Lithium battery laminated protection plate, power battery pack and electric vehicle

The utility model provides a lithium battery lamination protection plate which is used for connecting a lithium battery and comprises an acquisition communication plate and a power switch plate, and the acquisition communication plate and the power switch plate are arranged in a lamination mode in the vertical direction and are electrically connected through a plug connector. An analog front-end chip and a control module are arranged on the acquisition communication board, and a power switch group is arranged on the power switch board; the analog front-end chip is used for collecting parameter information of the lithium battery, and the control module is used for transmitting the parameter information to the cloud server; the analog front-end chip is further used for sending a control signal to the power switch group according to the parameter information, and the power switch group is used for being switched on or switched off according to the control signal so as to achieve charging and discharging control