Power divider of satellite frequency demultiplier

Abstract

The utility model provides a power divider of a satellite frequency demultiplier, which comprises a bottom shell and a distribution circuit board body, a groove is arranged at the top of the bottom shell, a first partition plate is arranged in the groove, a mounting groove is formed between one side of the first partition plate and the inner wall of the groove, and the distribution circuit board body is arranged in the mounting groove. A plurality of groups of second partition plates are arranged on the other side of the first partition plate, a plurality of groups of isolation cavities are formed among the plurality of groups of second partition plates, an input head is arranged on one side of the bottom shell, a plurality of groups of output heads corresponding to the plurality of groups of isolation cavities are arranged on the other side of the bottom shell, and protection assemblies are arranged on the input head and the plurality of groups of output heads; through the arrangement of the first partition plate and the multiple sets of second partition plates, the multiple isolation cavities are formed in the bottom shell, electromagnetic interference between microstrip lines is effectively avoided, the signal transmission quality is ensured, the accuracy of power distribution is also improved, and reliable guarantee is provided for stable operation of a whole satellite communication system.

Description

Technical Field

[0001] The utility model belongs to the technical field of power dividers, and more specifically, it particularly relates to a power divider for a satellite downconverter. Background Art

[0002] In the fields of modern communication and radio and television, the reception and processing of satellite signals are crucial; a satellite communication system needs to forward high-frequency signals from the ground to the target receiving area on the earth's surface through a repeater. For this purpose, the downconverter device carried by the satellite plays a very important role; first, the high-frequency signals are amplified, mixed, etc., and then the signals are distributed to each antenna unit through a power divider to ensure the efficient operation of the entire communication link.

[0003] For example, the Chinese utility model patent with the patent number 201320143897.4 provides a power divider. The divider is composed of an upper cover, a lower cover, a radio frequency connector, a circuit board and a microstrip line. When in use, the upper cover and the lower cover are cooperatively connected. On both sides of the lower cover, there are respectively multiple groups of radio frequency connectors, and the multiple groups of radio frequency connectors are connected through the circuit board and the microstrip line inside the lower cover; however, the traditional power divider needs to use multiple groups of microstrip lines to connect the multiple groups of radio frequency connectors on both sides, and these microstrip lines are all arranged in a common cavity, and electromagnetic interference will occur between them, resulting in a decrease in the signal transmission quality and affecting the accuracy of power distribution. Summary of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a power divider for a satellite downconverter to solve the technical problems in the prior art that the traditional power divider needs to use multiple groups of microstrip lines to connect the multiple groups of radio frequency connectors on both sides, and these microstrip lines are all arranged in a common cavity, and electromagnetic interference will occur between them, resulting in a decrease in the signal transmission quality and affecting the accuracy of power distribution.

[0005] The purpose and efficacy of the power divider for the satellite downconverter of the utility model are achieved by the following specific technical means:

[0006] A power divider for a satellite downconverter includes a bottom shell and a distribution circuit board body. A groove is formed at the top of the bottom shell. A first partition board is arranged in the groove. An installation groove is formed between one side of the first partition board and the inner wall of the groove. The distribution circuit board body is arranged in the installation groove. Multiple groups of second partition boards are arranged on the other side of the first partition board. Multiple groups of isolation cavities are formed between the multiple groups of second partition boards. An input head is arranged on one side of the bottom shell. Multiple groups of output heads are arranged on the other side of the bottom shell corresponding to the multiple groups of isolation cavities. Protection components are arranged on both the input head and the multiple groups of output heads.

[0007] In a preferred embodiment, a top cover is provided on the top of the bottom case. On one side of the bottom case adjacent to the top cover, a plurality of card seats are respectively provided corresponding to a plurality of groups of the second partition plates, and the top and bottom of the plurality of groups of the second partition plates are respectively clamped on the plurality of card seats.

[0008] In a preferred embodiment, a plurality of fixing seats are respectively provided on both sides of the bottom case, and a plurality of connecting cylinders are correspondingly provided on both sides of the top cover. The plurality of fixing seats and the plurality of connecting cylinders are fixedly connected by a plurality of screws respectively.

[0009] In a preferred embodiment, a through hole is provided on one side of the bottom case, and one end of the input head passes through the through hole and is electrically connected to the distribution circuit board body.

[0010] In a preferred embodiment, a plurality of microstrip lines are respectively provided in a plurality of isolation cavities. One ends of the plurality of microstrip lines are all connected to the distribution circuit board body, and the other ends are respectively connected to a plurality of output heads.

[0011] In a preferred embodiment, the protection component includes a protective cover. The protective cover is provided on one side of the bottom case, and the input head or the output head is located inside the protective cover.

[0012] In a preferred embodiment, a wiring through groove is provided on one side of the protective cover, and a door panel with a rotatable switch is provided at the opening of the wiring through groove.

[0013] In a preferred embodiment, fixing parts for fixing connecting wires are provided on both the input head and the plurality of output heads, and a through groove is correspondingly provided at the top of the protective cover, and a switchable arc-shaped cover is provided in the through groove.

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] 1. Through the arrangement of the first partition plate and the plurality of second partition plates, when using the distributor, a plurality of isolation cavities are formed in the bottom case, and the plurality of microstrip lines are respectively placed in different isolation cavities, effectively avoiding electromagnetic interference between the microstrip lines; this not only ensures the signal transmission quality, but also improves the accuracy of power distribution, providing a reliable guarantee for the stable operation of the entire satellite communication system.

[0016] 2. Through the arrangement of the protection component, when using the distributor, good protection is provided for the input head and the output head. The protective cover can prevent external objects from damaging them. At the same time, the rotatable switch door panel at the wiring through groove and the switchable arc-shaped cover in the through groove facilitate the access and management of the connecting wires, and to a certain extent enhance the protection of the connection part, ensure the reliability of signal transmission, and extend the service life of the distributor. Description of the Drawings

[0017] Figure 1 This is a schematic structural diagram of the power divider of the satellite downconverter of the present utility model;

[0018] Figure 2 This is an exploded view of the power divider of the satellite downconverter of the present utility model;

[0019] Figure 3 This is a schematic structural diagram of the assembled protection component in the power divider of the satellite downconverter of the present utility model;

[0020] Figure 4 is Figure 3 a schematic structural diagram after disassembly;

[0021] Figure 5 This is a schematic structural diagram of the disassembly of the second partition board and the card seat in the power divider of the satellite downconverter of the present utility model.

[0022] In the figure, the corresponding relationship between the component names and the drawing reference numbers is as follows:

[0023] 11. Bottom case; 12. Distribution circuit board body; 13. First partition board; 14. Installation groove; 15. Second partition board; 16. Isolation cavity; 17. Input head; 18. Output head; 19. Top cover; 20. Card seat; 21. Fixed seat; 22. Connection cylinder; 23. Microstrip line; 24. Fixing member; 31. Protective cover; 32. Wiring through groove; 33. Door panel; 34. Arc cover. Detailed implementation manners

[0024] The following further describes the implementation manners of the present utility model in detail with reference to the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0025] Embodiment:

[0026] As shown in the attached Figure 1 to the attached Figure 5 figures:

[0027] The utility model provides a power divider for a satellite downconverter, which comprises a bottom case 11 and a distribution circuit board body 12. First, a groove is formed at the top of the bottom case 11, and a first partition board 13 is arranged in this groove. An installation groove 14 is formed between one side of the first partition board 13 and the inner wall of the groove. The distribution circuit board body 12 is placed in the installation groove 14, realizing the effective fixation of the distribution circuit board body 12, and also isolating other electronic components to a certain extent to prevent the generation of electromagnetic interference. On the other side of the first partition board 13, a plurality of groups of second partition boards 15 are arranged, and a plurality of groups of isolation cavities 16 are formed between them. At the same time, an input head 17 is arranged on one side of the bottom case 11, and a plurality of groups of output heads 18 are arranged corresponding to the plurality of groups of isolation cavities 16 on the other side. In addition, protective components are arranged on both the input head 17 and the plurality of groups of output heads 18, further enhancing the anti-interference ability of the device in a harsh environment and providing a reliable guarantee for the stable operation of the satellite communication system.

[0028] Please refer to as Figure 2 and Figure 5 shown, a top cover 19 is arranged at the top of the bottom case 11, which can not only play a protective role but also enhance the overall sealing performance. On one side of the bottom case 11 adjacent to the top cover 19, a plurality of groups of card seats 20 are respectively arranged corresponding to the plurality of groups of second partition boards 15. These card seats 20 can firmly clamp the top and bottom of the plurality of groups of second partition boards 15 to ensure the stability of their positions, thereby further enhancing the isolation effect between the isolation cavities 16.

[0029] Please refer to as Figure 2 and Figure 5 shown, a plurality of groups of fixing seats 21 are respectively arranged on both sides of the bottom case 11. At the same time, a plurality of groups of connecting cylinders 22 are also correspondingly arranged on both sides of the top cover 19. During final assembly, the plurality of groups of fixing seats 21 and the plurality of groups of connecting cylinders 22 are fixedly connected together through a plurality of groups of screws. Through bolt connection, not only the bottom case 11 and the top cover 19 are firmly fixed together reliably, but also the overall anti-impact and anti-vibration performance is enhanced, further improving the service life of the device in a harsh environment. When it is necessary to open or disassemble the entire power divider, only these connecting bolts need to be removed, and the bottom case 11 and the top cover 19 can be easily separated, facilitating the inspection and maintenance of the internal structure.

[0030] Please refer to as Figure 2 shown, a through hole is formed on one side of the bottom case 11. One end of the input head 17 passes through the through hole and is electrically connected to the distribution circuit board body 12, which can ensure the reliable transmission of input signals and is also more convenient in actual installation and maintenance.

[0031] Please refer to as Figure 2 and Figure 5As shown in the figure, a plurality of groups of microstrip lines 23 are respectively arranged inside the plurality of isolation cavities 16. Placing these microstrip lines 23 inside different isolation cavities 16 not only effectively avoids the possible electromagnetic interference between the microstrip lines 23, but also ensures the quality and accuracy of the signal during transmission. One end of each of the plurality of groups of microstrip lines 23 is connected to the distribution circuit board body 12, and the other ends are respectively connected to a plurality of output heads 18, making full use of the advantages of the microstrip lines 23. It can not only quickly and efficiently distribute the input signal to each output end, but also ensure the accuracy of the distribution process to the greatest extent. After all, the elimination of electromagnetic interference means that the power distribution process is more stable and reliable, thus providing a strong guarantee for the safe operation of the entire satellite communication system.

[0032] Please refer to as Figure 3 and Figure 4 As shown in the figure, the protection component includes a protective cover 31. A protective cover 31 is provided on one side of the bottom case 11, and the input head 17 or the output head 18 is located inside the protective cover 31, providing good protection for the input head 17 and the output head 18, and effectively preventing potential damage to them caused by external objects. Whether in a harsh external environment or various complex working conditions, the input head 17 and the output head 18 can be reliably protected from various accidental factors.

[0033] Please refer to as Figure 2 、 Figure 3 and Figure 4 As shown in the figure, a wiring through groove 32 is provided on one side of the protective cover 31, and a door panel 33 with a rotatable switch is provided at the opening of the wiring through groove 32. It not only facilitates the user to access and manage the connection wires, but also enhances the protection of the connection part to a certain extent, ensures the reliability of signal transmission, and extends the service life of the distributor. At the same time, fixing parts 24 for fixing the connection wires are provided on the input head 17 and each of the plurality of output heads 18, and through grooves are correspondingly provided at the top of the protective cover 31, and an arc-shaped cover 34 that can be opened and closed is provided inside the through grooves, further optimizing the wiring direction of the connection wires, avoiding the problems of messy and damaged cables, and making the entire distributor have a more tidy and beautiful appearance.

[0034] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles of the present invention and its practical applications, and to enable those of ordinary skill in the art to understand the present invention and thus design various embodiments with various modifications suitable for specific purposes.

Claims

1. A power distributor for a satellite downconverter, comprising a bottom case (11) and a distribution circuit board body (12), characterized in that: A groove is formed at the top of the bottom case (11). A first partition plate (13) is arranged in the groove. An installation groove (14) is formed between one side of the first partition plate (13) and the inner wall of the groove. The distribution circuit board body (12) is arranged in the installation groove (14). A plurality of groups of second partition plates (15) are arranged on the other side of the first partition plate (13). A plurality of isolation chambers (16) are formed between the plurality of groups of second partition plates (15). An input head (17) is arranged on one side of the bottom case (11). A plurality of output heads (18) are arranged on the other side of the bottom case (11) corresponding to the plurality of isolation chambers (16). Protective components are arranged on both the input head (17) and the plurality of output heads (18).

2. The power distributor of the satellite downconverter according to claim 1, characterized in that: A top cover (19) is arranged at the top of the bottom case (11). A plurality of card seats (20) are respectively arranged on one side of the bottom case (11) adjacent to the top cover (19) corresponding to the plurality of groups of second partition plates (15). The tops and bottoms of the plurality of groups of second partition plates (15) are respectively clamped on the plurality of card seats (20).

3. The power distributor of the satellite downconverter according to claim 2, characterized in that: A plurality of fixing seats (21) are respectively arranged on both sides of the bottom case (11). A plurality of connecting cylinders (22) are correspondingly arranged on both sides of the top cover (19). The plurality of fixing seats (21) and the plurality of connecting cylinders (22) are fixedly connected by a plurality of screws respectively.

4. The power distributor of the satellite downconverter according to claim 1, characterized in that: A through hole is formed on one side of the bottom case (11). One end of the input head (17) passes through the through hole and is electrically connected to the distribution circuit board body (12).

5. The power distributor of the satellite downconverter according to claim 4, characterized in that: A plurality of microstrip lines (23) are respectively arranged in the plurality of isolation chambers (16). One ends of the plurality of microstrip lines (23) are all connected to the distribution circuit board body (12), and the other ends are respectively connected to the plurality of output heads (18).

6. The power distributor of the satellite downconverter according to claim 1, characterized in that: The protective component includes a protective cover (31). The protective cover (31) is arranged on one side of the bottom case (11). The input head (17) or the output head (18) is located in the protective cover (31).

7. The power distributor of the satellite downconverter according to claim 6, characterized in that: A wiring through groove (32) is formed on one side of the protective cover (31). A door panel (33) with a rotatable switch is arranged at the opening of the wiring through groove (32).

8. The power distributor of the satellite downconverter according to claim 7, characterized in that: Fixing members (24) for fixing connecting wires are arranged on both the input head (17) and the plurality of output heads (18). A through groove is correspondingly formed at the top of the protective cover (31). An arc-shaped cover (34) that can be opened and closed is arranged in the through groove.

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