Throttling heat exchange assembly

A throttling heat exchange assembly, comprising a first heat exchange portion, a bridge, a second heat exchange portion, and a throttling element, wherein at least part of the bridge is located between the first heat exchange portion and the second heat exchange portion, wherein the first heat exchange portion, the bridge and the second heat exchange portion are fixed by welding;

• the first heat exchange portion has a heat exchange core, and the first heat exchange portion comprises at least two fluid flow passages which are not in communication with each other;
• the throttling element is fixed or position-limited to the first heat exchange portion, or the throttling element is fixed or position-limited to the bridge;
• the throttling heat exchange assembly comprises a first connecting port, a second connecting port, and a third connecting port;
• the first heat exchange portion comprises a first connecting port portion and a second connecting port portion;
• the first connecting port portion has the first connecting port, and the second connecting port portion has the second connecting port;
• the bridge comprises two holes or grooves facing the first heat exchange portion for communication;
• the bridge comprises at least two holes and/or grooves which are in communication with the second heat exchange portion, and openings of the at least two holes or grooves of the bridge which are in communication with the second heat exchange portion face the second heat exchange portion;
• the bridge is further provided with a first mounting portion, the throttling heat exchange assembly comprises a sensing element, the sensing element is mounted on the first mounting portion, a sensing head of the sensing element is located in one hole and/or one groove of the bridge a first hole passage of the first heat exchange portion and a first hole passage of the second heat exchange portion are in communication with each other through the hole and/or the groove where the sensing head is located.