CN221102421U - Novel wide-beam microstrip antenna - Google Patents

Abstract

The utility model discloses a novel wide-beam microstrip antenna, which comprises a lower dielectric layer, a stratum and an upper dielectric layer which are sequentially laminated and connected from bottom to top, wherein the top surface of the upper dielectric layer is provided with a square radiation sheet, and the center of the square radiation sheet is provided with a grounding column connected with the stratum; the bottom surface of the lower medium layer is provided with a power divider, the power divider comprises a total branch and two power branch sections which are connected, and the two power branch sections are symmetrical about the central line of the total branch; one end of the power branch joint, which is far away from the main branch joint, is provided with a feed column, and two feed columns are respectively arranged corresponding to a group of adjacent edges of the square radiation sheet so as to feed the square radiation sheet. The novel wide-beam microstrip antenna has a simple structure, the E-plane beam width is up to 128 degrees, the H-plane beam width is up to 120 degrees, and the cross polarization is lower than-15 dB, so that a wide beam effect is realized; the novel wide-beam microstrip antenna can effectively cover the N258 frequency band, thereby meeting the 5G communication requirement.

Description

Novel wide-beam microstrip antenna

Technical Field

The utility model relates to the field of antennas, in particular to a novel wide-beam microstrip antenna.

Background

For the 5G millimeter wave module, the combination of the radio frequency chip and the substrate antenna is selected to be an AIP (package antenna) mode to reduce the loss of the radio frequency system, and the integration level is higher and the performance is better.

The 5G millimeter wave module needs the wide antenna beam angle, and the existing microstrip antenna capable of realizing the wide beam angle generally has the problem of complex structure.

Disclosure of utility model

The technical problems solved by the utility model are as follows: a novel wide-beam microstrip antenna with a simple structure is provided.

In order to solve the technical problems, the utility model adopts the following technical scheme: the novel wide-beam microstrip antenna comprises a lower dielectric layer, a stratum and an upper dielectric layer which are sequentially laminated and connected from bottom to top, wherein a square radiation sheet is arranged on the top surface of the upper dielectric layer, and a grounding column connected with the stratum is arranged in the center of the square radiation sheet; the bottom surface of the lower medium layer is provided with a power divider, the power divider comprises a total branch and two power branch sections which are connected, and the two power branch sections are symmetrical about the central line of the total branch; one end of the power branch joint, which is far away from the main branch joint, is provided with a feed column, and two feed columns are respectively arranged corresponding to a group of adjacent edges of the square radiation sheet so as to feed the square radiation sheet.

In one embodiment, the feeding position of the square radiating patch is located at the midpoint of the side edge.

In one embodiment, the power dividing branches are L-shaped.

In one embodiment, the grounding post is cylindrical.

In one embodiment, the feeding post is cylindrical or prismatic.

In one embodiment, the square radiation piece has a side length of 16mm.

In an embodiment, the thickness of the lower dielectric layer is less than the thickness of the upper dielectric layer.

In an embodiment, the upper dielectric layer and the lower dielectric layer are respectively square, and the side length of the upper dielectric layer is equal to the side length of the lower dielectric layer.

In an embodiment, the stratum is square, and the side length of the stratum is equal to the side length of the upper medium layer.

The utility model has the beneficial effects that: the novel wide-beam microstrip antenna has a simple structure, the E-plane beam width is up to 128 degrees, the H-plane beam width is up to 120 degrees, and the cross polarization is lower than-15 dB, so that a wide beam effect is realized; the novel wide-beam microstrip antenna can effectively cover the N258 frequency band, thereby meeting the 5G communication requirement.

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 perspective view of a novel wide-beam microstrip antenna according to a first embodiment of the present utility model;

fig. 2 is a perspective view of a novel wide-beam microstrip antenna according to a first embodiment of the present utility model at another view angle;

Fig. 3 is an E-plane beam pattern of a novel wide-beam microstrip antenna according to a first embodiment of the present utility model;

fig. 4 is an H-plane beam pattern of a novel wide-beam microstrip antenna according to a first embodiment of the present utility model;

Fig. 5 is an S-parameter graph of a novel wide-beam microstrip antenna according to a first embodiment of the present utility model.

Reference numerals illustrate:

1. a lower dielectric layer;

2. a formation;

3. an upper dielectric layer;

4. Square radiation piece;

5. A grounding column;

6. A power divider; 61. total branches; 62. dividing branches;

7. And a feed post.

Detailed Description

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear … … are referred to merely for explaining a relative positional relationship, a movement condition, and the like between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

In addition, if the meaning of "and/or" is presented throughout this document to include three parallel schemes, taking "and/or" as an example, including a scheme, or a scheme that is satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1 to 5, a first embodiment of the present utility model is as follows: as shown in fig. 1 and fig. 2, the novel wide-beam microstrip antenna comprises a lower dielectric layer 1, a stratum 2 and an upper dielectric layer 3 which are sequentially laminated and connected from bottom to top, wherein the thickness of the lower dielectric layer 1 is optionally smaller than that of the upper dielectric layer 3, a square radiation sheet 4 is arranged on the top surface of the upper dielectric layer 3, a grounding column 5 connected with the stratum 2 is arranged in the center of the square radiation sheet 4, and the grounding column 5 is embedded in the upper dielectric layer 3; the bottom surface of the lower medium layer 1 is provided with a power divider 6, the power divider 6 comprises a main branch 61 and two power branch sections 62 which are connected, the main branch 61 is in a linear shape, and the two power branch sections 62 are symmetrical about the central line of the main branch 61; a feeding column 7 is arranged at one end of the power dividing branch 62 far away from the main branch 61, two feeding columns 7 are respectively arranged corresponding to a group of adjacent edges of the square radiation sheet 4 to feed the square radiation sheet 4, and the feeding column 7 penetrates through the lower dielectric layer 1, the stratum 2 and the upper dielectric layer 3; the feeding position of the square radiation piece 4 is positioned at the midpoint of the side edge of the square radiation piece 4.

Optionally, the center line of the total branch 61 is collinear with a diagonal of the square radiating patch 4 when the novel wide-beam microstrip antenna is seen from a top view.

In this embodiment, the functional branch section 62 is L-shaped; the grounding column 5 is cylindrical; the feeding post 7 is cylindrical or prismatic.

The upper dielectric layer 3, the lower dielectric layer 1 and the stratum 2 are square respectively, the side length of the upper dielectric layer 3 is equal to the side length of the lower dielectric layer 1, and the side length of the stratum 2 is equal to the side length of the upper dielectric layer 3. In this embodiment, the side length of the square radiation piece 4 is 16mm, and the side length of the stratum 2 is 80mm.

Fig. 3 shows an E-plane beam pattern of the novel wide-beam microstrip antenna, fig. 4 shows an H-plane beam pattern of the novel wide-beam microstrip antenna, and it can be seen from fig. 3 and fig. 4 that the E-plane beam width of the novel wide-beam microstrip antenna is up to 128 degrees, the H-plane beam width is up to 120 degrees, and cross polarization is lower than-15 dB.

Fig. 5 shows an S-parameter graph of the novel wide-beam microstrip antenna, and as can be seen from fig. 5, the novel wide-beam microstrip antenna can operate in the N258 frequency band (24.25-27.5 GHz).

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (9)

1. Novel wide wave beam microstrip antenna, its characterized in that: the device comprises a lower dielectric layer, a stratum and an upper dielectric layer which are sequentially connected in a laminated manner from bottom to top, wherein a square radiation sheet is arranged on the top surface of the upper dielectric layer, and a grounding column connected with the stratum is arranged in the center of the square radiation sheet; the bottom surface of the lower medium layer is provided with a power divider, the power divider comprises a total branch and two power branch sections which are connected, and the two power branch sections are symmetrical about the central line of the total branch; one end of the power branch joint, which is far away from the main branch joint, is provided with a feed column, and two feed columns are respectively arranged corresponding to a group of adjacent edges of the square radiation sheet so as to feed the square radiation sheet.

2. The novel wide-beam microstrip antenna as in claim 1, wherein: the feed position of the square radiating patch is positioned at the midpoint of the side edge of the square radiating patch.

3. The novel wide-beam microstrip antenna as in claim 1, wherein: the power dividing branches are L-shaped.

4. The novel wide-beam microstrip antenna as in claim 1, wherein: the grounding column is cylindrical.

5. The novel wide-beam microstrip antenna as in claim 1, wherein: the feed post is cylindric or prismatic.

6. The novel wide-beam microstrip antenna as in claim 1, wherein: the side length of the square radiation piece is 16mm.

7. The novel wide-beam microstrip antenna as in claim 1, wherein: the thickness of the lower dielectric layer is smaller than that of the upper dielectric layer.

8. The novel wide-beam microstrip antenna as in claim 1, wherein: the upper dielectric layer and the lower dielectric layer are square respectively, and the side length of the upper dielectric layer is equal to the side length of the lower dielectric layer.

9. The novel wide-beam microstrip antenna as in claim 8, wherein: the stratum is square, and the side length of the stratum is equal to that of the upper medium layer.