CN216198757U - Double-source drainage control system for precipitation well - Google Patents

Double-source drainage control system for precipitation well Download PDF

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CN216198757U
CN216198757U CN202122734598.5U CN202122734598U CN216198757U CN 216198757 U CN216198757 U CN 216198757U CN 202122734598 U CN202122734598 U CN 202122734598U CN 216198757 U CN216198757 U CN 216198757U
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water pump
pneumatic
water
air
pipe
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韩文明
蔡成朋
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Kunshan Wenming Refrigeration Equipment Co ltd
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Kunshan Wenming Refrigeration Equipment Co ltd
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Abstract

The utility model discloses a double-source drainage control system for a dewatering well, which comprises a pneumatic water pump, an electric water pump, a change-over switch and a plurality of PLC controllers, wherein the pneumatic water pump is connected with the electric water pump through a pipeline; each PLC controller in the plurality of PLC controllers is electrically connected with at least one transfer switch, the input end of each transfer switch in the at least one transfer switch is electrically connected with a power supply, and the output end of each transfer switch is electrically connected with a pneumatic water pump and an electric water pump; the air inlet pipe of each pneumatic water pump is communicated with the air outlet end of the air compressor through a pipeline, an electromagnetic valve is arranged in each pipeline, and each PLC is electrically connected with the electromagnetic valve in the corresponding pipeline; on one hand, the utility model can switch to the electric water pump through the change-over switch when the pneumatic water pump fails, thereby ensuring continuous drainage in the pipe well; on the other hand, when rapid drainage is required or the water accumulation amount is too large, the pneumatic water pump and the electric water pump can be operated simultaneously, so that a double-water-pump drainage mechanism is formed, and the requirement of rapid drainage is met.

Description

Double-source drainage control system for precipitation well
Technical Field
The utility model belongs to the technical field of foundation pit drainage, and particularly relates to a dual-source drainage control system for a dewatering well.
Background
In the building construction process, a foundation pit needs to be excavated, and precipitation and drainage work needs to be done while the foundation pit is excavated; tube well precipitation is a foundation pit precipitation mode commonly used, and the principle is as follows: the method comprises the steps of firstly arranging a plurality of well points around a foundation pit, enabling the diameter of each well head to be between 400 and 800mm, then placing a submersible pump into the well bottom, wherein the submersible pump needs to enable a suction pipe of the pump and the pump to be filled with liquid before starting the pump, enabling an impeller to rotate at a high speed after starting the pump, enabling the liquid to fly away from the impeller to be ejected outwards under the action of centrifugal force, enabling the speed of the ejected liquid in a diffusion chamber of a pump shell to be gradually reduced and the pressure of the ejected liquid to be gradually increased, and enabling the ejected liquid to flow out from a discharge pipe of the pump.
However, since the submersible pump has a complicated structure and needs to be immersed in water for a long time, the failure rate thereof is very high and the maintenance thereof is difficult; therefore, at present, the submersible pump is replaced by a pneumatic water pump, but at present, a plurality of pneumatic water pumps are in an independent state, when a certain pneumatic water pump breaks down, drainage in a corresponding well point cannot be realized, and once the water accumulation amount in the well point is large or the water accumulation speed exceeds the drainage speed, the problem that rapid drainage cannot be realized is caused, so that potential safety hazards are increased for construction; therefore, how to realize uninterrupted drainage and high-speed drainage in a well point becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dual-source drainage control system for a precipitation well, which aims to solve the problems that the existing pneumatic water pump cannot quickly drain water and cannot drain water when a certain pneumatic water pump fails.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a double-source drainage control system for a precipitation well, which comprises: the system comprises a pneumatic water pump, an electric water pump, a change-over switch and a plurality of PLC controllers;
each PLC controller in the plurality of PLC controllers is electrically connected with at least one transfer switch, wherein the input end of each transfer switch in the at least one transfer switch is electrically connected with a power supply, and the output end of each transfer switch is electrically connected with one pneumatic water pump and one electric water pump;
the air inlet pipe of each pneumatic water pump is communicated with the air outlet end of the air compressor through a pipeline, wherein an electromagnetic valve is arranged in each pipeline, and each PLC is electrically connected with the electromagnetic valve in the corresponding pipeline.
Based on the disclosure, the utility model is provided with a plurality of change-over switches, and each change-over switch is electrically connected with the pneumatic water pump and the electric water pump, so that when the pneumatic water pump fails, the change-over switches can be controlled by the PLC controller to perform circuit switching, and the electric water pump is switched on to operate, so that accumulated water in the pipe well is discharged by the electric water pump, and the accumulated water in the pipe well is discharged in time; meanwhile, once accumulated water in the well needs to be quickly discharged or the accumulated water speed is high, the electric water pump and the pneumatic water pump can be simultaneously connected, so that a double-water-pump drainage system is formed, and quick drainage in the well is realized; through the design, the utility model can utilize two water pumps to form a one-use one-standby drainage system in each well point, thereby realizing rapid drainage and uninterrupted drainage in the well points.
In one possible design, each pneumatic water pump comprises a water storage cavity and a water outlet pipe;
the water storage cavity is provided with two water inlets which are respectively positioned on the bottom and the side wall of the water storage cavity;
the water storage device comprises a water storage cavity, a water outlet pipe, a water inlet pipe, a water outlet pipe and a check valve, wherein the water outlet pipe is vertically arranged, one end of the water outlet pipe is located at the bottom of the water storage cavity, the other end of the water outlet pipe extends out of the water storage cavity and serves as a water outlet of a corresponding pneumatic water pump, and the check valve is arranged at each of the two water inlets and the other end of the water outlet pipe.
Based on the above disclosure, the water inlet is respectively arranged at the bottom and the side wall of the water storage cavity of each pneumatic water pump, so that the water inlet speed can be increased, the water drainage process is accelerated, and the water drainage efficiency of the whole system is improved.
In one possible design, a branch air pipe is further arranged between every two adjacent pneumatic water pumps, wherein two ends of the branch air pipe are respectively communicated with air inlet pipes of the two pneumatic water pumps, and a bidirectional control valve is arranged in the branch air pipe.
Based on the above disclosure, the air inlet pipes of two adjacent pneumatic water pumps are communicated, so that the air of one pneumatic water pump can be discharged to the other pneumatic water pump, thereby recycling the air and achieving the purpose of saving resources.
In a possible design, the air compressor further comprises an air storage tank, wherein the air inlet end of the air storage tank is communicated with the air outlet end of the air compressor, the air outlet end of the air storage tank is communicated with each pipeline through an air outlet pipe, and a pressure stabilizing valve is further arranged at the joint of the air outlet pipe and each pipeline.
Based on the above disclosure, by providing the gas storage tank, constant gas supply to each pneumatic water pump can be realized, so that gas supply errors are reduced, and the working stability of the pneumatic water pumps is ensured.
In one possible design, an air flow switch is arranged in a pipeline communicated with the air inlet pipe of each pneumatic water pump, and each PLC is electrically connected with the air flow switch in the corresponding pipeline.
Based on the above disclosure, the detection of the air flow in the pipeline can be realized by arranging the air flow switch in the pipeline, so that the air flow in the pipeline is conveniently monitored, and a data basis is provided for a subsequent automatic control system.
In a possible design, a plurality of PLC controllers are connected in parallel or in series, and when the plurality of PLC controllers are connected in parallel, each PLC controller is respectively connected with the cloud server through the network switch in a communication mode.
In one possible design, the system further comprises a liquid level sensor, wherein the liquid level sensor is arranged in the pipe well, each liquid level sensor is electrically connected with the PLC, and a liquid level signal in the corresponding pipe well is transmitted to the PLC, so that the PLC starts or closes each pneumatic water pump according to the liquid level signal.
Based on the above disclosure, by arranging the liquid level sensor, the real-time detection of the liquid level in the pipe well can be realized, so that the automatic control of the pneumatic water pump can be realized according to the liquid level, the automation degree of the whole system is improved, and the labor cost is reduced.
In one possible design, the system further comprises a pressure sensor and a power meter, wherein the pressure sensor is arranged in the air compressor, the power meter is arranged in a circuit in the dual-source drainage control system for the precipitation well, and the pressure sensor and the power meter are respectively and electrically connected with the plurality of PLC controllers.
Based on the above disclosure, the real-time monitoring of the pressure in the air compressor and the power of the whole system can be realized,
so that the staff can monitor and manage the whole system conveniently.
In one possible design, each PLC controller is further in communication connection with an intelligent terminal, wherein each intelligent terminal comprises a mobile phone and/or a monitoring computer, and when the intelligent terminal is the monitoring computer, the monitoring computer is further in communication connection with a display screen and a printer.
The beneficial effects obtained by the utility model are as follows:
(1) the utility model is provided with a plurality of change-over switches, and each change-over switch is electrically connected with the pneumatic water pump and the electric water pump, therefore, when the pneumatic water pump fails, the change-over switches can be controlled by the PLC controller to carry out circuit switching, and the electric water pump is switched on to operate, so that accumulated water in the pipe well is discharged by the electric water pump, and the accumulated water in the pipe well is discharged in time; meanwhile, once accumulated water in the well or the accumulated water speed is required to be quickly discharged, the electric water pump and the pneumatic water pump can be simultaneously switched on, so that a double-water-pump drainage system is formed, and quick drainage in the well is realized.
(2) The utility model is provided with a plurality of PLC controllers, and each PLC controller is electrically connected with at least one pneumatic water pump and an electric water pump, thereby realizing the centralized management of the water pumps, timely alarming and maintaining when a certain water pump fails, and improving the intelligence of the whole system.
(3) According to the utility model, the water inlets are respectively arranged at the bottom and the side wall of the water storage cavity of each pneumatic water pump, so that the water inlet speed can be increased, the drainage process can be accelerated, and the drainage efficiency of the whole system can be improved.
(4) According to the utility model, the air inlet pipes of two adjacent pneumatic water pumps are communicated, so that the gas of one pneumatic water pump can be discharged to the other pneumatic water pump, thereby realizing the recycling of the gas and achieving the purpose of saving resources.
(5) According to the utility model, by arranging the gas storage tank, constant gas supply to each pneumatic water pump can be realized, so that gas supply errors are reduced, and the working stability of the pneumatic water pumps is ensured.
(6) According to the utility model, the airflow switch is arranged in the pipeline, so that the detection of the airflow in the pipeline can be realized, and the automatic control of the pneumatic water pump is facilitated.
(7) According to the utility model, the liquid level sensor is arranged, so that the real-time detection of the liquid level in the pipe well can be realized, and the automatic control of the pneumatic water pump can be realized according to the liquid level, therefore, the automation degree of the whole system is improved, and the labor cost is reduced.
(8) According to the utility model, by arranging the pressure sensor and the power meter, the real-time monitoring of the pressure in the air compressor and the real-time monitoring of the power of the whole system can be realized, so that the monitoring and the management of the whole system are convenient for workers.
(9) The system is in communication connection with the mobile phone, the display screen, the monitoring computer and the printer, so that a worker can perform remote monitoring and simultaneously print related data reports, the working state of each pipe well under the control system can be visually acquired, detailed analysis can be performed by means of data, and the system has guiding significance for subsequent work.
(10) The utility model adopts a plurality of PLC controllers to control a plurality of water pumps, can start the next water pump while stopping the previous water pump, and can achieve the purpose of saving energy, thereby reducing the use cost.
Drawings
FIG. 1 is a schematic structural diagram of a dual-source drainage control system for a precipitation well, provided by the utility model;
FIG. 2 is a schematic diagram of another structure of the dual-source drainage control system for the precipitation well, provided by the utility model;
fig. 3 is a schematic structural view of the pneumatic water pump provided by the present invention.
Reference numerals: 10-an air inlet pipe; 20-a water storage cavity; 30-water outlet pipe; 40-a first water inlet; 50-a second water inlet.
Detailed Description
The utility model is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the utility model. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
Examples
As shown in fig. 1 to 3, the dual-source drainage control system for the precipitation well provided by the embodiment can be switched to the electric water pump through the change-over switch when the pneumatic water pump fails, so that continuous drainage in the pipe well is ensured; on the other hand, when rapid drainage is required or the water accumulation amount is too large, the pneumatic water pump and the electric water pump can be operated simultaneously, so that a double-water-pump drainage mechanism is formed, and the requirement of rapid drainage is met.
As shown in fig. 1, the dual-source drainage system for a precipitation well provided in the first aspect of the present embodiment may include, but is not limited to: the system comprises a pneumatic water pump, an electric water pump, a change-over switch and a plurality of PLC controllers; the connection structure of the above components is: each PLC controller in the plurality of PLC controllers is electrically connected with at least one transfer switch, wherein the input end of each transfer switch in the at least one transfer switch is electrically connected with a power supply, and the output end of each transfer switch is electrically connected with one pneumatic water pump and one electric water pump; that is, each PLC (Programmable Logic Controller ) Controller controls a pneumatic water pump and an electric water pump through a transfer switch, and each PLC Controller is electrically connected with a plurality of transfer switches, so that centralized control of a plurality of pneumatic water pumps and electric water pumps can be realized, and a fault can be found in time, thereby performing rapid maintenance.
In this embodiment, a one-to-one water draining mechanism can be formed by using a change-over switch, that is, during normal operation, the PLC controller controls the pneumatic water pump to perform water draining operation in the pipe well, and once the pneumatic water pump fails, the PLC controller can switch the pneumatic water pump to the electric water pump through the change-over switch, so that the electric water pump is used for water draining operation, and uninterrupted water draining operation in the pipe well is realized; certainly, change over switch can realize pneumatic water pump and electric water pump's simultaneous operation (for example, use double-circuit power supply change over switch), from this, when needs carry out quick drainage or the ponding speed in the pipe well is too fast, then pneumatic water pump and electric water pump of accessible PLC controller simultaneous operation to constitute two water pump operation mechanisms, reach the function of quick drainage.
Of course, in this embodiment, the air inlet pipe 10 of each pneumatic water pump is communicated with the air outlet end of the air compressor through a pipeline (for example, a main air pipe is arranged at the air outlet end of the air compressor, the main air pipe is provided with a plurality of branch pipes, and each branch pipe is used as a pipeline and is connected with the air inlet pipe of each pneumatic water pump to achieve the purpose of air supply), wherein an electromagnetic valve is arranged in each pipeline, and each PLC controller is electrically connected with the electromagnetic valve in the corresponding pipeline; therefore, the air compressor can be used for supplying air to the pneumatic water pump, and the normal work of the pneumatic water pump is guaranteed.
Referring to fig. 3, one of the specific structures of the pneumatic water pump is provided as follows:
in this embodiment, for example, each pneumatic water pump may include, but is not limited to, a water storage cavity 20 and a water outlet pipe 30, wherein the water storage cavity 20 is provided with two water inlets, and the two water inlets (i.e. the first water inlet 40 and the second water inlet 50) are respectively located at the bottom and the side wall of the water storage cavity 20, as shown in fig. 3; therefore, the water inlet speed can be increased, the drainage process is improved, and the drainage rate of the whole system is improved.
Referring to fig. 3, in the present embodiment, for example, the water outlet pipe 30 is vertically disposed, wherein one end of the water outlet pipe 30 is located at the bottom of the water storage cavity 20, and the other end of the water outlet pipe extends out of the water storage cavity 20 to serve as a water outlet of a corresponding pneumatic water pump, so as to discharge liquid in the water storage cavity.
In this embodiment, in order to prevent the liquid from flowing backwards, check valves are further respectively disposed on the two water inlets and the other end of the water outlet pipe 30.
Referring to fig. 1, in the second aspect of the present embodiment, based on the first aspect of the embodiment, further optimization is performed, and an optimization structure is as follows:
in this embodiment, a branch air pipe is further disposed between two adjacent pneumatic water pumps, wherein two ends of the branch air pipe are respectively communicated with the air inlet pipes 10 of the two pneumatic water pumps, and a bidirectional control valve is disposed in the branch air pipe; therefore, gas in one pneumatic water pump can be recycled to the other pneumatic water pump, so that the recycling of the gas is realized, and the purpose of saving resources is achieved.
Meanwhile, in order to ensure that constant gas is supplied to each pneumatic water pump, in the embodiment, a gas storage tank is further arranged, namely, a gas inlet end of the gas storage tank is communicated with a gas outlet end of the air compressor, the gas outlet end of the gas storage tank is communicated with each pipeline through a gas outlet pipe, and a pressure stabilizing valve is further arranged at the joint of the gas outlet pipe and each pipeline; therefore, constant gas supply to each pneumatic water pump can be realized, gas supply errors are reduced, and the working stability of the pneumatic water pumps is ensured.
Referring to fig. 1 and fig. 2, in the third aspect of the present embodiment, based on the first aspect and the second aspect of the present embodiment, further optimization is performed to improve the automation degree and the intelligence of the whole system.
In this embodiment, entire system still is provided with air flow switch, level sensor, pressure sensor and power meter, wherein, with all be provided with an air flow switch in the pipeline of the intake pipe intercommunication of every pneumatic water pump, of course, the air flow switch in every pipeline all is connected with the PLC controller electricity that the pipeline corresponds to realize the real-time supervision of air current in the pipeline.
Similarly, in this embodiment, level sensor sets up in the pipe shaft (be provided with a level sensor in a pipe shaft promptly), and every level sensor electricity connection PLC controller (of course, be the PLC controller electricity that corresponds with the pneumatic water pump in the pipe shaft) to with liquid level signal transmission to the PLC controller in corresponding pipe shaft, so that the PLC controller basis liquid level signal starts or closes every pneumatic water pump.
In this embodiment, a liquid level set value is set in a PLC controller of the entire system, and when the liquid level in the pipe well reaches the liquid level set value, the PLC controller controls corresponding pneumatic water pumps to start sequentially, for example, for a plurality of pneumatic water pumps controlled by one PLC controller, the start interval duration (which may be, but is not limited to, 10s, 12s, or 15s) of the pneumatic water pumps may be set, that is, after the previous pneumatic water pump is set to operate for 10s, 12s, or 15s, the next pneumatic water pump is started; when the liquid level in the pipe well is lower than the liquid level set value, the PLC controller can control the corresponding pneumatic water pumps to be sequentially shut down, and the drainage requirements of the system are met through PID regulation (PID regulation, a basic regulation mode of a control system in a classical control theory, which is a linear regulation rule with proportional, integral and differential functions).
In this embodiment, it can be understood that the liquid level sensor may also be replaced with other sensors having a function of detecting a water level, and a detected water level signal is fed back to the PLC controller, so that the PLC controller controls the start and stop of the pneumatic water pump according to the signal, so as to ensure that water in the pipe well is effectively discharged.
In this embodiment, the pressure sensor is disposed in the air compressor, and is configured to detect air pressure in the air compressor in real time; the power meter is arranged in a circuit in the dual-source drainage control system for the precipitation well and is used for detecting the voltage and the current in the system circuit in real time so as to obtain power data; certainly, the pressure sensor and the power meter are respectively and electrically connected with the plurality of PLC controllers to realize real-time uploading of air pressure data and power data; therefore, the whole system can be conveniently monitored and managed by workers.
Referring to fig. 1 and fig. 2, in the fourth aspect of the present embodiment, based on the first, second, and third aspects of the present embodiment, further optimization is performed to further improve the intelligence of the whole system.
Firstly, the connection mode of a plurality of PLC controllers is explained:
in this embodiment, for example, a plurality of PLC controllers may be connected in parallel or in series; when the plurality of PLC controllers are connected in parallel, each PLC controller is respectively connected with the cloud server through the network switch in a communication way, and the method is shown in figure 2; when the PLC controllers are connected in series, the PLC controllers may be directly connected to the cloud server in a communication manner, as shown in fig. 1.
Simultaneously, for the staff carries out the monitoring of entire system operating condition and the analysis of data, this embodiment still sets up every PLC controller communication connection intelligent terminal, and the PLC controller passes through high in the clouds server communication connection intelligent terminal promptly to realize uploading in real time of system data.
Finally, in this embodiment, the intelligent terminal includes a mobile phone and/or a monitoring computer, and when the intelligent terminal is the monitoring computer, the monitoring computer is further in communication connection with a display screen and a printer; therefore, on one hand, the current state of each pipe well, the working state of the whole system and the working state of each water pump can be monitored in real time; on the other hand, the working data of the whole system can be uploaded in real time and printed to form a paper log sheet, so that the data analysis can be conveniently carried out by workers.
Through the design, the system is in communication connection with the mobile phone, the display screen, the monitoring computer and the printer, so that a worker can print related data reports while performing remote monitoring, and therefore, the working state of each pipe well under the control system can be visually acquired, detailed analysis can be performed by means of data, and the system has guiding significance for subsequent work.
The working principle of the utility model is as follows:
before the pneumatic water pump is used, the air inlet pipe of each pneumatic water pump is connected with an air compressor or other air supply equipment.
When the pneumatic water pump is used, the pneumatic water pumps are put into a well, specifically, each pneumatic water pump corresponds to one well point, or every two pneumatic water pumps are put into the well, and the concrete structure is not limited; under the hydraulic pressure effect in the well, the check valve is opened, water in the well flows into pneumatic water pump's water storage chamber from first water inlet and second water inlet, when level sensor detected the water level and reached the liquid level setting value, PLC controller control solenoid valve switches on (the solenoid valve is provided with the on-time, for example 15s, 10s, 12s etc., specifically according to the adjustment of site work condition, do not prescribe a limit to), from intake pipe to the transport gas in the water storage chamber, along with the gas in the water storage chamber increases gradually, the atmospheric pressure of water storage intracavity portion is bigger and bigger, make the water in the water storage chamber pressed to the outlet of outlet pipe, with water to holding the chamber outside through the outlet pipe, discharge basic well then.
When water flows out of the water storage cavity, the gas fills the whole water storage cavity; the PLC controller closes the solenoid valve this moment, opens the two-way control valve on the branch road pipeline between two adjacent pneumatic water pumps simultaneously, and the gas in the gas storage chamber receives liquid extrusion and follows the reverse discharge of intake pipe this moment to in the branch road pipeline input to next pneumatic water pump between pneumatic water pump, wherein, the system can control the gas flow direction in the pneumatic water pump as required, for example: the pneumatic water pump A can flow to the pneumatic water pump B, or the pneumatic water pump A can flow to the pneumatic water pump C, and the pneumatic water pump A is specifically arranged according to the field requirement and is not limited; when the gas in the pneumatic water pump is completely discharged, the gas flow switch detects that no gas flows through the gas inlet pipe, a signal is sent to the PLC, the PLC controls the two-way control valve to be closed, and the gas enters the next pneumatic water pump to work, so that the gas can be recycled in the whole process; and when the liquid level in the well reaches the liquid level set value again, the steps are repeatedly executed, and the steps are repeated in a circulating mode, so that the pneumatic water pumps in all well points on site can be uniformly controlled.
When a certain pneumatic water pump breaks down, at the moment, the PLC controller detects that the fault occurs, the PLC controller can switch to the electric water pump through the selector switch, so that the electric water pump is operated, and liquid in the well is continuously discharged; therefore, a water drainage mechanism with one use and one preparation can be formed, so that the liquid in the pipe well can be continuously drained; of course, the pneumatic water pump may be operated when the electric water pump fails.
When need carry out quick drainage or ponding speed when too fast, this moment, pneumatic water pump and electric water pump can be operated simultaneously to the PLC controller to constitute two water pump drainage mechanism, thereby reach the requirement of quick drainage.
In this embodiment, the PLC controller may be any type of PLC controller as long as the above control function can be realized, and is not limited herein; it can be understood that the PLC controller in this embodiment mainly includes a PLC control box, a power supply, and an indicator light, and has multiple functions such as signal acquisition, conversion, processing, output, protection, malfunction alerting, and communication.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A dual-source drainage control system for a precipitation well, comprising: the system comprises a pneumatic water pump, an electric water pump, a change-over switch and a plurality of PLC controllers;
each PLC controller in the plurality of PLC controllers is electrically connected with at least one transfer switch, wherein the input end of each transfer switch in the at least one transfer switch is electrically connected with a power supply, and the output end of each transfer switch is electrically connected with one pneumatic water pump and one electric water pump;
the air inlet pipe (10) of each pneumatic water pump is communicated with the air outlet end of the air compressor through a pipeline, wherein an electromagnetic valve is arranged in each pipeline, and each PLC is electrically connected with the electromagnetic valve in the corresponding pipeline.
2. A dual source drainage control system for a precipitation well according to claim 1, wherein each pneumatic pump comprises a water storage chamber (20) and a water outlet pipe (30);
the water storage cavity (20) is provided with two water inlets which are respectively positioned on the bottom and the side wall of the water storage cavity (20);
the water outlet pipe (30) is vertically arranged, wherein one end of the water outlet pipe (30) is located at the bottom of the water storage cavity (20), the other end of the water outlet pipe extends out of the water storage cavity (20) to serve as a water outlet corresponding to the pneumatic water pump, and the two water inlets and the other end of the water outlet pipe (30) are respectively provided with a one-way valve.
3. The dual-source drainage control system for the precipitation well according to claim 1, wherein a branch air pipe is further arranged between two adjacent pneumatic water pumps, wherein two ends of the branch air pipe are respectively communicated with the air inlet pipes (10) of the two pneumatic water pumps, and a bidirectional control valve is arranged in the branch air pipe.
4. The dual-source drainage control system for the precipitation well, according to claim 1, further comprising an air storage tank, wherein an air inlet end of the air storage tank is communicated with an air outlet end of the air compressor, the air outlet end of the air storage tank is communicated with each pipeline through an air outlet pipe, and a pressure stabilizing valve is further arranged at a joint of the air outlet pipe and each pipeline.
5. The dual-source drainage control system for the precipitation well, according to claim 1, wherein a gas flow switch is arranged in a pipeline communicated with the gas inlet pipe of each pneumatic water pump, and each PLC is electrically connected with the gas flow switch in the corresponding pipeline.
6. The dual-source drainage control system for the precipitation well, according to claim 1, wherein a plurality of PLC controllers are connected in parallel or in series, and when the plurality of PLC controllers are connected in parallel, each PLC controller is respectively connected to the cloud server through the network switch in a communication manner.
7. The dual-source drainage control system for the precipitation well, according to claim 1, further comprising liquid level sensors, wherein the liquid level sensors are disposed in the pipe wells, and each liquid level sensor is electrically connected with the PLC controller, and transmits a liquid level signal in the corresponding pipe well to the PLC controller, so that the PLC controller starts or stops each pneumatic water pump according to the liquid level signal.
8. The dual-source drainage control system for the precipitation well, according to claim 1, further comprising a pressure sensor and a power meter, wherein the pressure sensor is disposed in the air compressor, the power meter is disposed in a circuit in the dual-source drainage control system for the precipitation well, and the pressure sensor and the power meter are respectively electrically connected to the plurality of PLC controllers.
9. The dual-source drainage control system for the precipitation well, according to claim 1, wherein each PLC controller is further communicatively connected with an intelligent terminal, wherein the intelligent terminal comprises a mobile phone and/or a monitoring computer, and when the intelligent terminal is the monitoring computer, the monitoring computer is further communicatively connected with a display screen and a printer.
CN202122734598.5U 2021-11-09 2021-11-09 Double-source drainage control system for precipitation well Active CN216198757U (en)

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CN202122734598.5U CN216198757U (en) 2021-11-09 2021-11-09 Double-source drainage control system for precipitation well

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Application Number Priority Date Filing Date Title
CN202122734598.5U CN216198757U (en) 2021-11-09 2021-11-09 Double-source drainage control system for precipitation well

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CN216198757U true CN216198757U (en) 2022-04-05

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