CN112886188B - Integrated air medium radiation unit and antenna base station - Google Patents
Integrated air medium radiation unit and antenna base station Download PDFInfo
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- CN112886188B CN112886188B CN202110081790.0A CN202110081790A CN112886188B CN 112886188 B CN112886188 B CN 112886188B CN 202110081790 A CN202110081790 A CN 202110081790A CN 112886188 B CN112886188 B CN 112886188B
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- 230000005855 radiation Effects 0.000 title claims abstract description 143
- 238000009423 ventilation Methods 0.000 claims abstract description 13
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- 239000000463 material Substances 0.000 claims description 20
- 239000004033 plastic Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- 230000001788 irregular Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 239000007769 metal material Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 238000005530 etching Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 9
- 238000003466 welding Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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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
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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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Abstract
The invention provides an integrated air medium radiation unit, comprising: the integrated radiation and feed unit comprises at least one lower radiation sheet and a feed circuit, wherein the lower radiation sheet is electrically connected with the feed circuit, and at least one first clamping hole is formed in the lower radiation sheet; the insulation support plates are provided with radiation support areas corresponding to the lower radiation sheets, 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 radiation sheets; 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 manner, and the radiation support area, the feed support area and the 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
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an integrated air medium radiation unit and an antenna base station.
Background
In the 4G (Fourth Generation, fourth generation mobile communication technology) network era, the network scale tends to be stable, but the frequency resource is short, and huge problems of energy consumption and network optimization exist. With the continuous improvement and innovation of related technologies, the method aims at realizing the whole network time Generation, provides better service for users, has wider bandwidth than 4G, is faster, gradually commercializes 5G (Fifth Generation mobile communication technology) networks with stronger coverage and downward extension, realizes new functions of everything interconnection, living cloud, intelligent interaction and the like, and enables various applications such as virtual reality, augmented reality, intelligent equipment, automatic driving, remote medical treatment, remote control and the like to become possible or more civilian.
But the defects of the 5G network are also exposed when the 5G network is commercial, the 5G base station antenna structure is solidified and mainly comprises a reflecting plate, a radiating unit, a PCB (Printed Circuit Board ) feed network, a back phase shifter, a filter, a connector and other components, the cost is limited in the solidifying mode, and the performances and the cost of various manufacturers are gradually converged. How to break the curing mode, which ensures the performance and reduces the cost, is a breaking difficulty of the current 5G research.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide an integrated air medium radiating element and antenna base station, which can realize integration, low cost, high quality and high gain.
In order to achieve the above object, the present invention provides an integrated air medium radiating unit comprising:
The integrated radiation and feed unit comprises at least one lower radiation sheet and a feed circuit, wherein the lower radiation sheet is electrically connected with the feed circuit, and at least one first clamping hole is formed in the lower radiation sheet;
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 sheet, 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 sheets; 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 manner, and the radiation support area, the feed support area and the air are used as media of the integrated radiation and feed unit.
According to the integrated air medium radiation unit, the insulating support plate is made of plastic materials through integrated injection molding; and/or
At least one lightening hole is also formed in the insulating supporting plate; and/or
The support of the feed support region is a region of the insulating support plate between two adjacent second vent holes; and/or
The support includes a bar-shaped support, and the second vent hole includes a bar-shaped vent hole.
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 insulation supporting plate is made of a high-temperature-resistant plastic material, the difference value between the dielectric constant of the plastic material and the dielectric constant of the FR4 material is smaller than a preset second threshold value, and the loss tangent value of the plastic material is smaller than that of the FR4 material; and/or
The radiation support area is provided with at least one pair of support columns, each pair of support columns comprising 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 further provided with a connecting hole, and the connecting hole is 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 radiation sheets are electrically connected through the feed circuit, and the feed circuit adopts an N-in-1 wiring mode.
According to the integrated air medium radiation unit, at least one upper radiation sheet is correspondingly arranged on each lower radiation sheet, at least one second clamping hole is formed in each upper radiation sheet, and the support column of the insulating support plate penetrates through the second clamping hole to fix the upper radiation sheet.
According to the integrated air medium radiation unit, each side edge of the upper radiation sheet is also provided with at least one opening hole; and/or
The upper radiation sheet is made of a metal material; and/or
The upper radiation sheet is square, rectangular, round or irregular.
According to the integrated air medium radiation unit, the opening holes are T-shaped strip-shaped holes.
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, an antenna housing is further arranged on the reflecting plate and forms a closed space together, and the integrated air medium radiation unit is accommodated in the closed space.
The integrated air medium radiation unit and the antenna base station break the curing structure of the existing base station antenna, thereby ensuring the performance and reducing the cost. The integrated air medium radiation unit comprises an integrated radiation unit, a 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 for fixing a lower radiation sheet and a first vent hole, and the first vent hole is used for adjusting the dielectric constant below the lower radiation sheet to be as equivalent as possible to air; 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 takes the insulating support plate and air as the medium of the radiation unit and the feed circuit, so that a PCB (printed circuit board) is not required to be taken as a feed network, and the cost is greatly reduced; meanwhile, the integration of the radiating unit and the feed line is realized by means of air, so that welding between the radiating unit and the feed line is avoided, the production time can be reduced, and the problems of void rate, poor contact and consistency caused by welding are avoided, thereby improving the product quality; 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 as a feed network. Therefore, the integrated air medium radiating 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 base station antenna of the present invention preferably having an integrated air medium radiating element;
FIG. 2 is a schematic diagram of the structure of an integrated radiating and feed unit of a preferred integrated air medium radiating unit of the present invention;
FIG. 3 is a schematic view of the structure of an insulating support plate of a preferred integrated air medium radiating element of the present invention;
FIG. 4 is a schematic view of the structure of the upper radiation sheet of the preferred integrated air medium radiation unit of the present invention;
fig. 5 is a schematic diagram of another preferred base station antenna structure according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of 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. Furthermore, 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.
Furthermore, certain terms are used throughout the specification and the claims that follow to refer to particular components or parts, and it will be understood by those of ordinary skill in the art that manufacturers may refer to a component or part by different terms or terminology. The present specification and the following claims do not take the form of an element or component with the difference in name, but rather take the form of an element or component with the difference in function as a criterion for distinguishing. 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. The term "coupled," as used herein, includes any direct or indirect electrical connection. Indirect electrical connection means include connection via other devices.
Fig. 1 to 4 show the structure of a preferred integrated air medium radiating element of the present invention, the integrated air medium radiating element 100 at least comprising an integrated radiating and feeding element 10 and an insulating support plate 20, the integrated radiating and feeding element 10 being fixed on the insulating support plate 20, wherein:
The integrated radiating and feeding unit 10 includes at least a lower radiating sheet 11 and a feeding circuit 12, the lower radiating sheet 11 is electrically connected with the feeding circuit 12, and at least a first clamping hole 13 is disposed on the lower radiating sheet 11. The integrated radiating and feeding unit 10 is implemented by integrating radiating units and feeding lines. In the present embodiment, the integrated radiating and feeding unit 10 includes 3 irregularly square lower radiating fins 11, but the number and shape of the lower radiating fins 11 are not particularly limited and may be arbitrarily set according to actual needs. The number of the lower radiation fins 11 may be any number of 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 clamping hole 13 is used for fixing the insulating support plate 20. In this embodiment, each lower radiation sheet 11 includes 4 circular first positioning holes 13, but the number and shape of the first positioning holes 13 are not particularly limited, and may be arbitrarily set according to actual needs. For example, the number of the first detent holes 13 may be any number such as 1,2,3, or 5. For example, the first detent hole 13 may be any polygonal shape such as square, rectangle, triangle, etc., or irregular shape. The feed line 12 serves as a power division feed structure, and the plurality of lower radiation fins 11 are electrically connected through the feed line 12.
The insulating support plate 20 is made of insulating materials such as plastic and ceramic, and is provided with a radiation support area 21 corresponding to each lower radiation sheet 11, and the number of the radiation support areas 21 corresponds to the number of the lower radiation sheets 11, so as to provide support for the lower ends of the lower radiation sheets 11. Each radiation supporting area 21 is provided with at least one supporting column 25 and a plurality of first ventilation holes 23-24, the first ventilation holes 23-24 being used to adjust the dielectric constant under the lower radiation piece 11 as equivalent as possible to air. The supporting columns 25 are used for clamping and fixing the lower-layer radiation sheet 11, specifically, the supporting columns 25 pass through the first clamping holes 13 to fix the lower-layer radiation sheet 11, and the number and shape of the supporting columns 25 are not particularly limited. And the insulating support plate 20 is provided with a feed support region 26 corresponding to the feed line 12, the feed support region 26 being for providing support for the lower end of the feed line 12. The feed support region 26 includes a plurality of supports 22 and a plurality of second vent holes 27 arranged in a crossing manner, and the second vent holes 27 are used to adjust the dielectric constant under the feed line 12 as equivalent as possible to air, and the radiation support region 21, the feed support region 26 and the air are used as a medium of the integrated radiation and feed unit 10.
The integrated air medium 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 air are used as the medium of the lower radiation unit 11 and the feed circuit 12, and a PCB (printed circuit board) is not needed as a feed network, so that the cost is greatly reduced; meanwhile, the integration of the lower radiation unit 11 and the feed line 12 is realized by means of air, so that the welding-free between the lower radiation unit 11 and the feed line 12 is realized, and particularly, the production working hours of a 5G base station antenna with huge port number can be greatly reduced, and meanwhile, the problems of poor contact and consistency 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 that of the traditional base station antenna which relies on a PCB as a feed network. The invention not only realizes low cost in cost and integration in structure, but also realizes high quality and high gain in performance.
The integrated air medium radiation unit 100 is particularly suitable for 5G base station antennas, but can be used for 5G base station antennas and can be expanded to other base station antennas. Such as multi-frequency nested antennas of the 4G main stream or future 6G base station antennas.
Preferably, the integrated radiating and feeding unit 10 is integrally manufactured from a metal material through an etching process, so that the machining precision is higher and the size is finer. Of course, the integrated radiation and power feeding unit 10 may also be manufactured by a stamping process. More preferably, the integrated radiating and feeding unit 10 may be made of aluminum alloy, and has a conductive function, low cost, no welding between the radiating unit and the feeding circuit, reduced assembly time, and no welding void ratio.
Preferably, the number of the lower radiation fins 11 is N, where N is an integer greater than or equal to 2. The N lower radiation sheets 11 are electrically connected through the feed circuit 12, the feed circuit 12 is used as a power division feed structure, and an N-in-1 wiring form is adopted, so that the wiring form is simple and compact in structure.
Preferably, the integrated radiating and feeding unit 10 is further provided with a connection hole 14, and the connection hole 14 is electrically connected to the feeding circuit 12, the antenna connector 500, and/or the back assembly, respectively. In this embodiment, the integrated radiating and 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 air serve as media for the feeder circuit 12 and the lower radiating element 11. Preferably, the insulating support plate 20 is made of plastic material by integral injection molding, such as an integral injection molded plastic piece. Preferably, the insulating support plate 20 is made of a high-temperature-resistant plastic material, the performance is stable in a preset 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 preset second threshold value, namely, the dielectric constants of the plastic material and the FR4 material are close to each other; and the loss tangent 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 supporting area 21 of the insulating supporting plate 20 is provided with at least one pair of supporting columns 25, as shown in fig. 1 and 3, each pair of supporting columns 25 includes a solid cylindrical supporting column 251 and a slotted cylindrical supporting column 252, and the combination structure of the solid cylindrical supporting column 251 and the slotted cylindrical supporting column 252 can firmly fix the lower radiation piece 11. In this embodiment, the radiation support area 21 includes 3 radiation support areas 21, and 4 support columns 25, namely 2 solid cylindrical support columns 251 and 2 slotted cylindrical support columns 252, extend from the middle position of each radiation support area 21. Obviously, the number of the support columns 25 is not limited to 4, and may be set to any number as required.
Preferably, the support 22 of the feed support region 26 of the insulating support plate 20 is the region of the insulating support plate 20 between two adjacent second ventilation holes 27. More preferably, the support 22 comprises a bar-shaped support 22 and the second ventilation holes 27 comprise bar-shaped ventilation holes 27, the bar-shaped support 22 and the bar-shaped ventilation holes 27 being periodically arranged alternately on the feeding support region 26. The thickness of the support 22 of the feed support region 26 is less than a predetermined first threshold, i.e., the thickness of the support 22 is designed to be as thin as possible to reduce transmission losses, both for supporting the feed line 12 and to minimize losses by having a dielectric constant under the feed line 12 that is as equivalent to air as possible.
Preferably, the insulating support plate 20 is further provided with at least one weight-reducing hole 28, as shown in fig. 3, for reducing the overall weight of the insulating support plate 20. In the present embodiment, the weight-reducing holes 28 are formed in 2 irregular rectangles, but the number and shape of the weight-reducing holes 28 are not particularly limited and may be arbitrarily set according to actual needs. For example, the number of the weight-reducing holes 28 may be any number of 1, 3, 4, 5, etc., and for example, the shape of the weight-reducing holes 28 may be square, rectangular, circular, irregular, etc.
As shown in fig. 1 and 4, each lower radiation sheet 11 is preferably provided with at least one upper radiation sheet 30, and the upper radiation sheet 30 is provided with at least one second clamping hole 31, where the second clamping hole 31 is used for fixing the insulating support plate 20, specifically, the support column 25 of the insulating support plate 20 passes through the second clamping hole 31 to fix the upper radiation sheet 30. The upper radiation sheet 30 is mainly used for widening the bandwidth of the radiation unit and improving the gain, the upper radiation sheet 30 may not be needed for an antenna with a narrower bandwidth, and a plurality of upper radiation sheets 30 may be added for an antenna with a wider bandwidth, i.e. the upper radiation sheet 30 is not an indispensable component. In this embodiment, each upper layer of radiation sheet 30 includes 4 circular second clamping holes 31, but the number and shape of the second clamping holes 31 are not particularly limited, and may be arbitrarily set according to actual needs. For example, the number of the second locking holes 31 may be any number of 1,2, 3, 5, or the like. For example, the second detent hole 31 may be any polygonal shape such as square, rectangle, triangle, etc., or irregular shape.
Preferably, the lower radiation sheet 11 is made of a metal material, preferably by a stamping process, and is inexpensive and easy to process. One or more upper radiation sheets 30 may be provided on each lower radiation sheet 11. In this embodiment, the upper layer radiation sheet 30 is square, as shown in fig. 1 and 4, but the shape of the upper layer radiation sheet 30 is not particularly limited, and may be arbitrarily set according to practical needs, for example, the upper layer radiation sheet 30 may be any polygon such as a rectangle, a triangle, a trapezoid, or the like, a circle, an irregular shape, or the like.
Preferably, each side of the upper layer radiating sheet 30 is further provided with at least one opening hole 32, and the opening holes 32 are used for reducing the size of the upper layer radiating sheet 30, which is based on the principle that the current routing length is increased under a certain physical caliber to play a role of reducing the caliber. In this embodiment, the opening hole 32 is a T-shaped bar hole, as shown in fig. 1 and 4, and the T-shaped bar hole can increase the current routing length to a greater extent, so as to reduce the caliber. Of course, the opening hole 32 is not limited to this structure, and may take the shape of a rectangular hole, a square hole, a round 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, the base station antenna 200 includes a reflection plate 300, and an integrated air medium radiation unit 100 as shown in fig. 1 to 4 is provided on the reflection plate 300.
Preferably, the base station antenna 200 is further provided with an antenna housing 400, the antenna housing 400 is disposed on the reflecting plate 300 and forms an enclosed space together, the integrated air medium radiating unit 100 is accommodated in the enclosed space, and the antenna housing 400 is used to protect the respective components of the integrated air medium radiating unit 100 from damage.
The use process and implementation principle of the base station antenna 200 antenna 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 attached to the reflection plate 300 as a medium of the integrated radiation and power feeding unit 10, or is fixed to the reflection plate 300 by plastic rivets; the integrated radiating and feeding unit 10 is clamped on the insulating support plate 20, and finally, the upper radiating sheet 30 is clamped on the insulating support plate 20, and is connected with the back structure through the connecting hole 14.
In summary, the integrated air medium radiation unit and the antenna base station break the curing structure of the existing base station antenna, thereby ensuring the performance and reducing the cost. The integrated air medium radiation unit comprises an integrated radiation unit, a 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 for fixing a lower radiation sheet and a first vent hole, and the first vent hole is used for adjusting the dielectric constant below the lower radiation sheet to be as equivalent as possible to air; 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 takes the insulating support plate and air as the medium of the radiation unit and the feed circuit, so that a PCB (printed circuit board) is not required to be taken as a feed network, and the cost is greatly reduced; meanwhile, the integration of the radiating unit and the feed line is realized by means of air, so that welding between the radiating unit and the feed line is avoided, the production time can be reduced, and the problems of void rate, poor contact and consistency caused by welding are avoided, thereby improving the product quality; 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 as a feed network. Therefore, the integrated air medium radiating 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.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention, as will be apparent to those 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 media radiating element, comprising:
The integrated radiation and feed unit comprises at least one lower radiation sheet and a feed circuit, wherein the lower radiation sheet is electrically connected with the feed circuit, and at least one first clamping hole is formed in the lower radiation sheet;
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 sheet, 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 sheets; 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 manner, and the radiation support area, the feed support area and air are used as media of the integrated radiation and feed unit;
the thickness of the support of the feed support region is less than a predetermined first threshold;
the integrated radiation and feed unit is made of metal materials through an etching process or a stamping process.
2. The integrated air medium radiating element of claim 1, wherein the insulating support plate is made of plastic material by integral injection molding; and/or
At least one lightening hole is also formed in the insulating supporting plate; and/or
The support of the feed support region is a region of the insulating support plate between two adjacent second vent holes; and/or
The support includes a bar-shaped support, and the second vent hole includes a bar-shaped vent hole.
3. An integrated air medium radiating element according to claim 1, characterized in that and/or
The insulation supporting plate is made of a high-temperature-resistant plastic material, the difference value between the dielectric constant of the plastic material and the dielectric constant of the FR4 material is smaller than a preset second threshold value, and the loss tangent value of the plastic material is smaller than that of the FR4 material; and/or
The radiation support area is provided with at least one pair of support columns, each pair of support columns comprising a solid cylindrical support column and a slotted cylindrical support column.
4. The integrated air-dielectric radiating element according to claim 1, further comprising connection holes electrically connected to the feed line, the antenna connection and/or the back assembly, respectively.
5. The integrated air media radiating element of claim 1, wherein the lower layer radiating patch is N, N being an integer greater than or equal to 2;
The N lower radiation sheets are electrically connected through the feed circuit, and the feed circuit adopts an N-in-1 wiring mode.
6. The integrated air medium radiation unit according to claim 1, wherein at least one upper radiation sheet is correspondingly arranged on each lower radiation sheet, at least one second clamping hole is arranged on each upper radiation sheet, and the support column of the insulating support plate passes through the second clamping hole to fix the upper radiation sheet.
7. The integrated air media radiating element of claim 6, wherein each side of the upper radiating patch is further provided with at least one open aperture; and/or
The upper radiation sheet is made of a metal material; and/or
The upper radiation sheet is square, rectangular, round or irregular.
8. The integrated air media radiating element of claim 7, wherein the open aperture is a T-shaped bar aperture.
9. A base station antenna, characterized by comprising a reflecting plate, on which at least one integrated air medium radiation unit according to any one of claims 1-8 is arranged.
10. The base station antenna of claim 9, further comprising an antenna housing disposed on the reflector plate and collectively forming an enclosed space, the integrated air medium radiating element being housed in the enclosed space.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110081790.0A CN112886188B (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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110081790.0A CN112886188B (en) | 2021-01-21 | 2021-01-21 | Integrated air medium radiation unit and antenna base station |
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| CN112886188A CN112886188A (en) | 2021-06-01 |
| CN112886188B true CN112886188B (en) | 2024-08-06 |
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| CN114447579A (en) * | 2021-06-04 | 2022-05-06 | 中兴通讯股份有限公司 | Antenna element and antenna array |
| CN114335981A (en) * | 2021-12-31 | 2022-04-12 | 摩比天线技术（深圳）有限公司 | Radiation unit with support frame and base station antenna |
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| CN200953381Y (en) * | 2006-06-21 | 2007-09-26 | 华为技术有限公司 | Base station antenna |
| 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 |
| WO2018049651A1 (en) * | 2016-09-18 | 2018-03-22 | 华为技术有限公司 | Wireless network antenna and communication device |
| CN106887686A (en) * | 2017-03-24 | 2017-06-23 | 电子科技大学 | Double frequency round polarized antenna based on fractal structure |
| CN109216929A (en) * | 2018-08-03 | 2019-01-15 | 西安电子科技大学 | Broad-band slot coupling multilayer microstrip antenna based on feeding substrate integrated waveguide |
| CN112018504A (en) * | 2019-05-30 | 2020-12-01 | 深圳市深大唯同科技有限公司 | Antenna radiation unit and base station antenna |
| 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 |
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