Heat exchange assembly

A heat exchange assembly, comprising a first heat exchange part, a bridging member and a second heat exchange part, wherein the bridging member is at least partially located between the first heat exchange part and the second heat exchange part, wherein the first heat exchange part, the bridging member and the second heat exchange part are fixed by welding;

• wherein the first heat exchange part has a heat exchange core body, wherein the first heat exchange part comprises at least two fluid flow passages, which are not in communication with each other;
• wherein the heat exchange assembly comprises a first port, a second port, and a third port;
• wherein the first heat exchange part comprises a first port part and a second port part;
• wherein the first port part has the first port, and the second port part has the second port;
• wherein the bridging member comprises a third port part, and the third port part is provided with the third port;
• wherein the bridging member comprises a hole and/or a groove in communication with the third port, wherein the hole and/or groove of the bridging member being in communication with the third port is at least in communication with one of the first heat exchange part and the second heat exchange part for communication;
• wherein the bridging member comprises two holes or grooves facing the first heat exchange part for communication;
• wherein the bridging member comprises at least two holes or grooves in communication with the second heat exchange part, wherein openings of the at least two holes or grooves of the bridging member that are capable of being in communication with the second heat exchange part face the second heat exchange part;
• wherein the second heat exchange part comprises a third duct and a fourth duct that are in fluid communication with each other;
• the heat exchange assembly further comprises a connecting member, the connecting member is located on a side of the second heat exchange part away from the bridging member and has a fifth port;
• the third port is in communication with the third duct through one of the at least two holes or grooves of the bridging member in communication with the second heat exchange part, and the fourth duct is in communication with the fifth port and another of the at least two holes or grooves of the bridging member in communication with the second heat exchange part, respectively;
• another of the at least two holes or grooves of the bridging member in communication with the second heat exchange part is in communication with one of the two holes or grooves of the bridging member facing the first heat exchange part for communication, so that a fluid flowing through the third port can be divided into two parts when flowing to the fourth duct:
• one part of the fluid flows out the heat exchange assembly through the fifth port of the connecting member, and the other part of the fluid flows into the first heat exchange part through another of the at least two holes or grooves of the bridging member in communication with the second heat exchange part.