Anti-SAR (Synthetic Aperture Radar) device

Abstract

The utility model provides an anti-SAR (Synthetic Aperture Radar) device which is applied to the technical field of electronic countermeasures. The device comprises a tray, a plurality of supports are fixedly installed on the tray, and the supports are distributed around the central axis of the tray in a circumferential array mode. The support is fixedly provided with a horizontal polarization horn, a vertical polarization horn and an oblique polarization horn. The horizontal polarization horn comprises a first installation seat, a first feed head is fixedly installed at the side end of the first installation seat, and a first fixing plate is fixedly installed at the other side end of the first installation seat; a first connecting plate is fixedly mounted at the top end of the side end, fixedly provided with the first feed head, of the first mounting seat, and a first ridge plate is fixedly mounted on the first connecting plate. In this way, the interference efficiency of the anti-SAR device can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic countermeasures, in particular to an anti-SAR device. Background Art

[0002] The anti-synthetic aperture radar (SAR) device is used to detect, identify and interfere with the SAR system used by the enemy. The SAR system can achieve high-resolution imaging of surface targets in military reconnaissance. However, the use of SAR by the enemy for reconnaissance may pose a threat to our side. Therefore, the emergence of the anti-SAR device can effectively counter the enemy's reconnaissance operations. By identifying and interfering with the signals of the enemy's SAR system, the anti-SAR device can reduce the enemy's ability to observe our activities, enhance our concealment and security; the deployment of the anti-SAR device can effectively protect sensitive areas, prevent the enemy from using the SAR system to obtain detailed information about them, and contribute to maintaining national security and preventing the enemy from reconnaissance and surveillance of sensitive targets; by deploying the anti-SAR device, the enemy's reconnaissance and surveillance capabilities against our side can be reduced, the concealment and survivability of our side on the battlefield can be increased, which helps to reduce the exposure risk of our side under the enemy's SAR reconnaissance, and improve the combat effectiveness and survival rate; by timely identifying and interfering with the enemy's SAR system, our side can adjust the combat plan and action plan according to the enemy situation at any time, effectively respond to the enemy's reconnaissance and surveillance operations, which helps to improve our adaptability and responsiveness on the battlefield, and enhance the combat effectiveness and tactical advantages.

[0003] Currently, in the existing anti-SAR devices, only single antennas or single polarizations are relied on for interference, and the interference efficiency by increasing the number of antennas and polarizations is relatively low, which cannot meet the actual needs. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an anti-SAR device in order to solve the above problems.

[0005] The utility model realizes the above purpose through the following technical solutions:

[0006] An anti-SAR device, comprising:

[0007] A tray (1), wherein a plurality of brackets (2) are fixedly installed on the tray (1), and each of the brackets (2) is distributed in a circumferential array around the central axis of the tray (1); a horizontally polarized horn (3), a vertically polarized horn (4) and an obliquely polarized horn (5) are fixedly installed on the bracket (2);

[0008] Among them, the horizontally polarized horn (3) includes: a first mounting base (31), a first feed head (32) fixedly installed on the side end of the first mounting base (31), and a first fixing plate (33) fixedly installed on the other side end of the first mounting base (31); at the top of the side end of the first mounting base (31) where the first feed head (32) is fixedly installed, a first connecting plate (34) is fixedly installed, and a first ridge plate (35) is fixedly installed on the first connecting plate (34).

[0009] Further, the bracket (2) includes: a first support plate (21), the bottom end of the first support plate (21) is fixedly connected to the tray (1); the side end of the first support plate (21) is fixedly connected to the side end of the second support plate (22); the other side end of the second support plate (22) is fixedly connected to the third support plate (23); the second support plate (22) is provided with a first mounting hole (24) and a second mounting hole (25).

[0010] Further, the vertically polarized horn (4) includes: a second mounting base (41), a second feed head (42) fixedly installed on the side end of the second mounting base (41); the top end of the second mounting base (41) is fixedly connected to the bottom end of the second connecting plate (43); the second connecting plate (43) is provided with a second ridge plate (44); a second fixing plate (45) is fixedly installed on the side end of the second connecting plate (43).

[0011] Further, the obliquely polarized horn (5) includes: a third mounting base (51), a third feed head (52) fixedly installed on the side end of the third mounting base (51), an annular third fixing plate (53) fixedly installed on the outer wall of the top end of the third mounting base (51), the top end of the third mounting base (51) is fixedly connected to the bottom end of the third connecting plate (54); a third ridge plate (55) is fixedly installed on the third connecting plate (54).

[0012] Further: the first fixing plate (33) is fixedly connected to the third support plate (23) by bolts; the second fixing plate (45) is fixedly connected to the second support plate (22) by bolts; the third fixing plate (53) is fixedly connected to the second support plate (22) by bolts; and, the second mounting base (41) is installed in the second mounting hole (25); the third mounting base (51) is installed in the first mounting hole (24).

[0013] Further: the range of the angle between the second support plate (22) and the tray (1) is 50° - 60°.

[0014] Further: a round hole for connecting a radio frequency cable is provided at the middle position of the tray (1).

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. By arranging the brackets in a circumferential array around the central axis of the tray, the reception and interference of electromagnetic waves within a 360° range are achieved, improving the interference efficiency of the anti-SAR device;

[0017] 2. By fixedly installing a horizontally polarized horn, a vertically polarized horn, and an obliquely polarized horn on the brackets, the integration of three polarization modes, namely horizontal polarization, vertical polarization, and oblique polarization, is realized, thereby improving the interference efficiency of the anti-SAR device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It represents a top view of an anti-SAR device according to the present utility model;

[0020] Figure 2 It represents a side view of an anti-SAR device according to the present utility model;

[0021] Figure 3 It represents a three-dimensional view of a horizontally polarized horn of an anti-SAR device according to the present utility model;

[0022] Figure 4 It represents a front view of a horizontally polarized horn of an anti-SAR device according to the present utility model;

[0023] Figure 5 It represents a top view of a horizontally polarized horn of an anti-SAR device according to the present utility model;

[0024] Figure 6 It represents a bottom view of a horizontally polarized horn of an anti-SAR device according to the present utility model;

[0025] Figure 7 It represents a cross-sectional view of a horizontally polarized horn of an anti-SAR device according to the present utility model;

[0026] Figure 8 It represents a three-dimensional view of a vertically polarized horn of an anti-SAR device according to the present utility model;

[0027] Figure 9 It represents a front view of a vertically polarized horn of an anti-SAR device according to the present utility model;

[0028] Figure 10 Shows the top view of the vertical polarization horn of an anti-SAR device according to the present utility model;

[0029] Figure 11 Shows the bottom view of the vertical polarization horn of an anti-SAR device according to the present utility model;

[0030] Figure 12 Shows the cross-sectional view of the vertical polarization horn of an anti-SAR device according to the present utility model;

[0031] Figure 13 Shows the three-dimensional view of the oblique polarization horn of an anti-SAR device according to the present utility model;

[0032] Figure 14 Shows the front view of the oblique polarization horn of an anti-SAR device according to the present utility model;

[0033] Figure 15 Shows the top view of the oblique polarization horn of an anti-SAR device according to the present utility model;

[0034] Figure 16 Shows the bottom view of the oblique polarization horn of an anti-SAR device according to the present utility model;

[0035] Figure 17 Shows the cross-sectional view of the oblique polarization horn of an anti-SAR device according to the present utility model;

[0036] Figure 18 Shows the side view of the bracket of an anti-SAR device according to the present utility model;

[0037] Figure 19 Shows the front view of the bracket of an anti-SAR device according to the present utility model;

[0038] Explanation of reference numerals is as follows:

[0039] 1, tray; 2, bracket; 21, first support plate; 22, second support plate; 23, third support plate; 24, first mounting hole; 25, second mounting hole; 3, horizontal polarization horn; 31, first mounting seat; 32, first feed head; 33, first fixing plate; 34, first connecting plate; 35, first ridge plate; 4, vertical polarization horn; 41, second mounting seat; 42, second feed head; 43, second connecting plate; 44, second ridge plate; 45, second fixing plate; 5, oblique polarization horn; 51, third mounting seat; 52, third feed head; 53, third fixing plate; 54, third connecting plate; 55, third ridge plate. Detailed implementation manners

[0040] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "plurality" is two or more.

[0041] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. It may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0042] The present utility model will be further described below with reference to the drawings:

[0043] As Figures 1-19 shown, an anti-SAR device includes:

[0044] A tray 1, on which a plurality of brackets 2 are fixedly installed, and the brackets 2 are distributed in a circumferential array around the central axis of the tray 1; according to the embodiment of the present utility model, by distributing the brackets in a circumferential array around the central axis of the tray, the reception and interference of electromagnetic waves within a range of 360° are realized, and the interference efficiency of the anti-SAR device is improved; a horizontally polarized horn 3, a vertically polarized horn 4, and an obliquely polarized horn 5 are fixedly installed on the bracket 2; according to the embodiment of the present utility model, by fixedly installing a horizontally polarized horn, a vertically polarized horn, and an obliquely polarized horn on the bracket, the integration of three polarization modes of horizontal polarization, vertical polarization, and oblique polarization is realized, thereby improving the interference efficiency of the anti-SAR device.

[0045] Among them, the horizontally polarized horn 3 includes: a first mounting base 31, a first feed head 32 fixedly installed on the side end of the first mounting base 31, and a first fixing plate 33 fixedly installed on the other side end of the first mounting base 31; a first connecting plate 34 is fixedly installed at the top of the side end of the first mounting base 31 where the first feed head 32 is fixedly installed, and a first ridge plate 35 is fixedly installed on the first connecting plate 34.

[0046] In some embodiments, the brackets 2 are arranged in a circumferential array around the central axis of the tray 1 at intervals of 45°. According to the embodiments of the present invention, by arranging the brackets in a circumferential array around the central axis of the tray at intervals of 45°, it is ensured that the brackets are evenly distributed around the tray, which can maximize the use of the surface area of the tray and ensure that each bracket can fully contact the tray, thereby effectively supporting and stabilizing the object on the tray; the brackets are arranged at fixed intervals and angles, making the installation and maintenance processes more convenient. Operators can easily install and replace the brackets according to fixed rules without complex measurement and adjustment; the circumferential array distribution of the brackets can maximize the use of the space on the tray, making full use of the surface area of the tray, saving storage and transportation space, and improving the storage density and transportation efficiency of the object.

[0047] In some embodiments, the aperture surface of the horizontally polarized horn 3 has a length of 38 mm, a width of 30 mm, and an overall length of 51 mm.

[0048] In some embodiments, the aperture surface of the vertically polarized horn 4 has a length of 55 mm, a width of 44 mm, and an overall length of 69.5 mm.

[0049] In some embodiments, the aperture surface of the obliquely polarized horn 5 has a length of 35 mm, a width of 35 mm, and an overall length of 40 mm.

[0050] In some embodiments, the bracket 2 includes: a first support plate 21, the bottom end of the first support plate 21 is fixedly connected to the tray 1; the side end of the first support plate 21 is fixedly connected to the side end of the second support plate 22; the other side end of the second support plate 22 is fixedly connected to the third support plate 23; the second support plate 22 is provided with a first mounting hole 24 and a second mounting hole 25. According to the embodiments of the present invention, the bracket 2 is composed of the first support plate 21, the second support plate 22 and the third support plate 23, and they are fixedly connected to form a stable support structure. The bottom end of the first support plate 21 is fixedly connected to the tray 1, ensuring a firm connection between the bracket and the tray, thereby effectively supporting and stabilizing the objects on the tray; the components of the bracket (the first support plate, the second support plate, the third support plate) are fixedly connected to form a modular design, making the installation and maintenance of the bracket more convenient. The operator can replace or adjust individual components as needed without replacing the entire bracket; through the fixed connection between the first support plate 21, the second support plate 22 and the third support plate 23, the overall structure of the bracket is more stable, which can effectively reduce the shaking and deformation of the bracket during use, and improve the service life and stability of the bracket.

[0051] In some embodiments, the vertically polarized horn 4 includes: a second mounting base 41, a second feed head 42 is fixedly installed on the side end of the second mounting base 41; the top end of the second mounting base 41 is fixedly connected to the bottom end of the second connecting plate 43; the second connecting plate 43 is provided with a second ridge plate 44; a second fixing plate 45 is fixedly installed on the side end of the second connecting plate 43. According to the embodiments of the present invention, by using the second mounting base 41 as the support base of the vertically polarized horn 4, it has the function of fixing the second feed head 42, and can stably support the vertically polarized horn 4 to ensure its safe and reliable installation at the target position; the top end of the second mounting base 41 is fixedly connected to the bottom end of the second connecting plate 43, and this connection method can ensure a firm connection between the connecting plate and the mounting base, providing a stable support foundation, avoiding shaking or loosening during the installation process, and ensuring the stability of the vertically polarized horn 4

[0052] In some embodiments, the obliquely polarized horn 5 includes: a third mounting base 51, a third feed head 52 is fixedly installed on the side end of the third mounting base 51, an annular third fixing plate 53 is fixedly installed on the outer wall of the top end of the third mounting base 51, the top end of the third mounting base 51 is fixedly connected to the bottom end of the third connecting plate 54; a third ridge plate 55 is fixedly installed on the third connecting plate 54. According to the embodiments of the present invention, by fixedly installing an annular third fixing plate 53 on the outer wall of the top end of the third mounting base 51, it can provide a larger contact area, enhance the connection stability with the support structure, and effectively prevent the horn from shaking or loosening during use.

[0053] In some embodiments: The first fixing plate 33 is fixedly connected to the third support plate 23 by bolts; the second fixing plate 45 is fixedly connected to the second support plate 22 by bolts; the third fixing plate 53 is fixedly connected to the second support plate 22 by bolts; and, the second mounting seat 41 is installed in the second mounting hole 25; the third mounting seat 51 is installed in the first mounting hole 24. According to the embodiments of the present invention, by fixedly connecting the first fixing plate 33 to the third support plate 23 by bolts, and fixedly connecting the second fixing plate 45 and the third fixing plate 53 to the second support plate 22 by bolts, the firm connection between the various components of the bracket is ensured, improving the stability and load-bearing capacity of the overall structure; through bolt connection, it is convenient for disassembly and maintenance, and the operator can easily disassemble and replace the fixing plate and the mounting seat to adapt to different usage environments or replace damaged components, reducing the maintenance cost and time.

[0054] In some embodiments: The range of the angle between the second support plate 22 and the tray 1 is 50° to 60°.

[0055] In some embodiments: A round hole for connecting a radio frequency cable is provided at the middle position of the tray 1. According to the embodiments of the present invention, by providing a round hole at the middle position of the tray 1 specifically for connecting a radio frequency cable, the connection of the radio frequency cable is made more convenient. The operator can directly pass the radio frequency cable through the round hole and connect it to the equipment or other components below the tray 1 without additional processing or installation steps, improving the installation efficiency and operation convenience; the setting of the round hole can effectively fix the radio frequency cable, preventing it from loosening or shaking during use, reducing the swing of the cable during transportation or movement, and maintaining the stability and reliability of the cable; connecting the radio frequency cable through the round hole can avoid the cable being scattered around the equipment, reducing the risk of tripping over or damaging the cable, and contributing to maintaining the cleanliness and safety around the equipment.

[0056] The above has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. An anti-SAR device, comprising a tray (1), characterized in that: The tray (1) is fixedly mounted with a plurality of brackets (2), and the brackets (2) are distributed in a circular array around the central axis of the tray (1); the brackets (2) are fixedly mounted with a horizontally polarized loudspeaker (3), a vertically polarized loudspeaker (4) and an obliquely polarized loudspeaker (5); The horizontally polarized horn (3) comprises: a first mounting seat (31), a first feed head (32) being fixedly mounted on a side end of the first mounting seat (31), and a first fixing plate (33) being fixedly mounted on the other side end of the first mounting seat (31); a first connecting plate (34) being fixedly mounted on the top end of the side end of the first mounting seat (31) on which the first feed head (32) is fixedly mounted, and a first ridge plate (35) being fixedly mounted on the first connecting plate (34).

2. The anti-SAR device according to claim 1, characterized in that: The bracket (2) comprises: a first support plate (21), the bottom end of the first support plate (21) being fixedly connected to the tray (1); a side end of the first support plate (21) being fixedly connected to a side end of a second support plate (22); the other side end of the second support plate (22) being fixedly connected to a third support plate (23); and the second support plate (22) being provided with a first mounting hole (24) and a second mounting hole (25).

3. The anti-SAR device according to claim 2, characterized in that: The vertical polarization horn (4) comprises: a second mounting seat (41), a second feed head (42) being fixedly mounted on the side end of the second mounting seat (41); the top end of the second mounting seat (41) and the bottom end of the second connecting plate (43) being fixedly connected; the second connecting plate (43) being provided with a second ridge plate (44); and a second fixing plate (45) being fixedly mounted on the side end of the second connecting plate (43).

4. The anti-SAR device according to claim 3, characterized in that: The oblique polarization horn (5) comprises: a third mounting seat (51), a third feed head (52) is fixedly mounted on the side end of the third mounting seat (51), a third annular fixing plate (53) is fixedly mounted on the outer wall of the top end of the third mounting seat (51), the top end of the third mounting seat (51) and the bottom end of a third connecting plate (54) are fixedly connected; and a third ridge plate (55) is fixedly mounted on the third connecting plate (54).

5. The anti-SAR device according to claim 4, characterized in that: The first fixing plate (33) is fixedly connected to the third support plate (23) by bolts; the second fixing plate (45) is fixedly connected to the second support plate (22) by bolts; the third fixing plate (53) is fixedly connected to the second support plate (22) by bolts; and the second mounting seat (41) is mounted in the second mounting hole (25); and the third mounting seat (51) is mounted in the first mounting hole (24).

6. The anti-SAR device according to claim 5, characterized in that: The included angle between the second support plate (22) and the tray (1) is in the range of 50° to 60°.

7. The anti-SAR device according to claim 6, characterized in that: A circular hole for connecting a radio frequency cable is provided in the middle of the tray (1).

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