Control device of underground drainage system

Abstract

The utility model provides a control device of an underground drainage system. The control device comprises a drainage module, a monitoring module and a control module, the drainage module comprises a water collecting tank, a drainage assembly and a drainage assembly, the drainage assembly is laid in the hoistway, one end of the drainage assembly is connected with a water inlet of the water collecting tank, one end of the drainage assembly is connected with a water outlet of the water collecting tank, and the other end is a drainage end; a sealing layer is arranged on the inner wall of the water collecting tank; the monitoring module comprises a water level sensor arranged in the water collecting tank; the control module is electrically connected with the monitoring module and the drainage module, and the control module is used for receiving the water level information sent by the monitoring module and feeding back and controlling starting of the drainage module. Through the structural design of the drainage module, accumulated water in a well can be led out of the well, the water accumulation problem is avoided, the water permeation phenomenon cannot occur in the water diversion process, the water level sensor monitors the height of the water level in the water collecting tank in real time, the control module adjusts the drainage assembly to be started, and the drainage capacity of the mine is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mines and relates to a control device for an underground drainage system. Background Art

[0002] Water often gathers in low-lying areas in coal mines. If the water level is allowed to rise without drainage, the low-lying tunnels may be flooded, making it impossible for people to pass through, and blocking wind flow, causing ventilation accidents. It is necessary to arrange special personnel to drain the water, or install automatic drainage control devices.

[0003] The prior art solution discloses an automatic mine drainage system, including a host computer system, a communication network, a PAC controller, a power supply box, a water pump controller, and a temperature patrol meter; the water pump controller can receive a control signal from the controller for controlling a single water pump and its ancillary equipment, the temperature patrol meter is used to collect temperature parameters reflecting the operating status of the water pump and can send the temperature parameters to the controller, the host computer system is installed on the ground and connected to the controller signal for remote monitoring of the underground pump room; the water level switch is used to collect the high and low limits of the water level in the mine water tank and send the water level signal to the controller; the power supply box is used to power the controller.

[0004] The prior art solution also discloses an automatic underground drainage control device, including a float, a guide rod, a high-level proximity switch and a low-level proximity switch. The high-level proximity switch and the low-level proximity switch, together with a protection transformer and an integrated protector, constitute a drainage pump control circuit. The device also includes a water level gauge and a pull rope. The guide rod is fixed on the water level gauge and extends below the water level gauge. The float is sleeved on the guide rod below the water level gauge. A pulley is provided at the top of the water level gauge. The pull rope crosses the pulley, one end of which is tied to the float and the other end is tied to a counterweight behind the water level gauge. The high-level proximity switch and the low-level proximity switch are respectively fixed on the water level gauge. A metal sheet is also provided on the pull rope. The metal sheet is located between the high-level proximity switch and the low-level proximity switch, which is suitable for underground drainage.

[0005] The prior art solution also discloses a comprehensive control device for multi-level drainage in a mine, including a main drainage pump connected to an AC power supply in each water gushing area, each water gushing area is provided with a liquid level sensor for detecting its water level, and the output end of the liquid level sensor is electrically connected to the input end of the controller through a soft start cabinet; the output end of the controller is electrically connected to the main drainage pump and a vacuum pump for evacuating the main drainage pump, respectively; the controller is interactively connected to a host computer located in a control room above the well through a communication module, and the controller is interactively electrically connected to an operating screen for displaying and inputting instructions.

[0006] However, existing drainage devices all have problems such as poor early warning effect, poor water collection effect, water infiltration and complex structure. Therefore, how to avoid water accumulation and have high drainage efficiency while ensuring that the drainage device has a simple structure has become a problem that urgently needs to be solved. Utility Model Content

[0007] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a control device for an underground drainage system. In the utility model, through the structural design of the drainage module, the accumulated water in the well can be led out of the well, effectively avoiding the problem of water accumulation, and no water infiltration will occur during the water diversion process. The water level height in the sump is monitored in real time by a water level sensor, and the control module adjusts the start of the drainage component to improve the drainage capacity of the mine.

[0008] To achieve this purpose, the utility model adopts the following technical solutions:

[0009] The utility model provides a control device for an underground drainage system, the control device comprising a drainage module, a monitoring module and a control module;

[0010] The drainage module includes a water collecting trough, a drainage component and a drainage component. The drainage component is laid in the shaft and one end of the drainage component is connected to the water inlet of the water collecting trough. One end of the drainage component is connected to the water outlet of the water collecting trough. The other end of the drainage component is a drainage end. The drainage component is used to pump water and discharge it from the mine.

[0011] The water collecting trough is a U-shaped trough, and the inner wall of the water collecting trough is provided with a sealing layer, and the sealing layer is used to prevent well water from penetrating;

[0012] The monitoring module includes a water level sensor disposed in the water collection tank, and the water level sensor is used to monitor the water level in the water collection tank;

[0013] The control module is electrically connected to the monitoring module and the drainage module respectively. The control module is used to receive the water level information sent by the monitoring module and feedback control the start-up of the drainage module.

[0014] In the utility model, through the structural design of the drainage module, the accumulated water in the well can be led out of the well, effectively avoiding the problem of water accumulation, and water infiltration will not occur during the water diversion process. The water level height in the sump is monitored in real time by the water level sensor, and the control module adjusts the start-up of the drainage component to improve the drainage capacity of the mine.

[0015] It should be noted that the U-shaped water collection trough designed in the utility model can ensure the concealment of the overall drainage system compared to ordinary grooves, and has a better safety factor for operators, which is conducive to the drainage operation of the drainage component and reduces the generation of water accumulation.

[0016] As a preferred technical solution of the utility model, the monitoring module also includes a water quality monitor arranged in the water collection tank; the water quality monitor includes a temperature sensor, a pH sensor, a conductivity sensor, an ion concentration sensor and an oxidation-reduction potential sensor; the temperature sensor, the pH sensor, the conductivity sensor, the ion concentration sensor and the oxidation-reduction potential sensor are electrically connected to the control module respectively.

[0017] It should be noted that the utility model can monitor the water quality and water quantity in the water collection tank in a targeted manner by setting up a water quality monitor. The staff can use the monitoring data to compare with the well water inrush data. According to the comparison results, it can be judged in advance whether there is a well water inrush problem, so as to make corresponding solutions and ensure the safety in the coal mine.

[0018] As a preferred technical solution of the utility model, the control device also includes an alarm module electrically connected to the control module. When the control module receives any signal emitted by the temperature sensor, the pH sensor, the conductivity sensor, the ion concentration sensor, the oxidation-reduction potential sensor and the water level sensor that is higher than the corresponding signal threshold, the alarm module issues an alarm.

[0019] It should be noted that the range of the corresponding signal threshold in the present invention does not make specific requirements and special limitations. Those skilled in the art can reasonably set the temperature threshold, pH threshold, conductivity threshold, ion concentration threshold and redox potential threshold, etc. according to the local well water quality conditions.

[0020] It should be noted that the specific alarm mode of the alarm module is not particularly limited in the present invention, and those skilled in the art can make an adaptive selection according to the actual situation. Among them, the alarm mode can be a sound alarm, a light color alarm, or a combination of the two.

[0021] As a preferred technical solution of the utility model, the drainage component includes at least one drainage pump arranged in the well, the control module is electrically connected to the drainage pump, and the drainage pump is used to extract water from the sump.

[0022] It should be noted that the specific model of the drainage pump is not limited in the present invention, and those skilled in the art can make adaptive adjustments according to actual conditions. The number of drainage pumps can be 1, 2, 3, 4, 5, etc., which are not exhaustive. When multiple drainage pumps are used, each drainage pump can be connected in parallel or in series.

[0023] As a preferred technical solution of the utility model, the monitoring module also includes a water pressure sensor arranged at the drain outlet of the drain pump, and the water pressure sensor is used to monitor the drainage pressure of the drain pump; the water pressure sensor is electrically connected to the control module, and the control module receives the water pressure signal emitted by the water pressure sensor and feedback controls the output power of the drain pump.

[0024] It should be noted that the utility model monitors the drainage pressure of the drainage pump and, on the one hand, adjusts the output power of the drainage pump according to the drainage pressure. On the other hand, it determines whether the drainage pump is working abnormally through the drainage pressure value. For example, if the control module feedback control increases the output power of the drainage pump, but the drainage pressure of the drainage pump does not change, then the drainage pump is working abnormally.

[0025] As a preferred technical solution of the utility model, the monitoring module also includes a camera device hung above the water collection tank, and the camera device is used to record the water level in the water collection tank by camera.

[0026] It should be noted that the camera device in the present invention has recording and storage functions, and those skilled in the art can select the appropriate one according to actual conditions.

[0027] As a preferred technical solution of the utility model, the control device also includes a remote terminal located above the well, the remote terminal is electrically connected to the control module, and the remote terminal stores and displays the monitoring signal received by the control module.

[0028] As a preferred technical solution of the utility model, the remote terminal is provided with an input device, and the input device is used to input control instructions and adjust the control signal sent by the control module.

[0029] As a preferred technical solution of the utility model, the drainage component includes at least one water diversion pipe connected to the water collecting tank, and a filter screen is provided at the water inlet of the water diversion pipe.

[0030] It should be noted that the utility model can prevent soil particles and the like from entering the water pipe and causing blockage of the water pipe by providing a filter.

[0031] It should be noted that when multiple water pipes are provided in the utility model, the water outlet ends of the multiple water pipes can be connected to the water collecting tank at the same time. The specific diameter and material of the water pipes in the utility model are not particularly limited, and technical personnel in this field can make adaptive adjustments according to actual conditions.

[0032] As a preferred technical solution of the present invention, the sealing layer is a polytetrafluoroethylene sealing layer, and the thickness of the sealing layer is 1 to 1.5 cm, for example, it can be 1 cm, 1.1 cm, 1.2 cm, 1.3 cm, 1.4 cm, 1.5 cm, etc., but is not limited to the listed values, and other unlisted values ​​within the numerical range are also applicable.

[0033] It should be noted that the utility model can effectively avoid the problem of water penetrating into the well by selecting a polytetrafluoroethylene sealing layer with a thickness of 1 to 1.5 cm, and will not deteriorate during long-term use, thereby stabilizing the drainage effect and extending the service life of the entire device.

[0034] Compared with the prior art, the beneficial effects of the utility model are:

[0035] In the utility model, through the structural design of the drainage module, the accumulated water in the well can be led out of the well, effectively avoiding the problem of water accumulation, and water infiltration will not occur during the water diversion process. The water level height in the sump is monitored in real time by the water level sensor, and the control module adjusts the start-up of the drainage component to improve the drainage capacity of the mine. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 A schematic diagram of the structure of a control device for a downhole drainage system provided in a specific embodiment of the utility model;

[0037] Among them, 1-water collection tank; 2-control module; 3-drainage pump; 4-remote terminal; 5-camera device; 6-water pipe; 7-polytetrafluoroethylene sealing layer. DETAILED DESCRIPTION

[0038] It should be understood that, in the description of the present utility model, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0039] It should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0040] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0041] In a specific embodiment, the utility model provides a control device for an underground drainage system, such as Figure 1 As shown, the control device includes a drainage module, a monitoring module and a control module 2;

[0042] The drainage module includes a water collection tank 1, a drainage component and a drainage component. The drainage component is laid in the shaft and one end of the drainage component is connected to the water inlet of the water collection tank 1. One end of the drainage component is connected to the water outlet of the water collection tank 1, and the other end is a drainage end. The drainage component is used to pump water and discharge it from the mine;

[0043] The water collecting tank 1 is a U-shaped tank, and the inner wall of the water collecting tank 1 is provided with a sealing layer, which is used to prevent the well water from penetrating;

[0044] The monitoring module includes a water level sensor disposed in the water collection tank 1, and the water level sensor is used to monitor the water level height in the water collection tank 1;

[0045] The control module 2 is electrically connected to the monitoring module and the drainage module respectively. The control module 2 is used to receive the water level information sent by the monitoring module and feedback control the startup of the drainage module.

[0046] In the utility model, through the structural design of the drainage module, the accumulated water in the well can be led out of the well, effectively avoiding the problem of water accumulation, and water infiltration will not occur during the water diversion process. The water level height in the sump 1 is monitored in real time by the water level sensor, and the control module 2 adjusts the drainage component to start, thereby improving the drainage capacity of the mine.

[0047] It should be noted that the U-shaped water collection trough 1 in the present invention can ensure the concealment of the overall drainage system compared to ordinary grooves, and has a better safety factor for operators, which is conducive to the drainage operation of the drainage component and reduces the generation of water accumulation.

[0048] The monitoring module also includes a water quality monitor arranged in the water collection tank 1; the water quality monitor includes a temperature sensor, a pH sensor, a conductivity sensor, an ion concentration sensor and an oxidation-reduction potential sensor; the temperature sensor, the pH sensor, the conductivity sensor, the ion concentration sensor and the oxidation-reduction potential sensor are electrically connected to the control module 2 respectively.

[0049] It should be noted that the utility model can monitor the water quality and water volume in the water collection tank 1 in a targeted manner by setting a water quality monitor. The staff can use the monitoring data to compare with the well water inrush data. According to the comparison results, it can be judged in advance whether there is a well water inrush problem, so as to make corresponding solutions and ensure the safety in the coal mine.

[0050] Furthermore, the control device also includes an alarm module electrically connected to the control module 2. When any signal emitted by the temperature sensor, pH sensor, conductivity sensor, ion concentration sensor, oxidation-reduction potential sensor and water level sensor received by the control module 2 is higher than the corresponding signal threshold, the alarm module issues an alarm.

[0051] It should be noted that the range of the corresponding signal threshold in the present invention does not make specific requirements and special limitations. Those skilled in the art can reasonably set the temperature threshold, pH threshold, conductivity threshold, ion concentration threshold and redox potential threshold, etc. according to the local well water quality conditions.

[0052] It should be noted that the specific alarm mode of the alarm module is not particularly limited in the present invention, and those skilled in the art can make an adaptive selection according to the actual situation. Among them, the alarm mode can be a sound alarm, a light color alarm, or a combination of the two.

[0053] Furthermore, the drainage component includes at least one drainage pump 3 disposed in the well, the control module 2 is electrically connected to the drainage pump 3 , and the drainage pump 3 is used to extract water from the sump 1 .

[0054] It should be noted that the specific model of the drainage pump 3 is not limited in the present invention, and those skilled in the art can make adaptive adjustments according to actual conditions. The number of drainage pumps 3 can be 1, 2, 3, 4, 5, etc., which are not exhaustive here. When multiple drainage pumps 3 are used, each drainage pump 3 can be connected in parallel or in series.

[0055] Furthermore, the monitoring module also includes a water pressure sensor arranged at the drain outlet of the drain pump 3, and the water pressure sensor is used to monitor the drainage pressure of the drain pump 3; the water pressure sensor is electrically connected to the control module 2, and the control module 2 receives the water pressure signal emitted by the water pressure sensor and feedback controls the output power of the drain pump 3.

[0056] It should be noted that the utility model monitors the drainage pressure of the drainage pump 3. On the one hand, it adjusts the output power of the drainage pump 3 according to the drainage pressure. On the other hand, it determines whether the drainage pump 3 is working abnormally through the drainage pressure value. For example, if the control module 2 feedback control increases the output power of the drainage pump 3, but the drainage pressure of the drainage pump 3 does not change, then the operation is abnormal.

[0057] Furthermore, the monitoring module also includes a camera device 5 hung above the water collection tank 1, and the camera device 5 is used to record the water level in the water collection tank 1 by camera.

[0058] It should be noted that the camera device 5 in the present invention has recording and storage functions, and those skilled in the art can select the appropriate one according to actual conditions.

[0059] Furthermore, the control device also includes a remote terminal 4 located above the well, the remote terminal 4 is electrically connected to the control module 2 , and the remote terminal 4 stores and displays the monitoring signals received by the control module 2 .

[0060] Furthermore, the remote terminal 4 is provided with an input device, and the input device is used to input control instructions and adjust the control signal sent by the control module 2.

[0061] Furthermore, the drainage component includes at least one water diversion pipe 6 connected to the water collecting tank 1, and a filter screen is provided at the water inlet of the water diversion pipe 6.

[0062] It should be noted that the utility model can prevent soil particles and the like from entering the water diversion pipe 6 and causing the water diversion pipe 6 to be blocked by providing a filter.

[0063] Furthermore, the sealing layer is a polytetrafluoroethylene sealing layer 7, and the thickness of the sealing layer is 1 to 1.5 cm, for example, it can be 1 cm, 1.1 cm, 1.2 cm, 1.3 cm, 1.4 cm, 1.5 cm, etc., but is not limited to the listed values, and other unlisted values ​​within the numerical range are also applicable.

[0064] It should be noted that the utility model can effectively avoid the problem of water penetrating into the well by selecting a polytetrafluoroethylene sealing layer 7 with a thickness of 1 to 1.5 cm, and will not deteriorate during long-term use, thereby stabilizing the drainage effect and extending the service life of the entire device.

[0065] Exemplarily, a method for draining water using the above-mentioned integrated control device for a coal mine drainage system is provided, and the drainage method specifically comprises the following steps:

[0066] The water diversion pipe 6 drains the accumulated water in the water accumulation area of ​​the mine into the water collection tank 1. The monitoring module monitors the water level, temperature, pH, conductivity, ion concentration and redox potential of the water in the water collection tank 1, and sends the monitoring signal to the control module 2; the control module 2 compares the monitoring signal with the corresponding threshold value, and according to the water level position, the water level growth rate, and the drainage pressure of the drainage pump 3 monitored by the monitoring module, feedback adjusts the start-up and output power of the drainage pump 3 to ensure that the accumulated water is discharged in time; when the control module 2 adjusts the output power of the drainage pump 3, if its drainage pressure does not change, it is determined that the drainage pump 3 is faulty, and another drainage pump 3 is started to replace it, and the faulty drainage pump 3 is repaired and replaced to ensure continuous operation of the device.

[0067] Example 1

[0068] This embodiment provides a control device for an underground drainage system, wherein:

[0069] The control device includes a drainage module, a monitoring module and a control module 2; the drainage module includes a sump 1, a drainage component and a drainage component, the drainage component is laid in the shaft and one end of which is connected to the water inlet of the sump 1, one end of the drainage component is connected to the water outlet of the sump 1, and the other end is the drainage end, and the drainage component is used to pump water and discharge it out of the mine; the sump 1 is a U-shaped trough, and the inner wall of the sump 1 is provided with a sealing layer, and the sealing layer is used to prevent shaft water from penetrating; the monitoring module includes a water level sensor arranged in the sump 1, and the water level sensor is used to monitor the water level height in the sump 1; the control module 2 is electrically connected to the monitoring module and the drainage module respectively, and the control module 2 is used to receive the water level information sent by the monitoring module, and feedback control the start-up of the drainage module.

[0070] The monitoring module also includes a water quality monitor arranged in the water collection tank 1; the water quality monitor includes a temperature sensor, a pH sensor, a conductivity sensor, an ion concentration sensor and an oxidation-reduction potential sensor; the temperature sensor, the pH sensor, the conductivity sensor, the ion concentration sensor and the oxidation-reduction potential sensor are electrically connected to the control module 2 respectively.

[0071] The control device also includes an alarm module electrically connected to the control module 2. When any signal sent by the temperature sensor, pH sensor, conductivity sensor, ion concentration sensor, redox potential sensor and water level sensor received by the control module 2 is higher than the corresponding signal threshold, the alarm module issues an alarm.

[0072] The drainage assembly includes two drainage pumps 3 arranged in the well, the control module 2 is electrically connected to the drainage pumps 3, and the drainage pumps 3 are used to extract water from the water collection tank 1. The monitoring module also includes a water pressure sensor arranged at the drainage port of the drainage pump 3, and the water pressure sensor is used to monitor the drainage pressure of the drainage pump 3; the water pressure sensor is electrically connected to the control module 2, and the control module 2 receives the water pressure signal sent by the water pressure sensor and feedback controls the output power of the drainage pump 3. The monitoring module also includes a camera device 5 hung above the water collection tank 1, and the camera device 5 is used to record the water level in the water collection tank 1 by video.

[0073] The control device also includes a remote terminal 4 located on the well, which is electrically connected to the control module 2 and stores and displays the monitoring signals received by the control module 2. The remote terminal 4 is provided with an input device, which is used to input control instructions and adjust the control signals sent by the control module 2.

[0074] The drainage assembly includes two water diversion pipes 6 connected to the water collection tank 1, and a filter screen is set at the water inlet of the water diversion pipe 6. The sealing layer is a polytetrafluoroethylene sealing layer 7, and the thickness of the sealing layer is 1.2 cm.

[0075] In summary, through the structural design of the drainage module in the utility model, the accumulated water in the well can be led out of the well, effectively avoiding the problem of water accumulation, and no water infiltration will occur during the water diversion process. The water level height in the sump 1 is monitored in real time through the water level sensor, and the control module 2 adjusts the drainage component to start, thereby improving the drainage capacity of the mine.

[0076] The above description is only a specific implementation method of the present utility model, but the protection scope of the present utility model is not limited thereto. Technicians in the relevant technical field should understand that any changes or substitutions that can be easily thought of by technicians in the relevant technical field within the technical scope disclosed in the present utility model fall within the protection scope and disclosure scope of the present utility model.

Claims

1. A control device for an underground drainage system, characterized in that: The control device includes a drainage module, a monitoring module and a control module; The drainage module includes a water collecting trough, a drainage component and a drainage component. The drainage component is laid in the shaft and one end of the drainage component is connected to the water inlet of the water collecting trough. One end of the drainage component is connected to the water outlet of the water collecting trough. The other end of the drainage component is a drainage end. The drainage component is used to pump water and discharge it from the mine. The water collecting trough is a U-shaped trough, and the inner wall of the water collecting trough is provided with a sealing layer, and the sealing layer is used to prevent well water from penetrating; The monitoring module includes a water level sensor disposed in the water collection tank, and the water level sensor is used to monitor the water level in the water collection tank; The control module is electrically connected to the monitoring module and the drainage module respectively. The control module is used to receive the water level information sent by the monitoring module and feedback control the start-up of the drainage module.

2. The control device for the underground drainage system according to claim 1, characterized in that: The monitoring module also includes a water quality monitor disposed in the water collection tank; The water quality monitor includes a temperature sensor, a pH sensor, a conductivity sensor, an ion concentration sensor and an oxidation-reduction potential sensor; The temperature sensor, the pH sensor, the conductivity sensor, the ion concentration sensor and the oxidation-reduction potential sensor are electrically connected to the control module respectively.

3. The control device for the underground drainage system according to claim 2, characterized in that: The control device also includes an alarm module electrically connected to the control module. When any signal sent by the temperature sensor, the pH sensor, the conductivity sensor, the ion concentration sensor, the oxidation-reduction potential sensor and the water level sensor received by the control module is higher than the corresponding signal threshold, the alarm module issues an alarm.

4. The control device for the underground drainage system according to claim 1, characterized in that: The drainage component includes at least one drainage pump disposed in the well, the control module is electrically connected to the drainage pump, and the drainage pump is used to extract water from the sump.

5. The control device for the underground drainage system according to claim 4, characterized in that: The monitoring module further comprises a water pressure sensor disposed at the drainage outlet of the drainage pump, wherein the water pressure sensor is used to monitor the drainage pressure of the drainage pump; The water pressure sensor is electrically connected to the control module, and the control module receives the water pressure signal sent by the water pressure sensor and feeds back to control the output power of the drainage pump.

6. The control device for the underground drainage system according to claim 1, characterized in that: The monitoring module also includes a camera device hung above the water collection tank, and the camera device is used to record the water level in the water collection tank by camera.

7. The control device for the underground drainage system according to claim 1, characterized in that: The control device further comprises a remote terminal located above the well, wherein the remote terminal is electrically connected to the control module, and the remote terminal stores and displays the monitoring signal received by the control module.

8. The control device for the underground drainage system according to claim 7, characterized in that: The remote terminal is provided with an input device, and the input device is used to input control instructions and adjust the control signal sent by the control module.

9. The control device for the underground drainage system according to claim 1, characterized in that: The drainage component comprises at least one water diversion pipe connected to the water collecting tank, and a filter screen is sleeved at the water inlet of the water diversion pipe.

10. The control device for the underground drainage system according to claim 1, characterized in that: The sealing layer is a polytetrafluoroethylene sealing layer, and the thickness of the sealing layer is 1 to 1.5 cm.

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