CN105863934A - Offshore hydroelectric power generation equipment - Google Patents

Abstract

The invention provides an offshore hydroelectric power generation device, which solves the technical problem that wave energy and tidal current energy can be converted into electric energy by using the same device, and simultaneously improves power generation efficiency. It includes a platform mechanism, a wave energy generation system and a tidal current energy generation system; the wave energy generation system is installed on both sides of the platform mechanism, and the tidal current energy generation system is rotatably installed at the bottom of the platform mechanism; the platform The mechanism includes a platform frame, an air chamber and a fixed anchor. The wave energy generation system includes a power generation mechanism and an energy storage mechanism. The water turbine and the guide cover, the water turbine is installed in the guide cover, the upper part of the guide cover is fixed with a guide tube, and the upper end of the guide tube is connected with the turntable. The power generation can make full use of energy in two forms of wave energy and tidal current energy, thereby improving power generation efficiency.

Description

A kind of offshore hydroelectric power generation equipment

technical field

The invention relates to the technical field of hydroelectric power generation equipment, in particular to offshore hydroelectric power generation equipment.

Background technique

Wave energy and tidal current energy are two common forms of ocean energy. They are rich in reserves. If they are fully developed, they can effectively alleviate the energy crisis. At present, common power generation devices using ocean energy include wave energy power generation equipment and tidal current energy power generation equipment. The energy conversion device of the power generation equipment realizes power generation.

The power generation equipment in the prior art can only realize a single conversion of wave energy or tidal current energy, and the conversion efficiency is low and the input cost is high. However, wave energy and tidal current energy often exist at the same time in sea areas. If a device can be designed to convert wave energy and tidal current energy in the same area at the same time, the power generation efficiency will be significantly improved. This power generation provides such a device to realize the simultaneous conversion of wave energy and tidal current energy.

Contents of the invention

The object of the present invention is to provide an offshore hydroelectric power generation equipment to solve the technical problem of converting wave energy and tidal current energy into electrical energy by using the same equipment, and at the same time improve power generation efficiency.

The technical solution adopted by the present invention to solve the technical problem is: an offshore hydroelectric power generation equipment including a platform mechanism, a wave energy power generation system and a tidal current energy power generation system;

The wave energy generation system is installed on both sides of the platform mechanism, and the tidal current energy generation system is rotatably installed at the bottom of the platform mechanism; the platform mechanism includes a platform frame, an air chamber and An anchor is fixed, the air chamber is arranged in the platform frame, a bidirectional pump is arranged on the platform frame, one end of the bidirectional pump communicates with the air chamber, and the upper end of the air chamber is provided with Intake pipe, the bottom end of the platform frame is provided with a turntable, and the bottom end of the platform frame is connected with a fixed anchor;

The wave energy power generation system includes a power generation mechanism and an energy storage mechanism. The energy storage mechanism includes an energy storage housing, an energy storage plate, an energy storage rod and a drive rack assembly. The energy storage housing is fixed on the On the platform frame, the energy storage rod is hinged on the energy storage housing, and the energy storage plate is fixed on the outer end of the energy storage rod; the inner end of the energy storage rod is connected to the The transmission rack assembly; the power generating mechanism includes a first generator and a first gear, and the first generator meshes with the transmission rack assembly through the first gear;

The tidal current energy generation system includes a tidal current energy capture mechanism, a tidal current energy generation mechanism and a tidal current energy generator housing, the tidal current energy capture mechanism includes a water turbine and a flow guide, and the water turbine is installed in the flow guide Inside, a guide pipe is fixed on the upper part of the wind deflector, and a guide plate is arranged on the guide pipe, the axis of the guide plate is parallel to the axis of the wind deflector, and the upper end of the guide pipe is The turntable is connected; the tidal current energy generating mechanism is installed in the casing of the tidal current energy generator, and the tidal current energy generating mechanism includes a second generator and a speed-up box, and the input of the speed-up box end is fixedly connected with the output shaft of the hydraulic turbine, and the output end of the speed increasing box is fixedly connected with the input shaft of the second generator; the casing of the tidal current energy generator is fixed in the wind deflector.

The air intake pipe is a flexible pipe, and a floating ball is arranged on the top of the air intake pipe.

The platform frame adopts a circular structure, and a warning light is provided on the top of the platform frame.

The energy storage rod includes an energy storage inner rod and an energy storage outer rod, the length of the energy storage outer rod is shorter than the length of the energy storage inner rod.

A return spring is provided between both sides of the energy storage inner rod and the energy storage housing.

The outer end of the energy storage inner rod is provided with a pressure cylinder, and the inner end of the pressure cylinder is provided with a pressure spring.

The transmission rack assembly includes a curved rack, a connecting rod and a sleeve rod, the curved rack is fixedly connected to the sleeve rod through the connecting rod, and the bottom end of the sleeve rod is sleeved on the Inside the pressure cylinder.

The two sides of the energy storage plate are provided with grooves.

The water turbine adopts a tubular water turbine.

The beneficial effects of the present invention are:

1. This power generation can make full use of two forms of energy, wave energy and tidal current energy; the present invention can realize the rise and dive of the device in the water through the cooperation of the two-way pump and the air chamber, and effectively avoid the impact damage to the device in strong wind and waves; The invention can automatically adjust the capture of tidal current energy by the tidal current energy capture mechanism along with the change of tidal current energy flow direction when using tidal current energy to generate electricity, thereby improving the power generation efficiency.

2. The energy-storage rod in the present invention includes an energy-storage inner rod and an energy-storage outer rod, and the length of the energy-storage inner rod is greater than the length of the energy-storage outer rod, so that the energy-storage inner rod and the energy-storage outer rod can rotate At the same angle, the outer end of the energy-storage inner rod draws a larger arc length, and through transmission, the first generator turns more times to increase the power generation.

Description of drawings

Fig. 1 is the overall structural appearance schematic diagram of the present invention;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is a sectional view A-A of the connection relationship between the platform mechanism and the wave energy generation system in Fig. 2;

Fig. 4 is a partial enlarged view of A in Fig. 3;

Fig. 5 is the top view of Fig. 2;

Fig. 6 is a cross-sectional view B-B of the connection relationship between the platform mechanism and the wave energy generation system in Fig. 4;

Fig. 7 is a partial enlarged view of place B in Fig. 6;

Fig. 8 is a sectional view of the shroud in Fig. 1;

In the figure: 1. Platform frame; 2. Air chamber; 3. Fixed anchor; 4. Intake pipe; 5. Bi-directional pump; 6. Energy storage shell; Energy inner rod; 10. Energy storage outer rod; 11. Return spring; 12. Arc rack; 13. Sleeve rod; 1 gear; 18. water turbine; 19. diversion cover; 20. guide pipe; 21. diversion tank; 22. second generator;

detailed description

As shown in Figures 1 to 8, an offshore hydroelectric power generation equipment includes a platform mechanism, a wave energy generation system and a tidal current energy generation system; the platform mechanism includes a platform frame 1, an air chamber 2 and a fixed anchor 3, the The platform frame 1 described above has a circular structure, which can reduce the impact of waves on the platform frame 1; the inside of the platform frame 1 is provided with an air chamber 2, and the air chamber 2 The upper end of the upper end of the air intake pipe 4 is provided with an air intake pipe 4, and the upper end of the air intake pipe 4 stretches out from the upper surface of the platform frame body 1. The air intake pipe 4 is a hose, and the air intake pipe 4 on the upper part of the platform frame body 1 hovers over the platform frame body. 1, the device can realize the function of diving into the water, and the air intake pipe 4 on the top of the platform is longer, so when the device is submerged underwater, the upper end of the air intake pipe 4 can still be above the water surface, and the top of the air intake pipe 4 is provided with There is a floating ball, which can ensure that the mouth of the air intake pipe 4 is always above the water surface; the top of the platform frame 1 is provided with a warning light, and the warning light is used to provide warning to passing ships at night , to prevent passing ships from colliding with the device by mistake; the upper part of the platform frame 1 is also provided with a cable tube, and a cable is installed in the cable tube to output the electricity generated by the device to the land;

The platform frame 1 is provided with a two-way pump 5, one end of the two-way pump 5 communicates with the seawater through a pipeline, and the other end communicates with the air chamber 2 through a pipeline; , turn on the bidirectional pump 5, input seawater into the air chamber 2, and the air in the air chamber 2 is discharged into the air through the air intake pipe 4. During this process, because the buoyancy force received by the device gradually decreases, so The device sinks underwater until the device is completely suspended in the water, then stop the bidirectional pump 5; when the stormy weather passes, turn on the bidirectional pump 5 to run in reverse to pump out the seawater in the air chamber 2, and the outside air will pass through the inlet Trachea 4 enters in air chamber 2, and the buoyancy force that this device is subjected to increases gradually in this process, therefore, device begins to rise to the water surface, until this device emerges fully, closes two-way pump 5 at this moment; Described two-line submersible pump Connect with the outside through the cable;

The bottom end of the platform frame 1 is provided with a turntable 24, and the upper end of the turntable 24 is rotatably connected to the platform frame 1 through a turntable bearing.

The fixed anchor 3 includes a chain lock and an anchor, and the anchors are symmetrically fixed at four positions of the platform frame 1 through the chain locks, and the anchors sink into the mud on the seabed; Fixed anchor 3 is used for fixing this device.

The wave energy generation system is symmetrically installed on both sides of the platform mechanism, the wave energy generation system includes a power generation mechanism and an energy storage mechanism; the energy storage mechanism includes an energy storage shell 6, an energy storage plate 7. Energy storage rod and transmission rack assembly, the energy storage housing 6 is a rectangular hollow housing, and the energy storage housing 6 is fixedly installed on the platform frame 1 parallel to the horizontal plane; The energy storage rod is set in the energy storage housing 6, and the energy storage rod is hinged in the energy storage housing 6 through a rotating shaft, and the hinge part of the energy storage rod and the energy storage housing 6 is The inner part of the energy storage rod 9 is the energy storage inner rod 9, and the outer part of the hinge between the energy storage rod and the energy storage housing 6 is the energy storage outer rod 10, and the length of the energy storage outer rod 10 is shorter than the energy storage inner rod 9 That is, when the energy-storage outer rod 10 and the energy-storage inner rod 9 rotate through the same angle, the arc length drawn by the outer end of the energy-storage inner rod 9 is greater than that of the outer end of the energy-storage outer rod 10 The length of the arc drawn; the outer end of the energy storage outer rod 10 protrudes from the energy storage housing 6, and the outer end of the energy storage inner rod 9 protrudes from the energy storage housing 6,

The outer end of the energy storage inner rod 9 is provided with a pressure cylinder 14, the pressure cylinder 14 is a cylindrical shell, and the inner end of the pressure cylinder 14 is provided with a pressure spring 15. The transmission rack assembly includes an arc rack 12, a connecting rod and a sleeve rod 13, the arc rack 12 is fixedly connected with the sleeve rod 13 through the connecting rod, and the bottom end of the sleeve rod 13 It is sleeved in the pressing cylinder 14 and fixedly connected with the pressing spring 15; the pressing spring 15 can ensure that the arc-shaped rack 12 is tightly engaged with the generating mechanism;

The outer end of the energy storage outer rod 10 is fixedly provided with an energy storage plate 7, the energy storage plate 7 is vertically installed with the sea level, the lower part of the energy storage plate 7 extends below the water surface, and the energy storage plate 7 It is used to receive the impact of waves and convert wave energy into kinetic energy of the wave energy power generation system. The energy storage plate 7 is a rectangular plate, and the two sides of the energy storage plate 7 are provided with grooves 8, and the grooves 8 can be Increase the contact area between the energy storage plate 7 and seawater, thereby increasing the absorption of wave energy, and when the wave energy is small, the kinetic energy requirements of the wave energy generation system can also be guaranteed; the return springs 11 are respectively installed on the energy storage On both sides of the inner rod 9, one end of the return spring 11 is fixedly connected to the energy storage inner rod 9, and the other end of the return spring 11 is fixedly connected to the energy storage housing 6; the power generation The mechanism is vertically fixed on the platform frame, the generating mechanism includes a first generator 16 and a first gear 17, the first generator 16 includes a generator input shaft, and the first gear 17 is sleeved and fixed on On the input shaft of the generator, the first gear 17 meshes with the arc rack 12; the first generator 16 is connected to the outside through a cable;

When there is a wave impacting the energy storage plate 7, since the energy storage rod and the energy storage housing 6 are hinged, the energy storage plate 7 drives the energy storage rod to connect the energy storage rod and the energy storage housing. 6. The center of rotation swings at the hinge, which then drives the arc-shaped rack 12 at the outer end of the energy storage inner rod 9 to mesh with the first gear 17, thereby driving the first generator 16 to rotate and generate electricity. At this time, the reset of one side of the energy storage inner rod 9 The spring 11 is stretched, and the return spring 11 on the other side is compressed; when the wave disappears, the return spring 11 pushes the energy storage inner rod 9 to swing reversely under the action of the return elastic force, and the energy storage inner rod 19 The arc-shaped rack 12 at the outer end meshes with the first gear 17 to rotate again, driving the first generator 16 to generate electricity, and reciprocates like this.

The tidal current energy generation system is installed at the bottom of the platform mechanism, and all the tidal current energy generation systems are submerged in seawater; the tidal current energy generation system includes a tidal current energy capture mechanism, a tidal current energy generation mechanism and The casing; the tidal current energy capture mechanism includes a water turbine 18 and a shroud 19, the shroud 19 adopts a pipe structure narrow in the middle and wide at both ends, and the left and right parts of the shroud 19 are trumpet-shaped , such a structure can increase the flow velocity when the current passes through the wind deflector 19; the upper part of the middle position of the wind deflector 19 is provided with a guide pipe 20, and the upper part of the guide pipe 20 is connected to the platform frame 1 through the flange. The turntable 24 of the lower part is fixedly connected, and the tube wall of the guide pipe 20 is provided with two guide plates symmetrically on the left and right, and the hemispherical diversion groove 21 with a hollow opening is provided on the guide plate, and the guide tube 20. The centerlines of the two left- and right-symmetric guide plates on the pipe wall are parallel to the axis of the guide cover 19; when the tidal current energy impacts the guide groove 21, the guide groove 21 Under the impact, the wind deflector 19 will be driven to rotate through the turntable 24, no matter how the flow direction of the tidal energy changes, it can be ensured that the opening direction of the wind deflector 19 is always on the same straight line as the direction of the tidal current; The water turbine 18 adopts a tubular water turbine 18, and the water turbine 18 is installed at a narrow position in the middle of the nozzle 19, so as to ensure that the impeller of the water turbine 18 receives the maximum tidal current energy;

The tidal current energy generating mechanism is integrally installed in the tidal current energy generator housing, and the tidal current energy generating mechanism includes a second generator 22 and a speed-up box 23, and the speed-up box 23 includes a large gear and a Lower gear, the large gear is meshed with the pinion, one end of the output shaft of the pinion is connected with the motor input shaft of the second generator 22, and one end of the input shaft of the large gear is connected with the The output shaft of the water turbine 18 is connected, the tidal current energy generating mechanism is fixedly installed on the wind deflector 19 through the tidal current energy generator housing, and the second generator 22 is electrically connected to the outside through a cable .

This power generation can make full use of two forms of energy, wave energy and tidal current energy; the present invention can realize the rise and dive of the device in the water through the cooperation of the bidirectional pump 5 and the air chamber 2, and effectively avoid the impact damage to the device in strong wind and waves; The invention can automatically adjust the capture of tidal current energy by the tidal current energy capture mechanism along with the change of tidal current energy flow direction when using tidal current energy to generate electricity, thereby improving the power generation efficiency.

Except for the technical features described in the instructions, all are known technologies by those skilled in the art.

Although the specific implementation of the present invention has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the present invention. On the basis of the technical solution of the present invention, those skilled in the art can make various Modifications or variations are still within the protection scope of the present invention.

Claims (9)

1. An offshore hydroelectric power generation equipment, characterized in that it comprises a platform mechanism, a wave energy power generation system and a tidal current energy power generation system; The wave energy generation system is installed on both sides of the platform mechanism, and the tidal current energy generation system is rotatably installed at the bottom of the platform mechanism; the platform mechanism includes a platform frame, an air chamber and An anchor is fixed, the air chamber is arranged in the platform frame, a bidirectional pump is arranged on the platform frame, one end of the bidirectional pump communicates with the air chamber, and the upper end of the air chamber is provided with Intake pipe, the bottom end of the platform frame is provided with a turntable, and the bottom end of the platform frame is connected with a fixed anchor; The wave energy power generation system includes a power generation mechanism and an energy storage mechanism. The energy storage mechanism includes an energy storage housing, an energy storage plate, an energy storage rod and a drive rack assembly. The energy storage housing is fixed on the On the platform frame, the energy storage rod is hinged on the energy storage housing, and the energy storage plate is fixed on the outer end of the energy storage rod; the inner end of the energy storage rod is connected to the The transmission rack assembly; the power generating mechanism includes a first generator and a first gear, and the first generator meshes with the transmission rack assembly through the first gear; The tidal current energy generation system includes a tidal current energy capture mechanism, a tidal current energy generation mechanism and a tidal current energy generator housing, the tidal current energy capture mechanism includes a water turbine and a flow guide, and the water turbine is installed in the flow guide Inside, a guide pipe is fixed on the upper part of the wind deflector, and a guide plate is arranged on the guide pipe, the axis of the guide plate is parallel to the axis of the wind deflector, and the upper end of the guide pipe is The turntable is connected; the tidal current energy generating mechanism is installed in the casing of the tidal current energy generator, and the tidal current energy generating mechanism includes a second generator and a speed-up box, and the input of the speed-up box end is fixedly connected with the output shaft of the hydraulic turbine, and the output end of the speed increasing box is fixedly connected with the input shaft of the second generator; the casing of the tidal current energy generator is fixed in the wind deflector. 2 . The offshore hydroelectric power generation equipment according to claim 1 , wherein the air inlet pipe is a flexible pipe, and a floating ball is arranged at the top of the air inlet pipe. 3 . 3 . The offshore hydroelectric power generation equipment according to claim 1 , wherein the platform frame adopts a circular structure, and a warning light is provided on the top of the platform frame. 4 . 4. The offshore hydroelectric power generation equipment according to claim 1, wherein the energy storage rod includes an energy storage inner rod and an energy storage outer rod, and the length of the energy storage outer rod is shorter than the The length of the inner rod of the energy storage. 5 . The offshore hydroelectric power generation equipment according to claim 4 , wherein a return spring is provided between both sides of the energy storage inner rod and the energy storage housing. 6 . 6. The offshore hydroelectric power generation equipment according to claim 5, characterized in that, the outer end of the energy storage inner rod is provided with a pressure cylinder, and the inner end of the pressure cylinder is provided with a top Pressure spring. 7. The offshore hydroelectric power generation equipment according to claim 6, wherein the transmission rack assembly includes an arc-shaped rack, a connecting rod and a sleeve rod, and the arc-shaped rack passes through the The connecting rod is fixedly connected with the sleeve rod, and the bottom end of the sleeve rod is sleeved in the pressing cylinder. 8. The offshore hydroelectric power generation equipment according to claim 1, wherein grooves are provided on both sides of the energy storage plate. 9. The offshore hydroelectric power generation equipment according to claim 1, characterized in that said water turbine is a tubular water turbine.