CN210350089U - Aluminum substrate laminated plate structure for Massive MIMO antenna - Google Patents
Aluminum substrate laminated plate structure for Massive MIMO antenna Download PDFInfo
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- CN210350089U CN210350089U CN201921411486.2U CN201921411486U CN210350089U CN 210350089 U CN210350089 U CN 210350089U CN 201921411486 U CN201921411486 U CN 201921411486U CN 210350089 U CN210350089 U CN 210350089U
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- mimo antenna
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Abstract
The utility model discloses an aluminum substrate laminated plate structure for Massive MIMO antenna, which comprises a vibrator, a double-sided PCB and an aluminum substrate laminated plate which are connected in sequence from top to bottom; the aluminum base laminated board is composed of a copper-clad layer, a ceramic hydrocarbon board, a prepreg and an aluminum base board, the upper surface and the lower surface of the ceramic hydrocarbon board are respectively covered with the copper-clad layer to form the upper layer part of the aluminum base laminated board, the aluminum base board forms the lower layer part of the aluminum base laminated board, and the ceramic hydrocarbon board positioned on the upper layer part of the aluminum base laminated board is connected with the aluminum base board positioned on the lower layer part of the aluminum base laminated board through the prepreg. The utility model solves the problem that the cost of the laminated board is higher in the Massive MIMO antenna, and reduces the cost of the laminated board, thereby reducing the cost of the Massive MIMO antenna and facilitating the better popularization of 5G; the lightweight design requirement of the Massive MIMO antenna is met, and the overall weight of the antenna is reduced as much as possible.
Description
Technical Field
The utility model relates to a 5G antenna technical field, in particular to an aluminum substrate laminated plate structure for Massive MIMO antenna.
Background
At present, the structural hierarchy of Massive MIMO antennas is mostly: the oscillator, two-sided PCB board, reflecting plate and lamination board. With the large-scale commercial use of the Massive MIMO antenna, the structure of the Massive MIMO antenna has the following disadvantages:
first, in a Massive MIMO antenna, the use of a laminated plate is increasing, and the laminated plate currently used in the Massive MIMO antenna is a lamination of two ceramic-filled hydrocarbon plates. The dielectric constant of the laminated board is low;
in addition, the cost of the carbon-hydrogen plate filled with the ceramic is high, and the ratio of the cost of the laminated plate in a Massive MIMO antenna reaches about 30%, so that the cost of the Massive MIMO antenna is high;
secondly, Massive MIMO antennas require lightweight design, and the currently used reflector plate is made of aluminum alloy but occupies a large proportion, increasing the overall weight of the antenna.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to solve the above-mentioned deficiencies of the prior art, the present invention provides an aluminum substrate laminated plate structure for a Massive MIMO antenna, which solves the problem that the cost of the laminated plate is high in the Massive MIMO antenna, and reduces the cost of the laminated plate, thereby reducing the cost of the Massive MIMO antenna so as to facilitate the popularization of 5G; the requirement of MassiveMIMO antenna light weight design is met, and the whole weight of the antenna is reduced as much as possible.
In order to achieve the above object, the utility model adopts the following technical scheme:
an aluminum substrate laminated plate structure for a Massive MIMO antenna, wherein the Massive MIMO antenna comprises an oscillator, a double-sided PCB and an aluminum substrate laminated plate which are sequentially connected from top to bottom;
the aluminum base laminated board is composed of a copper coating layer, a ceramic hydrocarbon board, a prepreg and an aluminum base board, the upper surface and the lower surface of the ceramic hydrocarbon board are respectively coated with the copper coating layer to form the upper layer part of the aluminum base laminated board, the aluminum base board forms the lower layer part of the aluminum base laminated board, the ceramic hydrocarbon board positioned on the upper layer part of the aluminum base laminated board is connected with the aluminum base board positioned on the lower layer part of the aluminum base laminated board through the prepreg.
Furthermore, the prepreg is a bonding sheet composed of resin and a reinforcing material.
Furthermore, the structural layers of the aluminum substrate laminated plate are sequentially a copper-clad layer, a ceramic hydrocarbon plate, a copper-clad layer, a prepreg and an aluminum substrate from top to bottom.
Further, the aluminum substrate is composed of a dielectric layer and an aluminum alloy plate.
Furthermore, the aluminum substrate is composed of a copper-clad layer, a dielectric layer and an aluminum alloy plate.
Further, the aluminum substrate laminate includes an aluminum alloy face and a copper-clad face.
Furthermore, the copper clad layers on the upper and lower surfaces of the ceramic hydrocarbon plate form two circuit layers of the aluminum base laminated plate.
Furthermore, the oscillator has the form of die casting, sheet metal, PCB and plastic electroplating.
Furthermore, the oscillator is connected with the double-sided PCB board in a welding or coupling mode.
Further, the circuit layers between the double-sided PCB board and the aluminum substrate laminated board are connected through the feed pins.
The utility model has the advantages that:
the utility model discloses an aluminum substrate laminated sheet structure for Massive MIMO antenna, solve the laminated sheet and have a higher cost problem in Massive MIMO antenna, thereby reduce laminated sheet cost and reduce Massive MIMO antenna cost so that 5G is better popularized; the lightweight design requirement of the Massive MIMO antenna is met, and the overall weight of the antenna is reduced as much as possible. The concrete points are as follows:
the aluminum base laminated plate is outstanding in structural innovation, the prepreg is utilized to bond the ceramic hydrocarbon plate with two copper-clad surfaces and the aluminum base plate together to form the aluminum base laminated plate required by the Massive MIMO antenna, and the aluminum base laminated plate is simple and efficient and has good use function;
the aluminum substrate is used for replacing a ceramic-filled hydrocarbon plate on one surface of the traditional laminated plate, and the formed aluminum substrate laminated plate is applied to a Massive MIMO antenna, so that the cost is greatly reduced;
the aluminum substrate laminated board is used for replacing the technology that the reflecting board and the hydrocarbon board filled with ceramic in the laminated board are combined together in the prior art, so that the weight and the process burden are greatly reduced;
the utility model discloses in, the aluminium base material laminated board is with low costs and reduced the use of original metal reflecting plate than the hydrocarbon board of pottery to reduce the total cost of Massive MIMO antenna, alleviate Massive MIMO antenna weight.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an aluminum substrate laminate;
FIG. 3 is a schematic structural view of the aluminum substrate laminate of example 1;
FIG. 4 is a schematic structural view of the aluminum substrate laminate of example 2;
FIG. 5 is a schematic diagram of an embodiment of the present invention;
FIG. 6 shows a wiring layer 1 of an aluminum substrate laminate formed by the copper clad layer on top of a ceramic hydrocarbon sheet;
FIG. 7 is a wiring layer 2 of an aluminum substrate laminate formed by the copper clad layer on top of a ceramic hydrocarbon sheet;
FIG. 8 is a schematic structural view of an aluminum substrate laminate;
fig. 9 is a schematic diagram of a prior art antenna structure;
FIG. 10 is a schematic view of the structure of a prior art laminate 9;
the labels in the figure are: 1. the double-sided PCB comprises a vibrator, 2, a double-sided PCB, 3, an aluminum substrate laminated board, 301, an aluminum alloy surface, 302, a copper-clad surface, 4, a copper-clad layer, 5, a ceramic hydrocarbon board, 6, a prepreg, 7, an aluminum substrate, 8, a reflecting board, 9, a laminated board, 10, a dielectric layer, 11 and an aluminum alloy board.
Detailed Description
The following provides specific embodiments, which will further clearly, completely and specifically explain the technical solutions of the present invention. The present embodiment is the best embodiment based on the technical solution of the present invention, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, an aluminum substrate laminated plate structure for a Massive MIMO antenna includes an element 1, a double-sided PCB 2 and an aluminum substrate laminated plate 3 which are sequentially connected from top to bottom;
as shown in fig. 2, the aluminum base laminated plate 3 is composed of a copper clad layer 4, a ceramic hydrocarbon plate 5, a prepreg 6, and an aluminum base plate 7, wherein the upper and lower surfaces of the ceramic hydrocarbon plate 5 are respectively covered with copper clad layers 4 to form an upper layer portion of the aluminum base laminated plate 3, the aluminum base plate 7 forms a lower layer portion of the aluminum base laminated plate 3, and the ceramic hydrocarbon plate 5 located at the upper layer portion of the aluminum base laminated plate 3 is connected with the aluminum base plate 7 located at the lower layer portion of the aluminum base laminated plate 3 through the prepreg 6. In the utility model, the aluminum substrate laminated plate 3 has outstanding structural innovation, the prepreg 6 is utilized to bond the ceramic hydrocarbon plate 5 with two sides coated with copper and the aluminum substrate 7 together to form the aluminum substrate laminated plate 3 required by the Massive MIMO antenna, and the structure is simple and efficient and has good use function;
in the utility model, the aluminum substrate 7 is used to replace the carbon hydrogen plate filled with ceramic on one side of the traditional laminated board 9 and the formed aluminum substrate laminated board 3 is applied to the Massive MIMO antenna, thereby greatly reducing the cost;
the use of the aluminum substrate laminate 3 to replace the prior art approach of combining the reflector 8 and ceramic filled hydrocarbon plates in the laminate 9 greatly reduces the weight and process burden. Therefore, in the utility model discloses in, aluminium base material laminated board 3 is with low costs and reduced the use of original metal reflecting plate than the hydrocarbon board of pottery to reduce the total cost of Massive MIMO antenna, alleviate Massive MIMO antenna weight.
Furthermore, the oscillator 1 can be die-cast, metal plate, PCB and plastic plating. The oscillator 1 has various existing forms and can be selected according to the requirements of workers and actual conditions.
Further, the oscillator 1 is connected with the double-sided PCB 2 through welding or coupling. In the embodiment, the connection mode between the oscillator 1 and the double-sided PCB board 2 is a coupling mode, which is efficient and fast, and can embody the functionality of the circuit board and prevent from being damaged in the welding process.
Furthermore, the circuit layer between the double-sided PCB 2 and the aluminum substrate laminated board 3 is connected through the feed pin, and the connection mode is simple and effective and meets the structure and connection requirements of the circuit layer.
Further, as shown in fig. 2, the aluminum-based laminated sheet 3 includes, in order from top to bottom, a copper-clad layer 4, a ceramic hydrocarbon sheet 5, a copper-clad layer 4, a prepreg 6, and an aluminum substrate 7. The aluminum base material laminated plate 3 is outstanding in structural innovation, the prepreg 6 is utilized to bond the ceramic hydrocarbon plate 5 with two sides coated with copper and the aluminum base plate 7 together to form the aluminum base material laminated plate 3 required by the Massive MIMO antenna, the structural hierarchy has good use functions, the cost and the weight of the antenna are greatly reduced, and the antenna is light and multifunctional, so that the 5G antenna is more popular.
Further, as shown in fig. 3, in the present embodiment 1, the aluminum substrate laminated sheet 3 is composed of a copper clad layer 4, a ceramic hydrocarbon plate 5, a prepreg 6, and an aluminum substrate 7, and the aluminum substrate 7 is composed of a dielectric layer 10 and an aluminum alloy plate 11. The dielectric layer 10 and the aluminum alloy plate 11 are sequentially connected from top to bottom, and the dielectric layer 10 of the aluminum substrate 7 is tightly connected with the prepreg 6 above.
Further, as shown in fig. 4, in the present embodiment 2, the aluminum substrate laminated sheet 3 is composed of a copper clad layer 4, a ceramic hydrocarbon plate 5, a prepreg 6, and an aluminum substrate 7, and the aluminum substrate 7 is composed of a copper clad layer 4, a dielectric layer 10, and an aluminum alloy plate 11. The copper-clad layer 4, the dielectric layer 10 and the aluminum alloy plate 11 are sequentially connected from top to bottom, and the copper-clad layer 4 of the aluminum substrate 7 is tightly connected with the prepreg 6 above.
Further, the dielectric layer 10 is an insulating layer. And then realized aluminium base board 7's structural level connect closely, set up rationally, guaranteed aluminium base board 7's performance better, better cooperation the 5G popularization of antenna.
Further, the aluminum substrate laminate 3 includes an aluminum alloy surface 301 and a copper clad surface 302. As shown in fig. 5, in actual use, the aluminum substrate laminate 3 may be used upside down, and the aluminum alloy surface 301 of the aluminum substrate laminate 3 near the aluminum substrate 7 is connected to the upper double-sided PCB 2, and the copper-clad surface 302 of the aluminum substrate laminate 3 near the ceramic hydrocarbon plate 5 is shown at the lowest position.
Further, as shown in fig. 6 and 7, the two wiring layers of the aluminum base laminated sheet 3 are formed by the copper clad layers 4 on both the upper and lower surfaces of the ceramic hydrocarbon sheet 5.
Further, the prepreg 6 is a bonding sheet composed of resin and a reinforcing material. The prepreg 6 provides good adhesion in the middle.
Further, as shown in fig. 8, the aluminum substrate 7 has a uniform and effective texture.
The utility model discloses application in Massive MIMO antenna as follows: as shown in fig. 5, the Massive MIMO antenna is provided with an oscillator 1, a double-sided PCB 2 and an aluminum substrate laminated board 3 sequentially from top to bottom, and in the actual use process, the aluminum substrate laminated board 3 can be turned upside down for use; in this embodiment, the aluminum alloy surface 301 of the aluminum substrate laminate 3 adjacent to the aluminum substrate 7 is connected to the upper double-sided PCB 2 by turning the aluminum substrate laminate 3 upside down as occasion demands, and the copper-clad surface 302 of the aluminum substrate laminate 3 adjacent to the ceramic hydrocarbon plate 5 is shown lowermost.
Further, as shown in fig. 9, the structure of the Massive MIMO antenna in the prior art is layered by an element 1, a double-sided PCB 2, a reflection plate 8 and a lamination plate 9. As shown in fig. 10, the laminated board 9 includes two ceramic hydrocarbon plates 5 covered with copper-clad layers 4 on two sides, respectively, and the two ceramic hydrocarbon plates 5 are connected by a prepreg 6 in between; the laminated board 9 sequentially comprises a copper-clad layer 4, a ceramic hydrocarbon board 5, a copper-clad layer 4, a prepreg 6, the copper-clad layer 4, the ceramic hydrocarbon board 5 and the copper-clad layer 4 from top to bottom in structural hierarchy;
however, in the prior art Massive MIMO antenna, the use of the conventional 9 laminated plates is increasing, and the laminated plate currently used in the Massive MIMO antenna is the lamination of the two ceramic-filled hydrocarbon plates. First, such laminates 9 have a low dielectric constant; secondly, the ceramic hydrocarbon plate 5 is high in cost, and the ratio of the cost of the laminated plate 9 in the Massive MIMO antenna reaches about 30%, so that the Massive MIMO antenna is high in cost; thirdly, Massive MIMO antenna requires lightweight design, and the reflecting plate 8 used at present occupies a large specific gravity even though it is made of aluminum alloy, increasing the overall weight of the antenna. Therefore, the structure of the Massive MIMO antenna and the laminated board 9 used in the prior art shown in fig. 8 and 9 has many disadvantages to be improved, which seriously affect the functional effect and safety of the actual use, and have insufficient practicability, and cannot maximize the benefit.
To sum up, the utility model discloses an aluminium base material laminated plate structure for Massive MIMO antenna, the utility model discloses a wherein one side of the ceramic hydrocarbon board in the laminated plate that Massive MIMO antenna used is changed for aluminium base board to reflecting plate and laminated plate among the prior art scheme use aluminium base material laminated plate to replace. In the utility model, the aluminum substrate laminated board has outstanding design innovation, the use function can be well ensured while the antenna components, cost and weight are reduced, and the practicability is stronger; the aluminum substrate is lower in cost than a hydrocarbon ceramic plate, and the use of an original metal reflecting plate is reduced, so that the total cost of the Massive MIMO antenna is reduced, and the weight of the Massive MIMO antenna is reduced.
The essential features, the basic principle and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that the present invention can be modified in various ways according to the actual situation without departing from the spirit and scope of the present invention, and these modifications and improvements are all within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An aluminum substrate laminate structure for a Massive MIMO antenna, characterized by: the Massive MIMO antenna comprises a vibrator (1), a double-sided PCB (printed circuit board) and an aluminum substrate laminated board (3), which are sequentially connected from top to bottom;
aluminium base laminated board (3) comprise by covering copper layer (4), ceramic hydrocarbon board (5), prepreg (6), aluminium base board (7), constitute after establishing covering copper layer (4) respectively on the upper and lower face of ceramic hydrocarbon board (5) the upper portion part of aluminium base laminated board (3), aluminium base board (7) form the lower floor part of aluminium base laminated board (3), be located aluminium base laminated board (3) upper portion part ceramic hydrocarbon board (5) and be located aluminium base laminated board (3) lower floor part connect through prepreg (6) between aluminium base board (7).
2. The aluminum substrate laminate structure for Massive MIMO antenna as claimed in claim 1, wherein: the prepreg (6) is a bonding sheet composed of resin and a reinforcing material.
3. The aluminum substrate laminate structure for Massive MIMO antenna as claimed in claim 1, wherein: the aluminum-based laminated board (3) is sequentially provided with a copper-clad layer (4), a ceramic hydrocarbon board (5), a copper-clad layer (4), a prepreg (6) and an aluminum substrate (7) from top to bottom in a structural hierarchy.
4. An aluminum substrate laminate structure for Massive MIMO antennas according to claim 3, wherein: the aluminum substrate (7) is composed of a dielectric layer (10) and an aluminum alloy plate (11).
5. An aluminum substrate laminate structure for Massive MIMO antennas according to claim 3, wherein: the aluminum substrate (7) is composed of a copper-clad layer (4), a dielectric layer (10) and an aluminum alloy plate (11).
6. The aluminum substrate laminate structure for Massive MIMO antenna as claimed in claim 1, wherein: the aluminum substrate laminate (3) includes an aluminum alloy surface (301) and a copper-clad surface (302).
7. The aluminum substrate laminate structure for Massive MIMO antenna as claimed in claim 1, wherein: copper-clad layers (4) on the upper surface and the lower surface of the ceramic carbon-hydrogen plate (5) form two circuit layers of the aluminum base material laminated plate (3).
8. The aluminum substrate laminate structure for Massive MIMO antenna as claimed in claim 1, wherein: the oscillator (1) is in the form of die casting, metal plates, PCB and plastic electroplating.
9. The aluminum substrate laminate structure for Massive MIMO antenna as claimed in claim 1, wherein: the oscillator (1) is connected with the double-sided PCB (2) in a welding or coupling mode.
10. The aluminum substrate laminate structure for Massive MIMO antenna as claimed in claim 1, wherein: and the circuit layer between the double-sided PCB (2) and the aluminum substrate laminated board (3) is connected through a feed pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411486.2U CN210350089U (en) | 2019-08-28 | 2019-08-28 | Aluminum substrate laminated plate structure for Massive MIMO antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411486.2U CN210350089U (en) | 2019-08-28 | 2019-08-28 | Aluminum substrate laminated plate structure for Massive MIMO antenna |
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| Publication Number | Publication Date |
|---|---|
| CN210350089U true CN210350089U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921411486.2U Active CN210350089U (en) | 2019-08-28 | 2019-08-28 | Aluminum substrate laminated plate structure for Massive MIMO antenna |
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| Country | Link |
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| CN (1) | CN210350089U (en) |
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