Direct-current compressor top cover

The utility model discloses a direct-current compressor top cover, which comprises a top cover main body, an installation cavity is arranged in the top cover main body, a capacitor cover is arranged in the installation cavity, a capacitor placing hole is arranged on the capacitor cover, and a through hole corresponding to the capacitor placing hole is arranged on the top cover main body. A first reinforcing rib, a second reinforcing rib and a third reinforcing rib which are distributed on the periphery of the capacitor cover are connected between the inner walls of the installation cavity, and the upper end faces of the first reinforcing rib, the second reinforcing rib and the third reinforcing rib are fixedly connected with the inner top face of the installation cavity. Compared with the prior art, the top cover has the advantages that the problem that the top cover is expanded into a convex hull shape due to overlarge internal pressure of the compressor can be effectively avoided, materials do not need to b