CN209880805U - Unmanned aerial vehicle antenna - Google Patents

Abstract

The utility model discloses an unmanned aerial vehicle antenna, including the radiating element, the inboard of radiating element is pegged graft and is had the coupling unit, the top outer wall parcel of coupling unit has insulating protective housing, the outer wall of insulating protective housing has been seted up signal transmission cable hole, and signal transmission cable hole extends to coupling unit department, the top rigid coupling of coupling unit and insulating protective housing has insulating fixing base, the even subsection rigid coupling of outer wall of coupling unit has the counterpoise unit, the counterpoise unit runs through insulating protective housing the outer wall of radiating element and counterpoise unit has all plated the silvered film. According to the unmanned aerial vehicle antenna, the radiation unit adopts a copper pipe silver plating process, so that the conversion efficiency of electric signals is increased, and the gain of the antenna is improved; meanwhile, the ground grid unit and the radiation unit are additionally arranged to perform good electrical parameter matching, the working bandwidth of the antenna can be conveniently adjusted, interference to other airborne equipment is reduced to the minimum extent, and the working efficiency and reliability of the unmanned aerial vehicle are improved.

Description

Unmanned aerial vehicle antenna

Technical Field

The utility model relates to an unmanned aerial vehicle antenna technology field specifically is an unmanned aerial vehicle antenna.

Background

The existing unmanned aerial vehicle generally uses low-gain narrow-band antennas such as whip antennas and small spiral antennas, intermodulation interference is easily caused in an unmanned aerial vehicle data link, and the problems of low transmission efficiency and the like are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unmanned aerial vehicle antenna to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an unmanned aerial vehicle antenna, includes the radiating element, the inboard of radiating element is pegged graft and is had coupling unit, coupling unit's top outer wall parcel has insulating protective housing, the outer wall of insulating protective housing is seted up and is had the signal transmission cable hole, and the signal transmission cable hole extends to coupling unit department, coupling unit and insulating protective housing's top rigid coupling has insulating fixing base, the even subsection rigid coupling of outer wall of coupling unit has the counterpoise unit, the counterpoise unit runs through insulating protective housing, and the counterpoise unit extends to the insulating protective housing outside, the outer wall of radiating element and counterpoise unit has all plated the silvered film.

Preferably, the ground screen unit includes that the one end that coupling unit was kept away from to first copper core is equipped with the second copper core, a side surface that first copper core is close to the second copper core sets up threaded hole, one side rigid coupling threaded rod that the second copper core is close to first copper core, threaded rod and threaded hole threaded connection.

Preferably, a decorative cap is sleeved at the bottom end of the outer wall of the radiation unit.

Preferably, the signal transmission cable hole communicates with the coupling unit by inserting a signal transmission cable.

Compared with the prior art, the beneficial effects of the utility model are that: according to the unmanned aerial vehicle antenna, the radiation unit adopts a copper pipe silver plating process, so that the conversion efficiency of electric signals is increased, and the gain of the antenna is improved; meanwhile, the ground grid unit and the radiation unit are additionally arranged to perform good electrical parameter matching, the working bandwidth of the antenna can be conveniently adjusted, interference to other airborne equipment is reduced to the minimum extent, and the working efficiency and reliability of the unmanned aerial vehicle are improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1. the radiation unit, 2, insulating fixing base, 3, insulating protective housing, 4, signal transmission cable hole, 5, coupling unit, 6, ground screen unit, 601, first copper core, 602, screw hole, 603, threaded rod, 604, second copper core, 7, silvered film, 8, decorate the cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an unmanned aerial vehicle antenna comprises a radiation unit 1, the length of the radiation unit 1 is 1/4 of central frequency, the effect of well matching bandwidth and standing wave is achieved by adjusting the length 1/4 to 1/8 of a ground net unit 6, a decoration cap 8 is sleeved at the bottom end of the outer wall of the radiation unit 1, the decoration cap 8 is used for stipulating the radiation unit 1, a coupling unit 5 is inserted in the inner side of the radiation unit 1, an inner ring and a coupling part of the coupling unit 5 are fixedly connected and are connected with the center of a transmission cable, the impedance is 50 ohms, the outer ring of the coupling unit 5 is in welding connection with the ground net unit 6 and are in welding connection with a shielding layer of the transmission cable, an insulating protective shell 3 wraps the outer wall of the top end of the coupling unit 5, a signal transmission cable hole 4 is formed in the outer wall of the insulating protective shell 3, and the signal transmission cable hole 4 is communicated with the coupling unit 5 by, and the signal transmission cable hole 4 extends to the coupling unit 5, the top ends of the coupling unit 5 and the insulating protective shell 3 are fixedly connected with an insulating fixed seat 2, the outer wall of the coupling unit 5 is uniformly and fixedly connected with a ground screen unit 6, the ground screen unit 6 penetrates through the insulating protective shell 3, the ground screen unit 6 extends to the outer side of the insulating protective shell 3, the ground screen unit 6 comprises a first copper core 601, one end of the first copper core 601 far away from the coupling unit 5 is provided with a second copper core 604, one side surface of the first copper core 601 close to the second copper core 604 is provided with a threaded hole 602, one side of the second copper core 604 close to the first copper core 601 is fixedly connected with a threaded rod 603, the threaded rod 603 is in threaded connection with the threaded hole 602, the power grid unit 6 is extended through the connection of the threaded rod 603 and the threaded hole 602, the outer walls of the radiation unit 1 and the ground screen unit 6 are.

In the description of the present invention, it is to be understood that the terms "one end", "inside", "other end", "upper", "one side", "top", "outer wall", "inner", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defined as "first", "second" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise explicitly specified or limited, the terms "provided", "opened", "connected", "fixedly connected", "plated", "plugged", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. An unmanned aerial vehicle antenna, includes radiating element (1), its characterized in that: the inboard of radiation unit (1) is pegged graft and is had coupling unit (5), the top outer wall parcel of coupling unit (5) has insulating protective housing (3), the outer wall of insulating protective housing (3) is opened and is led to there is signal transmission cable hole (4), and signal transmission cable hole (4) extend to coupling unit (5) department, the top rigid coupling of coupling unit (5) and insulating protective housing (3) has insulating fixing base (2), the even subsection rigid coupling of outer wall of coupling unit (5) has ground net unit (6), ground net unit (6) run through insulating protective housing (3), and ground net unit (6) extend to the insulating protective housing (3) outside, the outer wall of radiation unit (1) and ground net unit (6) has all plated silver-plated layer (7).

2. A drone antenna according to claim 1, characterised in that: the one end that coupling unit (5) were kept away from including first copper core (601) in counterpoise unit (6) is equipped with second copper core (604), threaded hole (602) have been seted up to one side surface that first copper core (601) are close to second copper core (604), one side rigid coupling threaded rod (603) that second copper core (604) are close to first copper core (601), threaded rod (603) and threaded hole (602) threaded connection.

3. A drone antenna according to claim 1, characterised in that: the bottom end of the outer wall of the radiation unit (1) is sleeved with a decorative cap (8).

4. A drone antenna according to claim 1, characterised in that: the signal transmission cable hole (4) is communicated with the coupling unit (5) by inserting a signal transmission cable.