CN114074976A

CN114074976A - Household water purifying device and table-board water purifying machine

Info

Publication number: CN114074976A
Application number: CN202010808832.1A
Authority: CN
Inventors: 陈小平; 吕苏; 晏博; 董红晨
Original assignee: Yunmi Internet Technology Guangdong Co Ltd
Current assignee: Yunmi Internet Technology Guangdong Co Ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2022-02-22

Abstract

The application discloses a household water purifying device and a table-board water purifier, wherein the household water purifying device comprises a double-channel desalting component, a first water inlet, a second water inlet, a first water outlet and a second water outlet; the pipeline system comprises a first pipeline, a second pipeline, a third pipeline, a fourth pipeline and a fifth pipeline, wherein the first pipeline and the second pipeline are used for sending water to the double-flow-channel desalination assembly; the first water tank comprises a third water inlet and a third water outlet, the third water inlet is connected with a third pipeline, the third pipeline outputs pure water processed by the double-flow-channel desalination assembly to the first water tank, the third water outlet is connected with a fifth pipeline, and when the water quality of the water stored in the first water tank does not reach a preset index, the water stored in the first water tank is conveyed to the double-flow-channel desalination assembly through the fifth pipeline. The water in the first water tank is circularly purified for a plurality of times until the water quality corresponding to the water stored in the first water tank reaches a preset index, so that the water quality of the prepared pure water is ensured.

Description

Household water purifying device and table-board water purifying machine

Technical Field

The application relates to the technical field of household water purification, in particular to a household water purifying device and a table board water purifier.

Background

Along with the progress of society, the living standard of people is improved, and people pay more and more attention to the sanitation of self diet drinking water. At present, tap water is usually treated by a chlorination method, so that water-borne diseases can be effectively prevented, but the tap water contains salt, impurities, residual chlorine and the like, does not have conditions for direct drinking, and needs to be purified before drinking.

In the prior art, a reverse osmosis membrane is usually adopted to purify tap water, and can effectively prevent substances such as bacteria, viruses, water scales, salt ions and the like and only allow water molecules to pass through, so that the water quality of the tap water is improved. However, after a certain period of time, the effect of the reverse osmosis membrane in purifying tap water is weakened, and the quality of the prepared pure water is poor.

Disclosure of Invention

The embodiment of the application provides a domestic purifier, after carrying out the pure water that purification treatment produced with double-flow-channel desalination subassembly and carrying out the water tank, return double-flow-channel desalination subassembly and carry out circulation purification treatment once more, purify through manifold cycles to the quality of water of the pure water of guarantee preparation.

In a first aspect, an embodiment of the present application provides a domestic water purification device, domestic water purification device includes:

a dual-channel desalination assembly comprising a first water inlet, a second water inlet, a first water outlet, and a second water outlet, the first water inlet being in communication with the first water outlet, the second water inlet being in communication with the second water outlet;

the pipeline system comprises a first pipeline, a second pipeline, a third pipeline, a fourth pipeline and a fifth pipeline, the first pipeline and the second pipeline are used for sending water to the double-flow-channel desalination assembly, the third pipeline is used for outputting pure water processed by the double-flow-channel desalination assembly, and the fourth pipeline is used for outputting wastewater processed by the double-flow-channel desalination assembly;

the first water tank comprises a third water inlet and a third water outlet, the third water inlet is connected with the third pipeline, pure water output by the third pipeline is input into the first water tank through the third water inlet, the third water outlet is connected with one end of the fifth pipeline, the other end of the fifth pipeline is connected with the first pipeline, and when the water quality corresponding to the water stored in the first water tank does not reach a preset index, the water stored in the first water tank is conveyed to the double-channel desalination assembly through the fifth pipeline and the first pipeline.

Exemplarily, domestic purifier still includes first drive assembly, second drive assembly and control assembly, control assembly connects first drive assembly with the second drive assembly, pipe-line system still includes the sixth pipeline, the sixth pipeline is connected the second pipeline, first drive assembly locates on the sixth pipeline, the second drive assembly locates on the fifth pipeline, control assembly is according to the water storage situation in the first water tank, control first drive assembly and/or the operation of second drive assembly.

Illustratively, the water storage condition includes a water storage amount and a water quality, and the control component is configured to:

when the water storage amount in the first water tank is smaller than a preset water amount threshold value, controlling the first driving assembly to operate;

when the water storage capacity in the first water tank is larger than or equal to the preset water quantity threshold value and the water quality does not reach the preset index, controlling the first driving assembly and the second driving assembly to operate;

and when the water storage amount in the first water tank is greater than or equal to the preset water amount threshold and the water quality reaches the preset index, controlling the first driving assembly to stop running.

Exemplarily, the pipeline system further comprises a first direct-current valve arranged on the first pipeline, the first direct-current valve is connected with the control component, and when the water storage amount in the first water tank is greater than or equal to the preset water amount threshold value and the water quality does not reach the preset index, the control component controls the first direct-current valve to be closed.

Illustratively, the pipeline system further comprises a seventh pipeline and a second straight-through valve arranged on the seventh pipeline, one end of the seventh pipeline is connected with the sixth pipeline, the other end of the seventh pipeline is connected with the third water inlet, the second straight-through valve is connected with the control assembly, and the control assembly controls the second straight-through valve to be opened or closed according to the water storage condition in the first water tank.

The pipeline system further comprises a first waterway switching device and a second waterway switching device, wherein the first waterway switching device is connected with the first water inlet and the second water inlet, and the second waterway switching device is connected with the first water outlet and the second water outlet;

when the first waterway switching device is communicated with the first water inlet and the first pipeline in a tangential direction and is communicated with the second water inlet and the second pipeline, the second waterway switching device is communicated with the first water outlet and the third pipeline in a tangential direction and is communicated with the second water outlet and the fourth pipeline, water flowing in from the first water inlet and the second water inlet is purified by the double-channel desalination assembly, the generated pure water is discharged to the third pipeline through the first water outlet, and wastewater is discharged to the fourth pipeline through the second water outlet;

when the first water path switching device is communicated with the first water inlet and the second pipeline in a tangential manner and is communicated with the second water inlet and the first pipeline, and the second water path switching device is communicated with the first water outlet and the fourth pipeline in a tangential manner and is communicated with the second water outlet and the third pipeline, water flowing in from the first water inlet and the second water inlet is purified by the double-channel desalting component, generated pure water is discharged to the third pipeline through the second water outlet, and wastewater is discharged to the fourth pipeline through the first water outlet.

Exemplarily, the pipeline system further comprises an eighth pipeline and a third waterway switching device connected with the third water outlet;

when the water quality corresponding to the water stored in the first water tank does not reach the preset index, the third waterway switching device is tangential to the fifth pipeline;

and when the water quality corresponding to the water stored in the first water tank reaches the preset index, the third water path switching device is tangent to the eighth pipeline.

Illustratively, the water outlet direction of the eighth pipeline is connected with a plurality of water outlet pipelines, and at least one water outlet pipeline is provided with a heating unit.

Illustratively, the pipeline system further comprises a filter assembly arranged on the sixth pipeline and/or a filter assembly arranged on the third pipeline.

Exemplarily, the household water purifying device further comprises a second water tank, an outlet of the second water tank is connected with the sixth pipeline, and an inlet of the second water tank is connected with the fourth pipeline.

In a second aspect, an embodiment of the present application further provides a tabletop water purifier, where the tabletop water purifier includes the household water purifying device as described above.

The embodiment of the application discloses a household water purifying device and a table-board water purifier, the household water purifying device comprises a double-channel desalting component, a pipeline system and a first water tank, the double-channel desalting component comprises a first water inlet, a second water inlet, a first water outlet and a second water outlet, the pipeline system comprises a first pipeline, a second pipeline, a third pipeline, a fourth pipeline and a fifth pipeline, the first water tank comprises a third water inlet and a third water outlet, the third water inlet is connected with the third pipeline, the third water outlet is connected with the fifth pipeline, the first pipeline and the second pipeline are used for sending water to the double-channel desalting component, the wastewater treated by the double-channel desalting component is discharged through the fourth pipeline, pure water is conveyed into the first water tank through the third pipeline, when the water quality corresponding to the water stored in the first water tank does not reach a preset index, the water stored in the first water tank is returned into the double-channel desalting component through the fifth pipeline for purification treatment again, the water in the first water tank is subjected to multi-time circulation purification until the water quality corresponding to the water stored in the first water tank reaches a preset index, namely the requirement of safe water use of a user is met, so that the water quality of the prepared pure water is guaranteed, and the user experience is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a household water purifying device according to an embodiment of the present application;

FIG. 2 is a schematic view showing the connection relationship of the parts in the household water purifying apparatus;

FIG. 3 is a schematic view of a household water purifying apparatus according to another embodiment of the present application;

FIG. 4 is a schematic view of a household water purifying apparatus according to another embodiment of the present application;

FIG. 5 is a schematic diagram of a desalination process of an electrodialysis membrane cartridge;

FIG. 6 is a schematic diagram of the electrode reversing process of the electrodialysis membrane filter element;

FIG. 7 is a schematic view of a household water purifying apparatus according to another embodiment of the present application;

fig. 8 is a schematic structural diagram of a household water purifying device according to another embodiment of the present application.

Reference numerals: 100. a dual-channel desalination assembly; 110. a first water inlet; 120. a second water inlet; 130. a first water outlet; 140. a second water outlet; 200. a piping system; 210. a first pipeline; 220. a second pipeline; 230. a third pipeline; 240. a fourth pipeline; 250. a fifth pipeline; 260. a sixth pipeline; 270. a seventh pipeline; 280. an eighth pipeline; 211. a first direct-current valve; 271. a second straight-through valve; 300. a first water tank; 310. a third water inlet; 320. a third water outlet; 500. a second water tank;

10. a first drive assembly; 20. a second drive assembly; 30. a control component; 40. a first waterway switching device; 50. a second waterway switching device; 60. a filter assembly; 70. a power supply assembly; 80. a third waterway switching device; 41. a first three-way solenoid valve; 42. a second three-way solenoid valve; 51. a third three-way solenoid valve; 52. a fourth three-way solenoid valve;

400. an electrodialysis membrane filter element; 410. an electrode; 411. a first electrode; 412. a second electrode; 420. a cation exchange membrane; 430. an anion exchange membrane.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The flow diagrams depicted in the figures are merely illustrative and do not necessarily include all of the elements and operations/steps, nor do they necessarily have to be performed in the order depicted. For example, some operations/steps may be decomposed, combined or partially combined, so that the actual execution sequence may be changed according to the actual situation. In addition, although the division of the functional blocks is made in the device diagram, in some cases, it may be divided in blocks different from those in the device diagram.

The embodiment of the application provides a household water purifying device which can be a water purifier, such as a table-board type water purifying/drinking machine.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Fig. 1 is a schematic structural diagram of the household water purifying device in the embodiment.

Referring to fig. 1, the household water purifying apparatus includes a dual-channel desalination assembly 100, a pipeline system 200 and a first water tank 300.

As shown in fig. 1, the dual-channel desalination assembly 100 includes a first water inlet 110, a second water inlet 120, a first water outlet 130, and a second water outlet 140, wherein the first water inlet 110 is communicated with the first water outlet 130, the second water inlet 120 is communicated with the second water outlet 140, water flows into the dual-channel desalination assembly 100 from the first water inlet 110 and the second water inlet 120 for purification treatment, and treated pure water and waste water are discharged through the first water outlet 130 and the second water outlet 140, respectively.

Specifically, the pipeline system 200 includes a first pipeline 210, a second pipeline 220, a third pipeline 230, a fourth pipeline 240, and a fifth pipeline 250, where the first pipeline 210 and the second pipeline 220 are used for sending water to the dual-flow desalination assembly 100, the third pipeline 230 is used for outputting pure water processed by the dual-flow desalination assembly 100, and the fourth pipeline 240 is used for outputting wastewater processed by the dual-flow desalination assembly 1001. Illustratively, a first conduit 210 is connected to the first water inlet 110, the first conduit 210 being for sending water to the first water inlet 110 to the dual-channel desalination assembly 100. A second conduit 220 is connected to the second water inlet 120, the second conduit 220 being used to deliver water to the second water inlet 120 to the dual-channel desalination assembly 100.

The first water tank 300 comprises a third water inlet 310 and a third water outlet 320, wherein the third water inlet 310 is connected with the third pipeline 230, and pure water output by the third pipeline 230 is input into the first water tank 300 through the third water inlet 310; one end of the fifth pipeline 250 is connected to the third water outlet 320 of the first water tank 300, and the other end of the fifth pipeline 250 is connected to the first pipeline 210, so as to form a circulating water path of the dual-channel desalination assembly 100 → the third pipeline 230 → the first water tank 300 → the fifth pipeline → the first pipeline 210 → the dual-channel desalination assembly 100.

During the use of the household water purifying apparatus, the quality of the water stored in the first water tank 300 is monitored, for example, a conductivity detection component is disposed at the third water outlet 320 of the first water tank 300, and the quality of the water in the third water tank 300 can be detected through the conductivity detection component. For example, the TDS value is a water quality test indicator specifically set for purified water, and represents the total soluble solids content of water. The TDS value can reflect the water quality to a certain degree, and generally, the lower the TDS value is, the less soluble salts such as heavy metal ions in the water are, and the purer the water quality is.

For example, a preset index corresponding to the water usage meeting the user safe water usage requirement is preset, and the preset index includes, but is not limited to, a conductivity threshold. When the water quality corresponding to the water stored in the first water tank 300 reaches a preset index, for example, the conductivity data corresponding to the water stored in the first water tank 300 is smaller than the conductivity threshold, that is, the water stored in the first water tank 300 meets the safe water demand of the user, the water stored in the first water tank 300 can be directly provided to the user for use. Conversely, when the water quality corresponding to the water stored in the first water tank 300 does not reach the preset index, for example, the conductivity data corresponding to the water stored in the first water tank 300 is greater than or equal to the conductivity threshold, that is, the water stored in the first water tank 300 does not meet the safe water demand of the user, the water stored in the first water tank 300 is transported to the dual-channel desalination assembly 100 through the fifth pipeline 250 and the first pipeline 210, and is recycled back to the first water tank 300 after being purified by the dual-channel desalination assembly 100.

Carry out the pure water that purification treatment produced through carrying out double-flow-channel desalination subassembly 100 and carry to first water tank 300, when the quality of water that the water of storage corresponds in first water tank 300 does not reach preset index, return the double-flow-channel desalination subassembly with the water of storage in first water tank 300 and circulate purification treatment once more, purify through manifold cycles, until the quality of water that the water of storage corresponds in first water tank 300 reaches preset index, also reach user's safe water demand, therefore, the quality of water of the pure water of preparing has been ensured, user experience has been improved.

In some embodiments, as shown in fig. 2, the household water purifying apparatus may further include a first driving assembly 10, a second driving assembly 20, and a control assembly 30, wherein the control assembly 30 connects the first driving assembly 10 and the second driving assembly 20. Illustratively, the first drive assembly 10 and the second drive assembly 20 may comprise self-primer pumps. Illustratively, the control component 30 may include, for example, a single chip microcomputer or the like.

Illustratively, as shown in fig. 1, the pipeline system 200 further includes a sixth pipeline 260, the sixth pipeline 260 is connected to the second pipeline 220, the first driving assembly 10 is disposed on the sixth pipeline 260, the second driving assembly 20 is disposed on the fifth pipeline 250, and the control assembly 30 controls the operation of the first driving assembly 10 and/or the second driving assembly 20 according to the water storage condition in the first water tank 300. The water storage condition includes information such as the water storage amount and the water quality in the first water tank 300. For example, a liquid level meter is provided in the first water tank 300, and the water storage amount in the first water tank 300 is detected by the liquid level meter. When the first drive assembly 10 is in operation, the first drive assembly 10 drives water in the sixth line 260 to the dual flow desalination assembly 100; when the second drive assembly 20 is in operation, the second drive assembly 20 drives the water in the first tank 300 to flow to the dual-channel desalination assembly 100 via the fifth conduit 250.

In some embodiments, when the water storage amount in the first water tank 300 is less than the preset water amount threshold, the control assembly 30 controls the first driving assembly 10 to operate and the second driving assembly 20 to not operate. It is understood that the preset water amount threshold can be flexibly set according to actual conditions, and is not particularly limited. The first driving assembly 10 drives the water in the sixth pipeline 260 to flow to the dual-channel desalination assembly 100, and the water flows into the first water tank 300 after being purified by the dual-channel desalination assembly 100, so that the water is replenished into the first water tank 300.

For example, when there is no water in the first water tank 300, the control module 30 controls the first driving module 10 to operate, and the first driving module 10 drives the water in the sixth pipeline 260 to flow to the dual-channel desalination module 100, and the water flows into the first water tank 300 after being purified by the dual-channel desalination module 100, so as to replenish the water in the first water tank 300.

When the water storage capacity in the first water tank 300 is greater than or equal to the preset water threshold, that is, there is water in the first water tank 300, the water quality condition is further detected, and when the water quality does not reach the preset index, that is, the water quality does not meet the requirement of safe water use of the user, the control assembly 30 controls the first driving assembly 10 and the second driving assembly 20 to operate. The first driving assembly 10 drives the water in the sixth pipeline 260 to flow to the dual-channel desalination assembly 100, the second driving assembly 20 drives the water in the first water tank 300 to flow to the dual-channel desalination assembly 100 through the fifth pipeline 250, and after the water in the first water tank 300 is purified, the water returns to the first water tank 300 through the first water outlet 130 and the third pipeline 230, so that the water in the first water tank 300 is continuously and circularly purified until the water quality corresponding to the water in the first water tank 300 reaches a preset index.

When the water storage amount in the first water tank 300 is greater than or equal to the preset water amount threshold and the water quality reaches the preset index, that is, the water quality reaches the user safety water demand, the control component 30 controls the first driving component 10 to stop operating, that is, stops driving the water in the sixth pipeline 260 to flow to the dual-channel desalination component 100.

In some embodiments, the first pipeline 210 may be connected to the first water inlet 110/the second water inlet 120 in a switchable manner, the second pipeline 220 may be connected to the second water inlet 120/the first water inlet 110 in a switchable manner, the third pipeline 230 may be connected to the first water outlet 130/the second water outlet 140 in a switchable manner, and the fourth pipeline 240 may be connected to the second water outlet 140/the first water outlet 130 in a switchable manner, that is, the first pipeline 210 may be connected to the first water inlet 110, the second pipeline 220 may be connected to the second water inlet 120, the third pipeline 230 may be connected to the first water outlet 130, and the fourth pipeline 240 may be connected to the second water outlet 140, or the first pipeline 210 may be connected to the second water inlet 120, the second pipeline 220 may be connected to the first water inlet 110, the third pipeline 230 may be connected to the second water outlet 140, and the fourth pipeline 240 may be connected to the first water outlet 130.

Illustratively, as shown in fig. 3, the piping system 200 further includes a first waterway switch 40 and a second waterway switch 50, wherein the first waterway switch 40 is connected to the first water inlet 110 and the second water inlet 120, and the second waterway switch 50 is connected to the first water outlet 130 and the second water outlet 140. The first waterway switching device 40 may switch the communication manners of the first water inlet 110 and the second water inlet 120 with the first pipeline 210 and the second pipeline 220, and the second waterway switching device 50 may switch the communication manners of the first water outlet 130 and the second water outlet 140 with the third pipeline 230 and the fourth pipeline 240. For example, the first waterway switching device 40 may tangentially communicate the first water inlet 110 with the first pipeline 210 and communicate the second water inlet 120 with the second pipeline 220, the second waterway switching device 50 may tangentially communicate the first water outlet 130 with the third pipeline 230 and communicate the second water outlet 140 with the fourth pipeline 240, or the first waterway switching device 40 may tangentially communicate the first water inlet 110 with the second pipeline 220 and communicate the second water inlet 120 with the first pipeline 210, and the second waterway switching device 50 may tangentially communicate the first water outlet 130 with the fourth pipeline 230 and communicate the second water outlet 140 with the third pipeline 230.

For example, the first waterway switching device 40 and the second waterway switching device 50 include tangential valves, such as four-way valves, or the first waterway switching device 40 and the second waterway switching device 50 include a plurality of three-way solenoid valve sets, etc.

In some embodiments, as shown in fig. 4, the first waterway switching device 40 includes a first three-way solenoid valve 41 and a second three-way solenoid valve 42, and the second waterway switching device 50 includes a third three-way solenoid valve 51 and a fourth three-way solenoid valve 52. The first three-way solenoid valve 41 is connected to the first water inlet 110, the second three-way solenoid valve 42 is connected to the second water inlet 120, the third three-way solenoid valve 51 is connected to the first water outlet 130, and the fourth three-way solenoid valve 52 is connected to the second water outlet 140. The first three-way solenoid valve 41 may be tangent to the first pipeline 210/the second pipeline 220, the second three-way solenoid valve 42 may be tangent to the second pipeline 220/the first pipeline 210, the third three-way solenoid valve 51 may be tangent to the third pipeline 230/the fourth pipeline 240, and the fourth three-way solenoid valve 52 may be tangent to the fourth pipeline 240/the third pipeline 230, that is, the first three-way solenoid valve 41 is tangent to the first pipeline 210, the second three-way solenoid valve 42 is tangent to the second pipeline 220, the third three-way solenoid valve 51 is tangent to the third pipeline 230, and the fourth three-way solenoid valve 52 is tangent to the fourth pipeline 240, or the first three-way solenoid valve 41 is tangent to the second pipeline 220, the second three-way solenoid valve 42 is tangent to the first pipeline 210, the third three-way solenoid valve 51 is tangent to the fourth pipeline 240, and the fourth three-way solenoid valve 52 is tangent to the third pipeline 230.

When the first three-way solenoid valve 41 is tangent to the first pipeline 210, the second three-way solenoid valve 42 is tangent to the second pipeline 220, the third three-way solenoid valve 51 is tangent to the third pipeline 230, and the fourth three-way solenoid valve 52 is tangent to the fourth pipeline 240, the first water inlet 110 and the first pipeline 210, the second water inlet 120 and the second pipeline 220, the first water outlet 130 and the third pipeline 230, and the second water outlet 140 and the fourth pipeline 240 are communicated. Water input from the first pipeline 210 flows into the dual-channel desalination assembly 100 through the first water inlet 110, water input from the second pipeline 220 flows into the dual-channel desalination assembly 100 through the second water inlet 120, the dual-channel desalination assembly 100 purifies the water input from the first water inlet 110 and the second water inlet 120, the generated pure water flows into the first water tank 430 through the first water outlet 130 and the third pipeline 230, and the wastewater is discharged to the fourth pipeline 240 through the second water outlet 140.

When the first three-way solenoid valve 41 is tangent to the second pipeline 220, the second three-way solenoid valve 42 is tangent to the first pipeline 210, the third three-way solenoid valve 51 is tangent to the fourth pipeline 240, and the fourth three-way solenoid valve 52 is tangent to the third pipeline 230, the first water inlet 110 and the second pipeline 220, the second water inlet 120 and the first pipeline 210, the first water outlet 130 and the fourth pipeline 240, and the second water outlet 140 and the third pipeline 230 are communicated. The water from the first pipeline 210 flows into the dual-channel desalination assembly 100 through the second water inlet 120, the water from the second pipeline 220 flows into the dual-channel desalination assembly 100 through the first water inlet 110, the dual-channel desalination assembly 100 purifies the water from the first water inlet 110 and the second water inlet 120, the generated pure water flows into the first water tank 430 through the second water outlet 140 and the third pipeline 230, and the wastewater is discharged to the fourth pipeline 240 through the first water outlet 130.

In some embodiments, as shown in fig. 4, the conduit system 200 further includes a filter assembly 60 disposed on the sixth conduit 260, and/or a filter assembly 60 disposed on the third conduit 230.

When the filtering assembly 60 is disposed on the sixth pipeline 260, the water output from the sixth pipeline 260 is filtered by the filtering assembly 60, and then flows into the dual-channel desalination assembly 100 through the first water inlet 110 and/or the second water inlet 120, and the dual-channel desalination assembly 100 performs purification treatment on the inflow water. Because the water flowing into the dual-flow desalination assembly 100 is filtered by the filter assembly 60, the risk of fouling of the dual-flow desalination assembly 100 is reduced as compared to flowing tap water directly into the dual-flow desalination assembly 100.

When the filtering component 60 is disposed on the third pipeline 230, in the process of water purification treatment of the dual-channel desalination component 100, the water flowing into the dual-channel desalination component 100 from the first water inlet 110 and/or the second water inlet 120 is purified by the dual-channel desalination component 100, and the treated water is filtered by the filtering component 60 and then flows into the first water tank 300, so that the water quality corresponding to the water in the first water tank 300 is improved.

Illustratively, the filter assembly 60 may include a physical entrapment function filter element and/or a physical adsorption function filter element. The physical interception function filter element comprises at least one of a microfiltration membrane, an ultrafiltration membrane and a PP cotton filter element, and the filtration precision of the physical interception function filter element is between 10 nanometers and 5 micrometers, preferably between 10 nanometers and 1 micrometer. The physical adsorption functional filter element comprises at least one of activated carbon particles and activated carbon rods, and the removal rate of COD (Chemical Oxygen Demand) in water by the physical adsorption functional filter element is more than 20%, and preferably more than 50%.

Specifically, the dual-channel desalination assembly 100 includes an electrodialysis membrane filter element, which can cause directional migration of cations and anions when powered on, so as to realize water purification treatment, and may be referred to as an electrically-driven dual-channel desalination filter element.

Specifically, fig. 5 and 6 show a schematic view of a structure of an electrodialysis membrane cartridge 400.

As shown in fig. 5 and 6, the electrodialysis membrane cartridge 400 includes one or more pairs of electrodes 410, and at least one pair of electrodes 410 has a cation exchange membrane 420 and an anion exchange membrane 430 disposed therebetween, and the cation exchange membrane 420 are disposed in an opposite staggered manner. For example, in the electrodialysis membrane cartridge 400 shown in fig. 5 and 6, a plurality of cation exchange membranes 420 and a plurality of anion exchange membranes 430 are arranged between a pair of electrodes 410 in an alternating manner of cation exchange membranes 420-anion exchange membranes 430-cation exchange membranes 420. The cation exchange membrane 420 and the anion exchange membrane 430 are spaced apart, for example, such that water passes between the cation exchange membrane 420 and the anion exchange membrane 430 as it passes through the electrodialysis membrane cartridge 400.

As shown in fig. 5 and 6, the pair of electrodes 410 includes a first electrode 411 and a second electrode 412, wherein the first electrode 411 is disposed opposite the cation exchange membrane 420 adjacent to the first electrode 411, and the second electrode 412 is disposed opposite the cation exchange membrane 420 adjacent to the second electrode 412.

Fig. 5 is a schematic diagram showing the operation principle of the electrodialysis membrane cartridge 400 during the water purification treatment. The potential of the first electrode 411 is higher than that of the second electrode 412, that is, the first electrode 411 is a positive electrode, and the second electrode 412 is a negative electrode. At this time, anions in the raw water to be purified, such as Cl ", move toward the anode direction, and migrate to the flow channel between the cation exchange membrane 420 and the anion exchange membrane 430 through the anion exchange membrane 430, and cations in the raw water, such as Na +, move toward the cathode direction, and also migrate to the flow channel between the cation exchange membrane 420 and the anion exchange membrane 430 through the cation exchange membrane 420; so that the concentrations of the cations and anions in the flow channel between the cation exchange membrane 420 and the anion exchange membrane 430 are higher and higher, and the concentrations of the cations and anions in the flow channel between the anion exchange membrane 430 and the cation exchange membrane 420 are lower and lower. The water containing cations such as Na + and anions such as Cl-with low concentration can be called pure water, and the pure water flows out from a flow passage between the anion exchange membrane 430 and the cation exchange membrane 420; water containing cations such as Na + and anions such as Cl-with high concentration can be called waste water, and the waste water flows out from a flow passage between the cation exchange membrane 420 and the anion exchange membrane 430.

As shown in fig. 6, in the process of performing the reverse-polarity washing on the electrodialysis membrane cartridge 400, the first electrode 411 and the second electrode 412 are switched so that the potential of the first electrode 411 is lower than that of the second electrode 412, that is, the first electrode 411 is a negative electrode, and the second electrode 412 is a positive electrode. At this time, anions such as Cl "in the raw water move toward the anode through the anion exchange membrane 430 and migrate into the flow channel between the anion exchange membrane 430 and the cation exchange membrane 420, and cations such as Na + in the raw water move toward the cathode and also migrate into the flow channel between the anion exchange membrane 430 and the cation exchange membrane 420 through the cation exchange membrane 420. The generated pure water flows out from the flow passage between the cation exchange membrane 420 and the anion exchange membrane 430, and the wastewater flows out from the flow passage between the anion exchange membrane 430 and the cation exchange membrane 420.

Illustratively, as shown in fig. 2, the household water purifying apparatus may further include a power supply assembly 70, wherein the power supply assembly 70 is connected to the dual-channel desalination assembly 100, and applies a voltage to the dual-channel desalination assembly 100. For example, an electrodialysis membrane filter element is connected to supply power to the electrodialysis membrane filter element. Illustratively, the power supply assembly 10 may include a dc power supply.

In some embodiments, the voltage at which the power supply assembly 10 supplies power to the electrodialysis membrane filter element can be adjusted, and the salt rejection rate of the electrodialysis membrane filter element changes when the voltage supplied by the power supply assembly 10 is adjusted.

In other embodiments, the dual-flow desalination assembly 100 is removably received within the interior of a domestic water purification apparatus such that the dual-flow desalination assembly 100 can be removed from the domestic water purification apparatus for flushing when desired.

Illustratively, the control assembly 30 may include input devices, which may include, for example, buttons, knobs, touch screens, microphones, and the like.

Illustratively, when the control module 30 detects a water-out control operation through an input device, such as a user pressing a water-out button, or uttering a voice including a water-out command, the power supply module 70 is controlled to apply a voltage to the dual-channel desalination module 100, so that purified water purified by the dual-channel desalination module 100 can be output.

In some embodiments, as shown in fig. 7, the pipeline system 200 further includes a first through valve 211 disposed on the first pipeline 210, wherein the first through valve 211 is connected to the control assembly 30, and the control assembly 30 can control the on/off of the first through valve 211. For example, when the water storage amount in the first water tank 300 is less than the preset water amount threshold, the control assembly 30 controls the first direct current valve 211 to be opened, and controls the first driving assembly 10 to operate, the first driving assembly 10 drives the water in the sixth pipeline 260 to flow into the first pipeline 210 and the second pipeline 220, and flow into the dual-flow desalination assembly 100 through the first water inlet 110 and the second water inlet 120, respectively, to perform purification treatment, and the generated pure water flows into the first water tank 300 through the third pipeline 230, so as to achieve rapid water replenishment of the first water tank 300.

When the water storage amount in the first water tank 300 is greater than or equal to the preset water amount threshold and the water quality does not reach the preset index, the control component 30 controls the first direct current valve 211 to be closed, and the control component 30 controls the first driving component 10 and the second driving component 20 to operate. The first driving assembly 10 drives the water in the sixth pipeline 260 to flow into the dual-channel desalination assembly 100 only through the second pipeline 220, and the second driving assembly 20 drives the water in the first water tank 300 to flow into the dual-channel desalination assembly 100 through the fifth pipeline 250 and the first pipeline 210, so as to form two independent water paths, and the water in the first water tank 300 is circularly purified.

In some embodiments, as shown in fig. 8, the pipeline system 200 further includes a seventh pipeline 270, and a second straight-through valve 271 disposed on the seventh pipeline 270, one end of the seventh pipeline 270 is connected to the sixth pipeline 260, and the other end of the seventh pipeline 270 is connected to the third water inlet 310 of the first water tank 300. The second straight-through valve 271 is connected to the control unit 30, and the control unit 30 can control the second straight-through valve 271 to open/close according to the water storage condition in the first water tank 300. Illustratively, when the water storage amount in the first water tank 300 is less than the preset water amount threshold, the control assembly 30 controls the second straight-through valve 271 to open and controls the first driving assembly 10 to operate, the first driving assembly 10 drives the water in the sixth pipeline 260 to flow into the second pipeline 220 and the seventh pipeline 270, the water in the second pipeline 220 flows into the dual-channel desalination assembly 100 for purification, and the water in the seventh pipeline 270 flows into the first water tank 300 through the third water inlet 410, so as to realize the water replenishment of the first water tank 300.

When the water storage amount in the first water tank 300 is greater than or equal to the preset water amount threshold value and the water quality does not reach the preset index, the control assembly 30 controls the second straight-through valve 271 to close, and the control assembly 30 controls the first driving assembly 10 and the second driving assembly 20 to operate. The second driving assembly 20 drives the water in the first water tank 300 to flow into the dual-channel desalination assembly 100 through the fifth pipeline 250 and the first pipeline 210, and performs purification treatment, and the water in the first water tank 300 is continuously circulated for purification until the water quality corresponding to the water in the first water tank 300 reaches a preset index.

In some embodiments, as shown in fig. 7 and 8, the pipe system 200 further includes an eighth pipe 280, and a third waterway switching device 80 connected to the third water outlet 320 of the first water tank 300. The third waterway switching device 80 is connected to the control assembly 30, and the control assembly 30 can control the third waterway switching device 80 to be tangential to the fifth pipeline 250 or the eighth pipeline 280.

Illustratively, when the water quality corresponding to the water stored in the first water tank 300 does not reach the preset index, the control component 30 controls the third waterway switching device 80 to be tangential to the fifth pipeline 250, the water stored in the first water tank 300 is conveyed to the dual-channel desalination component 100 through the fifth pipeline 250 for purification treatment, and then is returned to the first water tank 300 through the third pipeline 230, and the water in the third water tank 300 is continuously circulated and purified, so that the water quality of the water in the third water tank 300 is improved until the water quality reaches the preset index.

When the water quality corresponding to the water stored in the first water tank 300 reaches a preset value, the control unit 30 controls the third waterway switching device 80 to be tangential to the eighth pipeline 280, and the water stored in the third water tank 300 is discharged through the eighth pipeline 280 for safe use by a user.

In some embodiments, the outlet direction of the eighth pipe 280 may be further connected to a heating unit, for example, a heat exchanger. The heating unit may heat the water flowing out of the eighth pipe 280 to provide the user with hot water of a desired temperature.

Illustratively, the outlet direction of the eighth pipe 280 is connected to a plurality of outlet pipes, and at least one outlet pipe is provided with a heating unit.

In some embodiments, a temperature detecting component may be further disposed on the eighth pipe 280, and the temperature detecting component is configured to detect a temperature of the water flowing out of the eighth pipe 280 after the water is heated.

In some embodiments, as shown in fig. 7 and 8, the household water purifying apparatus further includes a second water tank 500 capable of storing water, wherein an outlet of the second water tank 500 is connected to the sixth pipeline 260, and an inlet of the second water tank 500 is connected to the fourth pipeline 240. The wastewater treated by the dual-channel desalination assembly 100 flows into the second water tank 500 through the fourth pipeline 240 for reuse, thereby avoiding the waste of water and improving the utilization rate of water.

Illustratively, the second water tank 500 includes a transparent housing or a transparent window on the housing, so that a user can conveniently view the water quality, water level, etc. in the water tank.

For example, the second water tank 500 may further include a water filling port through which water to be purified may be added to the water tank. For example, the water filling port is connected with a tap water pipe. Illustratively, the second water tank 500 is further provided with a liquid level meter, and when the liquid level in the water tank drops to a set value, the valve of the tap water pipe can be controlled to open to add water to the water filling port of the water tank.

For example, the water stored in the second water tank 500 may flow into the dual-channel desalination assembly 100 through the sixth pipeline 260, and the inflow water is purified by the dual-channel desalination assembly 100, and the purified water is output through the third pipeline 230.

It will be appreciated that the sixth line 260 may not be connected to the outlet of the second water tank 500, but may be directly connected to a tap water pipe.

The domestic water purifying device provided by the above embodiment of the present specification comprises a double-flow-channel desalination assembly, a pipeline system and a first water tank, wherein the double-flow-channel desalination assembly comprises a first water inlet, a second water inlet, a first water outlet and a second water outlet, the pipeline system comprises a first pipeline, a second pipeline, a third pipeline, a fourth pipeline and a fifth pipeline, the first water tank comprises a third water inlet and a third water outlet, the third water inlet is connected with the third pipeline, the third water outlet is connected with the fifth pipeline, the first pipeline and the second pipeline are used for sending water to the double-flow-channel desalination assembly, the wastewater treated by the double-flow-channel desalination assembly is discharged through the fourth pipeline, pure water is conveyed into the first water tank through the third pipeline, and when the water quality corresponding to the water stored in the first water tank does not reach a preset index, the water stored in the first water tank is returned into the double-flow-channel desalination assembly through the fifth pipeline for purification treatment again, the water in the first water tank is subjected to multi-time circulation purification until the water quality corresponding to the water stored in the first water tank reaches a preset index, namely the requirement of safe water use of a user is met, so that the water quality of the prepared pure water is guaranteed, and the user experience is improved.

The embodiment of the application also provides the table-board water purifier which comprises a household water purifying device, wherein the household water purifying device can be the household water purifying device in the embodiment. The table-board water purifier can achieve the beneficial effects that any household water purifying device provided by the embodiment of the application can achieve, and the detailed description is omitted for the details in the previous embodiment.

In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the embodiments of the present invention.

Furthermore, the terms "first", "first" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "first" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In embodiments of the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the first feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, a first feature being "on," "over," and "above" a first feature includes the first feature being directly above and obliquely above the first feature, or simply means that the first feature is higher in level than the first feature. A first feature being "under," "below," and "beneath" a first feature includes the first feature being directly under and obliquely below the first feature, or simply meaning that the first feature is at a lesser elevation than the first feature.

While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A domestic water purification unit, its characterized in that, domestic water purification unit includes:

2. The household water purifying device as claimed in claim 1, further comprising a first driving assembly, a second driving assembly and a control assembly, wherein the control assembly is connected with the first driving assembly and the second driving assembly, the pipeline system further comprises a sixth pipeline, the sixth pipeline is connected with the second pipeline, the first driving assembly is arranged on the sixth pipeline, the second driving assembly is arranged on the fifth pipeline, and the control assembly controls the first driving assembly and/or the second driving assembly to operate according to the water storage condition in the first water tank.

3. The domestic water purification apparatus of claim 2, wherein said storage conditions include storage capacity and water quality, said control assembly being configured to:

4. The household water purifying device as claimed in claim 3, wherein the pipeline system further comprises a first direct-current valve disposed on the first pipeline, the first direct-current valve is connected to the control component, and when the water storage amount in the first water tank is greater than or equal to the preset water amount threshold and the water quality does not reach the preset index, the control component controls the first direct-current valve to be closed.

5. The domestic water purification apparatus of claim 2, wherein said piping system further comprises a seventh pipe and a second through valve disposed on said seventh pipe, one end of said seventh pipe is connected to said sixth pipe, the other end of said seventh pipe is connected to said third water inlet, said second through valve is connected to said control module, and said control module controls said second through valve to open or close according to said water storage condition in said first water tank.

6. The domestic water purification apparatus of claim 1, wherein said piping system further comprises a first water path switching device connected to said first water inlet and said second water inlet, and a second water path switching device connected to said first water outlet and said second water outlet;

7. The domestic water purification apparatus of claim 1, wherein said pipe system further comprises an eighth pipe, and a third waterway switching device connected to said third water outlet;

8. The domestic water purification device of claim 7, wherein the outlet direction of said eighth pipeline is connected to a plurality of outlet pipelines, and at least one of said outlet pipelines is provided with a heating unit.

9. The domestic water purification apparatus of claim 2, wherein said pipe system further comprises a filter assembly provided on said sixth pipe and/or a filter assembly provided on said third pipe.

10. The domestic water purification device of any one of claims 1 to 9, further comprising a second tank, an outlet of the second tank being connected to the sixth line and an inlet of the second tank being connected to the fourth line.

11. A table top water purifier, characterized in that it comprises a domestic water purification device according to any one of claims 1 to 10.