在近几年,冰箱、空调器等制冷产品拥入家庭,且普及速度很快。但是,制冷机械制造行业中,最主要的制冷系统的检漏方法和检测手段还停留在较低的水平上。为了消费者有利益,国家现已要求冰箱等家用高档消费品使用寿命必须大于13年。根据冰箱实际工作要求,每年氟利昂的泄漏量不能超过1克,则冰箱各部件泄漏速率的总和不能超过 In recent years, refrigeration products such as refrigerators and air conditioners have enjoyed popularity in the home and have been popularized rapidly. However, refrigeration machinery manufacturing industry, the most important refrigeration system leak detection methods and testing methods also remain at a low level. For the benefit of consumers, the country has now required that refrigerators and other domestic high-end consumer products have a useful life of more than 13 years. According to the actual requirements of the refrigerator, the annual freon leakage can not exceed 1 gram, the refrigerator leakage rate of the various components can not exceed the sum of