CN220527212U - Array plane structure of miniaturized digital phased array antenna based on phase control - Google Patents
Array plane structure of miniaturized digital phased array antenna based on phase control Download PDFInfo
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- CN220527212U CN220527212U CN202321998632.2U CN202321998632U CN220527212U CN 220527212 U CN220527212 U CN 220527212U CN 202321998632 U CN202321998632 U CN 202321998632U CN 220527212 U CN220527212 U CN 220527212U
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Abstract
The utility model discloses an array surface structure of a miniaturized digital phased array antenna based on phase control, which comprises an antenna housing, array element mounting plates, antenna array elements, a main body frame and a first back cover plate, wherein the main body frame is arranged at the rear end of the antenna housing, a second back cover plate is arranged at the center of the rear end surface of the main body frame, the first back cover plates are arranged at the two sides of the second back cover plate, the array element mounting plates are arranged in the antenna housing, a plurality of antenna array elements are transversely and uniformly arranged on the array element mounting plates, a control panel mounting plate is arranged in the main body frame, a control panel module and a direct current filter are arranged on the upper back of the control panel mounting plate side by side, partition plates are respectively arranged at the two sides of the control panel mounting plate, and an adapter plate is arranged at the bottom of the main body frame. According to the utility model, through the modularized and low-processing-cost design, functions and module distinguishing and designing are performed, redundancy among system modules is reduced, the installation and maintenance efficiency is improved, and the maintenance cost is reduced.
Description
Technical Field
The utility model relates to the field of phased array antennas, in particular to an array plane structure of a miniaturized digital phased array antenna based on phase control.
Background
The phased array antenna adopts a large number of identical array elements to form an array plane, and each array element is independently controlled by a wave control device and a phase shifter in phase and amplitude, so that an accurate and predictable radiation pattern and beam pointing can be obtained. The control phase can change the direction of the maximum value of the antenna directional diagram, and the required beam direction is formed by radiating out a large amount of independent energy and performing power synthesis in space, so that the aim of beam scanning is fulfilled.
The phased array antenna has the advantages of fast phase change frequency, fast scanning speed, short period and more tracking targets. Due to the advantages, the phased array antenna has wide market prospect in military investigation and detection, civil weather monitoring, aviation and communication fields.
At present, phased array antennas have the defects of high manufacturing cost, high maintenance cost, insufficient modularization degree and low integration degree. These disadvantages extend the development cycle, increase the maintenance cost, and greatly limit the application scenarios of phased array antennas.
Disclosure of Invention
The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide a phased array antenna array plane structure of a miniaturized digital phased array antenna based on phase control.
The utility model realizes the above purpose through the following technical scheme:
the utility model provides a miniaturized digital phased array antenna's array face structure based on phase control, includes radome, array element mounting panel, antenna array element, main body frame, first back shroud, main body frame is installed to the radome rear end, main body frame rear end face central point puts and installs the second back shroud, first back shroud is all installed to second back shroud both sides, radome internally mounted has the array element mounting panel, transversely evenly arranged a plurality of antenna array element on the array element mounting panel, main body frame internally mounted has the control panel mounting panel, control panel module and direct current filter are installed side by side to the control panel mounting panel upper back, the baffle is installed respectively to control panel mounting panel both sides, the keysets is installed to main body frame bottom.
Preferably: the antenna housing, the main body frame and the first back cover plate are of modularized structures and are connected through screws.
By the arrangement, the processing difficulty of the structure is reduced, and the cost is reduced.
Preferably: array element mounting holes are formed in the array element mounting plates, and semicircular grooves are formed in each array element mounting hole.
The antenna array element positioning device is used for positioning the antenna array element and preventing the error installation of the array element direction.
Preferably: the back of antenna array element has cylindrical boss, with semicircle recess one-to-one on the array element mounting panel.
So set up, easy to assemble.
Preferably: the main body frame comprises a left frame, an upper frame, a right frame and a lower frame, wherein the upper frame is positioned at the top, the left frame is installed on one side of the bottom of the upper frame, the right frame is installed on the other side of the bottom of the upper frame, and the left frame and the bottom of the right frame are connected with the lower frame.
So set up, when satisfying structural strength requirement, the convenience of rethread screw connection assurance assembly.
Preferably: six supporting legs are arranged at the bottom of the control panel mounting plate and connected with the control panel mounting plate through screws.
Preferably: the antenna housing is connected with the main body frame through screws, and is made of glass fiber reinforced plastic.
Preferably: the control panel mounting plate is provided with a power switch, a fuse, an indicator light, a grounding column, a direct current filter, a power control device and an auxiliary device.
Preferably: the second back cover plate and the first back cover plate are provided with reinforcing ribs therebetween, and the second back cover plate and the first back cover plate are connected with the reinforcing ribs through screws.
So set up, first back shroud with the second back shroud is convenient to be dismantled, is convenient for maintain the inside device of equipment.
Preferably: the handle is arranged on the rear end face of the reinforcing rib.
So set up, through the convenient transport of handle.
Compared with the prior art, the utility model has the following beneficial effects:
through modularization and low processing cost design, functions and module distinguishing and designing are performed, redundancy among system modules is reduced, installation and maintenance efficiency is improved, and maintenance cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of an exploded structure of an array plane structure of a miniaturized digital phased array antenna based on phase control according to the present utility model;
fig. 2 is a front view of the array plane structure of a miniaturized digital phased array antenna based on phase control according to the present utility model;
fig. 3 is a rear design view of the array plane structure of a miniaturized digital phased array antenna based on phase control according to the present utility model;
fig. 4 is an isometric view of a phased array antenna array structure for a miniaturized digital phased array antenna according to the present utility model.
The reference numerals are explained as follows:
1. an antenna housing; 2. an array element mounting plate; 3. an antenna array element; 4. a left frame; 5. an upper frame; 6. a partition plate; 7. a first back cover plate; 8. reinforcing ribs; 9. a handle; 10. a second back cover plate; 11. a control board module; 12. a control board mounting plate; 13. a DC filter; 14. a right frame; 15. a lower frame; 16. and the adapter plate.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, an array plane structure of a miniaturized digital phased array antenna based on phase control comprises an antenna housing 1, an array element mounting plate 2, antenna array elements 3, a main body frame and a first back cover plate 7, wherein the main body frame is mounted at the back end of the antenna housing 1, a second back cover plate 10 is mounted at the center of the back end surface of the main body frame, the first back cover plate 7 is mounted at two sides of the second back cover plate 10, the array element mounting plate 2 is mounted in the antenna housing 1, a plurality of antenna array elements 3 are transversely and uniformly arranged on the array element mounting plate 2, a control board mounting plate 12 is mounted in the main body frame, a control board module 11 and a direct current filter 13 are mounted on the upper back of the control board mounting plate 12 side by side, a partition plate 6 is mounted at two sides of the control board mounting plate 12, and a patch board 16 is mounted at the bottom of the main body frame.
In this embodiment: the radome 1, the main body frame and the first back cover plate 7 all adopt modularized structures, and are connected through screws, so that the processing difficulty of the structure is reduced, and the cost is lowered.
In this embodiment: an array element mounting hole is designed on the array element mounting plate 2, and a semicircular groove is designed on each array element mounting hole and used for positioning the antenna array element 3 and preventing the error of array element direction mounting.
In this embodiment: the back of antenna array element 3 has cylindrical boss to design, corresponds with semicircle recess one-to-one on the array element mounting panel 2, easy to assemble.
In this embodiment: the main body frame comprises a left frame 4, an upper frame 5, a right frame 14 and a lower frame 15, wherein the upper frame 5 is positioned at the top, the left frame 4 is installed on one side of the bottom of the upper frame 5, the right frame 14 is installed on the other side of the bottom of the upper frame 5, the lower frame 15 is connected to the bottoms of the left frame 4 and the right frame 14, and convenience in assembly is guaranteed through screw connection while the structural strength requirement is met.
In this embodiment: six supporting legs are arranged at the bottom of the control panel mounting plate 12 and are connected with the control panel mounting plate 12 through screws.
In this embodiment: the antenna housing 1 is connected with the main body frame through screws, and the antenna housing 1 is made of glass fiber reinforced plastic.
In this embodiment: the control board mounting plate 12 is provided with a power switch, a fuse, an indicator light, a grounding post, a DC filter, a power control device and an auxiliary device.
In this embodiment: the reinforcing ribs 8 are arranged between the second back cover plate 10 and the first back cover plate 7, the second back cover plate 10 and the first back cover plate 7 are connected with the reinforcing ribs 8 through screws, and the first back cover plate 7 and the second back cover plate 10 are convenient to detach and convenient to maintain the internal devices of the equipment.
In this embodiment: the handle 9 is installed on the rear end face of the reinforcing rib 8, and the handle 9 is convenient to carry.
Working principle: the array plane is mainly composed of an array antenna part, a signal processing part and an array plane frame part. The array antenna part is composed of an antenna housing 1, array elements and an array element mounting plate 2. The shell of the antenna array element 3 is formed by processing an aluminum alloy material. The bottom of the shell of the antenna array element 3 adopts an SMA radio frequency connector to output signals acquired by the antenna array element 3 and transmit the signals to the control panel. The array elements are processed in a right-hand circular polarization mode, and each array element is processed by adopting the same structural design and the same material. In this embodiment, 12 array elements are arranged and fastened on the array element fixing plate in a manner of 1 row and 12 column with a fixed interval. And the antenna housing 1 formed by the glass fiber reinforced plastic material is arranged on the outer side of the array element fixing plate, so that the performance requirements of the antenna in the external environment and the electromagnetic environment are met.
The signal processing part is composed of a direct current filter 13 and a control board module 11. The control board module 11 is fixed inside the array frame through the supporting legs, and after signals acquired by array elements are collected through the SSMA radio frequency connector, the control board module 11 completes operation processing of multiple channel data and transmits the signals to external equipment through a data interface on the control board. The control board is connected with the SMA radio frequency connector of each independent array element end through the SSMA radio frequency connector on the printed board. The SSMA radio frequency connector at the other end of the control panel is connected with an aviation plug on the array frame. The data interface of the control panel module 11 comprises a J30J micro rectangular connector, an RJ45 network connector, a USB connector and an optical module, and the interfaces complete signal transmission between the control panel and an external connector.
The array frame is composed of an upper frame 5, a lower frame 15, a left frame 4, a right frame 14, a back cover plate component, an adapter plate 16 and other parts, wherein the back panel component is composed of a back panel reinforcing rib 8, two first back cover plates 7 and two second back cover plates 10. The upper frame 5, the lower frame 15, the left frame 4 and the right frame 14 form an array frame in a splicing mode, and the back cover plate reinforcing ribs 8, the two first back cover plates 7 and the two second back cover plates 10 are fastened at the back of the array frame. The antenna array element 3 and the array element mounting plate 2 are fixed at the front part of the array frame, and the antenna housing 1 is arranged outside the antenna array element 3 and the array element mounting plate 2. The control board module 11 is installed inside the array frame and connected with the antenna array element 3 and the frame member panel connector through a low-frequency cable. A switch, an indicator light, a fuse and a grounding column are arranged on the left side of the frame, and the connection with the outside and the reminding are respectively realized.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (10)
1. The array plane structure of miniaturized digital phased array antenna based on phase control, its characterized in that: including radome (1), array element mounting panel (2), antenna array element (3), main body frame, first back shroud (7), main body frame is installed to radome (1) rear end, second back shroud (10) are installed to main body frame rear end face central point put, first back shroud (7) are all installed to second back shroud (10) both sides, radome (1) internally mounted has array element mounting panel (2), transversely evenly arranged a plurality of antenna array element (3) on array element mounting panel (2), main body frame internally mounted has control panel mounting panel (12), control panel module (11) and direct current filter (13) are installed side by side to the back on control panel mounting panel (12), baffle (6) are installed respectively to control panel mounting panel (12) both sides, keysets (16) are installed to main body frame bottom.
2. The array plane structure of a miniaturized digital phased array antenna based on phase control of claim 1, wherein: the antenna housing (1) and the main body frame and the first back cover plate (7) are of modularized structures and are connected through screws.
3. The array plane structure of a miniaturized digital phased array antenna based on phase control of claim 1, wherein: array element mounting holes are formed in the array element mounting plates (2), and semicircular grooves are formed in each array element mounting hole.
4. A miniaturized digital phased array antenna array structure based on phase control as claimed in claim 3, wherein: the back of the antenna array element (3) is provided with a cylindrical boss which corresponds to the semicircular grooves on the array element mounting plate (2) one by one.
5. The array plane structure of a miniaturized digital phased array antenna based on phase control of claim 1, wherein: the main body frame comprises a left frame (4), an upper frame (5), a right frame (14) and a lower frame (15), wherein the upper frame (5) is positioned at the top, the left frame (4) is installed on one side of the bottom of the upper frame (5), the right frame (14) is installed on the other side of the bottom of the upper frame (5), and the lower frame (15) is connected to the bottom of the left frame (4) and the bottom of the right frame (14).
6. The array plane structure of a miniaturized digital phased array antenna based on phase control of claim 1, wherein: six supporting legs are arranged at the bottom of the control panel mounting plate (12), and the supporting legs are connected with the control panel mounting plate (12) through screws.
7. The array plane structure of a miniaturized digital phased array antenna based on phase control of claim 1, wherein: the antenna housing (1) is connected with the main body frame through screws, and the antenna housing (1) is made of glass fiber reinforced plastic.
8. The array plane structure of a miniaturized digital phased array antenna based on phase control of claim 1, wherein: and a power switch, a fuse, an indicator light, a grounding column, a direct current filter, a power control device and an auxiliary device are arranged on the control panel mounting plate (12).
9. The array plane structure of a miniaturized digital phased array antenna based on phase control of claim 1, wherein: reinforcing ribs (8) are arranged between the second back cover plate (10) and the first back cover plate (7), and the second back cover plate (10) and the first back cover plate (7) are connected with the reinforcing ribs (8) through screws.
10. The array plane structure of a miniaturized digital phased array antenna based on phase control of claim 9, wherein: the handle (9) is arranged on the rear end face of the reinforcing rib (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321998632.2U CN220527212U (en) | 2023-07-27 | 2023-07-27 | Array plane structure of miniaturized digital phased array antenna based on phase control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321998632.2U CN220527212U (en) | 2023-07-27 | 2023-07-27 | Array plane structure of miniaturized digital phased array antenna based on phase control |
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| Publication Number | Publication Date |
|---|---|
| CN220527212U true CN220527212U (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321998632.2U Active CN220527212U (en) | 2023-07-27 | 2023-07-27 | Array plane structure of miniaturized digital phased array antenna based on phase control |
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| Country | Link |
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| CN (1) | CN220527212U (en) |
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- 2023-07-27 CN CN202321998632.2U patent/CN220527212U/en active Active
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