CN115549721A - Miniaturized data chain radio frequency front end receiving and transmitting assembly and design method thereof - Google Patents
Miniaturized data chain radio frequency front end receiving and transmitting assembly and design method thereof Download PDFInfo
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- CN115549721A CN115549721A CN202211233974.5A CN202211233974A CN115549721A CN 115549721 A CN115549721 A CN 115549721A CN 202211233974 A CN202211233974 A CN 202211233974A CN 115549721 A CN115549721 A CN 115549721A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000013461 design Methods 0.000 title claims abstract description 27
- 238000004088 simulation Methods 0.000 claims abstract description 11
- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000005457 optimization Methods 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 9
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000004382 potting Methods 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/32—Circuit design at the digital level
- G06F30/337—Design optimisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/60—Jamming involving special techniques
- H04K3/68—Jamming involving special techniques using passive jamming, e.g. by shielding or reflection
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Abstract
The invention provides a miniaturized data chain radio frequency front end receiving and transmitting assembly and a design method thereof, wherein the design method comprises the following steps: s1, performing separated module design on a receiving and transmitting assembly according to functions; s2, performing preliminary layout on each module circuit designed by the separated module, and determining the shapes and the sizes of the cavity of the transceiving component and the module circuit; s3, excavating useless space in the pipe shell simultaneously through simulation optimization layout; s4, integrally processing the tube shell and the spacer bars, and fixing the module circuit; and S5, sealing the pipe shell, and conformally installing the front and back surfaces of the transceiving assembly by adopting a cover plate and sealing the cap. The invention adopts a separated module circuit, a cavity, a partition wall and a three-dimensional layout, thereby greatly reducing the size and the weight of the component; meanwhile, each module circuit is designed into an independent shielding cavity, so that the mutual interference of the whole machine is avoided, and the isolation degree of the whole machine is ensured.
Description
Technical Field
The invention relates to the technical field of microwave communication, in particular to a miniaturized data chain radio frequency front end receiving and transmitting assembly and a design method thereof.
Background
At present, the data link has wide market prospect in both civil and military fields. Taking a missile-borne data link as an example, the data link bears the task of realizing information exchange between a missile and a ground radar, and is a key part for ensuring the efficient operation of a missile system. The data link is used for communication, and the method has the advantages of high transmission rate, high anti-interference capability, low error rate and the like, so that the method gradually becomes a dominant mode of inter-missile and missile-ground communication.
The missile-borne data chain system mainly comprises a baseband, a radio frequency front end receiving and transmitting assembly and an antenna, wherein the radio frequency front end receiving and transmitting assembly is used as a core part and bears the functions of signal filtering, amplification, frequency conversion and the like, and is also a decisive factor for limiting the volume and the power consumption of the data chain system. In recent years, monolithic microwave integrated circuit technology has been rapidly developed, so that modules such as frequency conversion, amplification, filtering, power division and the like can be integrated on one chip, and the power consumption and volume index of a receiving and transmitting assembly are greatly reduced, so that the monolithic microwave integrated circuit technology is more and more widely applied to the field of miniaturized assemblies. However, the working frequency of the missile-borne data link product is high, usually the purpose of remote communication is achieved by sacrificing the power index, and in the case of large power gain, the stability of the monolithic system is very poor, and the requirement of the front end component of the missile-borne data link on the stability of the circuit and the index parameter is high, so that most of the existing missile-borne data link transceiver components are mainly modularized. However, the requirement on the size of the component is more severe due to the limited and narrow missile-borne space, and the balance between the size of the component and the power consumption is achieved through circuit modular design and optimization of the structural design of the component, which is still the most widely applied method for the radio frequency front end design of the current missile-borne data chain.
Disclosure of Invention
The invention aims to solve the problem of miniaturization of missile-borne data link equipment and provides a miniaturized data link radio frequency front-end transceiving component and a design method thereof.
The invention provides a design method of a miniaturized data chain radio frequency front end receiving and transmitting assembly, which comprises the following steps:
s1, performing separated module design on a receiving and transmitting assembly according to functions;
s2, performing preliminary layout on each module circuit designed by the separated module, and determining the shapes and the sizes of the cavity of the transceiving component and the module circuit;
s3, excavating useless space in the pipe shell simultaneously through simulation optimization layout;
s4, integrally processing the tube shell and the spacer bars, and fixing the module circuit;
and S5, sealing the pipe shell, and conformally installing the front and back surfaces of the transceiving assembly by adopting a cover plate and sealing the cap.
Furthermore, each module circuit of the separated module design comprises a transmitting unit, a receiving unit, a power supply control unit, a switch unit and an antenna synthesis network; the power control unit, the switch unit and the antenna synthesis network are connected in sequence, and the transmitting unit and the receiving unit are respectively connected with the power control unit and the switch unit.
Further, the preliminary layout method in step S2 is:
the transmitting unit and the receiving unit are positioned on the front side of the transceiving component and are separated by adopting a separating rib;
the height of the spacer ribs is consistent with that of the cavity above the circuit board, so that a sealed cavity is formed after the cover plate is covered;
the power supply control unit is arranged on the reverse side of the receiving and transmitting assembly and is separated from the switch unit and the antenna synthesis network by adopting a separation rib.
Further, the simulation method in the step S3 includes structural thermal simulation and circuit EMI simulation.
Further, in step S4, a module circuit is fixed by screws.
Further, a screw cap is adopted in the step S5.
Further, in step S4, for the large-mass components and flying leads to be reinforced, the components and flying leads are reinforced by encapsulating with silicone rubber (such as translucent electronic component reinforcing adhesive)
Further, the silicon rubber is semitransparent electronic device reinforcing rubber.
The invention also provides a miniaturized data chain radio frequency front end receiving and sending assembly which is designed by the design method of the miniaturized data chain radio frequency front end receiving and sending assembly.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention adopts a separated module circuit, a cavity, a partition wall and a three-dimensional layout, thereby greatly reducing the size and the weight of the component;
2. the module circuits are designed into independent shielding cavities, so that the mutual interference of the whole machine is avoided, and the isolation of the whole machine is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and it is obvious for those skilled in the art that other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a flowchart of a method for designing a small data link rf front end transceiver module according to an embodiment of the present invention.
FIG. 2 is a schematic diagram of the circuit components of each module of the split module design according to the embodiment of the present invention.
Fig. 3 is a schematic circuit layout diagram of modules on the front side of the transceiver module according to the embodiment of the present invention.
Fig. 4 is a schematic circuit layout diagram of modules on the reverse side of the transceiver module according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1, the present embodiment provides a method for designing a small-sized data chain rf front-end transceiver module, which includes the following steps:
s1, performing separated module design on a receiving and transmitting assembly according to functions; as shown in fig. 2, each module circuit of the split module design includes a transmitting unit, a receiving unit, a power control unit, a switch unit and an antenna synthesis network; the power control unit, the switch unit and the antenna synthesis network are connected in sequence, and the transmitting unit and the receiving unit are respectively connected with the power control unit and the switch unit. The power supply control unit is used for supplying power to the receiving/transmitting channel and controlling receiving/transmitting switching; the antenna synthesis network is used for power division/combination of the receiving and transmitting channels.
S2, performing preliminary layout on each module circuit designed by the separated module, and determining the shapes and the sizes of the cavity of the transceiving component and the module circuit; the preliminary layout method comprises the following steps:
as shown in fig. 3, the transmitting unit and the receiving unit are located on the front of the transceiving component and separated by a spacer rib;
the height of the spacer ribs is consistent with that of the cavity above the circuit board, so that a sealed cavity is formed after the cover plate is covered;
as shown in fig. 4, the power control unit is disposed on the reverse side of the transceiver module, separated from the switch unit and the antenna synthesis network by spacer ribs, and designed as an independent shielding cavity to reduce EMI interference of the power module to each module circuit.
S3, optimizing the layout through structural thermal simulation and circuit EMI simulation, finally determining the layout and the shape and the size of each module circuit, and excavating the useless space in the tube shell to reduce the weight of the assembly and homogenize the mass of the assembly;
s4, integrally processing the pipe shell and the spacer ribs, and fixing a module circuit by adopting screws; furthermore, for large-mass components and flying leads which need to be reinforced, a silicon rubber (such as semitransparent electronic component reinforcing glue) encapsulation mode is adopted for reinforcement, so that high and low temperatures or vibration damage to connection points is avoided.
And S5, sealing the pipe shell, and conformally installing the front and back surfaces of the transceiving assembly by adopting a cover plate, and sealing the cap by using a screw.
Therefore, the miniaturized data chain radio frequency front end receiving and transmitting assembly designed by the design method of the miniaturized data chain radio frequency front end receiving and transmitting assembly has the following advantages:
1. the size and the weight of the component are greatly reduced by adopting a separated module circuit, cavity division, partition walls and three-dimensional layout;
2. and each module circuit is designed into an independent shielding cavity, so that the mutual interference of the whole machine is avoided, and the isolation of the whole machine is ensured.
Example 2
The embodiment implements a miniaturized data link radio frequency front end transceiver component, which is designed by the method for designing a miniaturized data link radio frequency front end transceiver component described in embodiment 1. The design method of the miniaturized data chain rf front-end transceiver module is not described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A design method for a miniaturized data chain radio frequency front end receiving and transmitting assembly is characterized by comprising the following steps:
s1, performing separated module design on a receiving and transmitting assembly according to functions;
s2, performing preliminary layout on each module circuit of the separated module design, and determining the shapes and the sizes of the cavity of the transceiving assembly and the module circuit;
s3, excavating useless space in the pipe shell simultaneously through simulation optimization layout;
s4, integrally processing the pipe shell and the spacer bars, and fixing the module circuit;
and S5, sealing a cap on the pipe shell, and conformally mounting the cover plate on the front side and the back side of the transceiving assembly and sealing the cap.
2. The method of claim 1, wherein each module circuit of the split module design comprises a transmitter, a receiver, a power control unit, a switch unit and an antenna synthesis network; the power control unit, the switch unit and the antenna synthesis network are connected in sequence, and the transmitting unit and the receiving unit are respectively connected with the power control unit and the switch unit.
3. The method as claimed in claim 2, wherein the preliminary layout method in step S2 is as follows:
the transmitting unit and the receiving unit are positioned on the front side of the transceiving component and are separated by adopting a separating rib;
the height of the spacer ribs is consistent with that of the cavity above the circuit board, so that a sealed cavity is formed after the cover plate is covered;
the power supply control unit is distributed on the reverse side of the transceiving component and is separated from the switch unit and the antenna synthetic network by adopting a separation rib.
4. The design method of the miniaturized data-chain radio frequency front-end transceiver module of claim 1, wherein the simulation method in step S3 includes structural thermal simulation and circuit EMI simulation.
5. The design method of miniaturized data chain RF front-end transceiver module of claim 1, wherein the module circuit is fixed by screws in step S4.
6. The method as claimed in claim 1, wherein a screw cap is used in step S5.
7. The design method of the miniaturized data chain radio frequency front-end transceiver module according to claim 1, wherein in step S4, for the large-mass components and flying leads which need to be reinforced, the components and flying leads are reinforced by silicone rubber potting.
8. The method of claim 7, wherein the silicone rubber is a translucent electronic device reinforcing rubber.
9. A small data chain rf front end transceiver module, wherein the small data chain rf front end transceiver module is designed by the small data chain rf front end transceiver module design method according to any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211233974.5A CN115549721A (en) | 2022-10-10 | 2022-10-10 | Miniaturized data chain radio frequency front end receiving and transmitting assembly and design method thereof |
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| CN202211233974.5A CN115549721A (en) | 2022-10-10 | 2022-10-10 | Miniaturized data chain radio frequency front end receiving and transmitting assembly and design method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117047870A (en) * | 2023-10-12 | 2023-11-14 | 四川省致链数字科技有限公司 | Furniture punching procedure flexible matching system and method based on industrial Internet |
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Cited By (2)
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| CN117047870A (en) * | 2023-10-12 | 2023-11-14 | 四川省致链数字科技有限公司 | Furniture punching procedure flexible matching system and method based on industrial Internet |
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