CN208622945U - A kind of antenna assembly - Google Patents
A kind of antenna assembly Download PDFInfo
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- CN208622945U CN208622945U CN201821120775.2U CN201821120775U CN208622945U CN 208622945 U CN208622945 U CN 208622945U CN 201821120775 U CN201821120775 U CN 201821120775U CN 208622945 U CN208622945 U CN 208622945U
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- antenna
- metal
- assembly according
- branch
- isolation channel
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Abstract
The utility model discloses a kind of antenna assembly, including first antenna, the second antenna, metal and isolation channel；The first antenna and the second antenna are disposed adjacent；The left side on the metal ground is arranged in the first antenna, and with connecting the metal through the first grounding point；The right side on the metal ground is arranged in second antenna, and with connecting the metal through the second grounding point；The isolation channel is provided with the metal between the first antenna and the second antenna on the ground.A kind of antenna assembly provided by the embodiment of the utility model, by opening up isolation channel on the ground in metal, the isolation between short distance antenna can be greatly promoted, not only solve the problem of wireless signal received and dispatched between the antenna two-by-two of short distance interferes with each other, the communication quality of each antenna is also improved, is had great significance for the Miniaturization Design of mobile terminal device.
Description
Technical field
The utility model embodiment is related to wireless communication technology field more particularly to a kind of antenna assembly.
Background technique
With the development of science and technology, people have increasingly higher demands to the wireless transmission speed of electronic product.Channel radio
The quantity for interrogating speed and antenna is proportional, in recent years, double antenna, triantennary even array antenna structure are answered extensively
For mobile terminal device.However, mobile terminal device miniaturization is another trend of new era.Miniaturization structure and more
Antenna mode is conflicting.Multiple antennas is intended to bigger space and leaves radio frequency system for.
Isolation refers to the degree interfered with each other between antenna two-by-two, and the energy of one of aerial radiation is by another
Antenna coupling is unable to Net long wave radiation and goes out.It is well known that just will appear isolation when the distance between two antennas are close and ask
Topic, to substantially reduce radiation efficiency.So it is mobile at this stage whole for how realizing that more compact mutiple antennas design becomes
Hold a difficult point of product.
Traditional mutiple antennas design the distance between antenna will usually be controlled in required 1/2 wavelength of center frequency point two-by-two
More than.For example, the wifi antenna of common 2.4G frequency range needs to ensure the transmission of maximum rate by two antennas
The distance between be arranged in 62.5cm or more, be closely to be arranged between antenna two-by-two, very and in many Miniaturization Designs
It is difficult to guarantee so big space.
Utility model content
The utility model provides a kind of antenna assembly, the wireless signal received and dispatched between the antenna two-by-two to solve short distance
The problem of interfering with each other improves the communication quality of each antenna.
To achieve the above objectives, the present invention provides the following technical solutions:
A kind of antenna assembly, including first antenna, the second antenna, metal and isolation channel；
The first antenna and the second antenna are disposed adjacent；
The left side on the metal ground is arranged in the first antenna, and with connecting the metal through the first grounding point；
The right side on the metal ground is arranged in second antenna, and with connecting the metal through the second grounding point；
The isolation channel is provided with the metal between the first antenna and the second antenna on the ground.
Further, the antenna assembly further includes the first feeding point and the second feeding point；
The first antenna and the second antenna are fed from first feeding point and the second feeding point respectively.
Further, the antenna assembly further includes substrate plate；
The first antenna, the second antenna, the first grounding point and the second grounding point are separately positioned on the substrate plate.
Further, in the antenna assembly, the substrate plate is glass-epoxy plate.
Further, in the antenna assembly, the first antenna and the second antenna are wifi dual-band antenna.
Further, in the antenna assembly, the area on the metal ground is greater than the area of the substrate plate.
Further, in the antenna assembly, the edge spacing of the first antenna and the second antenna is 3.5mm, described
First antenna and the center spacing of the second antenna are 26mm.
Further, in the antenna assembly, the shape of the isolation channel is scholar's font.
Further, in the antenna assembly, the isolation channel of scholar's font includes upper and lower two transverse directions disposed in parallel
Branch and a vertical branch, the vertical branch are located at the middle part of two transverse branch, one end of the vertical branch
Connection is distal to the middle part of the transverse branch for being provided with the first antenna and the second antenna on the metal ground, the vertical branch
The other end transverse branch that is located above of connection and continue to extend and be connected to being provided with described first day for the metal ground
One lateral margin of line and the second antenna.
Further, in the antenna assembly, the transverse direction that the other end connection of the vertical branch is located above is divided
The lateral margin formation opening for being provided with the first antenna and the second antenna for being connected to the metal ground is propped up and continues to extend, it is described
Opening is between the first antenna and the second antenna.
A kind of antenna assembly provided by the embodiment of the utility model can be significantly by opening up isolation channel on the ground in metal
The isolation between short distance antenna is promoted, it is mutual to not only solve the wireless signal received and dispatched between the antenna two-by-two of short distance
The problem of interference, also improves the communication quality of each antenna, has for the Miniaturization Design of mobile terminal device important
Meaning.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structural schematic diagram for antenna assembly that the utility model embodiment one provides；
Fig. 2 is the experimental analysis figure for the first transverse branch L1 that the utility model embodiment one provides；
Fig. 3 is the experimental analysis figure for the second transverse branch L2 that the utility model embodiment one provides；
Fig. 4 be the utility model embodiment one provide it is no in metal open up scholar's font isolation channel to antenna spacing from
Spend the comparison diagram influenced.
Appended drawing reference:
First antenna 10, the second antenna 20, metal 30, isolation channel 40, the first grounding point 50, the second grounding point 60, base
Bottom plate 70, the first feeding point 80, the second feeding point 90.
Specific embodiment
It is practical below in conjunction with this to enable the purpose of this utility model, feature, advantage more obvious and understandable
Attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that under
The described embodiments are only a part of the embodiments of the utility model in face, and not all embodiment.Based on the utility model
In embodiment, all other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that when a component is considered as " connection " another component,
It can be directly to another component or may be simultaneously present the component being centrally located.When a component is considered as
" setting exists " another component, it, which can be, is set up directly on another component or may be simultaneously present the group being centrally located
Part.
In addition, the indicating positions such as term " length " " short " "inner" "outside" or positional relationship for the orientation that is shown based on attached drawing or
Person's positional relationship is merely for convenience of description the utility model, rather than the device or original part of indication or suggestion meaning must have
There is this specific orientation, operated with specific orientation construction, should not be understood as the limitation of the utility model with this.
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
Embodiment one
As shown in Figure 1, the utility model embodiment provides antenna assembly, it, can by opening up isolation channel on the ground in metal
The isolation between short distance antenna is greatly promoted, the wireless signal received and dispatched between the antenna two-by-two for solving short distance is mutual
The problem of interference.
The antenna assembly, including first antenna 10, the second antenna 20, metal 30 and isolation channel 40；
The first antenna 10 and the second antenna 20 are disposed adjacent；
The left side of the first antenna 10 metal is set 30, and the metal is connected through the first grounding point 50
Ground 30；
The right side of second antenna 20 metal is set 30, and the metal is connected through the second grounding point 60
Ground 30；
The isolation channel 40 is with being provided with the metal between the first antenna 10 and the second antenna 20 on 30.
Wherein, metal on 30, definition be provided with first antenna 10 and the second antenna 20 side be it is upper, far from first day
Under the side of line 10 and the second antenna 20 is.
The first antenna 10 and the second antenna 20 are connected through first grounding point 50 and the second grounding point 60 respectively
The metal 30 when, particular by microstrip line minor matters with being directly connected to metal 30 below the left side of each antenna.
In the present embodiment, the edge spacing of two antennas is 3.5mm, and the center spacing of two antennas is 26mm；Two
It 30 is antenna and metal copper foil material.
Preferably, the antenna assembly further includes the first feeding point 80 and the second feeding point 90；
The first antenna 10 and the second antenna 20 are presented from first feeding point 80 and the second feeding point 90 respectively
Electricity.
Preferably, the antenna assembly further includes substrate plate 70；
The first antenna 10, the second antenna 20, the first grounding point 50 and the second grounding point 60 are separately positioned on the base
On bottom plate 70.
Preferably, the substrate plate 70 is glass-epoxy plate.
In the present embodiment, the dielectric constant of the glass-epoxy plate is 4.4, loss angle tangent 0.02.
In one embodiment, it is preferred that the shape of the isolation channel 40 is scholar's font.The isolation channel of scholar's font
40 include upper and lower two transverse branch disposed in parallel and a vertical branch.
The vertical branch is located at the middle part of two transverse branch, and one end connection of the vertical branch is distal to described
Metal 30 transverse branch for being provided with the first antenna 10 and the second antenna 20 middle part, the vertical branch it is another
The end transverse branch that is located above of connection simultaneously continues to extend and 30 is provided with the first antenna 10 with being connected to the metal
With a lateral margin of the second antenna 20.
Specifically, the other end of the vertical branch is connected to the transverse branch being located above and continues to extend connection institute
With stating metal 30 lateral margin formation opening for being provided with the first antenna 10 and the second antenna 20, the opening is located at described
Between first antenna 10 and the second antenna 20.
The present embodiment controls two by adjusting the length variation of two transverse branch (L1, L2) of scholar's font isolation channel 40
The frequency of isolation maximum frequency point between antenna.
Fig. 2-Fig. 3 is please referred to, the first transverse branch L1 and the second transverse branch L2 of scholar's font isolation channel 40 are adjusted separately
Length the maximum frequency point of isolation between antennas can be impacted, when transverse branch length increase when, maximum isolation degree frequency point
To low frequency offset.The frequency point ranges of maximum isolation degree can be adjusted flexibly in scholar's font isolation channel 40 provided in this embodiment.
Preferably, the first antenna 10 and the second antenna 20 are wifi dual-band antenna.
In the present embodiment, the frequency range that the wifi dual-band antenna uses be two frequency ranges of 2.5GHz and 5GHz, also it is positive because
This, needs to allow two antennas to have enough between the frequency 2.4GHz-2.4835GHz and 5.15GHz-5.85GHz that wifi works
High isolation reduces the interference between two antennas.
Preferably, the metal 30 area be greater than the substrate plate 70 area.
In the present embodiment, the size of the substrate plate 70 is 10mm*50mm*1mm, and the planar dimension on metal ground
20mm*60mm。
In order to more intuitively illustrate in metal to open up on 30 scholar's font isolation channel 40 for promoting short distance antenna spacing
Validity from degree, referring to FIG. 4, opening up scholar's font isolation channel 40 in metal 30 and in metal not doing any open on 30
Isolation for slot, in the case of two kinds of comparison between two antennas.By Fig. 4 it can be found that the design of scholar's font isolation channel 40
Two wifi dual-band antennas are effectively increased in the isolation of 2.4G and 5G frequency range.Specifically, wifi dual-band antenna exists
The s12 isolation of 2.4GHz is -27dB, is -35dB, isolation superior performance in the s12 isolation of 5GHz.
It should be noted that provided by the embodiment of the utility model by opening up scholar's font isolation channel 40 in metal 30
The scheme for promoting isolation between antennas, is applicable not only to dual-antenna system, similarly suitable for triantennary or multiaerial system
With.It is applicable not only to wifi system frequency band simultaneously, the antenna case of other frequency ranges is equally applicable.
A kind of antenna assembly provided by the embodiment of the utility model can be significantly by opening up isolation channel on the ground in metal
The isolation between short distance antenna is promoted, it is mutual to not only solve the wireless signal received and dispatched between the antenna two-by-two of short distance
The problem of interference, also improves the communication quality of each antenna, has for the Miniaturization Design of mobile terminal device important
Meaning.
The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of antenna assembly, which is characterized in that including first antenna, the second antenna, metal and isolation channel；
The first antenna and the second antenna are disposed adjacent；
The left side on the metal ground is arranged in the first antenna, and with connecting the metal through the first grounding point；
The right side on the metal ground is arranged in second antenna, and with connecting the metal through the second grounding point；
The isolation channel is provided with the metal between the first antenna and the second antenna on the ground.
2. antenna assembly according to claim 1, which is characterized in that further include the first feeding point and the second feeding point；
The first antenna and the second antenna are fed from first feeding point and the second feeding point respectively.
3. antenna assembly according to claim 1, which is characterized in that further include substrate plate；
The first antenna, the second antenna, the first grounding point and the second grounding point are separately positioned on the substrate plate.
4. antenna assembly according to claim 3, which is characterized in that the area on the metal ground is greater than the substrate plate
Area.
5. antenna assembly according to claim 3, which is characterized in that the substrate plate is glass-epoxy plate.
6. antenna assembly according to claim 1, which is characterized in that the first antenna and the second antenna are wifi bis-
Frequency antenna.
7. antenna assembly according to claim 1, which is characterized in that the edge spacing of the first antenna and the second antenna
For 3.5mm, the center spacing of the first antenna and the second antenna is 26mm.
8. antenna assembly according to claim 1, which is characterized in that the shape of the isolation channel is scholar's font.
9. antenna assembly according to claim 8, which is characterized in that the isolation channel of scholar's font includes setting in parallel up and down
Two transverse branch set and a vertical branch, the vertical branch is located at the middle part of two transverse branch, described perpendicular
The middle part of underlying transverse branch is connected to one end of branch, the other end of the vertical branch is connected to the institute being located above
It states transverse branch and continues to extend the lateral margin for being provided with the first antenna and the second antenna for being connected to the metal ground.
10. antenna assembly according to claim 9, which is characterized in that the other end connection of the vertical branch is located at upper
The transverse branch of side simultaneously continues to extend the side for being provided with the first antenna and the second antenna for being connected to the metal ground
Edge forms opening, and the opening is between the first antenna and the second antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821120775.2U CN208622945U (en) | 2018-07-13 | 2018-07-13 | A kind of antenna assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821120775.2U CN208622945U (en) | 2018-07-13 | 2018-07-13 | A kind of antenna assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208622945U true CN208622945U (en) | 2019-03-19 |
Family
ID=65705630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821120775.2U Active CN208622945U (en) | 2018-07-13 | 2018-07-13 | A kind of antenna assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208622945U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421208A (en) * | 2020-11-09 | 2021-02-26 | 青岛海信移动通信技术股份有限公司 | Electronic equipment and antenna device |
| CN113594685A (en) * | 2020-04-30 | 2021-11-02 | 北京小米移动软件有限公司 | Multilayer circuit board of mobile terminal and terminal equipment |
| CN114175398A (en) * | 2019-07-03 | 2022-03-11 | 华为技术有限公司 | Self-decoupling compact cavity antenna |
-
2018
- 2018-07-13 CN CN201821120775.2U patent/CN208622945U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114175398A (en) * | 2019-07-03 | 2022-03-11 | 华为技术有限公司 | Self-decoupling compact cavity antenna |
| US11955712B2 (en) | 2019-07-03 | 2024-04-09 | Huawei Technologies Co., Ltd. | Self-decoupled compact cavity antenna |
| CN114175398B (en) * | 2019-07-03 | 2024-04-12 | 华为技术有限公司 | Self-decoupling compact cavity antenna |
| CN113594685A (en) * | 2020-04-30 | 2021-11-02 | 北京小米移动软件有限公司 | Multilayer circuit board of mobile terminal and terminal equipment |
| CN113594685B (en) * | 2020-04-30 | 2023-09-26 | 北京小米移动软件有限公司 | Multilayer circuit board of mobile terminal and terminal equipment |
| CN112421208A (en) * | 2020-11-09 | 2021-02-26 | 青岛海信移动通信技术股份有限公司 | Electronic equipment and antenna device |
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