Cooling device assembly with gas cooler and LED lighting lamps for electric power well in building

The invention relates to a cooling device assembly with a gas cooler and LED lighting lamps for an electric power well in a building. The cooling device assembly comprises a plurality of cooling devices which are separately arranged along the vertical direction of the electric power well, and is characterized in that a gas delivering pipe (61) provides gas for the cooling devices, each cooling device comprises a cooling device body (82) and fixed brackets (100) which are arranged at two sides of the cooling device body (82) and used for being fixed on two opposite sides of the electric power well respectively, each fixed bracket (100) is internally provided with cable fixing holes (103) provided for electric power cables (1030) to pass through, the outer side of each fixed bracket (100) is provided with an LED lighting lamp (65) so as to be used for lighting the internal part of the electric power well and being convenient for carrying out maintenance on the cooling device, and four or more LED lighting lamps (65) are arranged; and each cooling device body (82) comprises an annular cavity shell (15) which is provided with a gas inlet pipe nozzle (6) so as to be communicated with the gas delivering pipe (61).