Abstract
The new multi-functional heat preservation cup can not only achieve long-term heat preservation, but also keep the water temperature at a more suitable temperature for drinking in a short time. It uses paraffin phase change heat storage material as the filler of the inner liner sandwich, which can absorb the heat in the water temperature and achieve rapid cooling; solar panels are used above the cup cover to supply power for electronic devices, which can save energy and protect the environment and avoid the trouble of charging back and forth; At the same time, a variety of electronic devices are added to the cup cover to enrich the customer's experience.
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