CN102983389B

CN102983389B - A kind of antenna element

Info

Publication number: CN102983389B
Application number: CN201110296632.3A
Authority: CN
Inventors: 吴进波; 黄冠宇; 梅连军
Original assignee: SHENZHEN HUAYI COMMUNICATION TECHNOLOGY CO LTD
Current assignee: SHENZHEN HUAYI COMMUNICATION TECHNOLOGY CO LTD
Priority date: 2011-09-07
Filing date: 2011-09-27
Publication date: 2015-09-30
Anticipated expiration: 2031-09-27
Also published as: CN102983389A

Abstract

The invention provides a kind of antenna element, comprise reflecting plate, be installed in the radiant body on described reflecting plate and the feeder cable for described radiant body feed, at least one group of half-wave dipole be oppositely arranged that described radiant body comprises meandering metal conductor in closed, extend internally from described meandering metal conductor and the folded dipole of mating with described half-wave dipole, described folded dipole to be positioned on described meandering metal conductor and coupled.Like this, the described radiant body of antenna element is arranged on described meandering metal conductor by described folded dipole and matches with described half-wave dipole, the resonance frequency of described antenna element can be made at 1700MHz-2200MHz, and the gain of described antenna element can up to more than 12dBi simultaneously.

Description

A kind of antenna element

Technical field

The present invention relates to the communications field, particularly relate to the antenna element of a kind of wide-band high gain in field of microwave communication.

Background technology

The symmetrical half-wave dipole of straight line is called for short symmetrical dipole, it is most widely used a kind of antenna, as the needs increasing the beamwidth of antenna, symmetrical dipole obtains general application in communication engineering, but its module gain is but limited within 10dBi always, antenna can be caused like this can only to cover a bit of frequency, and result of use is bad.

Summary of the invention

The object of the invention is to the defect overcoming prior art, provide the antenna element that a kind of frequency coverage face is large, can improve gain.

The present invention realizes like this, a kind of antenna element, comprise reflecting plate, be installed in the radiant body on described reflecting plate and the feeder cable for described radiant body feed, at least one group of half-wave dipole be oppositely arranged that described radiant body comprises meandering metal conductor in closed, extend internally from described meandering metal conductor and the folded dipole of mating with described half-wave dipole, described folded dipole to be positioned on described meandering metal conductor and coupled.

Further, described folded dipole comprises the first folded dipole and the second folded dipole, and described first folded dipole and described second folded dipole divide the both sides being located at described meandering metal conductor.

Further, described first folded dipole is shorter than described second folded dipole.

Further, described meandering metal conductor is made up of at least two sections of combinations, and each section is shaft-like or sheet, and each section described couples together and forms circle or ellipse or regular polygon and be in same plane.

Further, half-wave dipole described in each has two oscillator arms, and between described oscillator arms, angle is 90 °, and described half-wave dipole and described meandering metal conductor are arranged on same plane.

Particularly, described half-wave dipole, described meandering metal conductor and described folded dipole are one-body molded.

Particularly, described half-wave dipole, described meandering metal conductor and described folded dipole are printed on circuit boards.

Further, half-wave dipole described in each has two oscillator arms, and described oscillator arms place plane and described meandering metal conductor place plane form frustum cone structure.

Further, the described half-wave dipole be oppositely arranged is connected by a metalwork, and described feeder cable connects described metalwork with to described radiant body feed.

Further, described antenna element also comprises supporter, described radiant body by described support body supports on described reflector.

The described radiant body of inventive antenna unit is arranged on described meandering metal conductor by described folded dipole and matches with described half-wave dipole, the resonance frequency of described antenna element can be made at 1700MHz-2200MHz, and the gain of described antenna element can up to more than 12dBi simultaneously.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of the embodiment of the present invention one antenna element;

Fig. 2 is the vertical view of the embodiment of the present invention one antenna element;

Fig. 3 is the schematic perspective view of the embodiment of the present invention two antenna element;

Fig. 4 is the vertical view of the embodiment of the present invention two antenna element.

Embodiment

In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.

See Fig. 1-Fig. 4, embodiments provide a kind of antenna element 1, comprise reflecting plate 11, the device radiant body 12 on described reflecting plate 11 and the feeder cable 13 for described radiant body 12 feed, the folded dipole 123 that described radiant body 12 comprises meandering metal conductor 121 in closed, extend at least one group of relative half-wave dipole 122 from described meandering metal conductor 121 and mate with described half-wave dipole 122, described folded dipole 123 to be positioned on described meandering metal conductor 121 and coupled.Like this, the described radiant body 12 of antenna element 1 is arranged on described meandering metal conductor 121 by described folded dipole 123 and matches with described half-wave dipole 122, the resonance frequency of described antenna element 1 can be made at 1700MHz-2200MHz, and the gain of described antenna element 1 can up to more than 12dBi simultaneously.

Embodiment one:

Refer to Fig. 1, Fig. 2, as a kind of embodiment of a kind of antenna element 1 provided by the invention, described folded dipole 123 comprises the first folded dipole 1231 and the second folded dipole 1232, and described first folded dipole 1231 and described second folded dipole 1232 points are located at the both sides of described meandering metal conductor 121.Particularly, described first folded dipole 1231 is shorter than described second folded dipole 1232, with the frequency that resonance is respectively different, described first folded dipole 1231 and described second folded dipole 1232 are arc-shaped, to mate corresponding circular meandering metal conductor 121 on surface structure.The length of described first folded dipole 1231 is between 20mm-30mm, and the best is 25mm, and the length of described second folded dipole 1232 is between 55mm-65mm, and the best is 60mm.

Further, see Fig. 1, as a kind of embodiment of a kind of antenna element 1 provided by the invention, described meandering metal conductor 121 is formed by multiple sections 1211, each section 1211 described couples together and forms circular and be in same plane, each section 1211 can be shaft-like or sheet, and its diameter is between 100mm-120mm, and the best is 110mm; It should be noted that, each section 1211 described couples together and also can form ellipse or regular polygon.

Fig. 2 is coordinated see Fig. 1, as a kind of embodiment of a kind of antenna element 1 provided by the invention, one group of relative V-shaped half-wave dipole 122 is extended from described meandering metal conductor 121, half-wave dipole 122 described in each has two oscillator arms 1221, between described oscillator arms 1221, angle is preferably 90 °, because this size is the most corresponding with the frequency wavelength size of reception or transmitting with angle, effect is best, and described half-wave dipole 122 can be arranged on same plane with described meandering metal conductor 121.Particularly, described half-wave dipole 122, described meandering metal conductor 121 and described folded dipole 123 are one-body molded.One-body molded possess simple, the quick and easy advantage of making.It should be noted that, described half-wave dipole 122, described meandering metal conductor 121 and described folded dipole 123 also can be directly print on circuit boards.The consistency of manufacturing process can be increased.

Further, as a kind of embodiment of a kind of antenna element 1 provided by the invention, relative described half-wave dipole 122 is connected by a metalwork 14, and described feeder cable 13 connects described metalwork 14 with to described radiant body 12 feed.

Please refer to Fig. 1, Fig. 2, as a kind of embodiment of a kind of antenna element 1 provided by the invention, described antenna element 1 also comprises supporter 15, and described radiant body 12 is supported on described reflector 11 by described supporter 15.The height of described supporter 15, between 30mm-40mm, is preferably 35mm here.Between the width 140mm-160mm of described reflector 11, length is between 140mm-160mm, and length, the width of described reflector 11 are all preferably 150mm.

Embodiment two, itself and embodiment one are distinguished and are:

See Fig. 3, Fig. 4, described meandering metal conductor 121 is formed by multiple sections 1211, and each section 1211 described couples together and forms square and be in same plane, and its length is between 100mm-120mm, and the best is 110mm; The distance of the plane at this plane and feeder cable 13 place is 20mm.In addition, described first folded dipole 1231 and described second folded dipole 1232 linearly, roughly form " work " type.The appearance design of " work " type coordinates meandering metal conductor 121 phase contrast more in appearance of square.

See Fig. 3-Fig. 4, as a kind of embodiment of a kind of antenna element 1 provided by the invention, half-wave dipole 122 described in each has two oscillator arms 1221, and described oscillator arms 1221 place plane and described meandering metal conductor 121 place plane form frustum cone structure.

The foregoing is only preferred embodiment of the present invention, its structure is not limited to the above-mentioned shape enumerated, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims

1. an antenna element, comprise reflecting plate, be installed in the radiant body on described reflecting plate and the feeder cable for described radiant body feed, it is characterized in that, described radiant body comprises the meandering metal conductor in closed, at least one group of V-shaped half-wave dipole be oppositely arranged extended internally from described meandering metal conductor and the folded dipole of mating with described half-wave dipole, described folded dipole comprises the first folded dipole and the second folded dipole, described first folded dipole and described second folded dipole divide the both sides that are located at described meandering metal conductor and coupled, and described first folded dipole is shorter than described second folded dipole.

2. antenna element as claimed in claim 1, is characterized in that: described meandering metal conductor is made up of at least two sections of combinations, and each section is shaft-like or sheet, and each section described couples together and forms circle or ellipse or regular polygon and be in same plane.

3. antenna element as claimed in claim 1 or 2, it is characterized in that: half-wave dipole described in each has two oscillator arms, between described oscillator arms, angle is 90 °, and described half-wave dipole and described meandering metal conductor are arranged on same plane.

4. antenna element as claimed in claim 3, is characterized in that: described half-wave dipole, described meandering metal conductor and described folded dipole are one-body molded.

5. antenna element as claimed in claim 4, is characterized in that: described half-wave dipole, described meandering metal conductor and described folded dipole are printed on circuit boards.

6. antenna element as claimed in claim 1, it is characterized in that: half-wave dipole described in each has two oscillator arms, described oscillator arms place plane and described meandering metal conductor place plane form frustum cone structure.

7. antenna element as claimed in claim 1, is characterized in that: the described half-wave dipole be oppositely arranged is connected by a metalwork, and described feeder cable connects described metalwork with to described radiant body feed.

8. antenna element as claimed in claim 1, is characterized in that: also comprise supporter, described radiant body by described support body supports on described reflector.