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365赌球最新网址

任丽敏, 陈立恒, 孟旭, 王智

任丽敏, 陈立恒, 孟旭, 王智. 365赌球最新网址[J]. 365赌球, 2023, 16(6): 1404-1413. doi: 10.37188/CO.2023-0022
引用本文: 任丽敏, 陈立恒, 孟旭, 王智. 365赌球最新网址[J]. 365赌球, 2023, 16(6): 1404-1413. doi: 10.37188/CO.2023-0022
REN Li-min, CHEN Li-heng, MENG Xu, WANG Zhi. 365赌球官网平台[J]. Chinese Optics, 2023, 16(6): 1404-1413. doi: 10.37188/CO.2023-0022
Citation: REN Li-min, CHEN Li-heng, MENG Xu, WANG Zhi. 365赌球官网平台[J]. Chinese Optics, 2023, 16(6): 1404-1413. doi: 10.37188/CO.2023-0022

365赌球最新网址

doi: 10.37188/CO.2023-0022
  • 1.

    中国科学院长春光学精密机械与物理研究所, 吉林 长春 130033

  • 2.

    中国科学院大学, 北京 100049

  • 3.

    中国科学院大学材料与光电研究中心, 北京 100049

  • 4.

    中国科学院大学 杭州高等研究院 基础物理与数学科学学院, 杭州 310024

基金项目:国家重点研发计划资助（No. 2020YFC2200600）
详细信息
    作者简介:

    任丽敏（1996—），男，内蒙古包头人，硕士研究生，2023年于中国科学院大学获得硕士学位，主要从事航天器热控技术相关研究。E-mail：[email protected]

    陈立恒（1979—），男，吉林长春人，博士，研究员，博士生导师，2008年于中国科学院长春光学精密机械与物理研究所获得博士学位，主要从事空间光学遥感器热控技术相关研究。E-mail：[email protected]

    孟　旭（1999—），男，甘肃白银人，博士研究生，主要从事热控结构增材制造相关研究。E-mail：[email protected]

    王　智（1979—），男，吉林长春人，博士，研究员，博士生导师，主要从事空间引力波探测惯性传感器、空间引力波探测激光干涉测量系统等方面的研究。E-mail：[email protected]

  • 中图分类号:V524.3

365赌球官网平台

  • 1.

    Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

  • 2.

    University of Chinese Academy of Sciences, Beijing 100049, China

  • 3.

    Centre of Materials Science and Optoelectronics Technology, University of Chinese Academy of Science, Beijing 100049, China

  • 4.

    School of Fundamental Physics and Mathematical Science, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China

Funds:Supported by National Key R & D Program of China (No. 2020YFC2200600)
More Information
  • 摘要:

    为了满足惯性传感器地面弱力测量系统的超高温度稳定性要求，对整个系统进行了热设计。首先，介绍了惯性传感器地面弱力测量系统的结构、敏感结构传热路径和内部热源。其次，根据系统热控指标要求，提出了采用三级热控结构和比例积分微分(PID)控制算法相结合的高精度热控方式，减少温度噪声对惯性传感器探测灵敏度的影响。然后，采用UG/NX软件建立有限元模型，并进行了不同工况条件下的热分析计算，得到了惯性传感器地面弱力测量系统在时域上达到平衡后的温度变化值为(1.2~1.6) ×10−5 K。最后，将惯性传感器地面弱力测量系统在时域上的温度分布在频域上进行描述，得到惯性传感器敏感结构的温度稳定性结果。分析结果表明，在当前热控措施下，惯性传感器敏感结构的温度稳定性均优于10−4 K/Hz1/2，满足热控指标需求，热设计方案合理可行。

    Abstract:

    In order to meet the ultra-high temperature stability requirements of the ground weak force measurement system for inertial sensor, the thermal design of the whole system is carried out. Firstly, the structure of ground weak force measurement system of inertial sensor, heat transfer path of sensitive structure and internal heat source are introduced. Secondly, according to the index requirements of the thermal control of the system, a high-precision thermal control method combining the three-stage thermal control structure and Proportional Integral Differential (PID) control algorithm is proposed to reduce the influence of temperature noise on the detection sensitivity of the inertial sensor. Then, UG/NX software is used to establish the finite element model and carry out the thermal analysis calculation under different working conditions, and the temperature change value of the measurement system in the time domain after equilibrium is (1.2−1.6) ×10−5 K. Finally, the temperature distribution of the measurement system in the time domain is described in the frequency domain, and the temperature stability results of sensitive structure of the inertial sensor are obtained. The analysis results show that under the current thermal control measures, the temperature stability of the sensitive structure of the inertial sensor is better than 10−4 K/Hz1/2, meeting the requirements of thermal control indicators, and the thermal design scheme is reasonable and feasible.

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  • 图 1 惯性传感器地面弱力测量系统结构

    Figure 1. Overall structure of the ground weak force measurement system for inertial sensor

    图 2 惯性传感器地面弱力测量系统传热路径示意图

    Figure 2. Schematic diagram of heat transfer path of the ground weak force measurement system for inertial sensor

    图 3 惯性传感器地面弱力测量系统热控结构示意图

    Figure 3. Schematic diagram of the thermal control structure of the ground weak force measurement system for inertial sensor

    图 4 PID控制原理图

    Figure 4. Schematic diagram of PID control principle

    图 5 惯性传感器地面弱力测量系统有限元模型

    Figure 5. Finite element model of the ground weak force measurement system for inertial sensor

    图 6 实验室温度边界曲线。(a)高温工况；(b)低温工况

    Figure 6. Laboratory temperature boundary curve. (a) High temperature condition; (b) low temperature condition

    图 7 高温工况敏感结构温度变化曲线。(a)一级扭秤电极笼整体温度变化曲线；(b)一级扭秤电极笼24 h温度变化曲线

    Figure 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

    图 8 高温工况一级扭秤电极笼温度稳定性曲线

    Figure 8. Temperature stability curve of the electrode housing of primary torsion balance under high temperature condition

    图 9 低温工况敏感结构温度曲线。(a) 一级扭秤电极笼整体温度变化曲线；(b) 一级扭秤电极笼24 h温度变化曲线

    Figure 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

    图 10 低温工况一级扭秤电极笼温度稳定性曲线

    Figure 10. Temperature stability curve of the sensitive component under low temperature condition

    图 11 高温工况无主动热控条件下敏感结构温度曲线。(a) 一级扭秤电极笼整体温度变化曲线；(b) 一级扭秤电极笼24 h温度变化曲线

    Figure 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

    图 12 高温工况无主动热控条件下一级扭秤电极笼温度稳定性曲线

    Figure 12. Temperature stability curve of the sensitive component under high temperature condition without active thermal control

    表  1 测量系统内各热源发热功耗

    Table  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
    下载: 导出CSV

    表  2 热控结构及测量系统部分结构材料表

    Table  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
    下载: 导出CSV
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365赌球官网平台
  • 收稿日期: 2023-02-04
  • 录用日期: 2023-07-26
  • 修回日期: 2023-02-20
  • 网络出版日期: 2023-07-26

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