Parameter calibration device and method for distributed optical fiber monitoring system of wind turbine generator blades

The invention discloses a parameter calibration device and method for a wind turbine generator blade distributed optical fiber monitoring system, and the device comprises a box body which comprises an openable box cover, the box body is filled with a heat transfer medium, the box wall is provided with a heat insulation layer, and a uniform and constant-temperature environment is provided for a to-be-calibrated optical fiber; opposite box walls of the box body are provided with a placement hole and a lead-in groove, an optical fiber is placed in the placement hole through the lead-in groove, and sealing devices are arranged around the lead-in groove and the placement hole; the tension buckle is fixed on the optical fiber, tension is applied to the optical fiber through the transmission structure to enable the optical fiber to generate strain, and the strain sensing module measures the strain of the to-be-calibrated optical fiber; a tension adjusting module, a temperature adjusting module, a controller and a di