An aspirating smoke detector is a highly sensitive fire warning device that detects fires by actively taking a sample of air and analyzing it for the presence of smoke particles. These detectors are particularly suitable for early fire detection, especially in locations where extremely high safety standards are required, such as data centers, clean rooms, museums, archives etc.
The working principle of an aspirating smoke fire detector consists of the following steps:
1. **Air Sampling**: The detector continuously draws air samples from the environment by means of a built-in fan or other means.
2. **Air Filtration**: The extracted air sample is usually filtered first to remove dust and other large particles, which reduces false alarms and improves detection accuracy.
3. **Smoke Detection**: The filtered air samples are fed into a specially designed photosensitive chamber, where the presence of smoke particles is detected by laser irradiation and light scattering techniqu…