Micro reaction device without fluid medium and power control method thereof

The embodiment of the invention provides a fluid medium-free miniature reaction device and a power control method thereof, and relates to the technical field of miniature nuclear reactors. The micro reaction device comprises a first shielding shell, an energy converter, a driving mechanism and a reaction exciter; the reaction exciter is mounted in the first shielding shell, and the driving mechanism is mounted at the top of the reaction exciter; the plurality of energy converters are uniformly inserted into the first shielding shell at intervals around the reaction exciter; the energy converter comprises a fixed shell and a first fuel element arranged in the fixed shell, and a first opening is formed in the part, inserted into the first shielding shell, of the fixed shell; the reaction exciter comprises a rotating shell and a second fuel element arranged in the rotating shell, a second opening is formed in the rotating shell, and the rotating shell rotates to adjust the opposite area of the second opening and