Electronic expansion valve, manufacturing method thereof, and thermal management assembly

An electronic expansion valve, comprising a valve body, a valve component, a control portion and a sensor,

• wherein the valve body comprises a first mounting portion and a second mounting portion, and the valve body is provided with a first channel and a second channel, wherein the first mounting portion is provided with a first cavity, the second mounting portion is provided with a second cavity, the first cavity is communicated with the first channel, and the second cavity is communicated with the second channel;
• wherein the valve component comprises a valve seat, a valve core and a rotor assembly, wherein the valve seat is formed with a valve port, the rotor assembly is capable of driving the valve core to move relative to the valve seat so as to adjust an opening degree of the valve port;
• at least part of the valve seat is located in the first cavity, and at least part of the sensor is located in the second cavity;
• wherein the control portion comprises a cover body, a stator assembly and an electric control board, wherein the stator assembly is in electrical connection to, or is in signal connection to, or is in electrical connection to and in signal connection to the electric control board, and the sensor is in electrical connection to, or is in signal connection to, or is in electrical connection to and in signal connection to the electric control board;
• wherein the control portion is provided with a control cavity, wherein at least part of the control cavity is formed by the cover body, the electric control board is disposed in the control cavity, part of the sensor is located in the control cavity, the control cavity is communicated with the second cavity;
• wherein the sensor is securely connected to the valve body, and the sensor is configured to abut against the electric control board;
• wherein the first channel is not communicated with the second channel, an opening of the first cavity and an opening of the second cavity are located on a same side of the valve body, wherein the control portion further comprises an interface portion, wherein the interface portion is securely connected to the cover body through injection molding, the interface portion is configured to enable the electronic expansion valve to be in electrical connection to, or be in signal connection to, or be in electrical connection to and in signal connection to an outside,
• the electronic expansion valve comprises a first sealing element, wherein the first sealing element is disposed around an outer periphery of the control cavity, and the first sealing element is compressed tightly between the cover body and the valve body;
• and
• wherein the electronic expansion valve further comprises at least one engaging groove, and corresponding the first sealing element comprises at least one protrusion, each of the at least one protrusion of the first sealing element is in interference fit with a corresponding one of the at least one engaging groove.