Thermal management system and method for on-orbit satellite COTS device
By accurately modeling and thermally simulating COTS devices, and combining dynamic external heat and power consumption data, the operating mode is adjusted, solving the problem of low thermal simulation accuracy of COTS devices in orbital satellites, and realizing precise thermal management and performance maintenance.
CN122087953APending Publication Date: 2026-05-26BEIJING UNIV OF POSTS & TELECOMM
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Patent Information
- Application Number
- CN202610104041.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-26
- Publication Date
- 2026-05-26
AI Technical Summary
Technical Problem
Existing technologies have low accuracy in thermal simulation of COTS devices, which cannot accurately guide thermal design, leading to overheating or performance degradation problems in on-orbit satellites.
Method used
The COTS device and heat transfer link are accurately modeled by the modeling unit. Thermal simulation is performed by combining dynamic external heat timing data and power consumption timing data. The management unit adjusts the device operating mode according to the simulation results to achieve precise thermal management.
Benefits of technology
It improves the accuracy of thermal simulation, ensures that COTS devices operate within a safe temperature range, avoids performance degradation or safety risks caused by overheating, and extends device life.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to the technical field of spacecraft simulation, and discloses a thermal management system and method for an on-orbit satellite COTS device. The system comprises a modeling unit configured to model a target commercial spot device and a heat transfer link where the target commercial spot device is located to obtain a target model; the thermal environment construction unit is used for calculating external heat time sequence data corresponding to periodic entering and exiting of the earth shadow area in the orbit of the load cabin based on the orbit parameters of the target satellite; the simulation unit obtains power consumption time sequence data corresponding to the target task executed by the target commercial spot device, determines the external heat time sequence data as a boundary condition of the target model, and performs thermal simulation on the target model based on the power consumption time sequence data; and the management unit adjusts the working mode of the target commercial spot device based on the simulation result. According to the system, accurate thermal simulation and thermal management optimization of an on-orbit satellite commercial spot device can be realized, the working performance of the device is improved, and the service life is prolonged.
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