Water supply system and water dispenser

Abstract

The utility model relates to the technical field of water treatment equipment, in particular to a water supply system and a water dispenser. The water supply system comprises a filter device and a pressure water purification part, the filter device comprises a front filter element, a rear filter element and a shell assembly, the shell assembly is provided with a front cavity, a rear cavity, a filter element water inlet channel, a water purification channel and a connecting channel, the filter element water inlet channel is communicated with the front cavity, the front filter element is arranged in the front cavity, and the water purification channel is communicated with the rear cavity. A front water outlet channel of the front filter element is communicated with the rear cavity; the rear filter element is arranged in the rear cavity, and a rear water outlet channel of the rear filter element is communicated with the purified water channel; the connecting channel is communicated with the rear cavity; the pressure water storage piece is provided with a water storage cavity, and the water storage cavity is connected with the connecting channel. Compared with the prior art, when water flows out from the water storage cavity, the rear filter element can be used for treating the water body output from the water storage cavity, so that the water quality of the water output from the water storage cavity is improved, and the problem of deterioration of the water output from the water storage cavity is solved.

Description

Technical Field

[0001] This application relates to the field of water treatment equipment technology, specifically to water supply systems and drinking water dispensers. Background Technology

[0002] As income levels rise, people have higher demands for quality of life. Water purifiers, which can provide users with drinking water that meets their needs, are becoming increasingly popular. Because filter cartridges have limited filtration efficiency, some water purifiers are also equipped with a water storage chamber. This chamber stores the purified water after filter treatment, and the stored water can be dispensed when the user needs water.

[0003] However, since users' water demand is not fixed, the water stored in the water storage chamber cannot always be used by users in a timely manner. As a result, the purified water in the water storage chamber may develop an odor or deteriorate after being stored for too long. In addition, the inner wall of the water storage chamber may also develop scale and bacteria after long-term water storage, resulting in poor water quality obtained by users from the water storage chamber, which greatly affects the usability of the water purifier. Utility Model Content

[0004] In view of this, this application provides a water supply system and a drinking water dispenser that can improve the water quality of the water coming out of the water storage chamber.

[0005] To solve the above-mentioned technical problems, one technical solution adopted in this application is: providing a water supply system, including a filtration device and a pressure storage device. The filtration device includes a pre-filter, a post-filter, and a housing assembly. The housing assembly has a pre-chamber, a post-chamber, a filter inlet, a purified water channel, and a connecting channel. The filter inlet is connected to the pre-chamber, the pre-filter is disposed in the pre-chamber, and the pre-outlet channel of the pre-filter is connected to the post-chamber. The post-filter is disposed in the post-chamber, and the post-outlet channel of the post-filter is connected to the purified water channel. The connecting channel is connected to the post-chamber. The pressure storage device has a water storage chamber, and the water storage chamber is connected to the connecting channel.

[0006] In one specific embodiment, the filtration device further includes a reverse osmosis filter element, and the housing assembly is also provided with a wastewater channel. The inlet side of the reverse osmosis filter element is connected to the pre-outlet channel, the outlet side of the reverse osmosis filter element is connected to the post-cavity, and the wastewater discharge side of the reverse osmosis filter element is connected to the wastewater channel.

[0007] In one specific embodiment, the housing assembly is further provided with a reverse osmosis chamber, which connects the water inlet side of the reverse osmosis filter element and the pre-outlet water channel.

[0008] In one specific embodiment, the water supply system further includes a wastewater storage path and a wastewater storage valve. One end of the wastewater storage path is connected to the water storage chamber, and the other end of the wastewater storage path is used to discharge wastewater. The wastewater storage valve is connected to the wastewater storage path.

[0009] In one specific embodiment, the water supply system further includes a water quality detection sensor, a wastewater path, and a wastewater outlet valve. One end of the wastewater path is connected to the purified water channel, and the other end is connected to the wastewater channel and / or the wastewater storage path. The water quality detection sensor is disposed in at least one of the water storage chamber, the purified water channel, the post-outlet water channel, and the connecting channel. The wastewater outlet valve is connected to the wastewater path.

[0010] In one specific embodiment, the water supply system further includes a flushing water path and a flushing valve. One end of the flushing water path is connected to the water storage chamber and the other end is connected to the purified water channel. The flushing valve is connected in the flushing water path.

[0011] In one specific embodiment, the pressure water storage device includes a vacuum water bladder, the vacuum water bladder being flexible, and the water storage cavity being disposed within the vacuum water bladder.

[0012] In one specific embodiment, the pressure water storage device includes an air pump and an air valve, both of which are connected to the water storage chamber. The air pump is used to pump gas into the water storage chamber, and the air valve can unidirectionally flow from the water storage chamber to the outside when it is open.

[0013] In one specific embodiment, the water supply system further includes a water storage valve, which is connected to the connection channel.

[0014] In one specific embodiment, the water supply system further includes a water outlet and a pressure valve. The water outlet is located downstream of the purified water channel, and the pressure valve connects the water outlet and the purified water channel. The pressure valve is capable of unidirectional flow from the purified water channel to the water outlet under pressure.

[0015] To solve the above-mentioned technical problems, another technical solution adopted in this application is: to provide a drinking water machine, including a water outlet component and a water supply system as described in any of the above specific embodiments, wherein the water outlet component includes a water supply path, and the water supply path is connected to the water purification channel of the water supply system.

[0016] The beneficial effects of this application include: by setting a pressure water storage device connected between the post-filter chamber and the post-filter cartridge, the water storage chamber can store water that has been filtered by the pre-filter cartridge but has not yet been filtered by the post-filter cartridge. When no new water enters the post-filter chamber, that is, when the post-filter chamber does not apply water pressure to the water storage chamber, the water in the water storage chamber can return to the post-filter chamber through the connecting channel. Due to the water pressure provided by the pressure water storage device, this part of the water can be filtered by the post-filter cartridge under the water pressure of the pressure water storage device, and thus enter the post-filter outlet channel for output through the purified water channel. By using the post-filter cartridge to filter the water output from the water storage chamber, the water quality of the water output from the water storage chamber to the purified water channel can be guaranteed, effectively improving the problem of water deterioration in the water storage chamber affecting the water quality of the water supply system. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the implementation will be briefly introduced below. Obviously, the drawings described below are some implementations of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic block diagram of the water circuit structure of the water supply system provided in this application;

[0019] Figure 2 This is a schematic diagram of the assembly structure of an embodiment of the filtering device of this application;

[0020] Figure 3 yes Figure 2 A schematic diagram of the cross-sectional structure shown in section AA;

[0021] Figure 4 yes Figure 3 A magnified schematic diagram of the first water flow direction in region X;

[0022] Figure 5 yes Figure 3 A magnified schematic diagram of the second water flow direction in region X;

[0023] Figure 6 yes Figure 2 A schematic diagram of the cross-sectional structure shown in section BB.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Water supply system; 2. Filtration device; 21. Pre-filter cartridge; 211. Melt-blown filter cartridge; 22. Reverse osmosis filter cartridge; 22a. Inlet side; 22b. Outlet side; 22c. Wastewater discharge side; 23. Post-filter cartridge; 24. Housing assembly; 241. Pre-filter chamber; 241a. Pre-filter outlet channel; 242. Reverse osmosis chamber; 243. Post-filter chamber; 243a. Post-filter outlet channel; 244. Filter cartridge inlet; 245. Clean water channel; 246. Connection channel; 247. Wastewater channel; 251. First inner cover; 2 52. Inner sleeve; 253. Second inner cover; 254. First connecting piece; 255. Second connecting piece; 256. Third connecting piece; 3. Pressure water storage component; 31. Water storage chamber; 4. Water storage wastewater path; 41. Water storage wastewater valve; 5. Flushing water path; 51. Flushing valve; 61. Water quality detection sensor; 62. Pump body; 63. Temperature sensor; 64. Inlet valve; 7. Wastewater path; 71. Outlet wastewater valve; 8. Outlet water path; 81. Pressure valve; 9. Outlet water component; 91. Water supply path; 101. Water storage valve. Detailed Implementation

[0026] In this application, the terms "set up," "equipped with," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; 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, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0027] The terms “center,” “longitudinal,” “lateral,” “length,” “width,” “thickness,” “upper,” “lower,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing 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 this application.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0029] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0030] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0031] As income levels rise, people have higher demands for quality of life. Water purifiers, which can provide users with drinking water that meets their needs, are becoming increasingly popular. Because filter cartridges have limited filtration efficiency, some water purifiers are also equipped with a water storage chamber. This chamber stores the purified water after filter treatment, and the stored water can be dispensed when the user needs water.

[0032] However, since users' water demand is not fixed, the water stored in the water storage chamber cannot always be used by users in a timely manner. As a result, the purified water in the water storage chamber may develop an odor or deteriorate after being stored for too long. In addition, the inner wall of the water storage chamber may also develop scale and bacteria after long-term water storage, resulting in poor water quality obtained by users from the water storage chamber, which greatly affects the usability of the water purifier.

[0033] In order to improve or solve the above technical problems, the inventors of this application, after long-term research, have proposed at least the following embodiments.

[0034] To solve the above technical problems, please refer to Figures 1-6 , Figure 1 This is a schematic block diagram of the water circuit structure of the water supply system provided in this application. Figure 2 This is a schematic diagram of the assembly structure of an embodiment of the filtering device of this application. Figure 3 yes Figure 2 A schematic diagram of the cross-sectional structure shown in section AA. Figure 4 yes Figure 3 A magnified schematic diagram of the first water flow direction in region X. Figure 5 yes Figure 3 A magnified schematic diagram of the second water flow direction in region X. Figure 6 yes Figure 2 The cross-sectional view shown in Figure BB is a schematic diagram. This application provides a water supply system 1, which can be used in water treatment equipment such as drinking water dispensers, water purifiers, and hot water dispensers.

[0035] The water supply system 1 may include a filtration device 2 and a pressure storage device 3. The filtration device 2 includes a pre-filter 21, a post-filter 23, and a housing assembly 24. The housing assembly 24 may include a pre-filter chamber 241, a post-filter chamber 243, a filter inlet channel 244, a purified water channel 245, and a connecting channel 246. The filter inlet channel 244 connects to the pre-filter chamber 241, the pre-filter 21 is located in the pre-filter chamber 241, and the pre-outlet channel 241a of the pre-filter 21 connects to the post-filter chamber 243; the post-filter 23 is located in the post-filter chamber 243, and the post-outlet channel 243a of the post-filter 23 connects to the purified water channel 245; the connecting channel 246 connects to the post-filter chamber 243. The pressure storage device 3 includes a storage chamber 31, which is connected to the connecting channel 246.

[0036] When water is normally input into the filter element through the filter inlet channel 244, this water can pass smoothly through the pre-filter 21 under the pressure of the external water source, and enter the post-filter chamber 243 through the pre-filter outlet channel 241a. Part of the water entering the post-filter chamber 243 can be filtered by the post-filter 23 under water pressure and enter the post-filter outlet channel 243a, and then enter the purified water channel 245 for output. The remaining water entering the post-filter chamber 243 can enter the water storage chamber 31 through the connecting channel 246 under water pressure and be stored by the pressure water storage component 3.

[0037] When the water storage chamber 31 is full of water, the water pressure inside the water storage chamber 31 is the same as the water pressure of the external water source. Water that subsequently enters the post-filter chamber 243 through the pre-filter outlet channel 241a can only pass through the post-filter cartridge 23 and enter the purified water channel 245. When the external water source stops supplying water to the filter cartridge through the filter cartridge inlet channel 244, due to the loss of external pressure, the water in the water storage chamber 31 can return to the post-filter chamber 243 through the connecting channel 246 under water pressure, and then pass through the post-filter cartridge 23 and enter the purified water channel 245 under water pressure, thus realizing the storage and utilization of the water in the water storage chamber 31.

[0038] In the structure provided in this specific embodiment, by providing a pressure water storage device 3 connected between the post-filter chamber 243 and the post-filter cartridge 23, water that has been filtered by the pre-filter cartridge 21 but has not yet been filtered by the post-filter cartridge 23 can be stored in the water storage chamber 31. When no new water enters the post-filter chamber 243, that is, when no external water pressure is applied to the water storage chamber 31 through the post-filter chamber 243, the water in the water storage chamber 31 can return to the post-filter chamber 243 through the connecting channel 246. Furthermore, due to the pressure water storage device... 3. Water pressure is applied to this part of the water body. Under the action of water pressure in the pressure storage device 3, this part of the water body can be filtered by the post-filter 23 and then enter the post-outlet channel 243a to be output through the purified water channel 245. The post-filter 23 can be used to filter the water body output from the water storage chamber 31, which can ensure the water quality of the water body output from the water storage chamber 31 to the purified water channel 245 and effectively improve the problem of water deterioration in the water storage chamber 31 affecting the water quality of the water supply system 1.

[0039] In a specific embodiment of this application, see [reference]. Figures 3-6 The filtration device 2 may also include a reverse osmosis filter element 22, and the housing assembly 24 is also provided with a wastewater channel 247. The inlet side 22a of the reverse osmosis filter element 22 is connected to the pre-outlet channel 241a, the outlet side 22b of the reverse osmosis filter element 22 is connected to the post-cavity 243, and the wastewater discharge side 22c of the reverse osmosis filter element 22 is connected to the wastewater channel 247.

[0040] in, Figure 3 The solid lines with arrows indicate that the water in the pre-filter chamber 241, after being filtered by the pre-filter element 21, enters the water inlet side 22a of the reverse osmosis filter element 22 through the pre-filter outlet channel 241a; the dashed lines with arrows indicate the water path through which wastewater is discharged from the wastewater outlet side 22c of the reverse osmosis filter element 22; and the hollow lines with arrows indicate the water path through which water is output from the outlet side 22b of the reverse osmosis filter element 22 to the purified water channel 245 and the connecting channel 246.

[0041] Figure 4 The solid lines with arrows indicate the water path that enters the purified water channel 245 from the outlet side 22b of the reverse osmosis filter element 22 after being filtered by the reverse osmosis filter element 22. The dashed lines with arrows indicate the water path that enters the connecting channel 246 from the outlet side 22b of the reverse osmosis filter element 22 after being filtered by the reverse osmosis filter element 22.

[0042] Figure 5 The solid line with arrows shows the water in the water storage chamber 31 entering the rear chamber 243 through the connecting channel 246, and then entering the rear outlet channel 243a after being filtered by the rear filter element 23, so as to be output through the purified water channel 245.

[0043] Figure 6The dashed line with arrows shows the water path of wastewater entering the wastewater channel 247 through the wastewater discharge side 22c of the reverse osmosis filter element 22, and the solid line with arrows shows the water path of water entering the pre-filter chamber 241 through the filter element inlet channel 244.

[0044] In the structure provided in this specific embodiment, the inlet side 22a of the reverse osmosis filter element 22 is connected to the pre-filter outlet channel 241a, allowing water filtered by the pre-filter chamber 241 to enter the reverse osmosis filter element 22 for further filtration. The wastewater outlet side 22c of the reverse osmosis filter element 22 is connected to the wastewater channel 247, allowing wastewater filtered by the reverse osmosis filter element 22 to be discharged. The outlet side 22b of the reverse osmosis filter element 22 is positioned towards the post-filter chamber 243, allowing water filtered by the reverse osmosis filter element 22 to enter the post-filter chamber 243 through the outlet side 22b. The reverse osmosis filter element 22 can further filter the water, thereby improving the filtration effect of the filtration device 2. Multi-stage filtration ensures the quality of the effluent from the filtration device 2.

[0045] Meanwhile, the reverse osmosis filter 22 can remove most of the impurities in the water to form wastewater (e.g., concentrate), and the wastewater can be discharged through the wastewater channel 247 without entering the post-filter chamber 243 or remaining inside the filter device 2, which can extend the life of the post-filter 23. The pre-filter 21 treatment can reduce the filtration burden of the reverse osmosis filter 22.

[0046] Optionally, see Figure 3 A melt-blown filter element 211 is also provided on the side of the pre-filter 21 facing the pre-filter chamber 241. The melt-blown filter element 211 can perform preliminary filtration of the water entering the filtration device 2, preventing excessive impurities in the water from affecting the service life of the subsequent pre-filter 21, reverse osmosis filter 22, and post-filter 23. The melt-blown filter element 211 can be a PP cotton (polypropylene fiber) filter element. The pre-filter 21 and post-filter 23 can be activated carbon filter elements, which can adsorb impurities in the water, such as pigments or odors.

[0047] In a specific embodiment of this application, see [reference]. Figure 3 , Figure 6 The housing assembly 24 may also be provided with a reverse osmosis chamber 242, which connects the water inlet side 22a of the reverse osmosis filter element 22 and the pre-outlet water channel 241a.

[0048] Specifically, as shown in Figures 5 and 6, the filtration device may include a first inner cover 251, an inner sleeve 252, a second inner cover 253, a first connecting member 254, a second connecting member 255, and a third connecting member 256. A pre-filter outlet channel 241a is located in the central channel of the pre-filter element 21. The post-filter element 23 and the post-filter chamber 243 are located in the central channel of the reverse osmosis filter element 22, and the post-filter outlet channel 243a is located in the central channel of the post-filter element 23. The outlet side 22b of the reverse osmosis filter element 22 faces the central channel of the reverse osmosis filter element 22.

[0049] See Figure 5 One side of the first connecting member 254 is fitted onto the housing assembly 24, and the other side of the first connecting member 254 is fitted onto the lower end of the reverse osmosis filter element 22. The first connecting member 254 isolates the central channel and the wastewater discharge side 22c of the reverse osmosis filter element 22 from the pre-filter chamber 241. The filter element water inlet passage 244 is formed between the housing assembly 24 and the first connecting member 254.

[0050] See Figure 6 The lower end of the pre-filter element 21 is sleeved on one side of the second docking piece 255, and the upper end of the housing assembly 24 is sleeved on the pre-filter element 21. The second docking piece 255 and the housing assembly 24 respectively block the two ends of the central channel of the pre-filter element 21, separating the pre-filter outlet channel 241a from the pre-filter chamber 241 on both sides of the pre-filter element 21.

[0051] See Figure 6 The other side of the second connecting member 255 is sleeved on the outer periphery of the reverse osmosis filter element 22, isolating the central channel and the water inlet side 22a of the reverse osmosis filter element 22 from the pre-filter chamber 241. An inner sleeve 252 is sleeved in the central channel of the reverse osmosis filter element 22. The post-filter chamber 243 and the post-filter element 23 are disposed inside the inner sleeve 252. The inner sleeve 252 has several through holes for connecting the water outlet side 22b of the reverse osmosis filter element 22 and the post-filter chamber 243. The lower end of the inner sleeve 252 is sleeved on the housing assembly 24. A wastewater channel 247 is formed between the housing assembly 24, the first connecting member 254, and the outer peripheral surface of the inner sleeve 252.

[0052] See Figure 6 The first inner cover 251 is disposed on the upper end of the inner sleeve 252, and the upper end of the first inner cover 251 abuts against the second docking member 255. The first inner cover 251, together with the inner sleeve 252, isolates the rear chamber 243 from the reverse osmosis chamber 242. The reverse osmosis chamber is formed between the upper surface of the first inner cover 251 and the lower surface of the second docking member 255. There is a gap between the second docking member 255 and the water inlet side 22a of the reverse osmosis filter element 22, and the gap connects the reverse osmosis chamber 242 and the water inlet side 22a of the reverse osmosis filter element 22.

[0053] See Figure 6The second inner cover 253 is placed on the upper end of the post-filter element 23. The upper end of the third connecting piece 256 is sleeved onto the post-filter element 23, and the lower end of the third connecting piece 256 is sleeved onto the inner sleeve. The second inner cover 253 and the third connecting piece 256 cooperate to separate the central channel of the post-filter element 23 from the post-filter cavity 243, so that the post-filter outlet channel 243a and the post-filter cavity 243 are located on both sides of the post-filter element 23. The third connecting piece 256 connects the purified water channel 245 and the post-filter outlet channel 243a.

[0054] See Figure 5 Both the inner sleeve 252 and the shell assembly 24 have partial connecting channels 246, which are connected. Both the inner sleeve 252 and the shell assembly 24 have partial clean water channels 245, which are connected. The partial connecting channels 246 and the partial clean water channels 245 in the inner sleeve 252 are isolated from each other, as are the partial connecting channels 246 and the partial clean water channels 245 in the shell assembly 24.

[0055] In a specific embodiment of this application, see [reference]. Figure 1 The water supply system 1 may also include a water storage wastewater passage 4 and a water storage wastewater valve 41. One end of the water storage wastewater passage 4 is connected to the water storage chamber 31, and the other end of the water storage wastewater passage 4 is used to discharge wastewater. The water storage wastewater valve 41 is connected to the water storage wastewater passage 4.

[0056] In the structure provided in this specific embodiment, by setting up a water storage wastewater path 4 and a water storage wastewater valve 41, when the water in the water storage chamber 31 deteriorates due to various reasons such as prolonged storage or inadequate filtration, the water storage wastewater valve 41 can be opened to discharge the deteriorated water in the water storage chamber 31 through the water storage wastewater path 4. This can prevent the deteriorated water from polluting the water entering the water storage chamber 31 subsequently, thereby ensuring the water quality of the water supplied by the water supply system 1.

[0057] In a specific embodiment of this application, see [reference]. Figure 1 The water supply system 1 may further include a water quality sensor 61, a wastewater path 7, and a wastewater outlet valve 71. One end of the wastewater path 7 is connected to the clean water channel 245, and the other end of the wastewater path 7 is connected to the wastewater channel 247 and / or the other end of the water storage wastewater path 4. The water quality sensor 61 is disposed in at least one of the water storage chamber 31, the clean water channel 245, the post-outlet water channel 243a, and the connecting channel 246. The wastewater outlet valve 71 is connected to the wastewater path 7.

[0058] In the structure provided in this specific embodiment, the water quality detection sensor 61 can be used to detect the water quality in the water storage chamber 31, the water purification channel 245, the post-water outlet channel 243a, and the connecting channel 246, thereby enabling the monitoring of the water quality of the water output from the filter device 2 and effectively determining whether the water quality output from the filter device 2 meets the requirements.

[0059] Furthermore, by using the water quality detection sensor 61 in conjunction with control measures, the wastewater valve 71 can be opened when the water quality is found to be substandard, and the substandard water can be discharged through the wastewater path 7, thereby reducing the probability of the water quality of the water supply system 1 being substandard and improving the stability of the water supply system 1.

[0060] The standards for determining whether water quality is qualified can vary depending on the location of the water quality sensor 61. For example, the water in the water storage chamber 31 and the connecting channel 246 has not yet been filtered by the post-filter 23, so the strictness of judging whether it is qualified can be relatively reduced.

[0061] The water supply system 1 may also include a pump body 62, which may be installed in the filter element inlet water passage 244 of the filter device 2. The pump body 62 is used to pump water so that the water can enter the clean water channel 245 after being filtered by the pre-filter 21, the reverse osmosis filter 22, and the post-filter 23.

[0062] A temperature sensor 63 and an inlet valve 64 may also be installed in the filter element inlet water passage 244. The temperature sensor 63 is used to monitor the temperature of the water entering the filter device 2, and the inlet valve 64 can control the opening or closing of the filter element inlet water passage 244.

[0063] In a specific embodiment of this application, see [reference]. Figure 1 The water supply system 1 may also include a flushing water path 5 and a flushing valve 51. One end of the flushing water path 5 is connected to the water storage chamber 31, and the other end of the flushing water path 5 is connected to the clean water channel 245. The flushing valve 51 is connected in the flushing water path 5.

[0064] In the structure provided in this specific embodiment, a flushing water path 5 and a flushing valve 51 are also added. When the inner wall of the water storage chamber 31 of the pressure water storage component 3 is dirty, such as due to the growth of bacteria or the accumulation of scale, the flushing valve 51 can be opened to flush the water storage chamber 31 with clean water in the water inlet channel, and the flushed wastewater can be discharged through the water storage wastewater path 4 to achieve the effect of cleaning the water storage chamber 31. This can reduce the probability of contaminating the water entering the water storage chamber 31 afterward and improve the water quality of the water supply system 1.

[0065] In one specific embodiment of this application, the pressure water storage component 3 includes a vacuum water bladder, which is flexible, and the water storage cavity 31 is disposed inside the vacuum water bladder.

[0066] In the structure provided in this specific embodiment, the pressure water storage component 3 is specifically in the form of a vacuum water bladder. When the water in the vacuum water bladder is not full, there is a negative pressure in the water storage chamber 31 relative to the rear chamber 243, which can draw in water from the rear chamber 243. When the vacuum water bladder is full of water, the pressure inside the water storage chamber 31 is equal to the water pressure of the external water inlet, and the water entering the rear chamber 243 no longer enters the water storage chamber 31 through the connecting channel 246. When the external water inlet stops or the water pressure decreases, the water pressure inside the water storage chamber 31 is greater than that in the rear chamber 243, and the water stored in the vacuum water bladder can return to the rear chamber 243 under pressure and can be filtered through the rear filter element 23 to enter the purified water channel 245. The flexible vacuum water bladder has a volume that increases with the amount of water stored and a variable shape, allowing for flexible installation and adaptability to drinking water machines with different structures, thereby improving the availability and versatility of the water supply system 1.

[0067] In one specific embodiment of this application, the pressure water storage component 3 includes an air pump and an air valve. Both the air pump and the air valve are connected to the water storage chamber 31. The air pump is used to pump gas into the water storage chamber 31, and the air valve can unidirectionally flow from the water storage chamber 31 to the outside when it is opened.

[0068] In the structure provided in this specific embodiment, by setting up an air pump, gas can be pumped into the water storage chamber 31, thereby completely discharging the water in the water storage chamber 31. This fundamentally prevents the water in the water storage chamber 31 from deteriorating due to prolonged stagnation, thus affecting the water quality of the water supply system 1. This reduces the probability of the water quality of the water supply system 1 being substandard and improves the stability of the water supply system 1. When water needs to be added to the water storage chamber 31, the gas in the water storage chamber 31 can be discharged through the air valve, and the water can be used to fill the water storage chamber 31 again to achieve the water storage effect. Moreover, when the water storage chamber 31 is empty, there are no conditions for the growth of microorganisms or the entry of impurities, which is more conducive to keeping the water storage chamber 31 clean.

[0069] In a specific embodiment of this application, see [reference]. Figure 1 The water supply system 1 also includes a water storage valve 101, which is connected to the connection channel 246.

[0070] In the structure provided in this specific embodiment, when there is no water supply pressure in the water supply system 1, water can be prevented from entering the water storage chamber 31 by closing the water storage valve 101. When there is a need for water storage, the water storage valve 101 is opened to connect the connecting channel 246 for water storage. This can prevent the water in the water storage chamber 31 from deteriorating due to prolonged storage. Furthermore, when the water storage chamber 31 is empty, there are no conditions for microbial growth or the entry of impurities, which is more conducive to keeping the water storage chamber 31 clean.

[0071] In a specific embodiment of this application, see [reference]. Figure 1 The water supply system 1 may also include an outlet water path 8 and a pressure valve 81. The outlet water path 8 is located downstream of the clean water channel 245. The pressure valve 81 connects the outlet water path 8 and the clean water channel 245, and the pressure valve 81 can unidirectionally flow from the clean water channel 245 to the outlet water path 8 under pressure.

[0072] In the structure provided in this specific embodiment, by setting a pressure valve 81, the water in the water purification channel 245 can flow unidirectionally into the water outlet 8 under the water pressure of the water storage chamber 31 or the pump body 62. After the water storage chamber 31 is emptied, there may be negative pressure. The pressure valve 81 can prevent the water in the water outlet 8 from being sucked back into the water purification channel 245 or even the filter assembly by the negative pressure. While maintaining the stability of the water flow direction of the water supply system 1, it can reduce the probability of external impurities entering the filter assembly through the water in the water outlet 8, thereby improving the availability of the water supply system 1 and helping to extend the service life of the filter assembly.

[0073] To address the aforementioned technical problems, this application also provides a drinking water dispenser, see reference. Figure 1 The drinking water dispenser may include a water outlet component 9 and a water supply system 1 as described in any of the above specific embodiments. The water outlet component 9 includes a water supply path 91, which is connected to the water purification channel 245 of the water supply system 1.

[0074] In the structure provided in this specific embodiment, by setting a pressure water storage device 3 connected between the post-filter chamber 243 and the post-filter cartridge 23, the water that has been filtered by the pre-filter cartridge 21 can be stored in the water storage chamber 31. When no new water enters the post-filter chamber 243, the water in the water storage chamber 31 can enter the post-filter chamber 243 through the connecting channel 246. And because the pressure water storage device 3 gives water pressure to this part of the water, this part of the water can be filtered by the post-filter cartridge 23 and then enter the purified water channel 245 for output. The water output from the water storage chamber 31 can be treated by the post-filter cartridge 23, thereby improving the water quality of the water output from the water storage chamber 31 and effectively improving the problem of water deterioration in the water output from the water storage chamber 31.

[0075] In this application, the terms "embodiment" and "implementation" mean that a specific feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of this application. The appearance of these phrases in various locations throughout the specification does not necessarily refer to the same embodiment, nor are they independent or alternative embodiments mutually exclusive with other embodiments. Those skilled in the art will understand, explicitly and implicitly, that the embodiments described in this application can be combined with other embodiments. Furthermore, it should be understood that the features, structures, or characteristics described in the various embodiments of this application can be arbitrarily combined to form yet another embodiment that does not depart from the spirit and scope of the technical solution of this application, provided there is no contradiction between them.

[0076] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to the above preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of this application should not depart from the spirit and scope of the technical solutions of this application.

Claims

1. A water supply system, characterized in that, include: The filtration device (2) includes a pre-filter (21), a post-filter (23), and a housing assembly (24). The housing assembly (24) has a pre-cavity (241), a post-cavity (243), a filter element water inlet (244), a purified water channel (245), and a connecting channel (246). The filter element water inlet (244) is connected to the pre-cavity (241). The pre-filter (21) is located in the pre-cavity (241), and the pre-outlet water channel (241a) of the pre-filter (21) is connected to the post-cavity (243). The post-filter (23) is located in the post-cavity (243), and the post-outlet water channel (243a) of the post-filter (23) is connected to the purified water channel (245). The connecting channel (246) is connected to the post-cavity (243). The pressure water storage component (3) is provided with a water storage cavity (31), which is connected to the connecting channel (246).

2. The water supply system according to claim 1, characterized in that, The filtration device (2) further includes a reverse osmosis filter element (22), and the housing assembly (24) is also provided with a wastewater channel (247). The inlet side (22a) of the reverse osmosis filter element (22) is connected to the pre-outlet channel (241a), the outlet side (22b) of the reverse osmosis filter element (22) is connected to the post-cavity (243), and the wastewater discharge side (22c) of the reverse osmosis filter element (22) is connected to the wastewater channel (247).

3. The water supply system according to claim 2, characterized in that, The housing assembly (24) is also provided with a reverse osmosis chamber (242), which is connected to the water inlet side (22a) of the reverse osmosis filter element (22) and the pre-outlet water channel (241a).

4. The water supply system according to claim 2, characterized in that, It also includes a water storage wastewater path (4) and a water storage wastewater valve (41). One end of the water storage wastewater path (4) is connected to the water storage chamber (31), and the other end of the water storage wastewater path (4) is used to discharge wastewater. The water storage wastewater valve (41) is connected to the water storage wastewater path (4).

5. The water supply system according to claim 4, characterized in that, It also includes a water quality detection sensor (61), a wastewater channel (7), and an outlet wastewater valve (71). One end of the wastewater channel (7) is connected to the water purification channel (245), and the other end is connected to the wastewater channel (247) and / or the other end of the water storage wastewater channel (4). The water quality detection sensor (61) is installed in at least one of the water storage chamber (31), the water purification channel (245), the rear outlet water channel (243a), and the connecting channel (246). The outlet wastewater valve (71) is connected to the wastewater channel (7).

6. The water supply system according to any one of claims 1 to 5, characterized in that, It also includes a flushing water path (5) and a flushing valve (51). One end of the flushing water path (5) is connected to the water storage chamber (31) and the other end is connected to the clean water channel (245). The flushing valve (51) is connected in the flushing water path (5).

7. The water supply system according to any one of claims 1 to 5, characterized in that, The pressure water storage component (3) includes a vacuum water bladder, which is flexible, and the water storage cavity (31) is disposed inside the vacuum water bladder.

8. The water supply system according to any one of claims 1 to 5, characterized in that, The pressure water storage component (3) includes an air pump and an air valve. Both the air pump and the air valve are connected to the water storage chamber (31). The air pump is used to pump gas into the water storage chamber (31), and the air valve can unidirectionally flow from the water storage chamber (31) to the outside when it is open.

9. The water supply system according to any one of claims 1 to 5, characterized in that, It also includes a water outlet (8) and a pressure valve (81). The water outlet (8) is located downstream of the water purification channel (245). The pressure valve (81) connects the water outlet (8) and the water purification channel (245). The pressure valve (81) can unidirectionally flow from the water purification channel (245) to the water outlet (8) under pressure.

10. A drinking water dispenser, characterized in that, It includes a water outlet component (9) and a water supply system (1) as described in any one of claims 1 to 9, wherein the water outlet component (9) includes a water supply path (91) and the water supply path (91) is connected to the water purification channel (245) of the water supply system (1).

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