High-voltage explosion-proof frequency converter device

The utility model discloses a high-voltage explosion-proof frequency converter device, which comprises an explosion-proof shell, a transformer and a power unit, the interior of the explosion-proof shell is divided into two parts by a partition plate, the transformer and the power unit are placed in one part of the explosion-proof shell, a cooling device is arranged in the other part of the explosion-proof shell, through holes are formed in the upper end and the lower end of the partition plate, and at least one fan is mounted on the partition plate. The cooling device has the advantages that heating airflow of the transformer and the power unit enters the cooling space, enters the space where the transformer and the power unit are located again after being cooled by the cooling device, cools the transformer and the power unit, forms a closed circulation heat dissipation loop, and is good in heat dissipation effect. 本实用新型公开了一种高压防爆变频器装置，包括防爆壳体、变压器、功率单元，防爆壳体内由隔板分隔成两部分，一部分空间放置变压器、功率单元，另一部分空间有冷却装置，隔板的上端和下端均有通孔，隔板上