A magnetic field modulation up-frequency electromagnetic energy harvesting device
A magnetic field modulation and energy harvesting technology, applied in electromechanical devices, mechanical energy control, magnetic circuit shape/style/structure, etc., can solve the problems of limited output power and low energy harvesting efficiency
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[0028] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0029] refer to figure 1 , figure 2 , image 3 , Figure 4 , an electromagnetic energy harvesting device of a magnetic field modulation up-frequency type, comprising a central shaft 9 on which an up-frequency magnetic ring 4, a magnetic field modulation ring 8, an energy-harvesting magnetic ring 11 and a base 15 are installed from top to bottom; The frequency magnetic ring 4 is connected on the central shaft 9 through the first bearing 3, the energy-capturing magnetic ring 11 is connected on the central shaft 9 through the second bearing 10, and the frequency-up magnetic ring 4 and the energy-capturing magnetic ring 8 can pass through the first bearing respectively 3 and the second bearing 10 freely rotate around the central axis 9; the magnetic field modulation ring 8 and the base 15 are fixed on the central axis 9;
[0030] The first magnet gro...
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