An airborne full-band MIMO antenna

Abstract

The utility model discloses an airborne full frequency band MIMO antenna, including base, cover, first oscillator, second oscillator, third oscillator, fourth oscillator and feed component, first oscillator and second oscillator set up on the base and divide in the front side and the back side of antenna length direction, the working frequency band of first oscillator is 617MHz 960MHz, and the working frequency band of second oscillator is 1452MHz 6000MHz, third oscillator and fourth oscillator set up on the base and divide in the left side and the right side of antenna width direction, and the working frequency band of third oscillator and fourth oscillator is 1452MHz 6000MHz, first, second, third, fourth oscillator passes through feed component and is electrically connected with output connector, and the cover is covered first, second, third, fourth oscillator and is connected with the base, through the layout position and the structure shape of reasonable adjustment each oscillator, guarantee each oscillator to satisfy corresponding working frequency band at the same time, make full frequency band MIMO antenna realize low wind resistance fluid type appearance, satisfy specific use scene requirement.

Description

Technical Field

[0001] This utility model relates to the field of antennas, and in particular to an airborne full-band MIMO antenna. Background Technology

[0002] With the rapid development of wireless communication, mobile communication networks provide highly reliable, low-latency, high-speed, and high-capacity data connections, and vehicle / airborne communication such as automobiles, high-speed trains, and airplanes is developing rapidly. However, existing vehicle and airborne antennas generally suffer from problems such as excessive size, missing operating frequency bands, and limited capacity of single-channel transmit / receive, thus failing to cover the entire global wireless cellular and Wi-Fi frequency bands. Therefore, there is an urgent need for an airborne full-band MIMO antenna to solve the above problems. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an airborne full-band MIMO antenna.

[0004] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: an airborne full-band MIMO antenna, including a base, an outer cover, a first element, a second element, a third element, a fourth element, and a feeding assembly;

[0005] The first and second elements are mounted on the base and positioned at the front and rear of the antenna along its length. The first element operates in the frequency band of 617MHz-960MHz, and the second element operates in the frequency band of 1452MHz-6000MHz.

[0006] The third and fourth elements are mounted on the base and positioned on the left and right sides of the antenna width, respectively. The operating frequency band of the third and fourth elements is 1452MHz-6000MHz.

[0007] The first, second, third, and fourth oscillators are electrically connected to the output connector via a power supply assembly.

[0008] The outer cover is placed over the first, second, third, and fourth oscillators and connected to the base.

[0009] As one of the preferred embodiments of this utility model, the first oscillator includes a first radiating surface and a second radiating surface. The lower end of the first radiating surface is mounted on the base and connected to the first output connector. The lower end of the second radiating surface is electrically connected to the first radiating surface, and the upper end of the second radiating surface extends upward.

[0010] As one of the preferred embodiments of this utility model, the two sides of the middle section of the second radiating surface are bent backward into a C-shaped structure.

[0011] As one of the preferred embodiments of this utility model, the upper end of the second radiating surface is bent backward into a Γ-shaped structure.

[0012] As one of the preferred embodiments of this utility model, the second oscillator includes a third radiating surface and a fourth radiating surface. The lower end of the third radiating surface is mounted on the base and connected to the second output connector. The lower end of the fourth radiating surface is electrically connected to the third radiating surface, and the upper end of the fourth radiating surface extends upward.

[0013] As one of the preferred embodiments of this utility model, the two sides of the middle section of the fourth radiating surface are bent forward into a C-shaped structure.

[0014] As one of the preferred embodiments of this utility model, the upper end of the fourth radiating surface is bent forward into a Γ-shaped structure.

[0015] In one of the preferred embodiments of this utility model, the lower end of the third oscillator is mounted on the base and connected to the third output connector, and the upper end of the third oscillator extends upward; the lower end of the fourth oscillator is mounted on the base and connected to the fourth output connector, and the upper end of the fourth oscillator extends upward.

[0016] As one of the preferred embodiments of this utility model, the first oscillator and the second oscillator are rotationally symmetrical about the center of the line connecting them, and the third oscillator and the fourth oscillator are rotationally symmetrical about the center of the line connecting them.

[0017] As one of the preferred embodiments of this utility model, the first oscillator, the second oscillator, the third oscillator and the fourth oscillator are made of PCB board or metal sheet.

[0018] The beneficial effects of this utility model are as follows: An airborne full-band MIMO antenna includes a base, an outer cover, a first element, a second element, a third element, a fourth element, and a feeding assembly; the first and second elements are disposed on the base and are respectively located on the front and rear sides of the antenna along its length, with the first element operating in the frequency band of 617MHz-960MHz and the second element operating in the frequency band of 1452MHz-6000MHz; the third and fourth elements are disposed on the base and are respectively located on the left and right sides of the antenna along its width, with the third and fourth elements operating in the frequency band of 1452MHz-6000MHz; the first, second, third, and fourth elements are electrically connected to the output connector through the feeding assembly; the outer cover is disposed on the first, second, third, and fourth elements and connected to the base; by reasonably adjusting the layout and structural shape of each element, while ensuring that each element meets the corresponding operating frequency band, the full-band MIMO antenna achieves a low-drag, fluid-shaped form, meeting the requirements of specific application scenarios. Attached Figure Description

[0019] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0020] Figure 1 This is a schematic diagram of the structure of an airborne full-band MIMO antenna;

[0021] Figure 2 A partial structural schematic diagram of an airborne full-band MIMO antenna;

[0022] Figure 3 The standing wave diagrams are for the first, second, third, and fourth oscillators. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0024] In the description of this utility model, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0025] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In this utility model, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0027] Reference Figures 1 to 3An airborne full-band MIMO antenna includes a base 10, an outer cover 20, a first element 30, a second element 40, a third element 50, a fourth element 60, and a feeding assembly 70.

[0028] The first element 30 and the second element 40 are disposed on the base 10 and are respectively located on the front and rear sides of the antenna length direction. The operating frequency band of the first element 30 is 617MHz-960MHz, and the operating frequency band of the second element 40 is 1452MHz-6000MHz.

[0029] The third element 50 and the fourth element 60 are mounted on the base 10 and are positioned on the left and right sides of the antenna width direction, respectively. The operating frequency band of the third element 50 and the fourth element 60 is 1452MHz-6000MHz.

[0030] The first oscillator 30, the second oscillator 40, the third oscillator 50, and the fourth oscillator 60 are electrically connected to the output connector via the power supply assembly 70.

[0031] The outer cover 20 is placed on the first oscillator 30, the second oscillator 40, the third oscillator 50 and the fourth oscillator 60 and is connected to the base 10.

[0032] In this invention, the first vibrator 30 and the second vibrator 40 are located at the front and rear sides along the length of the antenna (corresponding to the head-to-tail direction of a vehicle), respectively. The third vibrator 50 and the fourth vibrator 60 are located at the left and right sides along the width of the antenna, respectively. The first vibrator 30 is connected to the first output connector, the second vibrator 40 is connected to the second output connector, the third vibrator 50 is connected to the third output connector, and the fourth vibrator 60 is connected to the fourth output connector. The operating frequency band of the first vibrator 30 is 617MHz-960MHz, and the operating frequency band of the second vibrator 40 is... The antenna operates in the 1452MHz-6000MHz range, with the third element 50 and the fourth element 60 both operating in the 1452MHz-6000MHz range. This allows the MIMO antenna to operate in the 617MHz-6000MHz range, covering all Sub-6GHz bands including global cellular and Wi-Fi networks, making it suitable for various countries and regions worldwide. The antenna supports 4T4R in the 1452MHz-6000MHz range and 2T2R in the 617-960MHz range, enabling the use of MIMO technology to improve transmission speed and channel capacity.

[0033] Reference Figure 2In some embodiments, the first oscillator 30 includes a first radiating surface 31 and a second radiating surface 32. The lower end of the first radiating surface 31 is mounted on the base 10 and connected to the first output connector. The lower end of the second radiating surface 32 is electrically connected to the first radiating surface 31, and the upper end of the second radiating surface 32 extends upward. The second oscillator 40 includes a third radiating surface 41 and a fourth radiating surface 42. The lower end of the third radiating surface 41 is mounted on the base 10 and connected to the second output connector. The lower end of the fourth radiating surface 42 is electrically connected to the third radiating surface 41, and the upper end of the fourth radiating surface 42 extends upward. Preferably, the first oscillator 30, the second oscillator 40, the third oscillator 50, and the fourth oscillator 60 are made of a PCB board or a metal sheet.

[0034] Reference Figure 2 In some embodiments, the two sides of the middle section 321 of the second radiating surface 32 are bent backward into a C-shaped structure, and the two sides of the middle section 421 of the fourth radiating surface 42 are bent forward into a C-shaped structure. This arrangement can reduce the width of the antenna.

[0035] Reference Figure 2 In some embodiments, the upper end 322 of the second radiating surface 32 is bent rearward into a Γ-shaped structure, and the upper end 422 of the fourth radiating surface 42 is bent forward into a Γ-shaped structure. This arrangement can reduce the height of the antenna.

[0036] Reference Figure 2 In some embodiments, the lower end of the third oscillator 50 is mounted on the base 10 and connected to the third output connector, and the upper end of the third oscillator 50 extends upward; the lower end of the fourth oscillator 60 is mounted on the base 10 and connected to the fourth output connector, and the upper end of the fourth oscillator 60 extends upward; the first oscillator 30 and the second oscillator 40 are rotationally symmetrical about the center of the line connecting them, and the third oscillator 50 and the fourth oscillator 60 are rotationally symmetrical about the center of the line connecting them; furthermore, the outer cover 10 adopts a shark fin-shaped fluid profile design, and by adjusting the layout position, structural bending shape, and size of the first oscillator 30, the second oscillator 40, the third oscillator 50, and the fourth oscillator 60, the shape of the outer cover 10 is adapted to minimize the antenna height and reduce the antenna width, thereby reducing the antenna's wind resistance.

[0037] The advantages of this invention are: by reasonably adjusting the layout and structural shape of each vibrator, while ensuring that each vibrator meets the corresponding operating frequency band, the full-band MIMO antenna achieves a low-drag fluid shape, meeting the requirements of specific application scenarios.

[0038] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. An airborne full-band MIMO antenna, characterized in that: It includes a base (10), an outer cover (20), a first oscillator (30), a second oscillator (40), a third oscillator (50), a fourth oscillator (60), and a power supply assembly (70); The first vibrator (30) and the second vibrator (40) are disposed on the base (10) and are arranged on the front and rear sides of the antenna length direction, respectively. The operating frequency band of the first vibrator (30) is 617MHz-960MHz, and the operating frequency band of the second vibrator (40) is 1452MHz-6000MHz. The third element (50) and the fourth element (60) are disposed on the base (10) and are arranged on the left and right sides of the antenna width direction, respectively. The operating frequency band of the third element (50) and the fourth element (60) is 1452MHz-6000MHz. The first oscillator (30), the second oscillator (40), the third oscillator (50) and the fourth oscillator (60) are electrically connected to the output connector through the power supply assembly (70); The outer cover (20) is placed over the first vibrator (30), the second vibrator (40), the third vibrator (50) and the fourth vibrator (60) and is connected to the base (10).

2. The airborne full-band MIMO antenna according to claim 1, characterized in that: The first oscillator (30) includes a first radiating surface (31) and a second radiating surface (32). The lower end of the first radiating surface (31) is mounted on the base (10) and connected to the first output connector. The lower end of the second radiating surface (32) is electrically connected to the first radiating surface (31). The upper end of the second radiating surface (32) extends upward.

3. The airborne full-band MIMO antenna according to claim 2, characterized in that: The middle section (321) of the second radiating surface (32) is bent backward on both sides into a C-shaped structure.

4. The airborne full-band MIMO antenna according to claim 2, characterized in that: The upper end (322) of the second radiating surface (32) is bent backward into a Γ-shaped structure.

5. An airborne full-band MIMO antenna according to claim 1, characterized in that: The second oscillator (40) includes a third radiating surface (41) and a fourth radiating surface (42). The lower end of the third radiating surface (41) is mounted on the base (10) and connected to the second output connector. The lower end of the fourth radiating surface (42) is electrically connected to the third radiating surface (41). The upper end of the fourth radiating surface (42) extends upward.

6. The airborne full-band MIMO antenna according to claim 5, characterized in that: The middle section (421) of the fourth radiating surface (42) is bent forward on both sides into a C-shaped structure.

7. An airborne full-band MIMO antenna according to claim 5, characterized in that: The upper end (422) of the fourth radiating surface (42) is bent forward into a Γ-shaped structure.

8. An airborne full-band MIMO antenna according to claim 1, characterized in that: The lower end of the third vibrator (50) is mounted on the base (10) and connected to the third output connector, and the upper end of the third vibrator (50) extends upward; the lower end of the fourth vibrator (60) is mounted on the base (10) and connected to the fourth output connector, and the upper end of the fourth vibrator (60) extends upward.

9. An airborne full-band MIMO antenna according to claim 1, characterized in that: The first oscillator (30) and the second oscillator (40) are rotationally symmetrical about the center of the line connecting them, and the third oscillator (50) and the fourth oscillator (60) are rotationally symmetrical about the center of the line connecting them.

10. An airborne full-band MIMO antenna according to claim 1, characterized in that: The first oscillator (30), the second oscillator (40), the third oscillator (50) and the fourth oscillator (60) are made of PCB board or metal sheet.

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