CN203774450U - Novel annular mobile phone antenna containing parasitic element coupled feeding - Google Patents
Novel annular mobile phone antenna containing parasitic element coupled feeding Download PDFInfo
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- CN203774450U CN203774450U CN201420073191.XU CN201420073191U CN203774450U CN 203774450 U CN203774450 U CN 203774450U CN 201420073191 U CN201420073191 U CN 201420073191U CN 203774450 U CN203774450 U CN 203774450U
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- mobile phone
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- parasitic element
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Abstract
The utility model relates to a novel annular mobile phone antenna containing parasitic element coupled feeding, which comprises an annular radiator, a parasitic element, an antenna bracket, a PCB ground board, a PCB substrate and a coupled feeding unit, wherein the antenna adopts the coupled feeding unit to feed the annular antenna; the annular antenna radiator forms a folded ring by a first radiation branch, a second radiation branch and a third radiation branch, and the folded ring is connected with the PCB ground board; the PCB ground board is printed on the PCB substrate; the antenna bracket is located above a non-ground-covering part of the PCB substrate and located at the same side as the PCB ground board; the coupled feeding unit is printed on the non-ground-covering part of the PCB substrate and located at the side opposite to the PCB ground plate; and the coupled feeding unit is composed of an inverted L-shaped structure and an F-shaped structure back to back. The impedance bandwidth of the annular antenna is adjusted in a relative independent mode, thereby being convenient to be designed and debugged. The novel annular mobile phone antenna provided by the utility model has the advantages of convenient adjustment, low profile, large number of frequency bands, and abilities of meeting design requirements of mobile phones at present and having practical application values.
Description
Technical field
The present invention relates to the built-in mobile phone Antenna Design of wireless communication field, particularly a kind of novel annular mobile phone antenna containing parasitic element coupling feed.
Background technology
Along with 21 century mobile communication technology and the develop rapidly in market, under the acting in conjunction of new technology and the market demand, future mobile will present following a few main trend: Network datumization, packetizing, and mobile Internet progressively forms; Network technology digitlization, broadband; The network equipment is intelligent, miniaturization; Be applied to higher frequency range, effectively utilize frequency; Mobile network's synthesization, globalization, individualized; The fusion of diverse network; Two-forty, high-quality, low expense.This is the direction and goal of the third generation (3G) and even (4G) the mobile communication technology development of the 4th generation just.In the fast development of various mobile communication technologies, antenna is as " window " of these equipment, and its effect is indubitable.
And mobile phone in wireless communication technology equipment structurally develops into large-screen, section is low, integrated increasing communication standard on working frequency range.The foundation of Long Term Evolution communication system (LTE) and application thereof have further increased the communications band of mobile phone.Therefore, the development trend of antenna for mobile phone is: it is lower that structure is tending towards section by low section in the past, and working frequency range is developed into and met the many mobile communication standards of 2G/3G/LTE frequency range by the 2G/3G mobile communication standard frequency range that can meet in the past.
Loop antenna section is low and can produce multi resonant and shake, and broadband is wider, starts to be widely applied.Prior art provides several loop antennas, has the loop antenna of direct feed to be operated in 0.5,1,1.5 wavelength and produces wide bandly, has and widens wide bandly by loading further generation extra resonance, also has by coupling feed and expands bandwidth.Yet these antenna can't meet the job requirement of many mobile communication of 2G/3G/LTE standard frequency range.The innovation and creation that the patent name that to disclose application number on patent network be " 201210347242.9 " is " covering the small size flat plane antennas of five frequency ranges ", wherein also told about and how to have expanded bandwidth, but, the antenna of this technology is mainly that covering 824-901MHz and 1710-2170MHz five each and every one commonly use frequency range (GSM850/900/ GSM1800/1900/ UMTS2100), makes other bandwidth or frequency range still restricted.
At present, the main difficulty that design antenna for mobile phone faces is: the antenna for mobile phone of how designing less, the low section of size in given environment, can realizing multiple frequency broad band work, low cost and be easy to process.And current main flow mobile phone is to meet multi-functional requirement to be generally provided with the port of various transfer of data at the edge of antenna, thereby reserve minimum isolation distance for Antenna Design, increased the design difficulty of antenna.
Utility model content
In order to overcome the above-mentioned shortcoming of prior art, in order to overcome the deficiencies in the prior art, the utility model object is: by a kind of novel annular mobile phone antenna containing parasitic element coupling feed is provided, meeting under current mobile phone requires the low section of antenna, widen the beamwidth of antenna, meet the requirement that multifunction intelligent mobile telephone is operated in the work of various kinds of mobile communication standard frequency range.Especially be applied to the built-in mobile phone Antenna Design of GSM850/GSM900/DCS1800/PCS1900/LTE 2.3GHz/LTE 2.6GHz multi-frequency band mobile communication standard mobile phone.
The utility model solves the technical scheme that its technical problem adopts:
A novel annular mobile phone antenna containing parasitic element coupling feed, comprises ring radiation body, parasitic element, antenna holder, PCB floor, PCB substrate and coupling feed element, wherein: described antenna adopts coupling feed element to loop aerial feed; Described ring-like radiant body forms puckered ring by the first radiation branch, the second radiation branch and the 3rd radiation branch, and described puckered ring is connected with PCB floor; Described PCB floor printing is on PCB substrate; Described antenna holder be positioned at PCB substrate not with the top of PCB ground plate portion and with the same side, PCB floor; Described coupling feed element is printed on PCB substrate and is not with PCB ground plate portion, is positioned at the relative side in PCB floor; Described coupling feed element consists of back-to-back " L " shape structure of standing upside down and " F " shape structure.
As further improvement of the utility model: " L " shape structure of standing upside down in described coupling feed element is for regulating antenna low-frequency resonant element; Described " F " shape structure is for regulating antenna high-frequency resonant element.
As further improvement of the utility model: described parasitic element is " ━ " shape structure.
As further improvement of the utility model: the second described radiation branch and the 3rd radiation branch respectively have widened section.
As further improvement of the utility model: there are the first fluting unit and the second fluting unit in described loop aerial and junction, PCB floor.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model antenna, low-frequency range, high band band bandwidth are wider, can be satisfied with the requirement of multifunction intelligent mobile telephone to various kinds of mobile communication standard frequency range.Especially require the mobile phone of GSM850/GSM900/DCS1800/PCS1900/LTE 2.3GHz/LTE 2.6GHz various kinds of mobile communication standard frequency range.
2, adopt the mode FD feed of coupling feed, rather than general direct connected mode FD feed.
3, the mode of employing coupling feed is widened the bandwidth of antenna low-frequency range, high band.
4, the branch of coupling feed element regulates respectively the resonance of low-frequency range and high band, has increased the degree of freedom of product design.
5, increase parasitic element, widened the impedance bandwidth of antenna, be convenient to the fine setting of antenna, reduced manufacture and material tolerances susceptibility, be easy to processing and debugging.
6, increase fluting unit, floor, regulated the high-frequency resistance bandwidth of antenna, further increased the facility of antenna fine setting.
7, antenna holder medium, adopts air or foam, have simple in structure, be easy to the advantages such as processing, cost is lower.
Accompanying drawing explanation
Fig. 1 is the agent structure schematic diagram of this practical new a kind of novel annular mobile phone antenna containing parasitic element coupling feed;
Fig. 2 is that this practical loop aerial is at the schematic diagram of the plane outspread drawing of pcb board upper part antenna;
Fig. 3 is that this practical loop aerial is printing pcb board schematic diagram, comprises coupling feed part, is printed on loop aerial component and PCB floor on pcb board;
Fig. 4 is the stickogram of this practical loop aerial, the S11 comparing result of actual measurement and emulation.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Referring to Fig. 1 to Fig. 4, a kind of novel annular mobile phone antenna containing parasitic element coupling feed, comprise ring radiation body, parasitic element 14, antenna holder 40, PCB floor 20, PCB substrate 50 and coupling feed element 30, wherein: described antenna adopts 30 pairs of loop aerial feeds of coupling feed element; Described ring-like radiant body forms puckered ring by the first radiation branch 11, the second radiation branch 12 and the 3rd radiation branch 13, and described puckered ring is connected with PCB floor 20; Described PCB floor 20 is printed on PCB substrate 50; Described antenna holder 40 be positioned at PCB substrate 50 not with the top of PCB floor 20 parts and with 20 the same sides, PCB floor; Described coupling feed element 30 is printed on PCB substrate 50 and is not with PCB floor 20 parts, is positioned at the relative side in PCB floor 20; Described coupling feed element 30 consists of back-to-back " L " shape structure of standing upside down and " F " shape structure.
" L " shape structure 301 of standing upside down in described coupling feed element 30 is for regulating antenna low-frequency resonant element; Described " F " shape structure is for regulating antenna high-frequency resonant element.This structure is that design and the debugging work of antenna is provided convenience.
Described parasitic element 14 is " ━ " shape structure.Described parasitic element 14 is further held in the palm the bandwidth of having widened antenna, is convenient to the fine setting of antenna.
Described the second radiation branch 12 and the 3rd radiation branch 13 respectively have widened section; Described widened section 121 places and 131 places are for regulating the impedance bandwidth of antenna.
There are the first fluting unit 21 and the second fluting unit 22 in described loop aerial and 20 junctions, PCB floor.On antenna floor, have two grooves for regulating the high-frequency resistance bandwidth of antenna.
In sum; those of ordinary skill in the art reads after the utility model file; according to the technical solution of the utility model and technical conceive, without creative mental labour, make other various corresponding conversion scheme, all belong to the scope that the utility model is protected.
Claims (5)
1. a novel annular mobile phone antenna containing parasitic element coupling feed, comprise ring radiation body, parasitic element, antenna holder, PCB floor, PCB substrate and coupling feed element, it is characterized in that: described antenna adopts coupling feed element to loop aerial feed; Described ring-like radiant body forms puckered ring by the first radiation branch, the second radiation branch and the 3rd radiation branch, and described puckered ring is connected with PCB floor; Described PCB floor printing is on PCB substrate; Described antenna holder be positioned at PCB substrate not with the top of PCB ground plate portion and with the same side, PCB floor; Described coupling feed element is printed on PCB substrate and is not with PCB ground plate portion, is positioned at the relative side in PCB floor; Described coupling feed element consists of back-to-back " L " shape structure of standing upside down and " F " shape structure.
2. a kind of novel annular mobile phone antenna containing parasitic element coupling feed as claimed in claim 1, is characterized in that: " L " shape structure of standing upside down in described coupling feed element is for regulating antenna low-frequency resonant element; Described " F " shape structure is for regulating antenna high-frequency resonant element.
3. a kind of novel annular mobile phone antenna containing parasitic element coupling feed as claimed in claim 1, is characterized in that: described parasitic element is " ━ " shape structure.
4. a kind of novel annular mobile phone antenna containing parasitic element coupling feed as claimed in claim 1, is characterized in that: the second described radiation branch and the 3rd radiation branch respectively have widened section.
5. a kind of novel annular mobile phone antenna containing parasitic element coupling feed as claimed in claim 1, is characterized in that: there are the first fluting unit and the second fluting unit in described loop aerial and junction, PCB floor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420073191.XU CN203774450U (en) | 2013-08-22 | 2014-02-20 | Novel annular mobile phone antenna containing parasitic element coupled feeding |
Applications Claiming Priority (3)
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CN201320512785 | 2013-08-22 | ||
CN201320512785.1 | 2013-08-22 | ||
CN201420073191.XU CN203774450U (en) | 2013-08-22 | 2014-02-20 | Novel annular mobile phone antenna containing parasitic element coupled feeding |
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CN203774450U true CN203774450U (en) | 2014-08-13 |
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CN201420073191.XU Expired - Fee Related CN203774450U (en) | 2013-08-22 | 2014-02-20 | Novel annular mobile phone antenna containing parasitic element coupled feeding |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106602229A (en) * | 2016-10-31 | 2017-04-26 | 惠州Tcl移动通信有限公司 | Foldable annular antenna and electronic device |
CN107104276A (en) * | 2017-04-11 | 2017-08-29 | 惠州Tcl移动通信有限公司 | Back of the body feedback manifold type folded coil antenna and mobile terminal |
CN111326857A (en) * | 2020-03-03 | 2020-06-23 | 普联技术有限公司 | Multi-frequency antenna structure and communication equipment |
WO2021082912A1 (en) * | 2019-10-31 | 2021-05-06 | 华为技术有限公司 | Mobile terminal |
CN112952384A (en) * | 2021-01-27 | 2021-06-11 | 维沃移动通信有限公司 | Antenna assembly and electronic equipment |
CN114824768A (en) * | 2022-03-31 | 2022-07-29 | 上海创功通讯技术有限公司 | Loop antenna and TWS earphone |
-
2014
- 2014-02-20 CN CN201420073191.XU patent/CN203774450U/en not_active Expired - Fee Related
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106602229A (en) * | 2016-10-31 | 2017-04-26 | 惠州Tcl移动通信有限公司 | Foldable annular antenna and electronic device |
CN106602229B (en) * | 2016-10-31 | 2019-08-16 | 惠州Tcl移动通信有限公司 | Folded coil antenna and electronic equipment |
CN107104276A (en) * | 2017-04-11 | 2017-08-29 | 惠州Tcl移动通信有限公司 | Back of the body feedback manifold type folded coil antenna and mobile terminal |
CN107104276B (en) * | 2017-04-11 | 2019-06-21 | 惠州Tcl移动通信有限公司 | Back feedback manifold type folded coil antenna and mobile terminal |
WO2021082912A1 (en) * | 2019-10-31 | 2021-05-06 | 华为技术有限公司 | Mobile terminal |
CN114824754A (en) * | 2019-10-31 | 2022-07-29 | 华为技术有限公司 | Mobile terminal |
CN114824754B (en) * | 2019-10-31 | 2023-08-22 | 华为技术有限公司 | mobile terminal |
CN111326857A (en) * | 2020-03-03 | 2020-06-23 | 普联技术有限公司 | Multi-frequency antenna structure and communication equipment |
CN111326857B (en) * | 2020-03-03 | 2022-10-14 | 普联技术有限公司 | Multi-frequency antenna structure and communication equipment |
CN112952384A (en) * | 2021-01-27 | 2021-06-11 | 维沃移动通信有限公司 | Antenna assembly and electronic equipment |
CN112952384B (en) * | 2021-01-27 | 2023-12-29 | 维沃移动通信有限公司 | Antenna assembly and electronic equipment |
CN114824768A (en) * | 2022-03-31 | 2022-07-29 | 上海创功通讯技术有限公司 | Loop antenna and TWS earphone |
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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: 20140813 Termination date: 20160220 |
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CF01 | Termination of patent right due to non-payment of annual fee |