Waterway system and control method

Abstract

The application discloses a waterway system and a control method, and relates to the technical field of water purification, wherein the waterway system comprises a water inlet waterway, a filtering device, a water outlet waterway, a hot water waterway, a hot water generating device, a microorganism treatment module and a first waterway control assembly; one end of the water outlet waterway is used for connecting a water outlet faucet; two ends of the hot water waterway are respectively connected to two ends of the water outlet waterway; the microorganism treatment module is connected in series to the water outlet waterway; the hot water generating device is installed in the hot water waterway; the first waterway control assembly is used for controlling the on-off between the hot water waterway and the water outlet waterway and / or the on-off between the water outlet waterway and the water outlet faucet; one end of the water inlet waterway is used for connecting a water source, and the other end is connected to the other end of the water outlet waterway through the filtering device. The above design effectively solves the problem of microorganism breeding caused by residual water in the traditional water purifier faucet front dead water area due to intermittent work, avoids secondary pollution, improves the health safety of the water outlet water quality, and improves the user's drinking water experience.

Description

Technical Field

[0001] This application relates to the field of water purification technology, and in particular to a water system and control method. Background Technology

[0002] With the improvement of people's living standards and the enhancement of health awareness, household water purifiers have become key electrical appliances for many families to ensure drinking water safety. Their core working principle is to remove impurities, residual chlorine, heavy metals, bacteria, viruses, and other harmful substances from tap water through physical filtration (such as PP cotton and activated carbon) and chemical purification (such as RO reverse osmosis membranes and ultrafiltration membranes), providing clean drinking water. For example, physical filtration materials such as PP cotton and activated carbon remove suspended particulate matter, organic matter, and some odor substances from the water, while chemical purification components such as RO reverse osmosis membranes and ultrafiltration membranes deeply trap heavy metal ions, bacteria, viruses, and other harmful microorganisms and dissolved pollutants, thus providing users with clean water that can be directly consumed.

[0003] However, current traditional water purifier designs primarily focus on the filter system's ability to efficiently remove contaminants from the inlet water, generally failing to adequately consider the potential for secondary contamination in stagnant water zones inside the purifier, particularly in critical areas like the faucet inlet. During the intermittent operation of a water purifier, these stagnant water zones retain a certain amount of moisture after the user stops using water. Lacking continuous water flow and effective antibacterial measures, these areas easily become breeding grounds for bacteria, algae, and other microorganisms. Over time, the proliferation of these microorganisms can not only lead to a decline in water quality and unpleasant odors but may even pose a potential threat to the user's drinking water health. This issue has become a significant technical bottleneck restricting further improvements in user experience and the assurance of drinking water safety in household water purifiers.

[0004] Therefore, there is an urgent need for a new solution that can effectively address the contamination problem in the stagnant water area inside water purifiers, in order to overcome the shortcomings of existing technologies and improve the hygiene and safety of household water purifiers. Summary of the Invention

[0005] In view of this, the purpose of this application is to provide a water system and control method to solve the problem of pollution in the dead water area inside a water purifier and improve the hygiene and safety of household water purifiers.

[0006] To achieve the above-mentioned technical objectives, this application provides a water system, including an inlet water system, a filtration device, an outlet water system, a hot water system, a hot water generating device, and a first water system control component;

[0007] One end of the water outlet is used to connect to a water tap;

[0008] The two ends of the hot water circuit are respectively connected to the two ends of the outlet water circuit;

[0009] The hot water generating device is installed in the hot water circuit;

[0010] The first water circuit control component is used to control the connection and disconnection between the hot water circuit and the outlet water circuit, and / or to control the connection and disconnection between the outlet water circuit and the water faucet;

[0011] One end of the water inlet is used to connect to a water source, and the other end is connected to the other end of the water outlet through the filter device.

[0012] Furthermore, it also includes a microbial processing module;

[0013] The microbial treatment module is connected in series in the effluent water path.

[0014] Furthermore, the microbial treatment module is one or a combination of a bacteria blocking module and a bacteria removal module.

[0015] Furthermore, the hot water generating device includes a heater and a first water pump;

[0016] The first water pump and the heater are installed in the hot water circuit.

[0017] Furthermore, the heater is either a freestanding heater or a containment heater.

[0018] Furthermore, the containment heater is a hot tank.

[0019] Furthermore, the first water circuit control component includes a first diverting valve;

[0020] One end of the hot water circuit is connected to one end of the outlet water circuit and the faucet via the first diverting valve.

[0021] Furthermore, the first water circuit control component also includes a first check valve;

[0022] The first check valve is connected in series in the hot water circuit and is located between the output end of the hot water generating device and the outlet water circuit.

[0023] Furthermore, it also includes a first connecting waterway and a second waterway control component;

[0024] One end of the first connecting water passage is connected to the hot water passage and is located between the input end of the hot water generating device and the outlet water passage;

[0025] The second water circuit control component is used to control the connection and disconnection between the first connecting water circuit and the hot water circuit, and / or to control the connection and disconnection of the hot water circuit.

[0026] Furthermore, the second water circuit control component includes a second diverting valve;

[0027] One end of the first water connection is connected to the hot water circuit via the second diverter valve.

[0028] Furthermore, the second water circuit control component also includes a second check valve;

[0029] The second check valve is connected in series in the first connecting water circuit.

[0030] Furthermore, the filtration device includes a first filter;

[0031] The other end of the water inlet is connected to the first filter;

[0032] The first filter is connected to the other end of the outlet water circuit via the C1 purified water circuit;

[0033] The other end of the first water connection is connected to the drainage channel.

[0034] Furthermore, the filtration device includes a first filter and a second filter;

[0035] The other end of the water inlet is connected to the first filter;

[0036] The first filter is connected to the second filter via the C2 purified water circuit;

[0037] The second filter is connected to the other end of the outlet water circuit via the C3 water purification circuit; or, the second filter is connected to the first filter via the C4 water purification circuit, and the first filter is connected to the other end of the outlet water circuit via the C1 water purification circuit.

[0038] The other end of the first water connection is connected to the drainage channel.

[0039] Furthermore, the first filter is a composite filter;

[0040] The second filter is a reverse osmosis filter;

[0041] The filtration device also includes a second water pump and a first on / off valve;

[0042] The first on / off valve and the second water pump are connected in series in the C2 water purification circuit;

[0043] The drainage path is connected to the concentrated water output end of the second filter.

[0044] Furthermore, it also includes a pure water tank, a second connecting water circuit, and a third water circuit control component;

[0045] The other end of the first water connection is connected to the pure water tank;

[0046] The pure water tank is connected to the filtration device via the second water connection path;

[0047] The third waterway control component is used to control the on / off state of the second connecting waterway.

[0048] Furthermore, the pure water tank is made of stainless steel.

[0049] Furthermore, it also includes UV-LED lamps;

[0050] The inner wall of the pure water tank is coated with a photocatalytic coating;

[0051] The UV-LED lamp is installed in the pure water tank to activate the photocatalytic coating.

[0052] Furthermore, the filtration device includes a first filter;

[0053] The other end of the water inlet is connected to the first filter;

[0054] The first filter is connected to the other end of the outlet water circuit via the C1 purified water circuit;

[0055] The second water connection is connected to the first filter, so that the water path between the pure water tank and the first filter can form a circulating water path.

[0056] Furthermore, the filtration device includes a first filter and a second filter;

[0057] The other end of the water inlet is connected to the first filter;

[0058] The first filter is connected to the second filter via the C2 purified water circuit;

[0059] The second filter is connected to the other end of the outlet water circuit via the C3 water purification circuit;

[0060] The first filter is also connected to the other end of the outlet water circuit via the C1 purified water circuit;

[0061] The second connecting waterway consists of two sections;

[0062] One of the second connecting water paths is connected to the first filter, so that the water path between the pure water tank and the first filter can form a circulating water path;

[0063] Another second connecting water path is connected to the second filter, so that the water path between the pure water tank and the second filter can form a circulating water path.

[0064] Furthermore, the first filter is a composite filter;

[0065] The second filter is a reverse osmosis filter;

[0066] The filtration device also includes a second water pump and a first on / off valve;

[0067] The first on / off valve and the second water pump are connected in series in the C2 water purification circuit;

[0068] The third water circuit control component includes a second on / off valve and a third water pump;

[0069] Another second connecting water circuit is connected to the C2 purified water circuit and is located between the first on / off valve and the second water pump;

[0070] The second on / off valve is connected in series in the second connecting water circuit that connects to the C2 purified water circuit;

[0071] The third water pump is connected in series in the second connecting water passage that connects to the first filter.

[0072] Furthermore, a third check valve is connected in series in the c1 water purification circuit and / or the c3 water purification circuit.

[0073] Furthermore, it also includes water channel panels;

[0074] The water circuit board integrates at least the inlet water circuit, the outlet water circuit, and the hot water circuit.

[0075] Furthermore, it also includes a dosing device;

[0076] The dosing device includes a micro-injection assembly and / or an electrolysis assembly;

[0077] The micro-injection component is used to inject sterilizing substances into the water circuit of the water circuit system;

[0078] The electrolysis component is used to perform micro-electrolysis on the water flow in the water circuit of the water circuit system.

[0079] This application also discloses a water circuit control method, which is applied to a control device;

[0080] The control device is communicatively connected to the water system and is used to control the water system to perform the following steps:

[0081] When the preset time interval is reached or when the water outlet tap is detected to have finished dispensing water, the first water circuit control component and the hot water generating device are controlled to operate, so that the hot water circuit and the outlet water circuit circulate the hot water for the preset time.

[0082] This application also discloses a water circuit control method, which is applied to a control device;

[0083] The control device is communicatively connected to the water system and is used to control the water system to perform the following steps:

[0084] When the first preset time interval is reached or when the water outlet faucet is detected to have finished dispensing water, the first water circuit control component and the hot water generating device are controlled to operate, so that hot water circulates between the hot water circuit and the water outlet circuit for the first preset time.

[0085] When the second preset time interval is reached, or when the filter device completes filter replacement, or when a preset control command is received, the first water circuit control component, the second water circuit control component, and the filter device are first controlled to operate, so that warm water flows between the inlet water circuit, the filter device, the outlet water circuit, and the first connecting water circuit for a second preset time; then the first water circuit control component and the hot water generating device are controlled to operate, so that hot water circulates between the hot water circuit and the outlet water circuit for a third preset time, wherein the second preset time interval is greater than the first preset time interval.

[0086] This application also discloses a water circuit control method, which is applied to a control device;

[0087] The control device is communicatively connected to the water system and is used to control the water system to perform the following steps:

[0088] When the detection reaches the first preset time interval or when the water outlet tap completes water output, the first water circuit control component, the second water circuit control component, and the third water circuit control component are first controlled to operate, so that the outlet water circuit, the pure water tank, and the first filter circulate normally warm water for a first preset time; then the first water circuit control component and the hot water generating device are controlled to operate, so that the hot water circuit and the outlet water circuit circulate hot water for a second preset time.

[0089] When the second preset time interval is reached, or when the filter device completes filter replacement, or when a preset control command is received, the first water circuit control component, the second water circuit control component, the third water circuit control component, and the filter device are first controlled to operate, so that the outlet water circuit, the pure water tank, and the second filter circulate normally warm water for a third preset time; then the first water circuit control component, the second water circuit control component, and the third water circuit control component are controlled to operate, so that the outlet water circuit, the pure water tank, and the first filter circulate normally warm water for a fourth preset time; then the first water circuit control component and the hot water generating device are controlled to operate, so that hot water circulates between the hot water circuit and the outlet water circuit for a fifth preset time, wherein the second preset time interval is greater than the first preset time interval.

[0090] As can be seen from the above technical solutions, the water system designed in this application has the following beneficial effects:

[0091] 1. The microbial treatment module is connected in series in the water outlet path and located at the front end of the faucet. It can intercept and / or kill bacteria in room temperature water or hot water, directly solving the problem of bacterial growth caused by residual water in dead water areas such as the faucet interface of traditional water purifiers, ensuring clean water and improving drinking water hygiene and safety.

[0092] 2. The hot water circuit and the outlet water circuit form a circulation. The hot water generated by the hot water generator kills the bacteria intercepted and / or eliminated on the microbial treatment module through circulation, preventing bacteria from forming a film that clogs the module. This effectively extends the service life of the microbial treatment module and solves the problem of easy clogging of the microbial treatment module that was not considered in traditional water purifiers. It also solves the problem of water output speed being affected by clogging.

[0093] 3. The sterilization effect of circulating hot water enhances the cleaning effect of the water system, further cleans the bacteria in the outlet water path and stagnant water area, and improves the overall hygiene and safety of the water system.

[0094] 4. The first water circuit control component can flexibly control the hot water circulation or the on / off of the water outlet, ensuring that the hot water circulation is started during intermittent operation (such as after water intake is stopped), and the microbial treatment module and water circuit are processed to reduce the growth of bacteria in residual water, thus making up for the lack of effective antibacterial measures in traditional water purifiers. Attached Figure Description

[0095] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0096] Figure 1 These are schematic diagrams of the water system provided in Embodiments 1 and 2 of this application;

[0097] Figure 2 This is a schematic diagram of the water system in Embodiment 3 provided in this application when only the first filter is present.

[0098] Figure 3 This is a schematic diagram of the water system in Embodiment 3 provided in this application, with a first filter and a second filter.

[0099] Figure 4 This is a schematic diagram of the water system of Embodiment 4 provided in this application when only the first filter is present;

[0100] Figure 5 This is a schematic diagram of the water system in Embodiment 4 provided in this application, with a first filter and a second filter.

[0101] Figure 6 A flowchart of the water circuit control method applied to the water circuit system in Embodiment 2 provided in this application;

[0102] Figure 7 A flowchart of the water circuit control method applied to the water circuit system in Embodiment 3 provided in this application;

[0103] Figure 8 This is a flowchart of the water circuit control method applied to Embodiment 4 provided in this application;

[0104] In the diagram: 10. Outlet water path; 20. Hot water path; 30. Water tap; 40. Inlet water path; 50. First connecting water path; 60. Second connecting water path; 1. Hot water generating device; 11. Heater; 12. First water pump; 21. First diverting valve; 22. First check valve; 3. Microbial treatment module; 4. Filtration device; 41. First filter; 411. A1 purified water input terminal; 412. A1 purified water output terminal; 413. A2 purified water input terminal; 414. A 2. Purified water output terminal; 42. Second filter; 421. b1 purified water input terminal; 422. b1 purified water output terminal; 423. Concentrated water output terminal; 43. Second water pump; 44. First on / off valve; 45. c2 purified water circuit; 46. Drainage circuit; 47. c4 purified water circuit; 48. c1 purified water circuit; 49. c3 purified water circuit; 51. Second diverting valve; 52. Second check valve; 53. Third check valve; 6. Pure water tank; 71. Second on / off valve; 72. Third water pump. Detailed Implementation

[0105] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the embodiments of this application.

[0106] In the description of the embodiments of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and 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. Therefore, they should not be construed as limitations on the embodiments of this application. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0107] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a replaceable 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 connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0108] This application discloses a water system and its control method.

[0109] Please see Figure 1 One embodiment of a water system provided in this application includes:

[0110] The system includes an inlet water path 40, a filter device 4, an outlet water path 10, a hot water path 20, a hot water generating device 1, a microbial treatment module 3, and a first water path control component.

[0111] One end of the water outlet path 10 is used to connect to the water outlet faucet 30; both ends of the hot water path 20 are respectively connected to the two ends of the water outlet path 10; the microbial treatment module 3 is connected in series in the water outlet path 10; the hot water generating device 1 is installed in the hot water path 20 to generate hot water and allow the hot water to circulate between the hot water path 20 and the water outlet path 10; the first water path control component is used to control the connection and disconnection between the hot water path 20 and the water outlet path 10, and / or control the connection and disconnection between the water outlet path 10 and the water outlet faucet 30.

[0112] One end of the water inlet channel 40 is used to connect to the water source, and the other end is connected to the other end of the water outlet channel 10 through the filter device 4.

[0113] The water system designed in this application has the following beneficial effects:

[0114] 1. The microbial treatment module 3 is connected in series in the water outlet path 10 and located at the front end of the faucet. It can intercept and / or kill bacteria in room temperature water or hot water, directly solving the problem of bacterial growth caused by residual water in dead water areas such as the faucet interface of traditional water purifiers, ensuring clean water and improving drinking water hygiene and safety.

[0115] 2. The hot water path 20 and the outlet water path 10 form a circulation. The hot water generated by the hot water generating device 1 kills the bacteria intercepted and / or eliminated on the microbial treatment module 3 through circulation, preventing bacteria from forming a film that clogs the module, effectively extending the service life of the microbial treatment module, solving the problem that traditional water purifiers do not consider the easy clogging of the microbial treatment module, and also solving the problem that the water output speed is affected by clogging.

[0116] 3. The sterilization effect of circulating hot water enhances the cleaning effect of the water system, further cleans bacteria in the outlet water path 10 and the stagnant water area, and improves the overall hygiene and safety of the water system.

[0117] 4. The first water circuit control component can flexibly control the hot water circulation or the on / off of the water outlet, ensuring that the hot water circulation is started during intermittent operation (such as after water intake is stopped), treating the microbial treatment module 3 and the water circuit, reducing the growth of bacteria in the residual water, making up for the lack of effective antibacterial measures in traditional water purifiers, improving the hygiene and safety of the output water quality, and improving the user's drinking water experience.

[0118] The above is Embodiment 1 of a water system provided in this application. The following is Embodiment 2 of a water system provided in this application. Please refer to the following for details. Figure 1 .

[0119] Based on the solution of Embodiment 1 above:

[0120] Furthermore, the microbial treatment module 3 is one or a combination of a bacteria blocking module and a bacteria removal module.

[0121] When the microbial treatment module 3 is a bacterium-blocking module, it uses special filter materials or structures to physically intercept bacteria and other microorganisms in the water, allowing only water molecules and other small molecules to pass through, thus blocking bacteria before they enter the subsequent water path. This bacterium-blocking module has high interception efficiency and stability, effectively blocking bacteria for a long time and ensuring the hygiene of the effluent. When the microbial treatment module 3 is a bactericidal module, it can employ various bactericidal methods, such as ultraviolet sterilization, ozone sterilization, and silver ion sterilization. Taking ultraviolet sterilization as an example, the bactericidal module is equipped with ultraviolet lamps. When water flows through, the ultraviolet light can destroy the DNA or RNA structure of bacteria, rendering them inactive, thereby achieving the purpose of sterilization. Ozone sterilization utilizes the strong oxidizing properties of ozone to chemically react with bacteria and kill them. Silver ion sterilization works by having silver ions bind to the bacterial cell membrane or enzymes, disrupting the normal physiological functions of bacteria and achieving a sterilization effect. If the microbial treatment module 3 is a combination of a bacterium-blocking module and a bactericidal module, it can leverage the advantages of both. First, the bacteria-blocking module intercepts most bacteria, reducing the processing pressure on the subsequent sterilization module; then, the sterilization module thoroughly eliminates the remaining bacteria, further improving the hygiene and safety of the effluent. This combined approach can more comprehensively and effectively treat microorganisms in the water, providing users with the ultimate guarantee of safe drinking water.

[0122] Furthermore, such as Figure 1 As shown, the hot water generating device 1 includes a heater 11 and a first water pump 12; the first water pump 12 and the heater 11 are installed in the hot water circuit 20.

[0123] Heater 11 is used to heat the water to a temperature (e.g., 95°C) capable of killing bacteria and other microorganisms. First water pump 12 provides power to circulate the hot water between hot water path 20 and outlet water path 10. When first water pump 12 starts, hot water flows from hot water generating device 1, along hot water path 20, into outlet water path 10, and then back to hot water generating device 1, forming a loop.

[0124] Furthermore, heater 11 is either a freestanding heater or a containment heater.

[0125] An independent heater is a type of heater that only has a heating function. It acts directly on the hot water circuit 20 and can be an electric heating wire, etc.

[0126] A containment heater is a heater with a certain volume of space, capable of storing a certain amount of water before heating it, such as a hot water tank. The advantage of a containment heater over a freestanding heater is its ability to store a certain amount of hot water, ensuring a continuous supply of hot water for a period of time. Containment heaters are more suitable for scenarios with high water consumption or requiring continuous hot water use. In practical applications, the appropriate heater type can be selected based on specific usage needs and scenarios, without any restrictions.

[0127] Furthermore, such as Figure 1 As shown, the design of the first water circuit control component includes a first diverting valve 21. One end of the hot water circuit 20 is connected to one end of the outlet water circuit 10 and the faucet 30 via the first diverting valve 21. The first diverting valve 21 is a three-way diverting valve, with its three connection ends used to connect the hot water circuit 20, the outlet water circuit 10, and the faucet 30, respectively, to switch between the outlet water circuit 10 and the hot water circuit 20, or between the outlet water circuit 10 and the faucet 30. By switching the first diverting valve 21, the direction of water flow can be precisely controlled to meet the needs of different usage scenarios. For example, when hot water circulation sterilization is required, the first diverting valve 21 can be switched to connect the hot water circuit 20 and the outlet water circuit 10, allowing hot water to circulate in these two water circuits; while when the user needs to use water, the first diverting valve 21 can be switched to connect the outlet water circuit 10 and the faucet 30, allowing water to flow smoothly from the faucet 30.

[0128] In addition, the first water circuit control component may also include two on / off valves, which are connected in series in the outlet water circuit 10 and the hot water circuit 20 respectively. Water circuit switching control can also be achieved by controlling the on / off of the two on / off valves. However, this method requires more valves than the diverter valve design. Therefore, the diverter valve design is preferred. Of course, those skilled in the art can make changes according to actual needs without restriction.

[0129] Furthermore, such as Figure 1As shown, the first water circuit control component also includes a first check valve 22; the first check valve 22 is connected in series in the hot water circuit 20 and is located between the output end of the hot water generating device 1 and the outlet water circuit 10. The first check valve 22 effectively prevents hot water backflow, ensuring that hot water circulates between the hot water circuit 20 and the outlet water circuit 10 in a predetermined direction. When the hot water generating device 1 outputs hot water, the first check valve 22 allows the hot water to flow normally to the outlet water circuit 10; however, in the event of an unexpected situation, such as pressure fluctuations that may cause hot water backflow, the first check valve 22 will automatically close, preventing the hot water from flowing backward, thereby ensuring the normal operation of the entire water circuit system and the stability of the hot water circulation.

[0130] Based on the water system of Embodiment 2 above, such as Figure 6 As shown, this application also discloses the following water circuit control method, which is applied to a control device;

[0131] The control device is communicatively connected to the water system of Embodiment Two and is used to control the water system to perform the following steps:

[0132] S1, when the preset time interval is reached or when the water outlet faucet is detected to have finished dispensing water, the first water circuit control component and the hot water generating device are controlled to operate, so that the hot water circuit and the outlet water circuit circulate hot water for a preset time.

[0133] The execution mode that reaches the preset time interval is a timed automatic disinfection mode, as shown in the example below:

[0134] The disinfection mode will run every 2 hours starting from 00:00.

[0135] Hot water in the hot tank (heater 11 heats water to 95℃) → first water pump 12 → first check valve 22 → microbial treatment module 3 → first diverter valve 21 switches to internal circulation, no water is discharged (i.e., the outlet water path 10 is connected to the hot water path 20) → hot tank. Through the flushing and soaking of hot water, bacteria in the microbial treatment module 3, the water faucet 30, and the area of ​​the outlet water path 10 are killed, keeping the total number of bacteria in the outlet water <20 cfu / mL.

[0136] The system detected that the water tap at 30°C has completed water dispensing, indicating a powerful disinfection mode. This powerful disinfection mode is recommended for users who do not frequently use their water purifiers. An example is shown below:

[0137] After each water draw (at room temperature), the hot water in the hot tank (95℃) is run once: First water pump 12 → First check valve 22 → Microbial treatment module 3 → First diverting valve 21 switches to internal circulation, and no water is discharged (i.e., the outlet water path 10 is connected to the hot water path 20) → Hot tank. Through the flushing and soaking of hot water, bacteria in the sterilization module, water faucet 30, and outlet water path 10 area are killed, reducing the possibility of bacterial residue and growth, and further ensuring that the water path is in a clean state with a total bacterial count of <20 cfu / mL.

[0138] The above is a second embodiment of a water system provided in this application. The following is a third embodiment of a water system provided in this application. Please refer to the following for details. Figure 2 as well as Figure 3 .

[0139] Based on the solution of Embodiment 2 above:

[0140] Furthermore, such as Figure 2 As shown, it also includes a first connecting water path 50 and a second water path control component; one end of the first connecting water path 50 is connected to the hot water path 20 and is located between the input end of the hot water generating device 1 and the outlet water path 10; the second water path control component is used to control the connection and disconnection between the first connecting water path 50 and the hot water path 20, and / or control the connection and disconnection of the hot water path 20. This design allows water to flow through the inlet water path 40, the filter device 4, the outlet water path 10, part of the hot water path 20, and the first connecting water path 50, eliminating the stagnant water areas present in traditional water purifiers, which can easily lead to bacterial and algal growth when the machine operates intermittently.

[0141] Furthermore, such as Figure 2 As shown, the second water circuit control component includes a second diverting valve 51; one end of the first connecting water circuit 50 is connected to the hot water circuit 20 through the second diverting valve 51. The second diverting valve 51 is a three-way diverting valve, with three connecting ends used to connect different parts of the first connecting water circuit 50 and the hot water circuit 20, respectively, to realize the control of the conduction or disconnection of the first connecting water circuit 50 and the hot water circuit 20. By switching the second diverting valve 51, the direction of water flow can be flexibly controlled. When it is necessary to eliminate the internal dead water zone, the second diverting valve 51 can be switched to the state that connects the first connecting water circuit 50 and part of the hot water circuit 20, allowing water to flow between the inlet water circuit 40, the filter device 4, the outlet water circuit 10, part of the hot water circuit 20, and the first connecting water circuit 50, flushing away residual water and reducing the possibility of bacterial and algae growth.

[0142] Similar to the design of the first water circuit control component, the second water circuit control component can also be designed to include two on / off valves, which are used to control the on / off of the hot water circuit 20 and the first connecting water circuit 50 respectively, thereby realizing the switching of water flow direction. Those skilled in the art can make changes to the design according to actual needs without limitation.

[0143] Furthermore, such as Figure 2 As shown, the second water circuit control component also includes a second check valve 52; the second check valve 52 is connected in series in the first connecting water circuit 50. The function of the second check valve 52 is to prevent backflow of water in the first connecting water circuit 50, further improving the stability and reliability of the entire water circuit system.

[0144] For the design of filter device 4, there are several design options:

[0145] As in method one, such as Figure 2 As shown, only the design of the first filter 41 is included.

[0146] The other end of the inlet water passage 40 is connected to the first filter 41; the first filter 41 is connected to the other end of the outlet water passage 10 through the C1 purified water passage 48; the other end of the first connecting water passage 50 is connected to the drain passage 46.

[0147] In this design that includes only the first filter 41, after water flows through the first filter 41, it enters the outlet water path 10 through the C1 purified water path 48, and finally flows out from the faucet 30 for user use. The other end of the first connecting water path 50 is connected to the drain path 46. When the system needs to be flushed or maintained, some water can be introduced into the drain path 46 through the first connecting water path 50 to discharge impurities and sewage from the system, ensuring the cleanliness of the water system.

[0148] The first filter 41 can be a composite filter, an ultrafiltration filter, a reverse osmosis filter, etc., and there are no specific restrictions.

[0149] Alternatively, as in method two, such as Figure 3 As shown, a two-filter combination design includes a first filter 41 and a second filter 42.

[0150] The other end of the inlet water passage 40 is connected to the first filter 41; the first filter 41 is connected to the second filter 42 through the C2 purified water passage 45; the second filter 42 is connected to the other end of the outlet water passage 10 through the C3 purified water passage 49; or, the second filter 42 is connected to the first filter 41 through the C4 purified water passage 47, and the first filter 41 is connected to the other end of the outlet water passage 10 through the C1 purified water passage 48; the other end of the first connecting water passage 50 is connected to the drain passage 46.

[0151] In this design that includes a dual-filter system, the water first undergoes preliminary filtration through the first filter 41, removing larger particulate impurities and suspended solids. Then, depending on the connection method, the water can enter the second filter 42 through the C2 water purification path 45 for more refined filtration, further removing harmful substances such as bacteria, viruses, and heavy metals; alternatively, it can return to the first filter 41 through the C4 water purification path 47 for further filtration, and then enter the outlet water path 10 through the C1 water purification path 48, finally flowing out from the faucet 30. This dual-filtration method can significantly improve the quality of the output water, meeting users' needs for high-quality drinking water.

[0152] Similarly, the other end of the first connecting water passage 50 is connected to the drainage passage 46. When deep cleaning or maintenance of the system is required, some water can be introduced into the drainage passage 46 through the first connecting water passage 50 to discharge impurities, dirt, and sewage accumulated in the first filter 41, the second filter 42, and the entire water system. This effectively prevents bacteria and algae from growing in the filters and water passages, extends the service life of the filters, and improves the operating efficiency and stability of the entire water system.

[0153] The first filter 41 and the second filter 42 can be combined in different ways according to actual needs. For example, the first filter 41 can be a composite filter to initially intercept various impurities in the water; the second filter 42 can be a reverse osmosis filter to achieve high-precision filtration of tiny substances such as salt and heavy metals in the water. Alternatively, the first filter 41 can be an ultrafiltration filter, and the second filter 42 can be an activated carbon filter. The combination of the two can remove larger particulate impurities and adsorb odors and residual chlorine in the water. The specific filter combination can be flexibly selected and configured according to local water quality conditions, user needs, and other factors to achieve the best filtration effect and water quality improvement.

[0154] Taking a composite filter 41 as the first filter and a reverse osmosis filter 42 as the second filter as an example. Traditional water purifiers focus on removing contaminants from the inlet water using the filter cartridges, but generally neglect the risk of "secondary contamination" of purified water during storage and transportation. Especially in reverse osmosis (RO) water purifiers equipped with pressure storage tanks, the long-term use of the air bladder inside the tank may introduce external bacteria, and the humid, enclosed environment inside the tank provides a breeding ground for microorganisms. To solve these problems:

[0155] The filter device 4 also includes a second water pump 43 and a first on / off valve 44; the first on / off valve 44 and the second water pump 43 are connected in series in the c2 purified water circuit 45; the drain circuit 46 is connected to the concentrated water output terminal 423 of the second filter 42.

[0156] Specifically, the first filter 41 has an a1 purified water inlet 411, an a1 purified water outlet 412, an a2 purified water inlet 413, and an a2 purified water outlet 414; a first purification path is formed between the a1 purified water outlet 412 and the a1 purified water inlet 411; a second purification path is formed between the a2 purified water outlet 414 and the a2 purified water inlet 413; the other end of the water inlet path 40 is connected to the a1 purified water inlet 411; the second filter 42 has a b1 purified water inlet 421. The system includes a concentrated water output terminal 423 and a purified water output terminal 422; a1 purified water output terminal 412 is connected to b1 purified water input terminal 421 via c2 purified water circuit 45; a first on / off valve 44 and a second water pump 43 are connected in series in c2 purified water circuit 45; a2 purified water output terminal 414 is connected to the other end of outlet water circuit 10 via c1 purified water circuit 48; b1 purified water output terminal 422 is connected to a2 purified water input terminal 413 via c4 purified water circuit 47; and concentrated water output terminal 423 is connected to drain circuit 46. For ease of control, the first on / off valve 44 can be a solenoid valve, and the second water pump 43 is a booster pump, which serves to increase pressure; details are not elaborated further.

[0157] The design of the second water pump 43, combined with the high-flow second filter 42, enables "instant filtration and drinking" by combining the high-flow (reverse osmosis filter) second filter 42 with the intelligent variable frequency driven second water pump 43, thereby eliminating the traditional pressure tank and fundamentally eliminating the traditional pressure tank, the biggest source of secondary pollution.

[0158] Furthermore, a third check valve 53 is connected in series on the C1 water purification circuit 48 and / or the C3 water purification circuit 49. The third check valve 53 prevents backflow of water in the C1 water purification circuit 48 and / or the C3 water purification circuit 49, ensuring that the water flows in the predetermined direction and maintaining the normal operation of the entire water circuit system.

[0159] Based on the water system of Embodiment 3 above, such as Figure 7 As shown, this application also discloses the following water circuit control method, which is applied to a control device;

[0160] The control device is communicatively connected to the water system of Embodiment 3 and is used to control the water system to perform the following steps:

[0161] S10, when the first preset time interval is reached or when the water outlet faucet 30 is detected to have finished dispensing water, the first water circuit control component and the hot water generating device 1 are controlled to operate, so that hot water circulates between the hot water circuit 20 and the water outlet circuit 10 for the first preset time.

[0162] S20, when the second preset time interval is reached, or when the filter device 4 completes filter replacement, or when a preset control command is received, the first water circuit control component, the second water circuit control component, and the filter device 4 are first controlled to operate, so that normal temperature water flows between the inlet water circuit 40, the filter device 4, the outlet water circuit 10, and the first connecting water circuit 50 for a second preset time; then the first water circuit control component and the hot water generating device 1 are controlled to operate, so that hot water circulates between the hot water circuit 20 and the outlet water circuit 10 for a third preset time, wherein the second preset time interval is greater than the first preset time interval.

[0163] The execution steps of S10 are equivalent to steps of S1 in the waterway control method of Embodiment 2, wherein,

[0164] The execution mode upon reaching the first preset time interval is a timed automatic disinfection mode, as shown in the example below:

[0165] The timer starts at 00:00, and this disinfection mode will run every 2 hours.

[0166] Hot water (95℃) in the hot tank → First water pump 12 → First check valve 22 → Microbial treatment module 3 → First diverting valve 21 switches to internal circulation, no water is discharged (i.e., the outlet water path 10 is connected to the hot water path 20) → Second diverting valve 51 switches to hot water circulation, no water enters the first connecting water path 50 (i.e., the hot water path 20 is connected) → Hot tank. Through the flushing and soaking of hot water, bacteria in the microbial treatment module 3, the water faucet 30, and the area of ​​the outlet water path 10 are killed, keeping the total number of bacteria in the outlet water <20 cfu / mL.

[0167] The system detected that the water tap at 30°C has completed water dispensing, indicating a powerful disinfection mode. This powerful disinfection mode is recommended for users who do not frequently use their water purifiers. An example is shown below:

[0168] After each water draw (at room temperature), the hot water in the hot tank (95℃) is run once: First water pump 12 → First check valve 22 → Microbial treatment module 3 → First diverting valve 21 switches to internal circulation, discontinuing water flow (i.e., switching the outlet water path 10 and hot water path 20 to be connected) → Second diverting valve 51 switches to hot water circulation, not entering the first connecting water path 50 (i.e., switching the hot water path 20 to be connected) → Hot tank. Through the flushing and soaking of hot water, bacteria in the sterilization module, faucet 30, and outlet water path 10 areas are killed, reducing the possibility of bacterial residue and growth, further ensuring that the water path is in a clean state.

[0169] The main difference between step S10 and step S1 above is that step S10 adds control of the second steering valve 51.

[0170] The execution mode that reaches the second preset time interval is a standby triggered elimination mode, as shown in the following example:

[0171] The disinfection mode will run every 12 hours, starting from 00:00.

[0172] Run the first disinfection:

[0173] Water inlet path 40 → First filter 41 → First on / off valve 44 → Second water pump 43 → Second filter 42 → First filter 41 → Third check valve 53 → Microbial treatment module 3 → First diverter valve 21 switches to internal circulation, no water output → Second diverter valve 51 switches to ambient temperature water circulation, no water enters the hot water tank → Second check valve 52 → Drainage path 46. Bacteria in the filter cartridges and water path are 100% intercepted by the microbial treatment module 3, reducing the bacterial concentration in the filter cartridges and water path and maintaining it within an extremely low range.

[0174] Run the disinfection process a second time:

[0175] After the first disinfection, the hot water (95℃) in the hot tank → first water pump 12 → first check valve 22 → microbial treatment module 3 → first diverting valve 21 switches to internal circulation, no water is discharged (i.e., the outlet water path 10 is connected to the hot water path 20) → second diverting valve 51 switches to hot water circulation, no water enters the first connecting water path 50 (i.e., the hot water path 20 is connected) → hot tank. Through the flushing and soaking of hot water, bacteria in the microbial treatment module 3, the water faucet 30, and the area of ​​the outlet water path 10 are killed, keeping the total number of bacteria in the outlet water <20 cfu / mL.

[0176] The execution mode of the filter device 4 after completing the filter replacement (especially the post-activated carbon filter) is the disinfection mode after filter replacement. This disinfection mode is to execute the above-mentioned standby trigger disinfection mode once to eliminate microorganisms that may be introduced during the replacement process. The details are not elaborated here.

[0177] The execution mode of receiving the preset control command is the user-controlled disinfection mode. For example, the control command is sent to the control device through the software control interface running on a smart terminal such as a mobile phone / tablet. After receiving the command, the control device executes the above-mentioned standby triggered disinfection mode. The details are not elaborated here.

[0178] The above is Embodiment 3 of a water system provided in this application. The following is Embodiment 4 of a water system provided in this application. Please refer to the following for details. Figure 4 as well as Figure 5 .

[0179] Based on the solutions of Embodiments 2 or 3 above:

[0180] Furthermore, such as Figure 4As shown, it also includes a first connecting water path 50 and a second water path control component; one end of the first connecting water path 50 is connected to the hot water path 20 and is located between the input end of the hot water generating device 1 and the outlet water path 10; the second water path control component is used to control the connection and disconnection between the first connecting water path 50 and the hot water path 20, and / or control the connection and disconnection of the hot water path 20. This design allows water to flow through the inlet water path 40, the filter device 4, the outlet water path 10, part of the hot water path 20, and the first connecting water path 50, eliminating the stagnant water areas present in traditional water purifiers, which can easily lead to bacterial and algal growth when the machine operates intermittently.

[0181] Furthermore, such as Figure 4 As shown, the second water circuit control component includes a second diverting valve 51; one end of the first connecting water circuit 50 is connected to the hot water circuit 20 through the second diverting valve 51. The second diverting valve 51 is a three-way diverting valve, with three connecting ends used to connect different parts of the first connecting water circuit 50 and the hot water circuit 20, respectively, to realize the control of the conduction or disconnection of the first connecting water circuit 50 and the hot water circuit 20. By switching the second diverting valve 51, the direction of water flow can be flexibly controlled. When it is necessary to eliminate the internal dead water zone, the second diverting valve 51 can be switched to the state that connects the first connecting water circuit 50 and part of the hot water circuit 20, allowing water to flow between the inlet water circuit 40, the filter device 4, the outlet water circuit 10, part of the hot water circuit 20, and the first connecting water circuit 50, flushing away residual water and reducing the possibility of bacterial and algae growth.

[0182] Similar to the design of the first water circuit control component, the second water circuit control component can also be designed to include two on / off valves, which are used to control the on / off of the hot water circuit 20 and the first connecting water circuit 50 respectively, thereby realizing the switching of water flow direction. Those skilled in the art can make changes to the design according to actual needs without limitation.

[0183] The main difference between this system and the water system in Embodiment 3 is that, as Figure 4 As shown, this fourth embodiment adds a pure water tank 6, a second connecting water path 60, and a third water path control component. The other end of the first connecting water path 50 is connected to the pure water tank 6. The pure water tank 6 is connected to the filter device 4 through the second connecting water path 60. The third water path control component is used to control the on / off state of the second connecting water path 60. Based on the design with the pure water tank 6, an internal circulation disinfection water path is constructed, namely, filter device 4 → outlet water path 10 → first connecting water path 50 → pure water tank 6 → second connecting water path 60 → filter device 4.

[0184] Furthermore, the pure water tank 6 is designed to be made of stainless steel. The smooth surface of the stainless steel tank 6 reduces the adhesion of bacteria and impurities, ensuring a cleaner storage environment for the pure water. At the same time, stainless steel has excellent corrosion resistance, which extends the service life of the pure water tank 6 and reduces the risk of water pollution caused by tank material issues.

[0185] Furthermore, it also includes a UV-LED lamp; the inner wall of the pure water tank 6 is coated with a photocatalytic coating; the UV-LED lamp is installed in the pure water tank 6 to activate the photocatalytic coating. When a sterilization signal is received, the UV-LED lamp installed in the pure water tank 6 operates to irradiate the photocatalytic coating, thereby activating the photocatalytic coating and continuously decomposing the organic matter and bacteria attached to it. Through this photocatalytic sterilization method, the purification effect in the pure water tank 6 can be further improved, providing users with safer and purer drinking water.

[0186] The photocatalytic coating can be, for example, a TiO2 coating, without limitation.

[0187] Similar to Embodiment 3, the filtration device can be designed in various ways:

[0188] As in method one, such as Figure 4 As shown, only the design of the first filter 41 is included.

[0189] The other end of the inlet water passage 40 is connected to the first filter 41; the first filter 41 is connected to the other end of the outlet water passage 10 via the C1 purified water passage 48; the second connecting water passage 60 connects to the first filter 41, enabling a circulating water path between the pure water tank 6 and the first filter 41. In this design that only includes the first filter 41, when water flows into the first filter 41 from the inlet water passage 40, it undergoes filtration to remove impurities, particles, and other pollutants. The purified water then flows into the outlet water passage 10 via the C1 purified water passage 48, providing usable water for the user. Simultaneously, the second connecting water passage 60 connects the first filter 41 and the pure water tank 6, allowing water in the pure water tank 6 to recirculate and filter back into the first filter 41 when needed, further improving the purity of the water.

[0190] The first filter 41 can be a composite filter, an ultrafiltration filter, a reverse osmosis filter, etc., and there are no specific restrictions.

[0191] Alternatively, as in method two, such as Figure 5 As shown, a two-filter combination design includes a first filter 41 and a second filter 42.

[0192] The other end of the inlet water passage 40 is connected to the first filter 41; the first filter 41 is connected to the second filter 42 through the C2 purified water passage 45; the second filter 42 is connected to the other end of the outlet water passage 10 through the C3 purified water passage 49; the first filter 41 is also connected to the other end of the outlet water passage 10 through the C1 purified water passage 48; there are two second connecting water passages 60; one of the second connecting water passages 60 is connected to the first filter 41, so that the water passage between the pure water tank 6 and the first filter 41 can form a circulating water passage; the other second connecting water passage 60 is connected to the second filter 42, so that the water passage between the pure water tank 6 and the second filter 42 can form a circulating water passage.

[0193] In this design with two filters, water enters through the inlet channel 40 and first undergoes preliminary filtration through the first filter 41, removing larger particles and some contaminants. The pre-filtered water then flows through the C2 purified water channel 45 into the second filter 42, which performs further deep filtration, removing smaller impurities and microorganisms to achieve higher water quality standards. The water filtered by the second filter 42 then flows through the C3 purified water channel 49 into the outlet channel 10, providing users with even purer water. Simultaneously, two second connecting water channels 60 connect the first filter 41 and the second filter 42 to the pure water tank 6, forming two independent circulating water channels. When further purification of the water is needed or when the water in the pure water tank 6 needs to be circulated, the water in the pure water tank 6 can flow through the corresponding second connecting water channels 60 into the first filter 41 and the second filter 42 for further filtration, resulting in continuous and stable improvement in water quality.

[0194] The first filter 41 and the second filter 42 can be combined in different ways according to actual needs. For example, the first filter 41 can be a composite filter to initially intercept various impurities in the water; the second filter 42 can be a reverse osmosis filter to achieve high-precision filtration of tiny substances such as salt and heavy metals in the water. Alternatively, the first filter 41 can be an ultrafiltration filter, and the second filter 42 can be an activated carbon filter. The combination of the two can remove larger particulate impurities and adsorb odors and residual chlorine in the water. The specific filter combination can be flexibly selected and configured according to local water quality conditions, user needs, and other factors to achieve the best filtration effect and water quality improvement.

[0195] Taking a composite filter 41 as the first filter and a reverse osmosis filter 42 as the second filter as an example. Traditional water purifiers focus on removing contaminants from the inlet water using the filter cartridges, but generally neglect the risk of "secondary contamination" of purified water during storage and transportation. Especially in reverse osmosis (RO) water purifiers equipped with pressure storage tanks, the long-term use of the air bladder inside the tank may introduce external bacteria, and the humid, enclosed environment inside the tank provides a breeding ground for microorganisms. To solve these problems:

[0196] The filtration device 4 also includes a second water pump 43 and a first on / off valve 44; the first on / off valve 44 and the second water pump 43 are connected in series in the C2 purified water circuit 45; the third water circuit control component includes a second on / off valve 71 and a third water pump 72; another second connecting water circuit 60 is connected to the C2 purified water circuit 45 and is located between the first on / off valve 44 and the second water pump 43; the second on / off valve 71 is connected in series in the second connecting water circuit 60 connected to the C2 purified water circuit 45; the third water pump 72 is connected in series in the second connecting water circuit 60 connected to the first filter 41.

[0197] Specifically, the first filter 41 has an a1 purified water inlet 411, an a1 purified water outlet 412, an a2 purified water inlet 413, and an a2 purified water outlet 414; a first purification path is formed between the a1 purified water outlet 412 and the a1 purified water inlet 411; a second purification path is formed between the a2 purified water outlet 414 and the a2 purified water inlet 413; the other end of the water inlet 40 is connected to the a1 purified water inlet 411; the second filter 42 has a b1 purified water inlet 421, a concentrated water outlet 423, and a b1 purified water outlet 414. Water output terminal 422; A1 purified water output terminal 412 is connected to B1 purified water input terminal 421 through C2 purified water passage 45; First on / off valve 44 and second water pump 43 are connected in series in C2 purified water passage 45; First on / off valve 44 is located between A1 purified water output terminal 412 and second water pump 43; A2 purified water output terminal 414 is connected to the other end of water outlet passage 10 through C1 purified water passage 48; B1 purified water output terminal 422 is connected to the other end of water outlet passage 10 through C3 purified water passage 49; Concentrated water output terminal 423 is connected to drainage passage 46. The second water connection 60 consists of two parts; one second water connection 60 connects to the c2 purified water water connection 45 and is located between the first on / off valve 44 and the second water pump 43; the other second water connection 60 connects to the a2 purified water input terminal 413; for ease of control, the aforementioned first on / off valve 44 and second on / off valve 71 can be solenoid valves, and the second water pump 43 is a booster pump, which plays a role in pressurization, and the specifics will not be elaborated.

[0198] Similar to Embodiment 3 above, the design of the second water pump 43 paired with the high-flow second filter 42 can achieve "instant filtration and drinking" by combining the high-flow (reverse osmosis filter) second filter 42 with the intelligent variable frequency driven second water pump 43, thereby eliminating the traditional pressure tank and fundamentally eliminating the traditional pressure tank as the biggest source of secondary pollution.

[0199] Furthermore, a third check valve 53 is connected in series on the C1 water purification circuit 48 and / or the C3 water purification circuit 49. The third check valve 53 prevents backflow of water in the C1 water purification circuit 48 and / or the C3 water purification circuit 49, ensuring that the water flows in the predetermined direction and maintaining the normal operation of the entire water circuit system.

[0200] Based on the water system of Embodiment 4 above, such as Figure 8 As shown, this application also discloses the following water circuit control method, which is applied to a control device;

[0201] The control device is communicatively connected to the water system of Embodiment 4 and is used to control the water system to perform the following steps:

[0202] S100, when the detection reaches the first preset time interval or when the water outlet faucet 30 completes water output, first control the first water circuit control component, the second water circuit control component and the third water circuit control component to operate, so that the normal warm water circulates between the water outlet 10, the pure water tank 6 and the first filter 41 for a first preset time; then control the first water circuit control component and control the hot water generating device 1 to operate, so that the hot water circuit 20 and the water outlet 10 circulate hot water for a second preset time.

[0203] S200, when the second preset time interval is reached, or when the filter device 4 completes filter replacement, or when a preset control command is received, the first water circuit control component, the second water circuit control component, the third water circuit control component, and the filter device 4 are first controlled to operate, so that the outlet water circuit 10, the pure water tank 6, and the second filter 42 circulate normally warm water for a third preset time; then the first water circuit control component, the second water circuit control component, and the third water circuit control component are controlled to operate, so that the outlet water circuit 10, the pure water tank 6, and the first filter 41 circulate normally warm water for a fourth preset time; then the first water circuit control component and the hot water generating device 1 are controlled to operate, so that the hot water circuit 20 and the outlet water circuit 10 circulate hot water for a fifth preset time, wherein the second preset time interval is greater than the first preset time interval.

[0204] The execution mode upon reaching the first preset time interval is a timed automatic disinfection mode, as shown in the example below:

[0205] The timer starts at 00:00, and this disinfection mode will run every 2 hours.

[0206] Perform the first disinfection:

[0207] Pure water tank 6 → Third water pump 72 → First filter 41 → Third check valve 53 → Microbial treatment module 3 → First diverter valve 21 switches to internal circulation, no water output → Second diverter valve 51 switches to ambient temperature water circulation, no water enters the hot water tank → Pure water tank 6. Bacteria in the pure water tank 6 and water circuit are 100% intercepted by the microbial treatment module 3, reducing the bacterial concentration in the pure water tank 6 and water circuit, maintaining it within an extremely low range.

[0208] Perform a second disinfection:

[0209] After the first disinfection, the hot water (95℃) in the hot water tank → first water pump 12 → first check valve 22 → microbial treatment module 3 → first diverting valve 21 switches to internal circulation, no water is discharged (i.e., the outlet water path 10 is connected to the hot water path 20) → second diverting valve 51 switches to hot water circulation, no water enters the pure water tank 6 (i.e., the hot water path 20 is connected) → hot water tank. Through the flushing and soaking of hot water, bacteria in the microbial treatment module 3, the water faucet 30, and the area of ​​the outlet water path 10 are killed, keeping the total number of bacteria in the outlet water <20cfu / mL.

[0210] The system detected that the water tap at 30°C has completed water dispensing, indicating a powerful disinfection mode. This powerful disinfection mode is recommended for users who do not frequently use their water purifiers. An example is shown below:

[0211] After each water draw (at room temperature), the hot water in the hot water tank (95℃) is run once → first water pump 12 → first check valve 22 → microbial treatment module 3 → first diverting valve 21 switches to internal circulation, no water is discharged (i.e., the outlet water path 10 and hot water path 20 are connected) → second diverting valve 51 switches to hot water circulation, no water enters the pure water tank 6 (i.e., the hot water path 20 is connected) → hot water tank. Through the flushing and soaking of hot water, bacteria in the sterilization module, faucet 30, and outlet water path 10 area are killed, reducing the possibility of bacterial residue and growth, and further ensuring that the water path is in a clean state.

[0212] The execution mode upon reaching the second preset time interval is a standby-triggered elimination mode, as shown in the following example:

[0213] The disinfection mode will run every 12 hours, starting from 00:00.

[0214] Run the first disinfection:

[0215] Pure water tank 6 → Second shut-off valve 71 (first shut-off valve 44 is closed at this time) → Second water pump 43 is turned on → Second filter 42 (filters again) → Third check valve 53 → Sterilization module → First diverter valve 21 switches to internal circulation, no water output → Second diverter valve 51 switches to room temperature water circulation, no water enters the hot water tank → Pure water tank 6. The water in pure water tank 6 is filtered again by the second filter 42, which solves the problem of high TDS in the first cup of water. The water filtered again is also purer, further reducing the possibility of bacterial growth in pure water tank 6.

[0216] Run the disinfection process a second time:

[0217] After the first disinfection, the fresh pure water in the pure water tank 6 → third water pump 72 → first filter 41 → third check valve 53 → microbial treatment module 3 → first diverter valve 21 switches to internal circulation, no water is discharged → second diverter valve 51 switches to room temperature water circulation, no water enters the hot water tank → pure water tank 6. Bacteria in the pure water tank 6 and the water circuit are 100% intercepted by the microbial treatment module 3, reducing the bacterial concentration in the pure water tank 6 and the water circuit to an extremely low level.

[0218] Run the disinfection process a third time:

[0219] After the second disinfection, the hot water (95℃) from the hot water tank → first water pump 12 → first check valve 22 → microbial treatment module 3 → first diverting valve 21 switches to internal circulation, no water is discharged (i.e., the outlet water path 10 is connected to the hot water path 20) → second diverting valve 51 switches to hot water circulation, no water enters the pure water tank 6 (i.e., the hot water path 20 is connected) → hot water tank. Through the flushing and soaking of hot water, bacteria in the microbial treatment module 3, the water faucet 30, and the area of ​​the outlet water path 10 are killed, keeping the total number of bacteria in the outlet water <20 cfu / mL.

[0220] The execution mode of the filter device 4 after completing the filter replacement (especially the post-activated carbon filter) is the disinfection mode after filter replacement. This disinfection mode is to execute the above-mentioned standby trigger disinfection mode once to eliminate microorganisms that may be introduced during the replacement process. The details are not elaborated here.

[0221] The execution mode of receiving the preset control command is the user-controlled disinfection mode. For example, the control command is sent to the control device through the software control interface running on a smart terminal such as a mobile phone / tablet. After receiving the command, the control device executes the above-mentioned standby triggered disinfection mode. The details are not elaborated here.

[0222] The water system in embodiments two to four described above can also be improved in the following ways:

[0223] Furthermore, it also includes a water circuit board; the water circuit board integrates at least an inlet water circuit 40, an outlet water circuit 10, and a hot water circuit 20. All the water circuits involved in this application can be integrated into the water circuit board.

[0224] Using a modular, one-piece injection-molded water circuit board replaces the traditional, complex water circuit composed of multiple quick-connect fittings and hoses. This significantly reduces connection points, fundamentally eliminating the possibility of microbial growth due to gaps in the joints. Simultaneously, the one-piece molding structure of the water circuit board allows for a more compact and rational water circuit layout, reducing the space occupied by the water circuit and improving the integration and stability of the entire water system. Furthermore, the one-piece injection molding process ensures a smoother surface on the internal flow channels of the water circuit board, reducing water flow resistance, improving water flow efficiency, and further reducing the possibility of bacteria and impurities adhering to and accumulating within the water circuit.

[0225] Furthermore, it also includes a dosing device; the dosing device includes a micro-injection component and / or an electrolysis component.

[0226] The micro-injection component is used to inject sterilizing substances into the water system. These substances can be low-concentration food-grade peroxide solutions / ozone. The micro-injection component includes a micro-metering pump that injects the peroxide solution / ozone into the water system, where it decomposes into water and oxygen after sterilization. This method effectively kills bacteria and viruses in the water system without introducing harmful residues, enhancing the water system's cleanliness.

[0227] The electrolysis unit is used to perform micro-electrolysis on the water flow in a water system. The electrolysis unit includes electrodes that are placed in the relevant water channels to perform micro-electrolysis on the water flow, generating bactericidal hydroxyl radicals and a small amount of active chlorine. After electrolysis stops, the active substances rapidly decay. These active substances generated through micro-electrolysis can effectively kill bacteria and microorganisms in the water, and because the active substances decay rapidly, no harmful substances remain in the water, ensuring water quality safety.

[0228] The two components of the dosing device can be used individually or in combination according to actual needs to achieve the best sterilization effect.

[0229] In addition, all pipes and containers (containers outside the pure water tank) in the water system of this application that come into contact with water can be made of food-grade materials (such as antibacterial PP and antibacterial PE) with composite antibacterial masterbatch to inhibit the attachment and growth of microorganisms.

[0230] While some water purifiers with "sterilization" functions exist on the market, their technical solutions often have limitations:

[0231] Single UV sterilization: Most methods use a back-end UV germicidal lamp. This method is a "point-based" disinfection, which can only kill bacteria in the water flowing through the lamp tube momentarily. It is almost ineffective against biofilms already attached to the filter surface, the inner wall of the water storage tank, and the walls of long water pipes. Once the machine stops, bacteria will quickly regrow in these areas.

[0232] Risk of chemical disinfectant residue: Some solutions suggest regularly adding chemical disinfectants (such as ozone or chlorine-containing agents). While this method has some effect, it is prone to producing byproducts, posing a risk of chemical residue, affecting the taste and safety of the water, and is complex to operate, making it unsuitable for daily maintenance by home users.

[0233] The filter element itself becomes a source of contamination:

[0234] Adsorption-type filter cartridges (such as activated carbon filter cartridges) not only adsorb organic matter, but also provide abundant nutrients for the growth of microorganisms. Over time, the inside of the filter cartridge may become a "breeding ground" for microorganisms, which can contaminate the purified water.

[0235] The water system designed in Embodiments 2 to 4 of this application can solve the shortcomings of the prior art and achieve full water circulation disinfection. Through the internal circulation water system design, the pure water system is in a flowing state. At the same time, the microbial treatment module 3 in the water system can intercept 100% of the bacteria, and then kill the intercepted bacteria through 95°C hot water circulation.

[0236] Furthermore, the water system designed in this application constructs a "closed-loop, full-pipeline circulation disinfection" system through the synergistic application and safety management of physical / quasi-physical sterilization media, achieving a paradigm shift from "passive treatment" to "active maintenance" of aseptic performance. It can implement various disinfection execution strategies, including timed automatic disinfection mode, standby-triggered disinfection mode, disinfection mode after filter replacement, powerful disinfection mode, and post-disinfection drainage and flushing. The combination of these multiple disinfection execution strategies allows the water system to adapt to the usage habits and needs of different users.

[0237] For users who use the water frequently, the timed automatic disinfection mode can regularly clean and sterilize the water system during daily use, ensuring that clean water is always available; while for users who use water infrequently, the powerful disinfection mode can perform a deep cleaning of the water system after each use to prevent bacterial growth.

[0238] The standby-triggered disinfection mode provides protection for situations where the system is not used for extended periods. Even when the system is in standby mode, it can periodically perform a comprehensive disinfection of the water system to prevent bacteria from multiplying in the stagnant water system.

[0239] The post-filter replacement disinfection mode can promptly eliminate microorganisms that may be introduced during the filter replacement process, ensuring that the water system remains clean after the filter is replaced.

[0240] The user-controlled disinfection mode gives users more autonomy, allowing them to issue control commands via smart terminals at any time to disinfect the water system according to actual needs. This intelligent design not only improves the user experience but also further enhances the reliability and stability of the entire water system.

[0241] The post-disinfection drain and flushing mode opens the drain valve after the disinfection process is completed, draining the "dead water" containing high concentrations of disinfectant. Then, freshly produced pure water is used to flush the entire water system, ensuring that no disinfectant residue remains when the user takes water.

[0242] Meanwhile, the water system of this application also features an integrated design of the water circuit board, a reasonable application of the dosing device, and the selection of antibacterial materials, which together ensure the efficient operation and cleanliness of the water system from multiple aspects.

[0243] In the future, the water system described in this application will be widely used in more scenarios such as homes and businesses, driving the entire water purification industry towards a healthier and more environmentally friendly direction.

[0244] The above provides a detailed description of a water system and control method provided in this application. For those skilled in the art, based on the ideas of the embodiments of this application, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A waterway system, characterized in that, It includes an inlet water path (40), a filter device (4), an outlet water path (10), a hot water path (20), a hot water generating device (1), a microbial treatment module (3), and a first water path control component; One end of the water outlet channel (10) is used to connect to the water outlet faucet (30); The two ends of the hot water circuit (20) are respectively connected to the two ends of the outlet water circuit (10); The microbial treatment module (3) is connected in series with the effluent channel (10); The hot water generating device (1) is installed on the hot water circuit (20); The first water circuit control component is used to control the connection and disconnection between the hot water circuit (20) and the outlet water circuit (10), and / or control the connection and disconnection between the outlet water circuit (10) and the water tap (30); One end of the water inlet channel (40) is used to connect to a water source, and the other end is connected to the other end of the water outlet channel (10) through the filter device (4); The microbial treatment module (3) is a bacterium-blocking module, or a combination of a bacterium-blocking module and a bactericidal module, wherein the bacterium-blocking module is used to physically intercept microorganisms in the water to prevent them from entering the subsequent water path and only allow water molecules and other small molecules to pass through. When the hot water path (20) and the outlet water path (10) form a circulation, the hot water generated by the hot water generating device (1) kills the microorganisms intercepted and / or killed on the microbial treatment module (3) through circulation, preventing the microorganisms from forming a film and clogging the module, so as to extend the service life of the microbial treatment module (3). It also includes a first connecting waterway (50) and a second waterway control component; One end of the first connecting water passage (50) is connected to the hot water passage (20) and is located between the input end of the hot water generating device (1) and the outlet water passage (10); The second water circuit control component is used to control the connection and disconnection between the first connecting water circuit (50) and the hot water circuit (20), and / or control the connection and disconnection of the hot water circuit (20); The other end of the first connecting water passage (50) is connected to the drain passage (46); or, it also includes a pure water tank (6), a second connecting water passage (60) and a third water passage control component, the other end of the first connecting water passage (50) is connected to the pure water tank (6), the pure water tank (6) is connected to the filter device (4) through the second connecting water passage (60), and the third water passage control component is used to control the opening and closing of the second connecting water passage (60).

2. The water system according to claim 1, characterized in that, The hot water generating device (1) includes a heater (11) and a first water pump (12). The first water pump (12) and the heater (11) are installed on the hot water circuit (20).

3. The water system according to claim 2, characterized in that, The heater (11) is either a freestanding heater or a container heater.

4. The water system according to claim 3, characterized in that, The containment heater is a hot tank.

5. The water system according to claim 1, characterized in that, The first water circuit control component includes a first diverting valve (21); One end of the hot water circuit (20) is connected to one end of the outlet water circuit (10) and the outlet faucet (30) via the first diverting valve (21).

6. The water system according to claim 5, characterized in that, The first water circuit control component also includes a first check valve (22); The first check valve (22) is connected in series in the hot water circuit (20) and is located between the output end of the hot water generating device (1) and the outlet water circuit (10).

7. The water system according to claim 1, characterized in that, The second water circuit control component includes a second diverting valve (51); One end of the first connecting water passage (50) is connected to the hot water passage (20) through the second diverting valve (51).

8. The water system according to claim 7, characterized in that, The second water circuit control component also includes a second check valve (52); The second check valve (52) is connected in series with the first connecting water passage (50).

9. The water system according to claim 1, characterized in that, The filtration device (4) includes a first filter (41); The other end of the water inlet channel (40) is connected to the first filter (41); The first filter (41) is connected to the other end of the outlet water passage (10) through the C1 water purification water passage (48); The other end of the first water connection (50) is connected to the drainage channel (46).

10. The water system according to claim 1, characterized in that, The filtration device (4) includes a first filter (41) and a second filter (42); The other end of the water inlet channel (40) is connected to the first filter (41); The first filter (41) is connected to the second filter (42) through the C2 water purification channel (45); The second filter (42) is connected to the other end of the outlet water passage (10) through the C3 water purification passage (49); or, the second filter (42) is connected to the first filter (41) through the C4 water purification passage (47), and the first filter (41) is connected to the other end of the outlet water passage (10) through the C1 water purification passage (48). The other end of the first water connection (50) is connected to the drainage channel (46).

11. The water system according to claim 10, characterized in that, The first filter (41) is a composite filter; The second filter (42) is a reverse osmosis filter; The filter device (4) also includes a second water pump (43) and a first on / off valve (44). The first on / off valve (44) and the second water pump (43) are connected in series in the c2 water purification circuit (45); The drainage path (46) is connected to the concentrated water output end (423) of the second filter (42).

12. The water system according to claim 1, characterized in that, The pure water tank (6) is made of stainless steel.

13. The water system according to claim 1, characterized in that, It also includes UV-LED lamps; The inner wall of the pure water tank (6) is coated with a photocatalytic coating; The UV-LED lamp is placed in the pure water tank (6) to activate the photocatalytic coating.

14. The water system according to claim 1, characterized in that, The filtration device (4) includes a first filter (41); The other end of the water inlet channel (40) is connected to the first filter (41); The first filter (41) is connected to the other end of the outlet water passage (10) through the C1 water purification water passage (48); The second connecting water path (60) is connected to the first filter (41), so that the water path between the pure water tank (6) and the first filter (41) can form a circulating water path.

15. The water system according to claim 1, characterized in that, The filtration device (4) includes a first filter (41) and a second filter (42); The other end of the water inlet channel (40) is connected to the first filter (41); The first filter (41) is connected to the second filter (42) through the C2 water purification channel (45); The second filter (42) is connected to the other end of the outlet water passage (10) via the C3 water purification passage (49); The first filter (41) is also connected to the other end of the outlet water passage (10) via the C1 water purification passage (48); The second connecting waterway (60) consists of two sections; One of the second connecting water passages (60) is connected to the first filter (41), so that the water passage between the pure water tank (6) and the first filter (41) can form a circulating water passage; Another second connecting water path (60) is connected to the second filter (42), so that the water path between the pure water tank (6) and the second filter (42) can form a circulating water path.

16. The water system according to claim 15, characterized in that, The first filter (41) is a composite filter; The second filter (42) is a reverse osmosis filter; The filter device (4) also includes a second water pump (43) and a first on / off valve (44). The first on / off valve (44) and the second water pump (43) are connected in series in the c2 water purification circuit (45); The third water circuit control component includes a second on / off valve (71) and a third water pump (72). Another second connecting water passage (60) is connected to the c2 purified water passage (45) and is located between the first on / off valve (44) and the second water pump (43); The second on / off valve (71) is connected in series to the second connecting water passage (60) that connects to the c2 purified water passage (45); The third water pump (72) is connected in series to the second connecting water passage (60) that connects to the first filter (41).

17. The water system according to claim 10 or 15, characterized in that, A third check valve (53) is connected in series on the c1 water purification circuit (48) and / or the c3 water purification circuit (49).

18. The water system according to claim 1, characterized in that, It also includes water channel panels; The water circuit board integrates at least the inlet water circuit (40), the outlet water circuit (10), and the hot water circuit (20).

19. The water system according to claim 1, characterized in that, It also includes a dosing device; The dosing device includes a micro-injection assembly and / or an electrolysis assembly; The micro-injection component is used to inject sterilizing substances into the water circuit of the water circuit system; The electrolysis component is used to perform micro-electrolysis on the water flow in the water circuit of the water circuit system.

20. A waterway control method, characterized in that, Used in control devices; The control device is communicatively connected to the water system as described in claim 1, and is used to control the water system to perform the following steps: When the preset time interval is reached or when the water outlet faucet (30) is detected to have finished dispensing water, the first water circuit control component and the hot water generating device (1) are controlled to operate, so that the hot water circuit (20) and the water outlet circuit (10) circulate hot water for a preset time.

21. A waterway control method, characterized in that, Used in control devices; The control device is communicatively connected to the water system as described in claim 1, and is used to control the water system to perform the following steps: When the detection reaches the first preset time interval or when the water outlet faucet (30) completes water output, the first water circuit control component and the hot water generating device (1) are controlled to operate, so that hot water circulates between the hot water circuit (20) and the water outlet circuit (10) for a first preset time. When the second preset time interval is reached, or when the filter device (4) completes filter replacement, or when a preset control command is received, the first water circuit control component, the second water circuit control component, and the filter device (4) are first controlled to operate, so that the inlet water circuit (40), the filter device (4), the outlet water circuit (10), and the first connecting water circuit (50) are connected to flow with normal temperature water for a second preset time; then the first water circuit control component and the hot water generating device (1) are controlled to operate, so that the hot water circuit (20) and the outlet water circuit (10) are connected to circulate hot water for a third preset time, wherein the second preset time interval is greater than the first preset time interval.

22. A waterway control method, characterized in that, Used in control devices; The control device is communicatively connected to the water system as described in claim 15, and is used to control the water system to perform the following steps: When the detection reaches the first preset time interval or when the water outlet faucet (30) completes water output, the first water circuit control component, the second water circuit control component and the third water circuit control component are first controlled to operate, so that the normal warm water is circulated between the water outlet (10), the pure water tank (6) and the first filter (41) for a first preset time; then the first water circuit control component and the hot water generating device (1) are controlled to operate, so that the hot water circuit (20) and the water outlet (10) circulate hot water for a second preset time. When the second preset time interval is reached, or when the filter device (4) completes filter replacement, or when a preset control command is received, the first water circuit control component, the second water circuit control component, the third water circuit control component and the filter device (4) are first controlled to operate, so that the outlet water circuit (10), the pure water tank (6) and the second filter (42) circulate normally warm water for a third preset time; then the first water circuit control component, the second water circuit control component and the third water circuit control component are controlled to operate, so that the outlet water circuit (10), the pure water tank (6) and the first filter (41) circulate normally warm water for a fourth preset time; then the first water circuit control component and the hot water generating device (1) are controlled to operate, so that the hot water circuit (20) and the outlet water circuit (10) circulate hot water for a fifth preset time, wherein the second preset time interval is greater than the first preset time interval.

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