CN112635976B - Zigzag dipole 5G base station antenna unit - Google Patents
Zigzag dipole 5G base station antenna unit Download PDFInfo
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- CN112635976B CN112635976B CN202011522514.5A CN202011522514A CN112635976B CN 112635976 B CN112635976 B CN 112635976B CN 202011522514 A CN202011522514 A CN 202011522514A CN 112635976 B CN112635976 B CN 112635976B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a zigzag dipole 5G base station antenna unit, which mainly comprises a zigzag radiation structure, a feed patch, a cylindrical coaxial feed structure, a support rubber column and a metal reflecting plate, wherein the zigzag radiation structure is arranged on the feed patch; the zigzag radiation structure takes the coaxial core as the center to be symmetrically distributed and is fixed on the bottom metal reflecting plate through four supporting rubber columns; the cylindrical coaxial feed structure comprises a metal cylindrical inner core and an outer core, wherein the top end of the inner core is connected with a rectangular metal patch and is connected with one side of a horizontal saw-tooth copper sheet through the rectangular metal patch, the outer core is connected with a folding metal patch and is connected with the other side of the horizontal saw-tooth copper sheet through the folding metal patch, and the bottom of the outer core penetrates through the metal reflecting plate; the invention can cover the frequency band of 3.3-4.2GHz, effectively reduces the size of the antenna and reduces the cost, so that the antenna can be preferably applied to a 5G base station antenna system.
Description
Technical Field
The invention relates to the technical field of design and manufacture of mobile communication base station antennas, in particular to a zigzag dipole 5G base station antenna unit.
Background
Today, with the rapid development of intelligent mobile communication science and technology, the current mobile communication big data transmission generates higher requirements on the base station antenna. The base station antenna is used as a core in mobile communication, and a radio transmission line is established between the base station and each mobile station located in the service area, so that the performance of the base station can seriously affect the quality of the whole communication system. In addition, the base station antenna unit is an important element constituting the base station antenna, and thus, a study of designing the base station antenna unit is indispensable.
The dipole antenna is used as a base station antenna unit, has simple structure and manufacturing process, low cost, stable omnidirectional radiation characteristic, and can balance the problem of large size and weight of the antenna, and is widely applied to the design of mobile communication base station antennas. In order to solve the current shortage of coexistence of multiple communication networks and multiple operators and the rapid popularization of 5G communication networks, mobile communication base station antennas are developed toward miniaturization. With the rise of miniaturized devices, the requirements of antenna dimensions are becoming more stringent.
In recent years, the concept and research of miniaturized base station antenna design have attracted the eyeballs of many researchers. In order to achieve the miniaturization concept, 2018, yu Wensheng et al propose a design of a compact dual-polarized magneto-electric dipole antenna, which achieves the objective of miniaturization of the antenna by utilizing the shape of the dipole on the antenna surface. However, the floor size of this type of antenna reaches 130mm by 130mm, which has not been able to meet the practical requirements of contemporary wireless communication systems for antenna element size. Dipole antennas are the first choice for base station antenna design units, and have the properties of cross polarization, gain and the like. In addition, the miniaturized dipole base station antenna unit with excellent design performance has important practical significance and value, and is an urgent need in the field of wireless communication.
Accordingly, there is a need for a saw tooth dipole 5G base station antenna unit that addresses the above-described challenges.
Disclosure of Invention
In order to solve the problem, the invention discloses a zigzag dipole 5G base station antenna unit, which effectively solves the problems of complex structure, large size and large weight of the existing base station antenna.
The antenna unit of the zigzag dipole 5G base station mainly comprises a zigzag radiation structure, a feed patch, a cylindrical coaxial feed structure, a support rubber column and a metal reflecting plate; the zigzag radiation structure takes the coaxial core as the center to be symmetrically distributed and is fixed on the bottom metal reflecting plate through four supporting rubber columns;
the feeding patch comprises a rectangular metal patch and a folding metal patch, and one ends of the rectangular metal patch and the folding metal patch are respectively connected with the inner core of the coaxial feeding structure and the outer core of the coaxial feeding structure; the other end and the similar side are horizontally sawn copper sheets with the thickness of 3 mm by 4mm 2 Welding in a rectangular overlapping mode;
the cylindrical coaxial feed structure comprises a metal cylindrical inner core and an outer core, wherein the top end of the inner core is connected with a rectangular metal patch and is connected with one side of a horizontal saw-tooth copper sheet through the rectangular metal patch, the outer core is connected with a folding metal patch and is connected with the other side of the horizontal saw-tooth copper sheet through the folding metal patch, and the bottom of the outer core penetrates through the metal reflecting plate;
the folding metal patch comprises a folding transverse short metal patch, a folding vertical metal patch and a folding transverse long metal patch.
Further, the working frequency band of the zigzag dipole 5G base station antenna unit is 3.3-4.2GHz.
Further, the horizontal saw-tooth copper sheet is composed of two groups of rectangular patches, and the size of a single saw-tooth copper sheet is 8mm 2 The method comprises the steps of carrying out a first treatment on the surface of the Four cylinder rubber columns are arranged below the horizontal saw-tooth copper sheet and used for supporting, the height of the horizontal saw-tooth copper sheet is 4.5mm, and the horizontal saw-tooth copper sheet has a central symmetry structure with a coaxial core.
Further, the metal reflecting plate of the present invention is made of metal aluminum, and the bottom metal reflecting plate has a size of 28×12×0.5mm 3 The middle of the metal reflecting plate is provided with a through hole for bearing the metal cylinder coaxial feed structure, and the sizes of the metal reflecting plates at the two sides are 12 x 0.5 x 6mm 3 。
Further, the zigzag structure of the horizontal zigzag copper sheet 9 of the present invention is disposed on the edge of the horizontal zigzag copper sheet 9 away from the core 3 of the coaxial feed structure.
The beneficial effects of the invention are as follows:
the invention can cover the frequency band of 3.3-4.2GHz, effectively reduces the size of the antenna and reduces the cost, so that the antenna can be preferably applied to a 5G base station antenna system.
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The advantages and features of the invention are described in detail below.
Drawings
Fig. 1 is a perspective view showing the appearance of a saw-tooth dipole 5G base station antenna unit according to the present invention;
fig. 2 is a schematic diagram of the front view of a saw-tooth dipole 5G base station antenna unit of the present invention;
fig. 3 is a schematic top view of a saw-tooth dipole 5G base station antenna unit according to the present invention;
fig. 4 is a graph of return loss of a saw tooth dipole 5G base station antenna element of the present invention;
fig. 5 is a gain diagram of a saw tooth dipole 5G base station antenna element of the present invention;
in the figure: 1. the metal reflector plate 2, the support rubber column 3, the coaxial feed structure inner core 4, the coaxial feed structure outer core 5, the rectangular metal patch 6, the folded transverse short metal patch 7, the folded vertical metal patch 8, the folded transverse long metal patch 9 and the horizontal zigzag copper sheet
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the invention.
In the following description, a detailed structure will be presented for a thorough understanding of the present invention. It will be apparent that the invention is not limited to the specific details set forth in the skilled artisan. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments in addition to these detailed descriptions.
The following describes embodiments of the present invention in detail.
Referring to fig. 1 to 5, a saw-tooth dipole 5G base station antenna unit mainly includes a saw-tooth radiation structure, a feeding patch, a cylindrical coaxial feeding structure, a supporting rubber post 2 and a metal reflecting plate 1; the zigzag radiation structure takes the coaxial core as the center to be symmetrically distributed, and is fixed on the bottom metal reflecting plate 1 through four supporting rubber columns 2;
the feeding patch comprises a rectangular metal patch 5 and a folding metal patch, and one ends of the rectangular metal patch 5 and the folding metal patch are respectively connected with the inner core 3 of the coaxial feeding structure and the outer core 4 of the coaxial feeding structure; the other end and the similar side are horizontally sawn copper sheets 9 with the thickness of 3 mm by 4mm 2 Welding in a rectangular overlapping mode;
the cylindrical coaxial feed structure comprises a metal cylindrical inner core and an outer core, wherein the top end of the inner core is connected with a rectangular metal patch 5 and is connected with a horizontal saw-tooth copper sheet 9 on one side through the rectangular metal patch 5, the outer core is connected with a folding metal patch and is connected with the horizontal saw-tooth copper sheet 9 on the other side through the folding metal patch, and the bottom of the outer core penetrates through the metal reflecting plate 1;
the folded metal patches include a folded transverse short metal patch 6, a folded vertical metal patch 7, and a folded transverse long metal patch 8.
Further, the working frequency band of the zigzag dipole 5G base station antenna unit is 3.3-4.2GHz.
Further, the horizontal saw-tooth copper sheet 9 of the present invention is composed of two groups of rectangular patches, and the size of a single saw-tooth copper sheet is 8mm 2 The method comprises the steps of carrying out a first treatment on the surface of the Four cylinder rubber columns are arranged below the horizontal zigzag copper sheet 9 and used for supporting, the height of the cylinder rubber columns is 4.5mm, and the horizontal zigzag copper sheet 9 presents a central symmetry structure with a coaxial core.
As a further stepThe metal reflecting plate 1 of the invention is made of metal aluminum, and the size of the bottom metal reflecting plate 1 is 28 x 12 x 0.5mm 3 The middle is provided with a through hole for bearing a metal cylinder coaxial feed structure, and the sizes of the metal reflecting plates 1 at the two sides are 12 x 0.5 x 6mm 3 。
Referring to fig. 3, the zigzag structure of the horizontal zigzag copper sheet 9 of the present invention is disposed on the edge of the horizontal zigzag copper sheet 9 remote from the core 3 of the coaxial feed structure.
The beneficial effects of this embodiment are:
the embodiment can cover the frequency band of 3.3-4.2GHz, effectively reduces the size of the antenna, reduces the cost, and can be preferably applied to a 5G base station antenna system.
The present invention has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the invention to the embodiments described. In addition, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications are possible in light of the teachings of the invention, which variations and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The antenna unit of the zigzag dipole 5G base station mainly comprises a zigzag radiation structure, a feed patch, a cylindrical coaxial feed structure, a support rubber column (2) and a metal reflecting plate (1); the novel radiation device is characterized in that the zigzag radiation structure is symmetrically distributed by taking a coaxial core as a center, and is fixed on a bottom metal reflecting plate (1) through four supporting rubber columns (2);
the feeding patch comprises a rectangular metal patch (5) and a folding metal patch, and one ends of the rectangular metal patch (5) and the folding metal patch are respectively connected with the inner core (3) of the coaxial feeding structure and the outer core (4) of the coaxial feeding structure; the other end and the similar side are horizontally sawn copper sheets (9) with the thickness of 3 mm or 4mm 2 Welding in a rectangular overlapping mode;
the cylindrical coaxial feed structure comprises a metal cylindrical inner core and an outer core, wherein the top end of the inner core is connected with a rectangular metal patch (5) and is connected with a horizontal saw-tooth copper sheet (9) on one side through the rectangular metal patch (5), the outer core is connected with a folding metal patch and is connected with the horizontal saw-tooth copper sheet (9) on the other side through the folding metal patch, and the bottom of the outer core penetrates through the metal reflecting plate (1);
the folding metal patch comprises a folding transverse short metal patch (6), a folding vertical metal patch (7) and a folding transverse long metal patch (8);
the zigzag structure of the horizontal zigzag copper sheet (9) is arranged on the edge of the horizontal zigzag copper sheet (9) far away from the inner core (3) of the coaxial feed structure.
2. A saw tooth dipole 5G base station antenna unit according to claim 1, wherein: the working frequency band of the zigzag dipole 5G base station antenna unit is 3.3-4.2GHz.
3. A saw tooth dipole 5G base station antenna unit according to claim 1, wherein: the horizontal zigzag copper sheet (9) is composed of two groups of rectangular patches, and the size of a single zigzag copper sheet is 8mm 2 The method comprises the steps of carrying out a first treatment on the surface of the Four cylinder rubber columns are arranged below the horizontal zigzag copper sheet (9) and used for supporting, the height of the horizontal zigzag copper sheet is 4.5mm, and the horizontal zigzag copper sheet (9) presents a central symmetry structure by using a coaxial core.
4. A saw tooth dipole 5G base station antenna unit according to claim 1, wherein: the metal reflecting plate (1) is made of metal aluminum, and the size of the bottom metal reflecting plate (1) is 28 x 12 x 0.5mm 3 The middle is provided with a through hole for bearing a metal cylinder coaxial feed structure, and the sizes of the metal reflecting plates (1) at the two sides are 12 x 0.5 x 6mm 3 。
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011522514.5A CN112635976B (en) | 2020-12-17 | 2020-12-17 | Zigzag dipole 5G base station antenna unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011522514.5A CN112635976B (en) | 2020-12-17 | 2020-12-17 | Zigzag dipole 5G base station antenna unit |
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| CN112635976A CN112635976A (en) | 2021-04-09 |
| CN112635976B true CN112635976B (en) | 2023-06-30 |
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| CN114865289A (en) * | 2022-06-01 | 2022-08-05 | 成都益为创达科技有限公司 | Low-profile magnetic dipole antenna applicable to base station antenna |
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| CN104078751A (en) * | 2014-06-11 | 2014-10-01 | 西安电子科技大学 | Directional dual-frequency base station antenna |
| CN109802231A (en) * | 2018-07-17 | 2019-05-24 | 云南大学 | Wideband electromagnetic dipole antenna based on artificial magnetic conductor |
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| US6275181B1 (en) * | 1999-04-19 | 2001-08-14 | Advantest Corporation | Radio hologram observation apparatus and method therefor |
| DE102006006144A1 (en) * | 2006-02-10 | 2007-08-23 | Lumberg Connect Gmbh | dipole antenna |
| CN102570014A (en) * | 2011-11-18 | 2012-07-11 | 中国船舶重工集团公司第七二四研究所 | Design technology of horizontal polarization omnidirectional antenna with adjustable lobe elevation angle |
| CN207082635U (en) * | 2017-08-22 | 2018-03-09 | 南京邮电大学 | Double-frequency broadband butterfly shaped plane antenna |
| CN111029758B (en) * | 2020-01-10 | 2023-10-20 | 国网思极神往位置服务（北京）有限公司 | BD B1 frequency band satellite navigation terminal antenna and working method thereof |
| CN111430920A (en) * | 2020-04-10 | 2020-07-17 | 展讯通信（上海）有限公司 | Ultra-wideband antenna and ultra-wideband communication device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078751A (en) * | 2014-06-11 | 2014-10-01 | 西安电子科技大学 | Directional dual-frequency base station antenna |
| CN109802231A (en) * | 2018-07-17 | 2019-05-24 | 云南大学 | Wideband electromagnetic dipole antenna based on artificial magnetic conductor |
Non-Patent Citations (2)
| Title |
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| A Compact High-Precision GNSS Antenna With a Miniaturized Choke Ring;Sijia Liu 等;《IEEE Antennas and Wireless Propagation Letters ( Volume: 16)》;第1-4页 * |
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Effective date of registration: 20230526 Address after: 030000 Xueyuan Road 3, Taiyuan, Shanxi Applicant after: NORTH University OF CHINA Applicant after: Nantong Institute for Advanced Study Address before: 226000 building w-9, Zilang science and Technology City, Nantong central Innovation Zone, Chongchuan District, Nantong City, Jiangsu Province Applicant before: Nantong Institute of intelligent optics, North China University |
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