CN215989221U - Antenna device and electronic apparatus - Google Patents
Antenna device and electronic apparatus Download PDFInfo
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- CN215989221U CN215989221U CN202122117012.0U CN202122117012U CN215989221U CN 215989221 U CN215989221 U CN 215989221U CN 202122117012 U CN202122117012 U CN 202122117012U CN 215989221 U CN215989221 U CN 215989221U
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Abstract
The embodiment of the application provides an antenna device and electronic equipment, and the antenna device includes: the first radiation branch section comprises a first feed part, a first radiation part and a second radiation part which are sequentially connected; the second radiation branch knot comprises a second feed part, a third radiation part and a fourth radiation part which are sequentially connected; the first radiation part and the third radiation part are orthogonally distributed. In the antenna device, the first radiation part of the first radiation branch and the third radiation part of the second radiation branch are orthogonally distributed, so that the isolation between the first radiation branch and the second radiation branch can be improved, and the communication stability of the antenna device is improved.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to an antenna device and an electronic device.
Background
Electronic devices such as smart televisions are typically provided with an antenna, such as a WiFi antenna, for implementing WiFi communication functionality. For example, the smart television can be wirelessly connected with the router through a WiFi antenna, so that Wi-Fi communication is realized.
At present, smart television's design more and more tends to frivolous, and the space that can be used for overall arrangement antenna in the smart television is more and more littleer. Therefore, how to design an antenna of an electronic device such as a smart tv in a limited space becomes a difficult problem.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an antenna device and electronic equipment, which can improve the isolation between a first radiation branch and a second radiation branch of the antenna device.
An embodiment of the present application provides an antenna apparatus, including:
the first radiation branch section comprises a first feed part, a first radiation part and a second radiation part which are sequentially connected;
the second radiation branch knot comprises a second feed part, a third radiation part and a fourth radiation part which are sequentially connected;
wherein, the first radiation part and the third radiation part are orthogonally distributed.
In some embodiments, the first radiating portion is a region of maximum current distribution density on the first radiating branch, and the third radiating portion is a region of maximum current distribution density on the second radiating branch.
In some embodiments, the first feed is orthogonally distributed with respect to the second feed.
In some embodiments, the antenna device further includes a ground structure, the ground structure including a protrusion, the protrusion being located between the first radiation stub and the second radiation stub, the protrusion having a slot disposed thereon.
In some embodiments, the grounding structure further comprises a main body portion connected with the protrusion portion;
the tail end of the second radiation part is arranged towards the main body part, and the edge of the tail end of the second radiation part is curved;
the end of the fourth radiation part is arranged towards the main body part, and the edge of the end of the fourth radiation part is curved.
In some embodiments, the first radiating branch is formed in a semi-enclosed shape, the edge of the second radiating part facing the first feeding part is arc-shaped, and the arc-shaped edge of the second radiating part is concave towards the direction away from the first feeding part;
the second radiation branch section is formed into a semi-surrounding shape, the edge of the fourth radiation part facing the second feed part is arc-shaped, and the edge arc of the fourth radiation part is concave towards the direction departing from the second feed part.
In some embodiments, the antenna apparatus further comprises:
the third radiation branch is arranged in the semi-enclosed interior formed by the first radiation branch;
and the fourth radiation branch is arranged in the semi-enclosed interior formed by the second radiation branch.
In some embodiments, the third radiating branch and the fourth radiating branch are orthogonally disposed.
In some embodiments, the antenna apparatus further comprises:
the first radiation branch and the second radiation branch are arranged on one side of the substrate;
and the grounding layer is arranged on the other side of the substrate opposite to the first radiation branch and the second radiation branch.
The embodiment of the application also provides electronic equipment comprising the antenna device.
In the antenna device that this application embodiment provided, through the third radiation portion orthogonal distribution that sets up to the first radiation portion of first radiation minor matters and second radiation minor matters, can improve the isolation between first radiation minor matters and the second radiation minor matters to improve antenna device's communication stability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic plan view of a first antenna device according to an embodiment of the present disclosure.
Fig. 2 is a schematic plan view of a second antenna device according to an embodiment of the present application.
Fig. 3 is a schematic plan view of a ground structure of an antenna device according to an embodiment of the present application.
Fig. 4 is a schematic plan view of a third antenna device according to an embodiment of the present application.
Fig. 5 is a schematic perspective view of an antenna device according to an embodiment of the present application.
Fig. 6 is a schematic perspective view of another antenna device according to 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. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.
The embodiment of the application provides an antenna device, which can be arranged in an electronic device to realize wireless communication of the electronic device, for example, WiFi communication, Bluetooth communication and the like of the electronic device. The following description will be made only by way of WiFi communication as an example. The electronic device may be a device such as a smart television, a smart phone, a notebook computer, and the like, which is not limited in this application.
Referring to fig. 1, fig. 1 is a schematic view illustrating a first planar structure of an antenna apparatus 100 according to an embodiment of the present disclosure.
The antenna device 100 includes a first radiation branch 10 and a second radiation branch 20, and the first radiation branch 10 and the second radiation branch 20 are disposed at an interval. The first radiation branch 10 and the second radiation branch 20 may be formed by a metal material such as copper, aluminum, silver, etc., and may be formed by plating copper on a substrate. Both the first radiating branch 10 and the second radiating branch 20 are capable of transmitting wireless signals, for example both are capable of transmitting WiFi signals.
The first radiation branch 10 includes a first feeding portion 11, a first radiation portion 12, and a second radiation portion 13 connected in sequence. Therein, the first feeding portion 11 is configured to feed a first excitation signal, for example a WiFi excitation signal, to the first radiation branch 10. The first and second radiation portions 12 and 13 are configured to transmit wireless signals corresponding to the first excitation signal, for example, WiFi signals.
The second radiation branch 20 includes a second feeding portion 21, a third radiation portion 22, and a fourth radiation portion 23 connected in this order. Wherein the second feeding portion 21 is configured to feed a second excitation signal, for example a WiFi excitation signal, to the second radiation branch 20. The third and fourth radiation portions 22 and 23 are configured to transmit wireless signals corresponding to the second excitation signal, for example, WiFi signals.
Wherein, the first radiation part 12 and the third radiation part 22 are orthogonally distributed. That is, the first radiation portion 12 and the third radiation portion 22 are perpendicular to each other. Therefore, the degree of isolation between the first radiation part 12 and the third radiation part 22 can be increased, thereby increasing the degree of isolation between the first radiation branch 10 and the second radiation branch 20.
In practical applications, the first radiating branch 10 and the second radiating branch 20 may transmit wireless signals of different frequency bands or different types of wireless signals, respectively. Since the distance between the first radiating branch 10 and the second radiating branch 20 is usually relatively small, there is interference between them, which affects the communication stability. In this application, the first radiation portion 12 of the first radiation branch 10 and the third radiation portion 22 of the second radiation branch 20 are orthogonally disposed, so that the isolation between the first radiation branch 10 and the second radiation branch 20 can be improved, and the communication stability of the antenna device 100 can be improved.
In some embodiments, the first radiating portion 12 is the region of the first radiating branch 10 where the current distribution density is greatest. That is, the current distribution density of the first radiation section 12 is larger than the current distribution density of the first feeding section 11 and the current distribution density of the second radiation section 13. In this case, the first radiation portion 12 is a main radiation region of the first radiation branch 10.
The third radiating portion 22 is a region of the second radiating branch 20 where the current distribution density is the greatest. That is, the current distribution density of the third radiation section 22 is larger than the current distribution density of the second feeding section 21 and the current distribution density of the fourth radiation section 23. In this case, the third radiation portion 22 is a main radiation region of the second radiation branch 20.
Therefore, the first radiation part 12 and the third radiation part 22 are arranged to be distributed orthogonally, that is, the main radiation area of the first radiation branch 10 and the main radiation area of the second radiation branch 20 are arranged to be distributed orthogonally. Thus, the isolation between the first radiation branch 10 and the second radiation branch 20 can be improved.
In some embodiments, the first feeding portion 11 and the second feeding portion 21 are also orthogonally distributed. That is, the first power feeding unit 11 and the second power feeding unit 21 are also perpendicular to each other. It can be understood that, since there is also a current distribution in the first power feeding unit 11 and the second power feeding unit 21, when the first power feeding unit 11 and the second power feeding unit 21 are perpendicular to each other, the isolation between the first radiation branch 10 and the second radiation branch 20 can be further improved, thereby improving the communication stability of the antenna device 100.
In some embodiments, as shown in fig. 1, the first radiation branch 10 is formed in a semi-enclosed shape, that is, the first feeding portion 11, the first radiation portion 12, and the second radiation portion 13 are sequentially surrounded to form a semi-enclosed shape. Wherein the edge of the second radiation part 13 facing the first feeding part 11 is arc-shaped, and the arc-shaped edge of the second radiation part 13 is concave towards the direction departing from the first feeding part 11. In this form, the directivity pattern of the first radiation stub 10 can be optimized better, so that the first radiation stub 10 has better radiation performance in each radiation direction.
In some embodiments, the first feeding portion 11 and the first radiating portion 12 are perpendicular to each other and are distributed orthogonally.
The second radiation branch 20 is also formed in a semi-enclosed shape, that is, the second power supply portion 21, the third radiation portion 22, and the fourth radiation portion 23 are sequentially surrounded and formed in a semi-enclosed shape. Wherein, the edge of the fourth radiation part 23 facing the second feeding part 21 is arc-shaped, and the edge arc of the fourth radiation part 23 is concave towards the direction departing from the second feeding part 21. In this form, the directivity pattern of the second radiation stub 20 can be optimized better, so that the second radiation stub 20 has better radiation performance in each radiation direction.
In some embodiments, the second feeding portion 21 and the third radiating portion 22 are perpendicular to each other and are distributed orthogonally.
In some embodiments, referring to fig. 2, fig. 2 is a schematic diagram of a second planar structure of the antenna apparatus 100 according to the embodiment of the present application.
The antenna arrangement 100 further comprises a ground structure 30, the ground structure 30 being grounded. The ground structure 30 may be formed of a metal material such as copper, aluminum, silver, or the like, for example, by plating copper on the substrate. The first radiation branch 10 and the second radiation branch 20 are both spaced apart from the ground structure 30, i.e. do not contact each other. In practical application, the distance between the first radiation branch 10 and the second radiation branch 20 and the grounding structure 30 may be set to be smaller, so that the first radiation branch 10 and the second radiation branch 20 can be electrically connected with the grounding structure 30 through electromagnetic coupling, thereby achieving grounding of the first radiation branch 10 and the second radiation branch 20.
It will be appreciated that other components of the antenna assembly 100, such as feeds, filter circuits, tuning circuits, etc., may be disposed on the ground structure 30 for practical applications.
The grounding structure 30 includes a protrusion 31 and a main body 32, and the protrusion 31 is connected to the main body 32. In practical applications, the protrusion 31 and the main body 32 may be formed as a single body. Wherein, the protruding portion 31 is located between the first radiation branch 10 and the second radiation branch 20, and the protruding portion 31 is provided with a slot 311. The shape of the slot 311 can be set as desired.
It can be understood that, since the grounding structure 30 is grounded, when the protrusion 31 is located between the first radiation branch 10 and the second radiation branch 20, the isolation between the first radiation branch 10 and the second radiation branch 20 can be improved. Further, by providing the slot 311 on the protruding portion 31, the isolation between the first radiation branch 10 and the second radiation branch 20 can be further improved, thereby improving the communication stability of the antenna device 100.
In some embodiments, with continued reference to fig. 2, the distal end 131 of the second radiating portion 13 is disposed toward the body portion 32. Wherein the edge of the end 131 of the second radiating portion 13 is curved. In this configuration, the low frequency impedance of the first radiating branch 10 can be well adjusted.
The tip 231 of the fourth radiation portion 23 is disposed toward the body portion 32. Wherein the edge of the end 231 of the fourth radiating portion 23 is curved. In this configuration, the low frequency impedance of the second radiating branch 20 can be well adjusted.
In some embodiments, referring to fig. 3, fig. 3 is a schematic plan view of a ground structure 30 of an antenna device provided in the embodiments of the present application.
Wherein, the protrusion 31 of the grounding structure 30 is further provided with a slot 312 and a slot 313. The first feeding portion 11 of the first radiating branch 10 may be disposed in the slot 312, and is electrically connected to the feeding source disposed on the grounding structure 30 through a microstrip line. The second feeding portion 21 of the second radiation branch 20 may be disposed in the slot 313 and electrically connected to the feeding source disposed on the grounding structure 30 through a microstrip line.
In some embodiments, referring to fig. 4, fig. 4 is a schematic diagram of a third planar structure of the antenna apparatus 100 according to the embodiment of the present application.
The antenna arrangement 100 further comprises a third radiation branch 40 and a fourth radiation branch 50. The third radiation branch 40 and the fourth radiation branch 50 may be formed of a metal material such as copper, aluminum, or silver, and may be formed by plating copper on a substrate. The third radiating branch 40 and the fourth radiating branch 50 are both capable of transmitting wireless signals.
It is understood that, in practical applications, the first radiation branch 10 and the second radiation branch 20 may be configured to transmit low frequency signals, such as WiFi signals at 2.4GHz or bluetooth signals, and the third radiation branch 40 and the fourth radiation branch 50 may be configured to transmit high frequency signals, such as WiFi signals at 5 GHz.
Wherein the third radiation branch 40 is arranged inside the half-enclosure formed by the first radiation branch 10. One end of the third radiation branch 40 can be electrically connected with the feed source arranged on the grounding structure 30, and the other end faces the arc-shaped edge of the second radiation part 13. In this configuration, the impedance of the third radiation branch 40 can be adjusted well.
The fourth radiating branch 50 is disposed within the semi-enclosed interior formed by the second radiating branch 20. One end of the fourth radiation branch 50 may be electrically connected to a feed provided on the ground structure 30, and the other end faces the arc-shaped edge of the fourth radiation portion 23. In this configuration, the impedance of the fourth radiation branch 50 can be adjusted well.
It can be understood that, when the third radiation branch 40 is disposed inside the semi-enclosed shape formed by the first radiation branch 10 and the fourth radiation branch 50 is disposed inside the semi-enclosed shape formed by the second radiation branch 20, the isolation between the third radiation branch 40 and the fourth radiation branch 50 can be improved, and the performance of the third radiation branch 40 and the fourth radiation branch 50 for transmitting wireless signals can be improved, so as to improve the communication stability of the antenna apparatus 100.
In some embodiments, the third radiation branch 40 and the fourth radiation branch 50 are orthogonally disposed. That is, the third radiation branch 40 and the fourth radiation branch 50 are perpendicular to each other. By the vertical arrangement, the isolation between the third radiation branch 40 and the fourth radiation branch 50 can be further improved.
In some embodiments, referring to fig. 5 and fig. 6 simultaneously, fig. 5 is a schematic perspective view of the antenna device 100 provided in the embodiment of the present application, and fig. 6 is another schematic perspective view of the antenna device 100 provided in the embodiment of the present application.
The antenna device 100 further includes a substrate 60 and a ground layer 70.
The material of the substrate 60 may include FR4 epoxy. The substrate 60 may form a carrying structure of the whole antenna device 100, and the first radiation branch 10, the second radiation branch 20, the ground structure 30, the third radiation branch 40, and the fourth radiation branch 50 may be disposed on one side of the substrate 60, for example, they may be formed on one side of the substrate 60 by means of copper plating. The ground structure 30 may be a Top layer of the substrate 60.
The ground plane 70 may form a system ground for the antenna device 100. The ground layer 70 may be formed of a metal material such as copper, aluminum, or silver. The ground layer 70 is disposed on the other side of the substrate 60 opposite to the first radiation branch 10, the second radiation branch 20, the ground structure 30, the third radiation branch 40, and the fourth radiation branch 50. The ground layer 70 may be a Bottom layer of the substrate 60.
It is understood that the ground structure 30 can be electrically connected to the ground layer 70, for example, a via hole can be formed on the substrate 60, and copper can be plated in the via hole to electrically connect the ground structure 30 to the ground layer 70, so as to achieve grounding of the ground structure 30.
In addition, the positions of the ground layer 70 corresponding to the first radiation branch 10, the second radiation branch 20, the third radiation branch 40, and the fourth radiation branch 50 may be hollowed out, so as to avoid the ground layer 70 from affecting the performance of the first radiation branch 10, the second radiation branch 20, the third radiation branch 40, and the fourth radiation branch 50 in radiating the wireless signal.
The embodiment of the application also provides the electronic equipment. The electronic device includes the antenna device 100 described above, so that a wireless communication function can be realized by the antenna device 100.
In the description of the present application, it is to be understood that terms such as "first", "second", and the like are used merely to distinguish one similar element from another, and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated.
The antenna device and the electronic device provided in the embodiments of the present application are described in detail above. The principles and implementations of the present application are described herein using specific examples, which are presented only to aid in understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. An antenna device, comprising:
the first radiation branch section comprises a first feed part, a first radiation part and a second radiation part which are sequentially connected;
the second radiation branch knot comprises a second feed part, a third radiation part and a fourth radiation part which are sequentially connected;
wherein, the first radiation part and the third radiation part are orthogonally distributed.
2. The antenna device according to claim 1, wherein the first radiating portion is a region of the first radiating branch where current distribution density is the greatest, and the third radiating portion is a region of the second radiating branch where current distribution density is the greatest.
3. The antenna device according to claim 1, wherein the first feed is orthogonally disposed with respect to the second feed.
4. The antenna device according to any of claims 1 to 3, further comprising a ground structure, wherein the ground structure comprises a protrusion, wherein the protrusion is located between the first radiation stub and the second radiation stub, and wherein a slot is disposed on the protrusion.
5. The antenna device of claim 4, wherein:
the grounding structure further comprises a main body part connected with the protruding part;
the tail end of the second radiation part is arranged towards the main body part, and the edge of the tail end of the second radiation part is curved;
the end of the fourth radiation part is arranged towards the main body part, and the edge of the end of the fourth radiation part is curved.
6. The antenna device according to any of claims 1 to 3, characterized in that:
the first radiating branch is formed into a semi-surrounding shape, the edge of the second radiating part facing the first feed part is arc-shaped, and the arc-shaped edge of the second radiating part is concave towards the direction departing from the first feed part;
the second radiation branch section is formed into a semi-surrounding shape, the edge of the fourth radiation part facing the second feed part is arc-shaped, and the edge arc of the fourth radiation part is concave towards the direction departing from the second feed part.
7. The antenna device of claim 6, further comprising:
the third radiation branch is arranged in the semi-enclosed interior formed by the first radiation branch;
and the fourth radiation branch is arranged in the semi-enclosed interior formed by the second radiation branch.
8. The antenna device of claim 7, wherein the third radiating branch is orthogonally disposed with respect to the fourth radiating branch.
9. The antenna device according to any one of claims 1 to 3, further comprising:
the first radiation branch and the second radiation branch are arranged on one side of the substrate;
and the grounding layer is arranged on the other side of the substrate opposite to the first radiation branch and the second radiation branch.
10. An electronic device, characterized in that it comprises an antenna device according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122117012.0U CN215989221U (en) | 2021-09-02 | 2021-09-02 | Antenna device and electronic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122117012.0U CN215989221U (en) | 2021-09-02 | 2021-09-02 | Antenna device and electronic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215989221U true CN215989221U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122117012.0U Active CN215989221U (en) | 2021-09-02 | 2021-09-02 | Antenna device and electronic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215989221U (en) |
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2021
- 2021-09-02 CN CN202122117012.0U patent/CN215989221U/en active Active
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