JAE water-based automatic fire extinguishing device is a small space automatic fire extinguishing device independently developed by our company. It has obtained national patent authorization with patent number ZL 2020 2 1636931.8. The device has functions such as monitoring, alarm, fire extinguishing, etc. It is easy to install, stable in operation, and safe to use. This device is suitable for ordinary oil surface fires (such as spark machine oil), soluble liquid surface fires (such as alcohol), electric spark machine equipment, etc. In industrial production processes, it is commonly used in electric spark machines, ultrasonic cleaning, special vehicle engines, etc. When a fire occurs, it can quickly alarm and extinguish the flames to prevent major fires.