CN219643109U - Antenna - Google Patents

Antenna Download PDF

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Publication number
CN219643109U
CN219643109U CN202320643545.9U CN202320643545U CN219643109U CN 219643109 U CN219643109 U CN 219643109U CN 202320643545 U CN202320643545 U CN 202320643545U CN 219643109 U CN219643109 U CN 219643109U
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radiator
antenna
horizontal plane
connection
plate
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CN202320643545.9U
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Chinese (zh)
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刘巧灵
邵明乾
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BYD Co Ltd
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BYD Co Ltd
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Abstract

The present disclosure relates to an antenna including a first radiator for connection with a feeding point and a second radiator for connection with a ground point, wherein the first radiator and the second radiator are both formed in a plate-like structure parallel to a horizontal plane, and the first radiator and the second radiator are located in the first horizontal plane and are symmetrically arranged at intervals. The antenna described above can be configured to meet the requirement for a wide frequency band, allowing electromagnetic waves of a wide frequency band to be radiated between the first radiator and the second radiator. The antenna has good symmetry and large radiation area, can realize good signal transmitting or receiving function when radiating broadband electromagnetic waves, and has the characteristic of high gain. The antenna can supplement the defect of broadband antenna signal coverage in the related technology, realizes the point-to-point communication of electromagnetic wave signals, and has good application prospect.

Description

Antenna
Technical Field
The present disclosure relates to the field of antennas, and in particular, to an antenna.
Background
The operating frequency band of an antenna is affected by the electrical length of the antenna radiator and the arrangement between the two radiators constituting the antenna, and antennas in the related art generally can only cover a conventional operating frequency band of an antenna. For some specific applications, such as an application where the antenna is installed in a vehicle, it is required that the antenna can cover an operating channel in an ultra wideband frequency band to implement point-to-point communication of the vehicle. Therefore, how to provide an antenna capable of covering a wide frequency band has become a problem to be solved in the field of antennas.
Disclosure of Invention
An object of the present disclosure is to provide an antenna to solve technical problems in the related art.
In order to achieve the above object, the present disclosure provides an antenna including:
a first radiator for connection with a feed point;
the second radiator is used for being connected with a grounding point;
the first radiator and the second radiator are both formed into a plate-shaped structure parallel to the horizontal plane, and are positioned in the first horizontal plane and symmetrically arranged at intervals.
Optionally, the antenna further comprises a first connection part and a second connection part;
one end of the first connecting part is connected to the first radiator, the first connecting part extends along the vertical direction perpendicular to the first horizontal plane, and a feeding area for connecting with the feeding point is arranged on the first connecting part;
one end of the second connecting portion is connected to the second radiator, the second connecting portion extends along the vertical direction, and a grounding area used for being connected with the grounding point is arranged on the second connecting portion.
Optionally, the first connection portion and the first radiator are connected to an edge portion of the first radiator, and the feeding area is located at one end, close to the first radiator, of the first connection portion;
the second connecting portion is connected to the edge portion of the second radiator, and the grounding area is located at one end, close to the second radiator, of the second connecting portion.
Optionally, a first annular structure is formed on the first connection portion, the first annular structure has a first central hole, a second annular structure is formed on the second connection portion, the second annular structure has a second central hole, an inner wall of the first central hole is the feeding area and is used for being connected to an inner core of the coaxial line, and an inner wall of the second central hole is the grounding area and is used for being connected to an outer conductor of the coaxial line.
Optionally, the first and second central bores are coaxially arranged, and an axis of the first and second central bores are both parallel to the first horizontal plane.
Optionally, the antenna further includes a reflecting plate parallel to the horizontal plane, the reflecting plate is located in a second horizontal plane, the second horizontal plane and the first horizontal plane are disposed at intervals along a vertical direction, and projections of the first radiator and the second radiator on the reflecting plate along the vertical direction are located in the reflecting plate.
Optionally, a distance between a surface of the reflecting plate close to the first radiator and a surface of the first radiator close to the reflecting plate is 12mm-16mm;
the distance between the surface of the reflecting plate, which is close to the second radiator, and the surface of the second radiator, which is close to the reflecting plate, is 12mm-16mm.
Alternatively, the reflective plate is formed into a rectangular plate-like structure having a side length of 57mm to 63mm.
Optionally, the first radiator and the second radiator are configured to cover at least an operating frequency band of 6GHz-9 GHz.
Optionally, the first radiator and the second radiator are each formed as a circular plate-like structure having a diameter of 7mm to 9mm.
In the above antenna, the first radiator is connected to the feeding point, the second radiator is connected to the ground point, and electromagnetic waves can be transmitted or received between the first radiator and the second radiator. In the field of antennas, the electrical length of a radiator of the antenna and the arrangement manner between two radiators forming the antenna can affect the operating frequency band that the antenna can cover, in the antenna provided by the embodiment of the disclosure, the first radiator and the second radiator are both formed into a plate-shaped structure parallel to a horizontal plane, the antenna has a low-profile characteristic, and the electrical lengths of the first radiator and the second radiator can be set to meet the requirement of a wide frequency band, so that electromagnetic waves of the wide frequency band can be allowed to radiate between the first radiator and the second radiator. The first radiator and the second radiator are positioned in the first horizontal plane and are symmetrically arranged at intervals, the symmetry of the antenna is good, the radiating area is large, good signal transmitting or receiving functions can be realized when broadband electromagnetic waves are radiated, and the antenna has the characteristics of low profile and high gain. The antenna can supplement the defect of broadband antenna signal coverage in the related technology, so that the antenna provided by the disclosure can realize point-to-point communication of electromagnetic wave signals and has good application prospect.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
fig. 1 is a perspective view of an antenna provided by an exemplary embodiment of the present disclosure;
fig. 2 is a perspective view of an antenna provided by an exemplary embodiment of the present disclosure at another perspective view;
FIG. 3 is an enlarged view of the "A" portion of FIG. 2;
fig. 4 is a top view of an antenna provided by an exemplary embodiment of the present disclosure;
FIG. 5 is a cross-sectional view taken along line "B-B" in FIG. 4;
fig. 6 is a return loss plot of an antenna provided by an exemplary embodiment of the present disclosure.
Description of the reference numerals
A 100-antenna; 11-a first radiator; 12-a second radiator; 21-a first connection; 211-a first ring structure; 212-a first central bore; 22-a second connection; 221-a second ring structure; 222-a second central bore; 31-a feed region; 32-a ground region; 4-reflecting plate.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In the present disclosure, unless otherwise indicated, the use of an azimuth term such as "horizontal plane" refers to a horizontal plane as shown in fig. 4 and 5, "vertical direction" refers to a vertical direction as shown in fig. 5, and "inside and outside" refer to inside and outside of the contour of the relevant part. In addition, it should be noted that terms such as "first", "second", etc. are used to distinguish one element from another element, and do not have order or importance. In addition, in the description with reference to the drawings, the same reference numerals in different drawings denote the same elements.
As shown in fig. 1 to 5, the present disclosure provides an antenna 100, the antenna 100 including a first radiator 11 and a second radiator 12, the first radiator 11 being for connection with a feeding point, the second radiator 12 being for connection with a ground point, wherein the first radiator 11 and the second radiator 12 are each formed in a plate-like structure parallel to a horizontal plane, the first radiator 11 and the second radiator 12 being located in the first horizontal plane and being symmetrically spaced apart.
In the antenna 100 described above, the first radiator 11 is used to connect to a feeding point, the second radiator 12 is used to connect to a ground point, and electromagnetic waves can be transmitted or received between the first radiator 11 and the second radiator 12. In the field of antennas, the electrical length of the radiator of the antenna and the arrangement manner between two radiators constituting the antenna both affect the operating frequency band that the antenna can cover, in the antenna 100 provided in the embodiment of the present disclosure, the first radiator 11 and the second radiator 12 are both formed into a plate-like structure parallel to the horizontal plane, the antenna 100 has a low profile characteristic, and the electrical lengths of the first radiator 11 and the second radiator 12 can be set to satisfy the requirement of a wide frequency band, thereby allowing electromagnetic waves of a wide frequency band to be radiated between the first radiator 11 and the second radiator 12. The first radiator 11 and the second radiator 12 are located in the first horizontal plane and are symmetrically arranged at intervals, the antenna 100 has good symmetry and large radiating area, and can realize good signal transmitting or receiving function when radiating broadband electromagnetic waves, and the antenna has the characteristics of low profile and high gain. The antenna 100 can supplement the defect of broadband antenna signal coverage in the related art, so that the antenna 100 provided by the disclosure can realize point-to-point communication of electromagnetic wave signals and has good application prospect.
As an application scenario, the antenna 100 may be applied to a cloud track or a cloud bar, so as to implement peer-to-peer communication between the cloud track or the cloud bar and a master console, or the antenna 100 may be applied to a vehicle. The present disclosure is not limited to a specific application scenario of the antenna 100.
It should be noted that the electrical lengths of the first radiator 11 and the second radiator 12 can be set to satisfy the requirement of a wide frequency band, which means that the first radiator 11 and the second radiator 12 are formed in a plate-like structure parallel to a horizontal plane, so that the electrical lengths of the first radiator 11 and the second radiator 12 can have a larger adjustment range, thereby breaking through the limitation of the electrical length of the antenna in the related art, and thus, the first radiator 11 and the second radiator 12 can be alternatively configured to have the electrical length of a wide frequency band of radiation, without limiting the electrical signals of the first radiator 11 and the second radiator 12 only capable of radiating a wide frequency band. The present disclosure is not particularly limited with respect to the electrical lengths of the first radiator 11 and the second radiator 12, and the present disclosure is not limited with respect to a specific operating frequency band of the antenna 100.
As an exemplary embodiment, alternatively, the first radiator 11 and the second radiator 12 may be configured to be capable of covering at least an operating frequency band of 6GHz-9 GHz. The working frequency band of the antenna 100 in this embodiment can cover a wide frequency band of 6GHz-9GHz, so that the defect of coverage of a wide frequency band antenna signal in the related art can be complemented, point-to-point communication of electromagnetic wave signals can be realized, and the antenna has a good application prospect. As an exemplary application scenario, the antenna 100 may be applied to a cloud track or a cloud bar, and because the antenna 100 can cover a wide frequency band of 6GHz-9GHz, point-to-point communication between the cloud track or the cloud bar and the master console can be achieved, and communication security and stability of the cloud track or the cloud bar are ensured.
The first and second radiators 11 and 12 may be constructed in a plate-like structure having an arbitrary shape, such as a rectangular plate-like structure, a circular plate-like structure, or an irregular plate-like structure, or the like, and as an exemplary embodiment, the first and second radiators 11 and 12 are alternatively each formed in a circular plate-like structure. In the above-described embodiment, alternatively, the diameter of the circular plate-like structure may be 7mm to 9mm, and the antenna 100 in this embodiment can cover a wide frequency band range and can realize a good signal transmitting or receiving function when radiating electromagnetic waves of a wide frequency band, with a high gain characteristic.
Fig. 6 illustrates a return loss diagram of an antenna 100 provided by an exemplary embodiment of the present disclosure, and as shown in fig. 6, the antenna 100 provided by the embodiment of the present disclosure can have a high gain in a wide frequency band of 6GHz-9 GHz.
In order to achieve connection between the antenna 100 and the signal source, as shown in fig. 1 to 3, optionally, the antenna 100 may further include a first connection part 21 and a second connection part 22, one end of the first connection part 21 is connected to the first radiator 11, the first connection part 21 extends in a vertical direction perpendicular to the first horizontal plane, a feeding area 31 for connection with a feeding point is provided on the first connection part 21, one end of the second connection part 22 is connected to the second radiator 12, the second connection part 22 extends in a vertical direction perpendicular to the first horizontal plane, and a grounding area 32 for connection with a grounding point is provided on the second connection part 22. The first and second connection parts 21 and 22 may be used to fix and mount the antenna 100, and the specific structure and function thereof are not limited by the present disclosure. The first connection portion 21 is provided with a feeding region 31 to connect a feeding point, and the second connection portion 22 is provided with a ground region 32 to connect a ground point, so that the connection between the antenna 100 and a signal source is achieved. Also, the first connection part 21 extends in the vertical direction, and the second connection part 22 extends in the vertical direction, so that the size occupied by the first connection part 21 and the second connection part 22 in the horizontal direction can be reduced, so that the first radiator 11 and the second radiator 12 can be brought close to each other, and the antenna 100 has a characteristic of high gain.
As shown in fig. 3, alternatively, the first connection portion 21 may be connected to the side portion of the first radiator 11 with the first radiator 11, the feeding region 31 is located at an end of the first connection portion 21 near the first radiator 11, the second connection portion 22 is connected to the side portion of the second radiator 12, and the ground region 32 is located at an end of the second connection portion 22 near the second radiator 12.
In the above embodiment, the feeding region 31 is located at the end of the first connection portion 21 near the first radiator 11, and the grounding region 32 is located at the end of the second connection portion 22 near the second radiator 12, so that the feeding region 31 is located as close as possible to the first radiator 11, and the grounding region 32 is located as close as possible to the second radiator 12, which is advantageous for the first radiator 11 and the second radiator 12 to achieve good signal transmitting or receiving functions. The first connection portion 21 and the first radiator 11 are connected to the side portion of the first radiator 11, the second connection portion 22 is connected to the side portion of the second radiator 12, the first radiator 11 and the second radiator 12 can radiate signals through the entire panel, and the antenna 100 has a high gain characteristic. Also, the antenna 100 in this embodiment can further improve the performance of the antenna 100 by adjusting the impedance of the antenna 100 by adjusting the sizes of the first connection portion 21 and the second connection portion 22. Moreover, the first connection portion 21 and the second connection portion 22 may be made of metal materials, and may also play a supporting role on the first radiator 11 and the second radiator 12 in addition to the function of transmitting current, without designing a supporting structure for the antenna 100, so that the antenna 100 is simple in structure and strong in stability.
As an exemplary embodiment, alternatively, the first connection part 21 may have a size of 12mm to 16mm in the vertical direction and the second connection part 22 may have a size of 12mm to 16mm in the vertical direction, so that the antenna 100 has good performance.
The antenna 100 is typically connected to a signal source through a coaxial line, which typically includes an outer conductor as a ground point and an inner core for transmitting electric current, and in order to facilitate arrangement of the coaxial line and the antenna 100, as an exemplary embodiment, as shown in fig. 3, alternatively, a first loop structure 211 may be formed on the first connection part 21, the first loop structure 211 having a first center hole 212, and a second loop structure 221 formed on the second connection part 22, the second loop structure 221 having a second center hole 222, an inner wall of the first center hole 212 being a feeding region 31 and being for connection to the inner core of the coaxial line, and an inner wall of the second center hole 222 being a ground region 32 and being for connection to the outer conductor of the coaxial line.
In the above embodiment, in order to further facilitate the arrangement of the coaxial line and the antenna 100, as shown in fig. 3 to 5, alternatively, the first central hole 212 and the second central hole 222 are coaxially arranged, and the axis of the first central hole 212 and the axis of the second central hole 222 are parallel to the first horizontal plane, when the antenna 100 and the coaxial line are connected in this embodiment, since the outer conductor of the coaxial line is usually disposed around the inner core, for example, the outer conductor of the coaxial line may be an outer copper layer around the outer periphery of the inner core, the first central hole 212 and the second central hole 222 are coaxially arranged, so that the outer conductor of the coaxial line and the inner core do not interfere in position when being arranged, thereby facilitating the connection of the coaxial line and the antenna 100.
Optionally, the antenna 100 further includes a reflecting plate 4 parallel to the horizontal plane, the reflecting plate 4 is located in a second horizontal plane, the second horizontal plane and the first horizontal plane are disposed at intervals along the vertical direction, and projections of the first radiator 11 and the second radiator 12 on the reflecting plate 4 along the vertical direction are located in the reflecting plate 4. The reflection plate 4 can reflect electromagnetic wave signals generated between the first radiator 11 and the second radiator 12, and can match the impedance of the antenna 100 without additionally providing electronic components for impedance matching, so that the antenna 100 can realize a good signal transmitting or receiving function. The antenna 100 can adjust the direction of the antenna 100 by adjusting the position, the size, and the like of the reflection plate 4, and thus the antenna 100 has the characteristics of high gain and low profile.
In the above embodiment, alternatively, the distance between the surface of the reflecting plate 4 close to the first radiator 11 and the surface of the first radiator 11 close to the reflecting plate 4 is 12mm to 16mm, and the distance between the surface of the reflecting plate 4 close to the second radiator 12 and the surface of the second radiator 12 close to the reflecting plate 4 is 12mm to 16mm.
The reflecting plate 4 and the first and second radiators 11 and 12 may be separately disposed, or may be connected to each other or integrally formed, and in an embodiment including the first and second connection parts 21 and 22, alternatively, one end of the first connection part 21 may be connected to the first radiator 11, the other end may be connected to the reflecting plate 4, one end of the second connection part 22 may be connected to the second radiator 12, and the other end may be connected to the reflecting plate 4.
The shape and position of the reflection plate 4 may be adjusted according to the frequency band requirement of the antenna 100, as an exemplary embodiment, as shown in fig. 4, alternatively, the reflection plate 4 may be formed in a rectangular plate-like structure having a side length of 57mm to 63mm.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.

Claims (10)

1. An antenna, comprising:
a first radiator for connection with a feed point;
the second radiator is used for being connected with a grounding point;
the first radiator and the second radiator are both formed into a plate-shaped structure parallel to the horizontal plane, and are positioned in the first horizontal plane and symmetrically arranged at intervals.
2. The antenna of claim 1, further comprising a first connection and a second connection;
one end of the first connecting part is connected to the first radiator, the first connecting part extends along the vertical direction perpendicular to the first horizontal plane, and a feeding area for connecting with the feeding point is arranged on the first connecting part;
one end of the second connecting portion is connected to the second radiator, the second connecting portion extends along the vertical direction, and a grounding area used for being connected with the grounding point is arranged on the second connecting portion.
3. The antenna of claim 2, wherein the first connection portion and the first radiator are connected to an edge portion of the first radiator, and the feed region is located at an end of the first connection portion near the first radiator;
the second connecting portion is connected to the edge portion of the second radiator, and the grounding area is located at one end, close to the second radiator, of the second connecting portion.
4. The antenna of claim 2, wherein the first connection portion has a first annular structure formed thereon, the first annular structure has a first center hole, the second connection portion has a second annular structure formed thereon, the second annular structure has a second center hole, an inner wall of the first center hole is the feeding region and is used for being connected to an inner core of a coaxial line, and an inner wall of the second center hole is the grounding region and is used for being connected to an outer conductor of the coaxial line.
5. The antenna of claim 4, wherein the first and second central holes are coaxially arranged, and wherein an axis of the first central hole and an axis of the second central hole are both parallel to the first horizontal plane.
6. The antenna of any one of claims 1-5, further comprising a reflector plate parallel to the horizontal plane, the reflector plate being located in a second horizontal plane, the second horizontal plane and the first horizontal plane being spaced apart in a vertical direction, a projection of the first radiator and the second radiator onto the reflector plate in the vertical direction being located in the reflector plate.
7. The antenna of claim 6, wherein a distance between a surface of the reflecting plate adjacent to the first radiator and a surface of the first radiator adjacent to the reflecting plate is 12mm to 16mm;
the distance between the surface of the reflecting plate, which is close to the second radiator, and the surface of the second radiator, which is close to the reflecting plate, is 12mm-16mm.
8. The antenna of claim 6, wherein the reflector is formed as a rectangular plate-like structure having a side length of 57mm-63mm.
9. The antenna of any one of claims 1-5, wherein the first and second radiators are configured to cover at least an operating frequency band of 6GHz-9 GHz.
10. The antenna of any one of claims 1-5, wherein the first radiator and the second radiator are each formed as a circular plate-like structure having a diameter of 7mm-9mm.
CN202320643545.9U 2023-03-27 2023-03-27 Antenna Active CN219643109U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320643545.9U CN219643109U (en) 2023-03-27 2023-03-27 Antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320643545.9U CN219643109U (en) 2023-03-27 2023-03-27 Antenna

Publications (1)

Publication Number Publication Date
CN219643109U true CN219643109U (en) 2023-09-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320643545.9U Active CN219643109U (en) 2023-03-27 2023-03-27 Antenna

Country Status (1)

Country Link
CN (1) CN219643109U (en)

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