CN115268518A - Secondary water supply inflow and main pipe network balancing method and system - Google Patents
Secondary water supply inflow and main pipe network balancing method and system Download PDFInfo
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- CN115268518A CN115268518A CN202210679102.5A CN202210679102A CN115268518A CN 115268518 A CN115268518 A CN 115268518A CN 202210679102 A CN202210679102 A CN 202210679102A CN 115268518 A CN115268518 A CN 115268518A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The invention provides a method and a system for balancing secondary water supply and inflow with a main pipe network, wherein the method comprises the following steps: acquiring a pressure value of a water inlet pipe of a secondary water supply tank; comparing the pressure value with a pressure threshold value, and if the pressure value is greater than the pressure threshold value, sending an opening signal to a water inlet valve of a secondary water supply tank; if the pressure value is smaller than the pressure threshold value, sending a closing signal to the water inlet valve; the pressure threshold value and the water demand of the user are in negative correlation change. This openly can be according to user's demand water yield and secondary water supply tank liquid level regulation pressure threshold and then control the inflow and be responsible for the balance of net, around user's water consumption peak, reduce the deviation of being responsible for net output and actual demand water yield.
Description
Technical Field
The disclosure relates to the technical field of secondary water supply, in particular to a method and a system for balancing secondary water supply inflow and a main pipe network.
Background
The existing water supply system can not be controlled and allocated regionally and intelligently, the secondary water supply requirements of all the cells can not be met simultaneously, and the problem that how the water supply of the main network and the secondary water supply of all the cells reach balance is commonly solved by water plants and secondary water supply equipment; in order to solve the problems, the prior art monitors the flow and the pressure of a main pipe network in real time, adjusts the water supply quantity of a municipal pipe network according to the change of the flow and the pressure of the main pipe network, and ensures that the main pipe network does not generate negative pressure to achieve the purpose of balance. However, this way of adjusting the water supply to the main network can deviate from the actual demand before and after the peak of water consumption by the user.
Disclosure of Invention
The invention provides a method and a system for balancing secondary water supply inflow and a main pipe network, which can reduce deviation between the water supply amount of the main pipe network and the actual demand amount before and after a user water consumption peak.
In order to solve the technical problem, the present disclosure provides the following technical solutions:
as an aspect of the embodiments of the present disclosure, there is provided a method for balancing secondary water supply and inflow with a main pipe network, including the steps of:
acquiring a pressure value of a water inlet pipe of a secondary water supply tank;
comparing the pressure value with a pressure threshold value, and if the pressure value is greater than the pressure threshold value, sending an opening signal to a water inlet valve of a secondary water supply tank; if the pressure value is smaller than the pressure threshold value, a closing signal is sent to the water inlet valve; the pressure threshold varies inversely with the amount of water demanded by the user.
Optionally, the negative correlation change is: reducing the pressure threshold value along with the increase of the water demand of the user; the pressure threshold is raised as the amount of water demanded by the user decreases.
Optionally, the user required water amount is predicted by statistical user historical water use data.
Optionally, the method further comprises the steps of:
acquiring a liquid level value of a secondary water supply tank;
if the liquid level value is larger than the highest liquid level value, sending a closing signal to the water inlet valve; and if the liquid level value is lower than the lowest liquid level value, sending an opening signal to the water inlet valve.
Optionally, the method further comprises the following steps:
acquiring the water quantity required by a historical user;
judging whether the current period is a water consumption low peak period or a water consumption high peak period according to the historical water demand of the user; if the water consumption peak section is the water consumption peak section, the pressure threshold value is increased; and if the water consumption peak section exists, reducing the pressure threshold value.
As another aspect of the embodiments of the present disclosure, there is also provided a secondary water supply and inflow and main pipe network balancing system, including:
the pressure sensor is used for acquiring the pressure value of the water inlet pipe of the secondary water supply tank;
the controller is used for comparing the pressure value with a pressure threshold value, and if the pressure value is greater than the pressure threshold value, sending an opening signal to a water inlet valve of the secondary water supply tank; if the pressure value is smaller than the pressure threshold value, a closing signal is sent to the water inlet valve; the pressure threshold varies inversely with the amount of water demanded by the user.
Optionally, the inlet valve is a solenoid valve.
Optionally, the method further comprises: the liquid level sensor is used for acquiring the liquid level value of the secondary water supply tank, and the controller realizes the following functions: if the liquid level value is larger than the highest liquid level value, a closing signal is sent to the water inlet valve; and if the liquid level value is lower than the lowest liquid level value, sending an opening signal to the water inlet valve.
Optionally, the negative correlation change between the pressure threshold and the water demand of the user is specifically: acquiring a historical user water demand value, and judging whether the current period is a water consumption low peak section or a water consumption high peak section according to the historical user water demand; if the water consumption peak section is the water consumption peak section, the pressure threshold value is increased; and if the water consumption peak section exists, reducing the pressure threshold value.
The beneficial effects of this disclosure are: according to user's demand water yield and secondary water supply tank liquid level regulation pressure threshold and then control the balance of inflow and the network of being responsible for, around user's water consumption peak, reduce the deviation of being responsible for network water supply and actual demand water yield.
Drawings
FIG. 1 is a flow chart schematically illustrating the steps of the present disclosure for controlling a water inlet valve via a pressure sensor;
FIG. 2 is a flow chart schematically illustrating the steps of the present disclosure for controlling a fill valve via a level sensor;
fig. 3 schematically shows a system block diagram of the present disclosure.
Detailed Description
The technical solutions in the disclosed embodiments will be described clearly and completely with reference to the accompanying drawings in the disclosed embodiments, and it is obvious that the described embodiments disclose only some embodiments, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the disclosed embodiments without making any creative effort, shall fall within the scope of the disclosure.
Example 1
A secondary water supply inflow and main pipe network balancing method comprises the following steps:
s101, acquiring a pressure value of a water inlet pipe of a secondary water supply tank;
s201, comparing the pressure value with a pressure threshold value;
s301, judging whether the pressure value is larger than a threshold value; if the pressure value is larger than the pressure threshold value, an opening signal is sent to a water inlet valve 4 of the secondary water supply tank; if the pressure value is smaller than the pressure threshold value, a closing signal is sent to the water inlet valve 4; the pressure threshold value and the water demand of the user are in negative correlation change.
As a preferred embodiment, the negative correlation change is: reducing the pressure threshold as the water demand of the user increases; the pressure threshold is raised as the amount of water demanded by the user decreases.
In a preferred embodiment, the user required water amount is predicted by statistical user historical water use data.
In this embodiment, a main pipe network supplies water to a secondary water supply tank through a water inlet pipe, a pressure sensor 2 is arranged on the inner wall of the water inlet pipe, the pressure sensor 2 is connected with a controller 1, the controller 1 obtains a pressure value, and controls the opening or closing of a water inlet valve 4 according to whether the pressure value is greater than a pressure threshold value, for example, if the pressure value is greater than the pressure threshold value, the controller 1 sends an opening signal to the water inlet valve 4 to enable water in the main pipe network to flow into the secondary water supply tank, and this way can reduce the pressure in the main pipe network, so that a certain amount of water is stored in the secondary water supply tank; if the pressure value is smaller than the pressure threshold value, the controller 1 sends a closing signal to the water inlet valve 4 to stop supplying water to the secondary water supply tank so as to meet the requirement that the main pipe network supplies water to users normally.
The pressure threshold is not a fixed value, and the pressure threshold and the water demand of the user are in negative correlation change, namely the pressure threshold changes along with the change of the water demand of the user, for example, if the water demand of the user increases faster in a peak period, the pressure threshold is adjusted down, so that the water inlet condition becomes lower, and the water inlet amount slowly increases; if the water demand of the user is reduced faster in the peak period, the pressure threshold value is increased, the water inflow is slowly reduced, and the balance between the water inflow and the main pipe network is controlled by adjusting the pressure threshold value.
The water demand of the user is obtained according to the prediction of the historical water consumption data of the user, and because the water quantity of the secondary water supply tank needs to be adjusted for a period of time, the water inlet valve 4 needs to be closed or opened in advance according to the water consumption data of the user, so that the deviation between the water supply quantity of the main pipe network and the actual demand quantity before and after the water consumption peak of the user is reduced.
As a preferred embodiment, the method further comprises the steps of:
s10, acquiring a liquid level value of a secondary water supply tank;
s11, judging whether the liquid level value is greater than the highest liquid level value or less than the lowest liquid level value; if the liquid level value is greater than the highest liquid level value, sending a closing signal to the water inlet valve 4; if the liquid level value is lower than the lowest liquid level value, an opening signal is sent to the water inlet valve 4.
In the embodiment, the liquid level sensor 3 is arranged in the secondary water supply tank, the liquid level value is the highest priority, if the liquid level value is higher than the highest water level line, the controller 1 sends a closing signal to the water inlet valve 4, and even if the water pressure of the main pipe network is larger, the secondary water supply tank does not need to be supplied with water; if the liquid level value is lower than the lowest water level line, the controller 1 sends an opening signal to the water inlet valve 4, and the secondary water supply tank needs to feed water even if the water pressure of the main pipe network is small; and if the liquid level value is between the lowest water level line and the highest water level line, the water inlet valve 4 is judged to be opened or closed according to the pressure value.
As a preferred embodiment, before acquiring the level value of the secondary water supply tank, the method further comprises the following steps:
acquiring the water quantity required by a historical user;
judging whether the current period is a water consumption low peak period or a water consumption high peak period according to the historical water demand of the user; if the water consumption peak section is the water consumption peak section, the pressure threshold value is increased; and if the water consumption peak section exists, reducing the pressure threshold value.
Example 2
The utility model provides a secondary water supply inflow and person in charge net balanced system, includes:
the pressure sensor 2 is used for acquiring the pressure value of the water inlet pipe of the secondary water supply tank;
the controller 1 compares the pressure value with a pressure threshold value, and sends an opening signal to a water inlet valve 4 of the secondary water supply tank if the pressure value is greater than the pressure threshold value; if the pressure value is smaller than the pressure threshold value, sending a closing signal to the water inlet valve 4; the pressure threshold varies inversely with the amount of water demanded by the user.
In the embodiment, a pressure sensor 2 is arranged in the water inlet pipe, the pressure sensor 2 is connected with a controller 1, the controller 1 obtains a pressure value, and the opening or closing of the water inlet valve 4 is controlled according to the comparison between the pressure value and a pressure threshold value so as to adjust the balance between the water inflow and a main pipe network; for example, if the pressure value is greater than the pressure threshold value, an opening signal is sent to the water inlet valve 4 of the secondary water supply tank; if the pressure value is smaller than the pressure threshold value, sending a closing signal to the water inlet valve 4;
the pressure threshold is a non-fixed value, and the pressure threshold and the water demand of the user are in negative correlation change, namely the pressure threshold changes along with the change of the water demand of the user, for example, if the water demand of the user increases faster in a peak period, the pressure threshold is adjusted down, so that the water inlet condition becomes lower and the water inlet amount slowly increases; if the water demand of the user is reduced more quickly in the peak period, the pressure threshold value is increased, the water inflow is slowly reduced, and the balance between the water inflow and the main pipe network is controlled by adjusting the pressure threshold value;
the water demand of the user is obtained according to the prediction of the historical water consumption data of the user, and because the water quantity of the secondary water supply tank needs to be adjusted for a period of time, the water inlet valve 4 needs to be closed or opened in advance according to the water consumption data of the user, so that the deviation between the water supply quantity of the main pipe network and the actual demand quantity before and after the water consumption peak of the user is reduced.
In a preferred embodiment, the inlet valve 4 is a solenoid valve.
As a preferred embodiment, the method further comprises: a level sensor 3 for obtaining the level value of the secondary water supply tank, the controller 1 realizes the following functions: if the liquid level value is greater than the highest liquid level value, a closing signal is sent to the water inlet valve 4; and if the liquid level value is lower than the lowest liquid level value, sending an opening signal to the water inlet valve 4.
In the embodiment, a liquid level sensor 3 is arranged in the secondary water supply tank, the liquid level sensor 3 is connected with a controller 1, the controller 1 acquires a liquid level signal monitored by the liquid level sensor 3 to obtain a liquid level value, the liquid level value is the highest priority, the water inlet valve 4 is judged to be opened or closed by comparing the liquid level value with the lowest liquid level value and the highest liquid level value, and the water inlet valve 4 is controlled to be opened or closed according to the liquid level value to adjust the balance between the water inflow and a main pipe network; for example, if the liquid level value is higher than the highest water level line, the controller 1 sends a closing signal to the water inlet valve 4, that is, the water pressure of the main pipe network is higher, and the secondary water supply tank does not need to be filled with water; if the liquid level value is lower than the lowest water level line, the controller 1 sends an opening signal to the water inlet valve 4, namely the water pressure of the main pipe network is smaller, and the secondary water supply water tank also needs to feed water; if the liquid level value is between the lowest water level line and the highest water level line, the water inlet valve 4 is judged to be opened or closed according to the pressure value.
As a preferred embodiment, the negative correlation between the pressure threshold and the water demand of the user is specifically: acquiring a historical user water demand value, and judging whether the current period is a water consumption low peak section or a water consumption high peak section according to the historical user water demand; if the water consumption peak section is the water consumption peak section, the pressure threshold value is increased; and if the water consumption peak section exists, reducing the pressure threshold value.
Although the disclosed embodiments have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the disclosure, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A secondary water supply inflow and main pipe network balancing method is characterized by comprising the following steps:
acquiring a pressure value of a water inlet pipe of a secondary water supply tank;
comparing the pressure value with a pressure threshold value, and if the pressure value is greater than the pressure threshold value, sending an opening signal to a water inlet valve of a secondary water supply tank; if the pressure value is smaller than the pressure threshold value, a closing signal is sent to the water inlet valve; the pressure threshold value and the water demand of the user are in negative correlation change.
2. The secondary water supply inlet water amount and main pipe network balancing method according to claim 1, wherein the negative correlation change is: reducing the pressure threshold as the water demand of the user increases; the pressure threshold is raised as the amount of water demanded by the user decreases.
3. The secondary water supply inlet volume and main pipe network balancing method according to claim 2, wherein the user required water volume is predicted by statistical user historical water usage data.
4. The secondary water supply inlet flow and main pipe network balancing method according to claim 1, characterized in that the method further comprises the steps of:
acquiring a level value of a secondary water supply tank;
if the liquid level value is larger than the highest liquid level value, sending a closing signal to the water inlet valve; and if the liquid level value is lower than the lowest liquid level value, sending an opening signal to the water inlet valve.
5. The secondary water supply inflow and main pipe network balancing method according to claim 2, further comprising the steps of:
acquiring the water quantity required by a historical user;
judging whether the current period is a water consumption low peak period or a water consumption high peak period according to the historical water demand of the user; if the water consumption peak section is the water consumption peak section, the pressure threshold value is increased; and if the water consumption peak section is the water consumption peak section, reducing the pressure threshold value.
6. The utility model provides a secondary water supply inflow and person in charge net balanced system which characterized in that includes:
the pressure sensor is used for acquiring the pressure value of the water inlet pipe of the secondary water supply tank;
the controller is used for comparing the pressure value with a pressure threshold value, and if the pressure value is greater than the pressure threshold value, sending an opening signal to a water inlet valve of the secondary water supply tank; if the pressure value is smaller than the pressure threshold value, sending a closing signal to the water inlet valve; the pressure threshold varies inversely with the amount of water demanded by the user.
7. The secondary water supply inlet water and main pipe network balance system of claim 6, wherein the inlet valve is a solenoid valve.
8. The secondary water supply inlet water and main pipe network balance system according to claim 6, further comprising: the liquid level sensor is used for acquiring the liquid level value of the secondary water supply water tank, and the controller realizes the following functions: if the liquid level value is larger than the highest liquid level value, a closing signal is sent to the water inlet valve; and if the liquid level value is lower than the lowest liquid level value, sending an opening signal to the water inlet valve.
9. The balance system for secondary water supply and water inflow and main pipe network of claim 6, wherein the negative correlation between the pressure threshold and the water demand of the user is specifically as follows: acquiring a historical user water demand value, and judging whether the current period is a water consumption low peak section or a water consumption high peak section according to the historical user water demand; if the water consumption peak section is the water consumption peak section, the pressure threshold value is increased; and if the water consumption peak section exists, reducing the pressure threshold value.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116375143A (en) * | 2023-05-12 | 2023-07-04 | 安徽臻环生态科技有限公司 | Landfill leachate treatment system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116375143A (en) * | 2023-05-12 | 2023-07-04 | 安徽臻环生态科技有限公司 | Landfill leachate treatment system and method |
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