测井仪被动式热管理系统室温冷却研究

田志宾; 彭嘉乐; 鄢星宇; 魏赞庆; 杨庚佳; 罗小兵

doi:10.11911/syztjs.2023116

测井仪被动式热管理系统室温冷却研究

1.
中海油田服务股份有限公司油田技术研究院, 河北三河 065201
2.
华中科技大学能源与动力工程学院, 湖北武汉 430074

基金项目: 中国海洋石油集团公司重大科技项目“测录试关键技术与装备”（编号：KJGG-2022-1401）资助。

详细信息

作者简介:
田志宾（1978—），男，河南鄢陵人，2001年毕业于华北水利水电大学机械设计及制造专业，2006年获华中科技大学机械电子工程专业硕士学位，高级工程师，主要从事石油勘探设备的研制工作。E-mail：tianzhb@cosl.com.cn

通讯作者:
罗小兵，luoxb@hust.edu.cn

中图分类号: TE927
计量
- 文章访问数: 125
- HTML全文浏览量: 46
- PDF下载量: 53
出版历程
- 收稿日期: 2022-08-29
- 修回日期: 2023-10-17
- 网络出版日期: 2023-11-19
- 刊出日期: 2024-01-24

Study on Room Temperature Cooling of Passive Thermal Management System for Logging Tool

1.
Well-Tech R & D Institute, China Oilfield Services Limit, Sanhe, Hebei, 065201, China
2.
School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China

摘要

摘要:
被动式热管理系统能使测井仪内部电子器件的温度在工作时间内不超过耐温指标，然而热管理系统优异的隔热性能导致测井仪需要较长时间冷却，才能投入下一次工作。为此，提出了一种针对测井仪的室温冷却方案。通过将电路骨架从保温瓶内抽出置于空气中实现快速冷却，同时设置芯片保护壳避免内部电子器件与空气直接接触，能够避免较高温差所产生的热应力及水蒸气液化对内部电子器件的损坏，实现快速冷却。模拟和试验验证了该方案的可行性，同时模拟探究了不同因素对冷却方案效果的影响，确定了最佳的冷却方案。研究结果表明，所提出的室温冷却方案可以解决测井仪被动式热管理系统冷却散热的问题，提高测井工作的效率。
- 测井仪 /
- 室温 /
- 被动式热管理 /
- 保护壳 /
- 冷却速率
Abstract:
Passive thermal management systems can prevent the temperature of electron devices inside the logging tool from exceeding the tolerance during operating hours. The excellent insulation performance of thermal management systems makes the logging tool take relative long time to cool down for the next operation. Therefore, a room-temperature cooling solution for the logging tool was proposed, achieving rapid cooling by withdrawing the circuit skeleton from the thermos bottle and releasing it into the air. A chip protective shell was set up to avoid direct contact between the internal electron devices and the air, and thus the logging tool could achieve rapid cooling while avoiding the thermal stress caused by the high-temperature difference and the damage to the internal electron devices by water vapor liquefaction. The simulation and experiment verified the feasibility of the scheme. At the same time, the influence of different factors on the effect of cooling schemes was simulated, and the best cooling scheme was determined. The results demonstrate that the proposed room temperature cooling scheme effectively addresses the cooling and heat dissipation challenges in passive thermal management systems for logging tools, thereby enhancing working efficiency.
- logging tools /
- room temperature /
- passive thermal management /
- protective shell /
- cooling rate

HTML全文

图 1 测井仪被动式热管理系统室温冷却方案模型

Figure 1. Model of room temperature cooling scheme for passive thermal management system of logging tool

下载: 全尺寸图片幻灯片

图 2 相变材料DSC的热流–温度曲线

Figure 2. Heat flow and temperature curve of phase change material DSC

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图 3 升温和冷却过程中的传热示意

Figure 3. Heat transfer during heating and cooling

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图 4 不同导热系数下热源温度随时间的变化曲线

Figure 4. Variation curve of heat source temperature with time under different thermal conductivity

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图 5 热源前1 min降温速率随导热系数的变化曲线

Figure 5. Variation curve of heat source cooling rate with thermal conductivity in the first one minute

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图 6 不同厚度保护壳条件下热源温度随时间的变化曲线

Figure 6. Variation curve of heat source temperature with time under different thicknesses of protective shell

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图 7 不同厚度保护壳条件下热源在前1 min降温速率随厚度的变化曲线

Figure 7. Variation curve of heat source cooling rate with thickness of protective shell in the first one minute

下载: 全尺寸图片幻灯片

图 8 本文方案与方案a和b冷却曲线的对比

Figure 8. Comparison of cooling curves for proposed scheme and schemes a and b

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图 9 测井仪被动式热管理系统室温冷却试验样机结构与原理

Figure 9. Structure and principle of room temperature cooling experiment prototype of passive thermal management system of logging tool

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图 10 室温冷却方案试验流程

Figure 10. Experimental process of room temperature cooling scheme

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图 11 试验过程中温度随时间的变化曲线

Figure 11. Variation curve of temperature with time during experiment

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图 12 试验与模拟所得热源降温曲线的对比

Figure 12. Comparison of heat source cooling curve between experimental and simulation results

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表 1 测井仪被动式热管理系统各部分的物性参数

Table 1 Material property parameters of each part of passive thermal management system of logging tool

测井仪部位	材料	导热系数/ （W·（m·K）⁻¹）	密度/ （kg·m⁻³）	比定压热容/ （J·（kg·K）⁻¹）
真空层	铝箔+间隔物	0.0002	200	1200.0
骨架	铝合金6061	167.0000	2 710	896.0
热源	陶瓷	30.0000	3960	850.0
导热硅胶垫	硅胶	1.0000	1810	923.0
隔热塞	PEEK	0.2000	2710	880.0
绝热棉	硅铝酸棉	0.0350	400	794.2
相变材料	伍德合金	18.8000	9580	146.0/181.0
吸热壳体	铝合金6061	167.0000	2710	896.0

下载: 导出CSV

表 2 网格数量无关性的验证

Table 2 Verification of grid quantity independence

网格数	热源最终温度/℃	与上一情况的相对误差，%
34819	97.398
58554	94.671	2.8
129406	93.819	0.9
620744	93.444	0.4
4252614	93.164	0.3

下载: 导出CSV

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