CN211789541U

CN211789541U - Three-dimensional high-gain antenna device

Info

Publication number: CN211789541U
Application number: CN202020444852.0U
Authority: CN
Inventors: 张少林; 崔立成
Original assignee: Shenzhen Wave Technology Co Ltd
Current assignee: Shenzhen Wave Technology Co Ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-27
Anticipated expiration: 2030-03-31

Abstract

The application relates to a three-dimensional high-gain antenna device, including: the dual-polarized log-periodic antenna comprises a substrate and two or more dual-polarized log-periodic antennas, wherein each dual-polarized log-periodic antenna is arranged on the substrate. The dual-polarization structure of the two single-polarization antenna units is realized by adopting a cross structure, the high-gain dual-polarization log periodic antenna is realized, the signal polarization loss can be reduced, the horizontal and vertical dual-direction gains of the antenna are good, meanwhile, the lens is arranged on the antenna body of the dual-polarization log periodic antenna, the lens can compensate and correct the non-uniform spherical wave radiated by the antenna to obtain uniform spherical wave, the phase compensation of the antenna waveform is realized, the overall gain of the antenna is finally improved, the dual-polarization log periodic antenna forms an antenna array, the high-gain antenna device is designed into a three-dimensional array structure, the high-gain antenna device can form vertical plane wave beams, and the overall gain of the antenna is further improved.

Description

Three-dimensional high-gain antenna device

Technical Field

The present application relates to the field of antenna devices, and more particularly, to a three-dimensional high-gain antenna device.

Background

The log periodic antenna is a common antenna, has the characteristic of broadband and line planning due to the periodic working structure, and is widely applied to the fields of short-wave communication and microwave communication.

In order to improve the gain in the vertical direction, the conventional antenna is provided with a large-scale antenna array, for example, a plurality of single-polarization log-periodic antennas are arrayed, and the space degree of freedom and effective multipath components formed by a plurality of antennas are utilized to improve the spectrum utilization efficiency and further improve the antenna gain.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is necessary to provide a three-dimensional high-gain antenna device to solve the problem of poor gain effect of the conventional antenna.

A stereoscopic high gain antenna apparatus, comprising: the dual-polarized log-periodic antenna comprises a substrate and two or more than two dual-polarized log-periodic antennas, wherein each dual-polarized log-periodic antenna is arranged on the substrate;

a dual-polarized log-periodic antenna comprising:

the antenna main body comprises four same aggregation lines, namely a first aggregation line, a second aggregation line, a third aggregation line and a fourth aggregation line, which are sequentially arranged around a space axis, wherein the first aggregation line and the third aggregation line are oppositely arranged, the second aggregation line and the fourth aggregation line are oppositely arranged, a connecting line between a middle point of the first aggregation line and a middle point of the third aggregation line is perpendicular to a connecting line between the middle point of the second aggregation line and the middle point of the fourth aggregation line, a foot is hung on the space axis, and the first aggregation line, the second aggregation line, the third aggregation line and the fourth aggregation line respectively comprise a first end and a second end; the antenna elements are alternately arranged on two sides of the first aggregation line relative to the direction of the space axis at equal intervals in sequence from the first end to the second end of the first aggregation line, and the shorter the length of the antenna elements close to the second end of the first aggregation line, the more parallel the antenna elements on the first aggregation line are and the same plane is; a plurality of antenna oscillators are also arranged on the second aggregation line, the third aggregation line and the fourth aggregation line respectively in the same way as the antenna oscillators of the first aggregation line;

the lens is arranged at the first end of the antenna main body, and the plane where the lens is located is vertical to the space axis;

the first coaxial line and the second coaxial line are respectively arranged on the first gathering line and the second gathering line and comprise an inner conductor, an insulating medium layer and an outer conductor layer which are coaxially arranged, the insulating medium layer is arranged between the inner conductor and the outer conductor layer, and the outer conductor layers of the first coaxial line and the second coaxial line are respectively attached to one sides, far away from the space axis, of the first gathering line and the second gathering line;

the second ends of the first aggregation line and the second aggregation line are also respectively provided with a first through hole and a second through hole, the shapes and sizes of the first through hole and the second through hole are respectively matched with the first coaxial line and the second coaxial line, the output ends of the first coaxial line and the second coaxial line are respectively connected to the first through hole and the second through hole, and the inner conductors of the first coaxial line and the second coaxial line respectively penetrate through the first through hole and the second through hole and are connected to the third aggregation line and the fourth aggregation line.

The three-dimensional high-gain antenna device realizes the dual-polarization structure of two single-polarized antenna units by adopting the cross structure, realizes the high-gain dual-polarized log-periodic antenna, can reduce the signal polarization loss, ensures that the gains in the horizontal and vertical directions of the antenna are good, simultaneously ensures that the lens can compensate and correct the non-uniform spherical wave radiated by the antenna by arranging the lens on the antenna main body of the dual-polarized log-periodic antenna to obtain uniform spherical wave, thereby realizing the phase compensation of the antenna waveform, finally improving the integral gain of the antenna, simultaneously realizing the block disassembly and assembly of the aggregation line of each antenna and the antenna element arranged on the aggregation line, having simple structure and convenient manufacture and installation, finally forming the dual-polarized log-periodic antenna into an antenna array, designing the high-gain antenna device into a three-dimensional array structure, and ensuring that the high-gain antenna device can form vertical plane wave beams, thereby improving the overall gain of the antenna.

In one embodiment, dual-polarized log-periodic antennas of different frequency bands are arranged on the substrate in a crossed manner.

In one embodiment, the lens is a spherical lens, and the lens is fixedly arranged at the first end of the antenna body through a connecting piece.

In one embodiment, the dual-polarized log-periodic antenna further includes a dielectric strip disposed in an area surrounded by the first set of lines, the second set of lines, the third set of lines, and the fourth set of lines.

In one embodiment, the dual-polarized log-periodic antenna further includes two or more baluns, and each balun is connected to a different one of the first, second, third, and fourth aggregation lines, respectively.

In one embodiment, each aggregate line is shaped as a rectangular parallelepiped.

In one embodiment, the dual-polarized log-periodic antenna further comprises:

the third coaxial line is arranged on the third collecting line and is symmetrical to the first coaxial line about the spatial axis;

and the fourth coaxial line is arranged on the fourth collecting line and is symmetrical to the second coaxial line about the spatial axis.

In one embodiment, the input impedance of the first antenna single-polarization structure and the input impedance of the second antenna single-polarization structure, which are formed by the first aggregation line, the third aggregation line, the first coaxial line, the third coaxial line and the antenna oscillator, which are arranged on the first aggregation line and the third aggregation line, and the input impedance of the second antenna single-polarization structure and the second coaxial line, the fourth coaxial line and the antenna oscillator, which are arranged on the second aggregation line and the fourth aggregation line, are all 50 ohms.

In one embodiment, the wires of the first coaxial line, the second coaxial line, the third coaxial line and the fourth coaxial line are 50 ohm coaxial lines.

In one embodiment, the dual-polarized log-periodic antenna further comprises a radome, wherein the radome is a cavity structure with one open end and the other closed end, and the open end is fixed on the substrate.

Drawings

FIG. 1 is a block diagram of a three-dimensional high gain antenna device according to an embodiment;

FIG. 2 is a schematic diagram of a dual-polarized log-periodic antenna configuration according to an embodiment;

FIG. 3 is a schematic diagram of the distribution of dual-polarized log-periodic antennas in another embodiment;

FIG. 4 is a schematic diagram of a specific structure of a dual-polarized log-periodic antenna according to an embodiment;

FIG. 5 is a partial schematic diagram of a coaxial wire structure in a dual-polarized log-periodic antenna according to an embodiment;

FIG. 6 is a cross-sectional view of a portion of a dual polarized log periodic antenna in one embodiment;

FIG. 7 is a top view of a dual polarized log periodic antenna according to one embodiment;

FIG. 8 is a schematic diagram of an antenna monopole structure in one embodiment;

fig. 9 is a schematic diagram of a dual-polarized log periodic antenna structure in another embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In one embodiment, a three-dimensional high-gain antenna device is provided, as shown in fig. 1, including a substrate 11 and two or more dual-polarized log-periodic antennas 12, where each dual-polarized log-periodic antenna 12 is disposed on the substrate 11. Specifically, the dual-polarized log-periodic antenna 12 is vertically disposed on the substrate 11, the material of the substrate 11 is not exclusive and may be a metal plate or a plastic plate, in this embodiment, the substrate 11 is a metal substrate, and fixing members (for example, fixing bolts) are respectively disposed at four corners of the substrate 11, and the substrate 11 is fixed on the ground through the fixing members, so as to improve the fixing reliability of the substrate 11. The dual-polarized log periodic antenna 12 on the substrate 11 may be an antenna with different frequency bands, for example, the dual-polarized log periodic antennas 12 with different frequency bands are arranged on the substrate 11 in a crossed manner. As shown in fig. 2, the dual-polarized log-periodic antenna 12 includes a frequency band 1 antenna and a frequency band 2 antenna, and the dual-polarized log-periodic antennas 12 of two different frequency bands are arranged in a crossed manner. The specific structural dimensions of the dual-polarized log periodic antennas 12 of different frequency bands are different, and as shown in fig. 3, the dual-polarized log periodic antennas 12 of different frequency bands are in a staggered high-gain array mode, where the antenna of frequency band 1 is a low-frequency antenna and has a high height, and the antenna of frequency band 2 is a high-frequency antenna and has a low height. The dual-polarized log-periodic antennas 12 of different frequency bands are placed in a crossed mode, namely, the distance between the two dual-polarized log-periodic antennas 12 is enlarged, the effective aperture area is indirectly enlarged, and antenna gain is improved.

Further, referring to fig. 4, a specific structure of the dual-polarized log-periodic antenna 12 is shown in fig. 4, which includes an antenna body 110, an antenna element 120, a first coaxial line 130, a second coaxial line 140 and a lens 190.

The antenna main body 110 includes four identical aggregation lines, which are a first aggregation line 111, a second aggregation line 112, a third aggregation line 113, and a fourth aggregation line 114, respectively, and the four aggregation lines are sequentially disposed around a spatial axis, wherein the first aggregation line 111 is disposed opposite to the third aggregation line 113, and the second aggregation line 112 is also disposed opposite to the fourth aggregation line 114. Meanwhile, a connecting line between the middle point of the first aggregation line 111 and the middle point of the third aggregation line 113 is perpendicular to a connecting line between the middle point of the second aggregation line 112 and the middle point of the fourth aggregation line 114, and the connecting lines are hung on the spatial axis, namely the four aggregation lines are not staggered, but are arranged in a length alignment manner, so that the antenna keeps relatively symmetrical and stable structure as much as possible.

First set line 111, second set line 112, third set line 113, it is provided with a plurality of antenna element 120 respectively to divide equally on the fourth set line 114, antenna element 120 can be metal strip or metal bar, and the metalwork of other shapes, for convenient the description, do not call the both ends of each set line top and bottom respectively, a plurality of antenna element 120 on arbitrary set line all is from this set line bottom to the both sides of top equidistant ground setting in proper order for the space axis in the set line in proper order of direction on top, a left side right side is in turn along the equidistant ground setting in the direction from bottom to top promptly, and the antenna element that is close to the top is shorter more, a plurality of antenna element 120 on the same set line is parallel to each other and is in the coplanar simultaneously.

The lens 190 is disposed at a first end of the antenna body 110, and the plane of the lens 190 is perpendicular to the spatial axis. Specifically, the first end of the antenna body 110 is an end near the second ends of the first, second, third and

fourth aggregation lines

111, 112, 113 and 114. When the second ends of the first, second, third and

fourth aggregation lines

111, 112, 113 and 114 are on the same plane, any one of the second ends of the first, second, third and

fourth aggregation lines

111, 112, 113 and 114 may be a first end of the antenna body 110, when the second ends of the first, second, third and

fourth aggregation lines

111, 112, 113 and 114 are not on the same plane, the highest one of the second ends of the first, second, third and

fourth aggregation lines

111, 112, 113 and 114 may be a first end of the antenna body 110, the lens 190 may be directly disposed on the first end of the antenna body 110 or disposed on the first end of the antenna body 110 through a connector, and a distance between the lens 190 and the first end of the antenna body 110 may be adjusted according to actual needs. The lens 190 may be fixed to the first end of the antenna body 110 at the time of shipment or installation, for example, so that the lens 190 and the antenna body 110 are structurally integrated, thereby avoiding interference factors caused by installation and improving the working performance.

The antenna itself radiates outward in the form of spherical waves, so its equiphase surface is a spherical surface, and for the end-fire array, its radiation most directionally will also be diffused in the form of spherical waves. By arranging the lens 190 on the antenna main body 110, the lens 190 can compensate and correct the non-uniform spherical wave of the antenna to obtain the uniform spherical wave, so that the phase compensation of the antenna waveform is realized, and the overall gain of the antenna is finally improved. It should be noted that a specific principle of improving the antenna gain is to utilize an equiphase gradient to implement phase compensation, and finally achieve the purpose of improving the antenna gain. Further, in one embodiment, lens 190 may be a dielectric material, such as a low-k organic material, including glass reinforced plastic, PTFE (polytetrafluoroethylene), and the like.

The first coaxial line 130 and the second coaxial line 140 are respectively disposed on the first collective line 111 and the second collective line 112, as shown in fig. 5, the first coaxial line 130 and the second coaxial line 140 each include an inner conductor 131, an insulating dielectric layer 132, and an outer conductor layer 133 that are coaxially disposed, and the insulating dielectric layer 132 is disposed between the inner conductor 131 and the outer conductor layer 133 to ensure that they do not contact each other. When the coaxial cable is arranged, the outer conductor layers 133 of the first coaxial line 130 and the second coaxial line 140 are respectively attached to the outer sides, far away from the space axis, of the first aggregation line 111 and the second aggregation line 112 so as to generate a potential difference.

Further, referring to fig. 6, the top ends of the first aggregation line 111 and the second aggregation line 112 are respectively provided with a first through hole 150 and a second through hole 160, the shape and size of the first through hole 150 and the second through hole 160 can be adapted to the first coaxial line 130 and the second coaxial line 140, and can also be larger than or smaller than the cross section of the coaxial line, the coaxial line arranged on the aggregation line can connect the output end to the through hole on the aggregation line where the coaxial line is located, further, the inner conductor connected to the aggregation line of the through holes can also continue to extend, and the inner conductor passes through the through hole to be connected to the aggregation line opposite to the aggregation line where the coaxial line is located, so as to form a feed structure. For example, the output end of the second coaxial line 140 disposed on the second aggregation line 112 is connected to the second via 160, while the inner conductor of the output end of the second coaxial line 140 further extends through the second via 160 to be connected to the fourth coaxial line 114, and the arrangement of the first aggregation line 111 and the first coaxial line 130 is also the same, which is not described herein.

In one embodiment, lens 190 is a spherical lens. The lens 190 is fixedly disposed at a first end of the dual-polarized log-periodic antenna 12 by a connector. The spherical lens has an arc-shaped spherical surface, and can better compensate and correct the non-uniform spherical waves of the antenna, so that the non-uniform spherical waves of the antenna are corrected into uniform spherical waves, and the gain of the antenna is improved. Further, the spherical lens includes at least one convex surface, and in this embodiment, the spherical lens includes a plane and a convex surface, and the convex surface may be disposed toward the antenna main body 110, and the plane is located at a side away from the antenna main body 110, or the plane may also be disposed toward the antenna main body 110, and the convex surface is located at a side away from the antenna main body 110, and may be specifically adjusted according to actual requirements. The connecting piece can be the foam connecting piece or spliced pole etc. further, lens 190 also can be dismantled through the connecting piece and be fixed in the first end of antenna main part 110, and installation lens 190 need not dismantle when needing, and it is convenient to use, and when lens 190 damaged and can not be used, can only change lens 190, has avoided dual polarization log periodic antenna 12 whole replacement, has practiced thrift cost of maintenance.

In one embodiment, the dual-polarized log-periodic antenna 12 further includes a dielectric strip disposed in an area surrounded by the first set line 111, the second set line 112, the third set line 113 and the fourth set line 114. The size of the dielectric strip is not unique, in this embodiment, the cross-sectional area of the dielectric strip is equal to the cross-sectional area of the area formed by the first aggregation line 111, the second aggregation line 112, the third aggregation line 113 and the fourth aggregation line 114, so that the dielectric strip is fixed, the working stability is improved, the length of the dielectric strip can be equal to the distance between the antenna oscillators 120 arranged at two ends of the same aggregation line, and the material waste can not be caused on the premise of ensuring the working effect. The dual-polarization log periodic antenna 12 utilizes a quasi-period aligning model, the oscillators are not crossed, the array elements are each pair of oscillators, the four pairs of oscillators are dual-polarized, the length of each layer of oscillators is different, therefore, a wider bandwidth is realized, and the intervals of the array elements are different. The Hansen-Wood's terminal emitting condition is realized by adding the dielectric strips in the middle of the feed collection plate, dielectric strip dielectric constants of all layers of oscillators are different, and a strong terminal emitting array is formed, so that the purpose of improving the gain of the antenna is realized.

In one embodiment, referring to fig. 9, the dual-polarized log-periodic antenna 12 further includes more than two baluns 210, and each balun 210 is connected to a different one of the first aggregation line 111, the second aggregation line 112, the third aggregation line 113, and the fourth aggregation line 114. Although fig. 9 does not show a specific connection manner between the antenna body 110 and the lens 190, the antenna body 110 and the lens 190 may be actually connected by a connection member. Specifically, in the present embodiment, taking the dual-polarized log-periodic antenna 12 as an example that includes the first balun and the second balun, the port of the first balun is connected to the first aggregation line 111, and the port of the second balun is connected to the second aggregation line 112, and further, the port of the balun connected to the aggregation line may further continue to extend to be connected to the aggregation line opposite to the connected aggregation line, so as to constitute the feeding structure. The connection relationship between the other baluns and the assembly line can be analogized, and the description is omitted here. The feed structure formed by more than two baluns can realize the balanced feed of the antenna oscillator and improve the working performance of the dual-polarized log periodic antenna 12.

In one embodiment, the shape of each aggregate line constituting the antenna body 110 is a rectangular parallelepiped to facilitate the mounting of components such as an antenna element, a coaxial line, and the like.

As shown in fig. 4 and 7, in one embodiment, the dual-polarized log-periodic antenna 12 further includes a third coaxial line 170 and a fourth coaxial line 180 respectively disposed on the third collective line 113 and the fourth collective line 114, and the third coaxial line 170 is symmetrical to the first coaxial line 130 about the aforementioned spatial axis, and the fourth coaxial line 180 and the second coaxial line 140 are symmetrical about the aforementioned spatial axis. In one embodiment, the third coaxial line 170 may also be equal in length to the first coaxial line 130, and the fourth coaxial line 180 may be equal in length to the second coaxial line 140. In another embodiment, the third coaxial line 170 is identical to the first coaxial line 130 and the fourth coaxial line 180 is identical to the second coaxial line 140. By providing the coaxial lines symmetrical to the first coaxial line 130 and the second coaxial line 140, the structural symmetry of the dual-polarized log periodic antenna 12 can be ensured, so that the symmetry of the radiation characteristics of the antenna is ensured, and the antenna performance is improved.

As shown in fig. 8, in one embodiment, the input impedance of the first and

third aggregation lines

111 and 113 and the first antenna single-polarization structure formed by the first and third

coaxial lines

130 and 170 and the antenna element disposed on the first and

third aggregation lines

111 and 113 is 50 ohms. The input impedance of the second antenna single-polarization structure composed of the second collective line 112 and the fourth collective line 114, and the second coaxial line 140, the fourth coaxial line 180, and the antenna element provided on the second collective line 112 and the fourth collective line 114 is also 50 ohms. The dual-polarized log periodic antenna 12 does not need an impedance transformer, can directly adopt a 50-ohm coaxial line for feeding, and is convenient and stable and strong in adaptability. The top feed adopts coaxial feed which is connected with the integrated line in a clinging manner. Meanwhile, the bottom of the integrated wire can be used for coaxial feeding. Further, in one embodiment, the wires of the first coaxial line 130, the second coaxial line 140, the third coaxial line 170, and the fourth coaxial line 180 are all 50 ohm coaxial lines.

In one embodiment, the first through hole 150 is opened closer to the top end than the second through hole 160, so that the inner conductors of the first coaxial line 130 and the second coaxial line 140 are not overlapped when being connected to the third aggregation line 113 and the fourth aggregation line 114, respectively, to avoid interference.

In one embodiment, referring to fig. 9, the dual-polarized log-periodic antenna 12 may further include a reflection plate 220 disposed at the second end of the antenna body 110. Specifically, the second end of the antenna body 110 may be a ground-proximal end, i.e., a bottom end, of the antenna body. Through setting up reflecting plate 220, can assemble the reflection away with antenna backward wave beam through reflecting plate 220 to improve the front-to-back ratio of antenna effectively, also have certain effect to improving antenna gain and directionality, improve the antenna performance.

In one embodiment, the dual-polarized log-periodic antenna 12 further includes a radome (not shown) having a cavity structure with one open end and the other closed end, and the open end is fixed on the substrate 11. The dual-polarized log periodic antenna 12 is disposed in the radome cavity structure, such that the radome can protect each component of the dual-polarized log periodic antenna 12.

The three-dimensional high-gain antenna device realizes the dual-polarization structure of two single-polarized antenna units by adopting the cross structure, realizes the high-gain dual-polarized log-periodic antenna 12, can reduce the signal polarization loss, ensures that the gains of the horizontal and vertical directions of the antenna are good, simultaneously, the lens is arranged on the antenna main body of the dual-polarized log-periodic antenna 12, ensures that the lens can compensate and correct the non-uniform spherical wave radiated by the antenna to obtain uniform spherical wave, thereby realizing the phase compensation of the antenna waveform, finally improving the integral gain of the antenna, simultaneously, the assembly line of each antenna and the antenna elements arranged on the assembly line can be disassembled and assembled in blocks, the structure is simple, the manufacture and the installation are convenient, finally, the dual-polarized periodic antenna 12 forms an antenna array, the high-gain antenna device is designed into a three-dimensional array structure, so that the high-gain antenna device can form vertical plane, thereby improving the overall gain of the antenna.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A stereoscopic high-gain antenna device, comprising: the dual-polarized log-periodic antenna comprises a substrate and two or more than two dual-polarized log-periodic antennas, wherein each dual-polarized log-periodic antenna is arranged on the substrate;

the dual-polarized log-periodic antenna comprises:

the antenna main body comprises four same aggregation lines, namely a first aggregation line, a second aggregation line, a third aggregation line and a fourth aggregation line, which are sequentially arranged around a space axis, wherein the first aggregation line and the third aggregation line are oppositely arranged, the second aggregation line and the fourth aggregation line are oppositely arranged, a connecting line between a midpoint of the first aggregation line and a midpoint of the third aggregation line is perpendicular to a connecting line between the midpoint of the second aggregation line and the midpoint of the fourth aggregation line, a foot is hung on the space axis, and the first aggregation line, the second aggregation line, the third aggregation line and the fourth aggregation line respectively comprise a first end and a second end; the antenna elements are alternately arranged on two sides of the first aggregation line relative to the space axis direction at equal intervals in sequence from the first end to the second end of the first aggregation line, and the shorter the length of the antenna element close to the second end of the first aggregation line, the antenna elements on the first aggregation line are parallel to each other and are positioned on the same plane; a plurality of antenna oscillators are also arranged on the second aggregation line, the third aggregation line and the fourth aggregation line respectively, and the arrangement mode of the antenna oscillators is the same as that of the antenna oscillators of the first aggregation line;

the lens is arranged at the first end of the antenna main body, and the plane of the lens is perpendicular to the space axis;

the first coaxial line and the second coaxial line are respectively arranged on the first aggregation line and the second aggregation line and comprise an inner conductor, an insulating medium layer and an outer conductor layer which are coaxially arranged, the insulating medium layer is arranged between the inner conductor and the outer conductor layer, and the outer conductor layer of the first coaxial line and the second coaxial line are respectively attached to one sides, far away from the space axis, of the first aggregation line and the second aggregation line;

the first set line with the second end of second set line still is provided with first through-hole and second through-hole respectively, the shape and the size of first through-hole and second through-hole respectively with first coaxial line and second coaxial line suit, the output of first coaxial line and second coaxial line is connected to respectively first through-hole and second through-hole, just the inner conductor of first coaxial line and second coaxial line passes respectively first through-hole with the second through-hole is connected to the third set line with the fourth set line.

2. The stereoscopic high-gain antenna device as claimed in claim 1, wherein dual-polarized log periodic antennas of different frequency bands are disposed crosswise on the substrate.

3. The stereoscopic high-gain antenna device as claimed in claim 1, wherein the lens is a spherical lens, and the lens is fixedly disposed at the first end of the dual-polarized log-periodic antenna through a connector.

4. The stereoscopic high-gain antenna device according to claim 1, wherein the dual-polarized log-periodic antenna further comprises a dielectric strip disposed in an area surrounded by the first set of lines, the second set of lines, the third set of lines, and the fourth set of lines.

5. The stereoscopic high-gain antenna apparatus according to claim 1, wherein the dual-polarized log-periodic antenna further comprises two or more baluns, and each balun is connected to a different one of the first, second, third, and fourth aggregation lines.

6. The stereoscopic high-gain antenna apparatus as claimed in claim 1, wherein each of the collective lines has a rectangular parallelepiped shape.

7. The stereoscopic high-gain antenna device as claimed in claim 1, wherein the dual-polarized log-periodic antenna further comprises:

a third coaxial line disposed on the third collective line, symmetrical to the first coaxial line with respect to the spatial axis;

and the fourth coaxial line is arranged on the fourth collecting line and is symmetrical to the second coaxial line about the space axis.

8. The stereoscopic high-gain antenna device according to claim 7, wherein the input impedance of the first antenna single-polarization structure composed of the first and third assembly lines and the first and second coaxial lines, the third coaxial line and the antenna element disposed on the first and third assembly lines, and the input impedance of the second antenna single-polarization structure composed of the second and fourth assembly lines and the second and fourth coaxial lines and the antenna element disposed on the second and fourth assembly lines are both 50 ohms.

9. The stereoscopic high-gain antenna apparatus as claimed in claim 7, wherein the wires of the first coaxial line, the second coaxial line, the third coaxial line and the fourth coaxial line are 50 ohm coaxial lines.

10. The stereoscopic high-gain antenna device according to claim 1, wherein the dual-polarized log-periodic antenna further comprises an antenna housing, the antenna housing has a cavity structure with one open end and the other closed end, and the open end is fixed on the substrate.