Integrated waterway board and water purifier

Abstract

The utility model discloses an integrated waterway board and a water purifier. The integrated waterway board is integrally formed and comprises a waterway board body and a plurality of waterway channels arranged on the waterway board body, and the axes of the waterway channels are all straight lines. The plurality of waterway channels comprise a tap water inlet flow channel, a front filter element water inlet flow channel, a front filter element water outlet flow channel, a water inlet electromagnetic valve water inlet flow channel, a water inlet electromagnetic valve water outlet flow channel, a booster pump water inlet flow channel, an RO membrane filter element water inlet flow channel, an RO membrane filter element concentrated water outlet flow channel, a concentrated water electromagnetic valve water inlet flow channel and a concentrated water electromagnetic valve water outlet flow channel; the concentrated water outlet flow channel, the RO membrane filter element pure water outlet flow channel, the first backflow electromagnetic valve water outlet flow channel, the rear filter element water inlet flow channel, the rear filter element water outlet flow channel, the pure water outlet flow channel, the booster pump water inlet flow channel and the first backflow electromagnetic valve water outlet flow channel are communicated with the rear filter element water inlet flow channel, and the tap water inlet flow channel is communicated with the front filter element water inlet flow channel.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to an integrated waterway plate and a water purifier. Background Art

[0002] The waterway plates of existing water purifiers are generally welded by hot plate welding, which involves hot-melting two waterway plates with waterways inside. This has a complex structure, requires high process requirements, and has a high production cost. Utility Model Content

[0003] The present invention aims to solve at least one of the problems existing in the existing related technologies to a certain extent. To this end, the present invention proposes an integrated waterway plate, which has the advantages of simple structure and good stability.

[0004] The above purpose is achieved through the following technical solutions:

[0005] An integrated waterway plate, the integrated waterway plate is integrally formed, the integrated waterway plate includes a waterway plate body and a plurality of waterway channels arranged on the waterway plate body, the axes of the plurality of waterway channels are all straight lines, the plurality of waterway channels include a tap water inlet flow channel, a pre-filter inlet flow channel, a pre-filter outlet flow channel, an inlet solenoid valve inlet flow channel, an inlet solenoid valve outlet flow channel, a booster pump inlet flow channel, an RO membrane filter inlet flow channel, an RO membrane filter concentrated water outlet flow channel, and a concentrated water solenoid valve inlet flow channel. , concentrated water solenoid valve outlet flow channel, concentrated water outlet flow channel, RO membrane filter element pure water outlet flow channel, the first reflux solenoid valve outlet flow channel, post-filter element inlet flow channel, post-filter element outlet flow channel, pure water outlet flow channel, the first reflux solenoid valve outlet flow channel is connected with the post-filter element inlet flow channel, the tap water inlet flow channel is connected with the pre-filter element inlet flow channel, the post-filter element outlet flow channel is connected with the pure water outlet flow channel, and the RO membrane filter element concentrated water outlet flow channel is connected with the concentrated water solenoid valve inlet flow channel.

[0006] Optionally, the waterway plate body is extended along the XY plane, and the RO membrane filter element water inlet channel includes a first RO membrane filter element water inlet channel and a second RO membrane filter element water inlet channel, the first RO membrane filter element water inlet channel is perpendicular to the second RO membrane filter element water inlet channel, and the first RO membrane filter element water inlet channel is extended along the XY plane, and the second RO membrane filter element water inlet channel is extended along the Z direction.

[0007] Optionally, the concentrated water outlet channel of the RO membrane filter element is perpendicular to the concentrated water solenoid valve inlet channel, and the concentrated water outlet channel of the RO membrane filter element is parallel to the first RO membrane filter element inlet channel, and the concentrated water solenoid valve inlet channel is parallel to the second RO membrane filter element inlet channel.

[0008] Optionally, the RO membrane filter element pure water outlet flow channel includes a first RO membrane filter element pure water outlet flow channel and a second RO membrane filter element pure water outlet flow channel, the first RO membrane filter element pure water outlet flow channel and the second RO membrane filter element pure water outlet flow channel are both extended along the Z direction, and the axis of the first RO membrane filter element pure water outlet flow channel and the axis of the second RO membrane filter element pure water outlet flow channel are collinear; and / or the concentrated water outlet flow channel and the concentrated water solenoid valve outlet flow channel are both extended along the XY plane, and the axis of the concentrated water outlet flow channel is collinear with the axis of the concentrated water solenoid valve outlet flow channel.

[0009] Optionally, the pre-filter outlet flow channel, the post-filter outlet flow channel, the post-filter inlet flow channel, the pre-filter inlet flow channel, the RO membrane filter concentrated water outlet flow channel, the first RO membrane filter pure water outlet flow channel and the first RO membrane filter inlet flow channel are all arranged in the middle of the waterway plate body, the concentrated water solenoid valve inlet flow channel, the concentrated water solenoid valve outlet flow channel, the water inlet solenoid valve inlet flow channel, the water inlet solenoid valve outlet flow channel, the booster pump inlet flow channel and the second RO membrane filter inlet flow channel are all arranged on the first side of the waterway plate body, the concentrated water outlet flow channel, the tap water inlet flow channel and the pure water outlet flow channel are all arranged on the second side of the waterway plate body, and the first side of the waterway plate body is arranged opposite to the second side of the waterway plate body.

[0010] Optionally, the plurality of water channels further include a return solenoid valve water inlet channel and a second return solenoid valve water outlet channel, and the second return solenoid valve water outlet channel is connected to the boost pump water inlet channel.

[0011] Optionally, the water inlet channel of the return solenoid valve and the water outlet channel of the second return solenoid valve are both extended along the XY plane.

[0012] On the other hand, the present invention provides a water purifier, including a pre-filter, an RO membrane filter, a post-filter, an inlet solenoid valve, a concentrated water solenoid valve, a reflux solenoid valve, a booster pump and the above-mentioned integrated waterway plate, the water inlet end of the pre-filter is connected to the water inlet channel of the pre-filter, the water outlet end of the pre-filter is connected to the water outlet channel of the pre-filter, the water inlet end of the RO membrane filter is connected to the water inlet channel of the RO membrane filter, the water outlet end of the RO membrane filter is connected to the pure water outlet channel of the RO membrane filter, the water inlet end of the post-filter is connected to the water inlet channel of the post-filter, and the water outlet end of the post-filter is connected to the post-filter. The filter element is connected to the water outlet flow channel, the water inlet end of the water inlet solenoid valve is connected to the water inlet flow channel of the water inlet solenoid valve, the water outlet end of the water inlet solenoid valve is connected to the water outlet flow channel of the water inlet solenoid valve, the water inlet end of the concentrated water solenoid valve is connected to the water inlet flow channel of the concentrated water solenoid valve, the water outlet end of the concentrated water solenoid valve is connected to the water outlet flow channel of the concentrated water solenoid valve, the water inlet end of the reflux solenoid valve is connected to the pure water outlet flow channel of the RO membrane filter element, the water outlet end of the reflux solenoid valve is connected to the first reflux solenoid valve outlet flow channel and the water inlet end of the booster pump, and the water outlet end of the booster pump is connected to the water inlet flow channel of the RO membrane filter element.

[0013] Optionally, it also includes a T-type quick connector, a water pipe, an L-type quick connector and a TDS meter. The outlet end of the pure water outlet channel of the RO membrane filter element is connected to the first end of the T-type quick connector, the second end of the T-type quick connector is connected to the water pipe and the L-type quick connector in sequence, the L-type quick connector is connected to the water inlet end of the reflux solenoid valve, and the TDS meter is installed at the third end of the T-type quick connector for detecting the TDS value of the water quality after filtering through the RO membrane filter element.

[0014] Compared with the prior art, the present invention has at least the following beneficial effects:

[0015] The utility model has better stability than the integrated waterway plate welded together in the prior art by forming the integrated waterway plate in one piece, and does not need to be installed separately, thereby improving installation efficiency. At the same time, multiple waterway channels are integrally formed on the waterway plate body by injection molding, so that the axes of the waterway channels are all straight lines. Compared with the curved waterway channels in the prior art, the utility model has the advantages of simple structure and rapid water flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the three-dimensional assembly diagrams of the integrated waterway plate, the water inlet solenoid valve, the concentrated water solenoid valve, the return solenoid valve T-type quick connector, the water pipe, the L-type quick connector and the TDS meter provided by the specific embodiment of the utility model;

[0017] Figure 2This is the second schematic diagram of the three-dimensional assembly of the integrated waterway plate, the water inlet solenoid valve, the concentrated water solenoid valve, the return solenoid valve T-type quick connector, the water pipe, the L-type quick connector and the TDS meter provided by the specific embodiment of the utility model;

[0018] Figure 3 yes Figure 1 Bottom view of

[0019] Figure 4 yes Figure 1 A top view of

[0020] Figure 5 This is a top view of the integrated waterway plate provided in a specific embodiment of the present utility model;

[0021] Figure 6 yes Figure 1 Rear view;

[0022] Figure 7 yes Figure 6 Cross-sectional view at the arrow AA;

[0023] Figure 8 It is a schematic diagram of water flow in a water purifier provided by a specific embodiment of the utility model.

[0024] In the picture:

[0025] 1. Concentrated water outlet; 2. Tap water inlet; 3. Pure water outlet; 4. Second RO membrane filter pure water outlet; 5. T-type quick connector; 6. TDS meter; 7. Concentrated water solenoid valve inlet; 8. Inlet solenoid valve; 9. Concentrated water solenoid valve outlet; 10. Inlet solenoid valve inlet; 11. Concentrated water solenoid valve; 12. Inlet solenoid valve outlet; 13. First return solenoid valve outlet; 14. Water pipe; 15. L-type quick connector; 16. Return solenoid valve inlet; 18. Second return solenoid valve Magnetic valve outlet; 19. Booster pump inlet; 20. Backflow solenoid valve; 21. Pre-filter outlet; 22. Post-filter outlet; 23. Post-filter inlet; 24. Pre-filter inlet; 25. RO membrane filter concentrate outlet; 26. First RO membrane filter pure water outlet; 27. First RO membrane filter inlet; 28. Second RO membrane filter inlet; 29. ​​First backflow solenoid valve outlet; 31. Second backflow solenoid valve outlet; 30. Backflow solenoid valve inlet.

[0026] 100. Waterway slab body;

[0027] 201, pre-filter element; 202, RO membrane filter element; 203, post-filter element;

[0028] 300. Booster pump. DETAILED DESCRIPTION

[0029] The following examples illustrate the present invention, but the present invention is not limited by these examples. Modifications to the specific embodiments of the present invention or equivalent replacements of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed in the present invention.

[0030] Please refer to Figure 1 The utility model provides an integrated waterway plate, which is integrally formed. The integrated waterway plate includes a waterway plate body 100 and a plurality of waterway channels arranged on the waterway plate body 100. The axes of the plurality of waterway channels are all straight lines. The plurality of waterway channels include a tap water inlet channel 2, a pre-filter inlet channel 24, a pre-filter outlet channel 21, a water inlet solenoid valve inlet channel 10, a water inlet solenoid valve outlet channel 12, a booster pump inlet channel 19, an RO membrane filter inlet channel, an RO membrane filter concentrated water outlet channel 25, a concentrated water solenoid valve outlet channel 26, a water inlet channel 17, a water inlet channel 18, a water inlet channel 19, a water inlet channel 19, a water inlet channel 19, a water inlet channel 19, a concentrated water solenoid valve outlet channel 26, a water inlet channel 19, a water inlet channel 19, a concentrated water solenoid valve outlet channel 27 ... Valve inlet channel 7, concentrated water solenoid valve outlet channel 9, concentrated water outlet channel 1, RO membrane filter element pure water outlet channel, first reflux solenoid valve outlet channel 13, post-filter element inlet channel 23, post-filter element outlet channel 22, pure water outlet channel 3, the first reflux solenoid valve outlet channel 13 is connected with the post-filter element inlet channel 23, the tap water inlet channel 2 is connected with the pre-filter element inlet channel 24, the post-filter element outlet channel 22 is connected with the pure water outlet channel 3, and the RO membrane filter element concentrated water outlet channel 25 is connected with the concentrated water solenoid valve inlet channel 7.

[0031] The present invention has better stability than the integrated waterway plate welded from two plates in the prior art by forming the integrated waterway plate in one piece, and does not require the integrated waterway plate to be installed separately, thereby improving installation efficiency. At the same time, multiple waterway channels are integrally formed in the waterway plate body 100 by injection molding, so that the axes of the waterway channels are all straight lines. Compared with the curved waterway channels in the prior art, the present invention has the advantages of simple structure and rapid water flow.

[0032] Optionally, the waterway plate body 100 is extended along the XY plane, and the RO membrane filter element water inlet channel includes a first RO membrane filter element water inlet channel 27 and a second RO membrane filter element water inlet channel 28. The first RO membrane filter element water inlet channel 27 and the second RO membrane filter element water inlet channel 28 are vertically arranged, and the first RO membrane filter element water inlet channel 27 is extended along the XY plane, and the second RO membrane filter element water inlet channel 28 is extended along the Z direction to facilitate the connection between the RO membrane filter element water inlet channel and the RO membrane filter element 202.

[0033] Optionally, the concentrated water outlet channel 25 of the RO membrane filter element is arranged vertically to the concentrated water solenoid valve inlet channel 7, and the pure water outlet channel 25 of the RO membrane filter element is arranged parallel to the first RO membrane filter element inlet channel 27, and the concentrated water solenoid valve inlet channel 7 is arranged parallel to the second RO membrane filter element inlet channel 28, so as to facilitate the connection between the concentrated water outlet channel 25 of the RO membrane filter element and the concentrated water solenoid valve inlet channel 7.

[0034] Optionally, the RO membrane filter cartridge pure water outlet flow channel includes a first RO membrane filter cartridge pure water outlet flow channel 26 and a second RO membrane filter cartridge pure water outlet flow channel 4, and the first RO membrane filter cartridge pure water outlet flow channel 26 and the second RO membrane filter cartridge pure water outlet flow channel 4 are both extended along the Z direction, and the axis of the first RO membrane filter cartridge pure water outlet flow channel 26 and the axis of the second RO membrane filter cartridge pure water outlet flow channel 4 are collinear, so as to reduce the resistance of water flowing through the first RO membrane filter cartridge pure water outlet flow channel 26 and the second RO membrane filter cartridge pure water outlet flow channel 4, thereby facilitating rapid flow of water; and / or the concentrated water outlet flow channel 1 and the concentrated water solenoid valve outlet flow channel 9 are both extended along the XY plane, and the axis of the concentrated water outlet flow channel 1 and the axis of the concentrated water solenoid valve outlet flow channel 9 are collinear, thereby reducing the resistance of water flowing through the concentrated water outlet flow channel 1 and the concentrated water solenoid valve outlet flow channel 9, thereby facilitating rapid flow of water.

[0035] Optionally, the pre-filter outlet channel 21, the post-filter outlet channel 22, the post-filter inlet channel 23, the pre-filter inlet channel 24, the RO membrane filter pure water outlet channel 25, the first RO membrane filter pure water outlet channel 26 and the first RO membrane filter inlet channel 27 are all arranged in the middle of the waterway plate body 100, the concentrated water solenoid valve inlet channel 7, the concentrated water solenoid valve outlet channel 9, the inlet solenoid valve inlet channel 10, the inlet solenoid valve outlet channel 12, the booster pump inlet channel 19 and the second RO membrane filter inlet channel 28 are all arranged on the first side of the waterway plate body 100, the concentrated water outlet channel 1, the tap water inlet channel 2 and the pure water outlet channel 3 are all arranged on the second side of the waterway plate body 100, and the first side of the waterway plate body 100 is arranged opposite to the second side of the waterway plate body 100 so as to be reasonably arranged on the waterway plate body 100.

[0036] Optionally, the multiple water channels also include a return solenoid valve inlet channel 16 and a second return solenoid valve outlet channel 18, and the second return solenoid valve outlet channel is connected to the booster pump inlet channel 19, so as to facilitate the direct installation of the return solenoid valve 20 on the waterway plate body 100.

[0037] Optionally, the plurality of water channels further include a reflux solenoid valve water inlet interface 30 , a first reflux solenoid valve water outlet interface 29 and a second reflux solenoid valve water outlet interface 31 .

[0038] Optionally, the return solenoid valve water inlet channel 16 and the second return solenoid valve water outlet channel 18 are both extended along the XY plane.

[0039] On the other hand, the present invention provides a water purifier, including a pre-filter element 201, an RO membrane filter element 202, a post-filter element 203, an inlet solenoid valve 8, a concentrated water solenoid valve 11, a reflux solenoid valve 20, a booster pump 300 and the above-mentioned integrated waterway plate, the water inlet end of the pre-filter element 201 is connected to the pre-filter element inlet flow channel 24, the water outlet end of the pre-filter element 201 is connected to the pre-filter element outlet flow channel 21, the water inlet end of the RO membrane filter element 202 is connected to the RO membrane filter element inlet flow channel, the water outlet end of the RO membrane filter element 202 is connected to the RO membrane filter element pure water outlet flow channel, the water inlet end of the post-filter element 203 is connected to the post-filter element inlet flow channel 23, and the post-filter The water outlet end of the core 203 is connected to the water outlet channel 22 of the post-filter element, the water inlet end of the water inlet solenoid valve 8 is connected to the water inlet channel 10 of the water inlet solenoid valve, the water outlet end of the water inlet solenoid valve 8 is connected to the water outlet channel 12 of the water inlet solenoid valve, the water inlet end of the concentrated water solenoid valve 11 is connected to the concentrated water solenoid valve inlet channel 7, the water outlet end of the concentrated water solenoid valve 11 is connected to the concentrated water solenoid valve outlet channel 9, the water inlet end of the reflux solenoid valve 20 is connected to the pure water outlet channel of the RO membrane filter element, the water outlet end of the reflux solenoid valve 20 is connected to the first reflux solenoid valve outlet channel 13 and the water inlet end of the booster pump 300, and the water outlet end of the booster pump 300 is connected to the water inlet channel of the RO membrane filter element.

[0040] Optionally, it also includes a T-type quick connector 5, a water pipe 14, an L-type quick connector 15 and a TDS meter 6. The outlet end of the pure water outlet channel of the RO membrane filter element is connected to the first end of the T-type quick connector 5, the second end of the T-type quick connector 5 is connected to the water pipe 14 and the L-type quick connector 15 in sequence, the L-type quick connector 15 is connected to the water inlet end of the reflux solenoid valve 20, and the TDS meter 6 is installed at the third end of the T-type quick connector 5 for detecting the TDS value of the water quality after filtering through the RO membrane filter element 202.

[0041] Specifically, when the water purifier is working, the tap water flows along Figure 8 The direction indicated by the arrow L1 in the figure flows from the tap water inlet channel 2 through the pre-filter inlet channel 24 into the pre-filter 201 for filtration, and then flows from the pre-filter outlet channel 21 through the water inlet solenoid valve inlet channel 10 into the water inlet solenoid valve 8, and then flows out from the water inlet solenoid valve outlet channel 12 to the booster pump inlet channel 19, thereby entering the booster pump 300 for boosting, and then flows out from the outlet end of the booster pump 300 to the second RO membrane filter inlet channel 28, and then flows into the RO membrane filter 202 through the first RO membrane filter inlet channel 27. After that, the concentrated water flows along the Figure 8The direction indicated by the arrow L4 in the figure flows out through the first RO membrane filter element pure water outlet flow channel 25 to the concentrated water solenoid valve inlet flow channel 7, then enters the concentrated water solenoid valve 11, and then flows out through the concentrated water solenoid valve outlet flow channel 9 to the concentrated water outlet flow channel 1, and then is introduced into the sewer through the PE pipe; the filtered pure water flows into the second RO membrane filter element pure water outlet flow channel 4, and then passes through the first RO membrane filter element pure water outlet flow channel 26, T-type quick connector 5, water pipe 14, L-type quick connector 15, reflux solenoid valve inlet flow channel 16, and the reflux solenoid valve inlet interface 30 of the reflux solenoid valve 20 to enter the reflux solenoid valve 20. When the reflux solenoid valve 20 is not energized, the pure water in the reflux solenoid valve 20 flows out from the first reflux solenoid valve outlet interface 29 of the reflux solenoid valve 20 to the first reflux solenoid valve outlet flow channel 13, and then along Figure 8 The direction indicated by the middle arrow L2 flows to the water inlet channel 23 of the post filter element, then enters the post filter element 203, and then flows to the pure water outlet channel 3 through the post filter element outlet channel 22; when the reflux solenoid valve 20 is energized, the pure water in the reflux solenoid valve 20 flows from the second reflux solenoid valve outlet interface 31 of the reflux solenoid valve 20 to the second reflux solenoid valve outlet channel 18, and then flows along the Figure 8 The direction indicated by the middle arrow L3 flows into the booster pump 300 through the booster pump water inlet channel 19, and then flows into the second RO membrane filter element water inlet channel 28 and the first RO membrane filter element water inlet channel 27 in sequence, and then flows into the RO membrane filter element 202, thereby replacing the high-concentration concentrated water in the RO membrane filter element 202 with water of lower concentration, so that the pure water has a lower TDS value when the user receives the pure water for the first time.

[0042] The above descriptions are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.

Claims

1. An integrated waterway board, characterized in that: The integrated waterway plate is integrally formed and includes a waterway plate body (100) and a plurality of waterway channels arranged on the waterway plate body (100). The axes of the plurality of waterway channels are all straight lines. The plurality of waterway channels include a tap water inlet channel (2), a pre-filter element inlet channel (24), a pre-filter element outlet channel (21), an inlet electromagnetic valve inlet channel (10), an inlet electromagnetic valve outlet channel (12), a booster pump inlet channel (19), an RO membrane filter element inlet channel, an RO membrane filter element concentrated water outlet channel (25), a concentrated water electromagnetic valve inlet channel (7), and a concentrated water electromagnetic valve outlet channel. A flow channel (9), a concentrated water outlet flow channel (1), an RO membrane filter element pure water outlet flow channel, a first reflux solenoid valve outlet flow channel (13), a post-filter element inlet flow channel (23), a post-filter element outlet flow channel (22), and a pure water outlet flow channel (3); the first reflux solenoid valve outlet flow channel (13) is connected to the post-filter element inlet flow channel (23); the tap water inlet flow channel (2) is connected to the pre-filter element inlet flow channel (24); the post-filter element outlet flow channel (22) is connected to the pure water outlet flow channel (3); and the RO membrane filter element concentrated water outlet flow channel (25) is connected to the concentrated water solenoid valve inlet flow channel (7).

2. The integrated waterway plate according to claim 1, characterized in that: The waterway plate body (100) is extended along the XY plane, and the RO membrane filter element water inlet flow channel comprises a first RO membrane filter element water inlet flow channel (27) and a second RO membrane filter element water inlet flow channel (28). The first RO membrane filter element water inlet flow channel (27) and the second RO membrane filter element water inlet flow channel (28) are arranged perpendicularly, and the first RO membrane filter element water inlet flow channel (27) is extended along the XY plane, and the second RO membrane filter element water inlet flow channel (28) is extended along the Z direction.

3. The integrated waterway plate according to claim 2, characterized in that: The RO membrane filter element concentrated water outlet flow channel (25) is arranged perpendicularly to the concentrated water solenoid valve inlet flow channel (7), and the RO membrane filter element concentrated water outlet flow channel (25) is arranged parallel to the first RO membrane filter element inlet flow channel (27), and the concentrated water solenoid valve inlet flow channel (7) is arranged parallel to the second RO membrane filter element inlet flow channel (28).

4. The integrated waterway plate according to claim 3, characterized in that: The RO membrane filter element pure water outlet flow channel comprises a first RO membrane filter element pure water outlet flow channel (26) and a second RO membrane filter element pure water outlet flow channel (4), the first RO membrane filter element pure water outlet flow channel (26) and the second RO membrane filter element pure water outlet flow channel (4) are both extended along the Z direction, and the axis of the first RO membrane filter element pure water outlet flow channel (26) and the axis of the second RO membrane filter element pure water outlet flow channel (4) are collinear; and / or the concentrated water outlet flow channel (1) and the concentrated water solenoid valve outlet flow channel (9) are both extended along the XY plane, and the axis of the concentrated water outlet flow channel (1) and the axis of the concentrated water solenoid valve outlet flow channel (9) are collinear.

5. The integrated waterway plate according to claim 4, characterized in that: The pre-filter outlet flow channel (21), the post-filter outlet flow channel (22), the post-filter inlet flow channel (23), the pre-filter inlet flow channel (24), the RO membrane filter concentrated water outlet flow channel (25), the first RO membrane filter pure water outlet flow channel (26) and the first RO membrane filter inlet flow channel (27) are all arranged in the middle of the waterway plate body (100), the concentrated water solenoid valve inlet flow channel (7), the concentrated water solenoid valve outlet flow channel (9), the water inlet solenoid valve The valve inlet flow channel (10), the water inlet solenoid valve outlet flow channel (12), the booster pump inlet flow channel (19) and the second RO membrane filter element inlet flow channel (28) are all arranged on the first side of the waterway plate body (100), the concentrated water outlet flow channel (1), the tap water inlet flow channel (2) and the pure water outlet flow channel (3) are all arranged on the second side of the waterway plate body (100), and the first side of the waterway plate body (100) and the second side of the waterway plate body (100) are arranged opposite to each other.

6. The integrated waterway plate according to any one of claims 1 to 5, characterized in that: The plurality of water channels further include a return solenoid valve water inlet channel (16) and a second return solenoid valve water outlet channel (18), wherein the second return solenoid valve water outlet channel (18) is connected to the booster pump water inlet channel (19).

7. The integrated waterway plate according to claim 6, characterized in that: The return solenoid valve water inlet channel (16) and the second return solenoid valve water outlet channel (18) are both arranged to extend along the XY plane.

8. A water purifier, characterized in that: The invention comprises a pre-filter element (201), an RO membrane filter element (202), a post-filter element (203), a water inlet solenoid valve (8), a concentrated water solenoid valve (11), a reflux solenoid valve (20), a booster pump (300) and an integrated waterway plate according to any one of claims 1 to 7, wherein the water inlet end of the pre-filter element (201) is connected to the pre-filter element water inlet flow channel (24), the water outlet end of the pre-filter element (201) is connected to the pre-filter element water outlet flow channel (21), the water inlet end of the RO membrane filter element (202) is connected to the RO membrane filter element water inlet flow channel, the water outlet end of the RO membrane filter element (202) is connected to the RO membrane filter element pure water outlet flow channel, the water inlet end of the post-filter element (203) is connected to the post-filter element water inlet flow channel (23), and the water outlet end of the post-filter element (203) is connected to the post-filter element water outlet flow channel (21). The end is connected to the water outlet flow channel (22) of the post-filter element, the water inlet end of the water inlet solenoid valve (8) is connected to the water inlet flow channel (10) of the water inlet solenoid valve, the water outlet end of the water inlet solenoid valve (8) is connected to the water inlet solenoid valve outlet flow channel (12), the water inlet end of the concentrated water solenoid valve (11) is connected to the concentrated water solenoid valve inlet flow channel (7), the water outlet end of the concentrated water solenoid valve (11) is connected to the concentrated water solenoid valve outlet flow channel (9), the water inlet end of the reflux solenoid valve (20) is connected to the pure water outlet flow channel of the RO membrane filter element, the water outlet end of the reflux solenoid valve (20) is connected to the first reflux solenoid valve outlet flow channel (13) and the water inlet end of the booster pump (300), and the water outlet end of the booster pump (300) is connected to the water inlet flow channel of the RO membrane filter element.

9. The water purifier according to claim 8, characterized in that: The invention also comprises a T-type quick connector (5), a water pipe (14), an L-type quick connector (15) and a TDS meter (6), wherein the outlet end of the pure water outlet channel of the RO membrane filter element is connected to the first end of the T-type quick connector (5), the second end of the T-type quick connector (5) is connected to the water pipe (14) and the L-type quick connector (15) in sequence, the L-type quick connector (15) is connected to the water inlet end of the reflux solenoid valve (20), and the TDS meter (6) is installed at the third end of the T-type quick connector (5) for detecting the TDS value of the water quality after filtering through the RO membrane filter element (202).

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