Active phased array front-end structure with simplified installation process

Abstract

The utility model relates to the technical field of radars, and particularly provides an active phased array front-end structure with a simplified installation process, which optimizes a feed network in antenna design to enable a feed port to be located at the middle position, matches with a T / R assembly through a butt joint installation mode, and enables the T / R assembly to be tightly attached to an antenna through screw fixation to increase the heat dissipation area. The width of the wave hole board card is designed according to the width of the T / R assembly, the position of the control connector is positioned according to the T / R assembly, the wave control board card and the T / R assembly are installed in an up-and-down matched mode by using the idea of lamination design, a control cable is omitted, an SMP connector installation space is reserved on the wave control board card, and an SMP flange and the wave control board card are welded and fixed through soldering tin. And then the other end is inserted into the SMP socket of the sum-difference device. By means of the design, the connection reliability is guaranteed, certain installation tolerance is given, the whole installation process is simplified, and the internal space is saved. The assembling procedure in the equipment production process is greatly simplified, and the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to radar technical field, concretely relates to a kind of active phased array front-end structure of simplifying installation procedure. BACKGROUND

[0002] In active phased array radar, each antenna unit needs to be matched with a microwave transceiver component (T / R component), and general phased array radar is often divided into dozens or even hundreds of unit sub-arrays on the antenna, so it needs to be equipped with a large number of T / R components. Microwave transceiver component manufacturers often design T / R components as 4-in-1 or 2-in-1 modular products (one module contains 4 or 2 T / R channels) to make the products versatile, reduce product material research and development costs, improve production efficiency and commercialization costs. Although this design has the advantages of stable product performance, short delivery cycle and low material cost, it also brings problems such as complicated wiring and installation work for downstream users, and reliability decline due to careless handling. In addition, T / R components need to be powered and controlled by wave control board cards, and each T / R needs a separate connector for control, which results in a large number of internal cables, crowded space and low component layout efficiency. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide an active phased array front-end structure that simplifies the installation process, optimizes the structure to simplify the installation process, improves the heat dissipation efficiency, and reduces the space occupation and cost.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an active phased array front-end structure that simplifies the installation process, comprising an antenna, a sum-and-difference device, a shell, a wave control board card, a T / R component, a fan and a baffle assembly, a cover plate and an SMP jumper wire.

[0005] The back of the antenna is provided with a plurality of feed ports;

[0006] The RF port of the T / R component is connected to the SMP interface of the feed port of the antenna through an SMP-J connector, and is pre-fixed to the back of the antenna through M2.5 combination screws;

[0007] The wave control board card is fixed on the top of the T / R component by single-pass copper column welding, the pin of which is connected to the control interface seat of the T / R component, and the SMP jumper wire is reserved for space;

[0008] The sum-and-difference device is connected to the antenna by M2.5 combination screws, and the SMP socket is connected to one end of the SMP jumper wire;

[0009] The shell is positioned and matched with the antenna and is fixed by M3 combination screws, and the shell is provided with heat dissipation protrusions and air duct structures inside;

[0010] The fan and baffle assembly is installed on both sides of the shell and fixed by a countersunk screw.

[0011] The cover plate is fixed on the shell by a countersunk screw to protect the SMP jumper wire.

[0012] Preferably, the radio frequency collection port of the T / R assembly is an optical hole SMP socket matched with a customized flange extended connector at one end of the SMP jumper wire.

[0013] Preferably, when the wave control board card is fixed by copper column welding, the threaded section of the copper column is ground short, and after welding, the pin is connected with the T / R assembly row seat.

[0014] Preferably, the shell and the antenna are matched and installed through positioning concave holes and positioning protrusions, the shell is provided with heat dissipation teeth and a wiring slot for the SMP jumper wire to pass through.

[0015] Preferably, the two ends of the SMP jumper wire are respectively a customized flange extended connector and an SMP-KFB1 flange connector, and the middle section is welded and fixed to the wave control board card by soldering.

[0016] Preferably, the power supply of the fan and baffle assembly is provided by the wave control board card, the shell is provided with an air inlet and an air outlet to form an air duct, and the fan drives the airflow to dissipate heat through the air duct.

[0017] Preferably, the cover plate is fixed to the shell by 17 countersunk M2.5 screws to constrain the wiring position of the SMP jumper wire.

[0018] Preferably, the final fixing of the T / R assembly and the antenna is realized by step-by-step tightening of the M2.5 combined screw, and the installation tolerance is reserved when the screw is not completely tightened.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1. Simplify the installation process: through the laminated design (the wave control board card and the T / R assembly are stacked up and down), the traditional control cable is saved, and the installation path is shortened; the pre-fixing structure (M2.5 screw pre-tightening) and the modular assembly process (such as SMP jumper wire perforation positioning) reduce the manual operation steps and improve the assembly efficiency.

[0021] 2. Improve the connection reliability: the flange extended SMP connector (customized design) is used to enhance the mechanical strength and avoid loosening caused by vibration; the soldering fixed SMP jumper wire (soldering connection wave control board card) replaces the threaded locking to eliminate the risk of poor contact.

[0022] 3. Optimize the heat dissipation performance: the laminated structure shortens the heat conduction path of the T / R assembly to the shell; the shell heat dissipation protrusion and the fan air duct are cooperatively designed (air inlet-internal cavity-air outlet), which accelerates the air flow and reduces the component temperature rise.

[0023] 4. Reduce the space occupation: SMP small interface reduces the wiring volume, adapts to the compact phased array antenna layout; wave control board and T / R component vertical integration, release the horizontal space.

[0024] 5. Reduce the cost: replace J30J large size connector, reduce the amount of high-priced RF cable; standardized SMP interface design simplifies production process and improves assembly yield. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the internal three-dimensional structure schematic view of the utility model;

[0026] Figure 2 It is the internal plane structure schematic view of the utility model;

[0027] Figure 3 It is the wave control board, T / R component and difference connection structure schematic view of the utility model;

[0028] Figure 4 It is the cover plate perspective overall three-dimensional structure schematic view of the utility model.

[0029] Figure 5 It is the antenna perspective overall three-dimensional structure schematic view of the utility model.

[0030] In the drawing: 1, antenna; 2, difference; 3, shell; 4, wave control board; 5, T / R component; 6, fan and baffle assembly; 7, cover plate; 8, SMP jumper. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following is further detailed by embodiment, and combines with the drawings, and the utility model is explained in detail.It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0032] The following refers to Figures 1-5 To describe a kind of active phased array front-end structure of simplifying installation procedure provided in an embodiment of the present application.

[0033] A kind of active phased array front-end structure of simplifying installation procedure, including antenna 1, difference 2, shell 3, wave control board 4, T / R component 5, fan and baffle assembly 6, cover plate 7 and SMP jumper 8;

[0034] The back of antenna 1 is equipped with several feed ports;

[0035] The RF port of T / R component 5 is matched with the feed port SMP interface of antenna 1 by SMP-J connector, and is pre-fixed with the back of antenna 1 by M2.5 combination screw;

[0036] Wave control board card 4 is fixed on T / R assembly 5 by single-pass copper column welding, the pin thereof is connected with the control interface seat of T / R assembly 5, and SMP jumper 8 is reserved to pass through the space;

[0037] And difference 2 is connected with antenna 1 through M2.5 combination screws, and the SMP socket thereof is connected with one end of SMP jumper 8;

[0038] Shell 3 is positioned and matched with antenna 1 and is fixed through M3 combination screws, and shell 3 is internally provided with a heat dissipation protrusion and an air duct structure;

[0039] Fan and baffle assembly 6 is installed on both sides of shell 3 and is fixed through countersunk screws;

[0040] Cover plate 7 is fixed on shell 3 through countersunk screws and is used for protecting SMP jumper 8.

[0041] Further, the radio frequency collection port of T / R assembly 5 is an optical hole SMP socket, and is matched with a customized flange length connector at one end of SMP jumper 8.

[0042] Further, when wave control board card 4 is fixed through copper column welding, the threaded section of the copper column is ground and shortened, and after welding, the pin is connected with the seat of T / R assembly 5.

[0043] Further, shell 3 is installed in cooperation with antenna 1 through positioning concave holes and positioning protrusions, shell 3 is provided with heat dissipation teeth and a wiring slot for SMP jumper 8 to pass through.

[0044] In a further embodiment, SMP jumper 8 has a customized flange length connector and an SMP-KFB1 flange connector at both ends, respectively, and a section is fixed by soldering with wave control board card 4.

[0045] In a further embodiment, fan and baffle assembly 6 is powered by wave control board card 4, shell 3 is provided with an air inlet and an air outlet to form an air duct, and the fan drives airflow to dissipate heat through the air duct.

[0046] In a further embodiment, cover plate 7 is fixed with shell 3 through 17 countersunk M2.5 screws, and is used for restraining the wiring position of SMP jumper 8.

[0047] In a further embodiment, the final fixing of T / R assembly 5 and antenna 1 is realized by step-by-step tightening of M2.5 combination screws, and installation tolerance is reserved when the screws are not completely tightened.

[0048] The specific working process of the active phased array front-end structure of the simplified installation procedure of the application is described in combination with the above embodiments:

[0049] 1, T / R assembly 5 installation:

[0050] The T / R assembly 5 radio frequency port is aligned with the antenna 1 feeding port through the SMP-J connector, and is pre-fixed through the M2.5 combined screw (the screw is not tightened temporarily);

[0051] After adjusting the position of the T / R assembly 5, the screw is tightened step by step to complete the fixation.

[0052] 2, wave control board card 4 integration:

[0053] The wave control board card 4 is fixed above the T / R assembly 5 through single-through copper column welding, and the copper column threaded segment is ground short;

[0054] The wave control board card 4 pin is connected with the T / R assembly 5 control interface row seat, and the SMP jumper 8 passes through the reserved space and is welded and fixed.

[0055] 3, shell 3 assembly:

[0056] The shell 3 is aligned with the antenna 1 positioning protrusion through the positioning concave hole, and is locked step by step using the M3 combined screw;

[0057] The shell 3 is opened to the heat dissipation tooth and the wiring slot, and the SMP jumper 8 is provided to pass out and be fixed.

[0058] 4, heat dissipation and protection:

[0059] The fan and baffle assembly 6 are installed on both sides of the shell 3, and the power supply is provided by the wave control board card 4;

[0060] The cover plate 7 is fixed through 17 countersunk screws, and the position of the SMP jumper 8 is constrained to prevent touching.

[0061] The technical features of the above embodiments can be combined arbitrarily, and in order to make the description simple, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the description.

[0062] The above-described embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as limiting the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. An active phased array front-end structure that simplifies installation procedures, characterized by: It comprises an antenna (1), a sum-difference device (2), a shell (3), a wave control board card (4), a T / R assembly (5), a fan and baffle assembly (6), a cover plate (7) and an SMP jumper (8). The back of the antenna (1) is provided with a plurality of feed ports. The radio frequency port of the T / R assembly (5) is connected with the feed port of the antenna (1) through an SMP-J connector and an SMP interface, and is pre-fixed to the back of the antenna (1) through M2.5 combination screws. The wave control board card (4) is fixed on the T / R assembly (5) through single-pass copper column welding, the pin thereof is connected with the control interface seat of the T / R assembly (5), and the SMP jumper (8) is reserved to pass through the hole space. The sum-difference device (2) is connected with the antenna (1) through M2.5 combination screws, and the SMP socket thereof is connected with one end of the SMP jumper (8). The shell (3) is positioned and matched with the antenna (1) and is fixed through M3 combination screws, and the shell (3) is internally provided with a heat dissipation protrusion and an air duct structure. The fan and baffle assembly (6) is installed on both sides of the shell (3) and is fixed through countersunk screws. The cover plate (7) is fixed to the shell (3) through countersunk screws, and is used for protecting the SMP jumper (8).

2. The active phased array front-end structure with simplified installation procedure of claim 1, wherein: The radio frequency collection port of the T / R assembly (5) is an optical hole SMP socket, and is matched with a customized flange length connector at one end of the SMP jumper (8).

3. The active phased array front-end structure with simplified installation procedure of claim 1, wherein: When the wave control board card (4) is fixed through copper column welding, the copper column threaded section is ground and shortened, and after welding, the pin is connected with the seat of the T / R assembly (5).

4. The active phased array front-end structure with simplified installation procedure of claim 1, wherein: The shell (3) is installed in cooperation with the antenna (1) through positioning concave holes and positioning protrusions, the shell (3) is provided with heat dissipation teeth and a wiring groove for the SMP jumper (8) to pass through.

5. The active phased array front-end structure with simplified installation procedure of claim 1, wherein: The SMP jumper (8) is respectively provided with a customized flange length connector and an SMP-KFB1 flange connector at two ends, and a section thereof is welded and fixed to the wave control board card (4) through soldering.

6. The active phased array front-end structure with simplified installation procedure of claim 1, wherein: The fan and baffle assembly (6) is powered by the wave control board card (4), the shell (3) is provided with an air inlet and an air outlet to form an air duct, and the fan drives airflow to dissipate heat through the air duct.

7. The active phased array front-end structure with simplified installation procedure of claim 1, wherein: The cover plate (7) is fixed to the shell (3) through 17 countersunk M2.5 screws, and is used for restraining the wiring position of the SMP jumper (8).

8. The active phased array front-end structure with simplified installation procedure of claim 1, wherein: The final fixing of the T / R assembly (5) and the antenna (1) is realized by step-by-step tightening of M2.5 combination screws, and an installation tolerance is reserved when the screws are not completely tightened.

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