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U-shaped VHF (very high frequency) antenna of unmanned aerial vehicle

A UAV and U-shaped technology, which is applied in the direction of antenna support/installation device, radiating element structure, etc., can solve the needs of relay communication that cannot meet the UAV airborne platform, the length of the straight rod antenna is long, the physical Problems such as limited size, to achieve "anti-destructive and three-defense" performance, increase antenna gain, and improve radiation efficiency

Active Publication Date: 2013-01-09
陕西烽火诺信科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to its limited physical size and low antenna gain, the VHF (ultrashort wave) frequency band knife antenna cannot meet the needs of relay communication on the UAV airborne platform; the straight rod antenna is too long because of its length. no installation location

Method used

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  • U-shaped VHF (very high frequency) antenna of unmanned aerial vehicle
  • U-shaped VHF (very high frequency) antenna of unmanned aerial vehicle
  • U-shaped VHF (very high frequency) antenna of unmanned aerial vehicle

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Embodiment Construction

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] refer to figure 1 , a U-shaped VHF antenna for drones according to the present invention, comprising a U-shaped radiator 1, the radiator 1 is set in an insulating sheath 2, and an antenna nameplate 3 is installed on the insulating sheath 2 with a small screw 4 to display the antenna information. This structure adopts the bottom feeding mode and applies the principle of broadband impedance matching. At the same time, devices with good linear characteristics and high power capacity are selected to solve the problem of antenna height and impedance matching, noise interference, power capacity, and linearity of frequency response within the working frequency band.

[0026] refer to figure 2 , The antenna radiator 1 of the present invention is mainly composed of a radiator bracket 5 , an antenna seat 6 , a fixing seat 7 and a rad...

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Abstract

A U-shaped VHF (very high frequency) antenna of an unmanned aerial vehicle comprises a U-shaped radiator. The radiator is sleeved in an insulating sheath, the radiator comprises a U-shaped radiator support, a radiator belt is wound on the radiator support at uniform pitches, a fixed seat is connected with one end of the radiator support, an antenna pedestal is connected with the other end of the radiator support, and the radiator belt is connected with a matcher in the antenna pedestal. The U-shaped VHF antenna of the unmanned aerial vehicle adopts a broadband impedance matching technique and an Advanced Design System2009 simulation optimization technique, the problem of antenna height is solved well, fine broadband impedance matching is achieved, and accordingly radiation efficiency of the antenna is effectively improved, antenna gain is enhanced, and the U-shaped VHF antenna of the unmanned aerial vehicle has the advantages of convenience in dismounting and mounting, destroy resistance and good three-proofing performance.

Description

technical field [0001] The invention belongs to the technical field of antennas, is suitable for an ultrashort wave frequency hopping radio station carried by an unmanned aerial vehicle, and relates to a U-shaped VHF antenna for an unmanned aerial vehicle. Background technique [0002] At present, most of the antennas used in the VHF (ultrashort wave) frequency band in my country's UAV communication system are knife antennas or straight rod antennas. Due to its limited physical size and low antenna gain, the VHF (ultrashort wave) frequency band knife antenna cannot meet the needs of relay communication on the UAV airborne platform; the straight rod antenna is too long because of its length. There is no installation location. The use of UAVs is becoming more and more extensive, and the combat effectiveness is gradually obvious and prominent. Therefore, there is an urgent need to develop a new type of antenna to solve the problem of antenna installation in the VHF frequency ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/36H01Q1/14
Inventor 卢攀张伟东于汶涛张志云赵艳李勉
Owner 陕西烽火诺信科技有限公司
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