Electromagnetic valve and air conditioning system having same

An electromagnetic valve, comprising a valve sleeve and a valve body, wherein the valve sleeve is fixedly connected with the valve body;

• a valve cavity is formed by enclosing an interior of the valve sleeve and an interior of the valve body, and a spherical sealing member is disposed in the valve cavity;
• the valve body is provided with a valve port, and the spherical sealing member is capable of moving in the valve cavity along an axis of the valve sleeve and opening or sealing the valve port;
• wherein a first connecting pipe is fixedly connected to a side wall of the valve body, the first connecting pipe is in communication with the valve cavity, the valve body is fixedly connected with a second connecting pipe extending along an axis of the valve body, the second connecting pipe is in communication with the valve port, and a distance between an axis of the first connecting pipe and an end of the valve port towards the spherical sealing member is defined as H, the distance H between the axis of the first connecting pipe and the valve port towards the spherical sealing member satisfies the following relationship:
• 0 mm<H≤5 mm;
• and a material of the spherical sealing member is different from a material of the valve body.