Method for automatic regulation of air-conditioning units in high-speed trains

Abstract

The invention discloses a control method for the automatic operation mode of an air-conditioning unit of a rail vehicle, relates to the technology of an air-conditioning equipment for a rail vehicle, and comprises the following steps: initializing the control system: starting the control system of the air-conditioning unit, and according to the time when the train is running and the temperature Twi outside the region , Set the control mode ki in the driving interval, the control system software will automatically call out the control mode ki, set the initialization target temperature Tmi, and then enter the automatic operation mode; start the tour monitoring to achieve precise control in the control mode ki: regularly start the comprehensive air quality evaluation system, the control mode is automatically converted; repeat the above steps until the train air conditioning system stops. The invention sets the target temperature, and after the air-conditioning unit runs for a period of time, the temperature in the compartment reaches the target temperature, automatically judges the cooling demand and heating demand according to the change of the internal and external environment temperature, controls the automatic ventilation, cooling or heating of the vehicle air conditioner, and improves the safety of the vehicle. Comfort, reducing the workload of the staff.

Description

technical field [0001] The invention relates to the technical field of rail trains, closed environments, especially the air conditioning of high-speed trains, especially the self-adaptive control technology for long-distance round-trip operation in a natural environment with complex weather and environmental changes. Background technique [0002] The carriages equipped in rail transit vehicles are confined spaces. In order to ensure the freshness of the air in the enclosed space, the intake of fresh air must be ensured during long-distance operation; high-speed trains may cross long distances in a short period of time, regardless of the ambient temperature or air quality There may be great differences in the changes of , and flow, in order to ensure that the air in the compartment reaches the standard. Although the air-conditioning unit equipped on the existing locomotive has two functions of cooling and heating, it does not have the ability of random response regulation. ...

AI Technical Summary

Problems solved by technology

The self-adaptive control ability of the air conditioning unit in the existing technology is too poor to meet the needs of the increasingly modern EMUs for high speed, safety, stability and comfort