Portable AC power supply screen

The utility model discloses a portable AC power supply screen, comprising a screen body, the screen body is enclosed by a top plate, a bottom plate, a left side wall, a right side wall, a front door and a back door, the back door is provided with a ventilation hole, the top plate is provided with a heat radiation device, the screen body is internally provided with a dehumidification device, and the screen body is also internally provided with a rotatable installation plate. And an electrical component is arranged on the rotatable mounting plate. According to the power supply screen, good ventilation and heat dissipation effects can be guaranteed, meanwhile, the rotatable mounting plate is arranged in the screen body, all electrical components are mounted on the rotatable mounting plate, and the electrical components in the alternating current power supply screen can be mounted and maintained under the conditions that the overall position of the alternating current power supply screen is fixed and a rear door