Microwave radiation heating antenna module

The invention discloses a microwave radiation heating antenna module, and relates to the technical field of microwave energy application devices. The antenna module includes a cylindrical outer conductor provided with an opening at one end, and the inner conductor positioned in the outer conductor and supported and fixed with the outer conductor through a support; in the axial direction of the outer conductor, the outer conductor includes a spiral groove penetrating the surface of the outer side of the internal portion of the side wall, the spiral groove comprises at least one screw pitch transition section, and the antenna module can uniformly radiate the electromagnetic waves outwards through the at least one screw pitch transition section of the spiral groove to achieve the uniform heating of the medium. 本发明公开一种微波辐射加热天线组件，涉及微波能应用器件技术领域。所述天线组件包括：一端开口的筒状外导体，以及位于外导体内的通过支撑子与所述外导体支撑固定的内导体；沿所述外导体的轴向方向上，所述外导体包括有贯穿其侧壁内外侧表面的螺槽，所述螺槽包括至少一个螺距渐变段，所述天线组件可通过螺槽的螺距渐变段均匀向外辐射电磁波，实现均匀加热介质。