Nested inclined truncated light-gathering device for lunar in-situ oxygen production

By designing a nested oblique-section concentrator, the compatibility problem between high-temperature pyrolysis of lunar soil and medium-temperature heating by an electrochemical oxygen pump was solved, achieving a compact integrated layout of the high-temperature pyrolysis and medium-temperature heating zones and effective gas collection and separation.

CN122408262APending Publication Date: 2026-07-17HARBIN INST OF TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HARBIN INST OF TECH
Filing Date
2026-05-25
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing concentrators cannot simultaneously meet the requirements of high-temperature pyrolysis of lunar soil and medium-temperature heating by electrochemical oxygen pumps within the same device, and they cannot effectively collect and separate oxygen-containing mixed gases released from lunar soil.

Method used

A nested oblique-cut concentrator is designed, which forms a central high-energy flow region and an outer medium-energy flow region by coaxially nesting a central composite parabolic concentrator and an oblique-cut annular composite parabolic concentrator. An electrochemical oxygen pump and a gas diffusion space are set in the device to achieve a coordinated layout of high-temperature pyrolysis and medium-temperature heating.

Benefits of technology

It achieves a compact, integrated layout of high-temperature pyrolysis and medium-temperature heating zones, meeting the temperature requirements of lunar soil high-temperature pyrolysis and electrochemical oxygen pumps, and effectively collecting and separating oxygen-containing mixed gases.

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Abstract

本发明公开了一种月面原位制氧用的嵌套式斜截聚光装置,涉及深空探测、太阳能热利用和月面原位资源利用技术领域;该装置包括斜截式环形复合抛物面聚光器、中央复合抛物面聚光器和电化学氧泵;中央复合抛物面聚光器同轴嵌套设置于斜截式环形复合抛物面聚光器的中心空腔内,二者具有相同的轴向高度,并共用同一中心轴;斜截式环形复合抛物面聚光器的底部出口由斜截平面切削形成倾斜截面,所述斜截平面的位置和倾斜方向由中央复合抛物面聚光器与斜截式环形复合抛物面聚光器的几何边界共同确定;中央复合抛物面聚光器的底部出口为开放式出口结构,并在使用状态下朝向月表靶区;电化学氧泵设置于倾斜截面下方,其受热面沿倾斜截面的延伸方向布置,其进气侧朝向中央复合抛物面聚光器下方的气体扩散空间;该装置通过同轴嵌套结构、斜截出口结构和倾斜装配结构,实现中央高能流区、外围中能流区和气体扩散空间的一体化结构配置,适用于月面原位月壤直接加热、热解释放气体汇集及电化学氧泵加热场景。
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