjusts the subsequent water inlet according to the water inlet deviation parameter. Aiming at the problem that the prior non-porous inner-tub washing machine is difficult to detect and control the water inflow by adopting a traditional pressure type water level sensor, the invention provides a water inflow control method for carrying out water inflow deviation correction by adopting motor weighing and water inflow in a divided manner, and the water inflow of the washing machine is accurately controlled.
Drawings
FIG. 1 is a schematic view of a water inlet control step of a washing machine according to the present invention;
fig. 2 is a schematic structural view of the washing machine of the present invention.
Wherein, 1, an outer barrel; 2. a washing tub; 3. an overflow aperture; 4. clothing items; 5. and a motor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific 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 explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The invention provides a water inflow control method of a washing machine, which is a hole-free inner barrel washing machine, namely the washing machine comprises a washing barrel which is rotatably arranged, washing water is contained in the washing barrel in the washing process, a large number of dehydration holes are not formed in the barrel wall of the washing barrel, washing water and rinse water are concentrated in the washing barrel, and the washing barrel is a water containing barrel and a centrifugal dehydration barrel. During centrifugal dehydration, the washing barrel rotates at a high speed, and residual water in clothes is upwards along the inner wall of the washing barrel under the action of centrifugal force and is thrown out through a circle of overflow holes distributed below the barrel opening of the washing barrel and the balance ring. As water in the interlayer of the inner barrel and the outer barrel of the traditional washing machine is saved, the water saving effect of the washing machine can reach more than 50 percent on average.
The water inlet control method of the washing machine comprises the following steps: the washing machine executes a pre-water inlet process, detects the actual water inlet of the washing barrel after the pre-water inlet process is finished, determines a water inlet deviation parameter according to the actual water inlet and the theoretical water inlet corresponding to the pre-water inlet process, and adjusts the subsequent water inlet according to the water inlet deviation parameter. Aiming at the problem that the prior non-porous inner-tub washing machine is difficult to detect and control the water inflow by adopting a traditional pressure type water level sensor, the invention provides a water inflow control method for carrying out water inflow deviation correction by adopting motor weighing and water inflow in a divided manner, and the water inflow of the washing machine is accurately controlled.
Example 1
In this embodiment, the washing machine sets a total water inflow and a pre-inflow, the washing machine performs a pre-inflow process of water of the pre-inflow into the washing tub, detects an actual water inflow of the washing tub after the pre-inflow process is completed, determines a water inflow deviation parameter according to the actual water inflow and the pre-inflow, and adjusts a subsequent water inflow according to the water inflow deviation parameter.
In this embodiment, the washing machine divides the total water inflow into two water inflow, determines the deviation between the actual water inflow and the theoretical water inflow according to the pre-water inflow, calculates a deviation parameter, and adjusts the subsequent water inflow according to the deviation parameter, so that the actual water inflow is closer to the total water inflow after the washing machine water inflow according to the two water inflow. The total water inflow can be the water inflow selected by a user or the water inflow automatically set by the washing machine according to clothes.
The washing machine can detect the weight of the laundry, determine the total water inflow according to the weight of the laundry, for example, the weight of the laundry has a multiplying power relation with the total water inflow, and the required total water inflow (hereinafter referred to as total water inflow) can be directly obtained according to the weight of the laundry.
For example, the washing machine determines a total water inflow and a pre-water inflow according to the weight of laundry; the method comprises the steps of obtaining the total water inflow, wherein the total water inflow is 20% -70% of the total water inflow, or the total water inflow is a fixed value, controlling the total water inflow by a washing machine to subtract the total water inflow to obtain the subsequent water inflow, executing a pre-water inflow process according to the total water inflow, detecting the actual water inflow of a washing barrel after the pre-water inflow process is finished, determining a water inflow deviation parameter according to the actual water inflow and the corresponding theoretical water inflow, and adjusting the subsequent water inflow according to the water inflow deviation parameter.
In a preferred embodiment, the determination of the total water inflow also integrates information such as the material of the clothes, for example, the total water inflow is determined together according to the material, the weight and the style of the clothes.
For example, the washing machine comprises an RFID reader, the RFID reader identifies an RFID electronic tag on the clothes to be washed, and the RFID electronic tag stores material information, weight information and style information of the clothes.
Example two
In a second embodiment, the washing machine sets a total water inflow and a pre-inflow, the washing machine performs a pre-inflow process of water of the pre-inflow into the washing tub, detects an actual water inflow of the washing tub after the pre-inflow process is finished, determines a water inflow deviation parameter according to the actual water inflow and the pre-inflow, and adjusts a subsequent water inflow according to the water inflow deviation parameter. Wherein the total water inflow can be selected by a user or automatically set by the washing machine.
Wherein, the water inflow deviation parameter is obtained by the following formula:
μ＝1-M S /M L the method comprises the steps of carrying out a first treatment on the surface of the Wherein mu is the deviation parameter of the water inflow, M S For the actual water inflow of the washing barrel detected by the washing machine after the pre-water inflow process is finished, M L Is the pre-water amount.
In the scheme, the subsequent water inflow is adjusted according to the water inflow deviation parameter, so that the final actual water inflow is ensured to be closer to the total water inflow.
The washing machine determines the total water inflow according to the weight of the clothes to be treated, and calculates the adjusted subsequent water inflow through the following formula.
M E ＝(M Z -M Y ) (1+μ); wherein M is E For the subsequent water inflow after adjustment, M Z As the total water inflow, M Y Is the pre-water yield.
In the scheme, the theoretical value of the subsequent water inflow is obtained by subtracting the pre-water inflow from the total water inflow, then the value is corrected to obtain the adjusted subsequent water inflow, and the washing machine executes the water inflow process according to the adjusted subsequent water inflow. Ensuring that the actual water inflow is closer to the theoretical value.
Example III
In the third embodiment, it is considered that even if the subsequent water inflow is adjusted, the actual water inflow of the washing machine has a deviation from the total water inflow after the washing machine performs the corresponding water inflow according to the subsequent water inflow, so that the washing machine needs to perform the water replenishment process after the secondary water inflow is completed.
Specifically, the washing machine adjusts the subsequent water inflow M according to the water inflow M E And executing a secondary water inlet process, detecting the actual water inlet amount of the washing barrel after the secondary water inlet process is finished, calculating the difference value of the actual water inlet amount and the theoretical water inlet amount (the total water inlet amount set by the washing machine) corresponding to the secondary water inlet process, and executing a corresponding water supplementing process according to the difference value.
In this embodiment, after the control of the washing machine is finished to perform the secondary water intake, the difference between the actual water intake and the theoretical water intake is continuously detected, and whether to perform the water supplementing process or not is determined according to the difference, and the water supplementing amount corresponding to the water supplementing process is determined.
Specifically, the washing machine determines the water supplementing amount according to the difference value between the actual water inflow corresponding to the secondary water inflow process and the corresponding theoretical water inflow, and executes the corresponding water supplementing process according to the water supplementing amount.
Preferably, the washing machine is according to formula M b ＝(M Z –M f ) Correction of the water supply quantity and water supply according to the corrected water supply quantity, wherein M is as follows b For the corrected water supply quantity M f Is the actual total water inflow of the washing barrel detected after the secondary water inflow process is finished.
In the scheme, the deviation of the actual water inflow and the total water inflow is reduced by correcting and calculating the deviation of the water supplementing amount.
In a preferred control method: after the washing machine finishes the secondary water inlet process, detecting the actual water inlet of the washing barrel, comparing the actual water inlet with the corresponding theoretical water inlet, judging whether the actual water inlet is smaller than the theoretical water inlet, if so, controlling to execute the water supplementing process, otherwise, controlling to finish.
In another control scheme: after the washing machine finishes the secondary water inlet process, detecting the actual water inlet of the washing barrel, comparing the actual water inlet with the corresponding theoretical water inlet, judging whether the difference value between the actual water inlet and the theoretical water inlet is larger than a set value, if so, controlling to execute the water supplementing process, otherwise, controlling to finish.
The water inlet amount can be controlled by the flowmeter in the water supplementing process of the washing machine, or the water inlet amount can be controlled by the washing machine according to the detected motor data, so that the water inlet amount can be accurately controlled.
Example IV
In the fourth embodiment, a principle of automatic water inflow of the washing machine and a principle of detecting actual water inflow are explained.
The washing machine comprises a flowmeter, and in the pre-water inlet process, the washing machine controls water with the pre-water inlet quantity into the washing barrel through the flowmeter. That is, the washing machine controls the amount of water required to be fed into the washing tub, such as the amount of pre-feed water, according to the flow rate detected by the flow meter.
The washing machine detects the weight of the clothes to be washed before water inflow, detects the load of the washing barrel after the pre-water inflow process is finished, and determines the actual water inflow of the washing barrel according to the difference between the load of the washing barrel and the weight of the clothes to be washed.
The weight of the laundry can be detected by a motor, and the laundry information can be obtained by identifying the laundry information by an RFID reader; and the load of the washing barrel is detected by the motor after the pre-water inlet process is finished. Specifically, the washing machine controls the motor to detect the load of the washing tub: when the inner barrel of the washing machine is controlled to rotate to a set rotating speed, the motor is controlled to be powered off, an output signal of the motor is detected, and the load of the washing barrel is determined according to the output signal.
The washing machine detects the load weight through the motor, and the process of detecting the washing barrel load by the washing machine comprises the following steps: when the washing machine controls the washing barrel to rotate to a set rotating speed, the motor is controlled to be powered off, an output signal of the motor is detected, and the load of the washing barrel is determined according to the output signal. Specific: the motor can be firstly driven to reach the set rotating speed, then the motor is controlled to be powered off, the pulse number of pulse signals output by the motor from the set rotating to the complete stopping of the washing barrel after the motor is powered off is recorded, and the weight of the load in the washing barrel is determined through the pulse number according to the corresponding relation between the pulse number and the weight of clothes.
Example five
The fifth embodiment provides a washing machine adopting the control method of the washing machine, wherein the washing machine is a hole-free inner-tub washing machine and comprises a box body and a washing tub rotatably arranged in the box body, and the washing tub is used for containing washing water in a washing process.
The wall of the washing barrel is not provided with a large number of dehydration holes, and the washing water and the rinsing water are concentrated in the washing barrel, and the washing barrel is not only a water holding barrel but also a centrifugal dehydration barrel. During centrifugal dehydration, the washing barrel rotates at a high speed, and residual water in clothes is upwards along the inner wall of the washing barrel under the action of centrifugal force and is thrown out through a circle of overflow holes distributed below the balance ring at the barrel opening of the washing barrel. As water in the interlayer of the inner barrel and the outer barrel of the traditional washing machine is saved, the water saving effect of the washing machine can reach more than 50 percent on average.
Referring specifically to fig. 2, a schematic structural diagram of a washing machine in this embodiment includes an outer tub 1, a rotatably disposed washing tub 2, and a ring of overflow holes 3 (also referred to as dewatering holes) disposed below a balancing ring at a top tub opening of the washing tub. The laundry 4 is directly put inside the washing tub. The washing machine comprises a motor 5, and a controller of the washing machine controls the motor 5 to act to execute weighing action and determines the load of the washing barrel according to the output pulse times of the motor. The water inlet pipeline of the washing machine is provided with a flowmeter, the controller of the washing machine is in data connection with the flowmeter, and the water inflow is controlled according to the flowmeter.
Referring to fig. 1, there is provided a control method of the washing machine:
s1, detecting the weight of clothes to be washed by a washing machine;
s2, the washing machine sets total water inflow and pre-water inflow according to the weight of the laundry;
s3, the washing machine executes a water advance process of advancing the water of the advance water amount into the washing barrel;
s4, detecting the actual water inflow of the washing barrel after the water inflow pre-process is finished, determining a water inflow deviation parameter according to the actual water inflow and the water inflow pre-process, and adjusting the subsequent water inflow according to the water inflow deviation parameter;
s5, the washing machine executes a corresponding secondary water inlet process;
s6, the washing machine determines water supplementing quantity according to the difference value between the actual total water inlet quantity detected after the secondary water inlet process is finished and the total water inlet quantity set by the washing machine;
s6, the washing machine executes a corresponding water supplementing process.
By adopting the technical scheme in the embodiments, the invention has the following beneficial effects:
the washing machine of the invention is a hole-free inner barrel washing machine, namely: the washing machine comprises a washing barrel which can be rotatably arranged, the washing barrel holds washing water in the washing process, and the water inlet control method of the washing machine comprises the following steps: the washing machine executes a pre-water inlet process, detects the actual water inlet of the washing barrel after the pre-water inlet process is finished, determines a water inlet deviation parameter according to the actual water inlet and the theoretical water inlet corresponding to the pre-water inlet process, and adjusts the subsequent water inlet according to the water inlet deviation parameter. Aiming at the problem that the prior non-porous inner-tub washing machine is difficult to detect and control the water inflow by adopting a traditional pressure type water level sensor, the invention provides a water inflow control method for carrying out water inflow deviation correction by adopting motor weighing and water inflow in a divided manner, and the water inflow of the washing machine is accurately controlled.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (9)
1. A water inflow control method for a washing machine, the washing machine comprising a rotatably arranged washing tub, the washing tub containing washing water during washing, the control method comprising: the washing machine executes a pre-water inlet process, detects the actual water inlet of a washing barrel after the pre-water inlet process is finished, determines a water inlet deviation parameter according to the actual water inlet and the theoretical water inlet corresponding to the pre-water inlet process, and adjusts the subsequent water inlet according to the water inlet deviation parameter;
the water inflow deviation parameter is obtained through the following formula:
μ＝1-M S /M L the method comprises the steps of carrying out a first treatment on the surface of the Wherein mu is the deviation parameter of the water inflow, M S For the actual water inflow of the washing barrel detected by the washing machine after the pre-water inflow process is finished, M L The theoretical water inflow corresponding to the water inlet advance process;
the washing machine determines the total water inflow according to the weight of the clothes to be treated, and calculates the adjusted subsequent water inflow through the following formula;
M E ＝(M Z -M Y ) (1+μ); wherein M is E For the subsequent water inflow after adjustment, M Z As the total water inflow, M Y The sum of the actual water inflow in the process of pre-water inflow of the washing machine and the water inflow of pre-stored water in the washing barrel or water manually added by a user in the middle.
2. The method according to claim 1, wherein the washing machine sets a total water inflow and a pre-inflow, the washing machine performs a pre-inflow process of water into the washing tub, detects an actual water inflow of the washing tub after the pre-inflow process is completed, determines a water inflow deviation parameter according to the actual water inflow and the pre-inflow, and adjusts a subsequent water inflow according to the water inflow deviation parameter.
3. A method of controlling water inflow of a washing machine as claimed in claim 2, wherein the washing machine includes a flow meter, and wherein the washing machine controls water inflow of the pre-inflow amount into the tub through the flow meter during the pre-inflow.
4. A method of controlling water inflow of a washing machine according to claim 2, wherein the washing machine detects a load of the washing tub after the pre-water inflow process is finished, and determines an actual water inflow amount of the washing tub according to a difference between the load of the washing tub and a weight of laundry to be washed.
5. The water inflow control method of a washing machine as claimed in claim 4, wherein the washing machine control motor detects a load of the washing tub: when the inner barrel of the washing machine is controlled to rotate to a set rotating speed, the motor is controlled to be powered off, an output signal of the motor is detected, and the load of the washing barrel is determined according to the output signal.
6. The water inflow control method of a washing machine according to claim 1, wherein the washing machine performs a secondary water inflow process of the adjusted subsequent water inflow into the washing tub, detects an actual total water inflow of the washing tub after the secondary water inflow process is completed, determines a water replenishment amount according to a difference between the actual total water inflow and a total water inflow set by the washing machine, and performs a water replenishment process of the water replenishing amount into the washing tub.
7. The water inflow control method of a washing machine as claimed in claim 6, wherein the washing machine is according to formula M b ＝(M Z –M f ) Correction of the water supply quantity and water supply according to the corrected water supply quantity, wherein M is as follows b For the corrected water supply quantity M f Is the actual total water inflow of the washing barrel detected after the secondary water inflow process is finished.
8. A method of controlling water inflow of a washing machine as claimed in any one of claims 1 to 7, wherein the washing machine determines a total inflow and a pre-inflow according to the weight of laundry; wherein the pre-water inflow is 20% -70% of the total water inflow, or the pre-water inflow is a fixed value.
9. A washing machine employing a water inflow control method of a washing machine as claimed in any one of claims 1 to 8, comprising a cabinet and a washing tub rotatably provided in the cabinet, the washing tub being for holding washing water during washing.
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| CN113652836B (en) * | 2021-08-10 | 2023-02-24 | 珠海格力电器股份有限公司 | Water inlet control method of washing machine and washing machine |
| CN114277549A (en) * | 2021-12-27 | 2022-04-05 | 海信（山东）冰箱有限公司 | Washing machine and control method thereof |
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