CN208157617U - Double frequency millimeter wave antenna system and its handheld device suitable for 5G communication - Google Patents
Double frequency millimeter wave antenna system and its handheld device suitable for 5G communication Download PDFInfo
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- CN208157617U CN208157617U CN201820564661.0U CN201820564661U CN208157617U CN 208157617 U CN208157617 U CN 208157617U CN 201820564661 U CN201820564661 U CN 201820564661U CN 208157617 U CN208157617 U CN 208157617U
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Abstract
The utility model discloses a kind of double frequency millimeter wave antenna systems and its handheld device suitable for 5G communication, the double frequency millimeter wave antenna system includes at least six spaced antenna element, the antenna element includes first antenna branch, second antenna branch, third antenna branch, rectangular insulating support and the metal patch for welding, the first antenna branch is fixedly installed on the top of the insulating support, second antenna branch is fixedly installed on the one side of the insulating support, the third antenna branch is fixedly installed on the bottom of the insulating support and connect with second antenna branch, the metal patch is fixedly installed on the bottom of the insulating support.First antenna branch and the second antenna branch can couple the resonance generated at 26GHz, and the second antenna branch can produce the resonance at 39GHz, two millimeter wave frequency bands in 5G communication system so as to cover China；It can directly Surface Mount use, be easy to integrated with radio-frequency front-end system.
Description
Technical field
The utility model relates to antenna technical field more particularly to a kind of double frequency millimeter wave antenna systems suitable for 5G communication
System and its handheld device.
Background technique
It is most simple in order to improve the performance of traffic rate and maximum access quantity amount etc. in following 5G communication system
A single effective method is exactly the bandwidth of operation for increasing communication system.Therefore, with the millimeter wave frequency band of enough frequency spectrum resources
Become one of the working frequency range of 5G communication system.Currently, during China fixes tentatively 24.75~27.5GHz and 37~42.5GHz and is
High band in the 5G communication system of state.Setting for this working frequency range, so that how to allow 5G millimeter wave antenna array real
Existing broadband or double frequency chemical conversion is a Research Challenges.
Utility model content
Technical problem to be solved in the utility model is：A kind of double frequency millimeter wave antenna system suitable for 5G communication is provided
System and its handheld device, antenna system can cover two millimeter wave frequency bands well, can directly Surface Mount use.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of double frequency millimeter wave antenna system suitable for 5G communication, including at least six spaced antenna list
Member, the antenna element include first antenna branch, the second antenna branch, third antenna branch, rectangular insulating support and use
In the metal patch of welding, the first antenna branch is fixedly installed on the top of the insulating support, second antenna point
Branch is fixedly installed on the one side of the insulating support, and the third antenna branch is fixedly installed on the bottom of the insulating support
And connect with second antenna branch, the metal patch is fixedly installed on the bottom of the insulating support.
Further, the relative dielectric constant of the insulating support be 7.8~8.2, loss angle tangent be 0.0018~
0.0022。
Further, the shape of the insulating support is undercut shape, and the material of the insulating support is ceramics.
Further, the shape of the first antenna branch is rectangular, and the shape of second antenna branch is strip.
Further, the shape of the metal patch is U-shaped.
Further, the distance between two neighboring described antenna element is equal.
Another technical solution that the utility model uses for：
A kind of handheld device, including the double frequency millimeter wave antenna system for being suitable for 5G communication.
Further, including metal ground plate, medium substrate and pad compatible with the metal patch, the medium
Substrate is fixedly installed on the one side of the metal ground plate, and the pad is fixedly installed on the medium substrate and connects far from metal
The one side on floor, the medium substrate is far from being additionally provided with feed branch, the feed branch on the one side of metal ground plate
Branch connect with third antenna.
Further, the pad is equipped with metallic vias, and the metal patch passes through the metallic vias and the gold
Belong to earth plate electrical connection.
Further, the shape of the pad is U-shaped.
The beneficial effects of the utility model are：First antenna branch at the top of insulating support and it is located at insulating support
Second antenna branch of side can couple the resonance generated at 26GHz, and the second antenna branch is substantially single-stage sub-antenna, can be with
The resonance at 39GHz is generated, two millimeter wave frequency bands in 5G communication system so as to cover China；Pass through metal patch
Antenna element can be welded on the pcb board of relevant device, can directly Surface Mount be used, be easy to integrated with radio-frequency front-end system.
The double frequency millimeter wave antenna system of the utility model is suitable for the handheld devices such as mobile phone, it can be achieved that 5G is communicated, and is easily assembled,
It is easy to use.
Detailed description of the invention
Fig. 1 is the partial structure diagram of the handheld device of the utility model embodiment one；
Fig. 2 is the antenna element suitable for the double frequency millimeter wave antenna system of 5G communication of the utility model embodiment one
Overall structure diagram；
Fig. 3 is the antenna element suitable for the double frequency millimeter wave antenna system of 5G communication of the utility model embodiment one
Configuration schematic diagram；
Fig. 4 be Fig. 1 in double frequency millimeter wave antenna system in antenna element S parameter figure；
Fig. 5 is the antenna element gross efficiency curve varying with frequency in Fig. 1；
Fig. 6 be Fig. 1 in double frequency millimeter wave antenna system at 26GHz in XOZ plane along Theta (- 90 °~90 °)
0 °~50 ° of scan angle of directional diagram on direction；
Fig. 7 be Fig. 1 in double frequency millimeter wave antenna system at 39GHz in XOZ plane along Theta (- 90 °~90 °)
0 °~50 ° of scan angle of directional diagram on direction.
Label declaration：
1, medium substrate；2, metal ground plate；3, antenna element；31, first antenna branch；32, the second antenna branch；
33, third antenna branch；34, insulating support；35, metal patch；4, pad；
41, metallic vias；5, feed branch.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is：First antenna branch is set at the top of insulating support, in insulation branch
The second antenna branch is arranged in the one side of frame, and first antenna branch and the second antenna branch can couple humorous at generation 26GHz
Vibration, the second antenna branch are substantially single-stage sub-antenna, can produce the resonance at 39GHz, lead to so as to cover the 5G of China
Two millimeter wave frequency bands in letter system.
Please refer to Fig. 1 to Fig. 3, a kind of double frequency millimeter wave antenna system suitable for 5G communication, between at least six
Every the antenna element 3 of setting, the antenna element 3 includes first antenna branch 31, the second antenna branch 32, third antenna branch
33, rectangular insulating support 34 and the metal patch 35 for welding, the first antenna branch 31 are fixedly installed on described exhausted
The top of edge bracket 34, second antenna branch 32 are fixedly installed on the one side of the insulating support 34, the third day
Line branch 33 is fixedly installed on the bottom of the insulating support 34 and connect with second antenna branch 32, the metal patch
35 are fixedly installed on the bottom of the insulating support 34.
As can be seen from the above description, the beneficial effects of the utility model are：First antenna point at the top of insulating support
It props up and the second antenna branch positioned at insulating support side can couple the resonance generated at 26GHz, the second antenna branch essence
For single-stage sub-antenna, the resonance at 39GHz can produce, two millimeter waves in 5G communication system so as to cover China
Frequency range；Antenna element can be welded on the pcb board of relevant device by metal patch, can directly Surface Mount use, be easy to and
Radio-frequency front-end system is integrated.First antenna branch, the shape of the second antenna branch, length can according to need and is adjusted, absolutely
The size of edge bracket, which also can according to need, to be configured.First antenna branch, the second antenna branch and third antenna branch can
It is printed on insulating support in a manner of through printing.
Further, the relative dielectric constant of the insulating support 34 be 7.8~8.2, loss angle tangent be 0.0018~
0.0022。
Seen from the above description, insulating support needs to have suitable relative dielectric constant and loss angle tangent, can just make
Antenna system has preferable performance, it is preferred that the relative dielectric constant of insulating support can be 8, and loss angle tangent can be
0.002, as long as meeting relative dielectric constant 8 or so, and loss angle tangent is used equally for making in 0.002 or so insulating materials
Make the insulating support of the utility model.
Further, the shape of the insulating support 34 is undercut shape, and the material of the insulating support 34 is ceramics.
Seen from the above description, the gain and impedance bandwidth that antenna can be improved will be emptied in the middle part of insulating support, promote day
The performance of line.
Further, the shape of the first antenna branch 31 is rectangular, and the shape of second antenna branch 32 is length
Bar shaped.
Further, the shape of the metal patch 35 is U-shaped.
Seen from the above description, the metal patch of U-shaped can be adapted with the insulating support of inverted concave well, after welding
The stability of antenna element is good.
Further, the distance between two neighboring described antenna element 3 is equal.
Seen from the above description, the distance between antenna element is equal, preferably the half wavelength of fixed frequency, institute
State the median that fixed frequency is low-frequency range centre frequency and high band centre frequency.
The utility model relates to another technical solution be：
A kind of handheld device, including the double frequency millimeter wave antenna system for being suitable for 5G communication.
Seen from the above description, handheld device can be mobile phone etc., it can be achieved that 5G is communicated, and is easily assembled, user
Just.
Further, including metal ground plate 2, medium substrate 1 and pad 4 compatible with the metal patch 35, institute
The one side that medium substrate 1 is fixedly installed on the metal ground plate 2 is stated, the pad 4 is fixedly installed on the medium substrate 1
One side far from metal ground plate 2 is additionally provided with feed branch on the one side of the medium substrate 1 far from metal ground plate 2
5, the feed branch 5 is connect with third antenna branch 33.
Seen from the above description, metal patch realizes that the Surface Mount of antenna element uses together with pad solder, feed point
Branch is realized by third antenna branch and the second antenna branch and is electrically connected, while feed branch and medium substrate, metallic ground
The microstrip line that plate also component characteristic impedance is 50 ohm.
Further, the pad 4 is equipped with metallic vias 41, the metal patch 35 by the metallic vias 41 and
The metal ground plate 2 is electrically connected.
Seen from the above description, grounding is carried out to metal patch by metallic vias, can prevents metal patch from influencing
Antenna performance.
Further, the shape of the pad 4 is U-shaped.
Fig. 1 to Fig. 7 is please referred to, the embodiments of the present invention one are：
A kind of handheld device as shown in Figure 1, including medium substrate 1, metal ground plate 2 and the double frequency communicated suitable for 5G
Millimeter wave antenna system, the medium substrate 1 are fixedly installed on the one side of the metal ground plate 2, the double frequency millimeter wave
Antenna system is fixedly installed on the one side of the medium substrate 1 far from metal ground plate 2, and in the present embodiment, the metal is connect
The size on floor 2 is 140mm × 70mm.The double frequency millimeter wave antenna system includes at least six spaced antenna list
Member 3, it is preferred that the number of antenna element 3 is eight, and the distance between two neighboring antenna element 3 is equal, preferably fixed
The half wavelength of frequency, the fixed frequency are the median of low-frequency range centre frequency and high band centre frequency.
As shown in Figures 2 and 3, the antenna element 3 includes first antenna branch 31, the second antenna branch 32, third day
Line branch 33, rectangular insulating support 34 and the metal patch 35 for welding, the first antenna branch 31 are fixedly installed on
The top of the insulating support 34, second antenna branch 32 is fixedly installed on the one side of the insulating support 34, described
Third antenna branch 33 is fixedly installed on the bottom of the insulating support 34 and connect with second antenna branch 32, the gold
Belong to the bottom that patch 35 is fixedly installed on the insulating support 34.The shape of the first antenna branch 31 be it is rectangular, described the
The shape of two antenna branch 32 is strip, and the shape of the metal patch 35 is U-shaped, first antenna branch 31, the second antenna
Branch 32 and third antenna branch 33 are printed on insulating support 34 by way of printing.In the present embodiment, the insulation
The relative dielectric constant of bracket 34 is 7.8~8.2, and loss angle tangent is 0.0018~0.0022, it is preferred that insulating support 34
Relative dielectric constant is 8, loss angle tangent 0.002.Such as ceramic making insulating support 34, the insulating support can be used
34 shape is undercut shape, i.e. the inside of insulating support 34 empties, can according to need the size of setting insulating support 34 with
And the internal percent by volume emptied.
It is additionally provided on the one side of the medium substrate 1 far from metal ground plate 2 compatible with the metal patch 35
The shape of pad 4, the pad 4 is also U-shaped, and the pad 4 is equipped with metallic vias 41, and the metal patch 35 passes through described
Metallic vias 41 and the metal ground plate 2 are electrically connected.On the one side of the medium substrate 1 far from metal ground plate 2 also
Equipped with feed branch 5, the feed branch 5 is connect with third antenna branch 33, while feed branch 5 and medium substrate 1, metal
Earth plate 2 goes back the microstrip line that component characteristic impedance is 50 ohm.
As shown in figure 4, for the S parameter figure of antenna element in the double frequency millimeter wave antenna system of the present embodiment, it can from figure
Know, return loss of the antenna element between 24.75~27.5GHz is better than -10.3dB, the echo between 37~42.5GHz
Loss is better than -9.6dB, the 5G millimeter wave frequency band tentative to China have in good covering and whole bandwidth each antenna element it
Between isolation be better than -12.8dB.In the present embodiment, first antenna branch at the top of insulating support and it is located at insulating support side
Second antenna branch in face can couple the resonance generated at 26GHz, and the second antenna branch is substantially single-stage sub-antenna, can produce
Resonance at raw 39GHz.Therefore, antenna system can be generated by adjusting the size of first antenna branch and the second antenna branch
Resonance frequency be adjusted.
As shown in figure 5, being antenna element gross efficiency curve varying with frequency, since eight antenna elements are about in array
The heart is symmetrical, therefore only lists four antenna elements.It can be seen from the figure that the radiation gross efficiency of each antenna element exists
It is better than 64% in the bandwidth range of 24.75~27.5GHz and 37~42.5GHz.
As shown in Figure 6 and Figure 7, the wave beam that two frequency ranges of 26GHz and 39GHz may be implemented in the antenna system of the present embodiment is swept
Retouch function.
In conclusion a kind of double frequency millimeter wave antenna system suitable for 5G communication provided by the utility model and its hand-held
Equipment, the double frequency millimeter wave antenna system can effectively cover the millimeter wave working frequency range that China is tentative in 5G communication system,
And the compact structure of antenna system can be used with Surface Mount, be easy to integrated with radio-frequency front-end system, be set suitable for mobile phone etc. is hand-held
It is standby.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of double frequency millimeter wave antenna system suitable for 5G communication, including at least six spaced antenna element,
It is characterized in that, the antenna element includes first antenna branch, the second antenna branch, third antenna branch, rectangular insulation
Bracket and metal patch for welding, the first antenna branch are fixedly installed on the top of the insulating support, and described
Two antenna branch are fixedly installed on the one side of the insulating support, and the third antenna branch is fixedly installed on the insulation branch
It the bottom of frame and is connect with second antenna branch, the metal patch is fixedly installed on the bottom of the insulating support.
2. the double frequency millimeter wave antenna system according to claim 1 suitable for 5G communication, which is characterized in that the insulation
The relative dielectric constant of bracket is 7.8~8.2, and loss angle tangent is 0.0018~0.0022.
3. the double frequency millimeter wave antenna system according to claim 2 suitable for 5G communication, which is characterized in that the insulation
The shape of bracket is undercut shape, and the material of the insulating support is ceramics.
4. the double frequency millimeter wave antenna system according to claim 1 suitable for 5G communication, which is characterized in that described first
The shape of antenna branch be it is rectangular, the shape of second antenna branch is strip.
5. the double frequency millimeter wave antenna system according to claim 1 suitable for 5G communication, which is characterized in that the metal
The shape of patch is U-shaped.
6. the double frequency millimeter wave antenna system according to claim 1 suitable for 5G communication, which is characterized in that two neighboring
The distance between the antenna element it is equal.
7. a kind of handheld device, which is characterized in that including the double frequency as claimed in any one of claims 1 to 6 suitable for 5G communication
Millimeter wave antenna system.
8. handheld device according to claim 7, which is characterized in that including metal ground plate, medium substrate and with it is described
The compatible pad of metal patch, the medium substrate are fixedly installed on the one side of the metal ground plate, and the pad is solid
Surely one side of the medium substrate far from metal ground plate, one side of the medium substrate far from metal ground plate are set to
On be additionally provided with feed branch, the feed branch is connect with third antenna branch.
9. handheld device according to claim 8, which is characterized in that the pad is equipped with metallic vias, the metal
Patch is electrically connected by the metallic vias and the metal ground plate.
10. handheld device according to claim 8, which is characterized in that the shape of the pad is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564661.0U CN208157617U (en) | 2018-04-18 | 2018-04-18 | Double frequency millimeter wave antenna system and its handheld device suitable for 5G communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564661.0U CN208157617U (en) | 2018-04-18 | 2018-04-18 | Double frequency millimeter wave antenna system and its handheld device suitable for 5G communication |
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| Publication Number | Publication Date |
|---|---|
| CN208157617U true CN208157617U (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820564661.0U Active CN208157617U (en) | 2018-04-18 | 2018-04-18 | Double frequency millimeter wave antenna system and its handheld device suitable for 5G communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539395A (en) * | 2018-04-18 | 2018-09-14 | 深圳市信维通信股份有限公司 | Double frequency millimeter wave antenna system and its handheld device suitable for 5G communications |
-
2018
- 2018-04-18 CN CN201820564661.0U patent/CN208157617U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539395A (en) * | 2018-04-18 | 2018-09-14 | 深圳市信维通信股份有限公司 | Double frequency millimeter wave antenna system and its handheld device suitable for 5G communications |
| CN108539395B (en) * | 2018-04-18 | 2023-10-13 | 深圳市信维通信股份有限公司 | Dual-frenquency millimeter wave antenna system suitable for 5G communication and handheld device thereof |
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