CN220797083U - Wide-beam antenna and communication equipment - Google Patents

Abstract

The utility model provides a wide-beam antenna and communication equipment, the wide-beam antenna comprises a dielectric resonator, a dielectric column embedded in a first hole and a feed patch, wherein the dielectric resonator is provided with the first hole and a plurality of hole groups, the hole groups are circumferentially arrayed by taking the first hole as a circle center, each hole group comprises a plurality of second holes, a semicircular groove is arranged on the side of the feed patch, the feed patch is attached to the dielectric resonator and is coaxially arranged with the dielectric column, and a plurality of fixing columns respectively connected with the corresponding second holes are arranged on the feed patch, so that the use of a radio frequency chip is avoided, the design cost is reduced, and the wide-beam antenna is realized.

Description

Wide-beam antenna and communication equipment

Technical Field

The present utility model relates to the field of antenna technologies, and in particular, to a wide beam antenna and a communication device.

Background

The 5G millimeter wave module has the advantages that the radio frequency system loss is reduced in an AIP (package antenna) mode by combining a radio frequency chip and a substrate antenna, the integration level is higher, the performance is better, and electronic scanning is performed to achieve high-space coverage. The electronic scanning method of the antenna combined with the radio frequency chip requires high cost and high complexity of radio frequency link design due to high chip price.

There are requirements for millimeter wave patterns or beams in different scenarios, and in 5G millimeter wave communications we want AIP to cover omni-directional antennas close to space. Therefore, there is a need for an antenna that solves the above-mentioned problems.

Disclosure of Invention

The main object of the present utility model is to provide a wide beam antenna and a communication device which solve the above technical problems.

The utility model provides a wide-beam antenna in a first aspect, which comprises a dielectric resonator, a dielectric column embedded in a first hole and a feed patch, wherein the dielectric resonator is provided with the first hole and a plurality of hole groups, the hole groups are circumferentially arrayed by taking the first hole as a circle center, each hole group comprises a plurality of second holes, a semicircular groove is formed in the side of the feed patch, the feed patch is attached to the dielectric resonator, the semicircular groove and the dielectric column are coaxially arranged, and a plurality of fixing columns which are respectively connected with the corresponding second holes are arranged on the feed patch.

Preferably, the first hole is disposed at a center position of the dielectric resonator.

Preferably, a plurality of the hole groups are circumferentially arrayed with the first hole as a center and with a deflection interval of 45 °.

Preferably, the number of the second holes is four, the number of the four second holes is four, the second holes are in a linear uniform array, and the fixing columns are four and correspond to the positions of the four second holes respectively.

Preferably, the hole pitch of the four second holes is 2mm.

Preferably, four bonding pads for respectively welding the corresponding four fixing columns are arranged on the feeding patch.

Preferably, the feeding patch adopts a rectangular sheet body with the length of 11mm and the width of 7 mm.

The present utility model provides in a second aspect a communications device comprising a wide beam antenna as in any one of the above aspects.

The utility model has the beneficial effects that: the utility model provides a wide wave beam antenna and communications facilities, this wide wave beam antenna include the dielectric resonator, imbed in dielectric post and the feed paster in the first hole, be equipped with first hole and a plurality of hole group on the dielectric resonator, a plurality of the hole group with first hole is the centre of a circle carries out circumference array, the hole group includes a plurality of second holes, be equipped with the semicircle groove on the avris of feed paster, the feed paster attached in on the dielectric resonator and semicircle groove and the coaxial setting of dielectric post, be equipped with a plurality of respectively with corresponding a plurality of fixed column that the second hole is connected on the feed paster, avoid the use of radio frequency chip, reduce design cost, realize possessing wide wave beam characteristic.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a dielectric resonator according to an embodiment of the present utility model;

FIG. 3 is an exploded view of a dielectric post, feed patch, and fixing post according to an embodiment of the present utility model;

fig. 4 is a diagram of the E-plane and H-plane of the feeding patch at 0 °, 45 °, and 90 ° according to an embodiment of the present utility model.

The reference numbers in the figures are as follows:

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs.

The terms "first," "second," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

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

Referring to fig. 1 to fig. 4, the wide beam antenna provided in the first aspect of the present utility model includes a dielectric resonator 100, a dielectric pillar 200 embedded in a first hole 101, and a feeding patch 300, where the dielectric resonator 100 is provided with the first hole 101 and a plurality of hole groups 102, and the plurality of hole groups 102 are circumferentially arrayed with the first hole 101 as a center; in other embodiments, the plurality of hole groups 102 may be linear arrays, rectangular arrays, or the like using the first hole 101 as an array start point, while in this embodiment, a circumferential array, specifically, a sector array, is used, and the gaps between each hole group 102 are the same.

The hole set 102 includes a plurality of second holes 1021, a semicircular slot 301 is disposed on an edge side of the feeding patch 300, the feeding patch 300 is attached to the dielectric resonator 100, the semicircular slot 301 and the dielectric pillar 200 are coaxially disposed, and a plurality of fixing pillars 302 respectively connected to the corresponding plurality of second holes 1021 are disposed on the feeding patch 300.

Specifically, in this embodiment, the shapes of the first hole 101 and the second hole 1021 are circular holes, in other embodiments, the shapes of the first hole 101 and the second hole 1021 may be holes with different shapes such as triangles and rectangles, while the semicircular slot 301 is configured to make the center of the circle coaxial with the dielectric pillar 200, when the subsequent arrangement is performed for different deflection angles, the feeding patch 300 is convenient to deflect, in other embodiments, the semicircular slot 301 may also be a slot with other shapes, and of course, the slot needs to be a semi-slot, so that the feeding patch is convenient to directly insert into the dielectric pillar 200 and coaxial with the dielectric pillar 200, as shown in fig. 1 and fig. 2, the feeding patch 300 can deflect at a certain angle relative to the original position according to the hole groups 102 mounted on different positions of the fixed pillar 302, in this embodiment, the plurality of hole groups 102 use the first hole 101 as the center and use 45 ° deflection spacing to perform the circumferential array, that is 45 ° as the basic angle of deflection, as shown in fig. 4, and the antenna beam is wide in the directions of the antenna 300 ° and the antenna is not scanned in the three directions.

Further, the number of the second holes 1021 is four, the four second holes 1021 are in a linear uniform array, and the fixing columns 302 are provided with four positions corresponding to the four second holes 1021 respectively. Further, the hole pitch of the four second holes 1021 is 2mm, and four bonding pads 303 for respectively bonding the corresponding four fixing posts 302 are provided on the feeding patch 300. The feeding patch 300 is a rectangular sheet body having a length of 11mm and a width of 7 mm.

The present utility model provides in a second aspect a communications device comprising a wide beam antenna according to any one of the above aspects.

The foregoing is merely exemplary of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the inventive concept, which fall within the scope of the utility model.

Claims (8)

1. A wide beam antenna comprising:

the dielectric resonator is provided with a first hole and a plurality of hole groups, the hole groups are circumferentially arrayed by taking the first hole as a circle center, and the hole groups comprise a plurality of second holes;

a dielectric post embedded within the first aperture;

the feeding patch is provided with a semicircular groove on the side of the feeding patch, the feeding patch is attached to the dielectric resonator and is coaxially arranged with the dielectric column, and the feeding patch is provided with a plurality of fixing columns which are respectively connected with a plurality of corresponding second holes.

2. The wide beam antenna of claim 1, wherein the first aperture is positioned in a center of the dielectric resonator.

3. The wide beam antenna of claim 2, wherein a plurality of said aperture sets are circumferentially arrayed about said first aperture and with a 45 ° offset spacing.

4. The wide beam antenna of claim 1, wherein the second holes are provided in four, the four second holes are in a linear uniform array, and the fixed posts are provided in four positions corresponding to the four second holes, respectively.

5. The wide beam antenna of claim 4, wherein four of the second apertures have an aperture spacing of 2mm.

6. The wide beam antenna of claim 4, wherein four pads for soldering the corresponding four fixing posts are provided on the feeding patch.

7. The wide beam antenna of claim 1, wherein the feed patch is a rectangular sheet having a length of 11mm and a width of 7 mm.

8. A communication device comprising the wide beam antenna of any one of claims 1-7.