Voice prompt system, bridge erecting unit voice prompt method, computing equipment and medium

The invention provides a voice prompt system, a bridge erecting unit voice prompt method, computing equipment and a medium. The voice prompt system comprises a control circuit and an alarm circuit, the control circuit comprises a control power supply, a programmable controller and a relay; the positive pole of the control power supply is electrically connected with the input end of the programmable controller, the output end of the programmable controller is electrically connected with the input ends of the at least two relays respectively, and the output ends of the relays are connected in parallel and then connected to the negative pole of the control power supply; the alarm circuit comprises a relay contact, a wiring terminal strip and an alarm; the wiring terminal strip comprises at least two high-potential pins and a low-potential pin, one ends of at least two relay contacts are connected in series and then are connected to the low-potential pin of the wiring terminal strip, and the other ends of the rel