CN111613890A - Antenna structure and electronic equipment - Google Patents
Antenna structure and electronic equipment Download PDFInfo
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- CN111613890A CN111613890A CN202010528631.6A CN202010528631A CN111613890A CN 111613890 A CN111613890 A CN 111613890A CN 202010528631 A CN202010528631 A CN 202010528631A CN 111613890 A CN111613890 A CN 111613890A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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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
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Abstract
The application provides an antenna structure and electronic equipment, this antenna structure includes: the antenna comprises an antenna support, a first radiator, a second radiator and a circuit board, wherein the first radiator and the second radiator are arranged on the antenna support, and the first radiator comprises a base part, a first radiation branch and a second radiation branch which are formed by extending from the base part; the second radiation branch is located between the first radiation branch and the second radiator, a first gap is formed between the second radiation branch and the second radiator, and the second radiation branch is in coupling connection with the second radiator; the first radiator is provided with a feed point, and the feed point is electrically connected with a radio frequency circuit arranged on the circuit board. This can effectively improve the signal transmission capability of the antenna structure.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to an antenna structure and an electronic device.
Background
With the development of technology, especially the hole-free design of electronic equipment such as smart phones, bluetooth headsets are widely applied to communication of electronic equipment such as smart phones. However, the size of the bluetooth headset is problematic, which results in poor performance of the bluetooth headset in terms of connection speed, transmission distance, interference resistance, and the like.
Therefore, the antenna of the existing Bluetooth headset has the problem of poor signal transmission capability.
Disclosure of Invention
The embodiment of the application provides an antenna structure and electronic equipment, and can solve the problem that an antenna of the existing electronic equipment is poor in signal transmission capacity.
In order to solve the above technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides an antenna structure, including: an antenna support, a first radiator, a second radiator and a circuit board, wherein the first radiator and the second radiator are arranged on the antenna support,
the first radiator comprises a base part, a first radiation branch and a second radiation branch, wherein the first radiation branch and the second radiation branch extend from the base part;
the second radiation branch is located between the first radiation branch and the second radiator, a first gap is formed between the second radiation branch and the second radiator, and the second radiation branch is in coupling connection with the second radiator;
the first radiator is provided with a feed point, and the feed point is electrically connected with a radio frequency circuit arranged on the circuit board.
In a second aspect, an embodiment of the present application further provides an electronic device, which includes the above antenna structure.
In the embodiment of the application, the second radiator coupled with the second radiation branch is arranged on the antenna bracket, so that the radiation performance of the antenna structure can be effectively improved, the radiation capability of the antenna structure at a low channel can be improved, the problem that the difference between the radiation performance of the antenna structure at the low channel and the radiation performance of the antenna structure at a high channel is large is solved, and the signal transmission capability of the antenna structure is improved.
Drawings
Fig. 1 is one of structural diagrams of an antenna structure provided in an embodiment of the present application;
fig. 2 is a second structural diagram of an antenna structure according to an embodiment of the present application;
fig. 3 is a third structural diagram of an antenna structure according to an embodiment of the present application;
FIG. 4 is a block diagram of a circuit board provided by an embodiment of the present application;
fig. 5 is a comparative data graph of TRP in free space for an antenna structure provided by an embodiment of the present application;
fig. 6 is a comparative data chart of free-space TIS for an antenna structure provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
As shown in fig. 1, an embodiment of the present application provides an antenna structure, including: the antenna comprises an antenna support 10, a first radiator 20, a second radiator 30 and a circuit board 40, wherein the first radiator 20 and the second radiator 30 are arranged on the antenna support 10;
the first radiator 20 includes a base 21, and a first radiation branch 22 and a second radiation branch 23 formed by extending from the base 21;
the second radiation branch 23 is located between the first radiation branch 22 and the second radiator 30, a first gap 61 is formed between the second radiation branch 23 and the second radiator 30, and the second radiation branch 23 is coupled with the second radiator 30;
the first radiator 20 is provided with a feed point 24, and the feed point 24 is electrically connected to a radio frequency circuit (not shown) disposed on the circuit board 40.
In this embodiment, the second radiator 30 coupled to the second radiation branch 23 is disposed on the antenna support 10, so that the radiation performance of the antenna structure can be effectively improved, the radiation capability of the antenna structure in a low channel can be improved, the problem that the difference between the radiation performance of the antenna structure in the low channel and the radiation performance of the antenna structure in a high channel is large is solved, and the signal transmission capability of the antenna structure is improved.
Through the arrangement of the first gap 61, the second radiation branch 23 and the second radiator 30 are subjected to slot coupling, so that the second radiation branch 23 and the second radiator 30 are coupled and connected, and the radiation receiving performance of the antenna structure is further improved.
The feed point 24 may be electrically connected to the rf circuit on the circuit board 40 through a spring (not shown) to implement a signal radiation function or a signal receiving function of the antenna structure.
Optionally, as shown in fig. 2, the first radiator 20 further includes a third radiation branch 25 formed by extending from the base 21, the first radiation branch 22, the second radiation branch 23 and the third radiation branch 25 are located on the same side of the base 21, and the first radiation branch 22 is located between the second radiation branch 23 and the third radiation branch 25; the antenna structure further includes a third radiator 50 disposed on the antenna support 10, the third radiation branch 25 is located between the first radiation branch 22 and the third radiator 50, a second gap 62 is formed between the third radiation branch 25 and the third radiator 50, and the third radiation branch 25 is coupled to the third radiator 50.
In this embodiment, the third radiator 50 coupled to the third radiation branch 25 is disposed on the antenna support 10, so that the radiation performance of the antenna structure can be further improved, the radiation capability of the antenna structure in a low channel can be further improved, the problem of large difference between the radiation performance of the antenna structure in a low channel and the radiation performance of the antenna structure in a high channel can be solved, and the signal transmission capability of the antenna structure can be further improved.
Wherein the first radiator 20, the second radiator 30, and the third radiator 50 may be formed on the antenna holder 10 using a laser direct structuring technique. For example, for an antenna structure of a bluetooth headset, the first radiator 20, the second radiator 30, and the third radiator 50 may be formed by directly plating the antenna support 10 with a laser technology based on the antenna support 10 adapted to the bluetooth headset, so that the first radiator 20, the second radiator 30, and the third radiator 50 are disposed on the antenna support 10.
The first radiator 20, the second radiator 30, and the third radiator 50 disposed on the antenna holder 10 may be antenna plating, that is, metal plating disposed on the antenna holder 10. In particular, the second radiator 30 and the third radiator 50 may be disposed on the antenna holder 10 by a pattern of antenna patches.
The first radiator 20 includes a base 21, and a first radiation branch 22, a second radiation branch 23, and a third radiation branch 25 extending from the base 21, wherein the first radiation branch 22, the second radiation branch 23, and the third radiation branch 25 are located on the same side of the base 21 and are spaced apart from each other on the antenna support 10. And the base 21, the first radiation branch 22, the second radiation branch 23 and the third radiation branch 25 are distributed on the antenna support 10 in a shape of a Chinese character 'shan'.
Wherein the feed point 24 may be arranged on the first radiation branch 22 and may be arranged at an end of the first radiation branch 22 remote from the base 21.
Alternatively, the second radiator 30 and the third radiator 50 may be symmetrically disposed with respect to the first radiation branch 22 to further improve the radiation receiving performance of the antenna structure.
Accordingly, the second radiation branch 23 and the third radiation branch 25 may be symmetrically arranged with respect to the first radiation branch 22 to further improve the radiation receiving performance of the antenna structure.
Optionally, the width of the first gap 61 ranges from 0.4 mm to 0.6 mm, wherein, through a verification test, when the width of the first gap 61 is 0.5 mm, the coupling connection effect of the second radiation branch 23 and the second radiator 30 is the best, so that the radiation performance of the antenna structure is better.
Correspondingly, the width of the second gap 62 ranges from 0.4 mm to 0.6 mm, wherein, through the verification test, when the width of the second gap 62 is 0.5 mm, the coupling connection effect of the third radiation branch 25 and the third radiation body 50 is the best, so that the radiation receiving performance of the antenna structure is better.
Alternatively, as shown in fig. 3, the circuit board 40 includes a substrate 41, and a first cover plate 42 and a second cover plate 43 disposed on two opposite sides of the substrate 41; the first cover plate 42 is coupled to the second radiator 30 and is stacked with respect to the antenna mount 10; the second cover 43 and the third radiator 50 are coupled and arranged in a stacked manner with respect to the antenna carrier 10.
In the present embodiment, a third gap is formed between the first cover plate 42 and the second radiator 30, so that the first cover plate 42 and the second radiator 30 are spatially coupled, and thus the coupling connection between the first cover plate 42 and the second radiator 30 is realized; accordingly, a fourth gap is formed between the second cover plate 43 and the third radiator 50, so that the second cover plate 43 and the third radiator 50 are spatially coupled, and thus the coupling connection between the second cover plate 43 and the second radiator 30 is realized. By the arrangement of the first cover plate 42 and the second cover plate 43, the radiation receiving performance of the antenna structure can be further improved.
The first cover plate 42 and the second cover plate 43 are electrically connected to the ground structure on the substrate 41, so that the first cover plate 42 and the second cover plate 43 are grounded, and the radiation receiving performance of the antenna structure is further improved.
As shown in fig. 4, the first cover plate 42 is formed extending from a first side edge of the base plate 41, the second cover plate 43 is formed extending from a second side edge of the base plate 41, and the first side edge and the second side edge are two opposite side edges of the base plate 41.
The circuit board 40 may be disposed below the antenna support 10, and the first cover plate 42 and the second cover plate 43 may extend from two opposite sides of the substrate 41 toward the second radiator 30 and the third radiator 50 disposed on the antenna support 10, respectively, and are stacked with respect to the second radiator 30 and the third radiator 50, respectively.
To further improve the radiation receiving performance of the antenna, the first cover 42 may be shaped to be the same as the second radiator 30, and the second cover 43 may be shaped to be the same as the third radiator 50.
Optionally, the width of the third gap is in a range from 0.9 mm to 1.1 mm, wherein when the width of the third gap is 1 mm, the coupling between the first cover plate 42 and the second radiator 30 has a better connection effect, so that the radiation performance of the antenna structure is better.
Correspondingly, the width of the fourth gap is in the range of 0.9 mm to 1.1 mm, wherein when the width of the fourth gap is 1 mm, the coupling between the second cover plate 43 and the second radiator 30 has a better connection effect, so that the radiation receiving performance of the antenna structure is better.
The material of the first cover plate 42 and the second cover plate 43 may be the same as the material of the substrate 41, and circuit board traces may also be disposed on the first cover plate 42 and the second cover plate 43, so that the first cover plate 41 and the second radiator 30 are spatially coupled, and the second cover plate 43 and the third radiator 50 are spatially coupled.
The shape and size of the first cover plate 42 and the second cover plate 43 can be adjusted according to the shape and size of the antenna structure; accordingly, the shapes and sizes of the first radiator 20, the second radiator 30 and the third radiator 50 may also be adjusted according to the shapes and sizes of the antenna structures.
As shown in fig. 5, based on the comparison data chart shown in fig. 5, it can be seen that the TRP value of the antenna structure provided with the first cover 42 and the second cover 43 is higher than the TRP value of the antenna structure without the first cover 42 and the second cover 43.
Specifically, as shown in fig. 5, when the channel is 0, the TRP value of the antenna structure provided with the first cover 42 and the second cover 43 is 6.5, and the TRP value of the antenna structure not provided with the first cover 42 and the second cover 43 is 1.4; when the channel is 39, the TRP value of the antenna structure provided with the first cover 42 and the second cover 43 is 7, and the TRP value of the antenna structure not provided with the first cover 42 and the second cover 43 is 3.7; when the channel is 78, the TRP value of the antenna configuration provided with the first patch 42 and the second patch 43 is 7.5, and the TRP value of the antenna configuration not provided with the first patch 42 and the second patch 43 is 4.8.
As shown in fig. 6, based on the comparison data chart shown in fig. 6, it can be seen that the absolute value of the TIS value of the antenna structure provided with the first cover 42 and the second cover 43 is higher than the absolute value of the TIS value of the antenna structure not provided with the first cover 42 and the second cover 43.
Specifically, as shown in fig. 6, when the channel is 0, the TIS value of the antenna structure provided with the first cover plate 42 and the second cover plate 43 is-90.9, and the TIS value of the antenna structure not provided with the first cover plate 42 and the second cover plate 43 is-85.1; when the channel is 39, the TIS value of the antenna structure provided with the first cover plate 42 and the second cover plate 43 is-90.8, and the TIS value of the antenna structure not provided with the first cover plate 42 and the second cover plate 43 is-87.7; when the channel is 78, the TIS value of the antenna structure provided with the first patch 42 and the second patch 43 is-91.4, and the TIS value of the antenna structure not provided with the first patch 42 and the second patch 43 is-88.9.
As can be seen from the data diagrams in fig. 5 and 6, by utilizing the gap coupling between the second radiation branch 23 and the second radiator 30, the gap coupling between the third radiation branch 25 and the third radiator 50, the spatial coupling between the first cover plate 42 and the second radiator 30, the spatial coupling between the second cover plate 42 and the third radiator 50, and the operating principle of the parasitic antenna, the TRP and TIS of the antenna structure can be improved as a whole, meanwhile, the radiation capability of the antenna structure in a low channel can be improved, the problem that the radiation performance of the antenna structure in a low channel and a high channel is greatly different is solved, and the signal transmission capability of the antenna structure is improved.
The embodiment of the application also provides an electronic device, which comprises the antenna structure.
It should be noted that the implementation manner of the above-mentioned antenna structure embodiment is also applicable to the embodiment of the electronic device, and can achieve the same technical effect, and is not described herein again.
Wherein, the electronic equipment can be bluetooth headset, intelligent glasses, intelligent wrist etc..
The antenna support of the antenna structure may be cylindrical, and the first radiator, the second radiator and the third radiator may be distributed on the circumferential surface of the antenna support at intervals, in order to address the situation that the electronic device is a strip-shaped bluetooth headset.
Furthermore, the first cover plate and the second cover plate, which are disposed on the substrate of the circuit board, may be formed with the substrate in a slot-type structure, and the antenna holder may be partially located in the slot-type structure. The first cover plate may be disposed over against the second radiator, and the second cover plate may be disposed over against the third radiator.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An antenna structure, comprising: an antenna support, a first radiator, a second radiator and a circuit board, wherein the first radiator and the second radiator are arranged on the antenna support,
the first radiator comprises a base part, a first radiation branch and a second radiation branch, wherein the first radiation branch and the second radiation branch extend from the base part;
the second radiation branch is located between the first radiation branch and the second radiator, a first gap is formed between the second radiation branch and the second radiator, and the second radiation branch is in coupling connection with the second radiator;
the first radiator is provided with a feed point, and the feed point is electrically connected with a radio frequency circuit arranged on the circuit board.
2. The antenna structure of claim 1, wherein the first radiator further comprises a third radiating branch formed extending from the base portion, the first radiating branch, the second radiating branch and the third radiating branch being located on a same side of the base portion, and the first radiating branch being located between the second radiating branch and the third radiating branch;
the antenna structure further comprises a third radiator arranged on the antenna support, the third radiation branch is located between the first radiation branch and the third radiator, a second gap is formed between the third radiation branch and the third radiator, and the third radiation branch is in coupling connection with the third radiator.
3. The antenna structure according to claim 2, wherein the circuit board comprises a substrate, and a first cover plate and a second cover plate provided on opposite sides of the substrate, wherein,
the first cover plate is coupled with the second radiator and is arranged in a stacked mode relative to the antenna support;
the second cover plate is coupled with the third radiator and is arranged in a stacked mode relative to the antenna support.
4. The antenna structure of claim 3, wherein the first cover plate and the second cover plate are both electrically connected to a ground structure on the substrate.
5. The antenna structure of claim 3, wherein the first cover extends from a first side edge of the substrate, wherein the second cover extends from a second side edge of the substrate, and wherein the first side edge and the second side edge are opposite side edges of the substrate.
6. The antenna structure of claim 3, wherein the first cover plate and the second radiator are the same shape, and wherein the second cover plate and the third radiator are the same shape.
7. The antenna structure according to claim 2, characterized in that the width of the first gap is in the range of 0.4-0.6 mm and the width of the second gap is in the range of 0.4-0.6 mm.
8. The antenna structure of claim 2, wherein the second radiator and the third radiator are symmetrically disposed with respect to the first radiating branch.
9. The antenna structure according to claim 2, characterized in that the second and third radiating branches are symmetrically arranged with respect to the first radiating branch.
10. An electronic device, characterized in that it comprises an antenna structure according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010528631.6A CN111613890B (en) | 2020-06-11 | 2020-06-11 | Antenna structure and electronic equipment |
| PCT/CN2021/099322 WO2021249465A1 (en) | 2020-06-11 | 2021-06-10 | Antenna structure and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010528631.6A CN111613890B (en) | 2020-06-11 | 2020-06-11 | Antenna structure and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN111613890A true CN111613890A (en) | 2020-09-01 |
| CN111613890B CN111613890B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010528631.6A Active CN111613890B (en) | 2020-06-11 | 2020-06-11 | Antenna structure and electronic equipment |
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| CN (1) | CN111613890B (en) |
| WO (1) | WO2021249465A1 (en) |
Cited By (1)
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|---|---|---|---|---|
| WO2021249465A1 (en) * | 2020-06-11 | 2021-12-16 | 维沃移动通信有限公司 | Antenna structure and electronic device |
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|---|---|
| CN111613890B (en) | 2023-07-14 |
| WO2021249465A1 (en) | 2021-12-16 |
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