CN112886188A - Integrated air medium radiation unit and antenna base station - Google Patents

Integrated air medium radiation unit and antenna base station Download PDF

Info

Publication number
CN112886188A
CN112886188A CN202110081790.0A CN202110081790A CN112886188A CN 112886188 A CN112886188 A CN 112886188A CN 202110081790 A CN202110081790 A CN 202110081790A CN 112886188 A CN112886188 A CN 112886188A
Authority
CN
China
Prior art keywords
radiation
feed
support
integrated
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110081790.0A
Other languages
Chinese (zh)
Inventor
冯冰冰
刘奕
蔡娟
王羽林
安涛
管超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mobi Antenna Technologies Shenzhen Co Ltd
Shenzhen Shengyu Wisdom Network Technology Co Ltd
Mobi Technology Xian Co Ltd
Mobi Antenna Technologies Jian Co Ltd
Mobi Technology Shenzhen Co Ltd
Xian Mobi Antenna Technology Engineering Co Ltd
Original Assignee
Mobi Antenna Technologies Shenzhen Co Ltd
Shenzhen Shengyu Wisdom Network Technology Co Ltd
Mobi Technology Xian Co Ltd
Mobi Antenna Technologies Jian Co Ltd
Mobi Technology Shenzhen Co Ltd
Xian Mobi Antenna Technology Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mobi Antenna Technologies Shenzhen Co Ltd, Shenzhen Shengyu Wisdom Network Technology Co Ltd, Mobi Technology Xian Co Ltd, Mobi Antenna Technologies Jian Co Ltd, Mobi Technology Shenzhen Co Ltd, Xian Mobi Antenna Technology Engineering Co Ltd filed Critical Mobi Antenna Technologies Shenzhen Co Ltd
Priority to CN202110081790.0A priority Critical patent/CN112886188A/en
Priority to PCT/CN2021/073894 priority patent/WO2022155985A1/en
Publication of CN112886188A publication Critical patent/CN112886188A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246Supports; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)

Abstract

The invention provides an integrated air medium radiation unit, which comprises: the integrated radiation and feed unit comprises at least one lower-layer radiation piece and a feed circuit, wherein the lower-layer radiation piece is electrically connected with the feed circuit and is provided with at least one first clamping hole; the insulating support plate is provided with a radiation support area corresponding to each lower-layer radiation piece, each radiation support area is provided with at least one support column and a plurality of first vent holes, and the support columns penetrate through the first clamping holes to fix the lower-layer radiation pieces; and the insulating support plate is provided with a feed support area corresponding to the feed circuit, the feed support area comprises a plurality of supports and a plurality of second ventilation holes which are arranged in a cross mode, and the radiation support area, the feed support area and air are used as media of the integrated radiation and feed unit. Therefore, the invention can realize integration, low cost, high quality and high gain.

Description

Integrated air medium radiation unit and antenna base station
Technical Field
The invention relates to the technical field of communication, in particular to an integrated air medium radiation unit and an antenna base station.
Background
In the 4G (Fourth Generation mobile communication technology) network era, the network scale tends to be stable, but the frequency resources are in short supply, and huge energy consumption and network optimization problems exist. With the continuous improvement and innovation of related technologies, the goal of realizing the whole network era is to provide better services for users, the bandwidth is wider than that of 4G, the speed is higher, the 5G (Fifth Generation mobile communication technology) network is gradually commercialized by stronger coverage and downward extension, new functions such as internet of everything, life cloud end, intelligent interaction and the like are realized, and various applications such as virtual reality, augmented reality, intelligent equipment, automatic driving, remote medical treatment, remote control and the like are possible or more civilized.
However, the 5G network is also exposed to the disadvantages while being used in business, the 5G base station antenna structure is composed of a cured structure mainly composed of components such as a reflection plate, a radiation unit, a Printed Circuit Board (PCB) feed network, a back phase shifter, a filter, a connector and the like, the cost is limited in the curing mode, and the performance and the cost of each manufacturer gradually converge. How to break the curing mode, namely, ensuring the performance and reducing the cost is a difficult point which needs to be broken through urgently in the current 5G research.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide an integrated air dielectric radiating unit and an antenna base station, which can achieve integration, low cost, high quality and high gain.
In order to achieve the above object, the present invention provides an integrated air dielectric radiation unit, comprising:
the integrated radiation and feed unit comprises at least one lower-layer radiation piece and a feed circuit, wherein the lower-layer radiation piece is electrically connected with the feed circuit and is provided with at least one first clamping hole;
the integrated radiation and feed unit is fixed on the insulating support plate; the insulating support plate is provided with a radiation support area corresponding to each lower-layer radiation piece, each radiation support area is provided with at least one support column and a plurality of first vent holes, and the support columns penetrate through the first clamping holes to fix the lower-layer radiation pieces; and the insulating support plate is provided with a feed support area corresponding to the feed circuit, the feed support area comprises a plurality of supports and a plurality of second ventilation holes which are arranged in a cross mode, and the radiation support area, the feed support area and air are used as media of the integrated radiation and feed unit.
According to the integrated air medium radiation unit, the insulation support plate is made of a plastic material through integrated injection molding; and/or
The insulating support plate is also provided with at least one lightening hole; and/or
The support of the feed support area is an area of the insulating support plate between two adjacent second vent holes; and/or
The support comprises a bar-shaped support, and the second vent comprises a bar-shaped vent.
According to the integrated air medium radiation unit, the thickness of the support of the feed support area is smaller than a preset first threshold value; and/or
The insulating support plate is made of high-temperature-resistant plastic materials, the difference value between the dielectric constant of the plastic materials and the dielectric constant of the FR4 material is smaller than a preset second threshold value, and the loss tangent value of the plastic materials is smaller than that of the FR4 material; and/or
The radiation support area is provided with at least one pair of the support columns, and each pair of the support columns comprises a solid cylindrical support column and a slotted cylindrical support column.
According to the integrated air medium radiation unit, the integrated radiation and feed unit is also provided with connecting holes, and the connecting holes are respectively and electrically connected with the feed circuit, the antenna joint and/or the back assembly; and/or
The integrated radiation and feed unit is made of metal materials through an etching process or a stamping process.
According to the integrated air medium radiation unit, the number of the lower radiation sheets is N, and N is an integer greater than or equal to 2;
the N lower-layer radiating fins are electrically connected through the feed circuit, and the feed circuit adopts an N-in-1 wiring form.
According to the integrated air medium radiation unit, at least one upper layer radiation piece is correspondingly arranged on each lower layer radiation piece, at least one second clamping hole is formed in each upper layer radiation piece, and the supporting column of the insulating supporting plate penetrates through the second clamping hole to fix the upper layer radiation piece.
According to the integrated air medium radiation unit, each side edge of the upper layer radiation sheet is also provided with at least one opening hole; and/or
The upper layer radiation sheet is made of a metal material; and/or
The upper layer radiation sheet is square, rectangular, round or irregular.
According to the integrated air medium radiation unit, the opening hole is a T-shaped strip-shaped hole.
The invention also provides a base station antenna which comprises a reflecting plate, wherein at least one integrated air medium radiation unit is arranged on the reflecting plate.
According to the base station antenna, the base station antenna is further provided with the antenna outer cover, the antenna outer cover is arranged on the reflecting plate and forms a closed space together, and the integrated air medium radiation unit is contained in the closed space.
The integrated air medium radiation unit and the antenna base station break through the solidification structure of the existing base station antenna, so that the performance is ensured, and the cost is reduced. The integrated air medium radiation unit comprises an integrated radiation and feed unit and an insulating support plate; the integrated radiation and feed unit comprises a lower radiation sheet and a feed circuit; the insulating support plate is provided with a radiation support area and a feed support area, each radiation support area is provided with a support column and a first vent hole, the support columns and the first vent holes are used for fixing the lower-layer radiation piece, and the first vent holes are used for adjusting the dielectric constant below the lower-layer radiation piece to be equivalent to air as far as possible; the feed supporting area comprises a plurality of supports and a plurality of second ventilation holes which are arranged in a crossed mode, the second ventilation holes are used for adjusting the dielectric constant below the feed circuit to be equivalent to air as far as possible, and the radiation supporting area, the feed supporting area and the air are used as media of the integrated radiation and feed unit. The invention adopts the integrated radiation and feed unit, and the insulating support plate and the air are used as the medium of the radiation unit and the feed circuit, so that a PCB (printed circuit board) is not needed as a feed network, and the cost is greatly reduced; meanwhile, the radiation unit and the feed circuit are integrated by air, so that welding between the radiation unit and the feed circuit is avoided, the production working hours can be reduced, and the problems of void ratio, poor contact and consistency caused by welding are avoided, so that the product quality is improved; and because air is a low-loss medium, the gain of the whole base station antenna is greatly improved compared with the traditional base station antenna which relies on a PCB board as a feed network. Therefore, the integrated air medium radiation unit and the base station antenna can realize integration, low cost, high quality and high gain. The invention is particularly suitable for 5G base station antennas.
Drawings
FIG. 1 is an exploded perspective view of a preferred base station antenna of the present invention having an integral air dielectric radiating element;
FIG. 2 is a schematic structural diagram of an integrated radiating and feeding unit of a preferred integrated air dielectric radiating unit according to the present invention;
FIG. 3 is a schematic structural view of an insulating support plate of a preferred integrated air dielectric radiating unit of the present invention;
FIG. 4 is a schematic structural diagram of an upper radiation sheet of a preferred integrated air dielectric radiation unit of the present invention;
fig. 5 is a schematic structural diagram of another preferred base station antenna of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention 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 invention and are not intended to limit the invention.
It should be noted that references in the specification to "one embodiment," "an example embodiment," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not intended to refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Moreover, where certain terms are used throughout the description and following claims to refer to particular components or features, those skilled in the art will understand that manufacturers may refer to a component or feature by different names or terms. This specification and the claims that follow do not intend to distinguish between components or features that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. In addition, the term "connected" as used herein includes any direct and indirect electrical connection. Indirect electrical connection means include connection by other means.
Fig. 1 to 4 show the structure of a preferred integrated air dielectric radiating unit of the present invention, where the integrated air dielectric radiating unit 100 at least includes an integrated radiating and feeding unit 10 and an insulating support plate 20, the integrated radiating and feeding unit 10 is fixed on the insulating support plate 20, where:
the integrated radiation and feed unit 10 includes at least one lower radiation plate 11 and a feed line 12, the lower radiation plate 11 is electrically connected to the feed line 12, and at least one first clamping hole 13 is formed in the lower radiation plate 11. The integrated radiation and feed unit 10 integrates a radiation unit and a feed line. In this embodiment, the integrated radiation and power feed unit 10 includes 3 irregular square lower radiation pieces 11, but the number and shape of the lower radiation pieces 11 are not particularly limited, and may be arbitrarily set according to actual needs. For example, the number of the lower radiation fins 11 may be any number, such as 1, 2, 4, 5, etc., and for example, the shape of the lower radiation fins 11 may be square, rectangular, circular, irregular, etc. The first position-locking hole 13 is used for fixing with the insulating support plate 20. In this embodiment, each lower radiation sheet 11 includes 4 circular first card position holes 13, but the number and shape of the first card position holes 13 are not particularly limited, and may be arbitrarily set according to actual needs. For example, the number of the first card hole 13 may be any number such as 1, 2, 3, or 5. For example, the first card position hole 13 may be any polygon such as a square, a rectangle, a triangle, or an irregular shape. The feed line 12 serves as a power division feed structure, and the plurality of lower-layer radiating fins 11 are electrically connected through the feed line 12.
The insulating support plate 20 is made of insulating materials such as plastics and ceramics, a radiation support area 21 is arranged corresponding to each lower radiation piece 11, and the number of the radiation support areas 21 corresponds to the number of the lower radiation pieces 11 and is used for supporting the lower end of the lower radiation piece 11. Each radiation support area 21 is provided with at least one support column 25 and a plurality of first vent holes 23-24, and the first vent holes 23-24 are used for adjusting the dielectric constant under the lower radiation sheet 11 to be equivalent to air as much as possible. The supporting columns 25 are used for clamping and fixing the lower-layer radiation piece 11, specifically, the supporting columns 25 pass through the first clamping holes 13 to fix the lower-layer radiation piece 11, and the number and the shape of the supporting columns 25 are not particularly limited. And the insulating support plate 20 is provided with a feeding support area 26 corresponding to the feeding line 12, the feeding support area 26 being used for providing support for the lower end of the feeding line 12. The feeding support area 26 includes a plurality of supports 22 and a plurality of second ventilation holes 27 arranged in a cross manner, and the second ventilation holes 27 are used for adjusting the dielectric constant under the feeding line 12 to be equivalent to air as much as possible, and the medium passing through the radiation support area 21, the feeding support area 26 and the air is used as the medium of the integrated radiation and feeding unit 10.
The integrated air dielectric radiation unit 100 breaks the curing structure of the existing base station antenna, and realizes integration, low cost, high quality and high gain. According to the invention, the insulating support plate 20 and the air are used as media of the lower-layer radiation unit 11 and the feed circuit 12, and a PCB (printed Circuit Board) is not required to be used as a feed network, so that the cost is greatly reduced; meanwhile, the lower-layer radiating unit 11 and the feeder line 12 are integrated by air, so that welding between the lower-layer radiating unit 11 and the feeder line 12 is avoided, the production working hours are greatly reduced particularly for a 5G base station antenna with a large number of ports, and the problems of poor contact and consistency caused by welding and void ratio caused by welding are avoided, so that the product quality is improved; in addition, because air is a low-loss medium, the gain of the whole base station antenna is improved compared with the traditional base station antenna which relies on a PCB board as a feed network. The invention not only realizes low cost, integration on structure, but also realizes high quality and high gain on performance.
The integrated air dielectric radiation unit 100 of the invention is particularly suitable for 5G base station antennas, but can be used for 5G base station antennas and can also be expanded to other base station antennas. Such as a 4G mainstream multi-frequency nested antenna or a future 6G base station antenna.
Preferably, the integrated radiating and feeding unit 10 is integrally formed by etching a metal material, so that the processing precision is higher and the size can be more fine. Of course, the integrated radiating and feeding unit 10 may also be manufactured by a stamping process or the like. Preferably, the integrated radiation and feed unit 10 may be made of aluminum alloy, has a conductive function and a low cost, and avoids welding between the radiation unit and the feed line, thereby reducing assembly time and avoiding welding void ratio.
Preferably, the number of the lower radiation plates 11 is N, and N is an integer greater than or equal to 2. The N lower-layer radiating fins 11 are electrically connected through the feed circuit 12, the feed circuit 12 is used as a power division feed structure, an N-in-1 wiring form is adopted, and the wiring form is simple and compact in structure.
Preferably, the integrated radiation and power feeding unit 10 further has a connection hole 14, and the connection hole 14 is electrically connected to the power feeding line 12, the antenna connector 500 and/or the back component, respectively. In this embodiment, the integrated radiation and power feeding unit 10 includes 2 connection holes 14, but the number of the connection holes 14 is not particularly limited, and may be arbitrarily set according to actual needs.
The insulating support plate 20 and the air serve as a medium for the feeding line 12 and the lower radiation unit 11. Preferably, the insulating support plate 20 is made of a plastic material by integral injection molding, such as an integral open-mold plastic part. Preferably, the insulating support plate 20 is made of a high-temperature-resistant plastic material, and has stable performance in a predetermined temperature range, and the difference between the dielectric constant of the plastic material and the dielectric constant of the FR4 material is smaller than a predetermined second threshold, that is, the dielectric constants of the plastic material and the FR4 material are close to each other; and the loss tangent value of the plastic material is smaller than that of the FR4 material, so that the miniaturization of the base station antenna is facilitated.
Preferably, the radiation support area 21 of the insulating support plate 20 is provided with at least one pair of support posts 25, as shown in fig. 1 and 3, each pair of support posts 25 comprises a solid cylindrical support post 251 and a slotted cylindrical support post 252, and the combined structure of the solid cylindrical support post 251 and the slotted cylindrical support post 252 can firmly fix the lower radiation plate 11. In the present embodiment, there are 3 radiation support regions 21, and 4 support pillars 25, 2 solid cylindrical support pillars 251 and 2 slotted cylindrical support pillars 252, protrude from the middle of each radiation support region 21. Obviously, the number of the supporting columns 25 is not limited to 4, and may be set to any number as needed.
Preferably, the support 22 of the feeding support area 26 of the insulating support plate 20 is the area of the insulating support plate 20 between two adjacent second ventilation holes 27. More preferably, the support 22 includes a strip-shaped support 22, the second ventilation holes 27 include strip-shaped ventilation holes 27, and the strip-shaped support 22 and the strip-shaped ventilation holes 27 are periodically arranged to intersect on the feeding support region 26. The thickness of the support 22 of the feeding support area 26 is less than a predetermined first threshold, i.e. the design requires that the thickness of the support 22 is as thin as possible to reduce transmission losses, both for supporting the feeding line 12 and to make the dielectric constant under the feeding line 12 as equivalent as possible to air, minimizing losses.
Preferably, at least one lightening hole 28 is further formed on the insulation support plate 20, as shown in fig. 3, for lightening the overall weight of the insulation support plate 20. In the present embodiment, 2 irregular rectangular lightening holes 28 are included, but the number and shape of the lightening holes 28 are not particularly limited, and may be arbitrarily set according to actual needs. For example, the number of the lightening holes 28 may be any number, such as 1, 3, 4, 5, etc., and for example, the shape of the lightening holes 28 may be square, rectangular, circular, irregular, etc.
As shown in fig. 1 and 4, at least one upper radiation plate 30 is preferably correspondingly disposed on each lower radiation plate 11, at least one second fastening hole 31 is disposed on the upper radiation plate 30, the second fastening hole 31 is used for fixing with the insulating support plate 20, and specifically, the support column 25 of the insulating support plate 20 passes through the second fastening hole 31 to fix the upper radiation plate 30. The upper radiation sheet 30 is mainly used to widen the bandwidth of the radiation unit and increase the gain, the upper radiation sheet 30 may not be needed for the antenna with a narrower bandwidth, and a plurality of upper radiation sheets 30 may be added for the antenna with a wider bandwidth, that is, the upper radiation sheet 30 is not an essential component. In this embodiment, each upper radiation sheet 30 includes 4 circular second clipping holes 31, but the number and shape of the second clipping holes 31 are not particularly limited, and can be arbitrarily set according to actual needs. For example, the number of the second card holes 31 may be any number such as 1, 2, 3, 5, etc. For example, the second capture hole 31 may be any polygon such as a square, a rectangle, or a triangle, or an irregular shape.
Preferably, the lower radiation plate 11 is made of a metal material, preferably by a stamping process, and is cheap and easy to process. One or more layers of upper radiation sheets 30 may be disposed on each lower radiation sheet 11. In this embodiment, the upper radiation sheet 30 is square, as shown in fig. 1 and 4, but the shape of the upper radiation sheet 30 is not particularly limited, and may be arbitrarily set according to actual needs, for example, the upper radiation sheet 30 may also be any polygon such as a rectangle, a triangle, a trapezoid, etc., a circle, or an irregular shape.
Preferably, each side of the upper layer radiating patch 30 is further provided with at least one opening hole 32, and the opening hole 32 is used for reducing the size of the upper layer radiating patch 30, and the principle is that under a certain physical caliber, the length of the current routing is increased, so as to play a role in reducing the caliber. In this embodiment, the opening 32 is a T-shaped strip-shaped hole, as shown in fig. 1 and 4, the T-shaped strip-shaped hole can increase the current routing length to a greater extent, and plays a role in reducing the aperture. Of course, the opening hole 32 is not limited to this configuration, and may also be shaped as a rectangular hole, a square hole, a circular hole, an elliptical hole, an irregular hole, or the like.
Fig. 1 and 5 show the structure of a preferred base station antenna of the present invention, where the base station antenna 200 includes a reflection plate 300, and the reflection plate 300 is provided with an integrated air dielectric radiation unit 100 as shown in fig. 1 to 4.
Preferably, the base station antenna 200 is further provided with an antenna cover 400, the antenna covers 400 are disposed on the reflection plate 300 and together form a closed space, the integrated air dielectric radiation unit 100 is accommodated in the closed space, and the antenna cover 400 is used for protecting each component of the integrated air dielectric radiation unit 100 from being damaged.
The operation and implementation principle of the base station antenna 200 are described as follows:
the reflection plate 300 serves as a ground of the integrated radiation and power feeding unit 10; the insulating support plate 20 is used as a medium of the integrated radiation and feed unit 10 and is attached to the reflecting plate 300 or fixed on the reflecting plate 300 by plastic rivets; the integrated radiation and feed unit 10 is clamped on the insulating support plate 20, and finally the upper radiation sheet 30 is clamped on the insulating support plate 20 and connected with the back structure through the connecting hole 14.
In conclusion, the integrated air medium radiation unit and the antenna base station break through the solidification structure of the existing base station antenna, so that the performance is ensured, and the cost is reduced. The integrated air medium radiation unit comprises an integrated radiation and feed unit and an insulating support plate; the integrated radiation and feed unit comprises a lower radiation sheet and a feed circuit; the insulating support plate is provided with a radiation support area and a feed support area, each radiation support area is provided with a support column and a first vent hole, the support columns and the first vent holes are used for fixing the lower-layer radiation piece, and the first vent holes are used for adjusting the dielectric constant below the lower-layer radiation piece to be equivalent to air as far as possible; the feed supporting area comprises a plurality of supports and a plurality of second ventilation holes which are arranged in a crossed mode, the second ventilation holes are used for adjusting the dielectric constant below the feed circuit to be equivalent to air as far as possible, and the radiation supporting area, the feed supporting area and the air are used as media of the integrated radiation and feed unit. The invention adopts the integrated radiation and feed unit, and the insulating support plate and the air are used as the medium of the radiation unit and the feed circuit, so that a PCB (printed circuit board) is not needed as a feed network, and the cost is greatly reduced; meanwhile, the radiation unit and the feed circuit are integrated by air, so that welding between the radiation unit and the feed circuit is avoided, the production working hours can be reduced, and the problems of void ratio, poor contact and consistency caused by welding are avoided, so that the product quality is improved; and because air is a low-loss medium, the gain of the whole base station antenna is greatly improved compared with the traditional base station antenna which relies on a PCB board as a feed network. Therefore, the integrated air medium radiation unit and the base station antenna can realize integration, low cost, high quality and high gain. The invention is particularly suitable for 5G base station antennas.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. An integrated air dielectric radiating element, comprising:
the integrated radiation and feed unit comprises at least one lower-layer radiation piece and a feed circuit, wherein the lower-layer radiation piece is electrically connected with the feed circuit and is provided with at least one first clamping hole;
the integrated radiation and feed unit is fixed on the insulating support plate; the insulating support plate is provided with a radiation support area corresponding to each lower-layer radiation piece, each radiation support area is provided with at least one support column and a plurality of first vent holes, and the support columns penetrate through the first clamping holes to fix the lower-layer radiation pieces; and the insulating support plate is provided with a feed support area corresponding to the feed circuit, the feed support area comprises a plurality of supports and a plurality of second ventilation holes which are arranged in a cross mode, and the radiation support area, the feed support area and air are used as media of the integrated radiation and feed unit.
2. The integrated air dielectric radiant unit of claim 1 wherein the insulating support plate is made of plastic material by integral injection molding; and/or
The insulating support plate is also provided with at least one lightening hole; and/or
The support of the feed support area is an area of the insulating support plate between two adjacent second vent holes; and/or
The support comprises a bar-shaped support, and the second vent comprises a bar-shaped vent.
3. The integrated air-media radiating element of claim 1, wherein the thickness of the support of the feed support region is less than a predetermined first threshold; and/or
The insulating support plate is made of high-temperature-resistant plastic materials, the difference value between the dielectric constant of the plastic materials and the dielectric constant of the FR4 material is smaller than a preset second threshold value, and the loss tangent value of the plastic materials is smaller than that of the FR4 material; and/or
The radiation support area is provided with at least one pair of the support columns, and each pair of the support columns comprises a solid cylindrical support column and a slotted cylindrical support column.
4. The integrated air medium radiating element according to claim 1, wherein the integrated radiating and feeding element is further provided with connecting holes, and the connecting holes are electrically connected with the feeding circuit, the antenna connector and/or the back assembly respectively; and/or
The integrated radiation and feed unit is made of metal materials through an etching process or a stamping process.
5. The integrated air dielectric radiating element of claim 1, wherein the number of the lower radiating fins is N, where N is an integer greater than or equal to 2;
the N lower-layer radiating fins are electrically connected through the feed circuit, and the feed circuit adopts an N-in-1 wiring form.
6. The integrated air dielectric radiating unit of claim 1, wherein each lower radiating sheet is correspondingly provided with at least one upper radiating sheet, the upper radiating sheet is provided with at least one second clamping hole, and the supporting column of the insulating supporting plate penetrates through the second clamping hole to fix the upper radiating sheet.
7. The integrated air dielectric radiating element of claim 6, wherein each side of the upper radiating sheet is further provided with at least one open hole; and/or
The upper layer radiation sheet is made of a metal material; and/or
The upper layer radiation sheet is square, rectangular, round or irregular.
8. The integrated air media radiant unit of claim 7, wherein the open aperture is a T-shaped strip aperture.
9. A base station antenna, characterized in that, comprises a reflection plate, wherein at least one integrated air medium radiation unit according to any one of claims 1 to 8 is arranged on the reflection plate.
10. The base station antenna according to claim 9, further comprising an antenna housing disposed on the reflector plate and collectively forming an enclosed space in which the integrated air dielectric radiating element is received.
CN202110081790.0A 2021-01-21 2021-01-21 Integrated air medium radiation unit and antenna base station Pending CN112886188A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202110081790.0A CN112886188A (en) 2021-01-21 2021-01-21 Integrated air medium radiation unit and antenna base station
PCT/CN2021/073894 WO2022155985A1 (en) 2021-01-21 2021-01-27 Integrated air medium radiation unit and antenna base station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110081790.0A CN112886188A (en) 2021-01-21 2021-01-21 Integrated air medium radiation unit and antenna base station

Publications (1)

Publication Number Publication Date
CN112886188A true CN112886188A (en) 2021-06-01

Family

ID=76051608

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110081790.0A Pending CN112886188A (en) 2021-01-21 2021-01-21 Integrated air medium radiation unit and antenna base station

Country Status (2)

Country Link
CN (1) CN112886188A (en)
WO (1) WO2022155985A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114447579A (en) * 2021-06-04 2022-05-06 中兴通讯股份有限公司 Antenna element and antenna array

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101898967B1 (en) * 2012-01-26 2018-09-14 삼성전자주식회사 Antenna having broad bandwidth and high radiation efficiency
CN104409833A (en) * 2014-11-26 2015-03-11 摩比天线技术(深圳)有限公司 Antenna radiation unit and communication base station with same
CN204257814U (en) * 2014-11-27 2015-04-08 广州中海达卫星导航技术股份有限公司 Light-duty broadband GNSS measurement type antenna
CN105811069A (en) * 2016-04-05 2016-07-27 中国电子科技集团公司第二十研究所 Cavity structured global navigation satellite system (GNSS) antenna
CN106887686A (en) * 2017-03-24 2017-06-23 电子科技大学 Double frequency round polarized antenna based on fractal structure
CN209786182U (en) * 2019-05-30 2019-12-13 深圳市深大唯同科技有限公司 Antenna radiation unit and base station antenna
CN110534883B (en) * 2019-07-17 2021-07-20 天津大学 Broadband low-profile dual-polarized antenna adopting double-aperture coupling excitation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114447579A (en) * 2021-06-04 2022-05-06 中兴通讯股份有限公司 Antenna element and antenna array

Also Published As

Publication number Publication date
WO2022155985A1 (en) 2022-07-28

Similar Documents

Publication Publication Date Title
US7423595B2 (en) Dual-polarized microstrip structure
CN108736162B (en) Novel antenna unit suitable for 5G terminal device
CN1164009C (en) Antenna with two active radiators
AU2003204333B2 (en) A single or dual polarized molded dipole antenna having integrated feed structure
CN1650474A (en) Multi-band planar antenna
CN102130376A (en) Microstrip slot coupling fed triple-frequency dielectric resonant antenna
KR102510100B1 (en) Antenna for vehicle
CN114976583A (en) Millimeter wave antenna, device and electronic equipment
EP1143553A1 (en) Antenna device and communication terminal comprising the same
CN112886188A (en) Integrated air medium radiation unit and antenna base station
CN109560388B (en) Millimeter wave broadband circularly polarized antenna based on substrate integrated waveguide horn
US5774094A (en) Complementary bowtie antenna
WO2015172841A1 (en) A planar multilayer antenna
CN215266630U (en) Integrated air medium radiation unit and antenna base station
JP2020156077A (en) Antenna device, antenna module, and communication device
CN216671912U (en) Wifi antenna module and terminal equipment
CN110676561A (en) Radiating element and antenna of ultra-wideband dual-polarized LTE antenna
CN114628892A (en) PCB antenna and electronic equipment
CN109742521B (en) Dual-polarization radiating element and antenna
EP1754279A1 (en) Device comprising an antenna for exchanging radio frequency signals
Deng et al. A Novel Omni-directional Antenna with Low Gain Variations for WiFi Communications
EP1450437A1 (en) Ring-shaped embedded antenna
CN112216970B (en) Miniaturized high-gain flexible unmanned aerial vehicle antenna
CN217691625U (en) Radiator, antenna and base station
KR19990084408A (en) Planar antenna using multilayer dielectric with air layer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination