Hollow-out self-adjusting balance floating type wave power generation device
The floating wave energy generation device, with its modular design and dynamic blade adjustment, solves the problem of low efficiency of traditional devices under different water flow conditions, achieves efficient energy capture and conversion, adapts to complex marine environments, and reduces maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-04-03
AI Technical Summary
Existing wave energy power generation devices are inefficient in adapting to different water flow conditions, have complex mechanical structures and poor corrosion resistance, low energy conversion efficiency, high maintenance costs, and are difficult to operate stably in complex marine environments.
The modularly designed, hollowed-out, self-adjusting, floating wave energy generator adjusts the turbine blade angle in real time through sensors and control modules. Combined with high-strength, lightweight materials and protective coatings, it achieves dynamic energy capture and conversion, and has a simple structure that is easy to maintain.
It improves energy capture and conversion efficiency, reduces maintenance costs, enhances the stability and reliability of the device in complex aquatic environments, and achieves efficient energy conversion and transmission.
Smart Images

Figure CN224079242U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of green energy technology, specifically to a hollowed-out self-adjusting balance floating wave energy power generation device. Background Technology
[0002] With the continued growth of global energy demand, the finite nature of traditional fossil fuel resources and the environmental damage caused by their use are becoming increasingly prominent. Developing clean and renewable energy has become an important way to solve the global energy crisis and ecological and environmental problems. Ocean wave energy, as a stable and abundant renewable energy source, is of great significance in the global energy system transformation. Furthermore, traditional equipment has limitations in adapting to different water flow conditions.
[0003] In the field of fluid mechanics, wave energy generation devices require a thorough understanding of wave motion characteristics, including the impact of parameters such as wave height, wavelength, and period on energy capture. In existing technologies, many wave energy devices fail to effectively utilize nonlinear wave characteristics, resulting in low energy capture efficiency. Furthermore, fluid dynamics models have limitations in analyzing the interaction between waves and the device, especially in situations involving multiple superimposed waves or complex flow fields.
[0004] In the field of mechanical design and manufacturing technology, mechanical design and manufacturing technology is the key to ensuring the reliability and efficiency of equipment. Existing equipment often has a complex mechanical structure, high maintenance costs, and poor fatigue resistance and corrosion resistance.
[0005] In the field of materials science, wave energy devices are exposed to high humidity and high salinity marine environments for extended periods, making the corrosion resistance of materials crucial. Traditional equipment uses materials with insufficient durability, making them susceptible to seawater erosion and failure.
[0006] In the field of marine engineering, the complexity of the marine environment places higher design requirements on wave energy devices, including the stability of floating platforms, the reliability of anchoring systems, and the device's resistance to wind and waves.
[0007] In the field of energy technology, the core challenge of wave energy conversion is to achieve efficient and stable conversion of mechanical energy into electrical energy. Traditional power generation systems suffer from low energy conversion efficiency due to inaccurate speed matching or insufficient torque regulation.
[0008] The above-mentioned industries mainly focus on the utilization of wave energy by water turbines in the ocean; other industries will not be discussed further.
[0009] Traditional equipment for utilizing wave energy in the ocean has limitations in adapting to different water flow conditions, resulting in unsatisfactory working efficiency and requiring a large investment of human, material, and financial resources. Utility Model Content
[0010] The purpose of this invention is to address the shortcomings and deficiencies of existing technologies by providing a hollowed-out, self-adjusting, balanced floating wave energy generation device. Compared to traditional equipment, its control module dynamically adjusts the angle of the turbine blades to ensure energy conversion under different water flow conditions. Each module is independently detachable, facilitating transportation, installation, and maintenance, and adapting to various complex aquatic environments. Through sensors and the control module, water flow parameters and equipment operating status parameters are collected and transmitted in real time. This device has a simple structure, is easy to master, and has high reliability.
[0011] To achieve the above objectives, the present invention adopts the following technical solution: it includes a floating platform, a water turbine device, a transmission system, and a power generation system;
[0012] The floating platform includes a ring-shaped balancing structure and a cavity structure. The ring-shaped balancing structure has a floating outer cavity, and the ring-shaped balancing structure and the cavity structure are fixed by several solid connecting rods. An inner support platform is integrally formed horizontally in the cavity inside the cavity structure. A flow channel is opened below the outer side of the cavity inside the cavity structure, and a floating inner cavity is opened in a ring shape above the outer side of the cavity. A top end cap is fixed on the top opening of the cavity structure.
[0013] The turbine assembly includes turbine blades and a turbine main shaft; the turbine blades are fixed to the outside of the turbine main shaft;
[0014] The transmission system includes an input shaft, a first gear pair, a second gear pair, and an output shaft. The input shaft is a splined shaft and is fixed to the turbine main shaft. The top end of the input shaft passes through the cavity inside the cavity structure and is located below the inner support platform. An intermediate shaft is rotatably mounted on the bottom wall of the cavity. The input shaft and the intermediate shaft are connected by a first gear pair, and the intermediate shaft and the output shaft are connected by a second gear pair.
[0015] The power generation system includes a generator and a battery; the generator is fixed on the upper part of the inner support platform, and its output end passes through the inner support platform and is connected to the output shaft; the generator is connected to the battery through wires and a regulator; the battery is fixed on the inner support platform.
[0016] Preferably, a rolling ball is embedded in the annular groove formed on the top center boss of the top end cap.
[0017] Preferably, the lower end of the input shaft is fitted with a bottom end cover, and the bottom end cover is fixed to the turbine main shaft with several screws.
[0018] Preferably, a gasket is sandwiched between the bottom end cover and the turbine main shaft.
[0019] Preferably, a control module is installed on the inner support platform, and a sensor is installed at the bottom of the turbine main shaft. The sensor is electrically connected to the control module, and the data is remotely transmitted through the wireless transmission module in the control module.
[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model provides a hollowed-out self-adjusting balance floating wave energy power generation device. Compared with traditional equipment, its control module dynamically adjusts the angle of the turbine blades to ensure that the equipment can achieve energy conversion under different water flow conditions; each module is independently detachable, which is convenient for transportation, installation and maintenance, and adapts to a variety of complex aquatic environments; through sensors and control modules, water flow parameters and equipment operating status parameters are collected and transmitted in real time, reducing manual intervention. This equipment has a simple structure, is easy to master, and has high reliability. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the structure of this utility model.
[0022] Figure 2 This is a cross-sectional view of the present invention.
[0023] Figure 3 This is a top sectional view of the present invention.
[0024] Figure 4 This is a three-dimensional schematic diagram of the present invention.
[0025] Figure 5 This is a schematic diagram of the structure of the water turbine device of this utility model.
[0026] Figure 6 This is a bottom view of the water turbine device in this utility model.
[0027] Explanation of reference numerals in the attached figures:
[0028] 1. Ring-shaped balance structure; 2. Water turbine blades; 3. Screws; 4. Bottom end cover; 5. Gaskets; 6. Input shaft; 7. Gear pair one; 8. Gear pair two; 9. Floating inner cavity; 10. Generator; 11. Water turbine main shaft; 12. Floating outer cavity; 13. Solid connecting rod; 14. Intermediate shaft; 15. Battery; 16. Wires; 17. Control module; 18. Output shaft; 19. Cavity structure; 20. Inner support platform; 21. Top end cover; 22. Ball bearing; 23. Sensor; 24. Flow channel. Detailed Implementation
[0029] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0030] like Figures 1-6As shown, this specific embodiment adopts the following technical solution: it includes a floating platform, a water turbine device, a transmission system, and a power generation system; the floating platform is made of high-strength, lightweight, and corrosion-resistant alloy or composite material, and its surface is treated with a protective coating;
[0031] The floating platform includes an annular balancing structure 1 and a cavity structure 19. The annular balancing structure 1 has a floating outer cavity 12, and the annular balancing structure 1 and the cavity structure 19 are fixed together by several solid connecting rods 13. An inner support platform 20 is integrally formed horizontally in the cavity inside the cavity structure 19. A hollow flow channel 24 is opened below the outer side of the cavity inside the cavity structure 19 to stabilize the water flow distribution. A floating inner cavity 9 is opened annularly above the outer side of the cavity. A top end cap 21 is fixed to the top opening of the cavity structure 19. A rolling ball 22 is embedded in an annular groove opened on the top center protrusion of the top end cap 21. A rope passes through the rolling ball 22 and is connected to an external traction structure to facilitate the recovery of the whole.
[0032] The water turbine device includes water turbine blades 2 and a water turbine main shaft 11; the surface of the water turbine blades 2 is treated with a protective coating and is fixed to the outside of the water turbine main shaft 11. The water turbine blades 2 have a curved structure and are fixed to the outer wall of the water turbine main shaft 11 from top to bottom.
[0033] The transmission system includes an input shaft 6, a first gear pair 7, a second gear pair 8, and an output shaft 18. The input shaft 6 is a splined shaft, which is fixed to the spline groove inside the turbine main shaft 11. A bottom end cover 4 is sleeved on the lower end of the input shaft 6, and the bottom end cover 4 is fixed to the turbine main shaft 11 by several screws 3. A gasket 5 is sandwiched between the bottom end cover 4 and the turbine main shaft 11 to fill gaps, prevent leakage, and reduce friction and wear between components. The top end of the input shaft 6 passes through the cavity inside the cavity structure 19 and is located in the inner support. Below platform 20, and rotatably mounted on the bottom wall of the cavity, is an intermediate shaft 14. The input shaft 6 is connected to the intermediate shaft 14 by a gear pair 7, and the intermediate shaft 14 is connected to the output shaft 18 by a gear pair 8. Both gear pairs 7 and 8 consist of two gears, one large and one small, meshing with each other. In gear pair 7, the large gear is fitted onto the intermediate shaft, and the small gear is fitted onto the input shaft 6. In gear pair 8, the large gear is fitted onto the output shaft 18, and the small gear is fitted onto the intermediate shaft 14.
[0034] The power generation system includes a generator 10 and a battery 15; the generator 10 is fixed on the upper part of the inner support platform 20, and its output end passes through the inner support platform 20 and is connected to the output shaft 18; and the generator 10 is connected to the battery 15 through a wire 16 and a regulator; the battery 15 is fixed on the inner support platform 20.
[0035] The inner support platform 20 is equipped with a control module 17, and a sensor 23 is installed at the bottom of the turbine main shaft 11. The sensor 23 is electrically connected to the control module 17 and remotely transmits data through the wireless transmission module in the control module 17.
[0036] This utility model is based on a modular structural design, utilizing the synergistic effect of a floating platform, a water turbine device, a transmission system, and a power system to capture and convert wave energy. Specifically: the floating platform maintains overall stability by stabilizing the water flow distribution through the hollowed-out flow channel 24 within the annular balance structure 1, and maintains optimal posture under complex water conditions; the water turbine device dynamically adjusts the angle of the turbine blades 2 through the control module 17 to adapt to different flow velocity conditions, captures water kinetic energy, and converts it into mechanical energy through the transmission system. The control module 17, combined with sensors, monitors water flow parameters in real time to optimize the device's operating efficiency; waves drive the turbine blades 2, thereby driving the turbine main shaft 11 and input shaft 6 to rotate. The transmission system is equipped with a double-stage gear (gear pair 1 7 and gear pair 2 8) speed change device to adjust the mechanical energy to the rated input parameters of the generator 10, ensuring efficient power output; when the device finishes working, it is retrieved by a ball bearing 22 in conjunction with a rope.
[0037] Compared with the prior art, the beneficial effects of this utility model are:
[0038] 1. This utility model effectively improves the ability to capture water kinetic energy and achieves efficient wave energy conversion by optimizing the shape design and dynamic adjustment function of the water turbine blades.
[0039] 2. This utility model adopts a modular design concept to simplify the structure. At the same time, the energy transmission efficiency of the transmission system is optimized by designing two sets of gear pairs. The connection method between the turbine main shaft and the gear pair (such as spline groove) improves the transmission stability and extends the service life of the equipment. In addition, each component adopts an independent and detachable design, which facilitates transportation, installation and maintenance.
[0040] 3. This utility model uses high-strength, lightweight and corrosion-resistant alloy or composite materials to ensure long-term stable operation of the device in harsh environments. At the same time, key components (such as turbine blades and floating platforms) are treated with protective coatings to further improve corrosion resistance.
[0041] 4. This utility model features a ring-shaped balancing structure and a hollowed-out flow channel on the floating platform to ensure that the device remains stable even under strong wind and wave conditions.
[0042] 5. This utility model achieves precise matching between mechanical energy and the rated parameters of the generator through a two-stage speed change device (gear pair one and gear pair two) and a control module. Furthermore, the system is equipped with a high-efficiency generator and energy storage devices such as batteries, which can minimize energy loss and reduce operating and maintenance costs.
[0043] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A hollowed-out, self-adjusting, balanced, floating wave energy generation device, characterized in that: It contains floating platform, water wheel device, transmission system and power generation system; The floating platform contains annular balance structure (1) and cavity structure (19), the floating outer cavity (12) is arranged in the annular balance structure (1), and the annular balance structure (1) is fixed between the cavity structure (19) by a plurality of solid connecting rods (13); the inner support platform (20) is integrally formed in the cavity of the cavity structure (19); the flow channel (24) is arranged at the lower position outside the cavity in the cavity structure (19), the floating inner cavity (9) is arranged at the upper position outside the cavity in the form of ring, and the top cover (21) is fixed on the top opening of the cavity structure (19); The water wheel device contains water wheel blade (2) and water turbine main shaft (11); the water wheel blade (2) is fixed outside the water turbine main shaft (11); The transmission system contains input shaft (6), gear pair one (7), gear pair two (8) and output shaft (18); the input shaft (6) is a spline shaft, which is fixed with the water turbine main shaft (11); the top end of the input shaft (6) is arranged in the cavity of the cavity structure (19), and is located below the inner support platform (20), and the intermediate shaft (14) is rotatably installed on the inner bottom wall of the cavity, the input shaft (6) and the intermediate shaft (14) are drivingly connected by the gear pair one (7), and the intermediate shaft (14) and the output shaft (18) are drivingly connected by the gear pair two (8); The power generation system contains generator (10) and battery (15); the generator (10) is fixed on the upper part of the inner support platform (20), the output end of the generator (10) penetrates through the inner support platform (20) and is connected with the output shaft (18); and the generator (10) is connected with the battery (15) through the wire (16) and the regulator; the battery (15) is fixed on the inner support platform (20).
2. The hollow self-adjusting balanced floating wave energy power generation device according to claim 1, characterized in that: The annular groove arranged on the top center boss of the top cover (21) is embedded with the rolling ball (22).
3. The hollow self-adjusting balanced floating wave energy power generation device according to claim 2, characterized in that: The bottom end of the input shaft (6) is sleeved with the bottom cover (4), and the bottom cover (4) is fixed with the water turbine main shaft (11) by a plurality of screws (3).
4. The hollow self-adjusting balanced floating wave energy power generation device according to claim 3, characterized in that: The gasket (5) is arranged between the bottom cover (4) and the water turbine main shaft (11).
5. The hollow self-adjusting balanced floating wave energy power generation device according to claim 4, characterized in that: The control module (17) is installed on the inner support platform (20), the sensor (23) is installed at the bottom end of the water turbine main shaft (11), and the sensor (23) is electrically connected with the control module (17).