Dipole fixation in antenna system

Patent metadata

Field	Value
Publication number	US-10879580-B2
Application number	US-201415108840-A
Country	US
Kind code	B2
Filing date	Dec 8, 2014
Priority date	Dec 31, 2013
Publication date	Dec 29, 2020
Grant date	Dec 29, 2020

Abstract

The present invention provides a dipole fixation in an antenna system for fixing dipoles (1) on a reflector (2), the dipole fixation comprising fixing members (3) passing through apertures on the reflector (2) to fix the dipoles (1) on the reflector (2); a first non-conductive member (4) arranged between the dipoles (1) and the reflector (2); and a second non-conductive member (5) arranged between the fixing members (3) and the reflector (2). The dipole fixation of this invention avoids any metal contact between the dipoles and the reflector, guaranteeing the PIM reliability for a long time and obtaining a stable connection.

First claim

What is claimed is:

1. A dipole fixation in an antenna system for fixing dipoles on a reflector, the dipole fixation comprising:
fixing members passing through apertures on the reflector to fix the dipoles on the reflector;
a first non-conductive member arranged axially between and in direct contact with the dipoles and the reflector; and
a second non-conductive member arranged axially between and in direct contact with the fixing members and the reflector;
wherein the fixing members and respective dipoles are not directly coupled to each other.

2. The dipole fixation of claim 1 , wherein the fixing members are metal fixing members.

3. The dipole fixation of claim 1 , wherein the first non-conductive member is a non-metal film.

4. The dipole fixation of claim 1 , wherein the second non-conductive member is a non-metal washer.

5. The dipole fixation of claim 1 , wherein the first non-conductive member is provided with a bulge axially extending into the apertures on the reflector.

6. The dipole fixation of claim 1 , wherein the first non-conductive member is a metal film with non-conductive treatment.

7. The dipole fixation of claim 1 , wherein the second non-conductive member is a metal washer with non-conductive treatment.

8. The dipole fixation of claim 1 , wherein the second non-conductive member is provided with a bulge axially extending into the apertures on the reflector.

9. A dipole fixation in an antenna system for fixing dipoles on a reflector, the dipole fixation comprising:
fixing members passing through apertures on the reflector to fix the dipoles on the reflector;
a first non-conductive member arranged axially between and in direct contact with the dipoles and the reflector; and
a second non-conductive member arranged axially between and in direct contact with the fixing members and the reflector;
wherein the first non-conductive member comprises a metal film with a non-conductive treatment.

10. The dipole fixation of claim 9 , wherein the second non-conductive member is a metal washer with non-conductive treatment.

11. The dipole fixation of claim 10 , wherein the second non-conductive member is provided with a bulge axially extending into the apertures on the reflector.

12. The dipole fixation of claim 9 , wherein the second non-conductive member is provided with a bulge axially extending into the apertures on the reflector.

Assignees

• Nokia Shanghai Bell Co Ltd

Inventors

• Bu Antao
• Zhou Chenguang
• Hu Ling

Classifications

• H01Q1/1207 Primary

  for fastening a rigid aerial element · CPC title

• H01Q9/16

  with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole (H01Q9/44 takes precedence) · CPC title

• H01Q19/10

  using reflecting surfaces · CPC title

• H01Q19/108

  Combination of a dipole with a plane reflecting surface (H01Q19/106 takes precedence; strip line H01Q9/065) · CPC title

• H01Q1/246

  specially adapted for base stations · CPC title