CN220569895U

CN220569895U - Small four-channel anti-interference antenna

Info

Publication number: CN220569895U
Application number: CN202322023869.5U
Authority: CN
Inventors: 杨正亮; 史晶; 李忠芩
Original assignee: Sichuan Runyingda Electronic Technology Co ltd
Current assignee: Sichuan Runyingda Electronic Technology Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-03-08
Anticipated expiration: 2033-07-31

Abstract

The utility model provides a small four-channel anti-interference antenna, which comprises a base (1) and a mounting plate (2), wherein the base (1) is a box body structure with an upper opening; the mounting plate (2) is covered on the open surface of the top of the base (1); an antenna array (3) is arranged on the top surface of the mounting plate (2), and a radio frequency module (4) is arranged on the bottom surface; an antenna housing (5) is arranged above the mounting plate (2) to cover the antenna array (3) inside; an anti-interference processing module (6), a receiver module (7) and a power supply module (8) are also arranged in the base (1); the bottom of the base (1) is also provided with a peripheral interface (9). The utility model has compact structure and small occupied space, and meets the miniaturization requirement.

Description

Small four-channel anti-interference antenna

Technical Field

The utility model relates to the technical field of satellite communication, in particular to a small four-channel anti-interference antenna.

Background

In the field of satellite communications, communications devices are classified into large and small devices by volume. In general, large-scale devices are designed in a split type, namely, antennas, servo antenna frames, control devices, signal devices and the like; the small-sized equipment is designed in an integrated mode, and the antenna, the baseband, the control, the power supply and the like are arranged in a cavity of the equipment.

For small-sized communication antenna devices, how to realize stable, rapid and accurate information transmission and meet the market miniaturization requirements is a key problem today.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a small four-channel anti-interference antenna which has good heat dissipation effect and is convenient to assemble, disassemble and maintain, and the antenna is realized by the following technical scheme:

a small four-channel anti-interference antenna comprises a base and a mounting plate, wherein:

the base is of a box body structure with an opening at the upper part; the mounting plate cover is arranged on the open surface of the top of the base; an antenna array is arranged on the top surface of the mounting plate, and a radio frequency module is arranged on the bottom surface; an antenna housing is arranged above the mounting plate and covers the antenna array;

an anti-interference processing module, a receiver module and a power supply module are also arranged in the base; the bottom of the base is also provided with a peripheral interface.

Optionally or preferably, the antenna array comprises an array plane and an array element; the array surface is arranged at the top of the mounting plate; the array is screwed on the upper surface of the array surface.

Optionally or preferably, the edge of the array surface is in a lace-like structure; the mounting plate is provided with a lace-shaped step groove matched with the array surface.

Optionally or preferably, the array comprises four satellite antennas and one central antenna; the central antenna is arranged in the center of the array surface, and the four satellite antennas are symmetrically arranged on the periphery of the central antenna in a surrounding mode.

Alternatively or preferably, the top of the radome is a planar structure, and the inner wall of the top of the radome is close to the antenna array but not in contact with the antenna array.

Optionally or preferably, the anti-interference processing module and the receiver module are both arranged in the base close to the radio frequency module; the power module is arranged below the anti-interference processing module.

Optionally or preferably, the power module comprises a housing, a PCB board, a power module and a thermally conductive sheet; the PCB is arranged in the shell; the power module is fixed on the PCB; one surface of the heat conducting fin is clung to the power module, and the other surface is clung to the inner wall of the shell.

Based on the technical scheme, the small four-channel anti-interference antenna provided by the utility model has the following technical effects:

(1) Compact structure, small occupied space and meeting the miniaturization requirement;

(2) And the modular design is adopted, so that each module is convenient to detach and maintain.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view (perspective view) of the present utility model;

FIG. 2 is a schematic view (cross-sectional view) of the structure of the present utility model;

FIG. 3 is a top view of an antenna array according to the present utility model;

FIG. 4 is a top view of the array surface of the present utility model;

FIG. 5 is a schematic diagram of a power module according to the present utility model;

the drawings illustrate:

the antenna comprises a 1-base, a 2-mounting plate, a 3-antenna array, a 4-radio frequency module, a 5-antenna housing, a 6-anti-interference processing module, a 7-receiver module, an 8-power module, a 9-peripheral interface, a 301-array surface, a 302-array, a 801-shell, a 802-PCB (printed circuit board), a 803-power module and 804-heat conducting fins.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and the following embodiments and features of the embodiments may be combined with each other without conflict.

In a preferred embodiment:

the embodiment provides a small-size four-channel anti-interference antenna, as shown in fig. 1-2, including base 1, mounting panel 2, wherein:

the base 1 is a box body structure with an opening at the upper part; the mounting plate 2 is arranged on the open surface of the top of the base 1 in a covering manner; an antenna array 3 is arranged on the top surface of the mounting plate 2, and a radio frequency module 4 is arranged on the bottom surface; an antenna housing 5 is arranged above the mounting plate 2 and covers the antenna array 3;

an anti-interference processing module 6, a receiver module 7 and a power supply module 8 are also arranged in the base 1; the bottom of the base 1 is also provided with a peripheral interface 9.

Further, in this embodiment, as shown in fig. 3, the antenna array 3 includes an array plane 301 and an array element 302; the array surface 301 is arranged on the top of the mounting plate 2; the array 302 is screwed on the upper surface of the array plane 301; further, in this embodiment, the array 302 includes four satellite antennas and a central antenna; the central antenna is arranged in the center of the array plane 301, and four satellite antennas are symmetrically arranged around the periphery of the central antenna; specifically, the satellite antenna is a BDS B1/GPS L1 antenna.

Further, in this embodiment, as shown in fig. 4, the edge of the array surface 301 is in a lace-like structure; the mounting plate 2 is provided with a lace-shaped step groove matched with the array surface 301.

In this embodiment, the radio frequency module 4 amplifies, filters, and frequency-converts the satellite radio frequency signal received from the antenna array 3, and frequency-converts the 1557 MHz-1577 MHz radio frequency signal to an intermediate frequency signal of 60±10MHz, and outputs the intermediate frequency signal to the anti-interference processing module 6.

Further, in this embodiment, the top of the radome 5 has a planar structure, and the inner wall of the top of the radome 5 is close to the antenna array 3 but not in contact with the antenna array 3; specifically, the radome 5 is made of abs+30% gf; further, the antenna housing 5 is fixed on the mounting plate 2 through bolt installation, and a screw thread fastening agent and a waterproof gasket are added in the screw hole to prevent water seepage at the joint of the bolts.

Further, in this embodiment, the anti-interference processing module 6 and the receiver module 7 are both disposed in the base 1 near the radio frequency module 4; the power module 8 is arranged below the anti-interference processing module 6; specifically, the anti-interference processing module 6, the receiver module 7 and the power module 8 are all of an integrated cavity structure, wherein the cover plate and the cavity are made of anti-rust aluminum 5A06, and the fastening piece is a 304 stainless steel fastening piece.

Further, in the present embodiment, as shown in fig. 5, the power module 8 includes a housing 801, a PCB 802, a power module 803, and a heat conductive sheet 804; the PCB 802 is disposed within the housing 801; the power module 803 is fixed on the PCB 802; one surface of the heat conducting fin 804 is tightly attached to the power module 803, and the other surface is tightly attached to the inner wall of the shell 801; specifically, the housing 801 is a metal shell, and the heat conducting fin 804 is a silica gel sheet, so that the heat of the power module 8 and the anti-interference processing module 6 can be conducted through the metal shell, and the heat is transferred out, so that the equipment is prevented from being overheated and damaged.

The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. A small four-channel anti-interference antenna is characterized in that: base (1), mounting panel (2), wherein:

the base (1) is of a box body structure with an opening at the upper part; the mounting plate (2) is covered on the open surface of the top of the base (1); an antenna array (3) is arranged on the top surface of the mounting plate (2), and a radio frequency module (4) is arranged on the bottom surface; an antenna housing (5) is arranged above the mounting plate (2) to cover the antenna array (3) inside;

an anti-interference processing module (6), a receiver module (7) and a power supply module (8) are also arranged in the base (1); the bottom of the base (1) is also provided with a peripheral interface (9).

2. A compact four-way anti-interference antenna according to claim 1, wherein: the antenna array (3) comprises an array surface (301) and an array element (302); the array surface (301) is arranged at the top of the mounting plate (2); the array (302) is screwed on the upper surface of the array surface (301).

3. A compact four-way anti-interference antenna according to claim 2, wherein: the edge of the array surface (301) is of a lace-shaped structure; the mounting plate (2) is provided with a lace-shaped step groove matched with the array surface (301).

4. A compact four-way anti-interference antenna according to claim 2, wherein: the array (302) comprises four satellite antennas and a central antenna; the central antenna is arranged in the center of the array surface (301), and the four satellite antennas are symmetrically arranged around the periphery of the central antenna.

5. A compact four-way anti-interference antenna according to claim 1, wherein: the top of the antenna housing (5) is of a planar structure, and the inner wall of the top of the antenna housing (5) is close to the antenna array (3) but is not contacted with the antenna array (3).

6. A compact four-way anti-interference antenna according to claim 1, wherein: the anti-interference processing module (6) and the receiver module (7) are arranged in the base (1) and close to the radio frequency module (4); the power module (8) is arranged below the anti-interference processing module (6).

7. A compact four-way anti-interference antenna according to claim 1, wherein: the power module (8) comprises a shell (801), a PCB (802), a power module (803) and a heat conducting fin (804); the PCB (802) is arranged in the shell (801); the power module (803) is fixed on the PCB (802); one surface of the heat conducting fin (804) is tightly attached to the power module (803), and the other surface is tightly attached to the inner wall of the shell (801).