CN109594302B - Washing machine, washing machine control method and control system - Google Patents
Washing machine, washing machine control method and control system Download PDFInfo
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- CN109594302B CN109594302B CN201811435591.XA CN201811435591A CN109594302B CN 109594302 B CN109594302 B CN 109594302B CN 201811435591 A CN201811435591 A CN 201811435591A CN 109594302 B CN109594302 B CN 109594302B
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- 238000005406 washing Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 275
- 230000001954 sterilising effect Effects 0.000 claims abstract description 39
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 18
- 238000010412 laundry washing Methods 0.000 claims 2
- 241000894006 Bacteria Species 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
- A61L2/06—Hot gas
- A61L2/07—Steam
-
- 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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/20—Targets to be treated
- A61L2202/26—Textiles, e.g. towels, beds, cloths
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention provides a washing machine, a control method and a control system of the washing machine, and relates to the technical field of washing equipment. Comprising the following steps: the steam box is provided with a containing cavity, and the heating element is arranged in the containing cavity; one end of the steam box is provided with a water inlet, and the other end of the steam box is provided with a water outlet and a steam outlet; the steam outlet and the water outlet are communicated with a roller of the washing machine. Washing water entering the washing machine can enter the roller through the water outlet; the water in the steam sterilization device flows under the condition of continuously feeding water, and then the water continuously enters the washing or rinsing cycle. The water in the steam device cannot flow for a long time to grow bacteria, so that the water in the steam device is kept fresh, and the steam sterilization effect of clothes is ensured. In addition, the steam sterilization device and the roller adopt a unified water inlet for water inflow, thereby improving the water inflow mode.
Description
Technical Field
The invention relates to the technical field of washing equipment, in particular to a washing machine, a control method and a control system of the washing machine.
Background
With the improvement of living standard, the traditional washing technology cannot meet the pursuit of consumers for healthy life. Various washing machine companies put forward products with sterilizing and disinfecting functions in order to maintain market advantages. The method for sterilizing the clothes by utilizing high-temperature steam is the most common and simple method, and the steam generating device has a simple structure, so that each washing machine manufacturer usually adopts the method for sterilizing the clothes.
In order to ensure safe and stable operation of the electric heater in the existing steam sterilizing device in the market, the electric heater needs to be completely overflowed every time water enters, so that the surface of the electric heater is ensured to maintain a lower temperature. Therefore, a certain amount of water is always stored in the steam box, and the water in the steam box can be always remained in the steam box after the steam program is finished and cannot be discharged. If the residual water is not recycled for a long time, bacteria can be bred, moss can be formed in the steam box even, and the sterilizing effect of the steam device is affected.
Disclosure of Invention
The invention aims to solve the technical problem that bacteria are bred due to the fact that water in a steam device is not circulated for a long time in the prior art, and mainly aims to provide a steam sterilization device, a washing machine, a control method of the washing machine and a control system, wherein water in the steam device can be discharged in time, and a washing and sterilization water inlet mode of the washing machine is improved.
In a first aspect, the present invention provides a steam sterilization apparatus comprising: the steam box is provided with a containing cavity, and the heating element is arranged in the containing cavity; one end of the steam box is provided with a water inlet, and the other end of the steam box is provided with a water outlet and a steam outlet; the steam outlet and the water outlet are communicated with a roller of the washing machine.
Further, in a preferred embodiment of the present invention, the water outlet is communicated with the drum through a first pipeline, and a first drain valve is disposed on the first pipeline.
Further, in a preferred embodiment of the present invention, the water outlet is communicated with a drainage system of the washing machine through a second pipeline, and a second drainage valve is arranged on the second pipeline.
Further, in a preferred embodiment of the present invention, the heating device and the water inlet are disposed at the same end of the steam box.
Further, in a preferred embodiment of the present invention, the water blocking component is disposed in the accommodating cavity, and the water blocking component divides the accommodating cavity into a first cavity and a second cavity which are communicated with each other;
the first cavity is provided with the water inlet, and the second cavity is provided with a water outlet and a steam outlet; the heating element is located within the first cavity.
Further, in a preferred embodiment of the present invention, the water blocking component is a water blocking board fixedly disposed in the accommodating cavity, and a flow passage is provided between the water blocking board and one side wall of the steam box, so that the first cavity is communicated with the second cavity.
Further, in a preferred embodiment of the present invention, a water level sensor is disposed in the accommodating chamber.
In a second aspect, an embodiment of the present invention provides a washing machine, including a drum and the steam sterilization apparatus according to any one of the above, wherein water enters the accommodating chamber through the water inlet, and can enter the drum through the water outlet.
Further, in a preferred embodiment of the present invention, a water inlet valve is disposed at the water inlet.
In a third aspect, an embodiment of the present invention provides a control method of a washing machine, including the steps of:
s1: detecting the working mode of the washing machine, switching to the step S2 if the washing machine is in a steam mode, and switching to the step S5 if the washing machine is in a washing or rinsing mode;
s2: detecting the current water level of the steam box, judging whether the detected current water level reaches a first threshold value,
if yes, turning to step S3, if not, turning to step S4;
s3, sending an opening instruction to the heating element;
s4: sending an opening instruction to a water inlet valve to control the water inlet of the water inlet valve to enter water;
s5: and sending an opening instruction to the water inlet valve and the first drain valve to control the water inlet to wash.
Further, in a preferred embodiment of the present invention, in step S2, the method further includes:
detecting the current water level of the steam box, and if the detected current water level exceeds a second threshold value, turning to step S6;
s6: and sending an opening instruction to the second drain valve and a closing instruction to the first drain valve.
In a fourth aspect, an embodiment of the present invention provides a control system of a washing machine, including:
the first detection unit is used for detecting the working mode of the washing machine and outputting the current working mode;
the control unit is used for receiving the current working mode output by the first detection unit, and outputting a water level detection instruction if the current working mode is a steam mode; if the current working mode is a washing or rinsing mode, sending an opening instruction to the water inlet valve and the first drain valve to control the water inlet to wash;
the second detection unit is used for detecting the current water level of the steam box when receiving the water level detection instruction sent by the control unit;
a comparison unit for receiving the current water level detected by the second detection unit and judging whether the current water level reaches a first threshold value,
if yes, sending an opening instruction to the heating element; if not, sending an opening instruction to the water inlet valve to control the water inlet of the water inlet.
The steam sterilizing device, the washing machine, the control method and the control system of the washing machine provided by the embodiment of the invention are characterized in that the steam box is provided with an independent water inlet and an independent water outlet, and the water outlet can be communicated with a roller of the washing machine. In the steam mode, the water inlet is used for feeding water to the steam box for heating and evaporating, and steam generated by evaporation enters the roller from the steam outlet for sterilizing the roller clothes. In addition, washing water of the washing machine can enter the roller through the water outlet; the water in the steam sterilization device flows under the condition of continuously feeding water, and then the water continuously enters the washing or rinsing cycle. The water in the steam device cannot flow for a long time to grow bacteria, so that the water in the steam device is kept fresh, and the steam sterilization effect of clothes is ensured. In addition, the steam sterilization device and the roller adopt a unified water inlet for water inflow, thereby improving the water inflow mode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a steam sterilization apparatus according to an embodiment of the present invention;
fig. 2 is a sectional view of a steam sterilization apparatus according to an embodiment of the present invention;
fig. 3 is a control diagram of a steam sterilization apparatus according to an embodiment of the present invention.
Reference numerals:
1 first cavity 12 second cavity 13 upper cover 14 lower cover 2 heating element of steam box 11
3 water inlet 31 water inlet valve 4 water outlet 41 first drain valve 42 second drain valve
5 steam outlet 6 water baffle 7 control unit 8 first detection unit 9 second detection unit
10 comparison unit
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
An embodiment of the present invention provides a steam sterilization apparatus, including: a steam box 1 and a heating element 2, wherein the steam box 1 is provided with a containing cavity, and the heating element 2 is arranged in the containing cavity; one end of the steam box 1 is provided with a water inlet 3, and the other end of the steam box 1 is provided with a water outlet 4 and a steam outlet 5; the steam outlet 5 and the water outlet 4 are communicated with a drum of the washing machine. The steam box 1 is provided with an independent water inlet 3 and an independent water outlet 4, and the water outlet 4 can be communicated with a drum of the washing machine. In the steam mode, the water inlet 3 is used for feeding water into the steam box 1 for heating and evaporating, and steam generated by evaporation enters the drum through the steam outlet 5 for sterilizing the drum clothes. In addition, washing water of the washing machine can enter the roller through the water outlet 4; the water in the steam sterilization device flows under the condition of continuously feeding water, and then the water continuously enters the washing or rinsing cycle. The water in the steam device cannot flow for a long time to grow bacteria, so that the water in the steam device is kept fresh, and the steam sterilization effect of clothes is ensured. In addition, the steam sterilization device and the roller adopt a unified water inlet 3 for water inflow, thereby improving the water inflow mode.
In the steam sterilization apparatus provided by the embodiment of the present invention, the water outlet 4 is communicated with the drum through a first pipeline, and a first drain valve 41 that can be controlled by a control system of the washing machine is disposed on the first pipeline, and the control system can control to open the first drain valve 41 according to actual conditions, so as to achieve water inflow into the drum.
In addition, the steam device in the prior art detects the water level condition in the steam box 1, thereby judging whether the steam device needs water inlet or not. When the washing machine fails, after entering the steam program, the water valve can be always in water, so that the water in the steam box 1 overflows from the steam port above to wet clothes in the drum. To solve such a problem, in a preferred embodiment of the present invention, the water outlet 4 is connected to the water discharge system of the washing machine through a second pipe, and a second water discharge valve 42 is provided on the second pipe, which is controllable by the control system of the washing machine. Detecting water level information in the steam sterilization device, when the water level information exceeds a preset threshold value, the second drain valve 42 can be controlled to be opened, and the first drain valve 41 can be controlled to be closed, so that redundant water can be discharged to a drainage system through a second pipeline and then discharged, and clothes are prevented from being wetted.
As shown in fig. 1-2, in the steam sterilization device provided by an embodiment of the present invention, the heating device and the water inlet 3 are disposed at the same end of the steam box 1, so as to facilitate processing and control; the water intake should satisfy the condition of covering the heating element 2 such as an electric heater.
In order to further prevent overflow of water, the steam sterilization device according to an embodiment of the present invention further includes a water blocking member disposed in the accommodating cavity, the water blocking member dividing the accommodating cavity into a first cavity 11 and a second cavity 12 which are communicated with each other; as shown in fig. 1-2, the said has; the water inlet 3 and the heating element 2 are positioned at one side of the first cavity 11, and the water outlet 4 and the steam outlet 5 are positioned at one side of the second cavity 12. The water quantity in the first cavity 11 can be used as the conventional required quantity for the steam sterilization device to work, and the water quantity can be controlled to fill the first cavity 11 only when the steam sterilization device works.
The water blocking member may have a structure with a communication hole, in this embodiment, the water blocking member is a water blocking plate 6 fixedly disposed in the accommodating cavity, and a flow passage is provided between the water blocking plate 6 and one side wall of the steam box 1, so that the first cavity 11 is communicated with the second cavity 12. As shown in fig. 1-2, the water deflector 6 has a lower height than the steam box 1, such that a channel is formed between the water deflector 6 and the upper cover 13 of the steam box 1, for water to flow from the first chamber 11 into the second chamber 12 and thus into the drum.
The present invention adopts a water level sensor connected with a washing machine controller to detect the water level of the first cavity 11 and the second cavity 12. As shown in fig. 2, in order to facilitate efficient discharge of the heated steam in the first chamber 11, the steam outlet 5 may be disposed opposite to the flow path formed by the water deflector 6 and the steam box 1. In addition, the steam outlet 5 and the water outlet 4 are arranged on two sides of the steam box 1, preferably, the water outlet 4 is arranged on the lower cover 14 of the steam box 1 to prevent the water of steam from overflowing; the steam outlet 5 is provided in a side wall of the steam box 1.
Another embodiment of the present invention provides a washing machine, including a control system, a drainage system, a drum, and a steam sterilization apparatus according to any one of the above, wherein water enters the accommodating chamber through the water inlet 3 and can enter the drum through the water outlet 4.
In order to control water inflow and water inflow conveniently, a water inlet valve 31 connected with a control system is arranged at the water inlet 3, the control system controls whether the water inlet valve 31 is in water inflow or not, and whether water inflow or closing is continued or not can be determined according to water level information.
In another embodiment of the present invention, a control method of a washing machine includes:
s1: detecting the working mode of the washing machine, switching to the step S2 if the washing machine is in a steam mode, and switching to the step S5 if the washing machine is in a washing or rinsing mode;
s2: the current water level of the steam box 1 is detected, and whether the detected current water level reaches a first threshold value is judged,
if yes, turning to step S3, if not, turning to step S4;
wherein the first threshold refers to the amount of water that the intake water can cover the heating element 2;
s3, sending an opening instruction to the heating element 2;
s4: an opening instruction is sent to the water inlet valve 31 to control the water inlet 3 to feed water;
s5: an opening command is given to the water inlet valve 31 and the first water discharge valve 41 to control the water inlet 3 to wash.
For example, after a user selects a washing or rinsing program, the control system controls the water inlet valve to be opened, water enters from the water inlet 3, washing or rinsing water enters into the steam box 1 from the water inlet 3, and as the water quantity increases, the water enters beyond the water baffle 6, flows out from the water outlet 4 and enters into the bottom of the roller to carry out the washing or rinsing process; the water inlet can be closed after the washing dosage is reached.
After the steam mode is selected, whether water needs to be continuously added is determined according to the measured water level information, if water is fed into the washing mode in the water feeding flow, the water quantity in the first cavity 11 is still sufficient due to the arrangement of the water baffle 6, and the water level required by the opening of the electric heater is met; the heating element 2 can directly start to work without water inflow, and steam sterilization is carried out. The water inlet process of the steam device is canceled, so that the time is saved, and the overflow situation possibly occurring after the steam water inlet fails is avoided. In order to ensure the steam quantity, when the water level does not meet the use requirement of the heating element 2 and water needs to be replenished again, the control system controls the water inlet valve to be opened, and water is continuously fed through the water inlet 3.
In step S2, further comprising:
detecting the current water level of the steam box 1, and if the detected current water level exceeds a second threshold value, turning to step S6;
s6: an opening instruction is issued to the second drain valve 42, and a closing instruction is issued to the first drain valve 41.
For example, when the steam device is in use and the water is too much, the second threshold value means that the water level reaches the height of the water baffle 6 (the height of the water baffle 6 is shown in fig. 2), or the water amount reaches the volume of the first cavity 11, at this time, the control system controls the second drain valve to open and the first drain valve to close, and the excessive water is discharged through the drain system, so that the condition of wetting the laundry in the drum does not occur
Accordingly, as shown in fig. 3, a control system of a washing machine according to an embodiment of the present invention includes:
a first detecting unit 8, wherein the first detecting unit 8 is used for detecting the working mode of the washing machine and outputting the current working mode; the first detection unit 8 may be a control button or an operation panel of the washing machine, and transmits an operation instruction of a user to the control unit 7;
the control unit 7 is configured to receive the current working mode output by the first detection unit 8, and if the current working mode is a steam mode, output a water level detection instruction; if the current working mode is a washing or rinsing mode, an opening instruction is sent to the water inlet valve 31 and the first drain valve 41 to control the water inlet 3 to carry out water inlet washing;
a second detecting unit 9 for detecting the current water level of the steam box 1 when receiving the water level detection instruction sent by the control unit 7; the second detection unit 9 may be a water level sensor;
a comparing unit 10 for receiving the current water level detected by the second detecting unit 9 and judging whether the current water level reaches a first threshold,
if yes, sending an opening instruction to the heating element 2; if not, an opening instruction is sent to the water inlet valve 31 to control the water inlet 3 to enter water.
Since most users use the washing machine to wash laundry substantially every day or every two days, the water circulation in the steam box 1 can be largely ensured to be fresh. If the water in the steam box 1 is fresh water when the steam program is used each time, the water inlet 3 can control the water to enter more water firstly, promote the water to enter to flow through the water baffle 6, take away the water remained in the steam box 1 before and discharge the water out of the steam box 1.
In summary, the steam sterilization device, the washing machine, the control method and the control system provided by the embodiment of the invention have the following technical effects:
the drum and the steam sterilization device are provided with the same water inlet 3, and water left in the steam device can be continuously and circularly updated by utilizing water inlet of washing, rinsing, spraying and the like, so that bacteria breeding caused by long-time non-use of the steam device is avoided;
after the water inlet of the roller is combined with the water inlet of the steam, the number of water valves can be reduced, so that the material cost is reduced.
Through the control method, the control system, the connection mode of the water outlet 4 and the drainage system and the arrangement of the water baffle 6, the steam sterilization device is effectively prevented from overflowing and wetting clothes in the drum, excessive water can be controlled to be discharged from the drainage system, and the control logic of the washing machine system with steam sterilization is simplified.
In the description of the present invention, it should be understood that the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, that is, the corresponding orientations when the air conditioner is normally installed. It is used merely for convenience in describing the invention and to simplify the description and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A washing machine, comprising:
a roller; and
a steam sterilization apparatus comprising: the steam box (1) is provided with a containing cavity, and the heating element (2) is arranged in the containing cavity; one end of the steam box (1) is provided with a water inlet (3), and the other end of the steam box (1) is provided with a water outlet (4) and a steam outlet (5); the steam outlet (5) and the water outlet (4) are communicated with a roller of the washing machine;
the water outlet (4) is communicated with the roller through a first pipeline, and a first drain valve (41) is arranged on the first pipeline; the water outlet (4) is communicated with a drainage system of the washing machine through a second pipeline, and a second drainage valve (42) is arranged on the second pipeline;
water enters the accommodating cavity through the water inlet (3) and can enter the roller through the water outlet (4);
the washing machine further comprises a water blocking piece arranged in the accommodating cavity, and the water blocking piece divides the accommodating cavity into a first cavity (11) and a second cavity (12) which are communicated with each other;
the first cavity (11) is provided with the water inlet (3), and the second cavity (12) is provided with a water outlet (4) and a steam outlet (5); -said heating element (2) is located within said first cavity (11);
the water blocking component is a water blocking plate (6) fixedly arranged in the accommodating cavity, a flow passage is arranged between the water blocking plate (6) and one side wall of the steam box (1) so as to enable the first cavity (11) to be communicated with the second cavity (12), wherein the height of the water blocking plate (6) is lower than that of the steam box (1), and the flow passage is formed between the water blocking plate (6) and an upper cover (13) of the steam box (1);
the washing machine has a steam mode, a washing or rinsing mode;
-in the washing or rinsing mode, opening the first drain valve (41) to allow water to enter the steam box (1) through the water inlet (3);
in the steam mode, if the current water level of the steam box (1) reaches a first threshold value, the heating element (2) is started for steam sterilization; -opening the second drain valve (42) and simultaneously closing the first drain valve (41) if the current water level of the steam box (1) exceeds a second threshold;
the first threshold is the water level required by the water quantity in the first cavity (11) to meet the requirement of starting the heating element (2), and the second threshold is the current water level reaching the height of the water baffle (6) or the water quantity reaching the volume of the first cavity (11).
2. Laundry washing machine according to claim 1, characterized in that the heating element (2) and the water inlet (3) are provided at the same end of the steam box (1).
3. The washing machine as claimed in claim 1, wherein a water level sensor is provided in the receiving chamber.
4. Laundry washing machine according to claim 1, characterized in that the water inlet (3) is provided with a water inlet valve.
5. A control method of a washing machine, characterized in that the washing machine is a washing machine as claimed in any one of claims 1 to 4, comprising the steps of:
s1: detecting the working mode of the washing machine, switching to the step S2 if the washing machine is in a steam mode, and switching to the step S5 if the washing machine is in a washing or rinsing mode;
s2: detecting the current water level of the steam box (1), and judging whether the detected current water level reaches a first threshold value, wherein the first threshold value is the water level required by the water quantity in the first cavity (11) to meet the requirement of starting the heating element (2);
if yes, turning to step S3, if not, turning to step S4;
s3, sending an opening instruction to the heating element (2);
s4: sending an opening instruction to a water inlet valve (31) to control the water inlet of the water inlet (3);
s5: opening instructions are sent to the water inlet valve (31) and the first drain valve (41) to control the water inlet (3) to wash water;
in step S2, further comprising:
detecting the current water level of the steam box (1), and if the detected current water level exceeds a second threshold value, turning to step S6; the second threshold value is the height of the current water level reaching the water baffle (6) or the volume of the water reaching the first cavity (11);
s6: an opening instruction is issued to the second drain valve (42), and a closing instruction is issued to the first drain valve (41).
6. A control system of a washing machine, characterized in that the washing machine is a washing machine as claimed in any one of claims 1 to 4, comprising:
the first detection unit (8), the said first detection unit (8) is used for detecting the working pattern of the washing machine, and output the present working pattern;
the control unit (7) is used for receiving the current working mode output by the first detection unit (8), and outputting a water level detection instruction if the current working mode is a steam mode; if the current working mode is a washing or rinsing mode, an opening instruction is sent to the water inlet valve (31) and the first drain valve (41) to control the water inlet (3) to enter water for washing;
a second detection unit (9) for detecting the current water level of the steam box (1) when receiving the water level detection instruction sent by the control unit (7);
the comparison unit (10) is used for receiving the current water level detected by the second detection unit (9) and judging whether the current water level reaches a first threshold value, wherein the first threshold value is the water level of the first cavity (11) required by starting the heating element (2);
if yes, an opening instruction is sent to the heating element (2); if not, sending an opening instruction to the water inlet valve (31) to control the water inlet of the water inlet (3);
the comparison unit (10) is further used for judging whether the detected current water level exceeds a second threshold value, wherein the second threshold value is that the current water level reaches the height of the water baffle (6) or the water quantity reaches the volume of the first cavity (11);
if so, an opening instruction is sent to the second drain valve (42), and a closing instruction is sent to the first drain valve (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811435591.XA CN109594302B (en) | 2018-11-28 | 2018-11-28 | Washing machine, washing machine control method and control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN111286930A (en) * | 2020-02-25 | 2020-06-16 | 青岛海尔滚筒洗衣机有限公司 | Clothes disinfection and sterilization method of drum washing machine and drum washing machine |
| CN111648095B (en) * | 2020-07-15 | 2023-08-25 | 珠海格力电器股份有限公司 | Steam generating device, washing machine and drainage method |
| CN113969486A (en) * | 2020-07-23 | 2022-01-25 | 无锡小天鹅电器有限公司 | Clothes treatment equipment, control method and device thereof and storage medium |
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| EP1544345A2 (en) * | 2003-12-16 | 2005-06-22 | Samsung Electronics Co., Ltd. | Washing machine |
| CN104746313A (en) * | 2015-03-31 | 2015-07-01 | 无锡小天鹅股份有限公司 | Washing machine and heating device thereof |
| CN209686110U (en) * | 2018-11-28 | 2019-11-26 | 珠海格力电器股份有限公司 | Steam sterilization system and washing machine comprising it |
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| KR100517613B1 (en) * | 2003-03-31 | 2005-09-28 | 엘지전자 주식회사 | Drum washer by spray steam |
| KR101199361B1 (en) * | 2005-08-25 | 2012-11-09 | 엘지전자 주식회사 | washing device and method thereof |
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| EP1544345A2 (en) * | 2003-12-16 | 2005-06-22 | Samsung Electronics Co., Ltd. | Washing machine |
| CN104746313A (en) * | 2015-03-31 | 2015-07-01 | 无锡小天鹅股份有限公司 | Washing machine and heating device thereof |
| CN209686110U (en) * | 2018-11-28 | 2019-11-26 | 珠海格力电器股份有限公司 | Steam sterilization system and washing machine comprising it |
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