Composite cycle energy conversion system

The invention belongs to the technical field of environmental protection and energy conservation, and discloses a composite cycle energy conversion system. The system comprises an energy storage module, a condensation energy collection module, a condensation energy distribution module, an evaporation energy collection module, an evaporation energy distribution module, an environment energy collection module, a heat collection and voltage stabilization module, a heat exchange interface module, a throttling module, a through-flow module and a middle module, wherein the energy storage module forms an independent circulation body A; media in the condensation energy collection and condensation energy distribution module, media in the evaporation energy collection and evaporation energy distribution module, media in the heat collection and pressure stabilization module and media in the heat exchange interface module are communicated to form a circulation body B; and a circulation body C is arranged in the middle mo