US Patent 10355638 Solar junction box

A solar junction box includes a box cover and a terminal plate. The terminal plate includes a plurality of terminals arranged side by side and diode units for connecting adjacent terminals, and the terminals and diode units are integrally packaged in plastic. Two outermost terminals are respectively used to connect cables. The terminal plate serving as a back plate of the box cover is fixedly connected to the box cover in detachable manner. A cavity for filling silica gel is formed between the box cover and the terminal plate. The assembly of the solar junction box is convenient, and it has relatively good heat dissipation and sealing performance.