An array structure of a C-band active phased array weather radar

Abstract

The application discloses a kind of C-band active phased array weather radar array structures, belong to radar technical field.The array structure includes array frame, the array frame has oppositely arranged front and back, the array frame includes two sub-frames, the two sub-frames are longitudinally connected to form array frame;The sub-frame includes two side edge frames and an intermediate frame, intermediate frame is between two side edge frames, intermediate frame and side edge frame are transversely connected to form sub-frame.The array frame in the application solves the problems of high cost, difficult to splice, heavy weight and poor usability of conventional crack phased array array frame.

Description

Technical Field

[0001] This invention belongs to the field of radar technology, and in particular relates to the array structure of a C-band active phased array weather radar. Background Technology

[0002] With the rapid development of weather radar technology and the market, single-function mechanically scanned parabolic antennas are gradually being replaced by multi-functional electrically scanned slotted phased array antennas. As slotted phased array antennas place increasingly higher demands on array power and equipment integration, how to design a cost-effective slotted phased array antenna structure, improve antenna gain, increase detection range, and enhance antenna power, given a fixed array aperture, remains a key technical challenge that the weather radar industry has been continuously exploring.

[0003] Currently, the array frames of small-scale crack phased arrays are mostly machined and spliced ​​structures made of all-aluminum plates. The splicing process requires high design precision and the assembly state is difficult to control. Large-scale crack phased arrays, on the other hand, mostly adopt welded structures made of all-steel profiles. In order to avoid welding deformation, the array frame structure usually has a large redundancy, resulting in a large weight. In addition, the installation design of a large number of array devices needs to be considered separately, resulting in poor concealment, ease of use and protection. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide an array structure for a C-band active phased array weather radar.

[0005] The objective of this invention is achieved through the following technical solution: a C-band active phased array weather radar array structure, comprising an array frame, the array frame having a front and a back side arranged opposite to each other, the array frame comprising two sub-frames, the two sub-frames being longitudinally connected to form the array frame; the sub-frame comprising two side frames and a middle frame, the middle frame being located between the two side frames, the middle frame and the side frames being laterally connected to form the sub-frame.

[0006] The intermediate frame includes a first rectangular frame consisting of two main beams and two first auxiliary beams. The two main beams are arranged opposite each other. Multiple first auxiliary beams are arranged in a crisscross pattern within the first rectangular frame. The first auxiliary beams within the first rectangular frame divide the first rectangular frame into several second rectangular frames. The main beams of one sub-frame are connected to the main beams of another sub-frame.

[0007] The side frame includes a U-shaped frame consisting of a side beam and two second auxiliary beams. The two second auxiliary beams are arranged opposite each other. The open side of the U-shaped frame is connected to a main beam to form a third rectangular frame. Multiple second auxiliary beams are arranged crisscrossingly within the third rectangular frame. The second auxiliary beams within the third rectangular frame divide the third rectangular frame into several fourth rectangular frames.

[0008] Furthermore, the array structure also includes several line source subarrays, each line source subarray comprising a support member and multiple crack line sources located on the support member. The front of both the intermediate frame and the side frame is provided with several line source mounting structures, each line source mounting structure including a second flange. The second flange is mounted on the intermediate frame or the side frame, and the second flange is provided with a straight-line limiting groove. The support member is provided with a straight-line protrusion that matches the straight-line limiting groove. The line source subarrays are mounted on the intermediate frame or the side frame through the cooperation of the straight-line protrusion and the straight-line limiting groove.

[0009] Furthermore, the intersection of the two first auxiliary beams in the intermediate frame is connected by an L-shaped bending plate. The number of L-shaped bending plates at the T-shaped intersection structure formed by the intersection of the two first auxiliary beams is one, and the number of L-shaped bending plates at the cross-shaped intersection structure formed by the intersection of the two first auxiliary beams is two. The two L-shaped bending plates are respectively set at the two opposite corners of the cross-shaped intersection structure.

[0010] The two outer ends of the T-shaped and cross-shaped cross structures formed by the intersection of the two first auxiliary beams in the intermediate frame are provided with corner plates.

[0011] The intersection of the two second auxiliary beams in the side frame is connected by an L-shaped bending plate. There is one L-shaped bending plate at the T-shaped intersection structure formed by the intersection of the two second auxiliary beams, and there are two L-shaped bending plates at the cross-shaped intersection structure formed by the intersection of the two second auxiliary beams. The two L-shaped bending plates are respectively set at the two opposite corners of the cross-shaped intersection structure.

[0012] The T-shaped and cross-shaped cross structures formed by the intersection of the two second auxiliary beams in the intermediate frame are provided with corner plates on the outer front side, and the T-shaped and cross-shaped cross structures formed by the intersection of the two second auxiliary beams in the intermediate frame are provided with corner plates on the inner back side.

[0013] Furthermore, the main beam is a box girder, the main beam includes a steel plate bending groove and a sealing steel plate, and the main beam is also provided with a number of first reinforcing ribs; the side of the main beam is provided with a number of rectangular holes, and a rectangular tube is provided in the rectangular holes, the rectangular tube and the rectangular holes cooperate to form the wiring holes of the main beam;

[0014] The first auxiliary beam is a channel-shaped aluminum beam or an I-shaped aluminum beam, wherein the two first auxiliary beams used to form the first rectangular frame are channel-shaped aluminum beams, and the remaining first auxiliary beams are I-shaped aluminum beams;

[0015] One end of the main beam is provided with a first flange, and the first flange is provided with a mechanical stop. The first flanges of the two main beams of the intermediate frame are located on the same side of the first rectangular frame. The first flanges of the two intermediate frames are joined together and connected by hinge bolts.

[0016] The second auxiliary beam is a channel-shaped aluminum beam or an I-shaped aluminum beam. Among them, the two second auxiliary beams used to form the third rectangular frame are channel-shaped aluminum beams, and the remaining second auxiliary beams are I-shaped aluminum beams.

[0017] Furthermore, the array structure also includes several array systems, which are installed in the fourth rectangular frame. The fourth rectangular frame with the array systems installed is designated as the fifth rectangular frame, and the fourth rectangular frame without array systems installed is designated as the sixth rectangular frame. The front of the fifth rectangular frame is provided with a skin that closes the front of the corresponding fifth rectangular frame. Several aluminum pads are also provided on the outer side of the flange of the second auxiliary beam. The back opening edge of the fifth rectangular frame is provided with an outwardly extending waterproof flange. The back of the fifth rectangular frame is also provided with an opening and closing door for opening and closing the fifth rectangular frame. The fixed side of the opening and closing door is set on the fifth rectangular frame by a torque hinge. The movable side of the opening and closing door is provided with a lock. When the opening and closing door is closed, it is covered by the waterproof flange. The opening and closing door is also provided with a sealing strip and a water leakage hole. The back of the sixth rectangular frame is provided with a decorative panel for closing the back of the sixth rectangular frame.

[0018] Furthermore, the side beam is spliced ​​from an L-shaped beam and a V-shaped beam. The side beam is provided with several heat dissipation windows and several wire holes. Metal waterproof expansion sleeves are provided in the wire holes. Several second reinforcing ribs are provided on the inner side of the side beam for docking and connecting with the second auxiliary beam. Waterproof steps are provided around the edge of the heat dissipation window. Louvers with sealing gaskets are installed on the waterproof steps.

[0019] Furthermore, a mounting plate is provided inside the fifth rectangular frame, and the mounting plate is fastened to the fifth rectangular frame by the supporting bends inside the fifth rectangular frame. The array system is mounted on the mounting plate. The array system is a T / R component, a signal transceiver processing component, or a power supply component. The two side frames of the array frame located on one side of the middle frame are referred to as the first frame, and the two side frames of the array frame located on the other side of the middle frame are referred to as the second frame.

[0020] An exhaust fan is provided on the inner side of the side beam of the first frame. The T / R component and the signal transceiver processing component are arranged in the first frame in order from the nearest to the farthest distance from the side beam of the first frame.

[0021] The power supply component is located in the second frame, and an exhaust fan is installed on the second auxiliary beam of the fifth rectangular frame closest to the middle frame in the second frame.

[0022] Furthermore, the T / R assembly includes a T / R device and a T / R frame, wherein the T / R device is detachably installed within the T / R frame.

[0023] Further, the T / R frame is a rectangular box with one side removed. The side of the box opposite to the removed side is referred to as the back of the T / R frame, the other two sides are referred to as the sides of the T / R frame, and the bottom surface of the box is referred to as the bottom surface of the T / R frame. The back of the T / R frame has two RF blind insertion plates in the vertical direction, each with several TR positioning holes. The back of the T / R frame also has one horizontal and one vertical elongated frame mounting hole. The bottom surface of the T / R frame has several countersunk holes. The inner side of the T / R frame has two double L-shaped guide grooves in the horizontal direction. The end of the side of the T / R frame away from its back has a T / R locking hole. The two sides of the T / R device have rollers that match the double L-shaped guide grooves, and the back of the T / R device has several T / R positioning pins that mate with the T / R positioning holes.

[0024] Furthermore, the array frame is provided with several wiring areas, including an external wiring area, a main wiring area, an auxiliary wiring area, an output wiring area, and a T / R component wiring area, and each wiring area is provided with a wiring cover to cover the wiring.

[0025] The beneficial effects of this invention are:

[0026] (1) The array frame in this invention adopts a modular design. Its main load-bearing structure adopts a combination of box-shaped steel main beams, channel-shaped aluminum auxiliary beams and I-shaped aluminum auxiliary beams. The main and auxiliary beams are combined to form six left, middle and right secondary sub-frames. Then, through the adapter, a primary upper frame and a lower frame that can be repeatedly disassembled and assembled are formed, which solves the problems of high cost, difficult splicing, heavy weight and poor ease of use of conventional crack phased array array frames.

[0027] (2) In this invention, the waterproofing of the front side frame is achieved by using metal pads and skin to be glued and sealed on the aluminum frame; the waterproofing of the back side frame is achieved by using a detachable high-precision aluminum flange and a door with a sealing strip designed as an integral part of the array frame; the side of the side frame is achieved by using a hidden irregular beam and a profile aluminum auxiliary beam to be glued and sealed, thus realizing the permanent waterproofing of the array subsystem.

[0028] (3) In this invention, the T / R device is installed on a T / R frame that can be separated from the array frame, and slides through "roller + double L-shaped guide groove". The T / R component radio frequency channel in the narrow space is blindly inserted and locked through multi-level positioning of coarse positioning of guide groove and fine positioning of pin shaft. The installation and maintenance are convenient, avoiding manual insertion and removal of radio frequency transmission, and minimizing high frequency loss.

[0029] (4) In this invention, the array system is laid out in different areas and the subsystems are installed separately from the array frame, which makes it easy to maintain and use. The heat dissipation design of T / R components, power supply components and other components is carried out in different areas according to the heat generation power, which ensures the uniformity of the array temperature and avoids structural redundancy. The array equipment is laid out in different areas, which reduces the complexity of telecommunication connection and avoids electromagnetic interference.

[0030] (5) In this invention, while ensuring that the array structure has sufficient rigidity, the overall size of the array frame in the direction of the array aperture is about 200mm smaller than the array aperture, that is, the array frame is shrunken into the aperture, resulting in a high degree of lightweighting; combined with the unique design of the side beams on both sides, the array frame behind is well hidden from various angles at the front of the array, and the visual thinness is obvious. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the array structure in this invention;

[0032] Figure 2 A schematic diagram of the multi-level segmented structure of the array frame;

[0033] Figure 3 This is a schematic diagram of the structure of the line source subarray;

[0034] Figure 4 This is a front view of the middle frame;

[0035] Figure 5 This is a schematic diagram of the back of the middle frame;

[0036] Figure 6 This is a schematic diagram of the connection structure between the upper and lower frames;

[0037] Figure 7 This is a front view of the side frame;

[0038] Figure 8 This is a schematic diagram of the back of the side frame;

[0039] Figure 9 This is a schematic diagram of the connection structure between the side frame and the middle frame;

[0040] Figure 10 This is a schematic diagram of a partial waterproof structure on the front of the side frame;

[0041] Figure 11 This is a schematic diagram of the unsealed waterproof section of the back of the side frame;

[0042] Figure 12 This is a schematic diagram of the waterproof partial structure encapsulation on the back of the side frame;

[0043] Figure 13 This is a schematic diagram of the structure on the outer side of the edge beam;

[0044] Figure 14 This is a schematic diagram of the structure of the edge beam memory;

[0045] Figure 15 A schematic diagram of the partitioned layout structure of the array system;

[0046] Figure 16 Schematic diagram of the separate installation structure of the array system;

[0047] Figure 17 Schematic diagram of the exhaust-type heat dissipation structure for T / R components;

[0048] Figure 18 Schematic diagram of a blower-type heat dissipation structure for power supply components;

[0049] Figure 19 A schematic diagram of the wiring layout structure for array equipment in different areas;

[0050] Figure 20 A schematic diagram of the array wiring layout and encapsulation structure;

[0051] Figure 21 This is a schematic diagram of a T / R component;

[0052] Figure 22 This is another schematic diagram of a T / R component;

[0053] Figure 23 This is a schematic diagram of the T / R frame structure;

[0054] In the diagram, 1-Array frame, 2-Crack line source, 3-Upper frame, 4-First side frame, 5-First intermediate frame, 6-Second side frame, 7-Lower frame, 8-Third side frame, 9-Second intermediate frame, 10-Fourth side frame, 11-T-shaped component, 12-Main beam, 13-First auxiliary beam, 14-Line source mounting structure, 15-Angle plate, 16-Rectangular hole, 17-First flange, 18-L-shaped bent plate, 19-Mechanical stop, 20-Side beam, 21-Skin, 22-Second auxiliary beam, 23-Heat dissipation window, 24-Aluminum pad, 25-I-shaped adapter, 26-Slotted adapter, 27-Waterproof flange, 28-Waterproof step, 29-Opening door, 30-Leakage hole, 31-Torque hinge Chain, 32-Veneers, 33-Cable threading hole, 34-Second reinforcing rib, 35-T / R assembly, 36-Signal transceiver processing assembly, 37-Power supply assembly, 38-Support bend, 39-Mounting plate, 40-Array system, 41-Exhaust fan, 42-RF cable, 43-Exhaust fan, 44-External wiring area, 45-Main wiring area, 46-Auxiliary wiring area, 47-Output wiring area, 48-T / R assembly wiring area, 49-Decorative panel, 50-Cable cover, 51-T / R equipment, 52-Heat dissipation fins, 53-T / R frame, 54-Double L-shaped guide groove, 55-Roller, 56-RF socket, 57-RF blind insertion board, 58-Counterhead hole, 59-T / R locking hole, 60-Frame mounting elongated hole. Detailed Implementation

[0055] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and 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.

[0056] See Figures 1 to 23 This invention provides an array structure for a C-band active phased array weather radar:

[0057] like Figure 1 As shown, a C-band active phased array weather radar array structure includes an array frame 1, which has a front and a back side arranged opposite to each other. The front side of the array frame 1 is used to install a crack line source 2.

[0058] The array frame 1 includes two sub-frames, which are longitudinally connected to form the array frame 1; each sub-frame includes two side frames after vibration failure and a middle frame after vibration failure, the middle frame is located between the two side frames, and the middle frame and the side frames are laterally connected to form the sub-frame.

[0059] like Figure 2As shown, specifically, the two sub-frames are denoted as upper frame 3 and lower frame 7, respectively. Upper frame 3 and lower frame 7 are longitudinally connected to form the array frame 1. The upper frame 3 includes two side frames and one intermediate frame after vibration failure, denoted as first side frame 4, second side frame 6, and first intermediate frame 5, respectively. The lower frame 7 includes two side frames and one intermediate frame after vibration failure, denoted as third side frame 8, fourth side frame 10, and second intermediate frame 9, respectively. First side frame 4, first intermediate frame 5, and second side frame 6 are sequentially connected laterally to form upper frame 3, and third side frame 8, second intermediate frame 9, and fourth side frame 10 are sequentially connected laterally to form lower frame 7.

[0060] In this embodiment, the array frame 1 adopts a multi-level modular design. The array frame 1 is divided into a primary structure (upper frame 3 and lower frame 7) that can be repeatedly disassembled and reassembled in the height direction, and a secondary structure (left side frame, middle frame, and right side frame) in the width direction to ensure easy installation accuracy. The modular design facilitates the transportation of the array structure; for example, it can be disassembled into multiple modules for transportation and then reassembled at the destination. In this embodiment, the internal stress of the side frames and middle frame is first released through vibration failure. Then, the vibration-failed side frames and middle frame are combined into a sub-frame, which can improve the accuracy of the final product and avoid the influence of the internal stress of the side frames and middle frame on the accuracy. In this embodiment, the slotted adapter 26 and the I-beam adapter 25 provide a rigid connection between the main beam 12 and the second auxiliary beam 22. That is, after the slotted adapter 26 and the I-beam adapter 25 are riveted to the second auxiliary beam 22, the overall base flatness of the front side (facing the crack source 2) of the middle frame and the side frame before processing is adjusted to <1mm. Then, the slotted adapter 26 and the I-beam adapter 25 are welded to the main beam 12. Finally, it is ensured that even with the error introduced by welding deformation, the overall base flatness of the unprocessed line source mounting surface (front side) of the upper frame 3 and the lower frame 7 can also be less than 1.5mm. Therefore, this embodiment can easily ensure the installation accuracy of the crack source 2.

[0061] The array structure also includes several line source subarrays, each line source subarray comprising a support member and multiple crack line sources 2 located on the support member, such as... Figure 3 As shown, the support member is a T-shaped member, and multiple crack wire sources 2 are bonded to one T-shaped member to form a wire source subarray. The front of both the intermediate frame and the side frame is provided with several wire source mounting structures 14. Each wire source mounting structure 14 includes a second flange, which is mounted on the intermediate frame or the side frame. The second flange has a straight-line limiting groove, and the support member has a straight-line protrusion that matches the straight-line limiting groove. The wire source subarray is mounted on the array frame 1 through the cooperation of the straight-line protrusion and the straight-line limiting groove.

[0062] In this embodiment, the flatness of each line source subarray is less than 0.3 mm. The slotted line source 2 in this embodiment has a simple structure and a controllable manufacturing process, which can well ensure that the root mean square of the antenna array surface with a diameter of about 5m × 5m is <0.5mm. Specifically, each intermediate frame and side frame is provided with three rows of line source mounting structures 14, and the number of line source mounting structures 14 in each row is the same. Each line source subarray 9 is fixed by nine line source mounting structures 14 located in the same row, thereby being installed on the array frame 1. Each line source subarray is obtained by bonding eight slotted line sources 2 and nine T-shaped pieces distributed at a certain interval. The parallelism between the mounting surface of a single T-shaped piece and the straight limiting groove on the line source mounting structure 14 is ensured to be less than or equal to 0.05mm by machining. The T-shaped pieces and slotted line sources 2 are formed by pre-applying adhesive and then fixing them on a special tooling fixture with high positioning and installation accuracy, thereby ensuring that the flatness of the line source subarray is less than 0.3mm. The root mean square of the surface is calculated by taking the average square root of the height differences obtained from points on the mounting surface. If the flatness of the mounting surface of a 5m×5m diameter line source subarray is less than 1mm, then its root mean square of the surface must be less than 0.5mm.

[0063] The intermediate frame includes a first rectangular frame consisting of two main beams 12 and two first auxiliary beams 13. The two main beams 12 are arranged opposite each other. Multiple first auxiliary beams 13 are arranged in a crisscross pattern within the first rectangular frame. The first auxiliary beams 13 within the first rectangular frame divide the first rectangular frame into several second rectangular frames. The main beams 12 of one sub-frame are connected to the main beams 12 of the other sub-frame.

[0064] Specifically, such as Figure 4 and Figure 5 As shown, the intermediate frame includes two main beams 12 and two first auxiliary beams 13. The two main beams 12 and the two auxiliary beams form a first rectangular frame, wherein the two main beams 12 are arranged opposite each other, and the two first auxiliary beams 13 are arranged opposite each other. Multiple first auxiliary beams 13 are arranged in a crisscross pattern within the first rectangular frame; that is, some of the first auxiliary beams 13 within the first rectangular frame are parallel to the main beams 12, and other parts of the first auxiliary beams 13 are perpendicular to the main beams 12 (parallel to the first auxiliary beams 13 forming the first rectangular frame). The first auxiliary beams 13 within the first rectangular frame divide the first rectangular frame into several second rectangular frames.

[0065] like Figure 4 and Figure 5As shown, the intersection of the two first auxiliary beams 13 in the intermediate frame is connected by L-shaped bent plates 18. If it is a T-shaped intersection structure, only one L-shaped bent plate 18 is required; if it is a cross-shaped intersection structure, two L-shaped bent plates 18 are used, respectively positioned at the two opposite corners of the cross-shaped intersection structure. Corner plates 15 are provided on the outer ends of both ends of these T-shaped and cross-shaped intersection structures in the intermediate frame. The L-shaped bent plates 18 and corner plates 15 in the intermediate frame increase the rigidity of the intermediate frame and improve its bending and torsional resistance. In some embodiments, the L-shaped bent plates 18 and corner plates 15 are fixed to the first auxiliary beams 13 by riveting.

[0066] The main beam 12 is a box girder, primarily composed of bent steel plate grooved components and encapsulated steel plates. Several first reinforcing ribs are also provided inside the main beam 12, further increasing its structural strength. The outer wall of the main beam 12 is coated with a zinc layer, improving its dustproof, waterproof, and shockproof performance. The dimensions of the bent steel plate grooved components in the antenna array thickness direction can be set according to actual needs, such as 300mm, to ensure the rigidity and load-bearing capacity of the entire antenna frame.

[0067] The main beam 12 has several rectangular holes 16 on its side. A rectangular tube is installed in each rectangular hole 16. The rectangular tube can be installed in the rectangular hole 16 by welding or other methods, thus forming a wiring hole with an integrated structural design. The number of rectangular holes 16 can be determined according to the actual number of wiring connections.

[0068] The first auxiliary beam 13 has two structures: a channel beam and an I-beam. Specifically, the two first auxiliary beams 13 forming the first rectangular frame are channel beams, while the remaining first auxiliary beams 13 (those located within the first rectangular frame) are I-beams. In some embodiments, the first auxiliary beam 13 is made of aluminum, which has strong bending and torsional resistance and effectively reduces weight. The first auxiliary beam 13 is provided with corresponding wiring holes.

[0069] In this embodiment, the intermediate frame is assembled on a conventional high-precision plate using tooling fixtures. After vibration failure and release of internal stress, the flatness of both sides in the thickness direction is less than 1mm. Specifically, the conventional high-precision plate only ensures that the initial riveting position accuracy of the intermediate frame in the tooling fixture clamping state (i.e., displacement constraint state) meets the design requirements. In this embodiment, the first auxiliary beam 13 is distributed longitudinally and transversely, with an overall thickness of 232mm. It is riveted together with the corner plate 15 and the -L-shaped bending plate 18. This ensures that after the tooling fixture is released and detached from the high-precision plate, the intermediate frame itself has strong bending and torsional resistance, and can guarantee that the flatness of both sides in the thickness direction (flatness of the unprocessed mounting surface of the three-row line source) is less than 1mm.

[0070] One end of the main beam 12 is provided with a first flange 17, and the first flanges 17 of the two main beams 12 of the intermediate frame are located on the same side of the first rectangular frame. The first flanges 17 of the two intermediate frames (the intermediate frame of the upper frame 3 and the intermediate frame of the lower frame 7) are joined together and connected by hinged bolts, thereby realizing the connection between the upper frame 3 and the lower frame 7. Figure 6 As shown. In some embodiments, the first flange 17 is further provided with a mechanical stop 19.

[0071] In this embodiment, the connection structure between the upper frame 3 and the lower frame 7 ensures that the combined installation flatness of adjacent line source subarrays on the mid-section of the upper frame 3 and the lower frame 7 meets telecommunications specifications, and the load-bearing capacity of the installation platform is good (mechanical stop 19). The accuracy of repeated assembly and repositioning during product debugging and on-site installation can reach 0.1mm. Specifically, the positioning holes of the first flange 17 of the upper frame 3 and the lower frame 7 are machined with the line source mounting surface as the reference, with a positional tolerance of ±0.1mm. By installing reamed bolts in the positioning holes, the combined installation flatness of adjacent line source subarrays can be less than 0.3mm, thus meeting telecommunications specifications. Due to the mechanical stop 19, the weight of the upper frame 3 can be supported by the mechanical stop 19 after hoisting into place, making it less prone to slippage when installing reamed bolts in the positioning holes, thus ensuring good load-bearing capacity. Furthermore, the positional accuracy between the stop surface and the positioning hole is ±0.1mm, therefore the accuracy of repeated assembly and repositioning can reach 0.1mm.

[0072] like Figure 4 As shown, the front side of the intermediate frame (the side facing the crack line source 2) is provided with several line source mounting structures 14. For example, the front side of the intermediate frame is provided with three rows of line source mounting structures 14 in the direction of line source length; specifically, one row of line source mounting structures 14 is provided on each of the two main beams 12, and one row of line source mounting structures 14 is provided on a first auxiliary beam 13 between the two main beams 12 and parallel to the main beams 12, preferably on the first auxiliary beam 13 in the middle.

[0073] The side frame includes a U-shaped frame consisting of a side beam 20 and two second auxiliary beams 22. The two second auxiliary beams 22 are arranged opposite to each other. The open side of the U-shaped frame is connected to a main beam 12 to form a third rectangular frame. Multiple second auxiliary beams 22 are arranged crisscrossingly in the third rectangular frame. The second auxiliary beams 22 in the third rectangular frame divide the third rectangular frame into several fourth rectangular frames.

[0074] Specifically, such as Figure 7 and Figure 8As shown, the side frame includes one side beam 20 and two second auxiliary beams 22, forming a U-shaped frame. The two second auxiliary beams 22 are arranged opposite each other, with the side beam 20 located between them. The open side of the U-shaped frame is connected to a corresponding main beam 12, forming a third rectangular frame. Multiple second auxiliary beams 22 are arranged crisscrossingly within the third rectangular frame; that is, some of the second auxiliary beams 22 are parallel to the side beam 20, while others are perpendicular to the side beam 20 (parallel to the second auxiliary beams 22 forming the third rectangular frame). The second auxiliary beams 22 within the third rectangular frame divide it into several fourth rectangular frames.

[0075] like Figure 7 and Figure 8 As shown, the intersection of the two second auxiliary beams 22 in the side frame is connected by L-shaped bending plates 18. If it is a T-shaped intersection structure, only one L-shaped bending plate 18 is required; if it is a cross-shaped intersection structure, two L-shaped bending plates 18 are required, and the two L-shaped bending plates 18 are respectively located at the two opposite corners of the cross-shaped intersection structure. Angle plates 15 are provided on the outer side of the front of these T-shaped and cross-shaped intersection structures in the side frame (the end of the T-shaped and cross-shaped intersection structure facing the same direction as the front of the array frame 1 is the front, and the end of the T-shaped and cross-shaped intersection structure facing the same direction as the back of the array frame 1 is the back). Angle plates 15 are also provided on the inner side of the back of these T-shaped and cross-shaped intersection structures. The L-shaped bending plates 18 and angle plates 15 in the side frame increase the rigidity of the side frame and improve its bending and torsional resistance. In some embodiments, the L-shaped bending plates 18 and angle plates 15 are fixed to the second auxiliary beams 22 by riveting.

[0076] The second auxiliary beam 22 has two structures: a channel beam and an I-beam. Specifically, the two second auxiliary beams 22 forming the third rectangular frame are channel beams, while the remaining second auxiliary beams 22 (those located within the third rectangular frame) are I-beams. In some embodiments, the second auxiliary beam 22 is made of aluminum, which has strong bending and torsional resistance and effectively reduces weight. The second auxiliary beam 22 is provided with corresponding wiring holes. Figure 9As shown, when the second auxiliary beam 22 is connected to the main beam 12, if the second auxiliary beam 22 is a channel beam, it is connected to the main beam 12 through a channel-shaped adapter 26; if the second auxiliary beam 22 is an I-beam, it is connected to the main beam 12 through an I-beam adapter 25. This minimizes the accumulation of flatness errors in the upper frame 3 and lower frame 7 during manufacturing, ensuring that the overall base flatness of the unprocessed wire source mounting surface is less than 1.5mm. The structure of this embodiment minimizes the accumulation of flatness errors in the upper frame 3 and lower frame 7 during manufacturing, ensuring that the overall base flatness of the unprocessed wire source mounting surface is less than 1.5mm.

[0077] like Figure 7 As shown, the front side of the side frame (the side facing the crack line source 2) is provided with several line source mounting structures 14. For example, the front side of the side frame is provided with three rows of line source mounting structures 14 in the direction of line source length; specifically, one row of line source mounting structures 14 is provided on each of the side beam 20 and the two second auxiliary beams 22.

[0078] like Figure 7 As shown, the array structure also includes several array systems 40. The array systems 40 are installed in the fourth rectangular frame. The fourth rectangular frame with the array systems 40 installed is designated as the fifth rectangular frame, and the fourth rectangular frame without the array systems 40 installed is designated as the sixth rectangular frame. The side of the fourth rectangular frame facing the same direction as the front of the array frame 1 is designated as its front side, and the side of the fourth rectangular frame facing the same direction as the back of the array frame 1 is designated as its back side. The front of the fifth rectangular frame is provided with a skin 21, which seals the front of the corresponding fifth rectangular frame, achieving permanent waterproofing. Generally, the skin 21 is installed on the second auxiliary beam 22 using a glued sealing method. Figure 10 As shown, the outer flange of the second auxiliary beam 22 is also provided with several aluminum pads 24. The overall encapsulation of the aluminum pads 24 and the skin 21 with adhesive riveting ensures that the waterproof adhesive will not crack or fall off under the shear or normal stress <5MPa during the sudden stop and start of the array frame 1 under the strong impact conditions of pitch and azimuth rotation, thus achieving permanent waterproofing. When the positions of the aluminum pads 24 and the corner plate 15 overlap, only one of them needs to be set. In addition to being used to install the skin 21, the aluminum pads 24 can also increase the rigidity of the side frame. In some embodiments, the material of the skin 21 is steel.

[0079] like Figure 11 and Figure 12As shown, the fifth rectangular frame has an outwardly extending waterproof flange 27 at the edge of its rear opening. The rear of the fifth rectangular frame also has an opening / closing door 29 for opening and closing. Generally, the fixed side of the opening / closing door 29 is mounted on the fifth rectangular frame via a torque hinge 31, allowing the door 29 to rotate to open and close the rear of the fifth rectangular frame. The movable side of the opening / closing door 29 is equipped with a lock (such as a rotary latch). When the door 29 is closed, it can be locked with the lock; opening the door 29 allows it to be opened. When closed, the opening / closing door 29 covers the waterproof flange 27, achieving a seal on the rear of the fifth rectangular frame. A sealing strip is also provided on the opening / closing door 29 to improve the sealing effect between the door 29 and the waterproof flange 27. Furthermore, the opening / closing door 29 is equipped with a drainage hole 30 to ensure good water conductivity even under heavy rainfall. The design of the opening / closing door 29 on the rear of the fifth rectangular frame not only ensures waterproofing but also facilitates equipment maintenance. The back of the sixth rectangular frame is provided with a decorative panel 49 for closing the back of the sixth rectangular frame.

[0080] In some embodiments, such as Figure 13 and Figure 14 As shown, the side beam 20 is composed of an L-shaped beam and a V-shaped beam spliced ​​together. The side beam 20 is provided with several heat dissipation windows 23 and several wiring holes 33. The wiring holes 33 are equipped with metal waterproof expansion sleeves, achieving single-wire encapsulation of the exposed RF cable and providing good waterproofing. In some embodiments, the splicing of the L-shaped beam and the V-shaped beam adopts a concealed stop limit, which is obtained by applying waterproof adhesive and then tightening it in the opposite direction. The exposed joint is seamlessly integrated after grinding and spraying primer.

[0081] The inner side of the side beam 20 is provided with several second reinforcing ribs 34, which increases the structural strength of the side beam 20. The second reinforcing ribs 34 are also used for butt connection with the second auxiliary beam 22, that is, the second auxiliary beam 22 is connected to the second reinforcing ribs 34 on the side beam 20, which has the advantages of good rigidity, high positional accuracy, and high degree of structural and functional integration. Specifically, since the basic structure (L-shaped beam and V-shaped beam) of the side beam 20 is obtained by machining, the positional accuracy after machining can reach ±0.1mm. Therefore, the positional accuracy of the two transverse I-shaped second auxiliary beams 22 attached to the butt joint surface of the I-shaped second auxiliary beams 22 of the side beam 20 can reach ±0.1mm. Thus, the initial positioning accuracy of the riveting can reach ±0.1mm, which has the advantage of high positional accuracy.

[0082] like Figure 11 and Figure 12As shown, the heat dissipation window 23 of the side beam 20 is equipped with louvers 32. Specifically, the edge of the heat dissipation window 23 is provided with a waterproof step 28 surrounding the heat dissipation window 23, and the louvers 32 are installed on the waterproof step 28, thereby achieving complete waterproofing. The louvers 32 are provided with a sealing gasket, which further improves the waterproofing effect.

[0083] The array structure also includes several array systems 40, each of which is a T / R component 35, a signal transceiver processing component 36, or a power supply component 37. The two side frames of the array frame 1 located on one side of the middle frame are referred to as the first frame, and the two side frames of the array frame 1 located on the other side of the middle frame are referred to as the second frame. An exhaust fan 41 is provided inside the side beam 20 of the first frame. The T / R component 35 and the signal transceiver processing component 36 are arranged in the first frame in order from near to far from the side beam 20. The power supply component 37 is arranged in the second frame. An exhaust fan 43 is provided on the second auxiliary beam 22 of the fifth rectangular frame closest to the middle frame in the second frame.

[0084] like Figure 15 As shown, the T / R component 35 and the signal transceiver processing component 36 are located in the side frame on the left side of the array frame 1, while the power supply component 37 is located in the side frame on the right side of the array frame 1. Specifically, the T / R component 35 is located at the leftmost position of the left side frame (i.e., the position closest to the side beam 20). Because the T / R component 35 has high power, high heat dissipation, and is sensitive to RF loss, placing it close to the side beam 20 facilitates heat dissipation. Simultaneously, the straight-line distance between the T / R component 35 and the leftmost line source RF end is 200mm, meeting the requirement of a maximum cable length of 300-350mm, thus minimizing RF loss. The separately packaged T / R component 35 has strong anti-interference capabilities during array operation. Due to the large weight of the power supply component 37, placing it separately on the right side of the array frame 1 facilitates array counterweighting, preventing overturning during array structure rotation and pitch, and maximizing the full rigidity of the frame structure design. Meanwhile, the power supply component 37 is positioned at the far right of the right side frame (i.e., near the side beam 20) for easy heat dissipation. The signal transceiver processing component 36, due to its low heat dissipation, low loss sensitivity, and strong electrical coupling, is placed in the middle area of ​​the left side frame. The power distribution network and other distribution systems are laid out according to the principle of shortest cable paths to reduce array redundancy.

[0085] like Figure 16As shown, a mounting plate 39 is provided within the fifth rectangular frame. The mounting plate 39 is fastened to the fifth rectangular frame via a supporting bend within the frame, and the array system 40 is mounted on the mounting plate 39. Generally, the mounting plate 39 is made of aviation aluminum plate, and it has several threaded holes for mounting the array system 40, as well as several elongated holes for weight reduction and cable laying. The number of elongated holes on the mounting plate 39 is maximized while ensuring sufficient rigidity. The supporting bend is obtained by drilling holes in angle steel profiles and pre-riveted to the fifth rectangular frame; for example, a 50×50×5mm angle steel profile is used to drill holes to obtain the supporting bend. The connection between the mounting plate 39 and the supporting bend 38 is achieved through several crisscrossing elongated holes, providing a large tolerance fit, ensuring installation while reducing cost and improving maintainability.

[0086] like Figure 17 As shown, an exhaust fan 41 is installed inside the side beam 20 on the left side of the array frame 1 to extract heat from the side frame and exhaust it through the heat dissipation window 23. Since the front of the sixth rectangular frame is not closed, external air enters from the front of the sixth rectangular frame on the left side frame, then passes through the signal transceiver processing component 36 and the T / R component 35, carrying away the heat generated therefrom, and then exhausts it through the heat dissipation window 23 of the left side beam 20. In this embodiment, the air outlet is located on the chamfered surface of the side beam 20, and the air inlet is on the side near the main beam 12. The exhaust fan 41 is hidden inside the chamfered surface of the side beam 20, close to the heat dissipation teeth 52 of the T / R component 35. This exhaust-type heat dissipation structure can provide maximum air pressure for the T / R component 35 with a heat dissipation power of 200W and ensure that the maximum chip junction temperature inside the T / R component 35 is 70-75℃.

[0087] The T / R assembly 35 includes a T / R device 51 and a T / R frame 53. The functional components inside the T / R device 51 are arranged in two layers, with the heat dissipation fins 52 cavity located in the middle. High-power chips are distributed close to both sides of the heat dissipation fins 52 to ensure that heat can be quickly carried away by the cool air passing through the heat dissipation cavity. The heat dissipation structure on the left side of the array frame 1 is integrated with the array frame 1 and the T / R assembly 35, resulting in a high degree of integration; there are no excessive redundant heat dissipation structures, resulting in a high degree of lightweighting; the exhaust section also encapsulates the T / R assembly 35 and the line source RF connection cable, enhancing its functionality.

[0088] like Figure 18 As shown, an exhaust fan 43 is installed on the second auxiliary beam 22 on the leftmost side of the fifth rectangular frame on the right side of the array frame 1. This exhaust fan 43 is used to blow the heat generated by the power supply component 37 away from the power supply component 37, and to dissipate heat naturally from the louvers 32 of the right side beam 20 through the temperature difference with the outside environment. This heat dissipation structure can ensure that the maximum temperature of the power supply component 37 does not exceed 70℃, and has fewer redundant structures and a significant weight reduction effect.

[0089] like Figure 19 As shown, the array frame 1 is provided with several cabling areas, specifically including an external cabling area 44, a main cabling area 45, an auxiliary cabling area 46, an output cabling area 47, and a T / R component cabling area 48. Specifically, the external cabling area 44 is divided into a transceiver and signal processing, and power supply external cabling area 44, which handles the external cable laying of the array, separating cable laying from the source to avoid electromagnetic interference and reduce subsequent electromagnetic shielding costs. The main cabling area 45 is divided into a transceiver and signal processing, and power supply main cabling area 45, which handles the telecommunication connections between upper and lower arrays and the laying of main cables with low maintainability requirements, avoiding chaotic cable physical relationships during internal subsystem telecommunication connections, ensuring the maintainability of lower-level cables, and facilitating online debugging. The auxiliary cabling area 46 is divided into a transceiver and signal processing, and power supply auxiliary cabling area 46, which handles the cable laying for internal subsystem telecommunication connections. The layout of this subsystem area is based on factors such as cable minimization, dimensions, and maintainability. Given the large number of cables in this area, detailed layout was achieved using cabling software (Eplan) to ensure feasible engineering implementation. Output cabling area 47 is primarily for laying power distribution output cables. The cables in this area have low maintainability requirements; after laying, they are enclosed by cabling covers 50, resulting in a clean, aesthetically pleasing appearance and good concealment. T / R component cabling area 48 is only used for laying cables connecting the power distribution network and T / R components 35. This area has limited space and small-gauge cables, but a large number of them. Cabling software simulation demonstrated strong feasibility and good engineering results.

[0090] By setting up the aforementioned wiring area, the problems of a large number of cables, complex telecommunication logic relationships, strong electromagnetic coupling interference, and poor subsequent maintainability of the entire antenna array were solved. Figure 20 As shown, the array frame 1 is equipped with a cable management cover 50 and a decorative panel 49 to cover the cables, providing good cable concealment and an aesthetically pleasing overall appearance on the back. The decorative panel 49, located on the back of the sixth rectangular frame, not only conceals the cables but also serves a waterproof function.

[0091] like Figure 21 and Figure 22 As shown, the T / R assembly 35 includes a T / R device 51 and a T / R frame 53, wherein the T / R device 51 is detachably installed within the T / R frame 53.

[0092] like Figure 23As shown, the T / R frame 53 is a housing after removing the top and one side. The side of this housing opposite to the removed side is referred to as the back of the T / R frame 53, the other two sides of the housing are referred to as the sides of the T / R frame 53, and the bottom surface of the housing is referred to as the bottom surface of the T / R frame 53. The back of the T / R frame 53 has two RF blind insertion plates 57 in the vertical direction, i.e., one RF blind insertion plate 57 is located above the other RF blind insertion plate 57. The RF blind insertion plate 57 has several T / R positioning holes, for example, one T / R positioning hole is located at each of a set of diagonal points of the RF blind insertion plate 57. The back of the T / R frame 53 has a horizontal frame mounting elongated oval hole 60 and a vertical frame mounting elongated oval hole 60. The bottom surface of the T / R frame 53 has several countersunk holes 58. Based on the elongated oval holes and countersunk holes 58 on the T / R frame 53, the T / R frame 53 can be installed in the fifth rectangular frame by riveting or other methods. The inner side of the T / R frame 53 has two double L-shaped guide grooves 54 in the horizontal direction; the end of the side of the T / R frame 53 away from its back is provided with a TR locking hole. Figure 20 As shown, the T / R device 51 has rollers 55 on both sides that match the double L-shaped guide grooves 54, and the back of the T / R device 51 has a number of T / R positioning pins that cooperate with the TR positioning holes.

[0093] The installation process of T / R frame 53 is as follows: First, it is precisely positioned using countersunk holes 58, and then it is screwed into place using the horizontal and vertical elongated holes on the back of T / R frame 53. This ensures installation while reducing assembly precision and facilitating functional implementation. The installation process of T / R device 51 is as follows: T / R device 51 is first roughly guided by double L-shaped guide grooves 54, and then precisely engaged with the TR positioning holes on T / R frame 53 by the two diagonally distributed TR positioning pins at the blind insertion end of T / R component 35, ensuring that T / R device 51 is properly connected to RF blind insertion board 57.

[0094] The two L-shaped guide grooves 54 of the double L-shaped guide grooves are staggered to limit the rollers 55 of the upper T / R device 51 and the lower T / R device 51, so as to avoid collisions between the upper T / R device 51 and the lower T / R device 51 during installation.

[0095] The T / R positioning hole of the RF blind insertion plate 57 in the T / R frame 53 and the position of the RF socket 56 on the T / R device 51 are ensured by precision machining. With the TR positioning hole as the reference, the relative positional accuracy of the RF socket 56 is 0.1mm. The RF socket 56 is connected to the crack wire source 2 via the RF cable 42. The TR positioning hole and the T / R positioning pin are chamfered to ensure accurate guidance of the T / R positioning pin and avoid burrs caused by collisions, which would affect subsequent repeated assembly. The relative positional accuracy of the T / R locking hole and the T / R positioning hole is ensured by the frame positioning stop. The entire frame structure is simple, lightweight, has sufficient rigidity for structural installation, and is highly functional.

[0096] The T / R frame 53 in this embodiment can realize the stacked installation of two T / R devices 51. It has a high degree of structural integration, is convenient for installation and maintenance, avoids manual plugging and unplugging of radio frequency transmission, and minimizes high frequency loss.

[0097] The above description is merely a preferred embodiment of the present invention. It should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A C-band active phased array weather radar array structure, comprising an array frame having a front and a back side arranged opposite to each other, characterized in that, The array frame includes two sub-frames, which are longitudinally connected to form the array frame; each sub-frame includes two side frames and a middle frame, with the middle frame located between the two side frames, and the middle frame and the side frames are laterally connected to form the sub-frame. The intermediate frame includes a first rectangular frame consisting of two main beams and two first auxiliary beams. The two main beams are arranged opposite each other. Multiple first auxiliary beams are arranged in a crisscross pattern within the first rectangular frame. The first auxiliary beams within the first rectangular frame divide the first rectangular frame into several second rectangular frames. The main beams of one sub-frame are connected to the main beams of another sub-frame. The side frame includes a U-shaped frame consisting of a side beam and two second auxiliary beams. The two second auxiliary beams are arranged opposite each other. The open side of the U-shaped frame is connected to a main beam to form a third rectangular frame. Multiple second auxiliary beams are arranged crisscrossingly within the third rectangular frame. The second auxiliary beams within the third rectangular frame divide the third rectangular frame into several fourth rectangular frames.

2. The array structure of a C-band active phased array weather radar according to claim 1, characterized in that, The array structure also includes several line source subarrays. Each line source subarray includes a support member and multiple crack line sources located on the support member. The front of both the intermediate frame and the side frame is provided with several line source mounting structures. Each line source mounting structure includes a second flange, which is mounted on the intermediate frame or the side frame. The second flange is provided with a straight-line limiting groove. The support member is provided with a straight-line protrusion that matches the straight-line limiting groove. The line source subarray is mounted on the intermediate frame or the side frame through the cooperation of the straight-line protrusion and the straight-line limiting groove.

3. The array structure of a C-band active phased array weather radar according to claim 1, characterized in that, The intersection of the two first auxiliary beams in the intermediate frame is connected by an L-shaped bending plate. There is one L-shaped bending plate at the T-shaped intersection structure formed by the intersection of the two first auxiliary beams, and there are two L-shaped bending plates at the cross-shaped intersection structure formed by the intersection of the two first auxiliary beams. The two L-shaped bending plates are respectively set at the two opposite corners of the cross-shaped intersection structure. The two outer ends of the T-shaped and cross-shaped cross structures formed by the intersection of the two first auxiliary beams in the intermediate frame are provided with corner plates. The intersection of the two second auxiliary beams in the side frame is connected by an L-shaped bending plate. There is one L-shaped bending plate at the T-shaped intersection structure formed by the intersection of the two second auxiliary beams, and there are two L-shaped bending plates at the cross-shaped intersection structure formed by the intersection of the two second auxiliary beams. The two L-shaped bending plates are respectively set at the two opposite corners of the cross-shaped intersection structure. The T-shaped and cross-shaped cross structures formed by the intersection of the two second auxiliary beams in the intermediate frame are provided with corner plates on the outer front side, and the T-shaped and cross-shaped cross structures formed by the intersection of the two second auxiliary beams in the intermediate frame are provided with corner plates on the inner back side.

4. The array structure of a C-band active phased array weather radar according to claim 1, characterized in that, The main beam is a box girder, which includes a steel plate bending groove and a sealing steel plate. The main beam is also provided with a number of first reinforcing ribs inside. The side of the main beam has a number of rectangular holes, and a rectangular tube is provided in the rectangular holes. The rectangular tube and the rectangular holes cooperate to form the wiring holes of the main beam. The first auxiliary beam is a channel-shaped aluminum beam or an I-shaped aluminum beam, wherein the two first auxiliary beams used to form the first rectangular frame are channel-shaped aluminum beams, and the remaining first auxiliary beams are I-shaped aluminum beams; One end of the main beam is provided with a first flange, and the first flange is provided with a mechanical stop. The first flanges of the two main beams of the intermediate frame are located on the same side of the first rectangular frame. The first flanges of the two intermediate frames are joined together and connected by hinge bolts. The second auxiliary beam is a channel-shaped aluminum beam or an I-shaped aluminum beam. Among them, the two second auxiliary beams used to form the third rectangular frame are channel-shaped aluminum beams, and the remaining second auxiliary beams are I-shaped aluminum beams.

5. The array structure of a C-band active phased array weather radar according to claim 1, characterized in that, The array structure also includes several array systems, which are installed in the fourth rectangular frame. The fourth rectangular frame with the array systems installed is designated as the fifth rectangular frame, and the fourth rectangular frame without array systems installed is designated as the sixth rectangular frame. The front of the fifth rectangular frame is covered with a skin that closes the front of the corresponding fifth rectangular frame. Several aluminum pads are also provided on the outer side of the flange of the second auxiliary beam. The back opening edge of the fifth rectangular frame is provided with an outwardly extending waterproof flange. The back of the fifth rectangular frame is also provided with an opening and closing door for opening and closing the fifth rectangular frame. The fixed side of the opening and closing door is set on the fifth rectangular frame by a torque hinge. The movable side of the opening and closing door is provided with a lock. When the opening and closing door is closed, it is covered by the waterproof flange. The opening and closing door is also provided with a sealing strip and a water leakage hole. The back of the sixth rectangular frame is provided with a decorative panel for closing the back of the sixth rectangular frame.

6. The array structure of a C-band active phased array weather radar according to claim 1, characterized in that, The side beam is spliced ​​from an L-shaped beam and a V-shaped beam. The side beam is provided with several heat dissipation windows and several wire holes. Metal waterproof expansion sleeves are installed in the wire holes. Several second reinforcing ribs are provided on the inner side of the side beam for docking and connecting with the second auxiliary beam. Waterproof steps are provided around the edge of the heat dissipation window. Louvers with sealing gaskets are installed on the waterproof steps.

7. The array structure of a C-band active phased array weather radar according to claim 5, characterized in that, The fifth rectangular frame is provided with a mounting plate, which is fastened to the fifth rectangular frame by the supporting bends within the fifth rectangular frame. The array system is mounted on the mounting plate. The array system is a T / R component, a signal transceiver processing component, or a power supply component. The two side frames of the array frame located on one side of the middle frame are referred to as the first frame, and the two side frames of the array frame located on the other side of the middle frame are referred to as the second frame. An exhaust fan is provided on the inner side of the side beam of the first frame. The T / R component and the signal transceiver processing component are arranged in the first frame in order from the nearest to the farthest distance from the side beam of the first frame. The power supply component is located in the second frame, and an exhaust fan is installed on the second auxiliary beam of the fifth rectangular frame closest to the middle frame in the second frame.

8. The array structure of a C-band active phased array weather radar according to claim 7, characterized in that, The T / R assembly includes a T / R device and a T / R frame, wherein the T / R device is detachably installed within the T / R frame.

9. The array structure of a C-band active phased array weather radar according to claim 8, characterized in that, The T / R frame is a rectangular box with one and a side removed. The side of the box opposite to the removed side is called the back of the T / R frame, the other two sides are called the sides of the T / R frame, and the bottom surface of the box is called the bottom surface of the T / R frame. The back of the T / R frame has two RF blind insertion plates in the vertical direction, and the RF blind insertion plates have several TR positioning holes. The back of the T / R frame has a horizontal frame mounting elongated hole and a vertical frame mounting elongated hole. The bottom surface of the T / R frame has several countersunk holes. The inner side of the T / R frame has two double L-shaped guide grooves in the horizontal direction. The end of the side of the T / R frame away from its back is provided with a T / R locking hole. The two sides of the T / R device are provided with rollers that match the double L-shaped guide grooves, and the back of the T / R device is provided with several T / R positioning pins that mate with the T / R positioning holes.

10. The array structure of a C-band active phased array weather radar according to claim 1, characterized in that, The array frame is provided with several wiring areas, including an external wiring area, a main wiring area, an auxiliary wiring area, an output wiring area, and a T / R component wiring area. Each wiring area is provided with a wiring cover to cover the wiring.

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