Coaxial millimeter wave adaptor with air-tight waveguide

Abstract

The invention relates to a coaxial millimeter wave adaptor with air-tight waveguide, which solves the technical problem that the existing coaxial millimeter wave adaptor with waveguide can not provide the air-tight property. The adaptor comprises a first inner conductor, a second inner conductor, a third inner conductor, a first outer conductor, a second outer conductor, a third outer conductor, a fourth outer conductor, a first insulator and a second insulator, wherein the first inner conductor is arranged in the first insulator; the first insulator is arranged in the second outer conductor; the second outer conductor is embedded into the first outer conductor; the second inner conductor is arranged in the second insulator; the second insulator is arranged in the third outer conductor; the two ends of the second inner conductor are respectively and coaxially connected with the first inner conductor and the third inner conductor; the third inner conductor is arranged in the cavity of the fourth outer conductor; the second insulator is prepared by sintering a glass medium; and the third outer conductor is welded in the fourth outer conductor. Thus, the air-tight property is greatly enhanced, and the requirement that the adaptor can not cause the leakage of gas under a certain pressure difference can be satisfied.

Description

technical field [0001] The invention relates to a hermetically sealed waveguide coaxial millimeter wave adapter. Background technique [0002] Because of its advantages such as large power capacity and small attenuation, the waveguide system was mainly used to realize microwave transmission in the early millimeter wave band, but the waveguide frequency band is narrow, and even in some cases, within a given frequency band , there will also be overlap at its edge, and because the coaxial system can transmit electromagnetic wave signals from direct current to ultra-high frequency spectrum, the coaxial device has the advantages of small size, light weight, and the system assembled with the coaxial device is not physically affected A series of advantages such as position limitation, so the development of coaxial millimeter wave is gradually paid attention to, and after the 1990s, it has developed rapidly. [0003] With the development of coaxial system millimeter wave products, ...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a hermetically sealed waveguide coaxial millimeter wave adapter, which solves the technical problem that the existing waveguide coaxial millimeter wave adapter cannot provide airtight performance requirements

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