A multi-stage self-adaptive solid-state heat engine power generation system

By using a multi-stage adaptive solid-state thermal engine system with a distributed thermal switching network and self-excited oscillation control logic, the problem of power conversion of high-density heat flow under extreme temperatures is solved, achieving efficient power conversion and heat dissipation. This breaks through the bottlenecks of space launch and wireless power transmission, reduces the cost of space launch, and opens up a new economic paradigm for the utilization of outer space resources.

CN122419262APending Publication Date: 2026-07-17
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Filing Date
2026-05-06
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies struggle to efficiently convert high-density heat flux into electrical energy at extreme temperatures, rendering thermal protection systems in space launches a "dead weight," and wireless energy transmission suffers from directional and efficiency issues.

Method used

A multi-stage adaptive solid-state thermoelectric system employing a distributed thermal switching network and self-excited oscillation control logic converts the minute deformation of thermally stressed materials into electrical energy through a constrained force-bearing structure and a piezoelectric ceramic array, achieving passive adaptive cascade conversion of thermal energy.

Benefits of technology

Transforming thermal protection systems from "dead weight" into "power plants" increases the payload ratio, breaks through the bottleneck of wireless energy transmission, achieves efficient power conversion and heat dissipation, reduces space launch costs, and opens up a new economic paradigm for the utilization of outer space resources.

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Abstract

本发明公开了一种多级自适应固态热机发电系统,由至少一个热核构成。热核包括四个约束式受力结构的做功单元、分布式开关阵列及组合逻辑控制电路。开关阵列控制四个做功单元与热源、冷源及回热通道的热路连接,建立两两互为回热的热量循环路径。控制电路以互为回热的两个做功单元的压电电压差值达预设阈值作为触发条件,实现全局状态同步切换,热流管路在任一切换状态下均保持导通。多个热核可串联构成梯级级联架构,亦可并联扩展功率;各热核设有独立散热总线接口,将废热输送至温度品位相匹配的热核实现全利用。本发明完全被动、自适应运行,兼具高效散热与高效发电功能。
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