Electromagnetic radiation device based on planar transmission line structure

Abstract

The invention discloses an electromagnetic radiation device based on a planar transmission line structure. The electromagnetic radiation device comprises a shield plate, a printed circuit board assembly and radio frequency interconnection assemblies, wherein a groove extending in the length direction and at least one through hole penetrating the groove are formed in the shield plate; the printed circuit board assembly comprises a dielectric substrate, a central metal band and upper grounding metal bands; the dielectric substrate is attached to the upper surface of the shield plate, and viewing ports corresponding to the through holes are formed in the dielectric substrate; the central metal band is laid on the upper surface of the dielectric substrate and extends in the length direction of the dielectric substrate; the upper grounding metal bands are laid on the upper surface of the dielectric substrate and located on two sides of the central metal band; the radio frequency interconnection assemblies are mounted at two ends of the shield plate to transmit electromagnetic waves to the central metal band. With adoption of the electromagnetic radiation device provided by the embodiment of the invention, convenience in biological experiment operation in an irradiation process is realized, and the electromagnetic radiation device has the electromagnetic properties of large single-mode operation frequency range, high power efficiency and the like and is simple to process and manufacture.

Description

technical field [0001] The invention belongs to the field of microwave technology, and in particular relates to an electromagnetic radiation device based on a planar transmission line structure. Background technique [0002] With the development and wide application of communication and electronic technology, such as the rapid popularization of wireless communication devices such as mobile phones, electromagnetic waves may pose potential hazards to health. [0003] The research on the biological effects of electromagnetic radiation is one of the ways to assess the potential health hazards of electromagnetic radiation, and the electromagnetic radiation system is the basis for studying the biological effects of electromagnetic radiation. In the study of biological effects in the process of electromagnetic radiation, rapid biological reactions are often involved, such as electrophysiological signals such as membrane potential and ion channel current can change in the process of...

AI Technical Summary

Problems solved by technology

In practical applications, the current electromagnetic radiation structural units either have poor operability in biological experiments, or have problems such as narrow operating frequency bandwidth, especially single-mode transmission bandwidth, and low power efficiency.

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