CN212695311U

CN212695311U - Omnidirectional antenna

Info

Publication number: CN212695311U
Application number: CN202021888100.XU
Authority: CN
Inventors: 董政; 刘文达; 刘伟强
Original assignee: Shenzhen Mahe Technology Co ltd
Current assignee: Shenzhen Mahe Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-03-12
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to an omnidirectional antenna, which comprises a dielectric plate, a first antenna component and a second antenna component, wherein the first antenna component and the second antenna component are respectively printed on two sides of the dielectric plate; the first antenna assembly comprises a first connecting piece and two first oscillators; the first vibrator is U-shaped and comprises a first transverse part, a first vibrator arm and a second vibrator arm, wherein the first vibrator arm and the second vibrator arm extend out from two ends of the first transverse part; the first connecting piece is connected with the first transverse parts of the two first vibrators; the second antenna component comprises a second connecting piece and two second oscillators; the second oscillator is U-shaped and comprises a second transverse part, a third oscillator arm and a fourth oscillator arm, wherein the third oscillator arm and the fourth oscillator arm extend out from two ends of the second transverse part; the second transverse part of the two second vibrators is connected with the second connecting piece; the first oscillator and the second oscillator are both asymmetric graphs; the first connecting piece is overlapped with the second connecting piece, and the first oscillator is partially overlapped with the second oscillator. The utility model discloses an antenna structure is compact, and the operating band of antenna can satisfy telecom operator's multiple frequency channel requirement, is particularly useful for the full frequency channel omnidirectional antenna of 5G.

Description

Omnidirectional antenna

[ technical field ] A method for producing a semiconductor device

The utility model relates to an omnidirectional antenna in mobile communication field.

[ background of the invention ]

Existing omni-directional antennas include both forms of metal sleeves or printed dipole structures. The metal sleeve omnidirectional antenna has good omni-directionality; however, it has the disadvantages of narrow operating band (generally 5% -15%), complex structure and low production efficiency. The structure of the printed dipole antenna is simplified compared with that of a metal sleeve, and the production efficiency is improved. However, printed dipole antennas still suffer from the disadvantage of narrow operating bands. Furthermore, the printed dipole structure is less omni-directional than the sleeve antenna.

With the commercialization of the fifth generation mobile communication system, three domestic operators begin to cover 5G signals nationwide, and there is a pressing need for omni-directional and wide operating frequency band of the antenna. There is therefore a need for an improved solution.

[ Utility model ] content

It is an object of the present invention to improve the operating band of an omnidirectional antenna.

Therefore, the utility model provides an omnidirectional antenna, which comprises a dielectric plate, a first antenna component and a second antenna component, wherein the first antenna component and the second antenna component are respectively printed on two side surfaces of the dielectric plate; the first antenna assembly comprises a first oscillator, the first oscillator is U-shaped and comprises a first transverse part, a first oscillator arm and a second oscillator arm, the first oscillator arm and the second oscillator arm extend out from two ends of the first transverse part, and the first oscillator is in an asymmetric pattern; the second antenna component comprises a second oscillator, the second oscillator is U-shaped and comprises a second transverse part, a third oscillator arm and a fourth oscillator arm, the third oscillator arm and the fourth oscillator arm extend out from two ends of the second transverse part, and the second oscillator is in an asymmetric pattern; the first vibrator is partially overlapped with the second vibrator.

As a preferable scheme, the first antenna assembly comprises a first connecting piece and two first oscillators; the U-shaped openings of the two first vibrators are in the same direction, and the first connecting piece is connected with the first transverse parts of the two first vibrators; the second antenna component comprises a second connecting piece and two second oscillators; the U-shaped openings of the two second vibrators have the same direction, and the second connecting piece is connected with the second transverse parts of the two second vibrators.

Preferably, the widths of the first vibrator arm and the second vibrator arm are the same or different.

Preferably, the lengths of the first vibrator arm and the second vibrator arm are the same or different.

Preferably, the width of the first vibrator arm or the second vibrator arm is 1.5 to 2.5 mm.

Preferably, the width of the third vibrator arm or the fourth vibrator arm is 1.5 to 2.5 mm.

Preferably, the width of the first oscillator arm or the second oscillator arm is fixed or variable.

Preferably, the U-shaped openings of the first and second vibrators have the same or opposite directions.

Preferably, the first lateral portion of the first vibrator overlaps with the second lateral portion of the second vibrator or is spaced from the second lateral portion by 1 to 2 mm.

Preferably, the first antenna component and the second antenna component are aligned with a surface of the dielectric plate.

The utility model provides an antenna compact structure, the operating band of antenna can satisfy telecom operator's multiple frequency channel requirement. In addition, in the whole frequency band, the roundness is better, and the gain is higher. The method is suitable for hot spot coverage and the use of terminal receiving equipment. The antenna is applicable to 5G full-band omnidirectional antennas. The utility model provides an antenna can mass production, ensures machining precision and performance uniformity easily.

[ description of the drawings ]

Fig. 1 is a schematic diagram of an omnidirectional antenna according to an embodiment of the present invention;

figures 2 and 3 are schematic diagrams of the front and back, respectively, of the omnidirectional antenna shown in figure 1;

figure 4 is a top view of the omnidirectional antenna shown in figure 1;

fig. 5 to fig. 10 are to the data diagram after the performance parameter of the antenna provided by the present invention is tested by the test software, in these diagrams, the horizontal axis is the angle, the vertical axis is the electric field power amplitude, the two-dimensional diagram of the antenna space radiation energy distribution is shown, wherein:

FIG. 5 is a horizontal plane directional diagram of a typical high frequency point, a typical middle frequency point and a typical low frequency point of the antenna provided by the utility model in a frequency band of 2496-2960 MHz;

FIG. 6 is a vertical plane directional diagram of a typical high frequency point, a typical middle frequency point and a typical low frequency point of the antenna provided by the utility model in a frequency band of 2496-2960 MHz;

FIG. 7 is a horizontal plane directional diagram of a typical high, medium and low frequency point of the antenna provided by the utility model in the frequency band of 3.3-3.6 GHz;

fig. 8 is a vertical plane directional diagram of a typical high frequency point, a typical middle frequency point and a typical low frequency point of the antenna provided by the utility model in a frequency band of 3.3-3.6 GHz;

FIG. 9 is a horizontal plane directional diagram of a typical high, middle and low frequency point of the antenna provided by the present invention in a frequency band of 4.8 to 5 GHz;

fig. 10 is a vertical plane directional diagram of a typical high frequency point, a typical middle frequency point and a typical low frequency point of the antenna provided by the utility model in the frequency band of 4.8-5 GHz;

fig. 11 is a standing wave matching diagram of the antenna provided by the present invention.

[ detailed description ] embodiments

The invention is further described with reference to the following figures and examples.

Referring to fig. 1 to 3, in the present embodiment, an omnidirectional antenna 100 includes a dielectric board 11, and a first antenna component and a second antenna component printed on the front and back surfaces of the dielectric board 11, respectively.

Wherein the first antenna assembly comprises a first connector 21 and two first elements 23. The first vibrator 23 is U-shaped, and includes a first lateral portion 24, and a first vibrator arm 25 and a second vibrator arm 26 extending from both ends of the first lateral portion 24; the first connector 21 connects the first lateral portions 24 of the two first vibrators 23.

The second antenna component comprises a second connection 31 and two second elements 33. The second vibrator 33 is U-shaped and includes a second lateral portion 34, and third and

fourth vibrator arms

35 and 36 extending from both ends of the second lateral portion 34. The second connector 31 connects the second lateral portions 34 of the two second vibrators 23.

The first oscillator 23 and the second oscillator 33 are both in an asymmetric pattern. The first connector 21 overlaps the second connector 31, and the first vibrator 23 partially overlaps the second vibrator 33.

In the antenna provided by this embodiment, the first antenna component and the second antenna component are disposed on both the front surface and the back surface of the dielectric plate 11 (for example, PCB), both the

oscillators

23 and 33 of the antenna components are asymmetric patterns, and the

oscillators

23 and 33 on the front surface and the back surface of the dielectric plate 11 are not completely overlapped, so that the operating frequency band of the antenna can meet the requirements of multiple frequency bands of telecommunication operators. In addition, in the whole frequency band, the roundness is better, and the gain is higher. The antenna is particularly suitable for hot spot coverage and terminal receiving equipment, and is suitable for a 5G full-band omnidirectional antenna.

In the present embodiment, the widths of the first vibrator arm 25, the second vibrator arm 26, the third vibrator arm 35 and the fourth vibrator arm 36 are all the same, and preferably, the widths are between 1.5 mm and 2.5mm, and more preferably, 2 mm. The lengths of the first and

second vibrator arms

25 and 26 are different, and the lengths of the third and fourth vibrator arms 35 and 46 are different.

As an alternative, the asymmetry and incomplete overlap can be achieved by different widths, or variations in the widths, of the

vibrator arms

25, 26, 35 and 36.

In the present embodiment, the length of the first vibrator arm 25 is smaller than that of the second vibrator arm 26, and the length of the third vibrator arm 35 is smaller than that of the fourth vibrator arm 36.

In this embodiment, the U-shaped openings of the two first vibrators 23 face the same direction. The U-shaped openings of the two second vibrators 33 are oriented in the same direction. The first connector 21 and the second connector 31 overlap, and the first lateral portion 24 of the first transducer 23 and the second lateral portion 34 of the second transducer 33 overlap. Alternatively, the first transverse portion 24 of the first vibrator 23 and the second transverse portion 34 of the second vibrator 33 are spaced from each other by 1 to 2mm along the extending direction of the first connector 21.

In this embodiment, the U-shaped opening of the second vibrator 33 is opposite to the U-shaped opening of the first vibrator 23. The present invention is not limited to such an embodiment. For example, the U-shaped opening of the second transducer 33 may be oriented in the same direction as the U-shaped opening of the first transducer 23.

It is understood that the number of the first vibrator 23 and the second vibrator 33 is not limited to two, but may be 1 or more than 2. Preferably, the number of the first oscillators 23 of the first antenna assembly is in the range of 2-10; the number of the second oscillators 33 of the second antenna component is within the range of 2-10.

Referring to fig. 4, the first antenna component and the second antenna component are printed on both side surfaces of the dielectric board 11, respectively. The antenna component may protrude slightly from the side surface or may be flush with the surface. The structure has the advantages of compact structure, easy mass production and easy guarantee of processing precision and performance consistency.

fig. 10 is a vertical plane directional diagram of a typical high, medium and low three frequency point of the antenna in the frequency band of 4.8 to 5 GHz.

It can be seen from fig. 5 to fig. 10 that the utility model provides an antenna's operating band can satisfy telecom operator's multiple frequency channel requirement, and circle degree is better in the mainstream frequency channel, and the gain is higher, is fit for hotspot cover and terminal receiving equipment's use, applicable in the full frequency channel omnidirectional antenna of 5G.

FIG. 11 is a standing wave matching graph, and it can be seen from the graph that good matching is achieved in the three frequency bands of 2496-. The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, such as combinations of different features in the various embodiments, which are within the scope of the present invention.

Claims

1. An omnidirectional antenna comprises a dielectric plate (11), a first antenna component and a second antenna component which are respectively printed on two side surfaces of the dielectric plate; the method is characterized in that:

the first antenna component comprises a first oscillator (23), the first oscillator (23) is U-shaped and comprises a first transverse part (24), a first oscillator arm (25) and a second oscillator arm (26), the first oscillator arm and the second oscillator arm extend out from two ends of the first transverse part (24), and the first oscillator (23) is in an asymmetric pattern;

the second antenna component comprises a second oscillator (33), the second oscillator (33) is U-shaped and comprises a second transverse part (34), a third oscillator arm (35) and a fourth oscillator arm (36) extending out from two ends of the second transverse part (34), and the second oscillator (33) is in an asymmetric pattern;

the first vibrator (23) and the second vibrator (33) partially overlap.

2. An omnidirectional antenna according to claim 1, wherein the first antenna assembly comprises a first connector (21) and two of the first elements (23); the U-shaped openings of the two first vibrators (23) are in the same direction, and the first connecting piece (21) is connected with the first transverse parts of the two first vibrators (23);

the second antenna component comprises a second connecting piece (31) and two second oscillators (33); the U-shaped openings of the two second vibrators (33) are in the same direction, and the second connecting piece (31) is connected with the second transverse parts of the two second vibrators (33).

3. The omni directional antenna according to claim 1, wherein: the widths of the first vibrator arm (25) and the second vibrator arm (26) are the same or different.

4. The omni directional antenna according to claim 1, wherein: the lengths of the first vibrator arm (25) and the second vibrator arm (26) are the same or different.

5. The omni directional antenna according to claim 1, wherein: the width of the first vibrator arm (25) or the second vibrator arm (26) is 1.5-2.5 mm.

6. The omni directional antenna according to claim 1, wherein: the width of the third oscillator arm (35) or the fourth oscillator arm (36) is 1.5-2.5 mm.

7. The omni directional antenna according to claim 1, wherein: the width of the first oscillator arm (25) or the second oscillator arm (26) is fixed or variable.

8. The omni directional antenna according to claim 1, wherein: the U-shaped openings of the first vibrator (23) and the second vibrator (33) are in the same or opposite directions.

9. The omni directional antenna according to claim 1, wherein: the first transverse part (24) of the first vibrator (23) is overlapped with the second transverse part (34) of the second vibrator (33) or is separated from the second transverse part by 1-2 mm.

10. The omni directional antenna according to claim 1, wherein: the first and second antenna components are aligned with a surface of the dielectric plate (11).