CN113979495A

CN113979495A - Control method and device of water purification equipment and water purification equipment

Info

Publication number: CN113979495A
Application number: CN202111495004.8A
Authority: CN
Inventors: 李一然; 陈静; 陈子斌; 詹婷; 秦利利
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-01-28

Abstract

The present application relates to a method of controlling a water purification apparatus, a device, a water purification apparatus, a storage medium and a computer program product. The method comprises the following steps: acquiring the water outlet flow of a reverse osmosis membrane of water purification equipment, wherein the water outlet flow of the reverse osmosis membrane is the flow of pure water subjected to reverse osmosis treatment; and if the reverse osmosis membrane water outlet flow does not meet the preset reverse osmosis membrane water outlet flow condition, adjusting the operation parameters of the water purifying equipment, wherein the operation parameters are parameters related to the reverse osmosis membrane water outlet flow of the water purifying equipment until the reverse osmosis membrane water outlet flow meets the preset reverse osmosis membrane water outlet flow condition. By adopting the method, the water production efficiency of the water purification equipment can be improved.

Description

Control method and device of water purification equipment and water purification equipment

Technical Field

The present application relates to the field of water purification equipment technology, and in particular, to a control method and apparatus for a water purification equipment, a storage medium, and a computer program product.

Background

With the development of water purification equipment technology, people generally use water purification equipment to purify domestic water in daily use, and the water purification equipment becomes ideal domestic water.

The running water difference of each place is big, and generally relatively poor, so need get rid of the multiple pollutant of running water through reverse osmosis water purification machine, however current reverse osmosis water purification machine in the process of making water, receives influence such as quality of water, external environment factor easily, leads to ultimate system water efficiency lower, can't satisfy user's demand.

Disclosure of Invention

In view of the above, it is necessary to provide a control method and device for a water purification apparatus, a computer readable storage medium, and a computer program product, which can improve the water production efficiency of the water purification apparatus.

In a first aspect, the present application provides a method of controlling a water purification apparatus, the method comprising:

acquiring the water outlet flow of a reverse osmosis membrane of water purification equipment, wherein the water outlet flow of the reverse osmosis membrane is the flow of pure water subjected to reverse osmosis treatment;

and if the reverse osmosis membrane water outlet flow does not meet the preset reverse osmosis membrane water outlet flow condition, adjusting the operation parameters of the water purifying equipment, wherein the operation parameters are parameters related to the reverse osmosis membrane water outlet flow of the water purifying equipment until the reverse osmosis membrane water outlet flow meets the preset reverse osmosis membrane water outlet flow condition.

In one embodiment, the obtaining of the water outlet flow of the reverse osmosis membrane of the water purifying device includes:

acquiring the total purified water flow of the water purifying equipment, wherein the total purified water flow is the flow of water entering a reverse osmosis membrane; obtaining the concentrated water flow of the water purification equipment, wherein the concentrated water flow is the flow of concentrated water obtained by performing reverse osmosis treatment on water entering a reverse osmosis membrane by the reverse osmosis membrane; and determining the water outlet flow of the reverse osmosis membrane based on the total purified water flow and the concentrated water flow.

In one embodiment, the obtaining of the water outlet flow of the reverse osmosis membrane of the water purifying device includes: and obtaining the water outlet flow of the reverse osmosis membrane of the water purifying equipment, which is obtained at the pure water outlet of the water purifying equipment.

In one embodiment, the method further comprises: comparing the outlet water flow of the reverse osmosis membrane with a preset outlet water flow range of the reverse osmosis membrane; if the water outlet flow of the reverse osmosis membrane is smaller than the lower limit of the water outlet flow range of the reverse osmosis membrane, determining that the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane; otherwise, determining that the water outlet flow of the reverse osmosis membrane meets the preset water outlet flow condition of the reverse osmosis membrane.

In one embodiment, if the reverse osmosis membrane effluent flow rate does not satisfy a preset reverse osmosis membrane effluent flow rate condition, adjusting the operation parameters of the water purification equipment includes: if the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane, acquiring monitoring parameters of the water purifying equipment, wherein the monitoring parameters comprise water temperature, pressure parameters before reverse osmosis treatment and water quality parameters before reverse osmosis treatment; and adjusting a pressure parameter of a pressure stabilizing pump based on the monitoring parameter, wherein the operation parameter comprises the pressure parameter of the pressure stabilizing pump.

In one embodiment, if the reverse osmosis membrane effluent flow rate does not satisfy a preset reverse osmosis membrane effluent flow rate condition, adjusting the operation parameters of the water purification equipment includes: if the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane, acquiring monitoring parameters of the water purifying equipment, wherein the monitoring parameters comprise flow parameters of concentrated water subjected to reverse osmosis treatment; acquiring the adjustment quantity of the flow parameter of the concentrated water subjected to reverse osmosis treatment of the water purification equipment according to the flow parameter of the concentrated water subjected to reverse osmosis treatment; and adjusting the flow parameter of the concentrated water after reverse osmosis treatment of the water purification equipment based on the adjustment quantity of the flow parameter of the concentrated water after reverse osmosis treatment, wherein the operation parameter comprises the flow parameter of the concentrated water after reverse osmosis treatment.

In one embodiment, said adjusting said surge tank pressure parameter based on said monitored parameter comprises: and if the water temperature is higher than the preset water temperature, improving the rotating speed of the stabilized pressure pump or the power supply parameter of the stabilized pressure pump, wherein the power supply parameter comprises at least one of voltage and power supply current.

In one embodiment, said adjusting said surge tank pressure parameter based on said monitored parameter comprises: and if the pressure parameter before the reverse osmosis treatment is smaller than the preset pressure before the reverse osmosis treatment, improving the rotating speed of the pressure stabilizing pump or the power supply parameter of the pressure stabilizing pump, wherein the power supply parameter comprises at least one of voltage and power supply current.

In one embodiment, said adjusting said surge tank pressure parameter based on said monitored parameter comprises: and if the water quality parameter before reverse osmosis treatment is larger than the preset water quality parameter before reverse osmosis treatment, improving the rotating speed of the pressure stabilizing pump or the power supply parameter of the pressure stabilizing pump, wherein the power supply parameter comprises at least one of power supply voltage and power supply current.

In one embodiment, the manner for determining the adjustment amount of the flow parameter of the concentrated water after reverse osmosis treatment comprises: acquiring the flow variation of the concentrated water under unit pressure; and multiplying the flow of the concentrated water of the water purifying equipment by the flow variation of the concentrated water under the unit pressure to determine the flow parameter adjustment quantity of the concentrated water.

In a second aspect, the present application also provides a control device for a water purification apparatus, the device comprising: the system comprises a reverse osmosis membrane effluent flow acquisition module and an operation parameter adjustment module;

the reverse osmosis membrane effluent flow acquisition module is used for acquiring reverse osmosis membrane effluent flow of water purification equipment, wherein the reverse osmosis membrane effluent flow is the flow of pure water subjected to reverse osmosis treatment;

the operation parameter adjusting module is used for adjusting the operation parameters of the water purifying equipment if the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane, wherein the operation parameters are parameters related to the water outlet flow of the reverse osmosis membrane of the water purifying equipment until the water outlet flow of the reverse osmosis membrane meets the preset water outlet flow condition of the reverse osmosis membrane.

In a third aspect, the present application further provides a water purification apparatus comprising

The system comprises a controller, a water inlet branch, a reverse osmosis membrane filter element water production branch and a flow monitoring module; a reverse osmosis membrane filtration module is arranged on the water production branch of the reverse osmosis membrane filter element, and the controller is in communication connection with the flow monitoring module;

the water flows to the reverse osmosis membrane filtration module through the water inlet branch, and flows out through the reverse osmosis membrane filter element water production branch after being subjected to reverse osmosis membrane filtration treatment of the reverse osmosis membrane filtration module; the flow monitoring module monitors the water outlet flow of a reverse osmosis membrane on the water production branch of the reverse osmosis membrane filter element, and the controller adjusts the operation parameters of the water purifying equipment when the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane, wherein the operation parameters are parameters related to the water outlet flow of the reverse osmosis membrane of the water purifying equipment until the water outlet flow of the reverse osmosis membrane meets the preset water outlet flow condition of the reverse osmosis membrane.

In one embodiment, the flow monitoring module is arranged on the water production branch of the reverse osmosis membrane filter element.

In one embodiment, the flow monitoring module comprises a first flow monitoring module and a second flow monitoring module; the first flow monitoring module is arranged on the water inlet branch, the second flow monitoring module is arranged on a concentrated water outlet branch communicated with the reverse osmosis membrane filtering module, and the controller is in communication connection with the first flow monitoring module and the second flow monitoring module; the first flow monitoring module is used for monitoring the total purified water flow of the water entering the reverse osmosis membrane filtration module, and the second flow monitoring module is used for monitoring the flow of the concentrated water subjected to reverse osmosis treatment by the reverse osmosis membrane filtration module; and the controller determines the water outlet flow of the reverse osmosis membrane according to the total purified water flow and the concentrated water flow.

In one embodiment, the water purification apparatus further comprises: a temperature monitoring module; the temperature monitoring module is used for monitoring the temperature of water of the water purifying equipment.

In one embodiment, the water purification apparatus further comprises: the pressure monitoring module is arranged on the water inlet branch; the pressure monitoring module is in communication connection with the controller; the pressure monitoring module is used for monitoring pressure parameters before reverse osmosis treatment entering the reverse osmosis membrane filtering module.

In one embodiment, the water purification apparatus further comprises: the water quality monitoring module is arranged on the water inlet branch; the water quality monitoring module is in communication connection with the controller;

the water quality monitoring module is used for monitoring water quality parameters before reverse osmosis treatment entering the reverse osmosis membrane filtration module.

In one embodiment, the controller increases the rotation speed of the pressure stabilizing pump or the power supply parameter of the pressure stabilizing pump when the temperature of water in the water purifying equipment is higher than a preset water temperature, or when the pressure parameter before the reverse osmosis membrane is lower than the lower limit of the water outlet flow range of the reverse osmosis membrane, or when the water quality parameter before the reverse osmosis treatment is higher than the water quality parameter before the reverse osmosis treatment, wherein the power supply parameter comprises at least one of power supply voltage and power supply current.

In one embodiment, the water purification apparatus further comprises: the concentrated water flow regulating module is arranged on the concentrated water outlet branch; the concentrated water flow regulating module is in communication connection with the controller; the controller obtains the adjustment quantity of the flow parameter of the concentrated water after reverse osmosis treatment of the water purification equipment, and controls the concentrated water flow adjusting module to adjust the concentrated water flow based on the adjustment quantity of the flow parameter of the concentrated water after reverse osmosis treatment.

In one embodiment, the concentrate flow adjustment module is a multi-speed regulator valve.

In one embodiment, the multi-stage regulating valve has a plurality of flow passages corresponding to a plurality of flow stages or flow openings of various sizes corresponding to a plurality of flow stages.

In a fourth aspect, the present application also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of the control method of the water purification apparatus described above.

In a fifth aspect, the present application also provides a computer program product comprising a computer program which, when being executed by a processor, carries out the steps of the control method of the water purification unit as described above.

According to the control method, the control device, the water purifying equipment, the storage medium and the computer program product of the water purifying equipment, whether the reverse osmosis membrane effluent flow meets the preset reverse osmosis membrane effluent flow condition or not is judged by acquiring the reverse osmosis membrane effluent flow of the water purifying equipment, so that the reverse osmosis membrane effluent flow meets the preset reverse osmosis membrane effluent flow condition by adjusting the operation parameters of the water purifying equipment when the reverse osmosis membrane effluent flow does not meet the preset reverse osmosis membrane effluent flow condition, wherein the reverse osmosis membrane effluent flow is the flow of pure water subjected to reverse osmosis treatment, and the operation parameters are parameters related to the reverse osmosis membrane effluent flow of the water purifying equipment, and the water production efficiency of the water purifying equipment can be improved by the method.

Drawings

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

FIG. 2 is a schematic structural diagram of a water purifying apparatus in one embodiment;

FIG. 3 is a schematic flow chart illustrating a control method of the water purifying apparatus according to an embodiment;

FIG. 4 is a schematic flow chart illustrating a control method of the water purifying apparatus according to an embodiment;

fig. 5 is a block diagram showing a control device of the water purifying apparatus in one embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

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

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. Further, "connection" in the following embodiments is understood to mean "electrical connection", "communication connection", or the like, if there is a transfer of electrical signals or data between the connected objects.

As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof. Also, as used in this specification, the term "and/or" includes any and all combinations of the associated listed items.

The control method of the water purification device provided by the embodiment of the application can be applied to the water purification device shown in figure 1. The water purifying device comprises a controller 102, a water inlet branch 104, a reverse osmosis membrane filter element water production branch 106 and a flow monitoring module 108; a reverse osmosis membrane filtering module 110 is arranged on the reverse osmosis membrane filter element water production branch 106; the controller 102 is communicatively coupled to a flow monitoring module 108.

Wherein, controller 102 can be for arbitrary control chip that can realize data communication such as singlechip, PLC, the branch road 104 of intaking is the branch road that water flowed in, and reverse osmosis membrane filter core produces water branch road 106 and is carrying out reverse osmosis treatment to water after, the branch road that pure water flowed in, is provided with reverse osmosis membrane filtration module 110 on the reverse osmosis membrane filter core produces water branch road 106, and reverse osmosis membrane filtration module 110 can be the reverse osmosis membrane filter core.

In one embodiment, the reverse osmosis membrane filtration module 110 is a core part of the water purification apparatus, water flows through a water inlet solenoid valve and a pressure stabilizing pump of the water purification apparatus, the pressure stabilizing pump applies a certain pressure to the water, so that water molecules and ionic mineral elements pass through the reverse osmosis membrane filtration module 110 to be filtered into drinkable pure water, and most of inorganic salts (including heavy metals), organic matters, bacteria and viruses dissolved in the water cannot pass through the reverse osmosis membrane filtration module 110, so that the drinkable pure water is changed into non-drinkable concentrated water. Drinkable pure water flows out through the reverse osmosis membrane filter element water production branch 106.

The controller 102 is in communication connection with the flow monitoring module 108, the flow monitoring module 108 can be used for monitoring the reverse osmosis membrane water outlet flow on the reverse osmosis membrane filter element water production branch 106, the reverse osmosis membrane water outlet flow is the flow of pure water subjected to reverse osmosis treatment, and when the reverse osmosis membrane water outlet flow does not meet a preset reverse osmosis membrane water outlet flow condition, the controller 102 adjusts the operation parameter of the water purifying equipment, wherein the operation parameter is a parameter related to the reverse osmosis membrane water outlet flow of the water purifying equipment until the reverse osmosis membrane water outlet flow meets the preset reverse osmosis membrane water outlet flow condition.

In one embodiment, referring to fig. 2, the flow monitoring module 108 may be disposed on the ro filter cartridge water production branch 106, and when the flow monitoring module 108 is disposed on the ro filter cartridge water production branch 106, the flow of the pure water after the ro treatment may be monitored.

In one embodiment, the flow monitoring module 108 may include a first flow monitoring module disposed on the water inlet branch 104 and a second flow monitoring module disposed on the concentrated water outlet branch 202 communicated with the reverse osmosis membrane filtration module 110, wherein after the reverse osmosis filtration module 110 performs reverse osmosis treatment on the water, the non-drinkable concentrated water (waste water) may flow out through the concentrated water outlet branch 202.

In one embodiment, the controller 102 is communicatively coupled to a first flow monitoring module and a second flow monitoring module; the first flow monitoring module is used for monitoring the total purified water flow of the water entering the reverse osmosis membrane filtration module 110, and the second flow monitoring module is used for monitoring the flow of the concentrated water subjected to reverse osmosis treatment by the reverse osmosis membrane filtration module 110; the controller 102 determines the reverse osmosis membrane effluent flow rate according to the total purified water flow rate and the concentrated water flow rate, and specifically, the difference between the total purified water flow rate and the concentrated water flow rate may be used as the reverse osmosis membrane effluent flow rate.

In one embodiment, the water purification apparatus further comprises: temperature monitoring module 206, temperature monitoring module 206 and controller 102 communication connection for the temperature of monitoring water purification unit's water, wherein, temperature monitoring module 206 can set up in water purification unit's optional position department, and in this embodiment, temperature monitoring module 206 sets up on water inlet branch 104, and wherein, temperature monitoring module 206 can be any monitoring facilities such as temperature sensor, as long as can monitor the temperature of obtaining water purification unit's water.

In one embodiment, referring to fig. 2, the water purifying apparatus further includes: a pressure monitoring module 208 disposed on the water inlet branch 104; the pressure monitoring module 208 is communicatively coupled to the controller 102; the pressure monitoring module 208 is used for monitoring the pressure parameter before the reverse osmosis treatment entering the reverse osmosis membrane filtration module 110, wherein the pressure monitoring module 208 can be arranged at any position in front of the reverse osmosis membrane filtration module 110, and the pressure monitoring module 208 can be any monitoring device such as a pressure sensor, so long as the pressure parameter before the reverse osmosis treatment can be monitored.

In one embodiment, referring to fig. 2, the water purifying apparatus further includes: the water quality monitoring module 210 is arranged on the water inlet branch; the water quality monitoring module 210 is in communication connection with the controller 102; the water quality monitoring module 210 is used to monitor the water quality parameters before reverse osmosis treatment entering the reverse osmosis membrane filtration module 110. The water quality parameters specifically include one or more types of parameters, and different types of detection devices can be used for detecting and collecting the water quality parameters for each type of parameters, meanwhile, the water quality monitoring module 210 can be arranged at any position in front of the reverse osmosis membrane filtration module 110, and the water quality monitoring module 210 can be any monitoring device such as a water quality sensor, so long as the water quality parameters before reverse osmosis treatment can be monitored.

In one embodiment, referring to fig. 2, the water purifying apparatus further includes: the water purifier comprises a water purifier, a front filter element, a filter core and a filter, wherein the front filter element is an important water purifying part in the water purifier, the front filter element is generally connected with a raw water inlet of the water purifier, raw water to be filtered enters the water purifier from the raw water inlet, the front filter element of the water purifier performs a first filtering operation on the raw water, and harmful substances such as silt, rust, bacteria, colloid, macro-organic matters and the like in the raw water are filtered to obtain the raw water subjected to the first filtering operation.

In one embodiment, the controller 102 increases the rotation speed of the pressure stabilizing pump or the power supply parameter of the pressure stabilizing pump when the temperature of the water in the water purifying apparatus is higher than a preset water temperature, or when the pressure parameter before reverse osmosis treatment is lower than the lower limit of the water outlet flow range of the reverse osmosis membrane, or when the water quality parameter before reverse osmosis treatment is higher than the preset water quality parameter before reverse osmosis treatment, wherein the power supply parameter includes at least one of power supply voltage and power supply current, wherein the current rotation speed of the pressure stabilizing pump can be increased by 10% to 50%, the current power supply voltage of the pressure stabilizing pump can be increased by 10% to 50%, and the current power supply current of the pressure stabilizing pump can be increased by 10% to 50%.

In one embodiment, referring to fig. 2, the water purifying apparatus further includes: the pressure stabilizing pump, the water inlet electromagnetic valve and the post-positioned filter element, and drinkable pure water flows out of the pure water outlet after continuously passing through the post-positioned filter element through the reverse osmosis membrane filter element water production branch 106.

In one embodiment, referring to fig. 2, the water purifying apparatus further includes: a concentrate flow rate adjusting module 204 arranged on the concentrate outlet branch 202; the concentrate flow rate adjustment module 204 is in communication with the controller 102; the controller 102 obtains the adjustment amount of the flow parameter of the concentrated water after reverse osmosis treatment of the water purification equipment, and controls the concentrated water flow adjusting module to adjust the flow of the concentrated water based on the adjustment amount of the flow parameter of the concentrated water after reverse osmosis treatment.

In one embodiment, the concentrate flow rate adjustment module 204 may adjust the concentrate flow rate of the water purification apparatus in response to control of the controller 102, the controller 102 obtains an adjustment amount of a flow parameter of the reverse osmosis-treated concentrate of the water purification apparatus, and the concentrate flow rate adjustment module 204 is controlled to adjust the concentrate flow rate based on the adjustment amount of the flow parameter of the reverse osmosis-treated concentrate.

In one embodiment, the rich water flow adjustment module 204 can be a multi-stage regulating valve, and the rich water flow is adjusted by the multi-stage regulating valve. The multi-gear adjusting valve is an important part in water purifying equipment, and is mainly used for timely discharging concentrated water generated in the filtering process, preventing the filter element from scaling due to the enrichment of the concentrated water in the filter element and adjusting the internal pressure of the filter element to enable the filter element to work normally. It can be understood that the multi-gear adjusting valve is an adjusting valve capable of adjusting the flow of the concentrated water. The concentrated water flow of the water purifying equipment can be adjusted by adjusting the multi-gear adjusting valve.

In one embodiment, the multi-stage regulating valve has a plurality of flow channels corresponding to a plurality of flow stages or flow openings of various sizes and a plurality of flow stages, wherein the multi-stage regulating valve can have a plurality of flow channels, the plurality of flow channels are arranged side by side, and each flow channel is provided with a corresponding stage switch valve and a corresponding flow intercepting hole. The size of the waste water flow which can pass through each flow channel is consistent, the water inlet of each flow channel is connected with the waste water inlet of the waste water branch, and the water outlet of each flow channel is connected with the waste water outlet of the waste water branch. The waste water flow gears of the water purifier during operation correspond to the number of flow channels of the waste water valve during operation.

In one embodiment, the raw water flows into the main water inlet branch 104, passes through the pre-filter element disposed on the main water inlet branch 104, and performs a first filtering operation on the raw water to filter harmful substances such as silt, rust, bacteria, colloid, and large-scale organic substances in the raw water, so as to obtain raw water after the first filtering operation, the raw water after the first filtering operation flows through the water inlet solenoid valve and the pressure stabilizing pump of the water purifying apparatus, the pressure stabilizing pump applies a certain pressure to the raw water, so that water molecules and ionic mineral elements pass through the reverse osmosis membrane filter element, and are filtered into drinkable pure water, while most of inorganic salts (including heavy metals), organic substances, bacteria and viruses dissolved in the water cannot pass through the reverse osmosis membrane filter module 110, so as to become non-drinkable concentrated water, and the drinkable pure water continues to pass through the post-filter element via the reverse osmosis membrane filter element water production branch 106, flows out from the pure water outlet, and the non-drinkable concentrated water flows out from the concentrated water outlet through a concentrated water outlet branch 202.

Wherein, at the in-process of water purification unit system water, flow monitoring module 108 can be used for monitoring the reverse osmosis membrane outlet flow on the water branch road 106 is produced to the reverse osmosis membrane filter core, and reverse osmosis membrane outlet flow is the flow of the pure water after carrying out reverse osmosis treatment.

When the reverse osmosis membrane effluent flow rate does not meet the preset reverse osmosis membrane effluent flow rate condition, the controller 102 acquires the temperature of the water purification equipment monitored by the temperature monitoring module 206, the pressure parameter before reverse osmosis treatment of the reverse osmosis membrane filtration module 110 monitored by the pressure monitoring module 208 and the water quality parameter before reverse osmosis treatment of the reverse osmosis membrane filtration module 110 monitored by the water quality monitoring module 210, so that when the temperature of the water purification equipment is higher than the preset water temperature, or when the pressure parameter before reverse osmosis membrane is lower than the lower limit of the reverse osmosis membrane effluent flow rate range, or when the water quality parameter before reverse osmosis treatment is higher than the preset water quality parameter before reverse osmosis treatment, the rotating speed of the pressure stabilizing pump or the power supply parameter of the pressure stabilizing pump is increased until the reverse osmosis membrane effluent flow rate meets the preset reverse osmosis membrane effluent flow rate condition. The power supply parameters comprise at least one of power supply voltage and power supply current, wherein the current rotating speed of the voltage stabilizing pump can be increased by 10-50%, the current power supply voltage of the voltage stabilizing pump is increased by 10-50%, and the current power supply current of the voltage stabilizing pump is increased by 10-50% until the water flow of the reverse osmosis membrane meets the preset water flow condition of the reverse osmosis membrane.

The controller 102 obtains an adjustment amount of a flow parameter of the concentrated water after reverse osmosis treatment of the water purification equipment when the outlet flow of the reverse osmosis membrane does not satisfy a preset outlet flow condition of the reverse osmosis membrane, and controls the concentrated water flow adjusting module 204 to adjust the flow of the concentrated water based on the adjustment amount of the flow parameter of the concentrated water after reverse osmosis treatment until the outlet flow of the reverse osmosis membrane satisfies the preset outlet flow condition of the reverse osmosis membrane.

In one embodiment, as shown in fig. 3, a method for controlling a water purifying apparatus is provided, which is described by taking the method as an example for being applied to the controller 102 in fig. 1, and includes the following steps:

step S302, obtaining the reverse osmosis membrane effluent flow of the water purification equipment, wherein the reverse osmosis membrane effluent flow is the flow of pure water subjected to reverse osmosis treatment.

In one embodiment, the reverse osmosis membrane outlet water flow rate refers to the water flow rate of pure water treated by a reverse osmosis membrane filter element, wherein the reverse osmosis membrane filter element is a core part of the reverse osmosis water purifier, water (such as raw water) can directly flow through a water inlet electromagnetic valve and a pressure stabilizing pump of the water purifier, the pressure stabilizing pump applies certain pressure to the raw water, water molecules and ionic mineral elements pass through the reverse osmosis membrane filter element to be filtered into drinkable pure water, and most of inorganic salts (including heavy metals), organic matters, bacteria and viruses dissolved in the water cannot pass through the reverse osmosis membrane filter element, so that the drinkable pure water is changed into non-drinkable waste water.

In one embodiment, the raw water may also pass through the pre-filter element, and after the first filtering operation is performed by the pre-filter element, the raw water flows through a water inlet solenoid valve and a pressure stabilizing pump of the water purifier, and the pressure stabilizing pump applies a certain pressure to the raw water, so that water molecules and ionic mineral elements pass through the reverse osmosis membrane filter element and are filtered into drinkable purified water.

Step S304, if the reverse osmosis membrane effluent flow does not meet the preset reverse osmosis membrane effluent flow condition, adjusting the operation parameters of the water purification equipment, wherein the operation parameters are parameters related to the reverse osmosis membrane effluent flow of the water purification equipment until the reverse osmosis membrane effluent flow meets the preset reverse osmosis membrane effluent flow condition.

In one embodiment, the preset reverse osmosis membrane effluent flow condition refers to a condition that a preset reverse osmosis membrane effluent flow should be met, the operation parameter of the water purifying device is a parameter related to the reverse osmosis membrane effluent flow of the water purifying device, and the operation parameter of the water purifying device is adjusted to have a certain influence on the reverse osmosis membrane effluent flow, so that when the reverse osmosis membrane effluent flow does not meet the preset reverse osmosis membrane effluent flow condition, the reverse osmosis membrane effluent flow meets the preset reverse osmosis membrane effluent flow condition by adjusting the operation parameter of the water purifying device.

In the control method of the water purification equipment, whether the reverse osmosis membrane effluent flow meets the preset reverse osmosis membrane effluent flow condition is judged by acquiring the reverse osmosis membrane effluent flow of the water purification equipment, so that when the reverse osmosis membrane effluent flow does not meet the preset reverse osmosis membrane effluent flow condition, the reverse osmosis membrane effluent flow meets the preset reverse osmosis membrane effluent flow condition by adjusting the operation parameters of the water purification equipment, wherein the reverse osmosis membrane effluent flow is the flow of pure water subjected to reverse osmosis treatment, and the operation parameters are parameters related to the reverse osmosis membrane effluent flow of the water purification equipment, and the water production efficiency of the water purification equipment can be improved by the method.

acquiring the total purified water flow of the water purifying equipment, wherein the total purified water flow is the flow of water entering a reverse osmosis membrane;

obtaining the concentrated water flow of the water purification equipment, wherein the concentrated water flow is the flow of concentrated water obtained by performing reverse osmosis treatment on water entering a reverse osmosis membrane by the reverse osmosis membrane;

and determining the water outlet flow of the reverse osmosis membrane based on the total purified water flow and the concentrated water flow.

In one embodiment, the total purified water flow is the flow of water entering a reverse osmosis membrane, the concentrated water flow can be understood as a waste water flow, after the total purified water flow is filtered by a reverse osmosis membrane filter element, water molecules and mineral elements in an ionic state pass through the reverse osmosis membrane filter element to be filtered into drinkable pure water, most of inorganic salts (including heavy metals), organic matters, bacteria and viruses dissolved in the water cannot pass through the reverse osmosis membrane filter element, so that the non-drinkable waste water is changed, the non-drinkable waste water flows out from a waste water port through a waste water branch, and the concentrated water flow is subtracted from the total purified water flow to obtain the reverse osmosis membrane outlet water flow. Therefore, the water outlet flow of the reverse osmosis membrane can be determined by the method.

In one embodiment, the pure water outlet of the water purification device is an outlet through which pure water flows, and the water outlet of the reverse osmosis membrane of the water purification device can be used for obtaining the water outlet flow of the water purification device.

In one embodiment, the method further comprises the following steps: comparing the outlet water flow of the reverse osmosis membrane with a preset outlet water flow range of the reverse osmosis membrane; if the water outlet flow of the reverse osmosis membrane is smaller than the lower limit of the water outlet flow range of the reverse osmosis membrane, determining that the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane; otherwise, determining that the water outlet flow of the reverse osmosis membrane meets the preset water outlet flow condition of the reverse osmosis membrane.

In one embodiment, the preset reverse osmosis membrane effluent flow range refers to a condition that a preset reverse osmosis membrane effluent flow should meet, specifically, the reverse osmosis membrane effluent flow is compared with the preset reverse osmosis membrane effluent flow range, the reverse osmosis membrane effluent flow is smaller than a lower limit of the reverse osmosis membrane effluent flow range, it is determined that the reverse osmosis membrane effluent flow does not meet the preset reverse osmosis membrane effluent flow condition, and otherwise, it is determined that the reverse osmosis membrane effluent flow meets the preset reverse osmosis membrane effluent flow condition. Therefore, whether the water outlet requirement of the water purifying equipment is met or not can be determined through the water outlet flow of the reverse osmosis membrane by the method.

In one embodiment, the monitoring parameters of the water purification equipment refer to parameters related to the water purification equipment obtained through monitoring, the monitoring parameters may include water temperature, pressure parameters before reverse osmosis treatment and water quality parameters before reverse osmosis treatment, the water temperature refers to the temperature of water in the water purification equipment, the pressure parameters before reverse osmosis treatment refer to the measured pressure of the water before reverse osmosis treatment, the water quality parameters before reverse osmosis treatment refer to the measured water quality of the water before reverse osmosis treatment, pressure parameters of a pressure stabilizing pump are adjusted according to the monitoring parameters, the pressure parameters of the pressure stabilizing pump refer to parameters capable of influencing the pressure of the pressure stabilizing pump, and the operation parameters include the pressure parameters of the pressure stabilizing pump. Therefore, the method can adjust the operation parameters by monitoring the parameters.

In one embodiment, if the reverse osmosis membrane effluent flow rate does not satisfy a preset reverse osmosis membrane effluent flow rate condition, adjusting the operation parameters of the water purification equipment includes:

if the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane, acquiring monitoring parameters of the water purifying equipment, wherein the monitoring parameters comprise flow parameters of concentrated water subjected to reverse osmosis treatment;

acquiring the adjustment quantity of the flow parameter of the concentrated water subjected to reverse osmosis treatment of the water purification equipment according to the flow parameter of the concentrated water subjected to reverse osmosis treatment;

and adjusting the flow parameter of the concentrated water after reverse osmosis treatment of the water purification equipment based on the adjustment quantity of the flow parameter of the concentrated water after reverse osmosis treatment, wherein the operation parameter comprises the flow parameter of the concentrated water after reverse osmosis treatment.

In one embodiment, the flow parameter of the concentrated water after the reverse osmosis treatment refers to the flow of the concentrated water after the reverse osmosis treatment, and the adjustment amount of the flow parameter of the concentrated water refers to the amount of the concentrated water to be adjusted, so that the flow parameter of the concentrated water after the reverse osmosis treatment of the water purification equipment can be adjusted according to the adjustment amount of the flow parameter of the concentrated water after the reverse osmosis treatment.

In one embodiment, said adjusting said surge tank pressure parameter based on said monitored parameter comprises:

and if the water temperature is higher than the preset water temperature, improving the rotating speed of the stabilized pressure pump or the power supply parameter of the stabilized pressure pump, wherein the power supply parameter comprises at least one of voltage and power supply current.

In one embodiment, the preset water temperature refers to a condition that a preset water temperature should be met, and if the water temperature is higher than the preset water temperature, the rotating speed of the stabilized pressure pump or the power supply parameter of the stabilized pressure pump is increased, wherein the power supply parameter comprises at least one of voltage and power supply current, the current rotating speed of the stabilized pressure pump can be increased by 10% -50%, the current power supply voltage of the stabilized pressure pump is increased by 10% -50%, and the current power supply current of the stabilized pressure pump is increased by 10% -50%, so that the pressure parameter of the stabilized pressure pump can be adjusted by the method, and the water production quantity of the water purification equipment is increased.

and if the pressure parameter before the reverse osmosis treatment is smaller than the preset pressure before the reverse osmosis treatment, improving the rotating speed of the pressure stabilizing pump or the power supply parameter of the pressure stabilizing pump, wherein the power supply parameter comprises at least one of voltage and power supply current.

In one embodiment, the preset pressure before reverse osmosis treatment refers to a condition that a preset pressure parameter before reverse osmosis treatment should meet, and if the pressure before reverse osmosis treatment is less than the preset pressure before reverse osmosis treatment, the rotating speed of the pressure stabilizing pump or the power supply parameter of the pressure stabilizing pump is increased, wherein the power supply parameter comprises at least one of voltage and power supply current, the current rotating speed of the pressure stabilizing pump can be increased by 10% -50%, the current power supply voltage of the pressure stabilizing pump is increased by 10% -50%, and the current power supply current of the pressure stabilizing pump is increased by 10% -50%, so that the pressure parameter of the pressure stabilizing pump can be adjusted by the method, and the water production amount of the water purifying equipment is increased.

In one embodiment, the preset water quality parameter before reverse osmosis treatment refers to a condition that a preset water quality parameter before reverse osmosis treatment should meet, and if the water quality parameter before reverse osmosis treatment is greater than the preset water quality parameter before reverse osmosis treatment, the rotating speed of a pressure stabilizing pump or a power supply parameter of the pressure stabilizing pump is increased, wherein the power supply parameter comprises at least one of voltage and power supply current, the current rotating speed of the pressure stabilizing pump can be increased by 10% -50%, the current power supply voltage of the pressure stabilizing pump is increased by 10% -50%, and the current power supply current of the pressure stabilizing pump is increased by 10% -50%, so that the pressure parameter of the pressure stabilizing pump can be adjusted by the method, and the water production quantity of the water purification equipment is increased.

In one embodiment, the flow rate variation of the concentrated water under unit pressure is used for representing the variation of the concentrated water under unit pressure, and the flow rate of the concentrated water in the water purifying device is multiplied by the flow rate variation of the concentrated water under unit pressure to obtain the adjustment amount of the flow rate parameter of the concentrated water. The adjustment amount of the flow parameter of the concentrated water can be determined by the method.

In one embodiment, referring to fig. 4, a schematic flow chart of a control method of a water purification apparatus in one embodiment is shown:

wherein, the raw water flows into the main water inlet branch, passes through the prepositive filter element arranged on the main water inlet branch, the prepositive filter element carries out a first filtering operation on the raw water, and filters harmful substances such as silt, rust, bacteria, colloid, large organic matters and the like in the raw water to obtain the raw water after the first filtering operation, the raw water after the first filtering operation flows through the water inlet electromagnetic valve and the pressure stabilizing pump of the water purifying device, the pressure stabilizing pump applies certain pressure on the raw water to ensure that water molecules and mineral elements in ionic state pass through the reverse osmosis membrane filter element to be filtered into drinkable pure water, most of inorganic salt (including heavy metal), organic matters, bacteria and virus substances dissolved in the water can not pass through the reverse osmosis membrane filter module, thereby becoming the non-drinkable concentrated water, the drinkable pure water passes through the reverse osmosis membrane water producing branch and then continuously passes through the postpositive filter element, the concentrated water flows out from the pure water outlet, and the non-drinkable concentrated water flows out from the waste water outlet through the concentrated water outlet branch.

Wherein, in the water production process, the controller can acquire the reverse osmosis membrane effluent flow of the water purification equipment, and the reverse osmosis membrane effluent flow is the flow of the pure water subjected to reverse osmosis treatment.

If the reverse osmosis membrane effluent flow does not meet the preset reverse osmosis membrane effluent flow condition, adjusting the operation parameters of the water purification equipment, wherein the operation parameters are parameters related to the reverse osmosis membrane effluent flow of the water purification equipment until the reverse osmosis membrane effluent flow meets the preset reverse osmosis membrane effluent flow condition, the preset reverse osmosis membrane effluent flow condition is a condition that the preset reverse osmosis membrane effluent flow should meet, and the reverse osmosis membrane effluent flow can be influenced to a certain extent by adjusting the operation parameters of the water purification equipment.

If the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane, monitoring parameters of the water purifying equipment can be obtained, wherein the monitoring parameters comprise water temperature, pressure parameters before reverse osmosis treatment and water quality parameters before reverse osmosis treatment; and adjusting the pressure parameter of the pressure stabilizing pump based on the monitoring parameter, wherein the operation parameter comprises the pressure parameter of the pressure stabilizing pump.

The monitoring parameters of the water purifying equipment refer to parameters related to the water purifying equipment, the monitoring parameters can comprise water temperature, pressure parameters before reverse osmosis treatment and water quality parameters before reverse osmosis treatment, the water temperature refers to the temperature of water in the water purifying equipment, the pressure parameters before reverse osmosis treatment refer to the measured pressure of the water before reverse osmosis treatment, the water quality parameters before reverse osmosis treatment refer to the measured water quality of the water before reverse osmosis treatment, pressure parameters of a pressure stabilizing pump are adjusted according to the monitoring parameters, the pressure parameters of the pressure stabilizing pump refer to parameters which can affect the pressure of the pressure stabilizing pump, and the operation parameters comprise the pressure parameters of the pressure stabilizing pump.

If the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane, the flow parameter of the concentrated water after the reverse osmosis treatment can be obtained, and the adjustment quantity of the flow parameter of the concentrated water refers to the quantity of the concentrated water needing to be adjusted, so that the flow parameter of the concentrated water after the reverse osmosis treatment of the water purifying equipment can be adjusted according to the adjustment quantity of the flow parameter of the concentrated water after the reverse osmosis treatment.

And finally, adjusting the pressure parameter of the pressure stabilizing pump, or adjusting the flow parameter of the concentrated water after reverse osmosis treatment, or simultaneously adjusting the pressure parameter of the pressure stabilizing pump and the flow parameter of the concentrated water after reverse osmosis treatment, so that the outlet water flow of the reverse osmosis membrane meets the preset outlet water flow condition of the reverse osmosis membrane.

It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be rotated or alternated with other steps or at least a part of the steps or stages in other steps.

Based on the same inventive concept, the embodiment of the present application further provides a control device of a water purification apparatus for implementing the control method of the water purification apparatus. The implementation scheme for solving the problems provided by the device is similar to the implementation scheme recorded in the method, so the specific limitations in the embodiment of the control device of one or more water purifying plants provided below can be referred to the limitations of the control method of the water purifying plant, and are not described herein again.

In one embodiment, as shown in fig. 5, there is provided a control device of a water purifying apparatus, including: a reverse osmosis membrane effluent flow obtaining module 502 and an operation parameter adjusting module 504, wherein:

a reverse osmosis membrane effluent flow obtaining module 502, configured to obtain a reverse osmosis membrane effluent flow of the water purifying apparatus, where the reverse osmosis membrane effluent flow is a flow of pure water subjected to reverse osmosis treatment;

an operation parameter adjusting module 504, configured to adjust an operation parameter of the water purifying apparatus if the reverse osmosis membrane effluent flow does not satisfy a preset reverse osmosis membrane effluent flow condition, where the operation parameter is a parameter associated with the reverse osmosis membrane effluent flow of the water purifying apparatus until the reverse osmosis membrane effluent flow satisfies the preset reverse osmosis membrane effluent flow condition.

In one embodiment, the reverse osmosis membrane effluent flow acquiring module is used for acquiring a total purified water flow of the water purifying equipment, wherein the total purified water flow is a flow of water entering a reverse osmosis membrane; obtaining the concentrated water flow of the water purification equipment, wherein the concentrated water flow is the flow of concentrated water obtained by performing reverse osmosis treatment on water entering a reverse osmosis membrane by the reverse osmosis membrane; and determining the water outlet flow of the reverse osmosis membrane based on the total purified water flow and the concentrated water flow.

In one embodiment, the reverse osmosis membrane effluent flow rate obtaining module is configured to obtain a reverse osmosis membrane effluent flow rate of the water purifying apparatus obtained at a pure water outlet of the water purifying apparatus.

In one embodiment, the apparatus further comprises: a reverse osmosis membrane outlet water flow comparison module;

the reverse osmosis membrane water outlet flow comparison module is used for comparing the reverse osmosis membrane water outlet flow with a preset reverse osmosis membrane water outlet flow range; if the water outlet flow of the reverse osmosis membrane is smaller than the lower limit of the water outlet flow range of the reverse osmosis membrane, determining that the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane; otherwise, determining that the water outlet flow of the reverse osmosis membrane meets the preset water outlet flow condition of the reverse osmosis membrane.

In one embodiment, the operation parameter adjusting module is configured to obtain monitoring parameters of the water purifying equipment if the reverse osmosis membrane effluent flow does not satisfy a preset reverse osmosis membrane effluent flow condition, where the monitoring parameters include a water temperature, a pressure parameter before reverse osmosis treatment, and a water quality parameter before reverse osmosis treatment; and adjusting a pressure parameter of a pressure stabilizing pump based on the monitoring parameter, wherein the operation parameter comprises the pressure parameter of the pressure stabilizing pump.

In one embodiment, the operation parameter adjustment module is configured to, if the reverse osmosis membrane effluent flow does not satisfy a preset reverse osmosis membrane effluent flow condition, obtain a monitoring parameter of the water purification apparatus, where the monitoring parameter includes a flow parameter of the concentrated water after reverse osmosis treatment; acquiring the adjustment quantity of the flow parameter of the concentrated water subjected to reverse osmosis treatment of the water purification equipment according to the flow parameter of the concentrated water subjected to reverse osmosis treatment; and adjusting the flow parameter of the concentrated water after reverse osmosis treatment of the water purification equipment based on the adjustment quantity of the flow parameter of the concentrated water after reverse osmosis treatment, wherein the operation parameter comprises the flow parameter of the concentrated water after reverse osmosis treatment.

In one embodiment, the operation parameter adjusting module is configured to increase a rotation speed of the pressure stabilizing pump or a power supply parameter of the pressure stabilizing pump if the water temperature is greater than a preset water temperature, where the power supply parameter includes at least one of voltage and power supply current.

In one embodiment, the operation parameter adjusting module is configured to increase a rotation speed of the pressure stabilizing pump or a power supply parameter of the pressure stabilizing pump if the pressure parameter before reverse osmosis treatment is smaller than a preset pressure before reverse osmosis treatment, where the power supply parameter includes at least one of voltage and power supply current.

In one embodiment, the operation parameter adjusting module is configured to increase a rotation speed of the pressure stabilizing pump or a power supply parameter of the pressure stabilizing pump if the water quality parameter before reverse osmosis treatment is greater than a preset water quality parameter before reverse osmosis treatment, where the power supply parameter includes at least one of a power supply voltage and a power supply current.

In one embodiment, the operation parameter adjusting module is configured to obtain a flow variation of the concentrated water under a unit pressure; and multiplying the flow of the concentrated water of the water purifying equipment by the flow variation of the concentrated water under the unit pressure to determine the flow parameter adjustment quantity of the concentrated water.

All or part of each module in the control device of the water purifying equipment can be realized by software, hardware and a combination thereof. The modules can be embedded in a processor in the water purifying equipment or independent of the processor in the water purifying equipment in a hardware form, and can also be stored in a memory in the water purifying equipment in a software form, so that the processor can call and execute the corresponding operation of each module.

In an embodiment, a computer readable storage medium is provided, having a computer program stored thereon, which, when being executed by a processor, carries out the steps of the above-described method of controlling a water purification apparatus.

In an embodiment, a computer program product is provided, comprising a computer program which, when being executed by a processor, carries out the steps of the control method of the water purification device described above.

It should be noted that, the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data for analysis, stored data, presented data, etc.) referred to in the present application are information and data authorized by the user or sufficiently authorized by each party.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high-density embedded nonvolatile Memory, resistive Random Access Memory (ReRAM), Magnetic Random Access Memory (MRAM), Ferroelectric Random Access Memory (FRAM), Phase Change Memory (PCM), graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others. The databases referred to in various embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing based data processing logic devices, etc., without limitation.

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

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. A method of controlling a water purification apparatus, the method comprising:

2. The method of claim 1, wherein the obtaining of the reverse osmosis membrane effluent flow rate of the water purification unit comprises:

determining the water outlet flow of the reverse osmosis membrane based on the total purified water flow and the concentrated water flow;

or the like, or, alternatively,

and obtaining the water outlet flow of the reverse osmosis membrane of the water purifying equipment, which is obtained at the pure water outlet of the water purifying equipment.

3. The method of claim 1, further comprising:

comparing the outlet water flow of the reverse osmosis membrane with a preset outlet water flow range of the reverse osmosis membrane;

if the water outlet flow of the reverse osmosis membrane is smaller than the lower limit of the water outlet flow range of the reverse osmosis membrane, determining that the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane;

otherwise, determining that the water outlet flow of the reverse osmosis membrane meets the preset water outlet flow condition of the reverse osmosis membrane.

4. The method of claim 1, wherein if the reverse osmosis membrane effluent flow rate does not satisfy a preset reverse osmosis membrane effluent flow rate condition, adjusting the operating parameters of the water purification apparatus comprises:

if the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane, acquiring monitoring parameters of the water purifying equipment, wherein the monitoring parameters comprise water temperature, pressure parameters before reverse osmosis treatment and water quality parameters before reverse osmosis treatment;

and adjusting a pressure parameter of a pressure stabilizing pump based on the monitoring parameter, wherein the operation parameter comprises the pressure parameter of the pressure stabilizing pump.

5. The method of claim 1, wherein if the reverse osmosis membrane effluent flow rate does not satisfy a preset reverse osmosis membrane effluent flow rate condition, adjusting the operating parameters of the water purification equipment comprises:

6. The method of claim 4, wherein the adjusting the surge tank pressure parameter based on the monitored parameter comprises at least one of:

the first item:

if the water temperature is higher than the preset water temperature, the rotating speed of the pressure stabilizing pump or the power supply parameter of the pressure stabilizing pump is increased, wherein the power supply parameter comprises at least one of voltage and power supply current;

the second term is:

if the pressure parameter before reverse osmosis treatment is smaller than the preset pressure before reverse osmosis treatment, the rotating speed of a pressure stabilizing pump or the power supply parameter of the pressure stabilizing pump is increased, wherein the power supply parameter comprises at least one of voltage and power supply current;

the third item:

and if the water quality parameter before reverse osmosis treatment is larger than the preset water quality parameter before reverse osmosis treatment, improving the rotating speed of the pressure stabilizing pump or the power supply parameter of the pressure stabilizing pump, wherein the power supply parameter comprises at least one of power supply voltage and power supply current.

7. The method of claim 5, wherein the adjustment of the flow parameter of the reverse osmosis treated concentrated water is determined by:

acquiring the flow variation of the concentrated water under unit pressure;

and multiplying the flow of the concentrated water of the water purifying equipment by the flow variation of the concentrated water under the unit pressure to determine the flow parameter adjustment quantity of the concentrated water.

8. A control device of a water purifying apparatus, characterized in that the device comprises: the system comprises a reverse osmosis membrane effluent flow acquisition module and an operation parameter adjustment module;

9. A water purification unit, its characterized in that, water purification unit includes: the system comprises a controller, a water inlet branch, a reverse osmosis membrane filter element water production branch and a flow monitoring module; a reverse osmosis membrane filtration module is arranged on the water production branch of the reverse osmosis membrane filter element, and the controller is in communication connection with the flow monitoring module;

the flow monitoring module monitors the water outlet flow of a reverse osmosis membrane on the water production branch of the reverse osmosis membrane filter element, and the controller adjusts the operation parameters of the water purifying equipment when the water outlet flow of the reverse osmosis membrane does not meet the preset water outlet flow condition of the reverse osmosis membrane, wherein the operation parameters are parameters related to the water outlet flow of the reverse osmosis membrane of the water purifying equipment until the water outlet flow of the reverse osmosis membrane meets the preset water outlet flow condition of the reverse osmosis membrane.

10. The water purification apparatus of claim 9, wherein the flow monitoring module is disposed in the reverse osmosis membrane filter element water production branch.

11. The water purification apparatus of claim 9, wherein the flow monitoring module comprises a first flow monitoring module and a second flow monitoring module;

the first flow monitoring module is arranged on the water inlet branch, the second flow monitoring module is arranged on a concentrated water outlet branch communicated with the reverse osmosis membrane filtering module, and the controller is in communication connection with the first flow monitoring module and the second flow monitoring module;

the first flow monitoring module is used for monitoring the total purified water flow of the water entering the reverse osmosis membrane filtration module, and the second flow monitoring module is used for monitoring the flow of the concentrated water subjected to reverse osmosis treatment by the reverse osmosis membrane filtration module;

and the controller determines the water outlet flow of the reverse osmosis membrane according to the total purified water flow and the concentrated water flow.

12. The water purification apparatus of claim 9, further comprising: a temperature monitoring module;

the temperature monitoring module is used for monitoring the temperature of water of the water purifying equipment.

13. The water purification apparatus of claim 9, further comprising: the pressure monitoring module is arranged on the water inlet branch; the pressure monitoring module is in communication connection with the controller;

the pressure monitoring module is used for monitoring pressure parameters before reverse osmosis treatment entering the reverse osmosis membrane filtering module.

14. The water purification apparatus of claim 9, further comprising: the water quality monitoring module is arranged on the water inlet branch; the water quality monitoring module is in communication connection with the controller;

15. The water purification apparatus of claim 9, wherein the controller increases the rotation speed of the pressure stabilizing pump or the power supply parameter of the pressure stabilizing pump when the temperature of the water in the water purification apparatus is higher than a preset water temperature, or when the pressure parameter before the reverse osmosis membrane is lower than the lower limit of the water outlet flow range of the reverse osmosis membrane, or when the water quality parameter before the reverse osmosis treatment is higher than the preset water quality parameter before the reverse osmosis treatment, wherein the power supply parameter comprises at least one of power supply voltage and power supply current.

16. The water purification apparatus of claim 9, further comprising: the concentrated water flow regulating module is arranged on the concentrated water outlet branch;

the concentrated water flow regulating module is in communication connection with the controller;

the controller obtains the adjustment quantity of the flow parameter of the concentrated water after reverse osmosis treatment of the water purification equipment, and controls the concentrated water flow adjusting module to adjust the concentrated water flow based on the adjustment quantity of the flow parameter of the concentrated water after reverse osmosis treatment.

17. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 7.

18. A computer program product comprising a computer program, characterized in that the computer program realizes the steps of the method of any one of claims 1 to 7 when executed by a processor.