CN106785434A - A kind of compact dual-frequency loop aerial - Google Patents
A kind of compact dual-frequency loop aerial Download PDFInfo
- Publication number
- CN106785434A CN106785434A CN201710053101.9A CN201710053101A CN106785434A CN 106785434 A CN106785434 A CN 106785434A CN 201710053101 A CN201710053101 A CN 201710053101A CN 106785434 A CN106785434 A CN 106785434A
- Authority
- CN
- China
- Prior art keywords
- ring radiation
- ground plane
- loop
- radiation body
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Landscapes
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A kind of compact dual-frequency loop aerial, it is characterised in that the antenna includes substrate, ground plane, feed, ring radiation body and loop feeder；The ground plane is printed on thereon；One end connection ground plane of the feed, other end connection sheet metal；The loop feeder connects feed and ground plane by sheet metal, constitutes a loop checking installation；The ring radiation body constitutes a loop checking installation by another point for being a little connected to ground plane of the sheet metal from ground plane；Ring radiation body is connected by with ground plane, is produced with ground plane and coupled, so that the relative position of emission signal, loop feeder and ring radiation body is unrestricted.
Description
Technical field
The present invention relates to a kind of planar printed-antenna, more particularly to a kind of compact dual-frequency loop aerial.
Background technology
As circuit board is less and less, circuit is more and more integrated, and the volume that can be applied to antenna is also gradually reduced.So
And, existing antenna is generally inverted F shaped antenna (PIFA antenna), and its length is 1/4 wavelength, it is impossible to meet the demand of miniaturization.Separately
Outward, if the volume of antenna is reduced, bandwidth can be caused to narrow and efficiency reduction.Multiband aerial is more and more applied and moved
In the middle of dynamic equipment, such as two-band Wi-Fi antennas etc..But, the bigger volume of multiband aerial requirement, existing multifrequency PIFA
It is integrated into small space can have a strong impact on antenna performance, so as to limit its application.Thus, multiband and miniature antenna
Demand increasingly increase.
The major defect of loop aerial is at present：First, existing antenna has bulky shortcoming.In practical application
In, when antenna is in narrow and small volume, its efficiency and bandwidth will all be reduced, so as to be unfavorable for business application.Second, most antennas
Do not possess flexible controllability (including resonant frequency and impedance matching), it is cost-effective so as to be unfavorable for.
The content of the invention
The present invention is in order to overcome the shortcomings of above-mentioned technology and defect, there is provided a kind of compact dual-frequency loop aerial.
It is of the invention to be accomplished in the following manner：A kind of compact dual-frequency loop aerial, it is characterised in that the day
Line includes substrate, ground plane, feed, ring radiation body and loop feeder；The ground plane is printed on thereon structure
Into conventional circuit board；One end connection ground plane of the feed, other end connection sheet metal；The loop feeder (5)
Feed (3) and ground plane (2) are connected by sheet metal (6), a loop checking installation is constituted；The ring radiation body passes through metal
Piece constitutes a loop checking installation from another point for being a little connected to ground plane of ground plane；Ring radiation body by with connect
Ground level is connected, and is produced with ground plane and coupled, so that the relative position of emission signal, loop feeder and ring radiation body is not
It is restricted.
The ring radiation body is connected with ground plane, locates on the same plane or be in Different Plane.
The ring radiation body has two, and the position of two ring radiation bodies and relative position are unrestricted.
Described two ring radiation bodies are independent mutually, it is also possible to partly overlap, two ring radiation bodies can also may be used with adjacent
To disperse to be on PCB；Can locate on the same plane, it is also possible to be in Different Plane.
The number of the loop feeder is unrestricted, and the relative position of loop feeder and two ring radiation bodies is not received
Limitation.
Inductively or capacitively element in series or in parallel, is connected with ring radiation body on the ring radiation body, so as to pass through
The resonant frequency of electric capacity, the annular radiant body of inductance element regulation, electric capacity, the quantity of inductance element and position are unrestricted.
Inductively or capacitively element in series or in parallel on the loop feeder, electric capacity, the quantity of inductance element and position
It is unrestricted.
The ring radiation body can be quadrangle, circular, triangle or other irregular shapes etc..
The shape of the loop feeder can be quadrangle, circular, triangle, irregular shape etc..
Brief description of the drawings
Fig. 1 is a kind of compact dual-frequency loop aerial.
Fig. 2 is the structure chart of compact dual-frequency loop aerial ring radiation body.
Fig. 3 is the structure chart of compact dual-frequency loop aerial feed.
Fig. 4-6 is two design sketch of the regulation of frequency band of compact dual-frequency loop aerial.
Specific embodiment
The present invention is described in further detail below.
Embodiment 1
As Figure 1-3, a kind of compact dual-frequency loop aerial, it is characterised in that the antenna includes substrate 1, ground connection
Plane 2, feed 3, ring radiation body 4 and loop feeder 5；The ground plane 2 is printed on substrate 1 and constitutes conventional electricity above
Road plate PCB；One end connection ground plane of the feed 3, other end connection sheet metal 6；The loop feeder 5 passes through metal
The connection of piece 6 feed 3 and ground plane 2, constitute a loop checking installation；The ring radiation body 4 is by sheet metal 6 from ground plane
The 2 another point for being a little connected to ground plane, constitutes a loop checking installation；Ring radiation body is connected by with ground plane 2,
Produced with ground plane and coupled, so that the relative position of emission signal, loop feeder 5 and ring radiation body 4 is unrestricted.
The ring radiation body 4 is connected with ground plane, locates on the same plane or be in Different Plane.
The ring radiation body 4 has two, and the position of two ring radiation bodies and relative position are unrestricted.
Ring radiation body has two, and, used as low-frequency antenna, downside ring radiation body is used as high frequency for upside ring radiation body
Antenna.Two ring radiation bodies form two independent radiant bodies, can independent two frequency bands of control realization (low frequency and high frequency).
Meanwhile, two ring radiation bodies are independent mutually, it is also possible to partly overlap, for example can be with common sparing sheet metal.Two annular spokes
Beam can be with adjacent, it is also possible to which dispersion is on PCB；Can locate on the same plane, it is also possible to be in Different Plane, with very strong
Flexibility.
Fig. 4 illustrates the design sketch of antenna, and the antenna generates two frequencies in low frequency (2.4GHz) and high frequency (5.5GHz)
Band.Bandwidth covers all frequency ranges of low frequency and high frequency, with good antenna performance.Fig. 5, illustrates two regulations of frequency band
Process.It is high without influence by the electric capacity or inductance size that adjust upside ring radiation body, thus it is possible to vary the frequency of low frequency
Frequently.Fig. 6 is illustrated by adjusting the electric capacity or inductance size of downside ring radiation body, so that change the frequency of high frequency, without
Influence low frequency.
Thus, the frequency band of low frequency and high frequency can be controlled individually, and influence each other is substantially unaffected.Described two rings
Shape radiant body 4 is independent mutually, it is also possible to partly overlap, two ring radiation bodies can be with adjacent, it is also possible to which dispersion is on PCB；
Can locate on the same plane, it is also possible to be in Different Plane.
The number of the loop feeder 5 is unrestricted, and loop feeder and two relative positions of ring radiation body are not
It is restricted.
Inductively or capacitively element in series or in parallel on the loop feeder 5, electric capacity, the quantity of inductance element and position
It is unrestricted.
Inductively or capacitively element 7 in series or in parallel, are connected with ring radiation body on the ring radiation body 4, so that logical
Electric capacity, the resonant frequency of the annular radiant body of inductance element regulation are crossed, electric capacity, the quantity of inductance element and position are unrestricted.
The ring radiation body can be quadrangle, circle, triangle or other irregular shapes.
The shape of the loop feeder can be quadrangle, circular, triangle, irregular shape etc..
Claims (9)
1. a kind of compact dual-frequency loop aerial, it is characterised in that the antenna includes substrate (1), ground plane (2), feed
(3), ring radiation body (4) and loop feeder (5)；The ground plane (2) is printed on substrate (1) and constitutes conventional electricity above
Road plate (PCB)；One end connection ground plane of the feed (3), the other end connects sheet metal (6)；The loop feeder (5)
Feed (3) and ground plane (2) are connected by sheet metal (6), a loop checking installation is constituted；The ring radiation body (4) passes through
Sheet metal (6) constitutes a loop checking installation from another point for being a little connected to ground plane of ground plane (2)；Ring radiation
Body is connected by with ground plane (2), is produced with ground plane and coupled, so that emission signal, loop feeder (5) and annular spoke
The relative position of beam (4) is unrestricted.
2. compact dual-frequency loop aerial according to claim 1, it is characterised in that the ring radiation body (4) with connect
Ground level is connected, and locates on the same plane or be in Different Plane.
3. compact dual-frequency loop aerial according to claim 1, it is characterised in that the ring radiation body (4) has two
Individual, the position of two ring radiation bodies and relative position are unrestricted.
4. compact dual-frequency loop aerial according to claim 3, it is characterised in that described two ring radiation bodies (4)
It is independent mutually, it is also possible to partly overlap, two ring radiation bodies can be with adjacent, it is also possible to which that dispersion is on PCB；Can be in same
One plane, it is also possible to be in Different Plane.
5. compact dual-frequency loop aerial according to claim 1, it is characterised in that the loop feeder (5)
Number is unrestricted, and the relative position of loop feeder and two ring radiation bodies is unrestricted.
6. compact dual-frequency loop aerial according to claim 1, it is characterised in that gone here and there on the ring radiation body (4)
Connection or shunt capacitance or inductance element (7), are connected with ring radiation body, so as to adjust annular spoke by electric capacity, inductance element
The resonant frequency of beam, electric capacity, the quantity of inductance element and position are unrestricted.
7. compact dual-frequency loop aerial according to claim 5, it is characterised in that gone here and there on the loop feeder (5)
Connection or shunt capacitance or inductance element, electric capacity, the quantity of inductance element and position are unrestricted.
8. compact dual-frequency loop aerial according to claim 1, it is characterised in that the ring radiation body can be four
Side shape, circular, triangle or other irregular shapes etc..
9. compact dual-frequency loop aerial according to claim 1, it is characterised in that the shape of the loop feeder can
Think quadrangle, circular, triangle, irregular shape etc..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053101.9A CN106785434A (en) | 2017-01-22 | 2017-01-22 | A kind of compact dual-frequency loop aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053101.9A CN106785434A (en) | 2017-01-22 | 2017-01-22 | A kind of compact dual-frequency loop aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106785434A true CN106785434A (en) | 2017-05-31 |
Family
ID=58942550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710053101.9A Pending CN106785434A (en) | 2017-01-22 | 2017-01-22 | A kind of compact dual-frequency loop aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106785434A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725610A (en) * | 2020-06-30 | 2020-09-29 | 西安易朴通讯技术有限公司 | Double-ring antenna, antenna module and mobile terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030098812A1 (en) * | 2001-11-26 | 2003-05-29 | Zhinong Ying | Compact broadband antenna |
| CN102544712A (en) * | 2012-02-07 | 2012-07-04 | 上海安费诺永亿通讯电子有限公司 | Multi-frequency band built-in antenna |
| CN104022358A (en) * | 2014-06-23 | 2014-09-03 | 北京邮电大学 | Small-size multiband antenna |
| CN104380527A (en) * | 2014-06-25 | 2015-02-25 | 华为技术有限公司 | Double annular antenna and mobile terminal with same |
| CN106159450A (en) * | 2015-03-26 | 2016-11-23 | 联想(北京)有限公司 | Loop aerial and electronic equipment |
-
2017
- 2017-01-22 CN CN201710053101.9A patent/CN106785434A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030098812A1 (en) * | 2001-11-26 | 2003-05-29 | Zhinong Ying | Compact broadband antenna |
| CN102544712A (en) * | 2012-02-07 | 2012-07-04 | 上海安费诺永亿通讯电子有限公司 | Multi-frequency band built-in antenna |
| CN104022358A (en) * | 2014-06-23 | 2014-09-03 | 北京邮电大学 | Small-size multiband antenna |
| CN104380527A (en) * | 2014-06-25 | 2015-02-25 | 华为技术有限公司 | Double annular antenna and mobile terminal with same |
| CN106159450A (en) * | 2015-03-26 | 2016-11-23 | 联想(北京)有限公司 | Loop aerial and electronic equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725610A (en) * | 2020-06-30 | 2020-09-29 | 西安易朴通讯技术有限公司 | Double-ring antenna, antenna module and mobile terminal |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |