CN113241515A - Communication base station antenna - Google Patents
Communication base station antenna Download PDFInfo
- Publication number
- CN113241515A CN113241515A CN202110361750.1A CN202110361750A CN113241515A CN 113241515 A CN113241515 A CN 113241515A CN 202110361750 A CN202110361750 A CN 202110361750A CN 113241515 A CN113241515 A CN 113241515A
- Authority
- CN
- China
- Prior art keywords
- copper foil
- foil layer
- antenna
- antenna panel
- layer
- 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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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
- H01Q1/12—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
Abstract
The invention discloses a communication base station antenna, which comprises an antenna panel, a plurality of radiation units arranged on the antenna panel at intervals, and at least one copper foil layer adhered or embedded on the antenna panel; the copper foil layer is used as a signal strip line to connect the plurality of radiation units in series. The communication base station antenna has a simple structure, is fixed on the antenna panel in a cementing or embedding mode through the copper foil, and serially connects and conducts the radiation units, replaces a mode of electroplating a metal layer in the prior art, is simple to operate and low in cost, and avoids secondary environmental problems caused by electroplating.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a communication base station antenna.
Background
With the rapid development of scientific technology, especially communication technology, communication base station antennas are developing toward miniaturization and integration. The traditional series structure between 4G antenna radiating units transmits signals by arranging cables, and the manufacturing process of the 5G antenna is changed greatly after the 5G era.
In order to realize the miniaturization and integration of the 5G antenna, the prior published Chinese patent CN201110200708.8 discloses a double-laser opposite-etching blocking selective plating method, wherein a metal plating layer is formed on the surface of a non-metal material by a selective plating method, and the series conduction between the radiating units of the 5G antenna is realized by the metal plating layer. This patent discloses a solution to the series connection problem of the radiating elements of a 5G miniaturized antenna by selective plating, but still suffers from the following disadvantages:
1) the electroplating process is complex and the process flow is long;
2) the harmful and toxic solution used in the electroplating brings about secondary environmental problems;
3) the cost is high.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an antenna of a communication base station, which has the advantages of simple process, convenient operation and environmental protection.
The technical scheme adopted by the invention for solving the technical problems is as follows: the communication base station antenna comprises an antenna panel, a plurality of radiating units arranged on the antenna panel at intervals, and at least one copper foil layer adhered or embedded on the antenna panel;
the copper foil layer is used as a signal strip line to connect the plurality of radiation units in series.
Preferably, the communication base station antenna further comprises a back adhesive layer arranged between the copper foil layer and the antenna panel; the copper foil layer is adhered to the antenna panel through the back adhesive layer.
Preferably, a containing groove is formed in the antenna panel corresponding to the copper foil layer, the back adhesive layer is contained in the containing groove, and the copper foil layer is adhered in or above the containing groove.
Preferably, the copper foil layer is embedded in the surface of the antenna panel by heating and melting the surface of the antenna panel.
Preferably, the antenna panel is formed with covering portions respectively covering opposite side ends of the copper foil layer.
Preferably, the communication base station antenna further comprises a non-metallic material layer; the non-metal material layer covers the copper foil layer and the antenna panel through hot melting, and the copper foil layer is adhered to the antenna panel.
Preferably, an accommodating groove is formed in the antenna panel corresponding to the copper foil layer, and the copper foil layer is arranged in the accommodating groove.
Preferably, a main body part of the non-metal material layer covers the copper foil layer, and an edge part of the non-metal material layer extends to the surface of the antenna panel on the periphery of the accommodating groove.
Preferably, a gap is left between the copper foil layer and the inner wall of the accommodating groove, the main body part of the non-metal material layer covers the copper foil layer, and the edge part of the non-metal material layer covers the side surface of the copper foil layer and fills the gap.
Preferably, the copper foil layer comprises a copper foil strip arranged on the antenna panel, and a plurality of copper foil branch lines extending outwards from the copper foil strip; the free end of the copper foil branch line extends and is connected to the radiation unit.
The invention has the beneficial effects that: the antenna panel is simple in structure, the copper foil is fixed on the antenna panel in a cementation or embedding mode and the radiating units are connected in series and conducted, the mode of an electroplating metal layer in the prior art is replaced, the operation is simple, the cost is low, and the secondary environmental problem caused by electroplating is avoided.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic structural diagram of a communication base station antenna according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a copper foil layer on an antenna panel of the antenna of the communication base station shown in fig. 1;
fig. 3 is a schematic cross-sectional view of another way of fixing the copper foil layer on the antenna panel in the antenna of the communication base station shown in fig. 1;
fig. 4 is a schematic cross-sectional view of the communication base station antenna shown in fig. 1, in which a copper foil layer is fixed to an antenna panel in an embedded manner.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the communication base station antenna according to an embodiment of the present invention includes an antenna panel 10, a plurality of radiation units 20 arranged on the antenna panel 10 at intervals, and at least one copper foil layer 30 adhered or embedded on the antenna panel 10, wherein the copper foil layer 30 serves as a signal strip line to connect the plurality of radiation units 20 in series.
The antenna panel 10 has a first surface and a second surface opposite to each other, and the radiation unit 20 and the copper foil layer 30 are disposed on the first surface of the antenna panel 10. A plurality of radiation elements 20 are arranged in an array on the antenna panel 10.
The copper foil layer 30 may be attached to the antenna panel 10 by an adhesive or a hot melt material.
In an alternative, as shown in fig. 2, the communication base station antenna further includes a back adhesive layer 40 disposed between the copper foil layer 30 and the antenna panel 10; the copper foil layer 30 is adhered to the antenna panel 10 by the adhesive backing layer 40. The preferable adhesive force of the back adhesive layer 40 meets the adhesive formation of the use environment of minus 40 ℃ to 110 ℃, and the copper foil layer 30 can not fall off under the use environment of minus 40 ℃ to 110 ℃ of the communication base station antenna.
Specifically, the antenna panel 10 is provided with a receiving groove 11, and the receiving groove 11 is disposed corresponding to the copper foil layer 30, so that the extending direction, shape, and the like of the receiving groove 11 on the antenna panel 10 are consistent with those of the copper foil layer 30. The copper foil layer 30 is fitted in the area of the receiving groove 11, and the back adhesive layer 40 is disposed between the copper foil layer 30 and the bottom surface of the receiving groove 11 to adhere the two together.
During preparation, the adhesive may be coated on the surface of the copper foil layer 30, and then the copper foil layer 30 is placed in the receiving groove 11 with the adhesive facing the receiving groove 11, and the adhesive forms the back adhesive layer 40 to adhere the copper foil layer 30 to the bottom surface of the receiving groove 11. Or, the adhesive is coated on the bottom surface of the receiving groove 11, and then the copper foil layer 30 is placed on the adhesive, and the adhesive forms the back adhesive layer 40 to adhere the copper foil layer 30 to the bottom surface of the receiving groove 11. Or, the adhesive is coated on the surface of the copper foil layer 30 and the bottom surface of the receiving groove 11, the copper foil layer 30 is placed on the adhesive of the receiving groove 11 with the adhesive facing the receiving groove 11, the adhesive on the copper foil layer and the receiving groove are bonded to form a back adhesive layer 40, and the copper foil layer 30 is adhered to the bottom surface of the receiving groove 11.
The depth of the accommodating groove 11 can be flexibly set. According to the arrangement that the depth of the accommodating groove 11 is equal to the sum of the thicknesses of the copper foil layer 20 and the back adhesive layer 40, the copper foil layer 30 and the back adhesive layer 40 are both accommodated in the accommodating groove 11, and the surface of the copper foil layer 30 is flush with the top surface of the accommodating groove 11. According to the arrangement that the depth of the accommodating groove 11 is smaller than the sum of the thicknesses of the copper foil layer 20 and the gum layer 40, the gum layer 40 is accommodated in the accommodating groove 11, and the surface of the copper foil layer 30 is higher than the top surface of the accommodating groove 11; or, when the depth of the accommodating groove 11 is equal to the thickness of the back adhesive layer 40, the back adhesive layer 40 is accommodated in the accommodating groove 11, and the copper foil layer 30 is located above the accommodating groove 11. In another option, as shown in fig. 3, the communication base station antenna further comprises a layer 50 of a heat-fusible non-metallic material. The non-metallic material layer 50 is covered on the copper foil layer 30 and the antenna panel 10 by heat fusion, and the copper foil layer 30 is adhered to the antenna panel 10.
The non-metal material layer 50 is preferably formed by a non-metal material with the bonding force meeting the use environment of-40 ℃ to 110 ℃, has certain strength and weather resistance, and ensures that the copper foil layer 30 cannot fall off under the use environment of-40 ℃ to 110 ℃ of the communication base station antenna. The non-metallic material may be, but is not limited to, ABS, high temperature resistant PC, etc.
Specifically, the antenna panel 10 is provided with a receiving groove 12, and the receiving groove 12 is disposed corresponding to the copper foil layer 30, so that the extending direction, shape, and the like of the receiving groove 12 on the antenna panel 10 are consistent with those of the copper foil layer 30. The copper foil layer 30 is disposed in the receiving groove 12, and the non-metal material layer 40 covers and adheres to the copper foil layer 30 and the antenna panel 10.
Further, in the accommodating groove 12, the side surface of the copper foil layer 30 is attached to the inner wall of the accommodating groove 12 or spaced apart from the inner wall. Corresponding to the attaching condition, the main portion of the non-metal material layer 50 covers the copper foil layer 30, and the edge portion of the non-metal material layer 50 extends to the surface of the antenna panel 10 at the periphery of the receiving slot 12.
For the case of leaving the space, the main body of the non-metal material layer 50 covers the copper foil layer 30, and the edge of the non-metal material layer 50 covers the side surface of the copper foil layer 30 and adheres to the bottom surface of the accommodating groove 12 where the space is located, so as to fill the space. To enhance the adhesion effect, the edge portion of the non-metallic material layer 50 may further extend to the surface of the antenna panel 10 at the periphery of the receiving slot 12.
During preparation, the copper foil layer 30 is firstly placed in the accommodating groove 12, the non-metal material is placed on the copper foil layer 30, and the edge part of the non-metal material covers the antenna panel 10; the non-metal material is melted by conductive heating, the melted non-metal material wraps the surface of the copper foil layer 30 and the antenna panel 10, and after solidification, the non-metal material layer 40 is formed, and the copper foil layer 30 is adhered to the antenna panel 10.
The non-metallic material layer 40 may cover the entire copper foil layer 30 over the extended length of the copper foil layer 30, or may be multi-segmented and spaced apart over the copper foil layer 30.
As shown in fig. 4, the copper foil layer 30 may also be embedded in the surface of the antenna panel 10 by melting the surface of the antenna panel 10 by heating. In operation, the copper foil layer 30 is heated by conduction, the copper foil layer 30 is placed on the antenna panel 10, the surface of the antenna panel 10 is melted and embedded therein, and the antenna panel 10 is fixed on the antenna panel 10 after cooling.
The copper foil layer 30 is embedded in the antenna panel 10, so that the antenna panel 10 is formed with a receiving groove 13, and the copper foil layer 30 is located in the receiving groove 13. In order to improve the stability of the copper foil layer 30 on the antenna panel 10, the antenna panel 10 is formed with the coating portions 131 by the embedding operation of the copper foil layer 30, which are respectively coated on the two opposite sides of the copper foil layer 30 to limit the copper foil layer 30 from being separated from the antenna panel 10.
The covering 131 is formed by extrusion of the melted surface portion of the antenna panel 10 by embedding the copper foil layer 30.
As also shown in fig. 1, in the communication base station antenna of the present invention, the copper foil layer 30 may further include a copper foil strip 31 disposed on the antenna panel 10, and a plurality of copper foil branches 32 extending outwardly from the copper foil strip 31. The copper foil layer 30 is adhered or embedded on the antenna panel 10 by a copper foil tape 31, and the free end of the copper foil branch line 32 extends to the radiation unit 20 and is connected with the radiation unit 20.
The copper foil layer 30 may be formed by a die cutting process.
The copper foil branch lines 32 are fixed on the radiating element 20 in the same manner as the copper foil strips 31 are fixed on the antenna panel 10, such as by gluing or embedding on the radiating element 20 with a non-metallic material. For the back adhesive bonding manner, the selection and setting of the back adhesive can refer to the setting of the back adhesive layer 30 between the copper foil layer 30 and the antenna panel 10; for the non-metal material bonding method, the non-metal material is selected and disposed with reference to the disposition of the non-metal material layer 50 between the copper foil layer 30 and the antenna panel 10.
In addition, the radiation unit 20 is provided with a positioning groove (not shown) adapted to the free end of the copper foil branch line 32, and the copper foil branch line 32 can be arranged in or above the positioning groove. The back adhesive is arranged between the copper foil branch line 32 and the bottom surface of the positioning groove; the non-metallic material covers the copper foil branch lines and extends to the surface of the radiating element 20 at the periphery of the positioning slot, or the non-metallic material covers the copper foil branch lines and extends to fill the space between the copper foil branch lines and the positioning slot.
The communication base station antenna of the present invention further comprises a connector 60 threaded on the antenna panel 10. One end of the connector 60 protrudes out of the first surface of the antenna panel 10 and is electrically connected with the copper foil layer 30; the other end of the connector 60 is located on the second surface of the antenna panel 10.
In the embodiment shown in fig. 1, the communication base station antenna comprises two copper foil layers 30 and two connectors 60. The two copper foil layers 30 respectively connect the plurality of radiation units 20 in series, and the two joints 60 respectively connect the two copper foil layers 30.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The communication base station antenna is characterized by comprising an antenna panel, a plurality of radiating units arranged on the antenna panel at intervals, and at least one copper foil layer adhered or embedded on the antenna panel;
the copper foil layer is used as a signal strip line to connect the plurality of radiation units in series.
2. The communication base station antenna of claim 1, further comprising a backing layer disposed between the copper foil layer and the antenna panel; the copper foil layer is adhered to the antenna panel through the back adhesive layer.
3. The antenna of claim 2, wherein the antenna panel has a receiving cavity corresponding to the copper foil layer, and the adhesive layer is received in the receiving cavity to adhere the copper foil layer in or above the receiving cavity.
4. The communication base station antenna of claim 1, wherein the copper foil layer is embedded in the surface of the antenna panel by melting the surface of the antenna panel by heating.
5. The antenna of claim 4, wherein the antenna panel is formed with a covering portion covering opposite ends of the copper foil layer.
6. The communication base station antenna of claim 1, further comprising a non-metallic material layer; the non-metal material layer covers the copper foil layer and the antenna panel through hot melting, and the copper foil layer is adhered to the antenna panel.
7. The antenna of claim 6, wherein a receiving slot is formed in the antenna panel corresponding to the copper foil layer, and the copper foil layer is disposed in the receiving slot.
8. The antenna for a communication base station according to claim 7, wherein a main portion of the non-metal material layer covers the copper foil layer, and an edge portion of the non-metal material layer extends to a surface of the antenna panel on a periphery of the accommodating groove.
9. The antenna for a communication base station of claim 7, wherein a space is left between the copper foil layer and the inner wall of the receiving groove, a main portion of the non-metal material layer covers the copper foil layer, and an edge portion of the non-metal material layer covers a side surface of the copper foil layer and fills the space.
10. The communication base station antenna of any of claims 1-9, wherein the copper foil layer comprises a copper foil strip disposed on the antenna panel, a plurality of copper foil branches extending outwardly from the copper foil strip; the free end of the copper foil branch line extends and is connected to the radiation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110361750.1A CN113241515B (en) | 2021-04-02 | 2021-04-02 | Communication base station antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110361750.1A CN113241515B (en) | 2021-04-02 | 2021-04-02 | Communication base station antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113241515A true CN113241515A (en) | 2021-08-10 |
| CN113241515B CN113241515B (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110361750.1A Active CN113241515B (en) | 2021-04-02 | 2021-04-02 | Communication base station antenna |
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| Country | Link |
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| CN (1) | CN113241515B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070205952A1 (en) * | 2006-03-03 | 2007-09-06 | Gang Yi Deng | Broadband single vertical polarized base station antenna |
| CN101609926A (en) * | 2008-06-17 | 2009-12-23 | 深圳市华阳微电子有限公司 | Adopt the ultrahigh frequency electronic tag and the manufacture method thereof of separated antennae |
| US20090315320A1 (en) * | 2006-09-26 | 2009-12-24 | Advanced Microelectronic And Automation Technology Ltd. | Inlays for security documents |
| US8860625B2 (en) * | 2011-10-07 | 2014-10-14 | Laird Technologies Ab | Antenna assemblies having transmission lines suspended between ground planes with interlocking spacers |
| CN208424894U (en) * | 2018-06-05 | 2019-01-22 | 深圳市信维通信股份有限公司 | A kind of FPC antenna plate |
| CN110323556A (en) * | 2019-05-08 | 2019-10-11 | 深圳市大富科技股份有限公司 | A kind of active antenna element and antenna element for base station |
| CN110350297A (en) * | 2019-06-30 | 2019-10-18 | 瑞声科技(新加坡)有限公司 | A kind of radiation appliance and antenna for base station |
| CN110611158A (en) * | 2019-09-24 | 2019-12-24 | 中国电子科技集团公司第三十八研究所 | Phased array antenna correction network |
| CN210576472U (en) * | 2019-05-24 | 2020-05-19 | 中兴通讯股份有限公司 | Antenna oscillator, antenna unit, antenna and communication equipment |
| CN111430901A (en) * | 2020-01-17 | 2020-07-17 | 上海阿莱德实业股份有限公司 | Antenna housing integrating antennas for 5G base station and preparation method thereof |
| CN211858887U (en) * | 2020-06-10 | 2020-11-03 | 罗森伯格技术有限公司 | 5G antenna unit and 5G antenna |
| CN112186341A (en) * | 2020-09-29 | 2021-01-05 | 华南理工大学 | Base station antenna, low-frequency radiation unit and radiation arm |
-
2021
- 2021-04-02 CN CN202110361750.1A patent/CN113241515B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070205952A1 (en) * | 2006-03-03 | 2007-09-06 | Gang Yi Deng | Broadband single vertical polarized base station antenna |
| US20090315320A1 (en) * | 2006-09-26 | 2009-12-24 | Advanced Microelectronic And Automation Technology Ltd. | Inlays for security documents |
| CN101609926A (en) * | 2008-06-17 | 2009-12-23 | 深圳市华阳微电子有限公司 | Adopt the ultrahigh frequency electronic tag and the manufacture method thereof of separated antennae |
| US8860625B2 (en) * | 2011-10-07 | 2014-10-14 | Laird Technologies Ab | Antenna assemblies having transmission lines suspended between ground planes with interlocking spacers |
| CN208424894U (en) * | 2018-06-05 | 2019-01-22 | 深圳市信维通信股份有限公司 | A kind of FPC antenna plate |
| CN110323556A (en) * | 2019-05-08 | 2019-10-11 | 深圳市大富科技股份有限公司 | A kind of active antenna element and antenna element for base station |
| CN210576472U (en) * | 2019-05-24 | 2020-05-19 | 中兴通讯股份有限公司 | Antenna oscillator, antenna unit, antenna and communication equipment |
| CN110350297A (en) * | 2019-06-30 | 2019-10-18 | 瑞声科技(新加坡)有限公司 | A kind of radiation appliance and antenna for base station |
| CN110611158A (en) * | 2019-09-24 | 2019-12-24 | 中国电子科技集团公司第三十八研究所 | Phased array antenna correction network |
| CN111430901A (en) * | 2020-01-17 | 2020-07-17 | 上海阿莱德实业股份有限公司 | Antenna housing integrating antennas for 5G base station and preparation method thereof |
| CN211858887U (en) * | 2020-06-10 | 2020-11-03 | 罗森伯格技术有限公司 | 5G antenna unit and 5G antenna |
| CN112186341A (en) * | 2020-09-29 | 2021-01-05 | 华南理工大学 | Base station antenna, low-frequency radiation unit and radiation arm |
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| Publication number | Publication date |
|---|---|
| CN113241515B (en) | 2022-06-14 |
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