CN220976726U - Water system for drinking water purification equipment and drinking water purification equipment - Google Patents

Abstract

The utility model relates to the technical field of water purification, and specifically provides a water system and a water purification device for drinking water purification equipment, aiming to solve the problem that the existing drinking water purification equipment cannot effectively sterilize the filter, resulting in a poor user experience. To this end, the water system of the utility model includes a heating module and a filter assembly, the heating module has a heating chamber, the heating module is configured to heat the water entering the heating chamber, and the filter assembly is arranged at the downstream end of the heating module, so that the hot water in the heating chamber flows into the filter assembly to sterilize the filter assembly. The utility model can heat the water in the heating chamber and the heated hot water flows into the filter assembly, thereby effectively sterilizing the filter assembly, which can not only avoid the influence of bacteria growth on the user's drinking water health, but also avoid the filter assembly being blocked by bacteria growth, thereby extending the service life of the filter assembly and greatly improving the user's experience.

Description

Water system for drinking water purification equipment and drinking water purification equipment

Technical Field

The utility model relates to the technical field of water purification, and specifically provides a water channel system for drinking water purification equipment and drinking water purification equipment.

Background technique

As people's living standards improve, their demand for drinking water is also increasing. Water purifiers, pipeline machines and other drinking water purification equipment have gradually become essential drinking water facilities in people's daily lives.

After using the drinking water purification equipment for a period of time, the reverse osmosis filter element is prone to breed bacteria, which on the one hand poses a threat to human health. On the other hand, the breeding of bacteria and other microorganisms will clog the membrane, shorten the service life of the filter element, and seriously affect the user experience.

In the prior art, although there are drinking water purification products that use antibacterial materials to inhibit bacterial growth, they cannot effectively sterilize. The mode of using ultraviolet rays to sterilize water cannot effectively solve the problem of contaminants blocking the reverse osmosis filter element.

Utility Model Content

The utility model aims to solve the above technical problem, that is, to solve the problem that the existing water purification equipment cannot effectively sterilize the filter, resulting in a poor user experience.

In a first aspect, the utility model provides a water system for a drinking water purification device, the water system comprising a heating module and a filter assembly, the heating module having a heating chamber, the heating module being configured to heat water entering the heating chamber, the filter assembly being disposed at the downstream end of the heating module so that the hot water in the heating chamber flows into the filter assembly to sterilize the filter assembly.

In the preferred technical solution of the water system for the above-mentioned drinking water purification equipment, the filter assembly includes a reverse osmosis membrane filter element, the water inlet end of the reverse osmosis membrane filter element is connected to the water outlet end of the heating chamber, the water system also includes a booster pump, a wastewater proportional valve and a water outlet component, the booster pump is arranged on the flow path between the water inlet end of the reverse osmosis membrane filter element and the water outlet end of the heating chamber, the wastewater end of the reverse osmosis membrane filter element is connected to the wastewater proportional valve, and the water outlet end of the reverse osmosis membrane filter element is connected to the water outlet component.

In the preferred technical solution of the water system for the above-mentioned drinking water purification equipment, the filter assembly also includes a pre-filter cartridge module, the water inlet end of the pre-filter cartridge module is connected to the water outlet end of the heating chamber, and the water outlet end of the pre-filter cartridge module is connected to the water inlet end of the reverse osmosis membrane filter cartridge.

In the preferred technical solution of the water system for the above-mentioned drinking water purification equipment, the water system also includes a water inlet solenoid valve, which is arranged on the flow path between the water outlet end of the pre-filter module and the water inlet end of the reverse osmosis membrane filter element, and the water outlet end of the pre-filter module can also be connected to the water outlet component.

In the preferred technical solution of the water system for the above-mentioned drinking water purification equipment, the filter assembly also includes a post-filter element module, the water outlet end of the reverse osmosis membrane filter element is connected to the water inlet end of the post-filter element module, and the water outlet end of the post-filter element module is connected to the water outlet component.

In the above-mentioned preferred technical solution of the water system for the drinking water purification equipment, the water system also includes a high-pressure switch, which is arranged on the flow path between the water outlet end of the post-filter module and the water outlet component, and the high-pressure switch is communicatively connected with the boost pump and the water inlet solenoid valve.

In the preferred technical solution of the water system for the above-mentioned drinking water purification equipment, the water system also includes a temperature detection component, which is arranged at the upstream end of the reverse osmosis membrane filter element and is used to detect the temperature of water flowing into the reverse osmosis membrane filter element.

In the preferred technical solution of the water system for the above-mentioned drinking water purification equipment, the heating module is an instant thick film heating tube, and the heating chamber is formed in the instant thick film heating tube, and the instant thick film heating tube can heat the water entering the heating chamber.

In a second aspect, the utility model provides a drinking water purification device, which includes the water system for drinking water purification device introduced above.

In the preferred technical solution of the above-mentioned drinking water purification device, the drinking water purification device further comprises a front and rear composite filter cartridge housing, and the front filter cartridge module and the rear filter cartridge module are both arranged in the front and rear composite filter cartridge housing.

When the above technical solution is adopted, by setting up a heating module, the water in the heating chamber can be heated, and the heated hot water can flow into the filter component, thereby effectively sterilizing the filter component. On the one hand, it can avoid the influence of bacteria growth on the user's drinking water health; on the other hand, it can avoid the filter component being blocked by bacteria growth, thereby affecting the service life of the filter component, thereby greatly improving the user's experience.

Furthermore, the hot water in the heating chamber can be transported to the reverse osmosis membrane filter element to sterilize the reverse osmosis membrane filter element, which can prevent bacteria from breeding in the reverse osmosis membrane filter element and clogging the membrane, thereby extending the service life of the reverse osmosis membrane filter element and further improving the user experience.

Furthermore, by setting up a pre-filter module, the water can be filtered through the pre-filter module to remove mud and impurities in the water, and then transported to the reverse osmosis membrane filter element for filtration. This can not only improve the water quality of the effluent, but also further avoid the reverse osmosis membrane filter element from being blocked, extend the service life of the reverse osmosis membrane filter element, and further enhance the user experience.

Furthermore, by setting a water inlet solenoid valve and connecting the water outlet end of the pre-filter module with the water outlet component, on the one hand, when the water inlet solenoid valve is opened, the water pretreated by the pre-filter module enters the reverse osmosis membrane filter element for filtration, and is then output from the water outlet component, thereby preparing pure water for users to drink; on the other hand, when the water inlet solenoid valve is closed, the water pretreated by the pre-filter module is directly output from the water outlet component, thereby preparing clean water for users to use in washing fruits and vegetables. The water system can output clean water while outputting pure water, further improving the user experience.

Furthermore, by providing a post-filter cartridge module, water filtered by the reverse osmosis membrane cartridge can flow through the post-filter cartridge module again, thereby improving the taste of pure water and further enhancing the user experience.

Furthermore, by setting a high-pressure switch, when the water outlet component is opened and the first interface is connected to the water outlet pipe, the high-pressure switch detects a pressure drop in the pipeline, and the booster pump and the water inlet solenoid valve start immediately after receiving the pressure drop signal. The booster pump pumps water into the pre-filter module, the reverse osmosis membrane filter element and the post-filter module in sequence, and finally flows out from the water outlet pipe of the water outlet component through the first interface, thereby realizing intelligent water production and water extraction.

Furthermore, by setting up a temperature detection component, the water temperature flowing into the reverse osmosis membrane filter element can be detected. When the water temperature is detected to be lower than the preset temperature, the heating module starts and heats the water flowing into the heating chamber, so that the water temperature entering the reverse osmosis membrane filter element is increased to the optimal filtration temperature of the reverse osmosis membrane filter element, thereby avoiding affecting the filtration efficiency of the reverse osmosis membrane filter element and thus affecting the water production due to the inlet water temperature being too low.

Furthermore, by configuring the heating module as an instant thick-film heating tube, water entering the heating chamber can be quickly heated, thereby improving the heating efficiency, thereby improving the sterilization efficiency of the filter component, and further enhancing the user experience.

In addition, the utility model further provides a drinking water purification device based on the above-mentioned technical solution. Since it includes the water system for drinking water purification equipment introduced above, it has the beneficial effects of the water system for drinking water purification equipment mentioned above. Compared with the drinking water purification equipment before the improvement, the water quality of the drinking water purification equipment of the utility model is healthier, the service life of the filter element assembly is longer, and the user experience is better.

Furthermore, by integrating the front filter element module and the rear filter element module into the front and rear composite filter element housing to form a front and rear composite filter element, the integrity of the filter assembly can be improved, thereby facilitating the improvement of the assembly efficiency of the water purification equipment.

BRIEF DESCRIPTION OF THE DRAWINGS

The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:

FIG1 is a schematic diagram of a connection structure of a water system for a drinking water purification device according to the present invention;

FIG2 is a second schematic diagram of the connection structure of the water system for the drinking water purification device of the present invention, which shows a schematic diagram of the water flow direction in the pure water mode;

FIG3 is a third schematic diagram of the connection structure of the water system for the drinking water purification device of the present invention, which shows a schematic diagram of the water flow direction in the water purification mode;

FIG4 is a fourth schematic diagram of the connection structure of the water system for the drinking water purification device of the present invention, which shows a schematic diagram of the water flow direction in the sterilization mode or the automatic flushing mode;

FIG5 is a schematic diagram of the structure of the heating module of the present invention;

FIG6 is a schematic structural diagram of a water system for a drinking water purification device according to the present invention;

FIG. 7 is a schematic structural diagram of a waterway plate of the present invention.

List of reference numerals:

1. Heating module; 11. Water inlet of heating chamber; 12. Water outlet of heating chamber; 21. Reverse osmosis membrane filter element; 211. Water inlet of reverse osmosis membrane filter element; 212. Water outlet of reverse osmosis membrane filter element; 213. Wastewater end of reverse osmosis membrane filter element; 22. Front and rear composite filter element housing; 2211. Water inlet of front filter element module; 2212. Water outlet of front filter element module; 2221. Water inlet of rear filter element module; 2222. Water outlet of rear filter element module; 3. Water inlet solenoid valve; 4. Booster pump; 5. Wastewater proportional valve; 61. First interface; 62. Second interface; 63. Water outlet pipe; 7. High pressure switch; 8. One-way valve; 9. Temperature detection component; 10. Waterway plate; 101. Water inlet; 102. Pure water inlet; 103. Clean water inlet; 104. Wastewater inlet.

Detailed ways

The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Please refer to Figures 1 to 4, Figure 1 is a schematic diagram of the connection structure of the water system of the water purification equipment of the utility model, Figure 2 is a schematic diagram of the connection structure of the water system of the water purification equipment of the utility model, which shows the water flow direction schematic diagram in the pure water mode, Figure 3 is a schematic diagram of the connection structure of the water system of the water purification equipment of the utility model, which shows the water flow direction schematic diagram in the water purification mode, and Figure 4 is a schematic diagram of the connection structure of the water system of the water purification equipment of the utility model, which shows the water flow direction schematic diagram in the sterilization mode or the automatic flushing mode.

As shown in Figures 1 to 4, the water system for the drinking water purification device of the present invention includes a heating module 1 and a filter assembly. The heating module 1 has a heating chamber (not shown in the figures). The heating module 1 is configured to heat water entering the heating chamber.

As shown in FIG. 1 to FIG. 4 , the filter assembly of the present invention is arranged at the downstream end of the heating module 1 so that the hot water in the heating chamber flows into the filter assembly to sterilize the filter assembly.

By setting up the heating module 1, the water in the heating chamber can be heated, and the heated hot water can flow into the filter component, thereby effectively sterilizing the filter component. On the one hand, it can prevent the user's drinking water health from being affected by the growth of bacteria; on the other hand, it can prevent the filter component from being blocked by bacteria and thus affecting the service life of the filter component, thereby greatly improving the user's experience.

It should be noted that, in actual applications, those skilled in the art may configure the heating module 1 as a resistive heating device, which includes a shell and a resistive heating module, a heating chamber is formed in the shell, and the resistive heating device can heat the water entering the shell, or the heating module 1 may be configured as an instant thick-film heating tube, wherein a heating chamber is formed in the heating tube, and the thick-film heating tube can heat the water in the heating chamber, or the heating module 1 may be configured as an electromagnetic heating device, which includes a shell and an electromagnetic coil wound around the outside of the shell, a heating chamber is formed in the shell, and the electromagnetic coil can heat the water in the heating chamber after being energized, etc. Such adjustments and changes to the specific setting type of the heating module 1 do not deviate from the principle and scope of the present utility model, and should be included in the protection scope of the present utility model.

Next, please refer to FIG5 , which is a schematic structural diagram of the heating module of the present invention.

Preferably, as shown in FIG. 5 , the heating module 1 of the present invention is an instantaneous thick film heating tube, in which a heating chamber is formed, and the instantaneous thick film heating tube can heat water entering the heating chamber.

Through such a setting, the water entering the heating chamber can be heated quickly, thereby improving the heating efficiency, thereby improving the sterilization efficiency of the filter component, and further enhancing the user experience.

Specifically, the water entering the drinking water purification device enters the heating chamber through the water inlet end 11 of the heating chamber, and the thermal thick film heating tube heats the water in the tube (heating chamber), and then flows out through the water outlet end 12 of the heating chamber.

It should be noted that, in actual applications, those skilled in the art may configure the filter component to be a reverse osmosis membrane filter element, or, may configure the filter component to be an ultrafiltration filter element, or, may configure the filter component to be any other possible form, etc. Such adjustments and changes to the specific setting type of the filter component do not deviate from the principle and scope of the present invention and should be included in the protection scope of the present invention.

Preferably, as shown in Figures 1 to 4, the filtration component of the utility model includes a reverse osmosis membrane filter element 21, wherein the water inlet end 211 of the reverse osmosis membrane filter element is connected to the water outlet end 12 of the heating chamber, and the water system also includes a booster pump 4, a wastewater proportional valve 5 and a water outlet component, the booster pump 4 is arranged on the flow path between the water inlet end 211 of the reverse osmosis membrane filter element and the water outlet end 12 of the heating chamber, the wastewater end 213 of the reverse osmosis membrane filter element is connected to the wastewater proportional valve 5, and the water outlet end 212 of the reverse osmosis membrane filter element is connected to the water outlet component.

Through such a setting, the hot water in the heating chamber can be transported to the reverse osmosis membrane filter element 21, thereby sterilizing the reverse osmosis membrane filter element 21, and preventing the reverse osmosis membrane filter element 21 from breeding bacteria and clogging the membrane, thereby extending the service life of the reverse osmosis membrane filter element 21 and further improving the user experience.

It should be noted that, in actual applications, those skilled in the art may simply configure the filter component to be a reverse osmosis membrane filter element 21, or may configure the filter component to be a pre-filter element and a reverse osmosis membrane filter element 21, wherein the water pretreated by the pre-filter element flows into the reverse osmosis membrane filter element 21 for filtration, etc. Such adjustments and changes to the specific setting type of the filter component do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

Preferably, as shown in Figures 1 to 4, the filter assembly of the present invention also includes a pre-filter element module (not shown in the figures), wherein the water inlet end 2211 of the pre-filter element module is connected to the water outlet end 12 of the heating chamber, and the water outlet end 2212 of the pre-filter element module is connected to the water inlet end 211 of the reverse osmosis membrane filter element.

Through such a configuration, the water can first be filtered through the pre-filter module to remove mud and impurities in the water, and then transported to the reverse osmosis membrane filter element 21 for filtration. This can not only improve the water quality of the effluent, but also further prevent the reverse osmosis membrane filter element 21 from being blocked, further extend the service life of the reverse osmosis membrane filter element 21, and further enhance the user experience.

It should be noted that, in actual applications, those skilled in the art may configure the water outlet end 2212 of the pre-filter to be connected only to the water inlet end 211 of the reverse osmosis membrane filter element, and the water pretreated by the pre-filter element module enters the reverse osmosis membrane filter element 21 for filtration, thereby preparing pure water; or, the water outlet end 2212 of the pre-filter element may be configured to be directly connected to the water outlet component, and the water pretreated by the pre-filter element is directly output from the water outlet component, thereby preparing clean water, etc. Such flexible adjustments and changes do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

Preferably, as shown in Figures 1 to 4, the water system of the utility model also includes a water inlet solenoid valve 3, which is arranged on the flow path between the water outlet end 2212 of the pre-filter module and the water inlet end 211 of the reverse osmosis membrane filter element, and the water outlet end 2212 of the pre-filter module can also be connected to the water outlet component.

Through such an arrangement, on the one hand, when the water inlet solenoid valve 3 is opened, the water pretreated by the pre-filter module enters the reverse osmosis membrane filter element 21 for filtration, and then is output from the water outlet component, thereby preparing pure water for users to drink; on the other hand, when the water inlet solenoid valve 3 is closed, the water pretreated by the pre-filter module is directly output from the water outlet component, thereby preparing clean water for users to wash fruits and vegetables. This enables the water system to output clean water while outputting pure water, further enhancing the user experience.

It should be noted that, in actual applications, those skilled in the art may set the water inlet solenoid valve 3 at the upstream end of the boost pump 4, or, may set the water inlet solenoid valve 3 at the downstream end of the boost pump 4, and so on. Such adjustments and changes to the specific setting position of the boost pump 4 do not deviate from the principle and scope of the present utility model, and should be included in the protection scope of the present utility model.

Preferably, as shown in FIGS. 1 to 4 , the water inlet solenoid valve 3 of the present invention is arranged at the upstream end of the booster pump 4 .

It should be noted that, in actual applications, those skilled in the art may only configure the filter assembly to be a pre-filter element module and a reverse osmosis membrane filter element 21, and the water filtered by the reverse osmosis membrane filter element 21 is directly output from the water outlet component, or, the filter assembly may be configured to be a pre-filter element module, a reverse osmosis membrane filter element 21 and a post-filter element module, and the water filtered by the reverse osmosis membrane filter element 21 flows into the post-filter element module and then is output from the water outlet component, etc. Such adjustments and changes to the specific setting types of the filter assembly do not deviate from the principle and scope of the present utility model, and should be included in the protection scope of the present utility model.

Preferably, as shown in Figures 1 to 4, the filter assembly of the present invention also includes a post-filter element module (not shown in the figures), wherein the water outlet end 212 of the reverse osmosis membrane filter element is connected to the water inlet end 2221 of the post-filter element module, and the water outlet end 2222 of the post-filter element module is connected to the water outlet component.

Through such an arrangement, the water filtered by the reverse osmosis membrane filter element 21 can flow through the post-filter element module, thereby improving the taste of pure water and further enhancing the user experience.

Preferably, as shown in FIGS. 1 to 4 , the water system of the present invention further comprises a one-way valve 8 , which is arranged on the flow path between the water outlet 212 of the reverse osmosis membrane filter element and the water inlet 2221 of the post-filter element module.

This arrangement can prevent water filtered by the reverse osmosis membrane filter element 21 and the post-filter element module from flowing back into the reverse osmosis membrane filter element 21 .

It should be noted that, in actual applications, those skilled in the art may set the water outlet component to a water tank, or, may set the water outlet component to a faucet, or, may set the water outlet component to any other possible form, etc. Such adjustments and changes to the specific setting type of the water outlet component do not deviate from the principle and scope of the present utility model, and should be included in the protection scope of the present utility model.

Preferably, as shown in Figures 1 to 4, the water outlet component of the utility model is a faucet, which has a first interface 61, a second interface 62 and a water outlet pipe 63, wherein the first interface 61 is connected to the water outlet end 2222 of the post-filter element module, and the second interface 62 is connected to the water outlet end 2212 of the pre-filter element module, and the first interface 61 and the second interface 62 can be selectively connected to the water outlet pipe 63.

It should be noted that, in actual applications, those skilled in the art can set a first control valve and a second control valve on the faucet so that the first interface 61 and the second interface 62 are selectively connected to the water outlet pipe 63, or the faucet can be set as a mixing water faucet, etc. Such flexible adjustments and changes do not deviate from the principle and scope of the utility model and should be included in the protection scope of the utility model.

Preferably, the faucet of the utility model is a water mixing faucet.

It should be noted that, in actual applications, technicians in this field can set the faucet to an induction faucet, or set the faucet to a touch faucet, etc. Such adjustments and changes to the specific setting type of the faucet do not deviate from the principle and scope of the present utility model and should be included in the protection scope of the present utility model.

Preferably, the faucet is configured as a smart touch-controlled faucet.

Preferably, as shown in Figures 1 to 4, the water system of the utility model also includes a high-pressure switch 7, which is arranged on the flow path between the water outlet end 2222 of the post-filter module and the water outlet component, and the high-pressure switch 7 is communicatively connected with the water inlet solenoid valve 3 and the booster pump 4.

By setting the high-pressure switch 7, when the water outlet component is opened and the first interface 61 is connected to the water outlet pipe 63, the high-pressure switch 7 detects the pressure drop in the pipeline, and the booster pump 4 and the water inlet solenoid valve 3 are started immediately after receiving the pressure drop signal. The booster pump 4 pumps water into the pre-filter module, the reverse osmosis membrane filter 21 and the post-filter module in sequence, and finally flows out from the water outlet pipe 63 of the water outlet component through the first interface 61, so as to realize intelligent water production and water extraction.

Preferably, as shown in FIGS. 1 to 4 , the water system of the present invention further comprises a temperature detection component 9 , which is disposed at the upstream end of the reverse osmosis membrane filter element 21 and is used to detect the temperature of water flowing into the reverse osmosis membrane filter element 21 .

Through such an arrangement, the temperature of water flowing into the reverse osmosis membrane filter element 21 can be detected by the temperature detection component 9. When the water temperature is detected to be lower than the preset temperature, the heating module 1 can be started to heat the water flowing into the heating chamber, thereby increasing the temperature of the water entering the reverse osmosis membrane filter element 21 to the optimal filtration temperature of the reverse osmosis membrane filter element 21, thereby avoiding affecting the filtration efficiency of the reverse osmosis membrane filter element 21 and thus affecting the water production due to the inlet water temperature being too low.

It should be noted that, in actual applications, those skilled in the art may set the temperature detection component 9 at the upstream end of the heating module 1, or may set the temperature detection component 9 between the heating module 1 and the reverse osmosis membrane filter element 21, etc. Such adjustments and changes to the specific setting position of the temperature detection component 9 do not deviate from the principle and scope of the present invention, and should be included in the protection scope of the present invention.

Preferably, as shown in FIGS. 1 to 4 , the temperature detection component 9 of the present invention is disposed at the upstream end of the heating module 1 .

1 to 4 , and then refer to FIG. 6 and FIG. 7 . FIG. 6 is a schematic structural diagram of a waterway system for a drinking water purifier according to the present invention, and FIG. 7 is a schematic structural diagram of a waterway plate according to the present invention.

As shown in Figures 1 to 4, Figure 6 and Figure 7, the water system of the utility model also includes a waterway plate 10, on which are provided a water inlet 101, a pure water inlet 102, a clean water inlet 103 and a wastewater inlet 104, wherein the water inlet 101 is connected to the water inlet end 11 of the heating chamber, the water outlet end 2222 of the post-filter module is connected to the first interface 61 of the water outlet component through the pure water inlet 102, the water outlet end 2212 of the pre-filter module is connected to the second interface 62 of the water outlet component through the clean water inlet 103, the wastewater end 213 of the reverse osmosis membrane filter is connected to the wastewater inlet 104, and the raw water enters the heating chamber from the water inlet 101.

Through such an arrangement, the water channel system can be integrated on the water channel plate 10 , thereby improving the integrity of the water channel plate 10 .

It should be noted that the filter assembly, the booster pump 4 , the heating module 1 , the one-way valve 8 , the high-pressure switch 7 , and the water inlet solenoid valve 3 of the utility model are all integrated on the waterway plate 10 .

In addition, the utility model also provides a drinking water purification device, which includes the water system introduced above.

It should be noted that, in actual applications, those skilled in the art may configure the pre-filter element module and the post-filter element module as two independent filter elements, or, may configure the pre-filter element module and the post-filter element module as a pre- and post-composite filter element, or, may configure one of the pre-filter element module and the post-filter element module as a composite filter element composited with the reverse osmosis membrane filter element 21, and so on. Such flexible adjustments and changes do not deviate from the principle and scope of the present invention and should be included in the protection scope of the present invention.

Preferably, as shown in FIGS. 1 to 4 and 6 , the drinking water purification device of the present invention further includes a front and rear composite filter housing 21 , and the front filter module and the rear filter module are both arranged in the front and rear composite filter housing 21 .

Through such an arrangement, the pre-filter element module and the post-filter element module are integrated into the front and rear composite filter element housing 21 to form a front and rear composite filter element, which can improve the integrity of the filter assembly and thus facilitate the improvement of the assembly efficiency of the drinking water purification equipment.

It should be noted that the drinking water purification device of the present invention has a water purification mode, a pure water mode, a high temperature sterilization mode and an automatic flushing mode. The working modes of the drinking water purification device of the present invention are described in detail below in conjunction with Figures 2 and 4.

As shown in FIG2 , the drinking water purification device of the present invention is in pure water mode, the heating module 1 is turned off, the user operates the water outlet component and connects the first interface 61 with the water outlet pipe 63, the high-pressure switch 7 detects a pressure drop in the pipeline, and when the signal is transmitted to the booster pump 4 and the water inlet solenoid valve 3, the booster pump 4 and the water inlet solenoid valve 3 can be started immediately, and the raw water enters the heating chamber through the water inlet 101, and then enters the pre-filter module from the water inlet end 2211 of the pre-filter module, the pre-filter module filters the raw water, removes the silt and impurities in the raw water, and then flows out from the water outlet end of the pre-filter module. 2212 flows out, and then is pumped into the reverse osmosis membrane filter element 21 through the water inlet end 211 of the reverse osmosis membrane filter element under the action of the booster pump 4 for filtration. The filtered water flows out from the water outlet end 212 of the reverse osmosis membrane filter element, and flows into the post-filter element module through the water inlet end 2221 of the post-filter element module to improve the taste, and then flows out from the first interface 61 of the water outlet component through the water outlet pipe 63 to prepare pure water. The user can directly drink the prepared pure water. The unfiltered concentrated water flows out from the waste water end 213 of the reverse osmosis membrane filter element through the waste water proportional valve 5, and is finally discharged to the outside of the drinking water purification device through the waste water outlet 104.

As shown in Figure 3, the drinking water purification device of the present invention is in the water purification mode, the heating module 1 is turned off, the water inlet solenoid valve 3 and the booster pump 4 are turned off, the user operates the water outlet component and connects the second interface 62 with the water outlet pipe 63, the raw water enters the heating chamber through the water inlet 101, and then enters the pre-filter module from the water inlet end 2211 of the pre-filter module, the pre-filter module filters the raw water, removes the mud and impurities in the raw water, and flows out from the water outlet end 2212 of the pre-filter module, and then flows to the water outlet component and flows out from the second interface 62 of the water outlet component through the water outlet pipe 63 to prepare clean water, and the user can use the prepared clean water to wash fruits and vegetables.

As shown in Figure 4, when the heating module 1 is not started, the drinking water purification device of the present invention is in a high-temperature sterilization mode, the wastewater proportional valve 5 is opened, and the raw water enters the heating chamber through the water inlet 101. The heating module 1 heats the water entering the heating chamber and heats it to the set water temperature. The hot water in the heating chamber flows through the pre-filter module, the water inlet solenoid valve 3, the booster pump 4 and the reverse osmosis membrane filter element 21 in sequence, flushing the surface of the reverse osmosis membrane filter element 21 to remove bacteria and other harmful substances on the membrane surface. The wastewater generated by flushing flows out from the wastewater end 213 of the reverse osmosis membrane filter element through the wastewater proportional valve 5, and is finally discharged to the outside of the drinking water purification device through the wastewater port 104.

It should be noted that, in actual applications, the drinking water purifier equipment can be sterilized at set intervals, or it can be sterilized regularly, such as sterilizing the drinking water purifier equipment during a time period when the frequency of use of the drinking water purifier equipment is low, etc. Such adjustments and changes to the sterilization method of the drinking water purifier equipment do not deviate from the principle and scope of the present utility model, and should be included in the protection scope of the present utility model.

Preferably, the drinking water purification device is sterilized during a time period when the drinking water purification device is less frequently used.

As shown in Figure 4, when the heating module 1 is not started, the drinking water purification device of the present invention is in automatic flushing mode, the heating module 1 is closed, the wastewater proportional valve 5 is fully open, and the raw water enters the heating chamber through the water inlet 101, and then enters the pre-filter module, the water inlet solenoid valve 3, the booster pump 4 and the reverse osmosis membrane filter element 21 in turn. The water filtered by the pre-filter module quickly flushes the membrane surface to achieve automatic flushing of the reverse osmosis membrane filter element 21.

Specifically, the automatic flushing mode is activated in the following situations.

Case 1: After the drinking water purification device is powered on, it automatically rinses for 3 minutes;

Situation 2: After the drinking water purification equipment has accumulated and continuously produced water for 10 minutes, it will be automatically flushed;

Case 3: During manual flushing, flush for 1 minute;

Case 3: After the water purification device has been in standby mode for 48 hours, it will automatically flush for 1 minute.

So far, the technical solution of the present utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present utility model is obviously not limited to these specific embodiments. Without departing from the principle of the present utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present utility model.

Claims (10)

1. A water system for a drinking water purification device, characterized in that the water system includes a heating module and a filter assembly, the heating module has a heating chamber, the heating module is configured to heat water entering the heating chamber, and the filter assembly is arranged at the downstream end of the heating module so that the hot water in the heating chamber flows into the filter assembly to sterilize the filter assembly. 2. The water circuit system for a drinking water purification device according to claim 1 is characterized in that the filter assembly includes a reverse osmosis membrane filter element, the water inlet end of the reverse osmosis membrane filter element is connected to the water outlet end of the heating chamber, the water circuit system also includes a booster pump, a wastewater proportional valve and a water outlet component, the booster pump is arranged on the flow path between the water inlet end of the reverse osmosis membrane filter element and the water outlet end of the heating chamber, the wastewater end of the reverse osmosis membrane filter element is connected to the wastewater proportional valve, and the water outlet end of the reverse osmosis membrane filter element is connected to the water outlet component. 3. The water system for a drinking water purification device according to claim 2 is characterized in that the filter assembly also includes a pre-filter element module, the water inlet end of the pre-filter element module is connected to the water outlet end of the heating chamber, and the water outlet end of the pre-filter element module is connected to the water inlet end of the reverse osmosis membrane filter element. 4. The water system for a drinking water purification device according to claim 3 is characterized in that the water system also includes a water inlet solenoid valve, which is arranged on the flow path between the water outlet end of the pre-filter module and the water inlet end of the reverse osmosis membrane filter element, and the water outlet end of the pre-filter module can also be connected to the water outlet component. 5. The water system for drinking water purification equipment according to claim 4 is characterized in that the filter assembly also includes a post-filter element module, the water outlet end of the reverse osmosis membrane filter element is connected to the water inlet end of the post-filter element module, and the water outlet end of the post-filter element module is connected to the water outlet component. 6. The water system for a drinking water purification device according to claim 5 is characterized in that the water system also includes a high-pressure switch, which is arranged on the flow path between the water outlet end of the post-filter module and the water outlet component, and the high-pressure switch is communicatively connected with the boost pump and the water inlet solenoid valve. 7. The water system for a drinking water purification device according to claim 2 is characterized in that the water system also includes a temperature detection component, which is arranged at the upstream end of the reverse osmosis membrane filter element and is used to detect the temperature of water flowing into the reverse osmosis membrane filter element. 8. The water system for drinking water purification equipment according to any one of claims 1 to 7, characterized in that the heating module is an instant thick film heating tube, the heating chamber is formed in the instant thick film heating tube, and the instant thick film heating tube can heat the water entering the heating chamber. 9. A drinking water purification device, characterized in that the drinking water purification device comprises the water channel system for drinking water purification device according to any one of claims 3 to 6. 10. The drinking water purification device according to claim 9 is characterized in that the drinking water purification device further comprises a front and rear composite filter cartridge housing, and the front filter cartridge module and the rear filter cartridge module are both arranged in the front and rear composite filter cartridge housing.