Locomotive, brake cylinder pressure control system and method

Abstract

The invention discloses a brake cylinder pressure control system. The brake cylinder pressure control system comprises an air distribution valve control device, a distribution valve provided with a connecting train pipe and a main air pressure regulating valve connected with a main air pipe as well as a locomotive individual control device and a bidirectional valve, wherein the main air pressure regulating valve is connected with a brake cylinder precontrol air cylinder by virtue of the distribution valve, the brake cylinder precontrol air cylinder is connected with a first application valve which can amplify a brake cylinder precontrol pressure valve signal; a distribution valve cut-off device used for isolating the distribution valve is arranged between the main air pressure regulating valve and the distribution valve, and the distribution valve is also connected with a working air cylinder; the locomotive individual control device outputs a brake cylinder precontrol pressure value by virtue of a second application valve with signal amplification effect; the first application valve and the second application valve are respectively connected with the main air pipe. The brake cylinder pressure control system provided by the invention has the advantages that two control ways, namely an air distribution valve and individual brake control, are mutually independent and do not influence each other, and safety and reliability of brake cylinder control are improved. The invention also disclosed a kind of brake cylinder pressure control way and a kind of locomotive.

Description

technical field [0001] The invention relates to the technical field of braking systems of electric locomotives, in particular to a brake cylinder pressure control system. In addition, the present invention also relates to a locomotive comprising the above brake cylinder pressure control system and a brake cylinder pressure control method. Background technique [0002] Brake cylinder pressure control is an integral part of the brake system. At present, the freight trains transported by domestic railways are mainly large and heavy-duty trains. The formation of passenger trains is long and the axle load is large. It is required that the trains can be relieved quickly. When the brakes are adjusted, they will not cause parking and hook breakage accidents due to slow relief. Existing air distributing valves all adopt the two-pressure mechanism action valve of one relief type as main. [0003] However, the safety and reliability of this control method is low and cannot meet the r...

AI Technical Summary

Problems solved by technology

[0003] However, the safety and reliability of this control method is low and cannot meet the requirements of the UIC standard

Images