CN218596180U

CN218596180U - Water purification system based on double filtering assemblies

Info

Publication number: CN218596180U
Application number: CN202220361113.4U
Authority: CN
Inventors: 陈小平; 李大川; 李中杨; 吕苏
Original assignee: Foshan Viomi Electrical Technology Co Ltd
Current assignee: Foshan Viomi Electrical Technology Co Ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2023-03-10
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a water purification system based on double filtering components, which comprises a raw water branch, a supercharging device, a produced water branch, a wastewater discharge branch, a pure water discharge branch and a supercharging device, and when the produced water branch is judged to meet a first washing condition, the water purification system is controlled to execute a first washing operation; and when the water production branch line is judged to meet the water production condition, controlling the water purification system to execute the first stage water production and the second stage water production. It can be seen that, the utility model discloses can provide the multi-stage and wash and make water control mechanism, adopt two filtering component's structure, through the operation of washing between the filtering unit group, practice thrift the water consumption of washing process when reaching the quick purpose of washing to carry out effectual washing and system water to water purification system, showing the intelligent control level who improves water purification system, improve the washing efficiency of filter core, improve water purification system's water yield, promote first glass of water quality of water, avoid the waste of water resource.

Description

Water purification system based on double filtering assemblies

Technical Field

The utility model relates to a water purification technology field especially relates to a water purification control method and water purification system based on two filter assembly.

Background

Along with the rapid development of water purification technology, water purifiers filtering through devices such as reverse osmosis pressure membranes are more and more popular, but after long-time use, concentrated waste water stays in the reverse osmosis membrane devices all the time, salt or other soluble solids are attached to the reverse osmosis pressure membranes, and the service life of the reverse osmosis pressure membranes is shortened. Therefore, the water purifier needs to be flushed frequently.

In practical application, the wastewater side of the reverse osmosis pressure membrane is usually washed by using filtered water or raw water, and the washed water is directly discharged. However, the flushing method can cause the water purifier to discharge more waste water in the flushing process, reduce the water production efficiency of the water purifier and waste water resources.

Therefore, it is important to provide a water purification control method based on dual filter assemblies to improve the efficiency of washing and water production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a water purification control method and device based on two filter assemblies, can provide the multistage and wash and make water control mechanism, adopt two filter assemblies's structure simultaneously, through the washing operation between the filtration unit group, practice thrift the water consumption of washing process when reaching the quick purpose of washing, to carry out effectual washing and system water to water purification system, show the intelligent control level who improves water purification system, improve the washing efficiency of filter core, improve water purification system's water production rate, promote first cup water quality of water, avoid the waste of water resource.

In order to solve the technical problem, the utility model discloses a water purification control method based on two filter assemblies is disclosed to a first aspect, the method is applied to in the water purification system, the water purification system includes raw water branch road, supercharging device, product water branch road, waste water discharge branch road and pure water discharge branch road, be equipped with supercharging device on the raw water branch road, supercharging device is used for producing the water pressure difference, supercharging device is located the upper reaches of product water branch road, a serial communication port, product water branch road includes first filter element group and second filter element group, first filter element group includes first filter element water inlet, first filter element group, first waste water export, first pure water export, second filter element group includes second filter element water inlet, second filter element group, second waste water export, second pure water export, first waste water export with the second filter element water inlet is connected, first pure water export and the second pure water export all with pure water discharge branch road is connected, first pure water export still is connected with first pure water backward flow branch road, second pure water export still is connected with the waste water discharge branch road, the method includes:

judging whether the water production branch meets a first flushing condition or not;

when the water production branch line is judged to meet the first flushing condition, controlling the water purification system to execute a first flushing operation; the first flushing operation is used for enabling pure water generated by the first filtering unit group and the second filtering unit group to respectively flow back to the supercharging device through the first pure water backflow branch and the second pure water backflow branch and then input into the water production branch to flush the first filter element assembly and the second filter element assembly;

judging whether the water production branch meets water production conditions or not;

when the water production branch is judged to meet the water production condition, controlling the water purification system to execute water production in a first stage and water production in a second stage;

when the water is produced in the first stage, controlling the water purification system to execute a first water production operation, wherein the first water production operation is used for controlling the pure water generated by the second filter unit group to flow back to the supercharging device through the second pure water backflow branch and then input into the first filter unit group, so that the pure water generated by the first filter unit group is discharged through the pure water discharge branch;

and when the water is produced in the second stage, controlling the water purification system to execute a second water production operation, wherein the second water production operation is used for discharging the pure water produced by the first filtering unit group and the second filtering unit group through the pure water discharge branch respectively.

As an optional implementation manner, in the first aspect of the present invention, a pre-device is further disposed on the raw water branch, the pre-device is located upstream of the pressure boosting device, and the second wastewater outlet is further connected to a wastewater backflow branch;

after the controlling the water purification system to perform the first flushing operation, the method further includes:

judging whether the water production branch meets a second flushing condition or not;

when the water production branch line is judged to meet the second flushing condition, controlling the water purification system to execute a second flushing operation; the second washes the operation and is used for control the waste water backward flow branch road carries out first waste water backward flow operation, first waste water backward flow operation be used for with the waste water backward flow that second waste water export discharged extremely the pre-installation, with will in the pre-installation the raw water replacement of buffer memory back release with the first pure water that washes the operation backward flow mixes input extremely behind the supercharging device input produce the water branch road with right first filter element group spare with the second filter element group spare is washed.

As an optional implementation manner, in the first aspect of the present invention, when performing the first stage of water production, the method further includes:

control the waste water backward flow branch road carries out the operation of second waste water backward flow, second waste water backward flow operation is used for control the waste water backward flow branch road will the waste water backward flow that second waste water export discharged extremely the front-mounted device, with will in the front-mounted device after the raw water replacement of buffer memory release with the pure water of first system water operation backward flow mix input extremely behind the supercharging device input first filtering unit group, with the pure water warp that first filtering unit group produced the pure water discharge branch road is discharged.

As an optional implementation manner, in the first aspect of the present invention, the determining whether the produced water branch satisfies the second flushing condition includes:

judging whether the duration of the first flushing operation exceeds a first preset duration, and determining that the water producing branch meets a second flushing condition when the duration of the first flushing operation exceeds the first preset duration; alternatively, the first and second liquid crystal display panels may be,

and judging whether the first water quality value of the second wastewater outlet is lower than a first water quality threshold, and determining that the water production branch meets a second flushing condition when the first water quality value of the second wastewater outlet is lower than the first water quality threshold.

As an optional implementation manner, in the first aspect of the present invention, the method further includes:

when the water production of the first stage is carried out, judging whether the water production of the first stage is finished or not, and when the water production of the first stage is judged to be finished, starting the water production of the second stage;

wherein the judging whether the water making at the first stage is finished comprises:

judging whether the duration of the water production in the first stage exceeds a second preset duration, and determining that the water production in the first stage is finished when the duration of the water production in the first stage exceeds the second preset duration; alternatively, the first and second electrodes may be,

and judging whether the first water quality value of the second wastewater outlet exceeds a second water quality threshold, and determining that the water production in the first stage is finished when the second water quality value of the second wastewater outlet exceeds the second water quality threshold.

and when the first stage water production or the second stage water production is carried out, when the first water quality value of the second wastewater outlet exceeds a third water quality threshold value or when the second water quality value of the first filter element water inlet exceeds a fourth water quality threshold value, controlling the wastewater backflow branch to execute closing operation.

As an optional implementation manner, in the first aspect of the present invention, the determining whether the produced water branch satisfies the first flushing condition includes:

judging whether a third water quality value of the first wastewater outlet exceeds a fifth water quality threshold, and determining that the water production branch meets the first flushing condition when the third water quality value exceeds the fifth water quality threshold; alternatively, the first and second electrodes may be,

judging whether a first water quality value of the second wastewater outlet exceeds a sixth water quality threshold, and determining that the water production branch meets the first flushing condition when the first water quality value exceeds the sixth water quality threshold; alternatively, the first and second electrodes may be,

judging whether a fourth water quality value of the first pure water outlet exceeds a seventh water quality threshold, and determining that the water production branch meets the first flushing condition when the fourth water quality value exceeds the seventh water quality threshold; alternatively, the first and second electrodes may be,

judging whether a fifth water quality value of the second pure water outlet exceeds an eighth water quality threshold, and determining that the water production branch meets the first flushing condition when the fifth water quality value exceeds the eighth water quality threshold; alternatively, the first and second electrodes may be,

judging whether a sixth water quality value of the pure water discharge branch exceeds a ninth water quality threshold, and determining that the water production branch meets the first flushing condition when the sixth water quality value exceeds the ninth water quality threshold; alternatively, the first and second liquid crystal display panels may be,

judging whether the time difference between the current time point and the time point of the last washing completion of the water production branch exceeds a third preset time length or not, and determining that the water production branch meets the first washing condition when the time difference between the current time point and the time point of the last washing completion of the water production branch exceeds the third preset time length; alternatively, the first and second electrodes may be,

judging whether the working time of the water production branch exceeds a fourth preset time, and determining that the water production branch meets the first flushing condition when the working time of the water production branch exceeds the fourth preset time, wherein the working time comprises the working time of single water production or the total time of the latest N times of water production; alternatively, the first and second liquid crystal display panels may be,

judging whether the water production amount of the water production branch exceeds a preset water amount or not, and determining that the water production branch meets the first flushing condition when the water production amount of the water production branch exceeds the preset water amount, wherein the water production amount comprises the water production amount of a single time or the water production amount of the latest N times; alternatively, the first and second electrodes may be,

judging whether the water making times of the water producing branch exceed preset water making times or not, and determining that the water producing branch meets the first flushing condition when the water making times of the water producing branch exceed the preset water making times, wherein the water making times comprise the sum of the water making times between the current time point and the time point when the water producing branch is flushed last time or the total water making times in the water producing life cycle of the water producing branch.

The utility model discloses the second aspect discloses a water purification system based on two filtering component, water purification system includes the raw water branch road, produces water branch road, wastewater discharge branch road and pure water discharge branch road, the raw water is equipped with supercharging device on the road, supercharging device is used for producing the water pressure difference, supercharging device is located produce the upper reaches of water branch road, its characterized in that, water purification system still includes:

the water production branch comprises a first filtering unit group and a second filtering unit group, the first filtering unit group comprises a first filter element water inlet, a first filter element assembly, a first wastewater outlet and a first pure water outlet, the second filtering unit group comprises a second filter element water inlet, a second filter element assembly, a second wastewater outlet and a second pure water outlet, the first wastewater outlet is connected with the second filter element water inlet, and the first pure water outlet and the second pure water outlet are both connected with the pure water discharge branch;

the first pure water backflow branch and the pure water discharge branch are intersected at a first pure water backflow intersection, and the first pure water backflow branch and the raw water branch are intersected at a second pure water backflow intersection; a second pure water return branch, one end of which is connected to the second pure water outlet and the other end of which intersects the first pure water return branch at a third pure water return intersection, the third pure water return intersection being located between the first pure water return intersection and the second pure water return intersection;

the first pure water backflow branch and the second pure water backflow branch are used for respectively returning pure water generated by the first filtering unit group and the second filtering unit group to the supercharging device and then inputting the pure water into the water production branch to flush the first filter element assembly and the second filter element assembly when the water production branch is judged to meet a first flushing condition;

the water production branch is used for carrying out water production in a first stage and water production in a second stage when the water production branch is judged to meet the water production condition;

when water is produced in the first stage, the second pure water backflow branch is further used for returning pure water generated by the second filter unit group to the supercharging device and then inputting the pure water into the first filter unit group, so that pure water generated by the first filter unit group is discharged through the pure water discharge branch;

and when water is produced in the second stage, the water producing branch is used for discharging the pure water generated by the first filtering unit group and the second filtering unit group through the pure water discharging branch respectively.

As an optional embodiment, in the second aspect of the present invention, the water purification system further comprises:

a wastewater return branch, wherein the wastewater return branch and the wastewater discharge branch are intersected at a first wastewater return intersection, and the wastewater return branch and the raw water branch are intersected at a second wastewater return intersection; the second wastewater return junction is located upstream of the pressure boosting device;

the raw water branch is provided with a preposed device which is used for caching raw water of the raw water branch or/and discharging returned wastewater from the second wastewater outlet; the pre-device is positioned downstream of the second wastewater return cross-point and upstream of the second pure water return cross-point;

waste water backward flow branch road is used for judging produce the water branch road and satisfy during the second washes the condition, will the waste water backward flow that second wastewater outlet discharged extremely leading device, with will in leading device after the raw water replacement of buffer memory release with first pure water backward flow branch road with the pure water of second pure water backward flow branch road backward flow mixes the input extremely behind the supercharging device input produce the water branch road with right first filter element group spare with the second filter element group spare is washed.

As an optional implementation manner, in the second aspect of the present invention, a first pure water backflow valve component and a second pure water backflow valve component are disposed on the first pure water backflow branch, the first pure water backflow valve component is located between the first pure water backflow intersection and the third pure water backflow intersection, and the second pure water backflow valve component is located between the second pure water backflow intersection and the third pure water backflow intersection; a waste water reflux valve component is arranged on the waste water reflux branch; a pure water valve component is arranged on the pure water discharge branch; and a waste water valve component is arranged on the waste water discharge branch.

a branch communicated with the second wastewater outlet is provided with a water quality detection device, and the water quality detection device is used for monitoring the real-time water quality value of the second wastewater outlet;

wherein, water quality testing device includes:

the first water quality detection device is arranged at the second wastewater outlet; or/and (c) the first and/or second,

the second water quality detection device is arranged on the wastewater backflow branch; and/or the first and/or second light sources,

and the third water quality detection device is arranged on the wastewater discharge branch.

As an optional implementation manner, in the second aspect of the present invention, when the wastewater backflow branch and the wastewater discharge branch share a partial branch, the wastewater backflow branch and the wastewater discharge branch share a branch path on which a wastewater proportioning device is disposed, the wastewater proportioning device is used to adjust the water volume proportion of the wastewater discharged from the wastewater outlet flowing into the wastewater backflow branch and the wastewater discharge branch respectively.

As an optional implementation manner, in the second aspect of the present invention, the first waste water outlet is provided with a fourth water quality detection device, and the fourth water quality detection device is used for detecting the water quality condition of the first waste water outlet.

As an optional implementation manner, in the second aspect of the present invention, a fifth water quality detecting device is disposed on the first pure water backflow branch, the fifth water quality detecting device is located between the first pure water outlet and the first pure water backflow intersection, and the fifth water quality detecting device is used for detecting the water quality condition of the first pure water outlet.

As an optional implementation manner, in the second aspect of the present invention, a sixth water quality detection device is disposed on the second pure water backflow branch, the sixth water quality detection device is located between the second pure water outlet and the third pure water backflow intersection, and the sixth water quality detection device is configured to detect the water quality condition of the second pure water outlet.

As an optional implementation manner, in the second aspect of the present invention, a seventh water quality detection device is disposed on the raw water branch, the seventh water quality detection device is located between the second pure water backflow intersection and the first filter core water inlet, and the seventh water quality detection device is configured to detect a water quality condition of the first filter core water inlet.

The utility model discloses a third aspect discloses another kind of water purification controlling means based on two filtering component, the device includes:

a memory storing executable program code;

a processor coupled with the memory;

the processor calls the executable program code stored in the memory to execute part or all of the steps in any one of the water purification control methods based on the double-filter component disclosed by the first aspect of the invention.

The utility model discloses a fourth aspect discloses a computer storage medium, computer storage medium storage has computer instruction, when computer instruction is called, is used for carrying out the utility model discloses an arbitrary based on two filter assembly's part or whole steps in the water purification control method that the first aspect discloses.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a water purification control method based on double filtering components, which is applied to a water purification system, wherein the water purification system comprises a raw water branch, a supercharging device, a produced water branch, a wastewater discharge branch, a pure water discharge branch and a supercharging device, and when the produced water branch is judged to meet a first flushing condition, the water purification system is controlled to execute a first flushing operation; and when the water production branch line is judged to meet the water production condition, controlling the water purification system to execute the first stage of water production and the second stage of water production. It can be seen that, the utility model discloses can provide the multi-stage and wash and make water control mechanism, adopt two filtering component's structure, through the operation of washing between the filtering unit group, practice thrift the water consumption of washing process when reaching the quick purpose of washing to carry out effectual washing and system water to water purification system, showing the intelligent control level who improves water purification system, improve the washing efficiency of filter core, improve water purification system's water yield, promote first glass of water quality of water, avoid the waste of water resource.

Drawings

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

Fig. 1 is a schematic flow chart of a water purification control method based on dual filter assemblies according to an embodiment of the present invention;

fig. 2 is a schematic flow chart of another water purification control method based on dual filter assemblies according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a water purification system based on dual filter assemblies according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of another water purification system based on dual filter assemblies disclosed in the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a water purification control device based on double filter assemblies disclosed in an embodiment of the present invention.

The reference symbols in the figures represent the following meanings: a first group of filter cells 1; a second group of filter cells 2; a pressure boosting device 3; a first water quality detection device 4; a front-end device 5; a wastewater return valve assembly 6; a first pure water return valve assembly 7; a second pure water return valve assembly 8; a pure water valve assembly 9; a wastewater proportioning device 10; a second water quality detecting device 11; a third water quality detecting device 12; a fourth water quality detecting device 13; a sixth water quality detecting device 14; a seventh water quality detecting device 15; a fifth water detecting device 16; a waste water valve assembly 17; a first pure water reflux intersection A; a second pure water reflux intersection B; a third pure water reflux intersection C; a first wastewater return intersection D; the second wastewater return junction E.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The terms "first," "second," and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, article, or article that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or article.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The utility model discloses a water purification control method and device based on two filter assemblies, this water purification control method and device based on two filter assemblies can provide the multistage and wash and make water control mechanism, adopt two filter assemblies's structure simultaneously, through the washing operation between the filter unit group, practice thrift the water consumption of washing process when reaching the quick purpose of washing, with effectively wash and make water to water purification system, show the intelligent control level who improves water purification system, improve the washing efficiency of filter core, improve water purification system's water yield, promote first glass of water quality, avoid the waste of water resource. The following are detailed descriptions of the respective components.

Example one

Referring to fig. 1, fig. 1 is a schematic flow chart of a water purification control method based on dual filter assemblies according to an embodiment of the present invention. As shown in fig. 1, the method for controlling purified water based on the dual filtering assemblies may include the following operations:

101. and judging whether the water production branch meets a first flushing condition or not.

The embodiment of the utility model provides an in, water purification system includes the raw water branch road, supercharging device, the product water branch road, waste water discharges branch road and pure water discharge branch road, be equipped with supercharging device on the raw water branch road, supercharging device is used for producing the water pressure difference, supercharging device is located the upper reaches of product water branch road, the product water branch road includes first filter cell group and second filter cell group, first filter cell group includes first filter core water inlet, first filter core subassembly, first waste water export, first pure water export, the second filter cell group includes second filter core water inlet, second filter core subassembly, second waste water export, second pure water export, first waste water export is connected with second filter core water inlet, first pure water export and second pure water export all are connected with pure water discharge branch road, first pure water export still is connected with first pure water backward flow branch road, second pure water export still is connected with second pure water backward flow branch road, second waste water export with waste water discharge branch road is connected. The raw water branch is also provided with a preposed device which is positioned at the upstream of the supercharging device, and the second waste water outlet is also connected with a waste water reflux branch. Raw water flows through the prepositive device and is pressurized by the pressurizing device, then is input into the first filtering unit group, and is filtered into pure water and wastewater by the first filtering unit group, and the pure water can flow back to the pressurizing device through the first pure water backflow branch line and is input into a water production branch line, and can also be discharged through the pure water discharge branch line; waste water can input the second filter unit group, continues to be filtered by the second filter unit group for pure water and waste water, and the pure water can be produced the water branch road to supercharging device input through second pure water backward flow branch road, also can discharge through the pure water discharge branch road, and waste water can directly discharge through waste water discharge branch road. The utility model discloses whether the method needs to judge the product water branch road and satisfies the condition of washing, also whether the filter core satisfies the condition of washing, just starts the operation of washing when satisfying the condition of washing. For example, after the user accumulates a certain volume of water intake, when TDS changes to a certain value by detecting the waste water outlet, the flushing operation is started. In the embodiment of the utility model, the leading device is used for the water of buffer memory raw water branch road and/or pure water backward flow branch road input. Wherein, the prepositive device can include single chamber water storage device, multicavity water storage device, gasbag water storage device, filter equipment etc. the embodiment of the utility model provides a do not restrict. In addition, the present invention is not limited to the capacity of the front device, and preferably, the capacity of the front device is not fixed but adjustable.

102. When judging that the product water branch satisfies the first condition of washing, control water purification system and carry out the first operation of washing.

The embodiment of the utility model provides an in, when judging that the product water branch road satisfies first washing condition, the explanation needs to wash first filter element group spare and/or second filter element group spare. The control water purification system carries out the first operation of washing, and wherein, the first operation of washing is used for producing the pure water that first filter unit group and second filter unit group produced respectively through first pure water backward flow branch road and second pure water backward flow branch road input behind supercharging device and produces the water branch road in order to wash first filter element group spare and second filter element group spare, reduces the waste water concentration in first filter element group spare and the second filter element group spare.

103. And judging whether the water production branch meets the water production condition.

104. And when the water production branch line is judged to meet the water production condition, controlling the water purification system to execute the first stage water production and the second stage water production.

105. And controlling the water purification system to execute a first water preparation operation when water preparation in the first stage is carried out.

The embodiment of the utility model provides an in, when carrying out the system water of first stage, control water purification system carries out first system water operation, wherein, first system water operation is used for controlling the pure water that second filter unit group produced and inputs first filter unit group behind second pure water backward flow branch road backward flow to supercharging device, with the pure water that produces first filter unit group discharge through the pure water discharge branch road, also the pure water circulation who produces second filter unit group this moment recycles, input first filter unit group and prepare the pure water behind the raw water of output in the mixed leading device.

106. And controlling the water purification system to execute a second water preparation operation when water preparation at the second stage is carried out.

The embodiment of the utility model provides an in, when carrying out the system water of second stage, control water purification system carries out second system water operation, and second system water operation is used for discharging the pure water that first filter unit group and second filter unit group produced through the pure water discharge branch road respectively, also promptly two filter assembly prepare the pure water simultaneously.

It can be seen that the embodiment of the utility model provides a method that describes can provide the multistage and wash and make water control mechanism, adopts two filter assembly's structure simultaneously, through the operation of washing between the filtration unit group, practices thrift the water consumption of washing process when reaching the quick purpose of washing to carry out effectual washing and system water to water purification system, showing the intelligent control level that improves water purification system, improve the washing efficiency of filter core, improve water purification system's water production rate, promote first cup water quality of water, avoid the waste of water resource.

In another optional embodiment, the method may further comprise:

when the first stage of water production is carried out, judging whether the first stage of water production is finished or not, and starting the second stage of water production when the first stage of water production is judged to be finished;

wherein, judge whether water making of first stage is accomplished, include:

and judging whether the first water quality value of the second wastewater outlet exceeds a second water quality threshold, and determining that the water production of the first stage is finished when the second water quality value of the second wastewater outlet exceeds the second water quality threshold.

The embodiment of the utility model provides an in, can be according to predetermineeing control mode, control the system water of first stage and the demarcation point of the system water process of second stage. The preset control mode can be a time mode, can also be a water quality module, can also be a mixture of the time mode and the water quality mode, and the like, and the embodiment of the utility model provides a do not limit.

It can be seen, the embodiment of the utility model provides a method described can adopt two filtering component's structure simultaneously, through the operation of washing between the filtration unit group, practices thrift the water consumption of process of washing when reaching the quick purpose of washing, provides nimble control mode simultaneously, realizes making the accurate of water stage and cuts apart, is favorable to realizing the regulation and control level that becomes more meticulous of system water process, further improves water purification system's water production rate.

In yet another alternative embodiment, determining whether the water production branch satisfies the first flushing condition may include the operations of:

judging whether the third water quality value of the first wastewater outlet exceeds a fifth water quality threshold, and determining that the water production branch meets a first flushing condition when the third water quality value exceeds the fifth water quality threshold; alternatively, the first and second electrodes may be,

judging whether the first water quality value of the second wastewater outlet exceeds a sixth water quality threshold, and determining that the water production branch meets a first flushing condition when the first water quality value exceeds the sixth water quality threshold; alternatively, the first and second electrodes may be,

judging whether the fourth water quality value of the first pure water outlet exceeds a seventh water quality threshold, and determining that the water production branch meets a first flushing condition when the fourth water quality value exceeds the seventh water quality threshold; alternatively, the first and second liquid crystal display panels may be,

judging whether a fifth water quality value of the second pure water outlet exceeds an eighth water quality threshold, and determining that a water production branch meets a first flushing condition when the fifth water quality value exceeds the eighth water quality threshold; alternatively, the first and second electrodes may be,

judging whether the sixth water quality value of the pure water discharge branch exceeds a ninth water quality threshold, and determining that the water production branch meets a first flushing condition when the sixth water quality value exceeds the ninth water quality threshold; alternatively, the first and second electrodes may be,

judging whether the time difference between the current time point and the time point when the last flushing of the water production branch is finished exceeds a third preset time length or not, and determining that the water production branch meets a first flushing condition when the time difference between the current time point and the time point when the last flushing of the water production branch is finished exceeds the third preset time length; alternatively, the first and second liquid crystal display panels may be,

judging whether the working time of the water production branch exceeds a fourth preset time, and determining that the water production branch meets a first flushing condition when the working time of the water production branch exceeds the fourth preset time, wherein the working time comprises the working time of single water production or the total time of the latest N times of water production; alternatively, the first and second electrodes may be,

judging whether the water production quantity of the water production branch exceeds a preset water quantity or not, and determining that the water production branch meets a first flushing condition when the water production quantity of the water production branch exceeds the preset water quantity, wherein the water production quantity comprises the water production quantity of a single time or the water production quantity sum of N times recently; alternatively, the first and second electrodes may be,

and judging whether the water making times of the water producing branch exceed the preset water making times or not, and determining that the water producing branch meets a first flushing condition when the water making times of the water producing branch exceed the preset water making times, wherein the water making times comprise the sum of the water making times between the current time point and the time point when the water producing branch is flushed last time or the total water making times in the water producing life cycle of the water producing branch.

It can be seen that the embodiment of the utility model provides a method that describes can provide a multi-stage water control mechanism, adopt two filter assembly's structure simultaneously, through the washing operation between the filtration unit group, practice thrift the water consumption of washing process when reaching the quick purpose of washing, the method of whether multiple detection filter core satisfies the condition of washing has still been proposed, the in service behavior of monitoring filter core that can be more accurate, in order to realize washing the accuracy of filter core, avoid unnecessary washing operation, further promote the filter core and wash the effect, the water yield of the system of coming is improved.

Example two

Referring to fig. 2, fig. 2 is a schematic flow chart illustrating another water purification control based on dual filter assemblies according to an embodiment of the present invention. As shown in fig. 2, the method for controlling purified water based on the dual filtering assemblies may include the following operations:

201. and judging whether the water production branch meets a first flushing condition or not.

202. And when the produced water branch is judged to meet the first washing condition, controlling the water purification system to execute the first washing operation.

203. Judging whether the water production branch meets a second flushing condition or not;

204. and when the water production branch line is judged to meet the second flushing condition, controlling the water purification system to execute the second flushing operation.

In the embodiment of the utility model, when the produced water branch is judged to meet the second flushing condition, the water purification system is controlled to execute the second flushing operation; the second is washed the operation and is used for controlling waste water backward flow branch road and carry out first waste water backward flow operation, and first waste water backward flow operation is used for the waste water backward flow to leading device with second waste water export discharge to push out behind the raw water replacement of buffer memory in the leading device and mix input to supercharging device after the pure water that flows back with first washing operation and produce the water branch road in order to wash first filter element group spare and second filter element group spare.

The embodiment of the utility model provides an in, when carrying out the second and washing the operation, close the pure water discharge branch road, the waste water of the lower concentration of producing water branch road output flows back to the upper reaches of leading device through waste water backward flow branch road, flow into leading device and replace raw water wherein, simultaneously with produce water branch road output behind the pure water mixed input supercharging device of first pure water backward flow branch road and second pure water backward flow branch road backward flow, wash first filter element group spare and second filter element group spare, further reduce the concentration of the interior waste water of filter element group spare in the producing water branch road, improve next use water quality, retrieve partial low concentration waste water simultaneously, in order to reach the mesh of province water.

205. And judging whether the water production branch meets the water production condition.

206. And when the water production branch line is judged to meet the water production condition, controlling the water purification system to execute the first stage water production and the second stage water production.

207. When the water making of the first stage is carried out, the water purifying system is controlled to execute the first water making operation, and meanwhile, the wastewater backflow branch is controlled to execute the second wastewater backflow operation.

The embodiment of the utility model provides an in, when carrying out the system water of first stage, the operation of second waste water backward flow is carried out to control waste water backward flow branch road, wherein, the operation of second waste water backward flow is used for controlling waste water backward flow to leading device with the waste water of second waste water export emission, in order to release the raw water replacement back of buffer memory in leading device and input the first filtration unit group of input behind supercharging device with the pure water mixture of first system water operation backward flow, in order to discharge the pure water that first filtration unit group produced through the pure water discharge branch road.

The embodiment of the utility model provides an in, before circulating back supercharging device with the pure water that the second filtering unit group produced to retrieve and recycle, discharge the pure water that the first filtering unit group produced through the pure water discharge branch road, promote out water quality of water, flow back to leading device with low concentration waste water through waste water backward flow branch road simultaneously, reach the purpose of water-saving.

208. And controlling the water purification system to execute a second water preparation operation when water preparation at the second stage is carried out.

In the embodiment of the present invention, for other descriptions of step 201 to step 208, please correspond to the detailed description for step 101 to step 106 in the first embodiment, which is not repeated herein.

It can be seen that the embodiment of the utility model provides a method described can provide a multistage water route control mechanism, adopt two filter assembly's structure simultaneously, through the washing operation between the filtration unit group, practice thrift the water consumption of washing process when reaching the quick purpose of washing, simultaneously carry out mixed water system water operation through waste water backward flow circulation, form the reuse to the mixed water among the leading device and the waste water of making the water in-process, the purpose of secondary water conservation has been realized, the relatively poor problem of first cup water quality value when can solving user's water intaking, improve the water yield of purifier simultaneously, avoid the waste of water resource.

In an alternative embodiment, the determining whether the water production branch satisfies the second flushing condition may include the following operations:

judging whether the duration of the first flushing operation exceeds a first preset duration, and determining that the water production branch meets a second flushing condition when the duration of the first flushing operation exceeds the first preset duration; alternatively, the first and second electrodes may be,

and judging whether the first water quality value of the second wastewater outlet is lower than a first water quality threshold, and determining that the water producing branch meets a second flushing condition when the first water quality value of the second wastewater outlet is lower than the first water quality threshold.

The embodiment of the utility model provides an in, the washing operation in the first stage and the washing operation at second stage between accurate linking process can be realized through judging whether the product water branch satisfies the second and washes the condition. The embodiment of the utility model provides an in, can realize producing the water branch road through predetermineeing control mode equally and whether satisfy the second and wash the judgement of condition. Wherein, predetermine the control mode and can be the time mode, also can be the quality of water module, can also be the mixture of time mode and quality of water mode etc, the embodiment of the utility model provides a do not restrict.

It can be seen that the embodiment of the utility model provides a method that describes can be through diversified control mode, accurate linking node and process between each stage of accurate control improve the control accuracy of filter core washing in-process, and then realize washing the accuracy of filter core, avoid unnecessary to wash the operation, further promote the filter core and wash the effect, improve the water yield of purifier.

In another optional embodiment, the method may further comprise the operations of:

when the first stage water production or the second stage water production is carried out, when the first water quality value of the second wastewater outlet exceeds the third water quality threshold value or when the second water quality value of the first filter element water inlet exceeds the fourth water quality threshold value, the wastewater backflow branch is controlled to execute the closing operation.

The embodiment of the utility model provides an in, no matter be at the system water of the first stage or the system water in-process of second stage, can be through monitoring whether the quality of water value of waste water export exceeds standard, perhaps the quality of water value of filter core water inlet exceeds standard, control opening or closing of waste water backward flow branch road. Meanwhile, the use proportion of the wastewater circulation can be adjusted according to the parameters so as to realize the accurate utilization of the wastewater.

It can be seen that the embodiment of the utility model provides a method can provide nimble control mode, when not increasing filter core salinity, the proportion of utilization of dynamic adjustment waste water circulation reaches the level that the waste water backward flow becomes more meticulous and regulates and control, is favorable to realizing washing the accurate of filter core, improves the rate that waste water recovery recycled simultaneously, further improves water purification system's system water production rate.

EXAMPLE III

Referring to fig. 3, fig. 3 is a schematic structural diagram of a water purification system based on dual filter assemblies according to an embodiment of the present invention. Wherein, as shown in fig. 3, this water purification system includes the raw water branch road, produces the water branch road, waste water discharges branch road and pure water discharge branch road, and the raw water is equipped with supercharging device 3 on the road, and supercharging device 3 is used for producing the water permeation that the water pressure difference can be used for making after the pressure boost to pass through the filter core, also can control the backward flow of following pure water backward flow branch road and waste water backward flow branch road normal water, and supercharging device 3 is located the upper reaches of producing the water branch road, and wherein, the filter core can be ordinary filter core, also can be the reverse osmosis filter core, the embodiment of the utility model provides a do not do the restriction. This water purification system can also include:

the water production branch comprises a first filtering unit group 1 and a second filtering unit group 2, the first filtering unit group 1 comprises a first filter element water inlet, a first filter element assembly, a first wastewater outlet and a first pure water outlet, the second filtering unit group 2 comprises a second filter element water inlet, a second filter element assembly, a second wastewater outlet and a second pure water outlet, the first wastewater outlet is connected with the second filter element water inlet, and the first pure water outlet and the second pure water outlet are both connected with a pure water discharge branch;

the first pure water backflow branch and the pure water discharge branch are intersected at a first pure water backflow intersection A, and the first pure water backflow branch and the raw water branch are intersected at a second pure water backflow intersection B; one end of the second pure water backflow branch is connected to a second pure water outlet, the other end of the second pure water backflow branch intersects with the first pure water backflow branch at a third pure water backflow intersection C, and the third pure water backflow intersection C is located between the first pure water backflow intersection A and the second pure water backflow intersection B;

the first pure water backflow branch and the second pure water backflow branch are used for respectively returning pure water generated by the first filtering unit group 1 and the second filtering unit group 2 to the supercharging device 3 and then inputting the pure water into the water production branch to flush the first filter element assembly and the second filter element assembly when the water production branch meets the first flushing condition;

the water production branch is used for carrying out water production in the first stage and water production in the second stage when the water production branch is judged to meet the water production condition;

when water is produced in the first stage, the second pure water backflow branch is also used for returning pure water generated by the second filtering unit group 2 to the supercharging device 3 and then inputting the pure water into the first filtering unit group 1, so that pure water generated by the first filtering unit group 1 is discharged through the pure water discharge branch;

and when the second stage of water production is carried out, the water production branch is used for discharging the pure water generated by the first filtering unit 1 group and the second filtering unit 2 respectively through the pure water discharge branch.

It can be seen, the embodiment of the utility model provides a water purification system described can provide the multistage and wash and make water control mechanism, adopt two filter assembly's structure simultaneously, through the operation of washing between the filtration unit group, practice thrift the water consumption of washing process when reaching the quick purpose of washing to carry out effectual washing and system water to water purification system, showing the intelligent control level that improves water purification system, improve the efficiency of washing of filter core, improve water purification system's water production rate, promote first cup water quality of water, avoid the waste of water resource.

In an alternative embodiment, as shown in fig. 4, the water purification system further comprises:

the waste water backflow branch and the waste water discharge branch are intersected at a first waste water backflow intersection point D, and the waste water backflow branch and the raw water branch are intersected at a second waste water backflow intersection point E; the second wastewater return intersection E is located upstream of the pressurization device 3;

the raw water branch is provided with a preposed device 5, and the preposed device 5 is used for caching raw water of the raw water branch or/and discharging returned wastewater from a second wastewater outlet; the pre-device 5 is positioned downstream of the second wastewater return cross point E and upstream of the second pure water return cross point B;

the waste water backward flow branch road is used for when judging that the product water branch road satisfies the second and washes the condition, with the waste water backward flow of second waste water export discharge to leading device 5 to push out after the raw water replacement of buffer memory in leading device 5 and mix input the product water branch road with the pure water of first pure water backward flow branch road and second pure water backward flow branch road backward flow to supercharging device 3 after input and wash first filter element group spare and second filter element group spare.

In another alternative embodiment, the first pure water return branch is provided with a first pure water return valve assembly 7 and a second pure water return valve assembly 8, the first pure water return valve assembly 7 is positioned between the first pure water return intersection a and the third pure water return intersection C, and the second pure water return valve assembly 8 is positioned between the second pure water return intersection B and the third pure water return intersection C; a wastewater backflow valve assembly 6 is arranged on the wastewater backflow branch; a pure water valve component 9 is arranged on the pure water discharge branch; a waste water valve assembly 17 is arranged on the waste water discharge branch.

In a further optional embodiment, the water purification system further comprises:

a branch communicated with the second wastewater outlet is provided with a water quality detection device which is used for monitoring the real-time water quality value of the second wastewater outlet;

wherein, water quality testing device includes:

a first water quality detection device 4 is arranged at the second wastewater outlet; and/or the first and/or second light sources,

a second water quality detection device 11 is arranged on the wastewater return branch; and/or the first and/or second light sources,

and a third water quality detection device 12 arranged on the waste water discharge branch.

Optionally, when the wastewater backflow branch and the wastewater discharge branch share a part of the branch, a wastewater proportion device 10 is arranged on the branch shared by the wastewater backflow branch and the wastewater discharge branch, and the wastewater proportion device 10 is used for adjusting the water quantity proportion of wastewater discharged from the wastewater outlet flowing into the wastewater backflow branch and the wastewater discharge branch respectively.

Optionally, a fourth water quality detection device 13 is arranged at the first wastewater outlet, and the fourth water quality detection device 13 is used for detecting the water quality condition of the first wastewater outlet.

Optionally, a fifth water quality detecting device 16 is disposed on the first pure water backflow branch, the fifth water quality detecting device 16 is located between the first pure water outlet and the first pure water backflow intersection a, and the fifth water quality detecting device 16 is configured to detect a water quality condition of the first pure water outlet.

Optionally, a sixth water quality detection device 14 is disposed on the second pure water backflow branch, the sixth water quality detection device 14 is located between the second pure water outlet and the third pure water backflow intersection C, and the sixth water quality detection device 14 is configured to detect a water quality condition of the second pure water outlet.

Optionally, a seventh water quality detection device 15 is disposed on the raw water branch, the seventh water quality detection device 15 is located between the second pure water backflow intersection B and the first filter core water inlet, and the seventh water quality detection device 15 is configured to detect a water quality condition of the first filter core water inlet.

Example four

Referring to fig. 5, fig. 5 is a schematic structural diagram of another water purification control device based on dual filter assemblies according to an embodiment of the present invention. Wherein, the device that fig. 5 described can be an independent device, also can integrate in water purification treatment facilities, the embodiment of the utility model does not do the restriction. As shown in fig. 5, the water purification control apparatus based on dual filter assemblies may include:

a memory 401 storing executable program code;

a processor 402 coupled with the memory 401;

the processor 402 calls the executable program code stored in the memory 401 to execute part or all of the steps of the water purification control method based on the dual filter assemblies disclosed in the first embodiment or the second embodiment of the present invention.

EXAMPLE five

The embodiment of the utility model discloses computer storage medium, this computer storage medium storage has computer instruction, and when this computer instruction was called, is used for carrying out the utility model provides a step among the two public water purification control methods based on two filtering component of embodiment one or embodiment two.

The above-described embodiments of the apparatus are only illustrative, and the modules described as separate parts may or may not be physically separate, and the parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Through the above detailed description of the embodiments, those skilled in the art will clearly understand that the embodiments may be implemented by software plus a necessary general hardware platform, and may also be implemented by hardware. With this understanding in mind, the above technical solutions may essentially or in part contribute to the prior art, be embodied in the form of a software product, which may be stored in a computer-readable storage medium, including a Read-Only Memory (ROM), a Random Access Memory (RAM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), a One-time Programmable Read-Only Memory (OTPROM), an electronically Erasable Programmable Read-Only Memory (EEPROM), an optical Disc-Read (CD-ROM) or other storage medium capable of storing data, a magnetic tape, or any other computer-readable medium capable of storing data.

It should be noted that the computer program code required for the operation of various portions of this specification can be written in any one or more of a variety of programming languages, including an object oriented programming language such as Java, scala, smalltalk, eiffel, JADE, emerald, C + +, C #, VB.NET, python, and the like, a conventional programming language such as C, visual Basic, fortran2003, perl, COBOL 2002, PHP, ABAP, a dynamic programming language such as Python, ruby, and Groovy, or other programming languages, and the like. The program code may run entirely on a computer (PC, embedded smart device, etc.), or as a stand-alone software package on the user's computer, or partly on the user's computer and partly on a remote computer, or entirely on the remote computer or server. In the latter scenario, the remote computer may be connected to the user's computer through any network format, such as a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet), or in a cloud computing environment, or as a service, such as a software as a service (SaaS).

Finally, it should be noted that: the water purification control method and device based on double filtering assemblies disclosed in the embodiment of the present invention are only preferred embodiments of the present invention, and are only used for explaining the technical solution of the present invention, not limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a water purification system based on two filter assemblies, water purification system includes that raw water branch road, product water branch road, waste water discharge branch road and pure water discharge branch road, raw water is equipped with supercharging device on the road, supercharging device is used for producing the water pressure difference, supercharging device is located the upper reaches of product water branch road, its characterized in that, water purification system still includes:

and the water producing branch is used for discharging the pure water generated by the first filtering unit group and the second filtering unit group through the pure water discharging branch respectively when water is produced at the second stage.

2. The dual filter assembly-based water purification system of claim 1, further comprising:

a wastewater return branch, wherein the wastewater return branch and the wastewater discharge branch are intersected at a first wastewater return intersection, and the wastewater return branch and the raw water branch are intersected at a second wastewater return intersection; the second wastewater return junction is upstream of the pressure boosting device;

the raw water branch is provided with a preposed device which is used for caching raw water of the raw water branch or/and discharging returned wastewater from the second wastewater outlet; the pre-device is positioned at the downstream of the second wastewater backflow intersection and at the upstream of the second pure water backflow intersection;

the waste water backward flow branch road is used for judging when the product water branch road satisfies the second and washes the condition, will the waste water backward flow that the second waste water export discharged extremely the pre-installation, in order with in the pre-installation cached raw water replacement back release with first pure water backward flow branch road with the pure water mixing input of second pure water backward flow branch road is extremely behind the supercharging device input the product water branch road is in order to right first filter element group spare with the second filter element group spare is washed.

3. The dual filter assembly-based water purification system according to claim 2, wherein a first pure water return valve assembly and a second pure water return valve assembly are arranged on the first pure water return branch, the first pure water return valve assembly is positioned between the first pure water return intersection and the third pure water return intersection, and the second pure water return valve assembly is positioned between the second pure water return intersection and the third pure water return intersection; a waste water reflux valve component is arranged on the waste water reflux branch; a pure water valve component is arranged on the pure water discharge branch; and a waste water valve component is arranged on the waste water discharge branch.

4. The dual filtration assembly based water purification system of claim 2 or 3, further comprising:

wherein, water quality testing device includes:

the first water quality detection device is arranged at the second wastewater outlet; and/or the first and/or second light sources,

5. The dual filter assembly-based water purification system as claimed in claim 4, wherein when the waste water return branch and the waste water discharge branch share a part of branches, a waste water proportioning device is disposed on the branch shared by the waste water return branch and the waste water discharge branch, and the waste water proportioning device is used for adjusting the proportion of the amount of waste water discharged from the waste water outlet flowing into the waste water return branch and the waste water discharge branch respectively.

6. The water purification system based on the double filtering assemblies as claimed in claim 5, wherein a fourth water quality detection device is arranged at the first wastewater outlet, and the fourth water quality detection device is used for detecting the water quality condition of the first wastewater outlet.

7. The dual-filter-assembly-based water purification system as claimed in claim 6, wherein a fifth water quality detection device is disposed on the first pure water backflow branch, and is located between the first pure water outlet and the first pure water backflow intersection, and the fifth water quality detection device is configured to detect a water quality condition of the first pure water outlet.

8. The water purification system based on the double filter assemblies as claimed in claim 7, wherein a sixth water quality detection device is arranged on the second pure water backflow branch, the sixth water quality detection device is located between the second pure water outlet and the third pure water backflow intersection, and the sixth water quality detection device is used for detecting the water quality condition of the second pure water outlet.

9. The water purification system based on double filter assemblies as claimed in claim 8, wherein a seventh water quality detection device is disposed on the raw water branch, the seventh water quality detection device is located between the second pure water backflow intersection and the first filter element water inlet, and the seventh water quality detection device is used for detecting the water quality condition of the first filter element water inlet.