Water path system of dish-washing machine and dish-washing machine

Abstract

The waterway system of the dish-washing machine comprises an inner container, the inner container is provided with a water cup, the inner container is provided with a washing cavity, the water cup is provided with a cup outlet communicated with the washing cavity, and a spraying assembly is arranged in the washing cavity; the bubble generating device is provided with a gas inlet, a liquid inlet and an outlet, the gas inlet is used for introducing gas, and the cup outlet is communicated with the liquid inlet through a first flow path, so that liquid in the washing cavity flows into the bubble generating device and is mixed with the gas introduced from the gas inlet to obtain bubble water; the outlet is communicated with the washing cavity so as to introduce bubble water prepared by the bubble generating device into the washing cavity; the cup outlet is communicated with the spraying assembly through the second flow path so that liquid in the washing cavity can flow to the spraying assembly. According to the waterway system of the dish washing machine, bubble water can be continuously introduced into the washing cavity in the whole process of washing tableware, the washing effect on the tableware is good, and consumption of dish washing consumables can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dishwashers, and more specifically, to a water circuit system and a dishwasher of a dishwasher. Background Art

[0002] As a new product integrating the functions of "washing, disinfecting, drying, and storing", cleaning tableware clean is the first task of a dishwasher. In related technologies, a dishwasher consumes a large amount of dishwashing consumables to clean tableware, resulting in high usage costs. Summary of the Utility Model

[0003] The utility model aims to at least solve one of the technical problems existing in the prior art. For this reason, an object of the utility model is to provide a water circuit system of a dishwasher, which can clean tableware and consume less dishwashing consumables, with lower usage costs.

[0004] Another object of the utility model is to provide a dishwasher with the above water circuit system.

[0005] According to an embodiment of the water circuit system of the dishwasher of the utility model, it includes: an inner container, a water cup is provided in the inner container, the inner container has a washing cavity, the water cup has a cup outlet communicating with the washing cavity, and a spraying assembly is provided in the washing cavity; a bubble generating device, the bubble generating device is provided with an air inlet, a liquid inlet and an outlet, the air inlet is used for introducing gas, wherein, the cup outlet is communicated with the liquid inlet through a first flow path, so that the liquid in the washing cavity flows into the bubble generating device and is mixed with the gas introduced through the air inlet to obtain bubble water, and the outlet is communicated with the washing cavity to introduce the bubble water prepared by the bubble generating device into the washing cavity; the cup outlet is communicated with the spraying assembly through a second flow path, so that the liquid in the washing cavity flows to the spraying assembly.

[0006] According to the embodiment of the water circuit system of the dishwasher of the utility model, bubble water can be continuously prepared and introduced into the washing cavity during the whole process of washing tableware, and the spraying assembly continuously sprays liquid onto the tableware in the washing cavity to continuously use the bubble water to wash the tableware, with better cleaning effect on the tableware, and can realize the reuse of the liquid in the washing cavity, reduce the consumption of water resources and dishwashing consumables, and lower the usage cost.

[0007] In addition, the water circuit system of the dishwasher according to the above embodiment of the utility model may further have the following additional technical features:

[0008] According to some embodiments of the present utility model, the bubble generating device includes a gas-liquid premixing chamber and a bubble generator. The gas-liquid premixing chamber is provided with the liquid inlet, the gas inlet and the outlet. The gas-liquid premixing chamber is used for mixing gas and liquid to obtain a gas-liquid mixed fluid. The bubble generator is arranged at the outlet and is used for making the gas-liquid mixed fluid into bubble water.

[0009] According to some embodiments of the present utility model, the gas inlet is communicated with the washing chamber and is used for introducing the gas in the washing chamber into the bubble generating device. A one-way valve is arranged at the gas inlet, and the one-way valve is unidirectionally conductive along the direction from the washing chamber to the bubble generating device.

[0010] According to some embodiments of the present utility model, the water circuit system includes a driving pump. The driving pump is arranged downstream of the cup outlet. The driving pump is used for driving the liquid flowing out of the cup outlet to flow towards the liquid inlet and the spraying assembly.

[0011] According to some embodiments of the present utility model, the driving pump is a circulation pump. The water circuit system includes a reversing valve. The reversing valve has a valve inlet, a first valve outlet and a second valve outlet. The circulation pump is connected between the valve inlet and the cup outlet. The first valve outlet is communicated with the first flow path, and the second valve outlet is communicated with the second flow path. The reversing valve is used for controlling the on-off states of the first valve outlet and the second valve outlet respectively communicating with the valve inlet.

[0012] According to some embodiments of the present utility model, the driving pump includes a water pump and a circulation pump. The pump inlet of the water pump is communicated with the cup outlet of the water cup. The pump inlet of the water pump is communicated with the first flow path. The pump inlet of the circulation pump is communicated with the cup outlet of the water cup. The pump inlet of the circulation pump is communicated with the second flow path.

[0013] According to some embodiments of the present utility model, the water cup is provided with a first filtering system. The first filtering system includes a coarse filtering member and a cylindrical filtering member. The coarse filtering member is located upstream of the cylindrical filtering member. The filtering precision of the cylindrical filtering member is higher than that of the coarse filtering member.

[0014] According to some embodiments of the present utility model, the second filtering system is arranged in the first flow path. The filtering precision of the second filtering system is higher than that of the filtering members of the first filtering system.

[0015] According to some embodiments of the present utility model, the water circuit system includes a liquid inlet flow path. The liquid inlet flow path communicates a water source with the liquid inlet to supply water to the bubble generating device.

[0016] The dishwasher according to an embodiment of the present utility model includes a water circuit system of the dishwasher according to an embodiment of the present utility model.

[0017] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 is a schematic structural view of the tableware of the dishwasher according to an embodiment of the present utility model, wherein the driving pump is a circulation pump;

[0020] Figure 2 is a schematic structural view of the tableware of the dishwasher according to an embodiment of the present utility model, wherein the driving pump includes a water extraction pump and a circulation pump.

[0021] REFERENCE SIGNS:

[0022] Dishwasher 1000; Tableware 2000;

[0023] Water circuit system 100; Housing 200; Tableware rack 300;

[0024] Inner liner 10; Washing cavity 11; Spraying assembly 111; Bottom wall 112; Water cup 12; Cup outlet 121; Drainage port 13;

[0025] Bubble generating device 20; Gas-liquid premixing chamber 21; Air inlet 211; Liquid inlet 212; Outlet 213; Check valve 214; Liquid inlet valve 215; Bubble generator 22;

[0026] Driving pump 30; Water extraction pump 31; Circulation pump 32;

[0027] Reversing valve 40; Valve inlet 41; First valve outlet 42; Second valve outlet 43;

[0028] First filtration system 51; Coarse filtration element 511; Cylindrical surface filtration element 512; Second filtration system 52;

[0029] First flow path 61; Second flow path 62; Liquid inlet flow path 63. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the drawings, where 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 drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0031] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0032] In the description of the present utility model, the "first feature" and "second feature" may include one or more of such features. The meaning of "a plurality" is two or more. The first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. The first feature being "above", "over" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature.

[0033] The water circuit system 100 of the dishwasher 1000 according to an embodiment of the present utility model will be described below with reference to the drawings.

[0034] Refer to Figure 1 - Figure 2 As shown, the water circuit system 100 according to an embodiment of the present utility model may include an inner tank 10 and a bubble generating device 20.

[0035] Specifically, the inner tank 10 is provided with a water cup 12. The inner tank 10 has a washing cavity 11. The water cup 12 has a cup outlet 121 communicating with the washing cavity 11. A spraying assembly 111 is provided in the washing cavity 11. The bubble generating device 20 is provided with an air inlet 211, a liquid inlet 212 and an outlet 213. The air inlet 211 is used to introduce gas into the bubble generating device 20. Among them, the cup outlet 121 is communicated with the liquid inlet 212 through a first flow path 61, so that the liquid in the washing cavity 11 flows into the bubble generating device 20 and is mixed with the gas introduced through the air inlet 211 to obtain bubble water. The outlet 213 is communicated with the washing cavity 11 to introduce the bubble water prepared by the bubble generating device 20 into the washing cavity 11. The cup outlet 121 is communicated with the spraying assembly 111 through a second flow path 62, so that the liquid in the washing cavity 11 flows to the spraying assembly 111.

[0036] The spraying assembly 111 may include a spray arm, a spray head or any other structure that can be used to spray liquid. Through the spraying assembly 111, liquid can be sprayed onto the tableware 2000 in the washing cavity 11 to wash the tableware 2000. The liquid here may be water containing dishwashing powder, rinse aid or dishwashing liquid and other dishwashing consumables, or may be clean water or other liquids.

[0037] After the liquid in the washing chamber 11 flows out of the cup outlet 121 and out of the washing chamber 11, it can flow into the bubble generating device 20 through the first flow path 61 to make bubble water and then be introduced into the washing chamber 11 again. It can also flow into the spraying assembly 111 through the second flow path 62 and spray onto the tableware 2000 to enter the washing chamber 11 again, realizing the reuse of the liquid in the washing chamber 11, reducing the consumption of water resources and dishwashing consumables, and having a lower use cost.

[0038] Moreover, through the reuse of the liquid in the washing chamber 11 along the first flow path 61, bubble water can be continuously made during the entire process of washing the tableware 2000 and introduced into the washing chamber 11. Each time bubble water is made by the bubble generating device 20, the bubble content in the bubble water can be increased, and the cleaning effect on the tableware 2000 is better. Combined with the reuse of the liquid in the washing chamber 11 along the second flow path 62, during the entire process of washing the tableware 2000, the spraying assembly 111 can continuously spray liquid such as bubble water onto the tableware 2000 to continuously generate bubble water and wash the tableware 2000 with the bubble water. The bubble content in the liquid in the washing chamber 11 is high, and the cleaning effect on the tableware 2000 is better.

[0039] In some related technologies, dishwashers use clean water and dishwashing consumables to wash tableware. The ability of clean water to clean oil stains is poor, and a large amount of dishwashing consumables need to be consumed. Moreover, the liquid in the washing chamber is directly discharged after washing the tableware once, which is likely to cause waste of water resources and dishwashing consumables.

[0040] In this application, however, bubble water can be made by the bubble generating device 20 and introduced into the washing chamber 11 to wash the tableware 2000 with the bubble water and dishwashing consumables. The ability of bubble water to clean oil stains is better, so that less dishwashing consumables are consumed and the use cost is lower. Moreover, the liquid in the washing chamber 11 can be reused to wash the tableware 2000 multiple times, reducing the waste of water resources and dishwashing consumables.

[0041] According to the water circuit system 100 of the dishwasher 1000 according to an embodiment of the present invention, bubble water can be continuously made and introduced into the washing chamber 11 during the entire process of washing the tableware 2000, and the spraying assembly 111 can continuously spray liquid into the tableware 2000 in the washing chamber 11 to continuously wash the tableware 2000 with the bubble water. The cleaning effect on the tableware 2000 is good, and the reuse of the liquid in the washing chamber 11 can be realized, reducing the consumption of water resources and dishwashing consumables and lowering the use cost.

[0042] In some embodiments, such as Figure 1 - Figure 2As shown, the waterway system 100 includes a liquid inlet flow path 63 that connects a water source to the liquid inlet 212 to supply water to the bubble generating device 20. The water source can be a water source outside the dishwasher 1000, such as tap water from a faucet, or water in a water tank that may exist inside the dishwasher 1000.

[0043] By supplying water to the bubble generating device 20 through the liquid inlet flow path 63, it is possible to produce bubble water through the bubble generating device 20 while supplying water, so as to produce bubble water during the water supply stage and directly introduce the bubble water into the washing chamber 11. Combining with the bubble generating device 20 recycling the liquid in the washing chamber 11 through the first flow path 61 to produce bubble water and then introducing it into the washing chamber 11, it is possible to continuously produce bubble water during the water supply stage and the washing cycle stage, resulting in a better cleaning effect on the tableware 2000 in the washing chamber 11.

[0044] In some embodiments, as Figure 1 - Figure 2 shown, the liquid inlet 212 is connected to the water source through a liquid inlet valve 215. By means of the liquid inlet valve 215, it is possible to control the liquid inlet or stop the liquid inlet to the waterway system 100, so as to control the start and stop of the waterway system 100. Moreover, by means of the liquid inlet valve 215, it is possible to control the continuous liquid inlet to the washing chamber 11 instead of intermittent liquid inlet, making the waterway system 100 work more stably.

[0045] The outlet 213 of the bubble generating device 20 can be directly connected to the washing chamber 11 to directly introduce the produced bubble water into the washing chamber 11. For example, the outlet 213 can be close to the tableware 2000 in the up and down direction to facilitate more bubble water flowing onto the surface of the tableware 2000. The outlet 213 can also be connected to the spray port of the spray assembly 111 to spray bubble water onto the tableware 2000 through the spray assembly 111, resulting in a better cleaning effect on the tableware 2000.

[0046] In some embodiments of the present utility model, as Figure 1 - Figure 2 shown, the bubble generating device 20 includes a gas-liquid premixing chamber 21 and a bubble generator 22. The gas-liquid premixing chamber 21 is provided with a liquid inlet 212, a gas inlet 211 and an outlet 213. The gas-liquid premixing chamber 21 is used to mix gas and liquid to obtain a gas-liquid mixed fluid. The bubble generator 22 is arranged at the outlet 213 and is used to produce bubble water from the gas-liquid mixed fluid.

[0047] Liquid is introduced into the gas-liquid premixing chamber 21 through the liquid inlet 212, and gas is introduced into the gas-liquid premixing chamber 21 through the gas inlet 211, so as to pre-mix gas and liquid into a gas-liquid mixed fluid in the gas-liquid premixing chamber 21, and then introduce the gas-liquid mixed fluid into the bubble generator 22 at the outlet 213. This shortens the time for the gas and liquid to mix in the bubble generator 22 to generate bubbles, which is beneficial to improving the efficiency of the bubble generating device 20 in producing bubble water and results in a higher cleaning efficiency for the tableware 2000.

[0048] In some embodiments, as Figure 1 - Figure 2 shown, the air inlet 211 is in communication with the washing chamber 11 and is used for introducing the gas in the washing chamber 11 into the bubble generating device 20. A check valve 214 is provided at the air inlet 211, and the check valve 214 is unidirectionally conductive along the direction from the washing chamber 11 to the bubble generating device 20. The check valve 214 can prevent the risks of air leakage and liquid leakage in the gas-liquid premixing chamber 21. Moreover, since the air inlet 211 is in communication with the washing chamber 11, even if the check valve 214 fails, the gas-liquid premixing chamber 21 leaks liquid to the washing chamber 11 instead of to the outside, and it is not easy to pollute the external environment. And during the waiting for maintenance, the tableware 2000 can also be cleaned by the liquid leaking from the air inlet 211 to the washing chamber 11, making the work of cleaning the tableware 2000 more reliable.

[0049] In some embodiments, as Figure 1 - Figure 2 shown, the water cup 12 is provided on the bottom wall 112 of the washing chamber 11, and the bottom wall 112 extends downwardly and obliquely towards the water cup 12 to guide the liquid in the washing chamber 11, so that the liquid in the washing chamber 11 can easily flow towards the cup outlet 121 of the water cup 12 under the guiding action of the bottom wall 112, without the need to add other components for driving the liquid in the washing chamber 11 to flow towards the cup outlet 121, which is beneficial to simplifying the structure of the water circuit system 100.

[0050] In some embodiments, as Figure 1 - Figure 2 shown, the water cup 12 has a liquid discharge port 13. After the liquid in the washing chamber 11 flows into the water cup 12, it can not only flow towards the first flow path 61 and the second flow path 62 through the cup outlet 121 for reuse, but also be discharged through the liquid discharge port 13, for example, discharged to the sewer, so as to discharge the reused liquid in the washing chamber 11, and combined with the water inlet of the water circuit system 100 from the water source, the liquid in the washing chamber 11 can be updated.

[0051] In some embodiments of the present utility model, as Figure 1 - Figure 2 shown, the water circuit system 100 includes a driving pump 30. The driving pump 30 is provided downstream of the cup outlet 121, and the driving pump 30 is used for driving the liquid flowing out of the cup outlet 121 to flow towards the liquid inlet 212 and the spraying assembly 111. The driving pump 30 can be a pump or other components for driving the liquid to flow.

[0052] By means of the driving pump 30, the hydraulic pressure can be increased, which is beneficial to making the liquid in the washing chamber 11 flow towards the liquid inlet 212 and fully mix with the gas in the bubble generating device 20, improving the efficiency of the bubble generating device 20 in making bubble water. By means of the driving pump 30, a large amount of liquid can also be driven to flow towards the spraying assembly 111 to spray onto the tableware 2000, reducing the possibility of uneven spraying of the tableware 2000 due to insufficient liquid content in the spraying assembly 111, and having a better cleaning effect on the tableware 2000.

[0053] In some embodiments, asFigure 1 As shown, the driving pump 30 is a circulation pump 32. The water circuit system 100 includes a reversing valve 40 which has a valve inlet 41, a first valve outlet 42 and a second valve outlet 43. The circulation pump 32 is connected between the valve inlet 41 and the cup outlet 121. The first valve outlet 42 communicates with the first flow path 61, and the second valve outlet 43 communicates with the second flow path 62. The reversing valve 40 is used to control the on-states of the first valve outlet 42 and the second valve outlet 43 respectively with the valve inlet 41.

[0054] Driving the liquid to flow through one circulation pump 32, the number of driving pumps 30 is small, the cost is low, and the economy is good. And through the reversing valve 40, one circulation pump 32 can separately control the on-states of the first flow path 61 and the second flow path 62 respectively with the cup outlet 121, so as to realize two kinds of circulating flow states of the liquid in the washing cavity 11 through the first flow path 61 and the second flow path 62 respectively. For example, making the first flow path 61 communicate with the cup outlet 121 is beneficial to increasing the hydraulic pressure in the first flow path 61 to improve the efficiency of the bubble generating device 20 to make bubble water. For example, making the second flow path 62 communicate with the cup outlet 121 is beneficial to increasing the liquid flow rate in the second flow path 62 so that the spraying assembly 111 can spray the tableware 2000 in place, improving the working reliability of the first flow path 61 and the second flow path 62.

[0055] In some embodiments, as Figure 2 shown, the driving pump 30 includes a water pump 31 and a circulation pump 32. The pump inlet of the water pump 31 communicates with the cup outlet 121 of the water cup 12, and the pump inlet of the water pump 31 communicates with the first flow path 61. The pump inlet of the circulation pump 32 communicates with the cup outlet 121 of the water cup 12, and the pump inlet of the circulation pump 32 communicates with the second flow path 62.

[0056] The cup outlet 121 can be one opening or multiple openings on the water cup 12. For example, when the cup outlet 121 is one opening on the water cup 12, the opening can be made to communicate with the water pump 31 and the circulation pump 32 through a tee pipe. For example, the cup outlet 121 can also be two openings on the water cup 12, and the two openings can be made to communicate with the water pump 31 and the circulation pump 32 respectively.

[0057] Through the water pump 31, the liquid in the washing cavity 11 can be driven to flow from the cup outlet 121 to the first flow path 61 to control the hydraulic pressure in the first flow path 61. Through the circulation pump 32, the liquid in the washing cavity 11 can be driven to flow from the cup outlet 121 to the second flow path 62 to control the liquid flow rate in the second flow path 62, realizing precise control of the first flow path 61 and the second flow path 62, and making the operation of the first flow path 61 and the second flow path 62 more stable.

[0058] In addition, the water pump 31 and the circulation pump 32 can conduct the cup outlet 121 and the first flow path 61, and the cup outlet 121 and the second flow path 62 at the same time, so as to make bubble water through the bubble generating device 20 and clean the tableware 2000 through the spraying component 111, improving the cleaning efficiency of the tableware 2000.

[0059] In some embodiments of the present utility model, as Figure 1 - Figure 2 shown, the water cup 12 is provided with a first filtration system 51. The first filtration system 51 includes a coarse filtration element 511 and a cylindrical filtration element 512. The coarse filtration element 511 is located upstream of the fine filtration element 512, and the filtration accuracy of the cylindrical filtration element 512 is higher than that of the coarse filtration element 511.

[0060] The first filtration system 51 can be used to filter impurities such as pollutant particles entrained in the liquid in the washing chamber 11, such as food residues remaining on the tableware 2000, reducing the risk of blockage of the first flow path 61 and the second flow path 62, so that the first flow path 61 and the second flow path 62 can work continuously and stably. And when the liquid in the washing chamber 11 is reused, the content of pollutants in the bubble water introduced into the washing chamber 11 by the bubble generating device 20 is small, and the content of pollutants in the liquid sprayed onto the tableware 2000 by the spraying component 111 is small, which is not easy to cause secondary pollution of the tableware 2000, and the cleaning effect on the tableware 2000 is better.

[0061] In this application, the filtration accuracy of the filtration element can be understood in combination with the pore diameter of the filtration element filter element. The smaller the pore diameter of the filtration element filter element, the higher the filtration accuracy of the filtration element, which can block smaller-sized impurities from passing through and has a better filtration effect on the liquid.

[0062] Through the coarse filtration element 511 and the cylindrical filtration element 512 with different filtration accuracies, hierarchical filtration of the liquid at the cup outlet 121 can be realized, further reducing the risk of blockage of the first flow path 61 and the second flow path 62, and the filtration effect is better.

[0063] In some embodiments, as Figure 1 - Figure 2 shown, the first flow path 61 is provided with a second filtration system 52, and the filtration accuracy of the second filtration system 52 is higher than that of the filtration element of the first filtration system 51. For example, the second filtration system 52 includes a filtration element with a filtration accuracy higher than that of the coarse filtration element 511 and the cylindrical filtration element 512.

[0064] The liquid at the cup outlet 121 can be filtered by the first filtration system 51, reducing the risk of blockage in the first flow path 61 and the second flow path 62. The liquid in the first flow path 61 can be filtered by the second filtration system 52 with a higher filtration accuracy to further filter the liquid flowing from the first flow path 61 into the liquid inlet 212, reducing the risk of blockage of the bubble generating device 20 after the liquid in the first flow path 61 enters the liquid inlet 212, which is beneficial to improving the working stability of the bubble generating device 20.

[0065] As Figure 1 - Figure 2 shown, the dishwasher 1000 according to an embodiment of the present invention includes a water circuit system 100 according to an embodiment of the present invention. Since the water circuit system 100 according to an embodiment of the present invention has the above beneficial technical effects, the dishwasher 1000 according to an embodiment of the present invention can continuously produce bubble water during the entire process of cleaning the tableware 2000 and introduce the bubble water into the washing chamber 11, and continuously spray the liquid into the tableware 2000 in the washing chamber 11 through the spraying assembly 111 to continuously clean the tableware 2000 with the bubble water, having a good cleaning effect on the tableware 2000, and being able to realize the reuse of the liquid in the washing chamber 11, reducing the consumption of water resources and dishwashing consumables, and reducing the use cost. The flow direction of the fluid in the dishwasher 1000 is as Figure 1 - Figure 2 shown by the arrows in

[0066] In some embodiments, as Figure 1 - Figure 2 shown, the dishwasher 1000 may further include a housing 200 and a dish rack 300. The water circuit system 100 is disposed in the housing 200 and can separate the water circuit system 100 from the outside through the housing 200. The gas-liquid premixing chamber 21, the driving pump 30, the first flow path 61 and a part of the second flow path 62 are disposed between the inner tank 10 and the housing 200, and the dish rack 300 is disposed in the washing chamber 11 for placing the tableware 2000.

[0067] Next, the water circuit system 100 and the dishwasher 1000 according to a specific embodiment of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the following description is only an exemplary illustration and cannot be construed as a limitation of the present invention.

[0068] As Figure 1 shown, the dishwasher 1000 according to the first embodiment of the present invention includes a water circuit system 100, a housing 200 and a dish rack 300. The water circuit system 100 is disposed in the housing 200, and the dish rack 300 is disposed in the water circuit system 100. The water circuit system 100 includes an inner tank 10, a bubble generating device 20, a driving pump 30, a reversing valve 40, a first filtration system 51 and a second filtration system 52.

[0069] The inner container 10 is provided with a water cup 12. The inner container 10 has a washing cavity 11. A spraying assembly 111 is arranged in the washing cavity 11. A tableware rack 300 is arranged in the washing cavity 11 for placing tableware 2000. The water cup 12 has a cup outlet 121 communicating with the washing cavity 11. The water cup 12 is arranged on the bottom wall 112 of the washing cavity 11, and the bottom wall 112 extends downwardly and obliquely towards the water cup 12.

[0070] The bubble generating device 20 includes a gas-liquid premixing chamber 21 and a bubble generator 22. The gas-liquid premixing chamber 21 is provided with an outlet 213, an air inlet 211 for introducing gas, and a liquid inlet 212 for introducing liquid. The gas-liquid premixing chamber 21 is used for mixing gas and liquid to obtain a gas-liquid mixed fluid and introducing the gas-liquid mixed fluid into the bubble generator 22. The bubble generator 22 is arranged at the outlet 213. The outlet 213 communicates with the washing cavity 11. The bubble generator 22 is used for making the gas-liquid mixed fluid into bubble water and then introducing it into the washing cavity 11. The air inlet 211 communicates with the washing cavity 11, and a one-way valve 214 is arranged at the air inlet 211. The one-way valve 214 is unidirectionally conductive along the direction from the washing cavity 11 to the gas-liquid premixing chamber 21. The liquid inlet 212 is communicated with a water source through a water inlet valve, and the liquid inlet 212 is also communicated with the cup outlet 121 through a first flow path 61.

[0071] The cup outlet 121 is communicated with the liquid inlet 212 through the first flow path 61, so that the liquid in the washing cavity 11 flows from the cup outlet 121 through the first flow path 61 into the liquid inlet 212 and then into the gas-liquid premixing chamber 21. The cup outlet 121 is communicated with the spraying assembly 111 through a second flow path 62, so that the liquid in the washing cavity 11 flows from the cup outlet 121 through the second flow path 62 into the spraying assembly 111 and then sprays towards the tableware 2000 in the washing cavity 11.

[0072] The driving pump 30 is a circulation pump 32 and is arranged downstream of the cup outlet 121. The circulation pump 32 is used for driving the liquid flowing out of the cup outlet 121 to flow towards the liquid inlet 212 and the spraying assembly 111. The reversing valve 40 has a valve inlet 41, a first valve outlet 42 and a second valve outlet 43. The circulation pump 32 is connected between the valve inlet 41 and the cup outlet 121. The reversing valve 40 is used for controlling one of the first valve outlet 42 and the second valve inlet 41 to be in communication with the valve inlet 41. The first valve outlet 42 is communicated with the first flow path 61 and is used for making the liquid flowing out of the cup outlet 121 driven by the circulation pump 32 flow through the valve inlet 41 and the first valve outlet 42 towards the liquid inlet 212. The second valve outlet 43 is communicated with the second flow path 62 and is used for making the liquid flowing out of the cup outlet 121 driven by the circulation pump 32 flow through the valve inlet 41 and the second valve outlet 43 towards the spraying assembly 111.

[0073] The first filtration system 51 is provided in the water cup 12. The first filtration system 51 includes a coarse filtration member 511 and a cylindrical filtration member 512. The coarse filtration member 511 is located upstream of the cylindrical filtration member 512, and the filtration accuracy of the cylindrical filtration member 512 is higher than that of the coarse filtration member 511. The second filtration system 52 is provided in the first flow path 61, and the filtration accuracy of the second filtration system 52 is higher than that of the two first filtration systems 51.

[0074] During the process of the dishwasher 1000 cleaning the tableware 2000, liquid is supplied to the gas-liquid premixing chamber 21 through the liquid inlet valve 215 and the liquid inlet flow path 63, that is, liquid is introduced. Gas is introduced into the gas-liquid premixing chamber 21 through the gas inlet 211. The liquid and the gas are mixed in the gas-liquid premixing chamber 21 to obtain a gas-liquid mixed fluid. The gas-liquid mixed fluid enters the bubble generator 22 and is made into bubble water in the bubble generator 22. The bubble water enters the washing chamber 11 from the outlet 213. The liquid entering the washing chamber 11 is used to clean the tableware 2000, and the liquid in the washing chamber 11 flows downward along the guiding action of the bottom wall 112 to the cup outlet 121.

[0075] The circulation pump 32 downstream of the cup outlet 121 drives the liquid to flow through the reversing valve 40 to the second flow path 62 and then to the spraying assembly 111. The spraying assembly 111 sprays the liquid onto the surface of the tableware 2000, and then the liquid on the surface of the tableware 2000 falls back to the cup outlet 121 for recycling. A large amount of pollutant particles are entrained in the falling water, and two-stage filtration by the coarse filtration member 511 and the cylindrical filtration member 512 is required to reduce the risk of blockage of the circulation pump 32, the spraying assembly 111 and the second flow path 62, and at the same time reduce the secondary pollution of the tableware 2000.

[0076] The circulation pump 32 downstream of the cup outlet 121 drives the liquid to flow through the reversing valve 40 to the first flow path 61 and then to the liquid inlet 212 and enters the gas-liquid premixing chamber 21. The gas in the washing chamber 11 enters the gas-liquid premixing chamber 21 from the gas inlet 211. The liquid and the gas are mixed in the gas-liquid premixing chamber 21 to form a gas-liquid mixed fluid and then enter the bubble generator 22. The bubble generator 22 uses the gas-liquid mixed fluid to generate high-concentration fine bubbles to make bubble water, and the bubble water is introduced into the washing chamber 11 through the outlet 213 for cleaning the tableware 2000, and then the liquid in the washing chamber 11 falls back to the cup outlet 121 for recycling. A large amount of pollutant particles are entrained in the falling water, and two-stage filtration by the coarse filtration member 511 and the cylindrical filtration member 512 is required. Moreover, the internal structure of the bubble generator 22 is relatively delicate, and further filtration by the second filtration system 52 is required to reduce the risk of blockage of the bubble generator 22.

[0077] After the liquid in the washing chamber 11 flows out from the cup outlet 121, it can flow into the bubble generating device 20 through the first flow path 61 to make bubble water and then re-enter the washing chamber 11, or it can flow into the spray arm assembly 111 through the second flow path 62 to spray onto the tableware 2000 and then re-enter the washing chamber 11. Therefore, during the process of washing the tableware 2000, the liquid in the washing chamber 11 can be reused and bubble water can be continuously made, so as to continuously use the bubble water to wash the tableware 2000, and the washing effect on the tableware 2000 is better, which is conducive to improving the washing efficiency of the tableware 2000.

[0078] As Figure 2 shown, the water circuit system 100 and the dishwasher 1000 according to the second embodiment of the present invention are different from the water circuit system 100 and the dishwasher 1000 of the first embodiment in that the water circuit system 100 includes an inner tank 10, a bubble generating device 20, a driving pump 30, a first filtering system 51 and a second filtering system 52. The driving pump 30 includes a water extraction pump 31 and a circulation pump 32. The pump inlet of the water extraction pump 31 is communicated with the cup outlet 121 of the water cup 12, and the pump inlet of the water extraction pump 31 is communicated with the first flow path 61. The pump inlet of the circulation pump 32 is communicated with the cup outlet 121 of the water cup 12, and the pump inlet of the circulation pump 32 is communicated with the second flow path 62.

[0079] The water extraction pump 31 can drive the liquid in the washing chamber 11 to flow from the cup outlet 121 to the first flow path 61, and the circulation pump 32 can drive the liquid in the washing chamber 11 to flow from the cup outlet 121 to the second flow path 62. While realizing the reuse of the liquid in the washing chamber 11, the control of the first flow path 61 and the second flow path 62 is more precise, making the operation of the first flow path 61 and the second flow path 62 more stable.

[0080] The other components and operations of the water circuit system 100 and the dishwasher 1000 according to the embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail here.

[0081] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0082] In the description of this specification, the descriptions referring to terms such as "embodiment", "specific embodiment", "example", etc. mean that the specific features, structures, materials or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0083] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A waterway system of a dishwasher, characterized in that, Comprising: Inner container, a water cup is provided in the inner container, the inner container has a washing cavity, the water cup has a cup outlet communicating with the washing cavity, and a spraying assembly is provided in the washing cavity; Bubble generating device, the bubble generating device is provided with an air inlet, a liquid inlet and an outlet, the air inlet is used for introducing gas, wherein, The cup outlet is communicated with the liquid inlet through a first flow path, so that the liquid in the washing cavity flows into the bubble generating device and is mixed with the gas introduced through the air inlet to obtain bubble water, and the outlet is communicated with the washing cavity to introduce the bubble water prepared by the bubble generating device into the washing cavity; The cup outlet is communicated with the spraying assembly through a second flow path, so that the liquid in the washing cavity flows to the spraying assembly.

2. The waterway system of the dishwasher according to claim 1, characterized in that The bubble generating device includes a gas-liquid premixing chamber and a bubble generator, the gas-liquid premixing chamber is provided with the liquid inlet, the air inlet and the outlet, the gas-liquid premixing chamber is used for mixing gas and liquid to obtain a gas-liquid mixed fluid, and the bubble generator is arranged at the outlet and is used for making the gas-liquid mixed fluid into bubble water.

3. The waterway system of the dishwasher according to claim 1, characterized in that The air inlet is communicated with the washing cavity and is used for introducing the gas in the washing cavity into the bubble generating device, a one-way valve is arranged at the air inlet, and the one-way valve is unidirectionally conductive along the direction from the washing cavity to the bubble generating device.

4. The water circuit system of the dishwasher according to claim 1, characterized in that, Comprising a driving pump, the driving pump is arranged downstream of the cup outlet, and the driving pump is used for driving the liquid flowing out of the cup outlet to flow to the liquid inlet and the spraying assembly.

5. The water circuit system of the dishwasher according to claim 4, characterized in that, The driving pump is a circulation pump, the waterway system includes a reversing valve, the reversing valve has a valve inlet, a first valve outlet and a second valve outlet, the circulation pump is connected between the valve inlet and the cup outlet, the first valve outlet is communicated with the first flow path, the second valve outlet is communicated with the second flow path, and the reversing valve is used for controlling the on-off states of the first valve outlet and the second valve outlet respectively communicating with the valve inlet.

6. The water circuit system of the dishwasher according to claim 4, characterized in that, The driving pump includes a water suction pump and a circulation pump, the pump inlet of the water suction pump is communicated with the cup outlet of the water cup, the pump inlet of the water suction pump is communicated with the first flow path, the pump inlet of the circulation pump is communicated with the cup outlet of the water cup, and the pump inlet of the circulation pump is communicated with the second flow path.

7. The waterway system of the dishwasher according to claim 1, wherein The water cup is provided with a first filtering system, the first filtering system includes a coarse filtering element and a cylindrical filtering element, the coarse filtering element is located upstream of the cylindrical filtering element, and the filtering accuracy of the cylindrical filtering element is higher than that of the coarse filtering element.

8. The water circuit system of the dishwasher according to claim 7, characterized in that, The first flow path is provided with a second filtering system, and the filtering accuracy of the second filtering system is higher than that of the filtering elements of the first filtering system.

9. The water circuit system of the dishwasher according to claim 1, wherein, Comprising a liquid inlet flow path, the liquid inlet flow path communicates a water source with the liquid inlet to supply water to the bubble generating device.

10. A dishwasher, characterized in that, Comprising the waterway system of the dishwasher according to any one of claims 1-9.

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