CN212517480U - Printed log periodic antenna array and mounting assembly therefor - Google Patents
Printed log periodic antenna array and mounting assembly therefor Download PDFInfo
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- CN212517480U CN212517480U CN202021529030.9U CN202021529030U CN212517480U CN 212517480 U CN212517480 U CN 212517480U CN 202021529030 U CN202021529030 U CN 202021529030U CN 212517480 U CN212517480 U CN 212517480U
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Abstract
The utility model relates to a printing log periodic antenna array and installation component thereof. The mounting assembly includes: a base; the fixed cylinder is arranged on the base; the plurality of supporting frames are arranged around the fixed cylinder; the support frame comprises a first end and a second end opposite to the first end, and the width of the support frame decreases progressively from the first end to the second end. A printed log periodic antenna array comprising: the installation component of the printing log periodic antenna array and the multiple groups of printing log periodic antenna groups are provided. In the printed log periodic antenna array, the printed log periodic antenna group forms an array structure, the arrangement is uniform, the occupied area is small, and the omnibearing coverage of signals is realized. Meanwhile, the first antenna and the second antenna are oppositely arranged and form a V-shaped structure, so that the arrangement mode of each group of printing log-periodic antennas is that the phase center of high frequency is at the front end, and the phase center of low frequency is at the rear end, thereby preventing the phase ambiguity and enhancing the accuracy.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to printing log periodic antenna array and installation component thereof.
Background
An antenna acts as a transformer that transforms a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space) or vice versa. Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like all use electromagnetic waves to transmit information and work by depending on antennas.
When monitoring a specific signal by using an antenna, in order to enable the antenna to effectively radiate an electromagnetic wave in a specific direction in a space or to effectively receive an electromagnetic wave in a specific direction in a space, it is often necessary to realize a wide range of signal coverage by using a combination of antennas. The traditional antenna combination still has the problems of large occupied area or easy occurrence of direction-finding inaccuracy and the like, and the application occasions of the traditional antenna combination are limited.
SUMMERY OF THE UTILITY MODEL
Therefore, a printed log-periodic antenna array and a mounting assembly thereof are needed to solve the problems that the traditional antenna combination still has a large occupied area or is easy to cause inaccurate direction finding and the like.
A mounting assembly for a printed log periodic antenna array, comprising: a base; the fixed cylinder is arranged on the base; the supporting frames are arranged around the fixed cylinder, are connected with the base and/or the fixed cylinder and are uniformly and alternately arranged along the circumferential direction of the fixed cylinder; the supporting frame comprises a first end and a second end opposite to the first end, the first end is connected with the fixed cylinder and/or the base, the second end extends towards the direction far away from the fixed cylinder, and the width of the supporting frame decreases progressively from the first end to the second end.
In one embodiment, the support frame comprises a first support bar assembly and a second support bar assembly, and the first support bar assembly and the second support bar assembly are arranged in parallel and at intervals along the circumferential direction of the fixed cylinder.
In one embodiment, the distance between the first support bar assembly and the second support bar assembly decreases from the side close to the fixed cylinder to the side far from the fixed cylinder.
In one embodiment, the first supporting strip assembly comprises a first supporting strip and a first fixing portion connected with the end portion of the first supporting strip, the second supporting strip assembly comprises a second supporting strip and a second fixing portion connected with the end portion of the second supporting strip, and the first fixing portion and the second fixing portion are fixed on the outer side surface of the fixing cylinder.
In one embodiment, the outer side surface of the fixed cylinder comprises a bottom and a top, the first fixed part and the second fixed part are both connected with the bottom, and the first fixed part and the second fixed part are both provided with a first fixed position for fixing an antenna;
the antenna comprises a first fixing part, a second fixing part and a third fixing part, wherein the first fixing part is arranged on the top of the antenna body, the second fixing part is arranged on the top of the antenna body, the third fixing part and the fourth fixing part are arranged on the top of the antenna body, the third fixing part and the first fixing part are arranged oppositely, the fourth fixing part and the second fixing part are arranged oppositely, and second fixing positions used for fixing the antenna are arranged on the third fixing.
In one embodiment, the first supporting strip is provided with a plurality of first mounting holes which are arranged at intervals along the length direction of the first supporting strip;
and/or the second supporting strip is provided with a plurality of second mounting holes, and the second mounting holes are arranged at intervals along the length direction of the second supporting strip.
In one embodiment, the second end extends in a direction obliquely upward and away from the stationary cylinder.
In one embodiment, the included angle between the bottom surface of the support frame and the horizontal plane is in the range of 30-50 degrees.
In one embodiment, the fixed cylinder is a hollow structure, and the fixed cylinder is provided with a wire passing hole penetrating through the inner side and the outer side of the fixed cylinder.
A printed log periodic antenna array, comprising: a mounting assembly for printing a log periodic antenna array as described above; the plurality of printing logarithmic period antenna groups are arranged on the plurality of support frames in a one-to-one correspondence manner; each group of the printing log-periodic antenna groups comprises a first antenna and a second antenna, the first antenna and the second antenna are arranged oppositely to form a V-shaped structure, the divergent end of the V-shaped structure is close to the fixed cylinder, and the tip end of the V-shaped structure is far away from the fixed cylinder.
In the printing log-periodic antenna array and the mounting assembly thereof, the plurality of support frames are arranged around the fixed cylinder, and after the printing log-periodic antenna group is mounted on the support frames, the printing log-periodic antenna group forms an array structure, so that the arrangement is uniform, and the occupied area is small. Meanwhile, the first end of the supporting frame is connected with the fixed cylinder and/or the base, the second end of the supporting frame extends in the direction away from the fixed cylinder, the width of the supporting frame decreases progressively from the first end to the second end, and when the first antenna and the second antenna are arranged on the two sides of the supporting frame, the first antenna and the second antenna are oppositely arranged and form a V-shaped structure. Wherein the pointed end of "V" shape structure is high frequency phase place end, and the end of dispersing of "V" shape structure is low frequency phase place end, and the installation component makes each group of printing log periodic antenna's arrangement mode be the phase place center of high frequency at the front end, and the phase place center of low frequency can prevent to produce the phase place fuzzy, prevents to appear the inaccurate problem of direction finding, and the accuracy is higher at the rear end.
Drawings
Fig. 1 is a schematic diagram of an explosion structure of a printed log periodic antenna array according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a printed log periodic antenna array according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a mounting assembly according to an embodiment of the present invention.
Description of reference numerals:
100. a base; 200. a fixed cylinder; 201. a wire passing hole; 210. a third fixed part; 220. a fourth fixing part; 221. a second fixed position; 300. a support frame; 301. a first end; 302. a second end; 310. a first support strut assembly; 311. a first support bar; 3111. a first mounting hole; 312. a first fixed part; 3121. a first fixed position; 320. a second support bar assembly; 321. a second supporting strip; 3211. a second mounting hole; 322. a second fixed part; 400. printing a log periodic antenna group; 410. a first antenna; 420. a second antenna.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention 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 invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
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 invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; 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 invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1-2, an embodiment relates to a printed log periodic antenna array including a mounting assembly and a printed log periodic antenna array 400.
The mounting assembly includes a base 100, a fixing cylinder 200, and a plurality of supporting frames 300. The fixed cylinder 200 is disposed on the base 100, the plurality of supporting frames 300 are connected to the base 100 and/or the fixed cylinder 200, and the plurality of supporting frames 300 are disposed around the fixed cylinder 200 along the circumference of the fixed cylinder 200 at regular intervals.
Specifically, the base 100 is annular, and the base 100 is provided with a threaded hole, so that the mounting and fixing of the mounting component can be realized by means of the base 100. The fixed cylinder 200 is fixedly connected to the base 100, and the fixed cylinder 200 is coaxially disposed with the base 100. Alternatively, the fixing cylinder 200 and the base 100 may be integrally formed, or may be fixed by bonding, screwing, or snapping. The supporting frame 300 is located outside the fixing cylinder 200 and is used for fixing the printing log-periodic antenna group 400, and optionally, the supporting frame 300 and the fixing cylinder 200 and/or the base 100 may be an integrally formed structure, and may also be fixed by means of bonding, screw connection, or snap connection.
As shown in fig. 3, in the present embodiment, the supporting frame 300 includes a first end 301 and a second end 302 opposite to the first end 301, the first end 301 is connected to the fixed cylinder 200 and/or the base 100, the second end 302 extends away from the fixed cylinder 200, and the width of the supporting frame 300 decreases from the first end 301 to the second end 302.
As shown in fig. 2 to 3, each support 300 is used to fix a set of printing log-periodic antenna set 400, each set of printing log-periodic antenna set 400 includes a first antenna 410 and a second antenna 420, the first antenna 410 and the second antenna 420 are respectively disposed on two sides of the support 300, the first antenna 410 and the second antenna 420 are disposed opposite to each other and form a "V" shaped structure, a divergent end of the "V" shaped structure is close to the fixed cylinder 200, and a tip of the "V" shaped structure is far away from the fixed cylinder 200.
The first antenna 410 and the second antenna 420 are double-sided printed log periodic antennas, which are broadband antennas with wider measurement frequency range; and compared with other types of antennas, the printed log periodic antenna has the advantages of small size, light weight and more convenient fixation.
In the above-mentioned printed log periodic antenna array and the mounting assembly thereof, the plurality of supporting frames 300 are arranged around the fixing cylinder 200, and after the printed log periodic antenna group 400 is mounted on the supporting frames 300, the printed log periodic antenna group 400 forms an array structure, which is uniform in arrangement, small in floor area, and capable of realizing all-directional coverage of signals. Meanwhile, the first end 301 of the supporting frame 300 is connected to the fixed cylinder 200 and/or the base 100, the second end 302 extends in a direction away from the fixed cylinder 200, and the width of the supporting frame 300 decreases from the first end 301 to the second end 302, when the first antenna 410 and the second antenna 420 are disposed at two sides of the supporting frame 300, the first antenna 410 and the second antenna 420 are disposed opposite to each other and form a "V" shaped structure. The tip of the V-shaped structure is a high-frequency phase end, the divergence end of the V-shaped structure is a low-frequency phase end, the installation assembly enables the arrangement mode of each group of the printing log-periodic antenna group 400 to be that the phase center of the high frequency is at the front end, the phase center of the low frequency is at the rear end, the phase blurring can be prevented, the problem of inaccurate direction finding is prevented, and the accuracy is higher.
As shown in fig. 1 and 3, in one embodiment, the supporting frame 300 includes a first supporting bar assembly 310 and a second supporting bar assembly 320, and the first supporting bar assembly 310 and the second supporting bar assembly 320 are arranged in parallel and spaced along the circumference of the fixed cylinder 200. The first support bar assembly 310 is used to fix the first antenna 410, and the second support bar assembly 320 is used to fix the second antenna 420. Further, the distance between the first and second support bar assemblies 310 and 320 decreases from the side close to the fixed cylinder 200 to the side far from the fixed cylinder 200. And one end of the first supporting bar 310 far away from the fixed cylinder 200 is connected with one end of the second supporting bar 320 far away from the fixed cylinder 200 through a connecting column. Thus, the first supporting bar assembly 310 and the second supporting bar assembly 320 form a "V" shape, and when the first antenna 410 is fixed along the first supporting bar assembly 310 and the second antenna 420 is fixed along the second supporting bar assembly 320, the first antenna 410 and the second antenna 420 naturally form a "V" shape.
In one embodiment, the first supporting bar assembly 310 includes a first supporting bar 311 and a first fixing portion 312 connected to an end of the first supporting bar 311, the second supporting bar assembly 320 includes a second supporting bar 321 and a second fixing portion 322 connected to an end of the second supporting bar 321, and the first fixing portion 312 and the second fixing portion 322 are fixed to an outer side surface of the fixing cylinder 200.
Specifically, the first supporting bar 311 is fixed to the outer side of the fixed cylinder 200 by the first fixing portion 312, wherein the first supporting bar 311, the first fixing portion 312 and the fixed cylinder 200 may be an integrally formed structure, or may be integrally connected by other fasteners. The second supporting bar 321 is fixed to the outer side of the fixing cylinder 200 through the second fixing portion 322, wherein the second supporting bar 321, the second fixing portion 322 and the fixing cylinder 200 may be an integrally formed structure, or may be connected into a whole through other fasteners.
Further, the outer side surface of the fixed cylinder 200 includes a bottom and a top, the first fixed portion 312 and the second fixed portion 322 are both connected to the bottom, and the first fixed portion 312 and the second fixed portion 322 are both provided with a first fixed position 3121; wherein, the first fixing positions 3121 are bolt holes. The top of the base is provided with a third fixing part 210 and a fourth fixing part 220, the third fixing part 210 is arranged opposite to the first fixing part 312, the fourth fixing part 220 is arranged opposite to the second fixing part 322, and the third fixing part 210 and the fourth fixing part 220 are both provided with a second fixing position 221; wherein, the second fixing positions 221 are bolt holes.
The first support bar 311 is provided with a plurality of first mounting holes 3111, and the plurality of first mounting holes 3111 are arranged at intervals along the length direction of the first support bar 311; the second supporting bar 321 is provided with a plurality of second mounting holes 3211, and the plurality of second mounting holes 3211 are arranged at intervals along the length direction of the second supporting bar 321.
Specifically, the first antenna 410 is fixed to the first support bar 311, the first fixing portion 312, and the third fixing portion 210 by bolts. The second antenna 420 is fixed to the second supporting bar 321, the second fixing portion 322 and the fourth fixing portion 220 by bolts.
As shown in fig. 2 to 3, in one embodiment, the supporting frame 300 includes a first end 301 and a second end 302 opposite to the first end 301, the first end 301 is connected to the fixed cylinder 200 and/or the base 100, and the second end 302 extends in a direction obliquely upward and away from the fixed cylinder 200. Thus, after the first antenna 410 and the second antenna 420 are mounted on the supporting frame 300, the first antenna 410 and the second antenna 420 are printed in an inclined shape, so that the coverage of signals after the log-periodic antenna array combination is printed is wider.
Specifically, the included angle between the bottom surface of the support frame 300 and the horizontal plane ranges from 30 degrees to 50 degrees. Therefore, the included angle between the bottom surfaces of the first antenna 410 and the second antenna 420 and the horizontal plane is in the range of 30-50 degrees, so that the coverage of the signals in the air-above-ground range is ensured.
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 represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A mounting assembly for a printed log periodic antenna array, comprising:
a base;
the fixed cylinder is arranged on the base; and
the supporting frames are arranged around the fixed cylinder, are connected with the base and/or the fixed cylinder and are uniformly and alternately arranged along the circumferential direction of the fixed cylinder;
the supporting frame comprises a first end and a second end opposite to the first end, the first end is connected with the fixed cylinder and/or the base, the second end extends towards the direction far away from the fixed cylinder, and the width of the supporting frame decreases progressively from the first end to the second end.
2. The mounting assembly of a printed log periodic antenna array of claim 1, wherein the support bracket comprises a first support bar assembly and a second support bar assembly, the first support bar assembly and the second support bar assembly being juxtaposed in a spaced apart relationship along a circumference of the stationary cylinder.
3. The mounting assembly of a printed log periodic antenna array of claim 2, wherein a distance between the first support bar assembly and the second support bar assembly decreases from a side proximate to the fixed cylinder to a side distal from the fixed cylinder.
4. The printed log periodic antenna array mounting assembly of claim 3, wherein the first support bar assembly comprises a first support bar and a first fixing portion connected to an end of the first support bar, the second support bar assembly comprises a second support bar and a second fixing portion connected to an end of the second support bar, and the first fixing portion and the second fixing portion are fixed to an outer side surface of the fixing cylinder.
5. The printed log periodic antenna array mounting assembly as recited in claim 4, wherein the outer side of the fixing cylinder comprises a bottom and a top, the first fixing portion and the second fixing portion are connected to the bottom, and the first fixing portion and the second fixing portion are provided with a first fixing position for fixing an antenna;
the antenna comprises a first fixing part, a second fixing part and a third fixing part, wherein the first fixing part is arranged on the top of the antenna body, the second fixing part is arranged on the top of the antenna body, the third fixing part and the fourth fixing part are arranged on the top of the antenna body, the third fixing part and the first fixing part are arranged oppositely, the fourth fixing part and the second fixing part are arranged oppositely, and second fixing positions used for fixing the antenna are arranged on the third fixing.
6. The mounting assembly of a printed log periodic antenna array of claim 4, wherein the first support bar is provided with a plurality of first mounting holes, the plurality of first mounting holes being spaced apart along a length of the first support bar;
and/or the second supporting strip is provided with a plurality of second mounting holes, and the second mounting holes are arranged at intervals along the length direction of the second supporting strip.
7. The mounting assembly of a printed log periodic antenna array of claim 1, wherein the second end extends obliquely upward and away from the stationary cylinder.
8. A mounting assembly for a printed log periodic antenna array as claimed in claim 7, wherein the angle of the bottom surface of the support bracket to the horizontal is in the range of 30 ° to 50 °.
9. The mounting assembly of a printed log periodic antenna array as claimed in claim 1, wherein the fixed cylinder is a hollow structure, and the fixed cylinder is provided with through-line holes penetrating through the inner and outer sides of the fixed cylinder.
10. A printed log periodic antenna array, comprising:
a mounting assembly for a printed log periodic antenna array as claimed in any one of claims 1 to 9; and
the printing logarithmic period antenna groups are arranged on the support frames in a one-to-one correspondence manner;
each group of the printing log-periodic antenna groups comprises a first antenna and a second antenna, the first antenna and the second antenna are arranged oppositely to form a V-shaped structure, the divergent end of the V-shaped structure is close to the fixed cylinder, and the tip end of the V-shaped structure is far away from the fixed cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021529030.9U CN212517480U (en) | 2020-07-28 | 2020-07-28 | Printed log periodic antenna array and mounting assembly therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021529030.9U CN212517480U (en) | 2020-07-28 | 2020-07-28 | Printed log periodic antenna array and mounting assembly therefor |
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| Publication Number | Publication Date |
|---|---|
| CN212517480U true CN212517480U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021529030.9U Active CN212517480U (en) | 2020-07-28 | 2020-07-28 | Printed log periodic antenna array and mounting assembly therefor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115616479A (en) * | 2022-12-19 | 2023-01-17 | 成都空御科技有限公司 | Fixed unmanned aerial vehicle monitoring facilities and system |
-
2020
- 2020-07-28 CN CN202021529030.9U patent/CN212517480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115616479A (en) * | 2022-12-19 | 2023-01-17 | 成都空御科技有限公司 | Fixed unmanned aerial vehicle monitoring facilities and system |
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Address after: Room 101-402, building 1, 8 Xingkang South Road, Changsha hi tech Development Zone, Changsha, Hunan 410000 Patentee after: Hunan kunlei Technology Co.,Ltd. Address before: Room a754, headquarters building, Changsha Zhongdian Software Park, 39 Jianshan Road, Changsha hi tech Development Zone, Changsha City, Hunan Province, 410000 Patentee before: HUNAN BOER KUNLEI INFORMATION TECHNOLOGY Co.,Ltd. |
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