CN111816993A - Direct-fed plastic electroplating antenna unit - Google Patents
Direct-fed plastic electroplating antenna unit Download PDFInfo
- Publication number
- CN111816993A CN111816993A CN202010499208.8A CN202010499208A CN111816993A CN 111816993 A CN111816993 A CN 111816993A CN 202010499208 A CN202010499208 A CN 202010499208A CN 111816993 A CN111816993 A CN 111816993A
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- Prior art keywords
- plastic
- direct
- antenna unit
- plastic carrier
- metal piece
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- 238000009713 electroplating Methods 0.000 title abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 51
- 229910052751 metal Inorganic materials 0.000 claims abstract description 51
- 230000005855 radiation Effects 0.000 claims abstract description 44
- 238000009826 distribution Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims description 9
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 6
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims description 6
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 238000005457 optimization Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000007747 plating Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—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
-
- 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
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
Landscapes
- Details Of Aerials (AREA)
Abstract
The invention relates to a direct-feed plastic electroplating antenna unit, which comprises a radiation surface, a metal piece, a plastic carrier and a power distribution network, wherein the power distribution network is realized on the plastic carrier through an LDS (laser direct structuring) process, and the radiation unit and the power distribution network are directly conducted through the metal piece in a direct-feed mode.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a direct-fed plastic electroplating antenna unit.
Background
With the development of communication technology, plastic plating is applied to the 5G antenna, and a unit module in the 5G antenna is designed and processed by using a plastic plating process. The plastic electroplating has two realization modes of selective electroplating and LDS, the LDS antenna technology is a Laser-Direct-structuring technology, the computer is utilized to control the movement of Laser according to the track of a conductive pattern, the Laser is projected on a molded three-dimensional plastic device, and a circuit pattern is activated within a few seconds.
At present, a unit module of a 5G antenna is mainly implemented by using a coupling feed and selective plating manner, for example, fig. 1 shows that the front and back sides of the antenna unit module are implemented in this manner, 11 is a radiation surface of the unit module, 12 is a power division network of the unit module, 13 is a plastic carrier, the radiation surface 11 and the power division network 12 are not directly connected but implemented in a coupling manner, and the radiation surface 11 and the power division network 12 are implemented on the plastic carrier 13 in a selective plating manner, but the limitation of the selective plating process can cause the reject ratio and the cost of parts to increase.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a direct-feed plastic electroplating antenna unit, wherein a power distribution network is realized on a plastic carrier through an LDS (laser direct structuring) process, a direct-feed mode is adopted, and a radiation unit and the power distribution network are directly conducted through a metal piece.
In order to achieve the purpose, the invention adopts the technical scheme that: a direct-feed plastic electroplating antenna unit comprises a radiation surface, a metal piece, a plastic carrier and a power distribution network, wherein the radiation surface is supported on the front surface of the plastic carrier, the power distribution network is realized on the back surface of the plastic carrier through a Laser Direct Structuring (LDS) process, the metal piece is fixed on the plastic carrier through in-mold injection molding, one end of the metal piece is connected with the radiation surface, the other end of the metal piece is connected with the power distribution network, and the radiation surface and the power distribution network are directly connected through the metal piece.
As a further optimization of the above technical solution, the metal part itself has an elastic buckle structure, a clamping groove corresponding to the elastic buckle structure is provided on the radiation surface, and the metal part is directly contacted and fixed with the radiation surface through the cooperation of the elastic buckle structure and the clamping groove.
As a further optimization of the above technical solution, the elastic buckle structure is a hook-shaped buckle formed by bending the end of the metal piece.
As a further optimization of the above technical solution, the distribution form of the power distribution network is one-to-two, one-to-three, or one-to-four.
As a further optimization of the above solution, the radiating surfaces are distributed in an array on a plastic carrier.
As a further optimization of the technical scheme, the metal piece is made of cupronickel, the plastic carrier is made of Liquid Crystal Polymer (LCP), and the plastic carrier is integrally formed in an injection molding mode.
As a further optimization of the above technical solution, the radiating surfaces are of a metal sheet structure, the number of metal pieces corresponding to each radiating surface is 4, and the metal pieces are symmetrically distributed along the center of the radiating surface.
As a further optimization of the above technical solution, the front side and the back side of the plastic carrier are both provided with a plurality of pillars, the pillars are integrally formed with the plastic carrier, the pillars on the front side correspond to the radiation surface and are used for supporting and fixing the radiation surface, and the pillars on the back side are used for connecting the antenna unit with the reflection plate or other components.
Advantageous effects
The power distribution network is directly formed on the plastic carrier by the LDS process, the power distribution network is diversified and is not limited to a specific distribution form or routing, a direct feed mode is adopted, the metal piece is integrally formed with the plastic carrier through in-mold injection molding, the radiation surface and the feed network are directly conducted, the number of parts is effectively reduced, welding spots do not exist, the structure is simple and compact, the assembly is convenient, compared with the prior art, the yield of products can be improved, the product cost is reduced, the light weight of the products is facilitated, and the development and batch production of the 5G frequency band antenna are facilitated.
Drawings
Fig. 1 is a block diagram of a prior art antenna unit;
FIG. 2 is a block diagram of an antenna unit of the present invention; wherein FIG. 2 (a) is a front structural view, and FIG. 2 (b) is a back structural view;
fig. 3 is a perspective view of another angle of the antenna unit of the present invention.
Reference numerals: 11. Radiating surface (prior art), 12, power distribution network (prior art), 13, plastic carrier (prior art), 21, radiating surface, 22, metal piece, 23, plastic carrier, 24, power distribution network, 25, strut, 26, elastic snap structure.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
The antenna radiation unit adopts a Direct feed mode, the power distribution network is realized on the plastic carrier by adopting an LDS (Laser-Direct-structuring) process, the radiation surface and the power distribution network are directly connected through a metal piece, and the operation is simple.
As shown in fig. 2-3, fig. 2 (a) and fig. 2 (b) respectively show two views of the front and back of the antenna unit of the present invention, so as to more fully show the antenna unit of the present invention, the antenna unit module of the present invention includes a radiation surface 21, a plastic carrier 23, a power distribution network 24 and a metal part 22, the radiation surface 21 is disposed on the front of the plastic carrier 23, and is supported by a pillar 25 integrally formed on the plastic carrier 23, and the power distribution network 24 is realized on the back of the plastic carrier 23 by a Laser Direct Structuring (LDS) method, which does not limit the distribution form and specific routing of the power distribution network, is very flexible and diversified, and can reduce the cost; the metal part 22 is arranged between the radiation surface 21 and the power distribution network 24, one end of the metal part is connected with the radiation surface 21, the other end of the metal part is conducted with the input end of the power distribution network 24, and the radiation surface 21 is directly conducted with the power distribution network 24 through the metal part 22 in a direct feed mode.
The radiation surface 21 may be a metal sheet structure, as shown in fig. 2, but is not limited thereto, the specific shape of the radiation surface 21 should be determined according to the actual network requirements, the fixing manner between the radiation surface 21 and the metal member 22 may be a snap connection, an insertion connection, a welding manner, and the like, but is not limited thereto, as shown in fig. 2, the metal member 22 itself has an elastic snap structure 26, the radiation surface 21 is provided with a corresponding slot, and the metal member 22 is directly contacted and fixed with the radiation surface 21 through the snap slot, the elastic snap structure 26 shown in fig. 2 is an elastic hook formed by bending a metal end, but is not limited to this type, the elastic snap structure 26 of the metal member 22 may be designed as other elastic snap structures according to the actual situation, as long as the snap connection with the corresponding slot on the radiation surface can be realized, the fixing manner between the metal member 22 and the radiation surface 21 is not, other suitable fixing modes can be selected according to actual conditions.
The metal part 22 is fixed on the plastic carrier 23 by an in-mold injection molding process, the plastic carrier is an integrally molded structure, and is usually integrally molded by an injection molding method, the material can be Liquid Crystal Polymer (LCP), but is not limited thereto, when the plastic carrier 23 is molded, the metal part 22 is pre-embedded at a position corresponding to the input end of the feed network 24, after the plastic carrier 23 is molded, the power distribution network 23 is formed on the plastic carrier 23 by laser activation and surface metallization through an LDS process, the metal part 22 is naturally electrically connected with the feed network 24, and further signal input is realized, the metal part 22 and the power distribution network 24 are realized by the realization method, the production speed is high, the efficiency is high, the material, the size, the shape and the like of the metal part 22 can be different according to the actual electrical performance requirements, the material can be white copper and the like, and the shape can be sheet, column, the size is determined by combining design parameters such as the structures of the radiation surface and the plastic carrier, the shape, the dielectric constant, the loss and the like of the plastic carrier 23 can be adjusted according to actual requirements, the support column 25 is a part of the plastic carrier 23 and is integrally formed with the plastic carrier 23 to mainly play a role in supporting and fixing, on one hand, the support column is used for supporting and fixing the radiation surface 21, and on the other hand, the support column is used for realizing the fixed support of the antenna unit module and the reflecting plate or other components.
After the plastic carrier 23 and the power distribution network 24 are formed, the radiation surface 21 needs to be installed, the installation hole and the slot on the radiation surface 21 are respectively aligned with the support 25 and the elastic buckling structure 26 on the metal piece 22, and then the downward pressing is performed, the elastic buckling structure 26 penetrates through the slot from bottom to top and then is clamped on the radiation surface 21, meanwhile, the support 26 and the installation hole on the radiation surface 21 form matching, under the supporting of the support 25 and the buckling effect of the buckle, the radiation surface 21 is stably supported on the plastic carrier 23, the metal piece 22 and the radiation surface 21 form reliable connection, and a direct-fed plastic electroplated antenna unit is formed.
The distribution form of the radiation surfaces on the plastic carrier may be an array form, such as 1 × 3, 1 × N, N × M, but is not limited thereto, and the number and arrangement of the radiation surfaces may be adjusted according to the actual size of the antenna.
It should be noted that the above-mentioned examples are only for better illustrating the present invention and are not to be construed as limiting the present invention; the invention does not limit the number, material, size and specific shape of the radiating units, and the skilled in the art can select and adjust the radiating units according to the actual needs, the invention does not limit the material, size, specific shape and fixed form of the radiating surface of the metal piece, and does not limit the size, structure, material, dielectric constant, loss and other electrical properties of the plastic carrier, the listed diagram is injection molding, and only is the invention better explained, but not limited to this way; the power division network in the present invention can have multiple implementation manners such as one-to-two, one-to-three, one-to-four, etc., and is not limited to specific routing of the power division network, but all implemented by the LDS process, and the illustration only illustrates the present invention for better illustration, and is not limited to the implementation manner of power division.
The antenna unit provided by the invention has the advantages of simple structure and high production efficiency, wherein the plastic carrier and the metal piece are formed by injection molding, the power distribution network is realized on the plastic carrier by the LDS process, the process is controllable, the assembly is simple, and the radiation surface is conducted with the power distribution network in a direct feed mode.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The direct-fed plastic electroplated antenna unit comprises a radiation surface (21), a metal piece (22), a plastic carrier (23) and a power distribution network (24), and is characterized in that the radiation surface (21) is supported on the front surface of the plastic carrier, the power distribution network (24) is realized on the back surface of the plastic carrier (23) through a Laser Direct Structuring (LDS) process, the metal piece (22) is fixed on the plastic carrier (23) through in-mold injection molding, one end of the metal piece (22) is connected with the radiation surface (21), the other end of the metal piece is connected with the power distribution network (24), and the radiation surface (21) and the power distribution network (24) are directly connected through the metal piece (22).
2. The direct-fed plastic electroplated antenna unit of claim 1, wherein the metal piece (22) has an elastic snap structure (26), the radiating surface (21) is provided with a slot corresponding to the elastic snap structure (26), and the metal piece (22) is directly contacted and fixed with the radiating surface (21) through the cooperation of the elastic snap structure (26) and the slot.
3. The direct-fed plastic electroplated antenna unit of claim 2, characterized in that the elastic snap-fit structure (26) is a hook-shaped snap-fit formed by bending the end of the metal piece (22).
4. A direct-fed electroplated plastic antenna unit as claimed in claim 1, wherein the power dividing network (24) is distributed in a form of one-to-two, one-to-three, or one-to-four.
5. A direct-fed plastic plated antenna unit according to claim 1, wherein the radiating surfaces (21) are distributed in an array on a plastic carrier (23).
6. The direct-fed plastic electroplated antenna unit of claim 1, characterized in that the metal piece (22) is made of cupronickel, the plastic carrier (23) is made of Liquid Crystal Polymer (LCP), and the plastic carrier (23) is integrally formed by injection molding.
7. The direct-fed plastic electroplated antenna unit of claim 1, wherein the radiating surface (21) is a metal sheet structure, and the number of metal pieces (22) corresponding to each radiating surface is 4, and the metal pieces are symmetrically distributed along the center of the radiating surface (21).
8. A direct-fed electroplated plastic antenna unit as claimed in claim 1, wherein the plastic carrier (23) is provided with a plurality of pillars (25) on both front and back sides, the pillars (25) are integrally formed with the plastic carrier (23), the pillars (25) on the front side correspond to the radiating surface (21) for supporting and fixing the radiating surface (21), and the pillars (25) on the back side are used for connecting the antenna unit with the reflector plate or other components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010499208.8A CN111816993A (en) | 2020-06-04 | 2020-06-04 | Direct-fed plastic electroplating antenna unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010499208.8A CN111816993A (en) | 2020-06-04 | 2020-06-04 | Direct-fed plastic electroplating antenna unit |
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| Publication Number | Publication Date |
|---|---|
| CN111816993A true CN111816993A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010499208.8A Pending CN111816993A (en) | 2020-06-04 | 2020-06-04 | Direct-fed plastic electroplating antenna unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106848599A (en) * | 2016-12-27 | 2017-06-13 | 中国电子科技集团公司第五十四研究所 | A kind of broadband circular polarization microstrip antenna array row of C-band aperture-coupled |
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| CN110676577A (en) * | 2019-10-14 | 2020-01-10 | 京信通信技术(广州)有限公司 | Antenna oscillator and array antenna |
| CN210040524U (en) * | 2019-06-25 | 2020-02-07 | 广东通宇通讯股份有限公司 | Antenna radiation oscillator guiding and loading device |
| CN111063996A (en) * | 2019-12-31 | 2020-04-24 | 华南理工大学 | Antenna module and 5G antenna |
| KR20200060975A (en) * | 2018-11-23 | 2020-06-02 | 주식회사 에이스테크놀로지 | Antenna in which an Array Radiating Element is formed in a Radome |
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2020
- 2020-06-04 CN CN202010499208.8A patent/CN111816993A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848599A (en) * | 2016-12-27 | 2017-06-13 | 中国电子科技集团公司第五十四研究所 | A kind of broadband circular polarization microstrip antenna array row of C-band aperture-coupled |
| CN107112621A (en) * | 2017-05-17 | 2017-08-29 | 广东通宇通讯股份有限公司 | A kind of radiating element and its antenna element and aerial array |
| CN107508037A (en) * | 2017-07-11 | 2017-12-22 | 上海安费诺永亿通讯电子有限公司 | Base station antenna unit and antenna for base station |
| CN108777362A (en) * | 2018-06-05 | 2018-11-09 | 成都电科星天科技有限公司 | The high-gain circular polarisation satellite earth antenna of anti-metal |
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Application publication date: 20201023 |
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| RJ01 | Rejection of invention patent application after publication |