Pump-free pure water purification system capable of discharging pure water without delay and pump-free water purifier

Abstract

The utility model relates to the technical field of water purification equipment, in particular to a non-delayed pure water outlet purification system, namely a non-pump water purifier, which comprises a reverse osmosis filter, and a raw water inlet of the reverse osmosis filter is connected with a raw water pipeline through a first control device; a wastewater outlet of the reverse osmosis filter is connected with a wastewater pipeline through a second control device; a pure water outlet of the reverse osmosis filter is connected with a transition pipeline through a second control device, and the transition pipeline is connected with a pure water pipeline through a first control device; according to the pure water pressure of the transition pipeline and / or the reverse osmosis filter, the first control device can control the raw water inlet to be communicated with or disconnected from the raw water pipeline, and synchronously, the second control device can control the waste water outlet to be communicated with or disconnected from the waste water pipeline. The water pressure of the pure water in the system can be kept, so that the instantaneous water outlet of the pure water can be realized. In addition, the system can be in a non-pressure state in the non-operation period, pressure impact on equipment such as a filter bottle is avoided, and the service life of the equipment can be prolonged.

Description

Technical Field

[0001] This utility model relates to the field of water purification equipment technology, specifically to a water purification system with no delay in pure water output and a pump-free water purifier. Background Technology

[0002] As people pay more attention to the health of their drinking water, water purification equipment is gradually coming into view.

[0003] For example, Chinese patent CN111252855B discloses a water system and a water purification device. Figure 1 As shown, the water system has a first water outlet state and a second water outlet state. The water system includes: a purified water path, a drain water path, a connecting water path, and a control module. The control module is used to control the water system to switch between the first water outlet state and the second water outlet state. Since the water system proposed in this application has a first water outlet state and a second water outlet state, when the water system is in the first water outlet state, the raw water flows into the reverse osmosis filtration device.

[0004] Due to issues such as noise generated during pump operation, a pumpless water purification device has emerged in the existing technology. However, in such pumpless water purifiers, after the pure water tap is turned off for a period of time, the wastewater produced is always flowing out, which prevents the water in the filter bottle from being fully filled. Therefore, when the machine is turned on again, pure water will only come out after a 3-5 second delay after the pure water tap is opened, which is obviously inconvenient for users. Utility Model Content

[0005] To address the problem that existing pumpless water purification devices cannot immediately dispense pure water after turning on the tap, the purpose of this invention is to provide a water purification system with no delay in dispensing pure water, or a pumpless water purifier.

[0006] The technical solution provided by this utility model is as follows:

[0007] In one aspect, a water purification system with no delay in pure water output includes a reverse osmosis filter, which is used to filter raw water and produce pure water and wastewater.

[0008] The raw water inlet of the reverse osmosis filter is connected to the raw water pipeline through the first control device;

[0009] The wastewater outlet of the reverse osmosis filter is connected to the wastewater pipeline of the second control device;

[0010] The pure water outlet of the reverse osmosis filter is connected to the transition pipeline via a second control device, and the transition pipeline is connected to the pure water pipeline via a first control device.

[0011] A third control device is installed on the pure water pipeline. This third control device is used to control the on / off state of the pure water pipeline.

[0012] The transition pipeline and / or reverse osmosis filter can store pure water;

[0013] Based on the pure water pressure of the transition pipeline and / or reverse osmosis filter, the first control device can control the connection or disconnection of the raw water inlet with the raw water pipeline, and simultaneously, the second control device can control the connection or disconnection of the wastewater outlet with the wastewater pipeline.

[0014] As an optional technical solution in the first aspect, the first control device and the second control device are respectively a first four-sided valve and a second four-sided valve;

[0015] in:

[0016] The raw water pipeline is connected to the first inlet of the first four-way valve, the raw water inlet is connected to the first outlet of the first four-way valve, and the first outlet of the first four-way valve corresponds to the first inlet.

[0017] One end of the transition pipeline is connected to the second inlet of the first four-way valve, and the pure water pipeline is connected to the second outlet of the first four-way valve. The second outlet of the first four-way valve corresponds to the second inlet.

[0018] The wastewater outlet is connected to the first inlet of the second four-way valve, the wastewater pipeline is connected to the first outlet of the second four-way valve, and the first outlet of the second four-way valve corresponds to the first inlet;

[0019] The pure water outlet is connected to the second inlet of the second four-way valve, and the other end of the transition pipeline is connected to the second outlet of the second four-way valve. The second outlet of the second four-way valve corresponds to the second inlet.

[0020] As an optional technical solution in the first aspect, it also includes a pre-filter; the pre-filter is installed on the pipeline between the raw water inlet and the first control device; or, the pre-filter is installed on the raw water pipeline.

[0021] Optionally, the pre-filter includes a pre-filter housing, and the filter element disposed inside the pre-filter housing is a filter screen or an activated carbon rod covered with PP cotton.

[0022] As an optional technical solution in the first aspect, it also includes a post-filter; the post-filter is installed on the pipeline between the pure water outlet and the second control device; or the post-filter is installed on the transition pipeline; or the post-filter is installed on the pure water pipeline.

[0023] Optionally, the post-filter includes a post-filter housing, and the filter element disposed inside the post-filter housing is an activated carbon filter element.

[0024] As an optional technical solution in the first aspect, it also includes a wastewater valve; the wastewater valve is installed on the pipeline between the wastewater outlet and the second control device; or the wastewater valve is installed on the wastewater pipeline.

[0025] As an optional technical solution in the first aspect, the third control device is a solenoid valve or a manual valve.

[0026] Secondly, a pump-free water purifier includes the delayed pure water purification system described in the first aspect or any optional technical solution of the first aspect.

[0027] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0028] This invention includes a first control device and a second control device. When the pure water faucet is closed, water will continuously flow in and produce wastewater and pure water for a period of time, causing the water pressure at the pure water end of the system to rise. Once the pure water pressure reaches a set value, the first control device can be used to close the water inlet, and the second control device can be used to close the wastewater outlet, thus maintaining the pure water pressure in the system. When the third control device is reopened, pure water will flow out instantly. Furthermore, because the water inlet is cut off, the system remains pressure-free when not in operation, preventing pressure shocks to filter bottles and other equipment, thus extending the service life of such equipment. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of a waterway system in the prior art;

[0030] Figure 2 This is a schematic diagram of a water purification system in one embodiment of this application, where the wastewater valve is located in the pipeline between the wastewater outlet and the second control device.

[0031] Figure 3 for Figure 2 Schematic diagram of water flow direction in the water purification system;

[0032] Figure 4 This is a schematic diagram of a water purification system in one embodiment of this application, where the wastewater valve is installed in the wastewater pipeline;

[0033] Figure 5 This is a schematic diagram of a water purification system in one embodiment of this application, where the post-filter is installed in the transition pipeline;

[0034] Figure 6 This is a schematic diagram of a water purification system in one embodiment of this application, where a post-filter is installed in a pure water pipeline.

[0035] Explanation of the labels in the diagram:

[0036] First control device 101, second control device 102;

[0037] Pre-filter 201, reverse osmosis filter 202, post-filter 203;

[0038] Raw water pipeline 301, raw water inlet 302, wastewater outlet 304, wastewater valve 305, wastewater pipeline 307, pure water outlet 308, transition pipeline 310, pure water pipeline 311, third control device 312. Detailed Implementation

[0039] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings and embodiments.

[0040] The structures, proportions, and sizes illustrated in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art in understanding and reading the invention. They are not intended to limit the scope of the invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of the invention, should still fall within the scope of the technical content disclosed in this utility model. Furthermore, terms such as "upper," "lower," "left," "right," and "middle" used in this specification are merely for clarity and not intended to limit the scope of implementation. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the invention's implementation.

[0041] In one embodiment, such as Figure 2-6 As shown, this application proposes a zero-delay pure water purification system. This system is applicable to pump-free water purification systems. Specifically, the system includes a reverse osmosis filter 202, which filters raw water and produces pure water and wastewater. Accordingly, the reverse osmosis filter 202 has a raw water inlet 302, a wastewater outlet 304, and a pure water outlet 308. Water enters through the raw water inlet 302, wastewater produced by the reverse osmosis filter 202 flows out from the wastewater outlet 304, and pure water produced by the reverse osmosis filter 202 flows out from the pure water outlet 308.

[0042] In this scheme, the system also includes a first control device 101 and a second control device 102. Specifically, the raw water inlet 302 is connected to the raw water pipeline 301 through the first control device 101. The raw water inlet 302 and the raw water pipeline 301 can be directly connected through the first control device 101. Other equipment, including the first control device 101, can also be installed between the raw water inlet 302 and the raw water pipeline 301. The wastewater outlet 304 is connected to the wastewater pipeline 307 through the second control device 102. The wastewater outlet 304 and the wastewater pipeline 307 can be directly connected through the second control device 102. Other equipment, including the second control device 102, can also be installed between the wastewater outlet 304 and the wastewater pipeline 307.

[0043] The first control device 101 and the second control device 102 can control the opening and closing of the pipelines. For example, the first control device 101 can connect the raw water pipeline 301 to the raw water inlet 302, allowing raw water from the raw water pipeline 301 to enter the raw water inlet 302. Alternatively, the first control device 101 can disconnect the raw water pipeline 301 from the raw water inlet 302, preventing raw water from entering the raw water inlet 302. Similarly, the second control device 102 can connect the wastewater outlet 304 to the wastewater pipeline 307, allowing wastewater from the wastewater outlet 304 to flow out of the wastewater pipeline 307. Alternatively, the second control device 102 can disconnect the wastewater outlet 304 from the wastewater pipeline 307, preventing wastewater from entering the wastewater pipeline 307. When raw water no longer enters the reverse osmosis filter 202, and the wastewater produced in the reverse osmosis filter 202 can no longer flow out, the filter bottle made of the reverse osmosis filter 202 can maintain the pure water pressure.

[0044] As an optional technical solution, the pure water outlet 308 of the reverse osmosis filter 202 is connected to the transition pipe 310 through the second control device 102. The pure water outlet 308 and the transition pipe 310 can be directly connected through the second control device 102. Other equipment, including the second control device 102, can also be installed between the pure water outlet 308 and the transition pipe 310.

[0045] The transition pipe 310 is connected to the pure water pipe 311 via the first control device 101. The transition pipe 310 can be directly connected to the pure water pipe 311 via the first control device 101. Other equipment, including the first control device 101, can also be installed between the transition pipe 310 and the pure water pipe 311. It should be noted that the pure water flowing from the pure water outlet 308 will enter the pure water pipe 311 through the transition pipe 310; the pure water will not come into contact with the raw water or wastewater. Furthermore, it should be noted that the transition pipe 310 can be a single water pipe or a pure water flow path including various components such as a water tank.

[0046] A third control device 312 is installed on the pure water pipeline 311. This third control device 312 is used to control the opening and closing of the pure water pipeline 311. When the pure water pipeline 311 is connected to the transition pipeline 310 through the third control device 312, the pure water produced by the reverse osmosis filter 202 can flow into the pure water pipeline 311.

[0047] Generally, the reverse osmosis filter 202 consists of filter media such as a reverse osmosis membrane installed inside a bottle-shaped housing to form a filter bottle, which can store a certain amount of pure water. Optionally, the transition pipe 310 can also store a certain amount of pure water. If, after the pure water pipe 311 and the transition pipe 310 are disconnected by the third control device 312, a certain amount of pure water is still retained in the transition pipe 310 and the reverse osmosis filter 202, and the pressure of this pure water is sufficient to meet the usage requirements, then when the pure water pipe 311 and the transition pipe 310 are reconnected by the third control device 312, the pure water will enter the pure water pipe 311 at a faster speed due to the higher pressure of the pure water in the transition pipe 310, thus achieving the effect of zero-delay pure water output and improving the user experience.

[0048] It should be noted that when the pure water pipeline 311 and the transition pipeline 310 are disconnected by the third control device 312, if the system wastewater continues to flow out, it is difficult to maintain the pure water pressure in the pure water channel of the system. Therefore, in the solution proposed in this application, based on the pure water pressure of the transition pipeline 310 and / or the reverse osmosis filter 202, the first control device 101 can control the connection or disconnection between the raw water inlet 302 and the raw water pipeline 301, and simultaneously, the second control device 102 can control the connection or disconnection between the wastewater outlet 304 and the wastewater pipeline 307.

[0049] When the pure water pipeline 311 and the transition pipeline 310 are disconnected by the third control device 312, i.e., after the user stops using pure water, the first control device 101 controls the raw water inlet 302 to connect with the raw water pipeline 301, and the second control device 102 controls the wastewater outlet 304 to connect with the wastewater pipeline 307. At this time, the system still continues to receive water, meaning that raw water will still enter the reverse osmosis filter 202. The wastewater produced by the reverse osmosis filter 202 after filtering the raw water will flow into the wastewater pipeline 307, and the pure water produced will enter the transition pipeline 310. It should be noted that the pure water entering the transition pipe 310 at this time will not flow out of the system. The pure water in the transition pipe 310 and the reverse osmosis filter 202 will gradually accumulate, and the pure water pressure will rise. When the pure water pressure rises to a certain pressure value, the first control device 101 controls the raw water inlet 302 to be cut off from the raw water pipe 301. Simultaneously, the second control device 102 controls the wastewater outlet 304 to be cut off from the wastewater pipe 307. At this time, the raw water will not enter the system, that is, no water will enter, and the wastewater will no longer flow into the wastewater pipe 307. At this time, the entire system is in a "closed" state, and the pure water stored in the transition pipe 310 and the reverse osmosis filter 202 will continue to maintain a high water pressure. When the pure water pipeline 311 and the transition pipeline 310 are connected again through the third control device 312, the pure water will enter the pure water pipeline 311 at a faster speed because the pure water pressure in the transition pipeline 310 and / or the reverse osmosis filter 202 is higher, thus achieving the effect of pure water output without delay.

[0050] As an optional technical solution, the first control device 101 and the second control device 102 can use a four-way valve to achieve the above control function, that is, the first control device 101 and the second control device 102 are the first four-way valve and the second four-way valve, respectively.

[0051] Specifically, the raw water pipeline 301 is connected to the first inlet of the first four-way valve, the raw water inlet 302 is connected to the first outlet of the first four-way valve, and the first outlet of the first four-way valve corresponds to the first inlet. One end of the transition pipeline 310 is connected to the second inlet of the first four-way valve, and the pure water pipeline 311 is connected to the second outlet of the first four-way valve, and the second outlet of the first four-way valve corresponds to the second inlet.

[0052] When the water pressure in the flow channel formed by the second inlet and the second outlet of the first four-sided valve reaches the corresponding value, the flow channel formed by the first inlet and the first outlet of the first four-sided valve will be cut off.

[0053] Wastewater outlet 304 is connected to the first inlet of the second four-way valve, and wastewater pipeline 307 is connected to the first outlet of the second four-way valve, with the first outlet of the second four-way valve corresponding to the first inlet. Pure water outlet 308 is connected to the second inlet of the second four-way valve, and the other end of transition pipeline 310 is connected to the second outlet of the second four-way valve, with the second outlet of the second four-way valve corresponding to the second inlet.

[0054] When the water pressure in the flow channel formed by the second inlet and the second outlet of the second four-sided valve reaches the corresponding value, the flow channel formed by the first inlet and the first outlet of the second four-sided valve will be cut off.

[0055] The specific structure of the four-way valve is relatively mature in existing technology, and will not be described in detail here.

[0056] In one alternative technical solution, the water purification system further includes a pre-filter 201, which can be installed on the pipeline between the raw water inlet 302 and the first control device 101. Figure 2-6 As shown. The pre-filter 201 can also be installed on the raw water pipe 301 (not shown in the figure).

[0057] The pre-filter 201 includes a pre-filter housing, inside which is a filter screen or an activated carbon rod covered with PP cotton. The pre-filter 201 can filter out sediment, bacteria, and other substances from the raw water.

[0058] In one alternative technical solution, the water purification system also includes a post-filter 203, which has the following three installation locations:

[0059] (1) As Figure 2 , 3As shown in Figure 4, the post-filter 203 is installed on the pipeline between the pure water outlet 308 and the second control device 102;

[0060] (2) Figure 5 As shown, the post-filter 203 is installed on the transition pipe 310;

[0061] (3) Figure 6 As shown, the post-filter 203 is installed on the pure water pipeline 311.

[0062] The post-filter 203 includes a post-filter housing, inside which is an activated carbon filter element. The activated carbon filter element can filter organic matter, residual chlorine, and other radioactive substances from pure water, and also removes odors.

[0063] In one alternative technical solution, the water purification system also includes a wastewater valve 305, which can be used to regulate the wastewater flow rate. The wastewater valve 305 has the following two installation locations:

[0064] (1) As Figure 2-3 As shown, the wastewater valve 305 is installed on the pipeline between the wastewater outlet 304 and the second control device 102;

[0065] (2) Figure 4-6 As shown, wastewater valve 305 is installed on wastewater pipeline 307.

[0066] Optionally, the third control device 312 can be a solenoid valve or a manual valve, meaning the third control device 312 functions as a pure water tap. When the third control device 312 is a solenoid valve, the entire unit can be electrically controlled to control the flow of pure water. When the third control device 312 is a manual valve, the entire unit is manually controlled to control the flow of pure water.

[0067] In one embodiment, this application also proposes a pumpless water purifier, which includes the above-described delay-free pure water purification system.

[0068] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A water purification system with no delay in pure water output, comprising a reverse osmosis filter (202) for filtering raw water and producing pure water and wastewater; Its features are: The raw water inlet (302) of the reverse osmosis filter (202) is connected to the raw water pipeline (301) through the first control device (101); The wastewater outlet (304) of the reverse osmosis filter (202) is connected to the wastewater pipeline (307) through the second control device (102); The pure water outlet (308) of the reverse osmosis filter (202) is connected to the transition pipeline (310) through the second control device (102), and the transition pipeline (310) is connected to the pure water pipeline (311) through the first control device (101); A third control device (312) is installed on the pure water pipeline (311), which is used to control the on / off state of the pure water pipeline (311); The transition pipe (310) and / or reverse osmosis filter (202) are capable of storing pure water; Based on the pure water pressure of the transition pipeline (310) and / or the reverse osmosis filter (202), the first control device (101) can control the connection or disconnection of the raw water inlet (302) and the raw water pipeline (301), and simultaneously, the second control device (102) can control the connection or disconnection of the wastewater outlet (304) and the wastewater pipeline (307).

2. The water purification system with no delay in pure water output according to claim 1, characterized in that: The first control device (101) and the second control device (102) are respectively the first four-sided valve and the second four-sided valve; in: The raw water pipeline (301) is connected to the first inlet of the first four-sided valve, and the raw water inlet (302) is connected to the first outlet of the first four-sided valve. The first outlet of the first four-sided valve corresponds to the first inlet. One end of the transition pipeline (310) is connected to the second inlet of the first four-sided valve, and the pure water pipeline (311) is connected to the second outlet of the first four-sided valve. The second outlet of the first four-sided valve corresponds to the second inlet. Wastewater outlet (304) is connected to the first inlet of the second four-sided valve, and wastewater pipeline (307) is connected to the first outlet of the second four-sided valve. The first outlet of the second four-sided valve corresponds to the first inlet. The pure water outlet (308) is connected to the second inlet of the second four-way valve, and the other end of the transition pipe (310) is connected to the second outlet of the second four-way valve. The second outlet of the second four-way valve corresponds to the second inlet.

3. The zero-delay pure water purification system according to claim 1, characterized in that: It also includes a pre-filter (201); A pre-filter (201) is installed on the pipeline between the raw water inlet (302) and the first control device (101); or, The pre-filter (201) is installed on the raw water pipeline (301).

4. The water purification system with no delay in pure water output according to claim 3, characterized in that: The pre-filter (201) includes a pre-filter housing, and the filter element inside the pre-filter housing is a filter screen or an activated carbon rod covered with PP cotton.

5. The zero-delay pure water purification system according to claim 1, characterized in that: It also includes a post-filter (203); A post-filter (203) is installed on the pipeline between the pure water outlet (308) and the second control device (102); or, The post-filter (203) is installed on the transition pipe (310); or, The post-filter (203) is installed on the pure water pipeline (311).

6. The zero-delay pure water purification system according to claim 5, characterized in that: The post-filter (203) includes a post-filter housing, and the filter element inside the post-filter housing is an activated carbon filter element.

7. The zero-delay pure water purification system according to claim 1, characterized in that: It also includes a wastewater valve (305); The wastewater valve (305) is installed on the pipeline between the wastewater outlet (304) and the second control device (102); or, Wastewater valve (305) is installed on wastewater pipeline (307).

8. The zero-delay pure water purification system according to claim 1, characterized in that: The third control device (312) is a solenoid valve or a manual valve.

9. A pump-free water purifier, characterized in that: Including the delayed pure water purification system as described in any one of claims 1-8.

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