EP3361568B1 - Base station antenna - Google Patents
Base station antenna Download PDFInfo
- Publication number
- EP3361568B1 EP3361568B1 EP16861535.9A EP16861535A EP3361568B1 EP 3361568 B1 EP3361568 B1 EP 3361568B1 EP 16861535 A EP16861535 A EP 16861535A EP 3361568 B1 EP3361568 B1 EP 3361568B1
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- European Patent Office
- Prior art keywords
- antenna
- electrically conductive
- conductive ground
- inner support
- radio frequency
- 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.)
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- 238000005452 bending Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 238000004891 communication Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 208000025274 Lightning injury Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- 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
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6596—Specific features or arrangements of connection of shield to conductive members the conductive member being a metal grounding panel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/52—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted in or to a panel or structure
Definitions
- Embodiments of this application relate to the field of communications technologies, and in particular, to a base station antenna.
- Common base station antennas are applied to outdoor scenarios.
- a lightning protection grounding system usually needs to be designed for entering and exiting at a port of a radio frequency coaxial connector 11 of the antenna.
- a main feeder 17 of a radio frequency coaxial connector 11 is usually soldered to a ground piece 16, the ground piece 16 is securely connected to an antenna reflection panel 15, and then a ground current is transferred to outside by using an antenna inner support 14 and a base; or after a radio frequency coaxial connector 11 is secured to a ground piece 16 by using a screw, the radio frequency coaxial connector 11 and the ground piece 16 transfer a ground current with an antenna reflection panel 15, an antenna inner support 14, and a base.
- a structure shown in FIG. 1 refer to a structure shown in FIG. 1 .
- a conductive path of a ground current of the base station antenna is: a radio frequency coaxial connector ⁇ a main feeder ⁇ a ground piece ⁇ an antenna reflection panel ⁇ an antenna inner support ⁇ outside.
- This grounding manner requires a large number of ground pieces, and it is difficult to find sufficient locations for deploying so many ground pieces for a complex antenna.
- the conductive path of the ground current is excessively long, and lightning protection reliability is poor.
- Embodiments of this application provide a base station antenna, to resolve technical problems of limited deployment space of ground pieces and poor lightning protection reliability of a base station antenna in the prior art.
- this application provides a base station antenna, including: an antenna according to claim 1. Additional features of the invention are presented in the dependent claims.
- each radio frequency coaxial connector on a conventional base station antenna usually needs to be connected to a ground piece or a ground end, causing a relatively complex and low efficiency production process, there may be one electrically conductive ground piece in the implementations. In this way, the number of ground pieces can be reduced, costs can be reduced, and production assembly efficiency can be improved.
- a base station antenna 100 in the embodiments of this application may be applied to outdoor mounting, and the base station antenna 100 may avoid destruction of a lightning stroke.
- the base station antenna 100 may be applied to lightning protection grounding of a base station of a 2G communications system, or may be applied to lightning protection grounding of base stations of 3G and 4G communications systems, or may be applied to lightning protection grounding of base stations of 4.5G and 5G communications systems.
- radio frequency coaxial connectors 11, main feeders 17, ground pieces 16, an antenna reflection panel 15, and an inner support are connected.
- Such a grounding manner requires a large number of ground pieces 16, and locations for deploying the ground pieces 16 needs to be searched for on the antenna reflection panel 15.
- the ground pieces 16 can only be deployed far away from a current source such as the radio frequency coaxial connectors 11.
- the base station antenna provided in the embodiments of this application aims to resolve technical problems of limited deployment space of ground pieces and poor lightning protection reliability of a base station antenna in the prior art.
- FIG. 2 is a schematic structural diagram showing that an electrically conductive ground piece in a base station antenna is connected to a radio frequency coaxial connector according to this application
- FIG. 3 is a schematic structural diagram of Embodiment 1 of a base station antenna according to this application.
- the electrically conductive ground piece 12 is deployed on an antenna end cover 10 by using space on the antenna end cover 10, so that the electrically conductive ground piece 12 is directly connected to the radio frequency coaxial connector 11 and a ground component, thereby shortening a current path of a lightning current.
- the base station antenna 100 includes: the antenna end cover 10, at least two radio frequency coaxial connectors 11, the electrically conductive ground piece 12, and an electrically conductive ground component 13.
- the radio frequency coaxial connectors 11 are disposed on the antenna end cover 10, the electrically conductive ground piece 12 is disposed on a side of the antenna end cover 10 mounting an antenna inner support 14, and the electrically conductive ground piece 12 is respectively connected to the at least two radio frequency coaxial connectors 11 and the electrically conductive ground component 13.
- the electrically conductive ground component 13 is the antenna inner support 14 or an antenna reflection panel 15.
- a structure shown in FIG. 3 is an example in which the electrically conductive ground piece 12 is connected to the antenna inner support 14.
- the electrically conductive ground piece 12 in this embodiment of this application may include at least one metal part or component.
- the metal part or component may include sheet metal, a metal wire, a metal bar, a metal block, a metal pipe, or the like.
- the radio frequency coaxial connectors 11 in this embodiment of this application do not need to be connected to main feeders 17, and the radio frequency coaxial connectors 11 are disposed on the antenna end cover 10.
- the antenna end cover 10 is insulative.
- the electrically conductive ground piece 12 in this embodiment is disposed on the side of the antenna end cover 10 mounting the antenna inner support 14, and is respectively connected to the at least two radio frequency coaxial connectors 11 and the electrically conductive ground component 13.
- the electrically conductive ground piece 12 may be soldered on the side of the antenna end cover 10 mounting the antenna inner support 14, or may be riveted to the side of the antenna end cover 10 mounting the antenna inner support 14.
- a manner of disposing the electrically conductive ground piece 12 on the antenna end cover 10 is not limited in this embodiment.
- the electrically conductive ground piece 12 being connected to the at least two radio frequency coaxial connectors 11 may be that the electrically conductive ground piece 12 is connected to the radio frequency coaxial connectors 11 in any metal connection manner.
- the "metal connection manner" herein may be a buckle connection (for example, an electrically conductive protrusion is disposed on the electrically conductive ground piece 12, and an electrically conductive groove is provided on the radio frequency coaxial connector 11, so as to implement the buckle connection), a positioning compression connection (that is, the electrically conductive ground piece 12 is compressed under a nut of the radio frequency coaxial connector 11), or any connection manner such as soldering, provided that the radio frequency coaxial connectors 11 is electrically conducted to the electrically conductive ground piece 12.
- a buckle connection for example, an electrically conductive protrusion is disposed on the electrically conductive ground piece 12, and an electrically conductive groove is provided on the radio frequency coaxial connector 11, so as to implement the buckle connection
- a positioning compression connection that is, the electrically conductive ground piece 12 is compressed under a nut of the radio frequency coaxial connector 11
- any connection manner such as soldering
- the electrically conductive ground piece 12 is further connected to the electrically conductive ground component 13.
- the electrically conductive ground piece 12 may be connected to the electrically conductive ground component 13 in any metal connection manner.
- the electrically conductive ground piece 12 is connected to the antenna inner support 14, and is connected to the antenna reflection panel 15 by using the antenna inner support 14.
- the base station antenna 100 is under action of a high-intensity lightning current, because the electrically conductive ground piece 12 is directly connected to the radio frequency coaxial connectors 11 and the electrically conductive ground component 13, when the lightning current enters the base station antenna 100 from the radio frequency coaxial connectors 11, the lightning current directly arrives at the electrically conductive ground component 13 by passing through the electrically conductive ground piece 12, and further flows to outside, so that a conductive path of a ground current is shortened, thereby improving lightning protection reliability of the base station antenna 100.
- the electrically conductive ground piece is disposed on the side of the antenna end cover mounting the antenna inner support, and the electrically conductive ground piece is respectively connected to the radio frequency coaxial connectors and the electrically conductive ground component, so that a conductive path of a lightning current is shortened, and lightning protection reliability of the base station antenna is improved.
- the electrically conductive ground piece does not need to occupy space of the antenna reflection panel and does not need to be connected to main feeders. Therefore, operations of producing main feeder strips and soldering main feeders with a ground piece are reduced, and impact of limitations to ground pieces in deployment, cabling, and the like on the reflection panel is avoided.
- FIG. 4 is a schematic structural diagram of Embodiment 2 of a base station antenna according to this application, and the figure is an exploded view of the base station antenna.
- the electrically conductive ground component 13 is the antenna inner support 14 is still used in FIG. 4
- connecting terminals 121 connected to the at least two radio frequency coaxial connectors 11 are disposed on the electrically conductive ground piece 12, and the electrically conductive ground piece 12 is connected to the at least two radio frequency coaxial connectors 11 by using the connecting terminals 121.
- a positioning structure 101 is provided on the side of the antenna end cover 10 mounting the antenna inner support 14, and the electrically conductive ground piece 12 is fixedly disposed, by using the positioning structure 101, on the side of the antenna end cover 10 mounting the antenna inner support 14.
- the connecting terminal 121 of the electrically conductive ground piece 12 shown in FIG. 4 when the connecting terminal 121 of the electrically conductive ground piece 12 shown in FIG. 4 is connected to the radio frequency coaxial connectors 11, the connecting terminal 121 may be disposed under a nut 111 of the radio frequency coaxial connector 11, and then the electrically conductive ground piece 12 may be connected to the radio frequency coaxial connectors 11 by screwing a flange 112 of the radio frequency coaxial connector 11 to the nut 111 of the radio frequency coaxial connector 11.
- there may be a plurality of connecting terminals 121 and a specific number of the connecting terminals 121 is related to a number of the radio frequency coaxial connectors 11.
- the positioning structure 101 provided on the side of the antenna end cover 10 mounting the antenna inner support 14 may be an insulative positioning structure 101, and a number of positioning structures 101 is related to a number of ground pieces.
- a through hole 122 matching the positioning structure 101 may be provided on the electrically conductive ground piece 12.
- the electrically conductive ground piece 12 needs to be connected to all the radio frequency coaxial connectors 11 disposed on the antenna end cover 10. Because a port of each radio frequency coaxial connector on a conventional base station antenna usually needs to be connected to a ground piece or a ground end, causing a relatively complex and low efficiency production process, in this implementation, there may be one electrically conductive ground piece 12. In this way, the number of ground pieces can be reduced, costs can be reduced, and production assembly efficiency can be improved.
- the number of electrically conductive ground pieces 12 needs to be less than or equal to a number of all the radio frequency coaxial connectors 11 disposed on the antenna end cover 10, that is, one electrically conductive ground piece 12 may be connected to one radio frequency coaxial connector 11, or may be connected to some radio frequency coaxial connectors 11 in all the radio frequency coaxial connectors 11.
- FIG. 5 is a schematic structural diagram of Embodiment 3 of a base station antenna according to this application.
- the electrically conductive ground component 13 is the antenna inner support 14
- the electrically conductive ground piece 12 is connected to a first side surface 141 of the antenna inner support 14, and a second side surface 142 of the antenna inner support 14 is connected to the antenna reflection panel 15.
- the first side surface 141 is a surface on which the antenna inner support 14 is mounted on the antenna end cover 10
- the second side surface 142 is a surface that is of the antenna inner support 14 and that right faces the antenna reflection panel 15.
- the ground piece is located between the first side surface 141 and the antenna end cover 10.
- the first side surface 141 of the antenna inner support 14 is mounted on the antenna end cover 10 by using a screw or another connecting piece, the first side surface 141 can compress the ground piece on the antenna end cover 10, thereby ensuring securing of the ground piece.
- FIG. 6 is a schematic structural diagram of Embodiment 4 of a base station antenna according to this application.
- the electrically conductive ground component 13 is the antenna reflection panel 15 (the example in which the electrically conductive component is the antenna inner support 14 is used in FIG. 1 to FIG. 4 )
- the electrically conductive ground piece 12 is connected to the antenna inner support 14 by using the antenna reflection panel 15 (the antenna inner support 14 is not shown in FIG. 6 , and for a connection between the antenna transmission panel 15 and the antenna inner support 14, refer to the prior art).
- the electrically conductive ground piece 12 may be a bending structure.
- the bending structure may include a first bending structure 123 and a second bending structure 124.
- the first bending structure 123 is located on the side of the antenna end cover 10 mounting the antenna inner support 14, so that the ground piece can be connected to the at least two radio frequency coaxial connectors 11.
- the second bending structure 124 may be or may not be perpendicular to the first bending structure 123 in space. However, the second bending structure 124 and the first bending structure 123 are not in one plane (the first bending structure 123 is on the side of the antenna end cover 10 mounting the antenna inner support 14, and the second bending structure 124 is in a plane of the antenna reflection panel 15).
- the electrically conductive ground piece 12 is connected the antenna reflection panel 15 by using the second bending structure 124 in a metal connection manner such as a screw, a nut, or soldering, so that the electrically conductive ground piece 12 can further be connected to the antenna inner support 14 by using the antenna reflection panel 15.
- a metal connection manner such as a screw, a nut, or soldering
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Description
- Embodiments of this application relate to the field of communications technologies, and in particular, to a base station antenna.
- Common base station antennas are applied to outdoor scenarios. To prevent a lightning stroke from destroying a functional component inside an antenna and ensure lightning protection reliability, a lightning protection grounding system usually needs to be designed for entering and exiting at a port of a radio frequency
coaxial connector 11 of the antenna. Currently, in an antenna grounding manner, amain feeder 17 of a radio frequencycoaxial connector 11 is usually soldered to aground piece 16, theground piece 16 is securely connected to anantenna reflection panel 15, and then a ground current is transferred to outside by using an antennainner support 14 and a base; or after a radio frequencycoaxial connector 11 is secured to aground piece 16 by using a screw, the radio frequencycoaxial connector 11 and theground piece 16 transfer a ground current with anantenna reflection panel 15, an antennainner support 14, and a base. Specifically, for an antenna grounding manner, refer to a structure shown inFIG. 1 . - In a grounding manner of a base station antenna in the prior art, a conductive path of a ground current of the base station antenna is: a radio frequency coaxial connector→a main feeder→a ground piece→an antenna reflection panel→an antenna inner support→outside. This grounding manner requires a large number of ground pieces, and it is difficult to find sufficient locations for deploying so many ground pieces for a complex antenna. In addition, the conductive path of the ground current is excessively long, and lightning protection reliability is poor. Further use of electrically conductive ground pieces for coaxial connectors in various communication systems having some or all of the shortcomings discussed above is disclosed in
CN 203 631 720 U ,US 2007/148996 A1 ,DE 26 23 274 A1 ,US 5 829 992 A ,US 2015/156642 A1 , andCN 2 850 049 Y . - Embodiments of this application provide a base station antenna, to resolve technical problems of limited deployment space of ground pieces and poor lightning protection reliability of a base station antenna in the prior art.
- According to a first aspect, this application provides a base station antenna, including: an antenna according to claim 1. Additional features of the invention are presented in the dependent claims.
- By means of the base station antenna provided in the implementations, because a port of each radio frequency coaxial connector on a conventional base station antenna usually needs to be connected to a ground piece or a ground end, causing a relatively complex and low efficiency production process, there may be one electrically conductive ground piece in the implementations. In this way, the number of ground pieces can be reduced, costs can be reduced, and production assembly efficiency can be improved.
- To describe the technical solutions in the embodiments of the present application or in the prior art more clearly, the following briefly introduces the accompanying drawings required for describing the embodiments or the prior art. Apparently, the accompanying drawings in the following description show some embodiments of the present application, and a person of ordinary skill in the art may still derive other drawings from these accompanying drawings without creative efforts.
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FIG. 1 is a schematic structural diagram of a base station antenna in the prior art according to this application; -
FIG. 2 is a schematic structural diagram showing that an electrically conductive ground piece in a base station antenna is connected to a radio frequency coaxial connector according to this application; -
FIG. 3 is a schematic structural diagram of Embodiment 1 of a base station antenna according to this application; -
FIG. 4 is a schematic structural diagram of Embodiment 2 of a base station antenna according to this application; -
FIG. 5 is a schematic structural diagram of Embodiment 3 of a base station antenna according to this application; and -
FIG. 6 is a schematic structural diagram of Embodiment 4 of a base station antenna according to this application. -
- 100: Base station antenna; 10: Antenna end cover; 11: Radio frequency coaxial connector;
- 12: Electrically conductive ground piece; 13: Electrically conductive ground component;
- 14: Antenna inner support;
- 121: Connecting terminal; 101: Positioning structure;
- 111: Nut of a radio frequency coaxial connector; 112: Flange of a radio frequency coaxial connector;
- 122: Through hole; 141: First side surface; 142: Second side surface;
- 15: Antenna reflection panel; 123: First bending structure; 124: Second bending structure;
- 16: Ground piece; and 17: Main feeder.
- To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following clearly and completely describes the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are merely a part rather than all of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.
- A base station antenna 100 in the embodiments of this application may be applied to outdoor mounting, and the base station antenna 100 may avoid destruction of a lightning stroke. The base station antenna 100 may be applied to lightning protection grounding of a base station of a 2G communications system, or may be applied to lightning protection grounding of base stations of 3G and 4G communications systems, or may be applied to lightning protection grounding of base stations of 4.5G and 5G communications systems.
- During lightning protection grounding of a base station antenna in the prior art in
FIG. 1 , radio frequencycoaxial connectors 11,main feeders 17,ground pieces 16, anantenna reflection panel 15, and an inner support are connected. Such a grounding manner requires a large number ofground pieces 16, and locations for deploying theground pieces 16 needs to be searched for on theantenna reflection panel 15. In a scenario of a complex multi-band antenna, because locations that are on theantenna reflection panel 15 and that are close to a lower end are relatively compact, theground pieces 16 can only be deployed far away from a current source such as the radio frequencycoaxial connectors 11. Consequently, a lightning current flows through "the radio frequencycoaxial connectors 11→themain feeders 17→theground pieces 16→theantenna reflection panel 15→the antennainner support 14→outside", a path of the passed-through current is relatively long, and lightning protection reliability is relatively poor. - The base station antenna provided in the embodiments of this application aims to resolve technical problems of limited deployment space of ground pieces and poor lightning protection reliability of a base station antenna in the prior art.
- The technical solutions of this application are described below in detail by using specific embodiments. The following several specific embodiments may be combined with each other. Details of same or similar concepts or processes may not be described in some embodiments.
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FIG. 2 is a schematic structural diagram showing that an electrically conductive ground piece in a base station antenna is connected to a radio frequency coaxial connector according to this application, andFIG. 3 is a schematic structural diagram of Embodiment 1 of a base station antenna according to this application. In this embodiment, the electricallyconductive ground piece 12 is deployed on anantenna end cover 10 by using space on theantenna end cover 10, so that the electricallyconductive ground piece 12 is directly connected to the radio frequencycoaxial connector 11 and a ground component, thereby shortening a current path of a lightning current. As shown inFIG. 2 , the base station antenna 100 includes: theantenna end cover 10, at least two radio frequencycoaxial connectors 11, the electricallyconductive ground piece 12, and an electricallyconductive ground component 13. The radio frequencycoaxial connectors 11 are disposed on theantenna end cover 10, the electricallyconductive ground piece 12 is disposed on a side of theantenna end cover 10 mounting an antennainner support 14, and the electricallyconductive ground piece 12 is respectively connected to the at least two radio frequencycoaxial connectors 11 and the electricallyconductive ground component 13. - It should be noted that the electrically
conductive ground component 13 is the antennainner support 14 or anantenna reflection panel 15. A structure shown inFIG. 3 is an example in which the electricallyconductive ground piece 12 is connected to the antennainner support 14. In addition, the electricallyconductive ground piece 12 in this embodiment of this application may include at least one metal part or component. The metal part or component may include sheet metal, a metal wire, a metal bar, a metal block, a metal pipe, or the like. - Specifically, the radio frequency
coaxial connectors 11 in this embodiment of this application do not need to be connected tomain feeders 17, and the radio frequencycoaxial connectors 11 are disposed on theantenna end cover 10. For a specific disposing manner, refer to a disposing manner in the prior art. Theantenna end cover 10 is insulative. The electricallyconductive ground piece 12 in this embodiment is disposed on the side of theantenna end cover 10 mounting the antennainner support 14, and is respectively connected to the at least two radio frequencycoaxial connectors 11 and the electricallyconductive ground component 13. Optionally, the electricallyconductive ground piece 12 may be soldered on the side of theantenna end cover 10 mounting the antennainner support 14, or may be riveted to the side of theantenna end cover 10 mounting the antennainner support 14. A manner of disposing the electricallyconductive ground piece 12 on theantenna end cover 10 is not limited in this embodiment. Optionally, the electricallyconductive ground piece 12 being connected to the at least two radio frequencycoaxial connectors 11 may be that the electricallyconductive ground piece 12 is connected to the radio frequencycoaxial connectors 11 in any metal connection manner. The "metal connection manner" herein may be a buckle connection (for example, an electrically conductive protrusion is disposed on the electricallyconductive ground piece 12, and an electrically conductive groove is provided on the radio frequencycoaxial connector 11, so as to implement the buckle connection), a positioning compression connection (that is, the electricallyconductive ground piece 12 is compressed under a nut of the radio frequency coaxial connector 11), or any connection manner such as soldering, provided that the radio frequencycoaxial connectors 11 is electrically conducted to the electricallyconductive ground piece 12. - On the other hand, the electrically
conductive ground piece 12 is further connected to the electricallyconductive ground component 13. Optionally, the electricallyconductive ground piece 12 may be connected to the electricallyconductive ground component 13 in any metal connection manner. InFIG. 3 , the electricallyconductive ground piece 12 is connected to the antennainner support 14, and is connected to theantenna reflection panel 15 by using the antennainner support 14. Therefore, when the base station antenna 100 is under action of a high-intensity lightning current, because the electricallyconductive ground piece 12 is directly connected to the radio frequencycoaxial connectors 11 and the electricallyconductive ground component 13, when the lightning current enters the base station antenna 100 from the radio frequencycoaxial connectors 11, the lightning current directly arrives at the electricallyconductive ground component 13 by passing through the electricallyconductive ground piece 12, and further flows to outside, so that a conductive path of a ground current is shortened, thereby improving lightning protection reliability of the base station antenna 100. In addition, by means of the base station antenna 100 provided in this embodiment of this application, space of theantenna reflection panel 15 does not need to be occupied, andmain feeders 17 are not required, that is,ground pieces 16 on theantenna reflection panel 15 in the prior art are removed. Besides, operations of producingmain feeders 17 and strip soldering are reduced, and impact of limitations to theground pieces 16 in deployment, cabling, and the like on the reflection panel is avoided. - By means of the base station antenna provided in this embodiment of this application, the electrically conductive ground piece is disposed on the side of the antenna end cover mounting the antenna inner support, and the electrically conductive ground piece is respectively connected to the radio frequency coaxial connectors and the electrically conductive ground component, so that a conductive path of a lightning current is shortened, and lightning protection reliability of the base station antenna is improved. On the other hand, by means of the base station antenna provided in this embodiment of this application, the electrically conductive ground piece does not need to occupy space of the antenna reflection panel and does not need to be connected to main feeders. Therefore, operations of producing main feeder strips and soldering main feeders with a ground piece are reduced, and impact of limitations to ground pieces in deployment, cabling, and the like on the reflection panel is avoided.
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FIG. 4 is a schematic structural diagram of Embodiment 2 of a base station antenna according to this application, and the figure is an exploded view of the base station antenna. Based on the embodiment shown inFIG. 3 (the example in which the electricallyconductive ground component 13 is the antennainner support 14 is still used inFIG. 4 ), further, referring toFIG. 4 , connectingterminals 121 connected to the at least two radio frequencycoaxial connectors 11 are disposed on the electricallyconductive ground piece 12, and the electricallyconductive ground piece 12 is connected to the at least two radio frequencycoaxial connectors 11 by using the connectingterminals 121. Further, apositioning structure 101 is provided on the side of the antenna end cover 10 mounting the antennainner support 14, and the electricallyconductive ground piece 12 is fixedly disposed, by using thepositioning structure 101, on the side of the antenna end cover 10 mounting the antennainner support 14. - Specifically, when the connecting
terminal 121 of the electricallyconductive ground piece 12 shown inFIG. 4 is connected to the radio frequencycoaxial connectors 11, the connectingterminal 121 may be disposed under anut 111 of the radio frequencycoaxial connector 11, and then the electricallyconductive ground piece 12 may be connected to the radio frequencycoaxial connectors 11 by screwing aflange 112 of the radio frequencycoaxial connector 11 to thenut 111 of the radio frequencycoaxial connector 11. Optionally, there may be a plurality of connectingterminals 121, and a specific number of the connectingterminals 121 is related to a number of the radio frequencycoaxial connectors 11. On the other hand, thepositioning structure 101 provided on the side of the antenna end cover 10 mounting the antennainner support 14 may be aninsulative positioning structure 101, and a number ofpositioning structures 101 is related to a number of ground pieces. A throughhole 122 matching thepositioning structure 101 may be provided on the electricallyconductive ground piece 12. When the electricallyconductive ground piece 12 is fixedly disposed on the side of the antenna end cover 10 mounting the antennainner support 14, the electricallyconductive ground piece 12 can be fastened provided that thepositioning structure 101 is disposed through the throughhole 122. - In the embodiments of the invention as claimed, there is a plurality of electrically
conductive ground pieces 12. In an unclaimed example, when there is one electricallyconductive ground piece 12, the electricallyconductive ground piece 12 needs to be connected to all the radio frequencycoaxial connectors 11 disposed on theantenna end cover 10. Because a port of each radio frequency coaxial connector on a conventional base station antenna usually needs to be connected to a ground piece or a ground end, causing a relatively complex and low efficiency production process, in this implementation, there may be one electricallyconductive ground piece 12. In this way, the number of ground pieces can be reduced, costs can be reduced, and production assembly efficiency can be improved. When there are a plurality of electricallyconductive ground pieces 12, as defined in the claims, the number of electricallyconductive ground pieces 12 needs to be less than or equal to a number of all the radio frequencycoaxial connectors 11 disposed on theantenna end cover 10, that is, one electricallyconductive ground piece 12 may be connected to one radio frequencycoaxial connector 11, or may be connected to some radio frequencycoaxial connectors 11 in all the radio frequencycoaxial connectors 11. -
FIG. 5 is a schematic structural diagram of Embodiment 3 of a base station antenna according to this application. Based on the embodiments shown inFIG. 3 and FIG. 4 , in this embodiment, if the electricallyconductive ground component 13 is the antennainner support 14, the electricallyconductive ground piece 12 is connected to afirst side surface 141 of the antennainner support 14, and asecond side surface 142 of the antennainner support 14 is connected to theantenna reflection panel 15. Thefirst side surface 141 is a surface on which the antennainner support 14 is mounted on theantenna end cover 10, and thesecond side surface 142 is a surface that is of the antennainner support 14 and that right faces theantenna reflection panel 15. - In this embodiment shown in
FIG. 5 , the ground piece is located between thefirst side surface 141 and theantenna end cover 10. When thefirst side surface 141 of the antennainner support 14 is mounted on the antenna end cover 10 by using a screw or another connecting piece, thefirst side surface 141 can compress the ground piece on theantenna end cover 10, thereby ensuring securing of the ground piece. -
FIG. 6 is a schematic structural diagram of Embodiment 4 of a base station antenna according to this application. Based on the embodiment shown inFIG. 3 or FIG. 4 , in this embodiment, if the electricallyconductive ground component 13 is the antenna reflection panel 15 (the example in which the electrically conductive component is the antennainner support 14 is used inFIG. 1 to FIG. 4 ), the electricallyconductive ground piece 12 is connected to the antennainner support 14 by using the antenna reflection panel 15 (the antennainner support 14 is not shown inFIG. 6 , and for a connection between theantenna transmission panel 15 and the antennainner support 14, refer to the prior art). - Optionally, in this embodiment, the electrically
conductive ground piece 12 may be a bending structure. The bending structure may include afirst bending structure 123 and asecond bending structure 124. Thefirst bending structure 123 is located on the side of the antenna end cover 10 mounting the antennainner support 14, so that the ground piece can be connected to the at least two radio frequencycoaxial connectors 11. Thesecond bending structure 124 may be or may not be perpendicular to thefirst bending structure 123 in space. However, thesecond bending structure 124 and thefirst bending structure 123 are not in one plane (thefirst bending structure 123 is on the side of the antenna end cover 10 mounting the antennainner support 14, and thesecond bending structure 124 is in a plane of the antenna reflection panel 15). It can be ensured that the electricallyconductive ground piece 12 is connected theantenna reflection panel 15 by using thesecond bending structure 124 in a metal connection manner such as a screw, a nut, or soldering, so that the electricallyconductive ground piece 12 can further be connected to the antennainner support 14 by using theantenna reflection panel 15. It should be noted that in this embodiment, when the antennainner support 14 is connected to theantenna end cover 10, no electricallyconductive ground piece 12 exists between thefirst side surface 141 of the antennainner support 14 and theantenna end cover 10, that is, there is no direct connection relationship between the antennainner support 14 and the electricallyconductive ground piece 12. - Finally, it should be noted that the foregoing embodiments are merely intended for describing the technical solutions of this application other than limiting this application. Although this application is described in detail with reference to the foregoing embodiments, persons of ordinary skill in the art should understand that they may still make modifications to the technical solutions described in the foregoing embodiments, without departing from the scope of this application which is defined by the appended claims.
Claims (4)
- Abase station antenna, comprising:an insulating antenna end cover (10),at least two radio frequency coaxial connectors (11),a plurality of electrically conductive ground pieces (12),an electrically conductive ground component (13),an antenna inner support (14) and an antenna reflection panel (15), whereinthe radio frequency coaxial connectors (11) are disposed on the insulating antenna end cover (10),the electrically conductive ground pieces (12) are disposed on a side of the insulating antenna end cover (10) mounting the antenna inner support (14),and the electrically conductive ground pieces (12) are respectively connected to one or some of the at least two radio frequency coaxial connectors (11) and the electrically conductive ground component (13), and the number of the electrically conductive ground pieces (12) is less than or equal to the number of the radio frequency coaxial connectors (11) disposed on the insulatingantenna end cover (10),wherein the electrically conductive ground component (13) is the antenna inner support (14) wherein the electrically conductive ground pieces (12) are connected to the antenna inner support (14), and are connected to the antenna reflection panel (15) by using the antenna inner support (14), orwherein the electrically conductive ground component (13) is the antenna reflection panel (15) wherein the electrically conductive ground pieces (12) are connected to the antenna inner support (14) by using the antenna reflection panel (15).
- The base station antenna according to claim 1, wherein the base station further comprises connecting terminals (121) connected to the at least two radio frequency coaxial connectors (11) and disposed on the electrically conductive ground pieces (12), and the electrically conductive ground pieces (12) are connected to the at least two radio frequency coaxial connectors (11) by using the connecting terminals (121).
- The base station antenna according to claim 1 or 2, wherein a positioning structure (101) is provided on the side of the insulating antenna end cover (10) mounting the antenna inner support, and the electrically conductive ground pieces (12) are fixedly disposed, by using the positioning structure (101), on the side of the insulating antenna end cover (10) mounting the antenna inner support (14).
- The base station antenna according to claim 1, 2 or 3, wherein the electrically conductive ground component (13) is the antenna inner support (14), the electrically conductive ground pieces (12) are connected to a first side surface of the antenna inner support (14), and a second side surface of the antenna inner support (14) is connected to the antenna reflection panel (15), wherein the first side surface is a surface on which the antenna inner support (14) is mounted on the insulating antenna end cover (10), and the second side surface of the antenna inner support (14) faces the antenna reflection panel (15).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201520872477.9U CN205429163U (en) | 2015-11-04 | 2015-11-04 | Base station antenna |
PCT/CN2016/104187 WO2017076267A1 (en) | 2015-11-04 | 2016-11-01 | Base station antenna |
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EP3361568A1 EP3361568A1 (en) | 2018-08-15 |
EP3361568A4 EP3361568A4 (en) | 2018-11-07 |
EP3361568B1 true EP3361568B1 (en) | 2021-09-22 |
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EP16861535.9A Active EP3361568B1 (en) | 2015-11-04 | 2016-11-01 | Base station antenna |
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CN (1) | CN205429163U (en) |
WO (1) | WO2017076267A1 (en) |
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CN205429163U (en) * | 2015-11-04 | 2016-08-03 | 华为技术有限公司 | Base station antenna |
CN110492335B (en) * | 2019-07-31 | 2021-01-19 | 深圳市宏讯实业有限公司 | Process for manufacturing electric conductor |
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DE2623274C3 (en) * | 1976-05-24 | 1981-02-19 | Kathrein-Werke Kg, 8200 Rosenheim | Coaxial socket |
US5829992A (en) * | 1996-03-08 | 1998-11-03 | Merker; Joseph J. | Device and method for grounding /bonding cable television connectors |
CN2850049Y (en) * | 2005-10-11 | 2006-12-20 | 深圳日海通讯技术有限公司 | Coaxial connector for digital distributing frame and grounding device of coaxial connector |
DE202005020107U1 (en) * | 2005-12-23 | 2007-02-15 | Kathrein-Werke Kg | On a printed circuit board electrically connected coaxial H-connector device and associated connector unit |
CN201048450Y (en) * | 2006-12-20 | 2008-04-16 | 熊猫电子集团有限公司 | Split type input waveband switch |
CN102208710B (en) * | 2010-03-31 | 2014-11-19 | 安德鲁公司 | Structure for coupling grounding conversion from radio frequency coaxial cable to air microstrip and corresponding antenna |
CN103138128B (en) * | 2011-12-05 | 2015-09-09 | 中国科学院微电子研究所 | Radio frequency connection device |
US9531482B2 (en) * | 2013-12-04 | 2016-12-27 | Css Antenna, Llc | Canister antenna producing a pseudo-omni radiation pattern for mitigating passive intermodulation (PIM) |
CN203631720U (en) * | 2013-12-12 | 2014-06-04 | 华为技术有限公司 | A fixing unit of radio frequency connectors and a radio frequency antenna |
CN205429163U (en) * | 2015-11-04 | 2016-08-03 | 华为技术有限公司 | Base station antenna |
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2016
- 2016-11-01 WO PCT/CN2016/104187 patent/WO2017076267A1/en active Application Filing
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EP3361568A4 (en) | 2018-11-07 |
CN205429163U (en) | 2016-08-03 |
EP3361568A1 (en) | 2018-08-15 |
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