Water spray fire extinguishing system with transformer cooling function

The invention discloses a water spray fire extinguishing system with a transformer cooling function, comprising: detectors including a temperature sensing detector and a smoke detector; the spraying pipe network comprises a tail end water outlet pipe network, a spraying head and a stop valve, the tail end water outlet pipe network is connected with the spraying head, and the stop valve is arranged on the tail end water outlet pipe network; the spraying pipe network is respectively connected with the deluge valve group and the cooling pipeline; the spraying pipe network is further connected with a water supply system through a main pipeline, and the water supply system is connected with a fire pool; wherein a cooling control valve is additionally arranged on the cooling pipeline; the water spray fire pump control cabinet is connected with the detector, the spray pipe network and the water spray control system through the controller, the problem that the temperature of the transformer is too high when the trans