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Broadband communication antenna

A broadband communication and antenna technology, which is applied in the fields of omnidirectional communication antennas and broadband communication antennas, can solve the problems of inconvenient installation, narrow bandwidth, and large space occupied by rod-shaped microwave omnidirectional antennas, and achieves simple structure, good consistency, low cost effect

Active Publication Date: 2014-07-23
NO 8357 RES INST OF THE THIRD ACADEMY OF CHINA AEROSPACE SCI & IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies and defects in the prior art, provide a broadband communication antenna, and solve the problems of conventional rod-shaped microwave omnidirectional antennas that occupy a large space, are inconvenient to install, and have a narrow bandwidth.

Method used

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Embodiment Construction

[0027] A broadband communication antenna provided by the present invention is introduced below in conjunction with the accompanying drawings and embodiments:

[0028] Such as Figure 1~3 As shown, a broadband communication antenna includes an antenna body 1 and a coaxial feed connector 2. The antenna body 1 is a strip-shaped printed board with a dielectric constant less than 5, and a serpentine metal is printed on the printed board. Structure 1a, the beginning of the serpentine structure is directly connected to the microstrip impedance transformation line 1b in the lower half of the front of the printed board, and the end of the serpentine structure is connected to the straight-through microstrip wire in the upper half of the back of the printed board through the through hole 3; The lower half of the back of the printed board is fully covered with the metal layer as the microstrip metal ground 1d; the straight-through microstrip wire 1c on the upper half of the back of the pr...

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Abstract

The invention particularly relates to a broadband communication antenna, which belongs to the field of an antenna and aims at solving the problem that a conventional rod-shaped microwave omnidirectional antenna has the disadvantages of large occupied space and size, inconvenience of installation, narrower bandwidth and the like. The antenna comprises an antenna body and a coaxial feed connector, wherein the antenna body is of a bar-shaped printed board of which dielectric constant is less than 5, and a snake-shaped metal structure is printed on the printed board. According to the broadband communication antenna, the tail end of a conventional monopole antenna is bent and deformed, and moreover, the printed board with relatively-high dielectric constant is introduced, the electric length of the antenna is not changed and the actual height is effectively reduced, thus the antenna is miniaturized, easy to manufacture and low in cost. The antenna main body is of a printed board structure, and any complex structures can be avoided, and thus the antenna has good uniformity and is convenient to produce in bulk.

Description

technical field [0001] The invention belongs to the field of antennas, in particular to a broadband communication antenna, in particular to an omnidirectional communication antenna with broadband miniaturization characteristics. Background technique [0002] The ISM (Industrial, Scientific and Medical) frequency band is the industrial, scientific and medical frequency band. This is a free and open short-range wireless communication frequency band, mainly used for wireless communication applications in industry, science, and medical research. Wireless management agencies in Europe, America, Japan and other countries have set up their own ISM frequency bands. In the United States, this frequency band is defined by the FCC (Federal Communications Commission), and the available frequency bands include: 27MHz, 260~470MHz, 902~928MHz and 2.4GHz. In Europe, the standard center frequencies of the ISM bands are 433MHz, 868MHz and 2.4GHz. Currently, the most commonly used ISM freque...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/38H01Q1/48
Inventor 钟玲玲李永翔
Owner NO 8357 RES INST OF THE THIRD ACADEMY OF CHINA AEROSPACE SCI & IND
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