Hydropower station leakage drainage device and leakage drainage intelligent control system

Abstract

The invention provides a hydropower station leakage drainage device and a leakage drainage intelligent control system, and relates to the field of hydropower station leakage drainage. The device comprises a water collecting bin, the drainage channel assembly is used for collecting leakage water of the hydropower station; the impurity filtering assembly is used for intercepting impurities in leaked water; the flashboard assembly is used for opening and closing the water collecting bin; the water collecting bin comprises a liquid level sensor installed in the water collecting bin and a water discharging pipe fixedly connected to the water discharging end of the water collecting bin and used for discharging water. The sundry filtering plate can move to the side portions of the multiple sundry storage boxes to intercept garbage sundries, so that the garbage sundries are accumulated in the sundry storage boxes and then move to the side portions of the subsequent empty sundry storage boxes, a drainage system can be conducted continuously, the drainage channel assembly and the sundry filtering assembly are matched with each other, and the drainage effect is improved. And a traditional fixed grid decontamination mode is replaced, and garbage and sundries can be cleaned without shutdown.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of water leakage drainage of hydropower stations, and particularly relates to a water leakage drainage device and an intelligent control system for water leakage drainage of hydropower stations. BACKGROUND

[0002] The drainage system of a hydropower station can be divided into a leakage drainage system and a maintenance drainage system. The leakage drainage system is used for draining the leakage water of the life water, the technical water, various components and expansion joints and settlement joints in the plant. The leakage water that can be self-flowed to the downstream is self-flowed to the downstream, and the leakage water that cannot be self-flowed is concentrated into a water collecting well and then pumped to the downstream. This system is referred to as a leakage drainage system.

[0003] For a hydropower station located in a mountainous area with luxuriant trees and much floating material in the flood season, the leakage water contains much garbage. If the garbage cannot be removed during the drainage, the garbage will enter the pump body or be blocked in the pipeline, which will affect the normal use of the leakage drainage system.

[0004] At present, the traditional scheme is to set a fixed grid at the water inlet end of the leakage drainage system to intercept the garbage, and the grid is cleaned by workers regularly. In order to ensure the safety of the workers, the leakage drainage system is usually closed, which causes the risk of interruption of the drainage due to cleaning. SUMMARY

[0005] The present application aims to provide a water leakage drainage device and an intelligent control system for water leakage drainage of hydropower stations to solve the problems and overcome the technical defects in the background technology.

[0006] To solve the above technical problems, the technical scheme adopted by the present application is as follows: a water leakage drainage device for a hydropower station, comprising a water collecting bin, a drainage channel assembly for collecting the leakage water of the hydropower station, a garbage filtering assembly for intercepting the garbage in the leakage water, and a gate assembly for opening and closing the water collecting bin. The water collecting bin comprises a liquid level sensor installed in the interior of the water collecting bin, a drainage pipe for drainage fixedly connected to the water outlet end of the water collecting bin, and a drainage valve installed on the drainage pipe through a flange. The drainage channel assembly comprises a drainage channel main body arranged at the water inlet end of the water collecting bin, a plurality of garbage storage boxes fixed to the bottom of the drainage channel main body and in communication with each other, and an inlet pressure sensor and an outlet pressure sensor fixed to the side wall of the drainage channel main body. The inlet pressure sensor is located at one side of the water inlet end of the drainage channel main body, the outlet pressure sensor is located at one side of the water outlet end of the drainage channel main body, and the water inlet end of the drainage channel main body is connected to a pipeline located at a position prone to leakage in the hydropower station for guiding the leakage water. The debris filtering assembly comprises a debris filtering plate slidingly arranged inside the drain channel body.

[0007] As a further scheme of the present application, the debris filtering assembly further comprises guide supports fixed to the left and right sides of the drain channel body, and clamping grooves formed at the connecting portions of the guide supports and the debris filtering plate, the debris filtering plate moving along the guide support axis.

[0008] As a further scheme of the present application, the debris filtering assembly further comprises a sliding screw rod arranged inside the debris filtering plate through a screw rod nut, and a guide rod arranged inside the debris filtering plate in parallel with the sliding screw rod, the guide rod being fixed inside one of the guide supports, and the sliding screw rod being rotatably arranged inside the other guide support through a bearing.

[0009] As a further scheme of the present application, the debris filtering assembly further comprises a servo motor arranged at the side of the guide support through a bolt, a transmission wheel fixed to the power output end of the servo motor, and a transmission belt sleeved on the surface of the transmission wheel, one set of the transmission wheels being fixedly connected with the power output end of the servo motor, and the other set of the transmission wheels being fixedly connected with the sliding screw rod.

[0010] As a further scheme of the present application, the side of the debris filtering plate is provided with a dredging assembly for dredging the debris filtering plate, the dredging assembly comprising a support plate arranged in parallel with the side of the debris filtering plate, and a dredging cone fixed to the side of the support plate facing the debris filtering plate, the dredging cone being matched with the size of the mesh hole of the debris filtering plate.

[0011] As a further scheme of the present application, the gate assembly comprises a water inlet gate formed at the connecting portion of the water collecting chamber and the drain channel body, a movable groove formed at the top of the water inlet gate and communicating with the water inlet gate, and a gate body liftable arranged inside the movable groove, the gate body being capable of being embedded into the water inlet gate.

[0012] As a further scheme of the present application, the gate assembly further comprises a lifting frame welded to the side of the gate body, side supports slidingly arranged at the left and right sides of the lifting frame, a top support welded to the top of the side supports, a hydraulic cylinder arranged at the top of the top support through a bolt, and a lifting rod fixed to the telescopic end of the hydraulic cylinder.

[0013] As a further scheme of the present application, the bottom of the lifting rod is fixedly connected with the lifting frame, and the lifting frame moves up and down along the inside of the side supports.

[0014] As a further embodiment of the present invention, the unblocking component further includes: a connecting block disposed between the support plate and the gate body; a limiting column welded to the top of the water collection tank; a limiting slider welded to the side of the support plate facing the limiting column; and a limiting groove starting at the connection between the limiting slider and the limiting column.

[0015] As a further aspect of the present invention: a smart control system for leakage drainage, comprising: The data acquisition unit includes a liquid level sensor, an inlet pressure sensor, and an outlet pressure sensor. The liquid level sensor is used to collect the water level signal in the water collection tank, and the inlet pressure sensor and outlet pressure sensor are used to collect the pressure signals at the inlet and outlet ends of the main body of the drainage channel. The control unit includes a controller disposed at the electrical output terminal of the liquid level sensor, the controller being used to receive data signals from the data acquisition unit; The execution unit includes a servo motor, a hydraulic cylinder, and a drain valve, all of which are electrically connected to the controller.

[0016] Compared with the prior art, the beneficial effects of the present invention include: 1. The debris filter plate can move to the side of multiple debris storage boxes to intercept garbage and debris, causing the garbage and debris to accumulate inside the debris storage boxes. Then it moves to the side of the subsequent empty debris storage boxes, so that the drainage system can operate continuously. The drainage channel components and debris filter components work together to replace the traditional fixed bar screen cleaning method. The garbage and debris can be cleaned without stopping the machine. The garbage can be guided and stored in the debris storage boxes, rather than being scattered at the bottom of the entire drainage channel, which facilitates the cleaning of garbage in the drainage channel. 2. The set unblocking components work together with the debris filter plate, and the unblocking cone on the support plate cleans the mesh of the debris filter plate to prevent the debris filter plate from becoming clogged. 3. The gate assembly can drive the lifting frame to rise under the action of the hydraulic cylinder, thereby driving the gate body to rise and fall, so as to completely cut off the water flow when the water collection tank is under maintenance. At the same time, the gate assembly can drive the support plate to move up and down through the connecting block, thereby adjusting the height of the support plate. When the gate body is closed, it drives the support plate to fall, matching the height of the debris filter plate, which facilitates the unblocking of the debris filter plate. 4. By setting inlet and outlet pressure sensors, the pressure upstream and downstream of the debris filter plate is monitored, enabling the controller to intelligently control the debris filter plate, filter out leaking garbage and debris, meet normal drainage requirements, and eliminate the need for manual operation. Attached Figure Description

[0017] The disclosure of this invention is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this invention. In the drawings, the same reference numerals are used to refer to the same parts. Wherein: Figure 1 The schematic diagram shows an overall structural schematic diagram according to one embodiment of the present invention; Figure 2 The schematic diagram illustrates another perspective structural schematic according to one embodiment of the present invention; Figure 3 The schematic diagram shows a half-section of the water inlet gate according to an embodiment of the present invention; Figure 4 The schematic diagram shows a structural schematic of a debris filter plate according to an embodiment of the present invention; Figure 5 The schematic diagram shows a structural schematic of a drainage ditch assembly according to an embodiment of the present invention; Figure 6 The schematic diagram illustrates the structure of the unclogging cone according to an embodiment of the present invention. Figure 7 The schematic diagram shows a structural schematic of a gate body according to an embodiment of the present invention; Figure 8 The diagram schematically shows a partial structural schematic of the main body of a drainage ditch according to an embodiment of the present invention.

[0018] Numbered components in the diagram: 1. Water collection tank; 2. Drainage channel assembly; 201. Drainage channel body; 202. Debris storage box; 203. Inlet pressure sensor; 204. Outlet pressure sensor; 3. Liquid level sensor; 4. Debris filter assembly; 401. Guide bracket; 402. Servo motor; 403. Debris filter plate; 404. Sliding screw; 405. Guide rod; 406. Slot; 407. Transmission wheel; 408. Transmission belt 5. Gate assembly; 501. Gate body; 502. Lifting frame; 503. Movable groove; 504. Side support; 505. Lifting rod; 506. Top support; 507. Hydraulic cylinder; 508. Inlet gate; 6. Unblocking assembly; 601. Support plate; 602. Limiting slide groove; 603. Limiting slider; 604. Connecting block; 605. Unblocking cone; 606. Limiting column; 7. Drain pipe; 8. Drain valve. Detailed Implementation

[0019] It is readily understood that, based on the technical solution of this invention, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of the invention. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative examples of the technical solution of this invention and should not be considered as the entirety of the invention or as limitations or restrictions on the technical solution of this invention.

[0020] An embodiment of the present invention is illustrated in conjunction with the accompanying drawings.

[0021] Example 1: Please see Figure 1 This embodiment provides a hydropower station seepage drainage device, including a water collection tank 1; a drainage channel assembly 2 for collecting seepage water from the hydropower station; a debris filter assembly 4 for intercepting debris in the seepage water; and a gate assembly 5 for opening and closing the water collection tank 1. The water collection tank 1 includes: a liquid level sensor 3 installed inside the water collection tank 1; a drain pipe 7 fixedly connected to the drain end of the water collection tank 1 for draining; and a drain valve 8 installed on the drain pipe 7 via a flange. like Figure 5 As shown, the drainage ditch assembly 2 includes: a drainage ditch body 201 located at the inlet end of the water collection tank 1; multiple debris storage boxes 202 fixed to the bottom of the drainage ditch body 201 and interconnected therewith, the number of debris storage boxes 202 being adjusted according to the overall length of the drainage ditch body 201; and an inlet pressure sensor 203 and an outlet pressure sensor 204 fixed to the side wall of the drainage ditch body 201; the inlet pressure sensor 203 is located on the inlet side of the drainage ditch body 201, and the outlet pressure sensor 204 is located on the outlet side of the drainage ditch body 201. The inlet end of the drainage ditch body 201 is connected to a pipe located in a leak-prone area within the hydropower station, used to divert leaking water. The drainage ditch assembly 2 and the debris filter assembly 4 cooperate with each other to replace the traditional fixed bar screen for cleaning. This method allows for the cleaning of garbage and debris without shutting down the system. Garbage can be guided and centrally stored in the debris storage box 202, rather than being scattered at the bottom of the main drainage channel 201, making it easier to clean up the garbage in the main drainage channel 201. Leaking water from various parts of the hydropower station is led to the inlet of the main drainage channel 201 through the pipeline system. After entering the main drainage channel 201, the leaking water flows through the debris filter plate 403. At this time, the debris filter plate 403 is located on the side of the debris storage box 202 near the inlet. The filter plate intercepts larger solid debris such as branches, plastics, and fibers carried by the water flow on its upstream side. Under the impact of the water flow and its own weight, the intercepted debris gradually accumulates and slides into the debris storage box 202 on its side, achieving preliminary separation and centralized storage of debris.

[0022] like Figure 8As shown, the debris filtering assembly 4 includes: a debris filtering plate 403 slidably disposed inside the main body 201 of the drainage ditch. The debris filtering plate 403 is adapted to the internal dimensions of the main body 201 of the drainage ditch. A cleaning brush can be added to the side of the debris filtering plate 403 that is in contact with the main body 201 of the drainage ditch. When the debris filtering plate 403 moves, the cleaning brush can clean the inner wall of the main body 201 of the drainage ditch. Through the debris filtering plate 403, it can move to the side of multiple debris storage boxes 202 to intercept garbage and debris, so that the garbage and debris accumulate inside the debris storage box 202, and then move to the side of the subsequent empty debris storage box 202, so that the drainage system can operate continuously. The debris filtering assembly 4 also includes: a fixed to the main body of the drainage ditch. The guide brackets 401 on the left and right sides of the body 201; and the slots 406 opened at the connection between the guide brackets 401 and the debris filter plate 403. The debris filter plate 403 moves along the axis of the guide brackets 401. A sliding groove is opened on the top of the guide brackets 401, and the debris filter plate 403 can slide inside the body 201 of the drainage ditch. As the amount of garbage increases, it gradually blocks the debris filter plate 403, which then causes the resistance of water flow through the debris filter plate 403. The inlet pressure sensor 203 and the outlet pressure sensor 204 monitor the pressure upstream and downstream of the filter plate in real time and output it to the controller. When the pressure difference exceeds the preset threshold, it indicates that there is a lot of garbage on the side of the debris filter plate 403 and the water flow resistance increases. At this time, the controller can control the servo motor 402 to work.

[0023] like Figure 4 As shown, the debris filter assembly 4 further includes: a sliding screw 404 installed inside the debris filter plate 403 via a screw nut; and a guide rod 405 extending through the debris filter plate 403 and parallel to the sliding screw 404. The guide rod 405 is fixed inside one set of guide brackets 401, and the sliding screw 404 is rotatably installed inside another set of guide brackets 401 via a bearing. When the sliding screw 404 rotates, the debris filter plate 403 can move along the axis of the guide rod 405 under the action of the screw nut. The guide rod 405 guides the debris filter plate 403. The debris filter assembly 4 also... It includes: a servo motor 402 bolted to the side of the guide bracket 401; a transmission wheel 407 fixed to the power output end of the servo motor 402; and a transmission belt 408 sleeved on the surface of the transmission wheel 407. One set of transmission wheels 407 is fixedly connected to the power output end of the servo motor 402, and another set of transmission wheels 407 is fixedly connected to the sliding screw 404. After the servo motor 402 is started, it can drive the transmission wheel 407 to rotate through the power output end. Under the action of the transmission belt 408, the other set of transmission wheels 407 drives the sliding screw 404 to rotate, thereby driving the sliding screw 404.

[0024] like Figure 2 , Figure 3 and Figure 4As shown, a clearing component 6 for clearing the debris filter plate 403 is provided on the side. The clearing component 6 includes a support plate 601 parallel to the side of the debris filter plate 403 and a clearing cone 605 fixed to the support plate 601 facing the debris filter plate 403. The clearing cone 605 is adapted to the mesh size of the debris filter plate 403. After the debris filter plate 403 slides, it can move to the side of the debris storage box 202, so that the debris in the leaked water is intercepted by the debris filter plate 403 and deposited inside the debris storage box 202. Since the debris storage box 202 is equipped with multiple Once the current debris storage box 202 is full, the debris filter plate 403 can be moved to the side of the subsequent empty debris storage box 202, so that the drainage system can continue uninterrupted. At the same time, if the debris filter plate 403 becomes clogged, it can be moved back towards the support plate 601, and the unblocking cone 605 on the support plate 601 can be used to clean the mesh of the debris filter plate 403 to prevent the debris filter plate 403 from becoming clogged. The unblocking component 6 works in conjunction with the debris filter plate 403, and the unblocking cone 605 on the support plate 601 cleans the mesh of the debris filter plate 403 to prevent the debris filter plate 403 from becoming clogged.

[0025] Example 2: like Figure 2 and Figure 4 As shown, this embodiment provides a hydropower station seepage drainage device. The gate assembly 5 includes: an inlet gate 508 opened at the connection between the water collection tank 1 and the drainage channel body 201; a movable groove 503 opened at the top of the inlet gate 508 and communicating with it; and a gate body 501 that can be lifted and installed inside the movable groove 503. The gate body 501 can be embedded inside the inlet gate 508. After the gate body 501 is raised, water in the drainage channel body 201 can enter the water collection tank 1 through the inlet gate 508. The water collection tank 1 can store water uniformly. The gate assembly 5 also includes: a lifting frame 502 welded to the side of the gate body 501; and a sliding frame 502. 02 Side supports 504 on both sides; top support 506 welded to the top of the side supports 504; hydraulic cylinder 507 bolted to the top of the top support 506; and lifting rod 505 fixed to the telescopic end of the hydraulic cylinder 507. The hydraulic cylinder 507 can drive the lifting frame 502 to move upward through the lifting rod 505, thereby driving the gate body 501 to move up and down. If the pressure difference does not change, it indicates that the debris filter plate 403 is blocked. At this time, the controller controls the hydraulic cylinder 507 to work. The hydraulic cylinder 507 drives the lifting frame 502 to drive the gate body 501 to rise and fall, so that the gate body 501 cuts off the water flow.

[0026] like Figure 3 and Figure 4As shown, the bottom of the lifting rod 505 is fixedly connected to the lifting frame 502, and the lifting frame 502 moves up and down along the inner side of the side bracket 504. The side bracket 504 is used to guide the movement of the gate body 501. The gate assembly 5 can drive the lifting frame 502 to rise under the action of the hydraulic cylinder 507, thereby driving the gate body 501 to rise and fall, so as to completely cut off the water flow when the water collection tank 1 is under maintenance. After the servo motor 402 is started, it can drive the transmission wheel 407 to rotate through the power output end, and under the action of the transmission belt 408 Another set of transmission wheels 407 drives the sliding screw 404 to rotate, thereby driving the sliding screw 404. Under the action of the screw nut, the debris filter plate 403 moves along the axis of the guide rod 405. The guide rod 405 guides the debris filter plate 403. If the pressure difference changes, it means that the previous debris storage box 202 is full, causing the garbage to accumulate. The debris filter plate 403 reaches the side of the next empty debris storage box 202, and then the garbage is carried by the water flow and re-accumulated into the second debris storage box 202.

[0027] like Figure 3 , Figure 6 , Figure 7 and Figure 8 As shown, the unblocking component 6 also includes: a connecting block 604 disposed between the support plate 601 and the gate body 501; a limiting column 606 welded to the top of the water collection tank 1; a limiting slider 603 welded to the side of the support plate 601 facing the limiting column 606; and a limiting groove 602 starting at the connection between the limiting slider 603 and the limiting column 606. When the gate body 501 rises, the connecting block 604 can drive the support plate 601 to rise, at which time the leaking water can smoothly enter the water collection tank 1. After the support plate 601 falls, it can be matched with the height of the debris filter plate 403, thereby facilitating the unblocking of the debris filter plate 403. The gate assembly 5 can drive the support plate 601 up and down through the connecting block 604. The gate body 501 moves, thereby adjusting the height of the support plate 601. When the gate body 501 closes, it drives the support plate 601 to descend, matching the height of the debris filter plate 403, facilitating the unblocking of the debris filter plate 403. At the same time, the gate body 501 drives the support plate 601 to descend, matching the height of the debris filter plate 403, while the debris filter plate 403 continues to move backward. The unblocking cone 605 passes through the debris filter plate 403, unblocking the debris filter plate 403. Subsequently, the debris filter plate 403 returns to the side of the empty debris storage box 202, realizing the interception and filtration of garbage. When the debris storage box 202 is 80% full of garbage, maintenance personnel can use retrieval equipment to retrieve and collect the garbage in the debris storage box 202.

[0028] Example 3: like Figure 1This embodiment provides an intelligent control system for leakage drainage, including: a data acquisition unit, including a liquid level sensor 3, an inlet pressure sensor 203, and an outlet pressure sensor 204. The liquid level sensor 3 is used to collect the water level signal in the water collection tank 1, and the inlet pressure sensor 203 and the outlet pressure sensor 204 are used to collect the pressure signals at the inlet and outlet ends of the drainage channel body 201. By setting the inlet pressure sensor 203 and the outlet pressure sensor 204, the pressure upstream and downstream of the debris filter plate 403 is monitored, so that the controller can intelligently control the debris filter plate 403 to filter the garbage and debris in the leaked water, meet the normal drainage requirements, and eliminate the need for manual operation. When the liquid level sensor 3 in the water collection tank 1 monitors the water level in real time, when the water level reaches the set value, the controller issues a command to open the drain valve 8 and start the drain pump. The drain pump is connected to the drain pipe 7 and discharges the water in the tank to the outside of the plant through the drain pipe 7. When the water level drops to the set value, the controller controls the drain valve 8 and the drain pump to close, thus completing the drainage.

[0029] like Figure 1 , Figure 3 and Figure 4 The system also includes a control unit, comprising a controller located at the electrical output of the level sensor 3, which receives data signals from the data acquisition unit; and an execution unit, comprising a servo motor 402, a hydraulic cylinder 507, and a drain valve 8, all electrically connected to the controller. The inlet pressure sensor 203 and the outlet pressure sensor 204 monitor the pressure upstream and downstream of the debris filter plate 403 in real time and transmit the data signals to the controller. When the pressure difference exceeds a preset threshold, it indicates that there is a large amount of debris on the side of the debris filter plate 403, increasing water flow resistance. At this time, the controller can control the servo motor 402 to move the debris filter plate 403 towards the side of the empty debris storage box 202. If the pressure difference changes, it indicates that the previous debris storage box 202 is full, causing debris accumulation; conversely, it indicates that the debris filter plate 403 is blocked, and the debris filter plate 403 moves backward, clearing the blockage through the unblocking cone 605.

[0030] The technical scope of this invention is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this invention, and all such modifications and variations should fall within the protection scope of this invention.

Claims

1. A seepage drainage device for a hydropower station, characterized in that, It includes a water collection tank (1); a drainage ditch assembly (2) for collecting water leakage from the hydropower station; a debris filter assembly (4) for intercepting debris in the leakage water; and a gate assembly (5) for opening and closing the water collection tank (1). The water collection tank (1) includes: a liquid level sensor (3) installed inside the water collection tank (1); a drain pipe (7) fixedly connected to the drain end of the water collection tank (1) for draining; and a drain valve (8) installed on the drain pipe (7) via a flange. The drainage ditch assembly (2) includes: a drainage ditch body (201) disposed at the inlet end of the water collection tank (1); a plurality of miscellaneous storage boxes (202) fixed to the bottom of the drainage ditch body (201) and connected to it; and an inlet pressure sensor (203) and an outlet pressure sensor (204) fixed to the side wall of the drainage ditch body (201); the inlet pressure sensor (203) is located on the inlet end side of the drainage ditch body (201), and the outlet pressure sensor (204) is located on the outlet end side of the drainage ditch body (201). The inlet end of the drainage ditch body (201) is connected to a pipe, which is located in a location within the hydropower station that is prone to leakage, and is used to divert leaking water. The debris filtering assembly (4) includes a debris filtering plate (403) that is slidably disposed inside the main body (201) of the drainage ditch.

2. The hydropower station seepage drainage device according to claim 1, characterized in that, The debris filtration assembly (4) further includes: guide brackets (401) fixed on the left and right sides of the main body of the drainage ditch (201); and a slot (406) opened at the connection between the guide bracket (401) and the debris filter plate (403), wherein the debris filter plate (403) moves along the axis of the guide bracket (401).

3. A hydropower station seepage drainage device according to claim 2, characterized in that, The debris filter assembly (4) further includes: a sliding screw (404) installed inside the debris filter plate (403) by a screw nut; and a guide rod (405) that runs through the debris filter plate (403) and is arranged parallel to the sliding screw (404). The guide rod (405) is fixed inside one set of guide brackets (401), and the sliding screw (404) is rotatably installed inside another set of guide brackets (401) by a bearing.

4. A hydropower station seepage drainage device according to claim 3, characterized in that, The debris filtering assembly (4) further includes: a servo motor (402) bolted to the side of the guide bracket (401); a transmission wheel (407) fixed to the power output end of the servo motor (402); and a transmission belt (408) sleeved on the surface of the transmission wheel (407). One set of the transmission wheels (407) is fixedly connected to the power output end of the servo motor (402), and another set of the transmission wheels (407) is fixedly connected to the sliding screw (404).

5. A hydropower station seepage drainage device according to claim 4, characterized in that, The side of the debris filter plate (403) is provided with a dredging component (6) for clearing the debris filter plate (403). The dredging component (6) includes: a support plate (601) arranged parallel to the side of the debris filter plate (403), and a dredging cone (605) fixed to the support plate (601) on the side facing the debris filter plate (403). The dredging cone (605) is adapted to the mesh size of the debris filter plate (403).

6. A hydropower station seepage drainage device according to claim 5, characterized in that, The gate assembly (5) includes: an inlet gate (508) opened at the connection between the water collection tank (1) and the main body of the drainage channel (201); a movable groove (503) opened at the top of the inlet gate (508) and communicating with it; and a gate body (501) that can be lifted and installed inside the movable groove (503), the gate body (501) being embedded inside the inlet gate (508).

7. A hydropower station seepage drainage device according to claim 6, characterized in that, The gate assembly (5) further includes: a lifting frame (502) welded to the side of the gate body (501); side brackets (504) slidably installed on the left and right sides of the lifting frame (502); a top bracket (506) welded to the top of the side brackets (504); a hydraulic cylinder (507) bolted to the top of the top bracket (506); and a lifting rod (505) fixed to the telescopic end of the hydraulic cylinder (507).

8. A hydropower station seepage drainage device according to claim 7, characterized in that, The bottom of the lifting rod (505) is fixedly connected to the lifting frame (502), and the lifting frame (502) moves up and down along the inner side of the side support (504).

9. A hydropower station seepage drainage device according to claim 8, characterized in that, The unblocking component (6) further includes: a connecting block (604) disposed between the support plate (601) and the gate body (501); a limiting column (606) welded to the top of the water collection tank (1); a limiting slider (603) welded to the side of the support plate (601) facing the limiting column (606); and a limiting groove (602) starting at the connection between the limiting slider (603) and the limiting column (606).

10. A smart control system for seepage drainage, applied to the hydropower station seepage drainage device as described in claims 1-9, characterized in that, include: The data acquisition unit includes a liquid level sensor (3), an inlet pressure sensor (203), and an outlet pressure sensor (204). The liquid level sensor (3) is used to collect the water level signal in the water collection tank (1), and the inlet pressure sensor (203) and the outlet pressure sensor (204) are used to collect the pressure signals at the inlet and outlet of the main body of the drainage channel (201). The control unit includes a controller disposed at the electrical output terminal of the liquid level sensor (3), the controller being used to receive data signals from the data acquisition unit; The execution unit includes a servo motor (402), a hydraulic cylinder (507), and a drain valve (8), all of which are electrically connected to the controller.

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