CN214043994U - Antenna and electronic equipment - Google Patents
Antenna and electronic equipment Download PDFInfo
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- CN214043994U CN214043994U CN202023245578.3U CN202023245578U CN214043994U CN 214043994 U CN214043994 U CN 214043994U CN 202023245578 U CN202023245578 U CN 202023245578U CN 214043994 U CN214043994 U CN 214043994U
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Abstract
The utility model discloses an antenna and electronic equipment, the antenna includes: a substrate, a first radiation part, a second radiation part, a first feeding line and a second feeding line; the first radiation part is arranged on the substrate; the second radiation part is oppositely arranged on the substrate and is positioned on one side of the first radiation part; the first feed line is arranged on the substrate and positioned between the second radiation parts, and the first feed line is electrically connected with the first radiation parts; wherein, the junction of the first feed line and the first radiation part forms a first concave structure; the second feed line is oppositely arranged on the substrate and positioned on two sides of the first feed line, and the second feed line is electrically connected with the second radiation part; a gradually-changing gap with the width gradually increasing from one end of the first power supply line far away from the first radiation part to the first radiation part is formed between the first power supply line and the second power supply line. The utility model discloses can improve the impedance characteristic of antenna, realize the ultra wide band and match to can improve the radiation efficiency of antenna, and then promote the signal transmission effect.
Description
Technical Field
The utility model relates to a wireless communication technical field especially relates to an antenna and electronic equipment.
Background
The 5G intelligent television frequency band adopts two antenna frequency bands, namely a full-band antenna and a medium-high band antenna, and the type of the antenna belongs to an ultra-wideband antenna from the working frequency band angle.
According to the structural characteristics of televisions and the characteristics of use scenes, the intelligent televisions currently generally adopt a layout form of built-in antennas, and the appearance design of the 5G television is different from that of common televisions. In a 5G television, signal transmission is poor due to the wide metal back plate. Therefore, the radiation efficiency of the conventional 5G antenna as a television needs to be improved.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide an antenna and an electronic device to solve the problem of poor signal transmission of the existing 5G tv.
The technical scheme of the utility model as follows:
an antenna, comprising: base plate, first radiating part, second radiating part, first feeder line and second feeder line, wherein:
the first radiation part is arranged on the substrate;
the second radiation part is oppositely arranged on the substrate and is positioned on one side of the first radiation part;
the first feed line is arranged on the substrate and positioned between the second radiation parts, and the first feed line is electrically connected with the first radiation parts; wherein, the junction of the first feed line and the first radiation part forms a first concave structure;
the second feed line is oppositely arranged on the substrate and positioned on two sides of the first feed line, and the second feed line is electrically connected with the second radiation part;
a gradually-changing gap with the width gradually increasing from one end of the first power supply line far away from the first radiation part to the first radiation part is formed between the first power supply line and the second power supply line.
The utility model discloses a further setting, the antenna still includes: a coaxial line;
one end of the first feed line, which is far away from the first radiation part, is provided with a first pad;
the two oppositely arranged second feeder lines are electrically connected, and a second pad is arranged at the joint of the two second feeder lines;
the coaxial line is electrically connected with the first feeder line through the first bonding pad;
the coaxial line is electrically connected to the second feed line through the second land.
The utility model discloses a further setting, first spill structure is the arc structure.
The utility model discloses a further setting, first radiation portion are circular structure.
The utility model discloses a further setting, one side parallel and level that first feeder was kept away from to first radiation portion set up.
The utility model discloses a further setting, first radiation portion is provided with first through-hole.
The utility model discloses a further setting, the junction of second radiation portion and second feeder constitutes second concave structure.
The utility model discloses a further setting, second spill structure are the arc structure.
The utility model discloses a further setting, the base plate is flexible circuit board.
Based on the same inventive concept, the utility model also provides an electronic equipment, it includes:
a housing;
as described above, the antenna is provided on the housing.
The utility model provides an antenna and electronic equipment, the antenna includes: base plate, first radiating part, second radiating part, first feeder line and second feeder line, wherein: the first radiation part is arranged on the substrate; the second radiation part is oppositely arranged on the substrate and is positioned on one side of the first radiation part; the first feed line is arranged on the substrate and positioned between the second radiation parts, and the first feed line is electrically connected with the first radiation parts; wherein, the junction of the first feed line and the first radiation part forms a first concave structure; the second feed line is oppositely arranged on the substrate and positioned on two sides of the first feed line, and the second feed line is electrically connected with the second radiation part; a gradually-changing gap with the width gradually increasing from one end of the first power supply line far away from the first radiation part to the first radiation part is formed between the first power supply line and the second power supply line. The utility model discloses a form the gradual change clearance between first feed line and second feed line to and through the first spill structure between first feed line and the first radiation portion, make first feed line and the slick and sly transitional coupling of first radiation portion, can improve the impedance characteristic of antenna, realized the ultra wide band and matchd, thereby can improve the radiation efficiency of antenna, and then promote the signal transmission effect.
Drawings
In order to 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 the antenna in the present invention.
Fig. 2 is a schematic diagram of the connection between the coaxial line and the first and second feed lines.
Fig. 3 is an electrical diagram of the antenna of the present invention.
The various symbols in the drawings: 1. a substrate; 2. a first radiation section; 21. a first through hole is formed; 3. a second radiation section; 4. a first feeder line; 5. a second feeder line; 6. a first concave structure; 7. gradually changing the gap; 8. a coaxial line; 81. an inner conductor; 82. an outer conductor; 9. a first pad; 10. a second pad; 11. a second concave structure.
Detailed Description
The utility model provides an antenna and electronic equipment, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following reference drawing and example are mentioned the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the embodiments and claims, the terms "a" and "an" can mean "one or more" unless the article is specifically limited.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The inventor researches and discovers that the smart television generally adopts a layout form of a built-in antenna at present, the inside of the television is not specially used for making the space of the antenna but is space multiplexing, the most suitable low-cost mode is to adopt a Flexible Printed Circuit (FPC) antenna process, while the laser engraving process adopted by the common terminal equipment has the characteristics of space saving and conformality, but cannot be overlarge in size, and on the other hand, the cost is far higher than that of the FPC process. According to the structural characteristics and the characteristics of a use scene of the television, the appearance design of the 5G television is different from that of the common television, and the wide television metal back plate is not beneficial to signal diffraction, is distributed close to a wall and cannot be freely moved and is also another factor not beneficial to signal transmission. In general, the design of the television 5G antenna is different from that of a common terminal device, and the characteristics of high radiation efficiency and omni-directionality are required to be more prominent.
The antennas used by conventional terminal devices are ultra-wideband dipole antennas in the form of PIFA-type or IFA antennas, which are characterized by a low profile, but low bandwidth and low efficiency. The wider the size of the dipole antenna, the bandwidth can be correspondingly increased, so that the antenna head is made wider, but the limitation is also realized, and experiments and experiences show that the bandwidth is increased by no more than 33% at most in this way, and the full-band operation needs to be realized through switching.
To the above technical problem, the utility model provides an antenna, it includes: base plate, first radiating part, second radiating part, first feeder line and second feeder line, wherein: the first radiation part is arranged on the substrate; the second radiation part is oppositely arranged on the substrate and is positioned on one side of the first radiation part; the first feed line is arranged on the substrate and positioned between the second radiation parts, and the first feed line is electrically connected with the first radiation parts; wherein, the junction of the first feed line and the first radiation part forms a first concave structure; the second feed line is oppositely arranged on the substrate and positioned on two sides of the first feed line, and the second feed line is electrically connected with the second radiation part; a gradually-changing gap with the width gradually increasing from one end of the first power supply line far away from the first radiation part to the first radiation part is formed between the first power supply line and the second power supply line. The utility model discloses a form the gradual change clearance between first feed line and second feed line to and through the first spill structure between first feed line and the first radiation portion, make first feed line and the slick and sly transitional coupling of first radiation portion, can improve the impedance characteristic of antenna, realized the ultra wide band and matchd, thereby can improve the radiation efficiency of antenna, and then promote the signal transmission effect. In addition, the flexible circuit board is used as the substrate, so that common lamination of two-dimensional curved surfaces can be realized, extra space cannot be occupied, and the flexible circuit board can be suitable for the built-in environment of a television.
Referring to fig. 1 to 3, the present invention provides a preferred embodiment of an antenna.
As shown in fig. 1, the present invention provides an antenna, which includes: a substrate 1, a first radiation part 2, a second radiation part 3, a first power feeding line 4, and a second power feeding line 5, wherein:
the first radiation part 2 is arranged on the substrate 1; the second radiation part 3 is oppositely arranged on the substrate 1 and positioned at one side of the first radiation part 2; the first feed line 4 is arranged on the substrate 1 and between the second radiation parts 3, and the first feed line 4 is electrically connected with the first radiation part 2, wherein the connection part of the first feed line 4 and the first radiation part 2 forms a first concave structure 6; the second feed line 5 is oppositely arranged on the substrate 1 and positioned at two sides of the first feed line 4, and the second feed line 5 is electrically connected with the second radiation part 3; a taper gap 7 whose width gradually increases from one end of the first power supply line 4 away from the first radiation part 2 toward the first radiation part 2 is formed between the first power supply line 4 and the second power supply line 5.
Specifically, the first radiation portion 2 and the second radiation portion 3 are both used for sensing and radiating signals, and are made of a metal material, for example, a copper material, wherein the first radiation portion 2 is a main radiation portion, and the second radiation portion 3 is disposed at one side of the first radiation portion 2 as a sub-radiation portion, similar to two arms of the first radiation portion 2, which can improve radiation characteristics and bandwidth characteristics of the antenna.
The utility model discloses a form gradual change clearance 7 between first feeder 4 and second feeder 5, be about to first feeder 4 and set up to the structure that diminishes for the width, and through first feeder 4 and the first concave structure 6 between the first radiation portion 2, make first feeder 4 and the 2 slick and sly transitional coupling of first radiation portion, wherein gradual change clearance 7 is the impedance transformation structure with first concave structure 6, can improve the impedance characteristic of antenna through the impedance transformation structure, the impedance bandwidth of widening antenna, realize the ultra wide band matching. Referring to fig. 3, the present invention can realize a band width in the range of 1.452GHz-6GHz, a standing wave ratio (VSWR) <3, and a standing wave ratio is generally below 2 except for individual frequency bands. Therefore, the utility model discloses can improve the radiation efficiency of antenna, promote the signal transmission effect. The antenna has a higher radiation efficiency when it is disposed in an electronic device that is not conducive to signal diffraction transmission. For example, when the antenna is placed in a television, the antenna can have high radiation efficiency even if the indoor communication environment and location are poor.
The length of the antenna is generally 65-75mm, the width is generally 24-28mm, and the size of the antenna can be 72.8mm 27.3mm, for example. It is visible, the utility model provides an antenna size is less, therefore the cost is also lower, and its processing is also comparatively simple. It should be noted that the size of the antenna can be enlarged as a whole to obtain an ultra-wideband antenna with a lower frequency, for example, an antenna with a full frequency band of 0.6GHz-6GHz can be obtained.
Referring to fig. 1 and fig. 2, in a further implementation of an embodiment, the antenna further includes: a coaxial line 8. One end of the first power feed line 4 away from the first radiation part 2 is provided with a first pad 9; two oppositely arranged second feed lines 5 are electrically connected, and a second pad 10 is arranged at the joint of the two second feed lines 5; the coaxial line 8 is electrically connected to the first feed line 4 through a first land 9; the coaxial line 8 is electrically connected to the second feed line 5 through a second land 10.
Specifically, one end of the coaxial line 8 is connected to the antenna, the other end is connected to the rf module, and the rf signal is transmitted between the rf module and the antenna through the coaxial line 8. Wherein the coaxial line 8 comprises an outer conductor 82 and an inner conductor 81, the outer conductor 82 of the coaxial line 8 is connected with the second pad 10, and the inner conductor 81 of the coaxial line 8 is connected with the first pad 9 to connect the antenna and the radio frequency module together.
Referring to fig. 1, in a further implementation of an embodiment, the first concave structure 6 is an arc-shaped structure. Specifically, the first concave structure 6 is an arc-shaped structure, so that the first feeding line 4 and the first radiation part 2 are smoothly connected in a transition manner, and the first radiation part 2 and the first feeding line 4 are in a gradual connection structure, so that impedance can be changed to widen the impedance bandwidth of the antenna. Of course, in some embodiments, the first concave structure 6 may also be other gradual structures, such as a stepped irregular groove structure.
With reference to fig. 1, in a further implementation manner of an embodiment, the first radiation portion 2 has a circular structure, and the first radiation portion 2 has an overall circular structure, so that the shape of the first radiation portion 2 also has a gradual change structure, which can further widen the impedance bandwidth of the antenna to achieve ultra-bandwidth matching.
In a further embodiment of an exemplary embodiment, the first radiation part 2 is arranged flush with the side facing away from the first supply line 4, with continued reference to fig. 1. Specifically, by flattening one end of the first radiation portion 2 away from the first power feed line 4, the size of the antenna can be reduced on the premise of ensuring the antenna performance, and the installation space required for the antenna can be reduced.
In a further embodiment of an embodiment, referring to fig. 1, the first radiation portion 2 is provided with a first through hole 21. Specifically, by hollowing out the center of the first radiation portion 2 to form the first through hole 21, the production and assembly positioning of the antenna can be facilitated through this first through hole 21.
With continued reference to fig. 1, in a further implementation of an embodiment, the junction of the second radiation portion 3 and the second feeding line 5 constitutes a second concave structure 11.
In some embodiments, the second concave structure 11 may be an arc-shaped structure to enable a smooth transition connection between the second feeding line 5 and the second radiation portion 3, so that a gradual connection structure is provided between the second radiation portion 3 and the second feeding line 5 to further widen the impedance bandwidth of the antenna. Of course, in some embodiments, the first concave structure 6 may also be other gradual structures, such as a stepped irregular groove structure.
Referring to fig. 1, in a further implementation manner of an embodiment, the substrate 1 is a flexible circuit board, and since the flexible circuit board can be commonly combined with the two-dimensional curved surface, the antenna can be mounted in an existing structure through the flexible circuit board.
In some embodiments, the antenna may be mounted on a flexible circuit board when the antenna is applied to a terminal device such as a television set, etc., which does not have a mounting space specially reserved for the antenna. For example, when the antenna is applied to a 5G television, the antenna can be mounted on the surface of a plastic shell such as a sound box, so as to achieve the purpose of space reuse, and thus, not only is the space not occupied, but also the omni-directional property of the antenna is good. Of course, the method is also applicable to terminal equipment which is large in vertical surface size, needs to be arranged close to the wall and is inconvenient to move randomly.
In some embodiments, the present invention further provides an electronic device, where the electronic device may be a television, and the electronic device includes a housing and an antenna, and the antenna is disposed on the housing. As described in the above embodiments of the antenna, details are not repeated herein.
To sum up, the utility model provides an antenna and electronic equipment, the antenna includes: base plate, first radiating part, second radiating part, first feeder line and second feeder line, wherein: the first radiation part is arranged on the substrate; the second radiation part is oppositely arranged on the substrate and is positioned on one side of the first radiation part; the first feed line is arranged on the substrate and positioned between the second radiation parts, and the first feed line is electrically connected with the first radiation parts; wherein, the junction of the first feed line and the first radiation part forms a first concave structure; the second feed line is oppositely arranged on the substrate and positioned on two sides of the first feed line, and the second feed line is electrically connected with the second radiation part; a gradually-changing gap with the width gradually increasing from one end of the first power supply line far away from the first radiation part to the first radiation part is formed between the first power supply line and the second power supply line. The utility model discloses a form the gradual change clearance between first feed line and second feed line to and through the first spill structure between first feed line and the first radiation portion, make first feed line and the slick and sly transitional coupling of first radiation portion, can improve the impedance characteristic of antenna, realized the ultra wide band and matchd, thereby can improve the radiation efficiency of antenna, and then promote the signal transmission effect.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. An antenna, comprising: base plate, first radiating part, second radiating part, first feeder line and second feeder line, wherein:
the first radiation part is arranged on the substrate;
the second radiation part is oppositely arranged on the substrate and is positioned on one side of the first radiation part;
the first feed line is arranged on the substrate and located between the second radiation parts, and the first feed line is electrically connected with the first radiation parts; wherein a junction of the first feed line and the first radiation portion constitutes a first concave structure;
the second feed line is oppositely arranged on the substrate and positioned on two sides of the first feed line, and the second feed line is electrically connected with the second radiation part;
a gradually-changing gap with the width gradually increasing from one end of the first power supply line far away from the first radiation part to the first radiation part is formed between the first power supply line and the second power supply line.
2. The antenna of claim 1, further comprising: a coaxial line;
one end of the first feed line, which is far away from the first radiation part, is provided with a first pad;
the two oppositely arranged second feed lines are electrically connected, and a second bonding pad is arranged at the joint of the two second feed lines;
the coaxial line is electrically connected with the first feed line through the first pad;
the coaxial line is electrically connected to the second feed line through the second land.
3. The antenna of claim 1, wherein the first concave structure is an arc-shaped structure.
4. The antenna of claim 1, wherein the first radiating portion is a circular structure.
5. The antenna according to claim 4, wherein a side of the first radiation portion away from the first feed line is disposed flush.
6. An antenna according to claim 4, wherein the first radiating portion is provided with a first through hole.
7. The antenna according to claim 1, wherein a junction of the second radiation portion and the second power feed line constitutes a second concave structure.
8. The antenna of claim 7, wherein the second concave structure is an arc-shaped structure.
9. The antenna of claim 1, wherein the substrate is a flexible circuit board.
10. An electronic device, comprising:
a housing;
an antenna as claimed in any one of claims 1 to 9, which is provided on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023245578.3U CN214043994U (en) | 2020-12-28 | 2020-12-28 | Antenna and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023245578.3U CN214043994U (en) | 2020-12-28 | 2020-12-28 | Antenna and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214043994U true CN214043994U (en) | 2021-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023245578.3U Active CN214043994U (en) | 2020-12-28 | 2020-12-28 | Antenna and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214043994U (en) |
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2020
- 2020-12-28 CN CN202023245578.3U patent/CN214043994U/en active Active
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