CN108560194B - Washing machine control method and washing machine - Google Patents

Washing machine control method and washing machine Download PDF

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Publication number
CN108560194B
CN108560194B CN201810145891.8A CN201810145891A CN108560194B CN 108560194 B CN108560194 B CN 108560194B CN 201810145891 A CN201810145891 A CN 201810145891A CN 108560194 B CN108560194 B CN 108560194B
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water
washing machine
washing
sterilization
program
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CN108560194A (en
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张皓钧
方大丰
薛凯
逯迎
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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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    • 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 
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C02F1/325Irradiation devices or lamp constructions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • D06F2202/085
    • D06F2204/10
    • D06F2220/00

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

The invention discloses a washing machine control method and a washing machine.A sterilization device operates to sterilize washing water in a local area of a water containing barrel when the washing machine executes a sterilization program, and agitates the washing water in the water containing barrel at intervals to enable the washing water to be in a static state and a flowing state alternately so as to comprehensively sterilize the washing water in the water containing barrel. The washing water in the water containing barrel is stirred in the sterilization process, the washing water and the sterilization device are enabled to flow at intervals, so that the washing water contained in the water containing barrel is fully sterilized by using the low-power sterilization lamp, the washing water in the water containing barrel is circularly sterilized, the sterilization efficiency of the washing water is improved, the sterilization rate of the washing water after the sterilization program is completely executed reaches more than 99%, and the purpose of fully sterilizing the water containing barrel by using the low-power sterilization lamp is achieved.

Description

Washing machine control method and washing machine
Technical Field
The invention relates to the technical field of washing machines, in particular to a washing machine control method and a washing machine.
Background
With the development of the washing machine industry, the requirements of consumers on the laundry health are higher and higher. In the related art of sterilizing the washing machine, the clothes in the washing machine are usually sterilized by ozone, high temperature or silver ions, but the high-pressure device used for ozone sterilization has high cost, and the generated ozone has certain damage to the clothes; high-temperature sterilization needs to heat water in the washing machine, so that a large amount of heat energy is needed, and a large amount of time is wasted for a user in a heating stage; silver ion sterilization also has the problem of high cost.
Chinese patent application No. 201621101272.1 discloses a pulsator washing machine, which comprises: the washing machine comprises a washing barrel, a wave wheel, a power generation module and an ultraviolet generation module, wherein a washing cavity and a circulating water channel are limited in the washing barrel, the washing barrel is provided with a circulating water inlet and a circulating water outlet which are communicated with the washing cavity, and the upper end and the lower end of the circulating water channel are respectively communicated with the circulating water inlet and the circulating water outlet; the impeller is pivotally arranged in the washing cavity, so that water in the washing cavity flows into the circulating water channel from the circulating water outlet and flows into the washing cavity from the circulating water inlet under the driving of the impeller; the power generation module generates electric energy by utilizing water flow; the ultraviolet generation module is respectively connected with the circulating water channel and the power generation module, and generates ultraviolet rays by using electric energy so as to carry out ultraviolet irradiation sterilization on water in the circulating water pipe. The ultraviolet generation module is arranged in the circulating water channel, and when the washing machine carries out circulating sterilization under the condition of more water, the required time is longer, and the sterilization rate is lower.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a washing machine control method and a washing machine so as to realize the purpose of comprehensively sterilizing the water containing barrel of the washing machine; another objective is to provide a control method to achieve the purpose of using a low-power sterilization device to perform comprehensive sterilization on the washing water in the tub, so as to achieve the purposes of reducing energy consumption during sterilization and reducing production cost of the washing machine.
In order to solve the technical problems, the invention adopts the technical scheme that:
a washing machine control method is provided, when a washing machine executes a sterilization program, a sterilization device operates to sterilize washing water in a local area of a water containing barrel, and agitates the washing water in the water containing barrel at intervals so that the washing water is alternately in a static state and a flowing state to comprehensively sterilize the washing water in the water containing barrel. The sterilizing device is used for sterilizing the washing water which circulates to the sterilizing area in the water containing barrel in sequence during operation, so that the washing water in the water containing barrel is comprehensively sterilized, and the sterilizing effect is good.
Further, the sterilizing device is an ultraviolet sterilizing lamp, when a sterilizing program is executed, the ultraviolet sterilizing lamp is turned on to emit ultraviolet rays, the ultraviolet rays irradiate and sterilize the washing water in the covered area, and after the sterilizing program is finished, the ultraviolet sterilizing lamp is turned off.
Further, a driving device is provided in the washing machine, and when the sterilization process is performed, the driving device agitates the washing water in the tub at intervals of time, so that the washing water is alternately in a stationary state and a flowing state.
Furthermore, when the washing machine executes the sterilization program, the ultraviolet sterilization lamp is turned on to emit ultraviolet rays to irradiate and sterilize the washing water in the sterilization area, the driving device stirs the washing water in the washing machine once every T1 time interval, so that the sterilized washing water in the washing machine is diffused to other areas, the unsterilized washing water flows to the sterilization area, and the ultraviolet sterilization lamp is turned off after the washing machine executes the sterilization program for T2 time.
Further, when the water level in the tub reaches and/or is higher than the preset water level, the sterilizing region is completely covered by the wash water in the tub, and the washing machine performs a sterilizing process.
Further, the preset water level of the washing machine is a lowest water level at which the washing water in the tub completely covers the sterilization area or a lowest water level at which the washing water in the tub completely sinks the laundry. When the washing water in the water tub passes through the clothes, the washing machine executes a sterilization program, and the washing water can wash away a large amount of bacteria on the clothes in the stirring process of the washing machine, so that the sterilization is more thorough.
Further, the washing machine starts to execute a washing program and/or a rinsing program, when the water level in the water containing barrel reaches a preset water level, the washing machine stops the washing program and/or the rinsing program, the washing machine executes a sterilization program, the ultraviolet sterilization lamp is turned on to emit ultraviolet rays to irradiate and sterilize the washing water in a sterilization area, the driving device stirs the washing water in the water containing barrel once every T1 time interval, the sterilized washing water in the washing machine is diffused to other areas, the unsterilized washing water flows to the sterilization area, the ultraviolet sterilization lamp is turned off after the sterilization program T2 time interval is executed, and the washing machine continues to execute the washing program and/or the rinsing program;
preferably, the washing machine starts to perform a last rinsing process, and performs a sterilization process when the water level in the tub reaches a preset water level. The washing water is sterilized when the water level in the water containing barrel reaches the preset water level, the washing water in the water containing barrel is sterilized at regular time and quantity, and the sterilization rate reaches 99%.
Further, the washing machine starts to execute a washing program and/or a rinsing program, and when the water level in the water tub reaches a preset water level and/or is higher than the preset water level, the washing machine synchronously executes a sterilization program;
preferably, the laundry machine starts to perform a last rinsing process, and the washing machine synchronously performs the sterilization process when the water level in the tub reaches a preset water level and/or is higher than the preset water level. The washing water in the water containing barrel is sterilized through controlling the water level in the water containing barrel and the working time sequence when the sterilization program is executed, so that the sterilization is more thorough.
Another object of the present invention is to provide a washing machine using the above control method, which includes a sterilization device and a driving device, the sterilization device and the driving device being installed in a water tub of the washing machine, the sterilization device being capable of sterilizing wash water in a local region of the water tub, and the driving device being capable of agitating the wash water in the water tub.
Further, the sterilizing device is an ultraviolet sterilizing lamp which can be opened and closed and is arranged in the water bucket, the ultraviolet sterilizing lamp is opened to emit ultraviolet rays, and the ultraviolet rays irradiate and sterilize the washing water in the covered area; preferably, the ultraviolet germicidal lamp is a UV ultraviolet germicidal lamp.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the washing water in the water containing barrel is stirred in the sterilization process, the washing water and the sterilization device are enabled to flow at intervals, so that the washing water contained in the water containing barrel is fully sterilized by using the low-power sterilization lamp, the washing water in the water containing barrel is circularly sterilized, the sterilization efficiency of the washing water is improved, the sterilization rate of the washing water after the sterilization program is completely executed reaches more than 99%, and the purpose of fully sterilizing the water containing barrel by using the low-power sterilization lamp is achieved.
2. The sterilizing device adopts an ultraviolet sterilizing lamp; particularly, the low-power ultraviolet germicidal lamp is adopted to carry out illumination sterilization on a local area in the water containing barrel, and the purpose of carrying out comprehensive sterilization in the water containing barrel is realized by utilizing the stirring water flow, so that the purposes of reducing the power of the ultraviolet germicidal lamp and reducing the cost of the sterilizing device are achieved.
3. When the water level in the washing machine is over the clothes, the ultraviolet sterilizing lamp is turned on to sterilize, so that the clothes are prevented from being damaged due to the fact that the ultraviolet sterilizing lamp directly irradiates the clothes.
4. The washing water in the water containing barrel is sterilized by controlling the water level in the water containing barrel and the working time sequence in the washing machine, so that the washing water in the water containing barrel is sterilized at regular time and quantity, and the washing water is sterilized more comprehensively and thoroughly.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a flow chart illustrating a control method of a washing machine according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a control method for a pulsator washing machine according to an embodiment of the present invention;
FIG. 3 is a flow chart illustrating another method for controlling a washing machine according to an embodiment of the present invention;
FIG. 4 is a schematic view of a washing machine according to an embodiment of the present invention;
FIG. 5 is a schematic view of another washing machine according to the embodiment of the present invention;
fig. 6 is a flow chart of a sterilization process of the washing machine according to the embodiment of the present invention.
In the figure: 1. an inner barrel; 2. a water containing barrel; 3. an ultraviolet germicidal lamp; 4. an impeller; 5. the central axis of the washing machine; 6. a waterway circulation channel; 7. an internal circulation pump; 8. a water inlet of the circulation channel; 9. and a water outlet of the circulating channel.
Detailed Description
As shown in fig. 1, in the embodiment of the present invention, a control method for a washing machine is described, when the washing machine performs a sterilization program, an ultraviolet germicidal lamp is turned on, a driving device agitates washing water in the washing machine once every T1 time, so that the sterilized washing water in the washing machine is diffused to other areas, unsterilized washing water flows to a sterilization area, a sterilization device sterilizes the washing water flowing to the sterilization area, and after the washing machine performs a sterilization program for T2 time, the sterilization device is turned off.
The method specifically comprises the following steps:
s11, the washing machine executes a sterilization program, starts a driving device and turns on an ultraviolet sterilization lamp;
s12, sterilizing the washing water in the sterilization area by using ultraviolet rays emitted by an ultraviolet sterilization lamp, stirring the washing water once by using a driving device at intervals of T1, so that the sterilized washing water in the washing machine is diffused to other areas, the unsterilized washing water flows to the sterilization area, and executing the step S13 after the washing machine executes a sterilization program for T2 time;
s13, turning off the ultraviolet germicidal lamp and the driving device.
In the embodiment of the invention, when the washing machine executes the washing program and/or the rinsing program, the washing machine synchronously executes the sterilization program.
In an embodiment of the present invention, when the washing machine performs a washing process and/or a rinsing process, the washing machine performs a sterilization process when the water level in the tub reaches a preset water level and/or is higher than the preset water level.
In the embodiment of the invention, when the washing machine executes the last rinsing program and the water level in the water bucket is in the preset value, the washing machine executes the sterilization program, and the sterilization effect is optimal.
In the embodiment of the present invention, the time sequence flow executed by the sterilization program is specifically shown in fig. 6, the washing time in the washing and rinsing process includes 60 seconds for adjusting the balance distribution of the laundry, and the rotation stop ratio corresponding to the selected balance water flow of the washing machine is 0.5/0.5 when the balance distribution of the laundry is adjusted. The soaking process is carried out for 30min, and the wave wheel rotation stopping ratio corresponding to the selected soaking water flow in the soaking process is 1.4/18.6. The time for executing the washing process is 30min (including the time for adjusting the balance distribution of the clothes), the selected water flow is circulated for every 3 minutes in the washing process, and the impeller rotation-stop ratio executed by each circulation is as follows: first 1.3/0.7 for 60s and then 1.4/18.6 for 120 s. The rinsing process is performed for 10min (including the time for adjusting the balance distribution of the laundry): in the rinsing process, the selected water flow is circulated for every 3 minutes, and the impeller rotation-stop ratio correspondingly executed in each circulation is as follows: first 1.3/0.7 for 60s and then 1.4/18.6 for 120 s. The rinsing program is executed 3 times by default, and the water level corresponding to the rinsing program is defaulted to be the 4 th water level. The motor frequency in the washing process is 56HZ; the motor frequency during the dehydration was 46HZ.
Example one
As shown in fig. 2, in the embodiment of the present invention, a control method of a pulsator washing machine is introduced, in which an ultraviolet germicidal lamp is turned on to sterilize wash water in a local region of a tub when a sterilization process is performed, and a pulsator stirs the wash water in the tub at intervals of time, so that the wash water is alternately in a stationary state and a flowing state, thereby comprehensively sterilizing the wash water in the tub.
In this embodiment, when the water level in the water tub reaches the preset water level, the washing machine starts to execute the sterilization program, the ultraviolet germicidal lamp is turned on to irradiate and sterilize the washing water in the sterilization area, the impeller agitates the washing water in the washing machine once every T1 time interval, so that the sterilized washing water in the washing machine is diffused to other areas, the unsterilized washing water flows to the sterilization area, and the ultraviolet germicidal lamp is turned off after the washing machine executes the sterilization program for T2 time.
In the present embodiment, when the water level in the tub reaches a preset water level while the washing machine performs the washing course and/or the rinsing course, the washing machine performs the sterilization course.
The method specifically comprises the following steps:
s21, the washing machine executes a washing program and/or a rinsing program, whether the water level in the water containing barrel reaches a preset water level or not is judged, if the water level reaches the preset water level, the washing machine suspends the washing and/or rinsing program, the washing machine executes a step S22, and if the water level does not reach the preset water level, the washing machine continues to execute the washing and/or rinsing program;
s22, the washing machine executes a sterilization program, the ultraviolet sterilization lamp is turned on, the emitted ultraviolet sterilizes the washing water in the sterilization area, the impeller stirs once every T1 time interval, the sterilized washing water in the washing machine is diffused to other areas, the unsterilized washing water flows to the sterilization area, and after the washing machine executes the sterilization program for T2 time, the step S23 is executed;
s23, turning off the ultraviolet germicidal lamp, and continuing to execute the washing program and/or the rinsing program by the washing machine.
In this embodiment, the washing machine starts to perform the last rinsing process, and when the water level in the tub reaches the preset water level and/or is higher than the preset water level, the washing machine synchronously performs the sterilization process, and/or the washing machine suspends the last rinsing process and starts to perform the sterilization process.
In the present embodiment, the preset water level is a lowest water level in the tub during the washing and/or rinsing stage, or a lowest water level when the laundry is completely washed by the wash water in the tub, and it is considered that the wash water in the tub completely covers the germicidal zone of the ultraviolet germicidal lamp at the preset water level.
In the present embodiment, the washing machine starts to perform a sterilization process, the washing machine acquires a weight of laundry in the washing machine, the washing machine sets a minimum water level at which the washing water in the tub completely sinks the laundry according to the acquired weight of the laundry, when the water level in the washing machine reaches the set minimum water level, it is considered that the washing water completely covers a sterilization area of the ultraviolet germicidal lamp, the ultraviolet germicidal lamp is turned on, the pulsator of the washing machine performs agitation once every interval of T1 time, and the ultraviolet germicidal lamp performs a circulation sterilization of the washing water in the tub. When the washing water completely submerges the clothes in the washing machine, the sterilizing device and the impeller operate to circularly sterilize the washing water, and bacteria and the like in the clothes can completely enter the circulating water, so that the sterilization is more thorough.
Example two
As shown in fig. 3, in the embodiment of the present invention, a control method of a washing machine is introduced, when a sterilization process is performed in the washing machine, an ultraviolet germicidal lamp is turned on to sterilize the washing water in a local area in a tub, the sterilized washing water flows back to the tub again under the driving of an internal circulation pump, and the non-sterilized washing water flows to a sterilization area, so that the washing water flows up and down alternately to fully sterilize the washing water in the tub. The ultraviolet germicidal lamp and the internal circulation pump are matched for sterilization, so that the washing water in the water containing barrel is circularly sterilized.
In this embodiment, when the water level in the tub reaches and/or is higher than the preset water level, the washing machine performs the sterilization process and the washing process and/or the rinsing process in synchronization, or the washing machine suspends the washing process and/or the rinsing process, and performs the sterilization process alone.
In this embodiment, during the washing process and/or the rinsing process, when the water level in the tub reaches the preset water level, the washing machine suspends the washing process and/or the rinsing process, the ultraviolet germicidal lamp is turned on, the washing water in the tub is driven by the internal circulation pump to alternately flow up and down, the sterilized washing water flows back into the tub again, the non-sterilized washing water flows to the sterilization area, after the washing machine performs the sterilization process for T2 time, the ultraviolet germicidal lamp and the internal circulation pump are turned off, and the washing machine continues to perform the washing process and/or the rinsing process.
The method specifically comprises the following steps:
s31, the washing machine executes a washing program or a rinsing program, whether the water level in the water containing barrel reaches a preset water level or not is judged, if the water level reaches the preset water level, the washing machine suspends the washing and/or rinsing program, the washing machine executes a step S32, and if the water level does not reach the preset water level, the washing machine continues to execute the washing and/or rinsing program;
s32, the washing machine executes a sterilization program, the ultraviolet sterilization lamp is turned on, the internal circulation pump starts to operate, the ultraviolet sterilization lamp irradiates and sterilizes the washing water in the sterilization area, the internal circulation pump drives the washing water in the water containing barrel to flow up and down alternately, and after the washing machine executes the sterilization program for T2 time, the step S33 is executed;
and S33, turning off the ultraviolet sterilizing lamp and the internal circulating pump, and continuing to execute a washing program and/or a rinsing program by the washing machine.
In this embodiment, the preset water level is a lowest water level when the washing machine performs the washing and/or rinsing process or a lowest water level when the washing water in the tub passes through the laundry. The sterilization program is executed at a low water level, the sterilization speed is high, the water quantity is small, and the sterilization rate is high.
In this embodiment, the washing machine performs a sterilization process, the washing machine acquires a weight of laundry in the washing machine, the washing machine sets a minimum water level at which the washing water in the tub passes through the laundry, and when the water level in the tub reaches the minimum water level at which the laundry passes through the laundry, the ultraviolet germicidal lamp is turned on, and the internal circulation pump drives the washing water in the tub to flow up and down alternately. When the washing water completely submerges the clothes in the washing machine, the ultraviolet germicidal lamp and the internal circulating pump are matched to circularly sterilize the washing water in the water containing barrel, and bacteria in the clothes can completely enter the washing water, so that the sterilization is more thorough.
In this embodiment, when the sterilization process is performed, the internal circulation pump and the pulsator may act together, the washing water in the tub is alternately in a stationary state and a flowing state by being driven and stirred by the pulsator, and the sterilized washing water and the non-sterilized washing water are alternately flowed up and down by being driven by the internal circulation pump.
In this embodiment, the ultraviolet germicidal lamp and the internal circulation pump are disposed at the same side of the water tub, so that the sterilized washing water directly enters the water circulation passage to circulate under the driving of the internal circulation pump.
EXAMPLE III
The embodiment of the invention discloses a control method of a washing machine, wherein the washing machine is provided with an independent sterilization program, when the washing machine executes the sterilization program, an ultraviolet sterilization lamp is turned on to emit ultraviolet rays when the water level in a water drum reaches a preset water level, washing water in a sterilization area is irradiated and sterilized, a driving device stirs the washing water in the washing machine once at intervals of T1 time, so that the sterilized washing water in the washing machine is diffused to other areas, the unsterilized washing water flows to the sterilization area, after the washing machine executes the sterilization program for T2 time, the ultraviolet sterilization lamp is turned off, and the washing machine discharges the sterilized washing water in the water drum. The sterilization program of the washing machine is independently set, so that the user can selectively sterilize clothes in the clothes, and the user experience is improved.
In this embodiment, the steps of the washing machine when executing the operation program are a washing program, a sterilization program, a rinsing program, and a dehydration program, or a washing program, a rinsing program, a sterilization program, and a dehydration program.
In this embodiment, the user may perform the sterilization process before the washing machine is started to operate, or perform the sterilization process before the last rinsing process is started to be performed.
Example four
As shown in fig. 4, the washing machine according to the embodiment of the present invention to which the one or three control methods are applied includes the ultraviolet germicidal lamp 3, the ultraviolet germicidal lamp 3 is disposed at the bottom of the water tub 2, the ultraviolet germicidal lamp sterilizes the washing water in the area covered between the inner tub 1 and the water tub 2 of the washing machine, the washing water in the water tub is agitated by the driving of the pulsator 4, the sterilized washing water is diffused to other areas, and the unsterilized washing water flows to the sterilization area. The ultraviolet germicidal lamp 3 is positioned at the bottom of the water containing barrel 2, so that the clothes in the water containing barrel are prevented from being directly irradiated and sterilized by the ultraviolet germicidal lamp, and the clothes are prevented from being damaged.
In this embodiment, at least two ultraviolet germicidal lamps 3 are disposed at the bottom of the washing tub 2.
Preferably, two ultraviolet germicidal lamps 3 are arranged at the bottom of the washing machine tub 2, and the two ultraviolet germicidal lamps 3 are symmetrically arranged relative to the central axis 5 of the washing machine. In the process of executing the sterilization program, the two ultraviolet sterilization lamps 3 are simultaneously turned on, the sterilization area is enlarged, the washing water in the water containing barrel can be comprehensively sterilized in a short time, the washing water in the water containing barrel is irradiated and sterilized by the low-power ultraviolet sterilization lamps, and the cost of the washing machine is reduced.
In this embodiment, a clothes weight measuring device is disposed in the washing machine, the washing machine obtains the total weight of the clothes placed in the washing machine through the clothes weight measuring device, and the washing machine sets a preset water level in a sterilization program of the washing machine and/or a maximum water level in a working program of the washing machine according to the total weight of the clothes placed in the washing machine.
EXAMPLE five
As shown in fig. 4, the washing machine adopting the control method of the second embodiment of the present invention includes the ultraviolet germicidal lamp 3 and the internal circulation pump 7, the ultraviolet germicidal lamp 3 is used for locally sterilizing the washing water in the tub 2 of the washing machine, and the water path circulation device is used for circulating the washing water in the tub.
In this embodiment, the internal circulation pump 7 is disposed in the waterway circulation channel 6 and close to the circulation channel water inlet 8, and the sterilized washing water in the washing machine enters the waterway circulation channel 6 from the circulation channel water inlet 8 and flows back to the inner tub 2 of the washing machine from the circulation channel water outlet 9 under the driving of the internal circulation pump 7. The washing water in the water tub can flow up and down under the driving of the internal circulation pump.
In this embodiment, the ultraviolet germicidal lamp 3 is disposed at the bottom of the water tub 2, and sterilizes the washing water in the region covered between the water tub 2 and the inner tub 1 of the washing machine, and the washing water in the water tub is agitated by the driving of the internal circulation pump 7, and the sterilized washing water flows back to the water tub through the water path circulation passage, and the non-sterilized washing water circulates to the sterilization region. The ultraviolet germicidal lamp is positioned at the bottom of the water containing barrel 2, so that the phenomenon that the ultraviolet germicidal lamp directly irradiates and sterilizes clothes in the washing machine to damage the clothes is avoided.
In this embodiment, the ultraviolet sterilization device 3 and the internal circulation pump 7 are disposed at the same side of the water tub, under the driving of the internal circulation pump 7, the non-sterilized washing water is circulated and sterilized, and the sterilized washing water directly enters the water path circulation channel 6 and flows back to the inner tub 2 from the water outlet 9 of the circulation channel.
In this embodiment, at least two ultraviolet germicidal lamps 3 are disposed in the washing machine, preferably, two ultraviolet germicidal lamps are disposed in the washing machine, and are both disposed at the bottom of the water tub 2 and symmetrical with respect to the central axis 5 of the water tub, and one of the ultraviolet germicidal lamps 3 is disposed at the bottom of the water tub 2 near the water inlet 8 of the circulation passage. Two sterilamp simultaneous action disinfect, improve the sterilizing efficiency, save user's time. The low-power ultraviolet germicidal lamp is adopted to perform irradiation sterilization in the washing machine, so that the cost of the washing machine is reduced.
In this embodiment, in the washing machine, a clothes weight measuring device is disposed in the washing machine, the washing machine obtains a total weight of the clothes placed in the washing machine through the clothes weight measuring device, and the washing machine sets a preset sterilization program and/or a maximum water level in a working program of the washing machine according to the total weight of the clothes placed in the washing machine.
Although the present invention has been described with reference to the preferred embodiments, 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 (9)

1. A control method of a washing machine is characterized in that: when the washing machine executes a sterilization program, the sterilization device operates to sterilize the washing water in a local area of the water containing barrel, and the washing water in the water containing barrel is stirred at intervals, so that the washing water is alternately in a static state and a flowing state to comprehensively sterilize the washing water in the water containing barrel;
the sterilizing device is an ultraviolet sterilizing lamp which is arranged at the bottom of the water containing barrel, the washing water in the water containing barrel is driven by the inner circulating pump to stir, the sterilized washing water flows back into the water containing barrel through the waterway circulating channel, and the unsterilized washing water circularly flows to the sterilizing area;
starting the washing machine to execute a last rinsing program, and executing a sterilization program by the washing machine when the water level in the washing machine reaches a preset water level;
the washing machine starts to execute a washing program and/or a rinsing program, when the water level in the water containing barrel reaches a preset water level, the washing machine stops the washing and/or rinsing program, the washing machine executes a sterilization program, the ultraviolet sterilization lamp is turned on to emit ultraviolet rays, the ultraviolet rays irradiate and sterilize the washing water in the sterilization area, the driving device stirs the washing water in the water containing barrel once every T1 time interval, the sterilized washing water in the washing machine is diffused to other areas, the unsterilized washing water flows to the sterilization area, the ultraviolet sterilization lamp is turned off after the T2 time interval of the sterilization program is executed, and the washing machine continues to execute the washing program and/or the rinsing program;
the preset water level of the washing machine is the lowest water level at which the washing water in the water bucket completely covers the sterilization area or the lowest water level at which the washing water in the water bucket completely submerges the clothes;
the washing machine is internally provided with a clothes weight measuring device, the washing machine obtains the total weight of clothes placed in the washing machine through the clothes weight measuring device, and the washing machine sets the preset water level in the washing machine sterilization program according to the total weight of the clothes placed in the washing machine.
2. A control method of a washing machine according to claim 1, characterized in that: when the sterilization program is executed, the ultraviolet sterilization lamp is turned on to emit ultraviolet rays, the ultraviolet rays irradiate and sterilize the washing water in the covered area, and after the sterilization program is finished, the ultraviolet sterilization lamp is turned off.
3. A control method of a washing machine according to claim 1, characterized in that: the washing machine is internally provided with a driving device, and when a sterilization program is executed, the driving device stirs the washing water in the water bucket at intervals of a period of time, so that the washing water is alternately in a static state and a flowing state.
4. A control method of a washing machine according to claim 3, characterized in that: when the washing machine executes a sterilization program, the ultraviolet sterilization lamp is turned on to emit ultraviolet rays to irradiate and sterilize washing water in a sterilization area, the driving device stirs the washing water in the washing machine once every T1 time, so that the sterilized washing water in the washing machine is diffused to other areas, unsterilized washing water flows to the sterilization area, and the ultraviolet sterilization lamp is turned off after the washing machine executes the sterilization program for T2 time.
5. A control method of a washing machine according to claim 1, characterized in that: when the water level in the tub reaches and/or is higher than the preset water level, the sterilizing region is completely covered by the wash water in the tub, and the washing machine performs a sterilizing process.
6. A control method of a washing machine according to claim 5, characterized in that: the washing machine starts to execute a washing program and/or a rinsing program, and when the water level in the washing machine is higher than a preset water level, the washing machine synchronously executes a sterilization program.
7. The control method of a washing machine as claimed in claim 6, wherein the washing machine starts to perform a last rinsing process, and the washing machine simultaneously performs the sterilization process when the water level in the washing machine is higher than a preset water level.
8. A washing machine to which the control method of any one of claims 1 to 7 is applied, characterized in that: the washing machine comprises a sterilizing device and a driving device, wherein the sterilizing device and the driving device are installed in a water containing barrel of the washing machine, the sterilizing device can sterilize the washing water in a local area of the water containing barrel, and the driving device can stir the washing water in the water containing barrel.
9. A washing machine as claimed in claim 8, characterized in that: the sterilizing device is an ultraviolet sterilizing lamp which can be opened and closed and is arranged in the water containing barrel, the ultraviolet sterilizing lamp is opened to emit ultraviolet rays, and the ultraviolet rays irradiate and sterilize the washing water in the covered area.
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CN112481930A (en) * 2019-08-20 2021-03-12 青岛海尔洗衣机有限公司 Control method of washing machine and washing machine
CN113914063B (en) * 2020-06-24 2023-11-03 云米互联科技(广东)有限公司 Sterilization method and system for clothes care device, storage medium and device
CN114059290B (en) * 2020-08-04 2023-04-11 青岛海尔洗衣机有限公司 Washing equipment sterilization method and washing equipment

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CN201648777U (en) * 2010-01-18 2010-11-24 李卫泽 Ultraviolet sterilizing device for washing machines
CN101838921B (en) * 2010-05-26 2011-12-21 方益民 Ultraviolet sterilization washing machine
CN102383288B (en) * 2010-08-31 2013-10-02 比亚迪股份有限公司 Sterilizing method for washing machine
CN103276551A (en) * 2013-04-25 2013-09-04 青岛澳柯玛洗衣机有限公司 Pulsator washing machine sterilization method through ultraviolet light
JP2015116296A (en) * 2013-12-18 2015-06-25 株式会社東芝 Washing machine
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