Fan blade noise collector

The utility model relates to the technical field of noise collection for fans, in particular to a fan blade noise collector which comprises a collection module, a network module, a protection module and a power module which are arranged in a collector main body box, and the collector main body box is installed below a fan tower through a fixing support. The acquisition module is composed of a microphone array and an audio acquisition board, sound signals acquired by the microphone array are processed by the audio acquisition board and then are transmitted outwards by the network module, and the protection module comprises a heating sheet and a dehumidification device which are arranged in the collector main body box; the power supply module adopts a combination of a self-resetting lightning protection device and an industrial power supply, and the industrial power supply supplies power to the network module, the protection module and the acquisition module. According to the fan blade noise collector in the sc