Washing appliance

Abstract

The utility model discloses a kind of washing electric appliances. Washing electric appliance includes filter assembly, check valve and washing cavity, filter assembly is used to filter hardness ion and purify water quality, the import of check valve is used to connect with water source, the outlet of check valve is connected with the import of filter assembly, the outlet of filter assembly is connected with washing cavity. In the above washing electric appliance, the softening and purification of water can be realized by using filter assembly, so as to realize the salt-free soft water technology of washing electric appliance, simplify the operation of user, and save use cost, at the same time, check valve can ensure water pressure to a certain extent, so that water can smoothly pass through filter assembly, to a certain extent, ensure the effect of filter assembly.

Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, and in particular to a washing appliance. Background Technology

[0002] In related technologies, dishwashers can clean dishes. The water entering a dishwasher is typically treated first through a breather and then through a water softener to create softened water. Using softened water reduces limescale buildup on the heating elements, the cavity, and the surface of the dishes. However, current dishwasher water softeners require the addition of softening salt for regeneration, leading to cumbersome operation and high operating costs for users. Utility Model Content

[0003] This utility model provides a washing appliance to solve at least one of the above-mentioned technical problems.

[0004] This utility model provides a washing appliance, which includes a filter assembly, a one-way valve, and a washing chamber. The filter assembly is used to filter hardness ions and purify water quality. The inlet of the one-way valve is connected to a water source, the outlet of the one-way valve is connected to the inlet of the filter assembly, and the outlet of the filter assembly is connected to the washing chamber.

[0005] In the aforementioned washing appliances, the filter components can be used to soften and purify the water, thereby achieving salt-free soft water technology in the washing appliances, simplifying user operation and saving operating costs. At the same time, the one-way valve can ensure water pressure to a certain extent, allowing water to pass smoothly through the filter components and ensuring the effectiveness of the filter components to a certain extent.

[0006] In some embodiments, the filtration assembly includes at least one of an ultrafiltration assembly, a nanofiltration assembly, and a reverse osmosis assembly.

[0007] Among the aforementioned washing appliances, different types and combinations of filter components can be flexibly selected to adapt to different filtration objectives.

[0008] In some embodiments, the washing appliance includes a water inlet valve, the outlet of which is connected to the inlet of the one-way valve, the inlet of which is used to connect to a water source.

[0009] The aforementioned washing appliances can, to a certain extent, ensure stable inlet water pressure and prevent siphoning.

[0010] In some embodiments, the washing appliance includes a water distribution component, which includes a first outlet and a second outlet, and the inlet of the water distribution component is connected to the outlet of the one-way valve. The first outlet is connected to the washing chamber through the filter assembly, so that the raw water flowing out of the first outlet is filtered and then flows into the washing chamber. The second outlet is connected to the washing chamber, so that the raw water flowing out of the second outlet flows into the washing chamber. The water distribution component has a first state and a second state. In the first state, the water distribution component causes raw water to flow out from the first outlet and the second outlet. In the second state, the water distribution component causes raw water to flow out from the second outlet.

[0011] In the aforementioned washing appliances, the water distribution unit can switch between different states to form different types of washing water.

[0012] In some embodiments, the water distribution element includes a two-way valve.

[0013] The aforementioned washing appliances can achieve rapid switching of the water distribution unit's status.

[0014] In some embodiments, when the water quality parameters of the raw water are greater than a first set value, the water separator is in the first state; When the water quality parameters of the raw water are less than or equal to the first set value, the water separator is in the second state.

[0015] Among the aforementioned washing appliances, different washing water can be selected for cleaning based on the water quality parameters of the raw water.

[0016] In some embodiments, when the water quality parameters of the raw water are greater than the first set value and less than or equal to the second set value, the water distribution element is in the first state and satisfies K1 / K2=T1; When the water quality parameters of the raw water are greater than the second set value and less than or equal to the third set value, the water distribution element is in the first state and satisfies K1 / K2=T2; When the water quality parameters of the raw water are greater than the third set value, the water distribution element is in the first state and satisfies K1 / K2=T3; Where T1>T2>T3, K1 is the volume of raw water, and K2 is the volume of filtered water.

[0017] Among the aforementioned washing appliances, different proportions of raw water and filtered water can be selected for cleaning based on the raw water quality parameters.

[0018] In some embodiments, the water distributor has a third state in which the water distributor causes the raw water to flow out from the first outlet.

[0019] Among the aforementioned washing appliances, the purity of the washing water during the set washing stage can be guaranteed to a certain extent.

[0020] In some embodiments, when the washing appliance is in the set washing stage, the water distribution element is in the third state.

[0021] Among the aforementioned washing appliances, the purity of the washing water during the set washing stage can be guaranteed to a certain extent.

[0022] In some embodiments, the washing appliance includes a water quality sensor disposed in the washing chamber, the water quality sensor being used to detect the water quality parameters of the raw water, the raw water being introduced into the washing chamber before the washing begins and when the water distribution element is in the second state.

[0023] The aforementioned washing appliances can acquire the water quality parameters of the raw water and control the state of the water distribution component before the washing begins based on the water quality parameters.

[0024] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0025] The above and / or additional aspects and advantages of this invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of the structure of the washing appliance according to an embodiment of the present utility model; Figure 2 This is another structural schematic diagram of the washing appliance according to an embodiment of the present utility model; Figure 3 This is a schematic diagram of the modules of the washing appliance according to an embodiment of the present invention.

[0026] Explanation of key component symbols: Washing chamber-10, filter assembly-20, water distribution component-30, first outlet-31, second outlet-32, one-way valve-40, water inlet valve-50, washing pump-60, spray assembly-70, water quality sensor-80, control assembly-90, processor-91, memory-92, washing appliance-100. Detailed Implementation

[0027] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0028] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. They can refer to a mechanical connection or an electrical connection. They can refer to a direct connection or an indirect connection through an intermediate medium, and they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0030] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0031] This disclosure provides many different embodiments or examples for implementing various structures of the present invention. To simplify the disclosure, specific examples of components and arrangements are described herein. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention; however, those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0032] Please see Figure 1 and Figure 2 The present invention provides a washing appliance 100, which includes a filter assembly 20, a one-way valve 40 and a washing chamber 10. The filter assembly 20 is used to filter hardness ions and purify water quality. The inlet of the one-way valve 40 is used to connect to a water source, the outlet of the one-way valve 40 is connected to the inlet of the filter assembly 20, and the outlet of the filter assembly 20 is connected to the washing chamber 10.

[0033] In the aforementioned washing appliance 100, the filter assembly 20 can be used to soften and purify the water, thereby realizing the salt-free soft water technology of the washing appliance 100, simplifying the user's operation and saving operating costs. At the same time, the one-way valve 40 can ensure water pressure to a certain extent, allowing water to pass smoothly through the filter assembly 20, thus ensuring the effectiveness of the filter assembly 20 to a certain extent.

[0034] Specifically, the washing appliance 100 is an electrical device used for cleaning, disinfecting, or drying items. Optionally, please refer to... Figure 1 and Figure 2 The washing appliance 100 may be a dishwasher. The washing appliance 100 includes a washing chamber 10, the interior of which is provided for loading items (such as tableware, kitchen utensils, etc.). One or more spray assemblies 70 may be provided within the washing chamber. During operation, the washing appliance 100 supplies water to the spray assemblies 70 via a washing pump 60, causing the spray assemblies 70 to spray washing water to clean the items in the washing chamber 10. It is understood that the washing water may include, but is not limited to, raw water (untreated water, such as tap water), filtered water, or a mixture of raw water and filtered water.

[0035] In related technologies, dishwashers typically use tap water for washing. In areas with poor water quality, tap water has a high TDS (Total Dissolved Solids) content, meaning it contains a large amount of hard metal ions such as calcium and magnesium, as well as other impurities. These metal ions and impurities may inhibit the cleaning effect of detergents, and the metal ions can form limescale that adheres to the surface of tableware, resulting in poor cleaning performance.

[0036] Therefore, the washing water in dishwashers generally needs to be treated. The incoming water typically first passes through a breather to reduce the inlet water pressure, and then enters a water softener for treatment. The water softener is filled with softening resin, which removes calcium from the incoming water through an ion exchange reaction. 2+ Mg 2+Water softening technology uses hard metal ions to soften water. However, current water softening technology in dishwashers has certain limitations. Firstly, water softeners require regular addition of softening salt to regenerate the softening resin. This not only increases the user's steps and makes the process cumbersome, but also, as softening salt is a consumable, significantly increases long-term operating costs. Secondly, current water softening technology only focuses on softening the water and does not effectively purify other impurities, bacteria, and viruses, which may adhere to the surface of items and affect their hygiene.

[0037] In this embodiment of the utility model, please refer to Figure 1 and Figure 2 The washing appliance 100 includes a filter assembly 20 and a washing chamber 10, with the outlet of the filter assembly 20 connected to the washing chamber 10. The filter assembly 20 is used to filter hardness ions and purify water (e.g., removing suspended solids, colloids, humic substances, bacteria, viruses, etc. from the influent). The filtered water, after being treated by the filter assembly 20, enters the washing chamber 10 to clean the items inside. This can improve the quality of the washing water to a certain extent, thereby enhancing the cleaning effect. It eliminates the need for adding water softener salt for regeneration, simplifying user operation and saving operating costs.

[0038] The washing appliance 100 also includes a one-way valve 40. The inlet of the one-way valve 40 is connected to a water source (such as a water storage tank or tap water), and the outlet of the one-way valve 40 is connected to the inlet of the filter assembly 20. In related technologies, the water pressure is significantly reduced when the incoming water passes through a breather, resulting in low water pressure. Therefore, in this embodiment of the invention, the one-way valve 40 is used to better maintain the incoming water pressure, allowing the raw water supplied by the water source to pass smoothly through the filter assembly 20. This enables the filter assembly 20 to better trap hardness ions, impurities, etc., resulting in purer filtered water and ensuring a certain level of cleaning effectiveness.

[0039] Understandably, since the one-way valve 40 only allows water to flow in one direction, that is, the raw water can only flow to the filter assembly 20 in one direction through the one-way valve 40, the siphon phenomenon can be prevented.

[0040] In some embodiments, the filtration component 20 includes at least one of an ultrafiltration component, a nanofiltration component, and a reverse osmosis component.

[0041] In this way, different types and combinations of filter components 20 can be flexibly selected to adapt to different filtration objectives.

[0042] Specifically, the ultrafiltration module includes at least one ultrafiltration membrane, the nanofiltration module includes at least one nanofiltration membrane, and the reverse osmosis module includes at least one reverse osmosis membrane. All three membranes—ultrafiltration, nanofiltration, and reverse osmosis—are organic polymer membrane materials with small pore sizes. They can filter out suspended solids, colloids, humic substances, bacteria, and viruses to purify the water, and simultaneously remove a certain proportion of hard ions to soften the water. Different membrane materials and pore sizes can filter impurities of different particle sizes in the water, meeting different water quality requirements. Specifically, the pore size of the ultrafiltration membrane is R1, the nanofiltration membrane is R2, and the reverse osmosis membrane is R3; optionally, R1 > R2 > R3.

[0043] Ultrafiltration membranes have pore sizes R1 ranging from 10 nm to 100 nm. Ultrafiltration membranes can be used to remove most suspended solids, colloids, humic substances, most bacteria and viruses, and a small portion of hard ions from water. Nanofiltration membranes have pore sizes R2 ranging from 1 nm to 10 nm. Nanofiltration membranes can be used to remove most suspended solids, colloids, humic substances, bacteria and viruses, and a large portion of hard ions from water. Reverse osmosis membranes have pore sizes R3 less than 1 nm. Reverse osmosis membranes can be used to remove almost all solutes from water.

[0044] In some embodiments, the filtration component 20 includes one of an ultrafiltration component, a nanofiltration component, and a reverse osmosis component. Optionally, in Figure 1 and Figure 2 In one embodiment, the filtration component 20 includes a nanofiltration component.

[0045] In some embodiments, the filtration assembly 20 includes any two of an ultrafiltration assembly, a nanofiltration assembly, and a reverse osmosis assembly. Optionally, the feed water first undergoes primary filtration through one of the filtration assemblies 20 with a larger membrane pore size to initially remove large particulate impurities from the water, and then undergoes secondary filtration through another filtration assembly 20 with a smaller membrane pore size to remove small particulate impurities from the water, thereby further softening and purifying the feed water. In one example, the filtration assembly 20 includes an ultrafiltration assembly and a nanofiltration assembly, and the feed water passes through the ultrafiltration assembly and the nanofiltration assembly sequentially.

[0046] In some embodiments, the filtration assembly 20 includes an ultrafiltration assembly, a nanofiltration assembly, and a reverse osmosis assembly. In one example, the feed water passes sequentially through the ultrafiltration assembly, the nanofiltration assembly, and the reverse osmosis assembly, thereby further improving the quality of the washing water.

[0047] The specific type and combination of the filter component 20 can be specifically defined according to the actual water quality parameters of the washing water, and this utility model does not make specific limitations in this regard.

[0048] In some embodiments, the washing appliance 100 includes a water inlet valve 50, the outlet of which is connected to the inlet of a one-way valve 40, the inlet of which is used to connect to a water source.

[0049] This can, to a certain extent, ensure stable inlet water pressure and prevent siphoning.

[0050] Specifically, please combine Figure 1 and Figure 2 The inlet of the water inlet valve 50 is connected to the water source and is used to control the flow of water into the washing appliance 100. The outlet of the water inlet valve 50 is connected to the inlet of the one-way valve 40, which allows water to flow in only one direction to prevent backflow. When the washing appliance 100 is cleaning, the water inlet valve 50 is opened, and the raw water supplied by the water source passes through the water inlet valve 50 and the one-way valve 40 in sequence to enter the filter assembly 20 for filtration to obtain filtered water. The filtered water enters the washing chamber 10 to wash the items. The water inlet valve 50 and the one-way valve 40 are connected in series, which can ensure the stability of the water pressure to a certain extent, allowing the water to pass smoothly through the filter assembly 20 for filtration, while preventing siphoning.

[0051] In some embodiments, the washing appliance 100 includes a water distribution component 30, which includes a first outlet 31 and a second outlet 32. The inlet of the water distribution component 30 is connected to the outlet of a one-way valve 40. The first outlet 31 is connected to the washing chamber 10 via a filter assembly 20, so that the raw water flowing out of the first outlet 31 is filtered by the filter assembly 20 and flows into the washing chamber 10. The second outlet 32 ​​is connected to the washing chamber 10, so that the raw water flowing out of the second outlet 32 ​​flows into the washing chamber 10.

[0052] The water distribution component 30 has a first state and a second state. In the first state, the water distribution component 30 causes the raw water to flow out from the first outlet 31 and the second outlet 32. In the second state, the water distribution component 30 causes the raw water to flow out from the second outlet 32.

[0053] In this way, the water distribution component 30 can switch between different states to form different washing water.

[0054] Specifically, please combine Figure 2 The inlet of the one-way valve 40 is connected to the water source via the inlet valve 50, and the outlet of the one-way valve 40 is connected to the inlet of the water distribution component 30. When the washing appliance 100 is performing cleaning operations, the inlet valve 50 is opened, and the raw water supplied by the water source passes sequentially through the inlet valve 50 and the one-way valve 40 into the water distribution component 30, thus connecting the inlet of the water distribution component 30 with the first outlet 31 and / or the second outlet 32. This allows the raw water to flow out through the first outlet 31 and / or the second outlet 32 ​​of the water distribution component 30. The one-way valve 40 is connected in series with the two-way valve, which can ensure stable inlet water pressure to a certain extent and prevent backflow.

[0055] The first outlet 31 of the water distribution component 30 is connected to the washing chamber 10 through the filter assembly 20. The raw water flowing out of the first outlet 31 enters the filter assembly 20 for flow treatment, thereby forming filtered water that flows into the washing chamber 10 to clean the items. The second outlet 32 ​​is directly connected to the washing chamber 10, and the raw water flowing out of the second outlet 32 ​​can directly flow into the washing chamber 10 to clean the items.

[0056] The water distribution component 30 has a first state and a second state. The water distribution component 30 can switch states according to actual conditions, and this utility model does not specifically limit this. In one embodiment, when the water distribution component 30 is in the first state, the inlet of the water distribution component 30 is alternately connected to the first outlet 31 and the second outlet 32. The raw water supplied by the water source enters the water distribution component 30 through the inlet valve 50 and the one-way valve 40 in sequence. The raw water flows out through the first outlet 31 and the second outlet 32. The raw water flowing out of the first outlet 31 is treated by the filter assembly 20 to form filtered water and then enters the washing chamber 10. The raw water flowing out of the second outlet 32 ​​is directly introduced into the washing chamber 10 and mixed with the filtered water. The mixture of raw water and filtered water is used as washing water to clean the items in the washing chamber 10.

[0057] In one embodiment, when the water distribution component 30 is in the second state, the inlet of the water distribution component 30 is connected to the second outlet 32. The raw water supplied by the water source enters the water distribution component 30 through the inlet valve 50 and the one-way valve 40 in sequence, and then flows out through the second outlet 32 ​​and directly into the washing chamber 10. The raw water is used as washing water to clean the items in the washing chamber 10.

[0058] In some embodiments, the water distribution element 30 includes a two-way valve.

[0059] In this way, the state of the water distribution component 30 can be quickly switched.

[0060] Specifically, in Figure 2 In one embodiment, the water distribution element 30 is a two-way valve, which allows water entering from the inlet to flow out from the first outlet 31 and / or the second outlet 32. In one embodiment, when the two-way valve closes the valve at the second outlet 32, the inlet of the two-way valve is not connected to the second outlet 32, but is connected to the first outlet 31. Raw water flows out from the first outlet 31 to enter the filter assembly 20, and after being processed by the filter assembly 20, filtered water flows into the washing chamber 10 to clean the items. In another embodiment, when the two-way valve closes the valve at the first outlet 31, the inlet of the two-way valve is not connected to the first outlet 31, but is connected to the second outlet 32. Raw water flows out from the second outlet 32 ​​and directly into the washing chamber 10 to clean the items.

[0061] In some embodiments, when the water distribution component 30 is in the first state, the two-way valve first closes the valve of the second outlet 32 ​​and opens the valve of the first outlet 31, allowing raw water to flow out from the first outlet 31 and enter the filter assembly 20. After being processed by the filter assembly 20, filtered water flows into the washing chamber 10. Subsequently, the valve of the first outlet 31 is closed and the valve of the second outlet 32 ​​is opened, allowing raw water to flow out from the second outlet 32 ​​and directly into the washing chamber 10 to mix with the filtered water. It is understood that in other embodiments, the two-way valve may also first close the valve of the first outlet 31 and open the valve of the second outlet 32, and then close the valve of the second outlet 32 ​​and open the valve of the first outlet 31.

[0062] In some embodiments, when the water distribution component 30 is in the second state, the two-way valve closes the valve of the first outlet 31 and opens the valve of the second outlet 32, so that the raw water flows out from the second outlet 32 ​​and directly into the washing chamber 10 to clean the items.

[0063] Therefore, the rapid state switching process of the water distribution component 30 can improve the cleaning efficiency of the washing appliance 100 to a certain extent.

[0064] In some implementations, when the water quality parameters of the raw water are greater than a first set value, the water separator 30 is in a first state; When the water quality parameters of the raw water are less than or equal to the first set value, the water distribution component 30 is in the second state.

[0065] In this way, different washing water can be selected for cleaning based on the water quality parameters of the raw water.

[0066] Specifically, please combine Figure 2 and Figure 3 The washing appliance 100 includes a control component 90, which is electrically connected to the water distribution component 30. The control component 90 can control the inlet of the water distribution component 30 to be connected to the first outlet 31 and / or the second outlet 32, thereby controlling the water distribution component 30 to be in a first state or a second state.

[0067] The washing appliance 100 also includes a water quality sensor 80, and the control component 90 is electrically connected to the water quality sensor 80. The water quality sensor 80 is used to detect the water quality parameters of the raw water, including but not limited to TDS (Total Dissolved Solids) value, conductivity, hardness, etc. Optionally, the water quality sensor 80 includes a TDS sensor, which measures the conductivity of the raw water based on the conductivity principle and converts the conductivity into a TDS value. Since the raw water quality used in different regions is different, before the washing begins, the control component 90 first obtains the water quality parameters of the raw water through the water quality sensor 80, compares the water quality parameters of the raw water with a first set value, and controls the water distribution component 30 to be in a first state or a second state.

[0068] In some embodiments, when the water quality parameter of the raw water detected by the water quality sensor 80 is greater than a first set value, the water quality parameter of the raw water cannot meet the water quality qualification standard for washing water, that is, the raw water cannot meet the cleaning standard after washing the items. At this time, the control component 90 controls the inlet of the water distribution component 30 to alternately connect with the first outlet 31 and the second outlet 32 ​​to be in a first state. The raw water supplied by the water source enters the water distribution component 30 through the inlet valve 50 and the one-way valve 40 in sequence, and flows out through the first outlet 31 and the second outlet 32. The raw water flowing out of the first outlet 31 is treated by the filter component 20 to form filtered water and then enters the washing chamber 10. The raw water flowing out of the second outlet 32 ​​is directly introduced into the washing chamber 10 to mix with the filtered water. The mixture of raw water and filtered water is used as washing water to clean the items in the washing chamber 10.

[0069] In some embodiments, when the water quality parameter of the raw water detected by the water quality sensor 80 is less than or equal to a first set value, the water quality parameter of the raw water meets the water quality qualification standard for washing water, that is, the raw water can meet the cleaning standard after washing the items. At this time, the control component 90 controls the inlet of the water distribution component 30 to be connected to the second outlet 32 ​​to be in a second state. The raw water supplied by the water source enters the water distribution component 30 through the inlet valve 50 and the one-way valve 40 in sequence, and then flows out through the second outlet 32 ​​and directly into the washing chamber 10. The raw water is used as washing water to clean the items in the washing chamber 10.

[0070] The first set value can be specifically defined according to the water quality standards of the washing water and pre-stored in the control component 90; however, this invention does not impose a specific limitation on it. In one example, the water quality parameters include the TDS value, and the first set value can be 20 mg / L (milligrams per liter).

[0071] In some implementations, when the water quality parameters of the raw water are greater than a first set value and less than or equal to a second set value, the water distribution component 30 is in a first state and satisfies K1 / K2=T1. When the water quality parameters of the raw water are greater than the second set value and less than or equal to the third set value, the water distribution component 30 is in the first state and satisfies K1 / K2=T2; When the water quality parameters of the raw water are greater than the third set value, the water distribution component 30 is in the first state and satisfies K1 / K2=T3; Where T1>T2>T3, K1 is the volume of raw water, and K2 is the volume of filtered water.

[0072] In this way, different proportions of raw water and filtered water can be selected for cleaning based on the raw water quality parameters.

[0073] Specifically, in one embodiment, since the inlet flow rate (i.e. the volume of water flowing through per unit time) is constant, the control component 90 can obtain the water output of the first outlet 31 and the second outlet 32 ​​respectively by controlling the time when the inlet of the water distribution component 30 is connected to the first outlet 31 and the second outlet 32 ​​respectively, thereby controlling the ratio between the volume of raw water K1 and the volume of filtered water K2.

[0074] In some embodiments, when the water quality parameters of the raw water detected by the water quality sensor 80 are greater than a first set value and less than or equal to a second set value, the control component 90 controls the inlet of the water distribution component 30 to alternately connect with the first outlet 31 and the second outlet 32 ​​to be in a first state, and controls the ratio between the volume K1 of the raw water flowing out of the second outlet 32 ​​and the volume K2 of the filtered water formed after the raw water flowing out of the first outlet 31 is treated by the filtration component 20 to be T1. T1 can be specifically defined according to simulation, modeling, testing, experimentation, etc., and this utility model does not make a specific limitation in this regard.

[0075] In one example, the inlet water flow rate is 0.1 L / s, and the washing appliance 100 requires 4 L of washing water in a certain washing mode, with a T1 ratio of 3:1. When the water quality parameter of the raw water detected by the water quality sensor 80 is greater than the first set value and less than or equal to the second set value, the control component 90 controls the inlet of the water distribution component 30 to be disconnected from the second outlet 32, and the inlet to be connected to the first outlet 31 for 10 seconds, so that 1 L of raw water flows out of the first outlet 31 and is processed by the filter component 20 to form filtered water which is then introduced into the washing chamber 10. Subsequently, the control component 90 controls the inlet to be disconnected from the first outlet 31 and the inlet to be connected to the second outlet 32 ​​for 30 seconds, so that 3 L of raw water flows out of the second outlet 32 ​​and is directly introduced into the washing chamber 10.

[0076] In some embodiments, when the water quality parameters of the raw water detected by the water quality sensor 80 are greater than a second set value and less than or equal to a third set value, the control component 90 controls the inlet of the water distribution component 30 to alternately connect with the first outlet 31 and the second outlet 32 ​​to be in a first state, and controls the ratio between the volume K1 of the raw water flowing out of the second outlet 32 ​​and the volume K2 of the filtered water formed after the raw water flowing out of the first outlet 31 is treated by the filtration component 20 to be T2. T2 can be specifically defined according to simulation, modeling, testing, experimentation, etc., and this utility model does not make a specific limitation in this regard.

[0077] In one example, the inlet water flow rate is 0.1 L / s, and the washing appliance 100 requires 4 L of washing water in a certain washing mode, with a T2 ratio of 1:1. When the water quality parameter of the raw water detected by the water quality sensor 80 is greater than the second set value and less than or equal to the third set value, the control component 90 controls the inlet of the water distribution component 30 to be disconnected from the second outlet 32, and the inlet to be connected to the first outlet 31 for 20 seconds, so that 2 L of raw water flows out of the first outlet 31 and is processed by the filter component 20 to form filtered water which is then introduced into the washing chamber 10. Subsequently, the control component 90 controls the inlet to be disconnected from the first outlet 31, and the inlet to be connected to the second outlet 32 ​​for 20 seconds, so that 2 L of raw water flows out of the second outlet 32 ​​and is directly introduced into the washing chamber 10.

[0078] In some embodiments, when the water quality parameters of the raw water detected by the water quality sensor 80 are greater than a third set value, the control component 90 controls the inlet of the water distribution component 30 to alternately connect with the first outlet 31 and the second outlet 32 ​​to be in a first state, and controls the ratio between the volume K1 of the raw water flowing out of the second outlet 32 ​​and the volume K2 of the filtered water formed after the raw water flowing out of the first outlet 31 is treated by the filtration component 20 to be T3. T3 can be specifically defined according to simulation, modeling, testing, experimentation, etc., and this utility model does not make a specific limitation in this regard.

[0079] In one example, the inlet water flow rate is 0.1 L / s, and the washing appliance 100 requires 4 L of washing water in a certain washing mode, with a T3 ratio of 1:3. When the water quality parameter of the raw water detected by the water quality sensor 80 is greater than the third set value, the control component 90 controls the inlet of the water distribution component 30 to be disconnected from the second outlet 32, and the inlet to be connected to the first outlet 31 for 30 seconds, so that 3 L of raw water flows out of the first outlet 31 and is processed by the filter component 20 to form filtered water that is then introduced into the washing chamber 10. Subsequently, the control component 90 controls the inlet to be disconnected from the first outlet 31, and the inlet to be connected to the second outlet 32 ​​for 10 seconds, so that 1 L of raw water flows out of the second outlet 32 ​​and is directly introduced into the washing chamber 10.

[0080] It is understood that T2 and T3 can be specifically defined and pre-stored in the control component 90 according to simulation, modeling, testing, experimentation, etc., and this utility model does not make specific limitations in this regard. In one example, the second set value can be 100 mg / L, and the third set value can be 250 mg / L.

[0081] Therefore, the control component 90 can select different proportions of raw water and filtered water for cleaning based on the water quality parameters of the raw water obtained by the water quality sensor 80, and can extend the service life of the filter component 20 to a certain extent while meeting the water quality standards for washing water.

[0082] In some embodiments, the water distributor 30 has a third state in which the water distributor 30 causes the raw water to flow out from the first outlet 31.

[0083] In this way, the purity of the washing water during the set washing stage can be guaranteed to a certain extent.

[0084] Specifically, in one embodiment, when the water distribution component 30 is in the third state, the inlet of the water distribution component 30 is connected to the first outlet 31. The raw water supplied by the water source enters the water distribution component 30 through the inlet valve 50 and the one-way valve 40 in sequence, and then flows out through the first outlet 31. After being treated by the filter assembly 20 to form filtered water, it is introduced into the washing chamber 10. The filtered water is used as washing water to clean the items in the washing chamber 10.

[0085] In some embodiments, when the washing appliance 100 is in the set washing stage, the water distribution element 30 is in the third state.

[0086] In this way, the purity of the washing water during the set washing stage can be guaranteed to a certain extent.

[0087] Specifically, when the dishwasher 100 cleans the items inside the washing chamber 10, it typically includes multiple washing stages. These washing stages include, but are not limited to, a pre-wash stage, a main wash stage, and a hot rinse stage. Because the water quality parameters required for the washing water vary depending on the water temperature, functional objectives, and the degree of influence of water quality, the required washing water differs at different operating stages of the dishwasher 100.

[0088] Because the washing water temperature is high in certain washing stages, and the cleaning target requires washing water with lower water quality parameters to clean the items in the washing chamber 10, the washing water consists entirely of filtered water obtained through the filter assembly 20. These washing stages can be designated as set washing stages. In some embodiments, when the washing appliance 100 is in a set washing stage, the control assembly 90 controls the water distributor 30 to be in a third state, causing water to flow out from the first outlet 31 of the water distributor 30, be softened and purified by the filter assembly 20, and thus obtain filtered water. The filtered water is then introduced into the washing chamber 10 to clean the items inside the washing chamber 10.

[0089] Understandably, when the washing appliance 100 is in a washing stage other than the set washing stage (such as the pre-wash stage), the control component 90 controls the water distribution component 30 to be in either the first or second state based on the relationship between the raw water quality parameters and the set value. In one example, when the washing appliance 100 is in the pre-wash stage, since the main cleaning objective of the pre-wash stage is to rinse away impurities adhering to the items and preliminarily soften stains, and the water temperature is relatively low at this stage, relying mainly on mechanical rinsing rather than chemical reaction, higher water quality parameters are allowed compared to the set washing stage. Therefore, the control component 90 first obtains the raw water quality parameters, and then compares the water quality parameters with the set value to control the water distribution component 30 to be in either the first or second state.

[0090] In some embodiments, the washing phase includes a main wash phase and / or a hot rinsing phase. Optionally, in one embodiment, the washing phase includes a main wash phase. The primary cleaning objective of the main wash phase is to perform deep cleaning of items at high temperatures, such as breaking down grease and stubborn stains, and to introduce detergents containing a large amount of alkaline components. However, high-temperature conditions can accelerate the formation of calcium and magnesium ions. Therefore, wash water with lower water quality parameters is required to protect the heating element and, to some extent, improve detergent efficiency.

[0091] When the washing appliance 100 is in the main washing stage, the control component 90 controls the water distribution component 30 to be in the third state, so that water flows out from the first outlet 31 of the water distribution component 30, is softened and purified by the filter component 20, and thus obtains filtered water. The filtered water is introduced into the washing chamber 10 to clean the objects in the washing chamber 10.

[0092] Optionally, in one embodiment, the washing stage includes a hot rinsing stage. The hot rinsing stage may be the final water intake in the washing process, with the primary cleaning objective being to thoroughly remove residual detergent and ions from previous washing stages, preventing water stains. Therefore, washing water with lower water quality parameters is required to avoid water stains caused by detergent and ion residue after rinsing.

[0093] When the washing appliance 100 is in the hot rinsing stage, the control component 90 controls the water distribution component 30 to be in the third state, so that water flows out from the first outlet 31 of the water distribution component 30, is softened and purified by the filter component 20, and thus obtains filtered water. The filtered water is introduced into the washing chamber 10 to clean the objects in the washing chamber 10.

[0094] In some embodiments, the washing appliance 100 includes a water quality sensor 80 disposed in the washing chamber 10. The water quality sensor 80 is used to detect the water quality parameters of the raw water, which is introduced into the washing chamber 10 before the washing begins when the water distribution component 30 is in the second state.

[0095] In this way, the water quality parameters of the raw water can be obtained and the state of the water distribution component 30 before the washing begins can be controlled according to the water quality parameters.

[0096] Specifically, please combine Figure 2 A water quality sensor 80 is installed inside the washing chamber 10. The control component 90 is electrically connected to the water quality sensor 80. The water quality sensor 80 is used to detect the water quality parameters of the raw water entering the washing chamber 10. Before washing begins, the control component 90 controls the water distribution component 30 to be in a second state. The outlet of the water distribution component 30 is connected to the second outlet 32 ​​of the water distribution component 30. The raw water supplied by the water source can enter the water distribution component 30 sequentially through the inlet valve 50 and the one-way valve 40. The set volume of raw water flows out from the second outlet 32 ​​and directly into the washing chamber 10. The water quality sensor 80 can detect the water quality parameters of the raw water in the washing chamber 10.

[0097] The set capacity can be specifically limited according to simulation, modeling, testing, experimentation, etc., and this utility model does not make a specific limitation in this regard. In one example, the set capacity can be 100mL (milliliters).

[0098] In other embodiments, the water quality sensor 80 may also be located at other locations capable of detecting the water quality parameters of the raw water, and is not limited to the washing chamber 10.

[0099] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

[0100] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with an embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0101] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A washing appliance, characterized in that, The device includes a filter assembly, a one-way valve, and a washing chamber. The filter assembly is used to filter hardness ions and purify water. The inlet of the one-way valve is connected to a water source, the outlet of the one-way valve is connected to the inlet of the filter assembly, and the outlet of the filter assembly is connected to the washing chamber.

2. The washing appliance according to claim 1, characterized in that, The filtration assembly includes at least one of an ultrafiltration assembly, a nanofiltration assembly, and a reverse osmosis assembly.

3. The washing appliance according to claim 1, characterized in that, The washing appliance includes a water inlet valve, the outlet of which is connected to the inlet of the one-way valve, and the inlet of the water inlet valve is used to connect to a water source.

4. The washing appliance according to claim 1, characterized in that, The washing appliance includes a water distribution component, which includes a first outlet and a second outlet. The inlet of the water distribution component is connected to the outlet of the one-way valve. The first outlet is connected to the washing chamber through the filter assembly, so that the raw water flowing out of the first outlet is filtered and then flows into the washing chamber. The second outlet is connected to the washing chamber, so that the raw water flowing out of the second outlet flows into the washing chamber. The water distribution component has a first state and a second state. In the first state, the water distribution component causes raw water to flow out from the first outlet and the second outlet. In the second state, the water distribution component causes raw water to flow out from the second outlet.

5. The washing appliance according to claim 4, characterized in that, The water distribution component includes a two-way valve.

6. The washing appliance according to claim 4, characterized in that, When the water quality parameters of the raw water are greater than a first set value, the water separator is in the first state; When the water quality parameters of the raw water are less than or equal to the first set value, the water separator is in the second state.

7. The washing appliance according to claim 6, characterized in that, When the water quality parameters of the raw water are greater than the first set value and less than or equal to the second set value, the water distribution element is in the first state and satisfies K1 / K2=T1; When the water quality parameters of the raw water are greater than the second set value and less than or equal to the third set value, the water distribution element is in the first state and satisfies K1 / K2=T2; When the water quality parameters of the raw water are greater than the third set value, the water distribution element is in the first state and satisfies K1 / K2=T3; Where T1>T2>T3, K1 is the volume of raw water, and K2 is the volume of filtered water.

8. The washing appliance according to claim 4, characterized in that, The water separator has a third state in which the water separator causes the raw water to flow out from the first outlet.

9. The washing appliance according to claim 8, characterized in that, When the washing appliance is in the set washing stage, the water distribution component is in the third state.

10. The washing appliance according to claim 6, characterized in that, The washing appliance includes a water quality sensor disposed in the washing chamber. The water quality sensor is used to detect the water quality parameters of the raw water. The raw water is introduced into the washing chamber before the washing begins, when the water distribution component is in the second state.

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