Patent ID: 9167729
Filing Date: 2015-10-20
Classification: H02M,H05K

Abstract:
1. An inverter, comprising: an enclosure having a first cavity and a second cavity that are isolated from each other and sealed; a magnetic conversion circuit comprising magnetic elements that are arranged in the first cavity; a power conversion circuit comprising power tubes that are arranged in the second cavity; a heatsink arranged at the bottom of the enclosure and located outside the first cavity and the second cavity; a sealing air duct arranged outside the second cavity, wherein the sealing air duct comprises at least one columnar pipeline formed by a heat dissipation surface and a bottom surface, wherein the at least one columnar pipeline is sealed at two ends, wherein the bottom surface is formed by a side wall of the second cavity or a substrate of the heatsink, and wherein the bottom surface comprises an air inlet and an air outlet to communicate with the second cavity and the at least one columnar pipeline.