Lift car monitoring terminal, lift car monitoring circuit and lift monitoring system

The utility model discloses a lift car monitoring terminal, a lift car monitoring circuit and a lift monitoring system. The lift car monitoring circuit comprises a microprocessor, a display driving module, a lift signal acquisition module, a video acquisition module and a network module, wherein the microprocessor is respectively connected with the display driving module, the lift signal acquisition module, the video acquisition module and the network module. The utility model improves the integration level of a lift monitoring device, provides convenience for installation and maintenance, and is high in system reliability and lower in the whole cost of the device compared with the prior art.