A heat management assembly, comprising a heat exchange core body and a valve component, wherein based on the heat exchange core body, the valve component is located above the heat exchange core body, and the heat exchange core body is fixedly connected to the valve component by welding;
- wherein the valve component comprises a valve body, a valve core, a valve port, and a circuit board, and the valve core is movable relative to the valve port for adjusting an opening degree of the valve port;
- wherein the valve body comprises a first flow channel and a second flow channel, which are communicated with each other and are respectively located on both sides of the valve port;
- wherein at least part of the first flow channel is located above the valve port, and at least part of the second flow channel is located below the valve port;
- wherein the valve body further comprises a third flow channel, which is not communicated with the first flow channel and the second flow channel on the valve body;
- wherein the valve component further comprises a sensor, which is fixedly connected to the valve body and is electrically connected to the circuit board;
- wherein at least part of the sensor extends into the third flow channel, and the sensor is configured to detect a temperature and/or pressure of a working medium in the third flow channel;
- wherein the heat exchange core body comprises at least one positioning portion, and the valve body comprises at least one matching portion, and the positioning portion and the matching portion are correspondingly provided for matching to define at least part of a relative position of the heat exchange core body and the valve body,
- wherein the heat exchange core body comprises two positioning portions, and one of the two positioning portions is defined as a first positioning portion, and the other of the two positioning portions is defined as a second positioning portion;
- wherein the valve body comprises two matching portions, one of the two matching portions is defined as a first matching portion, the other of two matching portions is defined as a second matching portion;
- wherein the first positioning portion and the first matching portion are in a clearance fit, the second positioning portion and the second matching portion are in a clearance fit;
- wherein a thickness of the first positioning portion is larger than a thickness of the first matching portion, and a thickness of the second positioning portion is larger than a thickness of the second matching portion,
- wherein the first positioning portion and the second positioning portion are formed on a main body section of the heat exchange core body, and the first positioning portion and the second positioning portion protrude from an upper surface of the main body section of the heat exchange core body;
- wherein the valve body comprises a first wall surface and a second wall surface, which are respectively located on both sides of the valve body;
- wherein an inlet hole of the first flow channel is formed on the first wall surface, and an outlet hole of the second flow channel is formed on the second wall surface;
- wherein the first matching portion and the second matching portion are both ring-shaped, and the first matching portion and the second matching portion extend along a direction from the second wall surface to the first wall surface.