Water turbine speed regulation control device with real-time monitoring function

Abstract

The utility model discloses a real-time monitoring water turbine speed regulation control device which comprises a machine shell, a shaft body is installed on the outer surface of the machine shell in a penetrating mode, a generator is fixedly installed on one side of the machine shell, a real-time monitoring mechanism is arranged between the machine shell and water turbine blades, and the rotating speed of the water turbine blades is known through the real-time monitoring mechanism. And the specific rotating speed can be obtained conveniently when the water flow is adjusted, so that the electric quantity generated by the generator is obtained. According to the water turbine speed regulation control device with the real-time monitoring function, when water enters the machine shell and impulses the water turbine blades to rotate, the water turbine blades rotate to drive the magnetic sheets to rotate together, the magnetic sheets rotate around the shaft body, the passing speed of the magnetic sheets is detected through the magnetic attraction sensor, and therefore the real-time rotating speed of the water turbine blades is obtained; the water inlet amount of the water inlet pipe can be conveniently adjusted by monitoring the real-time rotating speed of the water turbine blade, and adjustment becomes simple and accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of water turbines, in particular to a water turbine speed regulation control device for real-time monitoring. Background Technique

[0002] A water turbine is a machine that converts the energy of water flow into rotational mechanical energy. It usually consists of a runner and a connected generator. When water flow passes through the water turbine, the kinetic energy and potential energy of the water flow are converted into the mechanical energy of the runner, thereby driving the generator to rotate and generate electric energy. The main function of the water turbine governor is to adjust the water flow entering the water turbine according to the increasing trend of the generator load, so that the output of the water turbine can adapt to the external load, and keep the rotational speed of the water turbine stable within the rated range. At this time, it is necessary to control the rotational speed of the water turbine to adjust the power generation of the water turbine. However, when adjusting, the flow rate entering the water turbine is often adjusted by turning a handwheel, which is very inconvenient and difficult to adjust to the required water flow rate according to the demand. Content of the Utility Model

[0003] The purpose of the utility model is to provide a water turbine speed regulation control device for real-time monitoring, so as to solve the problem that it is very inconvenient and inaccurate to adjust the water flow rate by a handwheel in the above-mentioned background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A water turbine speed regulation control device for real-time monitoring, including a machine shell. A shaft body is installed through the outer surface of the machine shell, and the shaft body is rotatably connected to the machine shell. A water turbine blade is fixedly installed on the outer surface of the shaft body, and the water turbine blade is located inside the machine shell, and the inner surface of the machine shell does not fit with the outer surface of the water turbine blade. A generator is fixedly installed on one side of the machine shell, and the rotating shaft of the generator is concentric with the shaft body. A real-time monitoring mechanism is arranged between the machine shell and the water turbine blade. By means of the real-time monitoring mechanism, the rotation speed of the water turbine blade can be understood, which is convenient for obtaining the specific rotation speed when adjusting the water flow rate, and thus obtaining the electric energy generated by the generator.

[0005] Preferably, the real-time monitoring mechanism includes: a magnetic sheet, the magnetic sheet is fixedly installed at one end of the water turbine blade away from the generator, and the water turbine blade has good dynamic balance after installing the magnetic sheet. A magnetic adsorption sensor is installed on the machine shell away from the coupling in a threaded manner, and the magnetic adsorption sensor is aligned with the magnetic sheet.

[0006] With the above technical solution, the water entering the interior of the casing drives the turbine blades to rotate. The rotation of the turbine blades drives the magnetic disk to rotate. The number of times the magnetic disk passes is detected by the magnetic adsorption sensor on one side of the casing, so as to obtain the rotation speed of the turbine blades, and then the number of rotation cycles transmitted to the generator is obtained, and thus the power generation of the generator is calculated. By adjusting the water flow rate entering the casing, the real-time rotation speed of the turbine blades can be obtained.

[0007] Preferably, a water inlet pipe is penetrated through the side surface of one end of the casing far from the magnetic adsorption sensor, and a bent pipe is fixedly installed on the outer surface of the water inlet pipe. One end of the bent pipe is connected to the main valve. An arc surface is arranged on one side of the casing close to the bent pipe, and the arc surface of the casing and the turbine blades are concentrically designed.

[0008] With the above technical solution, when the water sprays into the interior of the casing, it will impact and rotate the turbine blades for the first time. At the same time, the water flow will impact the turbine blades for the second time through the arc surface of the casing, so that the sprayed water can impact the turbine blades twice, and the potential energy of the sprayed water can be fully utilized.

[0009] Preferably, a rotation extrusion mechanism is arranged between the bent pipe and the water inlet pipe. The water flow rate entering the casing is controlled by the rotation extrusion mechanism, and the adjustment is carried out quickly and accurately in cooperation with the real-time monitoring of the magnetic disk and the magnetic adsorption sensor.

[0010] With the above technical solution, the distance between the blocking rod and the nozzle plug can be accurately adjusted by the rotation of the servo motor, so that the water can be sprayed out through the nozzle plug to adjust the rotation speed of the turbine blades. In cooperation with the magnetic disk and the magnetic adsorption sensor, the real-time rotation speed of the turbine blades can be obtained, and the rotation speed of the turbine blades can be accurately adjusted remotely.

[0011] Preferably, the rotation extrusion mechanism includes: a mounting frame, which is fixedly installed on the outer surface of the bent pipe. The bent pipe and the water inlet pipe are concentrically designed, and the water inlet pipe and the mounting frame are concentrically designed. A transmission rod is rotatably installed on the outer surface of the mounting frame. The transmission rod penetrates through the outer surface of the bent pipe, and the bent pipe and the transmission rod are rotatably connected. A servo motor is fixedly installed at one end of the mounting frame far from the bent pipe, and the output end of the servo motor is inserted into the transmission rod. A blocking rod is clamped and installed inside the bent pipe, and the blocking rod is slidably connected to the bent pipe. One end of the blocking rod is threadedly connected to the transmission rod. A nozzle plug is fixedly installed inside the water inlet pipe, and the nozzle plug and the water inlet pipe are concentrically designed. One end of the blocking rod is attached to the outer surface of the nozzle plug, and the inside of the nozzle plug is inclined, and one end of the blocking rod is inserted into the nozzle plug.

[0012] By adopting the above technical solution, the real-time rotation speed of the water turbine blade can be observed in the control room, and the servo motor can be adjusted to drive the transmission rod to rotate, so that the transmission rod drives the plug rod to move up and down, adjust the distance between the nozzle plug and the plug rod, and adjust the water flow rate to increase or decrease the rotation speed of the water turbine blade.

[0013] Preferably, the outer surface of the rotating shaft at both ends of the generator is penetrated and installed with a support base, and the support base is rotationally connected to the rotating shaft of the generator. One end of the shaft body away from the magnetic sensor is fixedly installed with a coupling, and the coupling is connected to the rotating shaft of the generator.

[0014] By adopting the above technical solution, the support base can support the rotor of the generator, fix the stator and rotor of the generator, maintain the distance between the stator and rotor of the generator, and at the same time, when overhauling the water turbine blade or the generator, the shaft body can be separated from the rotating shaft of the generator through the coupling.

[0015] Preferably, a brake disc is fixedly installed at one end of the generator away from the support base, and the brake disc is concentrically designed with the generator. One end of the outer surface of the support base is fixedly installed with a brake, and a part of the brake disc is located inside the brake.

[0016] By adopting the above technical solution, when the rotation speed of the water turbine blade is too fast or power-off is required for shutdown, the water turbine blade can be quickly stopped or the speed can be reduced through the friction between the brake and the brake disc, so that the rotation speed of the water turbine is within the limited rotation speed range.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows: The water turbine speed regulation control device based on real-time monitoring:

[0018] 1. When water enters the inside of the casing and impels the water turbine blade to rotate, the magnetic sheet rotates together with the rotation of the water turbine blade, so that the magnetic sheet rotates around the shaft body. The passing speed of the magnetic sheet is detected by the magnetic attraction sensor, so as to obtain the real-time rotation speed of the water turbine blade. By monitoring the real-time rotation speed of the water turbine blade, it is convenient to adjust the water inflow of the water inlet pipe, making the adjustment simple and accurate;

[0019] 2. The servo motor is fixed on the outer surface of the elbow pipe through the mounting frame. Then, by monitoring the real-time rotation speed of the water turbine blade, the rotation of the servo motor drives the transmission rod to rotate. The rotation of the transmission rod pushes out the plug rod, so that the plug rod is pushed out along the direction of the elbow pipe to control the distance between the nozzle plug and the plug rod, and remotely control the water output of the water inlet pipe to adjust the rotation speed of the water turbine blade;

[0020] 3. Connect the shaft body to the generator through a coupling, which can eliminate the misalignment gap between the shaft body and the generator and facilitate disassembly and maintenance. Monitor the speed of the magnetic disk rotating one circle through a magnetic sensor to obtain the rotation speed of the water turbine blade. When the rotation speed of the water turbine blade is too high, the brake will be activated to clamp the brake disc, and the friction generated by the clamping of the brake disc and the brake will reduce the speed of the water turbine blade, keeping the speed of the water turbine blade within the specified range. Brief Description of the Drawings

[0021] Figure 1 Schematic three-dimensional structure diagram of the casing and the generator of the present utility model;

[0022] Figure 2 Schematic three-dimensional structure diagram of the brake and the brake disc of the present utility model;

[0023] Figure 3 Schematic three-dimensional sectional structure diagram of the casing and the water turbine blade of the present utility model;

[0024] Figure 4 Schematic three-dimensional sectional structure diagram of the elbow pipe and the nozzle plug of the present utility model;

[0025] Figure 5 Schematic three-dimensional sectional structure diagram of the magnetic disk and the magnetic sensor of the present utility model;

[0026] Figure 6 Schematic three-dimensional sectional structure diagram of the elbow pipe and the water inlet pipe of the present utility model.

[0027] In the figure: 1. Casing; 2. Water turbine blade; 3. Shaft body; 4. Elbow pipe; 5. Water inlet pipe; 6. Nozzle plug; 7. Blocking rod; 8. Mounting bracket; 9. Transmission rod; 10. Servo motor; 11. Magnetic disk; 12. Magnetic sensor; 13. Coupling; 14. Generator; 15. Brake; 16. Brake disc; 17. Support base. Detailed Description of the Preferred Embodiment

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figures 1-6, the utility model provides a technical solution: a real-time monitoring hydroturbine speed control device, including a casing 1, a shaft body 3 is installed through the outer surface of the casing 1, and the shaft body 3 is rotatably connected to the casing 1. A hydroturbine blade 2 is fixedly installed on the outer surface of the shaft body 3, and the hydroturbine blade 2 is located inside the casing 1, and the inner surface of the casing 1 does not fit with the outer surface of the hydroturbine blade 2. A generator 14 is fixedly installed on one side of the casing 1, and the rotating shaft of the generator 14 is concentrically designed with the shaft body 3. A real-time monitoring mechanism is arranged between the casing 1 and the hydroturbine blade 2. By the real-time monitoring mechanism, the rotation speed of the hydroturbine blade 2 can be understood, so that the specific rotation speed can be obtained when adjusting the water flow, and the power generated by the generator 14 can be obtained. The real-time monitoring mechanism includes: a magnetic sheet 11, the magnetic sheet 11 is fixedly installed at one end of the hydroturbine blade 2 away from the generator 14, and the hydroturbine blade 2 has good dynamic balance after installing the magnetic sheet 11. A magnetic sensor 12 is installed on the threaded end of the casing 1 away from the coupling 13, and the magnetic sensor 12 is aligned with the magnetic sheet 11.

[0030] After water enters the inside of the casing 1 through the elbow 4 and the water inlet pipe 5, it will push the hydroturbine blade 2 to rotate, so that the hydroturbine blade 2 drives the magnetic sheet 11 to rotate around the shaft body 3. The real-time rotation speed of the hydroturbine blade 2 is obtained by monitoring the passing time of the magnetic sheet 11 by the magnetic sensor 12, so as to facilitate the monitoring of the real-time rotation speed of the hydroturbine blade 2.

[0031] A water inlet pipe 5 is arranged through the side surface of one end of the casing 1 away from the magnetic sensor 12, and an elbow 4 is fixedly installed on the outer surface of the water inlet pipe 5, and one end of the elbow 4 is connected to the main valve. An arc surface is arranged on one side of the casing 1 close to the elbow 4, and the arc surface of the casing 1 is concentrically designed with the hydroturbine blade 2.

[0032] When the water is discharged from the spray head plug 6, it can impact the hydroturbine blade 2 for the first time. Then the water will continue to fall and drain outwards along the arc surface inside the casing 1, impacting the hydroturbine blade 2 for the second time, so that the hydroturbine blade 2 can rotate faster and more smoothly, and at the same time, the sprayed water can be fully utilized.

[0033] A rotating extrusion mechanism is arranged between the elbow pipe 4 and the water inlet pipe 5. The flow rate of the water entering the casing 1 is controlled by the rotating extrusion mechanism, and it is adjusted quickly and accurately in cooperation with the real-time monitoring of the magnetic sheet 11 and the magnetic adsorption sensor 12. The rotating extrusion mechanism includes: a mounting frame 8, which is fixedly installed on the outer surface of the elbow pipe 4. The elbow pipe 4 and the water inlet pipe 5 are concentrically designed, and the water inlet pipe 5 and the mounting frame 8 are concentrically designed. A transmission rod 9 is rotatably installed on the outer surface of the mounting frame 8, and the transmission rod 9 penetrates through the outer surface of the elbow pipe 4, and the elbow pipe 4 is rotatably connected to the transmission rod 9. One end of the mounting frame 8 away from the elbow pipe 4 is fixedly installed with a servo motor 10, and the output end of the servo motor 10 is inserted into the transmission rod 9. A blocking rod 7 is snap-fitted inside the elbow pipe 4, and the blocking rod 7 is slidably connected to the elbow pipe 4. One end of the blocking rod 7 is threadedly connected to the transmission rod 9. A nozzle plug 6 is fixedly installed inside the water inlet pipe 5, and the nozzle plug 6 and the water inlet pipe 5 are concentrically designed. One end of the blocking rod 7 is in contact with the outer surface of the nozzle plug 6, and the inside of the nozzle plug 6 is inclined, and the nozzle plug 6 is inserted into one end of the blocking rod 7.

[0034] Through the mounting frame 8, the servo motor 10 can be stably fixed on the outer surface of the elbow pipe 4, and by remotely controlling the rotation of the servo motor 10 to drive the transmission rod 9 to rotate, the blocking rod 7 connected to the transmission rod 9 slides inside the elbow pipe 4. Controlling the distance between the blocking rod 7 and the nozzle plug 6 can control the water volume and pressure sprayed by the nozzle plug 6, so that the rotation speed of the water turbine blade 2 can be adjusted and controlled. And through the magnetic sheet 11 and the magnetic adsorption sensor 12, the rotation speed of the water turbine blade 2 is monitored and observed in real time, and the rotation of the servo motor 10 is remotely controlled to adjust the water inflow of the water inlet pipe 5, making the adjustment more convenient and accurate.

[0035] The outer surface of the rotating shafts at both ends of the generator 14 penetrates through and is installed with a support base 17, and the support base 17 is rotatably connected to the rotating shaft of the generator 14. One end of the shaft body 3 away from the magnetic adsorption sensor 12 is fixedly installed with a coupling 13, and the coupling 13 is connected to the rotating shaft of the generator 14.

[0036] Through the support base 17, the rotor of the generator 14 can be fixed, so that the stator and rotor of the generator 14 will not touch or deviate from each other. At the same time, through the coupling 13, the connection between the generator 14 and the water turbine blade 2 can be disconnected, which is convenient for maintenance and repair. At the same time, the difference between the rotating shaft of the generator 14 and the shaft body 3 can be corrected.

[0037] One end of the generator 14 away from the support base 17 is fixedly installed with a brake disc 16, and the brake disc 16 and the generator 14 are concentrically designed. One end of the outer surface of the support base 17 is fixedly installed with a brake 15, and a part of the brake disc 16 is located inside the brake 15.

[0038] The real-time rotational speed of the water turbine blade 2 is monitored through the magnetic disk 11 and the magnetic attraction sensor 12. When the rotational speed of the water turbine blade 2 is too high, the brake 15 will be activated to hold the brake disc 16, and the rotational speed of the water turbine blade 2 is reduced through the frictional force between the brake disc 16 and the brake 15, so that the water turbine blade 2 is maintained within the limited rotational speed range.

[0039] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A real-time monitoring hydroturbine speed control device, comprising a casing (1), the outer surface of the casing (1) is penetrated and installed with a shaft body (3), and the shaft body (3) is rotatably connected to the casing (1). The outer surface of the shaft body (3) is fixedly installed with hydroturbine blades (2), and the hydroturbine blades (2) are located inside the casing (1), and the inner surface of the casing (1) does not fit the outer surface of the hydroturbine blades (2). One side of the casing (1) is fixedly installed with a generator (14), and the rotating shaft of the generator (14) is concentrically designed with the shaft body (3), and its characteristics are as follows: A real-time monitoring mechanism is provided between the casing (1) and the water turbine blade (2). By means of the real-time monitoring mechanism, the rotation speed of the water turbine blade (2) can be understood, so that the specific rotation speed can be obtained when adjusting the water flow rate, and the power generated by the generator (14) can be obtained.

2. The real-time monitoring hydroturbine governing control device according to claim 1, characterized in that: The real-time monitoring mechanism includes: a magnetic sheet (11), which is fixedly installed at one end of the water turbine blade (2) away from the generator (14). After the magnetic sheet (11) is installed on the water turbine blade (2), the dynamic balance is good. The magnetic sensor (12) is threadedly installed at one end of the casing (1) away from the coupling (13), and the magnetic sensor (12) is aligned with the magnetic sheet (11).

3. The real-time monitoring hydroturbine governing control device according to claim 1, characterized in that: A water inlet pipe (5) penetrates through the side surface of one end of the casing (1) away from the magnetic sensor (12). A bent pipe (4) is fixedly installed on the outer surface of the water inlet pipe (5), and one end of the bent pipe (4) is connected to the main valve. An arc surface is provided on one side of the casing (1) near the bent pipe (4), and the arc surface of the casing (1) and the water turbine blade (2) are concentrically designed.

4. The real-time monitoring hydroturbine governing control device according to claim 3, characterized in that: A rotating extrusion mechanism is provided between the bent pipe (4) and the water inlet pipe (5). By means of the rotating extrusion mechanism, the water flow rate entering the casing (1) is controlled, and the adjustment is carried out quickly and accurately in cooperation with the real-time monitoring of the magnetic sheet (11) and the magnetic sensor (12).

5. The real-time monitoring hydroturbine governing control device according to claim 4, characterized in that: The rotating extrusion mechanism includes: a mounting frame (8), which is fixedly installed on the outer surface of the bent pipe (4). The bent pipe (4) and the water inlet pipe (5) are concentrically designed, and the water inlet pipe (5) and the mounting frame (8) are concentrically designed. A transmission rod (9) is rotatably installed on the outer surface of the mounting frame (8), and the transmission rod (9) penetrates through the outer surface of the bent pipe (4), and the bent pipe (4) is rotatably connected to the transmission rod (9). A servo motor (10) is fixedly installed at one end of the mounting frame (8) away from the bent pipe (4), and the output end of the servo motor (10) is inserted into the transmission rod (9). A blocking rod (7) is snap-fitted inside the bent pipe (4), and the blocking rod (7) is slidably connected to the bent pipe (4). One end of the blocking rod (7) is threadedly connected to the transmission rod (9). A nozzle plug (6) is fixedly installed inside the water inlet pipe (5), and the nozzle plug (6) and the water inlet pipe (5) are concentrically designed. One end of the blocking rod (7) is attached to the outer surface of the nozzle plug (6), and the inside of the nozzle plug (6) is inclined, and one end of the nozzle plug (6) is inserted into the blocking rod (7).

6. The real-time monitoring hydroturbine governing control device according to claim 1, characterized in that: Support bases (17) are penetrated and installed on the outer surfaces of the rotating shafts at both ends of the generator (14), and the support bases (17) are rotatably connected to the rotating shafts of the generator (14). A coupling (13) is fixedly installed at one end of the shaft body (3) away from the magnetic sensor (12), and the coupling (13) is connected to the rotating shaft of the generator (14).

7. The real-time monitoring hydroturbine governing control device according to claim 1, characterized in that: One end of the generator (14) far from the support base (17) is fixedly installed with a brake disc (16), and the brake disc (16) is concentrically designed with the generator (14). One end outer surface of the support base (17) is fixedly installed with a brake (15), and a part of the brake disc (16) is located inside the brake (15).

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