Heat dissipation device for network communication equipment

The utility model relates to the field of network communication equipment, and discloses a network communication equipment heat dissipation device which comprises a protection shell, a metal heat dissipation sheet is fixedly connected to the left side of the inner wall of the rear end of the protection shell, a semiconductor refrigeration sheet is fixedly connected to the right side of the inner wall of the rear end of the protection shell, and a filter sheet is slidably connected to the middle of the inner wall of the protection shell. Clamping strip plates are slidably connected to the top and the bottom of the front end of the filter piece, grooves are formed in the positions, corresponding to the clamping strip plates, of the top and the bottom of the front end of the filter piece, and an ultraviolet lamp is fixedly connected to the left side of the inner wall of the bottom end of the protective shell. According to the utility model, hot air is exhausted through the exhaust fan, part of heat is dissipated