FIELD: heat engineering.
SUBSTANCE: invention relates to a heat exchanger in an air conditioning system and can be used for cooling an electrical control unit. In a heat exchanger comprising: a main heat exchange housing and a collection tube assembly, a microchannel is provided; assembly of collecting tubes comprises at least two collecting tubes; and at least a portion of the microchannel penetrates into one of the at least two collection tubes and is inserted into the other collection tube.
EFFECT: increased speed of air flow circulation in electric control unit, increased efficiency of heat dissipation, increased reliability of air conditioning system.
11 cl, 50 dwg
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