The invention relates to the technical field of test equipment, in particular to a near space heat sink thermal simulation test device, which comprises a low air pressure simulation unit, a tested heat sink unit, a thermal simulation electric control unit and a sensor unit, and is characterized in that the low air pressure simulation unit comprises a vacuum pump, a vacuum buffer tank, a regulating valve and a check valve; the tested heat sink unit comprises an evaporator, a self-locking valve, a filter, an electromagnetic valve and a throttling valve; the thermal simulation electric control unit is arranged in the cabinet and comprises a display, an industrial personal computer, input equipment, a data acquisition unit and a power supply; the sensor unit comprises a film heater, a temperature sensor, a pressure sensor and a vacuum gauge. The performance of the refrigeration equipment is tested mainly under the near space low-pressure environment condition, the effective volume of the tail end of the heat sink is increased by arranging the vacuum buffer tank, the influence of rapid change of vacuum pressure caused by opening and closing of an electromagnetic valve in the testing process is reduced, and the stability of a testing system is improved.

    本申请涉及测试设备技术领域,具体而言,涉及一种临近空间热沉热模拟试验装置,包括低气压模拟单元、被测热沉单元、热模拟电控单元以及传感器单元,其中:低气压模拟单元包括真空泵、真空缓冲罐、调节阀以及止回阀,被测热沉单元包括蒸发器、自锁阀、过滤器、电磁阀以及节流阀;热模拟电控单元设置在机柜内部,包括显示器、工控机、输入设备、数据采集单元以及电源;传感器单元包括薄膜加热器、温度传感器、压力传感器以及真空计。本申请主要模拟在临近空间低压环境条件下,对制冷设备的性能进行测试,通过设置真空缓冲罐增大了热沉末端有效容积、减少测试过程中的电磁阀开启关闭带来的真空压力急剧变化的影响,提高了测试系统的稳定性。


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    Title :

    Near space heat sink thermal simulation test device


    Additional title:

    一种临近空间热沉热模拟试验装置


    Contributors:
    CHEN ZHENGGANG (author) / WANG XUESONG (author) / KANG CHANGXI (author) / WU QIPENG (author) / ZHANG WENRUI (author)

    Publication date :

    2025-03-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B64G Raumfahrt , COSMONAUTICS



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