Nowadays, for many owners of electric vehicles, the most important thing after going home at night is that they should not forget to connect the car to the charging line. Just as we charge our mobile phones now, they are commonplace things in life. But compared to the phone, to the electric car after the power cord is not so convenient. Charging process is more complicated than the traditional car refueling process, longer charging time, charging frequency more intensive, unplug the charging line when leaving home during the day will result in incremental charging, will undoubtedly increase the power consumption. Therefore, it is inconvenient not only to move the charging wire roughly, but also to guarantee its safety. In response to this problem, Tesla Corporation has started to develop automated machine charging systems similar to solid metal snakes for electric vehicles, including ModelS. Tesla automated machine charging system can climb out of the wall like a solid metal snake, just a few seconds to complete the charging port docking work to complete the charging task. Tesla has yet to disclose the price and listing date of this automatic charging device. Some media said Tesla this metal snake Cottage has won the 2010 German Future Award Festo manufacturers research and development of bionic hands. Bionic hands are safer than robotic hands, so bionic hands are undoubtedly the most suitable automatic charging device in a manned environment like a charging station. Elon Musk, Tesla's chief executive, described the future of Tesla charging: park your car in a cafe, get in a cup of coffee, and Tesla will find the nearest charging post, charging post Line will automatically plug into the charging port. In bad weather conditions such as rainy days and snow days, the driver can also power the car without going out. In the future, you park your car at the charging station, get off caricably, and a metal snake crawls over to your car slowly, aiming at your charging port and wriggles in. This situation has become a reality, and even very likely to mass production.