Underwater power generation equipment, power generation device, power generation method thereof and water power mechanism

Abstract

According to the underwater power generation equipment, the power generation device and the power generation method thereof and the water power mechanism, the power generation equipment comprises the flow guide walls, the equipment chamber, the equipment chamber fixing base and the power generation device, the supporting columns are arranged between the top and the bottom of the equipment chamber, and the multiple flow guide walls are installed at the top of the equipment chamber at intervals to form multiple water channels; each water channel is provided with a plurality of water power mechanisms, the water wheel power generation mechanism is installed in the equipment chamber, and the equipment chamber fixing base is installed at the bottom of the equipment chamber. The invention further provides a power generation method of the power generation equipment. Water flow is pressurized through the water power mechanism, pressurized water is compressed through the high-pressure water storage tank for energy storage and then conveyed to the water wheel power generation mechanism so as to generate electric energy, water flowing power is converted into mechanical energy, then the mechanical energy is converted into the electric energy, power generation can be achieved without the height difference of water, and the device is suitable for popularization.

Description

Technical Field

[0001] The present invention belongs to the technical field of underwater power generation equipment, and in particular relates to underwater power generation equipment, a power generation device and a power generation method thereof, and a hydrodynamic mechanism. Background Art

[0002] In the traditional field of hydropower generation, power generation mainly relies on the height difference of water, that is, using the potential difference of natural water sources such as rivers and waterfalls to drive the rotation of turbines, and then drive the generator to generate electricity. This method of converting the potential energy of water into mechanical energy and then converting mechanical energy into electrical energy still has the following defects in practical applications:

[0003] 1. The efficiency and power generation of hydropower are greatly affected by seasonal and climatic conditions. In the dry season or when precipitation decreases, hydropower generation will drop significantly, which directly affects the stability and reliability of power supply.

[0004] 2. There are limited places suitable for building dams. Large dam platforms may cause high water levels, flooding farmers' fields and houses on mountains. Old bridges are too low to allow ships to pass through, which limits the promotion and application of hydropower in China. In addition, the construction of hydropower facilities may also cause social and economic problems, such as resettlement of immigrants and land expropriation. Summary of the invention

[0005] In view of the technical problems existing in the above-mentioned prior art, the present invention provides an underwater power generation equipment, a power generation device and a power generation method and a hydrodynamic mechanism. The purpose is that the equipment can achieve power generation without the need for a water height difference. It mainly uses the power of the natural river water flow to increase the pressure through the hydrodynamic mechanism, and compresses the energy stored in the high-pressure water storage tank and then transmits it to the water turbine power generation mechanism to drive the turbine in the water turbine power generation mechanism to rotate, so that the pressurized water flow is converted into mechanical energy, and then the mechanical energy is converted into electrical energy through the generator. The entire process only uses the power of the river water flow to convert into electrical energy, which effectively solves the limitations and shortcomings of the prior art.

[0006] In order to achieve the above object, the specific scheme of the present invention is as follows:

[0007] A hydraulic mechanism comprises a bracket, a waterwheel, a crankshaft assembly, a piston-connecting rod assembly and a booster pump, wherein one end of the main shaft of the waterwheel is mounted on one end of the bracket, and the other end passes through the middle of the bracket to connect to one end of the crankshaft assembly, and the other end of the crankshaft assembly is mounted on the other end of the bracket. The booster pump comprises a pump casing, a cylinder sleeve, an inlet valve, an outlet valve, a valve mounting plate and a baffle plate, wherein the two ends of the cylinder sleeve are respectively mounted on the top and bottom of the pump casing, the valve mounting plate is mounted on the upper part of the cylinder sleeve to divide the cylinder sleeve into an upper chamber and a lower chamber, the baffle plate divides the upper chamber into an inlet part and a outlet part, the inlet valve is located at the inlet part and is mounted on one side of the bottom of the valve mounting plate, the outlet valve is located at the outlet part and is reversely mounted on the other side of the top of the valve mounting plate, a booster pump inlet pipe and a booster pump outlet pipe are arranged on the top of the pump casing, the booster pump inlet pipe is connected to the water inlet part, and the booster pump outlet pipe is connected to the water outlet part, one end of the piston-connecting rod assembly is mounted on the crankshaft assembly, and the other end passes through the pump casing and is movably connected in the lower chamber.

[0008] Furthermore, the piston-connecting rod assembly includes a piston head, a piston ring, a connecting rod, a piston pin and a piston pin retaining ring. The piston ring is sleeved on the piston head. The top and bottom of the connecting rod are respectively provided with a connecting rod bearing 1 and a connecting rod bearing 2 for connecting the crankshaft. The piston pin is connected to the connecting rod bearing 1 through the piston pin, and the two ends of the piston pin are respectively installed on the bottom of the piston head through the piston pin retaining ring. The size of the piston head is adapted to the size of the lower chamber.

[0009] Furthermore, the crankshaft assembly is composed of a crankshaft coupling, a crankshaft and a bearing member connected in sequence from left to right, the crankshaft coupling is connected to the main shaft of the waterwheel, and the bearing member is installed on the other end of the bracket;

[0010] The waterwheel comprises a circular baffle plate, an annular column, water blades and a main shaft of the waterwheel. The two circular baffle plates of the waterwheel are connected respectively by the annular column. The multiple water blades are inclined and are installed in a circular array in the circumferential direction of the annular column. The two ends of each water blade are respectively fixed on the circular baffle plate of the waterwheel. The main shaft of the waterwheel passes through the middle of the circular baffle plate of the waterwheel. The two ends of the main shaft of the waterwheel are respectively connected with bearing parts, and one end of the main shaft of the waterwheel is also provided with a fixing pin for connecting the waterwheel with the crankshaft coupling.

[0011] Furthermore, the bearing component comprises a bearing, a bearing cover and an oil seal. The two ends of the bearing are respectively connected to the bearing covers, and two oil seals are respectively sleeved between each bearing cover and the bearing.

[0012] Furthermore, the bracket includes X-shaped frame 1, X-shaped frame 2, X-shaped frame 3 and connecting rods, and the top and bottom ends of X-shaped frame 1, X-shaped frame 2 and X-shaped frame 3 are respectively connected by connecting rods, and the two ends of the main shaft of the waterwheel are respectively installed between X-shaped frame 1 and X-shaped frame 2, one end of the crankshaft assembly is connected to the main shaft of the waterwheel, and the other end is installed on X-shaped frame 3.

[0013] The power generation device comprises a water turbine power generation mechanism, a high-pressure water tank 1, a high-pressure water tank 2 and the above-mentioned water power mechanism, wherein the water turbine power generation mechanism comprises a bottom plate, a water turbine support seat, a flywheel support seat, a water turbine, a flywheel, a generator and a generator support seat, wherein the water turbine support seat, the flywheel support seat and the generator support seat are respectively mounted on the bottom plate, and both ends of the main shaft of the water turbine are respectively mounted on the water turbine support seat through seat bearings, a pulley 1 is mounted on one end of the main shaft of the water turbine, the flywheel is connected to a flywheel secondary shaft through a bearing, and both ends of the flywheel secondary shaft are respectively connected to a seat shaft The bearing is installed on the flywheel support seat, and the two ends of the flywheel auxiliary shaft are respectively connected with pulley two and pulley three, the generator is installed on the generator support seat, and pulley four is installed on the generator output shaft. Pulley one is connected to pulley two through conveyor belt one, and pulley three is connected to pulley four through conveyor belt two. The water inlet of the turbine is connected to the water outlet of high-pressure water storage tank one, the water inlet of high-pressure water outlet tank one is connected to the water outlet of high-pressure water storage tank two, the water inlet of high-pressure water storage tank two is connected to the water outlet pipe of the booster pump, and the water inlet pipe of the booster pump is connected to the water outlet of the turbine.

[0014] Furthermore, the high-pressure water storage tank 1 and the high-pressure water storage tank 2 are respectively provided with a water inlet and an exhaust valve at the top, and a water outlet at the bottom.

[0015] The underwater power generation equipment comprises a guide wall, an equipment room, an equipment room fixing seat and the power generation device, wherein a support column is arranged between the top and the bottom of the equipment room, a plurality of guide walls are installed at intervals on the top of the equipment room to form a plurality of water channels, a plurality of water power mechanisms are installed on each water channel, a water wheel power generation mechanism is installed in the equipment room, and the equipment room fixing seat is installed at the bottom of the equipment room.

[0016] Furthermore, each waterway is provided with a top plate on the top, and blocking walls are provided at both ends of the top plate, the blocking wall is fixed on the top of the equipment room, and an opening is provided at the top plate above the hydraulic mechanism. The guide wall, equipment room, equipment room fixing seat, top plate and blocking wall are all made of steel plate-reinforced concrete material, and the equipment room fixing seat is also filled with reinforced concrete. The number of waterways is set according to the width of the river, and the number of hydraulic mechanisms is set according to the length of the waterway.

[0017] The method for generating electricity using the underwater power generation equipment comprises the following steps:

[0018] Step 1, multiple underwater power generation equipment is installed at intervals in the river water, and the river water is divided into multiple waterways by multiple diversion walls of each underwater power generation equipment for diversion, pressurization and acceleration;

[0019] Step 2, the river water that is pressurized and accelerated in each waterway drives the waterwheel to rotate, driving the crankshaft assembly to rotate, and the crankshaft assembly drives the piston connecting rod assembly to move up and down in the lower chamber of the cylinder sleeve to control the opening or closing of the water inlet valve and the water outlet valve of the booster pump. When the piston connecting rod assembly moves upward, the piston head closes the water inlet valve of the booster pump and opens the water outlet valve of the booster pump, so that the water pressurized by the booster pump is respectively transported to the high-pressure water storage tank 1 and the high-pressure water storage tank 2 for compression, and then transported to the turbine to drive the turbine to rotate, so that the turbine drives the flywheel and the generator to rotate in turn, thereby generating electrical energy; when the piston connecting rod assembly moves downward, the piston head opens the water inlet valve of the booster pump and closes the water outlet valve of the booster pump, so that the water pressurized by the booster pump is directly transported to the turbine, so that the turbine drives the flywheel and the generator to rotate in turn, thereby generating electrical energy.

[0020] Advantages of the present invention

[0021] 1. The underwater power generation equipment of the present invention pressurizes the water flow through a hydrodynamic mechanism, and increases power compression storage through a high-pressure water storage tank to make the long-term rotation speed of the turbine balanced, and then transports the water in the high-pressure water storage tank to the water turbine power generation mechanism, thereby driving the water turbine in the water turbine power generation mechanism to rotate. The rotation of the water turbine drives the flywheel to rotate, so that the pressurized water flow is converted into mechanical energy, and then the mechanical energy is converted into electrical energy through a generator. The entire process can be converted into electrical energy using only the power of the river flow, and power generation can be achieved without the height difference of water. The underwater power generation equipment will not be affected by drought or changes in precipitation patterns. It does not need to build a large dam. It can be implemented only through the deep water of a naturally flowing river. The construction of the equipment is not restricted by location and terrain, and will not affect the travel of surface ships. The equipment is easy to build and has low maintenance costs, which solves the problems of the existing hydropower generation method that requires a height difference to generate electricity and limited dam construction sites.

[0022] 2. The underwater power generation equipment of the present invention is mainly used in deep water rivers. By dividing the river water, the natural river water is pressurized and accelerated through the waterway, and then the thrust of the accelerated river water flow is used to drive the waterwheel to rotate. The crankshaft assembly is driven to rotate by the rotation of the waterwheel, and the crankshaft assembly drives the piston connecting rod assembly to move up and down to control the opening or closing of the water inlet valve and the water outlet valve of the pressure pump. When the piston connecting rod assembly moves upward, the water inlet valve of the pressure pump is closed and the water outlet valve is opened, so that the water pressurized by the pressure pump is transported to the high-pressure water storage tank 1 and the high-pressure water storage tank 2 respectively. The high-pressure water storage tank 1 and the high-pressure water storage tank 2 are adopted to increase the power The compressed energy storage technology enables the turbine to achieve long-term speed balancing. The water passing through the high-pressure water storage tank 1 and the high-pressure water storage tank 2 is respectively transported to the turbine to drive the turbine to rotate. The pulley 1 of the turbine drives the pulley 2 on the flywheel secondary shaft to rotate through the conveyor belt 1. By increasing the secondary shaft and the flywheel, the centrifugal force of the rotation of the turbine generator mechanism is fully utilized to increase the horsepower. The pulley 3 of the secondary shaft drives the pulley 4 of the generator to rotate through the conveyor belt 2 to increase the speed to drive the turbine generator mechanism to generate electricity, thereby realizing the technology of converting the power of water flow into mechanical energy and then converting mechanical energy into electrical energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the underwater power generation device of the present invention.

[0024] Figure 2 for Figure 1 Schematic diagram of the structure of the power generation device.

[0025] Figure 3 for Figure 2 Schematic diagram of the structure of the water power mechanism.

[0026] Figure 4 for Figure 3 Schematic diagram of the structure of the water truck.

[0027] Figure 5 for Figure 2 Schematic diagram of the connection structure between the crankshaft, piston connecting rod assembly and booster pump.

[0028] Figure 6 for Figure 5 Schematic diagram of the structure of the medium pressure pump.

[0029] Figure 7 for Figure 6 Schematic diagram of the structure of the piston connecting rod assembly.

[0030] Figure 8 for Figure 1 Schematic diagram of the structure of medium and high pressure water storage tanks.

[0031] Fig. 9 for Figure 1Schematic diagram of the overhead structure of the hydro-turbine generator mechanism.

[0032] Fig.10 for Fig. 9 Schematic diagram of the structure of the turbine.

[0033] In the figure:

[0034] 1. Water power mechanism;

[0035] 100, X-frame 1; 110, X-frame 2; 120, X-frame 3; 130, connecting rod;

[0036] 200, circular baffle of waterwheel; 210, annular column; 220, water blade; 230, main shaft of waterwheel; 240, waterwheel coupling;

[0037] 300, crankshaft coupling; 310, crankshaft; 320, bearing member; 321, bearing; 322, bearing cap; 323, oil seal; 330, fixing pin;

[0038] 400, piston head; 410, piston ring; 420, connecting rod; 430, connecting rod bearing 1; 440, piston pin; 450, piston pin retaining ring; 460, connecting rod bearing 2;

[0039] 500, booster pump; 510, pump housing; 511, booster pump water inlet pipe; 512, booster pump water outlet pipe; 520, cylinder sleeve; 530, water inlet valve; 540, water outlet valve; 550, valve mounting plate; 560, water baffle; 570, upper chamber; 571, water inlet part; 572, water outlet part; 580, lower chamber;

[0040] 2. High-pressure water tank 1; 201. Water inlet; 202. Drain valve; 203. Water outlet;

[0041] 3. High-pressure water tank 2;

[0042] 4. Hydro-turbine power generation mechanism; 401. Hydro-turbine; 402. Hydro-turbine main shaft; 403. Water inlet of hydro-turbine; 404. Water outlet of hydro-turbine; 405. Bearing with seat; 406. Pulley 1; 407. Pulley 2; 408. Conveyor belt 1; 409. Flywheel; 410. Flywheel secondary shaft; 411. Generator; 412. Pulley 3; 413. Pulley 4; 414. Conveyor belt 2; 415. Hydro-turbine support seat; 416. Flywheel support seat; 417. Generator support seat; 418. Bottom plate;

[0043] 5. Diversion wall; 6. Top plate; 7. Blocking wall; 8. Waterway; 9. Equipment room; 10. Support column; 11. Equipment room fixing seat. DETAILED DESCRIPTION

[0044] The present invention is further explained and illustrated below in conjunction with the accompanying drawings and specific embodiments. It should be noted that this specific embodiment is not intended to limit the scope of rights of the present invention.

[0045] like Figures 1 to 10 As shown, this specific embodiment provides an underwater power generation equipment, a power generation device, a power generation method and a hydrodynamic mechanism that utilize the power of river water flow to convert it into mechanical energy and then convert the mechanical energy into electrical energy. The underwater power generation equipment includes a power generation device, a guide wall 5, an equipment room 6 and an equipment room fixing seat 7.

[0046] The power generation device includes a water power mechanism 1, a high-pressure water tank 1 2, a high-pressure water tank 2 3 and a water wheel power generation mechanism 4.

[0047] The hydraulic mechanism includes a bracket, a waterwheel, a crankshaft assembly, a piston connecting rod assembly and a pressure pump 500. One end of the main shaft 230 of the waterwheel is installed at one end of the bracket, and the other end passes through the middle of the bracket to connect one end of the crankshaft assembly. The other end of the crankshaft assembly is installed on the other end of the bracket.

[0048] Specifically, the bracket includes an X-shaped frame 110, an X-shaped frame 2 120, an X-shaped frame 3 130 and a connecting rod 140, and the top and bottom ends of the X-shaped frame 110, the X-shaped frame 2 120 and the X-shaped frame 3 130 are respectively connected by the connecting rod 140.

[0049] The waterwheel comprises a circular baffle plate 200, an annular column 210, water blades 220 and a main shaft 230 of the waterwheel. The two circular baffle plates 200 of the waterwheel are connected respectively by the annular column 210. The multiple water blades 220 are inclined and are installed in a circular array in the circumferential direction of the annular column 210, and the two ends of each water blade 220 are respectively fixed on the circular baffle plate 200 of the waterwheel. The main shaft 230 of the waterwheel runs through the middle of the circular baffle plate 200 of the waterwheel. The two ends of the main shaft 230 of the waterwheel are respectively connected with bearing parts 320. The crankshaft assembly is composed of a crankshaft coupling 300, a crankshaft 310 and a bearing part 320 connected in sequence from left to right. The crankshaft coupling 300 is connected to the main shaft 230 of the waterwheel, and the bearing part 320 is installed on the other end of the bracket; the function of the crankshaft assembly is to drive the piston connecting rod assembly to move up and down. The bearing member 320 includes a bearing 321, a bearing cover 322 and an oil seal 323. The two ends of the bearing 1031 are respectively connected to the bearing covers 321, and two oil seals 323 are respectively sleeved between each bearing cover 322 and the bearing 321. The function of the oil seal 323 is to seal oil and water. The function of the bearing cover 322 is to prevent water and dust. A fixing pin 330 for connecting the waterwheel with the crankshaft coupling 300 is also provided at one end of the main shaft 230 of the waterwheel.

[0050] The two ends of the main shaft 230 of the waterwheel are respectively installed between the X-frame 1 110 and the X-frame 2 120 through bearing parts 320, and the waterwheel coupling 240 is installed at one end of the main shaft 230 of the waterwheel close to the X-frame 3 130. The crankshaft coupling 300 of the crankshaft assembly is connected to the waterwheel coupling 240 through screws, and then the bearing part 320 at the other end of the crankshaft assembly is installed on the X-frame 3 130.

[0051] At least one booster pump 500 is provided. In this specific embodiment, three booster pumps 500 are provided. Each booster pump 500 includes a pump housing 510, a cylinder sleeve 520, an inlet valve 530, an outlet valve 540, a valve mounting plate 550 and a water barrier 560. The two ends of the cylinder sleeve 520 are respectively mounted on the top and bottom of the pump housing 510. The valve mounting plate 550 is mounted on the upper part of the cylinder sleeve 520 to divide the cylinder sleeve 520 into an upper chamber 570 and a lower chamber 580. The water barrier The plate 560 divides the upper chamber 570 into a water inlet part 571 and a water outlet part 572. The water inlet valve 530 is located at the water inlet part and is installed on one side of the bottom of the valve mounting plate 550. The water outlet valve 540 is located at the water outlet part and is reversely installed on the other side of the top of the valve mounting plate 550. A booster pump inlet pipe 511 and a booster pump outlet pipe 512 are provided on the top of the pump housing 510. The booster pump inlet pipe 511 is connected to the water inlet part 571, and the booster pump outlet pipe 512 is connected to the water outlet part 572.

[0052] One end of the piston connecting rod assembly is mounted on the crankshaft assembly, and the other end passes through the pump housing 510 and is movably connected in the lower chamber 580 .

[0053] The piston-connecting rod assembly includes a piston head 400, a piston ring 410, a connecting rod 420, a piston pin 440 and a piston pin retaining ring 450. The piston ring 410 is sleeved on the middle of the piston head 400. The top and bottom of the connecting rod 420 are respectively provided with a connecting rod bearing 1 430 and a connecting rod bearing 2 460 for connecting the crankshaft 310. The piston pin 440 is connected to the connecting rod bearing 1 430, and the two ends of the piston pin 440 are respectively installed on the bottom of the piston head 400 through the piston pin retaining ring 450. The size of the piston head 400 is adapted to the size of the lower chamber. The function of the piston-connecting rod assembly is to drive the piston head 400 of the piston-connecting rod assembly to move up and down in the inner cavity of the cylinder sleeve 520 through the crankshaft 310 to adjust the position of the piston head 400 to realize the opening and closing of the water inlet valve 530 and the water outlet valve 540.

[0054] Water inlets 201 are respectively arranged on the top of the high-pressure water storage tank 1 2 and the high-pressure water storage tank 2 3, and exhaust valves 202 are arranged beside the water inlets 201 of the high-pressure water storage tank 1 2 and the high-pressure water storage tank 2 3, and water outlets 203 are respectively arranged at the bottom of the high-pressure water storage tank 1 2 and the high-pressure water storage tank 2 3. The function of the exhaust valve 202 is to discharge the air in the high-pressure water storage tank 1 2 and the high-pressure water storage tank 2 3. The booster pump water inlet pipe 511 is connected to the water outlet 404 of the turbine, the booster pump water outlet pipe 512 is connected to the water inlet 201 of the high-pressure water storage tank 2 3, the water inlet 201 of the high-pressure outlet water tank 1 2 is connected to the water outlet 203 of the high-pressure water storage tank 2 3, and finally the water outlet 203 of the high-pressure water storage tank 1 2 is connected to the water inlet 403 of the turbine in the hydro-turbine power generation mechanism. The purpose of using high-pressure water storage tank 1 2 and high-pressure water storage tank 2 3 is to increase the power compression energy storage technology so that the turbine 401 can play a role in long-term speed balancing.

[0055] The water turbine power generation mechanism includes a bottom plate 415, a water turbine support seat 416, a flywheel support seat 417, a generator support seat 418, a water turbine 401, a flywheel 409 and a generator 411. The water turbine support seat 416, the flywheel support seat 417 and the generator support seat 418 are respectively installed on the bottom plate 415. The water turbine 401 can be selected from existing commercial products, the product model is HL110-WJ-30, and it comes from Guangxi Pingnan County Mingda Motor Factory. You can also choose Fig.10 The commercially available water turbine 401 shown in the figure. The two water turbine support seats 416 are respectively mounted with seat bearings 405, the water turbine 401 is located between the two seat bearings 405, and the two ends of the main shaft 402 of the water turbine are respectively mounted on the seat bearings 405 of the two water turbine support seats 416, a pulley 1 406 is mounted on one end of the main shaft 402 of the water turbine, the flywheel 409 is connected to the flywheel secondary shaft through a bearing, the two flywheel support seats 417 are respectively mounted with seat bearings 405, the two ends of the secondary shaft 410 of the flywheel are respectively mounted on the seat bearings 405 of the two flywheel support seats 417, and the two pulleys 412 and the three pulleys are respectively mounted on the two ends of the secondary shaft 410 of the flywheel. 413, the generator 411 is installed on the generator support seat 418, and a pulley four 413 is installed on the output shaft of the generator 411, the pulley one 406 is connected to the pulley two 407 through the conveyor belt one 408, and the pulley three 412 is connected to the pulley four 413 through the conveyor belt two 414, so that the flowing water after the compression and energy storage in the high-pressure water storage tank one 2 and the high-pressure water storage tank two 3 drives the turbine 401 to rotate, the turbine 401 drives the flywheel 409 to rotate, and the flywheel 409 drives the generator 411 to generate electricity, so as to realize the use of the river water flow force into mechanical energy, and the mechanical energy is converted into electrical energy through the generator 411.

[0056] The guide wall 5, the equipment room 9, the equipment room fixing seat 10, the top plate 6 and the blocking wall 7 are all made of steel plate-reinforced concrete. The steel plate-concrete composite structure is a combination of steel plate and reinforced concrete. The steel plate is usually used as an external wrapping material and reinforced concrete is poured inside. The steel bar is used as the reinforcement inside the concrete to bear the tension and provide ductility. The role of the steel plate is to provide additional compression and bending resistance, while limiting the expansion of cracks in the concrete, while the internal reinforced concrete bears the pressure.

[0057] A support column 10 is provided between the top and bottom of the equipment room 9, and a plurality of diversion walls 5 are installed at intervals on the top of the equipment room 9 to form multiple waterways. The number of waterways 8 is set according to the width of the river, and the number of water power mechanisms 1 is set according to the length of the waterway. The function of the diversion wall 5 is to guide the flow direction of the river water and increase the flow rate of the river water, so as to keep the river water energy continuously driving the waterwheel to rotate, thereby driving the crankshaft assembly, the piston connecting rod assembly, the water turbine 401, the flywheel 409 and the generator 411 to rotate in turn, so as to continuously convert the power of the river water flow into mechanical energy, and then convert the mechanical energy into electrical energy through the generator 411.

[0058] A top plate 6 is provided on the top of each waterway 8, and a blocking wall 7 is provided at both ends of the top plate 6. The width of the blocking wall 7 is the same as that of the top plate. The tops of the two blocking walls 7 are fixedly mounted on both ends of the top plate 6, and the bottoms of the two blocking walls 7 are fixedly mounted on the top of the equipment room 9. The function of the top plate 6 and the blocking wall 7 is to prevent debris from entering the waterway 8. A plurality of hydrodynamic mechanisms 1 are installed on each waterway 8, and an opening is provided at the top plate 6 above the hydrodynamic mechanism 1. The hydro-turbine generator mechanism 4 is installed in the equipment room, which is sealed to prevent river water from entering the equipment room and damaging the parts of the hydro-turbine generator mechanism. The equipment room fixing seat 11 is installed at the bottom of the equipment room 9, and reinforced concrete is filled in the equipment room fixing seat 11 to prevent the machine room from moving.

[0059] Working principle:

[0060] When in use, the above-mentioned multiple underwater power generation equipments are installed at intervals in the deep water of the river. The river water is divided into multiple waterways 8 by the multiple diversion walls 5 of each underwater power generation equipment for diversion, pressurization and acceleration. The pressurized and accelerated river water passing through each waterway 8 drives the waterwheel to rotate, and the waterwheel drives the crankshaft assembly to rotate. The crankshaft assembly drives the piston connecting rod assembly to move up and down in the lower chamber 580 of the cylinder sleeve 520 to control the opening or closing of the water inlet valve 530 and the water outlet valve 540 of the booster pump 500. When the piston connecting rod assembly moves upward, the piston head 400 closes the water inlet valve 530 of the booster pump 500 and opens the water outlet valve 540 of the booster pump 500, so that the water passing through the booster pump 500 is The water pressurized by the pressure pump 500 is respectively transported to the high-pressure water storage tank 1 2 and the high-pressure water storage tank 2 3 for compression, and then transported to the turbine 401 to drive the turbine 401 to rotate, and the turbine 401 drives the flywheel 409 to rotate, so that the flywheel 409 drives the generator 411 to rotate, thereby generating electrical energy; when the piston connecting rod assembly moves downward, the piston head 400 opens the water inlet valve 530 of the pressure pump and closes the water outlet valve 540 of the pressure pump 500, so that the water pressurized by the pressure pump 500 is directly transported to the turbine 401, and the turbine 401 drives the flywheel 409 to rotate, so that the flywheel 409 drives the generator 411 to rotate, thereby generating electrical energy.

[0061] The method for generating electricity using the underwater power generation equipment comprises the following steps:

[0062] Step 1, multiple underwater power generation equipment are installed at intervals in the river water, and the river water is divided into multiple waterways 8 by multiple guide walls 5 of each underwater power generation equipment for diversion, pressurization and acceleration; the number of guide walls 5 is set according to the width of the river water, and the number of hydrodynamic mechanisms 1 is set according to the length of each waterway 8.

[0063] Step 2, the pressurized and accelerated river water in each waterway 8 drives the waterwheel to rotate, driving the crankshaft assembly to rotate, and the crankshaft assembly drives the piston connecting rod assembly to move up and down in the lower chamber 580 of the cylinder sleeve 520 to control the opening or closing of the water inlet valve 540 and the water outlet valve 540 of the booster pump 500. When the piston connecting rod assembly moves upward, the piston head 400 closes the water inlet valve 530 of the booster pump 500 and opens the water outlet valve 540 of the booster pump 500, so that the water pressurized by the booster pump 500 is respectively transported to the high-pressure water storage tank 1 2 and the high-pressure water storage tank 2 3 for compression and energy storage. By adopting the high-pressure water storage tank 1 2 and the high-pressure water storage tank 2 3 to increase the power compression energy storage technology, the turbine 401 can achieve long-term speed balance. The water compressed by the high-pressure water storage tank 1 2 and the high-pressure water storage tank 2 3 is then transported to the turbine 401 to drive the turbine 401 to rotate, so that the pulley 1 406 of the turbine 401 drives the pulley 2 407 on the secondary shaft 410 of the flywheel to rotate through the conveyor belt 1 408, and the centrifugal force of the water turbine power generation mechanism 4 is fully utilized by increasing the secondary shaft 410 of the flywheel and the flywheel to increase the horsepower. The pulley 3 412 of the secondary shaft 410 of the flywheel drives the pulley 4 413 of the generator 411 to rotate through the conveyor belt 2 414, so as to increase the rotation speed to drive the generator 411 to generate electrical energy, thereby realizing the transformation of the power of water flow into mechanical energy, and then converting the mechanical energy into electrical energy. When the piston-connecting rod assembly moves downward, the piston head 400 opens the water inlet valve 530 of the boosting pump 500 and closes the water outlet valve 540 of the boosting pump 500, so that the water pressurized by the boosting pump 500 is directly transported to the turbine 401, so that the pulley 1 406 of the turbine 401 drives the pulley 2 407 on the flywheel's secondary shaft 410 to rotate through the conveyor belt 1 408, and the pulley 3 412 of the flywheel's secondary shaft 410 drives the pulley 4 413 of the generator 411 to rotate through the conveyor belt 2 414, so as to increase the rotation speed to drive the generator 411 to generate electrical energy.

Claims

1. A hydrodynamic mechanism, characterized in that: It includes a bracket, a waterwheel, a crankshaft assembly, a piston-connecting rod assembly and a booster pump, one end of the main shaft of the waterwheel is installed at one end of the bracket, and the other end passes through the middle of the bracket to connect one end of the crankshaft assembly, and the other end of the crankshaft assembly is installed on the other end of the bracket. The booster pump includes a pump casing, a cylinder sleeve, an inlet valve, an outlet valve, a valve mounting plate and a baffle plate. The two ends of the cylinder sleeve are respectively installed on the top and bottom of the pump casing, the valve mounting plate is installed on the upper part of the cylinder sleeve to divide the cylinder sleeve into an upper chamber and a lower chamber, the baffle plate divides the upper chamber into an inlet part and a water outlet part, the inlet valve is located in the water inlet part and is installed on one side of the bottom of the valve mounting plate, the outlet valve is located in the water outlet part and is reversely installed on the other side of the top of the valve mounting plate, a booster pump inlet pipe and a booster pump outlet pipe are provided on the top of the pump casing, the booster pump inlet pipe is connected to the water inlet part, and the booster pump outlet pipe is connected to the water outlet part, one end of the piston-connecting rod assembly is installed on the crankshaft assembly, and the other end passes through the pump casing and is movably connected in the lower chamber.

2. The hydrodynamic mechanism according to claim 1, characterized in that: The piston-connecting rod assembly includes a piston head, a piston ring, a connecting rod, a piston pin and a piston pin retaining ring. The piston ring is sleeved on the piston head. The top and bottom of the connecting rod are respectively provided with a connecting rod bearing 1 and a connecting rod bearing 2 for connecting the crankshaft. The piston pin is connected to the connecting rod bearing 1 through the connecting rod bearing 1, and the two ends of the piston pin are respectively installed on the bottom of the piston head through the piston pin retaining ring. The size of the piston head is adapted to the size of the lower chamber.

3. The hydrodynamic mechanism according to claim 1, characterized in that: The crankshaft assembly is composed of a crankshaft coupling, a crankshaft and a bearing member connected in sequence from left to right, the crankshaft coupling is connected to the main shaft of the waterwheel, and the bearing member is installed on the other end of the bracket; The waterwheel comprises a circular baffle plate, an annular column, water blades and a main shaft of the waterwheel. The two circular baffle plates of the waterwheel are connected respectively by the annular column. The multiple water blades are inclined and are installed in a circular array in the circumferential direction of the annular column. The two ends of each water blade are respectively fixed on the circular baffle plate of the waterwheel. The main shaft of the waterwheel passes through the middle of the circular baffle plate of the waterwheel. The two ends of the main shaft of the waterwheel are respectively connected with bearing parts, and one end of the main shaft of the waterwheel is also provided with a fixing pin for connecting the waterwheel with the crankshaft coupling.

4. The hydrodynamic mechanism according to claim 3, characterized in that: The bearing component comprises a bearing, a bearing cover and an oil seal. The two ends of the bearing are respectively connected to the bearing covers, and two oil seals are respectively sleeved between each bearing cover and the bearing.

5. The hydrodynamic mechanism according to claim 1, characterized in that: The bracket includes X-shaped frame 1, X-shaped frame 2, X-shaped frame 3 and connecting rods. The top and bottom ends of the X-shaped frame 1, X-shaped frame 2 and X-shaped frame 3 are respectively connected by connecting rods. The two ends of the main shaft of the waterwheel are respectively installed between the X-shaped frame 1 and the X-shaped frame 2. One end of the crankshaft assembly is connected to the main shaft of the waterwheel, and the other end is installed on the X-shaped frame 3.

6. A power generation device, characterized in that: The invention comprises a hydro-turbine power generation mechanism, a high-pressure water tank 1, a high-pressure water tank 2 and a hydrodynamic mechanism as claimed in any one of claims 1 to 5, wherein the hydro-turbine power generation mechanism comprises a bottom plate, a turbine support seat, a flywheel support seat, a turbine, a flywheel, a generator and a generator support seat, wherein the turbine support seat, the flywheel support seat and the generator support seat are respectively mounted on the bottom plate, and both ends of the main shaft of the turbine are respectively mounted on the turbine support seat through seat bearings, a pulley 1 is mounted on one end of the main shaft of the turbine, the flywheel is connected to a flywheel secondary shaft through a bearing, and both ends of the flywheel secondary shaft are respectively connected to the flywheel secondary shaft through a bearing. The belt seat bearing is installed on the flywheel support seat, and the two ends of the flywheel auxiliary shaft are respectively connected with pulley two and pulley three, the generator is installed on the generator support seat, and pulley four is installed on the generator output shaft. Pulley one is connected to pulley two through conveyor belt one, and pulley three is connected to pulley four through conveyor belt two. The water inlet of the turbine is connected to the water outlet of high-pressure water storage tank one, the water inlet of high-pressure water outlet tank one is connected to the water outlet of high-pressure water storage tank two, the water inlet of high-pressure water storage tank two is connected to the water outlet pipe of the booster pump, and the water inlet pipe of the booster pump is connected to the water outlet of the turbine.

7. The power generation device according to claim 7, characterized in that: The tops of the high-pressure water storage tank 1 and the high-pressure water storage tank 2 are respectively provided with a water inlet and an exhaust valve, and the bottoms are respectively provided with a water outlet.

8. Underwater power generation equipment, characterized in that: It comprises a guide wall, an equipment room, an equipment room fixing seat and the power generation device as described in any one of claims 6 and 7, wherein a support column is provided between the top and the bottom of the equipment room, a plurality of guide walls are installed at intervals on the top of the equipment room to form multiple waterways, a plurality of water power mechanisms are installed on each waterway, a water turbine power generation mechanism is installed in the equipment room, and the equipment room fixing seat is installed at the bottom of the equipment room.

9. The underwater power generation equipment according to claim 8, characterized in that: A top plate is provided on the top of each waterway, and blocking walls are provided at both ends of the top plate. The blocking wall is fixed on the top of the equipment room, and an opening is provided on the top plate above the hydraulic mechanism. The guide wall, equipment room, equipment room fixing seat, top plate and blocking wall are all made of steel plate-reinforced concrete material, and the equipment room fixing seat is also filled with reinforced concrete. The number of waterways is set according to the width of the river, and the number of hydraulic mechanisms is set according to the length of the waterway.

10. A method for generating electricity using the underwater power generation device according to claim 8 or 9, characterized in that: The steps include: Step 1, multiple underwater power generation equipment is installed at intervals in the river water, and the river water is divided into multiple waterways by multiple diversion walls of each underwater power generation equipment for diversion, pressurization and acceleration; Step 2, the river water that is pressurized and accelerated in each waterway drives the waterwheel to rotate, driving the crankshaft assembly to rotate, and the crankshaft assembly drives the piston connecting rod assembly to move up and down in the lower chamber of the cylinder sleeve to control the opening or closing of the water inlet valve and the water outlet valve of the booster pump. When the piston connecting rod assembly moves upward, the piston head closes the water inlet valve of the booster pump and opens the water outlet valve of the booster pump, so that the water pressurized by the booster pump is respectively transported to the high-pressure water storage tank 1 and the high-pressure water storage tank 2 for compression, and then transported to the turbine to drive the turbine to rotate, so that the turbine drives the flywheel and the generator to rotate in turn, thereby generating electrical energy; when the piston connecting rod assembly moves downward, the piston head opens the water inlet valve of the booster pump and closes the water outlet valve of the booster pump, so that the water pressurized by the booster pump is directly transported to the turbine, so that the turbine drives the flywheel and the generator to rotate in turn, thereby generating electrical energy.

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