CN108134194A - A kind of miniaturization WLAN dual-band PIFA antennas - Google Patents
A kind of miniaturization WLAN dual-band PIFA antennas Download PDFInfo
- Publication number
- CN108134194A CN108134194A CN201711379944.4A CN201711379944A CN108134194A CN 108134194 A CN108134194 A CN 108134194A CN 201711379944 A CN201711379944 A CN 201711379944A CN 108134194 A CN108134194 A CN 108134194A
- Authority
- CN
- China
- Prior art keywords
- cabling
- branch
- antenna
- radiation unit
- ground wire
- 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
- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical compound FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 230000005855 radiation Effects 0.000 claims abstract description 50
- 230000000694 effects Effects 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 6
- 230000008447 perception Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
Classifications
-
- 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
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- 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
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
Abstract
The present invention relates to a kind of miniaturization WLAN dual-band PIFA antennas, the antenna radiation unit is made of ground wire, feeder line, first branch's cabling, second branch's cabling, ground wire, feeder line, first branch's cabling, second branch's cabling are attached to the surface of antenna holder, form an antenna module；The ground wire of the antenna radiation unit is realized using relatively narrow cabling, the first branch's cabling for stating antenna radiation unit extends from feeder line, second branch's cabling of the antenna radiation unit uses beloid U-shaped cabling, the antenna cabling form of the antenna radiation unit uses U-shaped cabling, the feeder line connection feed and antenna radiation unit, the ground wire connection printed circuit board and antenna radiation unit, the present invention realizes WLAN two-band mobile terminal antennas using miniaturization technology, space can effectively be utilized, 2.4GHz WLAN are completed on the basis of product integral miniaturization, 5GHz WLAN frequency coverages, it is radiated so as to fulfill the high efficiency antenna of WLAN double frequencies.
Description
Technical field
Antenna technical field involved by inventive antenna, specifically a kind of miniaturization WLAN in no headroom environment
Dual-band antenna realizes dual-band antenna radiation using spatial reuse, does not need to reduce antenna occupied space while headroom.
Background technology
Modern wireless communication equipment requirement realizes WLAN Antenna Designs under space as small as possible, to realize more work(
Energy.To meet 802.11 2.4 GHz (2.4GHz- of series of WLAN (wireless local area network) IEEE
2.5 GHz), the two-band of 5 GHz WLAN (4.9GHz -5.85 GHz) requires, and traditional WLAN antenna design techniques are main
Aerial position is positioned over board edges clearance zone, and ensures enough antenna cabling areas.Traditional design scheme is double to meet
Frequency range covering requirement needs to ensure that product retains certain clearance zone and routing region, and inapplicable miniaturization mobile terminal day
Line designs.After being reduced accordingly in wireless telecommunications system space, the size of correlated parts is also limited by very large.In nothing
The line device space is reduced, and in the environment of antenna is reduced using space, the effectiveness of performance of antenna can be very poor.The present invention devises one kind
WLAN antennas are minimized, realize the covering of three band frequencies in the day space of lines of very little, antenna body is respectively positioned in motherboard space, no
It needs specially to retain clearance zone in board edges, while can realize efficientibility energy.The WLAN two-bands day that the present invention designs
Line can realize the superperformance efficiency of WIFI double frequencies under the small environment in no headroom, space, be suitable for miniaturization WLAN antennas and set
Meter.The WLAN dual-band antennas that the present invention designs can be promoted the use of in different mobile terminal WLAN Antenna Designs, had
Very strong practicability.
Invention content
The purpose of the present invention is being to overcome existing technical difficulty, it is real under no headroom, small space environment to provide one kind
The PIFA antennas of existing WLAN double frequency good efficiencies performances.
A kind of miniaturization WLAN dual-band PIFA antennas, which is characterized in that printed circuit board and antenna part form entire day
Linear system is united, and the upper end of the printed circuit board 1 is antenna radiation unit 3, the antenna radiation unit 3 by ground wire 5, feeder line 6,
First branch's cabling 7, second branch's cabling 8 form, and ground wire 5, feeder line 6, first branch's cabling 7, second branch's cabling 8 adhere to
On the surface of antenna holder 4, an antenna module is formed；The ground wire 5 of the antenna radiation unit 3 is real using relatively narrow cabling
Existing, the first branch's cabling 7 for stating antenna radiation unit 3 extends from feeder line, and the second branch of the antenna radiation unit 3 is walked
Line 8 uses beloid U-shaped cabling, and the antenna cabling form of the antenna radiation unit is using U-shaped cabling, the feeder line 6
Connect feed 2 and antenna radiation unit 3, the 5 connection printed circuit board 1 of ground wire and antenna radiation unit 3, the printing electricity
Road plate 1 is covered without headroom using all-metal.
Antenna radiation unit produces two kinds by ground wire 5,6 and first branch's cabling 7 of feeder line, second branch's cabling 8
Mode of resonance：Low frequency 2.4GHz-2.5GHz modes of resonance and high frequency 4.9GHz-5.85GHZ modes of resonance；
Wherein ground wire 5,6 and second branch's cabling 8 of feeder line generate low frequency 2.4GHz-2.5GHz aerial radiation resonance.Wherein
Two branch's cablings 8 are U-shaped cabling, realize spatial reuse using stacked cabling, reduce antenna occupied space.Wherein the second branch
8 end of cabling it is wider walk line position be in 4 top of antenna holder, wider cabling patch is conducive to aerial radiation；Second branch
Cabling 8 realizes that on the one hand relatively narrow antenna cabling reduces with the wide trace portions in end close to feeding line portion using relatively narrow cabling
Coupling reduces the negative effect to aerial radiation, and on the other hand narrow cabling perception is stronger, further reduces antenna and occupies volume.
Wherein ground wire 5,6 and first branch's cabling 7 of feeder line, second branch's cabling 8 generate low frequency 4.9GHz- jointly
5.85GHz aerial radiation resonance.Ground wire 5, feeder line 6, second branch's cabling 8 can generate a times for being located at higher frequency frequency range
Frequency resonance.First branch's cabling 7 adjusts the frequency multiplication resonance for being grounded 5, feeder line 6, second branch's cabling 8 generates to required
4.9GHz-5.85GHz frequency range.First branch's cabling 7 is hoisted by feeder line 6 along antenna holder 4 to be extended, and only takes up longitudinal height
Space is spent, does not need to lateral day space of lines.First branch's cabling 7 is located proximate to 4 top of antenna holder, apart from printed circuit board 1
Farther out, it is advantageously implemented effective aerial radiation of 4.9GHz-5.85GHz frequency ranges.
Wherein ground wire 5 and feeder line 6 realizes impedance matching effect to antenna, improves antenna radiation capability.Ground wire 5 uses
Relatively narrow cabling increases its cabling perception；Ground wire 5 improves antenna feed end capacitive with 6 spacing very little of feeder line, the smaller spacing of use.
Ground wire 5 and 6 collective effect of feeder line, perception and capacitive can adjust the input impedance at antenna feeder end, reach the best day of two-band
Line end mouth matching effect, so as to improve antenna radiation capability.
The 5 connection printed circuit board 1 of ground wire and antenna radiation unit 3, using one section of microstrip line, but do not limit to
In the connecting line of microstrip line or shell foot, Pogo pin etc. as signal transmission.
The feeder line 6 connects feed 2 and antenna radiation unit 3, using one section of microstrip line, but be not limited to that micro-strip
The connecting line of line or shell foot, Pogo pin etc. as signal transmission.
Inventive antenna has the beneficial effect that：WLAN two-band mobile terminal antennas are realized using miniaturization technology, this hair
It is bright effectively to utilize space, realize that 2.4GHz WLAN, 5GHz WLAN frequencies cover on the basis of product integral miniaturization
Lid.The covering requirement of IEEE 802.11b/g/n/a frequency ranges can be met.In the environment of no antenna headroom, smaller antenna is utilized
The high efficiency antenna radiation of WLAN double frequencies is realized in cabling space.
[description of the drawings]
Fig. 1 is the antenna structure view of the present invention
Fig. 2 is a partial enlarged view of Figure 1
Fig. 3 is the return loss of WLAN antennas of the present invention
Fig. 4 is the efficiency of WLAN antennas of the present invention
Description of symbols in figure
1 printed circuit board, 2 feeds, 3 antenna radiation units, 4 antenna holders, 5 ground wires, 6 feeder lines, 7 first branch's cablings, 8 the
Two branch's cablings.
[specific embodiment]
In order to become apparent from, effectively illustrate the technical solution of the embodiment of the present invention, attached drawing needed in the embodiment is made
It is simple to introduce
As depicted in figs. 1 and 2, the structure of the PIFA antennas includes：1 printed circuit board, 2 feeds, 3 antenna radiation units, 4 antennas
Stent, 5 ground wires, 6 feeder lines, 7 first branch's cablings, 8 second branch's cablings；Printed circuit board 4 uses PCB in the present embodiment
Plate, size 80mm*80mm, antenna radiation unit are at its upper end；Antenna radiation unit includes 5 and is grounded, 6 feeder lines, 7 first points
Branch cabling, 8 second branch's cablings.Wherein 5 ground wires, 6 feeder lines, 7 first branch's cablings, 8 second branch's cablings are attached to plastics
The surface of stent, 1 printed circuit board, 2 feeds, 3 antenna radiation units, 4 antenna holders collectively constitute entire antenna system.
Feeder line 6：One section of microstrip line of feed and radiating element is connected, but be not limited to that microstrip line or shell foot,
Connecting lines of the Pogo pin etc. as signal transmission；
Ground wire 5：One section of microstrip line of printed circuit board and radiating element is connected, but be not limited to that microstrip line, it can also
It is the connecting line of shell foot, Pogo pin etc. as signal transmission.The line width of ground wire 5 and the spacing of ground wire 5 and feeder line 6
Antenna port impedance can be adjusted so that antenna preferably completes aerial radiation in two-band.
First branch's cabling 7：First branch's cabling 7 is hoisted by feeder line 6 along antenna holder 4 to be extended, and is located proximate to
4 top of antenna holder.Ground wire 5,6 and first branch's cabling 7 of feeder line, second branch's cabling 8 generate low frequency 4.9GHz- jointly
5.85GHz aerial radiation resonance.Ground wire 5, feeder line 6, second branch's cabling 8 can generate a times for being located at higher frequency frequency range
Frequency resonance.First branch's cabling 7 adjusts the frequency multiplication resonance for being grounded 5, feeder line 6, second branch's cabling 8 generates to required
4.9GHz-5.85GHz frequency range.First branch's cabling 7 farther out, is advantageously implemented 4.9GHz-5.85GHz apart from printed circuit board 1
Effective aerial radiation of frequency range.First branch's cabling 7 only takes up longitudinal height space, does not need to lateral day space of lines, can reduce
Antenna occupied space.
Second branch's cabling 8：Second branch's cabling 8 is U-shaped cabling, realizes spatial reuse using stacked cabling, reduces
Antenna occupied space.8 end of wherein second branch's cabling it is wider walk line position be in 4 top of antenna holder, wider cabling patch
Piece is conducive to aerial radiation；Second branch's cabling 8 realizes that on the one hand relatively narrow antenna is walked close to feeding line portion using relatively narrow cabling
Line reduces the coupling with the wide trace portions in end, reduces the negative effect to aerial radiation, and on the other hand narrow cabling perception is stronger,
Further reduce antenna and occupy volume.
Fig. 3 is the return loss of WLAN antennas of the present invention.Shown according to fig. 3, WLAN antennas of the invention are meeting low frequency
Under the premise of bandwidth 2.4GHz-2.5GHz performances, high-frequency energy covers the bandwidth of 4.9GHz-5.85GHz.
Fig. 4 is the efficiency of WLAN antennas of the present invention.According to Fig. 4, WLAN antennas of the invention can meet bis- in WLAN
The ultra-wideband bandwidth of frequency is having the effectiveness of performance hated, and antenna can realize efficient aerial radiation double frequency is short.
Claims (7)
- A kind of 1. miniaturization WLAN dual-band PIFA antennas, which is characterized in that printed circuit board（1）Entire day is formed with antenna part Linear system is united, the printed circuit board（1）Upper end be antenna radiation unit（3）, the antenna radiation unit is by being grounded（5）、 Feeder line（6）, first branch's cabling（7）, second branch's cabling（8）Composition, ground wire（5）, feeder line（6）, first branch's cabling （7）, second branch's cabling（8）It is attached to antenna holder（4）Surface, form an antenna module；The antenna radiation unit （3）Ground wire（5）It is realized using relatively narrow cabling, the antenna radiation unit（3）First branch's cabling（7）Extend from feeder line And go out, the antenna radiation unit（3）Second branch's cabling（8）Using beloid U-shaped cabling, the feeder line（6）Even Connect feed（2）And antenna radiation unit（3）, the ground wire（5）Connect printed circuit board（1）And antenna radiation unit（3）, institute State printed circuit board（1）Without headroom, covered using all-metal.
- A kind of 2. miniaturization WLAN dual-band PIFA antennas as described in claim 1, which is characterized in that the printed circuit board （1）Using pcb board.
- A kind of 3. miniaturization WLAN dual-band PIFA antennas as described in claim 1, which is characterized in that the ground wire（5）Even Connect printed circuit board（1）And antenna radiation unit（3）, using one section of microstrip line, but be not limited to that microstrip line or The connecting line of shell foot, Pogo pin etc. as signal transmission.
- A kind of 4. miniaturization WLAN dual-band PIFA antennas as described in claim 1, which is characterized in that the feeder line（6）Connection Feed（2）And antenna radiation unit（3）, using one section of microstrip line, but be not limited to that microstrip line or shell foot, The connecting line as signal transmission such as Pogo pin.
- A kind of 5. miniaturization WLAN dual-band PIFA antennas as described in claim 1, which is characterized in that ground wire（5）, feeder line （6）With second branch's cabling（8）Low frequency 2.4GHz-2.5GHz aerial radiation resonance is generated, wherein second branch's cabling（8）For U Type cabling realizes spatial reuse, second branch's cabling using stacked cabling（8）End it is wider walk line position be in antenna holder （4）Top；Second branch's cabling（8）It is realized close to feeding line portion using relatively narrow cabling.
- A kind of 6. miniaturization WLAN dual-band PIFA antennas as described in claim 1, which is characterized in that ground wire（5）, feeder line （6）With first branch's cabling（7）, second branch's cabling（8）It is common to generate low frequency 4.9GHz-5.85GHz aerial radiation resonance；The One branch's cabling（7）By feeder line（6）Along antenna holder（4）It hoists and extends, only take up longitudinal height space, do not need to be horizontal To day space of lines；First branch's cabling（7）It is located proximate to antenna holder（4）Top, apart from printed circuit board（1）Farther out, favorably In the effective aerial radiation for realizing 4.9GHz-5.85GHz frequency ranges.
- A kind of 7. miniaturization WLAN dual-band PIFA antennas as described in claim 1, which is characterized in that ground wire（5）And feeder line （6）Two-band impedance matching is completed to antenna；Ground wire（5）Using relatively narrow cabling, increase its cabling perception；Ground wire（5）Together Feeder line（6）Spacing very little, the smaller spacing collective effect of use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711379944.4A CN108134194A (en) | 2017-12-20 | 2017-12-20 | A kind of miniaturization WLAN dual-band PIFA antennas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711379944.4A CN108134194A (en) | 2017-12-20 | 2017-12-20 | A kind of miniaturization WLAN dual-band PIFA antennas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108134194A true CN108134194A (en) | 2018-06-08 |
Family
ID=62390787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711379944.4A Pending CN108134194A (en) | 2017-12-20 | 2017-12-20 | A kind of miniaturization WLAN dual-band PIFA antennas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108134194A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111987441A (en) * | 2020-08-05 | 2020-11-24 | 惠州Tcl移动通信有限公司 | Antenna device and mobile terminal |
| CN114976592A (en) * | 2021-02-20 | 2022-08-30 | 北京小米移动软件有限公司 | Antenna structure and terminal equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013569A (en) * | 2010-12-01 | 2011-04-13 | 惠州Tcl移动通信有限公司 | Built-in aerial with five frequency ranges and mobile communication terminal thereof |
| CN102013568A (en) * | 2010-12-01 | 2011-04-13 | 惠州Tcl移动通信有限公司 | Four-frequency-band built-in antenna and mobile communication terminal thereof |
| CN106505323A (en) * | 2016-12-08 | 2017-03-15 | 上海煜鹏通讯电子股份有限公司 | Low frequency broadband mobile terminal antenna is realized using double resonance |
| CN208078164U (en) * | 2017-12-20 | 2018-11-09 | 上海煜鹏通讯电子股份有限公司 | A kind of miniaturization WLAN dual-band PIFA antennas |
-
2017
- 2017-12-20 CN CN201711379944.4A patent/CN108134194A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013569A (en) * | 2010-12-01 | 2011-04-13 | 惠州Tcl移动通信有限公司 | Built-in aerial with five frequency ranges and mobile communication terminal thereof |
| CN102013568A (en) * | 2010-12-01 | 2011-04-13 | 惠州Tcl移动通信有限公司 | Four-frequency-band built-in antenna and mobile communication terminal thereof |
| CN106505323A (en) * | 2016-12-08 | 2017-03-15 | 上海煜鹏通讯电子股份有限公司 | Low frequency broadband mobile terminal antenna is realized using double resonance |
| CN208078164U (en) * | 2017-12-20 | 2018-11-09 | 上海煜鹏通讯电子股份有限公司 | A kind of miniaturization WLAN dual-band PIFA antennas |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111987441A (en) * | 2020-08-05 | 2020-11-24 | 惠州Tcl移动通信有限公司 | Antenna device and mobile terminal |
| CN114976592A (en) * | 2021-02-20 | 2022-08-30 | 北京小米移动软件有限公司 | Antenna structure and terminal equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104836031B (en) | A kind of antenna and mobile terminal | |
| CN210956994U (en) | Antenna assembly and electronic equipment | |
| KR20200135552A (en) | Antenna system and terminal equipment | |
| WO2006011008A1 (en) | A multi-band antenna arrangement | |
| CN104037501B (en) | Mobile device | |
| CN110676575B (en) | Miniaturized high-gain dual-frequency WIFI antenna | |
| CN103840259A (en) | Antenna system | |
| WO2017031272A1 (en) | External antenna for vehicle | |
| TWI543444B (en) | Dual-band planar inverted-f antenna | |
| CN107834206B (en) | Antenna and mobile terminal | |
| TWI450442B (en) | A small multi-frequency antenna and a communication device using the antenna | |
| CN201060926Y (en) | Integration type multi-frequency antenna with parasitic short circuit metal plate | |
| CN208078164U (en) | A kind of miniaturization WLAN dual-band PIFA antennas | |
| WO2015120780A1 (en) | Antenna and mobile terminal | |
| EP3121899B1 (en) | Antenna apparatus and terminal | |
| TWI538310B (en) | Dual band printed monopole antenna | |
| CN108134194A (en) | A kind of miniaturization WLAN dual-band PIFA antennas | |
| CN103515699A (en) | Antenna and method used for forming antenna | |
| CN203367465U (en) | Novel ultra-wideband LTE antenna having metal frame | |
| CN202513278U (en) | Terminal antenna | |
| CN110970717A (en) | Broadband Sub-6G external PCB antenna | |
| CN207852905U (en) | A kind of LTE antenna and mobile terminal | |
| CN102570011A (en) | Multifrequency dipole antenna | |
| CN106058434B (en) | A kind of antenna applied to mobile terminal | |
| CN206059648U (en) | A kind of many minor matters LTE antennas of PCB |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |