| With the continuous consumption of fossil fuels in society,the problem of lack of energy is serious,and many countries have begun to focus on renewable energy such as ocean energy.As an emerging energy source,wave energy is clean,reliable and recyclable.Its vigorous development is of great significance to the sustainable development of the whole society.To this end,this paper proposes a torpedo-like wave power generation device that utilizes the relationship between wave motion and float vibration to efficiently absorb wave energy.Firstly,the background and significance of wave power generation equipment in modern society are introduced.The current situation of wave energy generation at home and abroad is summarized.Finally,the advantages and disadvantages of various types of wave generators are summarized.On this basis,A new type of wave power generation device-like torpedo type wave generator,which uses the impact force of wave energy to make the vibrator periodically vibrate in the horizontal direction under the interaction of the spring vibration device and the slide rail structure,greatly Increased conversion efficiency between wave energy and electrical energy.Secondly,the principle and key structure of wave motion and float vibration and impeller cylinder and gear transmission vibration power generation system are studied.The solid three-dimensional modeling of the device is carried out by Solidworks software.The research and research and design of the key structure of the device are carried out.The ground adopts the cooperation mode of the impeller cylinder and the gear transmission speed increasing system.The impeller absorbs the wave energy and starts to rotate.After the gear device is transmitted to the pinion gear,the rotation speed is increased,the synchronous speed of the permanent magnet generator is increased,and the wave energy is efficiently absorbed.The micro-amplitude wave theory and the Froude-Krylov hypothesis method are used to calculate the wave force and the horizontal oscillation displacement of the vibrator in each part of the system.Then the calculation results are analyzed by Matlab simulation software.Then establish the equivalent model of the vibration system and solve the differential equation,analyze the vibration mode of the vibration system,solve the steady solution of the vibration system,and specify the spring stiffness coefficient of the vibration system and the damping coefficient of the system to derive the corresponding amplitude.The expression is obtained by Matlab software and the corresponding analysis is carried out.Then the Fluent software is used to simulate and optimize the number of impeller blades.The optimal impeller selection is obtained by comparing the pressure cloud map with the velocity cloud map.Finally,the DH matrix transformation is solved by establishing the linkage coordinate system for the simplified vibration model,the dynamic equation is established and the expressions of the kinetic energy and potential energy of the system are solved.The Adams software is used to simulate the dynamics of the vibration system,and the rationality of the simplified vibration model is carried out.Verification,thus verifying the feasibility of the entire device,the feasibility of the whole device is verified by comparing the physical experimental model data with the simulation data.It is concluded that the displacement of the vibrator changes periodically with time and is a sinusoidal curve.The middle part only stagnate for 0.5 s due to the coupling of the spring and the wave force,and the amplitude is maintained at 1.3 m,with amplitude.The frequency response curve data is consistent and meets the expected standards to meet the design requirements of the wave power generation device.The pinion gear has a maximum speed of 1 862 deg/s,which meets the design requirements of the power generating unit. |
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