Multi-band antenna

多频天线

Abstract

本发明公开了一种多频天线,包括:全封闭金属边框1、PCB板2、接地元件3、接金属边元件4、天线支架5、天线辐射体6,接地元件3与PCB板2的铺铜区域和天线辐射体6连接,接金属边元件4与全封闭金属边框1和天线辐射体6连接,天线支架5固定于PCB板2的净空区域,天线辐射体6设置于天线支架5上,天线辐射体6包括天线主体61和与天线主体61相连接的馈电点62,天线主体61包括:高频辐射部分611和低频辐射部分612、以及辐射壁613,高频辐射部分611和低频辐射部分612分别与全封闭金属边框1形成耦合,辐射壁613设置于PCB板2上,馈电点62与PCB板2上的微带馈电网络相连接。
Disclosed in the invention is a multi-band antenna comprising a totally-enclosed metal frame 1, a PCB 2, a grounding component 3, a metal edge connecting element 4, an antenna bracket 5, and an antenna radiating body 6. The grounding component 3 is connected with a copper laying area of the PCB 2 and the antenna radiating body 6; the metal edge connecting element 4 is connected with the totally-enclosed metal frame 1 and the antenna radiating body 6; the antenna bracket 5 is fixed in a clearance area of the PCB 2; and the antenna radiating body 6 is arranged on the antenna bracket 5. The antenna radiating body 6 consists of a main antenna body 61 and a feeding point 62 connected with the main antenna body 61; the main antenna body 61 includes a high-frequency radiation part 611, a low-frequency radiation part 612, and a radiation wall 613; the high-frequency radiation part 611 , the low-frequency radiation part 612, and the totally-enclosed metal frame 1 are in coupling state; the radiation wall 613 is arranged on the PCB 2; and the feeding point 62 is connected with a micro-stripe feed network of the PCB 2.

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