CN218336005U - S-band 48-channel tile-type integrated digital receiving device - Google Patents
S-band 48-channel tile-type integrated digital receiving device Download PDFInfo
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- CN218336005U CN218336005U CN202221875743.XU CN202221875743U CN218336005U CN 218336005 U CN218336005 U CN 218336005U CN 202221875743 U CN202221875743 U CN 202221875743U CN 218336005 U CN218336005 U CN 218336005U
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Abstract
The utility model provides a48 passageway tile formula integration digital receiving arrangement of S frequency channel, including casing, setting at housing face' S radio frequency input interface, intermediate frequency output interface, local oscillator interface, power source and setting at the inside radio frequency filter front end module, the frequency conversion module of electricity connection of casing, the integrated structure box body that is for coupler and radio frequency amplifier of whole passive cavity filter, the range upon range of setting of radio frequency filter front end module and frequency conversion module is tile structure. The utility model discloses a tile formula integrated design has promoted functional density, has shortened the interconnection length between antenna, active component, the DBF handles, has solved the problem that large-scale battle array face inner space is nervous, electromagnetic compatibility is complicated, the structure weight requirement is harsh, have the technical characterstic that the passageway uniformity is high, miniaturized multichannel, zero debugging, low cost, easy batch production, this subassembly compact structure can regard as standard module for large-scale DBF phased array system group battle array is nimble, and reconfigurability is strong.
Description
Technical Field
The utility model relates to an electric communication technology field, concretely relates to 48 passageway tile formula integration digital receiving device of S frequency channel.
Background
The multi-beam measurement and control system adopts a large-scale digital multi-beam phased array antenna, and a single station can realize simultaneous measurement and control of dozens of targets randomly distributed in the whole airspace range, so that the multi-beam multi-emission simultaneous measurement and control system not only can meet the measurement and control task requirements of multi-type missiles, but also can adapt to the development trend of future measurement and control networking, realizes random access as required, and represents the development direction of new-generation satellite measurement and control equipment.
The digital multi-beam phased array core device is used as a digital multi-beam component, the technical attack of miniaturization, integration, multichannel, integration and reconfigurable technology of the digital multi-beam phased array core device is developed, the digital multi-beam phased array core device is oriented to the core foundation fields of the front-edge technology, advanced packaging technology, microsystem, process collaborative research and development, intelligent manufacturing technology and the like, the professional development directions of new technology, new system, new trend and the like are combined with the research foundation at home and abroad, modularization is integrated as a design main line, the design complexity is reduced, the types and the number of interfaces are reduced, the reliability of the device is improved, the future modularization, standardization and the use requirements of splicing of a large-scale phased array are facilitated, and the requirements of miniaturization and flexibility of the whole array are met.
Disclosure of Invention
The utility model relates to a solve large-scale ground phased array system compact structure, piece together the battle array height and be limited, and the weight requirement is harsh, a difficult problem such as the reduction system servo drive degree of difficulty, it is not high to present multichannel digital receiving component integrated level, multiple functional component stands separately, the condition such as system integration complicacy, an S frequency channel 48 passageway tile formula integration digital receiving device is provided, through the integrated design of tile formula, with independent passive cavity filter originally, the radio frequency front end, frequency conversion subassembly, parts such as calibration and local oscillator merit divide network and DBF signal keysets, through the integrated an organic whole of microwave multilayer composite substrate, functional density has been promoted, the antenna has been shortened, active assembly, interconnection length between the DBF handles. The problems of tense internal space of a large array surface, complex electromagnetic compatibility and strict structural weight requirement are solved, and the method has the technical characteristics of high channel consistency, miniaturization, multi-channel, zero debugging, low cost and easiness in batch production. The module has a compact structure, can be used as a standard module, and enables a large DBF phased array system to be flexible in array and strong in reconfigurability.
The utility model provides a tile-type integrated digital receiving device with an S-band 48-channel, which comprises a shell, a radio frequency input interface, an intermediate frequency output interface, a local oscillator interface and a power interface which are arranged on the surface of the shell, and a radio frequency filtering front-end module and a frequency conversion module which are electrically connected in the shell, wherein the number of the radio frequency input interface, the intermediate frequency output interface, the radio frequency filtering front-end module and the frequency conversion module is at least two;
the radio frequency filtering front-end module comprises a coupler, a passive cavity filter and a radio frequency amplifier which are electrically connected;
the frequency conversion module comprises a mixer and an intermediate frequency amplifier which are electrically connected;
the radio frequency input interface is electrically connected with the coupler, the radio frequency amplifier is electrically connected with the frequency mixer, and the intermediate frequency amplifier is electrically connected with the intermediate frequency output interface;
all passive cavity filters are integrated into a structural box body of the coupler and the radio frequency amplifier;
the radio frequency filtering front-end module and the frequency conversion module are stacked to form a tile structure.
A48 passageway tile formula integration digital receiving device of S frequency channel, as preferred mode, the inside silvering of structure box body, the surface carries out electrically conductive oxidation.
A48 passageway tile formula integration digital receiving arrangement of S frequency channel, as preferred mode, still including setting up the inside interconnection interface between radio frequency filter front end module and frequency conversion module.
A48 passageway tile formula integration digital receiving arrangement of S frequency channel, as preferred mode, every radio frequency filter front end module, frequency conversion module are isometric structure such as looks.
The utility model discloses a48 passageway tile formula integration digital receiving arrangement of S frequency channel, as preferred mode, still include that one end is connected with frequency conversion module electricity, the other end divides the network with the digital processing switching merit that the intermediate frequency output interface electricity is connected, the local oscillator merit that one end is connected with local oscillator interface electricity, the other end is connected with the mixer electricity divides the network, the calibration interface that sets up on the casing surface divides the network with the calibration merit that one end is connected with calibration interface electricity, the other end is connected with radio frequency filter front end module electricity;
the microwave multi-layer composite substrate comprises a passive cavity filter, a radio frequency amplifier, a frequency conversion module, a digital processing switching power distribution network, a calibration power distribution network and a local oscillator power distribution network.
A48 passageway tile formula integration digital receiving device of S frequency channel, as preferred mode, radio frequency input interface, intermediate frequency output interface, local oscillator interface, power source and calibration interface are and insert the type connector soon.
The utility model relates to an S-band 48-channel tile-type integrated digital receiving device, as an optimal mode, the number of radio frequency input interfaces, intermediate frequency output interfaces, radio frequency filter front-end modules and frequency conversion modules is 48; the power interface, the local oscillator power distribution network and the calibration power distribution network are all divided into 48 paths.
A48 passageway tile formula integration digital receiving arrangement of S frequency channel, as preferred mode, the casing includes the harmonious apron the same with radio frequency filtering front end module quantity, harmonious apron size is the same.
A48 passageway tile formula integration digital receiving arrangement of S frequency channel, as preferred mode, still including evenly setting up two at least temperature collection wares inside the casing.
The utility model relates to an S-band 48-channel tile-type integrated digital receiving device, as an optimal mode, a radio frequency input interface, a medium frequency output interface and an internal interconnection interface are all in blind-mate interconnection;
all printed board surfaces were coated with a three-proofing paint.
The technical solution of the utility model is that:
the module adopts the integrated design of a passive cavity filter, a radio frequency front end and a frequency conversion module, has the functions of time-sharing work of different radio frequency bands and output of intermediate frequency signals which are fixed bandwidth intermediate frequency signals all the time, filters, amplifies and mixes incoming wave signals and outputs the incoming wave signals to 48 paths of intermediate frequency signals for data processing, and has the function of gain adjustment.
The internal circuits of the receiving component are all designed in equal phase and equal length, and comprise 48 paths of radio frequency amplification and frequency conversion links, a one-path 48-path calibration power distribution network and a one-path 48-path local oscillator power distribution network, so that the amplitude and phase consistency and stability of signals of each path are ensured.
In order to meet the requirements of weight reduction and integrated design, the assembly adopts a 48-channel circuit board full-page design, is different from the design of a traditional structure cavity dividing and equal division printed board, can meet the consistency of circuit performance parameters by adopting the whole design, and can meet the batch performance and manufacturability of an electric fitting process while ensuring the amplitude-phase consistency. Through the flexible and independent metal partition cavity technology, the structure processing difficulty is reduced, independent cavity division among different channels can be realized, and the requirement of the isolation degree among the system channels is met.
The utility model relates to a48 passageway tile formula integration digital receiving component of S frequency channel based on digital multi-beam system is applicable to large-scale digital multi-beam (DBF) active phased array system, especially to the on-vehicle large-scale ground S frequency channel satellite communication system of observing and controling that requires higher such as integration, miniaturization, high integration, high reliability.
The utility model has the advantages of it is following:
(1) The utility model discloses a passive cavity filter and the integrated design of subassembly structural circuit, regard the structure box body of the active subassembly of radio frequency with passive cavity filter's structure body, 48 passageway cavity filter structure integrated into one piece have both realized the high Q value narrowband filtering of incoming wave signal, have realized the integrated design of structural filtering again. Compared with the traditional design, the weight is reduced by 40 percent, and the volume is reduced by 35 percent.
(2) The utility model discloses a tile formula laminated structure realizes the perpendicular integration of many functional unit such as passive cavity filter, radio frequency active circuit, merit branch network, frequency conversion active power supply, with the help of advanced packaging technology and microwave multilayer composite substrate, realizes reducing by a wide margin of the vertical volume of subassembly.
(3) The utility model discloses the surface treatment process is advanced, and the inside silver-plating technology that adopts of passive cavity filter guarantees the high Q high outband rejection performance of wave filter, and the structural surface adopts traditional electrically conductive oxidation technology, and the printing plate surface adopts the coating of three proofings lacquer, realizes corrosion-resistant three proofings performances such as mould of preventing under the high temperature and high humidity environment.
(4) The utility model discloses subassembly structure and the heat dissipation integrated design of system liquid cooling, each partial evenly distributed temperature collector of subassembly can report subassembly real-time temperature in real time, the system monitoring and the data processing of being convenient for.
(5) The utility model discloses a48 way collection processing who receives the signal, all passageways and module adopt the modular design theory, the unification has been proposed, standardized unit subassembly design standard, active circuit topological structure in every antenna element is unanimous, satisfy the system width of cloth uniformity demand, can form 4, 16 ways, 64 ways, 18 ways, the concatenation module of multiple different structural style such as 20 ways, possess restructural and repeatability, the type of the system of being convenient for is spectral, can promote large-scale phased array system's development cycle fast.
(6) The utility model discloses interfaces such as all radio frequencies, intermediate frequency, power adopt the blind plug interconnection, solve phased array system "no cable" demand and the quick plug of T/R subassembly, short-term test, the difficult problem of quick maintenance. In order to realize the accurate interconnection and the reliable insertion of 48 passageways, the component structure is provided with a guide structure, and the positioning, the guiding and the interconnection can be realized quickly, stably, accurately and undamaged.
The digital receiving assembly is used as a core component of a large-scale ground digital phased array, and the cost, the producibility and the system performance of the whole system are determined. The design and implementation form of the digital receiving assembly has the characteristics of miniaturization, high integration degree, low cost, full-automatic production and the like, and the reconfigurable design of the receiving assembly is the premise and the basis of ground large-scale digital phased array delivery and batch production.
Drawings
Fig. 1 is a schematic diagram of an S-band 48-channel tile-type integrated digital receiving device;
FIG. 2 is a "tile-type" structure model diagram of an S-band 48-channel tile-type integrated digital receiving device;
FIG. 3 is a model diagram of an integrated cavity filter of an S-band 48-channel tile-type integrated digital receiving device;
fig. 4a is a schematic diagram of an intermediate frequency external interface of an S-band 48-channel tile-type integrated digital receiving device;
fig. 4b is a schematic diagram of an S-band 48-channel tile-type integrated digital receiving device radio frequency external interface.
Reference numerals:
1. a housing; 2. a radio frequency input interface; 3. an intermediate frequency output interface; 4. a local oscillation interface; 5. a power interface; 6. a radio frequency filtering front-end module; 61. a coupler; 62. a passive cavity filter; 63. a radio frequency front end component; 7. a frequency conversion module; 71. a mixer; 72. an intermediate frequency amplifier; 8. an internal interconnection interface; 9. the digital processing is switched to the power distribution network; 10. local oscillation power distribution network; 11. calibrating the interface; 12. and calibrating the power division network.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
As shown in fig. 1 to 4, an S-band 48-channel tile-type integrated digital receiving apparatus includes a housing 1, a radio frequency input interface 2, an intermediate frequency output interface 3, a local oscillator interface 4, a power interface 5, a radio frequency filtering front-end module 6 and a frequency conversion module 7, which are disposed on the surface of the housing 1 and electrically connected to each other, a digital processing switching power distribution network 9, one end of which is electrically connected to the frequency conversion module 7 and the other end of which is electrically connected to the intermediate frequency output interface 3, a local oscillator power distribution network 10, one end of which is electrically connected to the local oscillator interface 4 and the other end of which is electrically connected to a mixer 71, a calibration interface 11 disposed on the surface of the housing 1, a calibration power distribution network 12, one end of which is electrically connected to the calibration interface 11 and the other end of which is electrically connected to the radio frequency filtering front-end module 6, and at least two temperature collectors uniformly disposed inside the housing 1;
the number of the radio frequency input interface 2, the intermediate frequency output interface 3, the radio frequency filter front-end module 6 and the frequency conversion module 7 is at least two;
the radio frequency filtering front-end module 6 comprises a coupler 61, a passive cavity filter 62 and a radio frequency amplifier 63 which are electrically connected;
the frequency conversion module 7 comprises a mixer 71 and an intermediate frequency amplifier 72 which are electrically connected;
the radio frequency input interface 2 is electrically connected with the coupler 61, the radio frequency amplifier 63 is electrically connected with the mixer 71, and the intermediate frequency amplifier 72 is electrically connected with the intermediate frequency output interface 3;
all passive cavity filters 62 are integrated into a structural box body of the coupler 61 and the radio frequency amplifier 63, silver is plated inside the structural box body, and conductive oxidation is carried out on the surface of the structural box body;
the radio frequency filtering front-end module 6 and the frequency conversion module 7 are arranged in a tile structure in a stacking mode;
the radio frequency filter further comprises an internal interconnection interface 8 arranged between the radio frequency filter front-end module 6 and the frequency conversion module 7;
each radio frequency filtering front-end module 6 and the frequency conversion module 7 are of equal-phase and equal-length structures;
the microwave multi-layer composite substrate is integrated by a passive cavity filter 62, a radio frequency amplifier 63, a frequency conversion module 7, a digital processing switching power distribution network 9, a calibration power distribution network 12 and a local oscillation power distribution network 10;
the radio frequency input interface 2, the intermediate frequency output interface 3, the local oscillator interface 4, the power interface 5 and the calibration interface 11 are all fast-plugging connectors;
the number of the radio frequency input interface 2, the number of the intermediate frequency output interface 3, the number of the radio frequency filter front-end module 6 and the number of the frequency conversion module 7 are all 48; the power interface 5, the local oscillator power distribution network 10 and the calibration power distribution network 12 are all divided into 48 paths;
the shell 1 comprises tuning cover plates with the same number as the radio frequency filter front-end modules 6, and the tuning cover plates are the same in size;
the radio frequency input interface 2, the intermediate frequency output interface 3 and the internal interconnection interface 8 are all in blind-mate interconnection;
all the surfaces of the printed boards are coated with three-proofing paint.
Example 2
As shown in fig. 1 to 4, an S-band 48-channel tile-type integrated digital receiving device;
as shown in fig. 1, it can be known that the S-band 48-channel tile-type integrated digital receiving component includes 48 digital components with identical links, and each link includes a rf front-end filtering section, a signal coupling section, an rf amplifying section, a mixing driving section, and an if amplifying output section. The components comprise a calibration network 12, a local oscillator power distribution network 10, a digital processing switching power distribution network 9, a power supply and the like.
The specific working process is as follows:
signals received by the antenna enter a receiving assembly after being filtered by couplers N1-N48 and cavity filters Z1-Z48, the processed signals are pre-amplified by signals of radio frequency amplifiers A1-A48 and sent into mixers M1-M48, the signals are mixed with local oscillation signals LO and output as intermediate frequency signals, the signals with the intermediate frequency converted into intermediate frequency are output to a digital processing switching power distribution network WN through intermediate frequency amplifiers D1-D48, and 48 paths of intermediate frequency signals are output to a DBF processor through the switching power distribution network. When the system is in a calibration working mode, calibration signals sent by the system are sent to 48 active channels through the couplers N1-N48, and the working flow of the signals is consistent with that of the signals received by the antenna, so that the aim of monitoring and detecting the working state of each active channel is fulfilled.
Fig. 2 is the utility model discloses the 48 passageway tile formula integration digital receiving assembly of S frequency channel "tile formula" structure model pictures, traditional subassembly design is brick formula structure usually, can know by the last picture, the utility model discloses a realize shortening of longitudinal structure, adopted perpendicular stromatolite structure, tile formula structure promptly, from top to bottom in proper order be to antenna radio frequency input interface 3, radio frequency filter front end module 6, inside interconnection interface 8, frequency conversion module 7 and intermediate frequency output interface 3, it is thus visible to really realize a layer upon layer stromatolite design, through the rational division of inner structure and divide the chamber stromatolite, realized the effective isolation of various signals, guarantee the subassembly high gain simultaneously to low stray, low revealing has been realized.
Fig. 3 the utility model discloses the integrated cavity filter model picture of S frequency channel 48 passageway tile formula integration digital receiving component can be known by the last picture, and 48 passageway passive cavity filter resonant cavities are direct to be realized in the complete machine structure to realize 48 passageways' S effective isolation through the same tuning apron, guarantee that each channel signal is independent, reduce signal crosstalk, the structure chamber wall of the reducible independent passageway demand of the whole processing of multichannel cavity filter simultaneously subtracts weight and miniaturization to the complete machine has important meaning.
Fig. 4 is the utility model discloses the 48 passageway tile formula integration digital receiving assembly of S frequency channel is to external interface schematic diagrams, wherein fig. 4a be with DBF processor intermediate frequency interface model map, including 48 passageway intermediate frequency interface 3, 1 passageway local oscillator interface 4, 1 passageway calibration interface 11 and power source 5, fig. 4b and antenna radio frequency interface model map, can know by the picture in, all connectors are whole for inserting the type connector soon, the passageway guide effect, can easily realize the quick plug of subassembly, detect, the maintenance.
The utility model discloses 48 passageway tile formula integration digital receiving assembly structure volumes of S frequency channel are 230mm 366mm 47mm, and the single channel subassembly only is 15mm 110mm 47mm, and weight only is 0.125Kg, and single channel gain can reach more than 70dB, possesses 25dB gain adjustable function, the utility model discloses successfully be applied to certain system DBF phased array system, characteristics such as miniaturization, integration, tile formula, integration have gained good performance parameter for digital receiving assembly, have realized the nimble configuration design of phased array system, provide powerful support for large-scale DBF phased array system.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a48 passageway tile formula integration digital receiving device of S frequency channel which characterized in that: the device comprises a shell (1), a radio frequency input interface (2), an intermediate frequency output interface (3), a local oscillator interface (4) and a power interface (5) which are arranged on the surface of the shell (1), and a radio frequency filtering front-end module (6) and a frequency conversion module (7) which are arranged in the shell (1) and electrically connected, wherein the number of the radio frequency input interface (2), the intermediate frequency output interface (3), the radio frequency filtering front-end module (6) and the frequency conversion module (7) is at least two;
the radio frequency filtering front-end module (6) comprises a coupler (61), a passive cavity filter (62) and a radio frequency amplifier (63) which are electrically connected;
the frequency conversion module (7) comprises a mixer (71) and an intermediate frequency amplifier (72) which are electrically connected;
the radio frequency input interface (2) is electrically connected with the coupler (61), the radio frequency amplifier (63) is electrically connected with the mixer (71), and the intermediate frequency amplifier (72) is electrically connected with the intermediate frequency output interface (3);
-all the passive cavity filters (62) are integrated into a structural box of the radio frequency amplifier (63);
the radio frequency filtering front-end module (6) and the frequency conversion module (7) are stacked to form a tile structure.
2. The S-band 48-channel tile-type integrated digital receiving device according to claim 1, wherein: silver plating is carried out inside the structure box body, and conductive oxidation is carried out on the surface of the structure box body.
3. The S-band 48-channel tile-type integrated digital receiving device according to claim 1, wherein: the radio frequency filter is characterized by further comprising an internal interconnection interface (8) arranged between the radio frequency filter front-end module (6) and the frequency conversion module (7).
4. The S-band 48-channel tile-type integrated digital receiving device according to claim 3, wherein: each radio frequency filtering front-end module (6), the frequency conversion module (7) and the internal interconnection interface (8) are of equal-phase and equal-length structures.
5. The S-band 48-channel tile-type integrated digital receiving device according to claim 1, wherein: the digital processing switching power distribution network (9) is electrically connected with the frequency conversion module (7) at one end and the intermediate frequency output interface (3) at the other end, the local oscillator power distribution network (10) is electrically connected with the local oscillator interface (4) at one end and the frequency mixer (71) at the other end, the calibration interface (11) is arranged on the surface of the shell (1), and the calibration power distribution network (12) is electrically connected with the calibration interface (11) at one end and the radio frequency filtering front-end module (6) at the other end;
the passive cavity filter (62), the radio frequency amplifier (63), the frequency conversion module (7), the digital processing switching power distribution network (9), the calibration power distribution network (12) and the local oscillator power distribution network (10) are integrated into a microwave multilayer composite substrate.
6. The S-band 48-channel tile-type integrated digital receiving device according to claim 5, wherein: the radio frequency input interface (2), the intermediate frequency output interface (3), the local oscillator interface (4), the power supply interface (5) and the calibration interface (11) are all fast-plugging type connectors.
7. The S-band 48-channel tile-type integrated digital receiving device according to claim 5, wherein: the number of the radio frequency input interfaces (2), the number of the intermediate frequency output interfaces (3), the number of the radio frequency filtering front-end modules (6) and the number of the frequency conversion modules (7) are all 48; the power interface (5), the local oscillator power distribution network (10) and the calibration power distribution network (12) are all divided into 48 paths.
8. The S-band 48-channel tile-type integrated digital receiving device according to claim 1, wherein: the shell (1) comprises tuning cover plates with the same number as the radio frequency filtering front-end modules (6), and the tuning cover plates are the same in size.
9. The S-band 48-channel tile-type integrated digital receiving device according to claim 1, wherein: the temperature control device also comprises at least two temperature collectors which are uniformly arranged in the shell (1).
10. The S-band 48-channel tile-type integrated digital receiving device according to claim 3, wherein: the radio frequency input interface (2), the intermediate frequency output interface (3) and the internal interconnection interface (8) are all in blind-mate interconnection;
all the surfaces of the printed boards are coated with three-proofing paint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221875743.XU CN218336005U (en) | 2022-07-20 | 2022-07-20 | S-band 48-channel tile-type integrated digital receiving device |
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| CN202221875743.XU CN218336005U (en) | 2022-07-20 | 2022-07-20 | S-band 48-channel tile-type integrated digital receiving device |
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| CN218336005U true CN218336005U (en) | 2023-01-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116644695A (en) * | 2023-03-23 | 2023-08-25 | 中国航天科工集团八五一一研究所 | L-band local oscillator integrated multichannel miniaturized variable frequency component design method |
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2022
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116644695A (en) * | 2023-03-23 | 2023-08-25 | 中国航天科工集团八五一一研究所 | L-band local oscillator integrated multichannel miniaturized variable frequency component design method |
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