Intelligent parking lock and usage authentication method thereof

The invention discloses an intelligent parking lock and a usage authentication method thereof. The parking lock comprises a top cover and a base assembly, wherein guide rails are arranged on the baseassembly; a supporting sliding rail assembly is connected between the top cover and the base assembly; the supporting sliding rail assembly is connected onto the guide rail in a sliding manner; an electronic circuit board is arranged in the top cover and comprises a central processing unit, a constant current source module, a power management unit, a drive circuit and a vehicle identification monitoring module; and a stabilized voltage supply circuit is connected between the constant current source module and the power management unit. The usage authentication method disclosed by the inventioncomprises the step of performing usage authentication by adopting the intelligent parking lock. According to the intelligent parking lock disclosed by the invention, and functions of providing principle services for charging