CN205646121U - Multifrequency 4G cell -phone antenna - Google Patents
Multifrequency 4G cell -phone antenna Download PDFInfo
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- CN205646121U CN205646121U CN201620323946.6U CN201620323946U CN205646121U CN 205646121 U CN205646121 U CN 205646121U CN 201620323946 U CN201620323946 U CN 201620323946U CN 205646121 U CN205646121 U CN 205646121U
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Abstract
The utility model discloses multifrequency 4G cell -phone antenna, the utility model relates to an antenna, cover by two -sided that the sculpture goes out different metallic structure and forms on the copper FR4 microwave medium base plate, metallic structure is including radiation structure and ground plate, the radiation structure includes the type of falling a F monopole, a square split ring, take paper clip type structure monopole for one, a long spuare metal strip, the type of falling F monopole, square split ring, the sculpture is positive at FR4 microwave medium base plate respectively to take paper clip type structure monopole, long spuare metal strip and ground plate sculpture are at FR4 microwave medium back of the substrate, long spuare metal strip is with positive square split ring and take the monopole of paper clip type structure to constitute through two somes component close structure. The utility model discloses multifrequency 4G cell -phone antenna can realize the 4G cell -phone simultaneously and work on moving telecommunication system (UMT2100) and wireless LAN (WLAN2400) and wireless broadband (WIFI2400) system in global mobile communication system (GSM850900), digital communication system (DCS1800), communication.
Description
Technical field
This utility model relates to a kind of antenna, particularly to a kind of mobile communication terminal antenna.
Background technology
Along with the fast development of mobile communication technology, mobile phone has become as the topmost tool of communications of people, and is endowed increasing function.
The concept of 4G (abbreviation of forth generation mobile communication technology) can be described as broadband access and distributed network, has the asymmetrical data more than 2Mb/s and passes
Movement Capabilities.It includes that broadband wireless fixes access, wideband wireless local area network, mobile broadband system and interactive broadcasting network.Forth generation mobile communication
Standard has more function than third generation standard.Forth generation mobile communication can be at different fixing, the nets of frequency band that wireless platform is different with leap
Network provides wireless service, can be anywhere with broadband access the Internet (including satellite communication and Stratosphere Communication), using the teaching of the invention it is possible to provide location is fixed
Time, data acquisition, the comprehensive function such as long-range control.Additionally, forth generation mobile communication system is the wide-band mobile communication system of integrated multifunction, it is
Broadband access IP system.The arrival of 4G communication, develops into current smart mobile phone from traditional functional mobile phone, quick with mobile radio telecommunications
Development, mobile phone widely available, design the requirement that proposition is the highest to antenna for mobile phone.Frequency range is single in the past, function simply, be easily disturbed,
The antenna for mobile phone of the shortcomings such as large volume oneself through meeting that people are ultra-thin to mobile phone, high efficiency, intellectuality, the demand of multiple service, therefore design
Small size, multiple frequency broad band, high-effect and can meet 4G communication antenna for mobile phone be that current events are become.In the thinnest mobile phone, limited hands
Machine inner space a meets current high target to design, high standard, multi-functional antenna for mobile phone are challenges the biggest.
Antenna is as ingredient extremely important in mobile phone, and in order to meet the wireless communication standard of 4G technology, the design of 4G cell phone is also towards many
Frequencyization, direction broadband, planarization are developed.In order to meet the demand of mobile communication system, size is little, bandwidth, function are many and frequency range is many
Antenna for mobile phone is the most studied and applies.At present, 4G built-in mobile phone antenna mainly comprises two classes: monopole antenna (Monopole) with fall
F type antenna (PIFA antenna).PIFA flat plane antenna is to be developed by inverted f wire antenna, has section little, mechanical strength low, affected by environment
The advantages such as good, low cost.
Realize 4G frequency range antenna for mobile phone multifrequency, the method for miniaturization has many, as utilized paster meander technology to change current path, thus reaches
The purpose of antenna miniaturization；Crack loading technique, i.e. cracks or groove on metal patch, utilizes and cracks or groove (such as L-type, U-shaped, c-type), becomes
The CURRENT DISTRIBUTION of the original resonance mode of more metal patch, obtains the characteristic of antenna double frequency；Additional matches circuit engineering, introduces LC resonance circuit,
Antenna can form extra resonance in frequency range, combines with the resonance of antenna self, thus widening frequency band.
Table 1 below is current 4G mobile communication commercialization frequency range.
Table 1: 4G mobile communication commercialization frequency range at present
Existing 4G cell phone antenna is difficult to cover above-mentioned frequency range simultaneously, it is impossible to meet the demand of user.
Summary of the invention
The purpose of this utility model is to provide a kind of multifrequency 4G cell phone antenna covering 7 frequency ranges of 4G wireless mobile communications, uses this antenna can
Realize 4G cell phone at global system for mobile communications (GSM850/900), digital communication system (DCS1800), mobile telecommunication system simultaneously
(UMT2100) and work in WLAN (WLAN2400) and WiMAX (WIFI2400) system.
This utility model the technical scheme is that a kind of multifrequency 4G cell phone antenna for achieving the above object, by double-sided copper-clad FR4 microwave-medium
Etching different metal structures on substrate and formed, metal structure includes that irradiation structure and earth plate, irradiation structure include a reversed F-typed one pole
Son, square aperture ring, band meander needle-like structure monopole, a rectangle bonding jumper, reversed F-typed monopole, square aperture ring,
Band meander needle-like structure monopole is etched in FR4 microwave-medium substrate front side respectively, square aperture ring include two vertical arm and one be connected to two and erect
Horizontal arm between straight-arm upper end, square aperture ring is looped around the edge of the top side of reversed F-typed monopole, and square aperture ring is positioned at the vertical of inner side
Arm lower end is positioned at the horizontal arm end of downside and is connected with reversed F-typed monopole；With meander needle-like structure monopole include the bend arm such as square-wave form,
The L-arm being connected with bend arm bottom and the inverted L-shaped arm being connected with L-arm upper end, bend arm is vertical with multistage by the metal arm of multistage horizontal direction
The metal arm head and the tail in direction connect formation, and the bend arm upper end of band meander needle-like structure monopole is connected with square aperture ring horizontal arm inside end；Long
Square metal bar is etched in FR4 microwave-medium substrate back, the two ends of rectangle bonding jumper via respectively and the inverted L of band meander needle-like structure monopole
Shape arm lower end and square aperture ring are positioned at the vertical arm lower end in outside and connect, and earth plate is etched in FR4 microwave-medium substrate back and is positioned at rectangle gold
Belonging on the downside of bar, earth plate is arranged in parallel with rectangle bonding jumper.
Further technical scheme of the present utility model is: described reversed F-typed monopole vertical arm lower end is distributing point.
This utility model multifrequency 4G cell phone antenna has the advantages that (1) overall structure is simple；(2) reversed F-typed minor matters are used to bend spoke
Ray joint, multi-branched technology and the method that double layer of metal constitutes big Guan Bi ring up and down, it is achieved that the multifrequency of antenna for mobile phone, broadband and miniaturization.
With embodiment, this utility model multifrequency 4G cell phone antenna is further described below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of this utility model multifrequency 4G cell phone antenna；
Fig. 2 is the schematic diagram of the dimensioning of 4G cell phone antenna shown in Fig. 1；
Fig. 3 is the side view of 4G cell phone antenna shown in Fig. 1；
Fig. 4 is the back view of 4G cell phone antenna shown in Fig. 1；
Fig. 5 is return loss S of antenna for mobile phone11Test result figure；
Fig. 6 is f=850MHz antenna for mobile phone Direction Pattern Simulation result figure；
Fig. 7 is f=1800MHz antenna for mobile phone Direction Pattern Simulation result figure；
Fig. 8 is f=2450MHz antenna for mobile phone Direction Pattern Simulation result figure；
Drawing reference numeral illustrates: the reversed F-typed monopole of 1-, 2-square aperture ring, 3-L shape arm, 4-inverted L-shaped arm, 5-bend arm, 6-band meander needle-like structure
Monopole, 7-rectangle bonding jumper, 8-earth plate.
Detailed description of the invention
As shown in Figures 1 to 4, this utility model multifrequency 4G cell phone antenna (be called for short " antenna for mobile phone "), by a length of L, a width of W is two-sided covers
Etching different metal structures on copper FR4 microwave-medium substrate and formed, metal structure includes irradiation structure and earth plate 8, and wherein, FR4 is micro-
The thickness of ripple medium substrate is 0.5 millimeter, and relative dielectric constant is εr=4.4, loss angle tangent tano=0.002.Irradiation structure includes an inverted f
2, band 6, rectangle bonding jumper 7 of meander needle-like structure monopole of 1, square aperture ring of type monopole.Reversed F-typed monopole 1,
Square aperture ring 2, band meander needle-like structure monopole 6 are etched in FR4 microwave-medium substrate front side respectively.Square aperture ring 2 includes two vertically
Arm and a horizontal arm being connected between two vertical arm upper ends, square aperture ring 2 is looped around the edge of the reversed F-typed top side of monopole 1, and side
Shape split ring 2 be positioned at inner side vertical arm lower end be positioned at reversed F-typed monopole 1 on the downside of horizontal arm end be connected.Band meander needle-like structure one pole
Son 6 includes the L-arm 3 being connected such as the bend arm 5 of square-wave form and the inverted L-shaped arm 4 being connected with L-arm 3 upper end with bend arm 5 bottom,
Bend arm 5 is connected by the metal arm head and the tail of the metal arm of multistage horizontal direction and multistage vertical direction and is formed, band meander needle-like structure monopole 6 curved
5 upper ends of cranking arm are connected with square aperture ring 2 horizontal arm inside end.Rectangle bonding jumper 7 is etched in FR4 microwave-medium substrate back, rectangle
The two ends of bonding jumper 7 via respectively and inverted L-shaped arm 4 lower end of band meander needle-like structure monopole 6 and square aperture ring 2 are positioned at the vertical arm in outside
Lower end connects, short dot S in junction point such as Fig. 11With short dot S2, rectangle bonding jumper 7 and the square aperture ring 2 in front and band paper clip
Type structure monopole 6 constitutes and constitutes closing structure by two points.Reversed F-typed monopole 1 vertical arm lower end is distributing point F, by 50 ohm
Microstrip feed line is connected with system.Earth plate 8 is etched in FR4 microwave-medium substrate back and is positioned on the downside of rectangle bonding jumper 7, and earth plate 8 is with long
Square metal bar 7 is arranged in parallel.
One group of geometric parameter of this utility model antenna for mobile phone successful design is as shown in table 2.
Table 2: one group of geometric parameter of antenna for mobile phone (dimensional parameters unit is: millimeter)
| W | L | h | L1 | L2 | L3 | L4 | LF | LG | LG1 | h |
| 70 | 27 | 0.5 | 19.2 | 3.5 | 4.6 | 7.2 | 7.8 | 0.6 | 1.2 | 0.5 |
| W1 | W2 | W3 | W4 | W5 | W6 | WS | WS1 | WS2 | WR | WF |
| 13.4 | 8.5 | 6.1 | 4.8 | 5.4 | 31.8 | 2.0 | 2.9 | 0.6 | 4.0 | 1.0 |
Table 2 illustrates: table 2 for being h=0.5 millimeter for thickness, relative dielectric constant εr=4.4, the FR4 of loss angle tangent tan σ=0.002
One group of antenna for mobile phone sized data that microwave-medium substrate draws.For the FR4 microwave-medium substrate of other thickness or different physical, change,
Adjust data above, it is also possible to design corresponding multiband antenna for mobile phone.
Accompanying drawing 5 is emulation and the actual measured results of antenna for mobile phone input return loss, testing tool: Agilent Network Analyzer, model:
Agilent 8753ES.As seen from the figure, in 688-980MHz, 1702-1880MHz, 1920-2180MHz, 2385-2490MHz frequency range,
Return loss S of antenna11Less than-10dB (corresponding VSWR is less than 2).Obviously, the antenna for mobile phone invented LTE700, CDMA/GSM850,
With 50 Europe in GSM900, DCS1800, WCDMA/UMTS2100, WLAN (2400-2484) and WIFI (2400-2484) frequency range
The microstrip feed line of nurse has good impedance matching property.
Fig. 6 to Fig. 8 is invention antenna for mobile phone directional diagram on tri-Frequency points of 850MHz, 1800MHz and 2450MHz.Use
Emulation tool: ANSOFT company of U.S. commercialization Frequency Simulation Software HFSS is V.13.It can be seen that the simulation result of handset antenna radiation directional diagram shows
Preferable omni-directional is shown, is suitably applied mobile communication.Additionally, simulation result also shows, this antenna for mobile phone 800MHz, 900MHz,
950MHz, 1900MHz, 2100MHz also have similar directional diagram to show, and therefore the directional diagram of this antenna for mobile phone can meet antenna for mobile phone simultaneously
Work in LTE700, CDMA/GSM850, GSM900, DCS1800, WCDMA/UMTS2100, WLAN (2400-2484) and
WIFI (2400-2484) frequency range.
Table 3 be inventive antenna mobile phone 800MHz, 850,900MHz, 950MHz, 1800MHz, 1900MHz, 2100MHz and
During 2450MHz, the gain of antenna for mobile phone.Antenna for mobile phone is in the frequency range required, yield value all changes between 2dBi to 5.2dBi, full
The foot mobile terminal requirement to mobile phone antenna gain.
Table 3: antenna for mobile phone gain measurements
| f(MHz) | 800 | 850 | 900 | 950 | 1800 | 1900 | 2100 | 2450 |
| Gain(dBi) | 2.0 | 2.4 | 3.0 | 3.2 | 3.9 | 3.7 | 4.0 | 5.2 |
When making antenna for mobile phone, on FR4 microwave-medium substrate, etch antenna pattern by table 2 dimensional parameters, complete the short circuit of short dot via,
I.e. complete the making of multiband antenna for mobile phone of the present invention.When specifically applying, antenna can be produced on one piece of FR4 circuit board with system circuit board is integrated,
The earth plate 8 of antenna is connected with the ground of system, additionally, as required can also be 50 ohm of feeding microstrip line (i.e. WF=1mm section micro-strip
Line) suitably shorten, to reduce the size of antenna further.
Above example is only preferred embodiment of the present utility model, and structure of the present utility model is not limited to the form that above-described embodiment is enumerated, all
Any amendment of being made within spirit of the present utility model and principle, equivalent etc., within should be included in protection domain of the present utility model.
Claims (2)
- null1. a multifrequency 4G cell phone antenna，Formed by etching different metal structures on double-sided copper-clad FR4 microwave-medium substrate，Metal structure includes irradiation structure and earth plate (8)，It is characterized in that，Irradiation structure includes inverted f type monopole (1)、One square aperture ring (2)、One band meander needle-like structure monopole (6)、One rectangle bonding jumper (7)，Inverted f type monopole (1)、Square aperture ring (2)、Band meander needle-like structure monopole (6) is etched in FR4 microwave-medium substrate front side respectively，Square aperture ring (2) includes two vertical arm and a horizontal arm being connected between two vertical arm upper ends，Square aperture ring (2) is looped around the edge of inverted f type monopole (1) top side，And square aperture ring (2) be positioned at inner side vertical arm lower end be positioned at inverted f type monopole (1) on the downside of horizontal arm end be connected；Band meander needle-like structure monopole (6) includes the L-arm (3) that the bend arm (5) such as square-wave form is connected and the inverted L-shaped arm (4) being connected with L-arm (3) upper end with bend arm (5) bottom, bend arm (5) is connected by the metal arm head and the tail of the metal arm of multistage horizontal direction and multistage vertical direction and is formed, and bend arm (5) upper end of band meander needle-like structure monopole (6) is connected with square aperture ring (2) horizontal arm inside end；Rectangle bonding jumper (7) is etched in FR4 microwave-medium substrate back, the vertical arm lower end that the two ends difference via of rectangle bonding jumper (7) is positioned at outside with inverted L-shaped arm (4) lower end of band meander needle-like structure monopole (6) and square aperture ring (2) is connected, earth plate (8) is etched in FR4 microwave-medium substrate back and is positioned at rectangle bonding jumper (7) downside, and earth plate (8) is arranged in parallel with rectangle bonding jumper (7).
- 2. multifrequency 4G cell phone antenna as claimed in claim 1, it is characterised in that described inverted f type monopole (1) vertical arm lower end is distributing point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620323946.6U CN205646121U (en) | 2016-04-18 | 2016-04-18 | Multifrequency 4G cell -phone antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620323946.6U CN205646121U (en) | 2016-04-18 | 2016-04-18 | Multifrequency 4G cell -phone antenna |
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| CN205646121U true CN205646121U (en) | 2016-10-12 |
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| CN201620323946.6U Expired - Fee Related CN205646121U (en) | 2016-04-18 | 2016-04-18 | Multifrequency 4G cell -phone antenna |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374210A (en) * | 2016-10-27 | 2017-02-01 | 同济大学 | Antenna device |
| CN106505314A (en) * | 2016-12-21 | 2017-03-15 | 广西科技大学鹿山学院 | A kind of multifrequency bending 4G cell phone antenna |
| CN108832277A (en) * | 2018-05-25 | 2018-11-16 | 哈尔滨工程大学 | A kind of miniature antenna of inductance load |
| CN110571514A (en) * | 2019-09-25 | 2019-12-13 | 华南理工大学 | 5G metal frame cell-phone antenna |
| CN110828967A (en) * | 2019-11-19 | 2020-02-21 | 榆林学院 | Multi-frequency miniaturized folding monopole antenna with loading grounding LC structure |
| CN110867652A (en) * | 2019-11-30 | 2020-03-06 | 惠州Tcl移动通信有限公司 | Antenna structure for Sub-6G, PCB and mobile terminal |
-
2016
- 2016-04-18 CN CN201620323946.6U patent/CN205646121U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374210A (en) * | 2016-10-27 | 2017-02-01 | 同济大学 | Antenna device |
| CN106505314A (en) * | 2016-12-21 | 2017-03-15 | 广西科技大学鹿山学院 | A kind of multifrequency bending 4G cell phone antenna |
| CN106505314B (en) * | 2016-12-21 | 2023-06-13 | 广西科技大学鹿山学院 | Multifrequency 4G cell-phone antenna of bending |
| CN108832277A (en) * | 2018-05-25 | 2018-11-16 | 哈尔滨工程大学 | A kind of miniature antenna of inductance load |
| CN110571514A (en) * | 2019-09-25 | 2019-12-13 | 华南理工大学 | 5G metal frame cell-phone antenna |
| CN110571514B (en) * | 2019-09-25 | 2024-01-19 | 华南理工大学 | 5G metal frame mobile phone antenna |
| CN110828967A (en) * | 2019-11-19 | 2020-02-21 | 榆林学院 | Multi-frequency miniaturized folding monopole antenna with loading grounding LC structure |
| CN110828967B (en) * | 2019-11-19 | 2022-07-29 | 榆林学院 | Multi-frequency miniaturized folding monopole antenna with loading grounding LC structure |
| CN110867652A (en) * | 2019-11-30 | 2020-03-06 | 惠州Tcl移动通信有限公司 | Antenna structure for Sub-6G, PCB and mobile terminal |
| US11923627B2 (en) | 2019-11-30 | 2024-03-05 | Huizhou Tcl Mobile Communication Co., Ltd. | Antenna structure for sub-6G, PCB board, and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20170418 |
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| CF01 | Termination of patent right due to non-payment of annual fee |