CN215008591U - Dual-polarization dual-frequency dielectric resonator millimeter wave module and mobile terminal equipment - Google Patents
Dual-polarization dual-frequency dielectric resonator millimeter wave module and mobile terminal equipment Download PDFInfo
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- CN215008591U CN215008591U CN202120572603.4U CN202120572603U CN215008591U CN 215008591 U CN215008591 U CN 215008591U CN 202120572603 U CN202120572603 U CN 202120572603U CN 215008591 U CN215008591 U CN 215008591U
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Abstract
The utility model discloses a dielectric resonator millimeter wave module and mobile terminal equipment of double polarization dual-frenquency. The dual-polarization dual-frequency millimeter wave module of the dielectric resonator comprises a substrate and a plurality of antenna units arranged on the substrate in an array mode, wherein a feed structure is arranged on the substrate and comprises feed pieces, the antenna units are ceramic bodies in a rectangular shape, and the feed pieces are arranged on two adjacent side walls of the antenna units respectively. The dual-polarized dual-frequency dielectric resonator millimeter wave module has the advantages of simple structure, low profile height and small volume, and is particularly suitable for being applied to light and thin mobile terminal equipment; the dual polarization can be realized, the gain is high, and the performance is excellent; the method can effectively cover N257, N258 and N260 frequency bands specified by 3GPP, and has wide coverage range.
Description
Technical Field
The utility model relates to an antenna technology field especially relates to a dielectric resonator millimeter wave module and mobile terminal equipment of double polarization dual-frenquency.
Background
5G is the focus of research and development in the global industry, and it has become common knowledge in the industry to develop 5G technology and establish the 5G standard. The international telecommunications union ITU identified three major application scenarios for 5G at ITU-RWP5D meeting No. 22 held 6 months 2015: enhanced mobile broadband, large-scale machine communication, and high-reliability low-latency communication. The 3 application scenes correspond to different key indexes respectively, wherein in the enhanced mobile bandwidth scene, the peak speed of a user is 20Gbps, and the lowest user experience rate is 100 Mbps.
According to the technical specification of 3GPP TS 38.101-25G terminal radio frequency and the technical report of TR38.817 terminal radio frequency, 5 GmWave antenna needs to cover N257(26.5-29.5GHz), N258(24.25-27.25GHz), N260(37-40GHz) and N261(27.5-28.35 GHz); according to the report of the 3GPP TR38.817 terminal radio frequency technology, the special effect of antenna dual polarization is added with 3dB to a radio frequency link, so the antenna dual polarization is a necessary index of a 5G millimeter wave module.
The unique high carrier frequency and large bandwidth characteristics of millimeter waves are the main means for realizing 5G ultrahigh data transmission rate.
However, the dual-polarized dual-frequency millimeter wave module in the prior art often has the problems of complex structure and large occupied space.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the dual-polarization dual-frequency dielectric resonator millimeter wave module and the mobile terminal device are simple in structure.
In order to solve the technical problem, the utility model discloses a technical scheme be: the millimeter wave module comprises a substrate and a plurality of antenna units arranged on the substrate in an array mode, wherein a feed structure is arranged on the substrate and comprises feed pieces, the antenna units are ceramic bodies in a rectangular shape, and the feed pieces are arranged on two adjacent side walls of each antenna unit respectively.
Further, a plurality of the antenna units are arranged in a row.
Furthermore, a groove is formed in the side wall of the antenna unit, and the feed sheet is arranged in the groove.
Furthermore, the four side walls of the antenna unit are respectively provided with the grooves.
Further, the height direction of the feeding sheet is consistent with the thickness direction of the substrate.
Furthermore, the feed sheet is a metal plating layer arranged on the side wall of the antenna unit.
Furthermore, the feed structure still includes the chip subassembly, the base plate is kept away from one side of antenna element is equipped with the chip subassembly, the chip subassembly with feed piece electric connection.
Furthermore, the feed structure further comprises a matching network arranged inside the substrate, and the chip assembly is electrically connected with the feed sheet through the matching network.
Further, the feeding plate is disposed corresponding to a center line of a sidewall of the antenna unit.
In order to solve the technical problem, the utility model discloses a technical scheme be: the mobile terminal equipment comprises the dual-polarized dual-frequency dielectric resonator millimeter wave module.
The beneficial effects of the utility model reside in that: the dual-polarized dual-frequency dielectric resonator millimeter wave module has the advantages of simple structure, low profile height and small volume, and is particularly suitable for being applied to light and thin mobile terminal equipment; the dual polarization can be realized, the gain is high, and the performance is excellent; the method can effectively cover N257, N258 and N260 frequency bands specified by 3GPP, and has wide coverage range.
Drawings
Fig. 1 is a schematic structural diagram of an overall structure of a dual-polarized dual-frequency dielectric resonator millimeter wave module according to a first embodiment of the present invention;
fig. 2 is a top view of a dual-polarized dual-band dielectric resonator millimeter wave module according to a first embodiment of the present invention (after a partial structure is hidden);
FIG. 3 is an enlarged view of detail A in FIG. 2;
fig. 4 is a schematic structural diagram of a partial structure of a dual-polarized dual-band dielectric resonator millimeter wave module according to a first embodiment of the present invention;
fig. 5 is a diagram of a result of S parameter test of polarization of the dual-polarization dual-frequency dielectric resonator millimeter wave module according to the first embodiment of the present invention;
fig. 6 is a diagram of a test result of S parameters of another polarization of the dual-polarization dual-frequency dielectric resonator millimeter wave module according to the first embodiment of the present invention.
Description of reference numerals:
1. a substrate;
2. an antenna unit; 21. a groove;
3. a feeding sheet;
4. an earth formation; 41. avoiding holes;
5. a chip assembly;
6. a matching network.
Detailed Description
In order to explain the technical content, 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 to 6, a dual-polarized dual-frequency dielectric resonator millimeter wave module includes a substrate 1 and a plurality of antenna units 2 arranged on the substrate 1 in an array manner, wherein a feed structure is arranged on the substrate 1, the feed structure includes a feed plate 3, the antenna units 2 are rectangular ceramic bodies, and two adjacent sidewalls of the antenna units 2 are respectively provided with the feed plate 3.
From the above description, the beneficial effects of the present invention are: the dual-polarized dual-frequency dielectric resonator millimeter wave module has the advantages of simple structure, low profile height and small volume, and is particularly suitable for being applied to light and thin mobile terminal equipment; the dual polarization can be realized, the gain is high, and the performance is excellent; the method can effectively cover N257, N258 and N260 frequency bands specified by 3GPP, and has wide coverage range.
Further, a plurality of the antenna units 2 are arranged in a row.
Further, a groove 21 is formed in a side wall of the antenna unit 2, and the feeding plate 3 is disposed in the groove 21.
According to the description, the grooves 21 can play the limiting and protecting roles, the structural stability of the dual-polarized dual-frequency dielectric resonator millimeter wave module is guaranteed, and the service life of the dual-polarized dual-frequency dielectric resonator millimeter wave module is prolonged.
Further, the four side walls of the antenna unit 2 are respectively provided with the grooves 21.
According to the description, when the dual-polarization dual-frequency dielectric resonator millimeter wave module is processed, the arrangement surface of the feed sheet 3 does not need to be distinguished, the production efficiency of the dual-polarization dual-frequency dielectric resonator millimeter wave module is improved, and the manufacturing cost of the dual-polarization dual-frequency dielectric resonator millimeter wave module is reduced.
Further, the height direction of the feed tab 3 coincides with the thickness direction of the substrate 1.
Further, the feeding sheet 3 is a metal plating layer provided on a side wall of the antenna unit 2.
From the above description, the feed tab 3 is easy to process and manufacture, and can facilitate subsequent assembly, which is beneficial to cost control of the dual-polarized dual-frequency dielectric resonator millimeter wave module.
Furthermore, the feed structure still includes chip assembly 5, one side that base plate 1 kept away from antenna element 2 is equipped with chip assembly 5, chip assembly 5 with feed piece 3 electric connection.
Further, the feed structure further comprises a matching network 6 arranged inside the substrate 1, and the chip component 5 is electrically connected with the feed sheet 3 through the matching network 6.
From the above description, the setting of the matching network 6 can increase the bandwidth of the dual-polarized dual-frequency dielectric resonator millimeter wave module, so as to further improve the antenna performance of the dual-polarized dual-frequency dielectric resonator millimeter wave module.
Further, the feeding tab 3 is disposed corresponding to a center line of a sidewall of the antenna unit 2.
The mobile terminal equipment comprises the dual-polarized dual-frequency dielectric resonator millimeter wave module.
As can be seen from the above description, the mobile terminal device can be more easily made thinner.
Example one
Referring to fig. 1 to 6, a first embodiment of the present invention is: a dual-polarized dual-frequency millimeter wave module of a dielectric resonator can be used in mobile terminal equipment, wherein the mobile terminal equipment comprises but is not limited to a mobile phone, a tablet personal computer, a smart watch and the like.
Referring to fig. 1 to 4, the dual-polarized dual-frequency dielectric resonator millimeter wave module includes a substrate 1 and a plurality of antenna units 2 arranged on the substrate 1 in an array manner, the plurality of antenna units 2 are arranged in at least one row on the substrate 1, the substrate 1 is provided with a feed structure, the feed structure includes a strip-shaped feed strip 3, the antenna units 2 are rectangular ceramic bodies, and two adjacent sidewalls of the antenna units 2 are respectively provided with the feed strip 3. In this embodiment, the substrate 1 is a PCB multilayer board; a plurality of antenna units 2 are arranged in a row; the DK value of the ceramic body is 14, the DK value of the ceramic body is proper, and the performance of the antenna of the dual-polarized dual-frequency dielectric resonator millimeter wave module is guaranteed. The strip-shaped feed sheet 3 can improve the consistency of the antenna unit and reduce the difficulty of process control.
Referring to fig. 3 and 4, in detail, the height direction of the feeding sheet 3 is consistent with the thickness direction of the substrate 1; the width directions of the two feeding pieces 3 arranged on the same antenna unit 2 are perpendicular to each other.
Referring to fig. 2 and 4, in more detail, the feeding plates 3 are disposed on a side surface of a plurality of antenna units 2 facing the same direction, and a normal direction of the side surface of the antenna unit 2 is perpendicular to an arrangement direction of the antenna units 2.
As shown in fig. 2 and fig. 3, specifically, a ground layer 4 is disposed on the top surface of the substrate 1, the antenna unit 2 is fixed on the ground layer 4, and an avoiding hole 41 for avoiding the feeding structure is disposed on the ground layer 4.
As shown in fig. 1 and fig. 3, in order to ensure the structural stability of the dual-polarized dual-frequency dielectric resonator millimeter wave module, a groove 21 is formed in a sidewall of the antenna unit 2, and the feed plate 3 is disposed in the groove 21. In order to facilitate processing and assembling, the four side walls of the antenna unit 2 are respectively provided with the grooves 21, and the grooves 21 are arranged corresponding to the central lines of the side walls of the ceramic body where the grooves are located. Preferably, the groove 21 communicates the top surface and the bottom surface of the ceramic body, so that the processing of the ceramic body is facilitated, and the processing precision requirement of the ceramic body is reduced. Alternatively, the cross section of the groove 21 is rectangular.
In a preferred embodiment, the feeding sheet 3 is a metal plating layer, such as a copper plating layer, having an elongated shape and provided on the side wall of the antenna unit 2. In addition, when the metal coating is arranged, the groove 21 also has a certain positioning function, so that the machining precision of the dual-polarized dual-frequency dielectric resonator millimeter wave module and the consistency of the antenna unit 2 are guaranteed.
Preferably, the wall surface of the groove 21 close to the center of the antenna unit 2 is a rough surface, so that the bonding force between the ceramic body and the metal coating can be increased, and the structural stability of the dual-polarized dual-frequency dielectric resonator millimeter wave module is ensured. Further, the rough surface may be formed in synchronization with the groove, simply, and a surface of the injection molding die of the ceramic body, which is abutted against the rough surface, is a rough surface.
As shown in fig. 4, the feed structure further includes a chip component 5 and a matching network 6 disposed inside the substrate 1, the chip component 5 is disposed on one side of the substrate 1 away from the antenna unit 2, and the chip component 5 is electrically connected to the feed plate 3 through the matching network 6. Optionally, the feeding sheet 3 is welded and conducted with the matching network 6.
In this embodiment, the chip assembly 5 includes a digital integrated circuit chip, a power chip and a radio frequency chip, the digital integrated circuit chip and the power chip are electrically connected to the radio frequency chip, respectively, and the radio frequency chip is connected to the feeding sheet 3. The radio frequency chip is used for feeding the antenna unit 2 and comprises elements such as a phase shifter, an amplifier and the like, wherein the phase shifter is used for providing phase difference between the antenna units 2 to realize the beam scanning capability, and the amplifier is used for compensating the loss of the phase shifter; the digital integrated circuit chip is used for supplying power to the radio frequency chip.
Fig. 5 is a diagram illustrating S parameter test results of one polarization of the dual-polarization dual-frequency dielectric resonator millimeter wave module of the present embodiment; as can be seen from the figure, the dual-polarized dual-frequency dielectric resonator millimeter wave module of the embodiment can cover the frequency band of 24.5GHz-29.5GHz and the frequency band of 37.5 GHz-41 GHz.
Fig. 6 is a diagram illustrating a test result of S-parameters of another polarization of the dual-polarization dual-frequency dielectric resonator millimeter wave module according to the embodiment; as can be seen from the figure, the dual-polarized dual-frequency dielectric resonator millimeter wave module of the embodiment can cover the frequency band of 26GHz-29.5GHz and the frequency band of 37 GHz-40 GHz.
Therefore, the dual-polarized dual-frequency dielectric resonator millimeter wave module can well meet the requirement of 5G communication, and the mobile terminal device has excellent communication performance.
Example two
The second embodiment of the present invention is another technical solution provided on the basis of the first embodiment, which is different from the first embodiment in that: the feed plate is not a metal plating layer plated on the antenna element, but a metal patch, such as a copper patch, attached to the ceramic body.
To sum up, the utility model provides a dual-polarized dual-frequency dielectric resonator millimeter wave module and mobile terminal equipment, simple structure, small in size can effectively satisfy the development trend of mobile terminal equipment frivolousization; the dual polarization can be realized, the gain is high, the N257, N258 and N260 frequency bands specified by 3GPP can be effectively covered, the coverage range is wide, and the performance is excellent.
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. The utility model provides a dielectric resonator millimeter wave module of dual polarization dual-frenquency, includes that base plate and array locate a plurality of antenna element on the base plate, be equipped with feed structure on the base plate, feed structure includes feed piece, its characterized in that: the antenna unit is a ceramic body in a rectangular shape, and the two adjacent side walls of the antenna unit are respectively provided with the feeding sheets.
2. The dual polarized dual band dielectric resonator millimeter wave module of claim 1, wherein: the antenna units are arranged in a row.
3. The dual polarized dual band dielectric resonator millimeter wave module of claim 1, wherein: the side wall of the antenna unit is provided with a groove, and the feed sheet is arranged in the groove.
4. The dual polarized dual band dielectric resonator millimeter wave module of claim 3, wherein: the four side walls of the antenna unit are respectively provided with the grooves.
5. The dual polarized dual band dielectric resonator millimeter wave module of claim 1, wherein: the height direction of the feed piece is consistent with the thickness direction of the substrate.
6. The dual polarized dual band dielectric resonator millimeter wave module of claim 1, wherein: the feed sheet is a metal coating layer arranged on the side wall of the antenna unit.
7. The dual polarized dual band dielectric resonator millimeter wave module of claim 1, wherein: the feed structure still includes the chip subassembly, the base plate is kept away from one side of antenna element is equipped with the chip subassembly, the chip subassembly with feed piece electric connection.
8. The dual polarized dual band dielectric resonator millimeter wave module of claim 7, wherein: the feed structure further comprises a matching network arranged inside the substrate, and the chip assembly is electrically connected with the feed sheet through the matching network.
9. The dual polarized dual band dielectric resonator millimeter wave module of claim 1, wherein: the feed tab is disposed corresponding to a center line of a sidewall of the antenna unit.
10. Mobile terminal equipment, its characterized in that: a millimeter wave module comprising the dual polarized dual frequency dielectric resonator of any of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120572603.4U CN215008591U (en) | 2021-03-19 | 2021-03-19 | Dual-polarization dual-frequency dielectric resonator millimeter wave module and mobile terminal equipment |
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| CN202120572603.4U CN215008591U (en) | 2021-03-19 | 2021-03-19 | Dual-polarization dual-frequency dielectric resonator millimeter wave module and mobile terminal equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193387A (en) * | 2021-03-19 | 2021-07-30 | 深圳市信维通信股份有限公司 | Dual-polarization dual-frequency dielectric resonator millimeter wave module and mobile terminal equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193387A (en) * | 2021-03-19 | 2021-07-30 | 深圳市信维通信股份有限公司 | Dual-polarization dual-frequency dielectric resonator millimeter wave module and mobile terminal equipment |
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