CN115425404B - Front-end highly integrated feeder line structure - Google Patents
Front-end highly integrated feeder line structure Download PDFInfo
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- CN115425404B CN115425404B CN202211074987.2A CN202211074987A CN115425404B CN 115425404 B CN115425404 B CN 115425404B CN 202211074987 A CN202211074987 A CN 202211074987A CN 115425404 B CN115425404 B CN 115425404B
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- 238000000034 method Methods 0.000 claims description 8
- 238000011056 performance test Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 description 8
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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Abstract
The invention discloses a front-end highly integrated feeder structure, which comprises a feed source, a receiving feeder, a circulator component and a receiving front-end, wherein the receiving feeder comprises an elevation branch feeder, a gangway branch feeder and a road branch feeder, the circulator component comprises an elevation side waveguide, a gangway side waveguide and a circulator, and the receiving front-end comprises an upper side cover, a main shell, a lower side cover, an elevation branch component, a gangway branch component, a road branch component and an output component; a receiving feeder line and a circulator component are arranged between the feed source and the receiving front end; the elevation branch feeder, the broadside branch feeder and the road branch feeder are arranged on the same side of the connecting line of the feed source and the receiving front end in a concentrated way; the circulator component is connected with interfaces of each branch feeder of the receiving feeder and the receiving front end and is connected to the transmitting branch. The invention realizes the integrated design of the related devices of the receiving front end, optimizes the phase adjustment structure of the feed source and the feed line, ensures that the phase adjustment of the feed source and the testing of the receiving front end are mutually independent, and improves the testability and maintainability of the equipment.
Description
Technical Field
The invention relates to the technical field of radar antenna design, in particular to a feeder line structure with a highly integrated front end.
Background
The function of the radar antenna feeder system is to transmit, control and distribute radio frequency electromagnetic signals. Powerful radio frequency electromagnetic signals generated by the transmitter are transmitted to the antenna through the feeder system; the weak radio frequency electromagnetic signals received by the antenna are transmitted to the receiver through the feeder system.
The current common feeder structure between the radar antenna feed source and the receiving front end mainly takes single-path scattered arrangement as a main part, and has the following defects:
(1) The feeder branch arrangement is scattered, the feeder occupies more box space, the integrated design in the high-frequency box area of the radar antenna is not facilitated, and the radar miniaturization integrated design thought is limited.
(2) After the front-end related devices are distributed along with feeder branches in a scattered manner, the front-end related devices are electrically interconnected in a high-frequency box body area through cables, and the feed source and the front-end are subjected to debugging, testing and maintenance for multiple times, feeder disassembly in different areas, so that maintainability is poor.
Disclosure of Invention
The invention aims to provide a feeder line structure which has high integration level, small volume, mutually independent feed source phase adjustment and receiving front-end test and high equipment testability and maintainability.
The technical solution for realizing the purpose of the invention is as follows: a front-end highly integrated feeder structure comprising a feed source, a receiving feeder, a circulator assembly and a receiving front-end, wherein the feed source comprises an elevation branch feeder interface, a side branch feeder interface and a side branch feeder interface, the receiving feeder comprises an elevation branch feeder, a side branch feeder and a side branch feeder, the circulator assembly comprises an elevation side waveguide, a side waveguide and a circulator, and the receiving front-end comprises an upper side cover, a main shell, a lower side cover, an elevation branch assembly, a side branch assembly and an output assembly;
a receiving feeder line and a circulator component are arranged between the feed source and the receiving front end; the circulator component is connected with interfaces of each branch feeder of the receiving feeder and the receiving front end, and is connected to the transmitting branch.
Furthermore, the elevation branch feeder, the broadside branch feeder and the road branch feeder in the receiving feeder can be independently subjected to phase adjustment so as to meet the requirement of equal phase, and meanwhile, the requirement of an installation interface of the receiving front end is met.
Further, the elevation branch feeder comprises an elevation branch first H-bend corner cut waveguide, an elevation branch second H-bend corner cut waveguide, an elevation branch first straight waveguide, an elevation branch U-shaped corner cut waveguide, an elevation branch second straight waveguide and an elevation branch E-bend corner cut waveguide; the corner branch feeder comprises a corner branch H-bend corner-cut waveguide, a corner branch first straight waveguide, a corner branch U-shaped corner-cut waveguide, a corner branch second straight waveguide and a corner branch E-bend corner-cut waveguide; the sum-path branch feeder comprises a sum-path branch first E-bend corner-cut waveguide, a sum-path branch first straight waveguide, a sum-path branch U-shaped corner-cut waveguide, a sum-path branch second straight waveguide and a sum-path branch second E-bend corner-cut waveguide;
The first H-bend corner cut waveguide of the elevation branch and the second H-bend corner cut waveguide of the elevation branch are feed source side switching waveguides, the first straight waveguide of the elevation branch, the U-shaped corner cut waveguide of the elevation branch and the second straight waveguide of the elevation branch are adjusting waveguides, and the E-bend corner cut waveguide of the elevation branch is front end side switching waveguide;
The side-to-side waveguide structure comprises a feed source side-to-side waveguide, a side-to-side branch H-bend corner-cut waveguide, a side-to-side branch U-shaped corner-cut waveguide, a side-to-side branch second straight waveguide, a side-to-side branch E-bend corner-cut waveguide and a side-to-side branch E-bend corner-cut waveguide, wherein the side-to-side waveguide is a feed source side-to-side waveguide;
The first E-bend corner cut waveguide of the sum path branch is a feed source side switching waveguide, the first straight waveguide of the sum path branch, the U-bend corner cut waveguide of the sum path branch and the second straight waveguide of the sum path branch are adjusting waveguides, and the second E-bend corner cut waveguide of the sum path branch is a front end side switching waveguide.
Furthermore, the elevation angle side waveguide and the broadside waveguide are straight waveguides and are parallel to the circulator, and the elevation angle side waveguide, the broadside side waveguide and the circulator are integrated and designed, and are provided with interfaces for receiving feeder lines of all branches and receiving front ends, and meanwhile, a port 3 of the circulator is connected with the transmitting branch.
Further, the elevation branch assembly comprises an elevation processing plate, an elevation receiving channel and an elevation cover plate, and the accommodation branch assembly comprises an accommodation processing plate, an accommodation receiving channel and an accommodation cover plate; the road and branch assembly comprises a road and branch processing board, a road and receiving channel and a road and cover board; the output assembly comprises an output processing board, a signal output channel and an output assembly cover plate;
The two sides of the main shell are provided with an upper side cover and a lower side cover, the front part is provided with three waveguide ports which are connected with the circulator, the two sides of the main structure of the receiving front end are divided into two cavities, one side of the cavity is provided with an output assembly, and the output processing plate is separated from the signal output channel by a cover plate and a rib plate; the cavity at the other side is divided into 6 parts by a rib plate separation cavity, and a road processing plate, a road receiving channel, a porthole processing plate, a porthole receiving channel, an elevation processing plate and an elevation receiving channel are sequentially arranged.
Further, each branch feeder signal in the receiving feeder reaches the receiving front end after passing through the circulator component, the receiving channel receives the signal, each processing board processes the signal, then outputs the signal to the output processing board for processing, and finally the signal is output through the output channel.
Further, the feed source and receiving front end performance test is carried out by removing the elevation branch U-shaped corner cut waveguide, the broadside branch U-shaped corner cut waveguide and the road branch U-shaped corner cut waveguide, and the method is as follows:
And after the elevation branch feeder line removes the elevation branch U-shaped corner cut waveguide, the side branch feeder line removes the side branch U-shaped corner cut waveguide, and the road branch feeder line removes the road branch U-shaped corner cut waveguide, performance testing is carried out on the feed source through the waveguide ports of the elevation branch first straight waveguide, the side branch first straight waveguide and the road branch first straight waveguide, and performance testing is carried out on the receiving front end through the waveguide ports of the elevation branch second straight waveguide, the side branch second straight waveguide and the road branch second straight waveguide.
Further, according to the feed source test result, the feed source phase is adjusted by changing straight waveguides with different lengths or increasing or decreasing gaskets.
Furthermore, the receiving feeder adopts an integrated design, and the elevation branch feeder, the broadside branch feeder and the road branch feeder are arranged on the same side of the connecting line of the feed source and the receiving front end in a concentrated manner, and the horizontal directions are mutually parallel to realize the integrated design of the receiving feeder.
Further, the circulator component and the receiving front end are of integrated design; the circulator component is integrally in a cuboid shape and is divided into 3 layers, and is divided into an elevation angle side waveguide, a broadside side waveguide and a circulator, wherein two side surfaces are respectively provided with three paths of receiving feeder lines and interfaces of a receiving front end, and the bottom is provided with interfaces of a transmitting branch; the front part of the receiving front end is provided with three waveguide ports which are connected with the circulator component, two sides of the receiving front end are provided with separation cavities, one side of the receiving front end is provided with an output processing plate and an output channel, and the other side of the receiving front end is provided with three components, so that the integrated design is realized.
Compared with the prior art, the invention has the remarkable advantages that: (1) The three branch feeder lines are designed to be on the same side of the connecting line of the feed source and the front end, and the horizontal directions are parallel to each other, so that the occupied space is small; the three paths of branches adopt corner cut waveguides to adjust the trend of the feeder line, and the corner cut waveguides have smaller bending radius and occupy smaller space than the conventional bending waveguides; the conventional circulator and the straight waveguide are integrated, and the integrated circulator is provided with a feeder line, a receiving front end and an installation interface of a transmitting branch; (2) The integrated design of each branch component and each output component is realized through the design of the separate cavities, and meanwhile, the integrated design of the feeder line structure is improved and the volume of the feeder line structure is reduced by the installation interface of the circulator; (3) The adjusting waveguides consist of straight waveguides and U-shaped corner cut waveguides, and equal phase adjustment of each branch can be realized by changing the straight waveguides with different lengths or increasing or decreasing gaskets according to the feed source test result; (4) The feed source and the receiving front end can be independently tested under the condition that main feed lines of all the feed lines are not dismounted by dismounting the adjusting waveguide of the feed line branch, and the testability of the feed line structure is improved.
Drawings
Fig. 1 is a schematic structural diagram of a feed line structure with a highly integrated front end according to the present invention.
Fig. 2 is a schematic diagram of the structure of a feed source in the present invention.
Fig. 3 is a schematic diagram of a structure of a receiving feeder line in the present invention.
Fig. 4 is a schematic diagram of another structure of a receiving feeder line in the present invention.
FIG. 5 is a schematic view of the structure of the circulator assembly of the invention.
Fig. 6 is an exploded isometric view of the receiving front end of the present invention.
Fig. 7 is a front view and a rear view of a receiving front end in the present invention.
Figure 8 is a side view of the feed line structure of the present invention.
Detailed Description
The invention relates to a front-end highly integrated feeder structure, which comprises a feed source 1, a receiving feeder 2, a circulator component 3 and a receiving front-end 4, wherein the feed source 1 comprises an elevation branch feeder interface 1-1, a broadside branch feeder interface 1-2 and a road branch feeder interface 1-3, the receiving feeder 2 comprises an elevation branch feeder 2-1, a broadside branch feeder 2-2 and a road branch feeder 2-3, the circulator component 3 comprises an elevation side waveguide 3-1, a broadside side waveguide 3-2 and a circulator 3-3, the receiving front-end 4 comprises an upper side cover 4-1, a main shell 4-2, a lower side cover 4-3, an elevation branch component 4-4, a broadside branch component 4-5, a road branch component 4-6 and an output component 4-7;
A receiving feeder line 2 and a circulator component 3 are arranged between the feed source 1 and the receiving front end 4; the circulator assembly 3 connects the interfaces of the branch feeders of the receiving feeder 2 and the receiving front end 4, while the circulator assembly 3 is connected to the transmitting branch.
As a specific example, the elevation branch feeder 2-1, the broadside branch feeder 2-2 and the road branch feeder 2-3 in the receiving feeder 2 can all independently perform phase adjustment to achieve the equal phase requirement, and simultaneously meet the installation interface requirement of the receiving front end 4.
As a specific example, the elevation branch feeder 2-1 includes an elevation branch first H-bend cut angle waveguide 2-1-1, an elevation branch second H-bend cut angle waveguide 2-1-2, an elevation branch first straight waveguide 2-1-3, an elevation branch U-shaped cut angle waveguide 2-1-4, an elevation branch second straight waveguide 2-1-5, and an elevation branch E-bend cut angle waveguide 2-1-6; the corner branch feeder line 2-2 comprises a corner branch H-bend corner cut waveguide 2-2-1, a corner branch first straight waveguide 2-2-2, a corner branch U-shaped corner cut waveguide 2-2-3, a corner branch second straight waveguide 2-2-4 and a corner branch E-bend corner cut waveguide 2-2-5; the sum-path branch feeder line 2-3 comprises a sum-path branch first E-bend corner cut waveguide 2-3-1, a sum-path branch first straight waveguide 2-3-2, a sum-path branch U-shaped corner cut waveguide 2-3-3, a sum-path branch second straight waveguide 2-3-4 and a sum-path branch second E-bend corner cut waveguide 2-3-5;
the first H-bend corner cut waveguide 2-1-1 of the elevation branch and the second H-bend corner cut waveguide 2-1-2 of the elevation branch are feed source side switching waveguides, the first straight waveguide 2-1-3 of the elevation branch, the U-shaped corner cut waveguide 2-1-4 of the elevation branch and the second straight waveguide 2-1-5 of the elevation branch are adjusting waveguides, and the E-bend corner cut waveguide 2-1-6 of the elevation branch is front end side switching waveguide;
The side corner branch H bent corner cut waveguide 2-2-1 is a feed source side switching waveguide, the side corner branch first straight waveguide 2-2-2, the side corner branch U-shaped corner cut waveguide 2-2-3 and the side corner branch second straight waveguide 2-2-4 are adjusting waveguides, and the side corner branch E bent corner cut waveguide 2-2-5 is a front end side switching waveguide;
The first E-bend corner cut waveguide 2-3-1 of the sum branch is a feed source side switching waveguide, the first straight waveguide 2-3-2 of the sum branch, the U-bend corner cut waveguide 2-3-3 of the sum branch and the second straight waveguide 2-3-4 of the sum branch are adjusting waveguides, and the second E-bend corner cut waveguide 2-3-5 of the sum branch is a front end side switching waveguide.
As a specific example, the elevation angle side waveguide 3-1 and the broadside side waveguide 3-2 are straight waveguides and are parallel to the circulator 3-3, and are designed integrally, and are provided with interfaces of each branch feeder of the receiving feeder 2 and the receiving front end 4, and meanwhile, the port 3 of the circulator 3-3 is connected with the transmitting branch.
As a specific example, the elevation branch assembly 4-4 includes an elevation processing plate 4-4-1, an elevation receiving channel 4-4-2, and an elevation cover plate 4-4-3, and the elevation branch assembly 4-5 includes a gangway processing plate 4-5-1, a gangway receiving channel 4-5-2, and a gangway cover plate 4-5-3; the sum road branch circuit component 4-6 comprises a sum road processing board 4-6-1, a sum road receiving channel 4-6-2 and a sum road cover board 4-6-3; the output assembly 4-7 comprises an output processing board 4-7-1, a signal output channel 4-7-2 and an output assembly cover board 4-7-3;
The two sides of the main shell 4-2 are provided with an upper side cover 4-1 and a lower side cover 4-3, the front part is provided with three waveguide ports, the three waveguide ports are connected with the circulator 3-3, the two sides of the main structure of the receiving front end 4 are divided into two cavities, one side of the cavity is provided with an output assembly 4-7, and the output processing plate 4-7-1 is separated from the signal output channel 4-7-2 by a cover plate 4-7-3 and a rib plate; the cavity at the other side is divided into 6 parts by a rib plate separation cavity, and a road processing board 4-6-1, a road receiving channel 4-6-2, a side angle processing board 4-5-1, a side angle receiving channel 4-5-2, an elevation angle processing board 4-4-1 and an elevation angle receiving channel 4-4-2 are sequentially arranged.
As a specific example, each branch feeder signal in the receiving feeder 2 passes through the circulator assembly 3 and then reaches the receiving front end 4, the receiving channel receives the signal, each processing board processes the signal, then outputs the signal to the output processing board 4-7-1 for processing, and finally the signal is output through the output channel 4-7-2.
As a specific example, the feed source 1 and the receiving front end 4 performance test is performed by removing the elevation branch U-shaped chamfer waveguide 2-1-4, the broadside branch U-shaped chamfer waveguide 2-2-3, and the road branch U-shaped chamfer waveguide 2-3-3, and the method is as follows:
After the elevation branch feeder line 2-1 is used for removing the elevation branch U-shaped corner cut waveguide 2-1-4, the broadside branch feeder line 2-2 is used for removing the broadside branch U-shaped corner cut waveguide 2-2-3, and the road branch feeder line 2-3 is used for removing the road branch U-shaped corner cut waveguide 2-3-3, the performance test is performed on the feed source 1 through the waveguide ports of the elevation branch first straight waveguide 2-1-3, the broadside branch first straight waveguide 2-2-2 and the road branch first straight waveguide 2-3-2, and the performance test is performed on the receiving front end 2 through the waveguide ports of the elevation branch second straight waveguide 2-1-5, the broadside branch second straight waveguide 2-2-4 and the road branch second straight waveguide 2-3-4.
As a specific example, according to the test result of the feed source 1, the phase of the feed source 1 is adjusted by changing straight waveguides with different lengths or increasing or decreasing gaskets.
As a specific example, the receiving feeder 2 adopts an integrated design, and the elevation branch feeder 2-1, the broadside branch feeder 2-2 and the branch feeder 2-3 are arranged on the same side of the connecting line of the feed source 1 and the receiving front end 4 in a centralized manner, and the horizontal directions are parallel to each other, so that the integrated design of the receiving feeder 2 is realized.
As a specific example, the circulator assembly 3 and the receiving front end 4 are both of an integrated design; the circulator assembly 3 is integrally in a cuboid shape and is divided into 3 layers, namely an elevation angle side waveguide 3-1, a broadside side waveguide 3-2 and a circulator 3-3, wherein the two side surfaces are respectively provided with three paths of interfaces of a receiving feeder line 2 and a receiving front end 4, and the bottom is provided with an interface of a transmitting branch; the front part of the receiving front end 4 is provided with three waveguide ports which are connected with the circulator component 3, two sides are designed as separate cavities, one side is provided with an output processing plate and an output channel, and the other side is provided with three components, so that the integrated design is realized.
The invention will now be described in further detail with reference to the drawings and to specific examples.
Examples
Referring to fig. 1, the invention provides a front-end highly integrated feeder structure, which comprises a feed source 1, a receiving feeder 2, a circulator component 3 and a receiving front-end 4, wherein the feed source 1 comprises an elevation branch feeder interface 1-1, a side branch feeder interface 1-2 and a road branch feeder interface 1-3, the receiving feeder 2 comprises an elevation branch feeder 2-1, a side branch feeder 2-2 and a road branch feeder 2-3, the circulator component 3 comprises an elevation side waveguide 3-1, a side waveguide 3-2 and a circulator 3-3, and the receiving front-end 4 comprises an upper side cover 4-1, a main shell 4-2, a lower side cover 4-3, an elevation branch component 4-4, a side branch component 4-5 and a road branch component 4-6 and an output component 4-7;
With reference to fig. 2, a receiving feeder line 2 and a circulator component 3 are arranged between the feed source 1 and the receiving front end 4; the elevation branch feeder line 2-1, the broadside branch feeder line 2-2 and the road branch feeder line 2-3 are arranged on the same side of the connecting line of the feed source 1 and the receiving front end 4 in a concentrated manner, and the horizontal directions are parallel to each other; the circulator assembly 3 connects the interfaces of the branch feeders of the receiving feeder 2 and the receiving front end 4, and is connected to the transmitting branch.
Furthermore, the elevation branch feeder 2-1, the broadside branch feeder 2-2 and the road branch feeder 2-3 in the receiving feeder 2 can all independently perform phase adjustment to achieve the requirement of equal phase, and simultaneously meet the requirement of an installation interface of the receiving front end 4.
Further, referring to fig. 3 and 4, the elevation branch feeder 2-1 includes an elevation branch first H-bend corner cut waveguide 2-1-1, an elevation branch second H-bend corner cut waveguide 2-1-2, an elevation branch first straight waveguide 2-1-3, an elevation branch U-shaped corner cut waveguide 2-1-4, an elevation branch second straight waveguide 2-1-5, and an elevation branch E-bend corner cut waveguide 2-1-6; the corner branch feeder line 2-2 comprises a corner branch H-bend corner cut waveguide 2-2-1, a corner branch first straight waveguide 2-2-2, a corner branch U-shaped corner cut waveguide 2-2-3, a corner branch second straight waveguide 2-2-4 and a corner branch E-bend corner cut waveguide 2-2-5; the sum-path branch feeder line 2-3 comprises a sum-path branch first E-bend corner cut waveguide 2-3-1, a sum-path branch first straight waveguide 2-3-2, a sum-path branch U-shaped corner cut waveguide 2-3-3, a sum-path branch second straight waveguide 2-3-4 and a sum-path branch second E-bend corner cut waveguide 2-3-5;
The first H-bend corner cut waveguide 2-1-1 of the elevation branch and the second H-bend corner cut waveguide 2-1-2 of the elevation branch are feed source side switching waveguides, the first straight waveguide 2-1-3 of the elevation branch, the U-shaped corner cut waveguide 2-1-4 of the elevation branch and the second straight waveguide 2-1-5 of the elevation branch are adjusting waveguides, and the E-bend corner cut waveguide 2-1-6 of the elevation branch is front end side switching waveguide;
The side corner branch H bent corner cut waveguide 2-2-1 is a feed source side switching waveguide, the side corner branch first straight waveguide 2-2-2, the side corner branch U-shaped corner cut waveguide 2-2-3 and the side corner branch second straight waveguide 2-2-4 are adjusting waveguides, and the side corner branch E bent corner cut waveguide 2-2-5 is a front end side switching waveguide;
The first E-bend corner cut waveguide 2-3-1 of the sum branch is a feed source side switching waveguide, the first straight waveguide 2-3-2 of the sum branch, the U-bend corner cut waveguide 2-3-3 of the sum branch and the second straight waveguide 2-3-4 of the sum branch are adjusting waveguides, and the second E-bend corner cut waveguide 2-3-5 of the sum branch is a front end side switching waveguide.
Furthermore, according to the test result of the feed source 1, the phase of the feed source 1 can be adjusted by changing straight waveguides with different lengths or increasing or decreasing gaskets. Taking the elevation branch feeder line 2-1 as an example, straight waveguides with different lengths can be used for replacing the elevation branch first straight waveguide 2-1-3 and the elevation branch second straight waveguide 2-1-5, or gaskets are added between the elevation branch U-shaped chamfer waveguide 2-1-4 and the elevation branch first straight waveguide 2-1-3 and between the elevation branch U-shaped chamfer waveguide 2-1-4 and the elevation branch second straight waveguide 2-1-5 to realize the phase adjustment of the elevation branch feeder line 2-1.
Further, referring to fig. 5, the elevation side waveguide 3-1 and the broadside side waveguide 3-2 are straight waveguides and are parallel to the circulator 3-3, and are designed integrally, and are provided with interfaces of each branch feeder of the receiving feeder 2 and the receiving front end 4, and meanwhile, the port 3 of the circulator 3-3 is connected with the transmitting branch, and the port #1, the port #2 and the port #3 are shown in fig. 5.
Further, referring to fig. 6 and 7, the elevation branch assembly 4-4 includes an elevation processing plate 4-4-1, an elevation receiving channel 4-4-2 and an elevation cover plate 4-4-3, and the accommodation branch assembly 4-5 includes an accommodation processing plate 4-5-1, an accommodation receiving channel 4-5-2 and an accommodation cover plate 4-5-3; the sum road branch circuit component 4-6 comprises a sum road processing board 4-6-1, a sum road receiving channel 4-6-2 and a sum road cover board 4-6-3; the output assembly 4-7 comprises an output processing board 4-7-1, a signal output channel 4-7-2 and an output assembly cover board 4-7-3;
The two sides of the main shell 4-2 are provided with an upper side cover 4-1 and a lower side cover 4-3, the front part is provided with three waveguide ports, the three waveguide ports are connected with the circulator 3-3, the two sides of the main structure of the receiving front end 4 are divided into two cavities, one side of the cavity is provided with an output assembly 4-7, and the output processing plate 4-7-1 is separated from the signal output channel 4-7-2 by a cover plate 4-7-3 and a rib plate; the cavity at the other side is divided into 6 parts by a rib plate separation cavity, and a road processing board 4-6-1, a road receiving channel 4-6-2, a side angle processing board 4-5-1, a side angle receiving channel 4-5-2, an elevation angle processing board 4-4-1 and an elevation angle receiving channel 4-4-2 are sequentially arranged.
Further, referring to fig. 8, each branch feeder signal in the receiving feeder 2 passes through the circulator assembly 3 and then reaches the receiving front end 4, the receiving channel receives the signal, each processing board processes the signal, and then outputs the signal to the output processing board 4-7-1 for processing, and finally the signal is output through the output channel 4-7-2.
Further, with reference to fig. 4, the performance test of the feed source 1 and the receiving front end 4 can be performed by removing the elevation branch U-shaped corner cut waveguide 2-1-4, the broadside branch U-shaped corner cut waveguide 2-2-3, and the road branch U-shaped corner cut waveguide 2-3-3, and the method is as follows:
After the elevation branch feeder line 2-1 is used for removing the elevation branch U-shaped corner cut waveguide 2-1-4, the side branch feeder line 2-2 is used for removing the side branch U-shaped corner cut waveguide 2-2-3, and the way branch feeder line 2-3 is used for removing the way branch U-shaped corner cut waveguide 2-3-3, the performance test of the feed source 1 can be performed through the waveguide ports of the elevation branch first straight waveguide 2-1-3, the side branch first straight waveguide 2-2-2 and the way branch first straight waveguide 2-3-2, and the performance test of the receiving front end 2 can be performed through the waveguide ports of the elevation branch second straight waveguide 2-1-5, the side branch second straight waveguide 2-2-4 and the way branch second straight waveguide 2-3-4.
Further, in combination with fig. 8, the receiving feeder line 2 adopts an integrated design, and the elevation branch feeder line 2-1, the broadside branch feeder line 2-2 and the road branch feeder line 2-3 are arranged on the same side of the connecting line of the feed source 1 and the receiving front end 4 in a centralized manner, and the horizontal directions are parallel to each other, so that the integrated design that the receiving feeder line 2 occupies a smaller space is realized.
Further, with reference to fig. 8, the circulator assembly 3 and the receiving front end 4 are both of an integrated design, wherein a is a burst source side test interface and B is a front end side test interface; the circulator assembly 3 is integrally in a cuboid shape and is divided into 3 layers, namely an elevation angle side waveguide 3-1, a broadside side waveguide 3-2 and a circulator 3-3, wherein the two side surfaces are respectively provided with three paths of interfaces of a receiving feeder line 2 and a receiving front end 4, and the bottom is provided with an interface of a transmitting branch; the front part of the receiving front end 4 is provided with three waveguide ports which can be connected with the circulator component 3, two sides are designed as separate cavities, one side is provided with an output processing plate and an output channel, and the other side is provided with three components, so that the integrated design is realized.
Claims (9)
1. A front-end highly integrated feeder structure, comprising a feed source (1), a receiving feeder (2), a circulator component (3) and a receiving front-end (4), wherein the feed source (1) comprises an elevation branch feeder interface (1-1), a broadside branch feeder interface (1-2) and a road branch feeder interface (1-3), the receiving feeder (2) comprises an elevation branch feeder (2-1), a broadside branch feeder (2-2) and a road branch feeder (2-3), the circulator component (3) comprises an elevation side waveguide (3-1), a broadside side waveguide (3-2) and a circulator (3-3), and the receiving front-end (4) comprises an upper side cover (4-1), a main shell (4-2), a lower side cover (4-3), an elevation branch component (4-4), a broadside branch component (4-5), a road branch component (4-6) and an output component (4-7);
A receiving feeder line (2) and a circulator component (3) are arranged between the feed source (1) and the receiving front end (4); the circulator component (3) is connected with interfaces of all branch feeder lines of the receiving feeder line (2) and the receiving front end (4), and meanwhile, the circulator component (3) is connected to the transmitting branch;
The elevation branch feeder line (2-1) comprises an elevation branch first H-bend corner cut waveguide (2-1-1), an elevation branch second H-bend corner cut waveguide (2-1-2), an elevation branch first straight waveguide (2-1-3), an elevation branch U-shaped corner cut waveguide (2-1-4), an elevation branch second straight waveguide (2-1-5) and an elevation branch E-bend corner cut waveguide (2-1-6); the corner branch feeder (2-2) comprises a corner branch H-bend corner-cut waveguide (2-2-1), a corner branch first straight waveguide (2-2-2), a corner branch U-shaped corner-cut waveguide (2-2-3), a corner branch second straight waveguide (2-2-4) and a corner branch E-bend corner-cut waveguide (2-2-5); the sum-path branch feeder line (2-3) comprises a sum-path branch first E-bend corner-cut waveguide (2-3-1), a sum-path branch first straight waveguide (2-3-2), a sum-path branch U-shaped corner-cut waveguide (2-3-3), a sum-path branch second straight waveguide (2-3-4) and a sum-path branch second E-bend corner-cut waveguide (2-3-5);
The first H-bend corner cut waveguide (2-1-1) and the second H-bend corner cut waveguide (2-1-2) of the elevation branch are feed source side switching waveguides, the first straight waveguide (2-1-3) of the elevation branch, the U-shaped corner cut waveguide (2-1-4) of the elevation branch and the second straight waveguide (2-1-5) of the elevation branch are adjusting waveguides, and the E-bend corner cut waveguide (2-1-6) of the elevation branch is front end side switching waveguide;
The side-bending and cutting corner waveguide (2-2-1) of the side-bending and cutting corner branch is a feed source side-switching waveguide, the side-bending and cutting corner waveguide (2-2-2) of the side-bending and cutting corner branch, the side-bending and cutting corner waveguide (2-2-3) of the side-bending and cutting corner waveguide (2-2-4) of the side-bending and cutting corner branch and the side-bending and cutting corner waveguide (2-2-5) of the side-bending and cutting corner branch are adjusting waveguides, and the side-bending and cutting corner waveguide (2-2-5) of the side-bending and cutting corner branch is a front end side-switching waveguide;
The first E-bend corner cut waveguide (2-3-1) of the sum branch is a feed source side switching waveguide, the first straight waveguide (2-3-2) of the sum branch, the U-bend corner cut waveguide (2-3-3) of the sum branch and the second straight waveguide (2-3-4) of the sum branch are adjusting waveguides, and the second E-bend corner cut waveguide (2-3-5) of the sum branch is a front end side switching waveguide.
2. The front-end highly integrated feeder structure according to claim 1, wherein the elevation branch feeder (2-1), the broadside branch feeder (2-2) and the branch feeder (2-3) in the receiving feeder (2) are each capable of independently performing phase adjustment to achieve equal phase requirements and simultaneously meet the installation interface requirements of the receiving front-end (4).
3. The front-end highly integrated feeder structure according to claim 1, characterized in that the elevation side waveguide (3-1) and the broadside side waveguide (3-2) are straight waveguides, parallel to the circulator (3-3), and are designed in an integrated manner, with interfaces for receiving the feeder (2) branches and for receiving the front-end (4), while the port 3 of the circulator (3-3) is connected to the transmitting branch.
4. The front-end highly integrated feeder structure of claim 1, characterized in that the elevation branch assembly (4-4) comprises an elevation processing plate (4-4-1), an elevation receiving channel (4-4-2) and an elevation cover plate (4-4-3), the broadside branch assembly (4-5) comprises a broadside processing plate (4-5-1), a broadside receiving channel (4-5-2) and a broadside cover plate (4-5-3); the sum path branch circuit component (4-6) comprises a sum path processing board (4-6-1), a sum path receiving channel (4-6-2) and a sum path cover board (4-6-3); the output assembly (4-7) comprises an output processing plate (4-7-1), a signal output channel (4-7-2) and an output assembly cover plate (4-7-3);
The two sides of the main shell (4-2) are provided with an upper side cover (4-1) and a lower side cover (4-3), the front part is provided with three waveguide ports, the three waveguide ports are connected with the circulator (3-3), the two sides of the main structure of the receiving front end (4) are divided into two cavities, one side of the main structure is provided with an output assembly (4-7), and the output processing plate (4-7-1) is separated from the signal output channel (4-7-2) by utilizing the cover plate (4-7-3) and the rib plate; the cavity at the other side is divided into 6 parts through rib plate separation cavities, and a road processing plate (4-6-1), a road receiving channel (4-6-2), a broadside processing plate (4-5-1), a broadside receiving channel (4-5-2), an elevation processing plate (4-4-1) and an elevation receiving channel (4-4-2) are sequentially arranged.
5. The front-end highly integrated feeder structure according to claim 1, wherein each branch feeder signal in the receiving feeder (2) reaches the receiving front-end (4) after passing through the circulator assembly (3), the receiving channel receives the signal, each processing board processes the signal, and then outputs the signal to the output processing board (4-7-1) for processing, and finally the signal is output through the output channel (4-7-2).
6. The front-end highly integrated feeder structure according to claim 1, characterized in that the feed (1) and receiving front-end (4) performance test is performed by removing elevation branch U-cut corner waveguides (2-1-4), broadside branch U-cut corner waveguides (2-2-3), and road branch U-cut corner waveguides (2-3-3) by the following method:
The elevation branch feeder (2-1) removes the elevation branch U-shaped corner cut waveguide (2-1-4), the side branch feeder (2-2) removes the side branch U-shaped corner cut waveguide (2-2-3), and after the way branch feeder (2-3) removes the way branch U-shaped corner cut waveguide (2-3), the feed source (1) is tested for performance through the elevation branch first straight waveguide (2-1-3), the side branch first straight waveguide (2-2-2) and the waveguide port of the way branch first straight waveguide (2-3-2), and the receiving front end (2) is tested for performance through the elevation branch second straight waveguide (2-1-5), the side branch second straight waveguide (2-2-4) and the waveguide port of the way branch second straight waveguide (2-3-4).
7. The front-end highly integrated feeder structure according to claim 6, characterized in that the adjustment of the phase of the feed source (1) is achieved by changing straight waveguides of different lengths or increasing or decreasing shims according to the feed source (1) test results.
8. The front-end highly integrated feeder structure according to claim 1, wherein the receiving feeder (2) adopts an integrated design, and the elevation branch feeder (2-1), the broadside branch feeder (2-2) and the way branch feeder (2-3) are arranged on the same side of the connecting line of the feed source (1) and the receiving front-end (4) in a concentrated manner, and the horizontal directions are parallel to each other, so that the integrated design of the receiving feeder (2) is realized.
9. The front-end highly integrated feeder structure according to claim 1, characterized in that the circulator assembly (3) and the receiving front-end (4) are both of integrated design; the circulator assembly (3) is integrally in a cuboid shape and is divided into 3 layers, the circulator assembly is divided into an elevation angle side waveguide (3-1), a broadside side waveguide (3-2) and a circulator (3-3), two sides are respectively provided with three paths of interfaces of a receiving feeder line (2) and a receiving front end (4), and the bottom is provided with an interface of a transmitting branch; the front part of the receiving front end (4) is provided with three waveguide ports which are connected with the circulator component (3), two sides are provided with a separation cavity design, one side is provided with an output processing plate and an output channel, and the other side is provided with three components, so that the integrated design is realized.
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