CN212532577U

CN212532577U - Household water purifying device

Info

Publication number: CN212532577U
Application number: CN202020462912.1U
Authority: CN
Inventors: 陈小平; 吕苏; 晏博; 董红晨; 郝楠
Original assignee: Foshan Viomi Electrical Technology Co Ltd
Current assignee: Guangdong Lizi Technology Co Ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-02-12
Anticipated expiration: 2030-04-01

Abstract

The application relates to the technical field of domestic water purification, specifically discloses a domestic purifier, include: a single-channel desalination assembly comprising a first water inlet and a first water outlet; the pipeline system comprises a first pipeline, a second pipeline, a third pipeline, a first valve assembly, a second valve assembly, a third valve assembly, a fourth valve assembly and a salt storage assembly, when the regeneration influence factor of the single-channel desalination assembly meets a first preset condition, water conveyed by the first pipeline is guided into the single-channel desalination assembly for regeneration through the first valve assembly, the second valve assembly, the third valve assembly and the first water outlet, when the regeneration influence factor of the single-channel desalination assembly meets a second preset condition, the water passes through the first valve assembly and the salt storage assembly to obtain brine, and the brine is guided into the single-channel desalination assembly for deep regeneration through the second valve assembly, the third valve assembly and the first water outlet. The regeneration effect of the desalination assembly can be improved.

Description

Household water purifying device

Technical Field

The utility model relates to a domestic water purification technical field especially relates to a domestic 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 treated by a chlorination method generally, 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.

Among the prior art, domestic purifier often adopts the desalination filter core to purify the running water, in order to prepare the water purification that can directly drink, however, the desalination filter core is in the course of the work, can adsorb ion and impurity in the aquatic, after using a period, need regenerate the desalination filter core, at present, use the running water to regenerate the desalination filter core usually, regenerate the ion exchange ability that can resume the desalination filter core to a certain extent through the running water to the desalination filter core, nevertheless purify water along with the desalination filter core is long-time, when regenerating the desalination filter core through the running water, the ion exchange ability of unable thorough recovery desalination filter core, make the purifying effect of desalination filter core reduce, can't guarantee domestic purifier's water purification effect.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a domestic purifier, when needs regeneration single current way desalination subassembly, uses the reverse regeneration single current way desalination subassembly of running water under the different circumstances, perhaps uses the reverse degree of depth of salt water regeneration single current way desalination subassembly, can be when guaranteeing the regeneration effect of single current way desalination subassembly, reduces regeneration cost.

The application provides a domestic purifier, domestic purifier includes:

the single-channel desalination assembly comprises a first water inlet and a first water outlet, and is used for purifying water flowing in from the first water inlet to obtain purified water, and the purified water flows out from the first water outlet;

the pipeline system comprises a first pipeline and a second pipeline, wherein the first pipeline is used for supplying water to the first water inlet, and the second pipeline is used for outputting purified water flowing out of the first water outlet;

the pipeline system further comprises a third pipeline, a first valve assembly, a second valve assembly, a third valve assembly and a fourth valve assembly, wherein when the regeneration influence factor of the single-channel desalination assembly meets a first preset condition, water conveyed by the first pipeline is guided into the single-channel desalination assembly through the first valve assembly, the second valve assembly, the third valve assembly and the first water outlet so as to regenerate the single-channel desalination assembly to obtain wastewater, the wastewater flows out through the first water inlet, and the wastewater flowing out through the first water inlet is guided into the third pipeline through the fourth valve assembly;

pipeline system still includes soft water component and storage salt subassembly, wherein, works as when single channel desalination subassembly's regeneration influence factor satisfies the second and predetermines the condition, through first valve subassembly will the water of first pipeline input is leading-in soft water component softens the processing, obtains soft water, and soft water flows in store up the salt subassembly, salt class material dissolves in the storage salt subassembly is in leading-in aquatic, obtains salt solution, through second valve subassembly, third valve subassembly and first delivery port are leading-in with salt solution single channel desalination subassembly, with right single channel desalination subassembly carries out the degree of depth regeneration, obtains waste water, and waste water warp first water inlet flows out, through the fourth valve subassembly will pass through the waste water of first water inlet outflow is leading-in the third pipeline.

Illustratively, the single-channel desalination assembly comprises a physisorption desalination cartridge and/or a chemisorption desalination cartridge.

Illustratively, the chemisorptive desalination cartridge comprises at least one of an ion exchange resin cartridge, a bipolar membrane electrodeionization cartridge;

the physical adsorption desalination filter element comprises at least one of a capacitance desalination filter element and a membrane capacitance desalination filter element.

Illustratively, the salt storage assembly includes at least one of a salt storage tank and a salt storage filter element.

Illustratively, the pipe-line system still includes the soft water subassembly, the soft water subassembly connect in between first valve component and the second valve component, when the regeneration influence factor of single channel desalination subassembly satisfies first preset condition, through first valve component will the water that first pipeline carried is leading-in the soft water subassembly softens the processing, obtains the soft water, through the second valve component the third valve component with soft water is leading-in with first delivery port single channel desalination subassembly, so as to be right single channel desalination subassembly regenerates, obtains waste water, and waste water warp first water inlet flows out, and through the fourth valve component will pass through the waste water that first water inlet flows is leading-in the third pipeline.

Illustratively, the soft water module comprises at least one of an electrodialysis unit, a reverse electrodialysis unit, a capacitive desalination cartridge, a membrane capacitive desalination cartridge, a softened resin cartridge, and a nanofiltration membrane cartridge.

Illustratively, the single channel desalination assembly is configured to apply a voltage in a first direction to the single channel desalination assembly when the regeneration influencing factor of the single channel desalination assembly satisfies a first predetermined condition or a second predetermined condition, wherein the single channel desalination assembly performs a purification treatment on water flowing in from the first water inlet when the voltage in a second direction is applied to the single channel desalination assembly, and the opposite direction of the first direction is the second direction.

Illustratively, applying a voltage in a first direction to the single channel desalination assembly switches between a first voltage and a second voltage at a predetermined time interval, wherein the first voltage and the second voltage are separated by a predetermined voltage.

Illustratively, the saline flowing from the first water outlet soaks the single-channel desalination assembly to deeply regenerate the single-channel desalination assembly to obtain wastewater, the wastewater flows out through the first water inlet, and after the soaking time reaches a preset duration, the wastewater flowing out through the first water inlet is guided into the third pipeline through the fourth valve assembly.

For example, the pipeline system further includes a heating assembly located between the first water outlet and the third valve assembly, wherein the water conveyed by the first pipeline can be guided to the heating assembly through the first valve assembly, the second valve assembly and the third valve assembly, the heating assembly heats the water to obtain hot water, the hot water flows into the single-channel desalination assembly through the first water outlet, the hot water flowing from the first water outlet regenerates the single-channel desalination assembly to obtain wastewater, the wastewater flows out through the first water inlet, and the wastewater flowing out through the first water inlet is guided to the third pipeline through the fourth valve assembly.

Illustratively, brine can be directed to the heating assembly through the second and third valve assemblies, the heating assembly heating the brine to produce hot brine, the hot brine flowing into the single-channel desalination assembly through the first water outlet, the hot brine flowing from the first water outlet deeply regenerating the single-channel desalination assembly to produce wastewater, the wastewater flowing through the first water inlet being directed into the third pipeline through the fourth valve assembly.

Illustratively, the pipe system further comprises a water storage tank, wherein when the water outlet of the second pipe is open, the purified water flowing out through the first water outlet is guided to the second pipe through the third valve assembly, and when the water outlet of the second pipe is closed, the purified water flowing out through the first water outlet is guided to the water storage tank through the third valve assembly;

when the regeneration influence factor of the single-channel desalination assembly meets a first preset condition, the purified water in the water storage tank is guided to the first water outlet through the third valve assembly, the single-channel desalination assembly is regenerated through the purified water flowing into the first water outlet to obtain wastewater, the wastewater flows out through the first water inlet, and the wastewater flowing out through the first water inlet is guided to the third pipeline through the fourth valve assembly.

Illustratively, the pipeline system further comprises a pre-filter assembly positioned between the first pipeline and the first water inlet, wherein the pre-filter assembly comprises a PP cotton filter element and/or an activated carbon filter element.

Illustratively, the activated carbon filter element comprises a scale inhibition activated carbon filter element and a non-scale inhibition activated carbon filter element.

Illustratively, the regeneration impact factor includes at least one of an accumulated clean water duration of the single-channel desalination assembly and a conductivity of the clean water flowing out through the first water outlet.

For example, the water outlet direction of the second pipeline is connected with a plurality of water outlet pipelines, and at least one water outlet pipeline is provided with a heating component.

The application discloses domestic purifier includes: the single-channel desalination assembly comprises a first water inlet and a first water outlet, and is used for purifying water flowing in from the first water inlet to obtain purified water, and the purified water flows out from the first water outlet; the pipeline system comprises a first pipeline and a second pipeline, wherein the first pipeline is used for supplying water to the first water inlet, and the second pipeline is used for outputting purified water flowing out of the first water outlet; the pipeline system further comprises a third pipeline, a first valve assembly, a second valve assembly, a third valve assembly and a fourth valve assembly, wherein when the regeneration influence factor of the single-channel desalination assembly meets a first preset condition, water conveyed by the first pipeline is guided into the single-channel desalination assembly through the first valve assembly, the second valve assembly, the third valve assembly and the first water outlet so as to regenerate the single-channel desalination assembly to obtain wastewater, the wastewater flows out through the first water inlet, and the wastewater flowing out through the first water inlet is guided into the third pipeline through the fourth valve assembly; the pipeline system further comprises a soft water component and a salt storage component, wherein when the regeneration influence factor of the single-channel desalination component meets a second preset condition, water input by the first pipeline is guided into the salt storage component through the first valve component, salt substances in the salt storage component are dissolved in the guided water to obtain brine, the brine is guided into the single-channel desalination component through the second valve component, the third valve component and the first water outlet to deeply regenerate the single-channel desalination component to obtain wastewater, the wastewater flows out through the first water inlet, and the wastewater flowing out through the first water inlet is guided into the third pipeline through the fourth valve component. When the single-channel desalination component needs to be regenerated, tap water is used for reversely regenerating the single-channel desalination component under different conditions, or brine is used for reversely and deeply regenerating the single-channel desalination component, so that the regeneration cost can be reduced while the regeneration effect of the single-channel desalination component is ensured.

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 diagram of a bipolar membrane electrodeionization cartridge desalination process;

FIG. 3 is a schematic diagram of the bipolar membrane electrodeionization filter regeneration process;

FIG. 4 is a schematic diagram of an embodiment of a domestic water purification apparatus;

FIG. 5 is a schematic view showing the connection relationship of the parts in the household water purifying apparatus;

FIG. 6 is a schematic diagram of another embodiment of a domestic water purification apparatus;

fig. 7 is a schematic structural view of another embodiment of a household water purifying device.

Reference numerals: 100. a single-channel desalination assembly; 110. a first water inlet; 120. a first water outlet; 200. a piping system; 210. a first pipeline; 220. a second pipeline; 230. a third pipeline; 240. a salt storage assembly; 240. a soft water module; 10. a first valve assembly; 11. a first valve; 12. a second valve; 13. a third valve; 20. a second valve component; 21. a fourth valve; 22. a fifth valve; 23. a sixth valve; 30. a third valve assembly; 31. a seventh valve; 32. an eighth valve; 33. a ninth valve; 40. a fourth valve assembly; 41. a tenth valve; 42. an eleventh valve; 43. a twelfth valve; 260. a heating assembly; 270. a water storage tank; 300. a control component; 400. a power supply assembly; 900. a bipolar membrane electrodeionization filter element; 910. an electrode; 911. a first electrode; 912. a second electrode; 920. bipolar membrane; 921. a cation exchange membrane; 922. 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 purification apparatus includes a single-channel desalination module 100 and a pipeline system 200.

Specifically, as shown in fig. 1, the single-channel desalination assembly 100 includes a first water inlet 110 and a first water outlet 120, and the single-channel desalination assembly 100 performs a purification treatment on water flowing in from the first water inlet 110 to obtain purified water, and the purified water flows out through the first water outlet 120.

It will be appreciated that the single-channel desalination assembly 100 uses only one water inlet and one water outlet for the purification of water flowing therethrough, and thus may be referred to as a single-channel desalination assembly.

In some embodiments, the single channel desalination assembly 100 can, of course, also include other water inlets and/or outlets. For example, when the single-channel desalination assembly 100 is flushed and regenerated, the generated wastewater can be discharged through the water outlet. When the single-channel desalination assembly 100 is purifying water flowing through, the water inlets and/or outlets other than the first water inlet 110 and the first water outlet 120 can be closed, thereby forming a single-channel structure.

The single channel desalination module 100 may not discharge wastewater when purifying water flowing therethrough. Through adopting the desalination subassembly of single current way to carry out the water purification, the water that gets into single current way desalination subassembly 100 can be followed the delivery port and discharged, obtains purification treatment simultaneously, does not produce waste water in this process, has improved the utilization ratio of water.

In some embodiments, the single-channel desalination assembly 100 comprises a physisorption desalination cartridge and/or a chemisorption desalination cartridge.

Illustratively, the chemisorptive desalination cartridge can include at least one of an ion exchange (IX) resin cartridge, a bipolar membrane (Biopolar, BP) electrodeionization cartridge.

Illustratively, the physisorption desalination filter element may include at least one of a Capacitive Desalination (CDI) filter element, a Membrane Capacitive Desalination (MCDI) filter element.

Specifically, the capacitive desalination filter element, the membrane capacitive desalination filter element, the bipolar membrane electrodeionization filter element and the like can cause the directional migration of cations and anions when being electrified so as to realize the purification treatment of water, and the filter elements can be called as electrically driven desalination filter elements.

Specifically, as shown in fig. 2 and 3, a schematic diagram of a structure of a bipolar membrane electrodeionization filter cartridge 900 is shown.

As shown in fig. 2 and 3, the bipolar membrane electrodeionization filter cartridge 900 includes one or more pairs of electrodes 910, and at least one bipolar membrane 920 or a plurality of spaced-apart bipolar membranes 920 is disposed between at least one pair of electrodes 910. Wherein, bipolar membrane 920 includes cation exchange membrane 921 and anion exchange membrane 922, and cation exchange membrane 921 and anion exchange membrane 922 set up relatively, compound together. For example, the bipolar membrane 920 can be produced by a hot press molding method, a bonding molding method, a casting molding method, an anion and cation exchange radical method, an electrodeposition molding method, or the like. Specifically, there is no space between the cation exchange membrane 921 and the anion exchange membrane 922 on one bipolar membrane 920, for example, water does not pass between the cation exchange membrane 921 and the anion exchange membrane 922 on the same bipolar membrane 920 when flowing through the bipolar membrane electrodeionization filter cartridge 900.

As shown in fig. 2 and 3, the electrodes 910 include a first electrode 911 and a second electrode 912, wherein the first electrode 911 is disposed opposite to a cation exchange membrane 921 of the bipolar membrane 920 adjacent to the first electrode 911, and the second electrode 912 is disposed opposite to an anion exchange membrane 922 of the bipolar membrane 920 adjacent to the second electrode 912.

Fig. 2 is a schematic diagram showing the operation principle of the bipolar membrane electrodeionization filter element 900 in the process of purifying water. Here, the potential of the first electrode 911 is higher than that of the second electrode 912, that is, a voltage in a forward direction is applied between the first electrode 911 and the second electrode 912. At this time, anions such as chloride ions in the raw water to be purified move towards the first electrode 911, and replace OH < - > in the anion exchange membrane 922 in the direction of the first electrode 911, and the OH < - > enters the flow channel between the adjacent bipolar membranes 920; meanwhile, cations such as Na + in the raw water move towards the second electrode 912 to replace H + in the cation exchange membrane 921 in the direction of the second electrode 912, and the H + enters the flow channel; h + and OH-are subjected to neutralization reaction in the flow channel to generate water, so that the salt in the raw water is removed, and purified pure water flows out from the tail end of the flow channel.

As shown in fig. 3, when a voltage in the opposite direction is applied between the first electrode 911 and the second electrode 912, so that the potential of the first electrode 911 is lower than that of the second electrode 912, OH "and H + ions are generated on the surfaces of the cation exchange membrane 921 and the anion exchange membrane 922 of the bipolar membrane 920 under the action of an electric field, cations such as Na + inside the cation exchange membrane 921 are replaced by H + ions and move toward the first electrode 911 at a low potential, anions such as chloride ions in the anion exchange membrane 922 are replaced by OH" and move toward the second electrode 912 at a high potential, and the cations such as Na + and the anions such as chloride ions enter the flow channel and can be washed out by water flowing through the bipolar membrane electrodeionization filter 900. Therefore, when the power is off or reverse voltage is applied to the desalting filter cores such as the bipolar membrane electrodeionization filter core 900 and the like, cations such as Na < + > and the like and anions such as chloride ions and the like adsorbed on the bipolar membrane 920 can be released, so that salt substances of the bipolar membrane electrodeionization filter core can be washed out by water, and regeneration is realized; water carrying cations such as Na + and anions such as chloride ions can be called concentrated water.

Specifically, as shown in fig. 1, the pipe system 200 includes a first pipe 210 and a second pipe 220, wherein the first pipe 210 is used for supplying water to the first water inlet 110, and the second pipe 220 is used for outputting purified water flowing out through the first water outlet 120.

In some embodiments, the pipe system 200 includes a pre-filter assembly located between the first pipe 210 and the first water inlet 110. The pre-filter assembly performs a certain purification treatment on the water entering the desalination assembly 100, for example, removing substances which may contain particle impurities, residual chlorine and the like in the water, reducing the workload and consumption of the desalination assembly 100, and prolonging the regeneration period and the service life of the desalination assembly.

Illustratively, the pre-filter assembly includes a PP cotton filter element and/or an activated carbon filter element.

Illustratively, the activated carbon filter element comprises a scale inhibition activated carbon filter element and a non-scale inhibition activated carbon filter element, the scale inhibition activated carbon filter element comprises a scale inhibitor and activated carbon, the non-scale inhibition activated carbon filter element only comprises activated carbon, the scale inhibitor on the scale inhibition activated carbon filter element can prevent water from scaling, so that a subsequent electrically-driven double-channel desalination assembly can purify water, and the service life of the electrically-driven double-channel desalination assembly can be prolonged.

In some embodiments, the piping system 200 includes a post-filter assembly disposed at the outlet of the second pipe 220, the post-filter assembly including a microfiltration cartridge and/or an activated carbon cartridge. The quality of the purified water from the single channel desalination module 100 can be further improved by further purifying the purified water with a post-filtration module.

In some embodiments, as shown in fig. 1, the pipeline system 200 further comprises a third pipeline 230, a first valve assembly 10, a second valve assembly 20, a third valve assembly 30, and a fourth valve assembly 40, wherein when the regeneration influencing factor of the single-channel desalination assembly 100 satisfies a first predetermined condition, the water delivered by the first pipeline 210 is introduced into the single-channel desalination assembly 100 through the first valve assembly 10, the second valve assembly 20, the third valve assembly 30, and the first water outlet 120 to regenerate the single-channel desalination assembly 100, so as to obtain wastewater, and the wastewater flows out through the first water inlet 110, and the wastewater flowing out through the first water inlet 110 is introduced into the third pipeline 210 through the fourth valve assembly 40.

In some embodiments, as shown in fig. 1, the pipeline system 200 further comprises a salt storage component 240, wherein when the regeneration influencing factor of the single-channel desalination assembly 100 satisfies a second predetermined condition, the water input from the first pipeline 210 is introduced into the salt storage component 240 through the first valve component 10, salt substances in the salt storage component 240 are dissolved in the introduced water to obtain brine, the brine is introduced into the single-channel desalination assembly 100 through the second valve component 20, the third valve component 30 and the first water outlet 120, the brine flowing in through the first water outlet 120 deeply regenerates the single-channel desalination assembly 100 to obtain wastewater, the wastewater flows out through the first water inlet 110, and the wastewater flowing out through the first water inlet 110 is introduced into the third pipeline 210 through the fourth valve component 40. Regeneration of the single-channel desalination module 100 can be enhanced by continuously recirculating brine in a reverse direction into the single-channel desalination module 100 for regeneration.

Illustratively, the regeneration impact factor of the single-channel desalination assembly 100 includes at least one of a cumulative clean water duration of the single-channel desalination assembly 100 and an electrical conductivity of the clean water flowing out through the first water outlet 120, and the regeneration impact factor further includes an electrical conductivity of the water delivered by the first conduit 210. The accumulated water purification time is the accumulated time for the single-channel desalination module 100 to purify water, and after the single-channel desalination module 100 is deeply regenerated, the accumulated water purification time is calculated again.

Illustratively, the first predetermined condition includes that the conductivity of the purified water flowing out through the first water outlet 120 is greater than the first conductivity and/or the cumulative purified water period of the single channel desalination assembly 100 is an integral multiple of the first predetermined period of time and less than the second predetermined period of time.

Illustratively, the second preset condition is that the cumulative clean water time of the single-channel desalination assembly 100 is greater than or equal to a second preset time; alternatively, the first and second electrodes may be,

the accumulated time period of the single-channel desalination assembly 100 is greater than or equal to a second preset time period, and the conductivity of the purified water flowing out through the first water outlet 120 is greater than the target conductivity; alternatively, the first and second electrodes may be,

the conductivity of the purified water flowing out through the first water outlet 120 is greater than the first conductivity, and the conductivity of the water conveyed by the first pipeline 210 is greater than the second conductivity; alternatively, the first and second electrodes may be,

the cumulative clean water duration of the single channel desalination assembly 100 is greater than or equal to a second predetermined duration, the conductivity of the water delivered by the first pipeline 210 is greater than the second conductivity, and the conductivity of the water delivered by the first pipeline 210 is greater than the second conductivity.

It is understood that the first preset time period is less than the second preset time period, the first conductivity is less than the second conductivity, and the first preset time period, the second preset time period, the first conductivity and the second conductivity may be set based on actual conditions, which is not specifically limited in this application. For example, the first predetermined period of time is 15 days and the second predetermined period of time is 180 days, i.e., the single channel desalination assembly 100 is regenerated in reverse using tap water every 15 days and the single channel desalination assembly 100 is regenerated in reverse using brine every 180 days.

Illustratively, the salt storage assembly 240 includes at least one of a salt storage tank and a salt storage cartridge. Wherein, salt matter has been placed in the salt storage tank, and the salt storage tank includes the filling opening of salt matter, and the user can be through this filling opening with salt matter injection into the salt storage tank, when the salt matter in the salt storage filter core is not enough, can change the salt storage filter core, and salt matter includes at least one in sodium chloride and the potassium chloride.

In some embodiments, as shown in fig. 4, the pipeline system 200 further includes a soft water module 250, the soft water module 250 is connected between the first valve assembly 10 and the second valve assembly 20, when the regeneration influencing factor of the single channel desalination module 100 satisfies a first preset condition, the water supplied from the first pipeline 210 is introduced into the soft water module 250 through the first valve assembly 10 to be softened to obtain soft water, the soft water is introduced into the single channel desalination module 100 through the second valve assembly 20, the third valve assembly 30 and the first water outlet 120 to regenerate the single channel desalination module 100 to obtain wastewater, and the wastewater flows out through the first water inlet 110 and is introduced into the third pipeline 230 through the fourth valve assembly 40. The regeneration of the single-channel desalination module 100 can be enhanced by directing soft water back into the single-channel desalination module 100 to regenerate the single-channel desalination module 100.

Illustratively, the soft water module 250 includes at least one of an electrodialysis unit, an electrodialysis reversal unit, a capacitive desalination cartridge, a membrane capacitive desalination cartridge, a softened resin cartridge, and a nanofiltration membrane cartridge.

In some embodiments, as shown in fig. 5, the household water purifying device further includes a control assembly 300, the control assembly 300 is connected to the first valve assembly 10, the second valve assembly 20, the third valve assembly 30 and the fourth valve assembly 40 respectively, the control assembly 300 is used for controlling the opening or closing of each valve of the first valve assembly 10, the second valve assembly 20, the third valve assembly 30 and the fourth valve assembly 40, such that when the regeneration impact factor of the single-channel desalination assembly 100 satisfies the first predetermined condition, the water delivered by the first line 210 can be directed to the single channel desalination assembly 100 through the first valve assembly 10, the second valve assembly 20, the third valve assembly 30 and the first water outlet 120, to regenerate the single-channel desalination module 100, resulting in wastewater, which flows out through the first water inlet 110, and the wastewater flowing out through the first water inlet 110 can be introduced into the third pipe 210 through the fourth valve assembly 40.

Illustratively, the control assembly 300 is also used to control the opening or closing of the valves of the first valve assembly 10, the second valve assembly 20, the third valve assembly 30 and the fourth valve assembly 40, such that when the regeneration impact factor of the single-channel desalination assembly 100 satisfies the second predetermined condition, the water inputted from the first pipe 210 can be introduced into the salt storage assembly 240 through the first valve assembly 10, the salt in the salt storage assembly 240 is dissolved in the introduced water, to obtain salt water, the brine can be introduced into the single channel desalination module 100 through the second valve assembly 20, the third valve assembly 30 and the first water outlet 120, the brine flowing in through the first water outlet 120 deeply regenerates the single channel desalination module 100 to obtain wastewater, the wastewater flows out through the first water inlet 110, the wastewater flowing out through the first water inlet 110 can be guided into the third pipeline 210 through the fourth valve assembly 40.

Illustratively, the first valve assembly 10, the second valve assembly 20, the third valve assembly 30, and the fourth valve assembly 40 are three-way valves, as shown in fig. 1, the first valve assembly 10 includes a first valve 11, a second valve 12, and a third valve 13, the second valve assembly 20 includes a fourth valve 21, a fifth valve 22, and a sixth valve 23, the third valve assembly 30 includes a seventh valve 31, an eighth valve 32, and a ninth valve 33, and the fourth valve assembly 40 includes a tenth valve 41, an eleventh valve 42, and a twelfth valve 43.

When the regeneration influence factor of the single channel desalination assembly 100 does not satisfy the first preset condition or the second preset condition, the valves of the first valve assembly 10 and the second valve assembly 20 are closed, and the seventh valve 31, the eighth valve 32, the tenth valve 41, and the eleventh valve 42 are opened, so that water in the first pipeline 210 can be introduced into the first water inlet through the tenth valve 41 and the eleventh valve 42, the single channel desalination assembly 100 performs purification treatment on the water flowing in from the first water inlet 110 to obtain purified water, the purified water flows out through the first water outlet 120, and the purified water flowing out through the first water outlet 120 can be introduced into the second pipeline 220 through the seventh valve 31 and the eighth valve 31.

When the regeneration influencing factor of the single-channel desalination assembly 100 satisfies the first preset condition, the control assembly 300 controls the first valve 11, the second valve 12, the fourth valve 21, the fifth valve 22, the seventh valve 31, the ninth valve 33, the eleventh valve 42 and the twelfth valve 43 to be opened, and controls the third valve 13, the sixth valve 23, the tenth valve 41 and the eighth valve 32 to be closed, so that the water conveyed by the first pipeline 210 can be guided into the single-channel desalination assembly 100, and the single-channel desalination assembly 100 is regenerated to obtain wastewater, and the wastewater can be guided into the third pipeline 230.

When the regeneration influence factor of the single-channel desalination assembly 100 satisfies the second preset condition, the control assembly 300 controls the first valve 11, the third valve 13, the fifth valve 22, the sixth valve 23, the seventh valve 31, the ninth valve 33, the eleventh valve 42, and the twelfth valve 43 to be opened, and controls the second valve 12, the fourth valve 21, the tenth valve 41, and the eighth valve 32 to be closed, so that the water conveyed by the first pipeline can be guided into the salt storage assembly 240, the salt substances in the salt storage assembly are dissolved in the guided water to obtain brine, the brine can be guided into the single-channel desalination assembly 100, the single-channel desalination assembly 100 is regenerated to obtain wastewater, and the wastewater can be guided into the third pipeline 230.

In some embodiments, when the regeneration impact factor of the single channel desalination assembly 100 satisfies a first predetermined condition or a second predetermined condition, a voltage in a first direction is applied to the single channel desalination assembly 100, wherein when a voltage in a second direction is applied to the single channel desalination assembly 100, the single channel desalination assembly 100 purifies the water flowing from the first water inlet 110, and the opposite direction of the first direction is the second direction.

Illustratively, as shown in fig. 5, the household water purifying apparatus further comprises a power supply module 400, the control module 300 is connected to the power supply module 400, the power supply module 400 is connected to the single channel desalination module 100, the power supply module 400 is used for supplying power to the single channel desalination module 100, the power supply module 400 can adjust the magnitude and direction of the voltage supplied to the single channel desalination module 100, when a voltage in a first direction is applied to the single channel desalination module 100, the water flowing into the single channel desalination module 100 regenerates the single channel desalination module 100, when a voltage in a second direction is applied to the single channel desalination module 100, the single channel desalination module 100 purifies the water, and the opposite direction of the first direction is the second direction.

In some embodiments, the voltage in the first direction is applied to the single channel desalination assembly 100 to switch between the first voltage and the second voltage at intervals of a preset time, that is, the voltage in the first direction applied to the single channel desalination assembly 100 reaches the first voltage, after the preset time, the voltage in the first direction applied to the single channel desalination assembly 100 is changed from the first voltage to the second voltage, and after the preset time, the voltage in the first direction applied to the single channel desalination assembly 100 is changed from the second voltage to the first voltage, and so on until the regeneration is ended, wherein the first voltage and the second voltage are separated by the preset voltage, and the preset time and the preset voltage can be set based on actual conditions, for example, the preset voltage is 3V, and the preset time is 20 seconds. By alternately applying a voltage in a first direction to the single channel desalination assembly 100, the regeneration effect of the single channel desalination assembly 100 can be increased.

In some embodiments, if the soft water module 250 is any one of an electrodialysis unit, a reverse electrodialysis unit, a capacitive desalination cartridge and a membrane capacitive desalination cartridge, the power supply module 400 is further connected to the soft water module 250 for supplying power to the soft water module 250, and the control module 300 is further configured to control the voltage applied to the soft water module 250 by the power supply module 400 to be less than a preset voltage when the regeneration influence factor of the single-channel desalination module 100 satisfies a second preset condition, so that the tap water is softened by the soft water module 250 to obtain soft water instead of purified water. The preset voltage may be set according to actual conditions, and this is not specifically limited in this application.

In some embodiments, the domestic water purification apparatus further comprises a first conductivity acquisition component and a second conductivity acquisition component, the control component 300 is connected with the first conductivity acquisition component and the second conductivity acquisition component respectively, the first conductivity acquisition component is positioned at the first water outlet 120 of the single channel desalination component 100 and is used for acquiring the conductivity of the purified water flowing out through the first water outlet, and the second conductivity acquisition component is positioned in the first pipeline 210 and is used for acquiring the conductivity of the water conveyed by the first pipeline 210.

Illustratively, the control module 300 is further configured to obtain the conductivity collected by the first conductivity collection module, and control the power supply module 400 to adjust the voltage applied to the single channel desalination module 100 when the conductivity does not reach the target conductivity, so that the conductivity of the purified water flowing out through the first water outlet reaches the target conductivity; or, the control component 300 is further configured to control the power supply component 400 to adjust the voltage applied to the single channel desalination component 100 according to the target conductivity and the conductivity acquired by the second conductivity acquisition component when the conductivity acquired by the first conductivity acquisition component does not reach the target conductivity, so that the conductivity of the purified water flowing out through the first water outlet reaches the target conductivity.

In some embodiments, the control assembly 300 includes an input device, which may include, for example, a button, a knob, a touch screen, a microphone, and the like.

For example, a user may perform a setting operation of a target conductivity through an input device, and the control component 300 may determine the target conductivity according to the setting operation of the user.

For example, when the input device detects a water outlet control operation, such as a user pressing a water outlet button or emitting a voice including a water outlet instruction, it is determined whether the conductivity detected by the first conductivity acquisition assembly reaches the target conductivity. When the conductivity reaches the target conductivity, the control component 300 can control the outlet valve of the second pipe 220 to send out the water for the user to use.

In some embodiments, when the regeneration influencing factor of the single-channel desalination assembly 100 satisfies the second preset condition, the water input from the first pipeline 210 is introduced into the salt storage assembly 240 through the first valve assembly 10, the salt in the salt storage assembly 240 is dissolved in the introduced water to obtain brine, the brine is introduced into the single-channel desalination assembly 100 through the second valve assembly 20, the third valve assembly 30 and the first water outlet 120, the brine flowing in through the first water outlet 120 soaks the single-channel desalination assembly 100 to deeply regenerate the single-channel desalination assembly 100 to obtain wastewater, the wastewater flows out through the first water inlet 110, and after the soaking time reaches the preset duration, the wastewater flowing out through the first water inlet 110 is introduced into the third pipeline 210 through the fourth valve assembly 40. The preset time period can be set based on actual conditions, for example, the preset time period is 5 minutes. By immersing the single-channel desalination assembly 100 in salt water, thereby deeply regenerating the single-channel desalination assembly 100, the regeneration effect of the single-channel desalination assembly 100 can be improved.

It will be appreciated that in regenerating the single-channel desalination assembly 100, applying a reverse voltage to the single-channel desalination assembly 100 while introducing brine into the single-channel desalination assembly 100 or soaking the single-channel desalination assembly 100 with brine, thereby deeply regenerating the single-channel desalination assembly 100, can improve the regeneration effect of the single-channel desalination assembly 100.

In some embodiments, as shown in fig. 6, the pipeline system 200 further comprises a heating assembly 260, the heating assembly 260 is located between the first water outlet 120 and the third valve assembly 30, wherein when the regeneration influencing factor of the single-channel desalination assembly 100 satisfies the first predetermined condition, the water delivered by the first pipeline 210 can be guided to the heating assembly 260 through the first valve assembly 10, the second valve assembly 20 and the third valve assembly 30, the heating assembly 260 heats the water to obtain hot water, the hot water flows into the single-channel desalination assembly 100 through the first water outlet 120, the hot water flowing in from the first water outlet 120 regenerates the single-channel desalination assembly 100 to obtain wastewater, and the wastewater flows out through the first water inlet 110 and guides the wastewater flowing out through the first water inlet 110 into the third pipeline 230 through the fourth valve assembly 40. By directing the heated water to the single channel desalination assembly 100, the regeneration effect of the single channel desalination assembly 100 can be improved, since the higher the temperature of the water, the faster the electromigration velocity of the ions in the water.

Illustratively, when the regeneration influencing factor of the single-channel desalination assembly 100 satisfies the second predetermined condition, the brine can be guided to the heating assembly 260 through the second and

third valve assemblies

20 and 30, the heating assembly 260 heats the brine to obtain hot brine, the hot brine flows into the single-channel desalination assembly 100 through the first water outlet 120, the hot brine flowing in from the first water outlet 120 deeply regenerates the single-channel desalination assembly 100 to obtain wastewater, the wastewater flows out through the first water inlet 110, and the wastewater flowing out through the first water inlet 110 is guided to the third pipeline 230 through the fourth valve assembly 40. By directing hot brine to the single channel desalination assembly 100, the regeneration efficiency of the single channel desalination assembly 100 can be improved, since the higher the temperature of the water, the faster the electromigration velocity of the ions in the water.

It is understood that the heating assembly in the piping system 200 may include a plurality of heating assemblies, and may be disposed at other positions, which is not specifically limited in this application.

In some embodiments, as shown in fig. 7, the pipe system 200 further includes a water storage tank 270, wherein the purified water flowing out through the first water outlet 120 is directed to the second pipe 220 through the third valve assembly 30 when the water outlet of the second pipe 220 is open, and the purified water flowing out through the first water outlet 120 is directed to the water storage tank 270 through the third valve assembly 30 when the water outlet of the second pipe is closed.

For example, when the single-channel desalination assembly is used for water purification treatment, the valves of the first valve assembly 10 and the second valve assembly 20 are closed, the tenth valve 41 and the eleventh valve 42 of the fourth valve assembly 40 are opened, when the water outlet of the second pipeline 220 is opened, the seventh valve 31 and the eighth valve 32 of the third valve assembly 30 are opened, the ninth valve 33 is closed, so that purified water flowing out through the first water outlet 120 can be guided to the second pipeline 220 through the seventh valve 31 and the eighth valve 32, and when the water outlet of the second pipeline 220 is closed, the seventh valve 31 and the ninth valve 33 of the third valve assembly 30 are opened, and the eighth valve 32 is closed, so that purified water flowing out through the first water outlet 120 can be guided to the water storage tank 270 through the seventh valve 31 and the ninth valve 33.

In some embodiments, a liquid level meter is disposed in the water storage tank 270, and is configured to collect a level value of the water storage tank 270, the liquid level meter is connected to the control component 300, when the purified water flowing out through the first water outlet 120 is guided to the water storage tank 270 through the third valve component 30, the control component 300 is further configured to obtain the level value of the water storage tank 270 collected by the liquid level meter, and when the level value reaches a first set value, the ninth valve 33 of the third valve component 30 is controlled to close, and the single-channel desalination component 100 is controlled to stop working, so that the purified water flowing out through the first water outlet 120 cannot be guided into the water storage tank 270, and the purified water in the water storage tank 270 is prevented from overflowing.

In some embodiments, the control module 300 is further configured to obtain a level value of the water storage tank 270 collected by the level meter, and when the level value reaches a second set value and the water outlet of the second pipeline 220 is closed, control the ninth valve 33 of the third valve assembly 30 to open, and control the single-channel desalination assembly 100 to start operating, so that the clean water flowing out of the first water outlet 120 can be guided to the water storage tank 270 through the seventh valve 31 and the ninth valve 33.

In some embodiments, the water storage tank 270 is a pressure water storage tank, the pressure in the pressure water storage tank increases with the increase of water flowing into the pressure water storage tank, the pressure water storage tank includes a pressure gauge, the pressure gauge is connected to the control module 300, when the purified water flowing out through the first water outlet 120 is guided to the water storage tank 270 through the third valve module 30, the pressure in the pressure water storage tank continuously increases, the control module 300 is further configured to obtain the pressure in the pressure water storage tank collected by the pressure gauge, and when the pressure reaches a set pressure value, the ninth valve 33 of the third valve module 30 is controlled to close, and the single-channel desalination module 100 is controlled to stop working, so that the purified water flowing out through the first water outlet 120 cannot be guided into the water storage tank 270 again, and the purified water in the water storage tank 270 is prevented from overflowing.

In some embodiments, when the regeneration influencing factor of the single-channel desalination assembly 100 satisfies the first predetermined condition, the purified water in the water storage tank 270 is guided to the first water outlet 120 through the third valve assembly 30, the purified water flowing in through the first water outlet 120 regenerates the single-channel desalination assembly 100 to obtain wastewater, and the wastewater flows out through the first water inlet 110 and is guided to the third pipeline 230 through the fourth valve assembly 40.

Illustratively, the water storage tank 270 is a pressurized water storage tank, and when the regeneration influencing factor of the single-channel desalination device 100 satisfies a first predetermined condition, the pressurized water storage tank is used to guide the purified water therein to the first water outlet 120 through the third valve assembly 30, wherein when the pressurized water storage tank is full of water, the pressure in the pressurized water storage tank is relatively high, and after the ninth valve 33 and the seventh valve 31 of the third valve assembly 30 are opened, the purified water in the pressurized water storage tank is guided to the first inlet 110 of the single-channel desalination device 100 through the ninth valve 33 and the seventh valve 31 due to the pressure. The single-channel desalination assembly 100 is reversely fed with water through the pressure water storage tank without adding a driving assembly, thereby reducing the structural complexity and the regeneration cost.

In some embodiments, the plumbing system 200 further includes a drive assembly for driving the clean water in the water storage tank 270 to the third valve assembly 30 and directing the clean water in the water storage tank to the first outlet 120 by the third valve assembly 30. Wherein, the driving assembly comprises a piezoelectric pump, an electric pump, a booster pump and the like.

In some embodiments, when the regeneration time of the single-channel desalination assembly 100 reaches a set value, the control assembly 300 controls the first valve assembly 10, the second valve assembly 20, the third valve assembly 30 and the fourth valve assembly 40 to open or close, so that the first valve assembly 10 can guide the water supplied by the first pipeline 210 to the first water inlet 110, the single-channel desalination assembly 100 purifies the water flowing from the first water inlet 110 to obtain purified water, the purified water flows out through the first water outlet 120, and the purified water flowing out through the first water outlet 120 can be guided into the second pipeline 320 through the third valve assembly 30; the control module 300 is further configured to obtain the conductivity collected by the first conductivity collection module, and when the conductivity reaches the target conductivity, terminate the regeneration of the single channel desalination module 100, and control the household water purification apparatus to stop operating.

In some embodiments, the domestic water purification device further comprises a dual-channel desalination assembly, wherein the dual-channel desalination assembly comprises a second water inlet, a second water outlet and a concentrate outlet, the dual-channel desalination assembly purifies water flowing in from the second water inlet to obtain purified water and concentrated water, the purified water flows out through the second water outlet, and the concentrated water flows out through the concentrate outlet.

Illustratively, the second water inlet of the dual-channel desalination assembly is connected to the first pipeline 210, such that the first pipeline 210 can supply water to the second water inlet of the dual-channel desalination assembly, the second water outlet of the dual-channel desalination assembly is communicated with the first water inlet 110, such that purified water flowing out from the second water outlet of the dual-channel desalination assembly flows into the single-channel desalination assembly 100 through the first water inlet 110, the single-channel desalination assembly 100 performs a secondary purification treatment on the purified water flowing in from the first water inlet 110, and the secondarily purified water flows out through the first water outlet 120. Through leading the water purification to single current way desalination subassembly 100, carry out secondary purification by single current way desalination subassembly 100 to the water purification, can improve domestic purifier's water purification effect, improve quality of water.

It should be noted that the dual-channel desalination assembly uses at least one water inlet and two water outlets when purifying the water flowing through the dual-channel desalination assembly, and is therefore called a dual-channel desalination assembly.

Illustratively, the dual-channel desalination assembly comprises one of a reverse osmosis desalination assembly, an electrodialysis desalination assembly, and a reverse electrodialysis desalination assembly.

In some embodiments, the single-channel desalination assembly 100 can include a housing and a filter element removably received within an interior of the housing. The filter element includes, for example, a physisorption desalination filter element and/or a chemisorption desalination filter element as previously described. The filter elements of the single-channel desalination assembly 100 can be removed and flushed as needed to regenerate the filter elements of the single-channel desalination assembly 100.

In some embodiments, the second pipe 220 is connected to a plurality of water outlet pipes, and at least one of the water outlet pipes is provided with a heating element.

Illustratively, the heating assembly includes, for example, a heat exchanger or the like, and the heating assembly can heat the inflow water to provide hot water at a desired temperature to a user.

The domestic purifier that the above-mentioned embodiment of this specification provided includes: the single-channel desalination assembly comprises a first water inlet and a first water outlet, and is used for purifying water flowing in from the first water inlet to obtain purified water, and the purified water flows out from the first water outlet; the pipeline system comprises a first pipeline and a second pipeline, wherein the first pipeline is used for supplying water to the first water inlet, and the second pipeline is used for outputting purified water flowing out of the first water outlet; the pipeline system further comprises a third pipeline, a first valve assembly, a second valve assembly, a third valve assembly and a fourth valve assembly, wherein when the regeneration influence factor of the single-channel desalination assembly meets a first preset condition, water conveyed by the first pipeline is guided into the single-channel desalination assembly through the first valve assembly, the second valve assembly, the third valve assembly and the first water outlet so as to regenerate the single-channel desalination assembly to obtain wastewater, the wastewater flows out through the first water inlet, and the wastewater flowing out through the first water inlet is guided into the third pipeline through the fourth valve assembly; the pipeline system further comprises a soft water component and a salt storage component, wherein when the regeneration influence factor of the single-channel desalination component meets a second preset condition, water input by the first pipeline is guided into the salt storage component through the first valve component, salt substances in the salt storage component are dissolved in the guided water to obtain brine, the brine is guided into the single-channel desalination component through the second valve component, the third valve component and the first water outlet to deeply regenerate the single-channel desalination component to obtain wastewater, the wastewater flows out through the first water inlet, and the wastewater flowing out through the first water inlet is guided into the third pipeline through the fourth valve component. When the single-channel desalination component needs to be regenerated, tap water is used for reversely regenerating the single-channel desalination component under different conditions, or brine is used for reversely and deeply regenerating the single-channel desalination component, so that the regeneration cost can be reduced while the regeneration effect of the single-channel desalination component is ensured.

In the description of the embodiments of the present application, it is to 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", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the embodiments of the present application and for simplification of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application.

Furthermore, the terms "first", "second" 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 "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

In the embodiments of the present application, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

In the embodiments of the present application, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second 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:

pipeline system still includes soft water component and storage salt subassembly, wherein, when single channel desalination subassembly's regeneration influence factor satisfies the second and presets the condition, through first valve assembly will the water of first pipeline input is leading-in store up the salt subassembly, salt class material dissolves in leading-in aquatic in the storage salt subassembly, obtains salt water, through second valve assembly, third valve assembly and first delivery port are leading-in with salt water single channel desalination subassembly, in order to right single channel desalination subassembly carries out the degree of depth regeneration, obtains waste water, and waste water warp first water inlet flows out, through fourth valve assembly will pass through the waste water that first water inlet flows is leading-in the third pipeline.

2. The domestic water purification apparatus of claim 1, wherein the single-channel desalination assembly comprises a physisorption desalination cartridge and/or a chemisorption desalination cartridge.

3. The domestic water purification apparatus of claim 2, wherein said chemisorptive desalination cartridge comprises at least one of an ion exchange resin cartridge, a bipolar membrane electrodeionization cartridge;

4. The domestic water purification apparatus of claim 1, wherein the salt storage assembly comprises at least one of a salt storage tank and a salt storage filter element.

5. The domestic water purification apparatus according to claim 1, wherein the pipeline system further comprises a soft water module connected between the first valve assembly and the second valve assembly, when the regeneration influencing factor of the single-channel desalination module satisfies a first predetermined condition, the soft water delivered by the first pipeline is introduced into the soft water module through the first valve assembly to be softened to obtain soft water, the soft water is introduced into the single-channel desalination module through the second valve assembly, the third valve assembly and the first water outlet to be regenerated to obtain wastewater, and the wastewater flows out through the first water inlet and is introduced into the third pipeline through the fourth valve assembly.

6. The domestic water purification apparatus of claim 5, wherein the water softening assembly comprises at least one of an electrodialysis unit, an electrodialysis reversal unit, a capacitive desalination cartridge, a membrane capacitive desalination cartridge, a softened resin cartridge, and a nanofiltration membrane cartridge.

7. The domestic water purification apparatus of claim 1, wherein the single channel desalination assembly is energized in a first direction when the regeneration influencing factor of the single channel desalination assembly satisfies a first predetermined condition or a second predetermined condition, wherein the single channel desalination assembly purifies water flowing from the first water inlet when the single channel desalination assembly is energized in a second direction, and wherein the opposite direction of the first direction is the second direction.

8. The domestic water purification apparatus of claim 7, wherein the single channel desalination assembly is energized with a voltage in a first direction to switch between a first voltage and a second voltage separated by a predetermined time, wherein the first voltage and the second voltage are separated by a predetermined voltage.

9. The domestic water purification apparatus according to any one of claims 1 to 8, wherein the brine flowing from the first water outlet soaks the single channel desalination module to deeply regenerate the single channel desalination module to obtain wastewater, the wastewater flows out through the first water inlet, and the wastewater flowing out through the first water inlet is introduced into the third pipeline through the fourth valve assembly after the soaking time reaches a preset duration.

10. The domestic water purification apparatus of any one of claims 1 to 8, wherein the conduit system further comprises a heating assembly positioned between the first water outlet and the third valve assembly, wherein water delivered by the first conduit is directed to the heating assembly by the first valve assembly, the second valve assembly and the third valve assembly, wherein the heating assembly heats the water to produce hot water, wherein the hot water flows into the single-channel desalination assembly via the first water outlet, wherein the hot water flowing from the first water outlet regenerates the single-channel desalination assembly to produce waste water, wherein the waste water flows out via the first water inlet, and wherein the waste water flowing from the first water inlet is directed to the third conduit via the fourth valve assembly.

11. The domestic water purification apparatus of claim 10, wherein brine is directed to the heating module by the second and third valve assemblies, the heating module heating the brine to produce hot brine, the hot brine flowing into the single channel desalination module through the first water outlet, the hot brine flowing from the first water outlet deeply regenerating the single channel desalination module to produce wastewater, the wastewater flowing out through the first water inlet being directed into the third conduit by the fourth valve assembly.

12. The domestic water purification apparatus according to any one of claims 1 to 8, wherein the pipe system further comprises a water storage tank, wherein when the water outlet of the second pipe is open, the purified water flowing out through the first water outlet is directed to the second pipe by the third valve assembly, and when the water outlet of the second pipe is closed, the purified water flowing out through the first water outlet is directed to the water storage tank by the third valve assembly;

13. The domestic water purification device of any one of claims 1 to 8, wherein the pipe system further comprises a pre-filter assembly located between the first pipe and the first water inlet, the pre-filter assembly comprising a PP cotton filter element and/or an activated carbon filter element.

14. The domestic water purification device of claim 13, wherein the activated carbon filter element comprises a scale inhibiting activated carbon filter element and a non-scale inhibiting activated carbon filter element.

15. The domestic water purification apparatus of any one of claims 1-8, wherein the regeneration impact factor comprises at least one of a cumulative clean water duration of the single channel desalination assembly and an electrical conductivity of the clean water flowing out through the first water outlet.

16. The domestic water purification apparatus of any one of claims 1 to 8, wherein the outlet direction of said second pipeline is connected to a plurality of outlet pipelines, and at least one of said outlet pipelines is provided with a heating element.