Constant-beam direction-finding horn antenna
By designing an installation structure including side plates, reflector plates, sealing rods and motor-driven in the horn antenna, the problem of restricted angle adjustment of the existing horn antenna is solved, and a stable constant beam direction finding effect is achieved in all-round rotation and assembly.
Patent Information
- Application Number
- CN202420962766.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The existing speaker antenna has the limitation of horizontal rotation but not vertical rotation when adjusting the angle, resulting in inflexible direction finding.
A constant beam direction finding horn antenna was designed, adopting a mounting structure including four side plates, reflector plates, sealing rods, mounting frames and motors. The side plates are fixed by sealing rods and caulking agents, and the mounting frames and bottom plates are driven by motors. Carry out all-round rotation to achieve flexible angle adjustment of the antenna body.
The all-round rotation of the antenna body is achieved, the limitation of angle adjustment is avoided, the stable assembly and adjustable opening size is ensured, and the direction finding flexibility of the speaker antenna is improved.
Smart Images

Figure CN222146572U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of horn antennas, in particular to a constant beam direction-finding horn antenna. Background Art
[0002] The horn antenna is a planar antenna, a microwave antenna with a circular or rectangular cross-section that gradually opens at the waveguide terminal. It is the most widely used type of microwave antenna. Its radiation field is determined by the size of the horn's mouth and the propagation type. For example, the patent with publication number CN217823263U discloses a double-ridge structure ultra-wideband horn antenna, including a horn antenna mechanism, a support mechanism is provided on one side of the horn antenna mechanism, the support mechanism includes a clamping frame and a support column, an inner positioning plate is provided on the upper side of the support column, a rotating motor is provided on the upper side of the inner positioning plate, and a plurality of supporting feet are provided on the outer side of the support column. When the rotating motor of the device is turned on, the connecting card slot drives the binding frame to rotate, and the rotation of the binding frame drives the horn antenna mechanism to rotate, but it can only drive the horn antenna to rotate horizontally, and cannot drive the horn antenna to rotate vertically, resulting in the horn antenna The angle adjustment is limited.
[0003] To this end, the utility model provides a constant beam direction finding horn antenna. Utility Model Content
[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a constant beam direction-finding horn antenna to solve the problems raised in the above-mentioned background technology. The present invention facilitates the assembly of the antenna body without deformation, and the reflector plate can be rotated to adjust the opening size; the antenna body can also be rotated in all directions to prevent the angle adjustment of the antenna body from being restricted.
[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a constant beam direction-finding horn antenna, including an antenna body and a mounting structure, the antenna body includes four side panels, one side of the side panel is rotatably matched with a reflector, a sealing rod is installed between two adjacent side panels, a fixed block is installed at one end of the sealing rod, the fixed block corresponds to the reflector, the mounting structure includes a first mounting frame, a second mounting frame is rotatably matched inside the first mounting frame, the second mounting frame corresponds to the antenna body, and a bottom plate is rotatably matched at the lower side of the second mounting frame.
[0006] Furthermore, the antenna body is a horn structure, and two adjacent side panels are fixedly connected by a sealing rod.
[0007] Furthermore, the sealing rod is fixedly connected to the side plate, and the space between the sealing rod and the side plate is filled with caulking agent and adhesive.
[0008] Furthermore, a rotating shaft is rotatably matched between two adjacent fixing blocks, and the rotating shaft is fixedly connected to the reflecting plate.
[0009] Furthermore, a plurality of bolts are threadedly engaged on the second mounting frame, and one end of the bolts is in contact with the antenna body.
[0010] Furthermore, the first mounting frame is a C-shaped structure, mounting shafts are fixed on both sides of the second mounting frame, the mounting shafts are rotatably connected to the first mounting frame, a first motor is fixed to one side of the first mounting frame, and an output end of the first motor is fixedly connected to the mounting shaft.
[0011] Furthermore, a second motor is fixed in the base plate, and an output end of the second motor is fixedly connected to the first mounting frame.
[0012] Furthermore, a rotation groove is provided in the bottom plate, and a rotation block is fixed on the lower side of the first mounting frame, and the rotation block corresponds to the rotation groove.
[0013] Beneficial effects of the utility model: The utility model is a constant beam direction-finding horn antenna, comprising a side plate; a reflection plate; a sealing rod; an antenna body; a first mounting frame; a second mounting frame; and a bottom plate.
[0014] A reflector is rotatably installed on one side of the side panel, and a sealing rod is installed between two adjacent side panels. The two side panels are fixed by the sealing rod, so that the antenna body can be easily assembled without deformation. At the same time, the reflector can be rotated to adjust the opening size, and the second mounting frame is rotatably installed in the first mounting frame. The bottom plate is rotatably installed at the lower side of the second mounting frame, so that the antenna body can be rotated in all directions to prevent the angle adjustment of the antenna body from being restricted. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall assembly three-dimensional structure of a constant beam direction-finding horn antenna of the utility model;
[0016] Figure 2 It is a schematic diagram of the assembly cross-sectional structure of the installation structure in a constant beam direction-finding horn antenna of the utility model;
[0017] Figure 3 It is an exploded diagram of a constant beam direction finding horn antenna of the utility model;
[0018] Figure 4 It is a schematic diagram of the assembled three-dimensional structure of the antenna body in a constant beam direction-finding horn antenna of the utility model;
[0019] In the figure: 1. antenna body; 2. side panel; 3. fixing block; 4. reflecting plate; 5. rotating shaft; 6. sealing rod; 7. first mounting bracket; 8. bolt; 9. mounting shaft; 10. second mounting bracket; 11. first motor; 12. second motor; 13. bottom plate; 15. rotating groove; 16. rotating block. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0021] See also Figures 1 to 4 The utility model provides a technical solution: a constant beam direction-finding horn antenna, including an antenna body 1 and a mounting structure, the antenna body 1 includes four side panels 2, one side of the side panel 2 is rotatably matched with a reflector 4, a sealing rod 6 is installed between two adjacent side panels 2, one end of the sealing rod 6 is installed with a fixing block 3, the fixing block 3 corresponds to the reflector 4, the mounting structure includes a first mounting frame 7, a second mounting frame 10 is rotatably matched inside the first mounting frame 7, the second mounting frame 10 corresponds to the antenna body 1, and a bottom plate 13 is rotatably matched at the lower side of the second mounting frame 10.
[0022] In this embodiment, the antenna body 1 is a horn structure, and two adjacent side panels 2 are fixedly connected by a sealing rod 6, and the sealing rod 6 is fixed to the side panel 2 by clamping, and the sealing rod 6 and the side panel 2 are filled with caulking agent and adhesive, and a rotating shaft 5 is rotatably matched between two adjacent fixed blocks 3, and the rotating shaft 5 is fixedly connected to the reflecting plate 4, and a self-locking structure is installed between the rotating shaft 5 and the reflecting plate 4, and the self-locking structure is the same as the self-locking device structure in the prior art.
[0023] Specifically, the side panel 2 can be fixedly installed by the sealing rod 6, and the stability and sealing can be ensured by the caulking agent and adhesive to improve the assembly effect, and the caliber of the antenna body 1 can be changed by rotating the reflector plate 4.
[0024] A plurality of bolts 8 are threadedly engaged on the second mounting frame 10, one end of the bolt 8 is in contact with the antenna body 1, the first mounting frame 7 is a C-shaped structure, mounting shafts 9 are fixed on both sides of the second mounting frame 10, the mounting shafts 9 are rotatably connected to the first mounting frame 7, a first motor 11 is fixed to one side of the first mounting frame 7, the output end of the first motor 11 is fixedly connected to the mounting shaft 9, a second motor 12 is fixed in the bottom plate 13, the output end of the second motor 12 is fixedly connected to the first mounting frame 7, a rotating groove 15 is opened in the bottom plate 13, a rotating block 16 is fixed to the lower side of the first mounting frame 7, the rotating block 16 corresponds to the rotating groove 15.
[0025] Specifically, when the antenna body 1 needs to be installed, the antenna body 1 is placed in the second mounting frame 10, and then the bolt 8 is rotated. The bolt 8 squeezes the antenna body 1 so that the antenna body 1 is clamped and fixed in the second mounting frame 10, and the installation of the antenna body 1 is completed.
[0026] When the antenna body 1 needs to be rotated, the first motor 11 is started, so that the first motor 11 drives the second mounting frame 10 to rotate, which can drive the antenna body 1 to rotate in the vertical direction, and then the second motor 12 is started, and the second motor 12 drives the first mounting frame 7 to rotate, which can drive the antenna body 1 to rotate in the horizontal direction, so that the angle of the antenna body 1 can be adjusted.
[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A constant beam direction finding horn antenna, comprising an antenna body (1) and a mounting structure, characterized in that: The antenna body (1) comprises four side panels (2), one side of the side panel (2) is rotatably engaged with a reflector (4), a sealing rod (6) is arranged between two adjacent side panels (2), one end of the sealing rod (6) is arranged with a fixing block (3), the fixing block (3) corresponds to the reflector (4), and the mounting structure comprises a first mounting frame (7), a second mounting frame (10) is rotatably engaged inside the first mounting frame (7), the second mounting frame (10) corresponds to the antenna body (1), and a bottom plate (13) is rotatably engaged at the lower side of the second mounting frame (10).
2. The constant beam direction finding horn antenna according to claim 1, characterized in that: The antenna body (1) is a horn structure, and two adjacent side panels (2) are fixedly connected via a sealing rod (6).
3. The constant beam direction finding horn antenna according to claim 1, characterized in that: The sealing rod (6) is fixedly connected to the side plate (2), and the space between the sealing rod (6) and the side plate (2) is filled with caulking agent and adhesive.
4. The constant beam direction finding horn antenna according to claim 1, characterized in that: A rotating shaft (5) is rotatably coupled between two adjacent fixed blocks (3), and the rotating shaft (5) is fixedly connected to the reflective plate (4).
5. The constant beam direction finding horn antenna according to claim 1, characterized in that: The second mounting frame (10) is threadedly fitted with a plurality of bolts (8), one end of the bolts (8) being in contact with the antenna body (1).
6. The constant beam direction finding horn antenna according to claim 1, characterized in that: The first mounting frame (7) is a C-shaped structure, mounting shafts (9) are fixed on both sides of the second mounting frame (10), the mounting shafts (9) are rotatably connected to the first mounting frame (7), a first motor (11) is fixed on one side of the first mounting frame (7), and an output end of the first motor (11) is fixedly connected to the mounting shaft (9).
7. The constant beam direction finding horn antenna according to claim 1, characterized in that: A second motor (12) is fixed inside the base plate (13), and an output end of the second motor (12) is fixedly connected to the first mounting frame (7).
8. The constant beam direction finding horn antenna according to claim 1, characterized in that: A rotation groove (15) is provided in the bottom plate (13), and a rotation block (16) is fixed on the lower side of the first mounting frame (7), and the rotation block (16) corresponds to the rotation groove (15).
