信息通信技术与政策

信息通信技术与政策

信息通信技术与政策 ›› 2021, Vol. 47 ›› Issue (4): 38-42.doi: 10.12267/j.issn.2096-5931.2021.04.007

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基于相变冷却技术的数据中心新型制冷方案研究

A new method of data center cooling system based on phase change technology

雒志明, 张炳华   

  1. 百度系统部,北京 100085
  • 出版日期:2021-04-15 发布日期:2021-04-28
  • 作者简介:
    雒志明百:度系统部资深系统工程师,主要从事数据中心技术规划、新技术研发及项目管理等研究工作
    张炳华:百度系统部总经理,长期从事数据中心和网络方向战略制定、技术和产品规划、前沿技术演进发展等研究工作

LUO Zhiming, ZHANG Binghua   

  1. Baidu, Beijing 100085, China
  • Online:2021-04-15 Published:2021-04-28

摘要: 从基础理论出发,构建出一套从机柜到室外环境的相变换热制冷循环系统,使用制冷剂气泵、制冷剂液泵、蒸发冷凝及重力热管等技术,高效地将服务器散发的热量搬运到室外环境中,整个过程没有中间换热环节,将蒸发温度和冷凝温度的差值做到最小。试验测试结果表明,在全国核心城市数据中心应用此套制冷方案,全年平均能效比达到20 以上。同时,该系统还具有峰值能效高、适用性、兼容性等优势,进一步降低数据中心的建设和运行成本。

关键词: 数据中心, 相变冷却, 自然冷却, 能效

Abstract: Based on the basic theory, a phase change refrigeration cycle system from cabinet to outdoor environment is constructed, which uses gas pump, liquid pump, evaporation condensation, gravity heat pipe technology and so on. This system can transport the heat from the server to the outdoor environment efficiently and there is no intermediate heat exchange in the whole process. Therefore, this system can minimize the difference between evaporation temperature and condensation temperature. The test results show that the cooling system annual average energy efficiency ratio can be above 20 when it is used in the national core city data center. At the same time, the system also has the advantages of high peak energy efficiency, applicability and compatibility, which further reduces the construction and operation costs of the data center.

Key words: data center, phase change cooling, natural cooling, energy efficiency