Heat dissipation case, determination method of heat dissipation component and signal processing equipment

The invention relates to the technical field of case heat dissipation, and discloses a heat dissipation case, a heat dissipation component determination method and signal processing equipment, the heat dissipation case comprises a shell with a rectangular cross section, a plurality of heat dissipation plates are arranged in the shell, an inner cavity is defined by the heat dissipation plates, one inner side wall of the shell, a bottom plate and a top plate of the shell, and the heat dissipation plates are arranged in the inner cavity. A plurality of heat dissipation plates are arranged in the shell, gaps are formed between the heat dissipation plates and the other three inner side walls of the shell to form a heat dissipation cavity, a fan is installed on the side face, corresponding to the middle of the heat dissipation cavity, of the shell, a plurality of heat dissipation fins are arranged on the heat dissipation plates at intervals, heat dissipation holes are formed in the shell, and the heat dissipation p