Power distribution cabinet humidity regulation and control system

The utility model relates to the technical field of humidity regulation in a power distribution cabinet, and discloses a humidity regulation and control system for a power distribution cabinet, which comprises a dehumidifier, a plurality of flow collection distributors, a first-stage pipeline, a second-stage pipeline, a third-stage pipeline, a fourth-stage pipeline and a fourth-stage pipeline, the bottom of each flow collecting distributor is correspondingly communicated with the power distribution cabinets with the corresponding pipe number through a plurality of secondary pipelines, temperature and humidity sensors are installed in the power distribution cabinets, and air channel structures matched with the secondary pipelines communicated with the tops are arranged in the power distribution cabinets. The dehumidification device has the advantages of being efficient, energy-saving, passive and pollution-free in dehumidification and capable of effectively preventing condensation. Meanwhile, an air passage st