【摘要】 无霜冰箱具有自动除霜、制冷均匀、控温准确等特点,受到越来越多用户的欢迎。实现无霜的关键是化霜技术的合理选择。本文概括了当前主要的化霜启动方法,重点分析了电加热化霜、超声波化霜等四种化霜技术的原理和装置,并比较了各种技术的优缺点。在此基础上,对化霜技术的发展前景进行了适当的展望。更多还原

【Abstract】 Frost free fridge is characterized with automatic defrosting,uniform heating and exact temperature control,so is getting more popularized.The key of the frost free is the defrosting technique.Here,the major starting methods of defrosting current were summarized;especially,the mechanisms and devices of the four defrosting technologies such as the electrical heating defrosting and ultrasonic defrosting were analyzed and compared.Based on the above-mentioned,the trend of defrosting technique was predicated.更多还原