新型热管散热液体循环热电制冷器的研究

Investigation of thermoelectric liquid cooler with a novel heat pipe heatsink

为了解决通讯基站、IDC机房以及控制中心等领域的制冷问题,开发了一种新型热管散热液体循环热电制冷装置,结合TEC、热管与液体循环冷却技术,可以实现低于环境温度的密闭冷却。为了验证装置传热性能以及影响传热性能的各种因素,搭建了实验平台,并且进行了深入细致的实验研究。研究结果表明:装置的制冷量、热阻和COP与冷却风风速、循环水流量、循环水温度、环境温度有关。对以上因素进行单一变量性能测试,实验结果表明:增加液体循环流量或者降低冷却水温度或增加风速或降低环境温度,可以显著增加装置的制冷量和COP,降低总热阻;该装置可以增加低于环境的制冷能力,装置综合能效比较高,具有显著的节能减排效益。

In order to solve the refrigeration problems in communication base station,IDC room and control center and other areas,an innovative air cooled TEC liquid cooling device was developed in order to implement subambient cooling application.It combinated TEC,heat pipe and liquid cooling technology.The experimental platform was built and the experimental study was carried out in order to verify the heat transfer performance of the device and the factors that affected the heat transfer performance.The results show that the cooling capacity,thermal resistance and COP are related to the cooling wind velocity,circulating water flow rate,circulating water temperature and ambient temperature.A single variable test about the performance of the above factors was accomplished.The experimental results show that increasing the circulating flow rate or reducing the temperature of circulating water or increasing the wind speed or lowering the temperature of circulating water,both the cooling capacity and COP of the device increase,the total thermal resistance reduces.The novel device has the advantages of lower energy consumption,higher energy efficiency and lower energy consumption.