CN215008576U - Positioning terminal, choke structure and antenna - Google Patents
Positioning terminal, choke structure and antenna Download PDFInfo
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- CN215008576U CN215008576U CN202121518470.9U CN202121518470U CN215008576U CN 215008576 U CN215008576 U CN 215008576U CN 202121518470 U CN202121518470 U CN 202121518470U CN 215008576 U CN215008576 U CN 215008576U
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Abstract
The application relates to a positioning terminal, a choke structure and an antenna. The method comprises the following steps: the first metal ground structure comprises a first metal plate provided with a first round hole, a first annular side wall and a second annular side wall, wherein the first annular side wall and the second annular side wall are formed by extending in the thickness direction of the first metal plate; the first annular side wall is wound on the second annular side wall; the first annular side wall is provided with a plurality of first gaps, the first gaps penetrate through the wall thickness direction of the first annular side wall, each first gap divides the first annular side wall into a plurality of side wall sections, and a conducting piece corresponding to each side wall section is arranged between the first annular side wall and the second annular side wall; the second annular side wall is provided with a plurality of second gaps corresponding to the conducting pieces, and the second gaps penetrate through the wall thickness direction of the second annular side wall; the second metal ground structure comprises a second metal plate provided with a second round hole, a plurality of grooves are formed in the side wall of the edge of the second metal plate, and the second metal plate is connected with the first metal plate; and the metal cavity is positioned on the surface of the second metal plate far away from the first metal plate.
Description
Technical Field
The application relates to the technical field of satellite navigation, in particular to a positioning terminal, a choking structure and an antenna.
Background
With the development of satellite navigation systems and satellite navigation technologies, satellite navigation positioning is more and more widely applied. Various navigation positioning terminals are widely applied to the scenes of geodetic surveying, building monitoring, bridge monitoring and the like. Firstly, a high-precision positioning antenna is used for receiving satellite signals of each satellite navigation system, then, software and hardware modules of a receiver are used for carrying out signal processing and resolving, and finally, the receiver outputs precise position information.
In the prior art, a high-precision positioning antenna and a receiver can be integrated together to form an integrated positioning terminal, but the positioning terminal in the prior art has the technical problems of deviation of phase center and poor multipath resistance.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a positioning terminal, a choke structure and an antenna, aiming at the technical problems of the positioning terminal in the conventional technology that the phase center is deviated and the multipath resistance is poor.
A positioning terminal, the positioning terminal comprising:
the first metal ground structure comprises a first metal plate provided with a first round hole, a first annular side wall and a second annular side wall, wherein the first annular side wall and the second annular side wall are formed by extending in the thickness direction of the first metal plate; the first annular side wall is wound on the second annular side wall; the first annular side wall is provided with a plurality of first gaps, the first gaps penetrate through the wall thickness direction of the first annular side wall, each first gap divides the first annular side wall into a plurality of side wall segments, and a conducting piece corresponding to each side wall segment is arranged between the first annular side wall and the second annular side wall; the second annular side wall is provided with a plurality of second gaps corresponding to the conducting pieces, and the second gaps penetrate through the wall thickness direction of the second annular side wall;
the second metal ground structure comprises a second metal plate provided with a second round hole, a plurality of grooves are formed in the side wall of the edge of the second metal plate, and the second metal plate is connected with the first metal plate;
the metal cavity is positioned on the surface of the second metal plate far away from the first metal plate;
the receiver circuit board is positioned in the metal cavity;
and the antenna structure is arranged at the position corresponding to the first round hole and the second round hole and is connected with the receiver circuit board.
In one embodiment, the positioning terminal further includes:
the metal hollow circular ring is positioned on the surface, away from the first annular side wall, of the first metal plate, and the second metal plate is connected with the first metal plate through the metal hollow circular ring.
In one embodiment, the grooves are uniformly distributed along the edge side wall of the second metal plate;
the depth of the groove in the thickness direction of the second metal plate is smaller than the thickness of the second metal plate.
In one embodiment, the second slit extends from the conducting member to a direction away from the conducting member.
A choke structure, the choke structure comprising:
the first metal ground structure comprises a first metal plate provided with a first round hole, a first annular side wall and a second annular side wall, wherein the first annular side wall and the second annular side wall are formed by extending in the thickness direction of the first metal plate; the first annular side wall is wound on the second annular side wall; the first annular side wall is provided with a plurality of first gaps, the first gaps penetrate through the wall thickness direction of the first annular side wall, each first gap divides the first annular side wall into a plurality of side wall segments, and a conducting piece corresponding to each side wall segment is arranged between the first annular side wall and the second annular side wall; the second annular side wall is provided with a plurality of second gaps corresponding to the conducting pieces, the second gaps penetrate through the wall thickness direction of the second annular side wall, and the second gaps extend from the conducting pieces to the direction far away from the conducting pieces;
the metal hollow circular ring is positioned on the surface of the first metal plate far away from the first annular side wall;
the second metal ground structure comprises a second metal plate provided with a second round hole, a plurality of grooves are formed in the side wall of the edge of the second metal plate, and the second metal plate is connected with the first metal plate through the metal hollow ring.
In one embodiment, the choke structure further comprises:
and the metal cavity is positioned on the surface of the second metal plate far away from the first metal plate.
In one embodiment, the grooves are uniformly distributed along the edge side wall of the second metal plate;
the depth of the groove in the thickness direction of the second metal plate is smaller than the thickness of the second metal plate.
An antenna, the antenna comprising:
the first metal ground structure comprises a first metal plate provided with a first round hole, a first annular side wall and a second annular side wall, wherein the first annular side wall and the second annular side wall are formed by extending in the thickness direction of the first metal plate; the first annular side wall is wound on the second annular side wall; the first annular side wall is provided with a plurality of first gaps, the first gaps penetrate through the wall thickness direction of the first annular side wall, each first gap divides the first annular side wall into a plurality of side wall segments, and a conducting piece corresponding to each side wall segment is arranged between the first annular side wall and the second annular side wall; the second annular side wall is provided with a plurality of second gaps corresponding to the conducting pieces, and the second gaps penetrate through the wall thickness direction of the second annular side wall;
the metal hollow circular ring is positioned on the surface of the first metal plate far away from the first annular side wall;
the second metal ground structure comprises a second metal plate provided with a second round hole, a plurality of grooves are formed in the side wall of the edge of the second metal plate, and the second metal plate is connected with the first metal plate through the metal hollow round ring;
the metal cavity is positioned on the surface of the second metal plate far away from the first metal plate;
and the antenna structure is arranged at the position corresponding to the first round hole and the second round hole.
In one embodiment, the antenna structure comprises a first satellite navigation antenna radiation unit, a wireless communication antenna unit and a first high-frequency plate; wherein:
the first satellite navigation antenna radiation unit is located at the center of the first high-frequency plate, and the wireless communication antenna unit is located at the edge of the first high-frequency plate.
In one embodiment, the antenna structure comprises a second satellite navigation antenna radiation unit and a second high-frequency plate; wherein:
the second high-frequency plate is positioned on the surface of the first satellite navigation antenna radiation unit, which is back to the first high-frequency plate;
the second satellite navigation antenna radiation unit is positioned on the surface of the second high-frequency plate, which is back to the first satellite navigation antenna unit.
The positioning terminal, the choking structure and the antenna realize the slotting design of the first metal ground structure and the meander design of the second metal ground structure. The induced current distribution of the metal ground is changed through the first metal ground structure and the second metal ground structure, the effective path of the induced current flowing is increased, the surface wave flowing direction of the antenna structure is changed, the technical effect of controlling current secondary radiation is achieved, the size of the first metal ground can be reduced, the standing-wave ratio is reduced by the second annular side wall and the second gap on the second annular side wall, and the output power of the antenna structure is improved. Furthermore, the front-to-back ratio of the antenna structure can be improved through the metal cavity, the receiver circuit board is arranged in the metal cavity, the antenna structure is connected with the receiver circuit board, the integrated design of the receiver and the high-precision positioning antenna structure is achieved, and the positioning terminal with the miniaturized choke coil structure is obtained.
Drawings
Fig. 1 is a schematic structural diagram of a positioning terminal in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a first metal ground structure in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a second metal ground structure in an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a positioning terminal in an embodiment of the present application.
Fig. 5 is a schematic structural diagram of an antenna structure according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of an antenna structure according to an embodiment of the present application.
Fig. 7 is a schematic structural diagram of a choke structure in an embodiment of the present application.
Fig. 8 is a schematic structural diagram of an antenna according to an embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, fig. 1 illustrates a schematic structural diagram of a positioning terminal in an embodiment of the present application, which includes a first metal ground structure 100, a second metal ground structure 200, a metal cavity 300, a receiver circuit board (not shown), and an antenna structure 400.
Specifically, as shown in fig. 2, the first metal ground structure 100 includes a first metal plate 110 provided with a first circular hole, a first annular sidewall 120 and a second annular sidewall 130 formed to extend in a thickness direction of the first metal plate 110. The first annular sidewall 120 is disposed around the second annular sidewall 130. The first annular sidewall 120 has a plurality of first slits 122, the first slits 122 penetrate the wall thickness direction of the first annular sidewall 120, each first slit 122 divides the first annular sidewall 120 into a plurality of sidewall segments 124, and a conducting piece 140 corresponding to the sidewall segments 124 is arranged between the first annular sidewall 120 and the second annular sidewall 130; the second annular sidewall 130 has a plurality of second slits 132 corresponding to the respective conductive members 140, and the second slits 132 penetrate the second annular sidewall 130 in the wall thickness direction. It should be noted that two adjacent conductive members 140, a portion of the first annular sidewall between two adjacent conductive members 140, and a portion of the second annular sidewall between two adjacent second slits 132 form a current path increasing groove, and the current path increasing groove is used for increasing a flow path of the metal induced current and reducing radiation of the induced current.
In some embodiments, the second slit 132 extends from the through member 140 in a direction away from the through member 140.
As shown in fig. 3, the second metal ground structure 200 includes a second metal plate 210 having a second circular hole, a plurality of grooves 220 are formed on a side wall of an edge of the second metal plate 210, and the second metal plate is connected to the first metal plate. In some embodiments, the grooves 220 are uniformly distributed along the edge sidewall of the second metal plate 210. The depth of the groove 220 in the thickness direction of the second metal plate 210 is smaller than the thickness of the second metal plate 210.
The metal cavity 300 is located on a surface of the second metal plate 210 away from the first metal plate 110. The metal cavity 300 can suppress backward radiation of the antenna structure, increase the forward radiation gain of the antenna, and improve the front-to-back ratio of the antenna. In some embodiments, a power supply module connected to the receiver circuit board may be further disposed in the metal cavity. A communication module connected to the antenna structure may also be disposed within the metal cavity.
A receiver circuit board (not shown) is located within the metal cavity 300. The antenna structure 400 is installed at a position corresponding to the first and second circular holes. The antenna structure 400 is connected to a receiver circuit board. The circuit board of the receiver is integrated into the metal cavity, so that the integration of the functions of the high-performance antenna and the receiver is realized, and the positioning terminal in the embodiment has the advantages of high positioning precision, stable phase center and strong anti-multipath capability, and is convenient to transport and flexibly install.
In this embodiment, the notching design of the first metal ground structure and the meandering design of the second metal ground structure are realized. The induced current distribution of the metal ground is changed through the first metal ground structure and the second metal ground structure, the effective path of the induced current flowing is increased, the surface wave flowing direction of the antenna structure is changed, the technical effect of controlling current secondary radiation is achieved, the size of the first metal ground can be reduced, the standing-wave ratio is reduced by the second annular side wall and the second gap on the second annular side wall, and the output power of the antenna structure is improved. Furthermore, the front-to-back ratio of the antenna structure can be improved through the metal cavity, the receiver circuit board is arranged in the metal cavity, the antenna structure 400 is connected with the receiver circuit board, the integrated design of the receiver and the high-precision positioning antenna structure is achieved, and the positioning terminal with the miniaturized choke coil structure is obtained.
In some embodiments, the number of the through-members, the number of the first slits, the number of the second slits, and the number of the grooves may be equal to 8, and may also be equal to 12.
Referring to fig. 4, fig. 4 is a schematic structural diagram illustrating a positioning terminal in an embodiment of the present application, and in some embodiments, the positioning terminal further includes a metal hollow ring 410, the metal hollow ring 410 is located on a surface of the first metal plate 110 away from the first annular sidewall 120, and the second metal plate 210 is connected to the first metal plate 110 through the metal hollow ring 410. In some embodiments, the circumference of the inner diameter of the metal hollow ring 410 is equal to the wavelength corresponding to the high band resonant frequency. In this embodiment, the metal hollow ring 410 is connected to the first metal ground structure and the second metal ground structure, so that radiation of the high-band induced current on the metal ground can be effectively suppressed.
In one embodiment, the antenna structure includes a first satellite navigation antenna radiation unit 510, a wireless communication antenna unit 520, and a first high frequency sheet 530. As shown in fig. 5, the first satellite navigation antenna radiation unit 510 is located at the center of the first high-frequency plate 530, and the wireless communication antenna unit 520 is located at the edge of the first high-frequency plate 530. In some embodiments, the edge of the first high-frequency board 530 is designed to be a sink, and the wireless communication antenna unit 520 is placed in the sink, so that the integration level of the antenna structure is improved, and the volume of the antenna structure is reduced.
In some embodiments, the wireless communication antenna unit 520 includes at least one of a bluetooth antenna unit, a WIFI antenna unit 524, a 4G antenna unit, a 5G antenna unit. In this embodiment, through realizing integrated form design with high accuracy positioning antenna and bluetooth antenna, wiFi antenna, communication antenna etc. further improved positioning terminal's integrated level and complete machine performance.
In one embodiment, as shown in fig. 6, a first satellite navigation antenna radiation unit 510, a wireless communication antenna unit 520, a first high frequency plate 530; wherein: the first satellite navigation antenna radiation unit 510 is located at the center of the first high-frequency plate 530, and the wireless communication antenna unit 520 is located at the edge of the first high-frequency plate 530. Further, the antenna structure 400 further includes a second satellite navigation antenna radiation unit 610 and a second high-frequency plate 620; wherein: the second high-frequency plate 620 is located on the surface of the first satellite navigation antenna radiation unit 510 facing away from the first high-frequency plate 530; the second satellite navigation antenna radiation unit 610 is located on the surface of the second high frequency sheet 620 facing away from the first satellite navigation antenna unit 510. It should be noted that, in this embodiment, the operating frequency band of the first satellite navigation antenna radiation unit is lower than the operating frequency band of the second satellite navigation antenna radiation unit.
In one embodiment, the present application provides a choke structure, as shown in fig. 7, including: a first metal ground structure 100, a second metal ground structure 200, a metal cavity 300 and a metal hollow ring 410.
Specifically, the first metal ground structure comprises a first metal plate provided with a first round hole, a first annular side wall and a second annular side wall, wherein the first annular side wall and the second annular side wall are formed by extending in the thickness direction of the first metal plate; the first annular side wall is wound on the second annular side wall; the first annular side wall is provided with a plurality of first gaps, the first gaps penetrate through the wall thickness direction of the first annular side wall, each first gap divides the first annular side wall into a plurality of side wall sections, and a conducting piece corresponding to each side wall section is arranged between the first annular side wall and the second annular side wall; the second annular side wall is provided with a plurality of second gaps corresponding to the conducting pieces, the second gaps penetrate through the wall thickness direction of the second annular side wall, and the second gaps extend from the conducting pieces to the direction far away from the conducting pieces.
And the metal hollow circular ring is positioned on the surface of the first metal plate far away from the first annular side wall.
The second metal ground structure comprises a second metal plate provided with a second round hole, a plurality of grooves are formed in the side wall of the edge of the second metal plate, and the second metal plate is connected with the first metal plate through a metal hollow ring.
In an embodiment, the choke structure further comprises:
and the metal cavity is positioned on the surface of the second metal plate far away from the first metal plate.
In one embodiment, the grooves are uniformly distributed along the side wall of the edge of the second metal plate;
the depth of the groove in the thickness direction of the second metal plate is smaller than the thickness of the second metal plate.
With regard to the above-described choke structure, the detailed manner in which the respective components are described in detail in the embodiments related to the positioning terminal has been described, and will not be explained in detail here.
In one embodiment, the present application provides an antenna, as shown in fig. 8, comprising: a first metal ground structure 100, a second metal ground structure 200, a metal cavity 300, an antenna structure 400, and a metal hollow ring 410.
Specifically, the first metal ground structure comprises a first metal plate provided with a first round hole, a first annular side wall and a second annular side wall, wherein the first annular side wall and the second annular side wall are formed by extending in the thickness direction of the first metal plate; the first annular side wall is wound on the second annular side wall; the first annular side wall is provided with a plurality of first gaps, the first gaps penetrate through the wall thickness direction of the first annular side wall, each first gap divides the first annular side wall into a plurality of side wall sections, and a conducting piece corresponding to each side wall section is arranged between the first annular side wall and the second annular side wall; the second annular side wall is provided with a plurality of second gaps corresponding to the conducting pieces, and the second gaps penetrate through the wall thickness direction of the second annular side wall.
And the metal hollow circular ring is positioned on the surface of the first metal plate far away from the first annular side wall.
The second metal ground structure comprises a second metal plate provided with a second round hole, a plurality of grooves are formed in the side wall of the edge of the second metal plate, and the second metal plate is connected with the first metal plate through a metal hollow ring.
And the metal cavity is positioned on the surface of the second metal plate far away from the first metal plate.
And the antenna structure is arranged at the position corresponding to the first round hole and the second round hole.
In one embodiment, the antenna structure comprises a first satellite navigation antenna radiation unit, a wireless communication antenna unit and a first high-frequency plate; wherein: the first satellite navigation antenna radiation unit is located at the center of the first high-frequency plate, and the wireless communication antenna unit is located at the edge of the first high-frequency plate.
In one embodiment, the antenna structure comprises a second satellite navigation antenna radiation unit and a second high-frequency plate; wherein: the second high-frequency plate is positioned on the surface of the first satellite navigation antenna radiation unit back to the first high-frequency plate; the second satellite navigation antenna radiation unit is positioned on the surface of the second high-frequency plate back to the first satellite navigation antenna unit.
With regard to the above-mentioned antenna, the detailed manner of each component has been described in detail in the embodiments related to the positioning terminal, and will not be elaborated herein.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claimed scope. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A positioning terminal, characterized in that the positioning terminal comprises:
the first metal ground structure comprises a first metal plate provided with a first round hole, a first annular side wall and a second annular side wall, wherein the first annular side wall and the second annular side wall are formed by extending in the thickness direction of the first metal plate; the first annular side wall is wound on the second annular side wall; the first annular side wall is provided with a plurality of first gaps, the first gaps penetrate through the wall thickness direction of the first annular side wall, each first gap divides the first annular side wall into a plurality of side wall segments, and a conducting piece corresponding to each side wall segment is arranged between the first annular side wall and the second annular side wall; the second annular side wall is provided with a plurality of second gaps corresponding to the conducting pieces, and the second gaps penetrate through the wall thickness direction of the second annular side wall;
the second metal ground structure comprises a second metal plate provided with a second round hole, a plurality of grooves are formed in the side wall of the edge of the second metal plate, and the second metal plate is connected with the first metal plate;
the metal cavity is positioned on the surface of the second metal plate far away from the first metal plate;
the receiver circuit board is positioned in the metal cavity;
and the antenna structure is arranged at the position corresponding to the first round hole and the second round hole and is connected with the receiver circuit board.
2. The positioning terminal of claim 1, further comprising:
the metal hollow circular ring is positioned on the surface, away from the first annular side wall, of the first metal plate, and the second metal plate is connected with the first metal plate through the metal hollow circular ring.
3. The positioning terminal of claim 1, wherein each of said recesses is uniformly distributed along a peripheral sidewall of said second metal plate;
the depth of the groove in the thickness direction of the second metal plate is smaller than the thickness of the second metal plate.
4. The positioning terminal of claim 1, wherein the second slot extends from the conductive member in a direction away from the conductive member.
5. A choke structure, characterized in that the choke structure comprises:
the first metal ground structure comprises a first metal plate provided with a first round hole, a first annular side wall and a second annular side wall, wherein the first annular side wall and the second annular side wall are formed by extending in the thickness direction of the first metal plate; the first annular side wall is wound on the second annular side wall; the first annular side wall is provided with a plurality of first gaps, the first gaps penetrate through the wall thickness direction of the first annular side wall, each first gap divides the first annular side wall into a plurality of side wall segments, and a conducting piece corresponding to each side wall segment is arranged between the first annular side wall and the second annular side wall; the second annular side wall is provided with a plurality of second gaps corresponding to the conducting pieces, the second gaps penetrate through the wall thickness direction of the second annular side wall, and the second gaps extend from the conducting pieces to the direction far away from the conducting pieces;
the metal hollow circular ring is positioned on the surface of the first metal plate far away from the first annular side wall;
the second metal ground structure comprises a second metal plate provided with a second round hole, a plurality of grooves are formed in the side wall of the edge of the second metal plate, and the second metal plate is connected with the first metal plate through the metal hollow ring.
6. The choke structure according to claim 5, further comprising:
and the metal cavity is positioned on the surface of the second metal plate far away from the first metal plate.
7. The choke structure according to claim 5, wherein each of the recesses is uniformly distributed along an edge side wall of the second metal plate;
the depth of the groove in the thickness direction of the second metal plate is smaller than the thickness of the second metal plate.
8. An antenna, characterized in that the antenna comprises:
the first metal ground structure comprises a first metal plate provided with a first round hole, a first annular side wall and a second annular side wall, wherein the first annular side wall and the second annular side wall are formed by extending in the thickness direction of the first metal plate; the first annular side wall is wound on the second annular side wall; the first annular side wall is provided with a plurality of first gaps, the first gaps penetrate through the wall thickness direction of the first annular side wall, each first gap divides the first annular side wall into a plurality of side wall segments, and a conducting piece corresponding to each side wall segment is arranged between the first annular side wall and the second annular side wall; the second annular side wall is provided with a plurality of second gaps corresponding to the conducting pieces, and the second gaps penetrate through the wall thickness direction of the second annular side wall;
the metal hollow circular ring is positioned on the surface of the first metal plate far away from the first annular side wall;
the second metal ground structure comprises a second metal plate provided with a second round hole, a plurality of grooves are formed in the side wall of the edge of the second metal plate, and the second metal plate is connected with the first metal plate through the metal hollow round ring;
the metal cavity is positioned on the surface of the second metal plate far away from the first metal plate;
and the antenna structure is arranged at the position corresponding to the first round hole and the second round hole.
9. The antenna of claim 8, wherein the antenna structure comprises a first satellite navigation antenna radiating element, a wireless communication antenna element, a first high frequency sheet material; wherein:
the first satellite navigation antenna radiation unit is located at the center of the first high-frequency plate, and the wireless communication antenna unit is located at the edge of the first high-frequency plate.
10. The antenna of claim 9, wherein the antenna structure comprises a second satellite navigation antenna radiating element and a second high frequency sheet material; wherein:
the second high-frequency plate is positioned on the surface of the first satellite navigation antenna radiation unit, which is back to the first high-frequency plate;
the second satellite navigation antenna radiation unit is positioned on the surface of the second high-frequency plate, which is back to the first satellite navigation antenna unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121518470.9U CN215008576U (en) | 2021-07-05 | 2021-07-05 | Positioning terminal, choke structure and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121518470.9U CN215008576U (en) | 2021-07-05 | 2021-07-05 | Positioning terminal, choke structure and antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215008576U true CN215008576U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121518470.9U Active CN215008576U (en) | 2021-07-05 | 2021-07-05 | Positioning terminal, choke structure and antenna |
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| Country | Link |
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| CN (1) | CN215008576U (en) |
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2021
- 2021-07-05 CN CN202121518470.9U patent/CN215008576U/en active Active
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