CN204516902U - A kind of miniaturized ultratvide frequency band terminal antenna and mobile phone - Google Patents
A kind of miniaturized ultratvide frequency band terminal antenna and mobile phone Download PDFInfo
- Publication number
- CN204516902U CN204516902U CN201520229307.9U CN201520229307U CN204516902U CN 204516902 U CN204516902 U CN 204516902U CN 201520229307 U CN201520229307 U CN 201520229307U CN 204516902 U CN204516902 U CN 204516902U
- Authority
- CN
- China
- Prior art keywords
- metal sheet
- rectangular metal
- miniaturized
- frequency band
- terminal antenna
- 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.)
- Expired - Fee Related
Links
Landscapes
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
The utility model discloses a kind of miniaturized ultratvide frequency band terminal antenna and mobile phone.Antenna includes dielectric-slab, be printed on the ground connection rectangular metal sheet of dielectric-slab side and be positioned at the feed strip of dielectric-slab opposite side, short circuit band and lumped inductance.By loading the couple feed between the feed strip of lumped inductance and bending fold short circuit band, be 2:1(S11<-10dB in standing-wave ratio) condition under, achieve two very large bandwidth, thus cover DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/ 5.2/5.8/WiMAX2.5/3.5/5.5 totally ten two frequency ranges.Described mobile phone includes above-mentioned antenna.Compared with prior art, terminal antenna of the present utility model covers the conventional 2G/3G/4G communication frequency band in the whole world and all WLAN/WiMAX wireless communication frequency bands.Be adapted at miniaturization broadband terminal antenna technical field wide popularization and application.
Description
Technical field
The utility model belongs to antenna technical field, is specifically related to a kind of miniaturized ultratvide frequency band terminal antenna and mobile phone.
Background technology
Antenna is as communication terminal equipment, the multiple band operation requirement of demand fulfillment, such as DCS1800(1710 ~ 1880 MHz), PCS1900(1850 ~ 1990MHz), UMTS2100(1920 ~ 2170 MHz), LTE2300(2305 ~ 2400 MHz), LTE2500(2500 ~ 2690 MHz), Bluetooth(2400 ~ 2500 MHz), but along with developing rapidly of Modern wireless communication technology, WLAN (wireless local area network) WLAN(Wireless Local Area Networks) and worldwide interoperability for microwave access WiMAX(Worldwide Interoperability for Microwave Access) covering of frequency range also becomes new demand.The advantage of WLAN is its flexibility and mobility, and shortcoming is that coverage is little, and user is mobile fast will cause Quality Down; The advantage of WiMAX is that coverage is large, meets the user's request of high-speed mobile.If WLAN and WiMAX is combined, the advantage that the two is respective can be obtained, make up respective shortcoming.Therefore, study the wireless communication system that simultaneously can be operated in WLAN and WiMAX frequency range and there is practical significance.Current WLAN operates mainly in 2.4GHz(2.4 ~ 2.484GHz), 5.2GHz(5.15 ~ 5.35GHz) and 5.8GHz(5.725 ~ 5.825GHz), and WiMAX is operated in 2.5GHz(2.4 ~ 2.69GHz), 3.5GHz(3.3 ~ 3.7 GHz) and 5.5GHz(5.25 ~ 5.85GHz).
Along with the arrival in 4G epoch and the commercialization of LTE, consumer is also more and more harsher to the demand of mobile terminal, miniaturized, personalized, ultra-thin, multifrequency, the design requirement such as multi-functional are vigorous, and strong coupling between multiple antenna, can be produced, thus reduction communication quality, this just brings difficulty to Antenna Design.Be 2:1(S11<-10dB in standing-wave ratio) condition under, seldom have antenna while covering above DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/ 5.2/5.8/WiMAX2.5/3.5/5.5 12 frequency ranges completely, the planar dimension of antenna can be accomplished to be less than 120mm
2.Antenna for mobile phone in such as number of patent application CN201410193510.5 is at 60 × 8mm
2plane space in achieve the covering of 8 mobile phone frequency ranges; Miniature antenna in number of patent application CN201420282378.0 covers WLAN/WiMAX many frequency bands.Therefore, design miniaturization, focus and difficult point that low cost, easily processing and the terminal antenna of integrated 2G/3G/4G and WLAN/WiMAX frequency range also become current antenna research work.
Utility model content
The purpose of this utility model is that to overcome existing antenna technology corresponding frequency band few, and the defect that volume is larger, aims to provide a kind of miniaturized ultratvide frequency band terminal antenna and mobile phone, easy to process, cost savings.
The utility model is solved mainly through following proposal: propose a kind of miniaturized ultratvide frequency band terminal antenna, it comprises dielectric-slab, ground connection rectangular metal sheet, feed strip, short circuit band and lumped inductance; Described ground connection rectangular metal sheet is printed on the side of dielectric-slab, described feed strip, and short circuit band and lumped inductance fit in the opposite side of dielectric-slab; Described feed strip includes the asymmetric T-shaped radiating element be made up of the first rectangular metal sheet, the second rectangular metal sheet, the 3rd rectangular metal sheet and the C shape radiating element be made up of the 4th rectangular metal sheet be connected successively, lumped inductance, the 5th rectangular metal sheet, the 6th rectangular metal sheet; Described short circuit band comprises the 7th rectangular metal sheet, the 8th rectangular metal sheet, the 9th rectangular metal sheet, the tenth rectangular metal sheet, the 11 rectangular metal sheet, the 12 rectangular metal sheet that are connected successively; Described diversity antenna comprises the 11 rectangular metal sheet connected vertically, the 12 upright rectangular metal sheet mutually; The 11 described rectangular metal sheet respectively the tenth rectangular metal sheet and the 12 rectangular metal sheet intersects vertically; Meanwhile, the 12 rectangular metal sheet is parallel to the plane at dielectric-slab place.
Described lumped inductance connects the end of the 4th rectangular metal sheet and the initiating terminal of the 5th rectangular metal sheet respectively.
Described terminal antenna is 2:1(S11<-10dB in standing-wave ratio) condition under, cover DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/ 5.2/5.8/WiMAX2.5/3.5/5.5 totally ten two frequency ranges.
The initiating terminal of the first described rectangular metal sheet is connected with the feeder line of 50 ohm; The initiating terminal of the 7th described rectangular metal sheet is directly connected with the ground connection rectangular metal sheet short circuit of dielectric-slab opposite side by via hole.
The vertical height of described 11 rectangular metal sheet is 3 ~ 5mm.
Gap width between described feed strip and short circuit band is 0.3 ~ 1mm.
Described lumped inductance value is 10 ~ 15nH.
The size of dielectric-slab of the present utility model, ground connection rectangular metal sheet, feed strip and short circuit band and lumped inductance value are all to carry out adjusting depending on concrete applied environment and to obtain optimal value.
A kind of mobile phone adopting described antenna.
Compared with prior art, the beneficial effects of the utility model are, on the one hand, be 2:1(S11<-10dB in standing-wave ratio) condition under, antenna achieves two very large bandwidth, cover DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/ 5.2/5.8/WiMAX2.5/3.5/5.5 totally ten two frequency ranges, the conventional 2G/3G/4G communication frequency band in the whole world and all WLAN/ WiMAX wireless communication frequency bands can be operated in, convenient international roam and remote wireless communication; On the other hand, antenna structure is simple, convenient debugging, and its planar dimension is only 10mm × 12mm, highly integrated, reduces the space shared by antenna greatly, is adapted at miniaturization broadband terminal antenna technical field wide popularization and application.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated;
Fig. 1 is the structural representation of a kind of miniaturized ultratvide frequency band terminal antenna described in the utility model;
Fig. 2 is the partial structurtes schematic diagram of antenna described in the utility model;
Fig. 3 is S11 performance parameter curve of the present utility model;
In figure, 1, dielectric-slab, 2, ground connection rectangular metal sheet, 3, feed strip, 4, short circuit band, 5, lumped inductance, 31, the first rectangular metal sheet, the 32, second rectangular metal sheet, the 33, the 3rd rectangular metal sheet, 34, the 4th rectangular metal sheet, the 35, the 5th rectangular metal sheet, the 36, the 6th rectangular metal sheet, 41, the 7th rectangular metal sheet, the 42, the 8th rectangular metal sheet, the 43, the 9th rectangular metal sheet, 44, the tenth rectangular metal sheet, the 45, the 11 rectangular metal sheet, the 46, the 12 rectangular metal sheet.
Embodiment
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment
A kind of miniaturized ultratvide frequency band terminal antenna, as shown in Figure 1, terminal antenna comprises dielectric-slab 1, ground connection rectangular metal sheet 2, feed strip 3, short circuit band 4 and lumped inductance 5; Ground connection rectangular metal sheet 2 is printed on the side of dielectric-slab 1, feed strip 3, and short circuit band 4 and lumped inductance 5 fit in the opposite side of dielectric-slab 1.In Fig. 2, described feed strip 3 includes the asymmetric T-shaped radiating element be made up of the first rectangular metal sheet 31, second rectangular metal sheet 32, the 3rd rectangular metal sheet 33 and the C shape radiating element be made up of the 4th rectangular metal sheet 34 be connected successively, lumped inductance 5, the 5th rectangular metal sheet 35, the 6th rectangular metal sheet 36; Short circuit band 4 comprises the 7th rectangular metal sheet 41, the 8th rectangular metal sheet 42, the 9th rectangular metal sheet 43, the tenth rectangular metal sheet the 44, the 11 rectangular metal sheet the 45, the 12 rectangular metal sheet 46 that are connected successively; 11 rectangular metal sheet 45 respectively the tenth rectangular metal sheet the 44 and the 12 rectangular metal sheet 46 intersects vertically; Meanwhile, the 12 rectangular metal sheet 46 is parallel to the plane at dielectric-slab 1 place.Lumped inductance 5 connects the end of the 4th rectangular metal sheet 34 and the initiating terminal of the 5th rectangular metal sheet 35 respectively.
The initiating terminal of the first rectangular metal sheet 31 is connected with the feeder line of 50 ohm; The initiating terminal of the 7th described rectangular metal sheet 41 is directly connected with ground connection rectangular metal sheet 2 short circuit of dielectric-slab 1 opposite side by via hole.
Wherein, the vertical height of the 11 rectangular metal sheet 45 is 3mm, gap spacing between first rectangular metal sheet 31 and the 7th rectangular metal sheet 41 is 0.5mm, gap spacing between 3rd rectangular metal sheet 33 and the 9th rectangular metal sheet 43 is 1mm, and the gap spacing between the 4th rectangular metal sheet 34 and the tenth rectangular metal sheet 44 is 0.3mm.Meanwhile, lumped inductance value elects 12nH as.
When not loading lamped element, feed strip can produce the resonant mode of 2.8GHz and 5.5GHz, then add and the capacitively coupled bending short circuit band of feed strip, a complete couple feed antenna structure is defined with feed strip, wherein preferably the spacing of short circuit band and feed strip is 0.3mm, the capacitive because feed strip contraction in length produces can be made up, improve the impedance matching of antenna in low-frequency range, next, a lumped inductance is loaded in the optimum position of feed strip, increase the bandwidth of low frequency and high frequency, optimize high band and low-frequency range impedance matching, achieve the bandwidth of operation of ultra-wide.
This terminal antenna and dielectric-slab, ground connection rectangular metal sheet together form a complete radiating system, as Fig. 3, be 2:1(S11<-10dB in standing-wave ratio) condition under, achieve two and be respectively 1661 ~ 4254MHz and the ultratvide frequency band much larger than 4929 ~ 6000MH, thus cover DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/ 5.2/5.8/WiMAX2.5/3.5/5.5 totally ten two frequency ranges, the conventional 2G/3G/4G communication frequency band in the whole world and all WLAN/ WiMAX wireless communication frequency bands can be operated in, convenient international roam and remote wireless communication.Meanwhile, antenna structure is simple, convenient debugging, and its planar dimension is only 10mm × 12mm, reduces the space shared by antenna greatly, is adapted at miniaturization broadband terminal antenna technical field wide popularization and application, has very large market value.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the utility model protects.
Claims (8)
1. a miniaturized ultratvide frequency band terminal antenna, is characterized in that, it comprises dielectric-slab (1), ground connection rectangular metal sheet (2), feed strip (3), short circuit band (4) and lumped inductance (5); Described ground connection rectangular metal sheet (2) is printed on the side of dielectric-slab (1), described feed strip (3), and short circuit band (4) and lumped inductance (5) fit in the opposite side of dielectric-slab (1); Described feed strip (3) includes the asymmetric T-shaped radiating element be made up of the first rectangular metal sheet (31), the second rectangular metal sheet (32), the 3rd rectangular metal sheet (33) and the C shape radiating element be made up of the 4th rectangular metal sheet (34) be connected successively, lumped inductance (5), the 5th rectangular metal sheet (35), the 6th rectangular metal sheet (36); Described short circuit band (4) comprises vertical the 7th rectangular metal sheet (41), the 8th rectangular metal sheet (42), the 9th rectangular metal sheet (43), the tenth rectangular metal sheet (44), the 11 rectangular metal sheet (45), the 12 rectangular metal sheet (46) be connected successively; The 11 described rectangular metal sheet (45) respectively the tenth rectangular metal sheet (44) and the 12 rectangular metal sheet (46) intersects vertically; 12 rectangular metal sheet (46) is parallel to the plane at dielectric-slab (1) place.
2. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, is characterized in that, described lumped inductance (5) connects the end of the 4th rectangular metal sheet (34) and the initiating terminal of the 5th rectangular metal sheet (35) respectively.
3. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, it is characterized in that, described terminal antenna is 2:1 in standing-wave ratio, S11<-10dB, condition under, cover DCS1800/PCS1900/UMTS2100/LTE2300/2500/Bluetooth/WLAN2.4/ 5.2/5.8/WiMAX2.5/3.5/5.5 totally ten two frequency ranges.
4. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, the described initiating terminal of the first rectangular metal sheet (31) is connected with the feeder line of 50 ohm; The initiating terminal of the 7th described rectangular metal sheet (41) is directly connected with ground connection rectangular metal sheet (2) short circuit of dielectric-slab (1) opposite side by via hole.
5. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, is characterized in that, the vertical height of described 11 rectangular metal sheet (45) is 3 ~ 5mm.
6. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, the gap width between described feed strip (3) and short circuit band (4) is 0.3 ~ 1mm.
7. the miniaturized ultratvide frequency band terminal antenna of one according to claim 1, described lumped inductance (5) value is 10 ~ 15nH.
8. one kind adopts the mobile phone of the antenna according to any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520229307.9U CN204516902U (en) | 2015-04-16 | 2015-04-16 | A kind of miniaturized ultratvide frequency band terminal antenna and mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520229307.9U CN204516902U (en) | 2015-04-16 | 2015-04-16 | A kind of miniaturized ultratvide frequency band terminal antenna and mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204516902U true CN204516902U (en) | 2015-07-29 |
Family
ID=53714843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520229307.9U Expired - Fee Related CN204516902U (en) | 2015-04-16 | 2015-04-16 | A kind of miniaturized ultratvide frequency band terminal antenna and mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204516902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852147A (en) * | 2015-04-16 | 2015-08-19 | 中国计量学院 | Miniaturized extra wide frequency band terminal antenna and mobile phone |
-
2015
- 2015-04-16 CN CN201520229307.9U patent/CN204516902U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852147A (en) * | 2015-04-16 | 2015-08-19 | 中国计量学院 | Miniaturized extra wide frequency band terminal antenna and mobile phone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103199339B (en) | Reactance loaded dual-band antenna | |
| CN105140649B (en) | A kind of multifrequency antenna | |
| CN102110892B (en) | Low-standing-wave ratio and ultra-wide band planar slot antenna | |
| CN104617379A (en) | Antenna structure | |
| CN205122771U (en) | Microstrip antenna | |
| CN203674379U (en) | Mobile terminal metal-structure antenna | |
| CN103199342B (en) | Plane printed antenna for mobile terminal considering clearance zone area and multi-frequency-band covering | |
| CN103985956B (en) | A kind of ring T-shaped multiband antenna for mobile phone | |
| CN103985957B (en) | A kind of broadband multi-band built-in mobile phone antenna | |
| CN201789074U (en) | Indoor coverage patch antenna with low profile for mobile communication | |
| CN104716441A (en) | Multi-band antenna and mobile terminal | |
| CN204857943U (en) | Multifrequency bow tie type printed antenna | |
| CN108365334B (en) | Multi-band antenna based on microstrip line proximity coupling feed | |
| CN203617432U (en) | LTE antenna expanding low frequency and high frequency bandwidth | |
| CN203521611U (en) | Coupled feeding multi-frequency antenna | |
| CN204516902U (en) | A kind of miniaturized ultratvide frequency band terminal antenna and mobile phone | |
| CN202817178U (en) | Dual-frequency monopole antenna and its mobile terminal | |
| CN205376776U (en) | Low section GSM, LTE coplane directional aerial | |
| CN209658395U (en) | A kind of ten frequency range antenna for mobile phone of miniature ultra wide band | |
| CN101964451A (en) | Low-section mobile communication indoor cover patch antenna | |
| CN204668472U (en) | A kind of coupled handset antenna | |
| CN202797286U (en) | Four-frequency broadband impedance conversion type sleeve monopole antenna | |
| CN102969567A (en) | Communication device and method for increasing antenna operation bandwidth | |
| CN203760679U (en) | MIMO antenna structure suitable for multi-mode multi-band mobile phone terminal | |
| WO2012065429A1 (en) | Antenna device and mobile terminal |
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: 20150729 Termination date: 20190416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |