CN114566786A - Radiation unit and communication base station - Google Patents
Radiation unit and communication base station Download PDFInfo
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- CN114566786A CN114566786A CN202210175741.8A CN202210175741A CN114566786A CN 114566786 A CN114566786 A CN 114566786A CN 202210175741 A CN202210175741 A CN 202210175741A CN 114566786 A CN114566786 A CN 114566786A
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- 230000005855 radiation Effects 0.000 title claims abstract description 158
- 238000004891 communication Methods 0.000 title claims abstract description 41
- 238000005452 bending Methods 0.000 claims abstract description 15
- 230000010287 polarization Effects 0.000 claims abstract description 13
- 238000004512 die casting Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- ZHBBDTRJIVXKEX-UHFFFAOYSA-N 1-chloro-2-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=CC=CC=2)Cl)=C1 ZHBBDTRJIVXKEX-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a radiation unit, which comprises a balun base, four radiation bodies and two feed sheets, wherein the number of the radiation bodies is four, two of the radiation bodies are arranged diagonally, the other two radiation bodies are also arranged diagonally, the number of the feed sheets is two, one feed sheet is respectively coupled with the radiation bodies arranged diagonally to form + 45-degree polarization, the other feed sheet is respectively coupled with the radiation bodies arranged diagonally to form-45-degree polarization, the radiation bodies respectively comprise square radiation arms, the radiation arms are respectively provided with radiation walls, the radiation walls on the four radiation arms are arranged in a cross shape, and two side edges of the radiation arms far away from each other are respectively provided with a bending part. The communication base station comprises an array antenna, the array antenna comprises a reflecting plate, the array antenna further comprises the radiating units, the number of the radiating units is multiple, and the radiating units are arranged in a plurality of rows on the reflecting plate. The communication base station has good performance and can realize miniaturization and light weight.
Description
Technical Field
The present invention relates to the field of antenna communication technologies, and in particular, to a radiation unit and a communication base station having the same.
Background
With the rapid development of mobile communication technology, wireless communication devices such as 5G-MIMO, 4G +5G fusion antennas and the like are becoming mainstream, and communication service operators have made higher demands for integration, miniaturization, generalization and light weight of 5G communication base stations.
The performance of the radiating element, which is a core component of the communication base station, directly affects the performance of the antenna. At present, the commonly used radiating elements are generally formed by a die-casting process, the size is large, when a plurality of radiating elements are installed in a communication base station, the adjacent radiating elements are required to be arranged at intervals to improve the isolation degree, the size and the weight of the corresponding communication base station are increased accordingly, the communication base station is inconvenient to carry and assemble, and the requirements of the market on miniaturization and light weight of the communication base station cannot be met.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a miniaturized radiation unit and a communication base station having the same
In order to solve the technical problems, the invention adopts the technical scheme that: a radiation unit comprises a balun base, four radiation bodies and a feed tab, wherein the number of the radiation bodies is four, the four radiation bodies are respectively and electrically connected with the balun base, two of the radiators are arranged diagonally, the other two radiators are also arranged diagonally, the number of the feed sheets is two, one of the feed strips is coupled with the radiators arranged at two opposite angles to form + 45-degree polarization, the other feed strip is coupled with the radiators arranged at the other two opposite angles to form-45-degree polarization, the irradiator includes the radiation arm and four of square frame shape respectively the radiation arm is arranged and is the matrix, the radiation arm has the radiation wall respectively just the radiation wall is located on one of them diagonal of radiation arm, four on the radiation arm the radiation wall is arranged and is the cross, two sides that the radiation arm was kept away from each other have the portion of bending respectively.
In order to solve the technical problems, the invention also adopts the following technical scheme: the communication base station comprises an array antenna, the array antenna comprises a reflecting plate, the array antenna further comprises the radiating units, the number of the radiating units is multiple, and the radiating units are arranged on the reflecting plate in a plurality of rows.
The invention has the beneficial effects that: the communication base station provided by the invention comprises an array antenna, wherein the array antenna consists of a reflecting plate and a plurality of rows of radiating units arranged on the reflecting plate, the radiating units comprise a balun base, four radiating bodies and two feed sheets are arranged on the balun base, the four radiating bodies are arranged in pairs and are coupled through the feed sheets respectively to form +/-45-degree polarization, each radiating body comprises a square radiating arm, the four radiating arms are arranged in a matrix, the integral structure of the radiating units is compact, the miniaturization of the radiating units is favorably realized, each radiating arm is provided with a radiating wall, the four radiating walls are arranged in a cross shape to improve the radiation performance of the radiating bodies and enhance the structural strength of the radiating bodies, two sides of each radiating arm far away from each other are respectively provided with a bending part, the path of current on the radiating bodies can be prolonged by arranging the bending parts to widen the working bandwidth of the radiating units, and then can enough ensure that array antenna has good performance after installing a plurality of radiating element to constitute array antenna on the reflecting plate, do benefit to communication base station's miniaturization and lightweight simultaneously to satisfy the market demand.
Drawings
Fig. 1 is a top view of a communication base station according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a radiation unit in a communication base station according to a first embodiment of the present invention;
fig. 3 is a top view of a radiating element in a communication base station according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of another view angle of a radiating element in a communication base station according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a partial structure in a communication base station according to a first embodiment of the present invention;
fig. 6 is a schematic structural diagram of another view of a partial structure in a communication base station according to a first embodiment of the present invention;
FIG. 7 is an enlarged view taken at A in FIG. 6;
fig. 8 is a schematic diagram illustrating a voltage standing wave ratio test result of a radiating unit in a communication base station in a 2.3-2.69GHz working frequency band according to a first embodiment of the present invention;
fig. 9 is a schematic diagram illustrating an isolation test result of a radiation unit in a communication base station in a 2.3-2.69GHz working frequency band according to a first embodiment of the present invention;
fig. 10 is a schematic diagram illustrating a voltage standing wave ratio test result of a communication base station in a 2.3-2.69GHz working frequency band according to a first embodiment of the present invention;
fig. 11 is a schematic diagram illustrating a test result of in-band isolation of a communication base station in a 2.3-2.69GHz working band according to a first embodiment of the present invention;
fig. 12 is a schematic diagram illustrating a result of testing the inter-band isolation of the communication base station in the same polarization band within the 2.3-2.69GHz working band according to the first embodiment of the present invention;
fig. 13 is a schematic diagram illustrating a result of testing the inter-polarized isolation between bands in a 2.3 GHz-2.69 GHz operating band of the communication base station according to the first embodiment of the present invention.
Description of reference numerals:
1. a radiation unit; 2. a balun base; 21. a feed support; 22. an insulating support; 23. a chucking section; 3. a radiator; 31. a radiation arm; 32. a radiating wall; 33. a bending part; 34. an avoidance part; 4. a feeding sheet; 5. a reflective plate; 51. a spacer bar; 52. a limiting hole; 6. a PCB board; 61. a substrate; 62. a microstrip line.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 13, a radiation unit 1 includes a balun substrate 2, four radiators 3 and two feed tabs 4, where the number of the radiators 3 is four, and the four radiators 3 are respectively electrically connected to the balun substrate 2, two of the radiators 3 are diagonally disposed, the other two radiators 3 are also diagonally disposed, the number of the feed tabs 4 is two, one of the feed tabs 4 is respectively coupled to two of the diagonally disposed radiators 3 to form +45 ° polarization, the other feed tab 4 is respectively coupled to the other two of the diagonally disposed radiators 3 to form-45 ° polarization, the radiators 3 respectively include square-frame-shaped radiation arms 31 and the four radiation arms 31 are arranged in a matrix, the radiation arms 31 respectively have radiation walls 32, and the radiation walls 32 are located on one of the diagonal lines of the radiation arms 31, the radiating walls 32 on the four radiating arms 31 are arranged in a cross shape, and two side edges of the radiating arms 31 far away from each other are respectively provided with a bending part 33.
From the above description, the beneficial effects of the present invention are: the communication base station provided by the invention is composed of the reflecting plate 5 and the radiation units 1 which are arranged on the reflecting plate 5 in a plurality of rows, wherein the radiation units 1 are compact in integral structure, the miniaturization of the radiation units 1 is favorably realized, the radiation performance of the radiation body 3 is improved and the structural strength of the radiation body 3 is enhanced by designing the structural form of the radiation arm 31, the working bandwidth of the radiation units 1 is also widened, the communication base station is favorably miniaturized and lightened while having good performance, and the market demand is met.
Further, the bent portion 33 is recessed toward the inside of the region surrounded by the radiation arm 31.
As can be seen from the above description, the bent portion 33 is recessed toward the inside of the region surrounded by the radiating arm 31 to increase the path of the current on the radiator 3 while avoiding an increase in the space occupied by the radiating arm 31.
Further, the two bent portions 33 on the same radiation arm 31 are disposed symmetrically with respect to the linear axis on which the radiation wall 32 on the radiation arm 31 is located.
As can be seen from the above description, the two bent portions 33 on the same radiation arm 31 are disposed to be axisymmetrical with respect to the straight line where the radiation arm 31 is located, so that the overall shape of the radiation arm 31 is regular, and the radiation arm 31 is convenient to form.
Further, a feed support 21 is further arranged on the balun base 2, and the two feed pieces 4 are respectively arranged on the feed support 21.
As can be seen from the above description, the feeding bracket 21 for mounting the feeding tab 4 is disposed on the balun base 2 to support and position the feeding tab 4, so that the overall structure of the radiating element 1 is more stable.
Further, the radiator 3 is an integrated structure formed by die casting.
As can be seen from the above description, the radiator 3 is formed by die-casting into a unitary structure, which facilitates the manufacture of the radiator 3 and improves the uniformity of the radiator 3.
The communication base station comprises an array antenna, wherein the array antenna comprises a reflecting plate 5, the array antenna further comprises the radiation units 1, the number of the radiation units 1 is multiple, and the radiation units 1 are arranged in a plurality of rows on the reflecting plate 5.
Further, a plurality of isolation bars 51 are further arranged on the reflection plate 5, and the isolation bars 51 are arranged between any two adjacent columns of the radiation units 1.
As can be seen from the above description, the isolation can be improved by providing the isolation bars 51 to reduce the mutual coupling between two adjacent rows of the radiation units 1.
Further, the radiation units 1 in any two adjacent columns of the radiation units 1 are arranged in a staggered manner.
As can be seen from the above description, any two adjacent rows of radiation units 1 are disposed on the reflection plate 5 in a staggered manner, so as to reduce mutual coupling between the adjacent radiation units 1.
Furthermore, one surface of the reflection plate 5, which is far away from the radiation unit 1, is provided with a plurality of PCB boards 6, and two feed pieces 4 in the same radiation unit 1 are respectively electrically connected with the same PCB boards 6.
As can be seen from the above description, the PCB 6 disposed on the side of the reflection plate 5 far from the radiation element 1 is respectively connected to the two feeding pieces 4 to realize feeding, so that the height of the radiation element 1 relative to the reflection plate 5 is reduced to realize a low profile design.
Further, an insulating support 22 is sleeved at one end of the balun base 2, the insulating support 22 is provided with a clamping part 23, and a limiting hole 52 matched with the clamping part 23 is arranged on the reflecting plate 5.
As can be seen from the above description, the end of the balun base 2 is provided with the insulating support 22, and the radiation unit 1 can be conveniently mounted on the insulating support 22 by the engaging of the retaining portion 23 provided on the insulating support 22 and the limiting hole 52 on the reflection plate 5.
Example one
Referring to fig. 1 to 13, a first embodiment of the present invention is: a communication base station is installed in various indoor and outdoor environments as an access point device for accessing mobile equipment such as a mobile phone to the Internet, and performs information transmission with a terminal such as a mobile phone through a mobile information exchange center.
As shown in fig. 1, the array antenna includes a reflection plate 5, a plurality of radiation units 1 are disposed on the reflection plate 5, and the radiation units 1 are arranged in several rows on the reflection plate 5.
With reference to fig. 2 to 4, the radiation unit 1 includes a balun base 2, four radiation bodies 3 respectively electrically connected to the balun base 2 are disposed on the balun base 2, two of the radiation bodies 3 are diagonally disposed, the other two radiation bodies 3 are also diagonally disposed, two feed tabs 4 are further disposed on the balun base 2, one of the feed tabs 4 is coupled to two of the radiation bodies 3 diagonally disposed to form a dipole with a +45 ° polarization, the other feed tab 4 is coupled to the other two of the radiation bodies 3 diagonally disposed to form a dipole with a-45 ° polarization, and the two dipoles both have a size of about 0.5 λ (λ is an operating wavelength at a central frequency point of the radiation unit 1), so as to reduce the overall size of the radiation unit 1.
Specifically, the radiation body 3 includes a radiation arm 31 in a square frame shape, the vector lengths of four sides of the radiation arm 31 are equal, the four radiation arms 31 are arranged in a matrix on the balun base 2, the radiation arms 31 are respectively provided with a radiation wall 32, the radiation wall 32 is located on one diagonal line of the radiation arm 31, the four radiation walls 32 are arranged in a cross shape, one end of two opposite ends of the radiation wall 32 is connected with one corner of the radiation arm 31, the other end of the radiation wall is connected with the balun base 2, a corner of the radiation arm 31 near one end of the radiation wall 32 connected with the balun base 2 is provided with an avoidance portion 34 matched with the feed tab 4, the radiation performance of the radiation body 3 can be improved by arranging the radiation arm 31 and the radiation wall 32 connected with the radiation arm 31, and the radiation wall 32 can enhance the structural strength of the radiation body 3, it is advantageous to improve the structural stability of the radiator 3.
As shown in fig. 3, two sides of the radiation arm 31 that are far away from each other are also respectively provided with a bending portion 33, and by setting up the bending portion 33 can increase the length of two sides of the radiation arm 31, so as to extend the current path on the radiation body 3, which is beneficial to widening the working bandwidth of the radiation unit 1, and the bending portion 33 is concave inside the region enclosed by the radiation arm 31, so as to increase the current path on the radiation body 3 while avoiding the increase of the space occupied by the radiation arm 31, thereby making the overall structure of the radiation unit 1 more compact and beneficial to the miniaturization of the radiation unit 1.
In detail, in the present embodiment, the two bending portions 33 on the same radiation arm 31 are disposed symmetrically with respect to the linear axis where the radiation arm 31 is located, so that the overall shape of the radiation arm 31 is regular, and the radiation arm 31 is convenient to mold. And the irradiator 3 is the fashioned integral type structure of die-casting, and is convenient the irradiator 3 batch production can improve the uniformity of irradiator 3 simultaneously.
Referring to fig. 2, a feed bracket 21 is further disposed on the balun base 2, the feed bracket 21 is made of plastic, the two feed plates 4 are disposed on the feed bracket 21, and the feed plates 4 are supported and positioned by the feed bracket 21 and the feed plates 4, so as to improve stability of the overall structure of the radiating unit 1.
As shown in fig. 8 and fig. 9, the voltage standing wave ratio of the radiation unit 1 in the 2.3-2.69GHz working frequency band is less than 1.5, the isolation is greater than 28dB, and the performance of the radiation unit meets the design requirements.
As shown in fig. 1, in this embodiment, four rows of the radiation units 1 are disposed on the reflection plate 5, and the radiation units 1 in any two adjacent rows of the radiation units 1 are staggered, and a distance between two adjacent rows of the radiation units 1 is 0.46-0.52 λ, so that a certain interval is provided between two adjacent radiation units 1, so as to reduce mutual coupling between the radiation units 1 in two adjacent rows, and further improve the isolation of the array antenna.
Preferably, a plurality of isolating bars 51 are further arranged on the reflecting plate 5, the isolating bars are respectively perpendicular to the reflecting plate 5, any two adjacent rows of the radiating units 1 are provided with the isolating bars 51, and the isolating degree of the array antenna can be further improved by arranging the isolating bars to separate the two adjacent rows of the radiating units 1.
Referring to fig. 4, 5 and 6, a plurality of PCB boards 6 are disposed on a surface of the reflection plate 5 away from the radiation unit 1, where the PCB boards 6 include a substrate 61 and a microstrip line 62 disposed on the substrate 61, the substrate 61 is attached to a surface of the reflection plate 5 away from the radiation unit 1, one end of the feed tab 4 passes through the reflection plate 5, and two feed tabs 4 in the same radiation unit 1 are electrically connected to the microstrip line 62 on the same PCB board 6 respectively to realize feeding, and feeding is performed by the PCB board 6 disposed on a surface of the reflection plate 5 away from the radiation unit 1, so that the height of the radiation unit 1 relative to the reflection plate 5 can be reduced, which is beneficial to further reducing the radiation unit 1 and simultaneously realizing a low-profile design to reduce a space occupied by the array antenna.
As shown in fig. 4 and 7, an insulating support 22 is sleeved on one end of the balun base 2 and one end of the feeding piece 4 is arranged to penetrate through the insulating support 22, the insulating support 22 is made of plastic, and the two opposite sides of the insulating support 22 are respectively provided with a clamping part 23, the reflecting plate 5 is provided with a limiting hole 52 matched with the clamping part 23, when the radiation unit 1 is installed on the reflecting plate 5, the clamping part 23 extends into the limiting hole 52 to be clamped with the limiting hole 52, thereby greatly facilitating the assembly of the array antenna, and the arrangement mode of a plurality of radiation units 1 on the reflecting plate 5 can be preset by arranging the limiting holes 52 on the reflecting plate 5, so that the deviation of the positions of the radiation units 1 in the assembling process of the array antenna is avoided, and the arrangement of the radiation units 1 on the reflecting plate 5 is ensured to be the same as expected.
As shown in fig. 10 to 13, the voltage standing wave ratio of the array antenna in the 2.3-2.69GHz working frequency band is 1.4, the in-band isolation is greater than 27dB, the same-polarization inter-band isolation of the array antenna in the 2.3-2.69GHz working frequency band is greater than or equal to 27dB, the different-polarization inter-band isolation is greater than 30dB, and the performance of the array antenna meets the design requirements.
In summary, the communication base station provided by the present invention includes an array antenna, the array antenna is composed of a reflective plate and a plurality of rows of radiating elements arranged on the reflective plate, wherein the radiation unit comprises a balun base and four radiation bodies, the four radiation bodies are respectively and electrically connected with the balun base, and the four radiators are arranged diagonally in pairs and are coupled by the feed sheets to form a polarization of +/-45 degrees, and respectively comprise square radiating arms, and each radiating arm is provided with a radiating wall and a bending part, wherein the four radiating walls are arranged in a cross shape to improve the radiation performance of the radiator and enhance the structural strength of the radiator, the bending part is used for prolonging the path of current on the radiator to widen the working bandwidth of the radiating unit and ensure that the array antenna has good performance, the radiation unit has compact integral structure and high integration level, and is beneficial to realizing the miniaturization and light weight of the communication base station; the radiation unit on the array antenna realizes feed through the PCB arranged on the surface of the reflecting plate far away from the radiation unit, so that the height of the radiation unit relative to the reflecting plate can be reduced, the low-profile design is realized, the volume of the array antenna can be further reduced, and the space occupied by the array antenna is reduced; a plurality of radiation unit reflecting plates in the array antenna are arranged in a plurality of rows, two adjacent rows of radiation units are arranged in a staggered mode, and the array antenna is ensured to have good isolation degree by setting the interval between two adjacent rows of radiation units and arranging the isolating strips on the reflecting plates, so that the performance of the array antenna meets the design requirement.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A radiating element, characterized by: comprises a balun base, four radiating bodies and a feed tab, wherein the four radiating bodies are respectively electrically connected with the balun base, wherein two radiators are arranged diagonally, the other two radiators are also arranged diagonally, the number of the feed sheets is two, one of the feed strips is coupled with the radiators arranged at two opposite angles to form + 45-degree polarization, the other feed strip is coupled with the radiators arranged at the other two opposite angles to form-45-degree polarization, the radiating body respectively comprises square radiating arms, the four radiating arms are arranged into a matrix, the radiating arms are respectively provided with a radiating wall, the radiating wall is positioned on one diagonal line of the radiating arms, the radiating walls on the four radiating arms are arranged into a cross shape, and two sides, far away from each other, of the radiating arms are respectively provided with a bending part.
2. The radiating element of claim 1, wherein: the bending part is sunken towards the inside of the area defined by the radiation arms.
3. The radiating element of claim 1, wherein: the two bending parts on the same radiation arm are arranged symmetrically relative to the linear axis where the radiation wall on the radiation arm is located.
4. The radiating element of claim 1, wherein: the balun base is further provided with a feed support, and the two feed pieces are arranged on the feed support respectively.
5. The radiating element of claim 1, wherein: the radiator is an integrated structure formed by die casting.
6. Communication base station, including array antenna, array antenna includes the reflecting plate, its characterized in that: the array antenna further comprises the radiation unit of any one of claims 1 to 5, wherein the number of the radiation units is multiple, and the radiation units are arranged in a plurality of columns on the reflection plate.
7. The communication base station of claim 6, wherein: the reflecting plate is further provided with a plurality of isolating strips, and the isolating strips are arranged between any two adjacent rows of the radiation units.
8. The communication base station of claim 6, wherein: the radiation units in any two adjacent columns of the radiation units are arranged in a staggered mode.
9. The communication base station of claim 6, wherein: one side of the reflecting plate, which is far away from the radiation unit, is provided with a plurality of PCB boards, and two feed pieces in the same radiation unit are respectively and electrically connected with the same PCB board.
10. The communication base station of claim 6, wherein: one end of the balun base is sleeved with an insulating support, the insulating support is provided with a clamping part, and the reflecting plate is provided with a limiting hole matched with the clamping part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210175741.8A CN114566786A (en) | 2022-02-25 | 2022-02-25 | Radiation unit and communication base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210175741.8A CN114566786A (en) | 2022-02-25 | 2022-02-25 | Radiation unit and communication base station |
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| CN114566786A true CN114566786A (en) | 2022-05-31 |
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| CN202210175741.8A Pending CN114566786A (en) | 2022-02-25 | 2022-02-25 | Radiation unit and communication base station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115347352A (en) * | 2022-08-30 | 2022-11-15 | 江苏亨鑫科技有限公司 | Miniaturized wide band section base station antenna unit |
| CN116073102A (en) * | 2023-03-31 | 2023-05-05 | 深圳市鑫龙通信技术有限公司 | Low frequency radiating element and antenna |
| CN117293561A (en) * | 2023-09-07 | 2023-12-26 | 人天通信集团有限公司 | Dual polarized antenna radiating element and base station antenna |
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| CN117293561A (en) * | 2023-09-07 | 2023-12-26 | 人天通信集团有限公司 | Dual polarized antenna radiating element and base station antenna |
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