Airborne front antenna
By designing an outer shell and fixed support structure with a specific angle, combined with a modular base and foolproof design, the problem of poor signal reception of the airborne front antenna under different flight conditions was solved, achieving stability and reliability of signal transmission quality, and meeting the requirements for lightweight aircraft.
Patent Information
- Application Number
- CN202520286097.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-21
AI Technical Summary
The existing airborne front antenna cannot dynamically adjust its installation angle under different flight conditions, resulting in poor signal reception. In particular, it may cause signal loss or interference during high-speed flight, sharp turns, or large pitch angles, affecting communication stability and reliability.
An airborne front antenna was designed, which adopts a base and housing structure. The two sides of the housing form an angle greater than 90°. The mounting bracket is equipped with an inclined mounting surface and screw holes. Combined with the modular base, connector and foolproof design, it ensures that the antenna assembly transmits vertically. With the arc structure to reduce weight, the optimal signal reception direction is achieved.
Through heterogeneous error-proof design and modular structure, the installation error rate is reduced, the assembly efficiency is improved, the antenna assembly is aligned with the optimal signal reception direction, the communication stability and reliability are enhanced, and the requirements for lightweight aircraft are met.
Smart Images
Figure CN223729002U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model is suitable for antenna connecting seat technical field, provide a kind of airborne front antenna. BACKGROUND
[0002] Airborne front antenna refers to the radio antenna installed in the front of aircraft, used for receiving and sending signals. As an important part of aviation communication system, airborne front antenna is mainly used for radio communication with ground control center, other aircraft or satellite. It is responsible for receiving and sending data, voice and navigation signals, and plays a crucial role in ensuring the smooth communication of aircraft and flight safety.
[0003] The structure of airborne front antenna is usually composed of antenna base, radiation unit, connector and bracket. The antenna base is generally installed at a specific position on the front of aircraft fuselage to ensure the universality of signal coverage and the stability of reception. The radiation unit is responsible for transmitting and receiving electromagnetic wave signals, which is connected to the bracket, and the bracket is used to firmly mount the antenna on the aircraft.
[0004] However, the current airborne front antenna is usually installed at a fixed position on the aircraft fuselage, and has no inclination angle. This design limits the signal reception effect of the antenna in different flight states. Since the installation angle of the antenna cannot be dynamically adjusted according to the flight attitude, the antenna may not always point to the best signal reception direction during different flight altitudes, speeds or turning processes. Especially in high-speed flight, sharp turning or large pitch angle, the fixed angle of the antenna may cause the quality of signal transmission to decline, resulting in signal loss or interference, which affects the stability and reliability of communication. SUMMARY
[0005] In view of the above defects, the purpose of the utility model is to provide an airborne front antenna, which aims to solve the problems raised in the background art. The device includes a base and a shell body mounted on the top of the base. Two opposite sides of the shell body are respectively a first plane and a second plane, and the included angle between the first plane and the second plane and the top surface of the base is greater than 90°. The top of the base is fixedly connected with a first fixed bracket and a second fixed bracket, and the first fixed bracket and the second fixed bracket are both provided with an antenna assembly. The forward direction of the signal sending end of the antenna assembly is perpendicular to the direction of the first plane.
[0006] Further, the first fixed bracket and the second fixed bracket respectively include a first mounting surface and a second mounting surface with the same inclination angle, and the first mounting surface and the second mounting surface are parallel to the first plane on the shell body.
[0007] Further, the first fixed support and the second fixed support are respectively provided with a first fixed part and a second fixed part, end faces of the first fixed part and the second fixed part are arranged in parallel with the first mounting surface and the second mounting surface, and screw holes for mounting the antenna assembly are arranged on the first fixed part and the second fixed part.
[0008] Further, the first fixed support and the second fixed support are respectively provided with a first fixed part and a second fixed part, end faces of the first fixed part and the second fixed part are arranged in parallel with the first mounting surface and the second mounting surface, and screw holes for mounting the antenna assembly are arranged on the first fixed part and the second fixed part.
[0009] Further, the top of the base is provided with a connecting seat, and a signal interface is fixedly connected to the connecting seat.
[0010] Further, two signal interfaces are arranged on the connecting seat, two through holes are arranged on the connecting seat, signal lines for connecting the antenna assembly are fixedly connected to the signal interfaces, interface fixing strips are fixedly connected to the top of the signal interfaces, and the signal lines on the signal interfaces pass through the through holes of the connecting seat.
[0011] Further, the top of the base is fixedly connected with a first positioning block and a second positioning block matched with the position of the first fixed support, and the top of the base is fixedly connected with a third positioning block and a fourth positioning block matched with the position of the second fixed support; the first positioning block and the second positioning block are different in shape, and the third positioning block and the fourth positioning block are different in shape.
[0012] The bottom of the first fixed support and the second fixed support is respectively provided with a first fixed seat and a second fixed seat; the bottom of the first fixed seat is provided with two grooves matched with the shapes of the first positioning block and the second positioning block, and the bottom of the second fixed seat is provided with two grooves matched with the shapes of the third positioning block and the fourth positioning block.
[0013] Further, the first fixed seat and the second fixed seat are both provided with through holes through which bolts can pass, and the first positioning block, the second positioning block, the third positioning block and the fourth positioning block are all provided with screw holes through which bolts can be installed.
[0014] Further, the end of the shell body away from the base is in an arc shape.
[0015] The utility model discloses a structure of the antenna assembly, which is characterized by the following aspects: the first fixed support and the second fixed support are arranged on the base, the first fixed support and the second fixed support are respectively provided with the first fixed part and the second fixed part, the end faces of the first fixed part and the second fixed part are arranged in parallel with the first mounting surface and the second mounting surface, the first fixed part and the second fixed part are both provided with the screw hole for mounting the antenna assembly, the top of the base is provided with the connecting seat, the signal interface is fixedly connected to the connecting seat, two signal interfaces are arranged on the connecting seat, two through holes are arranged on the connecting seat, the signal lines for connecting the antenna assembly are fixedly connected to the signal interfaces, the interface fixing strips are fixedly connected to the top of the signal interfaces, and the signal lines on the signal interfaces pass through the through holes of the connecting seat. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a three-dimensional schematic view of the device structure;
[0017] Figure 2 It is a side view of the device structure;
[0018] Figure 3 It is a schematic view of the internal structure of the device;
[0019] Figure 4 It is a schematic view of the base structure;
[0020] Figure 5 It is a schematic view of the connecting seat structure;
[0021] In the figure: 01-outer shell; 1-base; 101-first positioning block; 102-second positioning block; 103-third positioning block; 104-fourth positioning block; 21-connecting seat; 22-interface fixing strip; 23-signal interface; 3-first fixing support; 31-first fixing seat; 32-U-shaped notch; 33-first mounting surface; 34-first fixing part; 4-second fixing support; 41-second fixing seat; 42-threading hole; 43-second mounting surface; 44-second fixing part. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0023] It should be noted that in the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0024] At the same time, in the description of the present application, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0025] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.
[0026] Referring to Figures 1-5 The utility model aims at providing a kind of airborne front antenna, including base 1 and the shell body 01 of installation in the top of base 1, cavity is equipped in the inside of shell body 01.Specifically, base 1 is detachably connected with shell body 01 by bolt.The included angle that two opposite sides of shell body 01 and the top surface of base 1 present is a, angle a is 108 °.Specifically, the downward projection plane of the top surface of base 1 is rectangle, the plane where it is and the plane where one side of shell body 01 is present a included angle, is recorded as first plane, another plane of shell body 01 away from the first plane is parallel to the first plane, is recorded as second plane;Second plane is away from the included angle that one side of shell body 01 and the top plane of base 1 present a', a' is 72 °.Antenna assembly (signal transmitting, receiving component is existing signal transmitting component, in the figure has been hidden) is installed in the inside of shell body 01, and the positive direction of the signal sending end of antenna assembly is perpendicular to the direction of first plane.
[0027] First fixed support 3 and second fixed support 4 are fixedly connected on the top of base 1, and first fixed support 3 and second fixed support 4 are detachably connected on the top of base 1 by bolt.First fixed support 3 and second fixed support 4 respectively include a first mounting surface 33 and second mounting surface 43 with same inclination angle, and the first mounting surface 33 and second mounting surface 43 are parallel to the first plane on the shell body 01.First fixed support 3 and second fixed support 4 are respectively provided with first fixed part 34 and second fixed part 44.Specifically, first fixed part 34 and second fixed part 44 are respectively located at the end of first fixed support 3 and second fixed support 4 away from base 1, and the end surface of first fixed part 34 and second fixed part 44 is parallelly arranged with the first mounting surface 33 and second mounting surface 43.Screw holes for mounting antenna assembly are provided on first fixed part 34 and second fixed part 44, and antenna assembly (signal transmitting, receiving component) can be mounted on first fixed part 34 and second fixed part 44 by bolt, so that the signal sending end of antenna assembly can be perpendicular to the plane where first fixed part 34 and second fixed part 44 are located and signal outward.
[0028] U-shaped notch 32 and threading port 42 are respectively provided on first fixed support 3 and second fixed support 4, and U-shaped notch 32 and threading port 42 are used for passing through the signal connecting line of antenna assembly.
[0029] Preferably, the top of the base 1 is provided with a connecting seat 21, and a signal interface 23 is fixedly connected to the connecting seat 21, and the signal interface 23 is downwardly directed. The connecting seat 21 can ensure that the signal interface 23 is reliably fixed at the bottom of the entire device and is not easily damaged.
[0030] Preferably, the signal interface 23 is fixedly connected with a signal line for connecting an antenna assembly, and the signal interface 23 is provided with two on the connecting seat 21; specifically, the connecting seat 21 is provided with two through holes, the top of the signal interface 23 is fixedly connected with an interface fixing strip 22, the signal line on the signal interface 23 can pass through the through holes, and then the interface fixing strip 22 is clamped at the through holes and cannot pass through, the interface fixing strip 22 is provided with screw holes, and the interface fixing strip 22 is fixed to the connecting seat 21 by screws. In this way, the design of module replacement is completed, the signal interface 23, the interface fixing strip 22 and the signal line form one module, the connecting seat 21 forms another module, and the base 1 forms yet another module, and the three modules are sequentially installed, which can facilitate the assembly of the production line and the production of products.
[0031] Preferably, the top of the base 1 is fixedly connected with a first positioning block 101 and a second positioning block 102 matched with the positions of the first fixed support 3, and the top of the base 1 is fixedly connected with a third positioning block 103 and a fourth positioning block 104 matched with the positions of the second fixed support 4. The first positioning block 101 and the second positioning block 102 are different in shape, and the third positioning block 103 and the fourth positioning block 104 are different in shape. The bottom of the first fixed support 3 is provided with a first fixed seat 31, and the bottom of the second fixed support 4 is provided with a second fixed seat 41. The bottom of the first fixed seat 31 is provided with two grooves matched with the shapes of the first positioning block 101 and the second positioning block 102, respectively, and the bottom of the second fixed seat 41 is provided with two grooves matched with the shapes of the third positioning block 103 and the fourth positioning block 104, respectively. This design is a foolproof design, which facilitates the installation of the first fixed support 3 and the second fixed support 4 on the base 1 in the installation process of workers.
[0032] Preferably, the first fixed seat 31 and the second fixed seat 41 are each provided with a through hole through which a bolt can pass, and the first positioning block 101, the second positioning block 102, the third positioning block 103 and the fourth positioning block 104 are each provided with a screw hole through which a bolt can be installed. The bolt can be screwed into the screw holes of the first positioning block 101, the second positioning block 102, the third positioning block 103 and the fourth positioning block 104 to install the first fixed support 3 and the second fixed support 4.
[0033] Preferably, the outer shell 01 is arc-shaped at the end away from the base 1. The arc-shaped end face of the outer shell 01 can ensure that the overall volume of the device is reduced while the internal space of the outer shell 01 is appropriately reduced and the antenna assembly (signal transmitting and receiving assembly) can be installed, so that the device is more lightweight.
[0034] In actual use, the mounting structure principle of the on-board front antenna is as follows:
[0035] The connecting seat 21 module is fixed through the interface fixing strip 22 and the screw hole of the base 1, and the bottom of the signal interface 23 is positioned. Then, according to the fool-proof design of the top of the base 1, the first fixing seat 31 groove of the first fixing support 3 is aligned with the first positioning block 101 and the second positioning block 102 of the base 1, the second fixing seat 41 of the second fixing support 4 is aligned with the third positioning block 103 and the fourth positioning block 104, and the support is fixed through bolt fastening. The antenna assembly is fixed through the screw hole of the first fixing part 34 and the second fixing part 44, the signal end is vertically outwardly radiated from the first mounting surface 33 / second mounting surface 43, the signal connection line is led out to the signal interface 23 through the U-shaped gap 32 and the threading hole 42. Finally, the shell body 01 is bolted with the base 1 in the direction of the side surface upward at an angle of 108°, forming a closed cavity wrapping the antenna assembly. The arc-shaped end surface of the shell body 01 optimizes the spatial layout.
[0036] Therefore, the device can prevent installation error rate through the heterogeneous fool-proof design, improve assembly efficiency by cooperating with the modular base 1, connecting seat 21 and interface fixing strip 22 structure, and at the same time, the arc-shaped end surface of the shell body 01 can ensure the internal space while realizing weight reduction, meeting the requirement of aircraft lightweight, and the antenna assembly in the device after installation can maximize the guarantee of the best signal receiving direction, ensuring the signal transmission quality, enhancing the stability and reliability of communication.
[0037] Of course, the utility model also can have other various embodiments, the skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but these corresponding changes and deformations should all belong to the protection scope of the claims attached to the utility model.
Claims
1. An on-board front antenna, characterized by, The base (1) and the top of the shell (01) are fixedly connected, two opposite sides of the shell (01) are respectively a first plane and a second plane, and the included angle between the first plane and the second plane and the top surface of the base (1) is greater than 90°. The top of the base (1) is fixedly connected with a first fixed support (3) and a second fixed support (4), and an antenna assembly is mounted on each of the first fixed support (3) and the second fixed support (4). The positive direction of the signaling end of the antenna assembly is perpendicular to the direction of the first plane.
2. The on-board front antenna according to claim 1, characterized in that, The first fixed support (3) and the second fixed support (4) respectively include a first mounting surface (33) and a second mounting surface (43) with the same inclination angle, and the first mounting surface (33) and the second mounting surface (43) are parallel to the first plane on the shell (01).
3. The on-board front antenna according to claim 1, characterized in that, The first fixed support (3) and the second fixed support (4) are respectively provided with a first fixed part (34) and a second fixed part (44), the end surface of the first fixed part (34) and the second fixed part (44) is parallel to the first mounting surface (33) and the second mounting surface (43), and screw holes for mounting the antenna assembly are provided on the first fixed part (34) and the second fixed part (44).
4. The on-board front antenna according to claim 1, characterized in that, The first fixed support (3) and the second fixed support (4) are respectively provided with a U-shaped notch (32) and a threading port (42) for passing through the signal connection line of the antenna assembly.
5. The airborne front antenna of claim 1, wherein, The top of the base (1) is provided with a connecting seat (21), and the connecting seat (21) is fixedly connected with a signal interface (23).
6. The airborne front antenna of claim 5, wherein, The signal interface (23) is provided with two on the connecting seat (21), the connecting seat (21) is provided with two through holes, the signal interface (23) is fixedly connected with a signal line for connecting the antenna assembly, and the top of the signal interface (23) is fixedly connected with an interface fixed strip (22). The signal line on the signal interface (23) passes through the through hole of the connecting seat (21).
7. The airborne front antenna of claim 6, wherein, The top of the base (1) is fixedly connected with a first positioning block (101) and a second positioning block (102) matched with the position of the first fixed support (3), and the top of the base (1) is fixedly connected with a third positioning block (103) and a fourth positioning block (104) matched with the position of the second fixed support (4). The shapes of the first positioning block (101) and the second positioning block (102) are different, and the shapes of the third positioning block (103) and the fourth positioning block (104) are different. The bottom of the first fixed support (3) and the second fixed support (4) is respectively provided with a first fixed seat (31) and a second fixed seat (41). The bottom of the first fixed seat (31) is provided with two grooves matched with the shapes of the first positioning block (101) and the second positioning block (102), respectively, and the bottom of the second fixed seat (41) is provided with two grooves matched with the shapes of the third positioning block (103) and the fourth positioning block (104), respectively.
8. The airborne front antenna of claim 7, wherein, The first fixing seat (31) and the second fixing seat (41) are provided with through holes for bolts to pass through, and the first positioning block (101), the second positioning block (102), the third positioning block (103) and the fourth positioning block (104) are provided with screw holes for bolts to be installed.
9. The airborne front antenna of claim 1, wherein, The outer shell (01) is in arc structure away from the base (1).