CN216035081U - Installation and rectification protective structure of cabin-type ventral antenna - Google Patents
Installation and rectification protective structure of cabin-type ventral antenna Download PDFInfo
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- CN216035081U CN216035081U CN202121891150.8U CN202121891150U CN216035081U CN 216035081 U CN216035081 U CN 216035081U CN 202121891150 U CN202121891150 U CN 202121891150U CN 216035081 U CN216035081 U CN 216035081U
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Abstract
The utility model belongs to the technical field of aviation technical structure design, and discloses a cabin-type ventral antenna installation and rectification protection structure, wherein a plurality of antenna devices are installed at the same position of a ventral by adopting a cabin-type structure, and the antenna devices with electromagnetic interference are physically shielded and isolated by adopting a metal plate so as to prevent the change of the antenna position from influencing the function realization; the same aerodynamic shape antenna housing is adopted to prevent a plurality of aerodynamic shape antenna housings from influencing the aerodynamic performance of the airplane; meanwhile, according to wave transmission and maintenance requirements of different antenna devices, the antenna housing with the same pneumatic appearance is designed in a segmented mode and is connected with the machine body and the antenna housing supporting structure through a quick-release lock; the water guide strips are designed inside the radome, the water leakage holes are designed at the lowest point of the radome, and the requirement of water prevention and drainage is met by designing the water guide holes at the lowest point of the radome supporting structure.
Description
Technical Field
The utility model belongs to the technical field of aviation technical structure design, and particularly relates to a cabin type ventral antenna installation and rectification protection structure.
Background
The modern special aircraft has more radar antenna devices arranged outside the aircraft body due to operational requirements, and some antenna devices are required to be arranged outside the belly of the aircraft due to functional requirements. At present, in order to avoid mutual electromagnetic interference of different antenna devices, the antenna installation positions need to be properly adjusted, the antenna devices need to be separated by enough distance, and the realization of the antenna functional performance is influenced to a certain extent after the positions of some antenna devices are changed; the number of antenna fairings outside the machine body is large, so that the pneumatic performance is influenced; and meanwhile, after the aircraft is shut down, the distance between the belly and the ground is short, and if the antenna housing is too large, the antenna housing is difficult to disassemble, so that the antenna housing is not beneficial to the maintenance of antenna equipment.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects in the prior art, and provides a cabin type ventral antenna installation and rectification protection structure.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme.
A cabin-type ventral antenna mounting and rectifying protective structure, the structure comprising: the device comprises a front cabin antenna housing 1, an antenna housing supporting structure 4, a rear cabin antenna housing 5, a shielding isolation plate 6, a quick-release lock 8 and a machine body structure 10; the front cabin antenna housing 1 and the rear cabin antenna housing 5 have different wave-transmitting performance;
the front cabin antenna housing 1 and the rear cabin antenna housing 5 adopt the same pneumatic shape to form a complete antenna housing, and are connected to the engine body structure 10 and the antenna housing supporting structure 4 through the quick-release lock 8;
the antenna housing support structure 4 is arranged between the front-cabin antenna housing 1 and the rear-cabin antenna housing 5, and the antenna housing support structure 4 is fixedly connected to the machine body structure 10;
a shielding isolation plate 6 is arranged on the radome support structure 4, so that the front cabin and the rear cabin in the radome are electromagnetically isolated.
The technical scheme of the utility model has the characteristics and further improvements that:
(1) the structure further includes: a flow guide strip 7;
the flow guide strip 7 is arranged in a region close to the connection position of the radome and the machine body structure 10.
(2) The structure further includes: a first water leakage hole 9 and a second water leakage hole 11;
the first water leakage hole 9 is arranged at the lowest point of the front compartment antenna housing 1, and the second water leakage hole 11 is arranged at the lowest point of the rear compartment antenna housing 5.
(3) The structure further includes: a water guide hole 12;
the water guide hole 12 is arranged at the lowest point of the radome support structure 4 and the shielding isolation plate 6.
(4) The structure further includes: polysulfide sealant 13;
the polysulfide sealant 13 is filled in the mounting positions of the front compartment antenna housing 1, the rear compartment antenna housing 5 and the engine body structure 10, and the mounting positions of the front compartment antenna housing 1, the rear compartment antenna housing 5 and the antenna housing support structure 4.
(5) A first antenna mounting bracket 3a is arranged in a front cabin in the antenna housing, and a second antenna mounting bracket 3b is arranged in a rear cabin in the antenna housing;
the first antenna mounting bracket 3a is used for mounting the first antenna device 2a, and the second antenna mounting bracket 3b is used for mounting the second antenna device 2 b.
Compared with the prior art, the utility model has the beneficial effects that: a plurality of antenna devices are arranged at the same position of the belly by adopting a metal shielding isolation plate and a cabin type structure, so that the mutual electromagnetic interference among the antenna devices can be avoided, and the optimal function of a transmitting antenna can be realized; the antenna housing with the same pneumatic shape is adopted, and the antenna housing is designed in a segmented manner, so that the defect that a plurality of antenna housings influence the pneumatic performance can be prevented, and the wave transmission and installation and maintenance requirements of various antenna devices can be met; the structure of the water guide strip, the water guide hole, the water leakage hole and the like is adopted, so that the antenna equipment can be prevented from being influenced by rainwater and damaged, the corrosion resistance of the structure is improved, and the waterproof and drainage requirements are met.
Drawings
Fig. 1 is a schematic view illustrating a cabin-type ventral antenna installation and rectification protection structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a water guide hole and a water leakage hole provided in an embodiment of the present invention;
FIG. 3 is a schematic view of a tie bar according to an embodiment of the present invention;
wherein: 1. the antenna comprises a front-cabin antenna housing, 2a first antenna device, 3a first antenna mounting bracket, 2b second antenna device, 3b second antenna mounting bracket, 4 an antenna housing supporting structure, 5 a rear-cabin antenna housing, 6 a shielding isolation plate, 7 a flow guide strip, 8 a quick-release lock, 9 a first water leakage hole, 10 a machine body structure, 11 a second water leakage hole, 12 a water guide hole and 13 polysulfide sealant.
Detailed Description
The embodiment of the utility model provides a cabin-type ventral antenna installation and rectification protection structure, as shown in fig. 1, the structure comprises: the device comprises a front cabin antenna housing 1, an antenna housing supporting structure 4, a rear cabin antenna housing 5, a shielding isolation plate 6, a quick-release lock 8 and a machine body structure 10; the front cabin antenna housing 1 and the rear cabin antenna housing 5 have different wave-transmitting performance;
the front cabin antenna housing 1 and the rear cabin antenna housing 5 adopt the same pneumatic shape to form a complete antenna housing, and are connected to the engine body structure 10 and the antenna housing supporting structure 4 through the quick-release lock 8;
the antenna housing support structure 4 is arranged between the front-cabin antenna housing 1 and the rear-cabin antenna housing 5, and the antenna housing support structure 4 is fixedly connected to the machine body structure 10;
a shielding isolation plate 6 is arranged on the radome support structure 4, so that the front cabin and the rear cabin in the radome are electromagnetically isolated.
Further, as shown in fig. 3, the structure further includes: a flow guide strip 7;
the flow guide strip 7 is arranged in a region close to the connection position of the radome and the machine body structure 10.
As shown in fig. 1 and 2, the structure further includes: a first water leakage hole 9 and a second water leakage hole 11;
the first water leakage hole 9 is arranged at the lowest point of the front compartment antenna housing 1, and the second water leakage hole 11 is arranged at the lowest point of the rear compartment antenna housing 5.
As shown in fig. 2, the structure further includes: a water guide hole 12;
the water guide hole 12 is arranged at the lowest point of the radome support structure 4 and the shielding isolation plate 6.
As shown in fig. 2, the structure further includes: polysulfide sealant 13;
the polysulfide sealant 13 is filled in the mounting positions of the front compartment antenna housing 1, the rear compartment antenna housing 5 and the engine body structure 10, and the mounting positions of the front compartment antenna housing 1, the rear compartment antenna housing 5 and the antenna housing support structure 4.
Specifically, a first antenna mounting bracket 3a is arranged in a front cabin in the antenna housing, and a second antenna mounting bracket 3b is arranged in a rear cabin in the antenna housing;
the first antenna mounting bracket 3a is used for mounting the first antenna device 2a, and the second antenna mounting bracket 3b is used for mounting the second antenna device 2 b.
According to the technical scheme, in order to meet the requirement of realizing the optimal function of the antenna radar, a plurality of antenna radars are arranged at the same position of the belly by adopting a cabin structure, and antenna equipment is connected with a machine body and a supporting structure through an antenna mounting support. In order to avoid electromagnetic interference, according to the emission wave and the working characteristics of the antenna equipment, an antenna housing supporting structure 4 and a shielding isolation plate 6 are adopted to divide an antenna mounting area into a front cabin and a rear cabin. The front cabin fairing 1 and the rear cabin fairing 5 adopt the same pneumatic appearance, and the front cabin fairing 1 and the rear cabin fairing 5 are mutually independent and are connected with the engine body structure 10 and the antenna housing supporting structure 4 through the quick-release lock 8. A flow guide strip 7 is arranged in the area, close to the connecting position of the antenna housing and the machine body structure 10, inside the antenna housing, so that rainwater is prevented from leaking to the antenna equipment; and polysulfide sealant 13 is filled in the mounting positions of the front cabin antenna housing 1, the rear cabin antenna housing 5 and the engine body structure 10. The design hole 9 that leaks of 1 minimum of front deck antenna house, the design hole 11 that leaks of rear deck antenna house minimum, antenna house bearing structure 4 and 6 minimum design water guide holes 12 of shielding division board.
The utility model adopts a cabin-type structure to install a plurality of antenna devices at the same position of the belly, and adopts a metal plate to physically shield and isolate the antenna devices with electromagnetic interference so as to prevent the change of the antenna position from influencing the function realization; the same aerodynamic shape antenna housing is adopted to prevent a plurality of aerodynamic shape antenna housings from influencing the aerodynamic performance of the airplane; meanwhile, according to wave transmission and maintenance requirements of different antenna devices, the antenna housing with the same pneumatic appearance is designed in a segmented mode and is connected with the machine body and the antenna housing supporting structure through a quick-release lock; the water guide strips are designed inside the radome, the water leakage holes are designed at the lowest point of the radome, and the requirement of water prevention and drainage is met by designing the water guide holes at the lowest point of the radome supporting structure.
Claims (6)
1. A cabin-type ventral antenna mounting and rectification protective structure, characterized in that the structure includes: the antenna comprises a front cabin antenna housing (1), an antenna housing supporting structure (4), a rear cabin antenna housing (5), a shielding isolation plate (6), a quick-release lock (8) and a machine body structure (10); the front cabin antenna housing (1) and the rear cabin antenna housing (5) have different wave-transmitting performances;
the front cabin antenna housing (1) and the rear cabin antenna housing (5) adopt the same pneumatic shape to form a complete antenna housing, and are connected to the machine body structure (10) and the antenna housing supporting structure (4) through the quick-release lock (8);
the antenna housing support structure (4) is arranged between the front-cabin antenna housing (1) and the rear-cabin antenna housing (5), and the antenna housing support structure (4) is fixedly connected to the machine body structure (10);
a shielding isolation plate (6) is arranged on the antenna housing supporting structure (4), so that a front cabin and a rear cabin in the antenna housing are electromagnetically isolated.
2. A cabin belly antenna mounting and radome structure according to claim 1, wherein said structure further comprises: a flow guide strip (7);
the guide strips (7) are arranged in a region close to the connection position of the radome and the machine body structure (10).
3. A cabin belly antenna mounting and radome structure according to claim 1, wherein said structure further comprises: a first water leakage hole (9) and a second water leakage hole (11);
the first water leakage hole (9) is arranged at the lowest point of the front-cabin antenna housing (1), and the second water leakage hole (11) is arranged at the lowest point of the rear-cabin antenna housing (5).
4. A cabin belly antenna mounting and radome structure according to claim 1, wherein said structure further comprises: a water guide hole (12);
the water guide hole (12) is formed in the lowest point of the antenna housing support structure (4) and the shielding isolation plate (6).
5. A cabin belly antenna mounting and radome structure according to claim 1, wherein said structure further comprises: a polysulfide sealant (13);
the polysulfide sealant (13) is filled in the mounting positions of the front-cabin antenna housing (1), the rear-cabin antenna housing (5) and the engine body structure (10) and the mounting positions of the front-cabin antenna housing (1), the rear-cabin antenna housing (5) and the antenna housing supporting structure (4).
6. A cabin-type ventral antenna mounting and radome structure according to claim 1 wherein a front cabin inside the radome is provided with a first antenna mounting bracket (3a) and a rear cabin inside the radome is provided with a second antenna mounting bracket (3 b);
the first antenna mounting bracket (3a) is used for mounting the first antenna device (2a), and the second antenna mounting bracket (3b) is used for mounting the second antenna device (2 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121891150.8U CN216035081U (en) | 2021-08-12 | 2021-08-12 | Installation and rectification protective structure of cabin-type ventral antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121891150.8U CN216035081U (en) | 2021-08-12 | 2021-08-12 | Installation and rectification protective structure of cabin-type ventral antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216035081U true CN216035081U (en) | 2022-03-15 |
Family
ID=80558360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121891150.8U Active CN216035081U (en) | 2021-08-12 | 2021-08-12 | Installation and rectification protective structure of cabin-type ventral antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216035081U (en) |
-
2021
- 2021-08-12 CN CN202121891150.8U patent/CN216035081U/en active Active
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