CN112490635B - Matrix waveguide and airplane integrated integration method and system - Google Patents
Matrix waveguide and airplane integrated integration method and system Download PDFInfo
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- CN112490635B CN112490635B CN202011226853.9A CN202011226853A CN112490635B CN 112490635 B CN112490635 B CN 112490635B CN 202011226853 A CN202011226853 A CN 202011226853A CN 112490635 B CN112490635 B CN 112490635B
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- 239000011159 matrix material Substances 0.000 title claims abstract description 48
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- 230000010354 integration Effects 0.000 title description 6
- 238000012423 maintenance Methods 0.000 claims abstract description 23
- 238000013461 design Methods 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 230000035515 penetration Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/285—Aircraft wire antennas
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Abstract
The application provides a matrix waveguide and airplane integrated method and system, wherein the method comprises the following steps: constructing a task system digital model according to the three-dimensional electronic prototype; according to the task system digital model, arranging antennas at two sides of the machine body, installing the direction of the matrix waveguide after entering the machine body, and taking the longest path of matrix waveguide as a reference, and arranging the rest waveguides in equal length; reserving a maintenance area in the central area of the matrix waveguide, and performing rectangular switching on the matrix waveguide on two sides of the maintenance area; and arranging a soft waveguide for switching at the position where the rectangular waveguide enters the cabinet.
Description
Technical Field
The invention belongs to the technical field of aviation, and particularly relates to a matrix waveguide and airplane integrated integration method and system.
Background
The waveguide is a special metal tube capable of transmitting electromagnetic wave inside, and a high-power antenna transmitting system is formed by a section of straight (hard) waveguide, a section of soft waveguide, a section of bent waveguide, a section of twisted waveguide, connecting mechanisms at two ends and port waveguide elements. At present, in the technical field of aviation, single-path/multi-path (no more than 4 paths) waveguides are used for carrying out high-power transmission on an antenna, so that the high-power transmission method has the characteristics of low loss rate, high reliability and the like, and is widely applied.
With the continuous development of avionics technology, various avionics devices, especially antenna technology, are developing towards high-power and low-loss technology. Especially, a large amount of multiband transmitting antennas (more than 20 paths) are installed, so that the existing single-path/multi-path (no more than 10 paths) waveguide and airplane integration technology can not meet the requirements of technical development in the field of modern aviation, and the installation and the use of the multiband transmitting antennas (more than 20 paths of waveguides) are seriously influenced.
Disclosure of Invention
The invention overcomes the defects of the existing waveguide and airplane integration technology, provides a matrix waveguide and airplane integrated design method, and mainly solves the problem that more than 10 paths of waveguides are integrated with an airplane in an integrated manner, so that the installation of a novel high-power transmitting antenna is completed.
In order to solve the problems, the invention adopts the following technical scheme:
in a first aspect, the present application provides a method for integrating a matrix waveguide with an aircraft, the method comprising:
constructing a task system digital model according to the three-dimensional electronic prototype;
according to the task system digital model, arranging antennas at two sides of the machine body, installing the direction of the matrix waveguide after entering the machine body, and taking the longest path of matrix waveguide as a reference, and arranging the rest waveguides in equal length;
reserving a maintenance area in the central area of the matrix waveguide, and performing rectangular switching on the matrix waveguide on two sides of the maintenance area;
and arranging a soft waveguide for switching at the position where the rectangular waveguide enters the cabinet.
Specifically, the task system digital model comprises the number of antenna waveguide transmitting connecting channels, the number of soft waveguides and the shape of a cabin penetrating flange.
Specifically, the matrix waveguide is formed by combining a hard waveguide and a waveguide switch.
In a second aspect, the present application provides an integrated system of a matrix waveguide and an aircraft, the system includes a soft waveguide 1, a hard waveguide 2, a cabin-penetrating flange 3, a waveguide conversion switch 4, a matrix waveguide 5, an antenna 6, and a cabinet 7, wherein:
the N antennas 6 are arranged on the outer side of the airplane body, penetrate through the airplane body and are arranged below a floor beam in a preset range of the airplane, and the N antennas 6 are sequentially communicated with the corresponding soft waveguide 1, the cabin penetrating flange 3, the matrix waveguide 5, the soft waveguide 1 and the hard waveguide 2 and the corresponding waveguide channel in the cabinet 7; the soft waveguide 1 and the hard waveguide 2 are connected through a cabin penetrating flange 3; the matrix waveguide 5 is a hard waveguide switched by the waveguide switch 4.
Specifically, a hollow-out portion is arranged on one side of the matrix waveguide 5, and a maintenance cover is arranged on the hollow-out portion so that maintenance personnel can conveniently enter the maintenance cover.
Specifically, the length of each channel loop is equal, and the channel loops include an antenna 6 arranged outside the machine body, a soft waveguide 1 corresponding to the antenna 6, a cabin-penetrating flange 3, a matrix waveguide 5, the soft waveguide 1, a hard waveguide 2, and a waveguide channel corresponding to the inside of the machine cabinet 7.
In particular, the rectangular shape of the matrix waveguide 5 matches the cross-section inside the aircraft cabin.
Specifically, N is equal to or greater than 10.
The invention provides a matrix waveguide and airplane integrated design method, which adopts a matrix waveguide system to carry out integrated design with an airplane, reserves a maintenance area of the waveguide and realizes the installation of novel high-power transmitting antenna (more than 10 paths) waveguides.
Drawings
FIG. 1 the present application provides a general waveguide trend effect plot;
FIG. 2 is a graph illustrating the effect of a central maintenance area of a waveguide;
FIG. 3 is a diagram illustrating the effect of the flexible design of the soft and hard waveguide connection;
wherein: 1-soft waveguide, 2-hard waveguide, 3-cabin-penetrating flange, 4-waveguide conversion switch, 5-matrix waveguide, 6-antenna and 7-cabinet.
Detailed Description
The invention belongs to the technical field of aviation weapons, and relates to a matrix waveguide and airplane integrated design method. The invention mainly relates to the design of an antenna system (comprising a reflecting antenna and a terminal cabinet), a flexible waveguide, a cabin penetrating flange, a waveguide conversion switch and an airplane transfer corner piece. The invention overcomes the defects of the integration technology of using single/multi-path (no more than 4 paths) waveguides and airplanes in the technical field of traditional waveguide-aviation, provides a novel matrix type waveguide connection technology, completes the installation of a multiband transmitting antenna (more than 20 paths of waveguides) and realizes the application and the verification in a certain project.
Example one
A matrix waveguide and airplane integrated design method comprises the following steps:
1. constructing a set of matrix waveguide systems
The matrix waveguide system comprises an antenna system (comprising a reflecting antenna and a terminal cabinet), a flexible waveguide, a cabin penetrating flange, a waveguide conversion switch and an airplane transfer corner piece.
2. Matrix waveguide system design method
(1) Designing a flexible waveguide and a cabin penetrating flange according to the number of the three-dimensional electronic prototype and the number of the antenna waveguide transmitting connecting channels, so that multiple paths of waveguides enter an airplane airtight cabin;
(2) The high-power transmitting antennas (more than 10 paths) are arranged on two sides of the machine body, the trend of the installed waveguides after entering the machine body and the installation equal phase principle are adopted, the longest path of waveguide is taken as a design reference, and the rest waveguides are arranged in equal length;
(3) Considering the need of waveguide maintenance, a maintenance area needs to be reserved in the central area of the waveguide, and the waveguide is subjected to rectangular switching on two sides of the maintenance area;
(4) Designing a waveguide change-over switch at the waveguide turning part;
(5) And arranging a soft waveguide for switching at the position where the waveguide enters the cabinet.
Example two
In order to meet the tactical technical requirements of a certain system, a task system of a certain system waveguide is integrally three-dimensionally designed according to the arrangement condition of the airplane state and the installation position of a cabinet in the early design, a three-dimensional electronic prototype is created in the design process, a task system digital model is constructed, the trend of waveguides under the cabin floor is optimally distributed, a waveguide assembly and an installation support are designed in detail, a maintenance area of a central area is reserved, the trend and phase analysis of the waveguides, the accessibility analysis of equipment maintenance and the like are completed, an asymmetric stepped rectangular distribution scheme of 24 waveguides is finally determined, the equal length requirements of the physics and the phase of the 24 waveguides of the certain system are met, and the system is installed. The concrete solution is as follows:
1) Integrated three-dimensional design of waveguide in under-floor cabin
The antenna is communicated with the antenna on the right side through 24 waveguides under 17-22 frames of floors, the waveguides from 24 switches are divided into two groups, wherein 12 waveguides enter the cabin from one end of the antenna through the soft and hard waveguides and the cabin penetrating flange, matrix waveguides are formed under the floor, the upper floor enters the cabinet, in addition, 12 waveguides enter the cabin from the other antenna through the soft and hard waveguides and the cabin penetrating flange, matrix waveguides are formed under the floor, the upper floor enters the cabinet, and the length of 24 waveguides is required to be the same. According to the function and index requirements of a task system, a high-power 24-path waveguide left-right transverse design is realized in a limited space under the floor by means of three-dimensional simulation analysis and the like, and the overall direction design of the waveguide is shown in figure 1.
2) Waveguide maintenance layout design
The 24 paths of waveguides are connected in a left-right transverse and front-back mode to form four stepped waveguide walls which are connected in a left-right transverse and front-back mode, and the waveguides form a sealed type shape body after being installed, namely, personnel cannot reach the position 22 behind the position 17 in the floor from the front, the maintenance of the waveguide change-over switch and other waveguides in the central area under the floor is seriously influenced, and in order to solve the problem of maintainability of the waveguides under the floor, a three-dimensional model is adopted. The maintenance scene of the equipment under the floor is simulated, the optimization is carried out for many times, the center hollow design is adopted, the hollow part corresponds to the airplane body, the maintenance opening cover can be arranged at the center of the airplane, the problem of the maintainability of the waveguide change-over switch and other waveguides in the center area is well solved, and the design effect is shown in figure 2.
3) Flexible design for soft and hard waveguide connection
Because the system is suitable for the environmental influences of body vibration, impact acceleration and the like, the waveguide connection of a certain system adopts a mode of combining a soft waveguide and a hard waveguide, the design effect is shown in the attached figure 3, and the specific design is as follows:
the waveguide connection between the outside of the airtight walls at two sides of a certain antenna cabin and an antenna adopts the combination of a soft waveguide and a hard waveguide and the connection of an antenna rotating shaft adopts the soft waveguide connection so as to meet the requirement that the waveguide needs to be bent to a certain extent when the antenna slowly swings left and right; connected with the airtight wall of the machine body is a hard waveguide. The soft and hard waveguide connection adopts a connecting flange connection, and the waveguide penetration adopts a penetration flange connection.
And 24 waveguides penetrate out of the floor and enter the cabinet within the range of 100mm from the floor behind the transmitter cabinet, and the floor-crossing connection area of the cabinet and the waveguides adopts a mode of combining soft waveguides and hard waveguides so as to adapt to displacement caused by vibration isolators at the bottom and the back of the cabinet.
Claims (8)
1. A method of integrating a matrix waveguide with an aircraft, the method comprising:
constructing a task system digital model according to the three-dimensional electronic prototype;
according to the task system digital model, arranging antennas at two sides of the machine body, installing the direction of the matrix waveguide after entering the machine body, and taking the longest path of matrix waveguide as a reference, and arranging the rest waveguides in equal length;
reserving a maintenance area in the central area of the matrix waveguide, and performing rectangular switching on the matrix waveguide on two sides of the maintenance area;
and arranging a soft waveguide for switching at the position where the rectangular waveguide enters the cabinet.
2. The method of claim 1, wherein the mission system digital model comprises a number of antenna waveguide launch connection channels, a number of soft waveguides, and a cross-hatch flange shape.
3. The method of claim 1, wherein the matrix waveguide is formed by a combination of a hard waveguide and a waveguide switch.
4. A matrix waveguide and airplane integrated system is characterized by comprising a soft waveguide (1), a hard waveguide (2), a cabin penetrating flange (3), a waveguide change-over switch (4), a matrix waveguide (5), an antenna (6) and a cabinet (7), wherein:
the N antennas (6) are arranged on the outer side of the airplane body, penetrate through the airplane body and are arranged below a floor beam in a preset range of the airplane, and are communicated with the corresponding soft waveguide (1), the cabin penetrating flange (3), the matrix waveguide (5), the soft waveguide (1) and the hard waveguide (2) in sequence and the corresponding waveguide channel in the cabinet (7); the soft waveguide (1) and the hard waveguide (2) are connected through a cabin penetrating flange (3); the matrix waveguide (5) is a hard waveguide which is switched through a waveguide switch (4);
the waveguide integrated three-dimensional design in the under-floor cabin is as follows: the antenna is communicated with the right-side antenna through 24 waveguides under 17-22 frames of floors, the waveguides from 24 switches are divided into two groups, wherein 12 waveguides enter the cabin from one end of the antenna through the soft and hard waveguides and the cabin penetrating flange, matrix waveguides are formed under the floor, the upper floor enters the cabinet, the other 12 waveguides enter the cabin from the other antenna through the soft and hard waveguides and the cabin penetrating flange, matrix waveguides are formed under the floor, the upper floor enters the cabinet, and the lengths of the 24 waveguides are required to be the same;
waveguide maintenance layout design: the 24 paths of waveguides are connected in a left-right transverse and front-back manner to form four stepped waveguide walls which are connected in a left-right transverse and front-back manner, and the waveguides form a sealed circular body after being installed;
soft and hard waveguide connection flexible design: the waveguide connection between the outside of the airtight walls at the two sides of the antenna cabin and the antenna adopts the combination of soft waveguide and hard waveguide and the connection of the antenna rotating shaft adopts soft waveguide connection; the hard waveguide is connected with the airtight wall of the machine body; the soft and hard waveguide connection adopts a connecting flange connection, and the waveguide penetration adopts a penetration flange connection.
5. System according to claim 4, characterized in that one side of the matrix waveguide (5) is provided with a cutout, which cutout is provided with a maintenance flap for the access of maintenance personnel.
6. System according to claim 4, characterized in that each channel loop is of equal length, comprising an antenna (6) arranged outside the machine body, a soft waveguide (1) corresponding to the antenna (6), a cross-cabin flange (3), a matrix waveguide (5), a soft waveguide (1), a hard waveguide (2), and a corresponding waveguide channel inside the cabinet (7).
7. System according to claim 4, characterized in that the rectangular shape of the matrix waveguide (5) matches the cross-section inside the aircraft cabin.
8. The system of claim 4, wherein N is greater than or equal to 10.
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| CN115489766B (en) * | 2022-08-31 | 2025-03-25 | 西安空间无线电技术研究所 | A connection structure of satellite through-cabin waveguide |
| CN116280290A (en) * | 2023-03-01 | 2023-06-23 | 中国空间技术研究院 | Device for improving installation accuracy of large-scale cross-cabin waveguide |
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