Abstract: A purification structure is located beside an inlet segment of a heat dissipator and contains: a casing, a water mesh, a water distribution seat, and a water collection device. The casing includes an air inlet and an air outlet. The water mesh includes multiple orifices and is accommodated between the air inlet and the air outlet of the casing. The water distribution seat is secured on a top of the water mesh and includes an aperture and multiple passages. The water collection device communicates with a bottom of the water mesh, and the water collection device includes a water accommodation chamber and a pump, wherein the pump has a water output segment connecting with a guide tube which communicates with the aperture of the water distribution seat, such that the water is outputted by the pump to flow toward the aperture via the guide tube.

Abstract: A charger extension cable for an electric car is connected with a home circuit and a charging gun of the electric car, and the charger extension cable contains: a body. A plug connects with a home circuit, and the plug connects with an electromagnetic protection switch via a first extension part, wherein an output end of the electromagnetic protection switch connects with a measuring meter, and an output end of the measuring meter couples with a first socket via a second extension part, the first socket is applied to connect with the charging gun.