Independent air duct of high-speed train equipment compartment

The invention discloses an independent air duct of an equipment compartment of a high-speed train, relates to the technical field of ventilation and heat dissipation of railway vehicles, and can improve the cooling efficiency of the equipment compartment and provide guarantee for normal operation of equipment in the compartment on the premise of not changing the original structure and equipment arrangement of the equipment compartment. The independent air channel comprises two contraction sections and a stable section, the contraction sections are symmetrically arranged at the two ends of the stable section, one contraction section is provided with an air inlet, the other contraction section is provided with an air outlet, the independent air channel is installed in an equipment cabin, and a heating equipment heat dissipation unit in the equipment cabin is arranged in the stable section. 本发明公开了一种高速列车设备舱独立风道，涉及轨道车辆通风散热技术领域，可在不改动原有设备舱结构及设备布置的前提下，提升设备舱的冷却效率，为舱内设备的正常运转提供保障。该独立风道包括两个收缩段和一个稳定段，所述收缩段对称设在所述稳定段两端，一个收缩