CN215818201U - High-density integrated board card type 32 x 16 matrix based on L frequency band - Google Patents
High-density integrated board card type 32 x 16 matrix based on L frequency band Download PDFInfo
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- CN215818201U CN215818201U CN202121937571.XU CN202121937571U CN215818201U CN 215818201 U CN215818201 U CN 215818201U CN 202121937571 U CN202121937571 U CN 202121937571U CN 215818201 U CN215818201 U CN 215818201U
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Abstract
The utility model discloses a high-density integrated board card type 32 x 16 matrix based on an L frequency band, which comprises a power layer, a control unit and a switch layer which are sequentially stacked; the power division layer comprises a power division printed board, a plurality of power division units are integrally arranged on the power division printed board, each power division unit comprises an amplifier and 32 1-division 16 power division modules, each 1-division 16 power division module is used for dividing 1 path of input signals into 16 paths of equal or unequal signals, the amplifier and the 1-division 16 power division module are connected with a switch layer and comprise a switch printed board, a plurality of switch units are integrally arranged on the switch printed board, each switch unit comprises a plurality of 16-to-1 switches, and the 16-to-1 switches are used for selecting 1 path of 16 paths of equal or different signals to output; the power dividing unit and the switch unit are connected through a radio frequency insulator. The device reduces the thickness of the module, greatly compresses the volume required by the functional module and saves a large amount of production cost.
Description
Technical Field
The utility model relates to the technical field of radio frequency, in particular to a high-density integrated board card type 32 x 16 matrix based on an L frequency band.
Background
With the rapid development of military satellite communication, higher concealment is required when a military satellite communication system is built, and higher requirements on weight and volume of internal component equipment of the system are provided. Larger scale programmable switching matrices can provide a greater number of transmission switching channels, with the problem of a large increase in volume and weight. For large-scale switching matrices, how to ensure that the size and weight of the equipment are reduced as much as possible without affecting the overall functionality and performance criteria has become an important issue that must be addressed in military satellite communication systems.
The traditional matrix design adopts a module cascading mode for splicing, the method can ensure better indexes when a medium-small-scale matrix is designed, but is limited by the number of channels when a large-scale matrix is designed, the large-scale matrix has huge volume and weight and is inconvenient to install and transport, and the existing large-scale card-inserting type matrix still has a method which can not effectively solve the problems of volume and weight, and the main reason is that the size and the weight of a board card are too large.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a high-density integrated board card type 32 x 16 matrix based on an L frequency band, and solves the problem that the size and the weight of the existing board card matrix are too large.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:
the high-density integrated board card type 32 x 16 matrix based on the L frequency band comprises a power layer, a control unit and a switch layer which are sequentially stacked;
the power division layer comprises a power division printed board, a plurality of power division units are integrally arranged on the power division printed board, each power division unit comprises an amplifier and 32 1-division 16 power division modules, each 1-division 16 power division module is used for dividing 1 path of input signals into 16 paths of equal or unequal signals, the amplifier and the 1-division 16 power division module are connected with a switch layer and comprise a switch printed board, a plurality of switch units are integrally arranged on the switch printed board, each switch unit comprises a plurality of 16-to-1 switches, and the 16-to-1 switches are used for selecting 1 path of 16 paths of equal or different signals to output;
the power dividing unit is connected with the switch unit through a radio frequency insulator;
the control unit is used for controlling the operation of the power division module and the switch module in the high-density integrated board card type 32 multiplied by 16 matrix based on the L frequency band.
The power distribution module and the switch module are connected through the radio frequency insulator, the size of the board card is reduced, and the control unit is arranged in the matrix and used for controlling the power distribution module and the switch module in the matrix to operate.
Further, the 1-division-16 power division module comprises a plurality of 1-division-2 power division sub-modules, the 1-division-2 power division sub-modules are cascaded to form the 1-division-16 power division module, the 1-division-2 power division sub-modules are divided into four levels, and the 1-division-2 power division sub-modules included in each level are connected with each other.
Furthermore, the control unit comprises a plurality of CPLD chips, and the control unit controls the operation of the power division module and the switch module in the L-band-based high-density integrated board card type 32 multiplied by 16 matrix through the plurality of CPLD chips.
Further, the amplifier and the 1-out-of-16 switch are electrically connected with the driving circuit.
The driving circuit is used for providing power for the amplifier and controlling the on-off of the switch, and finally channel selection is achieved.
Further, the length of the power division printed board is 425mm, the width is 25mm, and the thickness is 9.5 mm.
Further, the switch printed board has a length of 423mm, a width of 327mm, and a thickness of 9.5 mm.
Further, the length of the whole body after the connection of the functional layer and the switch layer is 431.5mm, the width is 335.5mm, and the thickness is 38.5 mm.
The utility model has the beneficial effects that: the power dividing unit and the switch unit are connected through the radio frequency insulator, so that the thickness of the module is reduced, the volume required by the functional module is greatly reduced, and a large amount of production cost is saved.
Drawings
Fig. 1 is a schematic cross-sectional view of a high-density integrated board card type 32 × 16 matrix based on an L-band.
Fig. 2 is a schematic diagram of a power division module of a high-density integrated board card type 32 × 16 matrix based on an L-band.
Fig. 3 is a schematic diagram of a high-density integrated board card type 32 × 16 matrix switch based on the L-band.
Fig. 4 is a schematic diagram of a high-density integrated board card type 32 × 16 matrix principle based on the L-band.
Fig. 5 is a schematic diagram of a high-density integrated board card type 32 × 16 matrix control unit based on an L-band.
Fig. 6 is a schematic diagram of a high-density integrated board card type 32 × 16 matrix based on the L-band.
Wherein, 1, a power division printed board; 2. a power division unit; 3. a switch printed board; 4. a switch unit; 5. a radio frequency insulator; 6. layering; 7. a switching layer; 8. a control unit, 9; a power division module; 10. a switch module; 11. a CPLD chip; 12. a drive circuit; 13. an amplifier.
Detailed Description
The embodiments of the present invention are described so as to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all matters produced by the utility model using the inventive concept are protected.
As shown in fig. 1, the present invention provides an L-band-based high-density integrated board card type 32 × 16 matrix, which includes:
the power division layer 6 is provided with a power division printed board 1, the power division printed board 1 is provided with a plurality of power division units 2 in an integrated mode, and each power division unit 2 comprises 32 1-to-16 power division modules and an amplifier 13.
The power division unit 2 is divided into 32 1-to-16 power division modules, the length of the power division printed board 1 is 425mm, the width of the power division printed board is 25mm, the thickness of the power division printed board is 9.5mm, and the 1-to-16 power division modules are used for dividing 1 path of input signals into 16 paths of equal or unequal signals.
The amplifier 13 has the characteristics of low noise and high gain, meets the requirements of channel consistency, standing wave and channel flatness, has small signal loss, and increases the isolation between different channels of signals.
Set up switch printed board 3 on the switch layer 7, integrated setting up a plurality of switch unit 4 on switch printed board 3, switch unit 4 includes 16 select 1 switches of a plurality of.
All internal devices are integrated on the switch printed board 3 by the switch unit 4, the length of the switch printed board 3 is 423mm, the width is 327mm, the thickness is 9.5mm, and the 16-selected-1 switch is used for selecting 1 path of 16 paths of same or different signals to output.
The 1-out switches of the amplifiers 13 and 16 are electrically connected with the driving circuit 12.
The driver circuit 12 functions to power the amplifier 13 and to control the switching of the 1-out-of-16 switch.
The power distribution unit 2 is connected with the switch unit 4 through the radio frequency insulator 5 and used for compressing the size of the board card, so that the purpose of compressing the size of the board card to be smaller than 1U of the case is achieved.
The high-density integrated board card type 32 x 16 matrix based on the L frequency band also comprises a control unit 8, the control unit 8 uses a plurality of field programmable gate array CPLD chips 11 to control the work operation of the internal power division module 9 and the switch module 10, in the utility model, preferably 4 CPLD chips 11 are used for control, and a serial bus is adopted for communication; the operator can connect the CPLD chip 11 with the internal switch module 10 through an editable connection according to actual needs, so that the switch module 10 has high response speed.
The 1-division-16 power division module comprises a plurality of 1-division-2 power division sub-modules, the 1-division-2 power division sub-modules are cascaded to form the 1-division-16 power division module, the 1-division-2 power division sub-modules are divided into four levels, the 1-division-2 power division sub-modules included at each level are mutually connected, and the 1-division-16 power division module is electrically connected with the driving circuit.
In order to reduce the width of the power dividing unit 2, the J30J connectors responsible for power supply and control are selected to be placed on the side face, the input connectors are embedded in the cavity, and the radio frequency cable is selected to be routed from the cavity, so that the width dimension caused by the connectors and the radio frequency cable is avoided.
This scheme is through inside reasonable components and parts and walk the line overall arrangement, the width of compression printing board, meanwhile, the inside part of cavity is hollowed, and inside sets up the drive plate, and the drive plate back-off is in the cavity, sets up control chip on the drive plate and place in the cavity region of hollowing out, reduces the thickness that the module was divided to the merit, and the whole width of module is divided to the merit is 25 mm.
A32X 16-scale matrix device is realized in a volume of a 1U cabinet without considering an external connector, and the whole card has the length of 431.5mm, the width of 335.5mm and the thickness of 38.5 mm.
Under the condition of ensuring that the indexes are less influenced, a connector between the switch module 10 and the power dividing module 9 is cancelled, the radio frequency insulator 5 is used for direct connection, the thickness of the whole plate card type matrix is reduced to a certain extent, and meanwhile, a large amount of production cost is saved.
Compare in current integrated circuit board, this utility model has bigger scale and littleer volume and weight, has reduced the volume and the weight of complete machine to a very big extent.
This scheme is based on L frequency channel's high density integrated board card formula 32X 16 matrix, and its theory of operation is:
the driving circuit 12 switches on the switch and provides power for the amplifier 13, after the input end signal is subjected to gain adjustment through the amplifier 13, the adjusted signal enters the power division unit 2 of the power division layer 6, 1-path input 16-path output is realized through 1-path 16-path power division modules in the power division unit 2, the output signal enters the switch unit 4 of the switch layer 7, and the signal output by the 1-path 16-path power division modules is received through 16-of-16 switches in the switch unit 4 for output.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (7)
1. A high-density integrated board card type 32 x 16 matrix based on an L frequency band is characterized by comprising a power layer (6), a control unit (8) and a switch layer (7) which are sequentially stacked;
the power division layer (6) comprises a power division printed board (1), a plurality of power division units (2) are integrated on the power division printed board (1), each power division unit (2) comprises an amplifier (13) and 32 1-to-16 power division modules, each 1-to-16 power division module is used for dividing 1 path of input signals into 16 paths of equal or unequal signals, and the amplifier (13) is connected with the 1-to-16 power division modules;
the switch layer (7) comprises a switch printed board (3), a plurality of switch units (4) are integrally arranged on the switch printed board (3), each switch unit (4) comprises a plurality of 16-to-1 switches, and the 16-to-1 switches are used for selecting 1 path of 16 paths of identical or different signals for output;
the power distribution unit (2) is connected with the switch unit (4) through a radio frequency insulator (5);
the control unit (8) is used for controlling the operation of the power division module (9) and the switch module (10) in the high-density integrated board card type 32 multiplied by 16 matrix based on the L frequency band.
2. The L-band-based high-density integrated board card type 32 x 16 matrix as claimed in claim 1, wherein: the 1-division-16 power division module comprises a plurality of 1-division-2 power division sub-modules, the 1-division-2 power division sub-modules are cascaded to form the 1-division-16 power division module, the 1-division-2 power division sub-modules are divided into four levels, and the 1-division-2 power division sub-modules included in each level are in signal connection with each other.
3. The L-band-based high-density integrated board card type 32 x 16 matrix as claimed in claim 1, wherein: the control unit (8) comprises a plurality of CPLD chips (11), and the control unit (8) controls the operation of the power distribution module (9) and the switch module (10) in the high-density integrated board card type 32 x 16 matrix based on the L frequency band through the CPLD chips (11).
4. The L-band-based high-density integrated board card type 32 x 16 matrix as claimed in claim 1, wherein: the amplifier (13) and the 1-out-of-16 switch are electrically connected with the driving circuit (12).
5. The L-band-based high-density integrated board card type 32 x 16 matrix as claimed in claim 1, wherein: the length of the power division printed board (1) is 425mm, the width is 25mm, and the thickness is 9.5 mm.
6. The L-band-based high-density integrated board card type 32 x 16 matrix as claimed in claim 1, wherein: the switch printed board (3) is 423mm in length, 327mm in width and 9.5mm in thickness.
7. The L-band-based high-density integrated board card type 32 x 16 matrix as claimed in claim 1, wherein: the power split layer (6) and the switch layer (7) are connected to form a whole, wherein the length is 431.5mm, the width is 335.5mm, and the thickness is 38.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121937571.XU CN215818201U (en) | 2021-08-18 | 2021-08-18 | High-density integrated board card type 32 x 16 matrix based on L frequency band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121937571.XU CN215818201U (en) | 2021-08-18 | 2021-08-18 | High-density integrated board card type 32 x 16 matrix based on L frequency band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215818201U true CN215818201U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121937571.XU Active CN215818201U (en) | 2021-08-18 | 2021-08-18 | High-density integrated board card type 32 x 16 matrix based on L frequency band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215818201U (en) |
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2021
- 2021-08-18 CN CN202121937571.XU patent/CN215818201U/en active Active
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