Water purifier control method, device and equipment and storage medium

Abstract

The invention relates to the technical field of water purifiers, and provides a water purifier control method, device and equipment and a storage medium, and the method comprises the following steps: when an instruction of starting water production is received, obtaining any random number from a preset random number range; if the random number is within a preset first range, firstly filtering tap water flowing in from a main water inlet through a first reverse osmosis membrane, then enabling wastewater output by the first reverse osmosis membrane to flow into a second reverse osmosis membrane for secondary filtration, and then enabling the wastewater to flow out from a main water outlet; if the random number is within a preset second range, firstly filtering the tap water flowing in from the main water inlet through a second reverse osmosis membrane, then enabling the wastewater output by the second reverse osmosis membrane to flow into the first reverse osmosis membrane for secondary filtration, and then enabling the wastewater to flow out from the main water outlet. According to the invention, the first reverse osmosis membrane or the second reverse osmosis membrane can be prevented from being invalid in advance due to overuse, so that the service life of each osmosis membrane in the reverse osmosis filter piece is prolonged.

Description

Technical Field

[0001] This application relates to the technical field of water purifiers, and particularly to a water purifier control method, device, equipment, and storage medium. Background Art

[0002] A water purifier is a device used to remove impurities, harmful substances, and odors from water and provide cleaner and healthier drinking water.

[0003] Since a reverse osmosis (RO) membrane can efficiently remove impurities from water, water purifiers usually use a reverse osmosis (RO) membrane to purify the water flowing into the purifier and then supply it to users.

[0004] However, in existing water purifiers, the water inlet direction of the reverse osmosis (RO) membrane remains unchanged, always entering from one end and exiting from the other end. Therefore, in a series water circuit of two RO membranes, due to the constant water inlet sequence of the reverse osmosis (RO) membrane, the rear-end reverse osmosis (RO) membrane is affected by high-concentration water inlet for a long time, resulting in a problem of rapid decline in service life. Summary of the Invention

[0005] Embodiments of this application provide a water purifier control method, device, computer equipment, and storage medium, aiming to solve the problem that the water inlet sequence of the existing reverse osmosis (RO) membrane remains unchanged, resulting in the rear-end reverse osmosis (RO) membrane being affected by high-concentration water inlet for a long time and having a rapid decline in service life.

[0006] In a first aspect, embodiments of this application provide a water purifier control method. The water purifier control device includes a water purifier and a controller electrically connected. The water purifier is provided with a reverse osmosis filter element, and the reverse osmosis filter element includes a first reverse osmosis membrane and a second reverse osmosis membrane. The water purifier is provided with a total water inlet and a total water outlet. Both the first reverse osmosis membrane and the second reverse osmosis membrane are located between the total water inlet and the total water outlet. The controller is used to execute the steps of the method; the method includes: When receiving an instruction to start water production, obtain any random number from a preset random number range; If the random number is within a preset first range, first filter the tap water flowing in from the total water inlet through the first reverse osmosis membrane, then flow the wastewater output by the first reverse osmosis membrane into the second reverse osmosis membrane for secondary filtration, and then flow out from the total water outlet; If the random number is within a preset second range, first filter the tap water flowing in from the total water inlet through the second reverse osmosis membrane, then flow the wastewater output by the second reverse osmosis membrane into the first reverse osmosis membrane for secondary filtration, and then flow out from the total water outlet.

[0007] In some possible embodiments, the water purifier further includes a first check valve and a second check valve. The first reverse osmosis membrane is provided with a first water inlet and a first wastewater outlet, and the second reverse osmosis membrane is provided with a second water inlet and a second wastewater outlet. The first water inlet and the second water inlet are both connected to the total water inlet, and the first wastewater outlet and the second wastewater outlet are both connected to the total water outlet. The first check valve is connected between the first wastewater outlet and the second water inlet, and the second check valve is connected between the second wastewater outlet and the first water inlet. The step of first filtering the tap water flowing in from the total water inlet through the first reverse osmosis membrane and then flowing the wastewater output from the first reverse osmosis membrane into the second reverse osmosis membrane for secondary filtering includes: Opening the first check valve and closing the second check valve, first filtering the tap water flowing in from the total water inlet through the first reverse osmosis membrane, and then flowing the wastewater output from the first reverse osmosis membrane into the second reverse osmosis membrane for secondary filtering. The step of first filtering the tap water flowing in from the total water inlet through the second reverse osmosis membrane and then flowing the wastewater output from the second reverse osmosis membrane into the first reverse osmosis membrane for secondary filtering includes: Closing the first check valve and opening the second check valve, first filtering the tap water flowing in from the total water inlet through the second reverse osmosis membrane, and then flowing the wastewater output from the second reverse osmosis membrane into the first reverse osmosis membrane for secondary filtering.

[0008] In some possible embodiments, the water purifier further includes a booster pump, a first water inlet valve, a second water inlet valve, a first normally closed valve, a second normally closed valve, and a reflux valve. The first normally closed valve is connected to the first wastewater outlet, and the second normally closed valve is connected to the second wastewater outlet. The total water inlet, the booster pump, the first water inlet valve, the first reverse osmosis membrane, and the first normally closed valve are sequentially connected to form a first wastewater flow channel. The total water inlet, the booster pump, the second water inlet valve, the second reverse osmosis membrane, and the second normally closed valve are sequentially connected to form a second wastewater flow channel. The method further includes: When receiving a filter element reset and flushing instruction, turning on the booster pump, the first water inlet valve, the second water inlet valve, the first normally closed valve, and the second normally closed valve to flush the first reverse osmosis membrane and the second reverse osmosis membrane after replacing the filter elements. When receiving a preset antibacterial control instruction, turning off the booster pump, the first water inlet valve, the second water inlet valve, the first normally closed valve, and the second normally closed valve.

[0009] In some possible embodiments, the water purifier further includes a reflux valve. The first reverse osmosis membrane is further provided with a first pure water outlet, and the second reverse osmosis membrane is further provided with a second pure water outlet. The first pure water outlet and the second pure water outlet are both connected to the reflux valve and flow to the booster pump through the reflux valve; The method further includes: When receiving a zero standing water flushing instruction, open the first inlet valve, the second normally closed valve, and the reflux valve, and close the second inlet valve and the first normally closed valve.

[0010] In some possible embodiments, the water purifier further includes a first filter element and a second filter element. The first filter element is connected to the booster pump and the total water inlet of the water purifier, and the second filter element is connected to the first pure water outlet, the second pure water outlet, and the total pure water outlet of the water purifier.

[0011] In some possible embodiments, the method further includes: Obtain the total dissolved solids value during the water production process; Judge whether the total dissolved solids value is less than a preset dissolved value; If within a preset initial water production stage, the total dissolved solids value is less than the preset dissolved value, start water production with a first preset pure - waste ratio; If after the preset initial water production stage, the total dissolved solids value is less than the preset dissolved value, switch the first preset pure - waste ratio to a second preset pure - waste ratio for water production; Wherein, the first preset pure - waste ratio is the highest pure - waste ratio, and the second preset pure - waste ratio is less than the first preset pure - waste ratio.

[0012] In some possible embodiments, for judging whether the total dissolved solids value is less than the preset dissolved value, it further includes: If after the preset initial water production stage, the total dissolved solids value is greater than or equal to the preset dissolved value, switch the second preset pure - waste ratio to a third preset pure - waste ratio for water production, wherein the third preset pure - waste ratio is less than the second preset pure - waste ratio.

[0013] In a second aspect, an embodiment of the present application further provides a water purifier control device, which includes a unit for executing the above - mentioned method.

[0014] In a third aspect, an embodiment of the present application further provides a computer device, which includes a memory and a processor. A computer program is stored on the memory, and when the processor executes the computer program, the above - mentioned method is implemented.

[0015] Fourthly, an embodiment of the present application further provides a computer-readable storage medium storing a computer program, which when executed by a processor can implement the above method.

[0016] An embodiment of the present application provides a water purifier control method, device, equipment and storage medium. The method includes: when receiving an instruction to start water production, obtaining any random number from a preset random number range; if the random number is within a preset first range, filtering the tap water flowing in from the total water inlet through the first reverse osmosis membrane first, then flowing the wastewater output by the first reverse osmosis membrane into the second reverse osmosis membrane for secondary filtration, and then flowing out from the total water outlet; if the random number is within a preset second range, filtering the tap water flowing in from the total water inlet through the second reverse osmosis membrane first, then flowing the wastewater output by the second reverse osmosis membrane into the first reverse osmosis membrane for secondary filtration, and then flowing out from the total water outlet.

[0017] By setting a random number control mechanism, the present application embodiment dynamically selects the water inlet sequence (that is, the first reverse osmosis membrane filters first or the second reverse osmosis membrane filters first) at the beginning of each water production, so that both the first reverse osmosis membrane and the second reverse osmosis membrane can evenly bear the influence of high-concentration water inlet, avoiding premature failure of the first reverse osmosis membrane or the second reverse osmosis membrane due to overuse, and thus effectively extending the service life of each permeation membrane in the reverse osmosis filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings here are incorporated into the specification and form a part of this specification, showing embodiments consistent with the present application, and are used together with the specification to explain the principles of the present application.

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings required for use in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] One or more embodiments are illustrated by way of example in the accompanying drawings, and these exemplary illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements, unless otherwise stated, and the drawings in the drawings do not constitute a proportional limitation.

[0021] Figure 1 Schematic diagram of the connection of each component of the purifier provided by the embodiment of the present application; Figure 2 Schematic diagram of the water flow path when the first reverse osmosis membrane is executed first and then the second reverse osmosis membrane provided by the embodiment of the present application; Figure 3 Schematic diagram of the water path when the second reverse osmosis membrane is executed first and then the first reverse osmosis membrane provided by the embodiment of the present application; Figure 4 Schematic diagram of the water path when the zero standing water flushing function is started provided by the embodiment of the present application; Figure 5 Exploded structural schematic diagram of the purifier provided by the embodiment of the present application.

[0022] Explanation of the reference numerals in the drawings: Purifier 10, total water inlet 101, total waste water outlet 102, total purified water outlet 103, reverse osmosis filter element 100, first reverse osmosis membrane 110, first water inlet 111, first waste water outlet 112, first purified water outlet 113, second reverse osmosis membrane 120, second water inlet 121, second waste water outlet 122, second purified water outlet 123, first filter element 200, second filter element 300, booster pump 400, housing 500, cover 510, upper shell 520, outer shell 530, middle shell 540, bottom shell 550, switch 600, water circuit board assembly 700, total water inlet valve 11, first water inlet valve 12, second water inlet valve 13, first normally closed valve 14, second normally closed valve 15, reflux valve 16, total waste water valve 17, first one-way valve 21, second one-way valve 22, third one-way valve 23, fourth one-way valve 24. Detailed implementation manners

[0023] In order to make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0024] The following disclosure provides many different embodiments or examples for implementing different structures of the present application. To simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present application. In addition, the present application may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprise" indicate the presence of the described features, wholes, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or their combinations.

[0026] It should also be understood that the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. As used in the specification of this application and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include the plural forms.

[0027] It should be further understood that the term "and / or" used in the specification of this application and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0028] As used in this specification and the appended claims, the term "if" can be interpreted as "when...", "once", "in response to determining" or "in response to detecting" according to the context. Similarly, the phrase "if determined" or "if [the described condition or event] is detected" can be interpreted as meaning "once determined", "in response to determining", "once [the described condition or event] is detected" or "in response to detecting [the described condition or event]" according to the context.

[0029] A water purifier is a device used to remove impurities, harmful substances and odors in water and provide cleaner and healthier drinking water.

[0030] Since the reverse osmosis (RO) membrane can efficiently remove impurities in water, generally, the water purifier uses the reverse osmosis (RO) membrane to purify the water flowing into the purifier and then supply it to users.

[0031] However, in existing water purifiers, the water inlet direction of the reverse osmosis (RO) membrane remains unchanged, always entering from one end and exiting from the other end. Therefore, in a series water path of two or more RO membranes, due to the constant water inlet sequence of the reverse osmosis (RO) membrane, during the use of the reverse osmosis (RO) membrane, the problem of uneven utilization rate occurs between the front-end reverse osmosis (RO) membrane and the rear-end reverse osmosis (RO) membrane. Moreover, due to the long-term influence of high-concentration water inlet on the rear-end reverse osmosis (RO) membrane, the service life of the rear-end reverse osmosis (RO) membrane is prone to rapidly decline.

[0032] To solve the above technical problems in the prior art, this application provides a water purifier control method, which can enable each permeation membrane in the reverse osmosis filter element to evenly bear the influence of high-concentration water inlet, and thus can effectively extend the service life of each permeation membrane in the reverse osmosis filter element.

[0033] Refer to Figure 1, the water purifier control device includes a water purifier and a controller electrically connected. The water purifier is provided with a reverse osmosis filter element 100, and the reverse osmosis filter element 100 includes a first reverse osmosis membrane 110 and a second reverse osmosis membrane 120. The water purifier is provided with a total water inlet 101 and a total water outlet. Both the first reverse osmosis membrane 110 and the second reverse osmosis membrane 120 are located between the total water inlet 101 and the total water outlet. The controller is used to execute the steps of the method; the method includes: Step 1: When receiving an instruction to start water production, obtain any random number from a preset random number range.

[0034] Step 2: If the random number is within a preset first range, first filter the tap water flowing in from the total water inlet through the first reverse osmosis membrane, then flow the wastewater output by the first reverse osmosis membrane into the second reverse osmosis membrane for secondary filtration, and then flow out from the total water outlet.

[0035] Step 3: If the random number is within a preset second range, first filter the tap water flowing in from the total water inlet through the second reverse osmosis membrane, then flow the wastewater output by the second reverse osmosis membrane into the first reverse osmosis membrane for secondary filtration, and then flow out from the total water outlet.

[0036] In this embodiment, by setting a random number control mechanism, the water inlet sequence (i.e., the first reverse osmosis membrane 110 filters first or the second reverse osmosis membrane 120 filters first) is dynamically selected at the start of each water production, so that both the first reverse osmosis membrane 110 and the second reverse osmosis membrane 120 can evenly bear the influence of high-concentration water inlet, avoiding premature failure of the first reverse osmosis membrane 110 or the second reverse osmosis membrane 120 due to overuse, and thus effectively extending the service life of each permeation membrane in the reverse osmosis filter element 100.

[0037] In some possible implementation manners, the preset random number range can be 0 - 99, the preset first range can be 0 - 49, and the preset second range can be 50 - 99. In this way, in long-term use, the execution time of the first reverse osmosis membrane 110 and the second reverse osmosis membrane 120 can be relatively evenly distributed.

[0038] In some possible implementation manners, it can be judged whether water production is required according to the water production button or switch 600 of the faucet. When starting water production, the voltage of the PWM control booster pump 400 is controlled, and the booster pump 400 is started with a voltage of 18V to reduce the starting current impact and noise. After the water flow and the rotation speed of the booster pump 400 have been statically running for 2 seconds, the voltage of the booster pump 400 can be linearly increased from 18V to 36V for operation.

[0039] In addition, when the water purifier stops running, the system first cuts off the power supply of the booster pump 400. After the water flow rate decreases, the main inlet valve 11 is closed to enable a smooth transition of the water flow rate and water pressure without impact.

[0040] In some possible embodiments, after the system is powered on, the working duration of the booster pump 400 is read. If the working duration of the booster pump 400 is zero, it is determined that the machine is powered on for the first time, and the operation of flushing the new machine is executed.

[0041] Among them, the operation of flushing the new machine may include the following processes: a. The first inlet valve 12, the second inlet valve 13, the first normally closed valve 14, and the second normally closed valve 15 are powered on for 10 s. b. The booster pump 400 is powered on for 10 s while the voltage is reduced (from the rated voltage of 36 V to 18 V) → powered off for 10 s → powered on for 10 s, and so on in a cycle. c. After 5 min, the first inlet valve 12, the second inlet valve 13, the first normally closed valve 14, and the second normally closed valve 15 are powered off to complete the flushing.

[0042] In some possible embodiments, the water purifier further includes a first one-way valve 21 and a second one-way valve 22. The first reverse osmosis membrane 110 is provided with a first water inlet 111 and a first waste water outlet 112, and the second reverse osmosis membrane 120 is provided with a second water inlet 121 and a second waste water outlet 122. The first water inlet 111 and the second water inlet 121 are both connected to the main water inlet 101, and the first waste water outlet 112 and the second waste water outlet 122 are both connected to the main water outlet; the first one-way valve 21 is connected between the first waste water outlet 112 and the second water inlet 121, and the second one-way valve 22 is connected between the second waste water outlet 122 and the first water inlet 111.

[0043] The process of first filtering the tap water flowing in from the main water inlet 101 through the first reverse osmosis membrane 110 and then flowing the waste water output from the first reverse osmosis membrane 110 into the second reverse osmosis membrane 120 for secondary filtering may include: opening the first one-way valve 21 and closing the second one-way valve 22, first filtering the tap water flowing in from the main water inlet 101 through the first reverse osmosis membrane 110, and then flowing the waste water output from the first reverse osmosis membrane 110 into the second reverse osmosis membrane 120 for secondary filtering.

[0044] The tap water flowing in from the total water inlet 101 is first filtered by the second reverse osmosis membrane 120, and then the wastewater output by the second reverse osmosis membrane 120 is flowed into the first reverse osmosis membrane 110 for secondary filtration, including: closing the first one-way valve 21 and opening the second one-way valve 22, so that the tap water flowing in from the total water inlet 101 is first filtered by the second reverse osmosis membrane 120, and then the wastewater output by the second reverse osmosis membrane 120 is flowed into the first reverse osmosis membrane 110 for secondary filtration.

[0045] In some possible embodiments, the water purifier further includes a booster pump 400, a first water inlet valve 12, a second water inlet valve 13, a first normally closed valve 14, a second normally closed valve 15 and a reflux valve 16. The first normally closed valve 14 is connected to the first wastewater outlet 112, and the second normally closed valve 15 is connected to the second wastewater outlet 122. The total water inlet 101, the booster pump 400, the first water inlet valve 12, the first reverse osmosis membrane 110 and the first normally closed valve 14 are sequentially connected to form a first wastewater flow channel; the total water inlet 101, the booster pump 400, the second water inlet valve 13, the second reverse osmosis membrane 120 and the second normally closed valve 15 are sequentially connected to form a second wastewater flow channel.

[0046] Based on this, when the controller receives the filter element reset and flushing instructions, it opens the booster pump 400, the first water inlet valve 12, the second water inlet valve 13, the first normally closed valve 14 and the second normally closed valve 15 to flush the first reverse osmosis membrane 110 and the second reverse osmosis membrane 120 after replacing the filter elements.

[0047] In some possible embodiments, the service life of the filter element can be recorded first, and then after the service life of the filter element expires, the light and buzzer are turned on for reminder. When the user replaces the filter element, the service life of the filter element is reset through the reset button, and the operation of flushing the filter element is performed.

[0048] Among them, the service life of the filter element can be calculated based on the cumulative power-on time of the filter element in the filter element (such as the reverse osmosis filter element 100, the first filter element 200, the second filter element 300).

[0049] In some possible embodiments, when receiving a preset antibacterial control instruction, the booster pump 400, the first water inlet valve 12, the second water inlet valve 13, the first normally closed valve 14 and the second normally closed valve 15 are closed.

[0050] In this way, after the water production is completed, the booster pump 400, the first water inlet valve 12, the second water inlet valve 13, the first normally closed valve 14 and the second normally closed valve 15 are immediately closed, which can prevent bacteria from entering the first reverse osmosis membrane 110 and the second reverse osmosis membrane 120.

[0051] In some possible embodiments, the water purifier further includes a reflux valve 16. The first reverse osmosis membrane 110 is further provided with a first pure water outlet 113, and the second reverse osmosis membrane 120 is further provided with a second pure water outlet 123. Both the first pure water outlet 113 and the second pure water outlet 123 are connected to the reflux valve 16 and flow to the booster pump 400 through the reflux valve 16.

[0052] Based on this, when the controller receives the zero stale water flushing instruction, it opens the first inlet valve 12, the second normally closed valve 15 and the reflux valve 16, and closes the second inlet valve 13 and the first normally closed valve 14.

[0053] That is to say, after the user finishes making water and has not taken water for a period of time, the zero stale water flushing function can be started. By opening the first inlet valve 12, the second normally closed valve 15 and the reflux valve 16, and closing the second inlet valve 13 and the first normally closed valve 14, the pure water can be refluxed to the booster pump 400 to reduce the concentration of the wastewater side of the reverse osmosis membrane in the reverse osmosis filter element 100 and prevent the high-concentration water on the wastewater side from diffusing to the pure water side.

[0054] Among them, when the zero stale water flushing function is started, the voltage of the booster pump 400 can be controlled between 20V and 24V.

[0055] In some possible embodiments, the water purifier further includes a first filter element 200 and a second filter element 300. The first filter element 200 is connected to the booster pump 400 and the total water inlet 101 of the water purifier, and the second filter element 300 is connected to the first pure water outlet 113, the second pure water outlet 123 and the total pure water outlet 103 of the water purifier.

[0056] In some possible embodiments, the water purifier may be provided with a first one-way valve 21, a second one-way valve 22, a third one-way valve 23 and a fourth one-way valve 24 between the first reverse osmosis membrane 110 and the second reverse osmosis membrane 120.

[0057] Take Figure 1 the shown water purifier as an example for illustration. As Figure 1As shown, tap water flows into the pre-carbon filter element, passes through the main inlet valve 11 and the booster pump 400. The water output by the booster pump 400 is divided into two branches. One branch flows through the first inlet valve 12 to the water inlet of the first reverse osmosis membrane 110. After the first reverse osmosis membrane 110 filters the tap water input by the booster pump 400, pure water and wastewater are obtained. Among them, the pure water output by the first reverse osmosis membrane 110 flows out from the first pure water outlet 113, and after being filtered again by the post-carbon filter element, it is output to the main pure water outlet 103 of the purifier 10. The wastewater generated by the first reverse osmosis membrane 110 is output from the first wastewater outlet 112, and then flows through the first normally closed valve 14 and the main wastewater valve 17 to the main wastewater outlet 102 of the purifier 10.

[0058] The other branch flows through the second inlet valve 13 to the water inlet of the second reverse osmosis membrane 120. After the second reverse osmosis membrane 120 filters the tap water input by the booster pump 400, pure water and wastewater are obtained. Among them, the pure water output by the second reverse osmosis membrane 120 flows out from the second pure water outlet 123, and after being filtered again by the post-carbon filter element, it is output to the main pure water outlet 103 of the purifier 10. The wastewater generated by the second reverse osmosis membrane 120 is output from the second wastewater outlet 122, and then flows through the second normally closed valve 15 and the main wastewater valve 17 to the main wastewater outlet 102 of the purifier 10.

[0059] Refer to Figure 2 , when it is necessary to first execute the first reverse osmosis membrane 110 and then execute the second reverse osmosis membrane 120, open the first inlet valve 12, the first one-way valve 21 and the third one-way valve 23, and close the second inlet valve 13, the second one-way valve 22 and the fourth one-way valve 24. Then the booster pump 400 inputs tap water into the first reverse osmosis membrane 110 for filtration, and outputs the wastewater generated by the first reverse osmosis membrane 110 from the first wastewater outlet 112. After that, it flows through the first one-way valve 21 and the third one-way valve 23 into the second water inlet 121 of the second reverse osmosis membrane 120 for secondary filtration by using the second reverse osmosis membrane 120; Refer to Figure 3 , when it is necessary to first execute the second reverse osmosis membrane 120 and then execute the first reverse osmosis membrane 110, open the second inlet valve 13, the second one-way valve 22 and the fourth one-way valve 24, and close the first inlet valve 12, the first one-way valve 21 and the third one-way valve 23. Then the booster pump 400 inputs tap water into the second reverse osmosis membrane 120 for filtration, and outputs the wastewater generated by the second reverse osmosis membrane 120 from the second wastewater outlet 122. After that, it flows through the second one-way valve 22 and the fourth one-way valve 24 into the first water inlet 111 of the first reverse osmosis membrane 110 for secondary filtration by using the first reverse osmosis membrane 110.

[0060] Refer to Figure 4, when the zero standing water flushing function is activated, the booster pump 400 inputs tap water into the first reverse osmosis membrane 110 for filtration, and the wastewater generated by the first reverse osmosis membrane 110 is output from the first wastewater outlet 112 and flows into the second water inlet 121 of the second reverse osmosis membrane 120 through the first one-way valve 21 and the third one-way valve 23. The second reverse osmosis membrane 120 is used for secondary filtration, and the purified water generated by the second reverse osmosis membrane 120 flows out from the second purified water outlet 123 and is divided into two paths. One path is output to the total purified water outlet 103 of the purifier 10 after passing through the post-carbon filter for further filtration, and the other path flows back to the booster pump 400 through the reflux valve 16. The wastewater generated by the second reverse osmosis membrane 120 is output from the second wastewater outlet 122, and then flows to the total wastewater outlet 102 of the purifier 10 through the second normally closed valve 15 and the total wastewater valve 17.

[0061] In some possible embodiments, the method further includes: Step 210: Obtain the total dissolved solids value during the water production process.

[0062] Step 220: Determine whether the total dissolved solids value is less than the preset dissolved value.

[0063] Among them, the preset dissolved value can be 400, 410, 420, 430, 440, 450, etc., and can be specifically set and adjusted according to the actual situation.

[0064] Step 230: If within the preset initial water production stage, the total dissolved solids value is less than the preset dissolved value, start water production with the first preset pure waste ratio.

[0065] Step 240: If after the preset initial water production stage, the total dissolved solids value is less than the preset dissolved value, switch the first preset pure waste ratio to the second preset pure waste ratio for water production.

[0066] Among them, the first preset pure waste ratio is the highest pure waste ratio, and the second preset pure waste ratio is less than the first preset pure waste ratio.

[0067] Exemplarily, the preset initial water production stage can be within the first minute of water production, and can be specifically set and adjusted according to the actual situation. In this way, within the preset initial water production stage, starting with the first preset pure waste ratio with the highest pure waste ratio can quickly provide a large amount of purified water, thus meeting the user's demand for a large amount of purified water in a short time.

[0068] In some possible embodiments, for the determination of whether the total dissolved solids value is less than the preset dissolved value, it further includes: Step 250: If after the preset initial water production stage, the total dissolved solids value is greater than or equal to the preset dissolved value, then switch the second preset pure - waste ratio to the third preset pure - waste ratio for water production.

[0069] Among them, the third preset pure - waste ratio is less than the second preset pure - waste ratio.

[0070] In this way, according to water quality parameters of tap water such as the total dissolved solids value (Total Dissolved Solids, TDS), the pure - waste ratio can be automatically switched to ensure that the water consumed by users always remains in the best state, and at the same time, the flexibility of using the water purifier can be improved.

[0071] In some possible implementation manners, noise reduction control can be performed on the water purifier. For example, start the noise reduction function. When the water purifier is started, after opening the total water inlet valve 11, reduce the voltage of the booster pump 400 to 18V and then start it. When the water pressure and water flow in the water circuit board assembly 700 are stable, then adjust the voltage of the booster pump 400 to the full voltage (such as 36V) for operation.

[0072] b. When starting, first flush with a large amount of waste water, and then use the normal waste - water ratio after the water flow is stable.

[0073] In some possible implementation manners, the water purifier control device can also be provided with an intelligent WIFI module. This intelligent WIFI module is connected to the water purifier and the controller. In this way, through WIFI connection, the water purifier can upload its working status to the user's mobile device or cloud platform in real - time. In this way, users can view the operating conditions of the water purifier at any time, such as the current mode, water production volume, and water quality conditions, etc. In addition, when the filter element reaches the service life, the system will automatically remind the user and provide a convenient purchase channel to ensure that the filter element is replaced in time.

[0074] In addition, the system can generate detailed drinking water usage reports and water quality analysis based on the data provided by the water purifier. These reports can cover contents such as daily water consumption and water quality change trends, helping users comprehensively understand their drinking water habits.

[0075] Corresponding to the above water purifier control method, the present application also provides a water purifier control device. This water purifier control device includes units for executing the above - mentioned water purifier control method, and this water purifier control device can be configured in terminals such as desktop computers, tablet computers, laptop computers, etc.

[0076] Among them, the water purifier provided by the present application can be as Figure 5 shown.

[0077] An embodiment of the present application provides a computer device, including a memory, a communication interface, a communication bus, and a memory. Among them, the memory, the communication interface, and the memory complete communication with each other through the communication bus. The memory is used to store computer programs; In an embodiment of the present application, when the memory is used to execute the program stored on the memory, it realizes the water purifier control method provided by any one of the foregoing method embodiments, including: When receiving an instruction to start water production, obtain any random number from a preset random number range; If the random number is within a preset first range, the tap water flowing in from the total water inlet is first filtered through the first reverse osmosis membrane, and then the wastewater output from the first reverse osmosis membrane flows into the second reverse osmosis membrane for secondary filtration, and then flows out from the total water outlet; If the random number is within a preset second range, the tap water flowing in from the total water inlet is first filtered through the second reverse osmosis membrane, and then the wastewater output from the second reverse osmosis membrane flows into the first reverse osmosis membrane for secondary filtration, and then flows out from the total water outlet.

[0078] Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be completed by instructing relevant hardware through a computer program. The computer program can be stored in a storage medium, and the storage medium is a computer-readable storage medium. The computer program is executed by at least one processor in the computer system to implement the process steps of the method embodiments of the above.

[0079] Therefore, an embodiment of the present application also provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, it realizes the steps of the water purifier control method provided by any one of the foregoing method embodiments, including: When receiving an instruction to start water production, obtain any random number from a preset random number range; If the random number is within a preset first range, the tap water flowing in from the total water inlet is first filtered through the first reverse osmosis membrane, and then the wastewater output from the first reverse osmosis membrane flows into the second reverse osmosis membrane for secondary filtration, and then flows out from the total water outlet; If the random number is within a preset second range, the tap water flowing in from the total water inlet is first filtered through the second reverse osmosis membrane, and then the wastewater output from the second reverse osmosis membrane flows into the first reverse osmosis membrane for secondary filtration, and then flows out from the total water outlet.

[0080] The storage medium is a physical and non-transitory storage medium, which can be various physical storage media such as a USB flash drive, a portable hard drive, a read-only memory (ROM), a magnetic disk, or an optical disc that can store program codes. The computer-readable storage medium can be non-volatile or volatile.

[0081] Those of ordinary skill in the art can realize that the units and algorithm steps of the examples described in combination with the embodiments disclosed herein can be implemented by electronic hardware, computer software, or a combination of the two. To clearly illustrate the interchangeability of hardware and software, the composition and steps of the examples have been generally described according to functions in the above description. Whether these functions are executed in a hardware or software manner depends on the specific application and design constraints of the technical solution. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of this application.

[0082] In several embodiments provided in this application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of each unit is only a logical function division, and there can be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.

[0083] The steps in the method embodiments of this application can be adjusted, combined, and deleted according to actual needs. The units in the device embodiments of this application can be combined, divided, and deleted according to actual needs. In addition, the functional units in each embodiment of this application can be integrated into one processing unit, or each unit can exist physically alone, or two or more units can be integrated into one unit.

[0084] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a storage medium. Based on such an understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions to enable a computer device (which can be a personal computer, a terminal, or a network device, etc.) to execute all or part of the steps of the methods described in each embodiment of this application.

[0085] In the above embodiments, the descriptions of the respective embodiments have their own emphases. For the parts not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0086] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Thus, provided that these modifications and variations of this application fall within the scope of the claims of this application and their equivalent technologies, this application is also intended to cover these modifications and variations.

[0087] As described above, it is only the specific implementation manner of this application, but the protection scope of this application is not limited thereto. Any person skilled in the art within the technical scope disclosed by this application can easily think of various equivalent modifications or replacements, and these modifications or replacements should all be covered within the protection scope of this application. Therefore, the protection scope of this application shall be subject to the protection scope of the claims.

Claims

1. A water purifier control method, characterized in that: The water purifier control device comprises an electrically connected water purifier and a controller, the water purifier is provided with a reverse osmosis filter element, the reverse osmosis filter element comprises a first reverse osmosis membrane and a second reverse osmosis membrane, the water purifier is provided with a total water inlet and a total water outlet, the first reverse osmosis membrane and the second reverse osmosis membrane are both located between the total water inlet and the total water outlet, and the controller is used to execute the steps of the method; the method comprises: When receiving the instruction to start water production, any random number is obtained from a preset random number range; If the random number is within a preset first range, the tap water flowing into the total water inlet is first filtered through the first reverse osmosis membrane, and then the wastewater output from the first reverse osmosis membrane flows into the second reverse osmosis membrane for secondary filtration, and then flows out from the total water outlet; If the random number is within the preset second range, the tap water flowing into the total water inlet is first filtered through the second reverse osmosis membrane, and then the wastewater output by the second reverse osmosis membrane flows into the first reverse osmosis membrane for secondary filtration, and then flows out from the total water outlet.

2. The method according to claim 1, characterized in that The water purifier further comprises a first one-way valve and a second one-way valve, the first reverse osmosis membrane is provided with a first water inlet and a first wastewater outlet, the second reverse osmosis membrane is provided with a second water inlet and a second wastewater outlet, the first water inlet and the second water inlet are both connected to the total water inlet, the first wastewater outlet and the second wastewater outlet are both connected to the total water outlet; the first one-way valve is connected to the first wastewater outlet and the second water inlet, and the second one-way valve is connected to the second wastewater outlet and the first water inlet; The method of filtering the tap water flowing into the total water inlet through the first reverse osmosis membrane first and then filtering the wastewater outputted by the first reverse osmosis membrane through the second reverse osmosis membrane for secondary filtration comprises: Open the first one-way valve and close the second one-way valve, filter the tap water flowing into the total water inlet through the first reverse osmosis membrane, and then filter the wastewater output from the first reverse osmosis membrane through the second reverse osmosis membrane for secondary filtration; The method of filtering the tap water flowing into the total water inlet through the second reverse osmosis membrane first, and then filtering the wastewater outputted by the second reverse osmosis membrane through the first reverse osmosis membrane for secondary filtration comprises: The first one-way valve is closed, and the second one-way valve is opened, and the tap water flowing into the total water inlet is first filtered through the second reverse osmosis membrane, and then the wastewater output by the second reverse osmosis membrane flows into the first reverse osmosis membrane for secondary filtration.

3. The method according to claim 2, characterized in that The water purifier further includes a booster pump, a first water inlet valve, a second water inlet valve, a first normally closed valve, a second normally closed valve and a reflux valve, wherein the first normally closed valve is connected to the first wastewater outlet, the second normally closed valve is connected to the second wastewater outlet, the total water inlet, the booster pump, the first water inlet valve, the first reverse osmosis membrane and the first normally closed valve are sequentially connected to form a first wastewater flow channel; the total water inlet, the booster pump, the second water inlet valve, the second reverse osmosis membrane and the second normally closed valve are sequentially connected to form a second wastewater flow channel; The method further comprises: When receiving a filter element reset and flushing instruction, opening the booster pump, the first water inlet valve, the second water inlet valve, the first normally closed valve and the second normally closed valve, and flushing the first reverse osmosis membrane and the second reverse osmosis membrane after replacing the filter element; When a preset antibacterial control instruction is received, the booster pump, the first water inlet valve, the second water inlet valve, the first normally closed valve and the second normally closed valve are closed.

4. The method according to claim 3, characterized in that The water purifier further includes a reflux valve, the first reverse osmosis membrane is further provided with a first pure water outlet, the second reverse osmosis membrane is further provided with a second pure water outlet, the first pure water outlet and the second pure water outlet are both connected to the reflux valve, and flow to the booster pump through the reflux valve; The method further comprises: When a zero-stale water flushing instruction is received, the first water inlet valve, the second normally closed valve and the reflux valve are opened, and the second water inlet valve and the first normally closed valve are closed.

5. The method according to claim 4, characterized in that The water purifier also includes a first filter element and a second filter element, the first filter element is connected to the booster pump and the total water inlet of the water purifier, and the second filter element is connected to the first pure water outlet, the second pure water outlet and the total pure water outlet of the water purifier.

6. The method according to claim 1, characterized in that The method further comprises: Obtain the total dissolved solids value during water production; Determining whether the total dissolved solids value is less than a preset dissolved solids value; If in the preset initial water production stage, the total dissolved solids value is less than the preset dissolved solids value, the first preset pure waste ratio is turned on to produce water; If after the preset initial water production stage, the total dissolved solids value is less than the preset dissolved solids value, the first preset pure waste ratio is switched to a second preset pure waste ratio to produce water; Among them, the first preset pure waste ratio is the highest pure waste ratio, and the second preset pure waste ratio is smaller than the first preset pure waste ratio.

7. The method according to claim 6, characterized in that The determining whether the total dissolved solids value is less than a preset dissolved solids value further includes: If after the preset initial water production stage, the total dissolved solids value is greater than or equal to the preset dissolved value, the second preset pure waste ratio is switched to the third preset pure waste ratio for water production, wherein the third preset pure waste ratio is smaller than the second preset pure waste ratio.

8. A water purifier control device, characterized in that: The method comprises a unit for executing the method according to any one of claims 1 to 7.

9. A computer device, characterized in that: The computer device includes a memory and a processor, the memory stores a computer program, and the processor implements the method according to any one of claims 1 to 7 when executing the computer program.

10. A computer-readable storage medium, characterized in that: The storage medium stores a computer program, and when the computer program is executed by a processor, the method according to any one of claims 1 to 7 can be implemented.

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