Device for testing temperature of inner wall of composite material in hypersonic flight test

The invention discloses a hypersonic flight test composite material inner wall temperature testing device, and relates to the technical field of hypersonic flight test, the hypersonic flight test composite material inner wall temperature testing device comprises a split type design fixing assembly, the bottom of the fixing assembly is provided with a limiting groove for a to-be-tested mechanism of a composite material to extend into; a measuring element; the locking assembly is used for fastening the measuring element on the fixing assembly; wherein the fixing assembly is provided with at least two step holes which can be used for the measurement element to extend in and are communicated with the limiting groove. The invention provides a device for testing the temperature of the inner wall of a composite material in a hypersonic flight test, which can ensure tight contact between a thermocouple measuring point and the material under the condition that the temperature environment of the inner wall of the compo