Hybrid heat dissipation structure in electrical equipment case

The utility model particularly relates to a hybrid heat dissipation structure in an electrical equipment case. The heat dissipation device comprises a left side plate, a bottom plate, a rear panel anda heat dissipation exhaust fan, and is characterized by further comprising a heat conduction box, wherein inner side plates with heat dissipation fins are arranged on the inner walls of the left sideplate and the bottom plate, air inlets are formed in the surfaces of the outer walls of the left side plate and the bottom plate, a heat dissipation exhaust fan is arranged at a main air outlet in arear panel of the case, and the heat conduction box is attached to the left side plate and the bottom plate of the case and fixedly connected with the left side plate and the bottom plate of the casethrough screws; and a heat-conducting paste is laid on the binding surface of the heat-conducting box. According to the case ventilation structure, the heat dissipation air duct is formed by the heatdissipation fins of the inter