Passive heat dissipation intelligent light modulator

The utility model provides a passive heat dissipation intelligent dimmer comprising a housing, the middle parts of the front and back plate surfaces of the housing are provided with oppositely through windows, the vertically opposite windows form a through channel, the channel is internally provided with power supply modules in an array manner, the housing at the two ends of the channel forms a cavity, and the power supply modules are arranged in the cavity. An end cover is hinged to the cavity to cover the cavity, cushion blocks are arranged on the periphery of the outer side face of the rear plate face of the shell, and ventilation holes communicated with the channel are formed in the periphery of the shell. According to the utility model, the housing adopts a cabinet steel frame type structure, the power supply module is installed on the window, the housing is not shielded, the power supply module can directly dissipate heat into the air, a heat conduction link is avoided, the heat dissipation efficiency i