The charging pile needs to be rapidly charged, its charging current is large, easy to bring about potential safety hazards, its safety protection measures are crucial. Safety requirements include:Charging pile should have electrical safety protection measures. When charging, there should be measures to cope with unexpected situations, and when all the measures fail, there should be a method of manual intervention: Since charging piles are located all over the city, there should be certain measures to prevent non-electric vehicle users from operating charging piles casually.