Train tail unit wind pressure measurement controlling means

Abstract

The invention discloses a wind pressure measurement and control device at the rear of a train, which is characterized in that: the device comprises: a mobile measurement device, which further comprises an air duct connector, a pressure sensor, an A / D conversion unit, a microprocessor, and a data storage unit It is connected with the data transmission unit and has its own power supply or external power supply, the air duct connector is connected with the column tail air duct, the pressure sensor is connected with the A / D conversion unit, the microprocessor is connected with the A / D conversion unit, the data storage unit and the data transmission unit The telemetry control master station further includes a data transmission unit, a microprocessor, a controller and its own power supply or an external power supply, the data transmission unit is connected with the microprocessor, and the microprocessor is also connected with the controller. It has the characteristics of convenient use, accurate measurement and high degree of automation.

Description

technical field [0001] The invention relates to a wind pressure measurement and control device at the tail of a train used for a brake test. Background technique [0002] According to the operation and maintenance regulations of railway wagons, when wagons are used for brake test, the train inspectors should install an air gauge for the experiment on the last wagon at the rear of the train to confirm whether the main wind pressure reaches the specified pressure value, but manual measurement exists. Uncertainty, and no direct connection with various wind test equipment such as gates in the control room, electronically controlled test fans, micro-control test fans, etc., it is impossible to directly control the wind pressure of the main pipe at the end of the column, resulting in inaccurate results, which affects the The quality and reliability of the train inspection, Chinese patent CN8721576.9 discloses a train brake air duct pressure monitoring device, but the monitored dat...

AI Technical Summary

Problems solved by technology

[0002] According to the operation and maintenance regulations of railway wagons, when wagons are used for brake test, train inspectors should install an air gauge for the experiment on the last wagon at the rear of the train to confirm whether the main wind pressure has reached the specified pressure value, but manual measurement exists. Uncertainty, and no direct connection with various wind test equipment such as gates in the control room, electronically controlled test fans, micro-control test fans, etc., it is impossible to directly control the wind pressure of the main pipe at the end of the column, resulting in inaccurate results, which affects the The quality and reliability of the train inspection, Chinese patent CN8721576.9 discloses a train brake air duct pressure monitoring device, but the monitored data is mainly used for the wind pressure detection of the train during the running process and the transmitted information is music The signal is inaccurate and cannot be applied to train maintenance, which is a shortcoming of the prior art

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