CN115888855A - Method, device, equipment and storage medium for controlling regeneration of soft water resin - Google Patents
Method, device, equipment and storage medium for controlling regeneration of soft water resin Download PDFInfo
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- CN115888855A CN115888855A CN202211550118.2A CN202211550118A CN115888855A CN 115888855 A CN115888855 A CN 115888855A CN 202211550118 A CN202211550118 A CN 202211550118A CN 115888855 A CN115888855 A CN 115888855A
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Abstract
The application discloses a method, a device, equipment and a storage medium for controlling regeneration of soft water resin. The method comprises the following steps: acquiring a current flow value of a third pipeline after the first pipeline and the second pipeline are both started; based on the current flow value, adjusting the working efficiency ratio of the pump body; the first pipeline is used for supplying water, the second pipeline is used for supplying regenerated concentrated salt solution, and the third pipeline is communicated with the first pipeline and the second pipeline and used for supplying salt dissolving solution obtained by mixing water and the regenerated concentrated salt solution. Because can be based on the work efficiency ratio of current flow value dynamic adjustment pump body for in the soft water resin regeneration process, the flow of regeneration strong brine in the second pipeline can follow the change of the flow of first pipeline normal water and change, and then realizes the accurate control of dissolving the salt solution concentration in the third pipeline, effectively improves the regeneration effect of soft water resin, is showing ability and the endurance that improves soft water resin soft water.
Description
Technical Field
The application relates to the field of water softeners, in particular to a control method, a control device, control equipment and a storage medium for regeneration of soft water resin.
Background
Tap water contains a large amount of calcium and magnesium ions, so that the hardness of the water is high, scale is easy to form at high temperature, and the service life of electric appliances such as a water heater, a kettle and the like can be further influenced. Along with the improvement of the life quality of people, the water softener is widely popularized and applied. The water softener has the function of converting hard water into soft water, and particularly achieves the purpose of adsorbing calcium and magnesium ions and converting hard water into soft water by utilizing the exchange of sodium ions on soft water resin and calcium and magnesium ions in hard water.
When all the exchange ions on the soft water resin are replaced, the soft water resin is saturated and fails, the water cannot be softened again, and the soft water resin needs to be regenerated, namely, the calcium ions and the magnesium ions on the soft water resin are replaced by the sodium ions.
In the related art, the regenerated salt is usually dissolved in water to form a regenerated concentrated salt solution with a set concentration, and then the regenerated concentrated salt solution is mixed with tap water to form a salt-dissolved solution for scrubbing the soft water resin. The flow rate of the regenerated concentrated brine is a fixed value, and the concentration of the brine solution is changed due to the change of the flow rate of tap water, so that the replacement of calcium and magnesium ions on the soft water resin is incomplete, and the soft water effect of the water softener is poor.
Disclosure of Invention
In view of the above, embodiments of the present application provide a method, an apparatus, a device and a storage medium for controlling regeneration of a soft water resin, which aim to effectively improve the regeneration effect of the soft water resin.
The technical scheme of the embodiment of the application is realized as follows:
in a first aspect, an embodiment of the present application provides a method for controlling regeneration of a soft water resin, including:
acquiring a current flow value of a third pipeline after the first pipeline and the second pipeline are both started;
based on the current flow value, adjusting the working efficiency ratio of the pump body of the second pipeline;
the first pipeline is used for supplying water, the second pipeline is used for supplying regenerated concentrated brine, and the third pipeline is communicated with the first pipeline and the second pipeline and is used for supplying dissolved salt solution obtained by mixing the water and the regenerated concentrated brine.
In some embodiments, the obtaining a current flow value for the third circuit after both the first and second circuits are activated, the method further comprising:
acquiring a first initial flow value of the first pipeline;
and controlling the pump body to operate at an initial working efficiency ratio based on the first initial flow value, so that the flow value of the second pipeline is a second initial flow value.
In some embodiments, said controlling said pump body to operate at an initial operating efficiency ratio based on said first initial flow value comprises:
determining the second initial flow value based on the first initial flow value, the set concentration value of the regenerated concentrated salt solution and the target concentration value of the salt solution;
determining the initial working efficiency ratio based on the second initial flow value and a set conversion relation;
controlling the pump body to operate at the initial operating efficiency ratio;
wherein the set conversion relationship is a mapping relationship between the operating efficiency ratio and a flow value of the second pipeline.
In some embodiments, prior to said adjusting the operating efficiency ratio of the pump body of the second circuit based on the current flow value, the method further comprises:
determining that the sum of the first initial flow value and the second initial flow value is matched with the current flow value, and operating in a standard salt absorption state;
the adjusting the operating efficiency ratio of the pump body of the second pipeline based on the current flow value includes:
and under the standard salt absorption state, adjusting the working efficiency ratio of the pump body based on the current flow value, the set concentration value of the regenerated concentrated salt solution and the target concentration value of the salt solution, so that the actual concentration value of the salt solution is matched with the target concentration value.
In some embodiments, the method further comprises:
entering a self-checking state based on a set condition;
and under the self-checking state, generating a detection result based on the variable quantity of the working efficiency ratio and the variable quantity of the current flow value, wherein the detection result indicates the exhaustion state of the regenerated concentrated brine.
In some embodiments, the generating a detection result based on the amount of change in the operating efficiency ratio and the amount of change in the current flow rate value includes:
adjusting the pump body to respectively operate at a first set working efficiency ratio and a second set working efficiency ratio;
acquiring a first current flow value of the third pipeline corresponding to the first set working efficiency ratio and a second current flow value corresponding to the second set working efficiency ratio;
generating the detection result based on a matching result of whether the difference value between the first current flow value and the second current flow value is matched with a first set flow threshold value;
wherein the first set flow threshold is determined based on a flow variation amount of the third line corresponding to the first set operating efficiency ratio and the second set operating efficiency ratio.
In some embodiments, the generating a detection result based on the amount of change in the operating efficiency ratio and the amount of change in the current flow rate value includes:
controlling the pump body to dynamically adjust the working efficiency ratio based on the set adjustment amplitude;
acquiring the flow variation of the third pipeline corresponding to at least one dynamic adjustment;
generating the detection result based on a matching result of whether the flow variation is matched with a second set flow threshold;
wherein the second set flow threshold is determined based on an amount of flow change of the third line corresponding to the set modulation amplitude.
In some embodiments, the generating the detection result comprises:
if the matching result is yes, generating a first detection result indicating the state that the regenerated concentrated brine is not exhausted;
and if the matching result is negative, generating a second detection result, and indicating the exhausted state of the regenerated concentrated salt solution or the existence of a pipeline fault.
In some embodiments, the method further comprises:
based on the first detection result, switching to the standard salt absorption state for operation;
and controlling the pump body to stop rotating and/or outputting prompt information based on the second detection result.
In some embodiments, the entering into the self-test state based on a set condition comprises at least one of:
based on the current flow value, before the working efficiency ratio of the pump body is adjusted, if the sum of the first initial flow value and the second initial flow value is determined not to be matched with the current flow value, entering a self-checking state;
if the variable quantity of the current flow value is larger than a set variable threshold value, entering a self-checking state;
and if the continuous operation time of the standard salt absorption state reaches the set interval time, entering a self-checking state.
In a second aspect, an embodiment of the present application provides a control apparatus for regeneration of soft water resin, including:
the acquisition module is used for acquiring the current flow value of the third pipeline after the first pipeline and the second pipeline are both started;
the control module is used for adjusting the working efficiency ratio of the pump body of the second pipeline based on the current flow value;
the first pipeline is used for supplying water, the second pipeline is used for supplying regenerated concentrated brine, and the third pipeline is communicated with the first pipeline and the second pipeline and used for supplying dissolved salt solution mixed by the water and the regenerated concentrated brine.
In a third aspect, an embodiment of the present application provides a control apparatus for regeneration of soft water resin, including: a processor and a memory for storing a computer program capable of running on the processor, wherein the processor is configured to perform the steps of the method according to the first aspect of the embodiments of the present application when running the computer program.
In a fourth aspect, embodiments of the present application provide a water softener, including: the water softener comprises a water softener and a control device, wherein the water softener comprises a first pipeline for supplying water, a second pipeline for supplying regenerated concentrated brine and a third pipeline communicated with the first pipeline and the second pipeline, the third pipeline is used for supplying dissolved salt solution after the water and the regenerated concentrated brine are mixed, a pump body is arranged on the second pipeline, a flowmeter is arranged on the third pipeline, and the control device further comprises the control device.
In a fifth aspect, an embodiment of the present application provides a storage medium, where a computer program is stored on the storage medium, and when the computer program is executed by a processor, the steps of the method in the first aspect of the embodiment of the present application are implemented.
According to the technical scheme provided by the embodiment of the application, the current flow value of the third pipeline after the first pipeline and the second pipeline are both started is obtained; based on the current flow value, adjusting the working efficiency ratio of the pump body; the first pipeline is used for supplying water, the second pipeline is used for supplying regenerated concentrated brine, and the third pipeline is communicated with the first pipeline and the second pipeline and used for supplying salt dissolving liquid after the water and the regenerated concentrated brine are mixed. Because can be based on the work efficiency ratio of current flow value dynamic adjustment pump body for in the soft water resin regeneration process, the flow of regeneration strong brine in the second pipeline can follow the change of the flow of first pipeline normal water and change, and then realizes the accurate control of dissolving the salt solution concentration in the third pipeline, effectively improves the regeneration effect of soft water resin, is showing ability and the endurance that improves soft water resin soft water.
Drawings
FIG. 1 is a schematic view showing a piping structure for regenerating soft water resin in the related art;
FIG. 2 is a schematic view showing the construction of the pipe for regenerating the soft water resin according to the embodiment of the present invention;
FIG. 3 is a schematic flow chart illustrating a control method for regeneration of soft water resin according to an embodiment of the present application;
FIG. 4 is a schematic diagram illustrating a mapping relationship between a pump body work efficiency ratio and a pump body flow rate according to an example of the present application;
FIG. 5 is a schematic diagram illustrating switching of operating states of a control device according to an embodiment of the present application;
FIG. 6 is a schematic flow chart illustrating a control method for regeneration of soft water resin according to an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a control device for regeneration of soft water resin according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a control device according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples.
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 in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
In the related art, a piping structure for regenerating soft water resin is shown in fig. 1, and the piping structure includes: the pipeline comprises a first pipeline 1, a second pipeline 2 and a third pipeline 3, wherein the outlets of the first pipeline 1 and the second pipeline 2 are communicated with the inlet of the third pipeline 3 through a valve 4 with two inlets and one outlet. A first pipe 1 for supplying water, for example tap water; the second conduit 2 may supply regenerated strong brine, for example, stored in a salt tank; the third pipeline 3 is used for supplying the mixed salt solution of the water and the regenerated strong brine to the soft water resin to regenerate the soft water resin, namely, the sodium ions in the salt solution are used for replacing the calcium ions and the magnesium ions on the soft water resin.
Exemplarily, assuming that the flow value of the first pipe 1 is L1 milliliters per minute (ml/min), i.e., the flow value of the tap water is L1 ml/min, the flow value of the second pipe 2 is L2 ml/min, i.e., the flow value of the regenerated concentrated brine is L2 ml/min, and the concentration value of the regenerated concentrated brine is 50%, and the flow value of the third pipe 3 is L3 ml/min, i.e., the flow value of the mixed salt solution is L3 ml/min, the flow value of the salt solution is L3= L1+ L2, and the concentration value of the salt solution is = (0.5 × L2/(L1 + L2)) = 100%.
However, in the process of flushing and regenerating the soft water resin, the flow rate of the regenerated strong brine is a fixed value, i.e., L2 is a fixed value, and if the flow rate of the tap water fluctuates, i.e., the L1 fluctuates, the concentration value of the salt solution changes along with the fluctuation of L1, and the regeneration effect of the soft water resin is further affected, i.e., the replacement of calcium and magnesium ions on the soft water resin is incomplete, so that the soft water effect of the water softener is poor.
Based on this, the embodiment of the application provides a control method for regeneration of soft water resin, and aims to accurately control the concentration value of the dissolved salt solution in the regeneration process, so as to effectively improve the regeneration effect of the soft water resin.
Before describing the control method, an exemplary piping structure for soft water resin regeneration according to the embodiment of the present application will be described. As shown in fig. 2, the pipeline structure of the embodiment of the present application is further introduced with a pump body 5 provided on the second pipeline 2 and a flow meter 6 provided on the third pipeline 3, in addition to the pipeline structure shown in fig. 1. The pump body 5 can adjust the flow value of the regenerated concentrated salt solution in the second pipeline 2, namely adjust the size of L2, and the flowmeter 6 can detect the flow value of the dissolved salt solution in the third pipeline 3, namely detect the size of L3. The flow meter 6 may be disposed at an inlet of the third pipeline 3, or may be disposed in the pipeline of the third pipeline 3, which is not limited in the embodiment of the present application.
The control method of the embodiment of the present application may be applied to a control apparatus for regenerating soft water resin, as shown in fig. 3, the method including:
Illustratively, a first line 1 supplies tap water and a second line 2 draws regenerated brine from the brine tank under the drive of a pump 5. After the valve body 4 is opened and the pump body 5 is actuated, the third pipeline 3 can supply the mixed salt solution to the soft water resin for regeneration, and the flow meter 6 can detect the current flow rate value of the salt solution in the third pipeline 3 based on the set detection frequency.
It will be appreciated that when there is a fluctuation in the tap water flow in the first pipe 1, and the flow value of the salt solution in the third pipe 3 changes accordingly, the control device can determine that there is a fluctuation in the tap water flow based on the current flow value detected by the flow meter 6.
And step 302, adjusting the working efficiency ratio of the pump body of the second pipeline based on the current flow value.
Here, the operating efficiency ratio of the pump body 5 can be understood as the ratio of the output power of the pump body 5 to the rated power. The operation efficiency ratio is in positive correlation with the flow rate value of the regenerated concentrated brine in the second pipeline 2, that is, the flow rate value of the regenerated concentrated brine increases with the increase of the operation efficiency ratio and decreases with the decrease of the operation efficiency ratio.
Illustratively, adjusting an operating efficiency ratio of the pump body of the second circuit based on the current flow value includes: and adjusting the working efficiency ratio of the pump body based on the current flow value, the set concentration value of the regenerated concentrated salt solution and the target concentration value of the dissolved salt solution, so that the actual concentration value of the dissolved salt solution is matched with the target concentration value, wherein the matching means that the concentration values of the two are equal or the difference value is within a set error.
It can be understood that, controlgear can adjust the work efficiency ratio of the pump body 5 based on the current flow value that flowmeter 6 detected to make the flow of the regeneration strong brine in the second pipeline 2 follow the fluctuation of running water flow and change, thereby make the concentration value of the solution in the third pipeline 3 maintain stably, and then realize the accurate control of the solution concentration in the third pipeline 3, effectively improve the regeneration effect of soft water resin, show ability and the endurance that improves soft water resin soft water.
It can be understood that, before obtaining the current flow value of the third pipeline 3 after the first pipeline 1 and the second pipeline 2 are both started, the pipeline structure needs to be initialized, so that the first pipeline 1 and the second pipeline 2 are both started. Illustratively, the method further comprises:
acquiring a first initial flow value of the first pipeline;
and controlling the pump body to operate at an initial working efficiency ratio based on the first initial flow value, so that the flow value of the second pipeline is a second initial flow value.
Here, in the initial stage of regeneration of the soft water resin, the control device may first close the pump body 5 in the pipeline structure shown in fig. 2, open the valve 4, and obtain the flow value detected by the flow meter 6 after the flow meter 6 is stably operated, and since the second pipeline 2 is closed at this time, the obtained flow value is the first initial flow value of the first pipeline 1, in other words, the current flow value of the tap water may be determined based on the flow value detected by the flow meter 6.
Illustratively, said controlling the pump body on the second line to operate at an initial operating efficiency ratio based on said first initial flow value comprises:
determining the second initial flow value based on the first initial flow value, the set concentration value of the regenerated concentrated brine and the target concentration value of the dissolved salt solution;
determining the initial working efficiency ratio based on the second initial flow value and a set conversion relation;
controlling the pump body to operate at the initial operating efficiency ratio;
wherein the set conversion relationship is a mapping relationship between the operating efficiency ratio and a flow value of the second pipeline.
In one example, the mapping between the operating efficiency ratio and the flow value of the second circuit may be expressed as: l2= a x L max + b, where a is the work efficiency ratio, L max The flow value of the regenerated concentrated brine when the pump body 5 operates at full speed (i.e. operates at rated power), and b is a flow correction value.
For example, assuming that the set concentration value of the regenerated concentrated brine is N and the target concentration value of the brine solution is a, the following conversion formula exists:
(L1+L2)*A＝L2*N
L2＝A*L1/(N-A)
a*L max +b＝A*L1/(N-A)
a＝(A*L1/(N-A)-b)/L max
thus, the control device may determine an initial working efficiency ratio based on the obtained first initial flow value, and control the pump body 5 to operate at the initial working efficiency ratio, so that the flow value of the second pipeline is the second initial flow value, that is, the initial flow of the pump body is determined according to the initial flow of the tap water, so that the concentration value of the salt solution meets the requirement of the target concentration value.
In some embodiments, before said adjusting the operating efficiency ratio of the pump body based on the current flow value, the method further comprises:
determining that the sum of the first initial flow value and the second initial flow value is matched with the current flow value, and operating in a standard salt absorption state;
adjusting the operating efficiency ratio of the pump body based on the current flow value includes:
and under the standard salt absorption state, adjusting the working efficiency ratio of the pump body based on the current flow value, the set concentration value of the regenerated concentrated salt solution and the target concentration value of the salt solution, so that the actual concentration value of the salt solution is matched with the target concentration value.
It will be appreciated that the operating states of the control device include at least an initialisation state and a standard salt absorption state. The work content of the initialization state comprises: and acquiring an initial flow value (namely a first initial flow value) of tap water, calculating an initial working efficiency ratio of the water pump based on the initial flow value of the tap water, and controlling the water pump to operate at a second initial flow value. If it is determined that the current flow value detected by the initialized flow meter 6 matches the sum of the first initial flow value and the second initial flow value, for example, it is determined that the current flow value = the first initial flow value + the second initial flow value, or the difference between the current flow value- (the first initial flow value + the second initial flow value) is smaller than a set error value, it is determined that the sum of the first initial flow value and the second initial flow value matches the current flow value, the control device switches to the standard salt absorption state, and dynamically adjusts the working efficiency ratio of the pump body 5 based on the current flow value detected by the flow meter 6 in the standard salt absorption state, so that the flow of the regenerated concentrated brine in the second pipeline 2 can change along with the change of the flow of the tap water in the first pipeline 1, thereby achieving accurate control of the concentration of the dissolved brine in the third pipeline 3, effectively improving the regeneration effect of the soft water resin, and significantly improving the capacity and durability of the soft water resin.
For example, in the standard salt absorption state, the operating efficiency ratio of the pump body is adjusted based on the current flow value, the set concentration value of the regenerated concentrated brine and the target concentration value of the salt solution, and the operating efficiency ratio can be determined by adopting the following formula:
L1＝L3-(a*L max +b)
a*L max +b＝A*(L3-(a*L max +b))/(N-A)
a＝(A*L3-N*b)/(N*L max )
in this way, the control device may dynamically adjust the working efficiency ratio a of the pump body 5 based on the acquired flow value L3 of the dissolved salt solution, so that the actual concentration value of the dissolved salt solution matches the target concentration value a.
In the related technology, the regenerated strong brine is often stored in a salt box, the absorption time of the regenerated strong brine is also fixed, and the defect of inaccurate control exists, for example, once the problems of unsmooth and smooth water path and the like occur, the salt absorption flow is reduced, the regenerated strong brine in the regeneration process is remained, and the regenerated strong brine in the salt box overflows after being repeated for many times; in addition, if the suction time is too long, the pump body 5 idles after the regenerated strong brine is absorbed, so that the water pump loss of the pump body 5 is increased, and the service life is shortened.
Based on this, the operating state of the control device of the embodiment of the present application further includes: a self-test state for determining a depletion state of the regenerated concentrated brine, the depletion state being of a type including at least: the exhausted state and the non-exhausted state, so that the idle time of the pump body 5 is reduced, and the service life is prolonged.
In some embodiments, the method further comprises:
entering a self-checking state based on a set condition;
and under the self-checking state, generating a detection result based on the variation of the working efficiency ratio and the variation of the current flow value, wherein the detection result indicates the depletion state of the regenerated concentrated brine.
Illustratively, the entering the self-checking state based on the set condition includes at least one of:
based on the current flow value, before the working efficiency ratio of the pump body is adjusted, if the sum of the first initial flow value and the second initial flow value is determined not to be matched with the current flow value, entering a self-checking state;
if the variable quantity of the current flow value is larger than a set variable threshold value, entering a self-checking state;
and if the continuous operation time of the standard salt absorption state reaches the set interval time, entering a self-checking state.
It is understood that if the control device determines in the initialization state that the sum of the first initial flow value and the second initial flow value does not match the current flow value, the control device directly enters the self-checking state, and determines whether to enter the standard salt absorption state based on the self-checking state. The control equipment can also be switched from the standard salt absorption state to the self-checking state, for example, if the variation of the current flow value is determined to be larger than the set variation threshold, the flow fluctuation is large, and the control equipment enters the self-checking state, or the control equipment periodically enters the self-checking state based on the set interval duration, so that the automatic monitoring of the residual quantity of the regenerated concentrated brine in the salt tank is realized.
Here, the monitoring principle of the residual quantity of the regenerated concentrated brine in the self-test state can be understood as follows: and judging whether the flow value of the dissolved salt solution changes correspondingly with the working efficiency ratio a of the pump body 5 according to the change of the working efficiency ratio a of the pump body 5, if so, confirming that the regenerated concentrated salt solution has a residual quantity, otherwise, judging that the regenerated concentrated salt solution is completely absorbed.
In one embodiment, the generating a detection result based on the variation of the operating efficiency ratio and the variation of the current flow rate value includes:
adjusting the pump body to respectively operate at a first set working efficiency ratio and a second set working efficiency ratio;
acquiring a first current flow value of the third pipeline corresponding to the first set working efficiency ratio and a second current flow value corresponding to the second set working efficiency ratio;
generating the detection result based on a matching result of whether the difference value between the first current flow value and the second current flow value is matched with a first set flow threshold value;
wherein the first set flow threshold is determined based on a flow variation amount of the third line corresponding to the first set operating efficiency ratio and the second set operating efficiency ratio.
For example, assuming that the first set operating efficiency ratio is 10% and the second set operating efficiency ratio is 100%, the first set flow threshold Δ L may be determined based on the mapping relationship between the pump body operating efficiency ratio and the pump body flow shown in fig. 4 A ＝L A100 -L A10 Wherein L is A10 I.e. the flow value, L, corresponding to a working efficiency ratio of 10% A100 I.e. a flow value for which the operating efficiency ratio is 100%. The control device may acquire the first current flow rate value and the second current flow rate value based on the detection value of the flowmeter 6, and determine whether the second current flow rate value — the first current flow rate value is equal to Δ L or not A Here, the term "match" means that the two are equal to each other or the difference is smaller than a predetermined error value, and if the two are matched, it is determined that the regenerated concentrated brine has a margin.
In another embodiment, the generating a detection result based on the variation of the operating efficiency ratio and the variation of the current flow rate value includes:
controlling the pump body to dynamically adjust the working efficiency ratio based on the set adjustment amplitude;
acquiring the flow variation of the third pipeline corresponding to at least one dynamic adjustment;
generating the detection result based on a matching result of whether the flow variation is matched with a second set flow threshold;
wherein the second set flow threshold is determined based on an amount of flow change of the third line corresponding to the set modulation amplitude.
Here, the control device may control the pump body 5 to dynamically adjust the operating efficiency ratio based on the set adjustment range with the current operating efficiency ratio as a reference point, for example, assuming that the adjustment range Δ a is set, the control device may control the current operating efficiency ratio of the pump body 5 to increase or decrease Δ a, and based on the detection data of the flow meter 6, acquire a flow rate variation amount corresponding to before and after each adjustment on the third line, and generate the detection result based on a matching result of whether the flow rate variation amount of the third line corresponding to at least one dynamic adjustment matches the second set flow rate threshold value. The matching means that the two are equal or the difference is smaller than the set error value, and if the two are matched, the regenerated concentrated salt solution is confirmed to have the surplus.
Here, the second set flow rate threshold value may be represented as Δ a × L max 。
Illustratively, the adjustment amplitude Δ a is set so that the flow variation of the third pipeline is greater than or equal to 2 times of the fluctuation of the tap water flow, thereby effectively avoiding misjudgment caused by the fluctuation of the tap water flow.
Illustratively, the dynamic adjustment should be alternately increased or decreased by Δ a, and/or the adjustment should be performed less than a set number of times, so as to reduce the influence of the change of the concentration value of the solution on the whole regeneration process in the self-test state as much as possible.
Illustratively, the generating the detection result includes:
if the matching result is yes, generating a first detection result indicating the state that the regenerated concentrated brine is not exhausted;
and if the matching result is negative, generating a second detection result, and indicating the exhausted state of the regenerated concentrated salt solution or the existence of a pipeline fault.
It can be understood that if the variation of the flow value of the salt solution changes along with the variation of the operating efficiency ratio, that is, if the matching result is yes, a first detection result indicating that the regenerated concentrated salt solution is not exhausted is generated; otherwise, the regenerated concentrated salt solution can be judged to be exhausted or a pipeline fault exists, and a second detection result is generated.
Illustratively, the method further comprises:
based on the first detection result, switching to the standard salt absorption state for operation;
and controlling the pump body to stop rotating and/or outputting prompt information based on the second detection result.
It can be understood that, in the self-checking state, the control device can automatically switch to the standard salt absorption state operation based on the first detection result, and can control the pump body to stop rotating and/or output prompt information based on the second detection result, so that the protection of the pump body and the prompt of exhaustion or pipeline fault of the regenerated concentrated saline solution are realized.
The following describes an exemplary control method according to an embodiment of the present application, with reference to an application example.
In the embodiment of the present application, the pipeline structure for regenerating the soft water resin is shown in fig. 2, wherein the first pipeline 1 supplies tap water, the second pipeline 2 is provided with the pump body 5, and the third pipeline 3 is provided with the flow meter 6. The operation state switching of the control device is shown in fig. 5, and the operation state includes: the system comprises an initialization state, a standard salt absorption state and a self-checking state, wherein the initialization state is mainly responsible for: acquiring an initial flow value of tap water, calculating the initial flow value of the pump body, and starting the pump body based on the initial flow value; the standard salt absorption state is mainly responsible for correcting the flow of the pump body in real time; the self-checking state is mainly responsible for judging whether the regenerated concentrated brine is exhausted.
The switching conditions during operation are shown in table 1 below:
TABLE 1
It can be understood that, after the control device is started, the pipeline structure for soft water resin regeneration shown in fig. 2 is started in the initialization state, so that the pump body 5 works in the initial working efficiency ratio, the flow rate of the regenerated strong brine in the second pipeline 2 is the second initial flow rate value corresponding to the first initial flow rate value of the tap water, and the standard salt absorption state is switched to when the switching condition T1 is met, or the self-checking state is switched to when the switching condition T2 is met.
In the standard salt absorption state, the control device dynamically adjusts the working efficiency ratio of the pump body 5 based on the current flow value detected by the flowmeter 6, and further corrects the flow rate of the second pipeline 2, so that the concentration value of the salt solution is maintained stable. If the switching condition T3 is met, namely the variation of the current flow value is larger than a set variation threshold value, or the operation duration of the standard salt absorption state reaches a set interval duration (for example, 5 minutes), switching to a self-checking state; if the switching condition T5 is satisfied, that is, the total operation time of the regeneration process reaches the set time (for example, 30 minutes), the operation is ended, and the regeneration control flow is exited.
Under the self-checking state, whether the flow value of the dissolved salt solution changes correspondingly along with the working efficiency ratio of the pump body 5 is judged through the change of the working efficiency ratio of the pump body 5. If the switching condition T4 is met, namely the change of the working efficiency ratio of the water pump corresponds to the change of the flowmeter, switching to the standard salt absorption state for operation; and if the condition T5 or T6 is met, namely the total operation time of the regeneration process reaches the set time or the change of the working efficiency ratio of the water pump does not correspond to the change of the flow meter, ending the operation and exiting the regeneration control flow.
As shown in fig. 6, the control method according to the present application embodiment includes:
In the initialization stage of the regeneration of the soft water resin, for example, the control device may close the pump body 5 and open the valve 4 in the pipe structure shown in fig. 2, and after the flow meter 6 is stabilized, the flow value detected by the flow meter 6 is obtained, and since the second pipe 2 is closed at this time, the obtained flow value is the first initial flow value of the first pipe 1, in other words, the initial flow value of the tap water can be determined based on the flow value detected by the flow meter 6.
Exemplarily, it may be based on the aforementioned A = (A × L1/(N-A) -b)/L max The initial working efficiency ratio a of the pump body 5 is obtained, and then the pump body is started and the initial flow value of the regenerated concentrated brine is operated.
Here, the remaining amount of the regenerated concentrated brine can be automatically monitored by controlling the change of the operating efficiency ratio of the pump body 5.
Here, when the regenerated concentrated brine is not exhausted, the flow meter should change along with the change of the working efficiency ratio, so that the automatic monitoring of the residual quantity of the regenerated concentrated brine in the salt box is realized. It should be noted that the change of the working efficiency ratio of the control pump body 5 may be the aforementioned control based on the set working efficiency ratio or based on the set adjustment range, and the corresponding judgment mechanism may refer to the aforementioned description of the "self-checking state", and is not described herein again.
It can be understood that, when the control device determines that the regenerated concentrated brine in the salt tank is not exhausted, the control device may operate in the standard salt suction state, and adjust the operating efficiency ratio of the pump body based on the flow value of the flow meter, which may be specifically referred to the foregoing description of the "standard salt suction state", and will not be described herein again.
It should be noted that, in the standard salt absorption state, the control device further compares the variation of the flow meter with a set variation threshold, and if the variation is greater than the set variation threshold, the control device returns to step 603 to switch to the self-checking state to automatically monitor the remaining amount of the regenerated concentrated brine, otherwise, the control device returns to step 605 to continue operating in the standard salt absorption state.
It can be understood that, in the self-checking state, if the change of the flow meter does not correspond to the change of the work efficiency ratio, the present application example further determines whether the flow meter is in the first-run self-checking state, and if so, step 608 may be executed; if not, go to step 609.
At step 608, a pipeline failure is determined.
It can be understood that when the control equipment operates the self-checking state for the first time, if the change of the flow meter does not correspond to the change of the working efficiency ratio, the pipeline fault can be judged, and the control equipment outputs prompt information to prompt related personnel to maintain the pipeline structure in time.
In step 609, the regeneration control flow is exited after completion of the determination.
The control method of the application embodiment can adjust the working efficiency ratio of the pump body based on the detection value of the flowmeter under the standard salt absorption state, so that the concentration of the salt solution in the third pipeline is stably maintained, the regeneration effect of the soft water resin is effectively improved, and the capacity and the endurance of the soft water resin are obviously improved; in addition, the residual quantity of the regenerated concentrated salt solution is automatically monitored based on the self-checking state, so that the idle time of the pump body can be effectively reduced, and the service life of the pump body is prolonged.
In order to implement the method of the embodiment of the present application, the embodiment of the present application further provides a control device for soft water resin regeneration, which corresponds to the above control method for soft water resin regeneration, and the steps in the above control method for soft water resin regeneration are also fully applicable to the embodiment of the control device for soft water resin regeneration.
As shown in fig. 7, the control device for regenerating the soft water resin includes: an acquisition module 701 and a control module 702. The obtaining module 701 is configured to obtain a current flow value of the third pipeline after the first pipeline and the second pipeline are both started; the control module 702 is configured to adjust a working efficiency ratio of the pump body of the second pipeline based on the current flow value; the first pipeline is used for supplying water, the second pipeline is used for supplying regenerated concentrated brine, and the third pipeline is communicated with the first pipeline and the second pipeline and used for supplying dissolved salt solution mixed by the water and the regenerated concentrated brine.
In some embodiments, the obtaining module 701 is further configured to obtain a first initial flow value of the first pipeline, and the control apparatus further includes: an initialization module 703 is configured to control the pump body to operate at an initial operating efficiency ratio based on the first initial flow value, so that the flow value of the second pipeline is a second initial flow value.
In some embodiments, the initialization module 703 controls the pump body on the second pipeline to operate at an initial operating efficiency ratio based on the first initial flow value, including:
determining the second initial flow value based on the first initial flow value, the set concentration value of the regenerated concentrated brine and the target concentration value of the dissolved salt solution;
determining the initial working efficiency ratio based on the second initial flow value and a set conversion relation;
controlling the pump body to operate at the initial operating efficiency ratio;
wherein the set conversion relationship is a mapping relationship between the operating efficiency ratio and a flow value of the second pipeline.
In some embodiments, the control module 702 is further configured to, prior to adjusting the operating efficiency ratio of the pump body of the second circuit based on the current flow value:
determining that the sum of the first initial flow value and the second initial flow value is matched with the current flow value, and operating in a standard salt absorption state;
adjusting the operating efficiency ratio of the pump body based on the current flow value includes:
and under the standard salt absorption state, adjusting the working efficiency ratio of the pump body based on the current flow value, the set concentration value of the regenerated concentrated salt solution and the target concentration value of the salt solution, so that the actual concentration value of the salt solution is matched with the target concentration value.
In some embodiments, the control module 702 is further configured to:
entering a self-checking state based on a set condition;
and under the self-checking state, generating a detection result based on the variation of the working efficiency ratio and the variation of the current flow value, wherein the detection result indicates the depletion state of the regenerated concentrated brine.
In some embodiments, the control module 702 generates the detection result based on the variation of the operating efficiency ratio and the variation of the current flow rate value, including:
adjusting the pump body to respectively operate at a first set working efficiency ratio and a second set working efficiency ratio;
acquiring a first current flow value of the third pipeline corresponding to the first set working efficiency ratio and a second current flow value corresponding to the second set working efficiency ratio;
generating the detection result based on a matching result of whether the difference value between the first current flow value and the second current flow value is matched with a first set flow threshold value;
wherein the first set flow threshold is determined based on a flow variation amount of the third line corresponding to the first set operating efficiency ratio and the second set operating efficiency ratio.
In some embodiments, the control module 702 generates the detection result based on the variation of the operating efficiency ratio and the variation of the current flow rate value, including:
controlling the pump body to dynamically adjust the working efficiency ratio based on the set adjustment amplitude;
acquiring the flow variation of the third pipeline corresponding to at least one dynamic adjustment;
generating the detection result based on a matching result of whether the flow variation is matched with a second set flow threshold;
wherein the second set flow threshold is determined based on an amount of flow change of the third line corresponding to the set modulation amplitude.
In some embodiments, the generating the detection result comprises:
if the matching result is yes, generating a first detection result indicating the state that the regenerated concentrated brine is not exhausted;
and if the matching result is negative, generating a second detection result, indicating the exhausted state of the regenerated concentrated salt solution or the existence of pipeline faults.
In some embodiments, the control module 702 is further configured to:
based on the first detection result, switching to the standard salt absorption state for operation;
and controlling the pump body to stop rotating and/or outputting prompt information based on the second detection result.
In some embodiments, the control module 702 enters the self-test state based on a set condition, including at least one of:
based on the current flow value, before the working efficiency ratio of the pump body is adjusted, if the sum of the first initial flow value and the second initial flow value is determined not to be matched with the current flow value, entering a self-checking state;
if the variable quantity of the current flow value is larger than a set variable threshold value, entering a self-checking state;
and if the continuous operation time of the standard salt absorption state reaches the set interval time, entering a self-checking state.
In actual application, the obtaining module 701, the control module 702 and the initialization module 703 may be implemented by a processor of the control device. Of course, the processor needs to run a computer program in memory to implement its functions.
It should be noted that: the control device for soft water resin regeneration provided in the above embodiment is only exemplified by the division of the above program modules when performing the control of soft water resin regeneration, and in practical applications, the above processing distribution can be completed by different program modules according to needs, that is, the internal structure of the device is divided into different program modules to complete all or part of the above described processing. In addition, the control device for the regeneration of the soft water resin provided by the above embodiment and the embodiment of the control method for the regeneration of the soft water resin belong to the same concept, and the specific implementation process thereof is described in the embodiment of the method for details, which is not described herein again.
Based on the hardware implementation of the program module, and in order to implement the method of the embodiment of the present application, the embodiment of the present application further provides a control device for soft water resin regeneration. Fig. 8 shows only an exemplary structure of the control apparatus, not a whole structure, and a part or the whole structure shown in fig. 8 may be implemented as necessary.
As shown in fig. 8, a control apparatus 800 provided in an embodiment of the present application includes: at least one processor 801, memory 802, and a user interface 803. The various components in the control device 800 are coupled together by a bus system 804. It is understood that the bus system 804 is used to enable communications among the components. The bus system 804 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 804 in FIG. 8.
The user interface 803 may include, among other things, a display, a keyboard, a mouse, a trackball, a click wheel, a key, a button, a touch pad, or a touch screen.
The memory 802 in the embodiments of the present application is used to store various types of data to support the operation of the control device. Examples of such data include: any computer program for operating on a control device.
The control method of the control apparatus disclosed in the embodiment of the present application may be applied to the processor 801 or implemented by the processor 801. The processor 801 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the control method of the control device may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 801. The Processor 801 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The processor 801 may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the memory 802, and the processor 801 reads information in the memory 802, and completes the steps of the control method of the control device provided in the embodiment of the present application in combination with hardware thereof.
In an exemplary embodiment, the control Device may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, programmable Logic Devices (PLDs), complex Programmable Logic Devices (CPLDs), field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the aforementioned methods.
It will be appreciated that the memory 802 can be either volatile memory or nonvolatile memory, and can include both volatile and nonvolatile memory. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a magnetic random access Memory (Flash Memory), a magnetic surface Memory, an optical Disc, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), synchronous Static Random Access Memory (SSRAM), dynamic Random Access Memory (DRAM), synchronous Dynamic Random Access Memory (SDRAM), double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (ESDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), synchronous Dynamic Random Access Memory (SLDRAM), direct Memory (DRmb Access), and Random Access Memory (DRAM). The memories described in the embodiments of the present application are intended to comprise, without being limited to, these and any other suitable types of memory.
In an exemplary embodiment, the present application further provides a water softener, including: the water softener comprises a water softener and a control device, wherein the water softener comprises a first pipeline for supplying water, a second pipeline for supplying regenerated concentrated brine and a third pipeline communicated with the first pipeline and the second pipeline, the third pipeline is used for supplying dissolved salt solution after the water and the regenerated concentrated brine are mixed, a pump body is arranged on the second pipeline, a flowmeter is arranged on the third pipeline, and the control device further comprises the control device. It is understood that the water softener of the embodiment of the present application can realize the control of the regeneration of the soft water resin based on the foregoing control method, and specific reference is made to the foregoing description, which is not described herein again.
In an exemplary embodiment, the present application further provides a storage medium, that is, a computer storage medium, which may be a computer readable storage medium, for example, a memory 802 storing a computer program, where the computer program is executable by a processor 801 of a control device to complete the steps described in the method of the present application. The computer readable storage medium may be a ROM, PROM, EPROM, EEPROM, flash Memory, magnetic surface Memory, optical disk, or CD-ROM, among others.
It should be noted that: "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The technical means described in the embodiments of the present application may be arbitrarily combined without conflict.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (14)
1. A control method for regeneration of soft water resin is characterized by comprising the following steps:
acquiring a current flow value of a third pipeline after the first pipeline and the second pipeline are both started;
based on the current flow value, adjusting the working efficiency ratio of the pump body of the second pipeline;
the first pipeline is used for supplying water, the second pipeline is used for supplying regenerated concentrated brine, and the third pipeline is communicated with the first pipeline and the second pipeline and used for supplying dissolved salt solution mixed by the water and the regenerated concentrated brine.
2. The method of claim 1, wherein the obtaining the current flow value for the third circuit after activation of both the first and second circuits further comprises:
acquiring a first initial flow value of the first pipeline;
and controlling the pump body to operate at an initial working efficiency ratio based on the first initial flow value, so that the flow value of the second pipeline is a second initial flow value.
3. The method of claim 2, wherein said controlling the pump body to operate at an initial operating efficiency ratio based on the first initial flow value comprises:
determining the second initial flow value based on the first initial flow value, the set concentration value of the regenerated concentrated salt solution and the target concentration value of the salt solution;
determining the initial working efficiency ratio based on the second initial flow value and a set conversion relation;
controlling the pump body to operate at the initial operating efficiency ratio;
wherein the set conversion relationship is a mapping relationship between the operating efficiency ratio and a flow value of the second pipeline.
4. The method of claim 2, wherein prior to said adjusting an operating efficiency ratio of a pump body of said second circuit based on said current flow value, said method further comprises:
determining that the sum of the first initial flow value and the second initial flow value is matched with the current flow value, and operating in a standard salt absorption state;
the adjusting the operating efficiency ratio of the pump body of the second pipeline based on the current flow value includes:
and under the standard salt absorption state, adjusting the working efficiency ratio of the pump body based on the current flow value, the set concentration value of the regenerated concentrated salt solution and the target concentration value of the salt solution, so that the actual concentration value of the salt solution is matched with the target concentration value.
5. The method of claim 4, further comprising:
entering a self-checking state based on a set condition;
and under the self-checking state, generating a detection result based on the variation of the working efficiency ratio and the variation of the current flow value, wherein the detection result indicates the depletion state of the regenerated concentrated brine.
6. The method of claim 5, wherein generating a detection result based on the amount of change in the operating efficiency ratio and the amount of change in the current flow value comprises:
adjusting the pump body to respectively operate at a first set working efficiency ratio and a second set working efficiency ratio;
acquiring a first current flow value of the third pipeline corresponding to the first set working efficiency ratio and a second current flow value corresponding to the second set working efficiency ratio;
generating the detection result based on a matching result of whether the difference value between the first current flow value and the second current flow value is matched with a first set flow threshold value;
wherein the first set flow threshold is determined based on a flow variation amount of the third line corresponding to the first set operating efficiency ratio and the second set operating efficiency ratio.
7. The method of claim 5, wherein generating a detection result based on the amount of change in the operating efficiency ratio and the amount of change in the current flow value comprises:
controlling the pump body to dynamically adjust the working efficiency ratio based on the set adjustment amplitude;
acquiring the flow variation of the third pipeline corresponding to at least one dynamic adjustment;
generating the detection result based on a matching result of whether the flow variation is matched with a second set flow threshold;
wherein the second set flow threshold is determined based on an amount of flow change of the third line corresponding to the set modulation amplitude.
8. The method of claim 6 or 7, wherein the generating the detection result comprises:
if the matching result is yes, generating a first detection result indicating the state that the regenerated concentrated brine is not exhausted;
and if the matching result is negative, generating a second detection result, indicating the exhausted state of the regenerated concentrated salt solution or the existence of pipeline faults.
9. The method of claim 8, further comprising:
based on the first detection result, switching to the standard salt absorption state for operation;
and controlling the pump body to stop rotating and/or outputting prompt information based on the second detection result.
10. The method of claim 5, wherein entering the self-test state based on a set condition comprises at least one of:
based on the current flow value, before the working efficiency ratio of the pump body is adjusted, if the sum of the first initial flow value and the second initial flow value is determined not to be matched with the current flow value, entering a self-checking state;
if the variable quantity of the current flow value is larger than a set variable threshold value, entering a self-checking state;
and if the continuous operation time of the standard salt absorption state reaches the set interval time, entering a self-checking state.
11. A control device for regeneration of soft water resin, comprising:
the acquisition module is used for acquiring the current flow value of the third pipeline after the first pipeline and the second pipeline are both started;
the control module is used for adjusting the working efficiency ratio of the pump body of the second pipeline based on the current flow value;
the first pipeline is used for supplying water, the second pipeline is used for supplying regenerated concentrated brine, and the third pipeline is communicated with the first pipeline and the second pipeline and is used for supplying dissolved salt solution obtained by mixing the water and the regenerated concentrated brine.
12. A control apparatus for regeneration of soft water resin, comprising: a processor and a memory for storing a computer program capable of running on the processor, wherein,
the processor, when executing the computer program, is adapted to perform the steps of the method of any of claims 1 to 10.
13. A water softener, comprising: the water softener comprises a first pipeline for supplying water, a second pipeline for supplying regenerated concentrated brine and a third pipeline communicated with the first pipeline and the second pipeline, wherein the third pipeline is used for supplying dissolved salt solution obtained by mixing the water and the regenerated concentrated brine, a pump body is arranged on the second pipeline, a flow meter is arranged on the third pipeline, and the water softener further comprises the control device according to claim 12.
14. A storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the method of any one of claims 1 to 10.
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| CN202211550118.2A CN115888855A (en) | 2022-12-05 | 2022-12-05 | Method, device, equipment and storage medium for controlling regeneration of soft water resin |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115739210A (en) * | 2022-12-05 | 2023-03-07 | 广东美的白色家电技术创新中心有限公司 | Method, device, equipment and storage medium for controlling regeneration of soft water resin |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115739210A (en) * | 2022-12-05 | 2023-03-07 | 广东美的白色家电技术创新中心有限公司 | Method, device, equipment and storage medium for controlling regeneration of soft water resin |
| CN115739210B (en) * | 2022-12-05 | 2024-04-09 | 广东美的白色家电技术创新中心有限公司 | Soft water resin regeneration control method, soft water resin regeneration control device, soft water resin regeneration control equipment and storage medium |
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