Pre-acting resettable temperature-sensing automatic fire extinguishing device

The utility model discloses a pre-acting resettable temperature-sensing automatic fire extinguishing device which comprises a fire extinguishing agent bottle group, a fire extinguishing controller connected to the fire extinguishing agent bottle group and a smoke detector connected to the fire extinguishing controller, a container valve is arranged at an opening of the fire extinguishing agent bottle group, one end of the container valve is connected with the fire extinguishing controller, and the other end of the container valve is connected with the smoke detector. The other end of the container valve is connected with a conveying pipe for conveying a fire extinguishing agent, a quick tee joint and a quick elbow are arranged on the conveying pipe, smooth connection with a conveying branch or a turning position is facilitated, twisting and knotting are avoided, the conveying pipe is connected into the battery box in series, a fire detection pipe is installed in the battery box, and a positioning clamping nai