CN220830100U

CN220830100U - ADS-B antenna and satellite of Internet of things

Info

Publication number: CN220830100U
Application number: CN202322591062.1U
Authority: CN
Inventors: 周大创; 赵新攀; 王书勤; 王文松; 时东海; 张巍; 刘安; 贾纪; 贾正浩
Original assignee: Beijing Hede Aerospace Technology Co ltd
Current assignee: Beijing Hede Aerospace Technology Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-04-23
Anticipated expiration: 2033-09-22

Abstract

The utility model relates to the technical field of antennas, and particularly discloses an ADS-B antenna and an Internet of things satellite, wherein the ADS-B antenna comprises a base, an antenna body and an antenna housing; the antenna cover comprises a flat plate and a plurality of inclined side plates which are connected to the periphery of the flat plate in a surrounding manner, and the inclined side plates are detachably connected to the base to seal the mounting groove; the base, the antenna body and the antenna housing are all of flat structures. The inclined side plate is used for adjusting the angle of electromagnetic waves emitted by the antenna body, so that the communication coverage range of the antenna body is further improved, and the overall height can be reduced under the condition that the whole ADS-B antenna meets the large-range communication coverage, so that the requirement on the small occupied space of the ADS-B antenna can be met, and the rocket emission cost is reduced.

Description

ADS-B antenna and satellite of Internet of things

Technical Field

The utility model relates to the technical field of antennas, in particular to an ADS-B antenna and an Internet of things satellite.

Background

The space-based internet of things is an interconnection network which takes a space-based communication network as a core and a foundation, integrates services such as space-based sensing, monitoring, time synchronization and the like while supporting the application of the existing ground internet of things, and realizes intelligent identification, positioning, tracking monitoring and management of targets. The space-based internet of things system has a wide coverage area, can realize global non-blind area communication, has strong system destructiveness, can still work normally under emergency conditions such as natural disasters, emergencies and the like, and has outstanding application advantages in the aspects of rescue and relief work and emergency guarantee.

ADS-B (Automatic dependent surveillance-broadcast) is an aircraft monitoring technology, and an ADS-B system module and an antenna are installed on an antenna-based Internet of things satellite, so that all-terrain full-time domain service can be provided for aircraft ADS-B communication. However, the existing ADS-B antenna is large in height to meet the requirement of large-scale communication coverage, so that the space occupied by the rocket during launching is large, and the launching cost of the rocket is high.

Disclosure of utility model

The utility model aims to provide an ADS-B antenna and an Internet of things satellite, which are used for solving the problems that the ADS-B antenna in the prior art is large in height and large in space occupied by a rocket during launching so as to enable the rocket to be launched at high cost in order to meet the requirement of large-scale communication coverage.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

In one aspect, the present utility model provides an ADS-B antenna comprising:

A base provided with a mounting groove;

the antenna body is embedded in the mounting groove;

A radome including a flat plate and a plurality of inclined side plates surrounding the outer circumference of the flat plate, the plurality of inclined side plates being detachably connected to the base to close the installation groove; the inclined side plate is used for adjusting the angle of electromagnetic waves emitted by the antenna body; the base, the antenna body and the antenna housing are all flat structures.

As an alternative to the ADS-B antenna, the angle between the inclined side plate and the antenna body is 8 ° to 12 °.

As an alternative to the ADS-B antenna, the ADS-B antenna further includes a plurality of first connectors, a horizontal edge is extended from a side of the inclined side plate near the base, and the plurality of first connectors can sequentially pass through the horizontal edge and the antenna body to be connected to the base.

As an alternative to the ADS-B antenna, a plurality of first supporting tables are circumferentially disposed in the mounting groove, the antenna body is placed on the plurality of first supporting tables, and the first connector is connected to the first supporting tables.

As an alternative scheme of the ADS-B antenna, the ADS-B antenna further includes a second connector, and a second supporting table is further disposed in the mounting groove, and the second supporting table is located between the plurality of first supporting tables; the second connector can penetrate through the antenna body and be connected to the base.

As an alternative scheme of the ADS-B antenna, the ADS-B antenna further includes a radio frequency connector, a mounting seat is disposed on a side wall of the base, and the radio frequency connector is connected to the mounting seat through a third connecting piece; the radio frequency connector is used for connecting the antenna body and the ADS-B module.

As an alternative to the ADS-B antenna, one of the plurality of inclined side plates near the mounting base is provided with a notch, and the radio frequency connector is connected to the antenna body through the notch.

As an alternative to the ADS-B antenna, the slot wall of the mounting slot is bent toward the center of the mounting slot to form an arc section, the antenna body is provided with a clip interface, and the clip interface is clipped to the arc section.

As an alternative to the ADS-B antenna, the ADS-B antenna further includes a fourth connection member and a heat insulation pad, where the fourth connection member can be connected to the internet of things satellite through the base; the heat insulation pad is sleeved on the fourth connecting piece and is positioned between the base and the Internet of things satellite.

On the other hand, the utility model provides an internet of things satellite which comprises the ADS-B antenna, and further comprises a satellite support frame, wherein the base is connected to the satellite support frame.

The beneficial effects of the utility model are as follows:

The ADS-B antenna comprises a base, an antenna body and an antenna housing. The mounting groove has been seted up to the base, the antenna body inlays and locates in the mounting groove, the radome includes the flat board and around connecting in a plurality of slope curb plates of flat board periphery, a plurality of slope curb plates can dismantle and connect in order to seal the mounting groove in the base, thereby antenna housing and base can protect the antenna body, wherein the slope curb plate is used for adjusting the angle of the electromagnetic wave of antenna body transmission, and then improve the communication coverage of antenna body, simultaneously base, antenna body and radome are platykurtic structure, make the ADS-B antenna wholly be under the condition that satisfies the communication coverage of a large scale, can also reduce whole height, with this can satisfy the less occupation space's of ADS-B antenna demand, reduce rocket emission cost.

Drawings

Fig. 1 is a schematic structural diagram of an ADS-B antenna according to an embodiment of the present utility model;

FIG. 2 is an exploded view of an ADS-B antenna according to an embodiment of the present utility model;

fig. 3 is a cross-sectional view of an ADS-B antenna according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a base according to an embodiment of the present utility model;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

Fig. 6 is a schematic structural diagram of an internet of things satellite according to an embodiment of the present utility model.

In the figure:

1. A base; 11. a mounting groove; 111. a first support table; 112. a second support table; 113. an arc section; 12. a mounting base; 2. an antenna body; 21. a card interface; 3. an antenna housing; 31. a flat plate, 32, inclined side plates; 321. a horizontal edge; 322. a notch; 4. a first connector; 5. a second connector; 6. a radio frequency connector; 61. a third connecting member; 7. a fourth connecting member; 8. a heat insulating mat; 9. a satellite support frame.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

The embodiment provides an ADS-B antenna for realizing signal transmission.

As shown in fig. 1 to 5, the ADS-B antenna includes a base 1, an antenna body 2, and a radome 3. The mounting groove 11 has been seted up to base 1, and antenna body 2 inlays locates in the mounting groove 11, and radome 3 includes dull and stereotyped 31 and around connecting in a plurality of slope curb plates 32 of dull and stereotyped 31 periphery, and a plurality of slope curb plates 32 can dismantle and connect in base 1 in order to seal mounting groove 11 to radome 3 and base 1 can protect antenna body 2. Optionally, the slot wall of the mounting slot 11 is bent towards the center of the mounting slot 11 to form an arc-shaped section 113, the antenna body 2 is provided with a clamping port 21, and the clamping port 21 is clamped to the arc-shaped section 113, so that the position of the antenna body 2 in the mounting slot 11 can be positioned through the arrangement of the clamping port 21 and the arc-shaped section 113, and the stability of the antenna body 2 relative to the base 1 is ensured. Further alternatively, the base 1 is made of an aluminum alloy material, so as to meet the requirement of higher strength.

As shown in fig. 2 and 3, the inclined side plate 32 is used for adjusting the angle of the electromagnetic wave emitted by the antenna body 2, so as to further improve the communication coverage of the antenna body 2, and meanwhile, the base 1, the antenna body 2 and the antenna housing 3 are of flat structures, so that the overall height of the ADS-B antenna can be reduced under the condition of meeting the large-scale communication coverage, thereby meeting the requirement on the smaller occupied space of the ADS-B antenna and reducing the rocket emission cost. Alternatively, the radome 3 is made of a glass fiber composite material or a plastic or aramid fiber composite material, so that the radome 3 can affect the electromagnetic waves of the antenna body 2.

Specifically, the included angle between the inclined side plate 32 and the antenna body 2 is 8-12 degrees, so that the maximum radiation direction of electromagnetic waves emitted by the antenna body 2 can form 24 degrees with the main axis direction, thereby realizing full coverage of the whole world and meeting the dead angle-free coverage requirement of ADS-B communication of an airplane.

As shown in fig. 1, 2 and 4, the ADS-B antenna further includes a plurality of first connectors 4, a horizontal edge 321 is extended on a side of the inclined side plate 32 near the base 1, and the plurality of first connectors 4 can sequentially penetrate through the horizontal edge 321 and the antenna body 2 to be connected to the base 1, so as to ensure stability among the antenna housing 3, the antenna body 2 and the base 1. Wherein, a plurality of first supporting tables 111 are circumferentially arranged in the mounting groove 11, the antenna body 2 is placed on the plurality of first supporting tables 111, and the first connecting piece 4 is connected to the first supporting tables 111, so that the antenna body 2 can be spaced from the bottom of the mounting groove 11 through the first supporting tables 111, and the ADS-B antenna is mainly loaded with vibration impact load by the base 1 after being impacted, thereby preventing the antenna body 2 from being damaged. Meanwhile, the ADS-B antenna further comprises a second connecting piece 5, a second supporting table 112 is further arranged in the mounting groove 11, the second supporting table 112 is located among the plurality of first supporting tables 111, the second connecting piece 5 can penetrate through the antenna body 2 to be connected to the base 1, and accordingly the second supporting table 112 can support the middle area of the antenna body 2, and stability of the antenna body 2 relative to the base 1 is guaranteed.

As shown in fig. 2 and 5, the ADS-B antenna further includes a radio frequency connector 6, a mounting base 12 is disposed on a side wall of the base 1, the radio frequency connector 6 is connected to the mounting base 12 through a third connecting piece 61, and the radio frequency connector 6 is used for connecting the antenna body 2 and the ADS-B module, so that the antenna body 2 and the ADS-B module can implement signal exchange. Specifically, one of the plurality of inclined side plates 32, which is close to the mounting seat 12, is provided with a notch 322, and the radio frequency connector 6 is connected to the antenna body 2 through the notch 322, so that the connection stability of the radio frequency connector 6 and the antenna body 2 is improved, and meanwhile, the notch 322 is provided, so that the radio frequency connector 6 can be directly mounted or replaced without removing the radome 3 and the antenna body 2.

Further, the ADS-B antenna further comprises a fourth connecting piece 7 and a heat insulation pad 8, wherein the fourth connecting piece 7 can penetrate through the base 1 to be connected to the Internet of things satellite, the heat insulation pad 8 is sleeved on the fourth connecting piece 7 and located between the base 1 and the Internet of things satellite, so that heat of the Internet of things satellite is isolated, heat on the Internet of things satellite is prevented from being conducted to the ADS-B antenna, and the use of the ADS-B antenna is affected.

The embodiment also provides an internet of things satellite, which comprises the ADS-B antenna, as shown in fig. 6, the internet of things satellite further comprises a satellite support frame 9, and the base 1 is connected to the satellite support frame 9, so that the internet of things satellite can be connected to the surface of the internet of things satellite by using the ADS-B antenna, the ADS-B antenna is prevented from exceeding the envelope of the internet of things satellite, the requirements of reducing the whole occupied space and ensuring the communication coverage range are met, the transmission cost of the internet of things satellite is reduced, and the ADS-B antenna can utilize the metal shell of the internet of things satellite as a shielding structure to reduce signal crosstalk.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. An ADS-B antenna, comprising:

the base (1), the said base (1) has installed the trough (11);

the antenna body (2) is embedded in the mounting groove (11);

A radome (3), wherein the radome (3) comprises a flat plate (31) and a plurality of inclined side plates (32) which are connected to the periphery of the flat plate (31) in a surrounding manner, and the plurality of inclined side plates (32) are detachably connected to the base (1) so as to close the mounting groove (11); the inclined side plate (32) is used for adjusting the angle of electromagnetic waves emitted by the antenna body (2); the base (1), the antenna body (2) and the antenna housing (3) are all of flat structures.

2. ADS-B antenna according to claim 1, characterized in that the angle between the inclined side plate (32) and the antenna body (2) is 8 ° to 12 °.

3. ADS-B antenna according to claim 1, characterized in that it further comprises a plurality of first connectors (4), wherein the inclined side plate (32) is provided with a horizontal edge (321) extending near one side of the base (1), and the plurality of first connectors (4) can be connected to the base (1) sequentially through the horizontal edge (321) and the antenna body (2).

4. An ADS-B antenna according to claim 3, wherein a plurality of first support tables (111) are circumferentially arranged in the mounting groove (11), the antenna body (2) is placed on the plurality of first support tables (111), and the first connection member (4) is connected to the first support tables (111).

5. ADS-B antenna according to claim 4, characterized in that it further comprises a second connection (5), in which the mounting slot (11) is further provided with a second support table (112), the second support table (112) being located between a plurality of the first support tables (111); the second connecting piece (5) can penetrate through the antenna body (2) and be connected to the base (1).

6. ADS-B antenna according to claim 1, characterized in that it further comprises a radio frequency connector (6), a mounting seat (12) being provided on a side wall of the base (1), the radio frequency connector (6) being connected to the mounting seat (12) by a third connection (61); the radio frequency connector (6) is used for connecting the antenna body (2) and the ADS-B module.

7. ADS-B antenna according to claim 6, characterized in that one of the inclined side plates (32) close to the mounting seat (12) is provided with a notch (322), through which notch (322) the radio frequency connector (6) is connected to the antenna body (2).

8. ADS-B antenna according to any of claims 1-7, characterized in that the wall of the mounting groove (11) is bent towards the centre of the mounting groove (11) to form an arc-shaped section (113), the antenna body (2) is provided with a clamping interface (21), the clamping interface (21) being clamped to the arc-shaped section (113).

9. ADS-B antenna according to any of claims 1-7, characterized in that it further comprises a fourth connection (7) and a heat insulation pad (8), said fourth connection (7) being connectable to an internet of things satellite through said base (1); the heat insulation pad (8) is sleeved on the fourth connecting piece (7) and is located between the base (1) and the satellite of the Internet of things.

10. An internet of things satellite, characterized by comprising an ADS-B antenna according to any of claims 1-9, further comprising a satellite support (9), the base (1) being connected to the satellite support (9).