CN113964500A - Radiation unit assembly and antenna - Google Patents
Radiation unit assembly and antenna Download PDFInfo
- Publication number
- CN113964500A CN113964500A CN202111376341.5A CN202111376341A CN113964500A CN 113964500 A CN113964500 A CN 113964500A CN 202111376341 A CN202111376341 A CN 202111376341A CN 113964500 A CN113964500 A CN 113964500A
- Authority
- CN
- China
- Prior art keywords
- feed
- feeding
- component
- balun
- phase
- 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.)
- Granted
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 58
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 230000010287 polarization Effects 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 230000008054 signal transmission Effects 0.000 claims description 10
- 238000003466 welding Methods 0.000 abstract description 11
- 230000010363 phase shift Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 238000010295 mobile communication Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention provides a radiation unit component and an antenna, wherein the radiation unit component comprises: the feed structure comprises a half-wave oscillator, a feed balun, a transmission line, a first feed component and a second feed component; the feed balun is fixed at the bottom of the half-wave oscillator, a cavity is formed in the feed balun, the first feed assembly penetrates through the half-wave oscillator and the cavity in the feed balun from top to bottom and then extends out of the bottom of the feed balun, the second feed assembly is arranged at the bottom of the feed balun, and the first feed assembly is connected with the half-wave oscillator and the second feed assembly through a transmission line. The antenna includes: the phase-shifting network component and the radiation unit array arranged on the phase-shifting network component; the phase-shifting network component comprises two phase-shifting networks working in different frequency bands, and the first feed component and the second feed component of each radiation unit component are respectively and electrically connected with the output ends of the phase-shifting networks in the two frequency bands. The technical scheme provided by the invention solves the technical problems of complex structure and numerous connection points and welding points of the existing antenna network.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a radiating element assembly and an antenna.
Background
With the rapid development of the Technology in the field of Mobile communications, the requirement of a Communication base station for an antenna is higher and higher, and the multi-frequency electric tuning antenna becomes the first choice of the base station in combination with the current situation of Mobile Communication multi-system operation and base station address selection difficulty, especially in a 5G (5th Generation Mobile Communication Technology, fifth Generation Mobile Communication Technology) network era, a single antenna is required to integrate all 4G (4th Generation Mobile Communication Technology, fourth Generation Mobile Communication Technology) network antennas, a plurality of antenna arrays are arranged in the antenna, and meanwhile, an iron tower company requires that the smaller the windward area of the antenna is, the better the lighter the weight is, and therefore, the miniaturization design of the antenna section becomes a development trend.
In the antenna section miniaturization design, the antenna array layout is compact among a plurality of frequency bands, so that the antenna radiation performance is deteriorated, and the network coverage quality is affected. Therefore, in order to realize the design of the miniaturized cross section, the antenna array needs to realize independent operation of multiple frequency bands without increasing, and the multiplexing scheme of the radiation unit is widely applied.
In the existing radiation unit multiplexing scheme, a radiation unit needs to be connected with a combiner to divide two ports so as to be connected with different phase-shifting networks, and although the scheme realizes independent work of different frequency bands on the premise that an antenna array is not added, two groups of phase-shifting networks match the superposition layout of a group of radiation unit arrays and a combiner in a limited array space, so that the network composition structure of the antenna is complex, and meanwhile, a plurality of connection points and welding points exist, and great challenges are brought to the batch production of the antenna.
Disclosure of Invention
The invention is completed in order to at least partially solve the technical problems of complex antenna structure and numerous connection points and welding points caused by the fact that the radiating unit needs to be connected with the combiner in the prior art.
According to an aspect of the present invention, there is provided a radiation unit assembly comprising: the feed structure comprises a half-wave oscillator, a feed balun, a transmission line, a first feed component and a second feed component; the feeding balun is fixed at the bottom of the half-wave oscillator, a cavity is formed in the feeding balun, the first feeding component penetrates through the half-wave oscillator and the cavity in the feeding balun from top to bottom and then extends out of the bottom of the feeding balun, the second feeding component is arranged at the bottom of the feeding balun, and the first feeding component is connected with the half-wave oscillator and the second feeding component through a transmission line.
Optionally, the first feeding assembly includes a first feeding piece and a second feeding piece, and the second feeding assembly includes a first feeding column and a second feeding column; the first feed piece and the second feed piece respectively penetrate through different cavities in the half-wave oscillator and the feed balun from top to bottom and then extend out of the bottom of the feed balun, the tops of the first feed piece and the second feed piece are electrically connected or coupled with the half-wave oscillator, and the lower portions extending out of the bottom of the feed balun are respectively connected with the tops of the first feed column and the second feed column through a transmission line.
Optionally, the first feed tab and the second feed tab are both strip-shaped structures, and the lower portions of the first feed tab and the second feed tab are provided with through holes; the first feed column and the second feed column are both in nail-shaped structures, and the tips of the first feed column and the second feed column are downward; one ends of the two transmission lines are respectively inserted into the through holes at the lower parts of the first feed sheet and the second feed sheet and welded at the through holes, and the other ends of the two transmission lines are respectively welded at the tops of the first feed column and the second feed column.
Optionally, the first feeding sheet and the second feeding column are arranged in an orthogonal polarization manner; the first feed column and the second feed plate are arranged in an orthogonal polarization mode.
Optionally, the transmission line is a coaxial cable transmission line and is U-shaped; the openings of the two U-shaped transmission lines are opposite and symmetrically arranged, and the middle parts of the two U-shaped transmission lines extend outwards and protrude out of the side face of the feed balun.
Optionally, the half-wave resonators are specifically two groups of half-wave resonators with orthogonal polarizations, and two arms of each group of half-wave resonators are metal pieces distributed symmetrically.
Optionally, each metal piece is a rectangular sheet structure, and a plurality of through holes in a preset shape are formed in the metal piece.
Optionally, the radiation unit assembly further comprises: the fixing piece is arranged at the bottom of the feed balun; the first feeding assembly and the second feeding assembly penetrate through the fixing piece, and the fixing piece fixes the second feeding assembly to the bottom of the feeding balun.
According to another aspect of the present invention, there is provided an antenna comprising: the phase-shifting network component and a radiation unit array which is arranged on the phase-shifting network component and consists of a plurality of radiation unit components; the phase-shifting network component comprises two phase-shifting networks working in different frequency bands, a first feed component of each radiation unit component is electrically connected with the output end of the phase-shifting network in one frequency band, and a second feed component is electrically connected with the output end of the phase-shifting network in the other frequency band.
Optionally, each phase shifting network comprises a signal transmission network and a component slidable with respect to said signal transmission network and for phase shifting said signal transmission network.
Optionally, the phase shifting network component further comprises a filter circuit disposed at an output of each phase shifting network.
Optionally, the operating frequency bands of the two phase shifting networks are selected from 1695 + 2170MHz/2490 + 2690MHz, 1427 + 2170MHz/2490 + 2690MHz or 1427 + 1880MHz/2300 + 2690 MHz.
The technical scheme provided by the invention can have the following beneficial effects:
according to the radiation unit component provided by the invention, the first feed component is respectively connected with the half-wave oscillator and the second feed component, so that the radiation unit component is not required to be connected with a combiner, the free end of the first feed component and the free end of the second feed component can be directly connected to different phase-shifting networks as two ports, and the whole structure is simple. According to the antenna provided by the invention, the plurality of radiation unit assemblies form the radiation unit array and are directly fixed on the phase-shifting network assemblies working in different frequency bands, the network composition structure of the whole antenna is simple, the number of connection points and welding points is small, and the antenna is suitable for batch production.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is an isometric view of a radiation unit assembly provided by an embodiment of the present invention;
fig. 2 is a back view of a radiating element assembly provided by an embodiment of the present invention;
fig. 3 is an exploded view of a radiation unit assembly provided by an embodiment of the present invention;
fig. 4 is a front view of an antenna provided by an embodiment of the present invention;
fig. 5 is a rear view of an antenna provided by an embodiment of the present invention;
fig. 6 is an isometric view of an antenna provided by an embodiment of the present invention;
fig. 7 is an exploded view of an antenna according to an embodiment of the present invention.
In the figure: 1-half wave oscillator; 2-a first feeding component; 21-a first feed tab; 22-a second feed tab; 3-a second feeding component; 31-a first feeding column; 32-a second feeding column; 4-a transmission line; 5-a fixing piece; 6-a radiating element assembly; 7-a phase shifting network component; 8-feed balun; 9-upper phase shift network; 10-lower phase shifting network; 11-shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order; furthermore, the embodiments and features of the embodiments of the present invention may be arbitrarily combined with each other without conflict.
As shown in fig. 1 to 3, an embodiment of the present invention provides a radiation unit assembly, which includes: the feed structure comprises a half-wave oscillator 1, a feed balun 8, a transmission line 4, a first feed component 2 and a second feed component 3; the feeding balun 8 is fixed at the bottom of the half-wave oscillator 1, a cavity is formed in the feeding balun 8, the first feeding component 2 penetrates through the half-wave oscillator 1 and the cavity in the feeding balun 8 from top to bottom and then extends out of the bottom of the feeding balun 8, the second feeding component 3 is arranged at the bottom of the feeding balun 8, and the first feeding component 2 is connected with the half-wave oscillator 1 and the second feeding component 3 through the transmission line 4.
In this embodiment, the first feeding component is connected to the half-wave oscillator and the second feeding component, so that the radiation unit component does not need to be connected to the combiner, and the free end of the first feeding component and the free end of the second feeding component can be directly connected to different phase-shifting networks as two ports.
In a specific embodiment, the half-wave oscillator 1 is specifically two groups of half-wave oscillators with orthogonal polarization, and two arms of each group of half-wave oscillators are symmetrically distributed metal pieces.
In this embodiment, the two groups of half-wave oscillators are specifically two groups of half-wave oscillators which are mutually orthogonal to form a ± 45 ° dual-polarized radiation characteristic, wherein the dual polarization is respectively positive 45 ° polarization and negative 45 ° polarization; each group of half-wave oscillators is provided with two radiation arms, and the two groups of half-wave oscillators are provided with four radiation arms in total, the four radiation arms are distributed in a grid shape like Chinese character tian, and the arrangement mode can effectively remove the coupling between double polarizations; the two arms of each half-wave oscillator are equal in length, and the total length of the two half-wave oscillators is one half of the wavelength of the central frequency point (namely, the length of each arm is one quarter of the wavelength) so as to form a half-wave symmetrical oscillator.
Preferably, the half-wave oscillator 1 is arranged coaxially with the feed balun 8. Further, the half-wave resonator 1 and the feeding balun 8 are made of the same material, and may be made of an aluminum alloy or a non-magnetic metal material, for example, which are vertically disposed and formed into an integral structure.
In this embodiment, the half-wave oscillator and the feed balun are integrally formed, so that the manufacturing is facilitated.
In one embodiment, each metal piece is a rectangular sheet structure, and a plurality of through holes with preset shapes are formed in the metal piece.
In this embodiment, each metal member is a rectangular metal sheet (preferably a square metal sheet) with a certain shape hollowed out thereon, and each hollowed-out portion is formed as a through hole.
As shown in fig. 1 and 2, each rectangular metal sheet may be provided with three through holes, specifically, a square hole and two right-angled triangular through holes. The right angles of the two right-angled triangular through holes are respectively positioned at two opposite angles of the rectangular metal sheet, the two right-angled triangular through holes are equal in size and are symmetrically arranged, a strip-shaped structure is formed between the two right-angled triangular through holes, the square holes are clamped between the two right-angled triangular through holes and are arranged on the strip-shaped structure, and the strip-shaped structures where the square holes of the four rectangular metal sheets are positioned are arranged in a cross shape; in addition, the area of the square hole is small, and the area of the right-angled triangle through hole is large, and specifically, the area of the right-angled triangle through hole is several times (for example, 6 to 12 times) larger than that of the square hole. The hypotenuse of the right-angled triangle through hole can be a smooth straight edge or a non-straight edge formed by multiple segments of lines, and the included angle between every two adjacent segments is an obtuse angle.
In one embodiment, the first feeding assembly 2 comprises a first feeding sheet 21 and a second feeding sheet 22, and the second feeding assembly 3 comprises a first feeding column 31 and a second feeding column 32; the first feed piece 21 and the second feed piece 22 respectively penetrate through different cavities inside the half-wave oscillator 1 and the feed balun 8 from top to bottom and then extend out of the bottom of the feed balun 8, the tops of the first feed piece 21 and the second feed piece 22 are electrically connected or coupled with the half-wave oscillator 1, and the lower portions extending out of the bottom of the feed balun 8 are respectively connected with the tops of the first feed column 31 and the second feed column 32 through one transmission line 4.
It can be seen that the top of the first feeding piece 21 and the second feeding piece 22 is a feeding portion, the lower portion thereof is a welding portion, the feeding portion is connected to the half-wave oscillator, and the welding portion penetrates through the internal cavity structure of the feeding balun and penetrates out from the bottom of the feeding balun to the back of the radiating element, and then is connected to the first feeding column 31 and the second feeding column 32 through the two transmission lines 4.
In this embodiment, after the first feeding tab 21 and the second feeding tab 22 extend downward from the right above the half-wave oscillator 1, one end of each of the first feeding tab and the second feeding tab is electrically connected or coupled with the half-wave oscillator 1, and the other end of each of the first feeding tab and the second feeding tab passes through different cavities inside the feeding balun 8 to realize mutual insulation, and then extends out from the bottom of the feeding balun 8 for signal transmission; one ends of the two transmission lines 4 are respectively connected with the lower parts of the first feeding piece 21 and the second feeding piece 22 to form a one-to-two power divider, and the other ends of the two transmission lines 4 (i.e. the other ends of the power divider) are respectively connected with the tops of the first feeding column 31 and the second feeding column 32. It can be seen that, in this embodiment, port separation is achieved by a specific connection manner of two transmission lines with the first feeding component and the second feeding component, where a bottom end (free end) of the first feeding component is used as one port, and a bottom end (free end) of the second feeding component is used as another port, and these two ports can be directly connected to different phase shifting networks, so as to implement multiplexing of radiation units.
In one embodiment, the first feeding tab 21 and the second feeding tab 22 are both of a strip structure, and the lower portion thereof is provided with a through hole; the first feeding column 31 and the second feeding column 32 are both nail-shaped structures, and the tips of the first feeding column and the second feeding column face downwards; one end of each of the two transmission lines 4 is inserted into a through hole at the lower part of the first feeding piece 21 and the second feeding piece 22 and is welded at the through hole (here, a welding point), and the other end is welded at the top of the first feeding column 31 and the second feeding column 32 (here, a welding point). Of course, the length of the feeding column is smaller than that of the feeding sheet, for example, the length of the feeding sheet is 3-5 times of the length of the feeding column.
In this embodiment, the first/second feeding sheet of the strip-shaped structure and the first/second feeding column of the nail-shaped structure are connected through the transmission line to realize port separation, and the structure is simple, the number of welding points is small, and the mass production is suitable.
Furthermore, the bottom ends of the first feeding piece 21 and the second feeding piece 22 are respectively provided with a downward extending strip-shaped protrusion, so as to be inserted into the corresponding phase shifting network and connected with the output end of the phase shifting network.
In one embodiment, the first feeding sheet 21 and the second feeding column 32 are arranged orthogonally polarized; the first feed column 22 and the second feed plate 31 are arranged orthogonally polarized.
Further, the first feeding tab 21, the second feeding tab 22, the first feeding post 31 and the second feeding post 32 are spaced apart from each other to ensure a distance between polarizations.
In this embodiment, the phase difference between the first feeding sheet 21 and the second feeding column 32 is 180 degrees, and the phase difference between the first feeding column 22 and the second feeding sheet 31 is 180 degrees, so that differential feeding can be performed on the half-wave oscillator, and balanced current can be realized without additionally providing a balancing structure.
In one embodiment, the transmission line 4 is embodied as a coaxial cable transmission line and is U-shaped; the openings of the two U-shaped transmission lines are opposite and symmetrically arranged, and the middle parts of the two U-shaped transmission lines extend outwards and protrude out of the side face of the feed balun 8.
In this embodiment, two ends of the U-shaped coaxial cable transmission line extend into the bottom of the feeding balun 8 and are connected to the lower portion of the first feeding tab 21 (the second feeding tab 22) and the top of the first feeding post 31 (the second feeding post 32), respectively, and the middle portion of the U-shaped coaxial cable transmission line extends outward from the bottom of the feeding balun 8, so that most of the coaxial cable transmission line protrudes out of the side surface of the feeding balun 8.
As shown in fig. 1 and 3, the radiation unit assembly further includes: the fixing piece 5 is arranged at the bottom of the feed balun 8; the first feeding component 2 and the second feeding component 3 both pass through the fixing element 5, and the fixing element 5 fixes the second feeding component 3 at the bottom of the feeding balun 8.
In this embodiment, the fixing member 5 supports the second feeding component 3, so that the transmission line 4 and the second feeding component 3 are fixed, and displacement in practical application is avoided.
In the radiation unit assembly provided by the embodiment of the invention, one end of each of the first feed piece and the second feed piece is connected with the half-wave oscillator, the other end of each of the first feed piece and the second feed piece extends out from the bottom of the feed balun after penetrating through different cavities in the feed balun from top to bottom, one end of each of two transmission lines is connected with the lower portion of each of the first feed piece and the second feed piece extending out from the bottom of the feed balun to form a power divider which divides into two parts, the other end of each of the two transmission lines is connected with the top of each of the first feed column and the second feed column, the bottom ends of the first feed column and the second feed column are used as one port, the bottom ends of the first feed column and the second feed column are used as the other port, and the structures are mutually matched to form a multiplexing dual-polarization radiation unit assembly integrating electromagnetic wave radiation and feed functions.
As shown in fig. 4 to 7, an embodiment of the present invention further provides an antenna, which includes: the phase-shifting network component 7 and a radiation unit array which is arranged on the phase-shifting network component and consists of a plurality of radiation unit components 6 in the previous embodiment; the phase shift network component 7 comprises two phase shift networks working in different frequency bands, a first feed component of each radiation unit component 6 is electrically connected with the output end of the phase shift network in one frequency band, and a second feed component is electrically connected with the output end of the phase shift network in the other frequency band.
The radiation unit array can be a linear array or a rectangular array. The radiation unit assembly is specifically the multiplexing dual-polarization radiation unit assembly.
In the embodiment, the plurality of radiation unit assemblies form the radiation unit array and are directly fixed on the phase-shifting network assemblies working in different frequency bands, the network composition structure of the whole antenna is simple, the number of connection points and welding points is small, and the antenna is suitable for batch production.
Further, as shown in fig. 6 and 7, two phase shift networks are stacked up and down, the upper phase shift network 9 and the lower phase shift network 10 operate in different frequency bands, and the left and right parts of each phase shift network respectively correspond to different polarizations (positive 45 ° polarization and negative 45 ° polarization) of the antenna.
The first feed assembly and the second feed assembly of each radiation unit assembly are respectively and electrically connected with the output ends of the upper phase-shifting network and the lower phase-shifting network to realize multiplexing of the same radiation unit assembly, a half-wave oscillator is not needed to be connected with a combiner independently, meanwhile, the cable structure of the phase shifter connected with the radiation units can be reduced to the maximum extent, and the simplified design of the combined multiplexing antenna is realized.
Specifically, one end of the first feed component of each radiation element component, which penetrates out of the back face of the radiation element, penetrates through the upper phase-shifting network 9 and then is inserted into the lower phase-shifting network 10 to be electrically connected with the output end of the lower phase-shifting network; one end of the second feed component of each radiation element component, which penetrates out of the back surface of the radiation element, is inserted into the upper phase-shifting network 9 and is electrically connected with the output end of the upper phase-shifting network.
In this embodiment, the multiplexing dual-polarized radiation unit assembly is combined with the phase-shifting networks which are stacked up and down and work in different frequency bands, and acts on the two feed systems to form two antennas which work independently, so that the number of antenna arrays can be reduced, the layout of the antenna radiation array can be simplified, the assembly process can be reduced, and the weight of the antenna can be reduced.
In one embodiment, the phase shifting network assembly further comprises a housing 11; the interior of the shell 11 is divided into an upper layer inner cavity and a lower layer inner cavity, the upper layer phase-shifting network 9 is arranged in the upper layer inner cavity, the lower layer phase-shifting network 10 is arranged in the lower layer inner cavity, and the multiplexing dual-polarization radiation unit assembly 6 is fastened on the upper surface of the shell 11.
In one embodiment, each phase shifting network comprises a signal transmission network and a component slidable relative to the signal transmission network for phase shifting the signal transmission network.
In one embodiment, the phase shifting network component further comprises a filter circuit disposed at an output of each phase shifting network.
In the embodiment, the filtering circuit is arranged in the vertically stacked phase-shifting network, and the combiner of the multiplexing radiation unit is eliminated, so that the network composition structure of the antenna is simplified, and the assembly process and the complexity of the whole machine are reduced.
In one embodiment, the operating frequency bands of the two phase shifting networks are selected from 1695-.
In this embodiment, three choices are provided for the working frequency ranges of the two phase shifting networks, which are 1695-.
The antenna provided by the embodiment of the invention has the advantages that aiming at the requirements of miniaturization and high performance of the existing broadband multi-frequency antenna, the multiplexing dual-polarized radiation unit array is directly arranged on the phase-shifting network which is stacked up and down and works in different frequency bands, so that two antennas which work independently are formed, the working frequency bands can be selected in different frequency band ranges according to the requirements, and the antenna can be produced and assembled simply, and is easy to operate and high in efficiency; in addition, the multiplexing dual-polarization radiation unit array integration and phase-shifting network feed connection structure enables a phase-shifting network and the radiation units not to need welding phase matching cables, so that an electroplating link can be omitted, the processing procedures and difficulty of the phase-shifting network are reduced, and the cost can be reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (12)
1. A radiating element assembly, comprising: the feed structure comprises a half-wave oscillator, a feed balun, a transmission line, a first feed component and a second feed component; the feeding balun is fixed at the bottom of the half-wave oscillator, a cavity is formed in the feeding balun, the first feeding component penetrates through the half-wave oscillator and the cavity in the feeding balun from top to bottom and then extends out of the bottom of the feeding balun, the second feeding component is arranged at the bottom of the feeding balun, and the first feeding component is connected with the half-wave oscillator and the second feeding component through a transmission line.
2. The radiating-element assembly of claim 1, wherein the first feed assembly comprises a first feed tab and a second feed tab, and the second feed assembly comprises a first feed post and a second feed post; the first feed piece and the second feed piece respectively penetrate through different cavities in the half-wave oscillator and the feed balun from top to bottom and then extend out of the bottom of the feed balun, the tops of the first feed piece and the second feed piece are electrically connected or coupled with the half-wave oscillator, and the lower portions extending out of the bottom of the feed balun are respectively connected with the tops of the first feed column and the second feed column through a transmission line.
3. The radiating element assembly of claim 2, wherein the first feeding tab and the second feeding tab are both of an elongated structure, and a through hole is formed at a lower portion thereof; the first feed column and the second feed column are both in nail-shaped structures, and the tips of the first feed column and the second feed column are downward; one ends of the two transmission lines are respectively inserted into the through holes at the lower parts of the first feed sheet and the second feed sheet and welded at the through holes, and the other ends of the two transmission lines are respectively welded at the tops of the first feed column and the second feed column.
4. The radiating-element assembly of claim 3, wherein the first feed tab and the second feed post are disposed orthogonally polarized; the first feed column and the second feed plate are arranged in an orthogonal polarization mode.
5. The radiating element assembly of claim 3, wherein the transmission line is embodied as a coaxial cable transmission line and is U-shaped; the openings of the two U-shaped transmission lines are opposite and symmetrically arranged, and the middle parts of the two U-shaped transmission lines extend outwards and protrude out of the side face of the feed balun.
6. The radiating element assembly of any one of claims 1-5, wherein the half-wave resonators are two sets of half-wave resonators with orthogonal polarizations, and two arms of each set of half-wave resonators are symmetrically distributed metal pieces.
7. The radiating element assembly of claim 6, wherein each of the metallic members is a rectangular plate-like structure with a plurality of through holes of a predetermined shape.
8. The radiating element assembly of any one of claims 1-5, further comprising: the fixing piece is arranged at the bottom of the feed balun; the first feeding assembly and the second feeding assembly penetrate through the fixing piece, and the fixing piece fixes the second feeding assembly to the bottom of the feeding balun.
9. An antenna, comprising: a phase shifting network component and a radiation unit array which is arranged on the phase shifting network component and consists of a plurality of radiation unit components as claimed in any one of claims 1 to 8; the phase-shifting network component comprises two phase-shifting networks working in different frequency bands, a first feed component of each radiation unit component is electrically connected with the output end of the phase-shifting network in one frequency band, and a second feed component is electrically connected with the output end of the phase-shifting network in the other frequency band.
10. An antenna according to claim 9, wherein each phase shifting network comprises a signal transmission network and a component slidable relative to the signal transmission network for phase shifting the signal transmission network.
11. The antenna of claim 10, wherein the phase shifting network component further comprises a filter circuit disposed at an output of each phase shifting network.
12. The antenna of claim 9 wherein the operating frequency bands of the two phase shifting networks are selected from 1695-2170MHz/2490-2690MHz, 1427-2170MHz/2490-2690MHz, and 1427-1880MHz/2300-2690 MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111376341.5A CN113964500B (en) | 2021-11-19 | 2021-11-19 | Radiating element assembly and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111376341.5A CN113964500B (en) | 2021-11-19 | 2021-11-19 | Radiating element assembly and antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113964500A true CN113964500A (en) | 2022-01-21 |
| CN113964500B CN113964500B (en) | 2024-06-25 |
Family
ID=79471249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111376341.5A Active CN113964500B (en) | 2021-11-19 | 2021-11-19 | Radiating element assembly and antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113964500B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863986A (en) * | 2023-02-21 | 2023-03-28 | 京信通信技术(广州)有限公司 | Radiation element, phase shifter and antenna device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2265132A1 (en) * | 1998-10-16 | 2000-04-16 | Ems Technologies Canada, Ltd. | Crossed bent dipole antenna |
| CN206282963U (en) * | 2016-12-23 | 2017-06-27 | 武汉虹信通信技术有限责任公司 | One kind miniaturization base station antenna radiation unit |
| CN107230827A (en) * | 2017-05-31 | 2017-10-03 | 深圳三星通信技术研究有限公司 | A kind of half-wave dipole, radiating element and antenna |
| CN113871853A (en) * | 2021-09-06 | 2021-12-31 | 京信通信技术(广州)有限公司 | Antenna and radiation unit |
| CN216120739U (en) * | 2021-11-19 | 2022-03-22 | 中国联合网络通信集团有限公司 | Radiation unit assembly and antenna |
-
2021
- 2021-11-19 CN CN202111376341.5A patent/CN113964500B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2265132A1 (en) * | 1998-10-16 | 2000-04-16 | Ems Technologies Canada, Ltd. | Crossed bent dipole antenna |
| CN206282963U (en) * | 2016-12-23 | 2017-06-27 | 武汉虹信通信技术有限责任公司 | One kind miniaturization base station antenna radiation unit |
| CN107230827A (en) * | 2017-05-31 | 2017-10-03 | 深圳三星通信技术研究有限公司 | A kind of half-wave dipole, radiating element and antenna |
| CN113871853A (en) * | 2021-09-06 | 2021-12-31 | 京信通信技术(广州)有限公司 | Antenna and radiation unit |
| CN216120739U (en) * | 2021-11-19 | 2022-03-22 | 中国联合网络通信集团有限公司 | Radiation unit assembly and antenna |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863986A (en) * | 2023-02-21 | 2023-03-28 | 京信通信技术(广州)有限公司 | Radiation element, phase shifter and antenna device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113964500B (en) | 2024-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Xiang et al. | A flexible dual-band antenna with large frequency ratio and different radiation properties over the two bands | |
| US8072291B2 (en) | Compact dual-band metamaterial-based hybrid ring coupler | |
| CN102904022B (en) | Symmetrical partially coupled microstrip slot feed patch antenna element | |
| WO2019173093A1 (en) | Antenna arrays having shared radiating elements that exhibit reduced azimuth beamwidth and increased isolation | |
| US20200321708A1 (en) | Ultra-wideband Modular Tightly Coupled Array Antenna | |
| Chi et al. | Miniaturized dual-band directional couplers using composite right/left-handed transmission structures and their applications in beam pattern diversity systems | |
| CN110112562B (en) | Small broadband differential excitation dual-mode dual-polarized base station antenna | |
| CN110808450B (en) | Dual-polarized antenna and radiating element thereof | |
| Zhu et al. | 60 GHz substrate-integrated-waveguide-fed patch antenna array with quadri-polarization | |
| CN107623176A (en) | terminal MIMO antenna system | |
| CN113193355A (en) | Dual-frequency dual-polarization dielectric resonant antenna for 5G communication and mobile terminal equipment | |
| CN216120739U (en) | Radiation unit assembly and antenna | |
| CN110783698B (en) | Dual-frequency radiation unit and base station antenna | |
| CN114256577B (en) | Integrated antenna unit and base station antenna | |
| CN113964500A (en) | Radiation unit assembly and antenna | |
| Hu et al. | Design of Dual/Tri-Band Filtering Antenna Using Multi-Mode SIW Cavities | |
| CN111541044A (en) | Dual-polarized three-passband three-dimensional frequency selection surface | |
| Buravalli et al. | Simulation study of 2x3 microstrip patch antenna array for 5G applications | |
| CN215008575U (en) | Dual-frequency dual-polarization dielectric resonant antenna for 5G communication and mobile terminal equipment | |
| CN213546564U (en) | Improved structure for isolation among multiple antennas in MIMO system based on PIFA antenna | |
| Chen et al. | Integration of Second-Order Bandstop Filter Into a Dual-Polarized 5G Millimeter-Wave Magneto-Electric Dipole Antenna | |
| CN116231312A (en) | Low-profile dual-frequency dual-circular polarization common-caliber antenna and array thereof | |
| CN213242793U (en) | Low-frequency radiating element and broadband base station antenna | |
| CN114284726A (en) | High-port-isolation filtering antenna unit applied to double-frequency double-circular polarization and rotary antenna array formed by same | |
| Zhu et al. | A Twelve-Element Antenna Array for Tri-Band MIMO Operations in the 5G Smartphone |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |