CN217988549U

CN217988549U - Cleaning system and purifier of filter core parallel mechanism

Info

Publication number: CN217988549U
Application number: CN202222422923.9U
Authority: CN
Inventors: 陈小平; 陈佳伟; 韦群; 詹兴; 王世雄
Original assignee: Guangdong Lizi Technology Co Ltd
Current assignee: Guangdong Lizi Technology Co Ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-09
Anticipated expiration: 2032-09-09

Abstract

The utility model relates to a filter core parallel mechanism's cleaning system and device. The cleaning system comprises a gas-liquid mixing mechanism, a foaming mechanism and a filtering mechanism, wherein the gas-liquid mixing mechanism can mix input gas and liquid to form gas-liquid mixed fluid and output the gas-liquid mixed fluid; the foaming mechanism can receive the gas-liquid mixed fluid output by the gas-liquid mixing mechanism, and can convert the received gas-liquid mixed fluid into bubble water and output the bubble water; the filtering mechanism can receive at least two paths of liquid, the filtering mechanism comprises at least two filter elements, the number of the filter elements is the same as that of the liquid paths received by the filtering mechanism, and each path of liquid received by the filtering mechanism can be respectively output to the corresponding filter element for purification treatment; the bubble water that the foaming mechanism produced can export to the filter core to wash the filter core. The utility model has the advantages of, can utilize the bubble water of inside production to wash parallelly connected filter core, and then improve washing effect and washing efficiency.

Description

Cleaning system and purifier of filter core parallel mechanism

Technical Field

The utility model relates to a water purification unit technical field especially relates to a cleaning system and purifier of filter core parallel mechanism.

Background

The existing water purifier can generally select a filtering mechanism to adopt a plurality of filter elements to be connected in parallel in order to purify the drinking water with larger flow, so that the water purifier can convey multiple paths of drinking water to the plurality of filter elements to carry out filtering and purifying treatment, thereby improving the filtering flow of the filtering mechanism to the drinking water.

However, in the conventional method for cleaning the filter element, tap water or pure water is directly used for impacting the filter element to clean the filter element, and as the number of filter elements connected in parallel in the filter mechanism increases, the impact force received by each filter element from the tap water or the pure water during cleaning will be reduced, thereby easily causing poor cleaning effect and reduced cleaning efficiency of the filter element.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a cleaning system and a device for a parallel filter element mechanism, which can generate bubble water and wash the filter element by using the bubble water, aiming at the problems of poor cleaning effect and low cleaning efficiency when the traditional filter element washing method faces the parallel filter element mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cleaning system for a parallel filter element mechanism, comprising:

a gas-liquid mixing mechanism can mix input gas and liquid to form gas-liquid mixed fluid and output the fluid;

the foaming mechanism can receive the gas-liquid mixed fluid output by the gas-liquid mixing mechanism, and can convert the received gas-liquid mixed fluid into bubble water and output the bubble water;

the filter mechanism can receive at least two paths of liquid, the filter mechanism comprises at least two filter elements, the number of the filter elements is the same as that of the liquid paths received by the filter mechanism, and each path of liquid received by the filter mechanism can be respectively output to the corresponding filter element for purification treatment; the bubbling water generated by the bubbling mechanism can be output to the filter element so as to clean the filter element.

According to the cleaning system, the gas-liquid mixed fluid is provided for the foaming mechanism through the gas-liquid mixing mechanism, the foaming mechanism can convert the gas-liquid mixed fluid into bubble water, and the bubble water can be output to the filter elements which are arranged in parallel and clean the filter elements; since the bubble water has physical and chemical characteristics that tap water or pure water does not have, the bubble water has higher flushing effect and flushing efficiency than tap water or pure water when used for cleaning a plurality of filter elements connected in parallel. Therefore, compared with the traditional cleaning method, the cleaning system can improve the cleaning effect on the filter element, thereby improving the filtering efficiency and the filtering effect of the filter element for filtering and purifying the drinking water; on the other hand along with the improvement of washing efficiency, wash required water resource and will reduce, water waste when can reducing to wash.

In one embodiment, the cleaning system further includes a first pipeline, the first pipeline is used for communicating the foaming mechanism and the filtering mechanism, the first pipeline includes a main line and branch lines, the main line is connected with the foaming mechanism, the number of the branch lines is the same as that of the filter elements, and bubble water in the main line is respectively output to the corresponding filter elements through the branch lines. Bubble water in the main line can be output to different filter cores through different branches and can be used for cleaning different filter cores.

In one embodiment, the filter element comprises a first port and a second port which are communicated, and the filter element can purify liquid flowing in from the first port; the branch can output bubble water to the first port so as to clean the filter element from the first port to the second port. Through communicating branch road and first port, make bubble hydroenergy can export to first port to carry out forward washing to the filter core.

In one embodiment, each branch is provided with a first valve, and the first valve is used for controlling the connection and disconnection between the branch and the first port; when the first valve is conducted, bubble water in the branch can be conveyed to the corresponding first port. Through set up first valve on different branches, control different branches and to switching on and ending of first port, and then control bubble water carries out forward washing to different filter cores.

In one embodiment, the filter element comprises a first port and a second port which are communicated, and the filter element can purify liquid flowing in from the first port; the branch can output bubble water to the second port to clean the filter element from the second port to the first port. Through communicating branch road and second port, make bubble hydroenergy can export to the second port to carry out the back flush to the filter core.

In one embodiment, each branch is provided with a first valve, and the first valve is used for controlling the connection and disconnection between the branch and the second port; when the first valve is conducted, the bubble water in the branch can be conveyed to the corresponding second port. Through set up first valve on different branches, control different branches and to switching on and ending of second port, and then control bubble water carries out forward washing to different filter cores.

In one embodiment, a second valve is arranged on the first pipeline, the second valve is arranged on the main pipeline, and when the second valve is conducted, bubble water generated by the bubbling mechanism can be output to the branch pipeline through the main pipeline. The second valve is arranged on the main line, and the filter element flushing function can be switched on and off by controlling the on and off of the second valve.

In one embodiment, the cleaning system further includes a second pipeline, the second pipeline is used for outputting bubble water generated by the bubbling mechanism to the outside of the cleaning system, the second pipeline is connected with the main line, a third valve is arranged on the second pipeline, and when the third valve is turned on, the bubble water in the main line can be output to the outside of the cleaning system through the second pipeline. Through controlling the on-off of the third valve, the bubble water can be output to the outside of the filter element cleaning system through the second pipeline, so that the filter element cleaning system has the function of outputting the bubble water to the outside, and the using function of the filter element cleaning system is increased.

In one embodiment, the cleaning system further includes a waste water pipeline, the waste water pipeline is used for outputting the bubble water after the filter element is cleaned to the outside of the cleaning system, a waste water valve is arranged on the waste water pipeline, and when the waste water valve is switched on, the bubble water flowing out of the filter element can be output to the outside of the cleaning system through the waste water pipeline. Through setting up waste water pipeline and waste water valve, can provide the independent pipeline that leaves cleaning system for the bubble water after the washing, prevent to pollute other pipelines.

The utility model also provides a purifier, include:

the cleaning system of any of the above embodiments; and (c) a second step of,

the cleaning system is arranged in the shell.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of a water purifying apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the cleaning system of FIG. 1;

FIG. 3 is a schematic view of the RO cartridge of FIG. 2;

FIG. 4 is a schematic diagram of another embodiment of the cleaning system of FIG. 3;

FIG. 5 is a schematic diagram of the washing system of FIG. 3 with a booster pump;

fig. 6 is a schematic diagram of the cleaning system of fig. 4 with a booster pump.

100-a water purifying device; 200-a housing; 300-a cleaning system; 310-a gas-liquid mixing mechanism; 311-gas-liquid mixing chamber; 312-an input terminal; 313-an output; 320-a frothing mechanism; 330-a filter mechanism; 331-a filter element; 3311-first port; 3312-second port; 340-a first water inlet line; 350-a booster pump;

410-a first conduit; 411-trunk; 412-branch; 413-a first valve; 414-a second valve; 420-a second conduit; 421-a third valve; 430-a waste water line; 431-waste valve; 440-an air intake line; 441-a fourth valve; 450-a second water inlet line; 451-fifth valve; 460-a return line; 461-reflux valve.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, the utility model provides a water purifying device 100, water purifying device 100 is inside to be connected in parallel has a plurality of filter cores, and every filter core homoenergetic carries out filtration purification treatment to liquid all the way to make this water purifying device 100 can carry out purification treatment to large-traffic liquid. The water purifying device 100 also has a self-cleaning function for a plurality of filter elements connected in parallel, and the self-cleaning function of the water purifying device 100 has the advantages of good flushing effect and high flushing efficiency compared with the traditional water purifying device with the self-cleaning function. The water purifying device 100 of the present invention can be any water purifying apparatus connected in parallel with a filter element, for example, a drinking water purifier. It is easily understood by those skilled in the art that the drinking water purifier is only one of the embodiments of the present invention, and should not be taken as a limitation of the present invention.

Specifically, the water purifying device 100 includes a housing 200 and a cleaning system 300 of the filter element parallel mechanism, and the housing 200 is an installation body of the water purifying device 100 and is used for installing the cleaning system 300. Cleaning system 300 can wash a plurality of parallelly connected filter cores, and cleaning system 300 is through inside bubble water that produces to utilize bubble water to wash the filter core in order to improve washing effect and washing efficiency. Wherein the bubble water refers to gas-liquid mixed fluid rich in micro-nano bubbles; the micro-nano bubbles refer to bubbles with diameters of hundreds of nanometers to ten micrometers when the bubbles occur, the bubbles have physical and chemical characteristics which are not possessed by conventional bubbles, and when the gas-liquid mixed fluid with the bubbles is applied to cleaning equipment, the cleaning effect is greatly improved, and the cleaning efficiency can be improved.

The specific structure of the novel cleaning system 300 will be described in detail below with reference to the accompanying drawings, so as to illustrate how the cleaning system 300 cleans the filter element parallel mechanism.

Referring to fig. 2, the cleaning system 300 includes an air-liquid mixing mechanism 310, a foaming mechanism 320, and a filtering mechanism 330. The gas-liquid mixing mechanism 310 can mix the input gas and liquid to form gas-liquid mixed fluid and output the gas-liquid mixed fluid, the foaming mechanism 320 can receive the gas-liquid mixed fluid output by the gas-liquid mixing mechanism 310, and the foaming mechanism 320 can convert the received gas-liquid mixed fluid into bubble water and output the bubble water; the filtering mechanism 330 can receive at least two paths of liquid, the filtering mechanism 330 includes at least two filter elements 331, the number of the filter elements 331 is the same as the number of the liquid paths received by the filtering mechanism 330, each path of liquid received by the filtering mechanism 330 can be output to the corresponding filter element 331 for purification treatment, the filtering mechanism 330 is provided with the filter elements 331 connected in parallel, each filter element 331 can purify the liquid flowing through, and therefore the flow rate of the liquid purified by the filtering mechanism 330 is increased; the bubble water generated by the bubbling mechanism 320 can be output to the filter element 331 to clean the filter element 331. It is noted that the bubble water generated by the foaming mechanism 320 can be output to the filter element 331, which can be understood as the bubble water can be output to a single filter element 331 in the filter mechanism 330, and can also be understood as the bubble water can be output to all the filter elements 331 in the filter mechanism 330.

The gas-liquid mixing mechanism 310 is provided with a gas-liquid mixing cavity 311, the gas-liquid mixing cavity 311 comprises an input end 312 and an output end 313, the filter element cleaning system 300 further comprises a first water inlet pipeline 340 and an air inlet pipeline 440, the input end 312 is respectively connected with the first water inlet pipeline 340 and the air inlet pipeline 440, the gas-liquid mixing cavity 311 can mix gas and liquid input by the first water inlet pipeline 340 and the air inlet pipeline 440, and gas-liquid mixed fluid is output from the output end 313.

The foaming mechanism 320 is connected with the output end 313, the foaming mechanism 320 can receive the gas-liquid mixed fluid output by the output end 313, and the gas in the gas-liquid mixed fluid output by the output end 313 exists in the form of large bubbles, so that the foaming mechanism 320 is used for scattering the large bubbles in the gas-liquid mixed fluid into small bubbles, the bubbles in the finally output bubble water are finer and finer, and the cleaning capacity of the output bubble water is improved.

Referring to fig. 3, in an embodiment, the cleaning system 300 further includes a first pipeline 410, the first pipeline 410 is used for communicating the bubbling mechanism 320 with the filtering mechanism 330, the first pipeline 410 includes a main pipeline 411 and a branch pipeline 412, the main pipeline 411 is connected with the bubbling mechanism 320, and the bubble water in the bubbling mechanism 320 can flow to the branch pipeline 412 through the main pipeline 411; the number of the branches 412 is the same as that of the filter elements 331, bubble water in the main line 411 is respectively output to the corresponding filter elements 331 through the branches 412, wherein the corresponding filter element 331 means that one branch 412 is communicated with one filter element 331 and the main line 411, and the bubble water in the main line 411 can be output to different filter elements 331 through different branches 412 and is used for cleaning different filter elements 331.

The filter element 331 comprises a first port 3311 and a second port 3312 which are communicated with each other, the filter element 331 can purify the liquid flowing in from the first port 3311, specifically, the filter element 331 can be a UF filter element, a PP cotton filter element, an activated carbon filter element or other composite filter elements with single-layer filtration, and at this time, the first port 3311 is a water inlet of the filter element 331, the second port 3312 is a water outlet of the filter element 331, and the filter element 331 can purify the liquid flowing in from the water inlet and output the purified liquid through the water outlet; the filter core 331 can also be an RO filter core (as shown in fig. 3), because the precision of the RO membrane is 0.1-1 nm, impurities can not pass through the RO membrane, and micro-nano bubbles in the bubble water can break before passing through the RO membrane, so the RO filter core is cleaned before the membrane, the RO filter core comprises a water inlet for inflow of the liquid to be purified and a water outlet for outflow of the purified liquid, and also comprises a waste water inlet for inflow or outflow of the bubble water, the waste water inlet is arranged before the RO membrane and communicated with the water inlet, at this moment, the first port 3311 is a water inlet, and the second port 3312 is a waste water inlet.

The traditional filter element cleaning method can be divided into forward flushing and backward flushing according to different cleaning directions. The following description will describe the filter element of the present invention as an RO filter element, wherein the cleaning system 300 has a forward washing function as the first embodiment, and the filter element as an RO filter element, wherein the cleaning system 300 has a reverse washing function as the second embodiment. It should be noted that the first embodiment and the second embodiment can be applied to the cleaning system 300 of the present invention separately, that is, the cleaning system 300 has a forward flushing function or a backward flushing function; embodiment one and embodiment two can also be applied to the utility model discloses a cleaning system simultaneously, cleaning system 300 possesses forward flushing function and back flushing function simultaneously promptly.

Example one

The branch line 412 can output bubble water to the first port 3311 to wash the filter element 331 from the first port 3311, and further realize the forward flushing function of the filter element 331 by the cleaning system 300.

In one embodiment, each branch 412 is provided with a first valve 413, and the first valve 413 is used for controlling the connection and disconnection between the branch 411 and the first port 3311; when the first solenoid valve 413 is turned on, the bubble water in the branch 411 can be delivered to the corresponding first port 3311, so as to clean the filter element 331 from the first port 3311 side. Wherein, correspondingly, a first valve 413 controls the on and off of a branch 412 and a first port 3311. It will be readily understood by those skilled in the art that, when performing the forward flushing, all of the first valves 413 may be turned on, and the bubble water simultaneously performs the forward flushing on the plurality of filter elements 331; part of the first valves 413 can be switched on, for example, one first valve 413 is switched on to guide bubble water to positively flush a single filter element 311, the bubble water is concentrated in a single branch 412, the hydraulic pressure of the bubble water in the single branch 412 can be improved, the impact force of the bubble water on the filter element 331 is enhanced, and the flushing effect is further improved.

Example two

Referring to fig. 4, the branch 412 can output bubble water to the second port 3312 to clean the filter element 331 from the second port 3312, thereby implementing a back-flushing function of the filter element 331 by the cleaning system 300.

In one embodiment, each branch 412 is provided with a first valve 413, and the first valve 413 is used for controlling the branch 412 and the second port 3312 to be connected and disconnected; when the first valve 413 is turned on, the bubble water in the branch 412 can be delivered to the corresponding second port 3312, so as to clean the filter element 331 from the side of the second port 3312. Wherein, correspondingly, a first valve 413 controls the on and off of a branch 411 and a second port 3312. It will be readily understood by those skilled in the art that, when backflushing is performed, all of the first valves 413 can be turned on, and bubbling water backflushes the plurality of cartridges 331 simultaneously; part of the first valves 413 can be conducted, for example, one first valve 413 is conducted to guide bubble water to reversely flush the single filter element 331, the bubble water is concentrated in the single branch 412, the hydraulic pressure of the bubble water in the single branch 412 can be improved, the impact force of the bubble water on the filter element 331 is enhanced, and the flushing effect is further improved.

It should be noted that both the forward flushing and the backward flushing have positions where the cleaning is difficult, for example, the forward flushing is difficult to clean the impurities staying in the first half of the filter element 331, and the backward flushing is difficult to clean the impurities staying in the second half of the filter element 331. Therefore, when the first embodiment and the second embodiment are applied to the cleaning system 300 at the same time, the cleaning system 300 has both the forward flushing function and the backward flushing function, and the filter element 331 can be sequentially subjected to the forward flushing and the backward flushing, and the both are combined to further improve the cleaning effect of the cleaning system 300.

In one embodiment, the first pipeline 410 is provided with a second valve 414, the second valve 414 is provided on the main line 411, and when the second valve 414 is conducted, the bubble water generated by the bubbling mechanism 320 can be output to the branch line 412 through the main line 411; when the second valve 414 is closed, the bubble water generated by the bubble generating mechanism 320 cannot flow to the filter element 331. In actual use, the second valve 414 is controlled to be turned on and off, so that the filter element 331 can be opened and closed by the bubble water, and when the filter element is not required to be flushed, the second valve 414 is closed, thereby preventing the influence of the main line 411 on the normal filtration and purification of the liquid by the filter mechanism 330.

In an embodiment, the cleaning system 300 further includes a second pipeline 420, the second pipeline 420 is used for outputting bubble water generated by the bubbling mechanism 320 to the outside of the cleaning system 300, the second pipeline 420 is connected to the main line 411, a third valve 421 is disposed on the second pipeline 420, and when the third valve 421 is turned on, the bubble water in the main line 411 can be output to the outside of the cleaning system 300 through the second pipeline 420; when the third valve 421 is closed, the bubble water in the main line 411 cannot be output to the outside of the cleaning system 300 through the second pipe 420. In this embodiment, by adding the second pipeline 420, the cleaning system 300 has a function of outputting bubble water to the outside, so as to expand the application environment of the cleaning system 300, and a user can clean other articles by using the bubble water output by the cleaning system 300 when using the cleaning system.

In an embodiment, the cleaning system 300 further includes a waste water pipeline 430, the waste water pipeline 430 is used for outputting bubble water after cleaning the filter element 331 to the outside of the cleaning system 300, a waste water valve 431 is disposed on the waste water pipeline 430, and when the waste water valve 431 is turned on, the bubble water flowing out of the filter element 331 can be output to the outside of the cleaning system 300 through the waste water pipeline 430. Specifically, the waste water pipeline 430 includes a first waste water pipeline 470 and a second waste water pipeline 480, the first waste water pipeline 470 is used for communicating with the second port 3312, a first waste water valve 471 is disposed on the first waste water pipeline 470, the second waste water pipeline 480 is used for communicating with the first port 3311, and a second waste water valve 481 is disposed on the second waste water pipeline 480. In the embodiment of the first cleaning system 300 with a forward flushing function, the first waste water pipe 470 is disposed at the side of the second port 3312 (as shown in fig. 3), when the first waste water valve 471 is turned on, the bubble water flows into the filter element 331 from the side of the first port 3311 to flush the filter element, and then flows out from the side of the second port 3312 to be output to the outside of the cleaning system 300 through the first waste water pipe 470; in the second embodiment of the cleaning system 300 having the back flushing function, the second waste water pipe 480 is provided in the first port 3311 (as shown in fig. 4), and when the second waste water valve 481 is turned on, bubble water flows into the filter element 331 from the second port 3312 side, is flushed, and then flows out from the first port 3311 side, and is output to the outside of the cleaning system 300 through the second waste water pipe 480. By providing the waste line 430 and waste valve 431, a separate line can be provided for the bubble water leaving the cleaning system 300 after flushing the filter element 311, preventing contamination of other lines.

In the cleaning system 300, the gas-liquid mixing mechanism 310 provides the gas-liquid mixed fluid for the foaming mechanism 320, the foaming mechanism 320 can convert the gas-liquid mixed fluid into the bubble water, and the bubble water can be output to the filter element 331 arranged in parallel and clean the filter element 331; since the bubble water has physical and chemical properties that are not possessed by tap water or pure water, the bubble water has a higher washing effect and washing efficiency than tap water or pure water when used to wash a plurality of filter elements 331 connected in parallel. Therefore, compared with the traditional cleaning method, the cleaning system 300 can improve the cleaning effect on the filter element 331, thereby improving the filtering efficiency and the filtering effect of the filter element 331 for filtering and purifying the drinking water; on the other hand along with the improvement of washing efficiency, wash required water resource and will reduce, water waste when can reducing to wash.

Referring to fig. 5 and 6, in an embodiment, the filter element cleaning system 300 further includes a booster pump 350, the number of the booster pumps 350 may be 1, the booster pump 350 is configured to power the gas-liquid mixture fluid in the gas-liquid mixing mechanism 310 to flow to the bubbling mechanism 320, and the booster pump 350 is further configured to power the liquid flowing into the filtering mechanism 330. The volume of the filter cartridge cleaning system 300 can be reduced by providing a booster pump 350 to provide power for the flow of the gas-liquid mixture and the liquid. In other embodiments, the number of the booster pumps 350 may be two (not shown), and the two booster pumps 350 may respectively provide power for the flow of the gas-liquid mixture fluid and the liquid.

In one embodiment, the gas-liquid mixture fluid output from the output terminal 313 flows to the bubbling mechanism 320 through the booster pump 350; the cartridge cleaning system 300 further includes a second water inlet line 450, the second water inlet line 450 is used for conveying liquid to the filtering mechanism 330, and the second water inlet line 450 is connected to the filtering mechanism 330 after passing through the booster pump 350.

In one embodiment, the air intake pipe 440 is provided with a fourth valve 441, when the fourth valve 441 is turned on, the air intake pipe 440 can provide air for the gas-liquid mixing mechanism 310, and when the fourth valve 441 is turned off, the gas-liquid mixing mechanism 310 stops operating, and the frothing mechanism 320 also stops operating; the second inlet pipe 450 is provided with a fifth valve 451, when the fifth valve 451 is turned on, the second inlet pipe 450 can provide liquid for the filter mechanism 330, and when the fifth valve 451 is turned off, the filter mechanism 330 stops operating. By controlling the on and off of the fourth valve 441 and the fifth valve 451, the operation of the foaming mechanism 320 for outputting the bubble water and/or the operation of the filtering mechanism 330 for outputting the purified water can be selected according to the requirement.

In one embodiment, the cleaning system 300 further includes a return line 460, the return line 460 is used for conveying the purified liquid flowing out from the water outlet of the filter element 331 to the booster pump 350, the purified liquid is pumped to the first port 3311 by the booster pump 350, a return valve 461 is disposed on the return line 460, and when the return valve 461 is turned on, the return line 460 can convey the purified liquid flowing out from the second port 3341 to the booster pump 350. By providing the return line 460 and the return valve 461, the filter mechanism 330 can repeatedly filter and purify the liquid, so as to enhance the filtering effect of the filter mechanism 330.

The on/off states of the valves during operation of the cartridge cleaning system 300 will be described below to facilitate understanding of the interaction between the valves.

Referring to fig. 5, when the washing system 300 performs the forward flushing, the fourth valve 441, the second valve 414, and the first waste valve 471 are opened, and the fifth valve 451 and the third valve 421 are closed. It should be noted that in practice, the bubble water flowing into the second port 3312 may be prevented from being diverted through the water outlet by closing a water tap communicating with the water outlet of the RO cartridge.

Referring to fig. 6, when the cleaning system 300 performs the back flushing, the fourth valve 441, the first valve 413, the second waste valve 481 are opened, and the first waste valve 471, the fifth valve 451, and the third valve 421 are closed. It should be noted that the first valve 413 may be opened simultaneously or only one valve may be opened to control the bubble water to flush different filter elements 331.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A cleaning system for a filter element parallel mechanism is characterized by comprising:

the gas-liquid mixing mechanism can mix the input gas and liquid to form gas-liquid mixed fluid and output the gas-liquid mixed fluid;

the foaming mechanism can receive the gas-liquid mixed fluid output by the gas-liquid mixing mechanism, and the foaming mechanism can convert the received gas-liquid mixed fluid into bubble water and output the bubble water;

the filtering mechanism can receive at least two paths of liquid, the filtering mechanism comprises at least two filter elements, the number of the filter elements is the same as that of the liquid paths received by the filtering mechanism, and each path of liquid received by the filtering mechanism can be respectively output to the corresponding filter element for purification treatment; the bubbling water generated by the bubbling mechanism can be output to the filter element so as to clean the filter element.

2. The cleaning system according to claim 1, further comprising a first pipeline, the first pipeline is used for communicating the bubbling mechanism and the filtering mechanism, the first pipeline comprises a main pipeline and branch pipelines which are communicated with each other, the main pipeline is connected with the bubbling mechanism, the number of the branch pipelines is the same as that of the filter elements, and bubble water in the main pipeline is respectively output to the corresponding filter elements through the branch pipelines.

3. The cleaning system of claim 2, wherein the filter element includes a first port and a second port in communication, the filter element being capable of purifying liquid flowing from the first port; the branch can output bubble water to the first port so as to clean the filter element from the first port to the second port.

4. The cleaning system of claim 3, wherein each of the branches includes a first valve for controlling the connection and disconnection between the branch and the first port; when the first valve is conducted, the bubble water in the branch can be conveyed to the corresponding first port.

5. The cleaning system of claim 2, wherein the filter cartridge includes a first port and a second port in communication, the filter cartridge being capable of purifying liquid flowing from the first port; the branch can output bubble water to the second port to clean the filter element from the second port to the first port.

6. The cleaning system of claim 5, wherein each of the branches includes a first valve for controlling the connection and disconnection between the branch and the second port; when the first valve is conducted, the bubble water in the branch can be conveyed to the corresponding second port.

7. The cleaning system according to any one of claims 2 to 6, wherein a second valve is arranged on the first pipeline, the second valve is arranged on the main pipeline, and when the second valve is switched on, the bubble water generated by the bubbling mechanism can be output to the branch pipeline through the main pipeline.

8. The cleaning system according to any one of claims 2 to 6, further comprising a second pipeline, wherein the second pipeline is used for outputting the bubble water generated by the bubbling mechanism to the outside of the cleaning system, the second pipeline is connected with the main line, a third valve is arranged on the second pipeline, and when the third valve is conducted, the bubble water in the main line can be output to the outside of the cleaning system through the second pipeline.

9. The cleaning system according to claim 1, further comprising a waste water pipeline, wherein the waste water pipeline is used for outputting the bubble water after the filter element is cleaned to the outside of the cleaning system, a waste water valve is arranged on the waste water pipeline, and when the waste water valve is conducted, the bubble water flowing out of the filter element can be output to the outside of the cleaning system through the waste water pipeline.

10. A water purification device, characterized by comprising:

the cleaning system of any one of claims 1-9; and the number of the first and second groups,

the cleaning system is arranged in the shell.