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HF/VHF Dual Band Whip Antenna

A dual-band, antenna technology, applied to the antenna of HF/VHF dual-band radio, ultra-wideband antenna field, to achieve the effect of increasing bandwidth, convenient disassembly and assembly, and improving efficiency

Inactive Publication Date: 2012-10-17
陕西烽火诺信科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a 1.6MHz~88MHz dual-band whip antenna to solve the supporting communication problem with the dual-band radio

Method used

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  • HF/VHF Dual Band Whip Antenna
  • HF/VHF Dual Band Whip Antenna
  • HF/VHF Dual Band Whip Antenna

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Embodiment Construction

[0033] refer to figure 1 , the present invention adopts an asymmetric middle feed mode, the diameter of the lower section radiator is thickened to Ф32mm, and the middle section radiator is a spiral mode, and 3MHz-88MHz ultra-wideband frequency multiplexing is formed by means of multi-frequency point impedance matching and transmission line transformers. The single-whip antenna structure solves the problems of impedance matching, antenna efficiency, and power capacity in the 3MHz-88MHz frequency band, and realizes the index requirements in the ultra-wideband 3MHz-88MHz range. The height of the whole antenna is 4m, including the base 1, the lower radiator 2, the middle radiator 3, and the upper radiator 4. These four parts are connected as one by threads, the lower end forms a sleeve structure, and the upper end forms an asymmetrical center. Antenna structure. The base 1 of the antenna is fixed on the car body by bolts, which can be easily disassembled.

[0034] refer to fig...

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Abstract

The invention provides a HF / VHF dual-band whip antenna, which mainly solves the impedance matching problem between the antenna and the radio station. The whole antenna is mainly composed of a base (1), a lower radiator (2), a middle radiator (3) and an upper radiator (4), wherein the lower radiator (2) includes a copper tube (20), A transmission line transformer (22) and a magnetic ring (25), one end of the transmission line transformer is connected to the copper pipe through a coaxial cable (26), and the other end is connected to the middle radiator (3) and the upper radiator (4); Radiator (3) comprises internal helix (31) and second section glass steel pipe (30), and this helix is ​​sealed in the inner cavity of second section glass steel pipe (30) by support pipe (40); 4) comprise array (39) and the third section glass steel pipe (38), and this array is made up of two parallel metal wires. The invention can realize ultra-wideband characteristics in the 1.6MHz-88MHz frequency band, and is suitable for installation on various armored vehicles and ships.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to an ultra-wideband antenna suitable for use as an antenna for HF / VHF dual-band radio stations. Background technique [0002] At present, the frequencies used by our military radio stations are generally divided into 4 frequency bands, namely 1.6MHz~30MHz, 30MHz~88MHz, 225MHz~512MHz, 400MHz~2500MHz, and the antennas that match the radio stations are also divided into the above 4 frequency bands. In active military communications, short-wave radio stations use antenna tuners to solve the impedance matching problem between the antenna and the radio station. The antennas selected here are ordinary narrowband antennas, such as piggyback 1.5m, 2.4m and 3m whip antennas; vehicle-mounted 3m, 4m and 6m whip antennas; and 10m mast antennas and 44m dipole antennas for fixed stations. Ultrashort wave radio is currently broadband to solve the impedance matching problem between the antenna an...

Claims

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Application Information

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IPC IPC(8): H01Q9/34
Inventor 龙拉怀张志云赵艳马致民陈文君程智辉卢攀
Owner 陕西烽火诺信科技有限公司