Battery swapping method, server and battery installing-and-removing device

A battery swapping method applied to a battery installing-and-removing device in a battery swapping station, the method comprising:

• receiving a battery removing instruction sent by a server in the battery swapping station, the battery removing instruction being an instruction sent by the server based on battery swapping status information, the battery swapping status information being information sent to the server by an electric vehicle;
• removing a first battery from the electric vehicle and transporting the first battery to a first position based on the battery removing instruction;
• receiving a battery installation instruction sent by the server, the battery installation instruction being an instruction sent by the server when detecting that the first battery is transported to the first position;
• installing a second battery into the electric vehicle and generating battery installation information based on the battery installation instruction;
• sending the battery installation information to the server;
• wherein power of the second battery is higher than power of the first battery.

A server comprising:

• a battery swapping status information receiving unit configured to receive battery swapping status information of an electric vehicle;
• a battery removing instruction sending unit configured to send a battery removing instruction to a battery installing-and-removing device based on the battery swapping status information, the battery removing instruction being configured for instructing the battery installing-and-removing device to remove a first battery from the electric vehicle and transport the first battery to a first position;
• a battery installation instruction sending unit configured to send a battery installation instruction to the battery installing-and-removing device when detecting that the first battery is transported to the first position;
• a battery installation information receiving unit configured to receiving receive the battery installation information sent by the battery installing-and-removing device, the battery installation information being configured for indicating that a second battery is to be installed by the battery installing-and-removing device to the electric vehicle;
• a battery swapping completion instruction sending unit configured to send a battery swapping completion instruction to the electric vehicle based on the battery installation information;
• wherein power of the second battery is higher than power of the first battery.