How does a smoke alarm work?

Before introducing the working principle of the smoke alarm, we first introduce the concept of the smoke alarm, the smoke alarm, nicknamed the fire smoke alarm, smoke sensor, smoke sensor, etc. Generally, independent, physical product battery-powered or AC-powered batteries are used as backup power, and those that can give sound and light instructions when an alarm is ready are called independent smoke alarms. Powered by the bus, there can be multiple connected to the bus, and an alarm system is formed by networking with the fire alarm controller and communication. There is no sound on site when the alarm occurs, and the host has sound and light prompts. Device. Smoke detectors are classified with or without address coding.

How Smoke Detectors Work