CN218586318U - Compact dielectric resonator antenna module and electronic equipment - Google Patents
Compact dielectric resonator antenna module and electronic equipment Download PDFInfo
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- CN218586318U CN218586318U CN202221994298.9U CN202221994298U CN218586318U CN 218586318 U CN218586318 U CN 218586318U CN 202221994298 U CN202221994298 U CN 202221994298U CN 218586318 U CN218586318 U CN 218586318U
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- 239000000758 substrate Substances 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims description 3
- 238000011900 installation process Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- 230000009466 transformation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model provides a compact dielectric resonator antenna module and electronic equipment, which comprises a dielectric substrate, a dielectric resonator and a fixing unit; the dielectric substrate comprises a first surface and a second surface which are opposite, and the dielectric resonator is arranged on the first surface; the dielectric resonator comprises a connecting piece and a plurality of antenna units; the connecting piece comprises end parts and a central part, wherein the end parts are connected with the plurality of antenna units, and the central part is connected with the fixing unit; the connecting piece and the plurality of antenna units are integrally formed; the antenna units are of an integrated structure, and only need to be installed once, so that the alignment error generated in the installation process of the antenna units is greatly reduced, and the performance of the antenna is ensured; meanwhile, the antenna module has a compact structure, the overall size of the antenna module is reduced, and the fixing unit is arranged on the connecting piece, so that the coupling between the antenna units can be reduced; the antenna module can cover N257 frequency bands in 5G and has the advantages of low section and the like.
Description
Technical Field
The utility model relates to a wireless communication technology field especially relates to a compact dielectric resonator antenna module and electronic equipment.
Background
The miniaturized antenna module of current 5G antenna module requirement design, and based on PCB's conventional millimeter wave broadband antenna, because bandwidth coverage's design demand leads to its thickness to increase, the processing degree of difficulty increase, consequently adopts the dielectric resonator that the ceramic body constitutes, and the machining precision is high, and is small at the millimeter wave frequency channel, and the cost is lower, compares PCB and has very big advantage.
However, a conventionally designed 5G terminal millimeter wave antenna is generally a 1 × 4 unit, if a DRA (dielectric resonator antenna) mode is adopted for design, 4 discrete dielectric resonators are required during installation, and the dielectric resonators need to be repeated for 4 times during adhesion and fixation, and the design mode has too many uncertain factors during repeated adhesion and fixation, so that antenna performance simulation and actual errors are large, antenna performance is poor, design steps are complex, and mass production is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the compact dielectric resonator antenna module and the electronic equipment are provided, uncertain factors are reduced, the performance of the antenna is guaranteed, and the mass production of the antenna is facilitated.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a compact dielectric resonator antenna module comprises a dielectric substrate, a dielectric resonator and a fixing unit;
the dielectric substrate comprises a first surface and a second surface which are opposite, and the dielectric resonator is arranged on the first surface; the dielectric resonator comprises a connecting piece and a plurality of antenna units; the connecting piece comprises end parts and a central part, wherein the end parts are connected with the plurality of antenna units, and the central part is connected with the fixing unit; the connecting piece and the plurality of antenna units are integrally formed.
In order to solve the technical problem, the utility model discloses a another technical scheme be:
an electronic device comprises the compact dielectric resonator antenna module.
The beneficial effects of the utility model reside in that: the antenna units are of an integrated structure, and only need to be installed once, so that the alignment error generated in the installation process of the antenna units is greatly reduced, and the performance of the antenna is ensured; meanwhile, the antenna module is compact in structure, the dielectric resonator is only arranged on one side of the dielectric substrate, the overall size of the antenna module is reduced, and the fixing unit is arranged on the connecting piece, so that the coupling between the antenna units can be reduced; the antenna module can cover N257 frequency bands in 5G and has the advantages of low section and the like.
Drawings
Fig. 1 is a top view of a compact dielectric resonator antenna module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an antenna module of a compact dielectric resonator according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a dielectric resonator according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a dielectric substrate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a dielectric resonator and a fixing unit according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a first fixing element according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a microstrip match line and a radio frequency chip provided in an embodiment of the present invention;
fig. 8 is a scattering parameter diagram of a compact dielectric resonator antenna module according to an embodiment of the present invention;
description of reference numerals:
1. a dielectric substrate; 2. a dielectric resonator; 3. a fixing unit; 4. a microstrip match line; 5. a radio frequency chip; 6. BGA solder balls; 10. a feed gap; 11. a first side; 12. a second face; 21. a connecting member; 22. an antenna unit; 211. an end portion; 212. a central portion; 213. a first through hole; 31. a first fixing member; 32. a second fixing member; 311. a second via.
Detailed Description
In order to explain the technical contents, the objects and the 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 embodiment of the present invention provides a compact dielectric resonator antenna module, including a dielectric substrate, a dielectric resonator, and a fixing unit;
the dielectric substrate comprises a first surface and a second surface which are opposite, and the dielectric resonator is arranged on the first surface; the dielectric resonator comprises a connecting piece and a plurality of antenna units; the connecting piece comprises end parts and a central part, wherein the end parts are connected with the plurality of antenna units, and the central part is connected with the fixing unit; the connecting piece and the plurality of antenna units are integrally formed.
From the above description, the beneficial effects of the utility model reside in that: the antenna units are of an integrated structure, and only need to be installed once, so that the alignment error generated in the installation process of the antenna units is greatly reduced, and the performance of the antenna is ensured; meanwhile, the antenna module is compact in structure, the dielectric resonator is only arranged on one side of the dielectric substrate, the overall size of the antenna module is reduced, and the fixing unit is arranged on the connecting piece, so that the coupling between the antenna units can be reduced; the antenna module can cover N257 frequency bands in 5G and has the advantages of low section and the like.
Further, the antenna units are distributed in a 2 × 2 array.
As can be seen from the above description, the antenna module is packaged by using a 2 × 2 array, and the antenna module has a more compact structure, and not only can obtain higher gain, but also has the advantage of low profile compared with the 1 × 4 linear array in the prior art.
Furthermore, the antenna units are all of one-eighth sphere structures, and the end parts are connected with the sphere centers of the antenna units.
According to the description, the sphere structure occupies small volume, so that the whole volume of the antenna module is reduced, and miniaturization is realized.
Furthermore, the connecting piece is of a cross structure, the end parts, far away from the central part, of the cross structure are respectively connected with the antenna units, and the central part is provided with a first through hole which is used for being connected with the fixing unit.
According to the description, the integrated design of the antenna unit can be realized, the compactness of the antenna module structure is improved, the assembly times are reduced, the assembly error is reduced, and the size is reduced.
Further, the first surface is a ground plane, and the first surface includes a feed slot; the projection of the antenna element on the first face covers the feed slot.
The antenna module adopts a microstrip slot feed mode, does not need the antenna unit to be vertically connected with the microstrip line, simplifies the manufacturing process, reduces the cost and is convenient for mass production.
Further, the fixing unit comprises a first fixing piece and a second fixing piece; the first fixing piece wraps the central part and is connected with the first face; the first fixing piece comprises a second through hole, and the second through hole is formed in one end, far away from the medium substrate, of the first through hole; the second fixing piece sequentially penetrates through the second through hole and the first through hole to be connected with the first surface.
As can be seen from the above description, the first fixing member ensures the connection stability between the antenna unit and the chip; the second fixing member reinforces the entire connectivity of the first fixing member and the antenna unit while intercepting the electromagnetic energy transmission between the antenna units.
Furthermore, the radio frequency identification device also comprises a microstrip matching line and a radio frequency chip; the microstrip match line and the radio frequency chip are arranged on the second surface, one end of the microstrip match line is connected with the feed gap, and the other end of the microstrip match line is connected with the radio frequency chip.
It can be known from the above description that the antenna unit and the feed network structure are respectively disposed on two sides of the dielectric substrate, and the two are separated, so that the influence of the feed structure on the antenna unit is small, more design parameters are provided, and the design flexibility of the antenna module is improved.
Furthermore, the fixing unit is made of metal.
As can be seen from the above description, part of the structure of the fixing unit is embedded in the center of the connecting element, and the fixing unit is made of metal material, so that electromagnetic energy between the dielectric antenna units can be intercepted, and decoupling effect can be achieved.
Further, the dielectric constant of the dielectric substrate is 2-4.
Another embodiment of the present invention provides an electronic device, including the above-mentioned compact dielectric resonator antenna module.
From the above description, the beneficial effects of the present invention are: the antenna units are of an integrated structure, and only need to be installed once, so that the alignment error generated in the installation process of the antenna units is greatly reduced, and the performance of the antenna is ensured; meanwhile, the antenna module is compact in structure, the dielectric resonator is only arranged on one side of the dielectric substrate, the overall size of the antenna module is reduced, and the fixing unit is arranged on the connecting piece, so that the coupling between the antenna units can be reduced; the antenna module can cover N257 frequency bands in 5G and has the advantages of low section and the like.
A compact dielectric resonator antenna module and electronic equipment can be applied to a 5G terminal, reduce uncertain factors and ensure antenna performance, and are described by specific embodiments as follows:
referring to fig. 1 to 8, a first embodiment of the present invention is:
a compact dielectric resonator antenna module includes a dielectric substrate 1, a dielectric resonator 2, and a fixing unit 3.
Specifically, referring to fig. 2, the dielectric substrate 1 includes a first surface 11 and a second surface 12 opposite to each other, and the dielectric resonator 2 is disposed on the first surface 11; the dielectric resonator 2 includes a connecting member 21 and a plurality of antenna elements 22; the connector 21 includes an end portion 211 and a central portion 212, the end portion 211 connects the plurality of antenna units 22, the central portion 212 connects the fixing unit 3; the connecting piece 21 and the plurality of antenna units 22 are integrally formed, and the dielectric constant of the dielectric substrate is 2-4.
Referring to fig. 3, the present embodiment is illustrated as including four antenna units 22, where the four antenna units 22 are distributed in a 2 × 2 array; the antenna units 22 are all in one-eighth sphere structures, the centers of the spheres of the antenna units 22 are opposite, the antenna units 22 are symmetrically arranged, and the end portions 211 are connected with the centers of the spheres of the antenna units 22.
The connecting piece 21 is a cross-shaped structure, and the end parts 211 of the cross-shaped structure far away from the central part 212 are respectively connected with the four antenna units; the central portion 212 is provided with a first through hole 213, and the first through hole 213 is used for connecting the fixing unit 3.
It should be noted that the end portion 211 and the central portion 212 of the connecting member 21 are integrally formed, and are divided into the end portion and the central portion for convenience of description.
Specifically, referring to fig. 4, the first surface 11 is a ground plane, and the first surface 11 includes a feed slot 10; the projection of the antenna element 22 on the first face 11 covers the feed slot 10; in an alternative embodiment, the feeding slot 10 is disposed at the center of the projection area.
Specifically, referring to fig. 5 and 6, the fixing unit 3 includes a first fixing member 31 and a second fixing member 32; the first fixing element 31 wraps around the central portion 212 and is connected to the first face 11; the first fixing member 31 includes a second through hole 311, and the second through hole 311 is disposed at an end of the first through hole 213 away from the dielectric substrate 1; the second fixing member 32 sequentially passes through the second through hole 311 and the first through hole 213 to be connected to the first surface 11; wherein the first through hole 213 and the second through hole 311 form a combined through hole penetrating the first fixing member 31 and the central portion 212; the fixing unit 3 is made of metal; the second fixing member 32 has a screw structure.
Specifically, referring to fig. 7, the antenna further includes a microstrip match line 4 and a radio frequency chip 5; the microstrip match line 4 and the radio frequency chip 5 are arranged on the second surface 12, one end of the microstrip match line 4 is connected with the feed gap 4, and the other end of the microstrip match line 4 is connected with the radio frequency chip 5.
Further, the device also comprises BGA solder balls 6, wherein the BGA solder balls 6 are arranged on the second surface 12; the BGA solder balls 6 are connected with the radio frequency chip 4 through the microstrip matching line 4.
Referring to fig. 8, the scattering parameters of the antenna module cover 24GHz-32GHz, and the antenna module can cover N257 (26.5-29.5 GHz) bands in 5G and has a low profile.
To sum up, the compact dielectric resonator antenna module and the electronic device provided by the utility model have the advantages that the plurality of antenna units are integrated, and the plurality of antenna units only need to be installed once, so that the alignment error generated in the installation process of the plurality of antenna units is greatly reduced, and the antenna performance is ensured; meanwhile, the antenna unit adopts an eighth sphere structure, the compactness of the internal structure of the antenna module is improved, and the dielectric resonator is only arranged on one side of the dielectric substrate, so that the overall volume of the antenna module is greatly reduced; the antenna module can cover N257 frequency bands in 5G and has the advantages of low profile and the like.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. A compact dielectric resonator antenna module is characterized by comprising a dielectric substrate, a dielectric resonator and a fixing unit;
the dielectric substrate comprises a first surface and a second surface which are opposite, and the dielectric resonator is arranged on the first surface; the dielectric resonator comprises a connecting piece and a plurality of antenna units; the connecting piece comprises end parts and a central part, wherein the end parts are connected with the plurality of antenna units, and the central part is connected with the fixing unit; the connecting piece and the plurality of antenna units are integrally formed.
2. The compact dielectric resonator antenna module of claim 1, wherein the antenna elements are arranged in a 2 x 2 array.
3. The compact dielectric resonator antenna module of claim 1, wherein the antenna elements are each in a one-eighth sphere structure, and the end portion is connected to a center of the antenna element.
4. The compact dielectric resonator antenna module as claimed in claim 3, wherein the connecting member is a cross-shaped structure, ends of the cross-shaped structure far away from a central portion are respectively connected with the antenna units, and the central portion is provided with a first through hole for connecting with the fixing unit.
5. The compact dielectric resonator antenna module of claim 2, wherein the first face is a ground plane, the first face including a feed slot; the projection of the antenna element on the first face covers the feed slot.
6. The compact dielectric resonator antenna module of claim 4, wherein the fixing unit comprises a first fixing member and a second fixing member; the first fixing piece wraps the central part and is connected with the first face; the first fixing piece comprises a second through hole, and the second through hole is formed in one end, far away from the medium substrate, of the first through hole; the second fixing piece sequentially penetrates through the second through hole and the first through hole to be connected with the first surface.
7. The compact dielectric resonator antenna module of claim 5, further comprising a microstrip match line and a radio frequency chip; the microstrip match line and the radio frequency chip are arranged on the second surface, and the feed gap is connected with the radio frequency chip through the microstrip match line.
8. The compact dielectric resonator antenna module of claim 1, wherein the fixing unit is made of metal.
9. The compact dielectric resonator antenna module of claim 1, wherein the dielectric substrate has a dielectric constant of 2-4.
10. An electronic device comprising a compact dielectric resonator antenna module according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221994298.9U CN218586318U (en) | 2022-07-28 | 2022-07-28 | Compact dielectric resonator antenna module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221994298.9U CN218586318U (en) | 2022-07-28 | 2022-07-28 | Compact dielectric resonator antenna module and electronic equipment |
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| CN218586318U true CN218586318U (en) | 2023-03-07 |
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| CN202221994298.9U Active CN218586318U (en) | 2022-07-28 | 2022-07-28 | Compact dielectric resonator antenna module and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360498A (en) * | 2022-07-28 | 2022-11-18 | 深圳市信维通信股份有限公司 | Compact dielectric resonator antenna module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360498A (en) * | 2022-07-28 | 2022-11-18 | 深圳市信维通信股份有限公司 | Compact dielectric resonator antenna module |
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