Circuit and method for realizing operation maintenance of pantograph of electric locomotive

Abstract

The invention discloses a circuit and method for realizing operation maintenance of a pantograph of an electric locomotive. The realization circuit comprises an input-output module connector of a control system, an automatic end-change button and an automatic end-exchange indicator light, wherein the automatic end-exchange button is arranged on a control board of the electric locomotive, a normally open contact of the automatic end-change button is directly connected with a spare point location of the input-output module connector of the control system so as to change a control end under the operation maintenance of the pantograph; the automatic end-exchange indicator light is connected with the spare point location of the input-output module connector of the control system and is connected with the automatic end-change button through the spare point location to remind whether the automatic end-change operation of the automatic end-change button is normally finished so as to remind relative people of switching on or off a main breaker key-lifting switch at the control end, a pantograph key-lifting switch at the control end and an electric key at the control end sequentially and pulling out the electric key at set time. The pantograph can be lifted again after the control end is changed so as to guarantee that the electric locomotive can continuously operate.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of locomotives, and in particular to a circuit and a method for realizing operation and maintenance of pantographs of electric locomotives. Background technique [0002] During the operation of the electric locomotive, in case of extreme weather conditions such as smog, the driver must stop and replace the control end (from control end 1 to control end 2, or from control end 2 to control end if required by the railway line) 1 terminal). According to the existing electric locomotive settings and driving rules, the driver is at the control end 1, so that the electric locomotive is in the parking state, first disconnect the main circuit breaker toggle switch at the control end 1, disconnect the main circuit breaker, and disconnect the control end 1 Pull the key switch of the pantograph at the end, lower the pantograph, turn the electric key at the end 1 to the off position, and pull o...

AI Technical Summary

Problems solved by technology

However, in foggy weather, due to the wet and polluted surface of the roof insulator, the pantograph is lowered at the control end 1, and after the driver changes to the control end 2, the locomotive may not be able to display the catenary induced voltage at this time, causing the driver to be unable to judge Whether there is a grounding fault in the high-voltage electricity on the roof, and the pantograph switch at the 2 ends of the control end cannot be closed again, so the pantograph cannot be raised again, and the locomotive cannot be put into operation again

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