With the development of manufacturing industry, the requirements for product quality and safety are becoming increasingly high. In many manufacturing processes, vacuum is a crucial step, and leaks in the vacuum system can directly affect the performance and quality of the product. In order to ensure the reliability and stability of vacuum systems, online vacuum decay leak detection technology has emerged.
Online vacuum decay leak detection technology is a method of determining whether there is a leak in a vacuum system by detecting the decay rate in the system. The principle is based on the following two points:
The decay rate of a vacuum system is directly proportional to the amount of leakage: when there is a leak in the vacuum system, the gas inside the system will continuously enter the system, causing a decrease in the vacuum degree of the system and an increase in the decay rate. Therefore, by monitoring the decay rate of the vacuum system, it is possible to indirectly determine whether there is a leak in the system.
The decay rate of a vacuum system is influenced by various factors: in addition to leakage, the decay rate of a vacuum system is also affected by gas adsorption, degassing, and system leakage. Therefore, online vacuum decay leak detection technology needs to consider and eliminate the influence of these factors to accurately determine whether there is a leak in the system.
Online vacuum decay leak detection technology is widely used in quality control and testing of various vacuum systems, especially suitable for the following scenarios:
The vacuum system of aerospace vehicles has extremely low tolerance for leaks, therefore high-precision leak detection technology is needed to ensure the reliability and safety of the system. In the manufacturing process of semiconductor devices, it is necessary to operate in an ultra-high vacuum environment, and strict requirements are placed on the leakage of the vacuum system. Therefore, online vacuum attenuation leak detection technology has become an indispensable tool. The vacuum system in medical equipment is crucial for the safety of patients, therefore reliable leak detection technology is needed to ensure the reliability and safety of the equipment.
The online vacuum decay leak detection technology has the following advantages compared to traditional leak detection methods:
Online vacuum decay leak detection technology can monitor the decay rate of the vacuum system in real time, detect leaks in the system in a timely manner, and reduce the impact of leaks on the production process. It can detect small leaks, improving the sensitivity and accuracy of leak detection. No destructive testing is required for the vacuum system, and it will not affect the normal operation of the system, reducing testing costs and risks. It can be combined with automated production lines to achieve automation and intelligence of leak detection, improving production efficiency and product quality.