Piezoelectric ceramic-based building external wall power generation system device
A technology for building exterior walls and power generation systems, applied in battery circuit devices, circuit devices, piezoelectric effect/electrostrictive or magnetostrictive motors, etc., can solve the problems of low power generation efficiency of wind turbines and insufficient utilization of wind energy. , to avoid bearing wear
Inactive Publication Date: 2018-11-30
SHANGHAI UNIVERSITY OF ELECTRIC POWER
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Problems solved by technology
Therefore, the efficiency of using wind turbines to generate electricity in cities is low, and some wind energy cannot be fully utilized.
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[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0017] The building exterior wall power generation system based on piezoelectric ceramics of the present invention, the main part of the system is a piezoelectric ceramic array power generation system. figure 1 Shown is the smallest power generation module, which includes five pieces of piezoelectric ceramics 1 and a rectangular base 2. Positioning holes 3 are set at both ends of the base 2, and the power generation module can be fixed to the building by fastening devices such as screws. On the outer wall, such a power generation module is convenient to operate and install as the smallest power generation unit. There is a bus interface 4 of the power generation module at one end of the base 2, which is used to connect all the power generation modules to form a power generation part. In terms of layout, considering the reasonable use of wind energy, a ce...
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The invention relates to a piezoelectric ceramic-based building external wall power generation system. A power generation module array is connected with a rectifying and filtering device, the rectifying and filtering device boosts the unstable current from piezoelectric ceramic pieces, adjusts the waveform, and stores the current through a capacitor, the capacitor is connected to a voltage stabilization charging circuit of a voltage stabilization charging device and charges a storage battery of an energy storage device, and a controller controls the charging and discharging of the energy storage device and then supplies power to a building. According to the scheme of the invention, the piezoelectric ceramic pieces are directly used to generate power through wind energy, modules composed ofthe piezoelectric ceramic pieces are arranged in an available area of the walls around the building, when the wind blows through the building walls, the power can be generated, and the electric energy can be stored by the system and then can be used for the electrical load of the building. Even if the wind speed is small, the piezoelectric ceramic pieces can also generate the power, and as long as the wind speed changes, the piezoelectric ceramic pieces can generate current. The scheme of the invention fully utilizes the characteristics of the wind energy, and in addition, the system proposedby the invention does not include rotating parts, and thus the bearing wear and corresponding maintenance operations can be avoided.
Description
technical field [0001] The invention relates to a power generation system utilizing wind energy, in particular to a wind power generation system which utilizes the piezoelectric effect of piezoelectric ceramics to generate power from wind energy on building exterior walls. technical background [0002] Wind energy has been widely used as a clean energy source. The principle of various wind generators is to convert the kinetic energy of the wind into the kinetic energy of the rotation of the fan blades, and the impeller drives the generator through the transmission device to generate electricity. The electric energy generated by the wind turbine enters the power grid after DC-AC conversion, or charges the storage battery. But only when the wind speed is greater than the starting wind speed of the fan, the fan can rotate and generate electricity. In cities, due to factors such as building blocks, the wind speed is usually low. When the wind speed is light, the fan cannot be s...
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Login to View More IPC IPC(8): H02N2/18H02J7/32
CPCH02N2/185H02J7/32
Inventor 朱群志肖亮朱胜奎李琛张涛段如涛
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER