Reverse osmosis water purification system

By placing the instant heating module at the raw water inlet in the reverse osmosis water purifier to heat the raw water and increase the water production, and by using a mixing valve to adjust the outlet water temperature, the problems of reduced water production at low temperatures and inflexible outlet water temperature are solved, achieving the dual effect of increased water production and temperature regulation.

CN223525313UActive Publication Date: 2025-11-07GUANGDONG MACRO GAS APPLIANCE
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Patent Information

Application Number
CN202422734866.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-11-07
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Existing reverse osmosis water purifiers have reduced water production at low temperatures and inflexible outlet water temperature adjustment, resulting in a poor user experience.

Method used

The instant heating module is placed at the raw water inlet of the reverse osmosis filter cartridge. The instant heating module heats the raw water to increase the water temperature, and the mixing valve is used to output water at different temperatures.

Benefits of technology

This increases the water production of reverse osmosis water purifiers and meets users' needs for water at different temperatures, thus improving the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a reverse osmosis water purification system, and relates to the technical field of water purification, the reverse osmosis water purification system comprises a reverse osmosis filter element, an instant heating module, a heat exchanger, a water mixing valve and a faucet, the heat exchanger comprises a first heat exchange flow channel and a second heat exchange flow channel; a purified water outlet of the reverse osmosis filter element is connected with an inlet of the first heat exchange flow channel, an outlet of the first heat exchange flow channel is connected with an inlet of the instant heating module, and an outlet of the instant heating module is connected with an inlet of the second heat exchange flow channel, a raw water inlet of the reverse osmosis filter element and a first water inlet of the water mixing valve. An outlet of the second heat exchange runner is connected with a second water inlet of the water mixing valve, and a water outlet of the water mixing valve is connected with the faucet. The water purification amount of the reverse osmosis filter element can be increased, and the requirements of users for water at different water temperatures can be met.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water purification, in particular to a reverse osmosis water purification system. BACKGROUND

[0002] At present, reverse osmosis water purifiers have been widely used in thousands of households. However, due to the increase in water viscosity at low temperature, the water production of reverse osmosis decreases at low temperature. Starting from 25℃, the water production decreases by about 4% for every 1℃ decrease. At 10℃, the water production is less than 60% of that at 25℃, and the user experience is poor. At the same time, pure water at 10℃ is too cold to be directly drunk, and needs to be heated to 25℃ or boiled before drinking.

[0003] In order to increase the water production of the reverse osmosis water purifier, the existing technology preheats the tap water to increase the water temperature and thus increase the water production.

[0004] However, the applicant found that the heating module in the existing technology is placed in front of the reverse osmosis filter core, which makes it inconvenient to adjust the water temperature and low in flexibility. CONTENT OF THE INVENTION

[0005] The present application provides a reverse osmosis water purification system to solve the problem that the heating module in the existing technology is placed in front of the reverse osmosis filter core, which makes it inconvenient to adjust the water temperature and low in flexibility.

[0006] In a first aspect, the present application provides a reverse osmosis water purification system, comprising a reverse osmosis filter core, an instant heating module, a heat exchanger, a water mixing valve and a faucet, the heat exchanger comprising a first heat exchange flow channel and a second heat exchange flow channel; the water outlet of the reverse osmosis filter core is connected with the inlet of the first heat exchange flow channel, the outlet of the first heat exchange flow channel is connected with the inlet of the instant heating module, the outlet of the instant heating module is connected with the inlet of the second heat exchange flow channel, the raw water inlet of the reverse osmosis filter core and the first water inlet of the water mixing valve, the outlet of the second heat exchange flow channel is connected with the second water inlet of the water mixing valve, and the water outlet of the water mixing valve is connected with the faucet.

[0007] Further technical solutions are that the reverse osmosis water purification system further comprises a first check valve; the outlet of the instant heating module is connected with the first water inlet of the water mixing valve through a first pipeline, the first pipeline is connected with the raw water inlet of the reverse osmosis filter core through a second pipeline, the first check valve is arranged on the second pipeline, and the first check valve is configured to allow water to flow from the outlet of the instant heating module to the raw water inlet of the reverse osmosis filter core in one direction.

[0008] Further technical solutions are that the reverse osmosis water purification system further comprises a booster pump, and the outlet of the booster pump is connected with the raw water inlet of the reverse osmosis filter core.

[0009] Further, the reverse osmosis water purification system further comprises a pressure relief valve, and the pressure relief valve is connected with the water outlet of the reverse osmosis filter core and the inlet of the booster pump respectively.

[0010] Further, the reverse osmosis water purification system further comprises a first electromagnetic valve and a pre-filter core, the inlet of the pre-filter core is connected with a water source, the outlet of the pre-filter core is connected with the inlet of the first electromagnetic valve, and the outlet of the first electromagnetic valve is connected with the inlet of the booster pump.

[0011] Further, the reverse osmosis water purification system further comprises a second electromagnetic valve, and the inlet of the second electromagnetic valve is connected with the wastewater outlet of the reverse osmosis filter core.

[0012] Further, the reverse osmosis water purification system further comprises a post-filter core and a second check valve, the water outlet of the reverse osmosis filter core is connected with the water inlet of the post-filter core, the second check valve is arranged between the water outlet of the reverse osmosis filter core and the inlet of the post-filter core, and the second check valve is configured to enable water to flow from the water outlet of the reverse osmosis filter core to the inlet of the post-filter core in a unidirectional manner.

[0013] Further, the reverse osmosis water purification system further comprises a high-pressure switch, a TDS meter, a water pump and a flow meter, the outlet of the post-filter core is connected with the inlet of the first heat exchange flow channel through a third pipeline, and the high-pressure switch, the TDS meter, the water pump and the flow meter are arranged on the third pipeline.

[0014] Further, the reverse osmosis water purification system further comprises a third electromagnetic valve, the inlet of the third electromagnetic valve is connected with the water outlet of the reverse osmosis filter core, and the outlet of the third electromagnetic valve is connected with the faucet.

[0015] Further, the reverse osmosis water purification system further comprises a pipeline machine, and the pipeline machine is connected with the water outlet of the reverse osmosis filter core.

[0016] Compared with the prior art, the above technical solution provided by the embodiment of the present application has the following advantages:

[0017] Through the above technical solution, on the one hand, the hot water generated by the instant heating module is delivered to the raw water inlet of the reverse osmosis filter core, so as to improve the water temperature and thus improve the water purification amount of the reverse osmosis module. On the other hand, by adjusting the water mixing valve, water of different temperatures such as boiling water, warm water and cold boiled water can be output, so as to meet different needs of users. It can be seen that the instant heating module not only plays a role in improving the raw water temperature of the reverse osmosis filter core to improve the water purification amount, but also meets the different water temperature needs of users. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application.

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, for those of ordinary skill in the art, without paying creative labor, other drawings can also be obtained from these drawings.

[0020] One or more embodiments are illustrated by way of example in the drawings that are associated with the description. These drawings do not limit the embodiments and serve only to illustrate the principles of the embodiments. Elements having the same reference number designates the same element throughout the drawings, unless otherwise indicated. The drawings in the accompanying drawings are not to scale.

[0021] Figure 1 A structure schematic diagram of a reverse osmosis water purification system according to an embodiment of the application.

[0022] Labeling of the drawings:

[0023] Reverse osmosis filter core 1, instant heating module 2, heat exchanger 3, water mixing valve 4, faucet 5, first check valve 6, booster pump 7, pressure relief valve 8, first electromagnetic valve 9, pre-filter core 10, second electromagnetic valve 11, post-filter core 12, second check valve 13, high-voltage switch 14, TDS meter 15, water pump 16, flow meter 17, third electromagnetic valve 18, pipeline machine 19, first pipeline 20, second pipeline 21, third pipeline 22, first heat exchange flow channel 23, and second heat exchange flow channel 24. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the application clearer, the technical solutions in the embodiments of the application will be described clearly and completely below in combination with the drawings in the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the application.

[0025] The following disclosure provides many different embodiments, or examples, for implementing different structures of the application. For the purpose of simplicity and clarity, specific details of certain embodiments are described in the following description. Of course, they are merely examples and are not intended to limit the application. In addition, the reference numbers and / or letters can be repeated in different examples. Such repetition is for the purpose of simplicity and clarity, and does not indicate a relationship between the various embodiments and / or arrangements being discussed.

[0026] For ease of description, spatial relative terms can be used herein to describe the relative position relationship or movement condition of one element or feature relative to another element or feature as shown in the drawings, such as "inner", "outer", "inboard", "outboard", "under", "below", "on", "above", "front", "back", and the like. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the drawings. For example, if the device in the drawings is turned over or the posture is changed or the movement state is changed, the directional indications will also change accordingly, for example: the element described as "under" or "below" another element or feature will be subsequently oriented as "above" or "above" another element or feature. Therefore, the example term "below" can include both upward and downward positions. The device can be additionally oriented (rotated by 90 degrees or in other directions) and the spatial relative relationship descriptors used herein are interpreted accordingly.

[0027] Referring to Figure 1 , Figure 1 A structure schematic diagram of a reverse osmosis water purification system provided by an embodiment of the present application; the reverse osmosis water purification system comprises a reverse osmosis filter core 1, an instant heating module 2, a heat exchanger 3, a water mixing valve 4, and a faucet 5. The specific structure is introduced as follows:

[0028] The heat exchanger 3 is used for realizing heat exchange. The heat exchanger 3 comprises a first heat exchange flow channel 23 and a second heat exchange flow channel 24. The instant heating module 2 is used for heating water, which can be specifically an instant heater. The faucet 5 can be specifically an intelligent faucet.

[0029] In the embodiment of the present application, the water purification outlet of the reverse osmosis filter core 1 is connected with the inlet of the first heat exchange flow channel 23, the outlet of the first heat exchange flow channel 23 is connected with the inlet of the instant heating module 2, the outlet of the instant heating module 2 is connected with the inlet of the second heat exchange flow channel 24, the raw water inlet of the reverse osmosis filter core 1, and the first water inlet of the water mixing valve 4, the outlet of the second heat exchange flow channel 24 is connected with the second water inlet of the water mixing valve 4, and the water outlet of the water mixing valve 4 is connected with the faucet 5.

[0030] Through the above technical solution, on the one hand, by delivering the hot water generated by the instant heating module 2 to the raw water inlet of the reverse osmosis filter core 1, the water temperature can be improved, thereby improving the water purification amount of the reverse osmosis module. On the other hand, by adjusting the water mixing valve 4, water of different temperatures such as boiling water, warm water, and cold boiled water can be output, meeting different needs of users. It can be seen that the instant heating module 2 not only plays a role in improving the raw water temperature of the reverse osmosis filter core 1, but also meets the different water temperature needs of users.

[0031] Further, in some embodiments, such as the present embodiment, the reverse osmosis water purification system further comprises a first check valve 6; an outlet of the instant heating module 2 is connected with a first water inlet of the water mixing valve 4 through a first pipeline 20, the first pipeline 20 is connected with a raw water inlet of the reverse osmosis filter core 1 through a second pipeline 21, the first check valve 6 is arranged on the second pipeline 21, and the first check valve 6 is configured to allow water to flow from the outlet of the instant heating module 2 to the raw water inlet of the reverse osmosis filter core 1 in a one-way manner.

[0032] Specifically, the first check valve 6 can effectively prevent raw water from flowing back to the water mixing valve 4, thereby greatly improving the water safety of users.

[0033] Further, the reverse osmosis water purification system further comprises a booster pump 7, and an outlet of the booster pump 7 is connected with the raw water inlet of the reverse osmosis filter core 1. The booster pump 7 can effectively increase the water pressure to avoid insufficient water pressure.

[0034] Further, the reverse osmosis water purification system further comprises a pressure relief valve 8, and the pressure relief valve 8 is connected with the water outlet of the reverse osmosis filter core 1 and the inlet of the booster pump 7 respectively. The pressure relief valve 8 has a pressure relief function to avoid excessively high water pressure.

[0035] Further, the reverse osmosis water purification system further comprises a first electromagnetic valve 9 and a pre-filter core 10, an inlet of the pre-filter core 10 is connected with a water source, an outlet of the pre-filter core 10 is connected with an inlet of the first electromagnetic valve 9, and an outlet of the first electromagnetic valve 9 is connected with the inlet of the booster pump 7.

[0036] In specific implementation, the pre-filter core 10 can be specifically a pre-PAC composite filter core and has a preliminary filtering function. The first electromagnetic valve 9 is used to control the on-off of water flow. The water source can be specifically tap water.

[0037] Further, the reverse osmosis water purification system further comprises a second electromagnetic valve 11, and an inlet of the second electromagnetic valve 11 is connected with a waste water outlet of the reverse osmosis filter core 1. The second electromagnetic valve 11 can timely discharge waste water of the reverse osmosis filter core 1 to ensure the water purification effect.

[0038] Further, the reverse osmosis water purification system further comprises a post-filter core 12 and a second check valve 13, a water outlet of the reverse osmosis filter core 1 is connected with a water inlet of the post-filter core 12, the second check valve 13 is arranged between the water outlet of the reverse osmosis filter core 1 and the inlet of the post-filter core 12, and the second check valve 13 is configured to allow water to flow from the water outlet of the reverse osmosis filter core 1 to the inlet of the post-filter core 12 in a one-way manner.

[0039] In specific implementation, the post-filter 12 can be a post-carbon filter. The second check valve 13 can prevent water from flowing back to the reverse osmosis filter 1.

[0040] Further, the reverse osmosis water purification system further comprises a high-pressure switch 14, a TDS meter 15, a water pump 16 and a flow meter 17. The outlet of the post-filter 12 is connected to the inlet of the first heat exchange flow channel 23 through a third pipeline 22. The high-pressure switch 14, the TDS meter 15, the water pump 16 and the flow meter 17 are arranged on the third pipeline 22.

[0041] In specific implementation, the high-pressure switch 14, the TDS meter 15, the water pump 16 and the flow meter 17 are sequentially connected between the post-filter 12 and the inlet of the first heat exchange flow channel 23.

[0042] The high-pressure switch 14 is used to automatically cut off the water path when the faucet 5 is closed, and automatically turn on the water path when the faucet 5 is opened.

[0043] The TDS meter 15 is used to measure water quality. The water pump 16 is used to pump water, which can be a diaphragm water pump 16. The flow meter 17 is used to measure water flow.

[0044] Further, the reverse osmosis water purification system further comprises a third electromagnetic valve 18. The inlet of the third electromagnetic valve 18 is connected to the purified water outlet of the reverse osmosis filter 1. The outlet of the third electromagnetic valve 18 is connected to the faucet 5. Specifically, the inlet of the third electromagnetic valve 18 is connected between the TDS meter 15 and the water pump 16. The third electromagnetic valve 18 is used to control the on-off of the water path of normal temperature water.

[0045] Further, the reverse osmosis water purification system further comprises a pipeline machine 19. The pipeline machine 19 is connected to the purified water outlet of the reverse osmosis filter 1. Specifically, the inlet of the pipeline machine 19 is connected between the TDS meter 15 and the water pump 16. The pipeline machine 19 can meet the various water needs of users.

[0046] Working principle of the embodiment

[0047] When the water inlet temperature is low and normal temperature water is taken, the instant heating module works and the water mixing valve does not work. The water after temperature rise enters the booster pump before the check valve, and the cold and hot water is mixed by the pump to raise the temperature of the water before the RO membrane, and then the water production rate is improved.

[0048] When the non-water inlet temperature is low and normal temperature water is taken, the instant heating module does not work and the system normally outputs water.

[0049] When hot water is taken and cold water is taken, the water mixing valve is opened, the hot water pressure does not reach the starting pressure of the check valve, and the water does not flow to the front of the booster pump, and the water can be normally output.

[0050] Examples of increasing the amount of purified water

[0051] When the water inlet temperature is low, the water before the RO membrane is heated by the instant heating module to increase the water production and outlet water temperature, and improve the user experience.

[0052] Assuming that the water inlet temperature is 10 degrees Celsius, the total flow rate is 3L / min, and 300mL of water is heated by the instant heating module and then returned to the front of the booster pump, then 2700mL of water is discharged from the faucet (assuming that the outlet flow rate is not increased); the 300mL of hot water at 100℃ passes through the instant heating module, and after mixing with the 2700mL of water at 10℃, the temperature reaches 19℃, and the outlet water temperature can be increased by 9℃.

[0053] By analogy, the RO membrane temperature compensation coefficient is increased by about 22% of the pure water volume.

[0054] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0055] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0056] In addition, the terms "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0057] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be connected, or it can be detachably connected, or it can be integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0058] In this application, unless otherwise explicitly specified and limited, "on" or "under" of a first feature with respect to a second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "over" of a first feature with respect to a second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in horizontal level than the second feature. "Under", "below" and "underneath" of a first feature with respect to a second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is lower in horizontal level than the second feature.

[0059] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. The illustrative description of the above terms in the specification should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in the specification.

[0060] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, these modifications and variations of the present application, which are within the scope of the claims of the present application and their equivalents, are intended to be included in the present application.

[0061] The above is a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A reverse osmosis water purification system, characterized by, The reverse osmosis water purification system comprises a reverse osmosis filter, a direct heating module, a heat exchanger, a water mixing valve and a faucet, the heat exchanger comprises a first heat exchange flow channel and a second heat exchange flow channel, the water outlet of the reverse osmosis filter is connected with the inlet of the first heat exchange flow channel, the outlet of the first heat exchange flow channel is connected with the inlet of the direct heating module, the outlet of the direct heating module is connected with the inlet of the second heat exchange flow channel, the water inlet of the reverse osmosis filter and the first water inlet of the water mixing valve, the outlet of the second heat exchange flow channel is connected with the second water inlet of the water mixing valve, and the water outlet of the water mixing valve is connected with the faucet.

2. The reverse osmosis water purification system of claim 1, wherein, The reverse osmosis water purification system further comprises a first check valve, the outlet of the direct heating module is connected with the first water inlet of the water mixing valve through a first pipeline, the first pipeline is connected with the raw water inlet of the reverse osmosis filter through a second pipeline, the first check valve is arranged on the second pipeline, and the first check valve is configured to allow water to flow from the outlet of the direct heating module to the raw water inlet of the reverse osmosis filter in one direction.

3. The reverse osmosis water purification system of claim 1, wherein, The reverse osmosis water purification system further comprises a booster pump, and the outlet of the booster pump is connected with the raw water inlet of the reverse osmosis filter.

4. The reverse osmosis water purification system of claim 3, wherein, The reverse osmosis water purification system further comprises a pressure relief valve, and the pressure relief valve is connected with the water outlet of the reverse osmosis filter and the inlet of the booster pump respectively.

5. The reverse osmosis water purification system of claim 3, wherein, The reverse osmosis water purification system further comprises a first electromagnetic valve and a pre-filter, the inlet of the pre-filter is connected with a water source, the outlet of the pre-filter is connected with the inlet of the first electromagnetic valve, and the outlet of the first electromagnetic valve is connected with the inlet of the booster pump.

6. The reverse osmosis water purification system of claim 1, wherein, The reverse osmosis water purification system further comprises a second electromagnetic valve, and the inlet of the second electromagnetic valve is connected with the waste water outlet of the reverse osmosis filter.

7. The reverse osmosis water purification system of claim 1, wherein, The reverse osmosis water purification system further comprises a post-filter and a second check valve, the water outlet of the reverse osmosis filter is connected with the water inlet of the post-filter, the second check valve is arranged between the water outlet of the reverse osmosis filter and the inlet of the post-filter, and the second check valve is configured to allow water to flow from the water outlet of the reverse osmosis filter to the inlet of the post-filter in one direction.

8. The reverse osmosis water purification system of claim 7, wherein, The reverse osmosis water purification system further comprises a high-pressure switch, a TDS meter, a water pump and a flow meter, the outlet of the post-filter is connected with the inlet of the first heat exchange flow channel through a third pipeline, and the high-pressure switch, the TDS meter, the water pump and the flow meter are arranged on the third pipeline.

9. The reverse osmosis water purification system of claim 1, wherein, The reverse osmosis water purification system further comprises a third electromagnetic valve, the inlet of the third electromagnetic valve is connected with the water outlet of the reverse osmosis filter, and the outlet of the third electromagnetic valve is connected with the faucet.

10. The reverse osmosis water purification system of claim 1, wherein, The reverse osmosis water purification system further comprises a pipeline machine, and the pipeline machine is connected with the water outlet of the reverse osmosis filter.