Lantern-shaped fluctuation power generation device

Abstract

The lantern-shaped fluctuation power generation device comprises a buoy, a balancing weight and a plurality of power generation units, each power generation unit comprises a first power generator, a second power generator, a translation mechanism and a crankshaft connecting rod mechanism, one end of the translation mechanism is in sliding connection with the balancing weight, and the input end of the first power generator is matched with the translation mechanism; the other end of the translation mechanism is connected with a connecting rod part of the crankshaft connecting rod mechanism, and a crankshaft part of the crankshaft connecting rod mechanism is matched with an input shaft of the second generator. The balancing weight is arranged in the buoy, when the buoy moves under the action of waves, the balancing weight in the buoy continuously moves along with the buoy, and extrusion force generated by movement of the balancing weight acts on the translation mechanism and the crankshaft connecting rod mechanism in the buoy, so that wave energy is converted into mechanical energy, wave energy power generation is achieved, and the buoy can be matched with a buoy; and the offshore tower whistles and the like supply power to the offshore equipment. By arranging the translation mechanism and the crankshaft connecting rod mechanism, the utilization of wave motion with different wave amplitudes and wave frequencies is realized.

Description

Technical Field

[0001] The invention relates to the technical field of power generation devices, and in particular to a lantern-shaped wave power generation device. Background Art

[0002] The generation of wave energy mainly comes from the continuous effect of sea breeze on the sea surface. The wind energy is transmitted to the seawater, causing it to produce periodic undulating motion, thereby forming wave energy. This form of energy has many significant characteristics. First, wave energy is extremely widely distributed. As long as there is an ocean, there are traces of wave energy. Especially in coastal areas, wave energy resources are abundant and relatively concentrated, which provides a good geographical basis for its large-scale development and utilization. Secondly, wave energy is a clean energy. During its generation and utilization, it produces almost no greenhouse gas emissions and other pollutants. Its environmental friendliness makes it an ideal energy choice for responding to global climate change and environmental pollution. Furthermore, wave energy has a higher energy density. Compared with some other renewable energy sources, such as solar energy and wind energy, wave energy can provide more considerable power output under the same floor area or volume, which means that its power generation efficiency has a large room for improvement.

[0003] In order to realize the utilization of wave energy, wave energy power generation devices came into being; the current wave energy power generation technologies mainly include oscillating water column type, pendulum type, and point absorption type. The oscillating water column type uses waves to make the water column in the air chamber oscillate up and down, thereby compressing and sucking air to drive the air turbine to generate electricity; the pendulum type uses the swing of waves to push the pendulum body, and then drives the generator to generate electricity through the transmission device; the point absorption type converts mechanical energy into electrical energy with the help of the up and down movement of the floating body under the action of waves. However, these technologies have different degrees of problems in practical applications, such as insufficient energy conversion efficiency, poor equipment stability, great influence by the marine environment, and high construction and maintenance costs. Harsh marine climate conditions, such as strong winds, huge waves, corrosion and marine biological attachment, can cause serious damage to power generation devices, greatly shorten the service life of the equipment, and increase operational risks and costs. Summary of the invention

[0004] The purpose of the present invention is to provide a lantern-shaped wave power generation device to solve one or more technical problems existing in the above-mentioned background technology.

[0005] To achieve this object, the present invention adopts the following technical solutions: A lantern-shaped wave power generation device comprises a buoy, a counterweight and a plurality of power generation units, wherein the counterweight is arranged in the middle of the buoy, and the plurality of power generation units are distributed on the outside and bottom of the counterweight, and the power generation unit comprises a first generator, a second generator, a translation mechanism and a crankshaft connecting rod mechanism, wherein the first generator is fixed on the outside of the counterweight, and the second generator is fixed on the inside of the buoy, one end of the translation mechanism is slidably connected with the counterweight, the input end of the first generator cooperates with the translation mechanism, the other end of the translation mechanism is connected with the connecting rod portion of the crankshaft connecting rod mechanism, and the crankshaft portion of the crankshaft connecting rod mechanism cooperates with the input shaft of the second generator; When the counterweight slides relative to the translation mechanism, the translation mechanism converts the reciprocating motion of the counterweight into the rotational motion of the input end of the first generator; When the counterweight slides to a limit position relative to the translation mechanism, the counterweight pushes the translation mechanism to move as a whole, and the crankshaft-connecting rod mechanism converts the reciprocating linear motion of the translation mechanism into the rotational motion of the second generator input shaft.

[0006] Preferably, the translation mechanism includes a fixed housing, a first universal joint, a rack, a speed increasing assembly and a first input gear. The fixed housing is connected to the counterweight block via the first universal joint. The speed increasing assembly and the first generator are arranged in the fixed housing. One end of the rack extends into the fixed housing and meshes with the input end of the speed increasing assembly. The first input gear is arranged at the input end of the first generator, and the output end of the speed increasing assembly meshes with the first input gear.

[0007] Preferably, the translation mechanism further includes a slide rod, the slide rod is arranged at one end of the rack, and both inner sides of the fixed box body are provided with limited sliding grooves, and the slide rod is slidably matched with the sliding grooves.

[0008] Preferably, the speed increasing assembly includes a first speed increasing gear, a second speed increasing gear and a third speed increasing gear, the first speed increasing gear, the second speed increasing gear and the third speed increasing gear are all rotatably arranged in the fixed housing, the first speed increasing gear is meshed with the rack, the first speed increasing gear and the second speed increasing gear are coaxially arranged, the second speed increasing gear is meshed with the third speed increasing gear, the third speed increasing gear is meshed with the first input gear, the diameter of the first speed increasing gear is smaller than the diameter of the third speed increasing gear, the diameter of the third speed increasing gear is smaller than the diameter of the first input gear, and the diameter of the first input gear is smaller than the diameter of the second speed increasing gear.

[0009] Preferably, the crankshaft-connecting rod mechanism includes a connecting rod portion, a crankshaft portion, a fourth speed-increasing gear and a second input gear, one end of the connecting rod portion is connected to the other end of the rack, the other end of the connecting rod portion is hinged to the crank arm of the crankshaft portion, the fourth speed-increasing gear is arranged on the crankshaft portion, the second input gear is arranged at the input end of the second generator, and the fourth speed-increasing gear is meshed with the second input gear.

[0010] Preferably, the crankshaft connecting rod mechanism comprises a fixed housing and a second universal shaft, the second generator is installed in the fixed housing, and the fixed housing is connected to the side wall of the buoy through the universal shaft.

[0011] Preferably, two of the second generator, the fourth speed-increasing gear and the second input gear are provided, the two second generators are arranged on the left and right sides of the fixed housing, the crankshaft part is located between the two second generators, and the two fourth speed-increasing gears are respectively arranged at the two ends of the crankshaft part.

[0012] Preferably, the power generation unit further includes a first LED lamp bead and a second LED lamp bead, the first LED lamp bead is connected in series to the output end of the first generator, and the second LED lamp bead is connected in series to the output end of the second generator.

[0013] Preferably, it further comprises a battery, wherein the battery is arranged in the counterweight block, and the battery is electrically connected to the output ends of the first generator and the second generator.

[0014] Preferably, the buoy is a sealed cylinder structure.

[0015] The beneficial effects of the present invention are as follows: by arranging a counterweight inside the buoy, when the buoy moves due to the force of the waves, the counterweight inside will continue to move, and the extrusion force generated by the movement of the counterweight acts on the translation mechanism and the crankshaft connecting rod mechanism inside the buoy, thereby converting wave energy into mechanical energy, realizing wave energy power generation, and can be used in conjunction with buoys, offshore towers, etc. to power offshore equipment. By arranging a translation mechanism and a crankshaft connecting rod mechanism, the use of wave motions with different amplitudes and frequencies is realized; when encountering waves with low amplitude and short frequency, the sliding of the counterweight with a relatively small amplitude triggers the action of the translation mechanism, and at this time, the power generation of the first generator is mainly based; and when encountering waves with high amplitude and long frequency, the sliding of the counterweight with a relatively large amplitude triggers the action of the crankshaft connecting rod mechanism, realizing the simultaneous power generation of the first generator and the second generator, thereby effectively covering the dynamic fluctuation range of wave energy and significantly improving the energy capture efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings further illustrate the present invention, but the contents in the accompanying drawings do not constitute any limitation to the present invention.

[0017] Figure 1 is a schematic diagram of the internal structure of one embodiment of the present invention; Figure 2 is a schematic structural diagram of a power generation unit in one embodiment of the present invention; Figure 3 It is a structural schematic diagram of a translation mechanism of one embodiment of the present invention.

[0018] Among them: buoy 1, counterweight 2, power generation unit 3, first generator 31, second generator 32, translation mechanism 33, crankshaft connecting rod mechanism 34, fixed box 331, first cardan shaft 332, rack 333, first input gear 312, slide bar 334, limit slide groove 335, first speed-increasing gear 336, second speed-increasing gear 337, third speed-increasing gear 338, connecting rod part 341, crankshaft part 342, fourth speed-increasing gear 343, second input gear 321, fixed shell 344, second cardan shaft 345, first LED lamp bead 339, second LED lamp bead 346. DETAILED DESCRIPTION

[0019] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0020] A lantern-shaped wave power generation device of this embodiment is shown in FIG. Figure 1 , including a buoy 1, a counterweight 2 and a plurality of power generation units 3, the counterweight 2 is arranged in the middle of the buoy 1, and the plurality of power generation units 3 are distributed on the outside and bottom of the counterweight 2, the power generation unit 3 includes a first generator 31, a second generator 32, a translation mechanism 33 and a crankshaft connecting rod mechanism 34, the first generator 31 is fixed on the outside of the counterweight 2, the second generator 32 is fixed on the inside of the buoy 1, one end of the translation mechanism 33 is slidably connected with the counterweight 2, the input end of the first generator 31 cooperates with the translation mechanism 33, the other end of the translation mechanism 33 is connected with the connecting rod portion 341 of the crankshaft connecting rod mechanism 34, and the crankshaft portion 342 of the crankshaft connecting rod mechanism 34 cooperates with the input shaft of the second generator 32; When the counterweight 2 slides relative to the translation mechanism 33, the translation mechanism 33 converts the reciprocating motion of the counterweight 2 into the rotational motion of the input end of the first generator 31; When the counterweight 2 slides to the limit position relative to the translation mechanism 33 , the counterweight 2 pushes the translation mechanism 33 to move as a whole, and the crankshaft connecting rod mechanism 34 converts the reciprocating linear motion of the translation mechanism 33 into the rotational motion of the input shaft of the second generator 32 .

[0021] By arranging the counterweight 2 inside the buoy 1, when the buoy 1 moves due to the force of waves, the counterweight 2 inside will continue to move accordingly, and the extrusion force generated by the movement of the counterweight 2 acts on the translation mechanism 33 and the crankshaft connecting rod mechanism 34 in the buoy 1, thereby converting wave energy into mechanical energy and realizing wave energy power generation. By setting up a translation mechanism 33 and a crankshaft connecting rod mechanism 34, the utilization of wave motions with different amplitudes and frequencies is realized; when encountering waves with low amplitude and short frequency, the relatively small sliding of the counterweight block 2 triggers the action of the translation mechanism 33, so that the translation mechanism 33 converts the reciprocating motion of the counterweight block 2 into a rotational motion of the input end of the first generator 31, and at this time, the power generation of the first generator 31 is mainly based on the power generation; when encountering waves with high amplitude and long frequency, the counterweight block 2 will slide to a large extent. When the counterweight block 2 slides to the limit position relative to the translation mechanism 33, the continued sliding of the counterweight block 2 will promote the overall movement of the translation mechanism 33, triggering the crankshaft connecting rod mechanism 34 to convert the reciprocating linear motion of the translation mechanism 33 into a rotational motion of the input shaft of the second generator 32, thereby realizing the simultaneous power generation of the first generator 31 and the second generator 32, thereby effectively covering the dynamic fluctuation range of wave energy and significantly improving the energy capture efficiency.

[0022] The number and installation positions of the power generation units 3 can be increased or decreased according to sea areas with different wave frequencies and wave heights, so as to improve the power generation efficiency according to local conditions.

[0023] Preferably, refer to the attached Figure 2 and 3 The translation mechanism 33 includes a fixed housing 331, a first cardan shaft 332, a rack 333, a speed-increasing assembly and a first input gear 312. The fixed housing 331 is connected to the counterweight 2 through the first cardan shaft 332. The speed-increasing assembly and the first generator 31 are arranged in the fixed housing 331. One end of the rack 333 extends into the fixed housing 331 and meshes with the input end of the speed-increasing assembly. The first input gear 312 is arranged at the input end of the first generator 31, and the output end of the speed-increasing assembly meshes with the first input gear 312.

[0024] The counterweight 2 is connected to the fixed box 331 through the first universal shaft 332, and its degree of freedom is fully released, so that the speed increasing assembly and the rack 333 can still maintain effective meshing transmission under the multi-directional force of the waves, thereby improving the reliability of the movement of the device in complex sea conditions. By setting the rack 333 and the speed increasing assembly, when the buoy 1 encounters low-amplitude, short-wave frequency waves, and the counterweight 2 slides slightly relative to the rack 333, the rack 333 and the speed increasing assembly are meshed and transmitted, thereby converting the sliding of the counterweight 2 into the rotational movement of the input end of the first generator 31, realizing the power generation of the first generator 31, and broadening the working condition adaptability range of wave energy capture.

[0025] Preferably, the translation mechanism 33 further includes a slide bar 334, which is arranged at one end of the rack 333. The two inner sides of the fixed box 331 are provided with limited slots 335, and the slide bar 334 is slidably matched with the limited slots 335. By arranging the slide bar 334 on the rack 333 and the slidably matched with the limited slots 335 in the fixed box 331, the counterweight 2 and the translation mechanism 33 can slide relative to each other within a certain range, and when the slide bar 334 slides to the end of the limited slot 335, the counterweight 2 drives the rack 333 to continue to slide, and at this time the rack 333 can be regarded as a fixed rod, thereby triggering the action of the crankshaft connecting rod mechanism 34.

[0026] Preferably, the speed increasing assembly includes a first speed increasing gear 336, a second speed increasing gear 337 and a third speed increasing gear 338, the first speed increasing gear 336, the second speed increasing gear 337 and the third speed increasing gear 338 are all rotatably arranged in the fixed housing 331, the first speed increasing gear 336 is meshed with the rack 333, the first speed increasing gear 336 and the second speed increasing gear 337 are coaxially arranged, the second speed increasing gear 337 is meshed with the third speed increasing gear 338, the third speed increasing gear 338 is meshed with the first input gear 312, the diameter of the first speed increasing gear 336 is smaller than the diameter of the third speed increasing gear 338, the diameter of the third speed increasing gear 338 is smaller than the diameter of the first input gear 312, and the diameter of the first input gear 312 is smaller than the diameter of the second speed increasing gear 337. Thus, by arranging the first speed increasing gear 336, the second speed increasing gear 337 and the third speed increasing gear 338, not only the motion meshing with the rack 333 is converted into the rotational motion input to the input end of the first generator 31, but also the speed increasing function is played, thereby improving the utilization rate of wave energy.

[0027] Preferably, the crankshaft connecting rod mechanism 34 includes a connecting rod portion 341, a crankshaft portion 342, a fourth speed-increasing gear 343 and a second input gear 321, one end of the connecting rod portion 341 is connected to the other end of the rack 333, the other end of the connecting rod portion 341 is hinged to the crank arm of the crankshaft portion 342, the fourth speed-increasing gear 343 is arranged on the crankshaft portion 342, the second input gear 321 is arranged at the input end of the second generator 32, and the fourth speed-increasing gear 343 is meshed with the second input gear 321.

[0028] By connecting the connecting rod part 341 with the rack 333 and hinged with the crankshaft part 342, when the buoy 1 is subjected to waves with high amplitude and strong wave frequency, the counterweight block 2 slides to the limit position and then continues to push the rack 333, so that the crankshaft part 342 moves to a position of half a rotation under the engagement of the fourth speed-increasing gear 343 and the second input gear 321. After changing the direction, the crankshaft rod and the rack 333 change direction at the same time, so that the crankshaft part 342 can make a complete rotation. In this process, the reciprocating linear motion of the translation mechanism 33 is converted into the rotational motion of the input shaft of the second generator 32 through the engagement and rotation with the fourth speed-increasing gear 343.

[0029] Preferably, the crankshaft connecting rod mechanism 34 includes a fixed housing 344 and a second cardan shaft 345, the second generator 32 is installed in the fixed housing 344, and the fixed housing 344 is connected to the side wall of the buoy 1 through the second cardan shaft 345. Similarly, the buoy 1 and the fixed housing 344 are connected through the second cardan shaft 345, which can fully release the degree of freedom, so that the fourth speed-increasing gear 343 and the second input gear 321 can still maintain effective meshing transmission under the multi-directional force of waves, thereby improving the reliability of the movement of the device in complex sea conditions.

[0030] Preferably, two second generators 32, four speed-increasing gears 343 and two second input gears 321 are provided, the two second generators 32 are arranged on the left and right sides of the fixed housing 344, the crankshaft part 342 is located between the two second generators 32, and the two fourth speed-increasing gears 343 are respectively arranged at the two ends of the crankshaft part 342.

[0031] By providing two second generators 32, not only can power superposition be achieved through the synchronous operation of the two second generators 32, but the risk of single-machine overload is also avoided under extreme working conditions, ensuring continuous and stable power generation of the device under various sea conditions.

[0032] Preferably, the power generation unit 3 further includes a first LED lamp bead 339 and a second LED lamp bead 346, wherein the first LED lamp bead 339 is connected in series to the output end of the first generator 31, and the second LED lamp bead 346 is connected in series to the output end of the second generator 32. By arranging the first LED lamp bead 339 and the second LED lamp bead 346 to be connected in series to the first generator 31 and the second generator 32 respectively, when the first generator 31 and the second generator 32 are operating in normal power generation, the first LED lamp bead 339 and the second LED lamp bead 346 are continuously lit, so that when a fault occurs, the fault position can be quickly located by the state of the first LED lamp bead 339 and the second LED lamp bead 346, and the working state of the power generation unit 3 can be quickly determined without disconnecting the circuit, thereby realizing non-contact detection.

[0033] Preferably, a battery is also included, and the battery is arranged in the counterweight block 2, and the battery is electrically connected to the output ends of the first generator 31 and the second generator 32. By embedding the battery in the counterweight block 2, the electric energy converted by the power generation unit 3 can be transmitted to the battery in time, and can be used directly after adjusting the voltage, and can be used to power offshore equipment in conjunction with buoys, offshore towers, etc.

[0034] Preferably, the buoy 1 is a sealed cylinder structure. The buoy 1 with a sealed cylinder structure ensures sealing, isolates the contact between seawater and the power generation unit 3, prolongs the life of the power generation unit 3, and protects the power generation unit 3 from the influence of marine nearshore garbage and the complex and changeable marine environment.

[0035] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the scope of protection of the present invention.

Claims

1. A lantern-shaped wave power generation device, characterized in that: It includes a buoy, a counterweight and a plurality of power generation units, wherein the counterweight is arranged in the middle of the buoy, and the plurality of power generation units are distributed on the outside and bottom of the counterweight, and the power generation unit includes a first generator, a second generator, a translation mechanism and a crankshaft connecting rod mechanism, wherein the first generator is fixed on the outside of the counterweight, and the second generator is fixed on the inside of the buoy, one end of the translation mechanism is slidably connected with the counterweight, the input end of the first generator cooperates with the translation mechanism, the other end of the translation mechanism is connected with the connecting rod part of the crankshaft connecting rod mechanism, and the crankshaft part of the crankshaft connecting rod mechanism cooperates with the input shaft of the second generator; When the counterweight slides relative to the translation mechanism, the translation mechanism converts the reciprocating motion of the counterweight into the rotational motion of the input end of the first generator; When the counterweight slides to a limit position relative to the translation mechanism, the counterweight pushes the translation mechanism to move as a whole, and the crankshaft-connecting rod mechanism converts the reciprocating linear motion of the translation mechanism into the rotational motion of the second generator input shaft.

2. A lantern-shaped wave power generation device according to claim 1, characterized in that: The translation mechanism includes a fixed housing, a first cardan shaft, a rack, a speed increasing assembly and a first input gear. The fixed housing is connected to the counterweight block via the first cardan shaft. The speed increasing assembly and the first generator are arranged in the fixed housing. One end of the rack extends into the fixed housing and meshes with the input end of the speed increasing assembly. The first input gear is arranged at the input end of the first generator, and the output end of the speed increasing assembly meshes with the first input gear.

3. A lantern-shaped wave power generation device according to claim 2, characterized in that: The translation mechanism further includes a slide bar, which is arranged at one end of the rack. Both inner sides of the fixed box are provided with limited sliding grooves, and the slide bar is slidably matched with the sliding grooves.

4. A lantern-shaped wave power generation device according to claim 2, characterized in that: The speed increasing assembly includes a first speed increasing gear, a second speed increasing gear and a third speed increasing gear. The first speed increasing gear, the second speed increasing gear and the third speed increasing gear are all rotatably arranged in the fixed housing. The first speed increasing gear is meshed with the rack. The first speed increasing gear and the second speed increasing gear are coaxially arranged. The second speed increasing gear is meshed with the third speed increasing gear. The third speed increasing gear is meshed with the first input gear. The diameter of the first speed increasing gear is smaller than the diameter of the third speed increasing gear. The diameter of the third speed increasing gear is smaller than the diameter of the first input gear. The diameter of the first input gear is smaller than the diameter of the second speed increasing gear.

5. A lantern-shaped wave power generation device according to claim 2, characterized in that: The crankshaft-connecting rod mechanism includes a connecting rod portion, a crankshaft portion, a fourth speed-increasing gear and a second input gear. One end of the connecting rod portion is connected to the other end of the rack, and the other end of the connecting rod portion is hinged to the crank arm of the crankshaft portion. The fourth speed-increasing gear is arranged on the crankshaft portion, and the second input gear is arranged at the input end of the second generator. The fourth speed-increasing gear is meshed with the second input gear.

6. A lantern-shaped wave power generation device according to claim 5, characterized in that: The crankshaft connecting rod mechanism comprises a fixed housing and a second universal shaft, the second generator is installed in the fixed housing, and the fixed housing is connected to the side wall of the buoy through the universal shaft.

7. A lantern-shaped wave power generation device according to claim 6, characterized in that: The second generator, the fourth speed-increasing gear and the second input gear are each provided with two, the two second generators are arranged on the left and right sides of the fixed housing, the crankshaft part is located between the two second generators, and the two fourth speed-increasing gears are respectively arranged at the two ends of the crankshaft part.

8. The lantern-shaped wave power generation device according to claim 1, characterized in that: The power generation unit further includes a first LED lamp bead and a second LED lamp bead, wherein the first LED lamp bead is connected in series to the output end of the first generator, and the second LED lamp bead is connected in series to the output end of the second generator.

9. The lantern-shaped wave power generation device according to claim 1, characterized in that: It also includes a battery, which is arranged in the counterweight block and is electrically connected to the output ends of the first generator and the second generator.

10. The lantern-shaped wave power generation device according to claim 1, characterized in that: The buoy is a sealed cylinder structure.

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