Waterway board and purified water dispenser

Abstract

The utility model discloses a waterway board and a purified water dispenser. The purified water dispenser comprises a water softening system, a water purifying system and a hot water system. The water path board integrates a front purification water path, a membrane purification water path and a rear purification water path so as to be communicated with a multi-stage filtering piece of the purified water dispenser. The front purification water path is used for guiding soft water output by the water softening system into the front filter element to complete front filtration so as to form front filtered water, and the membrane purification water path is used for guiding the front filtered water into the reverse osmosis filter element to complete membrane filtration so as to form membrane filtered water; the rear purification water path is used for guiding the membrane filtration water to enter the rear filter element to complete rear filtration so as to form pure water to be supplied to a user. According to the water purifying and drinking machine, the dispersedly-arranged water purifying paths in the related technology are integrated, the occupied volume of the pipeline structure is reduced, the internal structure of the equipment is simplified, a continuous and complete assembly area is formed in the water purifying and drinking machine, internal parts are allowed to form more compact space arrangement, and the overall size of the water purifying and drinking machine is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water purification, and in particular to a waterway board and a purified drinking water machine. BACKGROUND

[0002] In the related art, a drinking water device is generally integrated with soft water treatment and water quality purification functions, resulting in a complex pipeline structure and a large occupied space, and a large volume of the drinking water device, which is inconvenient for kitchen and bathroom installation. CONTENT OF THE UTILITY MODEL

[0003] Embodiments of the present application provide a waterway board and a purified drinking water machine, which can solve the problem of large volume of the whole machine caused by complex pipeline structure in the drinking water device.

[0004] In a first aspect, the embodiments of the present application provide a waterway board, which is used in a purified drinking water machine, the purified drinking water machine comprising a soft water system, a purified water system and a hot water system; the waterway board has a front purification waterway, a membrane purification waterway and a rear purification waterway; the front purification waterway is in communication with front filter cartridges of the soft water system and the purified water system respectively, and is used to guide soft water output by the soft water system to enter the front filter cartridges to complete front filtration, so as to form front filtration water; the membrane purification waterway is in communication with the front filter cartridges and a reverse osmosis filter cartridge of the purified water system respectively, and is used to guide the front filtration water to enter the reverse osmosis filter cartridge to complete membrane filtration, so as to form membrane filtration water; the rear purification waterway is in communication with the reverse osmosis filter cartridge and a rear filter cartridge of the purified water system respectively, and is used to guide the membrane filtration water to enter the rear filter cartridge to complete rear filtration, so as to form pure water.

[0005] In some embodiments, the front purification waterway comprises a first water conveying channel, the first water conveying channel comprising a soft water inlet interface and a front filtration water supply interface; the soft water inlet interface is used to communicate with the soft water system of the purified drinking water machine, and the front filtration water supply interface is used to communicate with the front filter cartridge of the purified drinking water machine, so as to guide soft water of the soft water system to enter the front filter cartridge through the first water conveying channel.

[0006] In some embodiments, the membrane purification waterway comprises a second water conveying channel, a third water conveying channel and a fourth water conveying channel; the second water conveying channel is used to communicate with the front filter cartridge and a front control valve of the purified water system respectively, so as to guide front filtration water formed by the front filter cartridge to enter the front control valve; the third water conveying channel is used to communicate with the front control valve and a booster pump of the purified water system respectively, so as to guide front filtration water flowing out of the front control valve to enter the booster pump; and the fourth water conveying channel is used to communicate with the booster pump and the reverse osmosis filter cartridge respectively, so as to guide front filtration water flowing out of the booster pump to enter the reverse osmosis filter cartridge.

[0007] In some embodiments, the second water channel, the third water channel and the fourth water channel are spaced apart; the second water channel has a front filter backwater interface for communicating with an outlet of the front filter, and has a front control valve water inlet interface for communicating with a front control valve; the third water channel includes a front control valve water outlet interface for communicating with the front control valve, and has a booster pump water inlet interface for communicating with an inlet of the booster pump; the fourth water channel has a booster pump water outlet interface for communicating with an outlet of the booster pump, and has a membrane filter water supply interface for communicating with the reverse osmosis filter.

[0008] In some embodiments, the fourth water channel further includes a raw water quality detection interface between the booster pump water outlet interface and the membrane filter water supply interface, the raw water quality detection interface being configured to communicate with a raw water quality detection member to detect a content of total dissolved solids in the front filter water flowing through the fourth water channel.

[0009] In some embodiments, the waterway board further includes a fifth water channel and a sixth water channel spaced apart; the fifth water channel has a membrane filter backwater interface for communicating with the reverse osmosis filter, and has a membrane filter control valve water inlet interface for communicating with a membrane filter control valve of the water purification system, so that the fifth water channel guides the membrane filter water formed by the reverse osmosis filter to enter the membrane filter control valve of the water purification system; the sixth water channel has a membrane filter control valve water outlet interface for communicating with the membrane filter control valve, and has a booster pump water inlet interface for communicating with the booster pump, so as to guide the membrane filter water flowing out of the membrane filter control valve to return to the booster pump, and then to the fourth water channel for repeated membrane filtration.

[0010] In some embodiments, the post-purification waterway includes a fifth water channel having a membrane filter backwater interface for communicating with the reverse osmosis filter, and having a post-filter water supply interface for communicating with the post filter, so that at least part of the membrane filter water formed by the reverse osmosis filter enters the post filter through the fifth water channel.

[0011] In some embodiments, the waterway plate further has a fifth water delivery channel and a sixth water delivery channel arranged at intervals, the fifth water delivery channel comprising a first water delivery section; wherein the membrane purification waterway further comprises the first water delivery section and the sixth water delivery channel; the first water delivery section has a membrane filtration backwater interface for communicating with the reverse osmosis filter element, and has a membrane filtration control valve water inlet interface for communicating with the membrane filtration control valve of the water purification system, so that the membrane filtration water formed by the reverse osmosis filter element is guided into the membrane filtration control valve of the water purification system through the fifth water delivery channel; the sixth water delivery channel has a membrane filtration control valve water outlet interface for communicating with the membrane filtration control valve, and has a booster pump water inlet interface for communicating with the booster pump, so that the membrane filtration water flowing out of the membrane filtration control valve is guided to return into the booster pump, and then circulates to the fourth water delivery channel for repeated membrane filtration.

[0012] In some embodiments, the waterway plate further has a fifth water delivery channel, the fifth water delivery channel comprising a second water delivery section; wherein the post-purification waterway comprises the second water delivery section, the second water delivery section having a membrane filtration backwater interface for communicating with the reverse osmosis filter element, and having a post-filter water supply interface for communicating with the post-filter element, so that at least part of the membrane filtration water formed by the reverse osmosis filter element enters the post-filter element through the fifth water delivery channel.

[0013] In some embodiments, the waterway plate further has a pure water supply waterway, the pure water supply waterway communicating with the post-filter element of the water purification system to receive the pure water output by the post-filter element.

[0014] In some embodiments, the pure water supply waterway comprises a seventh water delivery channel and an eighth water delivery channel arranged at intervals; the seventh water delivery channel respectively communicates with the post-filter element and the pure water control valve of the water purification system, so that the pure water formed by the post-filter element enters the pure water control valve through the seventh water delivery channel; the eighth water delivery channel communicates with the pure water control valve and is used to receive the pure water supplied by the pure water control valve.

[0015] In some embodiments, the eighth water delivery channel comprises at least one pure water supply interface; one of the pure water supply interfaces is used to communicate with a pure water outlet valve to supply pure water to a user; and / or, one of the pure water supply interfaces is used to communicate with a hot water module to supply pure water to the hot water module; and / or, one of the pure water supply interfaces is used to communicate with a pipeline machine to supply pure water to the pipeline machine.

[0016] In some embodiments, the eighth water channel comprises a pure water control valve outlet interface, a pure water supply interface, and a pure water quality detection interface arranged between the pure water control valve outlet interface and the pure water supply interface; the pure water control valve outlet interface is configured to communicate with the pure water control valve to receive pure water supplied by the pure water control valve; the pure water supply interface is configured to supply pure water to a pure water component; and the pure water quality detection interface is configured to communicate with a pure water quality detection component to detect the content of total dissolved solids in the pure water flowing through the eighth water channel.

[0017] In some embodiments, the membrane purification water channel further comprises a ninth water channel having a membrane filtration waste water inlet interface configured to communicate with the reverse osmosis filter core, and a membrane filtration waste water outlet interface configured to communicate with a waste water plug to guide waste water generated by the reverse osmosis filter core to the waste water plug through the ninth water channel.

[0018] In a second aspect, the embodiments of the present application further provide a water purifier, comprising a soft water system and a purified water system; the soft water system is configured to soften supplied raw water to form soft water; the purified water system comprises a filtration system and a water channel board; the filtration system comprises a pre-filter core, a reverse osmosis filter core, and a post-filter core connected in sequence; and the water channel board is configured to communicate with the soft water system and the filtration system to guide the soft water formed by the soft water system to sequentially pass through the pre-filter core, the reverse osmosis filter core, and the post-filter core to form pure water.

[0019] In some embodiments, the water channel board further comprises a pure water supply water channel configured to communicate with the post-purification water channel; and the purified water system further comprises a hot water system configured to communicate with the pure water supply water channel to receive pure water supplied by the pure water supply water channel and heat the pure water.

[0020] Based on the water channel board and the water purifier according to the embodiments of the present application, the water channel board integrates the pre-purification water channel, the membrane purification water channel, and the post-purification water channel, thereby connecting the multi-stage filter of the water purifier; the soft water formed by the soft water system sequentially passes through the pre-filter core, the reverse osmosis filter core, and the post-filter core to form pure water for a user. By integrating the purification water channels dispersed in the related art, the present application reduces the volume occupied by the pipeline structure, simplifies the internal structure of the equipment, and forms a continuous and complete assembly area in the water purifier, allowing the internal components to form a more compact spatial arrangement and reducing the overall size of the water purifier. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the accompanying drawings in the following description only only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without creative labor.

[0022] Figure 1 The exploded structural schematic diagram of the water purifier according to an embodiment of the present application;

[0023] Figure 2 The water path structural schematic diagram of the water purifier according to an embodiment of the present application;

[0024] Figure 3 The structural schematic diagram of the water path board according to an embodiment of the present application;

[0025] Figure 4 The water path structural schematic diagram of the water path board according to an embodiment of the present application;

[0026] Figure 5 The cross-sectional structural schematic diagram of the water path board according to an embodiment of the present application;

[0027] Figure 6 The cross-sectional structural schematic diagram of the water path board according to an embodiment of the present application.

[0028] Reference signs:

[0029] 001, water purifier;

[0030] 002, soft water system; 010, resin tank; 020, soft water valve;

[0031] 003, water purifying system; 0031, membrane filtration control valve; 0032, pre-control valve; 0033, pure water control valve; 0034, pure water quality detection member; 50, filtration system; 501, primary filter element; 5011, pre-filter element; 5012, post-filter element; 502, secondary filter element; 5021, waste water plug; 040, raw water quality detection member;

[0032] 60, waterway board; 610, pre-purification waterway; 601, first water conveying passage; 601A, soft water inlet interface; 601B, pre-filtered water supply interface; 620, membrane purification waterway; 602, second water conveying passage; 602A, pre-filtered backwater interface; 602B, pre-control valve water inlet interface; 603, third water conveying passage; 603A, pre-control valve water outlet interface; 603B, booster pump water inlet interface; 604, fourth water conveying passage; 604A, booster pump water outlet interface; 604B, membrane filtration water supply interface; 604C, raw water quality detection interface; 609, ninth water conveying passage; 609A, membrane filtration waste water inlet interface; 609B, membrane filtration waste water outlet interface; 630, post-purification waterway; 605, fifth water conveying passage; 6051, first water conveying section; 6052, second water conveying section; 605A, membrane filtration backwater interface; 605B, membrane filtration control valve water inlet interface; 605C, post-filtered water supply interface; 606, sixth water conveying passage; 606A, membrane filtration control valve water outlet interface; 640, pure water supply waterway; 607, seventh water conveying passage; 607A, post-filtered backwater interface; 607B, pure water control valve water inlet interface; 608, eighth water conveying passage; 608A, pure water control valve water outlet interface; 608B, pure water supply interface; 608C, pure water quality detection interface;

[0033] 70, booster pump;

[0034] 004, hot water system; 0041, water replenishment valve; 0042, hot tank;

[0035] 006, pipeline machine. DETAILED DESCRIPTION

[0036] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be used to limit the present application.

[0037] In the related art, water drinking equipment generally integrates soft water treatment and water purification functions. The inventors have found that the water drinking equipment on the market only has a primary filtration function, i.e., the raw water is subjected to soft water treatment and purification through a pre-filter, and the filtered water obtained cannot be directly drunk, and the pipe structure in the water drinking equipment is complex and occupies a large space, resulting in a large size of the water drinking equipment, which is not convenient for kitchen and bathroom installation. Based on this, the embodiments of the present application provide a waterway board and a purified water drinking machine.

[0038] Please refer to Figures 1-2A waterway plate 60 is used in a purified drinking water machine 001, the purified drinking water machine 001 comprises a soft water system 002, a purified water system 003 and a hot water system 004. The soft water system 002 is used to soften the supplied raw water to form soft water, for example, the soft water system 002 is communicated with the domestic waterway, so as to soften the tap water entering the purified drinking water machine 001 from the domestic waterway and form soft water. The purified water system 003 has a filter system 50, the filter system 50 is used to purify the soft water generated by the soft water system 002 in multiple stages, the filter system 50 comprises a primary filter element 501 and a secondary filter element 502, wherein the primary filter element 501 is integrated with a front filter element 5011 and a rear filter element 5012, the secondary filter element 502 comprises a reverse osmosis filter element, and the filter system 50 can filter the soft water to form pure water which can be directly drunk. The hot water system 004 is used to heat the pure water generated by the purified water system 003 to form hot water.

[0039] Please refer to Figures 2-3 In the embodiment of the present application, the soft water system 002, the filter system 50 of the purified water system 003 and the hot water system 004 are communicated through the waterway plate 60, the waterway plate 60 has a front purification waterway 610, a membrane purification waterway 620 and a rear purification waterway 630, so as to communicate the multiple filter elements in the filter system 50 of the purified drinking water machine 001, wherein the front purification waterway 610 is respectively communicated with the front filter element 5011 of the soft water system 002 and the purified water system 003, the front purification waterway 610 is used to guide the soft water output by the soft water system 002 to enter the front filter element 5011 to complete the front filtration, so as to form front filtration water. The membrane purification waterway 620 is respectively communicated with the front filter element 5011 and the reverse osmosis filter element of the purified water system 003, the membrane purification waterway 620 is used to guide the front filtration water to enter the reverse osmosis filter element to complete the membrane filtration, so as to form membrane filtration water. The rear purification waterway 630 is respectively communicated with the reverse osmosis filter element and the rear filter element 5012 of the purified water system 003, the rear purification waterway 630 is used to guide the membrane filtration water to enter the rear filter element 5012 to complete the rear filtration, so as to form pure water.

[0040] The present application integrates the purification waterways dispersedly arranged in the related art into one through the waterway plate 60, so as to reduce the volume occupied by the pipeline structure, simplify the internal structure of the equipment, the arrangement of the waterway plate 60 avoids that the pipeline splits the internal space of the purified drinking water machine 001, so that a continuous and complete assembly area is formed in the purified drinking water machine 001, allowing the components inside the purified drinking water machine 001 to form a more compact spatial arrangement, which helps to reduce the overall size of the purified drinking water machine 001.

[0041] In some embodiments, the waterway plate 60 has two mounting plate surfaces oppositely arranged along the thickness direction X of the waterway plate 60, wherein at least one of the mounting plate surfaces is provided with a mounting interface, and a water conveying passage is formed in the plate body between the two mounting plate surfaces. By embedding the water conveying passage, the external pipeline arrangement is reduced, the appearance of the waterway plate 60 is relatively flat, and the arrangement of other components is facilitated. The mounting interface is connected to the water conveying passage, and the mounting interface is used to mount elements outside the waterway plate 60.

[0042] Please refer to Figures 3-4 The pre-purification waterway 610 includes a first water conveying passage 601, and the first water conveying passage 601 includes a soft water inlet interface 601A and a pre-filtered water supply interface 601B. The soft water inlet interface 601A is used to communicate with the soft water system 002 of the water purifier 001 to receive soft water processed by the soft water system 002, and the pre-filtered water supply interface 601B is used to communicate with the pre-filter element 5011 of the water purifier 001 to guide the soft water of the soft water system 002 to enter the pre-filter element 5011 through the first water conveying passage 601. In a specific implementation, the soft water inlet interface 601A can communicate with the soft water outlet connection pipe of the soft water valve 020, and the pre-filtered water supply interface 601B communicates with the inlet of the pre-filter element 5011. The soft water inlet interface 601A and the pre-filtered water supply interface 601B pass through an integrated flow channel, replacing the multi-segment connection of the traditional design of the bending pipeline, thereby reducing potential leakage points.

[0043] It should be noted that the water purification system 003 further includes a pre-control valve 0032 and a booster pump 70 mounted on the waterway plate 60, wherein the pre-control valve 0032 and the booster pump 70 are arranged upstream of the reverse osmosis filter element, the pre-control valve 0032 adjusts the opening degree in real time to control the water inflow of the reverse osmosis filter element, and the booster pump 70 can increase the water inflow pressure of the reverse osmosis filter element to provide a membrane separation driving force. The pre-control valve 0032 can be an electromagnetic valve. In the embodiment of the present application, the membrane purification waterway 620 is provided with three water conveying passages, so that the pre-filtered water flows through the pre-control valve 0032, the booster pump 70 and the reverse osmosis filter element in sequence.

[0044] Please continue to refer to Figure 3The membrane purified water path 620 comprises a second water conveying channel 602, a third water conveying channel 603 and a fourth water conveying channel 604. The second water conveying channel 602 is configured to communicate with the pre-filter element 5011 and the pre-control valve 0032 of the purified water system 003 respectively, and to receive the pre-filtered water formed by the pre-filter element 5011 and convey the pre-filtered water to the pre-control valve 0032. The third water conveying channel 603 is configured to communicate with the pre-control valve 0032 and the booster pump 70 of the purified water system 003 respectively, and to guide the pre-filtered water flowing out of the pre-control valve 0032 to enter the booster pump 70. The booster pump 70 is capable of outputting high-pressure water flow, and the fourth water conveying channel 604 is configured to communicate with the booster pump 70 and the reverse osmosis filter element respectively, and to direct the high-pressure pre-filtered water flowing out of the booster pump 70 to the reverse osmosis filter element.

[0045] Further, the second water conveying channel 602, the third water conveying channel 603 and the fourth water conveying channel 604 are arranged at intervals. The second water conveying channel 602 is provided with a pre-filtered water return interface 602A and a pre-control valve water inlet interface 602B. The pre-filtered water return interface 602A is configured to communicate with the outlet of the pre-filter element 5011 and to receive the pre-filtered water formed by the pre-filter element 5011. The pre-control valve water inlet interface 602B is configured to communicate with the pre-control valve 0032 and to guide the pre-filtered water in the second water conveying channel 602 to enter the pre-control valve 0032. The third water conveying channel 603 is provided with a pre-control valve water outlet interface 603A and a booster pump water inlet interface 603B. The pre-control valve water outlet interface 603A is configured to communicate with the pre-control valve 0032 and to receive the pre-filtered water flowing out of the pre-control valve 0032. The booster pump water inlet interface 603B is configured to communicate with the inlet of the booster pump 70 to guide the pre-filtered water in the third water conveying channel 603 to enter the booster pump 70. The fourth water conveying channel 604 is provided with a booster pump water outlet interface 604A and a membrane filtration water supply interface 604B. The booster pump water outlet interface 604A is configured to communicate with the outlet of the booster pump 70 and to receive the high-pressure pre-filtered water flowing out of the booster pump 70. The membrane filtration water supply interface 604B is configured to communicate with the reverse osmosis filter element and to guide the pre-filtered water in the fourth water conveying channel 604 to enter the reverse osmosis filter element. In this way, through the above-mentioned three water conveying channels and the cooperative control of the pre-control valve 0032 and the booster pump 70, stable and high-pressure pre-filtered water is provided to the reverse osmosis filter element.

[0046] In the embodiments of the present application, the water purification system 003 further comprises a raw water quality detection member 040, which is configured to detect the water quality of the fluid flowing to the reverse osmosis filter element. Correspondingly, the fourth water delivery channel 604 further comprises a raw water quality detection interface 604C, which is arranged between the booster pump outlet interface 604A and the membrane filtration water supply interface 604B. The raw water quality detection interface 604C is configured to communicate with the raw water quality detection member 040 to detect the content of total dissolved solids in the pre-filtered water flowing through the fourth water delivery channel 604. The raw water quality detection member 040 is capable of detecting the water quality of the pre-filtered water entering the reverse osmosis filter element. In some embodiments, the purified drinking water machine 001 cooperatively controls the rotation speed of the booster pump 70 based on the detection result of the raw water quality detection member 040 and the water flow temperature in the fourth water delivery channel 604, so as to stabilize the water flow rate of the purified drinking water machine 001. Optionally, the raw water quality detection member 040 can be a TDS (Total dissolved solids) sensor, which is installed on the raw water quality detection interface 604C and arranged at an angle with the flow axis in the fourth water delivery channel 604, so as to ensure that the pre-filtered water in the fourth water delivery channel 604 fully contacts the detection surface of the TDS sensor.

[0047] In the embodiment of the present application, a circulating water path is formed in the membrane purified water path 620. Part of the membrane filtered water is re-introduced into the inlet of the booster pump 70 for secondary filtration, so as to reduce the purified water / waste water ratio, and the circulating water flow continuously flushes the membrane surface to inhibit the concentration polarization phenomenon. The membrane filtration control valve 0031 is arranged on the membrane filtration circulating water path, and the membrane filtration control valve 0031 is a one-way valve. The membrane filtration control valve 0031 unidirectionally transports part of the membrane filtered water to the inlet of the booster pump 70. The water path plate 60 further comprises a fifth water conveying channel 605 and a sixth water conveying channel 606 arranged at intervals. The fifth water conveying channel 605 comprises a first water conveying section 6051. The first water conveying section 6051, the sixth water conveying channel 606 and the fourth water conveying channel 604 jointly form the membrane filtration circulating water path. The first water conveying section 6051 has a membrane filtration backwater interface 605A and a membrane filtration control valve water inlet interface 605B. The membrane filtration backwater interface 605A is used for communication with the reverse osmosis filter element, and the membrane filtration control valve water inlet interface 605B is used for communication with the membrane filtration control valve 0031 of the purified water system 003. The first water conveying section 6051 guides the membrane filtered water formed by the reverse osmosis filter element to enter the membrane filtration control valve 0031 of the purified water system 003. The sixth water conveying channel 606 has a membrane filtration control valve water outlet interface 606A, and the sixth water conveying channel 606 is communicated with the booster pump water inlet interface 603B. The membrane filtration control valve water outlet interface 606A is used for communication with the membrane filtration control valve 0031, and the booster pump water inlet interface 603B is used for communication with the booster pump 70. The sixth water conveying channel 606 guides the membrane filtered water flowing out of the membrane filtration control valve 0031 to return to the booster pump 70, and then circulates to the fourth water conveying channel 604 for repeated membrane filtration.

[0048] In the embodiment of the present application, the membrane filtered water formed by the membrane filtration is guided to the post-filter element 5012 through the post-purified water path 630 for post-filtration. The fifth water conveying channel 605 further comprises a second water conveying section 6052, and the second water conveying section 6052 is communicated with the first water conveying section 6051. The post-purified water path 630 comprises the second water conveying section 6052 of the fifth water conveying channel 605. The second water conveying section 6052 has a membrane filtration backwater interface 605A and a post-filtration water supply interface 605C. The membrane filtration backwater interface 605A is used for communication with the outlet of the reverse osmosis filter element to receive the membrane filtered water formed by the reverse osmosis filter element. The post-filtration water supply interface 605C is used for communication with the inlet of the post-filter element 5012 to guide the membrane filtered water in the fifth water conveying channel 605 to enter the post-filter element 5012. In this way, the fifth water conveying channel 605 can guide at least part of the membrane filtered water formed by the reverse osmosis filter element to enter the post-filter element 5012.

[0049] Optionally, the membrane filtration control valve water inlet interface 605B is arranged between the membrane filtration backwater interface 605A and the post-filter water supply interface 605C, and the membrane filtration control valve water inlet interface 605B is arranged on the second water conveying section 6052, and at this time, part of the second water conveying section 6052 forms the first water conveying section 6051. In other embodiments, the membrane filtration control valve water inlet interface 605B can also be arranged outside the second water conveying section 6052, and the membrane filtration backwater interface 605A is a common interface of the first water conveying section 6051 and the second water conveying section 6052.

[0050] In the embodiment of the present application, the waterway plate 60 further has a pure water supply waterway 640, which is in communication with the post-filter element 5012 of the water purification system 003 to receive the pure water output by the post-filter element 5012. The pure water supply waterway 640 can supply pure water to other pure water components in the purified drinking water machine 001, for example, the pure water supply waterway 640 can supply pure water to the hot water system 004; the pure water supply waterway 640 can also supply pure water to pure water components outside the purified drinking water machine 001, for example, the pure water supply waterway 640 can supply water to the pipeline machine 006 or supply water to the user.

[0051] The water purification system 003 further comprises a pure water control valve 0033 mounted on the waterway plate 60 and arranged on the pure water supply waterway 640, which is used to control the pure water supply flow in the pure water supply waterway 640. Optionally, the pure water control valve 0033 can be a one-way valve. The pure water supply waterway 640 comprises a seventh water conveying channel 607 and an eighth water conveying channel 608 arranged at intervals, the seventh water conveying channel 607 is in communication with the post-filter element 5012 and the pure water control valve 0033 of the water purification system 003 respectively, and the seventh water conveying channel 607 has a post-filter backwater interface 607A and a pure water control valve water inlet interface 607B, the post-filter backwater interface 607A is used to communicate with the outlet of the post-filter element 5012, and the pure water control valve water inlet interface 607B is used to communicate with the pure water control valve 0033 to guide the pure water formed by the post-filter element 5012 to enter the pure water control valve 0033 through the seventh water conveying channel 607. The eighth water conveying channel 608 is in communication with the pure water control valve 0033 and is used to receive the pure water supplied by the pure water control valve 0033, and the eighth water conveying channel 608 has a pure water control valve water outlet interface 608A and a pure water supply interface 608B, the pure water control valve water outlet interface 608A is used to communicate with the pure water control valve 0033 to receive the pure water supplied by the pure water control valve 0033, and the pure water supply interface 608B is used to communicate with the pure water components inside or outside the purified drinking water machine 001 to supply pure water.

[0052] In some embodiments, the front filter 5011 and the rear filter 5012 in the water purifier 001 are integrated, and the front filter water supply interface 601B, the front filter water return interface 602A, the rear filter water supply interface 605C, and the rear filter water return interface 607A on the waterway board 60 are configured to connect the waterway board 60 with the front filter 5011 and the rear filter 5012.

[0053] In some embodiments, the eighth water delivery channel 608 includes at least one pure water supply interface 608B, wherein the pure water supply interface 608B can be in communication with a pure water outlet valve to supply pure water to a user. The pure water supply interface 608B can also be in communication with a hot water system 004 to supply pure water to the hot water system 004, which heats the pure water to supply hot water to the user. In a specific implementation, the hot water system 004 includes a water replenishing valve 0041 and a hot tank 0042, wherein the water replenishing valve 0041 is installed at one of the pure water supply interfaces 608B, and the water replenishing valve 0041 is capable of replenishing pure water supplied by the pure water supply interface 608B to the hot tank 0042. Alternatively, the hot tank 0042 is installed at the water replenishing valve 0041, or the hot tank 0042 is installed on the waterway board 60, and the water replenishing valve 0041 delivers pure water to the hot tank 0042 through a water delivery channel in the waterway board 60. The pure water supply interface 608B can also be in communication with a pipeline machine 006 to supply pure water to the pipeline machine 006. In a specific implementation, the at least one pure water supply interface 608B is in communication with one or more of the pure water outlet valve, the hot water system 004, and the pipeline machine 006, respectively. Alternatively, as shown in FIG. 6, the eighth water delivery channel 608 has three pure water supply interfaces 608B, which are used to communicate with the pure water outlet valve, the hot water system 004, and the pipeline machine 006, respectively. Figure 3

[0054] The water purifying system 003 further includes a pure water quality detection member 0034 for detecting the quality of fluid flowing out of the pure water supply waterway 640. Correspondingly, the eighth water delivery channel 608 further includes a pure water quality detection interface 608C, which is arranged between the pure water control valve outlet interface 608A and the pure water supply interface 608B, and is used to communicate with the pure water quality detection member 0034 to detect the content of total dissolved solids in the pure water flowing through the eighth water delivery channel 608. Alternatively, the pure water quality detection member 0034 can be a TDS (Total dissolved solids) sensor, which is installed at the pure water quality detection interface 608C and is arranged at an angle with respect to the flow axis of the eighth water delivery channel 608, so as to ensure that the pure water in the eighth water delivery channel 608 fully contacts the detection surface of the TDS sensor.

[0055] Please refer to​Figures 3-5 The membrane purification water path 620 further comprises a ninth water conveying channel 609 having a membrane filtration wastewater inlet interface 609A for communicating with the reverse osmosis filter element and a membrane filtration wastewater outlet interface 609B for communicating with the wastewater plug 5021, and the ninth water conveying channel 609 is used to guide the wastewater generated by the reverse osmosis filter element to the wastewater plug 5021.

[0056] The embodiment of the present application further provides a water purifier 001 comprising a soft water system 002 and a purified water system 003, please refer to Figures 1-2 The soft water system 002 is used to soften the supplied raw water to form soft water, wherein the raw water enters the resin tank 010 through the soft water valve 020 to form soft water, and part of the soft water can be directly supplied to the user, and the other part of the soft water enters the purified water system 003 for purification. The purified water system 003 comprises a filter system 50 and a water path board 60, the filter system 50 comprises a pre-filter element 5011, a reverse osmosis filter element and a post-filter element 5012 which are sequentially communicated, and the water path board 60 is respectively communicated with the soft water system 002 and the filter system 50. The pre-purified water path 610 in the water path board 60 guides part of the soft water formed by the soft water system 002 to enter the pre-filter element 5011 of the filter system 50, so as to filter large-particle impurities, rust, sand and the like in the soft water and form pre-filtered water. The membrane purification water path 620 in the water path board 60 guides the pre-filtered water to enter the reverse osmosis filter element of the filter system 50, so as to realize the interception of impurities such as dissolved salts, colloids and microorganisms in the pre-filtered water by the extremely small pore size of the reverse osmosis filter element and form membrane filtration water. The membrane purification water path 620 in the water path board 60 guides the membrane filtration water to enter the post-filter element 5012 of the filter system 50, so as to adsorb the residual impurities in the membrane filtration water and form pure water. In this way, the water path board 60 guides the soft water formed by the soft water system 002 to sequentially pass through the pre-filter element 5011, the reverse osmosis filter element and the post-filter element 5012 and form pure water, and the pure water can be directly supplied to the user through the pure water supply water path 640 of the water path board 60, or be supplied to the hot water system 004 of the water purifier 001 to form hot water, or be supplied to the pipeline machine 006.

[0057] In some embodiments, the water path board 60 further has a pure water supply water path 640 communicated with the post-purified water path 630, and the water purifier 001 further comprises a hot water system 004 communicated with the pure water supply water path 640, and the hot water system 004 receives the pure water supplied by the pure water supply water path 640 and heats the pure water. In this way, the water purifier 001 can supply soft water, pure water and hot water based on the demand of the user.

[0058] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the present application, it is understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationships in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present patent, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0059] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A waterway board characterized by, The waterway plate is used for a pure drinking water machine, the pure drinking water machine comprising a soft water system, a pure water system and a hot water system; the waterway plate has: A front purification waterway in communication with a front filter element of the soft water system and the pure water system respectively, the front purification waterway being used for guiding soft water output by the soft water system to enter the front filter element to complete front filtration, so as to form front filtration water; A membrane purification waterway in communication with the front filter element and a reverse osmosis filter element of the pure water system respectively, the membrane purification waterway being used for guiding the front filtration water to enter the reverse osmosis filter element to complete membrane filtration, so as to form membrane filtration water; And A rear purification waterway in communication with the reverse osmosis filter element and a rear filter element of the pure water system respectively, the rear purification waterway being used for guiding the membrane filtration water to enter the rear filter element to complete rear filtration, so as to form pure water.

2. The waterway plate according to claim 1, wherein The front purification waterway comprises a first water conveying channel, the first water conveying channel comprising a soft water inlet interface and a front filtration water supply interface; The soft water inlet interface is used for communication with the soft water system of the pure drinking water machine, and the front filtration water supply interface is used for communication with the front filter element of the pure drinking water machine, so as to guide the soft water of the soft water system to enter the front filter element through the first water conveying channel.

3. The waterpath board according to claim 1, wherein The membrane purification waterway comprises a second water conveying channel, a third water conveying channel and a fourth water conveying channel; The second water conveying channel is used for communication with the front filter element and a front control valve of the pure water system respectively, so as to guide the front filtration water formed by the front filter element to enter the front control valve; The third water conveying channel is used for communication with the front control valve and a booster pump of the pure water system respectively, so as to guide the front filtration water flowing out of the front control valve to enter the booster pump; The fourth water conveying channel is used for communication with the booster pump and the reverse osmosis filter element respectively, so as to guide the front filtration water flowing out of the booster pump to enter the reverse osmosis filter element.

4. The waterway plate according to claim 3, wherein The second water conveying channel, the third water conveying channel and the fourth water conveying channel are arranged at intervals; The second water conveying channel has a front filtration backwater interface for communication with an outlet of the front filter element, and has a front control valve water inlet interface for communication with a front control valve; The third water conveying channel comprises a front control valve water outlet interface for communication with the front control valve, and has a booster pump water inlet interface for communication with an inlet of the booster pump; The fourth water conveying channel has a booster pump water outlet interface for communication with an outlet of the booster pump, and has a membrane filtration water supply interface for communication with the reverse osmosis filter element.

5. The water route board according to claim 4, wherein The fourth water conveying channel further comprises a raw water quality detection interface arranged between the booster pump water outlet interface and the membrane filtration water supply interface, the raw water quality detection interface being used for communication with a raw water quality detection member, so as to detect the content of total dissolved solids in the front filtration water flowing through the fourth water conveying channel.

6. The water route board according to claim 3, wherein The water route plate further has a fifth water channel and a sixth water channel arranged at intervals, the fifth water channel comprises a first water feeding section; The membrane purifying water route further comprises a first water feeding section and a sixth water channel; The first water feeding section has a membrane filtering backwater interface for communicating with the reverse osmosis filter core, and a membrane filtering control valve water inlet interface for communicating with the membrane filtering control valve of the water purifying system, so that the membrane filtering water formed by the reverse osmosis filter core is guided to the membrane filtering control valve of the water purifying system; The sixth water channel has a membrane filtering control valve water outlet interface for communicating with the membrane filtering control valve, and a booster pump water inlet interface for communicating with the booster pump, so that the membrane filtering water flowing out of the membrane filtering control valve is guided to the booster pump, and then is circulated to the fourth water channel for repeated membrane filtering.

7. The waterpath board of claim 1, wherein The water route plate further has a fifth water channel, the fifth water channel comprises a second water feeding section; The post-purification water route comprises a second water feeding section, the second water feeding section has a membrane filtering backwater interface for communicating with the reverse osmosis filter core, and a post-filter water supply interface for communicating with the post-filter core, so that at least part of the membrane filtering water formed by the reverse osmosis filter core is guided to the post-filter core through the fifth water channel.

8. The waterpath board of claim 1, wherein, The water route plate further has a pure water supply water route, the pure water supply water route communicates with the post-filter core of the water purifying system, so as to receive the pure water output by the post-filter core.

9. The water route board according to claim 8, wherein, The pure water supply water route comprises a seventh water channel and an eighth water channel arranged at intervals; The seventh water channel respectively communicates with the post-filter core and a pure water control valve of the water purifying system, so that the pure water formed by the post-filter core is guided to the pure water control valve through the seventh water channel; The eighth water channel communicates with the pure water control valve and is used for receiving the pure water supplied by the pure water control valve.

10. The water route board according to claim 9, wherein The eighth water channel comprises at least one pure water supply interface; One of the pure water supply interfaces is used for communicating with a pure water outlet valve, so as to supply pure water to a user; and / or, One of the pure water supply interfaces is used for communicating with a hot water module, so as to supply pure water to the hot water module; and / or, One of the pure water supply interfaces is used for communicating with a pipeline machine, so as to supply pure water to the pipeline machine.

11. The water route board according to claim 10, wherein, The eighth water channel comprises a pure water control valve water outlet interface, a pure water supply interface, and a pure water quality detection interface arranged between the pure water control valve water outlet interface and the pure water supply interface; The pure water control valve water outlet interface is used for communicating with the pure water control valve, so as to receive the pure water supplied by the pure water control valve; The pure water supply interface is used for supplying pure water to a pure water component; The pure water quality detection interface is used for communicating with a pure water quality detection member, so as to detect the content of total dissolved solids in the pure water flowing through the eighth water channel.

12. The waterpath board of claim 1, wherein, The membrane purifying water path further comprises a ninth water delivery channel having a membrane filtration waste water inlet interface for communicating with the reverse osmosis filter element, and a membrane filtration waste water outlet interface for communicating with the waste water plug, to direct the waste water generated by the reverse osmosis filter element to the waste water plug through the ninth water delivery channel.

13. A water purifier, characterized by comprising: Comprise: a water softening system for softening supplied raw water to form soft water; and a water purifying system comprising a filter system and the water path plate of any one of claims 1-12, the filter system comprising a pre-filter element, the reverse osmosis filter element and the post-filter element in sequence, the water path plate being in communication with the water softening system and the filter system respectively, to direct the soft water formed by the water softening system to sequentially pass through the pre-filter element, the reverse osmosis filter element and the post-filter element and form pure water.

14. The water purifier of claim 13, wherein: the water path plate further has a pure water supply path in communication with the post-purification water path; the water purifying system further comprises a hot water system in communication with the pure water supply path, the hot water system receiving the pure water supplied by the pure water supply path and heating the pure water.

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