Aircraft mounting interference system

Abstract

The utility model relates to an aircraft mounting interference system, and belongs to the technical field of airborne interference systems. In order to overcome the defects that an existing interference system is poor in heat dissipation and high in cost and can only be located in the aircraft, the aircraft mounting interference system comprises an externally-hung jammer mounted on the outer side of the aircraft, and an angle-adjustable interference antenna is installed below the externally-hung jammer; the interference system can carry out real-time interference on the radar, and is compact in structure, good in heat dissipation characteristic and easy to carry and carry; installation and debugging are convenient, and maintainability is good; and the processing cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of aircraft-mounted jamming system, belong to airborne jamming system technical field. BACKGROUND

[0002] Most of the airborne jamming systems in the industry are placed inside the cabin, such as the patent with publication number CN210490894U, which discloses a structure of an airborne jamming system, including a jammer device and an antenna system device. The antenna system device is installed on the jammer device and can rotate around the jammer device and be positioned. The utility model installs the antenna system device and the jammer device together, saving the internal space of the aircraft nose. The jamming system is installed inside the aircraft nose. With the rapid development of the aircraft industry and the increasing complexity of jamming requirements, aircraft-mounted jamming systems are being used more and more widely. Due to the complexity of jamming, the size of the internal components is large, and the heat dissipation requirement is high, which leads to an increasing demand for aircraft load capacity. Therefore, there are new challenges for the structure size and position layout of airborne jamming systems. The jamming system not only needs to be miniaturized, but also needs to be lightweight and easy to carry. The components with high heat generation in the jamming system are power amplifier components and digital frequency storage components, especially in full-power working state. The structure size and heat dissipation requirement of these two components are very high. According to the actual market demand, it is particularly important to design a structure that meets the requirements of small size, light weight, easy portability, good mounting, and good heat dissipation performance for aircraft-mounted jamming systems.

[0003] Most of the airborne jamming systems of today's aircraft adopt standard instrument style design, which cannot meet the demand of large heat dissipation, and also increases the cost of the aircraft. In order to improve the existing situation, it is particularly urgent to develop a new structure that is compact and meets the high requirements of large power and heat dissipation. SUMMARY

[0004] The utility model aims at solving the problems of poor heat dissipation, high cost and being located inside the aircraft of the existing jamming system, and provides an aircraft-mounted jamming system. The jamming system can perform real-time jamming on radar, has a compact structure, good heat dissipation characteristics, is easy to carry and mount, is convenient to install and debug, has good maintainability, has low processing cost and is suitable for mass production.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An aircraft jamming system, characterized in that it comprises an external jammer mounted on the outside of the aircraft, and an angle-adjustable jamming antenna installed below the external jammer.

[0007] Preferably, the jamming antenna is a C-band jamming antenna or an S-band jamming antenna.

[0008] Preferably, the one side of the external jammer is provided with an adjustable jamming antenna fixing device, the adjustable jamming antenna fixing device comprises a mounting plate A mounted below the external jammer, a U-shaped mounting rack is fixedly mounted below the mounting plate A, interference antenna mounting plates A are mounted on the inner sides of the two horizontal plates of the U-shaped mounting rack, an interference antenna mounting plate B is fixedly mounted between the two interference antenna mounting plates A, and interference antennas are fixedly mounted below the interference antenna mounting plate B.

[0009] Preferably, the two horizontal plates of the U-shaped mounting rack are provided with arc-shaped long holes and bolt holes A, each interference antenna mounting plate A is provided with bolt holes B and C matched with the arc-shaped long holes and the bolt holes A respectively, and the arc-shaped long holes and the bolt holes B and the bolt holes A and the bolt holes C are connected through bolts.

[0010] Preferably, the interference antenna mounting plate B comprises a circular interference antenna mounting disc, a plurality of interference antenna mounting holes are uniformly distributed on the circular interference antenna mounting disc, and two mounting plate B mounting interference antenna mounting plate A are spaced apart and protrude above the circular interference antenna mounting disc.

[0011] Preferably, the external jammer comprises a case, and at least two mounting lugs mounted on the outer side of the aircraft are arranged on the front and rear panels of the case.

[0012] Preferably, the case comprises a case frame, the case frame is mounted on a case bottom plate, a top plate is mounted above the case frame, front and rear panels and left and right end faces are respectively mounted on the case frame between the case bottom plate and the top plate; the front and rear panels, the left and right end faces and the top plate can be separately mounted and detached, which is convenient for maintenance and replacement of the internal structure.

[0013] Preferably, the case frame adopts a spliced structure and is formed by splicing a plurality of cross beams, longitudinal beams and vertical beams, the cross beams, the longitudinal beams and the vertical beams are aluminum beams and have hollow structures, and reinforcing ribs are arranged between the cross beams, the longitudinal beams and the vertical beams.

[0014] Preferably, a data transmission module antenna, a GPS antenna and a WIFI antenna are arranged on the left end face of the case away from the interference antennas.

[0015] Preferably, a digital frequency storage component is fixedly mounted on the case bottom plate of the case, a cross beam is mounted between the front and rear panels inside the case, a power amplifier component is mounted on the cross beam, the digital frequency storage component and the power amplifier component are oppositely mounted with heat dissipation teeth, a heat dissipation fan bracket is mounted inside the end face of the case close to the interference antennas, a heat dissipation fan is mounted on the heat dissipation fan bracket, and an internal air duct is formed between the heat dissipation fan bracket, the cross beam and the case bottom plate, and the internal air duct concentrates the air volume of the heat dissipation fan to the heat dissipation teeth of the digital frequency storage component and the power amplifier component.

[0016] Preferably, a transceiver assembly mounting plate is mounted between the upper part of the power amplifier assembly and the front and rear panels inside the cabinet, and a transceiver assembly or a receiving amplifier and two filters are mounted on the transceiver assembly mounting plate.

[0017] Preferably, a module mounting plate is arranged above the transceiver assembly mounting plate, and a data transmission module and an optoelectronic module are mounted on the module mounting plate.

[0018] The interference system of the utility model, the digital frequency storage assembly, the power amplifier assembly, the transceiver assembly, the data transmission module and the optoelectronic module are fixed compactly inside the cabinet; the five panels of the cabinet can be disassembled individually, which is convenient for maintenance and module replacement; the embedded panel mounting form makes the overall structure beautiful; the panel is made of non-metallic material, which reduces the total weight of the product.

[0019] The cabinet frame adopts a spliced structure design, which ensures the stability and reliability of the main structure and reduces the weight; the non-welding processing greatly shortens the processing cost and period; the material is easy to purchase, and the production and processing are simple, convenient and fast;

[0020] The heat dissipation teeth of the digital frequency storage assembly and the power amplifier assembly are oppositely mounted, and the internal air duct concentrates the air volume of the fan to the heat dissipation teeth of the digital frequency storage assembly and the power amplifier assembly, which saves space and effectively dissipates heat, ensuring the miniaturization of the overall structure.

[0021] The adjustable antenna fixing device is composed of a plurality of hollow mounting plates, which realizes the function and ensures the weight limit, and has simple structure and low processing cost. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a perspective view of the embodiment 1;

[0023] Figure 2 It is another angle view of the embodiment 1; Figure 1

[0024] It is a front view of the embodiment 1; Figure 3 Figure 1 It is a bottom view of the embodiment 1;

[0025] Figure 4 Figure 1 It is an A-A sectional view of the embodiment 1;

[0026] Figure 5 It is an exploded view of the embodiment 1; Figure 4

[0027] It is a perspective view of the embodiment 2; Figure 6

[0028] It is another angle view of the embodiment 2; Figure 7

[0029] It is a front view of the embodiment 2.​​Figure 8 for Figure 7 Full sectional view;

[0030] Figure 9 for Figure 7 Exploded view;

[0031] Figure 10 This is a schematic diagram of the structure of the interference antenna mounting plate B;

[0032] In the diagram: 1. External jammer; 2. Jamming antenna; 3. Adjustable jamming antenna mounting device; 4. Data transmission module antenna; 5. GPS antenna; 6. WIFI antenna; 7. Digital frequency storage component; 8. Power amplifier component; 9. Cooling fan; 10. Transceiver component; 11. Chassis; 12. Front and rear panels; 13. Mounting ears; 14. Chassis frame; 15. Chassis bottom plate; 16. Top plate; 17. Left and right end faces; 18. Crossbeam; 19. Cooling fan bracket; 20. Internal air duct; 21. Transceiver component mounting plate; 22. Module mounting plate; 23. Data transmission module; 24. Optoelectronic module; 25. Mounting plate A; 26. U-shaped mounting bracket; 27. Jamming antenna mounting plate A; 28. Jamming antenna mounting plate B; 281. Circular jamming antenna mounting plate; 282. Jamming antenna mounting hole. 283. Mounting plate B, 29. Arc-shaped elongated hole, 30. Bolt hole A, 31. Bolt hole B, 32. Bolt hole C, 33. Receiver amplifier, 34. Filter. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments of the present utility model. All other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present utility model.

[0034] Example 1. As... Figures 1-6 The aircraft-mounted jamming system shown is an aircraft-mounted C-band jamming system, including an external jammer 1 mounted on the outside of the aircraft, and an angle-adjustable C-band jamming antenna 2 installed below the external jammer 1.

[0035] The C-band adjustable jamming antenna fixing device 3 is installed below the external jamming machine, the U-shaped mounting frame 26 is fixedly installed below the mounting plate A25, the inner sides of the two horizontal plates of the U-shaped mounting frame 26 are both provided with the jamming antenna mounting plate A27, the jamming antenna mounting plate B28 is fixedly installed between the two jamming antenna mounting plates A27, and the C-band jamming antenna 2 is fixedly installed below the jamming antenna mounting plate B28.

[0036] The arc-shaped long hole 29 and the bolt hole A 30 are arranged on the two horizontal plates of the U-shaped mounting frame 26, each jamming antenna mounting plate A27 is provided with the bolt hole B31 and the bolt hole C32 matched with the arc-shaped long hole 29 and the bolt hole A 30 respectively, and the arc-shaped long hole 29 and the bolt hole B31 and the bolt hole A 30 and the bolt hole C32 are connected through bolts.

[0037] The jamming antenna mounting plate B28 comprises a circular jamming antenna mounting disc 281, a plurality of jamming antenna mounting holes 282 are uniformly distributed on the circular jamming antenna mounting disc, and two mounting plate B283 mounting the jamming antenna mounting plate A27 are spaced apart and protrude above the circular jamming antenna mounting disc 281.

[0038] The jamming antenna mounting plate A27 can rotate around the bolt hole A 30, when the bolt is installed at the lowermost side of the arc-shaped long hole 29, the jamming antenna mounting plate A27 is inclined downward, the jamming antenna mounting plate B28 is driven to be inclined downward, and the jamming antenna 2 is driven to be inclined downward, at this time, the jamming antenna 2 is inclined downward by 45°; when the bolt is installed at the uppermost side of the arc-shaped long hole 29, the jamming antenna mounting plate A27 is inclined upward, the jamming antenna mounting plate B28 is driven to be inclined upward, and the jamming antenna 2 is driven to be inclined upward, at this time, the jamming antenna 2 is inclined upward by 45°, so that the jamming antenna 2 is inclined by ±45°;

[0039] The jamming antenna 2 is installed in different holes of the jamming antenna mounting plate B28, and the polarization direction of 0, 45 and 90 degrees can be adjusted.

[0040] The C-band jamming antenna 2 is a circular truncated cone antenna.

[0041] The external jamming machine 1 comprises a machine box 11, and at least two mounting ears 13 mounted on the outer side of the aircraft are arranged on the front and rear panels 12 of the machine box 11.

[0042] The cabinet 11 comprises a cabinet frame 14 mounted on a cabinet bottom plate 15, a top plate 16 mounted above the cabinet frame 14, and front and rear panels 12 and left and right end faces 17 respectively mounted on the cabinet frame between the cabinet bottom plate 15 and the top plate 16; the front and rear panels 12, the left and right end faces 17 and the top plate 16 can be separately mounted and detached, facilitating maintenance and replacement of the internal structure;

[0043] The cabinet frame 14 is of a spliced structure and is formed by splicing a plurality of cross beams, longitudinal beams and vertical beams, the cross beams, the longitudinal beams and the vertical beams are all aluminum beams and have hollow structures, and reinforcing ribs are arranged between the cross beams, the longitudinal beams and the vertical beams;

[0044] The left end face of the cabinet away from the C-band interference antenna is provided with a data transmission module antenna 4, a GPS antenna 5 and a WIFI antenna 6;

[0045] The cabinet bottom plate 15 of the cabinet 11 is fixedly provided with a digital frequency storage component 7, the front and rear panels inside the cabinet 11 are provided with a cross beam 18, the cross beam 18 is provided with a power amplifier component 8, the digital frequency storage component 7 and the power amplifier component 8 are oppositely provided with cooling teeth, a cooling fan bracket 19 is arranged inside the end face of the cabinet close to the interference antenna, a cooling fan 9 is arranged on the cooling fan bracket 19, an internal air duct 20 is formed between the cooling fan bracket 19, the cross beam 18 and the cabinet bottom plate 15, and the internal air duct 20 concentrates the cooling fan air volume to the cooling teeth of the digital frequency storage component 7 and the power amplifier component 8, thereby saving space, effectively cooling and ensuring the miniaturization of the overall structure;

[0046] The top of the power amplifier component 8 and the front and rear panels inside the cabinet 11 are provided with a transceiver component mounting plate 21, and the transceiver component mounting plate 21 is provided with a transceiver component 10;

[0047] The top of the transceiver component mounting plate 21 is provided with a module mounting plate 22, and the module mounting plate 22 is provided with a data transmission module 23 and an optoelectronic module 24;

[0048] Embodiment 2. The aircraft-mounted interference system of the embodiment is an aircraft S-band interference system, as shown in Figures 7 to 9 The difference between the structure of the embodiment and the structure of Embodiment 1 is that the interference antenna 2 is an S-band interference antenna, and the transceiver component mounting plate 21 is provided with a receiving amplifier 33 and two filters 34.

[0049] It should be explained finally: above only is the preferred embodiment of the utility model and is not used for limiting the utility model, although the utility model has been explained in detail with reference to foregoing embodiment, for the skilled person in the art, it still can modify the technical scheme recorded in foregoing each embodiment or make equivalent replacement to part technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. An aircraft-mounted jamming system, characterized by: The application relates to an external jammer (1) mounted on the outside of an aircraft, wherein an angle-adjustable jamming antenna (2) is arranged below the external jammer (1). An adjustable jamming antenna fixing device (3) is arranged below one side of the external jammer (1), wherein the adjustable jamming antenna fixing device (3) comprises a mounting plate A (25) arranged below the external jammer, a U-shaped mounting rack (26) fixedly arranged below the mounting plate A (25), jamming antenna mounting plates A (27) arranged on the inner sides of the two horizontal plates of the U-shaped mounting rack (26), a jamming antenna mounting plate B (28) fixedly arranged between the two jamming antenna mounting plates A (27), and a jamming antenna (2) fixedly arranged below the jamming antenna mounting plate B (28).

2. An aircraft-mounted jamming system as in claim 1, wherein: The jamming antenna (2) is a C-band jamming antenna or an S-band jamming antenna.

3. An aircraft-mounted jamming system as claimed in claim 1 or 2, characterised in that: Arc-shaped long holes (29) and bolt holes A (30) are formed in the two horizontal plates of the U-shaped mounting rack (26), each jamming antenna mounting plate A (27) is provided with bolt holes B (31) and bolt holes C (32) matched with the arc-shaped long holes (29) and the bolt holes A (30) respectively, and the arc-shaped long holes (29) and the bolt holes B (31) and the bolt holes A (30) and the bolt holes C (32) are connected through bolts.

4. An aircraft-mounted jamming system as in claim 3, wherein: The jamming antenna mounting plate B (28) comprises a circular jamming antenna mounting disc (281) which is uniformly provided with a plurality of jamming antenna mounting holes (282), and two mounting plate B (283) mounting the jamming antenna mounting plates A (27) are arranged on the upper side of the circular jamming antenna mounting disc (281) in a spaced mode.

5. An aircraft-mounted jamming system as in claim 4, wherein: The external jammer (1) comprises a case (11), and at least two mounting ears (13) mounted on the outside of an aircraft are arranged on the front and rear panels (12) of the case (11).

6. An aircraft-mounted jamming system as in claim 5, wherein: The case (11) comprises a case frame (14) mounted on a case bottom plate (15), a top plate (16) mounted above the case frame (14), and front and rear panels (12) and left and right end faces (17) respectively arranged on the case frame between the case bottom plate (15) and the top plate (16); the front and rear panels (12), the left and right end faces (17) and the top plate (16) can be separately mounted and detached. The case frame (14) adopts a spliced structure and is formed by a plurality of cross beams, longitudinal beams and vertical beams which are connected in a lap joint mode, the cross beams, the longitudinal beams and the vertical beams are all aluminum beams and are provided with hollow structures, and reinforcing ribs are arranged between the cross beams, the longitudinal beams and the vertical beams.

7. An aircraft-mounted jamming system as in claim 6, wherein: A data transmission module antenna (4), a GPS antenna (5) and a WIFI antenna (6) are arranged on the left end face of the case away from the jamming antenna.

8. An aircraft-mounted jamming system as in claim 7, wherein: The chassis (11) is fixedly installed with a digital frequency storage component (7) on a chassis bottom plate (15), a crossbeam (18) is installed between the front and rear panels inside the chassis (11), a power amplifier component (8) is installed on the crossbeam (18), the digital frequency storage component (7) and the power amplifier component (8) are oppositely installed with radiating teeth, a radiating fan bracket (19) is installed inside the end face of the end of the chassis close to the interference antenna, a radiating fan (9) is installed on the radiating fan bracket (19), the radiating fan bracket (19), the crossbeam (18) and the chassis bottom plate (15) form an internal air duct (20), and the internal air duct (20) concentrates the air volume of the radiating fan to guide the radiating teeth of the digital frequency storage component (7) and the power amplifier component (8).

9. An aircraft-mounted jamming system as in claim 8, wherein: A transceiving component mounting plate (21) is installed between the front and rear panels inside the chassis (11) above the power amplifier component (8), a transceiving component (10) or a receiving amplifier (33) and two filters (34) are installed on the transceiving component mounting plate (21); a module mounting plate (22) is arranged above the transceiving component mounting plate (21), and a data transmission module (23) and an optoelectronic module (24) are installed on the module mounting plate (22).

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