Water purification system

By setting up a first TDS detector and a water storage pipeline in the water purifier to detect and extract the pure water in the water dispensing pipe, the problem of too high TDS in the first cup of water from the water purifier is solved, ensuring the quality of pure water.

CN223480818UActive Publication Date: 2025-10-28GUANGDONG YUEWANLAN ENVIRONMENTAL TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422949415.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-10-28
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

In existing water purifiers, there is a problem of too high TDS in the first cup after it has not produced pure water for a long time.

Method used

A first TDS detector is set in the water outlet pipe to detect the TDS value of pure water. When the value is greater than a preset value, the pure water in the water outlet pipe is extracted through the water storage pipe until the TDS value is less than or equal to the preset value, thereby preventing the TDS of the first cup from being too high.

Benefits of technology

It effectively solves the problem of too high TDS in the first cup of pure water from the water purifier, ensuring the quality of pure water.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223480818U_ABST
    Figure CN223480818U_ABST
Patent Text Reader

Abstract

The water purification system comprises a water inlet pipeline, a membrane filter element, a water outlet pipeline, a first TDS detector and a water storage pipeline, the water inlet pipeline is communicated with a water inlet of the membrane filter element, the water outlet pipeline is communicated with a pure water opening of the membrane filter element, the first TDS detector is arranged on the water outlet pipeline, and the water storage pipeline is communicated with the pure water opening of the membrane filter element. The water storage pipeline is communicated with the water outlet pipeline and located behind the first TDS detector, and when the first TDS detector detects that the TDS value of the pure water in the water outlet pipeline is larger than a preset value, the water storage pipeline extracts the pure water in the water outlet pipeline. The problem that the TDS of the first cup of the water purifying and drinking machine is too high in the prior art is solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of water purification technology, and in particular to a pure water system. Background Technology

[0002] In existing water purifiers, after a period of time without producing pure water, the TDS of the first cup of pure water may be too high. Utility Model Content

[0003] In view of this, the present invention provides a pure water system to solve the problem of excessively high TDS in the first cup of water purifiers in the prior art.

[0004] To achieve one or more of the above objectives or other objectives, this utility model proposes a pure water system, including an inlet pipe, a membrane filter, an outlet pipe, a first TDS detector, and a storage pipe. The inlet pipe is connected to the inlet of the membrane filter, and the outlet pipe is connected to the pure water outlet of the membrane filter. The first TDS detector is located in the outlet pipe, and the storage pipe is connected to the outlet pipe and located after the first TDS detector. When the first TDS detector detects that the TDS value of the pure water in the outlet pipe is greater than a preset value, the storage pipe draws pure water from the outlet pipe.

[0005] Preferably, the water inlet pipeline includes a water inlet pipe, a first solenoid valve, and a booster pump. The first solenoid valve and the booster pump are sequentially arranged in the water inlet pipe, and the water outlet of the water inlet pipe is connected to the water inlet of the membrane filter element.

[0006] Preferably, the water storage pipeline includes a water storage pipe, a water storage tank, a second solenoid valve, and a water pump. The second solenoid valve and the water pump are sequentially arranged on the water storage pipe, and the two ends of the water storage pipe are respectively connected to the branch port of the water outlet pipe and the water inlet of the water storage tank.

[0007] Preferably, the pure water system further includes a wastewater pipeline, which is connected to the wastewater outlet of the membrane filter element.

[0008] Preferably, the pure water system further includes a return pipeline, the two ends of which are connected to the outlet of the water storage tank and a branch of the water inlet pipe, respectively.

[0009] Preferably, the return pipeline includes a return pipe and a third solenoid valve, the third solenoid valve is located in the return pipe, and the two ends of the return pipe are respectively connected to the outlet of the water storage tank and the branch port of the water inlet pipe.

[0010] Preferably, the membrane filter element is an RO membrane filter element.

[0011] Preferably, the wastewater pipeline includes a wastewater pipe and a fourth solenoid valve, the wastewater pipe being connected to the wastewater outlet of the membrane filter element, and the fourth solenoid valve being located in the wastewater pipe.

[0012] Preferably, the water storage tank is equipped with a water level sensor, which is used to detect the water level in the water storage tank in order to control the opening and closing of the third solenoid valve.

[0013] Implementing the embodiments of this utility model will have the following beneficial effects:

[0014] After adopting the above-mentioned pure water system, when pure water is discharged from the membrane filter, if the first TDS detector detects that the TDS value of the pure water in the outlet pipe is greater than the preset value, the water storage pipe will draw out the pure water in the outlet pipe until the TDS value of the pure water in the outlet pipe is less than or equal to the preset value, thereby avoiding the first cup of TDS being too high and solving the problem of the first cup of TDS being too high in the existing water purifier. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] in:

[0017] Figure 1 This is a schematic diagram of a pure water system in one embodiment.

[0018] Explanation of reference numerals in the attached figures:

[0019] Membrane filter element 1, water outlet pipe 21, first TDS detector 22, water inlet pipe 31, first solenoid valve 32, booster pump 33, water storage pipe 41, water storage tank 42, second solenoid valve 43, water pump 44, return pipe 51, third solenoid valve 52, wastewater pipe 61, fourth solenoid valve 62. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0022] 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 with "first" or "second" may explicitly or implicitly include at least one of that feature.

[0023] like Figure 1 As shown in the figure, an embodiment of the present invention discloses a pure water system, including an inlet pipe, a membrane filter element 1, an outlet pipe 21, a first TDS detector 22, and a storage pipe. The inlet pipe is connected to the inlet of the membrane filter element 1, and the outlet pipe 21 is connected to the pure water outlet of the membrane filter element 1. The first TDS detector 22 is located on the outlet pipe 21. The storage pipe is connected to the outlet pipe 21 and is located after the first TDS detector 22. When the first TDS detector 22 detects that the TDS value of the pure water in the outlet pipe 21 is greater than a preset value, the storage pipe draws pure water from the outlet pipe 21.

[0024] When pure water is discharged from membrane filter 1, if the first TDS detector 22 detects that the TDS value of the pure water in the outlet pipe 21 is greater than the preset value, the water storage pipe will draw out the pure water in the outlet pipe 21 until the TDS value of the pure water in the outlet pipe 21 is less than or equal to the preset value, thereby avoiding excessively high TDS in the first cup and solving the problem of excessively high TDS in the first cup of water purifiers in the prior art.

[0025] In this embodiment, the water inlet pipeline includes an inlet pipe 31, a first solenoid valve 32, and a booster pump 33. The first solenoid valve 32 and the booster pump 33 are sequentially disposed in the inlet pipe 31, and the outlet end of the inlet pipe 31 is connected to the inlet of the membrane filter element 1. The first solenoid valve 32 controls the opening and closing of the inlet pipe 31, and the booster pump 33 delivers the raw water in the inlet pipe 31 to the membrane filter element 1.

[0026] In this embodiment, the water storage pipeline includes a water storage pipe 41, a water storage tank 42, a second solenoid valve 43, and a water pump 44. The second solenoid valve 43 and the water pump 44 are sequentially arranged on the water storage pipe 41. The two ends of the water storage pipe 41 are respectively connected to the branch port of the outlet pipe 21 and the inlet of the water storage tank 42. The second solenoid valve 43 controls the opening and closing of the water storage pipe 41, and the water pump 44 delivers pure water from the outlet pipe 21 to the water storage tank 42.

[0027] In this embodiment, the pure water system further includes a wastewater pipeline, which is connected to the wastewater outlet of the membrane filter element 1. The wastewater from the membrane filter element 1 is discharged through the wastewater pipeline.

[0028] In this embodiment, the pure water system further includes a return pipeline, the two ends of which are connected to the outlet of the water storage tank 42 and a branch of the water inlet pipe 31, respectively. Water from the water storage tank 42 is returned to the water inlet pipe 31 via the return pipeline.

[0029] In this embodiment, the return pipeline includes a return pipe 51 and a third solenoid valve 52. The third solenoid valve 52 is located on the return pipe 51, and both ends of the return pipe 51 are connected to the outlet of the water storage tank 42 and a branch of the inlet pipe 31, respectively. The third solenoid valve 52 controls the opening and closing of the return pipe 51.

[0030] Specifically, the membrane filter element 1 is an RO membrane filter element 1.

[0031] In this embodiment, the wastewater pipeline includes a wastewater pipe 61 and a fourth solenoid valve 62. The wastewater pipe 61 is connected to the wastewater outlet of the membrane filter element 1, and the fourth solenoid valve 62 is located in the wastewater pipe 61.

[0032] In this embodiment, a water level sensor is provided inside the water storage tank 42. The water level sensor is used to detect the water level inside the water storage tank 42 in order to control the opening and closing of the third solenoid valve 52.

[0033] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A pure water system, characterized in that: The device includes an inlet pipe, a membrane filter element, an outlet pipe, a first TDS detector, and a storage pipe. The inlet pipe is connected to the inlet of the membrane filter element, and the outlet pipe is connected to the pure water outlet of the membrane filter element. The first TDS detector is located in the outlet pipe, and the storage pipe is connected to the outlet pipe and located after the first TDS detector. When the first TDS detector detects that the TDS value of the pure water in the outlet pipe is greater than a preset value, the storage pipe draws pure water from the outlet pipe.

2. The pure water system as described in claim 1, characterized in that: The water inlet pipeline includes a water inlet pipe, a first solenoid valve, and a booster pump. The first solenoid valve and the booster pump are sequentially arranged in the water inlet pipe, and the water outlet of the water inlet pipe is connected to the water inlet of the membrane filter element.

3. The pure water system as described in claim 2, characterized in that: The water storage pipeline includes a water storage pipe, a water storage tank, a second solenoid valve, and a water pump. The second solenoid valve and the water pump are sequentially installed on the water storage pipe. The two ends of the water storage pipe are respectively connected to a branch of the water outlet pipe and the water inlet of the water storage tank.

4. The pure water system as described in claim 1, characterized in that: The pure water system also includes a wastewater pipeline, which is connected to the wastewater outlet of the membrane filter element.

5. The pure water system as described in claim 3, characterized in that: The pure water system also includes a return pipeline, the two ends of which are connected to the outlet of the water storage tank and a branch of the inlet pipeline, respectively.

6. The pure water system as described in claim 5, characterized in that: The return pipeline includes a return pipe and a third solenoid valve. The third solenoid valve is located in the return pipe, and the two ends of the return pipe are respectively connected to the outlet of the water storage tank and the branch port of the inlet pipe.

7. The pure water system as described in claim 1, characterized in that: The membrane filter element is an RO membrane filter element.

8. The pure water system as described in claim 4, characterized in that: The wastewater pipeline includes a wastewater pipe and a fourth solenoid valve. The wastewater pipe is connected to the wastewater outlet of the membrane filter element, and the fourth solenoid valve is located in the wastewater pipe.

9. The pure water system as described in claim 6, characterized in that: The water storage tank is equipped with a water level sensor, which is used to detect the water level in the water storage tank in order to control the opening and closing of the third solenoid valve.