An intermittent regeneration control method and system for an electrosorption cartridge

Abstract

The application discloses an intermittent regeneration control method and system of an electrosorption filter element. The method is as follows: setting a regeneration condition of the electrosorption filter element, and regenerating the electrosorption filter element when the capacity of the electrosorption filter element meets the regeneration condition; the regeneration condition is that the residual capacity of the electrosorption filter element is less than 90%. The method can regenerate the electrosorption filter element in time, the single regeneration time is short, the electrosorption filter element can keep enough capacity, and users do not need to wait for the regeneration of the electrosorption filter element, and the users can use water at any time. The system adopts the intermittent regeneration control method of the electrosorption filter element, and can produce water at any time, and users do not need to wait.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electrosorption filter cartridges, and particularly relates to an intermittent regeneration control method and system for an electrosorption filter cartridge. BACKGROUND

[0002] With the progress of society and the improvement of people's living standards, people pay more and more attention to the health of their diet and water. Currently, tap water is usually treated by chlorination, which can effectively prevent water-borne diseases, but tap water contains salt, impurities and residual chlorine, and does not have the condition of direct drinking. Therefore, water needs to be purified before drinking.

[0003] In order to achieve the purification of water, the water can be treated by an electrosorption filter cartridge. The electrosorption filter cartridge purifies water by adsorbing ions in water, and needs to be regenerated after being used for a period of time. In the prior art, the electrosorption filter cartridge is regenerated only when the water produced by the electrosorption filter cartridge does not meet the standard, that is, the electrosorption filter cartridge is regenerated only when the capacity of the electrosorption filter cartridge is exhausted. The entire regeneration process of the electrosorption filter cartridge takes a long time, and during the regeneration, the inside of the electrosorption filter cartridge is filled with waste water, so that the electrosorption filter cartridge cannot produce purified water, resulting in that the user needs to wait for a long time. SUMMARY

[0004] The purpose of the present application is to provide an intermittent regeneration control method for an electrosorption filter cartridge, which can regenerate the electrosorption filter cartridge in time, and the single regeneration takes a short time, so that the electrosorption filter cartridge maintains sufficient capacity, and the user does not need to wait for the regeneration of the electrosorption filter cartridge, and the user can use water at any time.

[0005] The purpose of the present application is to provide an intermittent regeneration control system for an electrosorption filter cartridge, which adopts the intermittent regeneration control method for the electrosorption filter cartridge, and can produce water at any time, so that the user does not need to wait.

[0006] To achieve this purpose, the present application adopts the following technical solutions:

[0007] An intermittent regeneration control method for an electrosorption filter cartridge, a regeneration condition of the electrosorption filter cartridge is set, and when the capacity of the electrosorption filter cartridge meets the regeneration condition, the electrosorption filter cartridge is regenerated.

[0008] The regeneration condition is that the remaining capacity of the electrosorption filter cartridge is less than 90%.

[0009] Further, a first regeneration mode or a second regeneration mode is selected according to the remaining capacity of the electrosorption filter cartridge.

[0010] The first regeneration mode is that when the remaining capacity of the electrosorption filter cartridge is x1%, the regeneration capacity of the single regeneration of the electrosorption filter cartridge is y1%, wherein 50≤x1≤70 and 20≤y1≤40.

[0011] The second regeneration mode is that when the residual capacity of the electrode adsorption filter core is x2%, the regeneration capacity of a single regeneration of the electrode adsorption filter core is y2%, x2>70, and 5≤y2≤20.

[0012] Further, a preset regeneration period is obtained or the idle time of the electrode adsorption filter core is obtained according to the water use of a user, the idle time of the electrode adsorption filter core is compared with the regeneration time consumption of the first regeneration mode and / or the second regeneration mode, and a regeneration period is obtained.

[0013] The electrode adsorption filter core is regenerated in the regeneration period.

[0014] Further, the method comprises the following steps:

[0015] S101, setting a regeneration condition of an electrode adsorption filter core;

[0016] S102, obtaining a residual capacity of the electrode adsorption filter core, judging whether the electrode adsorption filter core meets the regeneration condition, and if yes, proceeding to step S103;

[0017] S103, selecting a first regeneration mode or a second regeneration mode according to the residual capacity of the electrode adsorption filter core;

[0018] S104, judging whether a regeneration period is reached, and if yes, regenerating the electrode adsorption filter core;

[0019] S105, after a single regeneration of the electrode adsorption filter core according to the selected regeneration mode, returning to step S102 until the capacity of the electrode adsorption filter core is restored to 100%.

[0020] Further, the method comprises the following steps:

[0021] S201, setting a regeneration condition of an electrode adsorption filter core;

[0022] S202, obtaining a residual capacity of the electrode adsorption filter core, judging whether the electrode adsorption filter core meets the regeneration condition, and if yes, proceeding to step S203;

[0023] S203, judging whether a regeneration period is reached, and if yes, proceeding to step S204;

[0024] S204, selecting a first regeneration mode or a second regeneration mode according to the residual capacity of the electrode adsorption filter core;

[0025] S205, after a single regeneration of the electrode adsorption filter core according to the selected regeneration mode, returning to step S202 until the capacity of the electrode adsorption filter core is restored to 100%.

[0026] Further, when the residual capacity of the electrodeposition filter core is less than 50%, it is determined whether it is in the regeneration period;

[0027] If yes, the regeneration capacity of the single regeneration of the electrodeposition filter core is greater than 40%;

[0028] If no, the regeneration capacity of the single regeneration of the electrodeposition filter core is less than 20%.

[0029] Further, the method comprises the following steps:

[0030] S301, setting the regeneration condition of the electrodeposition filter core;

[0031] S302, acquiring the residual capacity of the electrodeposition filter core, determining whether the electrodeposition filter core meets the regeneration condition, and if yes, proceeding to step S303;

[0032] S303, determining whether the residual capacity of the electrodeposition filter core is less than 50%, and if yes, proceeding to step S304, and if no, proceeding to step S307;

[0033] S304, determining whether it is in the regeneration period, and if yes, proceeding to step S305, and if no, proceeding to step S306;

[0034] S305, the regeneration capacity of the single regeneration of the electrodeposition filter core is greater than 40%, and proceeding to step S308;

[0035] S306, the regeneration capacity of the single regeneration of the electrodeposition filter core is less than 20%, and proceeding to step S308;

[0036] S307, selecting the first regeneration mode or the second regeneration mode according to the residual capacity of the electrodeposition filter core, determining whether it is in the regeneration period, and if yes, regenerating the electrodeposition filter core;

[0037] S308, after the electrodeposition filter core is regenerated once, returning to step S303 until the capacity of the electrodeposition filter core is restored to 100%.

[0038] Further, the residual capacity of the electrodeposition filter core is preset as the regeneration time T or the regeneration electric quantity Q from zero to full regeneration;

[0039] The regeneration time t or the regeneration electric quantity q of the regeneration of the electrodeposition filter core is calculated, and the regeneration capacity of the electrodeposition filter core is calculated according to t / T or q / Q.

[0040] Further, the capacity of the electrodeposition filter core is calculated according to the total salt quantity, the total electric quantity or the total water production quantity, and the residual capacity of the electrodeposition filter core is calculated according to the processed salt quantity, the processed electric quantity or the processed water quantity.

[0041] An intermittent regeneration control system of an electrosorption filter core, which adopts the intermittent regeneration control method of the electrosorption filter core, the system comprising an electrosorption filter core, a regeneration water path, a flow meter, a TDS sensor, a setting module, a capacity calculation module and a regeneration judgment module;

[0042] The electrosorption filter core is communicated with the regeneration water path, and the regeneration water path is used for regenerating the electrosorption filter core;

[0043] The water outlet end of the electrosorption filter core is communicated with the flow meter, and the flow meter is used for obtaining the water production of the electrosorption filter core and sending to the capacity calculation module;

[0044] The water inlet and outlet ends of the electrosorption filter core are respectively provided with the TDS sensor, and the TDS sensor is used for obtaining the water flow salt of the water inlet and outlet ends of the electrosorption filter core and sending to the capacity calculation module;

[0045] The setting module is used for setting the regeneration condition of the electrosorption filter core;

[0046] The capacity calculation module is used for calculating the residual capacity of the electrosorption filter core according to the signals sent by the flow meter and / or the TDS sensor;

[0047] The regeneration judgment module is used for regenerating the electrosorption filter core according to the residual capacity of the electrosorption filter core and the regeneration condition.

[0048] The technical scheme provided by the application can include the following beneficial effects:

[0049] 1. The intermittent regeneration is carried out in the use process of the electrosorption filter core, the electrosorption filter core continuously maintains a high capacity (water production capacity), and a large amount of clean water can be provided for the user at any time. The intermittent regeneration is adopted, the regeneration time of the electrosorption filter core is short each time, the user does not need to wait for the regeneration of the electrosorption filter core, and the user can use water at any time. In addition, the regeneration condition is that the residual capacity of the electrosorption filter core is less than 90%, that is, when the residual capacity of the electrosorption filter core is less than 90%, the regeneration is started, the regeneration time is further shortened, and the electrosorption filter core maintains a large capacity;

[0050] 2. The first regeneration mode and the second regeneration mode are set, and the two kinds of regeneration are respectively suitable for the regeneration of the electrosorption filter core under different residual capacities. On the one hand, the electrosorption filter core can continuously maintain a large capacity, and a large amount of water production can be provided for the user. On the other hand, when the residual capacity of the electrosorption filter core is small, the regeneration of the electrosorption filter core with a large capacity is carried out, and the regeneration time of the electrosorption filter core after water production is short;

[0051] 3. Set the regeneration period of the electrodeposition filter element, so that the electrodeposition filter element is regenerated in the regeneration period, further avoiding the user waiting for water when the electrodeposition filter element is regenerated;

[0052] 4. The system can use the above method to regenerate the electrodeposition filter element intermittently, the regeneration time is short and the electrodeposition filter element maintains a large capacity, and the user can use water at any time. BRIEF DESCRIPTION OF DRAWINGS

[0053] Figure 1 is a flowchart of the intermittent regeneration control method of the electrodeposition filter element of an embodiment of the present application;

[0054] Figure 2 is a flowchart of the intermittent regeneration control method of the electrodeposition filter element of another embodiment of the present application;

[0055] Figure 3 is a flowchart of the intermittent regeneration control method of the electrodeposition filter element of another embodiment of the present application. DETAILED DESCRIPTION

[0056] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numbers represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0057] The present application provides an intermittent regeneration control method of an electrodeposition filter element, setting the regeneration condition of the electrodeposition filter element, and regenerating the electrodeposition filter element when the capacity of the electrodeposition filter element meets the regeneration condition.

[0058] The regeneration condition is that the remaining capacity of the electrodeposition filter element is less than 90%.

[0059] In the prior art, the electrodeposition filter element is regenerated only after the capacity is exhausted, the regeneration time is long and water cannot be produced during regeneration, resulting in a long waiting time for the user. In order to solve this problem, the present application provides an intermittent regeneration control method of an electrodeposition filter element, which is regenerated intermittently during use, and the electrodeposition filter element continuously maintains a high capacity (water production capacity) and can provide a large amount of water to the user at any time. In addition, the regeneration condition is that the remaining capacity of the electrodeposition filter element is less than 90%, i.e. when the remaining capacity of the electrodeposition filter element is less than 90%, regeneration is started, further reducing the regeneration time and maintaining a large capacity of the electrodeposition filter element.

[0060] The electric adsorption filter core in the method is any one of a capacitive desalination filter core, a membrane capacitive desalination filter core and a bipolar membrane filter core; preferably, the electric adsorption filter core in the application is a bipolar membrane filter core. When the electric adsorption filter core is powered on, directional migration of cations and anions in water is caused and the cations and anions are adsorbed on the filter core membrane, so that purification treatment of water is realized.

[0061] In the application, the capacity of the electric adsorption filter core is calculated according to total salt content, total electricity or total water production, and the residual capacity of the electric adsorption filter core is calculated according to the processed salt content, processed electricity or processed water content of the electric adsorption filter core.

[0062] The total water production of the electric adsorption filter core is water production capacity, and in the application, the total water production of the electric adsorption filter core refers to the water content that can be treated by the filter core under the conditions of meeting the specified voltage, current, water flow and desalination rate; for example, the flow is 2L / min, the desalination rate is required to be 90%, and the electric adsorption filter core can treat 10L of water. When the cumulative water production of the electric adsorption filter core is greater than 10L, the desalination rate of the electric adsorption filter core is lower than 90%, which leads to that the desalination effect cannot meet the target, and at this time, the residual capacity of the electric adsorption filter core is limited to 0. Illustratively, the capacity of an electric adsorption filter core is 10L, and when the residual capacity of the electric adsorption filter core is less than 9L, the electric adsorption filter core is regenerated. Therefore, in the method of the application, the capacity of the electric adsorption filter core is calculated according to the water content that is processed under the conditions of a specific flow, desalination rate, voltage and current, and the residual capacity of the electric adsorption filter core is calculated according to the processed water content of the electric adsorption filter core. It should be noted that in the application, the total capacity of the electric adsorption filter core is determined by experiment, that is, the water content that can be treated by the filter core under the conditions of meeting the specified voltage, current, water flow and desalination rate, rather than being calculated according to the ion adsorption capacity of the electric adsorption filter core, so as to obtain a more accurate total capacity of the electric adsorption filter core.

[0063] The capacity of the electric adsorption filter core calculated according to total salt content T refers to the total salt content adsorbed by the electric adsorption filter core cumulatively, and when the salt content adsorbed by the electric adsorption filter core cumulatively reaches the total salt content set value, the desalination effect cannot meet the target. The calculation method of the processed salt content of the electric adsorption filter core is that the processed salt content t is calculated according to the salt content T1 of the raw water entering the electric adsorption filter core, the salt content T2 of the purified water discharged from the electric adsorption filter core and the water production V, that is, t=(T1-T2)×V, and the residual capacity of the electric adsorption filter core is the difference between the residual capacity obtained by the last calculation and t / T×100%.

[0064] The capacity of the electric adsorption filter core calculated according to total electricity Q refers to the cumulative power consumption for water production of the electric adsorption filter core, and when the water production power consumption of the electric adsorption filter core cumulatively reaches the total electricity set value, the desalination effect cannot meet the target. The processed electricity q of the electric adsorption filter core is the cumulative water production power consumption of the electric adsorption filter core, and the residual capacity of the electric adsorption filter core is the difference between the residual capacity obtained by the last calculation and q / Q×100%.

[0065] In an embodiment, when the residual capacity of the electrodeposition filter element is less than 90%, the electrodeposition filter element is completely regenerated, i.e. the capacity of the electrodeposition filter element is restored to 100%. However, during the use of the electrodeposition filter element, the residual capacity of the electrodeposition filter element has a large range based on the water consumption of the user. Therefore, further, the first regeneration mode or the second regeneration mode is selected according to the residual capacity of the electrodeposition filter element.

[0066] The first regeneration mode is that when the residual capacity of the electrodeposition filter element is x1%, the regeneration capacity of the single regeneration of the electrodeposition filter element is y1%, wherein 50≤x1≤70 and 20≤y1≤40.

[0067] The second regeneration mode is that when the residual capacity of the electrodeposition filter element is x2%, the regeneration capacity of the single regeneration of the electrodeposition filter element is y2%, wherein x2>70 and 5≤y2≤20.

[0068] When the residual capacity of the electrodeposition filter element is small, in order to keep a large capacity of the electrodeposition filter element, a large regeneration capacity of single regeneration is set, i.e. the first regeneration mode: when the residual capacity of the electrodeposition filter element is 50%-70%, the regeneration capacity of single regeneration is between 20%-40%. Preferably, the first regeneration mode is divided into multiple sub-regeneration modes, i.e. when the residual capacity x1% of the electrodeposition filter element is 50≤x1≤55, the regeneration capacity of single regeneration is 40%, when the residual capacity x1% of the electrodeposition filter element is 65≤x1≤70, the regeneration capacity of single regeneration is 20%, and when the residual capacity x1% of the electrodeposition filter element is 55

[0069] When the residual capacity of the electrodeposition filter element is large, the regeneration time is shorter while keeping a large capacity of the filter element, a small regeneration capacity of single regeneration is set, i.e. the second regeneration mode: when the residual capacity of the electrodeposition filter element is greater than 70%, the regeneration capacity of single regeneration is between 5%-15%. Preferably, the second regeneration mode is divided into multiple sub-regeneration modes, i.e. when the residual capacity x1% of the electrodeposition filter element is 70

[0070] By setting the first regeneration mode and the second regeneration mode, the two regenerations are respectively suitable for the regeneration of the electric adsorption filter core under different residual capacities, the electric adsorption filter core has less residual capacity and is regenerated with larger capacity, the electric adsorption filter core has more residual capacity and is regenerated with smaller capacity, on the one hand, the electric adsorption filter core can continuously maintain larger capacity, and a larger amount of water can be provided for the user, on the other hand, the electric adsorption filter core is regenerated with larger capacity when the residual capacity of the electric adsorption filter core is less, the regeneration time of the electric adsorption filter core after water production is short, and the user does not need to wait for water.

[0071] In order to further avoid the user waiting for water when the electric adsorption filter core is regenerated, the regeneration period of the electric adsorption filter core is set, and the electric adsorption filter core is regenerated in the regeneration period. Specifically, the regeneration period is preset, or the idle time of the electric adsorption filter core is obtained according to the water use of the user, the idle time of the electric adsorption filter core is compared with the regeneration time of the first regeneration mode and / or the second regeneration mode, and the regeneration period is obtained.

[0072] The electric adsorption filter core is regenerated in the regeneration period.

[0073] In an embodiment, the regeneration period is set in a preset manner, that is, the user can preset the regeneration period according to his own habits, for example, the regeneration period is set to be a certain period or a certain period in 0-5 o'clock and / or 9-16 o'clock. It can be understood that the setting of the regeneration period is related to the regeneration time of the first regeneration mode and the second regeneration mode, so that the length of the regeneration period is at least equal to the maximum regeneration time of the first regeneration mode.

[0074] In another embodiment, the idle time of the electric adsorption filter core is obtained according to the water use of the user, and the idle time of the electric adsorption filter core is compared with the regeneration time of the first regeneration mode and / or the second regeneration mode to obtain the regeneration period. That is, the idle time of the electric adsorption filter core is obtained by counting the water use of the user, and the period of the idle time may be more. The period of the idle time is compared with the regeneration time of the first regeneration mode and / or the second regeneration mode to obtain the regeneration period. Specifically, the period of the idle time of the electric adsorption filter core is compared with the first regeneration mode and the second regeneration mode respectively, and the regeneration period of the first regeneration mode and the regeneration period of the second regeneration mode are obtained. Therefore, based on the smaller regeneration capacity of the second regeneration mode, the regeneration time is short, and the short period in the idle time of the electric adsorption filter core can be regenerated in a small amount by the second regeneration mode.

[0075] In a specific application, the intermittent regeneration control method of the electric adsorption filter cartridge of the present application is applied to a water purifier. The water purifier first sets a default regeneration period in the factory setting, for example, the default regeneration period is set to 0-5 hours. After the water purifier is used for a period of time, for example, after being used for 7 days or 10 days, the idle time of the electric adsorption filter cartridge is obtained by counting the water usage of the user, and then the regeneration period is obtained according to the regeneration time consumption of the first regeneration mode and / or the second regeneration mode.

[0076] Preferably, there are multiple regeneration periods, and the first regeneration mode and the second regeneration mode correspond to one or more regeneration periods respectively, so that the regeneration period selection of the electric adsorption filter cartridge is more flexible, which is more conducive to keeping a high capacity of the electric adsorption filter cartridge and further shortening the single regeneration time. It can be understood that if the remaining capacity of the electric adsorption filter cartridge is small during the regeneration period corresponding to the first regeneration mode, the second regeneration mode is used to regenerate the electric adsorption filter cartridge.

[0077] Based on the water purification principle of the electric adsorption filter cartridge, when the electric adsorption filter cartridge is regenerated, the ions attached to the filter cartridge membrane are desorbed. At this time, the regeneration electric quantity of the electric adsorption filter cartridge can be used to reflect the regeneration degree of the electric adsorption filter cartridge. When the electric adsorption filter cartridge is regenerated, the desorbed ions enter the water and are carried out by the water flow. Based on the stable voltage and stable water flow used in the regeneration of the electric adsorption filter cartridge, theoretically, the amount of ion desorption on the filter cartridge membrane is certain in unit time. At this time, the regeneration time consumption can be used to reflect the regeneration degree of the electric adsorption filter cartridge. Therefore, the regeneration capacity of the electric adsorption filter cartridge is calculated by the regeneration time consumption or the regeneration electric quantity of the electric adsorption filter cartridge. Further, the remaining capacity of the electric adsorption filter cartridge is preset to be zero to the regeneration time T or the regeneration electric quantity Q of complete regeneration; the regeneration time t or the regeneration electric quantity q of the electric adsorption filter cartridge during regeneration is calculated, and the regeneration capacity of the electric adsorption filter cartridge is calculated according to t / T or q / Q. That is, the values of y1% and y2% are calculated by t / T or q / Q. Wherein, the regeneration time T or the regeneration electric quantity Q is determined by experiment. The method of the present application has high calculation accuracy in calculating the regeneration capacity of the electric adsorption filter cartridge, and can keep a large capacity in the actual use process of the electric adsorption filter cartridge.

[0078] Further, referring to Figure 1 In an embodiment, the method comprises the following steps:

[0079] S101, setting the regeneration condition of the electric adsorption filter cartridge;

[0080] S102, obtaining the remaining capacity of the electric adsorption filter cartridge, judging whether the electric adsorption filter cartridge meets the regeneration condition, if yes, proceeding to step S103;

[0081] S103, selecting the first regeneration mode or the second regeneration mode according to the remaining capacity of the electric adsorption filter cartridge;

[0082] S104, judging whether it is in the regeneration period, if yes, regenerating the electric adsorption filter element;

[0083] S105, after regenerating the electric adsorption filter element once according to the selected regeneration mode, returning to step S102 until the capacity of the electric adsorption filter element recovers to 100%.

[0084] In this embodiment, when the electric adsorption filter element meets the regeneration condition, the regeneration mode is selected according to the residual capacity of the electric adsorption filter element first, and then whether it is in the regeneration period is judged, so that small capacity regeneration in a long period can be realized.

[0085] Specifically, in step S101, the regeneration period of the electric adsorption filter element is also set, and the method of setting the regeneration period of the electric adsorption filter element is the same as the above-mentioned method of setting the regeneration period by the user or generating the regeneration period by the idle time of the electric adsorption filter element. In step S103, preferably, the first regeneration mode or the second regeneration mode is selected according to the residual capacity of the electric adsorption filter element first, and then the corresponding sub-regeneration mode is selected according to the residual capacity of the electric adsorption filter element. By subdividing the first regeneration mode and the second regeneration mode, the regeneration time can be further shortened, and the regeneration efficiency can be improved. It can be understood that when the regeneration capacity of the selected regeneration mode is greater than 100% plus the residual capacity of the electric adsorption filter element, the regeneration is stopped when the capacity of the electric adsorption filter element recovers to 100%.

[0086] Further, with reference to Figure 2 In an embodiment, the method comprises the following steps:

[0087] S201, setting the regeneration condition of the electric adsorption filter element;

[0088] S202, obtaining the residual capacity of the electric adsorption filter element, judging whether the electric adsorption filter element meets the regeneration condition, if yes, proceeding to step S203;

[0089] S203, judging whether it is in the regeneration period, if yes, proceeding to step S204;

[0090] S204, selecting the first regeneration mode or the second regeneration mode according to the residual capacity of the electric adsorption filter element;

[0091] S205, after regenerating the electric adsorption filter element once according to the selected regeneration mode, returning to step S202 until the capacity of the electric adsorption filter element recovers to 100%.

[0092] In the embodiment, when the electric adsorption filter meets the regeneration condition, it is firstly determined whether it is in the regeneration period, and then the regeneration mode is selected according to the residual capacity of the electric adsorption filter, and then the regeneration mode is matched with the regeneration period, so that the small-capacity regeneration in a large time period is realized. Specifically, in step S204, preferably, the first regeneration mode or the second regeneration mode is firstly selected according to the residual capacity of the electric adsorption filter, and then the corresponding sub-regeneration mode is selected according to the residual capacity of the electric adsorption filter; and the regeneration time of the self-regeneration mode is compared with the regeneration period, and when the two are matched, step S205 is performed. As same as the last embodiment, by subdividing the first regeneration mode and the second regeneration mode, the regeneration time can be further shortened, and the regeneration efficiency can be improved. It can be understood that when the regeneration capacity of the selected regeneration mode is greater than 100% when added to the residual capacity of the electric adsorption filter, the regeneration is stopped when the capacity of the electric adsorption filter is restored to 100%.

[0093] When the electric adsorption filter produces water, if the user has a large water consumption at one time, the residual capacity of the electric adsorption filter is small, and the electric adsorption filter needs to be regenerated in a large capacity, therefore, further, when the residual capacity of the electric adsorption filter is less than 50%, it is determined whether it is in the regeneration period;

[0094] If yes, the regeneration capacity of the electric adsorption filter regenerated at one time is greater than 40%;

[0095] If no, the regeneration capacity of the electric adsorption filter regenerated at one time is less than 20%.

[0096] Because the residual capacity of the electric adsorption filter is too small, the electric adsorption filter needs to be regenerated, otherwise the water supply to the user will be affected. The large-capacity regeneration is selected in the regeneration period, and the small-capacity regeneration is selected in the period of frequent water consumption. Preferably, the large-capacity regeneration of the electric adsorption filter is performed in the regeneration period corresponding to the first regeneration mode.

[0097] Further, referring to Figure 3 In an embodiment, the method comprises the following steps:

[0098] S301, setting the regeneration condition of the electric adsorption filter;

[0099] S302, acquiring the residual capacity of the electric adsorption filter, determining whether the electric adsorption filter meets the regeneration condition, if yes, step S303 is performed;

[0100] S303, determining whether the residual capacity of the electric adsorption filter is less than 50%, if yes, step S304 is performed, if no, step S307 is performed;

[0101] S304, determining whether it is in the regeneration period, if yes, step S305 is performed, if no, step S306 is performed;

[0102] S305, if the regeneration capacity of the single regeneration of the electrodeposition filter element is greater than 40%, step S308 is performed;

[0103] S306, if the regeneration capacity of the single regeneration of the electrodeposition filter element is less than 20%, step S308 is performed;

[0104] S307, according to the residual capacity of the electrodeposition filter element, the first regeneration mode or the second regeneration mode is selected, it is judged whether it is in the regeneration period, if yes, the electrodeposition filter element is regenerated;

[0105] S308, after the electrodeposition filter element is regenerated once, step S303 is returned until the capacity of the electrodeposition filter element recovers to 100%.

[0106] In the embodiment, the residual capacity of the electrodeposition filter element is divided into multiple stages, different stages correspond to different regeneration modes, and the capacity of the electrodeposition filter element recovers to 100%. In other embodiments, it is first judged whether it is in the regeneration period, and then the residual capacity of the electrodeposition filter element is judged, if the residual capacity of the electrodeposition filter element is less than 50% and it is in the regeneration period, step S305 is performed, if the residual capacity of the electrodeposition filter element is less than 50% and it is not in the regeneration period, step S306 is performed.

[0107] It should be noted that the regeneration of the filter element can exceed 100%, the longer the regeneration time, the better the water production effect, but too much wastewater will not be regenerated for too long.

[0108] An intermittent regeneration control system of an electrodeposition filter element, the system adopts the intermittent regeneration control method of the electrodeposition filter element, the system comprises an electrodeposition filter element, a regeneration water path, a flow meter, a setting module, a capacity calculation module and a regeneration judgment module;

[0109] The electrodeposition filter element is connected with the regeneration water path, and the regeneration water path is used for regenerating the electrodeposition filter element;

[0110] The water outlet end of the electrodeposition filter element is connected with the flow meter, and the flow meter is used for obtaining the water production of the electrodeposition filter element;

[0111] The setting module is used for setting the regeneration condition of the electrodeposition filter element;

[0112] The capacity calculation module is used for calculating the residual capacity of the electrodeposition filter element according to the water production of the electrodeposition filter element;

[0113] The regeneration judgment module is used for judging whether the electrodeposition filter element is regenerated according to the residual capacity of the electrodeposition filter element and the regeneration condition.

[0114] Based on the method of calculating the capacity of the electric adsorption filter core according to the water treatment amount in the application, the consumed capacity of the electric adsorption filter core can be obtained through the flow meter, and then the residual capacity of the electric adsorption filter core can be obtained. The system can use the above method to intermittently regenerate the electric adsorption filter core, the regeneration time is short, the electric adsorption filter core maintains a larger capacity, and the user can use water at any time. It can be understood that the intermittent regeneration control method and system of the electric adsorption filter core of the application are applied to a water purification device.

[0115] Preferably, the system further comprises a time module, the time module is used to obtain the regeneration time consumption of the electric adsorption filter core, the capacity calculation module is further used to calculate the regeneration capacity of the electric adsorption filter core according to the regeneration time consumption, and whether the capacity of the electric adsorption filter core is restored to 100% is judged. The time module is further used to store the regeneration period information, and the regeneration judgment module is further used to select the regeneration mode according to the residual capacity of the electric adsorption filter core and match the regeneration period for the regeneration mode.

[0116] Exemplarily, in an embodiment, the working process of the system of the application is as follows:

[0117] The setting module sets the regeneration condition and the regeneration period of the electric adsorption filter core, wherein the setting process of the regeneration period is user setting, factory setting or automatic setting according to the water use condition of the user;

[0118] The flow meter obtains the water production of the electric adsorption filter core and sends it to the capacity calculation module,

[0119] The capacity calculation module calculates the residual capacity of the electric adsorption filter core according to the water production of the electric adsorption filter core obtained by the flow meter, and sends the residual capacity to the regeneration judgment module;

[0120] The regeneration judgment module judges whether the residual capacity of the electric adsorption filter core meets the regeneration condition, if yes, the regeneration mode is selected according to the residual capacity of the electric adsorption filter core, and whether it is in the regeneration period is judged according to the time information of the time module, if yes, the regeneration instruction is sent to the regeneration waterway, the regeneration waterway regenerates the electric adsorption filter core once, at the same time, the time module obtains the regeneration time consumption of the electric adsorption filter core and sends it to the capacity judgment module, the capacity judgment module calculates the residual capacity of the electric adsorption filter core after one regeneration according to the regeneration time consumption and sends it to the regeneration judgment module. The regeneration judgment module judges again whether the residual capacity of the electric adsorption filter core meets the regeneration condition, and the cycle is repeated until the capacity of the electric adsorption filter core is restored to 100%.

[0121] Exemplarily, the intermittent regeneration control method and system of the electric adsorption filter core of the application are applied to a water purification device.

[0122] The other constitutions and operations of the intermittent regeneration control method and system of the electric adsorption filter core according to the embodiments of the application are known to those skilled in the art, and will not be described in detail here.

[0123] In the description of the specification, the description using the terms "embodiment", "example", and the like means that the specific 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 application. In the specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Also, the specific feature, structure, material, or characteristic described can be combined in an appropriate manner in any one or more embodiments or examples.

[0124] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A method for controlling the intermittent regeneration of an electroadsorption filter element, characterized in that, Set the regeneration conditions for the electro-adsorption filter element, and regenerate the electro-adsorption filter element when the capacity of the electro-adsorption filter element meets the regeneration conditions; The regeneration condition is that the remaining capacity of the electroadsorption filter element is less than 90%. Select either the first regeneration mode or the second regeneration mode based on the remaining capacity of the electroadsorption filter element; The first regeneration mode is as follows: when the remaining capacity of the electro-adsorption filter element is x1%, the regeneration capacity of the electro-adsorption filter element in a single regeneration is y1%, where 50≤x1≤70 and 20≤y1≤40. The second regeneration mode is as follows: when the remaining capacity of the electro-adsorption filter element is x2%, the regeneration capacity of the electro-adsorption filter element in a single regeneration is y2%, where x2>70, 5≤y2≤20; A pre-set regeneration period is selected, or the idle time of the electro-adsorption filter element is obtained based on the user's water usage. The idle time of the electro-adsorption filter element is compared with the regeneration time of the first regeneration mode and / or the second regeneration mode to obtain the regeneration period. The electroadsorption filter element is regenerated during the regeneration period; The method includes the following steps: S101. Set the regeneration conditions for the electroadsorption filter element; S102. Obtain the remaining capacity of the electroadsorption filter element and determine whether the electroadsorption filter element meets the regeneration conditions. If so, proceed to step S103. S103. Select the first regeneration mode or the second regeneration mode according to the remaining capacity of the electroadsorption filter element; S104. Determine whether it is in the regeneration period. If so, regenerate the electroadsorption filter element. S105. After regenerating the electroadsorption filter element once according to the selected regeneration mode, return to step S102 until the capacity of the electroadsorption filter element is restored to 100%.

2. The intermittent regeneration control method for the electroadsorption filter element according to claim 1, characterized in that, When the remaining capacity of the electroadsorption filter element is less than 50%, determine whether it is in the regeneration period; If so, the regeneration capacity of the electroadsorption filter element in a single regeneration is greater than 40%; If not, the regeneration capacity of the electroadsorption filter element in a single regeneration is less than 20%.

3. The intermittent regeneration control method for the electroadsorption filter element according to claim 2, characterized in that, The method includes the following steps: S301, Set the regeneration conditions for the electroadsorption filter element; S302. Obtain the remaining capacity of the electro-adsorption filter element and determine whether the electro-adsorption filter element meets the regeneration conditions. If so, proceed to step S303. S303. Determine whether the remaining capacity of the electroadsorption filter element is less than 50%. If yes, proceed to step S304; otherwise, proceed to step S307. S304. Determine whether it is in the regeneration period. If yes, proceed to step S305; otherwise, proceed to step S306. S305. If the regeneration capacity of the electroadsorption filter element is greater than 40% in a single regeneration, proceed to step S308. S306. If the regeneration capacity of the electroadsorption filter element is less than 20% in a single regeneration, proceed to step S308. S307. Select the first regeneration mode or the second regeneration mode according to the remaining capacity of the electro-adsorption filter element, and determine whether it is in the regeneration period. If so, regenerate the electro-adsorption filter element. S308. After regenerating the electroadsorption filter element once, return to step S303 until the capacity of the electroadsorption filter element is restored to 100%.

4. The intermittent regeneration control method for the electroadsorption filter element according to claim 2, characterized in that, The remaining capacity of the electroadsorption filter element is preset to the regeneration time T or regeneration power Q from zero to complete regeneration; Calculate the regeneration time t or regeneration charge q when the electroadsorption filter element is regenerated, and calculate the regeneration capacity of the electroadsorption filter element based on t / T or q / Q.

5. The intermittent regeneration control method for the electroadsorption filter element according to claim 1, characterized in that, The capacity of the electro-adsorption filter element is calculated based on the total salt content, total electricity consumption, or total water production. The remaining capacity of the electro-adsorption filter element is calculated based on the amount of salt, electricity, or water already treated by the filter element.

6. An intermittent regeneration control system for an electroadsorption filter element, characterized in that, The system employs the intermittent regeneration control method for the electro-adsorption filter element as described in any one of claims 1-5. The system includes an electro-adsorption filter element, a regeneration water circuit, a flow meter, a TDS sensor, a setting module, a capacity calculation module, and a regeneration judgment module. The electro-adsorption filter element is connected to the regeneration water circuit, which is used to regenerate the electro-adsorption filter element. The purified water outlet of the electro-adsorption filter element is connected to the flow meter, which is used to obtain the water production of the electro-adsorption filter element and send it to the capacity calculation module. The electro-adsorption filter element is equipped with TDS sensors at its water inlet and outlet ends. The TDS sensors are used to obtain the water flow salt volume at the water inlet and outlet ends of the electro-adsorption filter element and send it to the capacity calculation module. The setting module is used to set the regeneration conditions of the electroadsorption filter element; The capacity calculation module is used to calculate the remaining capacity of the electroadsorption filter element based on the signals sent by the flow meter and / or the TDS sensor; The regeneration judgment module is used to determine whether to regenerate the electroadsorption filter element based on its remaining capacity and regeneration conditions.

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