CN218782403U - Novel unmanned aerial vehicle backward passive RCS reinforcing device - Google Patents
Novel unmanned aerial vehicle backward passive RCS reinforcing device Download PDFInfo
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- CN218782403U CN218782403U CN202222709102.3U CN202222709102U CN218782403U CN 218782403 U CN218782403 U CN 218782403U CN 202222709102 U CN202222709102 U CN 202222709102U CN 218782403 U CN218782403 U CN 218782403U
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Abstract
The application discloses novel passive RCS reinforcing apparatus structure behind unmanned aerial vehicle, unmanned aerial vehicle organism top afterbody are provided with the organism protruding object, and the radome fairing is hugged closely and installs at organism protruding object rear, and passive radar scattering reinforcing apparatus is installed at inside rear of radome fairing. The fairing comprises a front fairing and a rear fairing, the front fairing is located behind the body protrusion and is installed in a clinging mode, the front side of the rear fairing is in butt joint with the rear side of the front fairing, and the passive radar scattering enhancement device is installed behind the inner portion of the rear fairing. The fine demand that has satisfied units such as present stage army, scientific research institute to the simulation of unmanned aerial vehicle backward radar scattering characteristic of this application, and simple structure, easy dismounting, low cost, and the commonality is good, can realize multiple appearance unmanned aerial vehicle's adaptation, will have extensive application, popularization prospect in the future.
Description
Technical Field
The utility model belongs to the technical field of unmanned aerial vehicle structural design, especially, relate to a novel passive RCS reinforcing behind unmanned aerial vehicle device structure.
Background
Small-size target type unmanned aerial vehicle product, because the size is less, its radar scattering area is also very little often, need install radar scattering area reinforcing means additional in order to strengthen its radar scattering target characteristic usually, realizes the accurate simulation to aerial target. The passive radar scattering area enhancing device has the advantages of simple principle, reliable performance, convenient arrangement and the like, and is widely applied to the aspect of characteristic simulation.
At present, the radar scattering characteristic requirements of most target unmanned aerial vehicle products are often in the forward direction or the middle part of the unmanned aerial vehicle. For passive radar scatter enhancement devices, it is often necessary to arrange the luneberg ball (or other device such as a corner reflector) at the drone head, mid-fuselage or wing. Except for the passive arrangement of the radar scattering enhancement device at the wing, the radar scattering enhancement device is often arranged inside the fuselage shell to avoid influencing the aerodynamic performance of the unmanned aerial vehicle. The prior art generally installs the radar scattering enhancement device on the head or the wing of an airplane, so that the radar scattering area can not cover the tail of the airplane body.
With the updating of radar scattering characteristic simulation requirements of military and scientific research institutes, requirements are gradually provided for the backward radar scattering characteristics of unmanned aerial vehicles at present, and the demand quantity is gradually increased due to the deepening and the promotion of future research. This application arranges unmanned aerial vehicle back fuselage surface with longbo ball (or other passive radar scattering characteristic reinforcing means such as corner reflector), is located fuselage gib block rear direction of flow, and its appearance carries out integration with the organism gib block and fuses the design to furthest's reduction external installation is to the influence of unmanned aerial vehicle aerodynamic characteristics. This application is as a backward passive radar scattering characteristic reinforcing means structure, and unmanned aerial vehicle product of the same kind does not have similar additional installation design at present temporarily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel passive radar scattering reinforcing device structure behind unmanned aerial vehicle, on the basis of original unmanned aerial vehicle appearance, realize installing the purpose of passive radar scattering reinforcing device (dragon Bo ball, corner reflector etc.) additional at unmanned aerial vehicle afterbody through this structure, solved prior art and installed radar scattering reinforcing device on the head of aircraft or wing usually, leaded to the problem that the unable organism afterbody that covers of radar scattering area, reinforcing unmanned aerial vehicle rear direction radar scattering characteristic's demand.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel passive RCS reinforcing apparatus structure behind unmanned aerial vehicle, afterbody is provided with the organism protruding thing behind the unmanned aerial vehicle organism top, and the fairing is hugged closely and installs at organism protruding thing rear, and passive radar scattering reinforcing apparatus is installed at the fairing rear.
Further, the passive radar scatter enhancing device is a luneberg ball or a corner reflector.
Furthermore, the fairing comprises a front fairing and a rear fairing, the front fairing is arranged behind the machine body protrusion and is installed in a clinging mode, the front side of the rear fairing is in butt joint with the rear side of the front fairing, and the passive radar scattering enhancing device is installed behind the rear fairing.
Further, the turn-ups of preceding radome fairing and back radome fairing and unmanned aerial vehicle organism are through riveting, gluing or screw fastening assembly.
Further, the front fairing and the rear fairing are connected through a fastening device, and the fastening device is riveted, glued or screwed.
Furthermore, a plurality of support frames are arranged inside the rear fairing, and the rear fairing and the support frames are assembled through riveting, gluing or screw fastening.
Further, scribble thermal insulation material between unmanned aerial vehicle organism afterbody casing and the passive radar scattering reinforcing means.
Further, the outer envelope dimension of the passive radar scattering enhancing device is not less than 100mm in diameter.
Further, the radome appearance fuses the design with unmanned aerial vehicle organism integration, and passive radar scattering reinforcing apparatus is installed along the air current direction.
Further, the support frame is made of metal, composite material or wood.
Compared with the prior art, the beneficial effects of the utility model are that: the application discloses novel passive RCS reinforcing apparatus structure behind unmanned aerial vehicle to satisfy the demand that increases set unmanned aerial vehicle backward radar scattering characteristic. Along with army, scientific research institute to the update of unmanned aerial vehicle radar scattering characteristic demand, in the future, unmanned aerial vehicle backward radar scattering characteristic demand will increase year by year, and this device has satisfied the demand of units such as army, scientific research institute to the simulation of unmanned aerial vehicle backward radar scattering characteristic at present stage well, and simple structure, easy dismounting, low cost, and the commonality is good, can realize multiple appearance unmanned aerial vehicle's adaptation, will have extensive application, popularization prospect in the future.
To more clearly illustrate the functional characteristics and structural parameters of the present invention, the following description is further provided with reference to the accompanying drawings and the detailed description.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is an overall view of a novel unmanned aerial vehicle backward passive RCS reinforcing device;
FIG. 2 is a schematic view of a fairing profile;
fig. 3 is an embodiment of a novel unmanned aerial vehicle backward passive RCS booster structure;
fig. 4 is an assembly schematic diagram of one embodiment of a novel unmanned aerial vehicle backward passive RCS booster structure;
the reference numbers in the figures are: 1, unmanned aerial vehicle body; 2, a fairing; 2.1 front fairing; 2.2 rear fairing; 3 passive RCS booster device; 4 machine body protrusions; 5, supporting a frame; 6, insulating material; 7 fastening means.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-3, an organism projection 4 is arranged at the rear end above an unmanned aerial vehicle organism 1, a fairing 2 is closely mounted behind the organism projection 4, and a passive radar scattering enhancement device 3 is mounted behind the fairing 2. The fairing 2 is arranged behind the body protrusion 4 and is divided into a front fairing 2.1 and a rear fairing 2.2, the front fairing 2.1 and the rear fairing 2.2 are connected through a fastening device 7, and the fastening device 7 can be riveted, glued, screwed and the like. The fairing 2 is manufactured by molding, the front fairing 2.1 and the engine body are arranged behind the projection 4 of the engine body and closely mounted, a glue layer is filled in a mounting gap, and the flanging of the front fairing and the engine body are assembled by riveting, gluing or fastening screws so as to reduce aerodynamic resistance. Three support frames 5 (the number of which can be adjusted) are arranged in the rear fairing 2.2 and are assembled by riveting, gluing or screw fastening. A passive radar scattering enhancing device 3 (a luneberg ball, a corner reflector, etc.) is mounted behind the rear fairing 2.2. The front side of the rear fairing 2.2 is in butt joint with the rear side of the front fairing 2.1, the flanging is in butt joint with the engine body, and the assembly is carried out through riveting, gluing or screw fastening. And the heat insulation material 6 is coated at the position close to the passive radar scattering enhancement device 3 on the tail shell of the machine body to carry out heat protection on the tail shell of the machine body.
Specifically, in this embodiment, the fairing 2 is a rigid main body of the structure, is an installation platform of the passive radar scattering enhancement device 3, and is located at the rear tail of the unmanned aerial vehicle body 1, behind the body projection 4, and has an appearance integrally fused with the body; the body projection 4 is an air inlet of the unmanned aerial vehicle; the support frame 5 plays a role of rigid support; the heat insulation material 6 plays a role in heat protection for the passive radar scattering enhancement device 3, and can be coated on the contact part between the tail shell of the machine body and the passive radar scattering enhancement device by using a coating material; the fastening means 7 are used to assemble the fairing 1 to the fuselage shell, and may be implemented by standard parts such as screws, rivets, or by gluing.
As shown in fig. 3, the arc-shaped projection on the front fairing 2.1 in fig. 3 is a drone antenna.
As shown in fig. 4, fig. 4 is an assembly diagram of the embodiment, which specifically includes the following steps:
step A, the front fairing 2.1 is tightly attached to the rear side of the body protrusion 4 and sealed by filling glue in the gap, and the flanging is connected with the body through screws or can be replaced by connection modes such as riveting, gluing and the like;
b, mounting the passive radar scattering enhancement device 3 behind the rear fairing 2.2;
step C, mounting the three support frames 5 at proper positions in the rear fairing 2.2, and assembling through gluing, riveting or screw fastening, wherein the number and the positions of the support frames 5 can be properly adjusted according to the strength, the size and the like of the fairing;
and D, connecting the front fairing 2.1 and the rear fairing 2.2 through a fastening device 7, wherein the fastening device 7 can be riveted, glued, screwed and the like, and a heat insulation material 6 is pasted above the tail cover of the unmanned aerial vehicle.
After the installation is accomplished, if there is not radar scattering characteristic demand, can dismantle back radome fairing 2.2 together with passive radar scattering reinforcing means 3, realize that unmanned aerial vehicle state restores.
Example 2
The afterbody sets up organism convex object 4 behind 1 top of unmanned aerial vehicle organism, and 4 backs are hugged closely and are installed radome fairing 2 in organism convex object, and passive radar scattering reinforcing means 3 is installed at 2 inside backs of radome fairing. The cowling 2 is assembled and disassembled as a whole without being segmented in the front and rear direction.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a novel unmanned aerial vehicle backward passive RCS reinforcing means structure, its characterized in that, unmanned aerial vehicle organism (1) top back afterbody is provided with organism protruding object (4), organism protruding object (4) rear is hugged closely and is installed radome fairing (2), passive radar scattering reinforcing means (3) are installed to radome fairing (2) inside rear.
2. A novel drone backward passive RCS booster structure as claimed in claim 1, characterized by the passive radar scattering booster (3) being a luneberg ball or a corner reflector.
3. The novel unmanned aerial vehicle backward passive RCS reinforcing device structure of claim 1, characterized in that, said radome fairing (2) includes a front radome fairing (2.1) and a rear radome fairing (2.2), said front radome fairing (2.1) is closely mounted behind the body protrusion (4), said rear radome fairing (2.2) front side is butt jointed with front radome fairing (2.1) rear side, said passive radar scattering reinforcing device (3) is mounted behind rear radome fairing (2.2).
4. The novel unmanned aerial vehicle backward direction passive RCS reinforcing apparatus structure of claim 3, characterized in that, the turn-ups of preceding radome fairing (2.1) and back radome fairing (2.2) and unmanned aerial vehicle organism (1) are through riveting, gluing or screw fastening assemble.
5. A novel unmanned aerial vehicle backward direction passive RCS reinforcing apparatus structure of claim 3, characterized in that, connect through fastener (7) between preceding radome fairing (2.1) and back radome fairing (2.2), fastener (7) are riveting, gluing or screw.
6. A novel unmanned aerial vehicle rear direction passive RCS reinforcing apparatus structure according to claim 3, characterized in that, the inside of back radome fairing (2.2) is provided with several support frames (5), back radome fairing (2.2) and support frame (5) are through riveting, gluing or screw fastening assemble.
7. The novel unmanned aerial vehicle backward passive RCS reinforcing apparatus structure of claim 1, characterized in that, the unmanned aerial vehicle body (1) tail shell and the passive radar scattering reinforcing apparatus (3) between coated with thermal insulation material (6).
8. A novel drone backward passive RCS booster structure according to claim 1, characterized by the fact that the passive radar scattering booster (3) has an outer envelope size not less than 100mm diameter.
9. The novel unmanned aerial vehicle backward passive RCS reinforcing device structure as claimed in claim 1, wherein the fairing (2) and passive radar scattering reinforcing device (3) are integrated with the unmanned aerial vehicle body (1) to form a fusion design, and the passive radar scattering reinforcing device (3) is installed along the air flow direction.
10. A novel unmanned aerial vehicle rear-facing passive RCS reinforcement device structure according to claim 6, characterized in that, the support frame (5) is made of metal, composite material or wood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709102.3U CN218782403U (en) | 2022-10-14 | 2022-10-14 | Novel unmanned aerial vehicle backward passive RCS reinforcing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709102.3U CN218782403U (en) | 2022-10-14 | 2022-10-14 | Novel unmanned aerial vehicle backward passive RCS reinforcing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218782403U true CN218782403U (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222709102.3U Active CN218782403U (en) | 2022-10-14 | 2022-10-14 | Novel unmanned aerial vehicle backward passive RCS reinforcing device |
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| Country | Link |
|---|---|
| CN (1) | CN218782403U (en) |
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2022
- 2022-10-14 CN CN202222709102.3U patent/CN218782403U/en active Active
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