Pure water preparation equipment

Abstract

The utility model discloses pure water preparation equipment which comprises a water inlet pipeline, a membrane filter element, a water outlet pipeline, a first TDS detector, a second TDS detector and a pure water storage pipeline, the water inlet pipeline is communicated with a water inlet of the membrane filter element, and the water outlet pipeline is communicated with a pure water opening of the membrane filter element. The first TDS detector and the second TDS detector are arranged on the water outlet pipeline, the pure water storage pipeline is communicated with the water outlet pipeline and located between the first TDS detector and the second TDS detector, and when the first TDS detector detects that the TDS value of pure water in the water outlet pipeline is larger than a preset value, the pure water storage pipeline is communicated with the water outlet pipeline and located between the first TDS detector and the second TDS detector. And the pure water storage pipeline conveys pure water to the water outlet pipeline.

Description

Technical Field

[0001] This utility model relates to the field of water purification technology, and in particular to a pure water preparation device. 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 preparation device 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 preparation device, including an inlet pipe, a membrane filter element, an outlet pipe, a first TDS detector, a second TDS detector, and a pure water 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 and the second TDS detector are located in the outlet pipe. The pure water storage pipe is connected to the outlet pipe and is located between the first TDS detector and the second 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 pure water storage pipe delivers pure water to 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 pure 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 first branch of the water outlet pipe and the water outlet of the water storage tank.

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

[0008] Preferably, the pure water preparation equipment further includes a return pipeline, the two ends of which are connected to the second branch of the outlet pipeline and the branch of the inlet pipeline, respectively, and the second branch of the outlet pipeline is located after the second TDS detector.

[0009] Preferably, the return pipeline includes a return pipe, a pump body, and a third solenoid valve. The pump body and the third solenoid valve are located in the return pipe, and the two ends of the return pipe are respectively connected to the second branch port of the outlet pipe and the branch port of the 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] Implementing the embodiments of this utility model will have the following beneficial effects:

[0013] After adopting the above-mentioned pure water preparation equipment, 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 pure water storage pipeline will transport pure water with a lower TDS value to the pure water in the outlet pipe, thereby reducing the TDS value of the pure water and avoiding excessively high TDS in the first cup, thus solving the problem of excessively high TDS in the first cup of the water purifier in the prior art. Attached Figure Description

[0014] 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.

[0015] in:

[0016] Figure 1 This is a schematic diagram of a pure water preparation device in one embodiment.

[0017] Explanation of reference numerals in the attached figures:

[0018] Membrane filter element 1, water outlet pipe 21, first TDS detector 22, second TDS detector 23, 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, pump body 53, wastewater pipe 61, fourth solenoid valve 62. Detailed Implementation

[0019] 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.

[0020] 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.

[0021] 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.

[0022] like Figure 1 As shown in the figure, an embodiment of this utility model discloses a pure water preparation device, including an inlet pipe, a membrane filter element 1, an outlet pipe 21, a first TDS detector 22, a second TDS detector 23, and a pure water 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 in the outlet pipe 21. The pure water storage pipe is connected to the outlet pipe 21 and is located between the first TDS detector 22 and the second TDS detector 23. 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 pure water storage pipe delivers pure water to the outlet pipe 21.

[0023] 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 pure water storage pipeline will transport pure water with a lower TDS value to the pure water in the outlet pipe 21, thereby reducing the TDS value of the pure water and solving the problem of excessively high TDS in the first cup of water purifier in the prior art.

[0024] 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.

[0025] In this embodiment, the pure 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 first branch port of the outlet pipe 21 and the outlet port 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 water storage tank 42 to the outlet pipe 21.

[0026] In this embodiment, the pure water preparation equipment 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.

[0027] In this embodiment, the pure water preparation equipment further includes a return pipeline, the two ends of which are connected to the second branch port of the outlet pipe 21 and the branch port of the inlet pipe 31, respectively. The second branch port of the outlet pipe 21 is located after the second TDS detector 23. Based on the TDS value of the pure water obtained by the second TDS detector 23, the water from the outlet pipe 21 is returned to the inlet pipe 31 through the return pipeline.

[0028] In this embodiment, the return pipeline includes a return pipe 51, a pump body 53, and a third solenoid valve 52. The pump body 53 and the third solenoid valve 52 are located in the return pipe 51. Both ends of the return pipe 51 are connected to the second branch port of the outlet pipe 21 and the branch port of the inlet pipe 31, respectively. Based on the TDS value of the pure water measured by the second TDS detector 23, the third solenoid valve 52 controls the opening and closing of the return pipe 51.

[0029] Specifically, the membrane filter element 1 is an RO membrane filter element 1.

[0030] 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.

[0031] 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 preparation device, characterized in that: The device includes an inlet water pipe, a membrane filter element, an outlet water pipe, a first TDS detector, a second TDS detector, and a pure water storage pipe. The inlet water pipe is connected to the inlet of the membrane filter element, and the outlet water pipe is connected to the pure water outlet of the membrane filter element. The first TDS detector and the second TDS detector are located in the outlet water pipe. The pure water storage pipe is connected to the outlet water pipe and is located between the first TDS detector and the second TDS detector. When the first TDS detector detects that the TDS value of the pure water in the outlet water pipe is greater than a preset value, the pure water storage pipe supplies pure water to the outlet water pipe.

2. The pure water preparation equipment 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 preparation equipment as described in claim 2, characterized in that: The pure 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 the first branch of the water outlet pipe and the water outlet of the water storage tank.

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

5. The pure water preparation equipment as described in claim 3, characterized in that: The pure water preparation equipment also includes a return pipeline, the two ends of which are connected to the second branch of the outlet pipeline and the branch of the inlet pipeline, respectively. The second branch of the outlet pipeline is located after the second TDS detector.

6. The pure water preparation equipment as described in claim 5, characterized in that: The return pipeline includes a return pipe, a pump body, and a third solenoid valve. The pump body and the third solenoid valve are located in the return pipe. The two ends of the return pipe are respectively connected to the second branch of the outlet pipe and the branch of the inlet pipe.

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

8. The pure water preparation equipment 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.

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