CN210151818U - Groundwater recharge control assembly and recharge system - Google Patents
Groundwater recharge control assembly and recharge system Download PDFInfo
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- CN210151818U CN210151818U CN201920243392.2U CN201920243392U CN210151818U CN 210151818 U CN210151818 U CN 210151818U CN 201920243392 U CN201920243392 U CN 201920243392U CN 210151818 U CN210151818 U CN 210151818U
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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
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Y02A20/406—Aquifer recharge
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Abstract
An object of the utility model is to provide an groundwater recharge control assembly, it can monitor and automatically regulated recharge the water volume. Another object of the present invention is to provide an underground water recharging system, which has the above-mentioned underground water recharging control assembly. The underground water recharging control assembly comprises a recharging device for receiving the above-ground water flow and permeating the water flow into the underground water, an observation device filled with an observation water source, a water level detection device arranged in the observation device and provided with a water level detection area for detecting the observation water level and outputting a signal according to whether the observation water level enters the detection area or not, a water flow control device and a control system, wherein the observation water source is provided with an observation water level which is equal to the underground water level; the control system controls the water flow control device to switch between an opening state and a closing state according to an output signal of the water level detection device so as to adjust the observed water level into the water level detection area.
Description
Technical Field
The utility model relates to an underground water recharge system especially relates to an underground water recharge control assembly.
Background
In the construction process, a plurality of buildings are unstable in structure due to the fact that the construction age is long. In order to strengthen the protection of surrounding buildings and environment, an underground water recharging system is arranged to ensure the stability of underground water level and avoid the settlement of the surrounding bottom layer so as to ensure the safety of the surrounding buildings of the foundation pit.
Fig. 1 shows a schematic of an existing conventional recharge system having a water inlet 90, a booster pump 91, a water stop valve 92 and a recharge well 93. Water flow is pumped in from the water inlet 90 and is injected into the recharge well 93 through the booster pump 91, the water is injected into the recharge well, the underground water level around the recharge well 93 can continuously rise, and the water continuously permeates outwards from the wall of the recharge well 93 until the water level is coincided with the underground water level, so that the underground water is ensured to be at a safe water level.
However, the existing recharge systems only simply irrigate water underground, and manually monitor the booster pump to control the amount of recharge water that is fed back into the recharge well.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an groundwater recharge control assembly, it can monitor and automatically regulated recharge the water volume.
Another object of the present invention is to provide an underground water recharging system, which has the above-mentioned underground water recharging control assembly.
To achieve the foregoing object, a groundwater recharge control assembly includes:
the recharging device is arranged underground and is used for receiving the water flow on the ground and permeating the water flow into the underground water;
an observation device containing an observation water source having an observation water level that is level with the groundwater level;
the water level detection device is arranged in the observation device, is provided with a water level detection area and is used for detecting the observation water level and outputting a signal according to whether the observation water level enters the detection area or not;
a water flow control device arranged at the upstream side of the recharging device and having an open state and a closed state, wherein the water flow control device allows the ground water flow to enter the recharging device in the open state and prevents the ground water flow from entering the recharging device in the closed state; and the number of the first and second groups,
a control system;
wherein the control system controls the water flow control device to switch between the on state and the off state according to the output signal of the water level detection device so as to adjust the observed water level into the water level detection area.
In one or more embodiments, the water level detection apparatus includes:
the first water level sensing device is arranged in the observation device and at a first position which is equal to the preset upper limit of the groundwater level;
the second water level sensing device is arranged in the observation device and at a second position which is equal to the preset lower limit of the groundwater level; and the number of the first and second groups,
the signal generating device outputs signals according to the sensing states of the first water level sensing device and the second water level sensing device;
the first position and the second position respectively limit the upper limit and the lower limit of the water level detection area, and the control system controls the water flow control device to switch between the on state and the off state according to the output signal so as to adjust the observed water level into the water level detection area.
In one or more embodiments, the recharge device is a recharge well that is pre-buried, and the observation device is an observation well that is pre-buried.
In one or more embodiments, the water level detection device is a water level sensor.
In one or more embodiments, the water flow control device is a valve.
The underground water recharging system comprises an earth surface water source, a water inlet pipe and a pressurizing device, and is characterized by further comprising the underground water recharging control assembly, wherein the water inlet pipe is communicated with the earth surface water source and the recharging device, and the pressurizing device drives the earth surface water source to be introduced into the recharging device through the water inlet pipe.
In one or more embodiments, the groundwater recharge control assembly includes a plurality of recharge devices, the water inlet pipe includes a main pipe and branch pipes respectively connected to the recharge devices, a main water inlet valve is disposed in the main pipe, and the water flow control device is disposed in the branch pipes.
In one or more embodiments, the system further comprises a partial pressure water supply device, which is arranged in the branch pipeline and is provided with a flow detection unit and a flow control unit;
the flow detection unit is used for detecting the water flow in the branch pipeline, the flow control unit is used for adjusting the water flow in the branch pipeline, and the control system adjusts the flow control unit according to the output signal of the flow detection unit and the output signal of the water level detection device so as to adjust the observation water level into the water level detection area.
In one or more embodiments, a total flow detection device is provided in the main conduit.
In one or more embodiments, the groundwater recharge system further comprises an early warning device, and the control system controls the early warning device to operate according to an output signal of the water level detection device.
The beneficial effects of the utility model reside in that:
whether water flow enters the recharging device or not is controlled by the control system in the groundwater recharging system according to the output signal of the water level detection device, the recharging amount of groundwater can be automatically controlled, recharging is achieved as required, and therefore the problems that damage to the recharging device, ground uplift, groundwater stability damage and the like caused by excessive recharging are solved.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which:
FIG. 1 shows a schematic diagram of a prior art conventional recharge system;
FIG. 2 shows a schematic diagram of the structure of one embodiment of a groundwater recharge system;
FIG. 3 shows a schematic diagram of one embodiment of a groundwater recharge control assembly.
Detailed Description
The following discloses many different embodiments or examples for implementing the subject technology described. Specific examples of components and arrangements are described below to simplify the present disclosure, but these are merely examples and are not intended to limit the scope of the present disclosure. For example, if a first feature is formed over or on a second feature described later in the specification, this may include embodiments in which the first and second features are formed in direct contact, and may also include embodiments in which additional features are formed between the first and second features, such that the first and second features may not be in direct contact. Additionally, reference numerals and/or letters may be repeated among the various examples throughout this disclosure. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. Further, when a first element is described as being coupled or coupled to a second element, the description includes embodiments in which the first and second elements are directly coupled or coupled to each other, as well as embodiments in which one or more additional intervening elements are added to indirectly couple or couple the first and second elements to each other.
It should be noted that, where used, the following description of upper, lower, left, right, front, rear, top, bottom, positive, negative, clockwise, and counterclockwise are used for convenience only and do not imply any particular fixed orientation. In fact, they are used to reflect the relative position and/or orientation between the various parts of the object.
The groundwater recharge system is used for permeating the ground surface into a groundwater source, so that the stability of the groundwater level is ensured. Fig. 2 shows a schematic structural diagram of an embodiment of the groundwater recharge system, which comprises a surface water source 1, a water inlet pipe 2, a pressurizing device 3 and a groundwater recharge control module 4. The groundwater recharge control component 4 comprises a recharge device 41, the recharge device 41 is arranged underground, the surface water source 1 is communicated with the recharge device 41 through the water inlet pipe 2, water flows enter the recharge device 41 through the drainage of the water inlet pipe 2 from the surface water source 1 under the driving of the supercharging device 3, and the recharge device 41 permeates the received water flows into the groundwater.
Fig. 3 is a schematic diagram of an embodiment of the groundwater recharge control assembly 4, please refer to fig. 2 to 3 in combination, the groundwater recharge control assembly 4 further includes an observation device 42, an observation water source is contained in the observation device 42, the observation water source has an observation water level 420 equal to the groundwater level, and the current groundwater level height can be known by observing the height of the observation water level 420.
The groundwater recharge control module 4 further includes a water level detection device 43 provided in the observation device 42, having a water level detection area 430 for detecting the observed water level 420, and outputting a signal according to whether the observed water level 420 enters the water level detection area 430. A water flow control device 44 having an open state and a closed state is provided on the upstream side of the recharging device 41. When the water flow control means 44 is in the on state, the water flow is allowed to pass, so that the water flow can enter the recharging means 41 through the water inlet pipe 2; when the water flow control means 44 is in the closed state, the water flow is blocked by the water flow control means, so that the water flow in the water inlet pipe 2 cannot enter the recharging means 41.
The groundwater recharge control assembly 4 further includes a control system 45, which control system 45 may include one or more hardware processors, such as one or more combinations of microcontrollers, microprocessors (e.g., MCU chips or 51 singlechips), Reduced Instruction Set Computers (RISC), Application Specific Integrated Circuits (ASICs), application specific instruction integrated processors (ASIPs), Central Processing Units (CPUs), Graphics Processing Units (GPUs), Physical Processing Units (PPUs), microcontroller units, Digital Signal Processors (DSPs), Field Programmable Gate Arrays (FPGAs), Advanced RISC Machines (ARMs), Programmable Logic Devices (PLDs), any circuit or processor capable of performing one or more functions, and the like. The control system 45 commands the water flow control device 44 to either an on state or an off state based on the output signal of the water flow control device 44. Specifically, when the water level 420 is observed to enter the water level detection area 430, the water level detection device 43 sends a signal to the control system 45, which may be a high signal, and the control system 45 receives the signal and commands the water flow control device 44 to enter the closed state, so that the water flow is prevented from entering the recharging device 41. When the observed water level 420 is not detected in the water level detection area 430, the water level detection device 43 outputs a signal to the control system 45, where the signal may be water level data information, that is, whether water exists in the water level detection area 430, the control system 45 determines after receiving the signal, and if the received water level data information indicates that water exists in the water level detection area 430, the observed water level 420 is higher than the upper limit of the preset water level, that is, the groundwater level is also higher than the upper limit of the preset water level, at this time, the groundwater level is too high, and the control system 45 immediately commands the water flow control device 44 to enter the closed state, so that water flow is prevented from entering the recharge device 41. If the received water level data information indicates whether water flows exist in the water level detection area 430, the observed water level 420 is lower than the preset lower water level limit, and at this time, the groundwater level is also lower than the preset lower water level limit, and at this time, the groundwater level is too low, the control system 45 immediately commands the water flow control device 44 to enter the on state, and the water flows are introduced into the recharging device 41 until the water level detection device 43 detects the observed water level 420 in the water level detection area 430 again. Through the above steps, the observed water level 420 can be adjusted to be within the water level detection area 430.
The control system 45 in the groundwater recharge system controls whether water flow enters the recharge device 41 according to an output signal of the water level detection device 44, the recharge quantity of groundwater can be automatically controlled, recharge as required is achieved, and therefore the problems that damage to the recharge device, ground uplift, damage to groundwater stability and the like caused by excessive recharge are solved.
While one embodiment of a local sewer recharge system is described above, in other embodiments of a local sewer recharge system, the recharge system and recharge control assembly may have more details in many respects than the above-described embodiments, and at least some of these details may vary widely. At least some of these details and variations are described below in several embodiments.
Continuing to refer to fig. 2, in one embodiment of the recharging control assembly 4, the water level detecting device 43 comprises a first water level sensing device 431, a second water level sensing device 432 and a signal generating device 433. Wherein, the first water level sensing device 431 is disposed at a first position 434 of the observation device 42 which is level with the upper limit of the groundwater level, the second water level sensing device 432 is disposed at a second position 435 of the observation device 42 which is level with the lower limit of the groundwater level, the water level detection area 430 of the water level detection device 43 is disposed at an area between the first position 434 and the second position 435, the signal generating device 433 outputs a signal to the control system 45 according to the sensing states of the first water level sensing device 431 and the second water level sensing device 432, and the control system 45 commands the water flow control device 44 to be in an open state or a closed state according to the received signal.
Specifically, when the first water level sensing device 431 and the second water level sensing device 432 detect water flow at the first position 434 and the second position 435 respectively, at this time, the observed water level 420 is higher than the upper limit of the preset water level, that is, the groundwater level is also higher than the upper limit of the preset water level, at this time, the groundwater level is too high, the first water level sensing device 431 and the second water level sensing device 432 output high level signals to the control system 45 respectively, the control system 45 immediately commands the water flow control device 44 to enter a closed state, and water flow is prevented from entering the recharging device 41. When the first water level sensing device 431 and the second water level sensing device 432 do not detect water flow at the first position 434 and the second position 435 respectively, at this time, the observed water level 420 is lower than the preset water level lower limit, that is, the groundwater level is also lower than the preset water level lower limit, at this time, the groundwater level is too low, the first water level sensing device 431 and the second water level sensing device 432 output low level signals to the control system 45 respectively, the control system 45 immediately commands the water flow control device 44 to enter an open state, and water flow is entered into the recharging device 41. When the first water level sensor 431 does not detect water flow and the second water level sensor 432 detects water flow, the observed water level 420 is located in the water level detection area 430, that is, the groundwater level is also located in the water level detection area 430, and the groundwater level is reasonable at this time.
In one embodiment of the recharge control module 4, the recharge device 41 is a pre-buried recharge well, and the observation device 42 is a pre-buried observation well, and the recharge well is filled with an external water source to permeate into the groundwater so as to maintain the balance of the groundwater. The observation well may be a well made of plastic or concrete for observing the groundwater level or for measuring the amount of groundwater production, water quality, water temperature, etc.
In one embodiment of the recharge control assembly 4, the water level detection device 43 is a water level sensor or a water level detector capable of converting the sensed water level, water temperature into an electrical signal, which may be an ultrasonic water level gauge or a radar water level gauge.
In one embodiment of the recharge control assembly 4, the water flow control device 44 is a valve, which may be a gate valve, a stop valve, a ball valve, a plug valve, a check valve, or other control component having shut-off, regulating, diversion, overflow pressure relief functions.
Referring to fig. 1, in an embodiment of the groundwater recharge system, the groundwater recharge control assembly 4 includes a plurality of recharge devices 41, the water inlet pipe 2 includes a main pipe 20 and a plurality of branch pipes 21, one end of each of the plurality of branch pipes 21 is connected to each of the plurality of recharge devices 41, and the other end of each of the plurality of branch pipes 21 converges to the main pipe 20. And a water inlet main valve 5 is arranged in the main pipeline and is used for performing main control on water flow in the whole system. The water flow control devices 44 are respectively arranged on each branch pipeline 21, so that the control system 45 correspondingly adjusts each water flow control device 44 according to the observed water level 420 to adjust the recharging amount in each recharging device 41, thereby realizing recharging as required.
In one embodiment of the groundwater recharge system, a partial pressure water supply device 6 is further provided in the groundwater recharge system, and the partial pressure water supply device 6 is provided in the plurality of branch pipes 21. The water pressure dividing and supplying device 6 includes a flow rate detecting unit 61 for detecting the magnitude of the flow rate of the water in each branch pipe 21, and the flow rate detecting unit 61 may be a water flow meter capable of measuring the volume flow rate of the liquid. The partial pressure water supply device 6 further comprises a flow control unit 62 for adjusting the flow rate of the water flow in the branch pipe 21, the flow control unit 62 may be a flow switch capable of adjusting the flow rate of the fluid in the branch pipe, and the control system 45 adjusts the flow control unit 62 according to the output signal of the flow detection unit 61 and the output signal of the water level detection device 43. Specifically, when the control system 45 receives that the observed output water level 420 of the water level detection device 43 is lower than the lower preset water level limit, the control system 45 commands the partial pressure water supply device 6 to increase the water flow in the branch pipe 21 with the lowest flow data according to the flow data transmitted by the flow detection unit 61 so as to increase the recharging pressure, and when the control system 45 receives that the observed output water level 420 of the water level detection device 43 is higher than the upper preset water level limit, the control system 45 commands the partial pressure water supply device 6 to decrease the water flow in the branch pipe 21 with the highest flow data according to the flow data transmitted by the flow detection unit 61 so as to decrease the recharging pressure. Thereby causing the observed water level 420 to re-enter the water level detection area 430 most quickly.
In an embodiment of the groundwater recharge system, the main pipeline 20 is further provided with a total flow detection device 7 for displaying flow information of the main pipeline 20, and the groundwater recharge system is further provided with an early warning device (not shown), when the control system 45 receives a signal from the water level detection device 43 that the observed water level 420 is not in the water level detection area 430 and continues for a predetermined time, the control system 45 commands the early warning device to operate and outputs an early warning signal, so that early warning and a constructor can perform manual investigation.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, any modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention, all without departing from the content of the technical solution of the present invention, fall within the scope of protection defined by the claims of the present invention.
Claims (10)
1. An underground water recharge control assembly, comprising:
the recharging device is arranged underground and is used for receiving the water flow on the ground and permeating the water flow into the underground water;
an observation device containing an observation water source having an observation water level that is level with the groundwater level;
the water level detection device is arranged in the observation device, is provided with a water level detection area and is used for detecting the observation water level and outputting a signal according to whether the observation water level enters the detection area or not;
a water flow control device arranged at the upstream side of the recharging device and having an open state and a closed state, wherein the water flow control device allows the ground water flow to enter the recharging device in the open state and prevents the ground water flow from entering the recharging device in the closed state; and the number of the first and second groups,
a control system;
wherein the control system controls the water flow control device to switch between the on state and the off state according to the output signal of the water level detection device so as to adjust the observed water level into the water level detection area.
2. A groundwater recharge control assembly as claimed in claim 1, wherein the water level detection means comprises:
the first water level sensing device is arranged in the observation device and at a first position which is equal to the preset upper limit of the groundwater level;
the second water level sensing device is arranged in the observation device and at a second position which is equal to the preset lower limit of the groundwater level; and the number of the first and second groups,
the signal generating device outputs signals according to the sensing states of the first water level sensing device and the second water level sensing device;
the first position and the second position respectively limit the upper limit and the lower limit of the water level detection area, and the control system controls the water flow control device to be switched between the on state and the off state according to the output signal.
3. A groundwater recharge control assembly as claimed in claim 1, wherein the recharge device is a recharge well pre-buried and the observation device is an observation well pre-buried.
4. A groundwater recharge control assembly as claimed in claim 1, wherein the water level detection means is a water level sensor.
5. A groundwater recharge control assembly as claimed in claim 1, wherein the water flow control device is a valve.
6. An underground water recharging system, which comprises a surface water source, a water inlet pipe and a pressurizing device, and is characterized by further comprising the underground water recharging control assembly as claimed in any one of claims 1 to 5, wherein the water inlet pipe is communicated with the surface water source and the recharging device, and the pressurizing device drives the surface water source to be introduced into the recharging device through the water inlet pipe.
7. The groundwater recharge system as defined in claim 6, wherein the groundwater recharge control assembly comprises a plurality of recharge devices, the water inlet pipe comprises a main pipe and branch pipes connected to the recharge devices respectively, a main water inlet valve is disposed in the main pipe, and the water flow control device is disposed in the branch pipes.
8. The groundwater recharge system as claimed in claim 7, further comprising a partial pressure water supply device provided in the branch pipe and having a flow rate detection unit and a flow rate control unit;
the flow detection unit is used for detecting the water flow in the branch pipeline, the flow control unit is used for adjusting the water flow in the branch pipeline, and the control system adjusts the flow control unit according to the output signal of the flow detection unit and the output signal of the water level detection device so as to adjust the observation water level into the water level detection area.
9. Groundwater recharge system according to claim 7, characterized in that a total flow detection device is provided in the main conduit.
10. A groundwater recharge system as claimed in claim 6, further comprising a pre-warning device, wherein the control system controls the pre-warning device to operate according to the output signal of the water level detection device.
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| CN201920243392.2U CN210151818U (en) | 2019-02-26 | 2019-02-26 | Groundwater recharge control assembly and recharge system |
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| CN201920243392.2U CN210151818U (en) | 2019-02-26 | 2019-02-26 | Groundwater recharge control assembly and recharge system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483846A (en) * | 2021-06-02 | 2021-10-08 | 上海市政工程设计研究总院（集团）有限公司 | Groundwater level self-control separation system and groundwater pollution separation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113483846A (en) * | 2021-06-02 | 2021-10-08 | 上海市政工程设计研究总院（集团）有限公司 | Groundwater level self-control separation system and groundwater pollution separation system |
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