CN109469578B - Wind power/ocean energy complementary power generation wave-absorbing device - Google Patents

Abstract

The invention relates to a wind power/ocean energy complementary power generation wave elimination device, comprising a base, a vertical guide pile, a floating box, a water turbine type breakwater and a guide rod; the vertical guide pile is fixedly arranged on the base, and the water turbine type breakwater passes through the base. The floating boxes on both sides are connected with the vertical guide piles, and the floating boxes can move up and down along the vertical guide piles; the water turbine breakwater includes a water turbine power generation system, a wind power generation system and an oscillating float power generation system. The advantages of the invention are: the invention skillfully combines the breakwater with the power generation device, has the advantages of no pollution, easy assembly, high energy conversion rate, and can be mass-produced, and is suitable for popularization and use.

Description

A wind power/ocean energy complementary power generation wave elimination device

technical field

The invention belongs to the technical field of marine engineering, and in particular relates to a wind power/ocean energy complementary power generation wave elimination device.

Background technique

my country has a coastline of more than 18,000 square kilometers and many islands. Sufficient electricity is an indispensable condition when developing islands. Since most of the islands are far away from the mainland, it is too expensive to rely on the mainland to transmit electricity to the islands. If we can rely on the island's own resource advantages and some floating structures outside the island to generate electricity, it will be the most effective solution to the problem of electricity consumption on the island.

The main function of the wave elimination device is to reduce or even eliminate the impact of waves and currents on the operation of the port or offshore platform, increase the operation time and efficiency, and ensure that the ship enters and leaves the port normally. Floating breakwaters are favored by scholars at home and abroad because of their excellent wave absorption performance. Floating breakwaters have strong water quality exchange capacity and can prevent water pollution; their cost is cheaper than fixed breakwaters, and they can better adapt to changes in water depth, and the project cost will not increase sharply with the increase of water depth; it can be applied to many It is of great significance to protect the local marine natural environment and natural fishery resources; the construction period is short, the speed is fast, and the installation and disassembly are convenient. Compared with fixed breakwaters, floating breakwaters are convenient for later maintenance and low cost. .

The floating wave energy conversion device mainly floats on the sea surface and is fixed by the anchoring system. The main feature of this type of device is that it can operate in deep water areas rich in wave energy resources, has high wave energy utilization rate, is less affected by tidal range, and is flexible and flexible. , which is convenient for floating at sea.

Many scholars at home and abroad have studied the hydrodynamic performance and wave elimination effect of floating breakwaters, and have achieved a lot of achievements. There is very little research. In view of the above points, a wind power/ocean energy complementary power generation wave elimination device is designed, which can not only prevent waves and eliminate waves, but also provide electricity for coastal and island residents.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a wind power/ocean energy complementary power generation and wave elimination device, so as to realize the purpose of wave prevention and wave elimination and multi-functional power generation.

In order to solve the above technical problems, the technical scheme of the present invention is: a wind power/ocean energy complementary power generation wave elimination device, which is characterized in that: it includes a base, a vertical guide pile, a floating box, a turbine type breakwater and a guide rod;

The vertical guide pile is fixedly arranged on the base, and the water turbine breakwater is connected with the vertical guide pile through the floating boxes on both sides, and the floating box can move up and down along the vertical guide pile; the water turbine breakwater includes a water turbine power generation system, a wind power generation system systems and oscillating float power generation systems;

The hydro-turbine power generation system is installed inside the hydro-turbine breakwater, and is used to convert the mechanical energy of the hydro-turbine breakwater into electrical energy;

The oscillating float type power generation system is installed at a position close to the top of the vertical guide pile and is connected to the floating box through a guide rod, so as to convert the mechanical energy of the floating box and the breakwater moving up and down relative to the vertical guide pile into electrical energy;

The wind power generation system is installed at the top of the vertical guide pile, and the wind power generation system is communicated with the oscillating float type power generation system; the wind power generation system includes a hydraulic power generation device installed on the top of the vertical guide pile, The top of the hydraulic power generation device is provided with a fan power generation device, and the fan power generation device is also provided with a fan guide vane.

Further, the water turbine breakwater is composed of blades, buoys and hollow bearings, the hollow bearings are provided with guide bearings, and the buoys are connected with the guide bearings through internal aggregates; the blades are evenly distributed along the circumference of the buoys, And the blades and buoys form a rotor, which can rotate around the hollow bearing under the action of waves and currents.

Further, the hollow bearing is connected to the floating box on both sides through flanges, and is stationary relative to the floating box; the position where the hollow bearing is connected to the floating box plate of the floating box and the floating plate of the buoy is sealed by an end face sealing device.

Further, the water turbine power generation system includes a generator, a gearbox, a spur gear, a bearing and a spur gear, the spur gear is connected to the buoy and rotates with the buoy, and the spur gear is meshed with the spur gear. , and the spur gear is arranged inside the spur gear; the bearing passes through the center of the spur gear, and a gearbox and a generator are sequentially sleeved on the bearing from the inside to the outside.

Further, the oscillating float type power generation system includes a cabin roof, a hydraulic cylinder A that squeezes the hydraulic oil upward to do work, and a hydraulic cylinder B that squeezes the hydraulic oil downward to do work, and the hydraulic cylinder A and the hydraulic cylinder B are respectively fixed by auxiliary means. The device A and the auxiliary fixing device B are fixed on the nacelle roof plate of the oscillating float type power generation system, and the hydraulic cylinder A is also connected with the floating box plate through the connecting rod A connecting the piston, and the connecting rod B connecting the piston of the hydraulic cylinder B It is connected with the pontoon board through auxiliary rods.

Further, the oscillating float type power generation system includes a hydraulic power generation main oil circuit and an energy storage branch oil circuit, the hydraulic power generation main oil circuit includes an oil tank A connected to a hydraulic cylinder A through a branch circuit A, and the branch circuit A is A one-way valve A is arranged in series on the upper part; the hydraulic cylinder A is connected with the oil tank A through a branch circuit B, and a one-way valve B and an oil circuit switch are sequentially arranged in series on the branch circuit B from the hydraulic cylinder A to the oil tank A; The hydraulic cylinder A is also connected to the hydraulic cylinder B through a branch circuit C, and a check valve C is arranged in series on the branch circuit C; A speed regulating valve A, a one-way valve D, a hydraulic motor and a relief valve are sequentially arranged in series on the branch D of B, and the hydraulic motor is driven by a generator;

The energy storage branch oil circuit includes a fuel tank C and an accumulator, the branch circuit D is connected with the fuel tank C through the branch circuit E, and the branch circuit E from the branch circuit D to the fuel tank C is serially connected with a check valve E and an oil tank C in series. A cut-off valve, the branch E is connected to the accumulator through the branch F, and the branch F and the branch D are also connected through the branch G.

The advantages of the present invention are:

(1) The wind power/ocean energy complementary power generation wave elimination device of the present invention cleverly integrates the wave elimination and the power generation device, and shares the vertical guide pile mooring system (the base and the vertical guide pile fixed on the base) with the fan device. , save costs; at the same time, the new type of water turbine breakwater, through the oscillating float type power generation system and the water turbine type power generation system, converts the mechanical energy of the heave and rolling of the breakwater into electrical energy, making full use of the complementarity of the two, and can achieve wave prevention The purpose of wave elimination and multifunctional power generation; in addition, the wind power/ocean energy complementary power generation wave elimination device of the present invention has the characteristics of modularization, which is convenient for installation, update and maintenance, and is suitable for mass production;

(2) In the wind power/ocean energy complementary power generation wave elimination device of the present invention, the blades set on the new hydraulic turbine breakwater are to increase the reflection of the breakwater and the effect of flocculating incident waves, and have a better wave elimination effect.

Description of drawings

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a side view of the overall structure of the present invention.

Fig. 3 is a schematic diagram of the structure of the novel hydraulic turbine type floating breakwater of the present invention.

FIG. 4 is a schematic structural diagram of the hollow bearing and its connecting parts of the present invention.

5 is a schematic structural diagram and a cross-sectional view of the hydraulic cylinder and its installation auxiliary components of the present invention.

FIG. 6 is an overall structural diagram of the hydraulic power generation system of the present invention.

Detailed ways

The following embodiments can make those skilled in the art understand the present invention more comprehensively, but do not limit the present invention to the scope of the described embodiments.

Example

As shown in Figures 1 and 2, the wind power/ocean energy complementary power generation wave elimination device in this embodiment includes a base 1, a vertical guide pile 2, a pontoon 5, a turbine-type breakwater 6 and a guide rod 8; the vertical guide pile 2 is fixedly installed On the base 1, the water turbine breakwater 6 is connected to the vertical guide pile 2 through the floating boxes 5 on both sides, and the floating box 5 can move up and down along the vertical guide pile 2; the water turbine breakwater 6 includes a water turbine power generation system, a wind power generation system and an oscillating float The hydraulic turbine type floating breakwater 6 is combined with the hydraulic turbine power generation system, the wind power generation system and the oscillating float type power generation system to realize the function of not only absorbing waves but also extracting wave energy and wind energy generation. Under the action of waves and currents, the turbine breakwater 6 has only two degrees of freedom, heave and roll, to be released.

The hydro-turbine power generation system is installed inside the hydro-turbine breakwater 6, and is used to convert the mechanical energy of the rotation of the hydro-turbine breakwater 6 into electrical energy; the oscillating float-type power generation system is installed near the top of the vertical guide pile 2 and is connected to the floating box 5 through the guide rod 8 , for converting the mechanical energy of the floating box 5 and the breakwater 6 relative to the vertical guide pile 2 up and down into electrical energy; the wind power generation system is installed on the top of the vertical guide pile 2, and the wind power generation system is connected with the oscillating float type power generation system The wind power generation system includes a hydraulic power generation device 7 installed on the top of the vertical guide pile 2, and a fan power generation device 3 is arranged on the top of the hydraulic power generation device 7, and the fan power generation device 3 is also provided with a fan guide vane 4.

As shown in FIG. 3 , the water turbine breakwater 6 is composed of blades 9 , buoys 10 and hollow bearings 11 . As shown in FIG. 4 , the hollow bearings 11 are provided with guide bearings 16 , and the buoys 10 are connected to the guide bearings 16 through internal aggregates. The blades 9 are evenly distributed along the circumference of the buoy 10, the number of blades can be three or five, and the blades 9 and the buoy 10 form the rotor of the hydro turbine power generation system, and can rotate around the hollow bearing 11 under the action of waves and currents; The blades provided on the breakwater 6 are to increase the reflection of the breakwater and the effect of flocculating incident waves, and have a better wave elimination effect.

The hollow bearing 11 is connected to the floating box 5 on both sides through the flange 12 and is stationary relative to the floating box 5; , In the embodiment, the end face sealing device 13 can adopt the radial carbon fine sealing structure.

The water turbine power generation system includes a generator 17, a gearbox 18, a spur gear 19, a bearing 20 and a spur gear 21. The spur gear 19 is connected to the buoy 10 and rotates with the buoy 10. The spur gear 21 meshes with the spur gear 19 set, and the spur gear 21 is set inside the spur gear 19; the bearing 20 passes through the center of the spur gear 21, and the bearing 20 is also sleeved with the gearbox 18 and the generator 17 from the inside to the outside; the rotating spur gear 21 After being accelerated by the gearbox 18, the generator 17 is driven to rotate and generate electricity.

As shown in FIG. 5 , the oscillating float type power generation system includes a cabin roof 27 , a hydraulic cylinder 25 that squeezes hydraulic oil upward to do work, and a hydraulic cylinder 31 that squeezes hydraulic oil downward to do work. The hydraulic cylinder 25 and the hydraulic cylinder 31 are respectively fixed by auxiliary The device 26 and the auxiliary fixing device 28 are fixed on the nacelle roof 27 of the oscillating float power generation system, and the hydraulic cylinder 25 is also connected to the floating tank plate 22 through the connecting rod 23 connecting the piston 32, and the connecting rod 29 connecting the piston of the hydraulic cylinder 31 passes through. The auxiliary rod 30 is connected to the pontoon plate 22 .

As shown in FIG. 6 , the oscillating float type power generation system includes a hydraulic power generation main oil circuit and an energy storage branch oil circuit. The hydraulic power generation main oil circuit includes an oil tank 35 connected to the hydraulic cylinder 25 through the branch circuit A, and the branch circuit A is arranged in series There is a one-way valve 34; the hydraulic cylinder 25 is connected to the oil tank 35 through a branch B, and a one-way valve 37 and an oil circuit switch 36 are arranged in series on the branch B from the hydraulic cylinder 25 to the oil tank 35; the hydraulic cylinder 25 also passes through The branch C is connected to the hydraulic cylinder 31, and a check valve 38 is arranged in series on the branch C; the branch C is also connected to the oil tank 49 through the branch D, and the branch D from the branch C to the oil tank 49 is connected in series A speed regulating valve 44 , a check valve 45 , a hydraulic motor 46 and a relief valve 48 are provided, and the hydraulic motor 46 is driven by a generator 47 .

The energy storage branch oil circuit includes a fuel tank 41 and an accumulator 43, the branch circuit D is connected to the fuel tank 41 through the branch circuit E, and the branch circuit E from the branch circuit D to the fuel tank 41 is connected in series with a one-way valve E and a stop valve 40. , the branch E is connected to the accumulator 43 through the branch F, and the branch F and the branch D are also connected through the branch G.

The float 33 moves up and down along the vertical guide pile 2 under the action of the incident wave. For the hydraulic cylinder 25, when the float 33 moves upward, the connecting rod 23 connected with the float 33 pushes the piston 32 to move upward, and the piston 32 squeezes the hydraulic oil in the rodless cavity. Enter the hydraulic power generation oil circuit, and the rod cavity absorbs oil through the switch 34 at the same time; when the piston 32 moves down with the float 33, the rodless cavity absorbs oil, and the hydraulic oil with the rod cavity returns to the oil tank 35. The one-way valve 37 can prevent backflow of hydraulic oil. The working principle of the hydraulic cylinder 31 is the same as that of the hydraulic cylinder 25, but the direction is opposite, that is, when the float moves downward, the piston squeezes the hydraulic oil into the hydraulic power generation oil circuit. After the speed regulating valve 44 adjusts the flow rate of the total oil circuit, the hydraulic motor 46 is driven to rotate, and then the generator 47 is driven to generate electricity.

When the oil volume is larger than the rated oil volume of the hydraulic motor 46 , the excess hydraulic oil enters the accumulator 43 through the check valve 39 . The accumulator 43 plays an important role in regulating the smooth operation of the hydraulic motor 46 .

The relief valve 48 is mainly used for overload protection of the hydraulic system, and the shut-off valve 40 is mainly opened when the accumulator 43 is maintained.

The foregoing has shown and described the basic principles and main features of the present invention, as well as the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a wind-powered electricity generation/ocean energy complementary electricity generation wave absorption device which characterized in that: comprises a base, a vertical guide pile, a buoyancy tank, a water turbine type breakwater and a guide rod;

the vertical guide pile is fixedly arranged on the base, the hydraulic turbine breakwater is connected with the vertical guide pile through floating boxes on two sides, and the floating boxes can move up and down along the vertical guide pile; the water turbine type breakwater comprises a water turbine power generation system, a wind power generation system and a vibration floater type power generation system;

the hydraulic turbine power generation system is arranged inside the hydraulic turbine breakwater and is used for converting mechanical energy generated by rotation of the hydraulic turbine breakwater into electric energy;

the vibration floater type power generation system is arranged at a position close to the top end of the vertical guide pile, is connected with the buoyancy tank through a guide rod, and is used for converting mechanical energy of the buoyancy tank and the breakwater moving up and down relative to the vertical guide pile into electric energy;

the wind power generation system is arranged at the top end of the vertical guide pile and is communicated with the oscillating floater type power generation system; the wind power generation system comprises a hydraulic power generation device installed at the top end of the vertical guide pile, a fan power generation device is arranged at the top end of the hydraulic power generation device, and a fan guide vane is further arranged on the fan power generation device.

2. The wind power/ocean energy complementary power generation wave-absorbing device according to claim 1, wherein: the water turbine breakwater is composed of blades, a buoy and a hollow bearing, wherein the hollow bearing is provided with a guide bearing, and the buoy is connected with the guide bearing through internal aggregate; the blades are uniformly distributed along the circumferential direction of the floating cylinder, and the blades and the floating cylinder form a rotor which can rotate around the hollow bearing under the action of waves and flow.

3. The wind power/ocean energy complementary power generation wave-absorbing device according to claim 2, wherein: the hollow bearing is connected with the buoyancy tanks on the two sides through flanges and is static relative to the buoyancy tanks; the hollow bearing is sealed by an end face sealing device at the connecting position of the buoyancy tank plate of the buoyancy tank and the buoyancy tank plate of the buoyancy tank.

4. The wind power/ocean energy complementary power generation wave-absorbing device according to claim 2, wherein: the water turbine power generation system comprises a power generator, a gearbox, a straight-tooth internal gear, a bearing and a spur gear, wherein the straight-tooth internal gear is connected with the buoy and rotates along with the buoy, the spur gear is meshed with the straight-tooth internal gear, and the spur gear is arranged inside the straight-tooth internal gear; the bearing passes through the center of the spur gear, and the bearing is further sequentially sleeved with a gearbox and a generator.

5. The wind power/ocean energy complementary power generation wave-absorbing device according to claim 1, wherein: the oscillating floater type power generation system comprises a cabin top plate, a hydraulic cylinder A and a hydraulic cylinder B, wherein the hydraulic cylinder A is used for upwards extruding hydraulic oil to do work, the hydraulic cylinder B is used for downwards extruding the hydraulic oil to do work, the hydraulic cylinder A and the hydraulic cylinder B are respectively fixed on the cabin top plate of the oscillating floater type power generation system through an auxiliary fixing device A and an auxiliary fixing device B, the hydraulic cylinder A is further connected with the buoyancy tank plate through a connecting rod A connected with a piston, and the connecting rod B connected with the piston of the hydraulic cylinder B is connected with the buoyancy tank plate through an auxiliary rod.

6. The wind power/ocean energy complementary power generation wave-absorbing device according to claim 1 or 5, wherein: the oscillating float type power generation system comprises a hydraulic power generation main oil way and an energy storage branch oil way, wherein the hydraulic power generation main oil way comprises an oil tank A connected with a hydraulic cylinder A through a branch A, and a one-way valve A is arranged on the branch A in series; the hydraulic cylinder A is connected with the oil tank A through a branch B, and a check valve B and an oil way switch are sequentially arranged on the branch B from the hydraulic cylinder A to the oil tank A in series; the hydraulic cylinder A is also connected with the hydraulic cylinder B through a branch C, and a one-way valve C is arranged on the branch C in series; the branch C is also connected with the oil tank B through a branch D, a speed regulating valve A, a one-way valve D, a hydraulic motor and an overflow valve are sequentially connected in series on the branch D from the branch C to the oil tank B, and the hydraulic motor drives a generator to generate electricity;

the energy storage branch oil path comprises an oil tank C and an energy storage device, a branch D is connected with the oil tank C through a branch E, a check valve E and a stop valve are sequentially connected onto the branch E from the branch D to the oil tank C in series, the branch E is connected with the energy storage device through a branch F, and the branch F is communicated with the branch D through a branch G.

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