CN222795265U - Self-cleaning water purification system and water purifier - Google Patents
Self-cleaning water purification system and water purifier Download PDFInfo
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- CN222795265U CN222795265U CN202421636618.2U CN202421636618U CN222795265U CN 222795265 U CN222795265 U CN 222795265U CN 202421636618 U CN202421636618 U CN 202421636618U CN 222795265 U CN222795265 U CN 222795265U
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Abstract
本实用新型公开了一种自清洗净水系统和净水机，其中，自清洗净水系统包括：过滤模块，过滤模块包括第一滤芯，第一滤芯用于对待过滤水源进行过滤；清洗模块，清洗模块包括相互独立的第一腔体和第二腔体，第一腔体用于存放酸性清洗剂，第二腔体用于存放碱性清洗剂；开关模块，开关模块包括多个开关，开关模块的至少一个开关设于清洗模块的进水口；控制模块，控制模块用于对开关模块进行控制，以利用碱性清洗剂对第一滤芯进行碱性清洗和利用酸性清洗剂对第一滤芯进行酸性清洗。由此，通过对第一滤芯进行清洗，可以提高自清洗净水系统的出水水质和流量，进而提高了滤芯的使用寿命，并降低了滤芯的更换成本，从而提高了用户的使用体验。
The utility model discloses a self-cleaning water purification system and a water purifier, wherein the self-cleaning water purification system comprises: a filter module, the filter module comprises a first filter element, the first filter element is used to filter the water source to be filtered; a cleaning module, the cleaning module comprises a first cavity and a second cavity which are independent of each other, the first cavity is used to store an acidic cleaning agent, and the second cavity is used to store an alkaline cleaning agent; a switch module, the switch module comprises a plurality of switches, at least one switch of the switch module is arranged at the water inlet of the cleaning module; a control module, the control module is used to control the switch module, so as to use an alkaline cleaning agent to perform alkaline cleaning on the first filter element and use an acidic cleaning agent to perform acid cleaning on the first filter element. Thus, by cleaning the first filter element, the water quality and flow rate of the self-cleaning water purification system can be improved, thereby increasing the service life of the filter element, and reducing the replacement cost of the filter element, thereby improving the user experience.
Description
Technical Field
The utility model relates to the technical field of water purification, in particular to a self-cleaning water purification system and a water purifier.
Background
Along with improvement of life quality of people, the water purifier is widely applied in daily life, and a main market model of the water purifier is a reverse osmosis water purifier at present, wherein a core filter unit of the reverse osmosis water purifier is a reverse osmosis filter element, the reverse osmosis filter element can filter organic matters, grease, bacteria and ionic substances in water, the filtered substances can deposit and precipitate on the surface of a membrane at the concentrated water end of a reverse osmosis membrane, and long-time deposit and precipitation can influence the water outlet flow and the water outlet quality of the water purifier. In the related art, the household water purifier is usually directly replaced by the reverse osmosis filter element, so that the cost for replacing the filter element is high.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, a first object of the present utility model is to provide a self-cleaning water purification system, which can improve the water quality and flow rate of the effluent of the self-cleaning water purification system by cleaning the first filter element, thereby improving the service life of the filter element, reducing the replacement cost of the filter element, and improving the use experience of users.
A second object of the present utility model is to provide a water purifier.
In order to achieve the aim, the first aspect of the utility model provides a self-cleaning water purification system, which comprises a filtering module, a cleaning module and a switch module, wherein the filtering module comprises a first filter element, the first filter element is used for filtering a water source to be filtered, the cleaning module comprises a first cavity and a second cavity which are mutually independent, the first cavity is used for storing an acidic cleaning agent, the second cavity is used for storing an alkaline cleaning agent, a water outlet of the first cavity is connected with a water inlet or a water outlet of the second cavity, a water outlet of the second cavity is connected with a water inlet of the first filter element, the switch module comprises a plurality of switches, at least one switch of the switch module is arranged at the water inlet of the cleaning module, and the control module is used for controlling the switch module to conduct alkaline cleaning on the first filter element by utilizing the alkaline cleaning agent and conduct acidic cleaning on the first filter element by utilizing the acidic cleaning agent.
According to the self-cleaning water purification system provided by the example of the utility model, the water quality and the flow of the effluent of the self-cleaning water purification system can be improved by cleaning the first filter element, so that the service life of the filter element is prolonged, the replacement cost of the filter element is reduced, and the use experience of a user is improved.
In addition, the self-cleaning water purification system according to the present utility model may further include the following additional technical features:
In some examples, the first filter element includes a filtered water outlet and a waste water outlet, the switch module includes a first switch, a second switch, and a third switch, the first switch is disposed at the water inlet of the first cavity, the second switch is disposed at the water inlet of the second cavity, and the third switch is disposed at the waste water outlet of the first filter element.
In some examples, the filtration module further comprises a second filter element, a first water inlet of the second filter element is connected with the water outlet of the water source to be filtered, a first water outlet of the second filter element is connected with the water inlet of the second cavity through the second switch, a second water inlet of the second filter element is connected with the filtered water outlet of the first filter element, and a second water outlet of the second filter element is connected with the water inlet of the first cavity through the first switch.
In some examples, the control module is specifically configured to control the second switch and the third switch to be turned on and the first switch to be turned off so as to perform alkaline cleaning on the first filter element by using the alkaline cleaning agent, and control the first switch to be turned on so as to perform acidic cleaning on the first filter element by using the acidic cleaning agent when the alkaline cleaning is completed.
In some examples, the system further comprises a booster pump, the booster pump is arranged between the water outlet of the second cavity and the water inlet of the first filter element, the control module is further used for obtaining the time length of the first filter element in the alkaline cleaning stage, controlling the booster pump to be started when the time length is greater than or equal to a first preset time length, and completing alkaline cleaning of the first filter element when the time length of the booster pump started is greater than or equal to a second preset time length.
In some examples, when the alkaline cleaning is completed, the control module is further configured to control the third switch to be turned off, and when the turn-off time of the third switch is greater than or equal to a third preset time period, control the third switch to be continuously turned on for a fourth preset time period, so as to complete the acidic cleaning of the first filter element.
In some examples, the consumption of cleaning agent in the cleaning module is completed at the end of the acidic cleaning phase.
In some examples, the system further comprises a potable water outlet and a pipeline machine interface, the switch module further comprises a fourth switch and a high-voltage switch, the fourth switch is arranged between the potable water outlet and the high-voltage switch, the high-voltage switch is further connected with the second water outlet of the second filter element, the pipeline machine interface is connected with the second water outlet of the second filter element, and the control module is further used for controlling the second switch, the fourth switch and the high-voltage switch to be turned on, and the first switch and the third switch to be turned off so as to utilize the first filter element and the second filter element to filter the water source to be filtered, and then the water is discharged through the potable water outlet or the pipeline machine.
In some examples, the system further comprises a purified water outlet, the switch module further comprises a fifth switch, the fifth switch is arranged between the purified water outlet and the first outlet of the second filter element, and the control module is further used for controlling the fifth switch to be opened and the first switch, the second switch and the third switch to be closed so as to utilize the second filter element to filter the water source to be filtered and then output water through the purified water outlet.
In some examples, the system further comprises a first one-way valve and a second one-way valve, wherein the water inlet of the first one-way valve is connected with the second water outlet of the second filter element, the water outlet of the first one-way valve is connected with one end of the first switch, the water inlet of the second one-way valve is connected with the other end of the first switch, and the water outlet of the second one-way valve is connected with the water inlet of the first cavity.
In order to achieve the above object, a second aspect of the present utility model provides a water purifier, including the self-cleaning water purification system according to the foregoing embodiment of the present utility model.
According to the water purifier provided by the embodiment of the utility model, the self-cleaning water purifying system is adopted to clean the first filter element, so that the water quality and the flow of the water discharged by the self-cleaning water purifying system can be improved, the service life of the filter element is further prolonged, the replacement cost of the filter element is reduced, and the use experience of a user is further improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is a block schematic diagram of a self-cleaning water purification system in accordance with an embodiment of the present utility model;
FIG. 2 is a block diagram of the waterway of the self-cleaning system in accordance with one embodiment of the present utility model;
Fig. 3 is a block diagram schematically illustrating a water purifier according to an embodiment of the present utility model.
Reference numerals:
The filter comprises a first filter element 11, a first cavity 12, a second cavity 13, a first switch 14, a second switch 15, a third switch 16, a second filter element 17, a booster pump 18, a fourth switch 19, a fifth switch 21, a first check valve 22, a second check valve 23 and a high-voltage switch 24.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
The self-cleaning water purification system and the water purifier according to the embodiments of the present utility model are described below with reference to the accompanying drawings.
Fig. 1 is a block schematic diagram of a self-cleaning water purification system in accordance with an embodiment of the present utility model.
Specifically, in some embodiments of the present utility model, as shown in fig. 1, a self-cleaning water purification system 100 includes a filtration module 10, a cleaning module 20, a switching module 30, and a control module 40.
The filter module 10 comprises a first filter element used for filtering a water source to be filtered, the cleaning module 20 comprises a first cavity and a second cavity which are independent of each other, the first cavity is used for storing an acidic cleaning agent, the second cavity is used for storing an alkaline cleaning agent, a water outlet of the first cavity is connected with a water inlet or a water outlet of the second cavity, a water outlet of the second cavity is connected with a water inlet of the first filter element, the switch module 30 comprises a plurality of switches, at least one switch of the switch module is arranged at the water inlet of the cleaning module, and the control module 40 is used for controlling the switch module so as to conduct alkaline cleaning on the first filter element by the alkaline cleaning agent and conduct acidic cleaning on the first filter element by the acidic cleaning agent. The water source to be filtered can be tap water, the plurality of switches can be one switch, two switches or five switches, and the number of the plurality of switches is not particularly limited, namely the plurality of switches are at least one switch.
It should be noted that, as shown in fig. 2, the cleaning module includes a first cavity 12 and a second cavity 13, the first cavity 12 is used for storing an acidic cleaning agent, the second cavity 13 is used for storing an alkaline cleaning agent, a water outlet of the first cavity 12 is connected with a water inlet of the second cavity 13, and a water outlet of the second cavity 13 is connected with a water inlet of the first filter element 11. Wherein the first filter element 11 is a reverse osmosis filter element. When the alkaline cleaning is performed, alkaline cleaning is performed first, a water source is mixed with alkaline cleaning agent in the second cavity 13 through a water inlet of the second cavity 13 to generate alkaline cleaning water, the alkaline cleaning water flows into the first filter element 11 through a water outlet of the second cavity 13, and then the first filter element 11 is subjected to alkaline cleaning, after the alkaline cleaning is completed, the water source is mixed with acidic cleaning agent in the first cavity 12 through a water inlet of the first cavity 12 to generate acidic cleaning water, and the acidic cleaning water flows into a water inlet of the second cavity 13 through a water outlet of the first cavity 12, and then flows out through a water outlet of the second cavity 13, so that the first filter element 11 is subjected to acidic cleaning.
Optionally, in some embodiments, the water outlet of the first cavity 12 is connected to the water outlet of the second cavity 13, when cleaning is performed, alkaline cleaning is performed first, the water source is mixed with alkaline cleaning agent in the second cavity 13 through the water inlet of the second cavity 13 to generate alkaline cleaning water, and the alkaline cleaning water flows into the first filter element 11 through the water outlet of the second cavity 13, so as to perform alkaline cleaning on the first filter element 11, after alkaline cleaning is completed, the water source is mixed with acidic cleaning agent in the first cavity 12 through the water inlet of the first cavity 12 to generate acidic cleaning water, and the acidic cleaning water flows into the first filter element 11 through the water outlet of the first cavity 12, so as to perform acidic cleaning on the first filter element 11.
Further, in some embodiments of the present utility model, as shown in fig. 2, the first filter element 11 includes a filtered water outlet and a waste water outlet, the switch module includes a first switch 14, a second switch 15 and a third switch 16, the first switch 14 is disposed at the water inlet of the first cavity 12, the second switch 15 is disposed at the water inlet of the second cavity 13, and the third switch 16 is disposed at the waste water outlet of the first filter element 11.
Specifically, in this embodiment, in the cleaning mode, alkaline cleaning is performed first, the second switch 15 and the third switch 16 are controlled to be turned on, and the first switch 14 is controlled to be turned off, the water source to be filtered flows into the water inlet of the second cavity 13 after flowing through the second switch 15, and is mixed with the alkaline cleaning agent in the second cavity 13 to generate alkaline cleaning water, and then the alkaline cleaning water flows into the first filter element 11 through the water outlet of the second cavity 13 to perform alkaline cleaning on the first filter element 11, so that organic matters, colloid, bacterial debris and other pollutants deposited on the membrane surface of the first filter element 11 can be stripped from the membrane surface, and the generated wastewater flows to the third switch 16 through the wastewater outlet of the first filter element 11 and is discharged. Wherein the wastewater may be concentrated water.
After alkaline cleaning is completed, acidic cleaning is performed, the first switch 14 and the second switch 15 are controlled to be opened, the third switch 16 is controlled to be closed, a water source to be filtered flows into the water inlet of the second cavity 13 after flowing through the second switch 15, flows into the water inlet of the first filter element 11 from the water outlet of the second cavity 13, flows out of the filtered water outlet of the first filter element 11, flows into the water inlet of the first cavity 12 through the first switch 14, is mixed with acidic cleaning agent in the first cavity 12 to generate acidic cleaning water, flows into the water inlet of the second cavity 13 through the water outlet of the first cavity 12, flows into the first filter element 11 through the water outlet of the second cavity 13 to perform acidic water cleaning on the first filter element 11, and can dissolve scale deposited on the membrane surface and in the membrane hole of the first filter element 11, in addition, filtered water filtered by the first filter element 11 flows out of the filtered water outlet, flows into the first filter element 11 again from the water inlet of the first filter element 11 according to the acidic cleaning agent generated after the circulation, continuously performs acidic water cleaning on the first filter element 11, flows into the water inlet of the first filter element 11 through the third switch 16 after the third circulation is opened, and the wastewater generated after the third circulation flows out of the first filter element 11 through the third switch 16.
Further, in some embodiments of the present utility model, the filtration module further comprises a second filter element 17, wherein the first water inlet of the second filter element 17 is connected to the water outlet of the water source to be filtered, the first water outlet of the second filter element 17 is connected to the water inlet of the second cavity 13 through the second switch 15, the second water inlet of the second filter element 17 is connected to the filtered water outlet of the first filter element 11, and the second water outlet of the second filter element 17 is connected to the water inlet of the first cavity 12 through the first switch 14.
Specifically, in this embodiment, in the cleaning mode, alkaline cleaning is performed first, the second switch 15 and the third switch 16 are controlled to be turned on, and the first switch 14 is controlled to be turned off, the water source to be filtered flows into the second filter element 17 through the first water inlet of the second filter element 17, purified water is obtained after filtering through the second filter element 17, the purified water flows out through the water outlet of the second filter element 17, flows into the water inlet of the second cavity 13 through the second switch 15, and then is mixed with alkaline cleaning agent in the second cavity 13 to generate alkaline cleaning water, the alkaline cleaning water flows into the first filter element 11 through the water outlet of the second cavity 13 to perform alkaline cleaning on the first filter element 11, and pollutants such as organic matters, colloid, bacterial debris and the like deposited on the membrane surface of the first filter element 11 can be stripped from the membrane surface, and the generated wastewater flows to the third switch 16 through the wastewater outlet of the first filter element 11 and is discharged. Wherein the second filter element 17 may preferably be a front-rear composite filter element.
After alkaline cleaning is completed, acidic cleaning is performed, the first switch 14 and the second switch 15 are controlled to be opened, the third switch 16 is closed, a water source to be filtered flows into the second filter element 17 through the first water inlet of the second filter element 17, purified water is obtained after filtering through the second filter element 17, the purified water flows out through the water outlet of the second filter element 17, flows into the water inlet of the second filter element 13 through the second switch 15, flows out from the filtered water outlet of the first filter element 11 from the water outlet of the first filter element 11 after flowing into the second water inlet of the second filter element 17, flows out from the second water outlet of the second filter element 17 through the first switch 14, so that acidic cleaning water is generated by mixing with acidic cleaning agent in the first filter element 12, flows into the water inlet of the second filter element 13 through the water outlet of the first filter element 12, flows into the first filter element 11 through the water outlet of the second filter element 13, so that acidic water is cleaned, the membrane surface of the first filter element 11 and the membrane deposited in the membrane hole flow out from the water outlet of the first filter element 11, and the acidic cleaning water flows out from the second filter element 11 after flowing out of the first filter element 11 through the second switch 16, and the acidic cleaning water is continuously circulated from the first filter element 11 after flowing out of the first filter element 11 for a plurality of times according to the circulating water after the first filter element 11 is opened.
Further, in some embodiments of the present utility model, the control module is specifically configured to control the second switch 15 and the third switch 16 to be turned on and the first switch 14 to be turned off, so as to generate alkaline cleaning water by using alkaline cleaning agent to perform alkaline cleaning on the first filter element 11, and control the first switch 14 to be turned on when the alkaline cleaning is completed, so as to generate acidic cleaning water by using acidic cleaning agent to perform acidic cleaning on the first filter element 11.
Specifically, in this embodiment, in the cleaning mode, the second switch 15 and the third switch 16 are controlled to be turned on, and the first switch 14 is controlled to be turned off, and the water source to be filtered flows into the water inlet of the second cavity 13 after flowing through the second switch 15, and is mixed with the alkaline cleaning agent in the second cavity 13 to generate alkaline cleaning water, and then the alkaline cleaning water flows into the first filter element 11 through the water outlet of the second cavity 13, so as to perform alkaline cleaning on the first filter element 11. After alkaline cleaning is completed, the first switch 14 is controlled to be opened, a water source to be filtered flows into the water inlet of the second cavity 13 after flowing through the second switch 15, flows into the water inlet of the first filter element 11 from the water outlet of the second cavity 13, flows out of the filtered water outlet of the first filter element 11, flows into the water inlet of the first cavity 12 through the first switch 14, is mixed with the acidic cleaning agent in the first cavity 12 to generate acidic cleaning water, flows into the water inlet of the second cavity 13 through the water outlet of the first cavity 12, and flows into the first filter element 11 through the water outlet of the second cavity 13 to clean the acidic water of the first filter element 11.
Further, in some embodiments of the present utility model, the system further includes a booster pump 18, the booster pump 18 is disposed between the water outlet of the second cavity 13 and the water inlet of the first filter element 11, and the control module is further configured to obtain a duration of the first filter element 11 in the alkaline cleaning stage, control the booster pump 18 to be turned on when the duration is greater than or equal to a first preset duration, and complete alkaline cleaning of the first filter element 11 when the duration of the booster pump 18 is greater than or equal to a second preset duration.
Specifically, in this embodiment, the time length of the first filter element 11 in the alkaline cleaning stage may be obtained by installing a timer, recording the time length by the timer, controlling the booster pump 18 to be turned on when the time length is greater than or equal to a first preset time length, so as to increase the water flow rate flowing into the first filter element 11, ensure that the cleaning agent in the second cavity 13 is consumed, and increase the scouring force on the surface of the filtering membrane of the first filter element 11, so as to improve the cleaning effect, and recording the time length of the booster pump 18 to be turned on by the timer, and complete the alkaline cleaning of the first filter element 11 when the time length of the booster pump 18 is greater than or equal to a second preset time length.
It should be noted that, the value range of the first preset duration may be preferably 10 minutes to 15 minutes, and the value range of the second preset duration may be preferably 5 minutes to 10 minutes.
Further, in some embodiments of the present utility model, when the alkaline cleaning is completed, the control module is further configured to control the third switch 16 to be turned off, and when the turn-off time of the third switch 16 is greater than or equal to a third preset time period, control the third switch 16 to be turned on continuously for a fourth preset time period, so as to complete the acidic cleaning of the first filter element 11.
Specifically, in this embodiment, a timer may be installed, when the alkaline cleaning is completed, the first switch 14, the second switch 15 are controlled to be turned on, and the third switch 16, the fourth switch 19 and the fifth switch 21 are controlled to be turned off, the water source flowing into the first cavity 12 is mixed with the cleaning agent in the first cavity 12, the cleaning water flows into the second cavity 13 after merging through the water outlet of the first cavity 12 and the first water outlet of the second filter element 17, flows into the first filter element 11 under the supercharging effect of the booster pump 18 to clean the first filter element 11, in addition, the filtered water flows out from the filtered water outlet of the first filter element 11, flows into the second filter element 17 through the second water inlet of the second filter element 17, flows out through the second water outlet of the second filter element 17, flows into the first cavity 12 through the first switch 14, so as to circulate, the closing duration of the third switch 16 is obtained through the timer, and when the closing duration of the third switch 16 is longer than or equal to the third preset duration, the third preset duration is controlled again, and the fourth preset duration of time is controlled to complete the cleaning of the first filter element 11.
It should be noted that, the value range of the third preset duration may be preferably 20 minutes to 25 minutes, and the value range of the fourth preset duration may be preferably 5 minutes to 10 minutes.
Further, in some embodiments of the utility model, the consumption of cleaning agent in the cleaning module is completed at the end of the acidic cleaning phase.
Further, in some embodiments of the present utility model, the system further comprises a potable water outlet and a pipeline machine interface, the switch module further comprises a fourth switch 19 and a high-voltage switch 24, the fourth switch 19 is disposed between the potable water outlet and the high-voltage switch 24, the high-voltage switch 24 is further connected with the second water outlet of the second filter element 17, the pipeline machine interface is connected with the second water outlet of the second filter element 17, the control module is further configured to control the second switch 15, the fourth switch 19 and the high-voltage switch 24 to be turned on, and the first switch 14 and the third switch 16 to be turned off, so that after the water source to be filtered is filtered by the first filter element 11 and the second filter element 17, the water is discharged through the potable water outlet or the pipeline machine.
Specifically, in this embodiment, the high-voltage switch 24 is used to power up the self-cleaning water purification system, after the cleaning agent in the cleaning module is in a depleted state, the second switch 15 and the fourth switch 19 are controlled to be opened, and the first switch 14 and the third switch 16 are controlled to be closed, the water source to be filtered flows into the second filter element 17 through the first water inlet of the second filter element 17, flows out of the second water outlet of the second filter element 17 after being filtered through the front filter element in the second filter element 17, flows into the water inlet of the first filter element 11 through the second cavity 13 and the booster pump 18 of the cleaning module, flows out of the filtered water outlet of the first filter element 11 after being filtered through the first filter element 11, flows into the second filter element 17 through the second water inlet of the second filter element 17, flows out of the second water outlet of the second filter element 17 after being filtered through the rear filter element in the second filter element 17, and flows into the pipeline machine through the fourth switch 19.
Further, in some embodiments of the present utility model, the system further comprises a purified water outlet, the switch module further comprises a fifth switch 21, the fifth switch 21 is disposed between the purified water outlet and the first outlet of the second filter element 17, and the control module is further configured to control the fifth switch 21 to be turned on, and the first switch 14, the second switch 15, and the third switch 16 to be turned off, so that after the water source to be filtered is filtered by the second filter element 17, water is discharged through the purified water outlet.
Specifically, in this embodiment, after the cleaning agent in the cleaning module is in a depleted state, the fifth switch 21 is controlled to be turned on, and the first switch 14, the second switch 15, the third switch 16 and the fourth switch 19 are turned off, the water source to be filtered flows into the second filter element 17 through the first water inlet of the second filter element 17, flows out from the second water outlet of the second filter element 17 after being filtered through the front filter element in the second filter element 17, and flows to the purified water outlet after passing through the fifth switch 21.
Further, in some embodiments of the present utility model, the system further comprises a first one-way valve 22 and a second one-way valve, wherein the water inlet of the first one-way valve 22 is connected with the second water outlet of the second filter element 17, the water outlet of the first one-way valve 22 is connected with one end of the first switch 14, the water inlet of the second one-way valve is connected with the other end of the first switch 14, and the water outlet of the second one-way valve is connected with the water inlet of the first cavity 12.
Specifically, in this embodiment, the first check valve 22 and the second check valve can ensure the flow direction of the water flow, that is, the water flow can only flow into the water inlet of the first check valve 22 from the water outlet of the second filter element 17, and flow out from the water outlet of the first check valve 22, flow into the water inlet of the second check valve after flowing through the first switch 14, and flow into the water inlet of the first cavity 12 from the water outlet of the second check valve. In addition, a high-voltage switch 24 is provided between the first check valve 22 and the fourth switch 19 for powering up the self-cleaning water purification system.
In summary, in a specific embodiment of the present utility model, in a cleaning mode, alkaline cleaning is performed first, the second switch 15 and the third switch 16 are controlled to be turned on, and the first switch 14, the fourth switch 19 and the fifth switch 21 are controlled to be turned off, a water source to be filtered flows into the water inlet of the second cavity 13 after flowing through the second switch 15, and is mixed with alkaline cleaning agent in the second cavity 13 to generate alkaline cleaning water, then the alkaline cleaning water flows into the first filter element 11 through the water outlet of the second cavity 13 to perform alkaline cleaning on the first filter element 11, and when the cleaning time reaches a first preset time, the booster pump 18 is turned on to increase the water flow rate flowing into the first filter element 11, ensure that the cleaning agent in the second cavity 13 is consumed, and also increase the scouring force on the filtering membrane surface of the first filter element 11, so as to improve the cleaning effect, and when the duration of the booster pump 18 is turned on is greater than or equal to a second preset duration, alkaline cleaning of the first filter element 11 is completed, and further organic matters, colloid, bacterial residues and other pollutants deposited on the membrane surface of the first filter element 11 can be stripped off from the membrane surface, and pollutants such as sewage flows out of the first filter element 11 through the first filter element 16 and then flows out of the waste water outlet 16. The value range of the first preset duration may be preferably 10 minutes to 15 minutes, and the value range of the second preset duration may be preferably 5 minutes to 10 minutes.
After alkaline cleaning is completed, acidic cleaning is performed, the first switch 14 and the second switch 15 are controlled to be opened, the third switch 16, the fourth switch 19 and the fifth switch 21 are controlled to be closed, a water source to be filtered flows into the water inlet of the second cavity 13 after flowing through the second switch 15, flows into the water inlet of the first filter element 11 from the water outlet of the second cavity 13, flows into the second water inlet of the second filter element 17 from the filtered water outlet of the first filter element 11, flows out of the second water outlet of the second filter element 17, flows into the water inlet of the first cavity 12 through the first switch 14, is mixed with acidic cleaning agent in the first cavity 12 to generate acidic cleaning water, flows into the water inlet of the second cavity 13 after merging with the water outlet of the first cavity 12 and flows out of the first water outlet of the first filter element 11, flows into the first filter element 11 through the water outlet of the second cavity 13 to perform acidic water cleaning, and can dissolve deposited scale on the membrane surface of the first filter element 11 and in a membrane hole. The value range of the third preset duration may be preferably 20 minutes to 25 minutes, and the value range of the fourth preset duration may be preferably 5 minutes to 10 minutes.
At the end of the second-stage cleaning phase, the consumption of the cleaning agent in the cleaning module is completed, the second switch 15 and the fourth switch 19 can be controlled to be opened, the first switch 14, the third switch 16 and the fifth switch 21 are controlled to be closed, the water source to be filtered flows into the second filter element 17 through the first water inlet of the second filter element 17, flows out of the second water outlet of the second filter element 17 after being filtered through the front filter element in the second filter element 17, flows into the water inlet of the first filter element 11 through the second cavity 13 and the booster pump 18 of the cleaning module, flows out of the filtered water outlet of the first filter element 11 after being filtered through the first filter element 11, flows into the second filter element 17 through the second water inlet of the second filter element 17 after being filtered through the rear filter element in the second filter element 17, flows into the pipeline machine, and flows into the drinking water outlet through the fourth switch 19. The fifth switch 21 can be controlled to be turned on, and the first switch 14, the second switch 15, the third switch 16 and the fourth switch 19 are controlled to be turned off, so that a water source to be filtered flows into the second filter element 17 through the first water inlet of the second filter element 17, flows out of the second water outlet of the second filter element 17 after being filtered by the front filter element in the second filter element 17, and flows to the purified water outlet after passing through the fifth switch 21.
The first switch 14, the second switch 15, the third switch 16, the fourth switch 19, and the fifth switch 21 may preferably be solenoid valves, and the present utility model may not specifically limit the types of the first switch 14, the second switch 15, the third switch 16, the fourth switch 19, and the fifth switch 21.
In summary, according to the self-cleaning water purification system provided by the embodiment of the utility model, the first filter element is cleaned, so that the water quality and the flow of the effluent of the self-cleaning water purification system can be improved, the service life of the filter element is further prolonged, the replacement cost of the filter element is reduced, and the use experience of a user is further improved.
Fig. 3 is a block diagram schematically illustrating a water purifier according to an embodiment of the present utility model.
Specifically, as shown in fig. 3, the water purifier 1000 includes the self-cleaning water purification system 100 according to the above-described embodiment of the present utility model.
According to the water purifier provided by the embodiment of the utility model, the self-cleaning water purifying system is adopted to clean the first filter element, so that the water quality and the flow of the water discharged by the self-cleaning water purifying system can be improved, the service life of the filter element is further prolonged, the replacement cost of the filter element is reduced, and the use experience of a user is further improved.
In addition, other structures and functions of the water purifier according to the embodiments of the present utility model are known to those skilled in the art, and are not described herein for redundancy reduction.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (11)
1. A self-cleaning water purification system, the system comprising:
The filter module comprises a first filter element, and the first filter element is used for filtering a water source to be filtered;
The cleaning module comprises a first cavity and a second cavity which are mutually independent, wherein the first cavity is used for storing an acidic cleaning agent, the second cavity is used for storing an alkaline cleaning agent, the water outlet of the first cavity is connected with the water inlet or the water outlet of the second cavity, and the water outlet of the second cavity is connected with the water inlet of the first filter element;
the switch module comprises a plurality of switches, and at least one switch of the switch module is arranged at a water inlet of the cleaning module;
The control module is used for controlling the switch module to utilize the alkaline cleaning agent to carry out alkaline cleaning on the first filter element and the acidic cleaning agent to carry out acidic cleaning on the first filter element.
2. The self-cleaning water purification system of claim 1, wherein the first filter element comprises a filtered water outlet and a waste water outlet, the switch module comprises a first switch, a second switch and a third switch, the first switch is disposed at the water inlet of the first cavity, the second switch is disposed at the water inlet of the second cavity, and the third switch is disposed at the waste water outlet of the first filter element.
3. The self-cleaning water purification system of claim 2, wherein the filtration module further comprises a second filter element, a first water inlet of the second filter element is connected with the water outlet of the water source to be filtered, a first water outlet of the second filter element is connected with the water inlet of the second cavity through the second switch, a second water inlet of the second filter element is connected with the filtered water outlet of the first filter element, and a second water outlet of the second filter element is connected with the water inlet of the first cavity through the first switch.
4. A self-cleaning water purification system according to claim 3, wherein the control module is specifically configured to:
Controlling the second switch and the third switch to be opened and the first switch to be closed so as to perform alkaline cleaning on the first filter element by using the alkaline cleaning agent;
And when the alkaline cleaning is finished, controlling the first switch to be turned on so as to utilize the acidic cleaning agent to perform acidic cleaning on the first filter element.
5. The self-cleaning water purification system of claim 4, further comprising a booster pump disposed between the water outlet of the second cavity and the water inlet of the first filter cartridge, the control module further configured to:
Acquiring the time length of the first filter element in the alkaline cleaning stage;
And when the time length is greater than or equal to a first preset time length, controlling the booster pump to be started, and when the time length of the booster pump started is greater than or equal to a second preset time length, completing alkaline cleaning of the first filter element.
6. The self-cleaning water purification system of claim 4, wherein upon completion of the alkaline cleaning, the control module is further configured to:
And controlling the third switch to be turned off, and controlling the third switch to be continuously turned on for a fourth preset time length when the turn-off time length of the third switch is longer than or equal to a third preset time length so as to finish the acidic cleaning of the first filter element.
7. The self-cleaning water purification system of claim 6, wherein the consumption of cleaning agent in the cleaning module is completed at the end of the acidic cleaning phase.
8. The self-cleaning water purification system of claim 7, further comprising a potable water outlet and a pipeline machine interface, the switch module further comprising a fourth switch and a high-voltage switch, the fourth switch disposed between the potable water outlet and the high-voltage switch, the high-voltage switch further connected to the second water outlet of the second filter cartridge, the pipeline machine interface connected to the second water outlet of the second filter cartridge, the control module further configured to:
The second switch, the fourth switch and the high-voltage switch are controlled to be turned on, and the first switch and the third switch are controlled to be turned off, so that the water source to be filtered is filtered by the first filter element and the second filter element, and then water is discharged through the drinking water outlet or the pipeline machine.
9. The self-cleaning water purification system of claim 7, further comprising a purified water outlet, the switch module further comprising a fifth switch disposed between the purified water outlet and the first outlet of the second cartridge, the control module further configured to:
And controlling the fifth switch to be turned on, and the first switch, the second switch and the third switch to be turned off so as to utilize the second filter element to filter the water source to be filtered and then to discharge water through the purified water outlet.
10. The self-cleaning water purification system according to any one of claims 3-9, further comprising a first one-way valve and a second one-way valve, wherein a water inlet of the first one-way valve is connected with a second water outlet of the second filter cartridge, a water outlet of the first one-way valve is connected with one end of the first switch, a water inlet of the second one-way valve is connected with the other end of the first switch, and a water outlet of the second one-way valve is connected with a water inlet of the first cavity.
11. A water purifier comprising the self-cleaning water purification system of any one of claims 1-10.
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| CN202421636618.2U CN222795265U (en) | 2024-07-10 | 2024-07-10 | Self-cleaning water purification system and water purifier |
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| CN202421636618.2U CN222795265U (en) | 2024-07-10 | 2024-07-10 | Self-cleaning water purification system and water purifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118724180A (en) * | 2024-07-10 | 2024-10-01 | 佛山市美的清湖净水设备有限公司 | Self-cleaning water purification system and water purifier |
| CN118724178A (en) * | 2024-07-10 | 2024-10-01 | 佛山市美的清湖净水设备有限公司 | Self-cleaning water purification system and water purifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118724180A (en) * | 2024-07-10 | 2024-10-01 | 佛山市美的清湖净水设备有限公司 | Self-cleaning water purification system and water purifier |
| CN118724178A (en) * | 2024-07-10 | 2024-10-01 | 佛山市美的清湖净水设备有限公司 | Self-cleaning water purification system and water purifier |
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