Method and device for controlling a locomotive compressor

Abstract

The invention discloses a control method of locomotive compressors. The control method comprises the following steps of: acquiring a total air-pressure value of a locomotive and the working rates of all compressors in advance; and judging whether the total air-pressure value is lower than a preset threshold value, if so, controlling a pressure switch to start the compressors with corresponding quantity, and starting the compressors in a sequence from low to high according to the working rates so as to increase the total air-pressure value. The control method disclosed by the invention has the advantages that the compressors with low working rates are used preferentially, so that the working efficiency of the compressors is improved; if the working rates of certain compressors are low, the actual working rates of the certain compressors are improved by the control method, and compared with the traditional starting mode, the long-time stopping without working of the certain compressors due to long-time working is avoided and the problems of oil emulsification of the compressors and the like are avoided; and due to continuous use of the compressors with low working rates, the working rates of all the compressors keep the state of dynamic balance all the time, and the working rates among the compressors are average relatively, so that the maintenance periods can be synchronous. A control device of the locomotive compressors, provided by the invention, can realize same technical effects.

Description

technical field [0001] The invention relates to the technical field of locomotive control systems, and more specifically relates to a locomotive compressor control method and device. Background technique [0002] As an important part of rail vehicles, compressors provide compressed air for locomotive air brake systems and other pneumatic equipment, and their reliability directly affects the safe operation of locomotives. [0003] The compressor control method of the existing locomotive or locomotive marshalling is that the total wind pressure value of the locomotive is obtained by the main control locomotive. If it is lower than the set value of the total wind pressure value, the compressor far away from the driver's cab is controlled to work. to increase the pressure value; if the pressure value continues to decrease, start all compressors when it is lower than another set value. When multiple locomotives are marshalled, each locomotive is controlled independently accordin...

AI Technical Summary

Problems solved by technology

[0004] Since the running direction of the locomotive and the time of the master control and slave control in the multi-machine formation are randomly arranged according to the use, after long-term use, there will be a large difference in the working rate and working time of the compressors. If the compressor works Low efficiency will lead to problems such as emulsification of compressor oil. The uneven working time and working rate will cause the overhaul and maintenance of the compressor to be inconsistent with the overhaul cycle of the locomotive, resulting in excessive and insufficient overhaul of the compressor.

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