CN220510244U - L-band flat dipole - Google Patents
L-band flat dipole Download PDFInfo
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- CN220510244U CN220510244U CN202322272903.2U CN202322272903U CN220510244U CN 220510244 U CN220510244 U CN 220510244U CN 202322272903 U CN202322272903 U CN 202322272903U CN 220510244 U CN220510244 U CN 220510244U
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- 239000002184 metal Substances 0.000 claims abstract description 29
- 230000005855 radiation Effects 0.000 claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses an L-band flat dipole, and belongs to the technical field of antennas. The antenna mainly comprises an antenna body, a feed column, a matching adjusting piece, a radio frequency socket and a metal reflecting plate. The antenna body comprises a radiation arm, a stand column and a base, wherein the antenna radiation arm is parallel to the metal reflecting plate. The utility model realizes the broadband and high gain characteristics of the antenna by adopting the flat dipole form, realizes the easy adjustment characteristic of the antenna by matching the design of the adjusting sheet, and has the advantages of stable structure and reliable performance by adopting an all-metal structure.
Description
Technical Field
The utility model relates to the technical field of antennas, in particular to an L-band flat dipole.
Background
With the rapid development of modern information technology, electronic devices in the fields of electronic countermeasure, radio communication, modern radar and the like are continuously updated and iterated, the amount of information to be transmitted and processed is larger and larger, and higher requirements are put on the bandwidth of an antenna serving as a radio front-end device. In the application demands of electronic countermeasure, remote communication and the like, the antenna is required to have certain power resistance, and meanwhile, the use environments of the airborne, vehicle-mounted, carrier-borne and other platforms are required to have the characteristics of stable and reliable structure and the like.
Dipole antennas are used as the most common antenna form in engineering application and are widely applied to the fields of communication, broadcasting, television, radar, navigation, remote sensing test and the like, but the traditional dipole antennas are not wide enough in bandwidth and low in gain of poor directivity, and meanwhile, the characteristics of reliable and stable structure, high power resistance, easiness in processing and the like are difficult to consider. Therefore, the design problems of wide band, easy processing, high power resistance, stable and reliable structure and the like of the dipole are urgently needed to be solved.
Disclosure of Invention
In view of this, the present utility model provides an L-band flat dipole. The antenna is high in reliability and stability by adopting an all-metal processing technology, and meanwhile, the power resistance value of all-metal materials is higher; the directional radiation of the dipole is realized through the design of the metal reflecting plate, and the gain is higher; the wideband characteristic of the dipole is realized through the optimal design of key parts such as the feed column, the antenna body radiation arm and the like.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an L-band flat dipole comprises an antenna body, a feed post, a radio frequency socket and a metal reflecting plate, wherein the antenna body mainly comprises a radiation arm, a stand column and a base, and the three are integrally formed by metal;
the two upright posts are respectively arranged and are respectively erected on the upper surface of the base; the two upright posts are plate-shaped and are arranged in parallel, and a gap is reserved between the two upright posts;
the two radiation arms are arranged, the radiation arms are in one-to-one correspondence with the upright posts and are vertically interconnected to form an inverted L-shaped structure; the radiation arm consists of a radiation arm surface and reinforcing ribs positioned at the bottom of the radiation arm surface, the two sides of the radiation arm surface are provided with flanging, and the bending angle of the flanging is 90 degrees; the flanging is vertical to the upright post;
wherein the inner end of one radiation arm extends towards the other upright post; the feed column is positioned between the two upright posts, the top end of the feed column is connected with the extension of the radiation arm through a screw, the center of the bottom end of the feed column is provided with a unthreaded hole along the axis of the feed column, the side surface of the feed column is provided with a threaded hole, the threaded hole is vertical and is directly communicated with the unthreaded hole, and the inner core of the radio frequency socket penetrates into the unthreaded hole and props up the inner core through a jackscrew in the threaded hole to realize electric connection;
the inner core of the radio frequency socket is in non-contact with the metal reflecting plate, and the inner core is in non-contact with the base.
The base is fixedly connected with the upper surface of the metal reflecting plate.
Further, the device also comprises two matching adjusting pieces; two ends of each matching connection sheet are respectively connected to the two upright posts; the two matching connection sheets are respectively positioned at two sides of the two upright posts, and the two matching adjustment sheets and the upright posts form an annular structure.
The beneficial effects generated by adopting the technical scheme are as follows:
1. the utility model realizes high reliability and high stability of the antenna by adopting an all-metal processing technology, and meanwhile, the power resistance value of all-metal materials is higher;
2. according to the utility model, the directional radiation of the dipole is realized through the design of the metal reflecting plate, and the gain is higher;
3. the utility model realizes the broadband characteristic of the dipole through the design of key parts such as the feed column, the antenna body radiation arm and the like;
4. the utility model solves the problem that the matching adjusting piece is easy to loosen by adopting a mode of interconnecting the matching adjusting piece and the upright post screw.
Drawings
Fig. 1 is a schematic diagram of an antenna according to an embodiment of the utility model.
Fig. 2 is a schematic diagram of the antenna of fig. 1.
Fig. 3 is a schematic diagram of the feed post and rf receptacle of fig. 1.
In the figure: 1. the antenna body, 2, the feed column, 3, the matching adjusting piece, 4, the radio frequency socket, 5, the metal reflecting plate, 6, the antenna body radiating arm extension part, 7, the antenna body radiating arm reinforcing rib, 8, the antenna body radiating arm radiating surface, 9, the antenna body column, 10, the antenna body base,
11. the feed post is connected with the threaded hole, 12, the feed post through hole, 13, the feed post threaded hole, 14 of radiating arm extension, radio frequency socket inner core.
Detailed Description
The utility model will be further described with reference to the drawings and detailed description.
The utility model provides a dull and stereotyped dipole of L frequency channel, includes antenna body, feed post, matches regulating plate, radio frequency socket and metal reflecting plate, the antenna body passes through the screw with feed post, matches regulating plate, radio frequency socket and metal reflecting plate and connects, and whole structure regards the antenna body as the center, connects each component into a whole.
The antenna body consists of a radiation arm, an upright post and a base, and the radiation arm, the upright post and the base are integrally formed by metal;
the radiating arm of the antenna body consists of a radiating arm surface and a bottom reinforcing rib, the outer side of the radiating arm surface is in flanging design, the flanging is perpendicular to the main surface of the radiating arm, and the whole radiating arm surface is inverted U-shaped;
the radiating arms and the upright posts are vertically interconnected in a one-to-one correspondence manner, and are symmetrically inverted L-shaped, wherein one radiating arm extends out of the upright posts on opposite sides;
further, the extension part is not contacted with the opposite side upright post, and a certain gap is reserved between the extension part and the opposite side upright post;
the two stand columns are of plate-shaped structures and are arranged in parallel, a certain gap is reserved between the two stand columns, the upper ends of the two stand columns are vertically interconnected with the radiating arms, and the lower ends of the two stand columns are vertically interconnected with the antenna body base;
the base is vertically interconnected with the lower end of the upright post, and through holes are formed in two sides of the base and are used for being connected and fixed with the metal reflecting plate.
The feed column is positioned between the antenna body stand columns and is a metal cylinder, the upper end face of the feed column is interconnected with the extension part of the radiation arm through a screw, a certain gap is reserved between the lower end face of the feed column and the antenna body base, the center of the lower end face is provided with a light hole along the axis, the side face of the feed column is provided with a threaded hole, and the threaded hole is vertical to and is directly communicated with the light hole;
the radio frequency socket is arranged on the base of the antenna body through a screw, the inner core of the radio frequency socket upwards penetrates into the light hole of the feed column, and the inner core is propped up through a jackscrew in the threaded hole on the feed column, so that the radio frequency socket is electrically connected with the feed column;
further, the diameter of the inner core of the radio frequency socket is 1.3mm;
the matching adjusting plates are arranged in a front-back symmetrical mode, are arranged on the side face of the antenna body stand column through screws, are a certain distance away from the base, and form a metal annular closed space together with the stand column.
Referring to fig. 1, an L-band flat dipole in this embodiment includes an antenna body (1 in the figure), a feed post (2 in the figure), a matching adjusting piece (3 in the figure), a radio frequency socket (4 in the figure), and a metal reflecting plate (5 in the figure), where the antenna body is connected with the feed post, the matching adjusting piece, the radio frequency socket, and the metal reflecting plate by screws, and the whole structure uses the antenna body as a center to connect all the components into a whole;
referring to fig. 2, the antenna body is formed by a radiation arm, a column (9 in the figure) and a base (10 in the figure), and the three are integrally formed by metal; the antenna body radiating arm consists of a radiating arm surface (8 in the figure) and a bottom reinforcing rib (7 in the figure), the outer side of the radiating arm surface is in flanging design, the flanging is perpendicular to the main surface of the radiating arm, the whole radiating arm surface is in an inverted U shape, the width of the flanging is 8mm, and the length of the radiating arm is 30mm in the embodiment;
referring to fig. 2, the radiating arms and the upright posts are respectively provided with a pair, the radiating arms and the upright posts are vertically and correspondingly connected, the radiating arms are symmetrically inverted-L-shaped, one radiating arm extends out of the opposite upright post (8 in the figure), the extending part is not contacted with the opposite upright post, a certain gap is reserved between the radiating arms and the upright posts, and the width of the gap in the embodiment is 3mm;
referring to fig. 2, the two stand columns are in a plate-shaped structure and are arranged in parallel, a certain gap is reserved between the two stand columns, the upper end of the stand columns is vertically interconnected with the radiating arm, the lower end of the stand columns is vertically interconnected with the antenna body base, the height of the stand columns is 53mm, the width of the stand columns is 18mm, and the distance between the two stand columns is 18mm in the embodiment;
referring to fig. 2, the base is vertically interconnected with the lower end of the upright post, and through holes are formed on two sides of the base for connecting and fixing with the metal reflecting plate;
referring to fig. 1, the feeding posts are located between the antenna body posts and are metal cylinders, and in this embodiment, the feeding posts have a diameter of 10mm and a height of 40mm. The upper end face of the feed column is provided with a threaded hole (11 in the figure) and is interconnected with the extension part of the radiating arm through a screw, a certain gap is reserved between the lower end face of the feed column and the antenna body base, the center of the lower end face of the feed column is provided with a light hole (12 in the figure) along the axis, the side face of the feed column is provided with a threaded hole (13 in the figure), and the threaded hole is vertical and is directly communicated with the light hole;
referring to fig. 1 and 3, the radio frequency socket is mounted on a base of an antenna body through a screw, an inner core (14 in the drawing) of the radio frequency socket upwards penetrates into an optical hole of a feed column, and the inner core is propped up through a jackscrew in a threaded hole on the feed column, so that the radio frequency socket is electrically connected with the feed column, and the diameter of the inner core of the radio frequency socket in the embodiment is 1.3mm;
referring to fig. 1, the pair of matching adjusting plates is provided, the two matching adjusting plates are symmetrical in front and back, are mounted on the side surface of the antenna body upright post through screws, are at a certain distance from the base, and form a metal annular closed space together with the upright post, and in this embodiment, the center distance of the matching adjusting plates is 20mm from the metal reflecting plate.
The foregoing description is only of the preferred embodiments of the utility model, and all modifications that come within the scope of the following claims should be made thereto.
Claims (2)
1. The L-band flat dipole comprises an antenna body, a feed post, a radio frequency socket and a metal reflecting plate, and is characterized in that the antenna body mainly comprises a radiation arm, a stand column and a base, and the three are integrally formed by metal;
the two upright posts are respectively arranged and are respectively erected on the upper surface of the base; the two upright posts are plate-shaped and are arranged in parallel, and a gap is reserved between the two upright posts;
the two radiation arms are arranged, the radiation arms are in one-to-one correspondence with the upright posts and are vertically interconnected to form an inverted L-shaped structure; the radiation arm consists of a radiation arm surface and reinforcing ribs positioned at the bottom of the radiation arm surface, the two sides of the radiation arm surface are provided with flanging, and the bending angle of the flanging is 90 degrees; the flanging is vertical to the upright post;
wherein the inner end of one radiation arm extends towards the other upright post; the feed column is positioned between the two upright posts, the top end of the feed column is connected with the extension of the radiation arm through a screw, the center of the bottom end of the feed column is provided with a unthreaded hole along the axis of the feed column, the side surface of the feed column is provided with a threaded hole, the threaded hole is vertical and is directly communicated with the unthreaded hole, and the inner core of the radio frequency socket penetrates into the unthreaded hole and props up the inner core through a jackscrew in the threaded hole to realize electric connection;
the inner core of the radio frequency socket is in non-contact with the metal reflecting plate, and the inner core is in non-contact with the base;
the base is fixedly connected with the upper surface of the metal reflecting plate.
2. The L-band flat dipole as set forth in claim 1, further comprising two matching tabs; two ends of each matching connection sheet are respectively connected to the two upright posts; the two matching connection sheets are respectively positioned at two sides of the two upright posts, and the two matching adjustment sheets and the upright posts form an annular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322272903.2U CN220510244U (en) | 2023-08-23 | 2023-08-23 | L-band flat dipole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322272903.2U CN220510244U (en) | 2023-08-23 | 2023-08-23 | L-band flat dipole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510244U true CN220510244U (en) | 2024-02-20 |
Family
ID=89876885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322272903.2U Active CN220510244U (en) | 2023-08-23 | 2023-08-23 | L-band flat dipole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510244U (en) |
-
2023
- 2023-08-23 CN CN202322272903.2U patent/CN220510244U/en active Active
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