CN205609757U - Antenna device and electronic equipment - Google Patents
Antenna device and electronic equipment Download PDFInfo
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- CN205609757U CN205609757U CN201620167992.1U CN201620167992U CN205609757U CN 205609757 U CN205609757 U CN 205609757U CN 201620167992 U CN201620167992 U CN 201620167992U CN 205609757 U CN205609757 U CN 205609757U
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- upper strata
- antenna assembly
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Abstract
The utility model discloses an antenna device and electronic equipment. This antenna device includes: the upper strata antenna, with lower floor's antenna, wherein, upper antenna is located the top of lower floor's antenna, and lower floor's antenna is slot antenna to and not cracking in upper antenna and the lower floor's antenna regional relative and with the regional reflection floor as upper antenna of not cracking. Compared with the prior art, according to the utility model discloses a double -deck antenna structure can realize better antenna characteristic. The utility model discloses an usage is the electronic equipment who is used for radio communication.
Description
Technical field
This utility model relates to antenna technology, more particularly, to a kind of antenna assembly and electronic equipment.
Background technology
Along with developing rapidly of wireless communication technology, antenna technology also develops by leaps and bounds.Currently, increasing equipment needs to support multiple frequency range, such as, GPS (global positioning system) frequency range, ETC (E-payment system) frequency range etc..
In order to support multiple frequency range, can in an electronic equipment integrated multiple antenna assemblies.But, these antenna device may interfere.Such as, owing to micro-strip paster antenna can realize various polarization mode relatively easily, it is widely used in circular polarized antenna design.But, when using double-deck micro-strip paster antenna to realize double frequency round polarized antenna, the radiation of upper strata micro-strip paster antenna can be affected by by the radiation of lower floor's micro-strip paster antenna.Additionally, for double-deck micro-strip paster antenna, the realization of the earthing mode of two antennas also becomes a new technical problem in this area.
In the prior art, slot antenna is the antenna formed by producing gap on conducting plane.In slot antenna, typical seam shape can be strip.By encouraging radio frequency electromagnetic field on gap, and to space radiation electromagnetic wave；Or receive electromagnetic wave by slot antenna.
Accordingly, it would be desirable to prior art is improved, to solve at least one technical problem of the prior art.
Utility model content
A purpose of the present utility model is to provide a kind of new solution for antenna assembly.
According to first aspect of the present utility model, it is provided that a kind of antenna assembly, including: upper strata antenna；With lower floor's antenna, wherein, upper strata antenna is positioned at the top of lower floor's antenna, and lower floor's antenna is slot antenna, and upper strata antenna is relative with the non-stitched open region in lower floor antenna and using described non-stitched open region as the reflection floor of upper strata antenna.
Preferably, described antenna assembly also includes: reflection floor, wherein, this reflection floor is positioned at the lower section of lower floor's antenna.
Preferably, described antenna assembly also includes: first medium substrate, second medium substrate and the 3rd medium substrate, and wherein, upper strata antenna is positioned on first medium substrate, and lower floor's antenna is positioned on second medium substrate, and reflection floor is positioned on the 3rd medium substrate.
Preferably, described antenna assembly also includes: feeding network, this feeding network includes the first branch and the second branch, first branch and the second branch are connected with the first distributing point and second distributing point of lower floor antenna respectively, and the length of the first branch and the second branch makes the electric feed signal at the first distributing point and the second distributing point produce phase quadrature.
Preferably, lower floor's antenna includes the first gap as the first radiating element, the second gap as the second radiating element, the 3rd gap as parasitic element and the 4th gap as parasitic element, and first distributing point close to the first gap, the second distributing point is close to the second gap.
Preferably, the shape in first, second, third, fourth gap is identical, and they are sized according to foursquare four limits.
Preferably, first, second, third, fourth gap is " U "-shaped, bottom the " u "-shaped in the first, the 3rd gap relatively, and bottom the " u "-shaped in the second, the 4th gap relatively.
Preferably, upper strata antenna is micro-strip paster antenna.
Preferably, upper strata antenna is ETC antenna, and lower floor's antenna is gps antenna.
According to second aspect of the present utility model, it is provided that a kind of electronic equipment, including according to antenna assembly of the present utility model.
Compared with prior art, preferable antenna performance can be realized according to dual-layer atenna structure of the present utility model.
By detailed description to exemplary embodiment of the present utility model referring to the drawings, further feature of the present utility model and advantage thereof will be made apparent from.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part that constitutes description shows embodiment of the present utility model, and be used for explaining principle of the present utility model together with its explanation.
Fig. 1 is the top view of the antenna assembly according to an embodiment of the present utility model.
Fig. 2 is the side view of the antenna assembly according to an embodiment of the present utility model.
Fig. 3 is the schematic diagram of the feeder line in the antenna assembly according to an embodiment of the present utility model.
Fig. 4 is the example graph of the S11 characteristic of the lower floor's antenna in the antenna assembly according to an embodiment of the present utility model.
Fig. 5 is the example graph of the S11 characteristic of the upper strata antenna in the antenna assembly according to an embodiment of the present utility model.
Fig. 6 is the example graph of the antenna axial ratio of the lower floor's antenna in the antenna assembly according to an embodiment of the present utility model.
Fig. 7 is the example graph of the antenna axial ratio of the upper strata antenna in the antenna assembly according to an embodiment of the present utility model.
Fig. 8 is the example graph of the antenna gain of the lower floor's antenna in the antenna assembly according to an embodiment of the present utility model.
Fig. 9 is the example graph of the antenna gain of the upper strata antenna in the antenna assembly according to an embodiment of the present utility model.
Figure 10 is the schematic diagram of the antenna current distribution of the lower floor's antenna in the antenna assembly according to an embodiment of the present utility model.
Figure 11 is the schematic diagram of the antenna current distribution of the upper strata antenna in the antenna assembly according to an embodiment of the present utility model.
Detailed description of the invention
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should also be noted that unless specifically stated otherwise, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value are not intended to scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never as to this utility model and application thereof or any restriction of use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but in the appropriate case, described technology, method and apparatus should be considered a part for description.
In shown here and all examples of discussing, any occurrence should be construed as merely exemplary rather than as limiting.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, therefore, the most a certain Xiang Yi accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
Below, it is described with reference to according to each embodiment of the present utility model and example.
Fig. 1 is the top view of the antenna assembly according to an embodiment of the present utility model.Fig. 2 is the side view of described antenna assembly.
As depicted in figs. 1 and 2, antenna assembly includes: upper strata antenna 1 and lower floor's antenna 3.Upper strata antenna 1 is positioned at the top of lower floor's antenna 3.It will be appreciated by those skilled in the art that " top " here refers to the relative position of upper strata antenna and lower floor's antenna when antenna assembly horizontal positioned.Using this term is the needs in order to be described in the description, when actually used, can place described antenna assembly with any attitude as required.Lower floor's antenna 3 is slot antenna.Upper strata antenna 1 is relative with the non-stitched open region in lower floor antenna 3 and using described non-stitched open region as the reflection floor of upper strata antenna.
In this embodiment, lower floor's antenna 3 is slot antenna, and it can provide bigger conductor area.Therefore, lower floor's antenna 3 both radiant bodies as antenna use, again as the floor of upper strata antenna 1.This antenna structure can solve how to realize the technical problem on the reference ground of dual-layer atenna well.
Additionally, compared with prior art, this dual-layer atenna structure can realize preferable antenna performance.
Additionally, compared with prior art, between upper strata antenna and the lower floor's antenna in described antenna assembly, there is preferable isolation.
Upper strata antenna 1 can be the antenna of any appropriate, such as, dipole antenna, helical antenna etc..Preferably, as it is shown in figure 1, upper strata antenna 1 is micro-strip paster antenna.Such as, micro-strip paster antenna 1 can be the conductor piece processed through corner cut, to produce circularly polarised wave.The resonant frequency of described upper strata antenna can be regulated by the size adjusting conductor piece.Its circular polarization characteristics can be regulated by the size adjusting the corner cut of micro-strip paster antenna.The dual-layer atenna realized in this way can have preferable double frequency round polarized characteristic.Additionally, this antenna assembly can realize higher gain characteristic.In FIG, coaxial line fed to upper strata antenna 1 by distributing point 11 via lower floor's antenna 3.
As in figure 2 it is shown, antenna assembly also includes reflecting floor 5.This reflection floor 5 is positioned at the lower section of lower floor's antenna.By using reflection floor 5, so that the radiation of antenna assembly (especially lower floor's antenna 3) has preferable directivity.
As in figure 2 it is shown, antenna assembly also includes first medium substrate 2, second medium substrate 4 and the 3rd medium substrate 6.Upper strata antenna 1 is positioned on first medium substrate 2.Lower floor's antenna 3 is positioned on second medium substrate 4.Reflection floor 5 is positioned on the 3rd medium substrate 6.By using medium substrate, the dielectric constant of antenna substrate can be increased, thus reduce the size of antenna.
Such as, in this present embodiment use medium substrate be dielectric constant be the ceramic material of 20.In addition it is also possible to use the medium substrate of FR4 material etc. as required.
As in figure 2 it is shown, antenna assembly also includes feeding network 40.Feeding network 40 is positioned at the back side of the 3rd medium substrate 6.Fig. 3 shows the schematic diagram of this feeding network.As it is shown on figure 3, this feeding network 40 includes the first branch 43 and the second branch 44.As it is shown in figure 1, the first branch 43 and the second branch 44 are connected with the first distributing point 36 and second distributing point 35 of lower floor antenna respectively.The end points 41 of the first branch 43 is connected to the first distributing point 36 by probe, and the end points 42 of the second branch 44 is connected to the first distributing point 35 by probe.Such as, and the length of the first branch 43 and the second branch 44 makes the electric feed signal at the first distributing point 36 and the second distributing point 35 produce phase quadrature.
This feeding network has simple structure, reduces the design difficulty of feeding network.
Additionally, by the electric feed signal using phase quadrature so that antenna is more prone to circular polarisation frequency spectrum.
As it is shown in figure 1, lower floor's antenna 3 includes the first gap 31 as the first radiating element, the second gap 32, the 3rd gap 33 as parasitic element and the 4th gap 34 as parasitic element as the second radiating element.First distributing point 36 is close to the first gap 31, and the second distributing point 35 is close to the second gap 32.The resonant frequency of slot antenna 3 can be regulated by the length and width regulating described gap.
In this embodiment, use the 3rd gap 33 as parasitic element and the 4th gap 34 as parasitic element, thus improve antenna gain and reduce antenna axial ratio.
Such as, as it is shown in figure 1, the shape in first, second, third, fourth gap 31,32,33,34 is identical, and they are sized according to foursquare four limits.In FIG, first, second, third, fourth gap 31,32,33,34 is " U "-shaped.Bottom the " u "-shaped in the first, the 3rd gap 31,33 relatively, and bottom the " u "-shaped in the second, the 4th gap 32,34 relatively.
In one embodiment, upper strata antenna 1 is ETC antenna, and lower floor's antenna 3 is gps antenna.The resonant frequency of gps antenna 3 is 1.575GHz frequency range.The resonant frequency of ETC antenna is in the range of 5.775GHz-5.845GHz.
Can will include in the electronic device according to antenna assembly of the present utility model (such as there is the antenna assembly of the structure shown in Fig. 1-3), thus realize preferable radio communication characteristics.Described electronic equipment can be such as mobile phone, be integrated with the vehicle-mounted GPS equipment etc. of E-payment system.
Fig. 4-11 shows the schematic diagram of each characteristic of manufactured by embodiment antenna assembly with reference to Fig. 1-3.In described antenna assembly, upper strata antenna is ETC antenna, and lower floor's antenna is gps antenna.
Fig. 4 is the example graph of the S11 characteristic of the lower floor's antenna in described antenna assembly.Fig. 5 is the example graph of the S11 characteristic of the upper strata antenna in described antenna assembly.It can be seen that this antenna assembly achieves preferable dual frequency characteristics from Fig. 4 and Fig. 5.
Fig. 6 is the example graph of the antenna axial ratio of the lower floor's antenna in described antenna assembly.Fig. 7 is the example graph of the antenna axial ratio of the upper strata antenna in described antenna assembly.It can be seen from figures 6 and 7 that this antenna assembly achieves preferable circular polarization characteristics, such as, θ=0 °, during Φ=0 °, antenna axial ratio can be less than 3dB.
Fig. 8 is the example graph of the antenna gain of the lower floor's antenna in described antenna assembly.Fig. 9 is the example graph of the antenna gain of the upper strata antenna in described antenna assembly.It can be seen that this antenna assembly achieves preferable directionality from Fig. 8 and Fig. 9.Such as, gps antenna can reach 8.4dB in the maximum gain of radiation direction (Z-direction), and ETC antenna can reach 10dB in the maximum gain of radiation direction (Z-direction).
Figure 10 is the schematic diagram of the antenna current distribution of the lower floor's antenna in described antenna assembly.Figure 11 is the schematic diagram of the antenna current distribution of the upper strata antenna in described antenna assembly.ETC antenna is radiated by microband paste 1, and gps antenna is then to be radiated by gap 31,32,33 and 34.As shown in Figure 10, U-shaped gap 31,32,33 is the most relative with the turning of 34, stronger in the distribution of described gap end current.Therefore, by using the gap of this U-shaped can be easier to adjust the radiation characteristic of antenna and/or obtain preferable antenna performance.
Although being described in detail specific embodiments more of the present utility model by example, but it should be appreciated by those skilled in the art, example above is merely to illustrate rather than in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, in the case of without departing from scope and spirit of the present utility model, above example can be modified.Scope of the present utility model is defined by the following claims.
Claims (10)
1. an antenna assembly, including:
Upper strata antenna (1)；With
Lower floor's antenna (3),
Wherein, upper strata antenna is positioned at the top of lower floor's antenna, and lower floor's antenna is slot antenna, Yi Jishang
Layer antenna is relative with the non-stitched open region in lower floor antenna and using described non-stitched open region as upper strata antenna
Reflection floor.
Antenna assembly the most according to claim 1, also includes: reflection floor (5), wherein,
This reflection floor is positioned at the lower section of lower floor's antenna.
Antenna assembly the most according to claim 2, also includes: first medium substrate (2),
Second medium substrate (4) and the 3rd medium substrate (6), wherein, upper strata antenna is positioned at first medium
On substrate, lower floor's antenna is positioned on second medium substrate, and reflection floor is positioned at the 3rd medium substrate
On.
Antenna assembly the most according to claim 1, also includes: feeding network (40), should
Feeding network includes that the first branch (43) and the second branch (44), the first branch and the second branch divide
Not it is not connected with the first distributing point (36) and second distributing point (35) of lower floor antenna, and first point
Prop up and the length of the second branch makes the electric feed signal at the first distributing point and the second distributing point produce 90 °
Difference.
Antenna assembly the most according to claim 4, wherein, lower floor's antenna includes as first
First gap (31) of radiating element, the second gap (32) as the second radiating element, conduct
3rd gap (33) of parasitic element and the 4th gap (34) as parasitic element, and first
Distributing point is close to the first gap, and the second distributing point is close to the second gap.
Antenna assembly the most according to claim 5, wherein, first, second, third,
The shape in four gaps is identical, and they are sized according to foursquare four limits.
Antenna assembly the most according to claim 6, wherein, first, second, third,
Four gaps are " U "-shaped, bottom the " u "-shaped in the first, the 3rd gap relatively, and the second, the 4th
Bottom the " u "-shaped in gap relatively.
Antenna assembly the most according to claim 1, wherein, upper strata antenna is microband paste sky
Line.
Antenna assembly the most according to claim 1, wherein, upper strata antenna is ETC antenna,
And lower floor's antenna is gps antenna.
10. an electronic equipment, including antenna assembly according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620167992.1U CN205609757U (en) | 2016-03-04 | 2016-03-04 | Antenna device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620167992.1U CN205609757U (en) | 2016-03-04 | 2016-03-04 | Antenna device and electronic equipment |
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| Publication Number | Publication Date |
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| CN205609757U true CN205609757U (en) | 2016-09-28 |
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| CN201620167992.1U Active CN205609757U (en) | 2016-03-04 | 2016-03-04 | Antenna device and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633586A (en) * | 2016-03-04 | 2016-06-01 | 歌尔声学股份有限公司 | Antenna device and electronic device |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633586A (en) * | 2016-03-04 | 2016-06-01 | 歌尔声学股份有限公司 | Antenna device and electronic device |
| CN105633586B (en) * | 2016-03-04 | 2019-02-26 | 歌尔股份有限公司 | Antenna assembly and electronic equipment |
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