Looped network unit fault rapid positioning device

The utility model provides a ring network unit fault rapid positioning device. The ring network unit fault rapid positioning device comprises a fault acquisition system, a controller and a central work station. Wherein the fault acquisition system is used for acquiring parameter information of the looped network unit and sending the parameter information to the controller, and the fault acquisition system comprises a current sensor, a voltage sensor, a temperature sensor, a smoke sensor and a potential indicator which are installed in the looped network unit; the controller is used for receiving the parameter information sent by the fault acquisition system, integrating the parameter information into a monitoring result, and sending the integrated monitoring result to the central workstation through the communication device installed on the controller; the central workstation is used for receiving the monitoring result sent by the controller, determining whether the looped network unithas a fault or not based