由于后来一直没有找到合适的箱体，就没有继续做。暂且搁着了。
图片是刚开始设计测试的时候拍得，12V4A供电下，3秒温度就到达零下。可是纸板的隔热真的不好。
用纸板做好的电冰箱。
横截面。
散热部分。
白色的是12V6A额定半导体制冷片。功率比一般卖的成品USB迷你电冰箱大好几十倍。
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箱体难道要用泡沫板
很牛 。做了保温杯 用茶瓶胆做。