Turntable system for testing scattering cross section of antenna radar

Abstract

The utility model relates to an antenna radar cross section test turntable system, which comprises a mobile base, a protective cylinder, a turntable, a motion control assembly, a communication assembly, an upper computer and a wave-absorbing protective cover, the protective cylinder is arranged on the mobile base, the turntable is arranged on the mobile base in the protective cylinder, the turntable is electrically connected with the motion control assembly, and the communication assembly is electrically connected with the upper computer. The motion control assembly is connected and communicated with an upper computer through the communication assembly, the wave-absorbing protective cover surrounds the movable base and the rotary table, the wave-absorbing protective cover is formed by splicing a plurality of wave-absorbing plates, and wave-absorbing materials are arranged on the wave-absorbing plates. The beneficial effects of the utility model are that: can satisfy indoor and outdoor test demand simultaneously, can realize the multi-functional remote control of turntable, convenient to use, the test precision is high.

Description

Technical Field

[0001] This utility model belongs to the field of radar testing technology, specifically relating to an antenna radar cross section testing turntable system. Background Technology

[0002] Radar cross section (RCS) is a crucial parameter for measuring a target's reflection characteristics of radar waves, and it is widely used in antenna design, stealth technology evaluation, and other fields. RCS testing includes indoor anechoic chamber testing and outdoor testing. However, existing RCS testing systems typically operate only in either a single indoor or outdoor environment. The turntable used to support the test object is fixed, making it impossible to simultaneously meet the testing requirements of both indoor and outdoor environments. Furthermore, existing turntables only provide basic turning functions, exhibiting drawbacks such as limited functionality, low testing accuracy, and susceptibility to damage from external environmental factors. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide an antenna radar cross section test turntable system that can simultaneously meet indoor and outdoor testing needs, and can realize multi-functional remote control of the turntable, making it convenient to use and providing high testing accuracy.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A radar cross section testing turntable system for antennas includes a movable base, a protective cylinder, a turntable, a motion control component, a communication component, a host computer, and a radar-absorbing shield. The protective cylinder is mounted on the movable base, and the turntable is mounted on the movable base inside the protective cylinder. The turntable is electrically connected to the motion control component, which communicates with the host computer via the communication component. The radar-absorbing shield surrounds the movable base and the turntable and is composed of multiple radar-absorbing plates spliced ​​together, with radar-absorbing material on the plates.

[0006] Furthermore, the movable base includes a support base and a telescopic arm. The protective cylinder and the turntable are both located on the support base. The telescopic arm is located around the support base. One end of the telescopic arm slides through the support base, and the other end of the telescopic arm is equipped with a height adjustment component. The telescopic arm is equipped with multiple limit holes. The support base is equipped with locking screws corresponding to the limit holes. The bottom of the support base is equipped with rollers, and the support base is equipped with a pull rod.

[0007] Furthermore, the height adjustment assembly includes a handwheel, an adjusting screw, and a support foot. The adjusting screw is vertically mounted and threadedly connected to the telescopic arm. The handwheel is located at the top of the adjusting screw, and the support foot is located at the bottom of the adjusting screw.

[0008] Furthermore, the turntable includes a servo motor, a turntable flange, and a support plate. The servo motor is mounted on a support base inside the protective cylinder. The turntable flange is rotatably sleeved on the top of the protective cylinder and connected to the output end of the servo motor. The support plate is mounted on the turntable flange.

[0009] Furthermore, the motion control component includes a servo driver, a motion controller, and a micro industrial computer. The servo motor, servo driver, motion controller, and micro industrial computer are electrically connected in sequence. The motion controller and micro industrial computer communicate with the host computer through a communication component.

[0010] Furthermore, the communication components include a wireless communication module, an optical fiber communication module, and an optical fiber triggering module. The motion controller communicates with the host computer via the optical fiber triggering module, and the micro industrial computer communicates with the host computer via the wireless communication module and the optical fiber communication module.

[0011] Furthermore, a mounting plate is provided around the servo motor on the support base inside the protective cylinder. The servo driver, motion controller, micro industrial computer, fiber optic communication module, and fiber optic trigger module are all mounted on the mounting plate.

[0012] Furthermore, a sealing ring is provided between the turntable flange and the protective cylinder.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. This utility model allows the turntable to be easily transported indoors or outdoors for testing via a movable base, and the height of the turntable can be adjusted according to different testing requirements; the protective cylinder protects the turntable from damage to internal components caused by the external environment; the wave-absorbing protective cover protects the turntable from wave absorption, minimizing the impact of metal components on the test and improving testing accuracy; ultimately, the turntable can meet the testing needs of both indoors and outdoors.

[0015] 2. This utility model, through the setting of motion control components, communication components, and host computer, can select different communication methods according to needs to realize the transmission of commands such as rotation, speed adjustment, and emergency stop, thereby realizing the multi-functional remote control of the turntable. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model (the protective cover is removed from the diagram).

[0017] Figure 2 This is a front view schematic diagram of the overall structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the protective cylinder in this utility model;

[0019] Figure 4 This is a schematic diagram of the installation of the protective cover in this utility model.

[0020] In the diagram: 1. Protective cylinder; 2. Support base; 3. Telescopic arm; 4. Limiting hole; 5. Locking screw; 6. Roller; 7. Handwheel; 8. Adjusting screw; 9. Support leg; 10. Servo motor; 11. Turntable flange; 12. Bearing plate; 13. Servo driver; 14. Motion controller; 15. Micro industrial computer; 16. Fiber optic communication module; 17. Fiber optic trigger module; 18. Mounting plate; 19. Sealing ring; 20. Tie rod; 21. Wave-absorbing plate; 22. Wave-absorbing material. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description.

[0022] like Figures 1-3 As shown, an antenna radar cross section testing turntable system includes a movable base, a protective cylinder 1, a turntable, a motion control component, a communication component, a host computer, and a radar-absorbing protective cover. The movable base allows the turntable to be transported indoors or outdoors for testing as needed. The protective cylinder 1 protects the turntable during outdoor testing. The turntable is electrically connected to the motion control component, which communicates with the host computer via the communication component. After inputting control commands to the host computer, the host computer sends the control commands to the motion control component via the communication component. The motion control component then controls the turntable's operation according to the control commands, thereby achieving remote control of functions such as turntable positioning, speed adjustment, and emergency stop.

[0023] The wave-absorbing shield is composed of multiple wave-absorbing panels 21 spliced ​​together, and wave-absorbing material 22 is laid on the wave-absorbing panels 21. For example... Figure 4 As shown, after the turntable is transported to the test location via the mobile base, absorbing panels 21 are assembled around the mobile base and turntable to form an absorbing protective cover. This cover surrounds the mobile base and turntable, shielding all metal components. The absorbing material 22 then provides absorption protection, minimizing the impact of metal components on the test and improving test accuracy. Rollers can be installed at the bottom of the absorbing panels 21 for support, facilitating transportation and assembly.

[0024] like Figure 1 , Figure 2As shown, the movable base includes a support base 2 and a telescopic arm 3. The protective cylinder 1 is fixed on the support base 2, and the turntable is fixed on the support base 2 inside the protective cylinder 1. The telescopic arm 3 is located around the support base 2, with one end of the telescopic arm 3 slidingly inserted into the support base 2 and the other end of the telescopic arm 3 equipped with a height adjustment component. The telescopic arm 3 has multiple limiting holes 4, and the support base 2 has locking screws 5 corresponding to the limiting holes 4. The bottom of the support base 2 is equipped with rollers 6 to facilitate the movement of the support base 2, and the support base 2 is equipped with a pull rod 20 to facilitate the movement of the support base 2. The height adjustment component includes a handwheel 7, an adjusting screw 8, and a support foot 9. The adjusting screw 8 is vertically set and threadedly connected to the telescopic arm 3. The handwheel 7 is fixed to the top of the adjusting screw 8, and the support foot 9 is fixed to the bottom of the adjusting screw 8.

[0025] After moving the support base 2 to the test location, extend the telescopic arm 3, and then tighten the locking screw 5 into the limiting hole 4 to fix the telescopic arm 3. Then, according to the test requirements, drive the screw to rotate through the handwheel 7 to adjust the distance between the support leg 9 and the support base 2, thereby adjusting the height of the turntable to meet different test requirements.

[0026] like Figure 2 , Figure 3 As shown, the turntable includes a servo motor 10, a turntable flange 11, and a support plate 12. The servo motor 10 is mounted on a support base 2 inside the protective cylinder 1. The turntable flange 11 is rotatably sleeved on the top of the protective cylinder 1 and connected to the output end of the servo motor 10. The support plate 12 is fixed on the turntable flange 11. The support plate 12 is used to support the object under test. During testing, the servo motor 10 drives the turntable flange 11 to rotate, thereby adjusting the testing direction of the object under test.

[0027] like Figure 3 As shown, the motion control components include a servo driver 13, a motion controller 14, and a micro industrial computer 15. The communication components include a wireless communication module, a fiber optic communication module 16, and a fiber optic trigger module 17. A mounting plate 18 is fixed around the servo motor 10 on the support base 2 inside the protective cylinder 1. The servo driver 13, motion controller 14, micro industrial computer 15, fiber optic communication module 16, and fiber optic trigger module 17 are all mounted on the mounting plate 18. The wireless communication module is located outside the turntable. The servo motor 10, servo driver 13, motion controller 14, and micro industrial computer 15 are electrically connected in sequence. The motion controller 14 communicates with the host computer through the fiber optic trigger module 17, and then triggers the turntable's position through the fiber optic trigger module 17 to achieve the positioning of the turntable. The micro industrial computer 15 communicates with the host computer through the wireless communication module and the fiber optic communication module 16, and can select different communication methods according to needs to realize the transmission of commands such as rotation, speed adjustment, and emergency stop, thereby realizing the multi-functional remote control of the turntable.

[0028] like Figure 2As shown, a sealing ring 19 is provided between the turntable flange 11 and the protective cylinder 1 to seal the protective cylinder 1 during testing, preventing damage to the internal components of the protective cylinder 1 caused by the external environment.

[0029] Finally, although embodiments of the present invention have been shown and described above, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An antenna radar cross section test turntable system, characterized by: It includes a mobile base, a protective cylinder (1), a turntable, a motion control component, a communication component, a host computer, and a wave-absorbing protective cover. The protective cylinder (1) is located on the mobile base, and the turntable is located on the mobile base inside the protective cylinder (1). The turntable is electrically connected to the motion control component. The motion control component communicates with the host computer through the communication component. The wave-absorbing protective cover surrounds the mobile base and the turntable. The wave-absorbing protective cover is composed of multiple wave-absorbing plates (21) spliced ​​together. Wave-absorbing material (22) is provided on the wave-absorbing plates (21).

2. The antenna radar cross-section test turntable system of claim 1, wherein: The movable base includes a support base (2) and a telescopic arm (3). The protective cylinder (1) and the turntable are both located on the support base (2). The telescopic arm (3) is located around the support base (2). One end of the telescopic arm (3) slides through the support base (2). The other end of the telescopic arm (3) is equipped with a height adjustment component. The telescopic arm (3) is equipped with multiple limiting holes (4). The support base (2) is equipped with locking screws (5) corresponding to the limiting holes (4). The bottom of the support base (2) is equipped with rollers (6). The support base (2) is equipped with a pull rod (20).

3. The antenna radar cross-section test turntable system of claim 2, wherein: The height adjustment assembly includes a handwheel (7), an adjustment screw (8), and a foot (9). The adjustment screw (8) is set vertically and threadedly connected to the telescopic arm (3). The handwheel (7) is located at the top of the adjustment screw (8), and the foot (9) is located at the bottom of the adjustment screw (8).

4. The antenna radar cross-section test turntable system of claim 2, wherein: The turntable includes a servo motor (10), a turntable flange (11), and a bearing plate (12). The servo motor (10) is mounted on a support seat (2) inside the protective cylinder (1). The turntable flange (11) is rotatably mounted on the top of the protective cylinder (1) and connected to the output end of the servo motor (10). The bearing plate (12) is mounted on the turntable flange (11).

5. The antenna radar cross-section test turntable system of Claim 4, wherein: The motion control component includes a servo driver (13), a motion controller (14), and a micro industrial computer (15). The servo motor (10), servo driver (13), motion controller (14), and micro industrial computer (15) are electrically connected in sequence. The motion controller (14) and micro industrial computer (15) communicate with the host computer through a communication component.

6. The antenna radar cross-section test turntable system of Claim 5, wherein: The communication components include a wireless communication module, an optical fiber communication module (16), and an optical fiber triggering module (17). The motion controller (14) communicates with the host computer through the optical fiber triggering module (17), and the micro industrial computer (15) communicates with the host computer through the wireless communication module and the optical fiber communication module (16).

7. The antenna radar cross-section test turntable system of Claim 6, wherein: An mounting plate (18) is provided on the support base (2) inside the protective cylinder (1) around the servo motor (10). The servo driver (13), motion controller (14), micro industrial computer (15), fiber optic communication module (16) and fiber optic trigger module (17) are all located on the mounting plate (18).

8. The antenna radar cross-section test turntable system of Claim 4, wherein: A sealing ring (19) is provided between the turntable flange (11) and the protective cylinder (1).

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