铝制水箱的工作模型，其热耦合到 Peltier 元件的表面。当电流通过 Peltier 元件时，热量在储罐之间传递，使其中一个冷却，另一个升温。每个储层都有一个电搅拌器，以保证热量的均匀分布。两个数字温度计指示各自的水温。由于系统的比热容已知，因此可以确定加热和冷却所涉及的功率，并与所提供的电力进行比较。该系统提供在一个方便的运输箱内，也确保从周围有足够的隔热。
Peltier 元件：
电源电压： 5 – 8 V
8 V时的电流消耗：2.5 – 3.5 A
表面积：40 x 40 mm²
厚度： 3.7 mm
水箱：
体积： 200 ml
重量： 105 g
搅拌器：
电流消耗： 约 100 mA
便携箱：
规格： 约 244 x 160 x 70 mm³
重量： 约 920 g
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