The charging gun serves as the interface between the charging equipment and the electric vehicle charging battery, and connects the electric vehicle and the charging pile to ensure the safety and reliability of the charging gun. Therefore, the design of the charging gun needs to comply with national industry standards to ensure the consistency of the connection between the pile and the gun. The charging gun should be equipped with protection devices such as over-voltage protection, lightning protection, output short circuit protection, leakage protection and over-current protection, and there is a leakage protector inside. If leakage occurs during standby or charging, it will trip in time to protect users. Personal safety. In the appearance design of the charging gun, necessary operating specifications and warning signs should be provided to remind users of safe operation. The shell material of the charging gun needs to have good high and low temperature resistance to ensure that the charging gun can be used normally in most areas of the country and under various climatic conditions. Before it is put into production and use, it needs to be continuously tested, and all performances can be put into use after they are qualified to ensure the personal safety of users. This charging gun is an integrated charging pile designed for BMW's Basba Z8 model in early cooperation with BMW. It is designed for charging new electric vehicles: the charging gun is designed with fashionable appearance, unique and innovative shape, full consideration of hand feeling, dynamic lines, fashionable color matching, black and white matching, and blue lines for embellishment. It is visually simple and elegant, and the appearance is simple and durable. The charging pile is equipped with a digital display screen, which is convenient to view data at any time, making the user's operation more convenient and labor-saving.