Tube connector, thermal management system, battery housing and battery

Abstract

This application describes a tube connector (30), a thermal management system, a battery housing, and a battery. The tube connector (30) comprises a body (300); a fluid channel (330) is formed inside the body (300); a first connection section (310) for connecting a round tube (20) and a second connection section (320) for connecting a flat tube (10) are formed in the body (300); the first connection section (310) has a hollow columnar structure (311), and the second connection section (320) comprises an oblong interface (321); and a welding surface (3211) adapted to the shape of the flat tube (10) is formed on the inner side wall of the interface (321).

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