High voltage distributor box's heat rejection apparatus

The utility model discloses a high voltage distributor box's heat rejection apparatus, including block terminal case lid and block terminal box, block terminal case lid bottom is provided with the ventilation pipe, the ventilation pipe lower extreme is provided with the block terminal box, surface connections ventilation pipe department in the block terminal box installs the filter screen, it hasthe exhaust fan to go up surface mounting in filter screen lower extreme and the block terminal box, exhaust fan one side is provided with the temperature -sensing ware, temperature -sensing ware right side is provided with the temperature -sensing ware, be provided with the insulating layer on the block terminal box inner wall, a block terminal box lateral wall is provided with the convection hole. Can let the air form the convection current through the convection hole, discharge the heat, because the hot -air can the upward movement, through exhaust fan outside will hot air escape case, temperature processor can be