CN203674398U - Mobile terminal metal antenna - Google Patents

Mobile terminal metal antenna Download PDF

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Publication number
CN203674398U
CN203674398U CN201320852580.8U CN201320852580U CN203674398U CN 203674398 U CN203674398 U CN 203674398U CN 201320852580 U CN201320852580 U CN 201320852580U CN 203674398 U CN203674398 U CN 203674398U
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CN
China
Prior art keywords
radiant body
conductor
antenna
mobile terminal
distributing point
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Expired - Fee Related
Application number
CN201320852580.8U
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Chinese (zh)
Inventor
何其娟
孙劲
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Shanghai Amphenol Airwave Communication Electronics Co Ltd
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Shanghai Amphenol Airwave Communication Electronics Co Ltd
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Priority to CN201320852580.8U priority Critical patent/CN203674398U/en
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Publication of CN203674398U publication Critical patent/CN203674398U/en
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Abstract

The utility model discloses a mobile terminal metal antenna disposed on a mobile terminal. The mobile terminal comprises a metallic body, a display screen, a first non-conductor, a second non-conductor, a main antenna, and an auxiliary antenna. The first non-conductor and the second non-conductor are both closed ring bodies. The main antenna and the auxiliary antenna are respectively arranged on the two ends of the metallic body. The metallic body is separated from the main antenna and the auxiliary antenna through the first non-conductor and the second non-conductor. The main antenna comprises a first feeding point, a first radiator, a second radiator, an isolating non-conductor, and a grounding circuit. The first feeding point is disposed at the first non-conductor where the metallic body is connected with the first radiator, and is close to the top of a side of the first radiator. The grounding circuit is connected with the metallic body. The isolating non-conductor is connected with the first radiator and the second radiator. The first radiator and the second radiator are both isolated from the metallic body. The mobile terminal metal antenna is simple in structure, easy to produce, and effectively improved in a wide bandwidth characteristic of the antenna.

Description

A kind of mobile terminal metal antenna
Technical field
The utility model relates to communication antenna field, relates in particular to a kind of mobile terminal metal antenna.
Background technology
Miniaturized multiband built-in aerial is the developing direction of hand-held communication terminal antenna always, existing antenna form comprises multi-frequency monopole sub antenna (monopole antenna), monocycle or double loop antenna (single loop and dual loop antenna), is inverted folded antenna (IFA), planar inverted folded antenna (PIFA), these antenna type respectively has condition and the performance of its use in different hand-held communication terminal environment, can select different antenna forms according to different demands in use.
Conventionally, mobile terminal device comprises GSM850/900, DCS, PCS and UMTS, its frequency range is 0.824GHz-0.96GHz and 1.71GHz-2.17GHz, along with the development of LTE technology, 700MHz, 3.5GHz and 4GHz frequency receive much concern, more and more many mobile terminals need antenna to meet traditional 2G network and LTE frequency range simultaneously, and therefore the development of mobile terminal device is also more and more diversified.
For example, Iphone series mobile phone has all courageously used part mobile phone hardware to participate in radiation as a part for antenna from 4 series to 5 series in the prior art, and wherein, Iphone 4 is becket antenna, and Iphone 5 is dynamic metal loop antenna; And HTC one also uses the part of crown cap as antenna; Wherein, the hardwares such as becket or crown cap participate in Antenna Design, are conducive to the further integrated of mobile phone and antenna, and improve the utilance of the confined space, size reduction.
And, have in the prior art and much realize the method for metal as a part for antenna, as the publication number European patent that is EP1858112B1 adopts the form of slot antenna, a part using metallic plate (printed board PWB) as antenna, publication number is in the disclosed technology of the United States Patent (USP) of US2012206302A1, antenna radiator is placed in the above and below of metal shell or left and right side, thereby use as antenna, and specifically disclosing metal shell one end is low-frequency antenna, the other end is high frequency antenna, thereby implement a kind of double-fed structure (Dual feed), if only use a distributing point, double-fed structure needs duplexer (diplexer) to realize, simultaneously, this antenna structure needs Supporting Media (substrate) and antenna cover medium (dielectric antenna cover), for convenience of the fluting of feed, low-and high-frequency takies larger space for two antennas independently, and need to consider isolating problem simultaneously.
Therefore, cover the problem of 700MHz-960Mhz and 1720MHz-2170MHz in order to solve metal shell individual antenna wideband, and better adapt to large-screen mobile phone and can be for other antenna headspaces, if metal shell top is LTE(Long Term Evolution) diversity antenna, GPS(Global Position System) antenna and WIFI(Wireless Fidelity, IEEE standard 802.11) antenna space, a kind of metal antenna that is easy to realization that is applicable to mobile phone terminal must be proposed, not only simple in structure, and it is better to realize technical performance.
Utility model content
In order to overcome the defect of prior art, the utility model aims to provide a kind of simple in structure, easily realizes its antenna structure, and covers the mobile terminal metal antenna of wider bandwidth.
To achieve these goals, the utility model provides a kind of mobile terminal metal antenna, be arranged on a mobile terminal, this mobile terminal comprises metal master, display screen, the first non-conductor, the second non-conductor, main antenna and slave antenna, described the first non-conductor and the second non-conductor are a closed ring body, described main antenna and described slave antenna lay respectively at the two ends of described metal master, by described the first non-conductor and described the second non-conductor, described metal master are separated with described main antenna and described slave antenna respectively; Described main antenna comprises the first distributing point, the first radiant body, the second radiant body, isolation non-conductor and earthed circuit, described the first distributing point is positioned at the first non-conductor place that described metal master is connected with described the first radiant body, and the side top of close described the first radiant body; Described isolation non-conductor is C shape, and described isolation non-conductor head and the tail are connected with described the first non-conductor, and the idioelectric width of described isolation is 0.5-2mm; Described earthed circuit is connected with described metal master, and described isolation non-conductor connects respectively described the first radiant body and described the second radiant body, and described the first radiant body and described the second radiant body are isolated with described metal master respectively.
Preferably, described mobile terminal metal antenna also comprises the second distributing point, and described the second distributing point is arranged on described the second radiant body and described first idioelectric junction.
Preferably, the inner hollow out of described the first radiant body is L-shaped, and described the first radiant body inside arranges loud speaker sender; Described the first radiant body below or top place described the second radiant body, described the second radiant body is strip.
Preferably, described the first distributing point and described earthed circuit are positioned at the not homonymy of metal master, described the first radiant body is by connecting described the first distributing point direct feed, and described the second radiant body is realized feed by described isolation non-conductor and described the first radiant body coupling.
Preferably, described the first radiant body is connected respectively described the first distributing point and described the second distributing point with described the second radiant body, and described the first radiant body and described the second radiant body feed respectively.
Preferably, described earthed circuit is connected with described metal master with inductive bank zoarium or variable capacitor by Zero-ohm resistor or electric capacity, thereby realizes wider bandwidth.
Preferably, described slave antenna is other auxiliary antennas, as gps antenna, WIFI antenna or diversity antenna.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model is by adopting mobile terminal metal antenna, by the idioelectric different set-up modes of distributing point, radiant body and isolation, realize the wider bandwidth of this antenna, and, by the different feeding classifications of this distributing point and radiant body, make this antenna can realize according to the position difference of the connection distributing point of radiant body the adjusting of different low-and high-frequency, make main antenna cover bandwidth wider.
2, mobile terminal metal antenna of the present utility model, is formed and is arranged on mobile terminal by distributing point, radiant body, non-conductor and earthed circuit, thereby realizes the frequency coverage of this mobile terminal; This metal antenna is not only simple in structure, and easily realizes the metal appearance of its cover tape wide region and mobile terminal, makes this mobile terminal have the characteristic of wide bandwidth.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the mobile terminal of the utility model the first embodiment enforcement;
Fig. 2 is front and the lateral plan of the mobile terminal of the utility model the first embodiment enforcement;
Fig. 3 is the structural representation of the mobile terminal metal antenna of the utility model the first embodiment enforcement;
Fig. 4 is the explosive view of the mobile terminal metal antenna of the utility model the first embodiment enforcement;
Fig. 5 is the mobile terminal structure schematic diagram that the utility model the second embodiment implements;
Fig. 6 is front and the lateral plan of the mobile terminal of the utility model the second embodiment enforcement;
Fig. 7 is the explosive view of the mobile terminal metal antenna of the second embodiment of the utility model enforcement.
Symbol list:
10-mobile terminal, 11-metal master, 12-display screen, 13-the first non-conductor, 14-main antenna, 140-the first distributing point, 141-the first radiant body, 142-isolates non-conductor, 143-the second radiant body, 144-earthed circuit, 145-the second distributing point, 15-the second non-conductor, 16-slave antenna;
20-mobile terminal, 21-metal master, 22-display screen, 23-the first non-conductor, 24-main antenna, 240-the first distributing point, 241-the first radiant body, 242-isolates non-conductor, 243-the second radiant body; 244-earthed circuit, 25-the second non-conductor, 26-slave antenna.
embodiment:
Referring to the accompanying drawing that the utility model embodiment is shown, below will describe in more detail the utility model.But the utility model can be with realizations such as multi-form, specifications, and should not be construed as the restriction of the embodiment being subject in this proposition.On the contrary, it is abundant and complete open in order to reach proposing these embodiment, and makes more relevant those skilled in the art person understand scope of the present utility model completely.In these accompanying drawings, for clearly visible, may zoom in or out relative size.
The first embodiment
As shown in Figures 1 to 4, the mobile terminal metal antenna of the first embodiment that the utility model provides, as depicted in figs. 1 and 2, this mobile terminal metal antenna is arranged on mobile terminal 10, wherein, this mobile terminal 10 comprises metal master 11, display screen 12, the first non-conductor 13, the second non-conductor 15, main antenna 14 and slave antenna 16, this mobile terminal 10 also comprises that other structures are as button, loud speaker, camera or USB etc., this display screen 12 is data image display unit, there is tangible characteristic, and size is at least 4.7 inches; This metal master 11 is metal or the alloy with electric conductivity, the profile of making metal master as shown in Figure 1 by the technique such as milling, forging and stamping, and the long 130mm of this metal master 11, and wide 68mm, thickness D is 5mm-10mm; This first non-conductor 13 and the second non-conductor 15 are the closed ring body of width 0.5mm-2mm, this first non-conductor 13 is connected respectively main antenna 14 and slave antenna 16 one-body molded with metal master 11 with the second non-conductor 15, thereby this metal master 11 and main antenna 14 and slave antenna 16 are separated.
Wherein, as Fig. 1, and with reference to shown in figure 3, this main antenna 14 and slave antenna 16 lay respectively at the two ends of metal master 11, and this main antenna 14 and slave antenna 16 have the features such as multiple surfaces, chamfering, curved surface, can also have multiple engraved structure, as loud speaker sender, earphone jack, USB jack etc., and this main antenna 14 and slave antenna 16 are hollow lid-like, and its inside can comprise loud speaker, USB or earphone etc.
And, as shown in Figure 4, this main antenna 14 comprises the first distributing point 140, the second distributing point 145, the first radiant body 141, the second radiant body 143, isolation non-conductor 142 and earthed circuit 144, this first distributing point 140 is positioned at the first non-conductor 13 places that metal master 11 is connected with the first radiant body 141, and near the first radiant body 141 side tops, the second distributing point 145 is positioned at the junction of the second radiant body 143 and the first non-conductor 142; This isolation non-conductor 142 connects the first radiant body 141 and the second radiant body 143, for isolating between this first radiant body 141 and the second radiant body 143 and metal master 11, this isolation non-conductor 142 is C shape, and these isolation non-conductor 142 head and the tail are connected with the first non-conductor 13, and its width is 0.5mm-2mm; Wherein, the inner hollow out of this first radiant body 141 is L-shaped, and be provided with loud speaker sender, this first radiant body 143 produces low-frequency resonant, frequency range is 700MHz-900MHz, and this first radiant body 141 is placed with the second radiant body 143 below, the elongated shape of this second radiant body 143, and this second radiant body 143 produces high-frequency resonant, frequency range is 1700MHz-2100MHz.
In specific implementation process, this earthed circuit 144 is positioned at the same side of the first distributing point 140, and earthed circuit 144 is connected with metal master 11, wherein, can connect by three kinds of modes, mode one: be connected with metal master by Zero-ohm resistor, mode two: be connected with metal master after the combination by electric capacity and inductance, mode three: will be connected with metal master by diode, variable capacitor or switch, the narrow bandwidth of the main antenna that the main antenna bandwidth ratio mode two realizing due to mode one realizes, mode three is than being easier to realize wide bandwidth; But, in the present embodiment, generally adopt Zero-ohm resistor to be connected with metal master, not only obtain wider bandwidth, and it is more stable to obtain bandwidth.And, in the present embodiment, realize and being connected of metal master by this Zero-ohm resistor, this main antenna covering low frequency GSM850/GSM900 signal, frequency range is 824MHz-960MHz; And can cover high frequency DCS/PCS signal, frequency range is 1710MHz-1990MHz.If this earthed circuit 144 is connected with metal master 11 after by the combination of electric capacity and inductance, it is 704MHz-960MHz that the main antenna 14 obtaining covers Frequency scope, and high frequency frequency range is 1710MHz-2170MHz.
In addition, the auxiliary antenna that this slave antenna 16 is other, as gps antenna, WIFI antenna or diversity antenna, and the technology that realizes of this slave antenna 16 is identical with main antenna 14, does not repeat them here.
The second embodiment
As shown in Figure 5, in a second embodiment, this mobile terminal metal antenna is arranged on this mobile terminal equally, this mobile terminal 20 comprises metal master 21, display screen 22, the first non-conductor 23, the second non-conductor 25, main antenna 24 and slave antenna 26, this mobile terminal 20 is also provided with other structures, as button, loud speaker, the first-class equipment of shooting.Wherein, this first non-conductor 23 and the second non-conductor 25 are respectively used to metal master 21 and main antenna 24 and slave antenna 26 to separate, and this first non-conductor 23 and the second non-conductor 25 are that high molecular polymer medium is as PC, ABS etc., by injection moulding, connect main antenna 24 and slave antenna 26 one-body molded with metal master 21.
As shown in Figure 6 to 7, this main antenna 24 comprises a distributing point: the first distributing point 240, two radiant bodies: the first radiant body 241 and the second radiant body 243, isolation non-conductor 242 and earthed circuit 244, wherein, as shown in the figure, this earthed circuit 244 and the first distributing point 240 are positioned at the not homonymy of metal master 21, when this earthed circuit and distributing point are positioned at homonymy, the main antenna covering frequence frequency that main antenna covers when being positioned at heteropleural is low, therefore, can whether be positioned at homonymy by regulated ground circuit and distributing point, regulate the resonance frequency of this low frequency and high frequency to uprise or step-down simultaneously, in specific implementation process, this first radiant body 241 connects this first distributing point 240 direct feed, this second radiant body 243 is realized the feed of the second radiant body 243 by this isolation non-conductor 242 and the first radiant body 241 couplings, thereby make this first radiant body 241 cover HFS signal as DCS signal (frequency range is 1710MHz-1880MHz) and PCS signal (frequency range is 1850MHz-1990MHz), this second radiant body 243 covers low frequency part signal as GSM850 and GSM900.
And in specific implementation process, in the present embodiment, this earthed circuit 244 uses Zero-ohm resistor to be connected with metal master; And in the present embodiment, this first radiant body 241 can be strip, the second radiant body 243 is L shaped, i.e. the first radiant body 241 setting contrary to the second radiant body 243 of this first radiant body 241 and the second radiant body 243 and the first embodiment, and this first radiant body is positioned at the bottom of the second radiant body, by controlling the resonance frequency of the distance adjustment HFS between this first radiant body and the second radiant body.(description of other parts can, referring to the description of the first embodiment, be not described in detail at this)
In addition, we it should further be appreciated that, the utility model is not limited with this embodiment, the mode being connected by Zero-ohm resistor that the earthed circuit that the utility model relates to is not limited to propose in the present embodiment with the connection of metal master, can also, by the mode in other embodiment, use according to the size of mobile terminal and environment; And, can be by frequency range and the bandwidth of the adjusting of this radiant body of distance adjustment between this isolation non-conductor of adjusting or the first radiant body and the second radiant body.
Obviously, those skilled in the art can carry out various changes and distortion and not depart from spirit and scope of the present utility model the utility model.Like this, if these modifications of the present utility model and distortion belong in the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these and changes interior.

Claims (7)

1. a mobile terminal metal antenna, be arranged on a mobile terminal, this mobile terminal comprises metal master, display screen, the first non-conductor, the second non-conductor, main antenna and slave antenna, described the first non-conductor and the second non-conductor are a closed ring body, described main antenna and described slave antenna lay respectively at the two ends of described metal master, by described the first non-conductor and described the second non-conductor, described metal master and described main antenna and described slave antenna are separated; It is characterized in that, described main antenna comprises the first distributing point, the first radiant body, the second radiant body, isolation non-conductor and earthed circuit, described the first distributing point is positioned at the first non-conductor place that described metal master is connected with described the first radiant body, and described the first distributing point is near the side top of described the first radiant body; Described isolation non-conductor is C shape, and described isolation non-conductor head and the tail are connected with described the first non-conductor, and the idioelectric width of described isolation is 0.5-2mm; Described earthed circuit is connected with described metal master, and described isolation non-conductor connects respectively described the first radiant body and described the second radiant body, and described the first radiant body and described the second radiant body are isolated with described metal master respectively.
2. mobile terminal metal antenna according to claim 1, is characterized in that, described mobile terminal metal antenna also comprises the second distributing point, and described the second distributing point is arranged on described the second radiant body and described first idioelectric junction.
3. mobile terminal metal antenna according to claim 1 and 2, is characterized in that, the inner hollow out of described the first radiant body is L-shaped, and described the first radiant body inside arranges loud speaker sender; Described the first radiant body below or top place described the second radiant body, described the second radiant body is strip.
4. mobile terminal metal antenna according to claim 1, it is characterized in that, described the first distributing point and described earthed circuit are positioned at the not homonymy of metal master, described the first radiant body is by connecting described the first distributing point direct feed, and described the second radiant body is by described isolation non-conductor and described the first radiant body coupling feed.
5. mobile terminal metal antenna according to claim 2, it is characterized in that, described the first radiant body is connected respectively described the first distributing point and described the second distributing point with described the second radiant body, and described the first radiant body and described the second radiant body feed respectively.
6. mobile terminal metal antenna according to claim 1, is characterized in that, described earthed circuit is connected with described metal master with inductive bank zoarium or variable capacitor by Zero-ohm resistor or electric capacity.
7. mobile terminal metal antenna according to claim 1, is characterized in that, described slave antenna is other auxiliary antennas.
CN201320852580.8U 2013-12-23 2013-12-23 Mobile terminal metal antenna Expired - Fee Related CN203674398U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105098330A (en) * 2015-08-04 2015-11-25 青岛海信移动通信技术股份有限公司 Mobile terminal antenna and mobile terminal
CN105306631A (en) * 2015-09-30 2016-02-03 努比亚技术有限公司 Antenna and mobile terminal
WO2016015284A1 (en) * 2014-07-31 2016-02-04 华为技术有限公司 Mobile terminal
CN106486757A (en) * 2015-08-26 2017-03-08 小米科技有限责任公司 A kind of antenna, mobile terminal back-cover and mobile terminal
CN109103583A (en) * 2018-09-11 2018-12-28 合肥联宝信息技术有限公司 Antenna and electronic equipment
WO2019071411A1 (en) * 2017-10-10 2019-04-18 深圳传音制造有限公司 Mobile terminal and control method therefor

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105745785B (en) * 2014-07-31 2019-05-28 华为技术有限公司 Mobile terminal
WO2016015284A1 (en) * 2014-07-31 2016-02-04 华为技术有限公司 Mobile terminal
CN105745785A (en) * 2014-07-31 2016-07-06 华为技术有限公司 Mobile terminal
US10347969B2 (en) 2014-07-31 2019-07-09 Huawei Technologies Co., Ltd. Mobile terminal with an antenna having multiple radiators
CN105098330A (en) * 2015-08-04 2015-11-25 青岛海信移动通信技术股份有限公司 Mobile terminal antenna and mobile terminal
CN105098330B (en) * 2015-08-04 2018-08-21 青岛海信移动通信技术股份有限公司 Mobile terminal antenna and mobile terminal
CN106486757B (en) * 2015-08-26 2021-01-15 小米科技有限责任公司 Antenna, mobile terminal back cover and mobile terminal
CN106486757A (en) * 2015-08-26 2017-03-08 小米科技有限责任公司 A kind of antenna, mobile terminal back-cover and mobile terminal
CN105306631B (en) * 2015-09-30 2018-08-17 努比亚技术有限公司 A kind of antenna and mobile terminal
WO2017054678A1 (en) * 2015-09-30 2017-04-06 努比亚技术有限公司 Antenna and mobile terminal
CN105306631A (en) * 2015-09-30 2016-02-03 努比亚技术有限公司 Antenna and mobile terminal
WO2019071411A1 (en) * 2017-10-10 2019-04-18 深圳传音制造有限公司 Mobile terminal and control method therefor
CN109103583A (en) * 2018-09-11 2018-12-28 合肥联宝信息技术有限公司 Antenna and electronic equipment
CN109103583B (en) * 2018-09-11 2024-05-28 合肥联宝信息技术有限公司 Antenna and electronic equipment

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

Granted publication date: 20140625

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