Novel fire extinguishing device combining high-pressure carbon dioxide with water mist

The utility model relates to the field of fire extinguishing devices, in particular to a novel high-pressure carbon dioxide and water mist combined fire extinguishing device which comprises a fire extinguishing device control cabinet, a fire alarm controller connected with the fire extinguishing device control cabinet, a high-pressure carbon dioxide fire extinguishing agent bottle group and a water mist fire extinguishing agent bottle group, an infrared temperature sensing detector, a smoke sensing detector and a flame detector which are respectively connected with the fire alarm controller are arranged in the fire extinguishing area; the fire extinguishing device control cabinet sequentially controls the high-pressure carbon dioxide fire extinguishing agent bottle set and the water mist fire extinguishing agent bottle set to conduct fire extinguishing, restraining or cooling on an ignition point through spraying nozzles in a fire extinguishing area according to information collected by the fire alarm control