Water inlet and outlet integrated combination system of rainwater storage pond based on water level signal of water accumulation point

By introducing a water level signal control system for the accumulation point into the rainwater storage tank, the problems of error and complexity in the opening time of the rainwater storage tank and the design of the inlet and outlet pipes have been solved. This has enabled a precise and efficient integrated inlet and outlet system, improving the efficiency and ease of construction of the rainwater storage tank.

CN223922369UActive Publication Date: 2026-02-17SHANGHAI PUDONG ENG CONSTR MANAGEMENT CO LTD
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Patent Information

Application Number
CN202520906160.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-09
Publication Date
2026-02-17
Estimated Expiration
2035-05-09

AI Technical Summary

Technical Problem

Existing rainwater storage tanks suffer from errors and complexities in their opening time control and inlet/outlet pipe design, resulting in low efficiency and high construction difficulty.

Method used

A control system based on the water level signal of the water accumulation point is adopted. Through the first and second water level gauges, the control valve of the storage tank and the water pump, combined with the PLC programmable controller, the precise opening of the rainwater storage tank and the reasonable reuse of the inlet and outlet water pipes can be realized.

Benefits of technology

It enables precise opening of rainwater storage tanks and intelligent control of inlet and outlet pipes, improving efficiency and ease of construction, and reducing resource waste and construction costs.

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Abstract

The utility model discloses a rainwater storage pond water inlet and outlet integrated combination system based on water level signals of a water accumulation point. The rainwater storage pond water inlet and outlet integrated combination system comprises a first water level gauge arranged at the water accumulation point and a storage pond connected with a municipal rainwater pipe network through a water inlet and outlet pipeline. The water inlet well on one side of the storage pond is connected with a water inlet and outlet pipeline to temporarily store incoming water; a second water level gauge, a water pump and a drainage pipe which is connected with the water pump and drains water to the water inlet well from the upper part of the water inlet well are arranged in the storage pond; the storage pond and the water inlet well are in control communication through a storage pond control valve; the first water level gauge, the second water level gauge, the storage pond control valve and the water pump are all connected with the control device; the control device controls opening and closing of the storage pond control valve and starting and stopping of the water pump according to information collected by the first water level gauge and the second water level gauge. The rainwater storage pond is accurately opened, reasonable reuse and intelligent control of water inlet and outlet pipes are achieved, and an accurate, efficient and compact water inlet and outlet system is provided.
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Description

Technical Field

[0001] This utility model relates to the field of rainwater regulation and storage technology, and in particular to an integrated system for the inlet and outlet of a rainwater regulation and storage tank based on the water level signal of the water accumulation point. Background Technology

[0002] Stormwater storage tanks play a crucial role in urban drainage systems as essential infrastructure for mitigating peak stormwater runoff and reducing surface waterlogging. By temporarily storing peak stormwater flow and slowly discharging it as the flow decreases, stormwater storage tanks effectively reduce the instantaneous load on the drainage system and optimize drainage scheduling between different areas. However, in actual construction and operation, controlling the activation time of stormwater storage tanks and designing inlet and outlet pipes still face numerous technical challenges, requiring innovative solutions.

[0003] The timing of opening stormwater storage tanks is crucial. Opening them prematurely occupies their storage capacity, preventing them from reaching their maximum effectiveness during critical flooding periods. Due to limited urban land, stormwater storage tanks are often located a considerable distance from flooding points. This means the water level in the stormwater pipes before the tank may not accurately reflect the flooding situation at the location of the flooding point. While a level gauge is typically installed at the tank's inlet pipe to theoretically calculate the water level and control the tank's opening, this method is prone to error, preventing the stormwater storage tank from reaching its maximum effectiveness or even causing it to malfunction.

[0004] Furthermore, traditional rainwater storage tanks typically have inlet and outlet pipes that are directly connected to the existing main rainwater pipes, and these pipes are large in diameter and buried deep, significantly increasing construction difficulty. On one hand, installing large-diameter pipes requires complex support and excavation techniques, increasing project costs and potentially interfering with the surrounding environment and underground pipelines. On the other hand, deep-buried pipelines carry higher construction risks, especially in areas with complex geological conditions or high groundwater levels, easily leading to problems such as collapses and leaks. Therefore, having two separate systems for inlet and outlet pipes not only occupies more space but also increases the complexity of construction and maintenance.

[0005] In summary, how to control the opening time of rainwater storage tanks, realize the rational reuse of inlet and outlet pipes, and achieve intelligent control, and provide a precise, efficient, and compact integrated inlet and outlet water system, has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0006] In view of the above-mentioned deficiencies of the prior art, this utility model provides an integrated inlet and outlet water combination system for rainwater storage tanks based on the water level signal of the water accumulation point. The purpose is to achieve precise opening of the rainwater storage tank, reasonable reuse of inlet and outlet water pipes, and intelligent control, providing a precise, efficient, and compact integrated inlet and outlet water combination system.

[0007] To achieve the above objectives, this utility model discloses an integrated system for the inlet and outlet of a rainwater storage tank based on the water level signal at the water accumulation point, including a first water level gauge installed at the water accumulation point and a storage tank connected to the municipal rainwater pipe network through inlet and outlet pipes.

[0008] The inlet well on one side of the regulating reservoir is connected to the inlet and outlet water pipes to temporarily store incoming water;

[0009] The regulating reservoir is equipped with a second water level gauge, a water pump, and a drain pipe connected to the water pump, which drains water from the top of the inlet well to the inlet well.

[0010] The regulating reservoir and the inlet well are connected by a regulating reservoir control valve;

[0011] The first water level gauge, the second water level gauge, the regulating tank control valve, and the water pump are all connected to the control device;

[0012] The control device controls the opening and closing of the control valve of the storage tank and the start and stop of the water pump based on the information collected by the first water level gauge and the second water level gauge.

[0013] Preferably, the control device is a PLC programmable controller.

[0014] Preferably, the control device is installed on the ground above the storage tank or inside the equipment room of the storage tank.

[0015] Preferably, the inlet and outlet water pipes are connected to the rainwater inspection wells in the municipal rainwater pipe network.

[0016] Preferably, the first water level gauge is a radar level gauge, and the second water level gauge is an ultrasonic level gauge.

[0017] The beneficial effects of this utility model are:

[0018] This utility model enables precise opening of rainwater storage tanks, reasonable reuse of inlet and outlet pipes, and intelligent control, providing a precise, efficient, and compact integrated inlet and outlet water system.

[0019] This invention enables precise opening of rainwater storage tanks, solving the problem that installing a level gauge at the inlet pipe of the storage tank cannot accurately reflect the water accumulation at the water accumulation point, and cannot precisely control the opening of the storage tank, thus preventing the rainwater storage tank from achieving its maximum benefit or even causing the rainwater storage tank to fail.

[0020] Furthermore, this invention achieves rational reuse and intelligent control of inlet and outlet pipes, solving the problem of separate inlet and outlet systems for stormwater storage tanks, which not only occupies more space but also increases the complexity of construction and maintenance. This technology is applicable to various types of stormwater storage tanks and has broad application potential and practical value.

[0021] The following will further explain the concept, specific structure and technical effects of this utility model in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of this utility model. Attached Figure Description

[0022] Figure 1 A schematic diagram of an embodiment of the present invention is shown. Detailed Implementation

[0023] Example

[0024] like Figure 1 As shown, the integrated system of rainwater storage tank inlet and outlet based on the water level signal of the water accumulation point includes a first water level gauge 4 installed at the water accumulation point, and a storage tank 5 connected to the municipal rainwater pipe network 2 through the inlet and outlet pipes 1.

[0025] The inlet well 3 on one side of the regulating reservoir 5 is connected to the inlet and outlet water pipes 1 to temporarily store the incoming water;

[0026] The regulating reservoir 5 is equipped with a second water level gauge 6, a water pump 7, and a drain pipe 8 connected to the water pump 7 and draining water from the top of the inlet well 3 to the inlet well 3.

[0027] The regulating reservoir 5 and the inlet well 3 are connected by the regulating reservoir control valve 9;

[0028] The first water level gauge 4, the second water level gauge 6, the regulating tank control valve 9, and the water pump 7 are all connected to the control device 10.

[0029] The control device 10 controls the opening and closing of the storage tank control valve 9 and the start and stop of the water pump 7 based on the information collected by the first water level gauge 4 and the second water level gauge 6.

[0030] This utility model enables precise opening of the water storage tank, reuse of inlet and outlet pipes, and intelligent management and control.

[0031] This utility model includes a control device 10 connected to a first water level gauge 4, a second water level gauge 6, a storage tank control valve 9, and a water pump 7. The control device 10 controls the opening and closing of the storage tank control valve 9 and the start and stop of the water pump 7 based on the information collected by the first water level gauge 4 and the second water level gauge 6. The inlet and outlet water pipes 1 connected to the municipal rainwater pipe network 2 are used as the core water conveyance channels, and the storage tank control valve 9 is installed in the inlet well 3.

[0032] In the early stage of rainfall, when the first water level gauge 4 detects water accumulation on the ground and reaches the set depth, the control device 10 opens the storage tank control valve 9, allowing rainwater to be quickly injected into the storage tank 5 through the inlet and outlet pipes 1 and the inlet well 3, so as to accurately transmit signals after water accumulation at the water accumulation point and open the storage tank 5 through the control device 10.

[0033] After the flood peak recedes, the control device 10 switches to drainage mode, the storage tank control valve 9 remains open, and the stored water is discharged in reverse through the inlet and outlet water pipes 1 to maximize the utilization rate of the inlet and outlet water pipes 1.

[0034] In response to the situation where the water level in the storage tank 5 is lower than that in the municipal stormwater pipe network 2, a water pump 7 and a drainage pipe 8 are used to discharge the water in the storage tank 5 to the inlet well 3.

[0035] This invention uses a radar water level gauge 4 to accurately monitor the surface water and its thickness, and transmits the signal to the control device 10 to precisely open the stormwater storage tank control valve 9. This avoids the problem that inaccurate water level signals can lead to inaccurate control of the stormwater storage tank opening, which would prevent the stormwater storage tank from achieving its maximum benefits or even cause it to fail.

[0036] This utility model uses a control device 10 to control the opening and closing of the storage tank control valve 9 and the start and stop of the water pump 7 based on the information collected by the first water level gauge 4 and the second water level gauge 6. This allows the inlet and outlet water to be flexibly switched in the same inlet and outlet water pipe 1, thereby avoiding the waste of resources and construction complexity caused by setting up two separate drainage systems.

[0037] Furthermore, this invention can be integrated with intelligent drainage systems to further enhance the flood control and drainage capabilities of rainwater storage tanks through real-time monitoring and control. This technology is applicable to all types of rainwater storage tanks and has broad application potential and practical value.

[0038] In some embodiments, the control device 10 is a PLC programmable controller.

[0039] In some embodiments, the control device 10 is installed on the ground above the storage tank 5 or inside the equipment room of the storage tank 5.

[0040] In some embodiments, the inlet and outlet water pipes 1 are connected to the rainwater inspection wells 21 in the municipal rainwater pipe network 2.

[0041] In some embodiments, the first water level gauge 4 is a radar level gauge, and the second water level gauge 6 is an ultrasonic level gauge.

[0042] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

[0043] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. An integrated inlet and outlet system for rainwater storage tanks based on water level signals at water accumulation points; characterized in that, It includes a first water level gauge (4) installed at the water accumulation point, and a storage tank (5) connected to the municipal stormwater pipe network (2) through inlet and outlet pipes (1); The inlet well (3) on one side of the regulating reservoir (5) is connected to the inlet and outlet water pipes (1) to temporarily store incoming water; The regulating reservoir (5) is equipped with a second water level gauge (6), a water pump (7), and a drain pipe (8) connected to the water pump (7) and draining water from the top of the inlet well (3) to the inlet well (3). The regulating reservoir (5) and the inlet well (3) are connected by a regulating reservoir control valve (9); The first water level gauge (4), the second water level gauge (6), the regulating tank control valve (9) and the water pump (7) are all connected to the control device (10); The control device (10) controls the opening and closing of the storage tank control valve (9) and the start and stop of the water pump (7) based on the information collected by the first water level gauge (4) and the second water level gauge (6).

2. The integrated inlet and outlet system for rainwater storage tanks based on water level signals at water accumulation points according to claim 1, characterized in that, The control device (10) is a PLC programmable controller.

3. The integrated inlet and outlet system for rainwater storage tanks based on water level signals at water accumulation points according to claim 1, characterized in that, The control device (10) is installed on the ground above the storage tank (5) or in the equipment room of the storage tank (5).

4. The integrated inlet and outlet system for rainwater storage tanks based on water level signals at water accumulation points according to claim 1, characterized in that, The inlet and outlet water pipes (1) are connected to the rainwater inspection wells (21) in the municipal rainwater pipe network (2).

5. The integrated inlet and outlet system for rainwater storage tanks based on water level signals at water accumulation points according to claim 1, characterized in that, The first water level gauge (4) is a radar level gauge, and the second water level gauge (6) is an ultrasonic level gauge.