Perfluorohexanone fire extinguishing device capable of performing fixed-point injection in power distribution cabinet

The utility model belongs to the technical field of power distribution cabinet fire extinguishing, and particularly relates to a perfluorohexanone fire extinguishing device capable of spraying at a fixed point in a power distribution cabinet, which comprises a tank body, a mounting pipe is arranged in the tank body, a spraying head is fixedly connected to a connector of the mounting pipe, a perfluorohexanone solution and nitrogen are arranged in the tank body, and the spraying head is fixedly connected to the connector of the mounting pipe. The top end of the tank body is fixedly connected with a pressure annunciator, a connecting port of the pressure annunciator is fixedly connected with a connecting wire, and one end of the connecting wire is provided with a power supply and a light alarm. Through the arrangement of the tank body, the mounting pipe, the spray header, the perfluorohexanone solution and the nitrogen, the perfluorohexanone atomization liquid can be directly sprayed to the fire outbreak point o