CN207868402U - Aerial mounting structure part and its director - Google Patents

Abstract

The utility model discloses a kind of directors, including medium substrate；The medium substrate is provided with metal figure layer on one side, the metal figure layer is by orthogonal the first carinate line pair and the second carinate line to forming, wherein, the first carinate line is to+45 ° of diagonal rows along the medium substrate, and the second carinate line is to 45 ° of diagonal rows along the medium substrate.A kind of aerial mounting structure part is also disclosed in the utility model.By the above embodiment, the polarization characteristic of antenna can be utilized, the electromagnetic wave for being ± 45 ° to polarization direction has very strong convergence effect, has expanded its working band, has enhanced the consistency with interior wave beam.

Description

Aerial mounting structure part and its director

Technical field

The utility model is related to antenna for base station technical field more particularly to a kind of aerial mounting structure parts and its director.

Background technology

Director plays the wide consistency of the horizontal wave of improvement and promotes the work of gain as a kind of antenna for base station common components With.In order to save cost, and convenient for batch production, director mostly uses greatly the making of single side PCB technology.Specifically, by one layer Medium substrate and one layer of metal figure layer composition realize different journeys to the electromagnetic wave through above-mentioned planar structure according to the difference of frequency The wave beam of degree converges, and the electromagnetic wave in working frequency range is finally made to have almost the same horizontal half-power angle.

In the prior art, good frequency selective characteristic and the convergence of accurate wave beam are usually required by means of more complicated Three-dimensional reflection face, such as loudspeaker, pyramid could be realized, be limited by planar structure and cost, Most current director effect Fruit is extremely limited, and the problem of generally existing narrowband and wave beam poor astringency, thus is difficult to meet 4G and 5G communications to base station day The increasing bandwidth and increasingly stringent wave beam coherence request that line proposes.

Utility model content

The utility model provides a kind of antenna structure and its director to solve above-mentioned technical problem, can utilize antenna Polarization characteristic, the electromagnetic wave for being ± 45 ° to polarization direction have very strong convergence effect, have expanded its working band, enhanced Consistency with interior wave beam.

In order to solve the above technical problems, the utility model provides a kind of director, including：Medium substrate；The medium base Plate is provided with metal figure layer on one side, and the metal figure layer is by orthogonal the first carinate line pair and the second carinate line to forming, wherein The first carinate line is to+45 ° of diagonal rows along the medium substrate, and the second carinate line is to along the medium substrate - 45 ° of diagonal rows.

Further, the medium substrate is the medium substrate of square.

Further, the metal figure layer is centrosymmetric structure.

Further, the described first carinate line is to including two carinate lines, and the second carinate line is to including two carinate Each carinate line of line, the first carinate line pair is identical as the carinate wire shaped size of the correspondence of the described second carinate line pair.

Further, the carinate line is the carinate line along the catercorner length direction equivalent width of its arrangement.

Further, the carinate line is the catercorner length direction width gradual change along its arrangement and has linear ridge Shape line.

Further, the carinate line is be parallel to the diagonal line along the diagonal line of its arrangement to divide and formed A plurality of interval thin carinate line combination.

Further, the carinate line is along the diagonal line of its arrangement formed perpendicular to diagonal line segmentation A plurality of interval thin carinate line combination.

The invention also discloses a kind of aerial mounting structure parts, including：± 45 ° of dual polarization vibrators, holder and such as Director described in any of the above-described embodiment；The holder is assemblied at the top of ± 45 ° of dual polarization vibrators, the director It is assemblied in the cradle top.

Further, a polarization direction of the first carinate line pair and ± 45 ° of dual polarization vibrators is being just in the director Friendship, the second carinate line pair are orthogonal with ± 45 ° of another polarization directions of dual polarization vibrator.

The aerial mounting structure part and its director of the utility model, have the advantages that：

By being built on medium substrate by orthogonal the first carinate line pair and the second carinate line to the metal figure layer that forms, And the first carinate line is to+45 ° of diagonal rows along medium substrate, the second carinate line is to diagonal along -45 ° of medium substrate Line arranges, and then can utilize the polarization characteristic of antenna, and the electromagnetic wave for being ± 45 ° to polarization direction is imitated with very strong convergence Fruit has expanded the effect bandwidth of director, has enhanced the consistency with interior wave beam.

Description of the drawings

Fig. 1 is the part assembling schematic diagram of the utility model director.

Fig. 2 is the assembly structure diagram of the utility model director.

Fig. 3 is the structural schematic diagram of a state of the utility model director first embodiment.

Fig. 4 is the structural schematic diagram of another state of the utility model director second embodiment.

Fig. 5 is the structural schematic diagram of the state of the utility model director 3rd embodiment.

Fig. 6 is the structural schematic diagram of the state of the utility model director fourth embodiment.

Specific implementation mode

The utility model is described in detail with embodiment below in conjunction with the accompanying drawings.

It is carried out in conjunction with Fig. 1 and Fig. 2 refering to the utility model provides a kind of aerial mounting structure part.The aerial mounting structure The director 3 that part includes oscillator 1, is assemblied in the holder 2 at 1 top of oscillator and is assemblied in 2 top of holder.Oscillator 1 be ± 45 ° of dual polarization vibrators 1.Holder 2 is preferably plastic stent 2.Spacing distance between director 3 and oscillator 1 be preferably 15mm~ Between 30mm.

In one embodiment, director 3 includes medium substrate 31, and the shape of the medium substrate 31 can be with a variety of more Sample, but more preferably square.The medium substrate 31 is provided with the metal figure layer 32 for converging wave beam on one side.Specifically, The metal figure layer 32 is made of the first orthogonal carinate line pair 33 and the second carinate line pair 34, wherein 33 edge of the first carinate line pair + 45 ° of diagonal rows of medium substrate 31, the second carinate line pair 34 along medium substrate 31-45 ° of diagonal rows.It lifts For example, the first carinate line pair 33 and the second carinate line pair 34 that form the metal figure layer 32 usually can be by covering copper come shape At.

First carinate line pair 33 includes two carinate lines 331,332 for being arranged in+45 ° of diagonal line both ends respectively, it is meant that It is interval between two carinate lines 331,332；Second carinate line pair 34 is arranged in -45 ° of diagonal lines two respectively including two The carinate line 341,342 at end again means that between two carinate lines 341,342 it is interval.It is above-mentioned orthogonal herein In the first carinate line pair 33 of middle finger the center line extended line of two carinate lines 331,332 and two in the second carinate line pair 34 it is carinate The center line extended line of line 341,342 is mutually orthogonal.

Preferably, the symmetric figure centered on the center of medium substrate 31 of metal figure layer 32, it is possible to understand that, first is carinate Two carinate lines 331,332 in line pair 33 are same shape sizes and with the central symmetry of medium substrate 31, second Two carinate lines 341,342 in carinate line pair 34 are same shape sizes and with the central symmetry of medium substrate 31.

More preferably, each carinate line in each carinate line 331,332 and the second carinate line pair 34 in the first carinate line pair 33 341,342 geomery is identical.On this basis, it is said by taking the carinate line 331 in the first carinate line pair 31 as an example Bright, the optimization structure example of carinate line 331 has following four kinds, but is not limited to four kinds of following structures, specifically such as Fig. 2 to Fig. 6 institutes Show.

<Embodiment 1>

The carinate line 331 is along the carinate line of the catercorner length direction equivalent width of its arrangement, as shown in Figure 2.

<Embodiment 2>

The carinate line 331 is the catercorner length direction along its arrangement (from distal end to proximal end, it can be understood as from diagonal The distal end of line is towards cornerwise center) the carinate line of width gradual change, its usual gradual change has linearly.Specifically, again It is the catercorner length direction width gradually wide carinate line along its arrangement to be divided into the carinate line 331 as shown in Figure 3, and such as The carinate line 331 shown in Fig. 4 is along the tapered carinate line of the catercorner length direction width of its arrangement.

<Embodiment 3>

It, can be by the carinate line 331 along the diagonal line of its arrangement on the basis of Fig. 2 is to carinate line 331 shown in Fig. 3 Be parallel to cornerwise segmentation can be with the thin carinate line 3311 namely the carinate line 331 that form two or more intervals It is made of two or more spaced thin carinate lines 3311, which can be using the diagonal line of its arrangement as symmetry axis It constitutes symmetrical.For example, the shape of the carinate line formed using the setting form on the basis of carinate line 331 shown in Fig. 2 State can become as shown in Figure 5.

<Embodiment 4>

It, can be by the carinate line 331 along the diagonal line of its arrangement on the basis of Fig. 2 is to carinate line 331 shown in Fig. 3 It carries out vertical segmentation and forms the carinate line of segmentation that two or more are spaced 3312.For example, the basis of carinate line 331 shown in Fig. 2 On using the setting form formed carinate line state can become as shown in fig. 6, in Fig. 6 of signal, be respectively segmented carinate The equivalent width of line 3312, and in the catercorner length direction along its arrangement, can will the wherein one carinate line of segmentation 3312 length is set as longer, preferably, the longer carinate line 3312 that is segmented is closer to cornerwise end of its arrangement.

In above-described embodiment, when ± 45 ° of dual polarization vibrators 1, holder 2 and director 3 are assemblied in integrated, preferably will First carinate line pair 33 setting orthogonal with a polarization direction of ± 45 ° of dual polarization vibrators 1 in director 3, and by the second carinate line To 34 settings orthogonal with another polarization direction of ± 45 ° of dual polarization vibrators 1.For example, the first carinate line pair 33 and ± 45 ° is double Polarize oscillator 1+45 ° of polarization directions it is orthogonal, and by -45 ° of polarization sides of the second carinate line pair 34 and ± 45 ° of dual polarization vibrators 1 To orthogonal.

In above-described embodiment, the medium substrate 31 of director 3 often selects the medium substrate 31 of FR4 materials, dielectric constant Often it is selected as 4.4.

Director 3 in above-described embodiment is also fitted suitable for frequency range between the oscillator 1 of 1710MHz~2690MHz certainly Oscillator 1 for other frequency ranges.

The utility model is illustrated so that the frequency range of oscillator 1 is between 1710MHz~2690MHz as an example.Director 3 Middle medium substrate 31 can select FR4 materials, relative dielectric constant 4.4, thick 1.5mm, and medium substrate 31 is square, and the length of side exists Between 50mm~75mm.Overall length 25~35mm of first carinate line pair 33 and the second carinate line pair 34, wide about in metal figure layer 32 10mm。

In other embodiments, the efficiency of 1 frequency of oscillator and director 3 that can be as needed, using simulation software pair The thickness of medium substrate 31 in director 3, same carinate line to carinate line proximal end spacing in (33,34) and carinate line length into The suitable design of row.Under the guide of the utility model, slight changes are only needed, you can generate the implementation of more above-mentioned directors 3 Example, and 3 working frequency of director can be extended down to other frequency ranges, therefore, corresponding design and product should all be included in this patent protection Within the scope of.

The utility model also provides a kind of director as described in any of the above-described embodiment.For purposes of brevity, this Place no longer repeats director one by one.

The aerial mounting structure part and its director of the utility model, have the advantages that：

By being built by the first orthogonal carinate line pair 33 and the second carinate line pair 34 on medium substrate 31 in director 3 The metal figure layer 32 of composition, and the first carinate line pair 33 is along+45 ° of diagonal rows of medium substrate 31, the second carinate line To 34 along medium substrate 31-45 ° of diagonal rows, and then can utilize antenna polarization characteristic, to polarization direction be ± 45 ° of electromagnetic wave has very strong convergence effect, has expanded the effect bandwidth of director 3, has enhanced the consistency with interior wave beam To significantly improve the consistency of antenna pattern；

Also, the director 3 improves antenna gain, and improves standing wave to a certain extent；

In addition, the manufacturing process of the director 3 is simple, and it is of low cost, convenient for being disposed in batches in base-station antenna array.

It these are only the embodiment of the utility model, it does not limit the scope of the patent of the present invention, every profit The equivalent structure or equivalent flow shift made by the utility model specification and accompanying drawing content, is applied directly or indirectly in it His relevant technical field, is equally included in the patent within the scope of the utility model.

Claims (10)

1. a kind of director, which is characterized in that including：

Medium substrate；

The medium substrate is provided with metal figure layer on one side, and the metal figure layer is carinate by the first orthogonal carinate line pair and second Line is to composition, wherein the first carinate line is to+45 ° of diagonal rows along the medium substrate, the second carinate line pair Along -45 ° of diagonal rows of the medium substrate.

2. director according to claim 1, it is characterised in that：

The medium substrate is the medium substrate of square.

3. director according to claim 1, it is characterised in that：

The metal figure layer is centrosymmetric structure.

4. director according to claim 3, it is characterised in that：

The first carinate line is to including two carinate lines, and the second carinate line is to including two carinate lines, first ridge Each carinate line of shape line pair is identical as the carinate wire shaped size of the correspondence of the described second carinate line pair.

5. director according to claim 4, it is characterised in that：

The carinate line is the carinate line along the catercorner length direction equivalent width of its arrangement.

6. director according to claim 4, it is characterised in that：

The carinate line is the catercorner length direction width gradual change along its arrangement and has linear carinate line.

7. director according to claim 4, it is characterised in that：

The carinate line is a plurality of interval for carrying out being parallel to the diagonal line segmentation and formation along the diagonal line of its arrangement The combination of thin carinate line.

8. director according to claim 4, it is characterised in that：

The carinate line is along the diagonal line of its arrangement perpendicular to the diagonal line divide and a plurality of segmentation ridge of formation The combination of shape line.

9. a kind of aerial mounting structure part, which is characterized in that including：

± 45 ° of dual polarization vibrators, holder and such as claim 1~8 any one of them director；

The holder is assemblied at the top of ± 45 ° of dual polarization vibrators, and the director is assemblied in the cradle top.

10. aerial mounting structure part according to claim 9, it is characterised in that：

The first carinate line pair is orthogonal with ± 45 ° of polarization directions of dual polarization vibrator in the director, the second carinate line It is pair orthogonal with ± 45 ° of another polarization directions of dual polarization vibrator.