| 摘要 |
The invention relates to a dry-type transformer device. The dry-type transformer device comprises a shell (80) and a plurality of winding posts (81), wherein a cooling exhaust fan (83) is arranged on the lateral wall of the shell (80), the plurality of winding posts (81) are arranged in the shell (80) and uniformly distributed on a peripheral direction, a cooling blower (82) is arranged at the bottom of a central part encircled by the plurality of the winding posts (81), air is supplied to the cooling blower (82) by a gas delivery pipe (61), the cooling blower (82) comprises a gas inlet pipe mouth (6) and an air cavity annular shell (15), the air cavity annular shell (15) is communicated with the gas delivery pipe (61) and provided with an annular part (152) at the bottom surface and a cylindrical part (151) at the upper side in an integrated manner, and a gas communication cavity (150) is arranged in the air cavity annular shell (15). |
