A multi-plane radar

Abstract

The application provides a multi-array radar, which comprises a base frame, a moving mechanism and at least one array structure; the moving mechanism is arranged in the base frame, and the output end of the moving mechanism is provided with the at least one array structure; each array structure comprises a first array and a second array, and the moving mechanism can control the unfolding and folding of the first array and the second array. Through the cooperation of the moving mechanism and the first array and the second array, the array on the radar can be unfolded and folded under different conditions, and a large array structure can be realized under the condition of not exceeding the width, so as to adapt to work and transportation.

Description

Technical Field

[0001] This invention relates to the field of phased array radar, specifically a multi-array radar. Background Technology

[0002] A radar detection system is a device that uses electromagnetic waves to detect the angle and distance of a target. It acquires target information by emitting detection electromagnetic waves and receiving the scattered echoes from the target.

[0003] With the increasing demand for low-altitude target early warning and detection, integrated detection systems combining radar, optoelectronic, and other multi-sensor fusion have become one of the optimal solutions for low-altitude target detection, tracking, and identification. During operation, both radar and optoelectronic equipment need to meet line-of-sight conditions with the target. To avoid mutual obstruction between devices, radar and optoelectronic equipment in integrated detection systems are often deployed in a stacked manner, i.e., the optoelectronic equipment is deployed on top of the phased array radar. In this deployment method, the phased array radar is responsible for long-range search, and the array feature size is required to be more than 3 meters. However, if the width limit is exceeded during transportation, it will affect the transportation of the radar system. Summary of the Invention

[0004] The technical problem to be solved by this invention is how to manufacture a multi-faceted radar that can be deployed or folded under different conditions.

[0005] The present invention solves the above-mentioned technical problems through the following technical means:

[0006] A multi-array radar includes a base frame, a moving mechanism, and at least one array structure (2); the base frame is provided with a moving mechanism, and the output end of the moving mechanism is provided with at least one array structure (2); each array structure (2) includes a first array (21) and a second array (22), and the moving mechanism can control the first array (21) and the second array (22) to unfold and retract.

[0007] Beneficial effects: Through the cooperation of the moving mechanism and the first and second arrays, the arrays on the radar can be deployed and folded in different situations to adapt to work and transportation.

[0008] Furthermore, when deployed, the first array (21) and the second array (22) can be controlled to become a plane by a moving mechanism; when retracted, the first array (21) and the second array (22) can be staggered by a moving mechanism, with the first array 21 being the large array and the second array 22 being the small array, with the first array (21) on the outside and the second array (22) on the inside.

[0009] Beneficial effects: Through the cooperation of the moving mechanism and the first and second arrays, a large array structure can be achieved without exceeding the width limit.

[0010] Furthermore, the base frame is a triangular frame (1), which includes an upper platform (11), a lower platform (12), and a second support column (14). The upper platform (11) and the lower platform (12) are arranged parallel to each other along the Z-axis. At least two second support columns (14) are provided and arranged symmetrically around the central axis of the upper and lower platforms. A first mounting seat (15) and a second mounting seat (15') are fixed between the second support columns (14) parallel to each other along the Z-axis.

[0011] Beneficial effects: With the setup of the upper platform, lower platform, and second pillar, the upper platform can support other equipment, and the second pillar can provide auxiliary support.

[0012] Furthermore, the triangular frame (1) also includes a first pillar (13), which is fixed at the three included angles of the upper and lower platforms.

[0013] Beneficial effects: The first pillar provides support and load-bearing capacity. The triangular frame is rigid and can not only support multiple array structures, but also provide a reliable and stable mounting surface for other equipment.

[0014] Furthermore, the array structure (2) also includes a first mounting frame (23) and a second mounting frame (24), on which the first mounting frame (23) and the second mounting frame (24) are respectively fixed on the side away from the center of the triangular frame (1) with the first array (21) and the second array (22).

[0015] Furthermore, the moving mechanism includes a transmission mechanism (4), which includes a motor (41), a lead screw (42), a first connecting rod (43), a second connecting rod (44), and a hinge column (45). The lead screw (42) is rotatably connected between the first mounting base (15) and the second mounting base (15'). The motor (41) is fixed below the second mounting base (15'), and the output end of the motor (41) passes through the second mounting base (15') and... The lead screw (42) is fixed; a hinged post (45) is sleeved on the lead screw (42), and the first connecting rod (43) and the second connecting rod (44) are sequentially hinged from bottom to top in the radial direction of the hinged post (45) to match the number of array structures (2). The end of the first connecting rod (43) away from the lead screw (42) is hinged to the first mounting frame (23), and the end of the second connecting rod (44) away from the lead screw (42) is hinged to the second mounting frame (24).

[0016] Beneficial effects: By arranging the transmission mechanism along the axial direction at the center of the frame, and connecting the transmission mechanism and the mounting frame through a linkage, the vertical linear motion of the transmission mechanism can be converted into the unfolding and retracting motion of the array surface.

[0017] Furthermore, the hinge column (45) is integrally fixed with three first hinge ears (451) and two second hinge ears (452) from bottom to top in the radial direction. The three first hinge ears (451) and the two second hinge ears (452) are arranged in a corresponding staggered manner. A first connecting rod (43) is hinged in the first hinge ear (451), and a second connecting rod (44) is hinged in the second hinge ear (452).

[0018] Furthermore, the moving mechanism also includes a guide mechanism (3), of which two guide mechanisms (3) are provided, which are respectively fixed on the lower surface of the upper platform (11) and the upper surface of the lower platform (12). The guide mechanism (3) can guide the first mounting frame (23) and the second mounting frame (24) when they move.

[0019] Beneficial effect: By arranging guide mechanisms on the upper and lower platforms of the triangular frame, the installation skeleton can move along the guide mechanisms.

[0020] Furthermore, the guiding mechanism (3) includes a first linear guide rail (31) and a second linear guide rail (32). The triangular parts of the platform are all rounded so that each corner forms two corners, namely the first corner (121) and the second corner (123). Taking the rightmost corner of the platform (12) as an example: the first corner (121) is located in front of the second corner (123). The first linear guide rail (31) extends from the first corner (121) towards the center, and the second linear guide rail (32) extends from the second corner (123) towards the center and intersects at the center. The stroke of the second linear guide rail (32) is longer than the stroke of the first linear guide rail (31). A first mounting frame (23) is slidably connected inside the first linear guide rail (31), and a second mounting frame (24) is slidably connected inside the second linear guide rail (32).

[0021] Furthermore, taking the rightmost angle of the following platform (12) as an example: the center of the triangular frame (1) is the origin, the horizontal direction to the right is the x-axis, the horizontal direction upward is the y-axis, the first linear guide (31) has an angle of α with the x-axis, and its extension line passes through the origin, the second linear guide (32) has an angle of -α with the x-axis, and its extension line also passes through the origin, the extension line of the second pillar to the origin has an angle of β with the x-axis, and β>α, the angle between the first hinge ear (451) and the second hinge ear (452) at the corresponding position of the hinge pillar (45) is 2α, which corresponds to the angle between the first and second linear guides.

[0022] Beneficial effects: By selecting the size of the array facets, the length of the guide rails, the connecting rods, and the position of the hinge points, the array facets can be deployed and retracted without interference.

[0023] The advantages of this invention are:

[0024] This invention, through the cooperation of a moving mechanism and the first and second arrays, enables the arrays on the radar to be deployed and folded under different circumstances to adapt to operation and transportation.

[0025] This invention achieves a large array structure without exceeding the width limit by cooperating with the moving mechanism and the first and second arrays.

[0026] The present invention uses an upper platform, a lower platform, and a second pillar to provide additional support for other equipment.

[0027] The invention provides support and load-bearing capacity through the setting of the first pillar. The triangular frame is highly rigid and can not only support multiple array structures, but also provide a reliable and stable mounting surface for other equipment.

[0028] This invention, by arranging a transmission mechanism along the axial direction at the center of the frame and connecting the transmission mechanism and the mounting frame through a connecting rod, can convert the vertical linear motion of the transmission mechanism into the unfolding and retracting motion of the array surface.

[0029] This invention arranges guide mechanisms on the upper and lower platforms of a triangular frame, allowing the mounting frame to move along the guide mechanisms.

[0030] This invention ensures that the array surfaces do not interfere with each other during their unfolding and retraction by selecting the size of the array surfaces, the length of the guide rails, the connecting rods, and the position of the hinge points. Attached Figure Description

[0031] Figure 1 This is an unfolded diagram of the multi-array radar according to Embodiment 1 of the present invention;

[0032] Figure 2 This is a collapsed view of the multi-array radar according to Embodiment 1 of the present invention;

[0033] Figure 3 This is a perspective view of the triangular frame in the multi-array radar of Embodiment 1 of the present invention;

[0034] Figure 4 This is an unfolded diagram of the multi-array radar (arrays omitted) according to Embodiment 1 of the present invention;

[0035] Figure 5 This is a perspective view of the hinged column in the multi-array radar of Embodiment 1 of the present invention;

[0036] Figure 6 This is a top view of the lower platform in the multi-array radar of Embodiment 1 of the present invention;

[0037] Figure 7 This is a perspective view of the first mounting frame in the multi-array radar of Embodiment 1 of the present invention;

[0038] Figure 8 This is a perspective view of the second mounting frame in the multi-array radar of Embodiment 1 of the present invention;

[0039] Figure 9 This is a schematic diagram of the unfolded multi-array radar (partial) according to Embodiment 1 of the present invention;

[0040] Figure 10 This is a schematic diagram of the collapse of a multi-array radar (partial) according to Embodiment 1 of the present invention. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0042] Example 1

[0043] like Figure 1 As shown, this embodiment provides a multi-array radar, including a base frame, a moving mechanism, and at least one array structure 2.

[0044] like Figure 1 , Figure 2 As shown, a moving mechanism is fixed inside the base frame. The array structure 2 includes a first array 21 and a second array 22. The moving mechanism is fixed to the first array 21 and the second array 22 respectively. The moving mechanism can control the movement of the first array 21 and the second array 22 respectively. When unfolded, the first array 21 and the second array 22 can be controlled by the moving mechanism to become a plane. When retracted, the first array 21 and the second array 22 can be staggered by the moving mechanism, with the first array 21 on the outside and the second array 22 on the inside.

[0045] like Figure 1 , Figure 3As shown, the example base frame in this embodiment is a triangular frame 1. The triangular frame 1 includes an upper platform 11, a lower platform 12, a first pillar 13, and a second pillar 14. The upper platform 11 and the lower platform 12 are equilateral triangles and are arranged parallel to each other along the Z-axis. The first pillar 13 is fixed at the three included angles of the upper and lower platforms and plays a load-bearing role, forming a three-dimensional space between the upper and lower platforms, which facilitates the subsequent folding of the array structure 2. Each of the three faces of the example triangular frame 1 in this embodiment is provided with a set of array structures 2. There are three second pillars 14, which are symmetrically arranged around the central axis of the upper and lower platforms and play an auxiliary support role. The second pillars 14 are fixed parallel to each other along the Z-axis with a first mounting seat 15 and a second mounting seat 15'. The center positions of the first mounting seat 15 and the second mounting seat 15' are respectively provided with mounting openings. The upper platform 11 can support other equipment (not shown in the figure), and the lower platform 12 can be connected to the lifting mechanism (not shown in the figure).

[0046] like Figure 3 , Figure 4 As shown, the moving mechanism includes a guide mechanism 3 and a transmission mechanism 4;

[0047] like Figure 3 , Figure 4 , Figure 5 As shown, the transmission mechanism 4 includes a motor 41, a lead screw 42, a first connecting rod 43, a second connecting rod 44, and a hinge column 45. The motor 41 is a geared motor. The lead screw 42 is rotatably connected between the first mounting base 15 and the second mounting base 15'. The motor 41 is fixed below the second mounting base 15'. The output end of the motor 41 passes through the mounting port of the second mounting base 15' and is fixed to the lead screw 42. The hinge column 45 is sleeved on the lead screw 42. In this embodiment, the hinge column 45 has three first hinge ears 451 and two hinge ears 452 integrally fixed from bottom to top in the radial direction. The three first hinge ears 451 and two hinge ears 452 are correspondingly staggered. The first connecting rod 43 is hinged in the first hinge ear 451, and the second connecting rod 44 is hinged in the second hinge ear 452.

[0048] like Figure 3 , Figure 4 , Figure 6As shown, there are two guide mechanisms 3, fixed to the lower surface of the upper platform 11 and the upper surface of the lower platform 12 respectively. The guide mechanism 3 includes a first linear guide rail 31 and a second linear guide rail 32. Taking the guide mechanism 3 on the lower platform 12 as an example, the triangular parts of the lower platform 12 are all rounded so that each corner forms two corners, namely the first corner 121 and the second corner 123. Taking the rightmost corner as an example, the first corner 121 is located in front of the second corner 123. The first linear guide rail 31 extends from the first corner 121 towards the center, and the second linear guide rail 32 extends from the second corner 123 towards the center and intersects at the center. The stroke of the second linear guide rail 32 is longer than that of the first linear guide rail 31. Each first support column 13 is located at each Between the first corner 121 and the second corner 123 at the included angle; described by angle: taking the rightmost side as an example, the center of the triangular frame 1 is the origin, the horizontal direction to the right is the x-axis, the horizontal direction upward is the y-axis, the first pillar 13 is located on the x-axis, the first linear guide rail 31 has an angle of α (α>0) with the x-axis, and its extension line passes through the origin, the second linear guide rail 32 has an angle of -α with the x-axis, and its extension line also passes through the origin, the extension line of the second pillar to the origin has an angle of β with the x-axis, and β>α, the angle between the first hinge ear 451 and the second hinge ear 452 at the corresponding position of the hinge pillar 45 is 2α, which corresponds to the angle between the first and second linear guide rails; the guide mechanism 3 on the lower surface of the upper platform 11 has the same structure as the guide mechanism 3 on the upper surface of the lower platform 12.

[0049] like Figure 1 As shown, the array structure 2 also includes a first mounting frame 23 and a second mounting frame 24. The first array 21 and the second array 22 are respectively fixed on the side of the first mounting frame 23 and the second mounting frame 24 away from the center of the triangular frame 1. In this embodiment, the first array 21 is a large array and the second array 22 is a small array.

[0050] like Figure 4 , Figure 7 , Figure 8As shown, the cross-sections of the first mounting frame 23 and the second mounting frame 24 are both triangular, with the area of ​​the triangle in the first mounting frame 23 being larger than that in the second mounting frame 24. A first slider 231, adapted to the first linear guide rail 31, is integrally fixed to both the upper and lower included angles of the first mounting frame 23 near the first linear guide rail 31. The first slider 231 is completely fixed to the first mounting frame 23. A component adapted to the first connecting rod 43 is fixed to the first mounting frame 23 between the upper and lower first sliders 231 near the first connecting rod 43. The first hinge seat 232 is positioned facing the center of the triangular frame 1; the second mounting frame 24 has a second slider 241, adapted to the second linear guide 32, integrally fixed at the upper and lower included angles near the second linear guide 32. The second slider 241 is partially fixed to the second mounting frame 24. A second hinge seat 242, adapted to the second connecting rod 44, is fixed on the second mounting frame 24 between the upper and lower second sliders 241 at the location near the second connecting rod 44. The second hinge seat 242 is positioned away from the center of the triangular frame 1. Figure 9 As shown, in the unfolded state, the first link 43 is directly above the first linear guide rail 31, and the second link 44 is directly above the second linear guide rail 32.

[0051] In use, the geared motor drives the lead screw 42 to rotate, causing the hinge column 45 to move vertically along the lead screw 42. This, in turn, pushes / pulls the first and second mounting frames via the first and second connecting rods, thereby enabling the deployment of the first and second arrays (see...). Figure 9 ) and gather (see Figure 10 By selecting the size of the array facets, the length of the guide rails, the connecting rods, and the position of the hinge points, the array facets can be deployed and retracted without interference.

[0052] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multi-array radar, characterized in that, Includes a base frame, a moving mechanism, and at least one array structure (2); A moving mechanism is provided inside the base frame, and at least one array structure is provided at the output end of the moving mechanism (2). Each of the array structures (2) includes a first array (21) and a second array (22), and the moving mechanism can control the unfolding and retraction of each first array (21) and second array (22); the array structure (2) also includes a first mounting frame (23) and a second mounting frame (24); The base frame is a triangular frame (1), which includes a second pillar (14). The second pillars (14) are fixed together along the Z-axis with a first mounting seat (15) and a second mounting seat (15'). The moving mechanism includes a transmission mechanism (4), which includes a motor (41), a lead screw (42), a first connecting rod (43), a second connecting rod (44), and a hinge column (45). The lead screw (42) is rotatably connected between the first mounting base (15) and the second mounting base (15'). The motor (41) is fixed below the second mounting base (15'). The output end of the motor (41) passes through the second mounting base (15') and is fixed to the lead screw (42). The hinge column (45) is sleeved on the lead screw (42). The first connecting rod (43) and the second connecting rod (44) are sequentially hinged from bottom to top in the radial direction of the hinge column (45), matching the number of the array structure (2). The end of the first connecting rod (43) away from the lead screw (42) is hinged to the first mounting frame (23), and the end of the second connecting rod (44) away from the lead screw (42) is hinged to the second mounting frame (24).

2. A multi-array radar according to claim 1, characterized in that: When unfolded, the first array (21) and the second array (22) can be controlled by a moving mechanism to become a plane; when folded up, the first array (21) and the second array (22) can be staggered by a moving mechanism, with the first array (21) being the large array and the second array (22) being the small array, with the first array (21) on the outside and the second array (22) on the inside.

3. A multi-array radar according to claim 1 or 2, characterized in that: The triangular frame (1) includes an upper platform (11) and a lower platform (12). The upper platform (11) and the lower platform (12) are arranged parallel to each other along the Z-axis. At least two second pillars (14) are provided, which are symmetrically arranged around the central axis of the upper and lower platforms.

4. A multi-array radar according to claim 3, characterized in that: The triangular frame (1) also includes a first pillar (13), which is fixed at the three included angles of the upper and lower platforms.

5. A multi-array radar according to claim 3, characterized in that: The first mounting frame (23) and the second mounting frame (24) are respectively fixed with a first array surface (21) and a second array surface (22) on the side away from the center of the triangular frame (1).

6. A multi-array radar according to claim 1, characterized in that: The hinge column (45) has three first hinge ears (451) and two second hinge ears (452) integrally fixed in the radial direction from bottom to top. The three first hinge ears (451) and the two second hinge ears (452) are arranged in a corresponding staggered manner. A first connecting rod (43) is hinged in the first hinge ear (451), and a second connecting rod (44) is hinged in the second hinge ear (452).

7. A multi-array radar according to claim 6, characterized in that: The moving mechanism also includes a guide mechanism (3), which has two parts, fixed on the lower surface of the upper platform (11) and the upper surface of the lower platform (12), respectively.

8. A multi-array radar according to claim 7, characterized in that: The guiding mechanism (3) is capable of guiding the first mounting frame (23) and the second mounting frame (24) as they move.

9. A multi-array radar according to claim 8, characterized in that: The guiding mechanism (3) includes a first linear guide rail (31) and a second linear guide rail (32). The triangular parts of the platform are all rounded so that each corner forms two corners, namely a first corner (121) and a second corner (123). The first corner (121) is located in front of the second corner (123). The first linear guide rail (31) extends from the first corner (121) toward the center, and the second linear guide rail (32) extends from the second corner (123) toward the center and intersects at the center. The stroke of the second linear guide rail (32) is longer than the stroke of the first linear guide rail (31). A first mounting frame (23) is slidably connected inside the first linear guide rail (31), and a second mounting frame (24) is slidably connected inside the second linear guide rail (32).

10. A multi-array radar according to claim 9, characterized in that: The center of the triangular frame (1) is the origin, the horizontal direction to the right is the x-axis, and the horizontal direction upward is the y-axis. The first linear guide (31) has an angle of α with the x-axis, and its extension line passes through the origin. The second linear guide (32) has an angle of -α with the x-axis, and its extension line also passes through the origin. The extension line of the second support to the origin has an angle of β with the x-axis, and β>α. The angle between the first hinge ear (451) and the second hinge ear (452) at the corresponding position of the hinge column (45) is 2α, which corresponds to the angle between the first and second linear guides.

Images