CN-224216928-U - External RCS refitting device for military unmanned target drone

CN224216928UCN 224216928 UCN224216928 UCN 224216928UCN-224216928-U

Abstract

The utility model provides an externally-hung RCS refitting device of a military unmanned target drone, which comprises RCS refitted parts symmetrically arranged on wing tip blocks at two ends of a wing of the unmanned aerial vehicle, wherein the RCS refitted parts comprise a high-wave-transmission rectifying device and a Robert lens reflector, the Robert lens reflector is arranged in the high-wave-transmission rectifying device, and scale marks are arranged on the Robert lens reflector and the high-wave-transmission rectifying device. The high-wave-transmission rectifying device is internally provided with the vertical scale mark and the horizontal scale mark, the luneberg lens reflector with the scale marks is placed in the high-wave-transmission rectifying device, and the horizontal coordinate and the vertical coordinate corresponding to the required RCS value are aligned with the vertical scale mark and the horizontal scale mark of the high-wave-transmission rectifying device by rotating the luneberg lens reflector, so that the RCS value of the luneberg lens reflector is matched with the required RCS value. Through same long primary lens reflector, realize variable different RCS effects, reduced RCS debugging cost, solved current unmanned aerial vehicle RCS and adjusted the difficult problem.

Inventors

ZHANG XIANG
ZHAO XIN
SONG WEIWEI
ZHANG YUCHEN
SONG TAO

Assignees

陕西天翌科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250415

Claims (7)

1. The external-hanging RCS refitting device of the military unmanned target aircraft is characterized by comprising RCS refitted parts symmetrically arranged on wingtip blocks at two ends of an unmanned aircraft wing, wherein the RCS refitted parts comprise a high-wave-transmission rectifying device and a Robert lens reflector, the Robert lens reflector is arranged in the high-wave-transmission rectifying device, scale marks are arranged on the Robert lens reflector and the high-wave-transmission rectifying device, and RCS values of the Robert lens reflector are obtained by aligning transverse coordinates, longitudinal coordinates corresponding to the RCS values and the scale marks of the high-wave-transmission rectifying device through rotating the Robert lens reflector.
2. The external RCS refitting device of the military unmanned target drone, as set forth in claim 1, wherein the high-wave-transparent rectifying device comprises an upper shell and a lower shell, hollow hemispheres are arranged in the upper shell and the lower shell, the two hollow hemispheres form a spherical bowl after the upper shell and the lower shell are buckled, and the Longber lens reflector is fixedly arranged in the spherical bowl.
3. The external RCS refitting device of the military unmanned target drone of claim 2, wherein the side surfaces of the upper shell and the lower shell are respectively provided with lugs, and the positions of the lugs are aligned up and down.
4. The externally hung RCS retrofitting device for a military unmanned target drone of claim 1, wherein the primary lens reflector graduation marks comprise a transverse central weft and a vertical central warp.
5. The external RCS refitting device of the unmanned military drone of claim 2, wherein the high-wave-transparent rectifying device is an ellipsoidal high-wave-transparent rectifying cover.
6. The external RCS refitting device of the military unmanned target drone of claim 5, wherein the scale marks of the high-wave-transmission rectifying device comprise vertical scale marks and transverse scale marks, the transverse scale marks are arranged on the long axis of the lower shell and symmetrically arranged on two sides of the spherical bowl, and the vertical scale marks are arranged on the short axis of the lower shell and symmetrically arranged on two sides of the spherical bowl.
7. The external RCS retrofit device for a military unmanned target aircraft of claim 3, wherein the tab defines a plurality of through-holes.

Description

External RCS refitting device for military unmanned target drone Technical Field The utility model belongs to the technical field of aircrafts, and particularly relates to an externally hung RCS refitting device of a military unmanned target drone. Background The unmanned target drone is an unmanned aircraft, is mainly used for simulating an aerial target, provides a real shooting training target for an air defense weapon system (such as a ground-to-air missile, an antiaircraft gun and the like), and is also used for testing the performance of a novel air defense weapon. The device can fly according to preset parameters such as a route, altitude, speed and the like, and simulate the flight characteristics of various air threat targets such as airplanes, missiles and the like. As an air defense training device, the target drone is mainly used for daily training of air defense troops, and can simulate different types of air threats, such as targets with different speeds, heights and radar reflection sections (RCS). The RCS is important as an important index for measuring the difficulty level of the unmanned aerial vehicle detected by the radar. Therefore, the RCS external hanging device with different wave bands and different sizes, which meets the requirement of target aircraft carrying, needs to be developed and designed to meet the requirement of simulating the radar scattering areas of different flying objects. Disclosure of utility model The utility model aims to provide an externally hung RCS refitting device of a military unmanned target drone, which overcomes the technical problems in the prior art. Therefore, the technical scheme provided by the utility model is as follows: The utility model provides a military unmanned target aircraft external-hanging RCS repacking device, includes the RCS repacking piece on the wing tip piece of unmanned aerial vehicle wing both ends is located to the symmetry, the RCS repacking piece includes high wave-transparent fairing and long primary lens reflector, in high wave-transparent fairing was located to long primary lens reflector, long primary lens reflector and high wave-transparent fairing all are equipped with the scale mark, the RCS value of long primary lens reflector makes the corresponding horizontal, vertical coordinate of RCS value and high wave-transparent fairing's scale mark align the acquisition through rotatory long primary lens reflector. The high-wave-transparent rectifying device comprises an upper shell and a lower shell, wherein hollow hemispheres are arranged in the upper shell and the lower shell, a spherical bowl is formed by the two hollow hemispheres after the upper shell and the lower shell are buckled, and the luneberg lens reflector is fixedly arranged in the spherical bowl. The side surfaces of the upper shell and the lower shell are respectively provided with an ear piece, and the positions of the two ear pieces are aligned up and down. The scale lines of the luneberg lens reflector comprise a horizontal center weft and a vertical center warp. The high-wave-transparent rectifying device is an ellipsoidal high-wave-transparent rectifying cover. The scale mark of the high-wave-transmission rectifying device comprises a vertical scale mark and a horizontal scale mark, wherein the horizontal scale mark is arranged on the long shaft of the lower shell and symmetrically arranged on two sides of the ball bowl, and the vertical scale mark is arranged on the short shaft of the lower shell and symmetrically arranged on two sides of the ball bowl. The lug is provided with a plurality of connecting through holes. The beneficial effects of the utility model are as follows: According to the externally hung RCS refitting device for the military unmanned target drone, the vertical scale mark and the horizontal scale mark are arranged in the high-wave-transmission rectifying device, the lunar lens reflector with the scale marks is placed in the high-wave-transmission rectifying device, and the horizontal coordinate and the vertical coordinate corresponding to the required RCS value are aligned with the vertical scale mark and the horizontal scale mark of the high-wave-transmission rectifying device by rotating the lunar lens reflector, so that the RCS value of the lunar lens reflector is matched with the required RCS value. According to the utility model, different variable RCS effects are realized through the same luneberg lens reflector, the RCS debugging cost is reduced, and the problem of difficult RCS adjustment of the existing unmanned aerial vehicle is solved. Drawings FIG. 1 is a schematic diagram of one embodiment of the present utility model; FIG. 2 is a schematic illustration of a scaled Dragon-based lens reflector; Fig. 3 is a schematic structural diagram of an embodiment of a high wave-transparent rectifying device. In the figure, a high wave-transparent rectifying device 1, a luneberg lens reflector 2, a transverse center weft, a vertical