一种超宽带半球波束覆盖天线

Abstract

本实用新型公开了天线技术领域内的一种超宽带半球波束覆盖天线，包括：地板；一对弯折的金属振子，安装于地板上，金属振子由竖向部、第一弯折部和第二弯折部构成，第一弯折部宽度组件增大，第一弯折部最小宽度与竖向部宽度一致，第一弯折部最大宽度与第二弯折部宽度一致；一对耦合振子，安装于地板上，耦合振子设置于第二弯折部外侧，耦合振子上部弯折且与第二弯折部平行；馈电金属板，安装于地板上；同轴馈电器，固接于地板并与馈电金属板连接。该天线将耦合振子及金属振子臂弯折，实现天线小型化并展宽天线的宽波束性能，通过容性耦合，实现天线超宽带性能。

Claims

1. An ultra-wideband hemispherical beam coverage antenna, characterized by, include: floor; A pair of bent metal oscillators are installed on the floor. Each metal oscillator consists of a vertical part, a first bent part, and a second bent part. The width of the first bent part is increased. The minimum width of the first bent part is the same as the width of the vertical part, and the maximum width of the first bent part is the same as the width of the second bent part. A pair of coupled oscillators are installed on the floor, the coupled oscillators are disposed outside the second bend, and the upper part of the coupled oscillators is bent and parallel to the second bend; A power supply metal plate is installed on the floor. A coaxial power supply is fixed to the floor and connected to the power supply metal plate.

2. The ultra-wideband hemispherical beam coverage antenna of claim 1, wherein: The first bend is perpendicular to the vertical portion, and the second bend forms an angle of 90-145° with the first bend.

3. The ultra-wideband hemispherical beam coverage antenna of claim 1, wherein: The metal oscillator is fixed to the floor with screws.

4. The ultra-wideband hemispherical beam coverage antenna of claim 1, wherein: The middle part of the feeding metal plate is bent into The width of the bent section gradually increases.

5. The ultra-wideband hemispherical beam coverage antenna of claim 4, wherein: A first fixed support is provided on the floor, and the coupling oscillator is bonded and fixed to the first fixed support.

6. The ultra-wideband hemispherical beam coverage antenna of claim 5, wherein: A second fixed support is provided on the floor, which is located between the two vertical parts, and the power supply metal plate is supported and shaped by the second fixed support.

7. The ultra-wideband hemispherical beam coverage antenna of claim 6, wherein: The first and second fixed support components are made of polytetrafluoroethylene.

8. The ultra-wideband hemispherical beam coverage antenna according to claim 1, characterized in that: The inner core of the coaxial feeder is welded to the feeder metal plate, and the outer casing of the coaxial feeder is welded to the floor.

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