Safety protection auxiliary device for elevator door

The utility model discloses an elevator door safety protection auxiliary device, and relates to the technical field of elevator safety monitoring, in particular to an elevator door safety protection auxiliary device. The device is a safety protection system dominated by a 24G Doppler radar system, and is used for detecting whether a person approaches the elevator door or not and performing early warning in advance; the radio frequency transceiver module is installed in the middle of the top between an elevator car door and a landing door. The output end of the radio frequency transceiver module is connected with the input end of the programmable filter; the output end of the programmable filter is connected with the input end of the intermediate frequency signal amplifier; the output end of the intermediate frequency signal amplifier is connected with the input end of the microprocessor module; the frequency synthesis module is connected with the radio frequency transceiver module through a signal line. The o