CN205944408U - Antenna - Google Patents
Antenna Download PDFInfo
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- CN205944408U CN205944408U CN201620707991.1U CN201620707991U CN205944408U CN 205944408 U CN205944408 U CN 205944408U CN 201620707991 U CN201620707991 U CN 201620707991U CN 205944408 U CN205944408 U CN 205944408U
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Abstract
The utility model discloses an antenna, including feed network layer, radiating layer to and be located the parasitic layer between feed network layer and the radiating layer, the feed network layer includes to walk that line knot constructs and a plurality of metal point, be provided with first radiation fin on the radiating layer, first radiation fin with walk line knot and construct and to be connected through the feeder pillar electricity, first radiation fin is connected through the first electrical pillar of leading is electric with the first metal point in a plurality of metal points, parasitic layer is led electrical pillar with the second metal point in a plurality of metal points through the second and is connected, walk line knot and construct for the wave, be provided with the opening on the first radiation fin. The utility model discloses an antenna has the characteristics of the low section in high broadband.
Description
Technical field
The utility model is related to communication technical field, particularly to a kind of antenna.
Background technology
Antenna is the main element realizing communication, needs the antenna using different characteristic for different frequency range.For example, for
For the mobile communication frequency band GSM 900 of frequency relatively low (698-960MHz), according to half-wave dipole formula antenna, its size is relatively
Larger, limit its range；According to micro-strip half wave patch formula antenna, equally exist larger-size problem；According to
Size less PIFA antenna, then occur its narrower bandwidth it is impossible to cover the problem of all frequency ranges of GSM 900.
Utility model content
The purpose of this utility model is to provide a kind of antenna, and narrower with the beamwidth of antenna that solves prior art, size is relatively
Big problem.
For solving the above problems, the utility model proposes a kind of antenna, including：Transmission network network layers, radiating layer, and be located at
Parasitic layer between described transmission network network layers and described radiating layer；Described transmission network network layers include Wiring structure and multiple metal
Point；First radiation fin is provided with described radiating layer；Described first radiation fin is electrically connected by feeder pillar with described Wiring structure,
Described first radiation fin is electrically connected by the first conductive pole with the first metal dots in the plurality of metal dots；Described parasitism layer with
The second metal dots in the plurality of metal dots are passed through the second conductive pole and are connected；Described Wiring structure is waveform, described first
Opening is provided with radiation fin.
Wherein, described opening includes U-lag and/or L-shaped groove.
Wherein, described radiating layer is further provided with the second radiation fin, described radiating layer is further provided with second
Radiation fin, described second radiation fin is connected by the 3rd conductive pole with the 3rd metal dots in the plurality of metal dots.
Wherein, described first radiation fin is provided with corner cut structure.
Wherein, it is provided with insulated support between described parasitism layer and described transmission network network layers.
Wherein, described transmission network network layers are arranged on the metal level of ground connection, and the plurality of metal dots connect described metal level.
Wherein, described transmission network network layers with described parasitism layer spacing be 0.063 λ g～0.077 λ g, described parasitism layer with
The spacing of described radiating layer is 0.019 λ g～0.023 λ g, and described λ g is antenna wavelength.
Wherein, the length of described parasitism layer is 0.275 λ g～0.335 λ g, and width is 0.088 λ g～0.106 λ g, described λ g
For antenna wavelength.
Wherein, described feeder pillar and the spacing of the described first short-circuit post are 0.026 λ g～0.030 λ g, and described λ g is antenna
Wavelength.
Wherein, described feeder pillar is cylinder, and a diameter of 0.014 λ g～0.016 λ g of described feeder pillar, described λ g are antenna
Wavelength.
The utility model antenna includes transmission network network layers, radiating layer, and is located between transmission network network layers and radiating layer
Parasitic layer；Transmission network network layers include being provided with the cabling area of Wiring structure and non-cabling area, and radiating layer is provided with the first radiation
Piece；First radiation fin is connected by feeder pillar with Wiring structure, and the first radiation fin is connected by the first short-circuit post with non-cabling area；
Parasitic floor is connected by conductive pole with non-cabling area；Wiring structure is waveform, and the first radiation fin is provided with opening.By posting
The design of the setting of generating layer, the design of waveform cabling and radiation fin upper shed is so that the utility model antenna has high width
Feature with low section.
Brief description
Fig. 1 is the three dimensional structure diagram of the utility model antenna one embodiment；
Fig. 2 is the front view of the utility model antenna shown in Fig. 1 one embodiment；
Fig. 3 is the structural representation of transmission network network layers in the embodiment of antenna one shown in Fig. 1；
Fig. 4 is the structural representation of radiating layer in the embodiment of antenna one shown in Fig. 1；
Fig. 5 is the structural representation of parasitic layer in the embodiment of antenna one shown in Fig. 1；
Fig. 6 is the curve map that changes with frequency of amplitude of the return loss of the embodiment of antenna one shown in Fig. 1；
Fig. 7 is the curve map that changes with frequency of voltage standing wave ratio of the embodiment of antenna one shown in Fig. 1；
Fig. 8 is the curve map that changes with frequency of gain of the embodiment of antenna one shown in Fig. 1；
Fig. 9 is the embodiment of antenna one shown in Fig. 1 gain pattern at different frequencies.
Specific embodiment
For making those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and specifically
A kind of antenna that embodiment is provided to utility model is described in further detail.
Referring initially to Fig. 1 and Fig. 2, Fig. 1 is the three dimensional structure diagram of the utility model antenna one embodiment, Fig. 2
It is the front view of the utility model antenna shown in Fig. 1 one embodiment.
Present embodiment antenna 100 includes transmission network network layers 11, radiating layer 12, and is located at transmission network network layers 11 and radiation
Parasitic layer 13 between layer 12.
Refer to Fig. 3, Fig. 3 is the structural representation of transmission network network layers in the embodiment of antenna one shown in Fig. 1, present in Fig. 3
Electrical network network layers 11 include Wiring structure 111 and multiple metal dots, up to rare three metals of transmission network network layers of present embodiment
Point, including the first metal dots B1, the second metal dots C1With the 3rd metal dots D1.Specifically, this transmission network network layers 11 is a printing
Circuit board, Wiring structure 111 and metal dots are same metal, print and form, therefore Wiring structure 111 and metal on pcb board
Point is located at the same face of transmission network network layers 11.
This transmission network network layers 11 adopt 50 Ω cabling design, can in input impedance be 50 Ω conventional SMA, BNC,
The joints such as TNC, N-type are directly connected to, convenient debugging.And Wiring structure 111 is undulated design, can effectively reduce in one party
Length dimension upwards, and the length of Wiring structure 111 is 0.3 λ g it is allowed to certain error.
The metal level 17 that the ground protection of antenna 100 then passes through a ground connection is realized, and transmission network network layers 11 are arranged on this metal
On layer 17, it is not provided with the another side of Wiring structure 111 and is contacted with this metal level 17, and multiple metal dots are also connect with metal level 17
Touch and connect.This metal level 17 length and width is 1.1 λ g～0.9 λ g.I.e. with 1 λ g as design size, during production, allow certain error.
It is provided with radiating layer 12 above transmission network network layers 11, distance between the two is 0.019 λ g～0.023 λ g,
It is preferably 0.021 λ g.Specifically refer to Fig. 4, Fig. 4 is the structural representation of radiating layer in the embodiment of antenna one shown in Fig. 1.
First radiation fin 121 is included on radiating layer 12, the first radiation fin 121 has distributing point A2, corresponding walk knot
Distributing point A is also equipped with structure 1111, in distributing point A1、A2Between feeder pillar 14, the first radiation fin 121 and Wiring structure are set
111 are connected by this feeder pillar 14.
First earth point B is also had on the first radiation fin 1212, corresponding to the first metal dots B in transmission network network layers 111,
Equally in the first metal dots B1With the first earth point B2Between be additionally provided with the first conductive pole 151, the first radiation fin 121 and feed
Internet 11 connects also by this first conductive pole 151.
It is provided with opening 123 on first radiation fin 121, changes current path by increasing gap, introduce new resonance and come
Widen bandwidth of operation.Specifically, this opening 123 includes U-type groove and L-type groove.Opening 123 in present embodiment, width sets
It is calculated as 0.011 λ g, and allowable error.In addition, being further provided with corner cut structure 124, Neng Gougai on the first radiation fin 121
Kind antenna standing wave.The angle, θ of this corner cut is arccos0.778, and allows to produce error.
Second radiation fin 122 is further provided with radiating layer 12, this second radiation fin 122 and the first radiation fin
There are between 121 certain intervals.Second earth point C is had on the second radiation fin 1222, corresponding in transmission network network layers 11
Two metal dots C1, equally in the second metal dots C1With the second earth point C2Between be additionally provided with the second conductive pole 152, the second radiation
Piece 122 is connected by this second conductive pole 152 with transmission network network layers 11.
Parasitic layer 13 is arranged between transmission network network layers 11 and radiating layer 12, to improve the end-fire of antenna.Specifically please join
Read Fig. 5, Fig. 5 is the structural representation of parasitic layer in the embodiment of antenna one shown in Fig. 1.
Parasitic layer 13 is 0.063 λ g～0.077 λ g, preferably 0.07 λ g with the spacing of transmission network network layers 11.And parasitism layer
13 length of itself are 0.275 λ g～0.335 λ g, preferably 0.305 λ g, and width is 0.088 λ g～0.106 λ g, preferably 0.097 λ
g.
It is provided with the 3rd earth point D on parasitic layer 133, corresponding to the 3rd metal dots D in transmission network network layers 111, equally exist
3rd metal dots D1With the 3rd earth point D3Between be additionally provided with the 3rd conductive pole 153, parasitic layer 13 and transmission network network layers 11 are passed through
3rd conductive pole 153 connects.
Additionally, for realizing parasitic stable being supported in transmission network network layers 11 of layer 13, be respectively provided between the two installing hole M and
M3, and insulated support 16 is arranged by installing hole.Certainly insulated support 16 also can not be arranged by installing hole, but directly
Connect and be formed in transmission network network layers 11, to support parasitic layer 13.
The above feeder pillar 14 and the first conductive pole 151, the second conductive pole 152, the 3rd conductive pole 153 realize connection
Also play certain supporting role simultaneously, and all can be obtained by same conductive material, typically select the good copper of electric conductivity, and
Insulated support 16 is then obtained by plastics.
And the spacing of feeder pillar 14 and the first conductive pole 151 is 0.026 λ g～0.030 λ g, preferably 0.028 λ g.Feeder pillar
14 is cylinder, a diameter of 0.014 λ g～0.016 λ g of feeder pillar 14, preferably 0.015 λ g.λ g mentioned above is antenna ripple
Long.
Present embodiment antenna includes transmission network network layers, radiating layer, and is located between transmission network network layers and radiating layer
Parasitic layer；Transmission network network layers include being provided with the cabling area of Wiring structure and non-cabling area, and radiating layer is provided with the first radiation
Piece；First radiation fin is connected by feeder pillar with Wiring structure, and the first radiation fin is connected by the first short-circuit post with non-cabling area；
Parasitic floor is connected by conductive pole with non-cabling area；Wiring structure is waveform, and the first radiation fin is provided with opening.By posting
The design of the setting of generating layer, the design of waveform cabling and radiation fin upper shed is so that the utility model antenna has high width
Feature with low section.
Additionally, present embodiment antenna 100 is the change structure based on conventional PIFA antenna, there is high bandwidth undersized
Feature.It is applicable to moving communicating field, covers frequency band GSM 900 (698～960MHz).
Based on antenna 100 in the application of this frequency range 698～960MHz, performance test is carried out to present embodiment antenna 100,
Respectively obtain return loss, the voltage standing wave ratio and gain change with frequency of antenna 100, and gain at different frequencies
Directional diagram, specifically,
For amplitude | S11 | of return loss S11 of antenna 100, refer to Fig. 6, Fig. 6 is the enforcement of antenna one shown in Fig. 1
The curve map that the amplitude of the return loss of mode changes with frequency.Wherein, meet in 698-960MHz frequency range | S11| ＜ -9dB,
At centre frequency 830MHz, | S11| ≈ -20dB, resonance is deeper.Meet therefore in 698～960MHz frequency range | S11| ＜-
9dB, antenna 100 meets use demand.
For standing-wave ratio VSER of antenna, refer to Fig. 7, Fig. 7 is the voltage standing wave ratio of the embodiment of antenna one shown in Fig. 1
Curve map with frequency change.In 698～960MHz frequency range, standing-wave ratio meets VSER ＜ 2.5, and antenna 100 satisfaction uses need
Ask.
For gain G ain of antenna, refer to Fig. 8, Fig. 8 is that the gain of the embodiment of antenna one shown in Fig. 1 becomes with frequency
The curve map changed.Wherein, in 698～960MHz frequency range, gain G ain meets Gain >=2.8dB, at frequency 780MHz,
Gain ≈ 5.2dB, antenna 100 meets use demand.
In Fig. 6～Fig. 8, Freq represents frequency.
For the gain direction of antenna, refer to Fig. 9, Fig. 9 be the embodiment of antenna one shown in Fig. 1 at different frequencies
Gain pattern.
Wherein, Fig. 9 (a) represents the gain pattern in frequency 698MHz for the antenna 100, and in figure includes representing antenna H face and E
The line in face it is known that, H face has omni-directional.
Fig. 9 (b) represents the gain pattern in frequency 824MHz for the antenna 100, and as seen from the figure, H face has omni-directional.
Fig. 9 (c) represents the gain pattern in frequency 840MHz for the antenna 100, and as seen from the figure, H face has omni-directional, E face
There is " ∞ ", there is preferable radiation characteristic.
Fig. 9 (d) represents the gain pattern in frequency 940MHz for the antenna 100, and as seen from the figure, H face has omni-directional, E face
For " ∞ " type, there is preferable radiation characteristic.
Fig. 9 (e) represents the gain pattern in frequency 960MHz for the antenna 100, and as seen from the figure, H face has omni-directional.
Analyzed from above, present embodiment antenna 100 has preferable performance in 698～960MHz frequency range, full
Sufficient use requirement.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, all
It is the equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or direct or indirect utilization
In other related technical fields, all include in the same manner in scope of patent protection of the present utility model.
Claims (10)
1. a kind of antenna is it is characterised in that described antenna includes：Transmission network network layers, radiating layer, and it is located at described feeding network
Parasitic layer between layer and described radiating layer；
Described transmission network network layers include Wiring structure and multiple metal dots；First radiation fin is provided with described radiating layer；Described
First radiation fin is electrically connected by feeder pillar with described Wiring structure, the in described first radiation fin and the plurality of metal dots
One metal dots pass through the first conductive pole electrical connection；Described parasitism layer and the second metal dots in the plurality of metal dots pass through second
Conductive pole connects；
Described Wiring structure is waveform, and described first radiation fin is provided with opening.
2. antenna according to claim 1 is it is characterised in that described opening includes U-lag and/or L-shaped groove.
3. antenna according to claim 1 is it is characterised in that be further provided with the second radiation fin on described radiating layer,
Described second radiation fin is connected by the 3rd conductive pole with the 3rd metal dots in the plurality of metal dots.
4. antenna according to claim 1 is it is characterised in that be provided with corner cut structure on described first radiation fin.
5. antenna according to claim 1 is it is characterised in that be provided between described parasitism layer and described transmission network network layers
Insulated support.
6. antenna according to claim 1 is it is characterised in that described transmission network network layers are arranged on the metal level of ground connection,
The plurality of metal dots connect described metal level.
7. antenna according to claim 1 is it is characterised in that described transmission network network layers with the spacing of described parasitism layer are
0.063 λ g～0.077 λ g, described parasitism layer is 0.019 λ g～0.023 λ g with the spacing of described radiating layer, and described λ g is antenna
Wavelength.
8. antenna according to claim 1 it is characterised in that described parasitism layer length be 0.275 λ g～0.335 λ g,
Width is 0.088 λ g～0.106 λ g, and described λ g is antenna wavelength.
9. antenna according to claim 1 is it is characterised in that described feeder pillar with the spacing of described first conductive pole is
0.026 λ g～0.030 λ g, described λ g are antenna wavelength.
10., it is characterised in that described feeder pillar is cylinder, described feeder pillar is a diameter of for antenna according to claim 1
0.014 λ g～0.016 λ g, described λ g are antenna wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707991.1U CN205944408U (en) | 2016-07-06 | 2016-07-06 | Antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707991.1U CN205944408U (en) | 2016-07-06 | 2016-07-06 | Antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205944408U true CN205944408U (en) | 2017-02-08 |
Family
ID=57927801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620707991.1U Active CN205944408U (en) | 2016-07-06 | 2016-07-06 | Antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205944408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058442A (en) * | 2016-07-06 | 2016-10-26 | 广东通宇通讯股份有限公司 | Antenna |
| CN110534872A (en) * | 2018-05-23 | 2019-12-03 | 矽品精密工业股份有限公司 | Electronic packing piece |
-
2016
- 2016-07-06 CN CN201620707991.1U patent/CN205944408U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058442A (en) * | 2016-07-06 | 2016-10-26 | 广东通宇通讯股份有限公司 | Antenna |
| CN106058442B (en) * | 2016-07-06 | 2019-04-19 | 广东通宇通讯股份有限公司 | A kind of antenna |
| CN110534872A (en) * | 2018-05-23 | 2019-12-03 | 矽品精密工业股份有限公司 | Electronic packing piece |
| CN110534872B (en) * | 2018-05-23 | 2021-08-17 | 矽品精密工业股份有限公司 | Electronic package |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |