CN215896692U - Ultra-wideband dielectric resonator antenna and communication equipment - Google Patents
Ultra-wideband dielectric resonator antenna and communication equipment Download PDFInfo
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- CN215896692U CN215896692U CN202121437850.XU CN202121437850U CN215896692U CN 215896692 U CN215896692 U CN 215896692U CN 202121437850 U CN202121437850 U CN 202121437850U CN 215896692 U CN215896692 U CN 215896692U
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Abstract
The utility model provides an ultra-wideband dielectric resonator antenna and communication equipment, which comprise a first dielectric resonance block, a second dielectric resonance block, a dielectric layer and a feed part, wherein the first dielectric resonance block is arranged on the first dielectric resonance block; the first dielectric resonance block and the second dielectric resonance block are arranged on one side of the dielectric layer; one side surface of the first dielectric resonance block is partially attached to one side surface of the second dielectric resonance block to form an attaching part; the feed part is matched with the joint part in position; according to the ultra-wideband antenna, the side parts of the two dielectric resonance blocks are attached to form the attaching part, the position of the feeding part is matched with that of the attaching part, when the feeding part excites the antenna, a current is generated on the surfaces of the two dielectric resonance blocks corresponding to the attaching part, and another current is generated on the surfaces of the two dielectric resonance blocks corresponding to the attaching part and the surface which is not corresponding to the attaching part, so that the bandwidth is widened, the dielectric resonator is easy to process and also easy to combine with the dielectric layer and the feeding part, and the processing and production difficulty of the ultra-wideband antenna is reduced.
Description
Technical Field
The utility model relates to the technical field of antennas, in particular to an ultra-wideband dielectric resonator antenna and communication equipment.
Background
According to the technical specification of 3GPP TS 38.101-25G terminal radio frequency and the report of TR38.817 terminal radio frequency, the 5G millimeter wave band includes N257(26.5-29.5GHz), N258(24.25-27.25GHz), N260(37-40GHz), and N261(27.5-28.35GHz), it can be seen that the coverage of the 5G millimeter wave band is large, and includes a plurality of different bands, obviously, in 5G millimeter wave mobile terminal communication, we can use multiple groups of antennas to cover the above bands, but the multiple groups of antennas occupy more terminal space, which will reduce the available space of other components of the terminal, and use a single antenna to implement dual-frequency and even wideband characteristics, thereby simplifying the structure and design flow of the integrated antenna.
However, no matter the antenna form is PATCH, dipole, slot, etc., if the thickness of the PCB is increased by covering N257, N258 and N260 according to the bandwidth requirement, the number of layers of the PCB is increased, and because in the millimeter frequency band, the requirement of the multilayer PCB on the precision of the hole width, the line width and the line distance is high, the processing difficulty is large.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the ultra-wideband dielectric resonator antenna and the communication equipment are provided, and the processing difficulty of the ultra-wideband antenna is reduced.
In order to solve the technical problems, the utility model adopts a technical scheme that:
an ultra-wideband dielectric resonator antenna comprises a first dielectric resonance block, a second dielectric resonance block, a dielectric layer and a feed part;
the first dielectric resonance block and the second dielectric resonance block are both arranged on one side of the dielectric layer;
one side surface of the first dielectric resonance block is partially attached to one side surface of the second dielectric resonance block to form an attaching part;
the feed portion is matched with the laminating portion in position.
Further, the first dielectric resonance block and the second dielectric resonance block are both rectangular solids.
Further, the feeding portion comprises a metal patch and a feeding line;
the metal patch is arranged at a position, matched with the attaching part, on one side, far away from the attaching part, of the first dielectric resonance block;
one end of the feeder line is connected with the metal patch, and the other end of the feeder line and the side edge of the dielectric layer are located on the same plane.
Further, the length of the bonded portion is 1/3 the length of the one side surface of the first dielectric resonator block or the second dielectric resonator block.
Further, the first dielectric resonator block and the second dielectric resonator block are identical.
Further, the metal patch is trapezoidal;
the short bottom side of the trapezoid is connected with the feeder line.
Further, the dielectric constants of the first dielectric resonator block and the second dielectric resonator block are both less than 14.
Further, the antenna ground is further included and is arranged on one side, far away from the first dielectric resonator, of the dielectric layer.
Further, the distance between the feed line and the edge of the second dielectric resonator block is a preset distance.
In order to solve the technical problem, the utility model adopts another technical scheme as follows:
a communication device comprises the ultra-wideband dielectric resonator antenna.
The utility model has the beneficial effects that: the side parts of the two dielectric resonance blocks are attached to form an attaching part, the position of the feeding part is matched with that of the attaching part, when the feeding part excites the feeding of the antenna, a current can be generated on the surfaces of the two dielectric resonance blocks corresponding to the attaching part of the dielectric resonance blocks to excite two resonance modes TE111 and TE211, another current is generated on the surfaces corresponding to the attaching parts of the two dielectric resonance blocks and the surface not corresponding to the attaching part to excite the resonance mode TE121, the bandwidth is widened, the dielectric resonator is easy to process and is also easy to combine with the dielectric layer and the feeding part, the production difficulty is reduced, and the processing and production difficulty of the ultra-wideband antenna is reduced.
Drawings
Fig. 1 is a schematic diagram of an ultra-wideband dielectric resonator antenna according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a dimension of a bonding portion of an ultra-wideband dielectric resonator antenna according to an embodiment of the present invention;
FIG. 3 is a schematic current diagram of a bonding portion according to an embodiment of the utility model;
FIG. 4 is a schematic diagram of the current flowing through the bonding portion and the non-bonding portion according to the embodiment of the utility model;
FIG. 5 is a cross-sectional view of the Yz plane TE111 mode magnetic field according to the embodiment of the present invention;
FIG. 6 is a cross-sectional view of the Yoz TE211 mode magnetic field of the embodiment of the present invention;
FIG. 7 is a cross-sectional view of an xoz-plane TE121 mode magnetic field according to an embodiment of the present invention;
fig. 8 is a schematic diagram illustrating S11 parameters of an ultra-wideband dielectric resonator antenna according to an embodiment of the present invention;
description of reference numerals:
11. a first dielectric resonator mass; 12. a second dielectric resonator mass; 2. a dielectric layer; 3. an antenna ground; 41. a metal patch; 42. and a feed line.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, an ultra wideband dielectric resonator antenna includes a first dielectric resonator block, a second dielectric resonator block, a dielectric layer, and a feeding portion;
the first dielectric resonance block and the second dielectric resonance block are both arranged on one side of the dielectric layer;
one side surface of the first dielectric resonance block is partially attached to one side surface of the second dielectric resonance block to form an attaching part;
the feed portion is matched with the laminating portion in position.
From the above description, the beneficial effects of the present invention are: the side parts of the two dielectric resonance blocks are attached to form an attaching part, the position of the feeding part is matched with that of the attaching part, when the feeding part excites the feeding of the antenna, a current can be generated on the surfaces of the two dielectric resonance blocks corresponding to the attaching part of the dielectric resonance blocks to excite two resonance modes TE111 and TE211, another current is generated on the surfaces corresponding to the attaching parts of the two dielectric resonance blocks and the surface not corresponding to the attaching part to excite the resonance mode TE121, the bandwidth is widened, the dielectric resonator is easy to process and is also easy to combine with the dielectric layer and the feeding part, the production difficulty is reduced, and the processing and production difficulty of the ultra-wideband antenna is reduced.
Further, the first dielectric resonance block and the second dielectric resonance block are both rectangular solids.
From the above description, the rectangular parallelepiped dielectric resonator block is easy to excite multiple resonant modes when resonating, and the rectangular parallelepiped dielectric resonator is easy to form, further reducing the difficulty of processing.
Further, the feeding portion comprises a metal patch and a feeding line;
the metal patch is arranged at a position, matched with the attaching part, on one side, far away from the attaching part, of the first dielectric resonance block;
one end of the feeder line is connected with the metal patch, and the other end of the feeder line and the side edge of the dielectric layer are located on the same plane.
As can be seen from the above description, when the metal patch is disposed at a position matching the bonding portion and receives a signal from an external power source through the power feed line, a current can pass through the two resonators at the bonding portion, and resonance in two modes, that is, TE111 and TE211, is realized.
Further, the length of the bonded portion is 1/3 the length of the one side surface of the first dielectric resonator block or the second dielectric resonator block.
As can be seen from the above description, 1/3, in which the length of the bonding portion is equal to the side length of the first dielectric resonator block or the second dielectric resonator block, ensures the surface area of the bonding portion so that the bonding portion can be excited to resonate normally, and simultaneously excites different modes of resonance in the non-bonded portion, thereby achieving the extension of the bandwidth.
Further, the first dielectric resonator block and the second dielectric resonator block are identical.
It can be known from the above description that the first dielectric resonant block and the second dielectric resonant block are completely the same, and the same dielectric constant and structure of the first dielectric resonant block and the second dielectric resonant block are easy to be equivalent to a whole for resonance, so that the bandwidth is expanded, and the two dielectric resonant blocks are manufactured without processing different sizes or using different raw materials, thereby reducing the complexity of the manufacturing process.
Further, the metal patch is trapezoidal;
the short bottom side of the trapezoid is connected with the feeder line.
As can be seen from the above description, the metal patch is set to be trapezoidal, so as to excite the resonance of the dielectric resonance block.
Further, the dielectric constant ranges of the first dielectric resonator block and the second dielectric resonator block are both smaller than 14.
As can be seen from the above description, setting the dielectric constant ranges to be less than 14 enables resonance of higher-order modes.
Further, the antenna ground is further included and is arranged on one side, far away from the first dielectric resonator, of the dielectric layer.
As can be seen from the above description, the antenna is disposed on the side of the dielectric layer away from the dielectric resonator, so that the backscattering antenna radiation can be reflected, and the gain of the antenna can be improved.
Further, the distance between the feed line and the edge of the second dielectric resonator block is a preset distance.
As can be seen from the above description, the distance between the feed line and the edge of the second dielectric resonator block is set to a preset distance, and the antenna gain can be improved by adjusting.
A communication device comprises the ultra-wideband dielectric resonator antenna.
The ultra-wideband dielectric resonator antenna can be applied to devices of a 5G millimeter wave communication system, such as handheld mobile devices including mobile phones, tablets and the like, and is described in the following by specific embodiments:
referring to fig. 1 and fig. 3 to 8, a first embodiment of the present invention is:
an ultra-wideband dielectric resonator antenna comprises a first dielectric resonance block 11, a second dielectric resonance block 12, a dielectric layer 2 and a feed part;
the first dielectric resonance block and the second dielectric resonance block are both arranged on one side of the dielectric layer; one side surface of the first dielectric resonance block is partially attached to one side surface of the second dielectric resonance block to form an attaching part; the feed part is matched with the joint part in position;
the antenna ground 3 is arranged on one side of the dielectric layer, which is far away from the first dielectric resonator;
in an alternative embodiment, the first dielectric resonator mass and the second dielectric resonator mass are identical;
in an alternative embodiment, the feeding portion includes a metal patch 41 and a feeding line 42; the metal patch is arranged at a position, matched with the attaching part, on one side, far away from the attaching part, of the first dielectric resonance block; one end of the feeder line is connected with the metal patch, and the other end of the feeder line and the side edge of the dielectric layer are positioned on the same plane and used for receiving a feed signal; the metal patch is trapezoidal, and the short bottom edge of the trapezoid is connected with the feeder line;
the dielectric constants of the first dielectric resonant block and the second dielectric resonant block are both less than 14;
in an alternative embodiment, the dielectric constant is 10.2;
referring to fig. 3 to 4, the working principle of the dielectric resonator antenna in this embodiment is as follows: referring to fig. 3, a current flows from the power feeding portion to the surface of the bonding portion, and resonance of two modes, TE111(31GHz) and TE211(39GHz), is formed on the yoz surface; referring to fig. 4, a current flows through the surface of the bonding portion and then flows to the surface of the second dielectric resonator, and resonance in a TE121(37GHz) mode is formed at the xoz plane;
please refer to fig. 5 and 6, which are schematic cross-sectional views of a magnetic field of a yoz plane, and fig. 7, which is a schematic cross-sectional view of a magnetic field of xoz planes, wherein the feed source position is a metal patch position;
referring to fig. 8, finally, the antenna covers N257(26.5-29.5GHz), N260(37-40GHz) GHz, and N261(27.5-28.35GHz), thereby implementing an ultra-wideband antenna.
Referring to fig. 2, the second embodiment of the present invention is:
an ultra-wideband dielectric resonator antenna is further provided, and specific dimensions of each part are further defined on the basis of the first embodiment;
the first dielectric resonance block and the second dielectric resonance block are completely the same cuboid, and the length range of the cuboid is 2.8-2.9 mm; the wide range is 1.35-1.45 mm; the high range is 1-1.1 mm;
in an alternative embodiment, the resonator has a length of 2.88mm, a width of 1.4mm and a height of 1.05mm, one surface of the resonator composed of the length and the width is connected with the dielectric layer, and one surface of the resonator composed of the length and the height is attached to another dielectric resonator;
the difference between the length of the attaching part and the length 1/3 of the side face of the first dielectric resonance block or the second dielectric resonance block is a preset value;
in an alternative embodiment, the length of the fit is 0.7-0.9 mm;
the distance between the feeder line and the edge of the second dielectric resonance block is a preset distance;
in an alternative embodiment, the predetermined distance is 0.48-0.96 mm.
Referring to fig. 2, a third embodiment of the present invention is:
a communication device comprising an ultra-wideband dielectric resonator antenna as described in one or the second embodiment.
In summary, the present invention provides an ultra-wideband dielectric resonator antenna and a communication device, where two dielectric resonator blocks are bonded to use a feeding portion, and the position of the feeding portion corresponds to the position of the bonding portion, so that currents excited by the feeding portion at the bonding portion flow through the surfaces of the two dielectric resonator blocks to form TE211 mode resonance, and the bonding portion is equivalent to a dielectric resonator and excites a TE111 mode at the surface of the equivalent dielectric resonator; meanwhile, the current flows through the non-bonding part from the bonding part to excite the TE121 mode, so that the bandwidth is expanded, namely the ultra-wideband antenna is realized; and only need set up two dielectric resonance blocks, processing is convenient, easy to carry out, has reduced the processing degree of difficulty of ultra wide band antenna, and the dielectric resonance block directly only needs to laminate, has also reduced the influence of error in the installation, can also set up two identical dielectric resonance blocks, realizes the further simplification of production.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. An ultra-wideband dielectric resonator antenna is characterized by comprising a first dielectric resonance block, a second dielectric resonance block, a dielectric layer and a feed part;
the first dielectric resonance block and the second dielectric resonance block are both arranged on one side of the dielectric layer;
one side surface of the first dielectric resonance block is partially attached to one side surface of the second dielectric resonance block to form an attaching part;
the feed portion is matched with the laminating portion in position.
2. The ultra-wideband dielectric resonator antenna of claim 1, wherein the first dielectric resonator mass and the second dielectric resonator mass are each a cuboid.
3. The ultra-wideband dielectric resonator antenna of claim 1, wherein the feed portion comprises a metal patch and a feed line;
the metal patch is arranged at a position, matched with the attaching part, on one side, far away from the attaching part, of the first dielectric resonance block;
one end of the feeder line is connected with the metal patch, and the other end of the feeder line and the side edge of the dielectric layer are located on the same plane.
4. The ultra-wideband dielectric resonator antenna of claim 1, wherein the length of the attachment portion is 1/3 the length of the one side of the first dielectric resonator block or the second dielectric resonator block.
5. The ultra-wideband dielectric resonator antenna of claim 1, wherein said first dielectric resonator mass and said second dielectric resonator mass are identical.
6. The ultra-wideband dielectric resonator antenna of claim 3, wherein the metal patch is trapezoidal;
the short bottom side of the trapezoid is connected with the feeder line.
7. The ultra-wideband dielectric resonator antenna of claim 1, wherein the dielectric constants of the first dielectric resonator mass and the second dielectric resonator mass are each less than 14.
8. The ultra-wideband dielectric resonator antenna of claim 1, further comprising an antenna ground disposed on a side of the dielectric layer remote from the first dielectric resonator mass.
9. The ultra-wideband dielectric resonator antenna of claim 3, wherein the feed line is a predetermined distance from the edge of the second dielectric resonator block.
10. A communication device comprising an ultra-wideband dielectric resonator antenna as claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202121437850.XU CN215896692U (en) | 2021-06-25 | 2021-06-25 | Ultra-wideband dielectric resonator antenna and communication equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121437850.XU CN215896692U (en) | 2021-06-25 | 2021-06-25 | Ultra-wideband dielectric resonator antenna and communication equipment |
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| CN215896692U true CN215896692U (en) | 2022-02-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540760A (en) * | 2021-06-25 | 2021-10-22 | 深圳市信维通信股份有限公司 | Ultra-wideband dielectric resonator antenna and communication equipment |
| CN115051162A (en) * | 2022-06-09 | 2022-09-13 | 深圳市信维通信股份有限公司 | Integrated dual-polarization dual-frequency millimeter wave dielectric resonator antenna and electronic equipment |
-
2021
- 2021-06-25 CN CN202121437850.XU patent/CN215896692U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540760A (en) * | 2021-06-25 | 2021-10-22 | 深圳市信维通信股份有限公司 | Ultra-wideband dielectric resonator antenna and communication equipment |
| CN115051162A (en) * | 2022-06-09 | 2022-09-13 | 深圳市信维通信股份有限公司 | Integrated dual-polarization dual-frequency millimeter wave dielectric resonator antenna and electronic equipment |
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