Integrated air disinfection purifier for railway vehicle

The utility model provides an integrated air disinfection purifier for a railway vehicle. The integrated air disinfection purifier comprises a metal shell, an ion module, an ultraviolet module, a photocatalyst module and a power supply module, a baffle is arranged in the middle of the metal shell and divides the metal shell into a first area and a second area. The power supply module is arranged in the first area, and the first area is provided with a ventilation opening; the photocatalyst module, the ion module and the ultraviolet module are sequentially arranged in the second area, and the ion module comprises a grid type needle point matrix and a high-voltage pole piece; the two sides of the ion module are provided with insulating columns made of white glaze ceramic, and an ultraviolet lamp strip of the ultraviolet module adopts (LED,) deep ultraviolet lamps. An air disinfection and purification scheme of ultraviolet rays, photocatalysts and negative ions is adopted, and various air disinfection and purifi