基于斯特林制冷技术的小型化超低温恒温槽应用研究

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中图分类号：TB65 文献标志码：A 文章编号：2095-2945（2025）29-0039-04

Abstract：Thisarticleproposesaminiaturizedultra-lowtemperatureconstanttemperaturebathbasedonStilingrefrigeration technology，hichombinestetemperatureontrolprciplendlightweightesigcoceptoftraditioalonstanttempatuebats tosolvetheproblemsoflargeequipmentvolume，lowrefrigerationeficiency，porenvironmentalprotection，andlimitedlow temperaturerangeofexistingequipmentByintroducingtheStirlingrefrigerationsystem，optimizingtheheatexchangestructure， adopting modulardesignandeficientstirring device，the portabilityand high-precision temperaturecontrol （between-8Oand 150‰ ） of the constant temperaturebath have beenachieved.Theexperiments have shown that its temperature fluctuation is ⩽±0.08‰ ，and the temperature field uniformity deviation is ，which can meet the ultra-low temperature calibration needs of military equipment，aerospacetesting，biomedicalandotherfields，andhassignificanttechnolgicalinnovationandapplicationvalue.

Keywords：Stirlingrefrigerator;ultra-lowtemperaturethermostatictank；miniaturizeddesign；temperaturefieldunifority; lightweight

恒温槽作为温度计量领域的核心设备，广泛应用于导弹装备保障、工业传感器校准及科研实验。（剩余4758字）