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CN204441460U - A kind of IFA antenna of novel wide-band - Google Patents

A kind of IFA antenna of novel wide-band Download PDF

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Publication number
CN204441460U
CN204441460U CN201520132511.9U CN201520132511U CN204441460U CN 204441460 U CN204441460 U CN 204441460U CN 201520132511 U CN201520132511 U CN 201520132511U CN 204441460 U CN204441460 U CN 204441460U
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CN
China
Prior art keywords
radiant body
antenna
novel wide
radiant
pcb board
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
Application number
CN201520132511.9U
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Chinese (zh)
Inventor
郑胜
牛俊伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yueqing Haitong Communication Electronic Co Ltd
Original Assignee
Yueqing Haitong Communication Electronic Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201520132511.9U priority Critical patent/CN204441460U/en
Application granted granted Critical
Publication of CN204441460U publication Critical patent/CN204441460U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The IFA antenna that the utility model provides a kind of novel wide-band comprises pcb board and the antenna body part of the mobile terminals such as mobile phone.Antenna body to be positioned on pcb board directly over empty regions and USB simultaneously.The feed part of antenna part is connected with pcb board feed signal end, and grounded part is connected with pcb board earth point.Antenna cabling is by a resonance with USB coupling generation high frequency, produce another high-frequency resonant additionally by the width and length that adjust the feed part of antenna and the gap of grounded part, realize meeting the ultra broadband bandwidth requirements of high frequency and the bandwidth requirements of 2G and 3G simultaneously.The IFA antenna of the novel wide-band that the utility model provides, can produce ultra broadband high-frequency resonant, also have a certain upgrade to the expansion of low frequency bandwidth.This kind of antenna can meet GSM and UMTS many band bandwidth requirements of mobile device simultaneously, and achieves the miniaturization of antenna, and is convenient to assembling.

Description

A kind of IFA antenna of novel wide-band
Technical field
The utility model relates to a kind of antenna, particularly a kind of IFA antenna of novel wide-band.
Background technology
Along with extensively popularizing of the mobile terminals such as smart mobile phone, pursue various design concept changing into more and more cellular telephone companies of ultra-thin outward appearance and radio function.Under the requirement of this design concept, increasing device can be placed at antenna area, thus cause the space environment of antenna to become increasingly complex.Under limited space environment, design the antenna for mobile phone meeting multiband demand and become difficult point.The miniaturized multifrequencyization of built-in mobile phone antenna is also a trend and direction of antenna for mobile phone industry development always.
The mobile terminal communication frequency ranges such as conventional cell phone comprise GSM850/GSM900/DCS/PCS/UMTS, and low-frequency range bandwidth is from 824MHz to 960MHz, and high band bandwidth is from 1710MHz to 2025MHz.Under antenna environment harsh conditions, more and more harsher to the requirement of Antenna Design, conventional antenna form is difficult to the requirement meeting wide-band bandwidth.
Utility model content
The purpose of this utility model is the IFA antenna providing a kind of novel wide-band, to solve the problem that conventional aerial form in existing mobile terminal is difficult to meet wide-band bandwidth requirement.
For achieving the above object, the utility model provides a kind of IFA antenna of novel wide-band, comprises antenna body, and described antenna body is positioned on pcb board, described pcb board is provided with USB and empty regions, the radiating element that described antenna body comprises feed element and is connected with feed element; Wherein, described feed element comprises grounded part and feed part, and described radiating element is positioned at described empty regions, and described radiating element is coupled with described USB.
Preferably, described radiating element comprises the first radiant body extended out from described feed element, and extend out and the second radiant body extended straight up along vertical plane from the first radiant body end, and from the 3rd radiant body extending longitudinally to side along horizontal plane level to the right that the second radiant body end extends out, and from the 4th radiant body extended straight down along vertical plane that the 3rd radiant body end extends out.
Preferably, described first radiant body comprises Part I and Part II, described Part I is extend out and the antenna cabling extended along plane from described feed part, described Part II is extend out and the antenna cabling extended along plane from described grounded part, forms a gap and end converges connection in the middle of described Part I and described Part II.
Preferably, described gap extends after extending to the position of described first radiant body zone line to the left and right sides, wherein, it is T-shape on the left of described gap, right side is " Z " type, the antenna cabling start-up portion that the vertical component of described T-shape is extended from feed part by described Part I and the antenna cabling start-up portion that described Part II extends from grounded part are formed, and are connected on the right side of described T-shape horizontal component with described " Z " type top.
Preferably, described second radiant body is extend out and the antenna cabling extended straight up along vertical plane from described first radiant body end, described second radiant body is communicated with the first radiant body, and the position be positioned at directly over USB, described radiating element is coupled with described USB by described second radiant body.
Preferably, described 3rd radiant body is described extend out from the second radiant body end and extend longitudinally to the antenna cabling of side along level to the right, and described 3rd radiant body is communicated with the second radiant body, and parallel with described first radiant body.
Preferably, described 4th radiant body is to extend out the antenna cabling extended straight down along vertical plane from described 3rd radiant body end, and described 4th radiant body is communicated with the 3rd radiant body, and parallel with described first radiant body.
Preferably, described first radiant body is communicated with the second radiant body, and the second radiant body is communicated with the 3rd radiant body, and the 3rd radiant body is communicated with the 4th radiant body, and these four radiant bodies form one " ㄇ " groove part gap.
Preferably, the total length of described first radiant body, the second radiant body, the 3rd radiant body and the 4th radiant body is frequency is 1/4 of the electromagnetic wavelength within the scope of 824MHz-960MHz.
Preferably, described grounded part is communicated with the earth point of described pcb board, and described feed part is communicated with the feed signal end of described pcb board.
The utility model discloses a kind of IFA antenna being applied to the novel wide-band of the mobile terminals such as mobile phone, comprise pcb board and the antenna body part of the mobile terminals such as mobile phone.The mobile terminal General Requirements USB such as mobile phone are positioned at the centre position bottom its pcb board, and thus antenna body of the present utility model to be positioned on pcb board directly over empty regions and USB simultaneously.The feed part of antenna part and pcb board feed signal end are connected, and grounded part and pcb board place are connected.Antenna cabling is by a resonance with USB coupling generation high frequency, produce another high-frequency resonant additionally by the width and length that adjust the feed part of antenna and the gap of grounded part, realize meeting the ultra broadband bandwidth requirements of high frequency and the bandwidth requirements of 2G and 3G with this simultaneously.The IFA antenna of a kind of novel wide-band that the utility model provides, can produce ultra broadband high-frequency resonant, and by adjustment antenna routing region, can effectively utilize maximum net Altitude, also have a certain upgrade to the expansion of low frequency bandwidth.The utility model antenna can meet GSM and UMTS many band bandwidth requirements of mobile device simultaneously, and achieves the miniaturization of antenna, and is convenient to assembling.
Accompanying drawing explanation
Fig. 1 is the antenna body floor map of the IFA antenna of novel wide-band of the present utility model;
Fig. 2 is the antenna body gap schematic diagram of the IFA antenna of novel wide-band of the present utility model;
Fig. 3 is the first radiator structure schematic diagram of the IFA antenna of novel wide-band of the present utility model;
Fig. 4 is environment and the structure assembling schematic diagram of the IFA antenna of novel wide-band of the present utility model;
Fig. 5 is the S11 test result figure of the IFA antenna of novel wide-band of the present utility model;
Fig. 6 A is the low frequency efficiency test result figure of the IFA antenna of novel wide-band of the present utility model;
Fig. 6 B is the high frequency efficiency test result figure of the IFA antenna of novel wide-band of the present utility model.
Embodiment
For better the utility model being described, hereby with a preferred embodiment, and accompanying drawing is coordinated to elaborate to the utility model, specific as follows:
Please refer to Fig. 1 to Fig. 3, be the mobile phone IFA antenna of a kind of novel wide-band that the present embodiment provides, it comprises an antenna body, this antenna body by and the USB coupling of the mobile terminal such as mobile phone produce broadband.Antenna body is positioned on the pcb board of the mobile terminals such as mobile phone, and antenna body comprises feed element and radiating element.Pcb board is provided with USB and a part of empty regions, and USB is positioned at the centre position, bottom of pcb board.Pcb board has two PAD points, one of them PAD 1 is communicated with feed signal end on pcb board, and another PAD 2 is communicated with the earth point on pcb board.And PAD 1 keeps being communicated with golden finger 100 part of antenna, golden finger 200 part of PAD 2 and antenna keeps being communicated with, golden finger 100 part (i.e. feed part) and golden finger 200 part (i.e. grounded part) this part define the feed element of antenna.Radiating element is connected with feed element, and radiating element is the antenna cabling extended out from feed element, and it is positioned at the empty regions of pcb board, and radiating element is coupled with the USB on pcb board.
Please refer to Fig. 1 to Fig. 3, in the present embodiment, radiating element comprises the first radiant body and the second radiant body and the 3rd radiant body and the 4th radiant body.A part for first radiant body is extend out and the antenna cabling extended along plane from golden finger 100 part, this some antennas cabling forms radiant body 101, another part is extend out and the antenna cabling extended along plane from golden finger 200 part, and this some antennas cabling forms radiant body 201.Radiant body 101 extends straight up, and extend to form radiant body 102 to the right in the horizontal direction at radiant body 101 end, radiant body 101 is vertical with radiant body 102, and common formation radiant body 111.Radiant body 201 extends straight up, and extend left in the horizontal direction at radiant body 201 end, after extending a segment distance, vertical direction upwards extends again, forms radiant body 202; At radiant body 202 end, then horizontal direction extends to form radiant body 203 to the right; At radiant body 203 end, at vertical direction to downward-extension, after extending a segment distance, horizontal direction extends to the right again, forms radiant body 204.And radiant body 201 and 202 and 203 and 204 forms radiant body 211 jointly.To converge with radiant body 102 end at radiant body 204 end and be communicated with.Radiant body 111 (Part I) and radiant body 211 (Part II) form the first radiant body, 301 parts namely in Fig. 1 jointly.
Radiant body 101 placement parallel with radiant body 201, form gap 01, gap 01 extends to the first radiant body zone line position, extends to form gap 020 perpendicular to gap 01 to both sides, and gap 020 and gap 01 form the shape of " T "; Gap 020 extends to the right, and the end in gap 020 again vertical direction, to downward-extension, forms gap 021; Gap 021 to downward-extension, gap 021 end again horizontal direction extend to form gap 022 to the right.The length in gap 022 is less than the length of radiant body 102.Gap 020, gap 021 and gap 021 form gap 02 jointly, and gap 02 is " Z " type.
The gap 01 that radiating element is formed can change the bandwidth of low-frequency range, can be changed Q value and the bandwidth of low band resonance by the length adjusting gap 01.
Gap 02 produces a resonance of high frequency, and by adjusting the length in gap 02, the resonance that can control this high frequency offsets between 1880MHz-2025MHz.
Please refer to Fig. 1 to Fig. 3, in the present embodiment, the second radiant body extends out from radiant body 102 and radiant body 204 meet, along one section of antenna cabling that vertical direction upwards extends, and 302 parts namely in Fig. 1.Second radiant body is vertical with the first radiant body, and forms gap 030 between the second radiant body and the first radiant body.In the present embodiment, the second radiant body is just in time positioned at directly over USB.Radiating element is coupled with USB by the second radiant body, by the second radiant body and USB coupling, can produce a resonance of high frequency.And pass through the size of adjustment second radiant body and USB coupling area, this high-frequency resonant can be controlled and offset between 1710MHz-1880MHz.
Please refer to Fig. 1 to Fig. 3, in the utility model, the 3rd radiant body is extend out from the end of the second radiant body, and extends longitudinally to one section of antenna cabling of side to the right along horizontal plane level, 303 parts namely in Fig. 1.3rd radiant body and the first radiant body be arranged in parallel, and vertically with the second radiant body place, and and form gap 031 between the first radiant body.
Please refer to Fig. 1 to Fig. 3, in the utility model, the 4th radiant body is for extend out from the 3rd radiant body end, and along one section of antenna cabling that vertical plane extends straight down, 304 parts namely in Fig. 1.4th radiant body is vertical with the 3rd radiant body to be arranged, and with the parallel placement of the first radiant body.Gap 032 is formed between 4th radiant body and the first radiant body.
Gap 030 and gap 031 and these three gap one lines of gap 032 through, jointly form gap 03, gap 03 is in " ㄇ " type, and gap 032 end no longer converges with antenna body and is communicated with.
First radiant body and the second radiant body and the 3rd radiant body and the 4th radiant body form low band resonance jointly, be 1/4 of the electromagnetic wavelength within the scope of 824MHz-960MHz by adjust the total length of these four radiant bodies be frequency, this low band resonance can be controlled and offset between 824MHz-960MHz.
Please refer to Fig. 4, the Installation Example schematic diagram of antenna in the present embodiment on mobile phone, second radiating element of antenna body is positioned at directly over the USB on this Mobile phone PCB, and be coupled with USB, but the utility model is not limited thereto, in different mobile phones, USB may be positioned at the diverse location of pcb board, then the second radiating element next-door neighbour USB is arranged, and makes it be coupled with USB preferably.As seen from Figure 4, this antenna structure comparatively simply, needs the area of use very little, and by adjustment antenna routing region, place best for antenna environment all can be used, energy maximum possible promotes the efficiency of antenna.
Please refer to Fig. 5, can find out that the antenna that the present embodiment provides is 824MHz in sampled point 1 place frequency, S11 is-7.0025dB, be 960MHz, S11 is-6.5339dB in sampled point 2 place frequency, at sampled point 3 place, frequency is 1710MHz, S11 is-9.7168dB, be 1880MHz, S11 is-9.1279dB in sampled point 4 place frequency, be 2025MHz, S11 in sampled point 5 place frequency be-14.985dB.This test result shows that the loss of this antenna is less, can meet the requirement of antenna for mobile phone preferably.Please refer to Fig. 6 A and 6B, can find out this antenna low-frequency range and high band efficiency of transmission better.To sum up, this antenna can meet low-frequency range (824MHz-960MHz) and high band (1710MHz-2025MHz) bandwidth demand preferably simultaneously.
In addition, IFA antenna of the present utility model adopts the material that FPC is conventional, and structure is simple, processing and easy to assembly.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; any those skilled in the art is in the technical scope that the utility model discloses; the distortion do the utility model or replacement, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.

Claims (10)

1. an IFA antenna for novel wide-band, is characterized in that, comprise antenna body, and described antenna body is positioned on pcb board, and described pcb board is provided with USB and empty regions, the radiating element that described antenna body comprises feed element and is connected with feed element; Wherein, described feed element comprises grounded part and feed part, and described radiating element is positioned at described empty regions, and described radiating element is coupled with described USB.
2. the IFA antenna of novel wide-band according to claim 1, it is characterized in that, described radiating element comprises the first radiant body extended out from described feed element, extend out from the first radiant body end and the second radiant body extended straight up along vertical plane, from the 3rd radiant body extending longitudinally to side along horizontal plane level to the right that the second radiant body end extends out, and from the 4th radiant body extended straight down along vertical plane that the 3rd radiant body end extends out.
3. the IFA antenna of novel wide-band according to claim 2, it is characterized in that, described first radiant body comprises Part I and Part II, described Part I is extend out and the antenna cabling extended along plane from described feed part, described Part II is extend out and the antenna cabling extended along plane from described grounded part, forms a gap and end converges connection in the middle of described Part I and described Part II.
4. the IFA antenna of novel wide-band according to claim 3, it is characterized in that, described gap extends after extending to the position of described first radiant body zone line to the left and right sides, wherein, it is T-shape on the left of described gap, right side is " Z " type, the antenna cabling start-up portion that the vertical component of described T-shape is extended from feed part by described Part I and the antenna cabling start-up portion that described Part II extends from grounded part are formed, and are connected on the right side of described T-shape horizontal component with described " Z " type top.
5. the IFA antenna of the novel wide-band according to Claims 2 or 3, it is characterized in that, described second radiant body is extend out and the antenna cabling extended straight up along vertical plane from described first radiant body end, described second radiant body is communicated with the first radiant body, and the second radiant body is positioned at the position directly over described USB, described radiating element is coupled with described USB by described second radiant body.
6. the IFA antenna of novel wide-band according to claim 2, it is characterized in that, described 3rd radiant body is described extend out from the second radiant body end and extend longitudinally to the antenna cabling of side along level to the right, described 3rd radiant body is communicated with the second radiant body, and parallel with described first radiant body.
7. the IFA antenna of novel wide-band according to claim 2, it is characterized in that, described 4th radiant body is to extend out the antenna cabling extended straight down along vertical plane from described 3rd radiant body end, described 4th radiant body is communicated with the 3rd radiant body, and parallel with described first radiant body.
8. the IFA antenna of novel wide-band according to claim 2, it is characterized in that, described first radiant body is communicated with the second radiant body, and the second radiant body is communicated with the 3rd radiant body, 3rd radiant body is communicated with the 4th radiant body, and these four radiant bodies form one " ㄇ " groove part gap.
9. the IFA antenna of novel wide-band according to claim 2, is characterized in that, the total length of described first radiant body, the second radiant body, the 3rd radiant body and the 4th radiant body is frequency is 1/4 of the electromagnetic wavelength within the scope of 824MHz-960MHz.
10. the IFA antenna of novel wide-band according to claim 1 and 2, is characterized in that, described grounded part is communicated with the earth point of described pcb board, and described feed part is communicated with the feed signal end of described pcb board.
CN201520132511.9U 2015-03-09 2015-03-09 A kind of IFA antenna of novel wide-band Expired - Fee Related CN204441460U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108321515A (en) * 2018-01-04 2018-07-24 瑞声科技(新加坡)有限公司 A kind of antenna system and mobile terminal
CN108631800A (en) * 2018-05-09 2018-10-09 深圳市盛路物联通讯技术有限公司 Internet of Things low-power consumption radio circuit and terminal
CN111864350A (en) * 2019-04-29 2020-10-30 北京小米移动软件有限公司 Antennas and Terminals
CN115064861A (en) * 2022-06-22 2022-09-16 九井互联(北京)数字技术有限公司 USB wireless data transmission terminal with ultra-wideband antenna

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108321515A (en) * 2018-01-04 2018-07-24 瑞声科技(新加坡)有限公司 A kind of antenna system and mobile terminal
CN108321515B (en) * 2018-01-04 2021-06-15 瑞声科技(新加坡)有限公司 Antenna system and mobile terminal
CN108631800A (en) * 2018-05-09 2018-10-09 深圳市盛路物联通讯技术有限公司 Internet of Things low-power consumption radio circuit and terminal
CN108631800B (en) * 2018-05-09 2020-11-27 深圳市盛路物联通讯技术有限公司 Low-power-consumption radio frequency circuit and terminal of Internet of things
CN111864350A (en) * 2019-04-29 2020-10-30 北京小米移动软件有限公司 Antennas and Terminals
CN111864350B (en) * 2019-04-29 2021-08-24 北京小米移动软件有限公司 Antennas and Terminals
US11165153B2 (en) * 2019-04-29 2021-11-02 Beijing Xiaomi Mobile Software Co., Ltd. Antenna and terminal
CN115064861A (en) * 2022-06-22 2022-09-16 九井互联(北京)数字技术有限公司 USB wireless data transmission terminal with ultra-wideband antenna
CN115064861B (en) * 2022-06-22 2023-01-10 九井互联(北京)数字技术有限公司 USB wireless data transmission terminal with ultra-wideband antenna

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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: 20150701

Termination date: 20190309

CF01 Termination of patent right due to non-payment of annual fee