“…In order to provide high-quality chilled food, the cold chain is widely used now, which can keep suitable humidity and temperature environment [1,2]. There are many facilities used for cold chains, such as refrigerated containers, refrigerated vehicles and refrigerated warehouses [3]. Due to the low temperature required for chilled food, such as 263.15 K, 255.15 K, and 253.15 K [4,5], the ice may occur on doors which can cause problems [6].…”