| CPC H05K 7/209 (2013.01) [H02M 7/003 (2013.01); H05K 7/20145 (2013.01); H05K 7/20909 (2013.01)] | 8 Claims | 

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               1. A converter module, comprising a housing and a converter body that is mounted in the housing; wherein a heat dissipation passage is formed and enclosed by the housing and the converter body, a fan is mounted in the heat dissipation passage; an air inlet and an air outlet, which are in communication with the heat dissipation passage, are provided in the housing; 
            wherein the heat dissipation passage is at least distributed on two sides of the converter body; and 
                the heat dissipation passage comprises: 
                an upper air duct, located above the converter body; 
                a lower air duct, located below the converter body; 
                a vertical air duct, located on a side surface of the converter body and communicating the upper air duct with the lower air duct; and wherein 
                the air inlet is in communication with the upper air duct, and the air outlet is in communication with the lower air duct; and 
                the upper air duct covers an upper surface of the converter body, the lower air duct covers a lower surface of the converter body, and the vertical air duct covers the side surface of the converter body. 
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