Honeycomb mixed interlayer structure radar radome

Abstract

The invention discloses a honeycomb mixed interlayer structure and radar radome. The radome comprises an outer skin, an inner skin, a first honeycomb and a second honeycomb; the first honeycomb and the second honeycomb are arranged between the outer skin and the inner skin, the first honeycomb surrounds the second honeycomb, the thicknesses of the first honeycomb gradually becomes smaller from larger in the direction from the outer side to the second honeycomb, the part making contact with the second honeycomb has the same thickness as the second honeycomb, lattice holes of the first honeycombare smaller than those of the second honeycomb, the radar radome electrical property requirements can be met; meanwhile, the radar radome strength and rigidity requirements can be met.

Description

technical field [0001] The invention relates to the technical field of radome, in particular to a radome with a honeycomb hybrid sandwich structure. Background technique [0002] Radar is the clairvoyance and ears of the aircraft. As an important structural and functional part of the radar system, the radome provides an excellent electromagnetic transparent window for the radar, and at the same time bears various loads and natural environment effects to protect the safety of the radar system. The radome is mainly made of composite materials. Sandwich structure, of which the most widely used is the A-type honeycomb sandwich structure, but the current A-type honeycomb sandwich structure radome design mainly uses the same honeycomb core material to meet its electrical performance and strength, stiffness performance requirements, although the basic It can meet its electrical performance, strength and stiffness performance requirements, but as the electrical performance requireme...

AI Technical Summary

Problems solved by technology

[0002] Radar is the clairvoyance and ears of the aircraft. As an important structural and functional part of the radar system, the radome provides an excellent electromagnetic transparent window for the radar, and at the same time bears various loads and natural environment effects to protect the safety of the radar system. The radome is mainly made of composite materials. Sandwich structure, of which the most widely used is the A-type honeycomb sandwich structure, but the current A-type honeycomb sandwich structure radome design mainly uses the same honeycomb core material to meet its electrical performance and strength, stiffness performance requirements, although the basic It can meet its electrical performance, strength and stiffness performance requirements, but as the electrical performance requirements of the radome become higher and higher, it is necessary to continuously reduce the thickness of the skin and core layer, and after the thickness of the skin and core layer is reduced, the strength and stiffness of the radome However, the stiffness has decreased. Therefore, it is necessary to propose a honeycomb hybrid sandwich structure radome, which can not only meet the electrical performance requirements of the radome, but also ensure that the strength and stiffness of the radome meet the requirements.

Images