CN107069215B - MIMO antenna with all-metal shell - Google Patents
MIMO antenna with all-metal shell Download PDFInfo
- Publication number
- CN107069215B CN107069215B CN201710084579.8A CN201710084579A CN107069215B CN 107069215 B CN107069215 B CN 107069215B CN 201710084579 A CN201710084579 A CN 201710084579A CN 107069215 B CN107069215 B CN 107069215B
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- nail group
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- 239000002184 metal Substances 0.000 title claims abstract description 89
- 238000004891 communication Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 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
-
- 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
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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- Waveguide Aerials (AREA)
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Abstract
The invention discloses an MIMO antenna with an all-metal shell, which comprises a circuit board, a metal patch, a metal shell and a short circuit nail group, wherein the metal patch is printed and covered on the circuit board; the short circuit nail group is nailed on the circuit board and the metal shell, so that the metal patch is electrically connected with the metal shell. The antenna is designed by adopting the all-metal conductor, all parts are electrically connected through the metal conductor, and then the metal shell of the communication equipment also becomes a part of the antenna, so that the frequency band coverage of the antenna is increased, and the design of the antenna is successfully completed. The novel antenna has the advantages of simple structure and stable performance, and can greatly improve the design efficiency.
Description
Technical Field
The invention relates to the field of antennas, in particular to an all-metal-shell MIMO antenna.
Background
With the rapid development of mobile communication technology, the requirements of consumers on the quality and appearance of communication equipment (such as mobile phones) are higher and higher, at present, most of the existing communication equipment adopts a metal shell, and the metal shell is favored by consumers due to the beautiful appearance, firm structure and metal texture. However, the all-metal casing communication device brings great difficulty to the antenna design, and in general, in order to ensure the transmission of communication signals, we need to slit the metal casing and cover the antenna area with non-metal material instead. However, this design method not only affects the structural strength of the communication device, but also increases the difficulty of the manufacturing process and also affects the appearance of the entire communication device.
Disclosure of Invention
In order to overcome at least one of the above-mentioned drawbacks of the prior art, the present invention provides an MIMO antenna with an all-metal housing.
In order to solve the technical problems, the technical scheme of the invention is as follows: an all-metal-shell MIMO antenna comprises a circuit board, a metal patch, a metal shell and a short circuit nail group, wherein the metal patch is printed and covered on the circuit board; the short circuit nail group is nailed on the circuit board and the metal shell, so that the metal patch is electrically connected with the metal shell.
In a preferred embodiment, the MIMO antenna further includes 2 coaxial feeding connectors, which are a first coaxial feeding connector and a second coaxial feeding connector respectively; the coaxial feed connector comprises a feed end and a grounding end, the feed end is electrically connected with the metal patch, and the grounding end is electrically connected with the metal shell. Or the feed end is electrically connected with the metal shell, and the grounding end is electrically connected with the metal patch.
In a preferred technical scheme, the circuit board and the metal shell are horizontally arranged.
In a preferred technical scheme, the metal patch is printed and covered on the circuit board to be used as a grounding terminal.
In a preferred technical scheme, the short circuit nail groups comprise 4 groups, namely a first short circuit nail group, a second short circuit nail group, a third short circuit nail group and a fourth short circuit nail group, wherein each group consists of a plurality of short circuit nails in a linear arrangement mode; the arrangement position mode of the short circuit nail groups is that the first short circuit nail group and the second short circuit nail group are vertically arranged and are respectively parallel to two sides of the metal shell to form a rectangle; the third short circuit nail group and the fourth short circuit nail group are vertically arranged, are respectively parallel to two sides of the metal shell to form a rectangle, and are not crossed and overlapped with the first short circuit nail group and the second short circuit nail group.
In a preferred technical scheme, the first coaxial feed joint is positioned in a rectangular area surrounded by the first short-circuit pin group and the second short-circuit pin group; the second coaxial feed connector is positioned in a rectangular area surrounded by the third short circuit nail group and the fourth short circuit nail group.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: an all-metal-shell MIMO antenna comprises a circuit board, a metal patch, a metal shell and a short circuit nail group, wherein the metal patch is printed and covered on the circuit board; the short circuit nail group is nailed on the circuit board and the metal shell, so that the metal patch is electrically connected with the metal shell. The antenna is designed by adopting the all-metal conductor, all parts are electrically connected through the metal conductor, and then the metal shell of the communication equipment also becomes a part of the antenna, so that the frequency band coverage of the antenna is increased, and the design of the antenna is successfully completed. This novel antenna structure is succinct, and the stable performance can improve design efficiency greatly, and antenna each item parameter circuit board, metal casing's size of a dimension to and the quantity of short-circuit nail, according to the nimble adjustment of function and the performance of antenna and the matching requirement that different units realized, have very strong practicality.
Drawings
Fig. 1 is a schematic plan top view of an all-metal MIMO antenna according to embodiment 1.
Fig. 2 is a schematic front perspective view of an all-metal MIMO antenna according to embodiment 1.
Fig. 3 is a return loss diagram of the MIMO antenna with an all-metal casing according to embodiment 1.
Fig. 4 is a schematic diagram of the isolation of the MIMO antenna of the all-metal casing according to embodiment 1.
Wherein: 1. a circuit board; 2. a metal patch; 3. a metal housing; 4. a short circuit nail group; 5. a first coaxial feed connection; 6. a second coaxial feed connection; 41. a first short circuit nail group; 42. a second short circuit nail group; 43. a third short staple set; 44 and a fourth short staple set.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1-2, an all-metal casing MIMO antenna comprises a circuit board 1, a metal patch 2, a metal casing 3 and a short circuit nail group 4, wherein the metal patch 2 is printed and covered on the circuit board 1; the short circuit nail group 4 is nailed on the circuit board 1 and the metal shell 3, so that the metal patch 2 is electrically connected with the metal shell 3.
In a specific implementation process, the MIMO antenna further includes 2 coaxial feed connectors, namely a first coaxial feed connector 5 and a second coaxial feed connector 6; the coaxial feed connector comprises a feed end and a grounding end, the feed end is electrically connected with the metal patch, and the grounding end is electrically connected with the metal shell. Or the feed end is electrically connected with the metal shell, and the grounding end is electrically connected with the metal patch.
In the specific implementation process, the circuit board 1 and the metal shell 3 are horizontally arranged.
In the specific implementation process, the metal patch 2 is printed and covered on the circuit board 1 to be used as a grounding terminal.
In the specific implementation process, the short circuit nail group 4 comprises 4 groups, namely a first short circuit nail group 41, a second short circuit nail group 42, a third short circuit nail group 43 and a fourth short circuit nail group 44, wherein each group is composed of a plurality of short circuit nails in a linear arrangement mode; the arrangement position mode of the short circuit nail group 4 is that a first short circuit nail group 41 and a second short circuit nail group 42 are vertically arranged and are respectively parallel to two sides of the metal shell 3 to form a rectangle; the third short circuit nail group 43 and the fourth short circuit nail group 44 are vertically arranged, are respectively parallel to two sides of the metal shell 3, form a rectangle, and are not crossed and overlapped with the first short circuit nail group 41 and the second short circuit nail group 42.
In the implementation process, the first coaxial feed connector 5 is positioned in a rectangular area surrounded by the first short-circuit pin group 41 and the second short-circuit pin group 42; the second coaxial feed connection 6 is located in the rectangular area surrounded by the third shorting pin group 43 and the fourth shorting pin group 44.
As shown in the return loss diagram of embodiment 1 in fig. 3, the antenna has small impedance and high efficiency in the frequency band range of 2 to 3GHz, and the center frequency, which is the middle optimal point of this range, is about 2.4 GHz.
As shown in the isolation diagram in embodiment 1 of fig. 4, the isolation between the two antennas is lower than-15 dB, which meets the requirement of the isolation of the antennas and can work normally.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (4)
1. The MIMO antenna with the all-metal shell is characterized by comprising a circuit board (1), a metal patch (2), a metal shell (3) and a short circuit nail group, wherein the metal patch (2) is printed and covered on the circuit board (1); the short circuit nail group is nailed on the circuit board (1) and the metal shell (3) to electrically connect the metal patch (2) and the metal shell (3);
the short circuit nail groups comprise 4 groups, namely a first short circuit nail group (41), a second short circuit nail group (42), a third short circuit nail group (43) and a fourth short circuit nail group (44), wherein each group consists of a plurality of short circuit nails in a linear arrangement mode; the arrangement position mode of the short circuit nail groups is that a first short circuit nail group (41) and a second short circuit nail group (42) are vertically arranged and are respectively parallel to two sides of the metal shell (3) to form a rectangle; the third short-circuit nail group (43) and the fourth short-circuit nail group (44) are vertically arranged, are respectively parallel to two sides of the metal shell (3), form a rectangle and are not crossed and overlapped with the first short-circuit nail group (41) and the second short-circuit nail group (42);
the MIMO antenna also comprises 2 coaxial feed connectors, namely a first coaxial feed connector (5) and a second coaxial feed connector (6); the coaxial feed connector comprises a feed end and a grounding end, the feed end is electrically connected with the metal patch, and the grounding end is electrically connected with the metal shell;
the first coaxial feed connector (5) is positioned in a rectangular area surrounded by the first short-circuit pin group (41) and the second short-circuit pin group (42); the second coaxial feed connector (6) is positioned in a rectangular area surrounded by the third short-circuit pin group (43) and the fourth short-circuit pin group (44).
2. The MIMO antenna with the all-metal shell is characterized by comprising a circuit board (1), a metal patch (2), a metal shell (3) and a short circuit nail group, wherein the metal patch (2) is printed and covered on the circuit board (1); the short circuit nail group is nailed on the circuit board (1) and the metal shell (3) to electrically connect the metal patch (2) and the metal shell (3);
the short circuit nail groups comprise 4 groups, namely a first short circuit nail group (41), a second short circuit nail group (42), a third short circuit nail group (43) and a fourth short circuit nail group (44), wherein each group consists of a plurality of short circuit nails in a linear arrangement mode; the arrangement position mode of the short circuit nail groups is that a first short circuit nail group (41) and a second short circuit nail group (42) are vertically arranged and are respectively parallel to two sides of the metal shell (3) to form a rectangle; the third short-circuit nail group (43) and the fourth short-circuit nail group (44) are vertically arranged, are respectively parallel to two sides of the metal shell (3), form a rectangle and are not crossed and overlapped with the first short-circuit nail group (41) and the second short-circuit nail group (42);
the MIMO antenna also comprises 2 coaxial feed connectors, namely a first coaxial feed connector (5) and a second coaxial feed connector (6); the coaxial feed joint comprises a feed end and a grounding end, the feed end is electrically connected with the metal shell, and the grounding end is electrically connected with the metal patch;
the first coaxial feed connector (5) is positioned in a rectangular area surrounded by the first short-circuit pin group (41) and the second short-circuit pin group (42); the second coaxial feed connector (6) is positioned in a rectangular area surrounded by the third short-circuit pin group (43) and the fourth short-circuit pin group (44).
3. The MIMO antenna with an all-metal housing as claimed in claim 1, wherein the circuit board (1) is disposed horizontally with respect to the metal housing (3).
4. The MIMO antenna with all metal casing as claimed in claim 2, wherein the metal patch (2) is printed and covered on the circuit board (1) as a ground terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710084579.8A CN107069215B (en) | 2017-02-16 | 2017-02-16 | MIMO antenna with all-metal shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710084579.8A CN107069215B (en) | 2017-02-16 | 2017-02-16 | MIMO antenna with all-metal shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107069215A CN107069215A (en) | 2017-08-18 |
| CN107069215B true CN107069215B (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710084579.8A Active CN107069215B (en) | 2017-02-16 | 2017-02-16 | MIMO antenna with all-metal shell |
Country Status (1)
| Country | Link |
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| CN (1) | CN107069215B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11005980B1 (en) | 2017-09-18 | 2021-05-11 | Lg Electronics Inc. | Mobile terminal |
| TWI678026B (en) | 2018-06-04 | 2019-11-21 | 啓碁科技股份有限公司 | Antenna structure |
| CN110600864B (en) * | 2018-06-12 | 2021-03-16 | 启碁科技股份有限公司 | Antenna structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201117807Y (en) * | 2007-11-12 | 2008-09-17 | 杭州电子科技大学 | Single power-feeding low contour back cavity double frequency bilinear polarization antenna |
| EP2159878A1 (en) * | 2008-08-28 | 2010-03-03 | ERA Technology Limited | Stacked patch antenna array |
| CN103326113A (en) * | 2012-03-23 | 2013-09-25 | 泰科电子(上海)有限公司 | Antenna assembly and mobile terminal |
-
2017
- 2017-02-16 CN CN201710084579.8A patent/CN107069215B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201117807Y (en) * | 2007-11-12 | 2008-09-17 | 杭州电子科技大学 | Single power-feeding low contour back cavity double frequency bilinear polarization antenna |
| EP2159878A1 (en) * | 2008-08-28 | 2010-03-03 | ERA Technology Limited | Stacked patch antenna array |
| CN103326113A (en) * | 2012-03-23 | 2013-09-25 | 泰科电子(上海)有限公司 | Antenna assembly and mobile terminal |
Non-Patent Citations (1)
| Title |
|---|
| 4-Element Yagi Array of Microstrip Quarter-Wave Patch Antennas;Juhua Liu等;《2013 IEEE International Wireless Symposium(IWS)》;20130418;全文 * |
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| CN107069215A (en) | 2017-08-18 |
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