A water power plant water-flooded plant warning emergency device

Abstract

The present application relates to the field of waterlogging warning, especially to a water and electricity plant waterlogging plant warning emergency device, comprising a rotating assembly, a driving part rotatable in anticlockwise and clockwise directions and a pressing part arranged on the side of the driving part; and a rotating assembly arranged on one side of the rotating assembly. When the overall weight of the buoy exceeds the buoyancy due to the water entering the buoy, the buoy will descend under the action of gravity, and the buoy will drive the pushing part to rotate and accumulate elastic potential energy during the descending process. When the water in the buoy is discharged, the buoy will rapidly float up under the action of buoyancy, and the elastic potential energy of the pushing part will be released to drive the impeller to rotate rapidly, thereby emitting an alarm sound to warn the staff to take emergency measures to prevent the equipment from being soaked and damaged due to waterlogging.

Description

Technical Field

[0001] This invention relates to the field of flood warning, and in particular to an emergency warning device for flooded power plant buildings. Background Technology

[0002] In the safe operation and management of hydropower plants, it is necessary to prevent the plant from being flooded due to various factors. At present, the warning and emergency equipment for flooded plant buildings in the industry mainly relies on traditional water level alarms. These devices usually provide early warnings based on water level height thresholds, such as float-type water level switches and pressure sensor-type water level monitoring devices.

[0003] The common working principle of water level alarms is as follows: when the water level rises to a preset warning line, an audible and visual alarm system is activated by mechanical contacts or a change in electrical signal. Some high-end devices can also be linked to emergency drainage devices. These devices can play a relatively effective warning role in dealing with sudden floods or rapid rises in water level within a short period of time, buying valuable emergency response time for hydropower plants.

[0004] However, during the rainy season in the south or the snowmelt season in the north, the water level often remains near the height of the equipment foundation for several hours or even days. At this time, the water flow will carry a large amount of garbage and block the drainage system, causing the drainage system to become less efficient. Water will gradually accumulate in the factory. If the water level does not reach the warning level of the water level alarm, the water level alarm will usually not sound an alarm. However, if the water level remains high for a long time, even if it does not reach the alarm threshold of the traditional alarm, the continuous soaking will cause the insulation performance of electrical equipment to deteriorate and the corrosion of metal components to accelerate. In severe cases, it may cause short circuit faults or structural safety problems. Summary of the Invention

[0005] Therefore, the technical problem to be solved by the present invention is that existing water level warning devices rely only on a single water level height threshold and cannot identify the risk of long-term immersion in low water levels.

[0006] The above-mentioned technical problems are solved by the following technical solution: This invention proposes an emergency warning device for flooded power plant buildings, which includes a rotating assembly, including a driving component that can rotate in both counterclockwise and clockwise directions, and a pressing component disposed on the side of the driving component; and,

[0007] A rotating component disposed on one side of the rotating component; wherein...

[0008] When the drive component rotates counterclockwise, it pushes the pressing component to one side of the rotating assembly. When the drive component rotates clockwise, it drives the pressing component and the rotating assembly to rotate clockwise together.

[0009] In a preferred embodiment of the flood warning and emergency device for hydropower plant buildings described in this invention: the driving component includes a rotating wheel and a pushing component disposed on the inner wall of the rotating wheel; wherein,

[0010] The pusher has a first end and a second end, the width of the first end is greater than the width of the second end, and the first end of the pusher is provided with a fixed wheel.

[0011] In a preferred embodiment of the flood warning and emergency device for hydropower plant buildings described in this invention: the pressing component includes a movable disc, a sliding rod disposed on the side of the movable disc near the rotating wheel, an elastic element sleeved on the sliding rod, and a slant plate disposed on the side of the movable disc near the rotating wheel; wherein,

[0012] The thickness of the first end of the pusher is greater than the distance between the moving disk and the swashplate.

[0013] In a preferred embodiment of the flood warning and emergency device for hydropower plant buildings described in this invention: a connecting hole is provided on the side of the rotating wheel near the moving disk, the sliding rod is disposed on the inner wall of the connecting hole, the sliding rod can slide along the inner wall of the connecting hole, and the elastic element is disposed between the connecting hole and the sliding rod.

[0014] In a preferred embodiment of the flood warning and emergency device for hydropower plant buildings described in this invention: the fixed wheel includes an I-beam wheel that contacts the outer wall of the pushing member, a limiting rod disposed between the two sides of the I-beam wheel, and a rotating shaft passing through the middle of the I-beam wheel; wherein...

[0015] The limiting rod abuts against the widest first end of the pusher, and the rotating assembly can rotate around the center point of the rotating shaft. The rotating assembly includes a turntable sleeved on the outer wall of the rotating shaft and an impeller disposed on the side of the turntable away from the I-beam wheel.

[0016] In a preferred embodiment of the flood warning and emergency device for hydropower plant buildings described in this invention: the outer wall of the rotating shaft is connected to an installation assembly, which includes a housing, a sleeve disposed on the outer wall of the top of the housing, a volute disposed on the inner wall of the sleeve, a through hole opened on the outer wall of the volute, a circular hole opened on the side of the volute facing the outer wall of the housing, water inlets opened on the left and right sides of the housing, cylindrical channels opened on the left and right sides of the inner wall of the housing, and a counterweight block slidably connected to the inner wall of the cylindrical channel.

[0017] The outer wall of the rotating wheel is provided with a groove on the side near the inner wall of the outer shell. The sleeve is located at one end of the outer shell and is fixedly connected to the inner wall of the groove. The rotating shaft passes through the middle of the volute.

[0018] In a preferred embodiment of the flood warning and emergency device for hydropower plant buildings described in this invention: the impeller is located on the inner wall of the volute, the turntable is located at one end near the impeller, a timing belt is connected to the top of the counterweight, and toothed blocks are provided on the outer wall of the impeller, with the timing belt meshing with the toothed blocks.

[0019] In a preferred embodiment of the flood warning and emergency device for hydropower plant buildings described in this invention: it further includes a floating component disposed on the inner wall of the cylindrical channel, wherein the two ends of the timing belt are rotatably connected to the top of the counterweight block and the top of the floating component, respectively; the floating component includes a float slidably connected to the inner wall of the cylindrical channel, an mounting ring disposed on the inner wall of the float, a sliding column disposed on the inner wall of the mounting ring and penetrating the upper and lower sides of the float, and a trigger column disposed on the upper and lower sides of the sliding column.

[0020] In a preferred embodiment of the flood warning and emergency device for hydropower plant buildings described in this invention: the outer wall of the sliding column is provided with a friction layer, the top of the float is provided with a handle, and the outer wall of the handle is connected to the end of the timing belt.

[0021] In a preferred embodiment of the flood warning and emergency device for hydropower plant buildings described in this invention: a limiting component is provided on the inner wall of the cylindrical channel, the limiting component including a top plate and a slot provided at one end of the top plate.

[0022] The beneficial effects of this invention are as follows: when the overall weight of the pontoon exceeds the buoyancy due to water accumulation, the pontoon will descend under the action of gravity. During the descent, the pontoon drives the propulsion component to rotate and accumulates elastic potential energy. When the water inside the pontoon is discharged, the pontoon rises rapidly under the action of buoyancy. The elastic potential energy of the propulsion component is released, which drives the impeller to rotate rapidly, thereby emitting an alarm sound to alert the staff to take emergency measures to prevent the equipment from being damaged by moisture due to water immersion. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments of the present invention will be briefly described below. Obviously, the drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention. Wherein:

[0024] Figure 1 This invention provides an external three-dimensional view of the overall structure of an emergency warning device for flooded power plant buildings according to the present invention.

[0025] Figure 2 This diagram shows the internal structure of an emergency warning device for flooded power plant buildings according to the present invention.

[0026] Figure 3A schematic diagram of the overall structure of the driving component, pressing component, and rotating assembly of the present invention is shown.

[0027] Figure 4 The present invention is shown Figure 3 A sectional view from the front;

[0028] Figure 5 A schematic diagram of the specific structure of the rotating assembly of the present invention is shown;

[0029] Figure 6 The present invention is shown Figure 5 A sectional view from the side;

[0030] Figure 7 The present invention is shown Figure 5 A sectional view from the front;

[0031] Figure 8 A schematic diagram of the specific structure of the driving component of the present invention is shown;

[0032] Figure 9 A schematic diagram of the specific structure of the pressing component of the present invention is shown;

[0033] Figure 10 A schematic diagram of the specific structure of the fixed wheel of the present invention is shown;

[0034] Figure 11 A schematic diagram of the specific structure of the rotating component of the present invention is shown;

[0035] Figure 12 A schematic diagram of the specific structure of the mounting component of the present invention is shown;

[0036] Figure 13 A schematic diagram of the specific structure of the volute of the present invention is shown;

[0037] Figure 14 A schematic diagram of the counterweight block of the present invention is shown;

[0038] Figure 15 A connection diagram of the limiting component and the floating component of the present invention is shown;

[0039] Figure 16 A cross-sectional view of the floating component of the present invention is shown;

[0040] In the diagram: 100, Rotating assembly; 101, Driving component; 101-1, Rotating wheel; 101-2, Pushing component; 101-3, Connecting hole; 101-4, Tooth block; 101-5, Groove; 102, Pressing component; 102-1, Moving disk; 102-2, Slide rod; 102-3, Elastic component; 102-4, Swashplate; 103, Fixed wheel; 103-1, I-beam wheel; 103-2, Limiting rod; 103-3, Rotating shaft; 200, Rotating assembly; 201, Rotating wheel... 202. Disc; 300. Impeller; 301. Mounting assembly; 302. Housing; 303. Sleeve; 304. Volute; 305. Through hole; 306. Round hole; 307. Water inlet; 309. Cylindrical channel; 310. Timing belt; 400. Counterweight; 401. Floating assembly; 402. Float; 403. Sliding column; 404. Actuating column; 405. Friction layer; 406. Handle; 500. Limiting assembly; 501. Top plate; 502. Groove. Detailed Implementation

[0041] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0042] The terminology used in this invention is that which is currently widely used in the art in consideration of the function of the invention; however, these terms may vary according to the intent of those skilled in the art, precedent, or new technology in the art. Furthermore, specific terms may be chosen by the applicant, and in such cases, their detailed meanings will be described in the detailed description of the invention. Therefore, the terms used in this specification should not be construed as simple names, but rather based on their meanings and the overall description of the invention.

[0043] Reference Figures 1 to 16 This embodiment provides an emergency warning device for flooded power plant buildings, including a rotating assembly 100, comprising a drive member 101 that can rotate counterclockwise and clockwise, and a pressing member 102 disposed on the side of the drive member 101; and a rotating assembly 200 disposed on one side of the rotating assembly 100; wherein, when the drive member 101 rotates counterclockwise, it pushes the pressing member 102 to one side of the rotating assembly 200, and when the drive member 101 rotates clockwise, it drives the pressing member 102 and the rotating assembly 200 to rotate clockwise together. It should be noted that when the rotating assembly 200 rotates, it will sound an alarm to warn the staff to carry out drainage work.

[0044] The driving component 101 includes a rotating wheel 101-1 and a pushing component 101-2 disposed on the inner wall of the rotating wheel 101-1; wherein,

[0045] The pusher 101-2 has a first end and a second end, the width of the first end being greater than the width of the second end. A fixed wheel 103 is provided at the first end of the pusher 101-2. It should be noted that the second end of the pusher 101-2 is welded and fixed to the rotating wheel 101-1. Figure 8 As shown, the pusher 101-2 is a variable cross-section helical spring made of spring steel, using 65Mn spring steel. The width of the first end is 4mm and the width of the second end is 2mm. When the rotating wheel 101-1 rotates clockwise, the wide end of the spring is blocked by the limiting rod 103-2, forcing the spring body to expand radially.

[0046] It should also be noted that because the pusher 101-2 is elastic, when the wheel 101-1 rotates counterclockwise for a certain period of time and then the wheel 101-1 is released, the pusher 101-2 will rebound. At this time, the force stored in the pusher 101-2 will push the wheel 101-1 to rotate clockwise quickly.

[0047] The pressing component 102 includes a movable disk 102-1, a slide rod 102-2 disposed on the side of the movable disk 102-1 near the rotating wheel 101-1, an elastic member 102-3 sleeved on the slide rod 102-2, and a swashplate 102-4 disposed on the side of the movable disk 102-1 near the rotating wheel 101-1; wherein, the thickness of the first end of the pushing member 101-2 is greater than the distance between the rotating wheel 101-1 and the swashplate 102-4. It should be noted that when the rotating wheel 101-1 rotates counterclockwise, it will drive... The pusher 101-2 rotates counterclockwise in sync. At this time, the pusher 101-2 will expand outward and the first end of the pusher 101-2 will move toward the swashplate 102-4. Since the side of the swashplate 102-4 facing the pusher 101-2 gradually thickens from the center outward, when the first end of the pusher 101-2 contacts the swashplate 102-4, the first end will gradually squeeze the swashplate 102-4, thereby causing the moving disk 102-1 to move away from the rotating wheel 101-1.

[0048] A connecting hole 101-3 is provided on the side of the rotating wheel 101-1 near the moving disk 102-1. A slide rod 102-2 is disposed on the inner wall of the connecting hole 101-3 and can slide along the inner wall of the connecting hole 101-3. An elastic element 102-3 is disposed between the connecting hole 101-3 and the slide rod 102-2. For example... Figure 8 As shown, the rotating wheel 101-1 is annular with a central hole in the middle, and the pushing member 101-2 is located inside the central hole.

[0049] It should be noted that the connecting hole 101-3 is a cylindrical structure with a narrow outlet and a wide interior. The slide rod 102-2 has a disk with a diameter larger than that of the slide rod 102-2 on the side away from the moving disk 102-1, so that the slide rod 102-2 forms a "T" shape. The diameter of the inside of the connecting hole 101-3 is the same as the diameter of the disk, and the disk can slide inside the connecting hole 101-3. The diameter of the outlet of the connecting hole 101-3 is smaller than the diameter of the disk. At the same time, the diameter of the outlet of the connecting hole 101-3 is the same as the diameter of the slide rod 102-2. Therefore, the disk can only slide inside the connecting hole 101-3.

[0050] It should also be noted that the elastic element 102-3 is sleeved on the outside of the slide rod 102-2. One end of the elastic element 102-3 is limited by the disc at the end of the slide rod 102-2, while the end of the elastic element 102-3 away from the disc is limited by the inner wall of the outlet of the connecting hole 101-3. That is, the elastic element 102-3 is sandwiched between the disc at the end of the slide rod 102-2 and the inner wall of the outlet of the connecting hole 101-3. When the slide rod 102-2 slides back and forth along the inside of the connecting hole 101-3, the elastic element 102-3 extends and retracts synchronously. Therefore, when the moving disk 102-1 moves away from the rotating wheel 101... When the slider moves in the direction of -1, it will drive the slide rod 102-2 and the disc to move towards the outlet of the connecting hole 101-3. At this time, under the action of the inner wall at the outlet of the connecting hole 101-3, the disc on the slide rod 102-2 will simultaneously squeeze the elastic element 102-3. The elastic element 102-3 will compress and accumulate elastic potential energy in the direction close to the inner wall at the outlet of the connecting hole 101-3. When the pusher 101-2 stops squeezing the moving disc 102-1, the elastic element 102-3 will release the accumulated elastic potential energy and push the disc to reset, thereby making the moving disc 102-1 return to its original position.

[0051] It should also be noted that the elastic element 102-3 is a coil spring.

[0052] The fixed wheel 103 includes an I-beam wheel 103-1 that contacts the outer wall of the pusher 101-2, a limiting rod 103-2 disposed between the two sides of the I-beam wheel 103-1, and a rotating shaft 103-3 passing through the middle of the I-beam wheel 103-1; wherein, the limiting rod 103-2 abuts against the widest first end of the pusher 101-2, and the rotating assembly 200 can rotate around the center point of the rotating shaft 103-3. The rotating assembly 200 includes a turntable 201 sleeved on the outer wall of the rotating shaft 103-3, and a rotating disk 201 disposed on the turntable 201. Regarding the impeller 202 on the side away from the I-beam 103-1, it should be noted that the first end of the pusher 101-2 is engaged between the I-beam 103-1 and the limiting rod 103-2. When the rotating wheel 101-1 drives the second end of the pusher 101-2 to rotate counterclockwise, the first end of the pusher 101-2 will be restricted by the I-beam 103-1 and the limiting rod 103-2. At this time, the other parts of the pusher 101-2 will move in the direction of the force, and the entire pusher 101-2 will expand.

[0053] After the pusher 101-2 expands, it will push the movable disk 102-1 to move outward and contact one side of the turntable 201. At this time, if the wheel 101-1 continues to rotate counterclockwise, the turntable 201 will also rotate counterclockwise, causing the impeller 202 to rotate counterclockwise as well. When the wheel 101-1 loses the power to rotate counterclockwise, the pusher 101-2 will push the wheel 101-1 to rotate clockwise quickly. Under the action of friction, the movable disk 102-1 will drive the turntable 201 and the impeller 202 to rotate clockwise quickly.

[0054] It should be noted that the impeller 202 and the turntable 201 are integrated, and a bearing is provided in the middle of the two. The bearing is sleeved on the outer wall of the rotating shaft 103-3, so the impeller 202 and the turntable 201 can rotate on the rotating shaft 103-3.

[0055] The outer wall of the rotating shaft 103-3 is connected to a mounting assembly 300. The mounting assembly 300 includes a housing 301, a sleeve 302 disposed on the outer wall of the top of the housing 301, a volute 303 disposed on the inner wall of the sleeve 302, a through hole 304 opened on the outer wall of the volute 303, a circular hole 305 opened on the side of the volute 303 facing the outer wall of the housing 301, water inlets 306 opened on the left and right sides of the housing 301, cylindrical channels 307 opened on the left and right sides of the inner wall of the housing 301, and a sliding surface that slides against the inner wall of the cylindrical channels 307. The counterweight 310 is dynamically connected. It should be noted that the outer shell 301 is made of stainless steel 304 and has a total height of 30cm. The outer shell 301 is divided into an underground part and an above-ground part. The underground part is 15cm high and the above-ground part is 15cm high. A water inlet 306 is opened at the top of the above-ground part. The center of the water inlet 306 is 10cm vertically from the ground. When the water depth on the factory floor reaches 15cm, the water inlet 306 is submerged by 5cm. The water flows into the cylindrical channel 307 through the water inlet 306.

[0056] It should be noted that a rectangular outer wall is provided in the middle of the outer wall of the outer casing 301, and the upper part of the rectangular outer wall is the ground part. The outer casing 301 can be installed at the water inlet of the drainage pipe of the plant, so that the underground part of the outer casing 301 enters the drainage pipe. In this way, when the hydropower plant is flooded, the water will enter the cylindrical channel 307 from the water inlet 306 and be discharged into the drainage pipe through the bottom outlet of the cylindrical channel 307.

[0057] The sleeve 302 is conical in shape, and its minimum diameter is matched with the diameter of the groove 101-5. Therefore, the sleeve 302 will hold the rotating wheel 101-1 in place. The sleeve 302 is fixedly connected to the outer shell 301, so the sleeve 302 can provide sufficient support for the rotating wheel 101-1.

[0058] A groove 101-5 is formed on the outer wall of the rotating wheel 101-1 near the inner wall of the outer casing 301. The sleeve 302 is located at one end of the outer casing 301 and is fixedly connected to the inner wall of the groove 101-5. The rotating shaft 103-3 passes through the middle of the volute 303.

[0059] The impeller 202 is located on the inner wall of the volute 303, and the turntable 201 is located at one end near the rotor 101-1. The top of the counterweight 310 is connected to the timing belt 309. The outer wall of the rotor 101-1 is provided with toothed blocks 101-4. The timing belt 309 meshes with the toothed blocks 101-4. A groove is provided in the middle of the outer periphery of the rotor 101-1, and several toothed blocks 101-4 are evenly arranged in this groove, so that the middle area of ​​the outer periphery of the rotor 101-1 has a gear-like structure. Two grooves 101-5 are provided on both sides of the gear-like structure. At the same time, toothed blocks are also provided on one side of the timing belt 309. Therefore, the timing belt 309 can mesh with the middle of the outer periphery of the rotor 101-1. Pulling the timing belt 309 will make the rotor 101-1 rotate clockwise or counterclockwise.

[0060] It should be noted that when the impeller 202 rotates, it drives the airflow inside the volute 303 to undergo centrifugal motion. The air is thrown out from the center to the edge by the blades of the impeller 202, forming a high-pressure airflow at the edge of the volute 303. At the same time, a low-pressure area is formed in the central region of the impeller 202 due to the exhaust of air. External air is continuously drawn in through the circular hole 305, forming a continuous air circulation. The high-pressure airflow located at the edge of the volute 303 is thrown out of the through hole 304 by the impeller 202. When the high-pressure airflow passes through the through hole 304, it is divided into dense small air masses at the edge of the through hole 304, forming regular pressure pulses. These pressure pulses propagate in the form of sound waves, thus forming a sharp alarm sound.

[0061] It should be noted that the fixed connection between the outer wall of the volute 303 and the sleeve 302 can provide sufficient support for the volute 303.

[0062] It also includes a floating component 400 disposed on the inner wall of the cylindrical channel 307. The two ends of the timing belt 309 are rotatably connected to the top of the counterweight block 310 and the top of the floating component 400, respectively. The floating component 400 includes a float 401 slidably connected to the inner wall of the cylindrical channel 307, a mounting ring 402 disposed on the inner wall of the float 401, a sliding column 403 disposed on the inner wall of the mounting ring 402 and penetrating the upper and lower sides of the float 401, and a triggering column 404 disposed on the upper and lower sides of the sliding column 403. The float 401 is cylindrical in shape, and the upper and lower ends of the float 401 are provided with sliding holes of the same diameter. The diameter of the sliding column 403 is smaller than the diameter of the sliding hole, and the diameter of the sliding hole is larger than the diameter of the sliding column 403. At the same time, the sliding column 403 and the sliding hole are on the same axis. When the sliding column 403 moves, it will pass through the sliding hole and move to the outside of the float 401.

[0063] It should be noted that there are actuating posts 404 at both the upper and lower ends of the sliding post 403, and the diameter of the actuating post 404 is smaller than the diameter of the sliding hole.

[0064] The outer wall of the sliding column 403 is provided with a friction layer 405, and the top of the float 401 is provided with a handle 406. The outer wall of the handle 406 is connected to the end of the timing belt 309. The top of the counterweight 310 is also provided with a handle. The two ends of the timing belt 309 are respectively sleeved on the handle of the counterweight 310 and the handle 406 of the float 401.

[0065] It should be noted that, in order to prevent the sliding post 403 from moving easily, a friction layer 405 is provided on the surface of the sliding post 403. The friction layer 405 is made of rubber and has a certain degree of extensibility. A certain force is required for the sliding post 403 to slide within the mounting ring 402. At the same time, the friction layer 405 can fill the gap between the sliding post 403 and the sliding hole, thereby ensuring the sealing of the sliding hole.

[0066] A limiting component 500 is provided on the inner wall of the cylindrical channel 307. The limiting component 500 includes a top plate 501 and a slot 502 provided at one end of the top plate 501. The top plate 501 is provided on both the upper and lower sides of the float 401, and a sliding channel is provided between the two top plates 501. The float 401 is located in the sliding channel. In order to prevent the top plate 501 from blocking the movement of the timing belt 309 when the float 401 moves, a slot 502 is provided in the middle of the top plate 501. The width of the slot 502 is greater than the width of the timing belt 309.

[0067] It should be noted that when there is no water in the float 401, the weight of the counterweight 310 is greater than the weight of the float 401. The counterweight 310 will drive the right side of the timing belt 309 to move downward, and the float 401 will move upward in the cylindrical channel 307. The actuating post 404 at the top of the float 401 will collide with the top plate 501. The top plate 501 will squeeze the actuating post 404 at the top of the sliding post 403, forcing the actuating post 404 and the sliding post 403 to move downward. At this time, the sliding post 403 will block the sliding hole at the bottom of the float 401. Because the sliding post 403 has moved downward, the actuating post 404 at the top of the sliding post 403 will move to the sliding hole at the top of the float 401. Since the diameter of the sliding hole is larger than that of the actuating post 404, water will flow into the float 401 from the gap between the actuating post 404 and the sliding hole. At this time, the bottom of the sliding post 403 will extend out of the bottom of the float 401.

[0068] In summary, when the hydropower plant is flooded due to uncertain factors and the water level remains below the warning line for an extended period and cannot be drained, the height of the inlet 306 is lower than the flood warning line. When the water level reaches a certain height and fails to drop for a long time, the water will continuously flow into the cylindrical channel 307 and into the float 401 through the sliding hole at the top of the float 401. When the water level in the float 401 continues to rise, it indicates two situations: the first situation is that the water level rises and exceeds the water level warning line, triggering the water level alarm in the plant.

[0069] The second scenario is that the water level does not rise, but remains below the warning line. In this case, the weight of the float 401 will gradually exceed the weight of the counterweight 310. The float 401 will then cause the left side of the timing belt 309 to move downwards, causing the impeller 101-1 to rotate. Since the float 401 is located to the left of the impeller 101-1, the timing belt 309 will pull the impeller 101-1 to rotate counterclockwise. When the impeller 101-1 rotates counterclockwise, it will drive the second... As the end moves, the pushing component 101-2 expands outward, pushing the moving disk 102-1 to contact the turntable 201. Meanwhile, the water inside the float 401 continues to increase, causing the float 401 to descend. Eventually, the actuating column 404 at the bottom of the float 401 will contact the top plate 501 at the bottom of the cylindrical channel 307. As more water accumulates in the float 401, its weight increases, causing the float 401 to gradually move downward. The actuating column 404 at the bottom of the float 401, due to contact with the top plate 501 at the bottom of the cylindrical channel 307... When contact occurs at 501, the actuating post 404 at the bottom of the float 401 cannot move downwards. As the float 401 continues to move downwards, the actuating post 404 at the bottom of the float 401 will coincide with the sliding hole at the bottom of the float 401. At the same time, the sliding hole at the top of the float 401 will be blocked by the sliding post 403. At this time, the water inside the float 401 will be quickly discharged from the bottom of the float 401. Under the action of buoyancy and counterweight 310, the float 401 will move upwards quickly. At this time, the float 401 rises, and the pushing member 10... 1-2 also rotates rapidly clockwise under its own elasticity. At this time, the moving disk 102-1 will drive the turntable 201 and impeller 202 to rotate rapidly. The impeller 202 will push the air to hit the edge of the through hole 304. The air will be divided into dense small air masses, forming regular pressure pulses. These pressure pulses are propagated in the form of sound waves, which will form a sharp alarm sound, and then remind the workers to take emergency measures in time to speed up the water discharge speed, thereby preventing the equipment from being soaked in water for a long time and causing the equipment to be damaged by moisture.

[0070] As an alternative embodiment, an alarm device that intermittently issues an alarm is provided.

[0071] It also includes a floating component 400 disposed on the inner wall of the cylindrical channel 307. The two ends of the timing belt 309 are rotatably connected to the top of the counterweight block 310 and the top of the floating component 400, respectively. The floating component 400 includes a float 401 slidably connected to the inner wall of the cylindrical channel 307, an installation ring 402 disposed on the inner wall of the float 401, a sliding column 403 disposed on the inner wall of the installation ring 402 and penetrating the upper and lower sides of the float 401, and an actuating column 404 disposed on the upper and lower sides of the sliding column 403. As the float 401 rises, the pusher 101-2 rotates rapidly clockwise due to its own elasticity. The force of the pusher 101-2 is quickly released, and it returns to its original position. At this time, the moving disk 102-1 also returns to its original position and no longer contacts the turntable 201. Thus, the moving disk 102-1 will not interfere with the continuous rotation of the impeller 202 and the turntable 201. Subsequently, the trigger post 404 at the top of the float 401 will strike the top plate 501 at the top of the cylindrical channel 307, causing the sliding post 403 to block the sliding hole at the bottom of the float 401. The sliding hole at the top of the float 401 will then be cleared again, and the water will flow back into the float 401, repeating the rising and falling motion. This causes the impeller 202 to rotate intermittently, thus continuously alerting workers to take emergency measures as soon as possible.

[0072] As an alternative embodiment, a top plate 501 of another shape is provided, which allows water to flow more smoothly into the cylindrical channel 307.

[0073] The inner wall of the cylindrical channel 307 is provided with a limiting component 500. The limiting component 500 includes a top plate 501 and a slot 502 provided at one end of the top plate 501. The top plate 501 can be replaced with two connecting columns, with a space reserved between the two connecting columns. In this case, the area of ​​the top plate 501 will be reduced, thereby facilitating the flow of water.

[0074] Finally, it should be noted that the methods and devices described in detail above are merely embodiments, and those skilled in the art can modify these embodiments in different ways as long as they do not depart from the scope of the present invention.

Claims

1. An emergency warning device for flooded power plant buildings in a hydropower plant, characterized in that: include, The rotating assembly includes a drive member rotatable in both counterclockwise and clockwise directions, and a pressing member disposed on the side of the drive member; and, A rotating component disposed on one side of the rotating component; wherein... When the drive component rotates counterclockwise, it pushes the pressing component to one side of the rotating assembly. When the drive component rotates clockwise, it drives the pressing component and the rotating assembly to rotate clockwise together. The driving component includes a rotating wheel and a pushing component disposed on the inner wall of the rotating wheel, wherein a fixed wheel is disposed at the first end of the pushing component; The fixed wheel includes an I-beam wheel that contacts the outer wall of the pusher, and a rotating shaft that passes through the middle of the I-beam wheel; The outer wall of the rotating shaft is connected to an installation assembly, which includes a housing, a sleeve disposed on the top outer wall of the housing, a volute disposed on the inner wall of the sleeve, a through hole opened on the outer wall of the volute, a circular hole opened on the side of the volute facing the outer wall of the housing, water inlets opened on the left and right sides of the housing, cylindrical channels opened on the left and right sides of the inner wall of the housing, and a counterweight block slidably connected to the inner wall of the cylindrical channel. The outer wall of the rotating wheel is provided with a groove on the side near the inner wall of the housing, and the sleeve is fixedly connected to the inner wall of the groove at one end of the housing. The rotating shaft passes through the middle of the volute. A turntable fitted onto the outer wall of the rotating shaft is located at one end near the rotating wheel. A timing belt is connected to the top of the counterweight block. A toothed block is provided on the outer wall of the rotating wheel. The timing belt meshes with the toothed block. It also includes a floating assembly disposed on the inner wall of the cylindrical channel. The two ends of the timing belt are rotatably connected to the top of the counterweight and the top of the floating assembly, respectively. The floating assembly includes a float that is slidably connected to the inner wall of the cylindrical channel, a mounting ring disposed on the inner wall of the float, a sliding column disposed on the inner wall of the mounting ring and penetrating the upper and lower sides of the float, and a trigger column disposed on the upper and lower sides of the sliding column.

2. The flood warning and emergency device for a hydropower plant as described in claim 1, characterized in that: The pusher has a first end and a second end, wherein the width of the first end is greater than the width of the second end.

3. The emergency warning device for flooded power plant buildings according to claim 2, characterized in that: The pressing component includes a movable disk, a slide rod disposed on the side of the movable disk near the rotating wheel, an elastic element sleeved on the slide rod, and a slant plate disposed on the side of the movable disk near the rotating wheel; wherein, The thickness of the first end of the pusher is greater than the distance between the wheel and the swashplate.

4. The emergency warning device for flooded power plant buildings according to claim 3, characterized in that: The rotating wheel has a connecting hole on the side near the moving disk, the sliding rod is disposed on the inner wall of the connecting hole, the sliding rod can slide along the inner wall of the connecting hole, and the elastic element is disposed between the connecting hole and the sliding rod.

5. The flood warning and emergency device for a hydropower plant as described in claim 4, characterized in that: The fixed wheel also includes a limiting rod disposed between the two sides of the I-beam wheel, wherein... The limiting rod abuts against the widest first end of the pusher, the rotating assembly can rotate around the center point of the rotating shaft, and the rotating assembly includes an impeller disposed on the side of the turntable away from the I-beam wheel, the impeller being located on the inner wall of the volute.

6. The flood warning and emergency device for a hydropower plant as described in claim 5, characterized in that: The outer wall of the sliding column is provided with a friction layer, and the top of the float is provided with a handle, the outer wall of the handle being connected to the end of the timing belt.

7. The flood warning and emergency device for a hydropower plant building according to claim 6, characterized in that: The inner wall of the cylindrical channel is provided with a limiting component, which includes a top plate and a slot provided at one end of the top plate.

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