CN109742507B - Intelligent television antenna and intelligent television - Google Patents
Intelligent television antenna and intelligent television Download PDFInfo
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- CN109742507B CN109742507B CN201811654637.7A CN201811654637A CN109742507B CN 109742507 B CN109742507 B CN 109742507B CN 201811654637 A CN201811654637 A CN 201811654637A CN 109742507 B CN109742507 B CN 109742507B
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Abstract
The invention provides an intelligent television antenna and an intelligent television, wherein the intelligent television antenna is arranged in the television, and the intelligent television antenna comprises: the printed circuit board comprises a first surface and a second surface which are opposite; a ground metal layer disposed on the first surface; at least two radiating areas, both arranged on the second surface; the metal loading layer is arranged on the second surface and located between the radiation areas, the metal loading layer is electrically connected with the grounding metal layer through a through hole penetrating through the printed circuit board, and the radiation areas are electrically connected with the metal loading layer to strengthen the vertical polarization characteristic of the radiation areas. The invention strengthens the vertical polarization characteristic, is beneficial to improving the data transmission throughput rate and the omni-directionality, and reduces the blind area of wireless signals of the television.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an intelligent television antenna and an intelligent television.
Background
With the improvement of the living standard, the size of the television becomes larger and larger. In the prior art, data traffic of a television is provided by a home wireless network, and a screen of a large-size television and a metal panel behind the screen both obstruct the television from receiving the wireless network, so that the television has a blind area incapable of receiving the wireless network, and the working performance of the television is influenced.
Disclosure of Invention
The invention mainly aims to provide an intelligent television antenna, and aims to solve the problem that a screen and a metal panel of a television obstruct the television from receiving wireless signals, so that the television has a wireless signal receiving blind area.
In order to achieve the above object, the present invention provides an intelligent tv antenna, which is disposed in a casing of a tv, and includes: the printed circuit board comprises a first surface and a second surface which are opposite; a ground metal layer disposed on the first surface; at least two radiating areas, both arranged on the second surface; the metal loading layer is arranged on the second surface and located between the radiation areas, the metal loading layer is electrically connected with the grounding metal layer through a through hole penetrating through the printed circuit board, and the radiation areas are electrically connected with the metal loading layer to strengthen the vertical polarization characteristic of the radiation areas.
Preferably, the radiation area includes a first radiation area and a second radiation area, and the first radiation area and the second radiation area are arranged oppositely along a long side of the printed circuit board.
Preferably, the metal loading layer includes a first metal layer and a second metal layer, the first metal layer is located between the first radiation area and the second radiation area and is parallel to the short side of the printed circuit board, the second metal layer is parallel to the long side of the printed circuit board and is close to the edge of the printed circuit board, and the first metal layer is electrically connected to the second metal layer.
Preferably, the first metal layer is electrically connected with the first radiation area and the second radiation area and blocks signals transmitted between the first radiation area and the second radiation area.
Preferably, the first radiation area and the second radiation area both include an excitation portion and a connection portion, the connection portion is electrically connected to the first metal layer, the excitation portion is parallel to the first metal layer and is electrically connected to the connection portion, and the excitation portion and an external wireless device transmit signals to each other.
Preferably, the metal loading layer further includes a third metal layer disposed opposite to the second metal layer, the first radiation region and the second radiation region are located between the second metal layer and the third metal layer, and the second metal layer is disposed near the connection portion; the third metal layer is electrically connected with the first metal layer, and the third metal layer generates a coupling magnetic field to strengthen the vertical polarization characteristic of the excitation part.
Preferably, the ground metal layer is disposed corresponding to the metal loading layer.
Preferably, the through hole is opened on the second metal layer.
Preferably, the ground metal layer is disposed corresponding to the first metal layer and the second metal layer, and the through hole is opened in the second metal layer.
The invention further provides an intelligent television, which comprises any one of the intelligent television antenna.
According to the technical scheme, the grounding metal layer and the at least two radiation areas are respectively arranged on the first surface and the second surface of the printed circuit board, and the metal loading layer is arranged on the second surface provided with the radiation areas to strengthen the vertical polarization characteristic of the radiation areas, wherein the metal loading layer is electrically connected with the grounding metal layer through the through hole penetrating through the printed circuit board, so that the horizontal radiation of the radiation areas is restrained, the vertical polarization characteristic is remarkably improved, and the data transmission throughput rate and the omni-directionality of the intelligent television antenna are remarkably improved.
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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of an antenna of a smart tv set according to the present invention;
FIG. 2 is a schematic diagram of a second surface structure of the printed circuit board of FIG. 1;
fig. 3 is a schematic structural diagram of another embodiment of the smart tv antenna according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | Printed |
13 | |
| 11a | First radiation zone | 131 | A |
| 11b | |
132 | |
| 111 | Connecting part | 133 | A |
| 112 | |
14 | Through hole |
| 12 | Grounding metal layer |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, the present invention provides an intelligent tv antenna, which is disposed in a housing of a tv, and includes: the printed circuit board 10 comprises a first surface and a second surface which are opposite to each other; a ground metal layer 12, the ground metal layer 12 being disposed on the first surface; at least two radiating areas 11, both arranged on said second surface; the metal loading layer 13 is disposed on the second surface and located between the radiation regions, the metal loading layer 13 is electrically connected to the ground metal layer 12 through a through hole 14 penetrating through the printed circuit board 10, and the two radiation regions are electrically connected to the metal loading layer 13 to enhance the vertical polarization characteristic of the radiation regions.
In the present embodiment, the grounding metal layer 12 is disposed on the first surface of the printed circuit board 10 and is grounded, and the grounding metal layer 12 and the metal loading layer 13 are electrically connected through the via 14. At least two radiation areas arranged on the second surface of the printed circuit board 10 are arranged at intervals and are far away from each other as far as possible, the radiation areas and external wireless equipment transmit signals with vertical polarization characteristics, and after the metal loading layer 13 is electrically connected with the radiation areas, the vertical polarization characteristics of signal transmission are enhanced, so that the data transmission throughput rate and the omni-directionality are improved, and the blind area of wireless signals of a television is reduced. Especially for some televisions with larger sizes, because the sizes of the panel of the television and the metal part behind the panel are larger, and the metal has stronger obstruction to signal transmission between the television and the external wireless equipment, a blind area for receiving and transmitting wireless signals exists in the intelligent television antenna arranged behind the panel, after the intelligent television antenna arranged on the printed circuit board 10 and the external wireless equipment perform data transmission with the vertical polarization characteristic, the data transmission throughput rate and the omni-direction are both obviously improved, and the service performance of the intelligent television is improved.
The grounding metal layer 12, the radiation area and the metal loading layer 13 are all printed on the printed circuit board 10 by metal materials, and compared with a common metal antenna, the metal antenna has the advantage of lower cost, and the manufacturing cost of the smart television is further reduced.
In this embodiment, the external wireless device performing data transmission with the smart tv antenna on the printed circuit board 10 is a WIFI router, and is adapted to an 802.11n wireless transmission protocol. In specific implementation, the signal transmission efficiency of the smart television antenna provided by the invention is greatly higher than that of a common metal antenna in a television, and taking a 2.4G-85 dBm WIFI router as an example, the comparison between the smart television antenna and the common metal antenna of the television is shown in the following table:
table 1 comparison of signal transmission throughput rates of smart tv antenna of the present invention and tv common metal smart tv antenna:
as can be seen from table 1, under the same external wireless device, the signal transmission efficiency of the smart tv antenna provided by the present invention is greatly superior to the signal transmission efficiency of the commonly used metal antenna, and in some angles, the throughput rate of the smart tv antenna provided by the present invention is even more than twice of the throughput rate of the commonly used metal smart tv antenna.
Further, the radiation regions include a first radiation region 11a and a second radiation region 11b, and the first radiation region 11a and the second radiation region 11b are disposed opposite to each other along a long side of the printed circuit board 10.
In a preferred embodiment, the first radiation area 11a and the second radiation area 11b are respectively located at two ends of the long side of the printed circuit board 10 and are close to the edge of the printed circuit board 10, so that the first radiation area 11a and the second radiation area 11b are far apart from each other, thereby reducing signal interference of the first radiation area 11a and the second radiation area 11 b. In the present embodiment, the first radiation region 11a and the second radiation region 11b are located at both ends of the printed circuit board 10 in a mirror-symmetrical manner, respectively.
Optionally, the metal loading layer 13 includes a first metal layer 131 and a second metal layer 132, the first metal layer 131 is located between the first radiation region 11a and the second radiation region 11b and is parallel to the short side of the printed circuit board 10, the second metal layer 132 is disposed parallel to the long side of the printed circuit board 10 and is close to the edge of the printed circuit board 10, wherein the first metal layer 131 is electrically connected to the second metal layer 132; the first metal layer 131 is electrically connected to the first radiation region 11a and the second radiation region 11b and blocks signals transmitted between the first radiation region 11a and the second radiation region 11b, so that horizontal radiation of the first radiation region 11a and the second radiation region 11b is suppressed, and vertical polarization discrimination is improved.
In the present embodiment, the first metal layer 131 is located at the middle position of the printed circuit board 10, and the first radiation region 11a and the second radiation region 11b are symmetrical with respect to the first metal layer 131 and are respectively close to two short sides of the printed circuit board. The first metal layer 131 is disposed between the first radiation area 11a and the second radiation area 11b, so that the isolation between the first radiation area 11a and the second radiation area 11b is enhanced, the first radiation area 11a and the second radiation area 11b are blocked from signal transmission, and the vertical polarization characteristic of signal transmission between the radiation area and the external wireless device is further improved.
In one embodiment, each of the first radiation region 11a and the second radiation region 11b includes an excitation portion 112 and a connection portion 111, the connection portion 111 is electrically connected to the first metal layer 131, the excitation portion 112 is parallel to the first metal layer 131 and electrically connected to the connection portion 111, and the excitation portion 112 and an external wireless device transmit signals to each other.
In the present embodiment, the two excitation portions 112 are close to the short side of the printed circuit board 10 and parallel to the short side of the printed circuit board 10, and the two excitation portions 112 are close to the second metal layer 132. The excitation portion 112 and the first metal layer 131 are electrically connected by the connection portion 111, and a signal is transmitted between the monopole element and an external wireless device.
Further, the metal loading layer 13 further includes a third metal layer 133 disposed opposite to the second metal layer 132, the first radiation region 11a and the second radiation region 11b are both located between the second metal layer 132 and the third metal layer 133, and the second metal layer 132 is disposed near the connection portion 111; the third metal layer 133 is electrically connected to the first metal layer 131, and the third metal layer 133 generates a coupling magnetic field to strengthen the vertical polarization characteristic of the excitation portion 112.
The third metal layer 133 and the second metal layer 132 are respectively disposed close to the long side of the printed circuit board 10 and parallel to the long side of the printed circuit board 10, the first radiation region 11a and the second radiation region 11b are disposed between the second metal layer 132 and the third metal layer 133 and are symmetrical with respect to the first metal layer 131, the third metal layer 133 is perpendicular to the excitation portion 112, and a coupling magnetic field is induced on the third metal layer 133, so that the vertical polarization characteristic of the excitation portion 112 is enhanced, the data transmission throughput of the smart tv antenna is improved, and the omnidirectional coverage in the horizontal plane is significantly improved.
Specifically, the ground metal layer 12 is disposed corresponding to the metal loading layer 13.
As an embodiment, as shown in fig. 1, the first metal layer 131, the second metal layer 132 and the second metal layer 132 form an i shape, the first radiation region 11a and the second radiation region 11b are located between the second metal layer 132 and the third metal layer 133 and are symmetrical with respect to the first metal layer 131, and the first radiation region 11a and the second radiation region 11b are disposed close to the second metal layer 132; the grounding metal layer 12 is also disposed on the first surface of the printed circuit board 10 in an "i" shape and is grounded (as shown in fig. 2), and the two "i" shapes are located on the first surface and the second surface of the printed circuit board 10 in mirror symmetry.
Optionally, the ground metal layer 12 is disposed corresponding to the first metal layer 131 and the second metal layer 132, and the through hole 14 is opened on the second metal layer 132.
In another embodiment, the first metal layer 131, the second metal layer 132 and the second metal layer 132 are disposed on the second surface of the printed circuit board 10 in an "i" shape, the first radiation region 11a and the second radiation region 11b are disposed between the second metal layer 132 and the third metal layer 133 and are symmetrical with respect to the first metal layer 131, and the first radiation region 11a and the second radiation region 11b are disposed close to the second metal layer 132; while no metal ground layer is printed on the first surface of the printed circuit board 10 at a position corresponding to the third metal layer 133, that is, in the embodiment, only the ground metal layer 12 is printed on the first surface of the printed circuit board 10 corresponding to the first metal layer 131 and the second metal layer 132, and at this time, the ground metal layer 12 on the first surface is "t" shaped.
In another embodiment, as shown in fig. 3, only the first metal layer 131 and the second metal layer 132 are printed on the second surface, and in this case, the metal loading layer 13 disposed on the second surface is "t" shaped. In this case, the ground metal layer 12 on the first surface may have a "t" shape or an "i" shape. When the grounding metal layer 12 on the first surface is also "t" shaped, the grounding metal layer 12 on the first surface and the metal loading layer 13 on the second surface are arranged in mirror symmetry.
Specifically, the through hole 14 is opened on the second metal layer 132.
In one embodiment, a conductive line is disposed through the through hole 14, and the ground metal layer 12 and the metal loading layer 13 are electrically connected through a conductive line (not shown).
The invention further provides an intelligent television, which comprises any one of the intelligent television antenna.
In this embodiment, the smart tv antenna is disposed in the housing of the smart tv, and performs signal transmission with the external wireless device by using the vertical polarization characteristic, the vertical polarization characteristic is strengthened by the metal loading layer 13, and the isolation between the radiation regions is improved by the "i" shaped grounding metal layer 12 or the "t" shaped grounding metal layer 12, so that the data transmission throughput and the omni-directional property of the smart tv are both significantly improved, and the use performance of the smart tv is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides an intelligent television antenna, its characterized in that, intelligent television antenna sets up in the casing of TV set, carries out signal transmission with external wireless device with the vertical polarization characteristic, intelligent television antenna includes:
the printed circuit board comprises a first surface and a second surface which are opposite;
a ground metal layer disposed on the first surface;
at least two radiating areas, both arranged on the second surface;
the metal loading layer is arranged on the second surface and located between the radiation areas, the metal loading layer is electrically connected with the grounding metal layer through a through hole penetrating through the printed circuit board, and the radiation areas are electrically connected with the metal loading layer so as to strengthen the vertical polarization characteristic of the radiation areas;
the radiation area comprises a first radiation area and a second radiation area, and the first radiation area and the second radiation area respectively comprise an excitation part and a connecting part;
the metal loading layer comprises a first metal layer, a second metal layer and a third metal layer arranged opposite to the second metal layer, the first metal layer is located between the first radiation area and the second radiation area, the first radiation area and the second radiation area are both located between the second metal layer and the third metal layer, the first metal layer is electrically connected with the second metal layer and the third metal layer, the third metal layer is perpendicular to the excitation part, and the third metal layer generates a coupling magnetic field to strengthen the vertical polarization characteristic of the excitation part.
2. The smart tv antenna according to claim 1, wherein the first radiation area and the second radiation area are disposed opposite to each other along a long side of the printed circuit board.
3. The smart tv antenna according to claim 1, wherein the first metal layer is parallel to a short side of the pcb, and the second metal layer is disposed parallel to a long side of the pcb and near an edge of the pcb.
4. The smart tv antenna as recited in claim 3, wherein the first metal layer is electrically connected to the first and second radiating areas and blocks signals from being transmitted between the first and second radiating areas.
5. The smart tv antenna according to claim 3, wherein the connecting portion is electrically connected to the first metal layer, the excitation portion is parallel to the first metal layer and electrically connected to the connecting portion, and the excitation portion and an external wireless device transmit signals to each other.
6. The smart tv antenna of claim 5, wherein the second metal layer is disposed proximate to the connection portion.
7. The smart tv antenna according to claim 3 or 6, wherein the grounding metal layer is disposed corresponding to the metal loading layer.
8. The smart tv antenna according to claim 7, wherein the via is opened on the second metal layer.
9. The smart tv antenna according to claim 6, wherein the ground metal layer is disposed corresponding to the first metal layer and the second metal layer, and the via is opened on the second metal layer.
10. An intelligent television, characterized in that the intelligent television comprises an intelligent television antenna according to any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811654637.7A CN109742507B (en) | 2018-12-29 | 2018-12-29 | Intelligent television antenna and intelligent television |
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| CN201811654637.7A CN109742507B (en) | 2018-12-29 | 2018-12-29 | Intelligent television antenna and intelligent television |
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| CN109742507B true CN109742507B (en) | 2021-08-06 |
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| CN113644412B (en) * | 2020-05-11 | 2023-01-20 | 深圳Tcl数字技术有限公司 | Signal transmission device |
| CN112670940B (en) * | 2021-01-14 | 2022-10-11 | 国网福建省电力有限公司云霄县供电公司 | Cable is prevented digging disconnected slot |
| CN112678760B (en) * | 2021-01-14 | 2022-08-19 | 南京禹智智能科技有限公司 | Automatic filling equipment of construction barreled grout |
| CN114976609B (en) * | 2021-02-26 | 2024-04-12 | 华为技术有限公司 | Printed circuit board and electronic equipment |
| CN117117495A (en) * | 2022-12-19 | 2023-11-24 | 深圳Tcl数字技术有限公司 | Antenna device and terminal equipment |
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| EP1569298A1 (en) * | 2004-02-24 | 2005-08-31 | Sony Ericsson Mobile Communications AB | Television antenna for a portable communication device |
| CN101924275A (en) * | 2009-06-09 | 2010-12-22 | 旭丽电子(广州)有限公司 | Antenna structure of broadband digital television |
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