Chinese Optics, Volume. 16, Issue 6, 1404(2023)
Thermal design of ground weak force measurement system for inertial sensors
Fig. 1. Overall structure of the ground weak force measurement system for inertial sensor
Fig. 2. Schematic diagram of heat transfer path of the ground weak force measurement system for inertial sensor
Fig. 3. Schematic diagram of the thermal control structure of the ground weak force measurement system for inertial sensor
Fig. 5. Finite element model of the ground weak force measurement system for inertial sensor
Fig. 6. Laboratory temperature boundary curve. (a) High temperature condition; (b) low temperature condition
Fig. 7. Temperature curves of the sensitive component under high temperature condition. (a) Overall temperature change curve and (b) the temperature change curve in 24 h of the electrode housing of primary torsion balance
Fig. 8. Temperature stability curve of the electrode housing of primary torsion balance under high temperature condition
Fig. 9. Temperature curves of the sensitive component under low temperature condition. (a) Overall temperature change curve and (b) the temperature change curve in 24 h of the electrode housing of primary torsion balance
Fig. 10. Temperature stability curve of the sensitive component under low temperature condition
Fig. 11. Temperature curve of sensitive component under high temperature condition without active thermal control. (a) Overall temperature change curve and (b) temperature change curve in 24 h of the electrode housing of primary torsion balance
Fig. 12. Temperature stability curve of the sensitive component under high temperature condition without active thermal control
Table 1. Thermal power consumptions of heat sources in measuring system
View tableView in ArticleTable 1. Thermal power consumptions of heat sources in measuring system
名称 功耗（W） 工作模式 离子泵 100 长期 分子泵 100 长期 五自由度调整平台 12 短期
Table 2. List of structural materials of thermal control structure and measuring system
View tableView in ArticleTable 2. List of structural materials of thermal control structure and measuring system
结构名称 村料名称 密度(kg/m3) 导热系数(W/(m·K)) 比热容(J/(kg·K)) 隔热层内外层 铝蜂窝 50 0.88 921 隔热层夹层 聚苯乙烯 31 0.04 1 500 真空试验舱 不锈钢316L 7 980 15.21 502 隔热垫 聚酰亚胺 1 450 0.3 1 090 光学元件 微晶玻璃 2 303 1.39 578 测量系统结构件 铝合金 2 702 150 907
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Li-min REN, Li-heng CHEN, Xu MENG, Zhi WANG. Thermal design of ground weak force measurement system for inertial sensors[J]. Chinese Optics, 2023, 16(6): 1404
Category: Original Article
Received: Feb. 4, 2023
Accepted: Jul. 26, 2023
Published Online: Nov. 29, 2023
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