CN203674379U - Mobile terminal metal-structure antenna - Google Patents
Mobile terminal metal-structure antenna Download PDFInfo
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- CN203674379U CN203674379U CN201320852581.2U CN201320852581U CN203674379U CN 203674379 U CN203674379 U CN 203674379U CN 201320852581 U CN201320852581 U CN 201320852581U CN 203674379 U CN203674379 U CN 203674379U
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Abstract
The utility model discloses a mobile terminal metal-structure 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 respectively connected with the main antenna and the auxiliary antenna by injection moulding and are integrally formed with the metallic body. The main antenna comprises a feeding point, a radiator, a first grounding circuit, and a second grounding circuit. The main antenna and the auxiliary antenna are respectively arranged on the two ends of the metallic body. The feeding point is disposed at a joint of the main antenna and the metallic body and is close to the top of a side of the radiator. The radiator is in a U or C shape and is connected with the metallic body in different manners in order to achieve a fact that the antenna covers high-frequency and low-frequency signals. Therefore, a wide bandwidth is achieved and the large-size mobile terminal may cover signals in multiple frequencies.
Description
Technical field
The utility model relates to communication antenna field, relates in particular to a kind of mobile terminal metal structure 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 feed, 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 structure 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, and the mobile terminal metal structure antenna that can improve bandwidth of easily realizing.
To achieve these goals, the utility model provides a kind of mobile terminal metal structure antenna, this mobile terminal metal structure antenna is 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 is connected respectively described main antenna and described slave antenna one-body molded with described metal master with described the second non-conductor through injection moulding, described main antenna and described slave antenna are arranged at respectively the two ends of described metal master, and this main antenna and slave antenna all have multiple surfaces, chamfering, the features such as curved surface, its inside can have various hollow out features, as loud speaker sender, earphone jack etc., described main antenna comprises distributing point, radiant body, the first earthed circuit and the second earthed circuit, described distributing point is arranged on the junction of described main antenna and described metal master, and near the side top of described radiant body.
Preferably, described radiant body is c-shaped, the body interior hollow out of described radiant body, and two flanks of described radiant body extend to described metal master direction; Thereby make its radiant body main part produce low-frequency resonant, radiant body produces high-frequency resonant to the extension of metal master direction.
Preferably, described the first earthed circuit is all connected with described metal master with described the second earthed circuit, and described the first earthed circuit and described the second earthed circuit are positioned at the different sides of described metal master.
Preferably, described the first non-conductor connects described radiant body and described metal master, because first idioelectric width affects the Energy Coupling between metal master and radiant body, can regulate the coupling between described metal master and described radiant body by described the first non-conductor, the first non-conductor is wider, be coupled more weak, the Q value of main antenna is lower, and bandwidth is wider.
Preferably, described radiant body is U shape, the body interior hollow out of described radiant body, and the two sides of described radiant body arrange opening, and described metal master has ox horn shape extension to described radiant body direction; This radiant body main part is for generation of low-frequency resonant, and the ox horn shape extension of metal master case radiant body direction is for high frequency radiation, from the radiation of radiant body coupling energy, and covers high-frequency band by the first non-conductor.
Preferably, described the first earthed circuit is all connected with described metal master with described the second earthed circuit, and described the first earthed circuit and described the second earthed circuit are positioned at the same side of described metal master.
Preferably, described the first non-conductor connects described radiant body and metallic conductor, and described the first non-conductor is ox horn shape or C shape, by changing the Energy Coupling between metal master and described radiant body described in described first idioelectric width adjusting.
Preferably, described slave antenna is other auxiliary antennas, and as gps antenna, WIFI antenna or diversity antenna, described metal master is the metal or alloy with electric conductivity.
Preferably, described the first earthed circuit is all connected with described metal master with assembly or the variable capacitor of inductance by Zero-ohm resistor or electric capacity with the second earthed circuit, thereby can be that antenna is realized different bandwidth.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, mobile terminal metal structure antenna of the present utility model is that main antenna comprises feed, radiant body, the first earthed circuit and the second earthed circuit, and by the first non-conductor and the second non-conductor respectively by this main antenna and slave antenna and metal master isolation, make this antenna can cover the frequency of different frequency range by the different ways of contact of radiant body and metal master, this antenna structure is simple, and easily realizes the metal structure of antenna.
2, mobile terminal metal structure antenna of the present utility model covers respectively low frequency part and HFS by radiant body, and the first earthed circuit is connected with metal master by Zero-ohm resistor with the second earthed circuit, this beamwidth of antenna is increased, thereby make this antenna there is the characteristic of wider bandwidth.
Accompanying drawing explanation
Fig. 1 is the first embodiment mobile terminal surface structure schematic diagram;
Fig. 2 is the first embodiment mobile terminal front and side structure schematic diagram;
Fig. 3 is the structural representation of the utility model the first embodiment mobile terminal metal structure antenna;
Fig. 4 is the utility model the second embodiment mobile terminal surface structure schematic diagram;
Fig. 5 is the utility model the second embodiment mobile terminal front and side structure schematic diagram;
Fig. 6 is the structural representation of the utility model the second embodiment mobile terminal metal structure antenna.
Symbol list:
11-metal master, 12-display screen, 13-the first non-conductor, 14-main antenna, 15-the second non-conductor, 16-slave antenna;
140-distributing point, 141-radiant body, 142-the first earthed circuit, 143-the second earthed circuit;
240-distributing point, 241-radiant body, 242-the first earthed circuit, 243-the second earthed circuit.
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 Figure 1 to Figure 3, the mobile terminal metal structure antenna that the utility model provides, this mobile terminal metal structure antenna is arranged on a mobile terminal, this mobile terminal comprises metal master 11, display screen 12, the first non-conductor 13, the second non-conductor 15, main antenna 14 and slave antenna 16, the data image display unit that this display screen 12 is mobile terminal, generally can be touch display screen, it is of a size of more than 4.7 inches; The metal with electric conductivity that the thickness D of this metal master 11 is 5-10mm or alloy are made metal master shape as shown in Figure 1 by milling, forging and stamping etc.; This first non-conductor 13 and the second non-conductor 15 are the closed ring body of width 0.5-2mm, and be C shape, 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 through injection moulding, for this main antenna 14 and slave antenna 16 are isolated with metal master 11, this main antenna 14 and slave antenna 16 lay respectively at the two ends of metal master 11 as shown in the figure, and this main antenna 14 and slave antenna 16 are hollow lid-like; This main antenna 14 comprises distributing point 140, radiant body 141, the first earthed circuit 142 and the second earthed circuit 143, and this distributing point 140 is arranged on the junction of this main antenna 14 and metal master 11, and the side top of close radiant body 141.
Wherein, this first earthed circuit 142 is all connected with metal master 11 with the second earthed circuit 143, and this first earthed circuit 142 and the second earthed circuit 143 are positioned at the different sides of metal master 11; This first earthed circuit 142 and the second earthed circuit 143 can pass through three kinds of modes: wherein, mode one is to be connected with metal master by Zero-ohm resistor, mode two be by electric capacity with after inductor combination, be connected with metal master, mode three is for being connected with metal master by diode, variable capacitor or switch, can determine according to the size of mobile terminal and environment for use, and in the present embodiment, this first earthed circuit by using Zero-ohm resistor to be connected with metal master, is realized the wider bandwidth of main antenna with the second earthed circuit by use Zero-ohm resistor.
In specific implementation process, the utility model can be selected only to use the first earthed circuit 142 or be with the second earthed circuit 143, for example, cover frequency range for GSM850/GSM900, DCS and PCS if only use the first earthed circuit 142 to obtain main antenna 14 in the present embodiment, if the main antenna 14 that only uses the second earthed circuit 143 to obtain covers frequency range for W850/W900, W1990 and W2100; Thereby, further draw, if use the first earthed circuit 142 and the second earthed circuit 143 simultaneously, this main antenna 14 can cover all frequency ranges of GSM and WCDMA.
And, this radiant body 141 is C shape, the body interior hollow out loud speaker sender of this radiant body 141, two flanks of radiant body 141 extend to metal master 11 directions, these radiant body 141 main parts produce low-frequency resonant, resonance frequency, between 700MHz-900MHz, is used for high frequency radiation to the extension of metal master 11 directions, and resonance frequency is at 1700MHz-2000MHz; This first non-conductor 13 connects radiant body 141 and metal master 11, because the width of this first non-conductor 13 is 0.5mm-2mm, the width of this first non-conductor 13 affects the Energy Coupling between metal master 11 and radiant body 141, the first non-conductor 13 is wider, be coupled more weak, the Q value of antenna is lower, and bandwidth is wider, can increase or reduce the beamwidth of antenna by the width that regulates this first non-conductor 13.
In specific implementation process, this main antenna 14 and slave antenna 16 have the features such as multiple surfaces, chamfering, curved surface, can also there are various hollow out features, 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 and earphone etc.This slave antenna 16 is other auxiliary antennas, and as gps antenna, WIFI antenna or diversity antenna, due in specific implementation process, the technology that realizes of this slave antenna 16 is identical with main antenna, does not repeat them here.
The second embodiment
As Figure 4-Figure 6, this mobile terminal metal structure antenna is arranged on mobile terminal, this mobile terminal 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 also comprises that other structures are as equipment such as button, loud speaker, camera, USB, this main antenna 14 and slave antenna 16 are isolated with metal master 11 by the first non-conductor 13 and the second non-conductor 15 respectively, and are connected and form an entirety with this metal master 11; And this main antenna 14 and slave antenna 16 lay respectively at the two ends of metal master 11, and distance between this metal master 11 and main antenna 14 and slave antenna 16 is the width of the first non-conductor 13 and the second non-conductor 15, is generally 0.5mm-2mm.
This main antenna 14 comprises a distributing point 240, radiant body 241, the first earthed circuit 242 and second earthed circuit 243, and this distributing point 240 is positioned at the junction of metal master 11 and main antenna 14, and near radiant body 241 side tops; This first earthed circuit 242 and the second earthed circuit 243 are arranged on the same side of metal master 11, and the first earthed circuit 242 is connected with metal master 11 by Zero-ohm resistor with the second earthed circuit 243, thereby improve bandwidth.In specific implementation process, can select only to use the first earthed circuit 242 or only use the second earthed circuit 243, also can use simultaneously, thereby make these main antenna 14 covering frequence scopes wider.
As shown in Figure 6, this first non-conductor 13 connects radiant body 241 and metal master 11, and the front view of this first non-conductor 13 as shown is ox horn shape or C shape; This radiant body is U shape, these radiant body 241 body interior hollow out loud speaker senders, and these radiant body 241 two sides openings, radiant body 241 main parts produce low frequency description, as GSM850 or GSM900; And, this metal master 11 has to radiant body 241 direction ox horn shape extensions, this ox horn shape extension is for high frequency radiation, by the first non-conductor 13 from radiant body 241 coupling energy radiation, cover high-frequency band, as DCS(1710MHz-1880MHz) or PCS(1850MHz-1990MHz); And the width of this first non-conductor 13 affects the Energy Coupling between metal master 11 and radiant body 241, the first non-conductor 13 is wider, is coupled more weak, and the Q value of antenna is lower, and bandwidth is wider; Thereby can, by the width that changes the first non-conductor 13, change the beamwidth of antenna.
Because other guide is identical with the first embodiment, repeat no more inferior, in addition, because the technology that realizes of slave antenna is identical with main antenna, be not also described in detail.
In addition, only has a radiant body at the metal structure antenna of mobile terminal of the present utility model, by the first non-conductor, this radiant body is separated with metal master, by the comparison of the first embodiment and the second embodiment, different is, the low frequency bandwidth of low frequency bandwidth ratio the second embodiment of this first embodiment is good, and the high frequency bandwidth of this second embodiment is better than the high frequency bandwidth of the first embodiment; In the first embodiment, radiant body extends to metal master direction, and the low frequency radiation of its radiant body improves, and in this second embodiment, metal master extends to radiant body, and high-frequency coupling strengthens, and the high frequency radiation of radiant body is improved.And, the frequency that when frequency ratio that when this first earthed circuit and the second earthed circuit are positioned at homonymy, main antenna covers is positioned at heteropleural, main antenna covers is low, if need to regulate the resonance frequency of low frequency and high frequency that it is uprised or step-down simultaneously, can be by regulating the first earthed circuit and the second earthed circuit to be positioned at homonymy or the heteropleural of metal master.
Pass through foregoing description, thereby embodying the metal structure antenna of this mobile terminal, it is simple in structure, easily realize its metal structure, and pass through in radiant body and first idioelectric adjusting setting, and change year first earthed circuit and the different usings method of the second earthed circuit, effectively improve the beamwidth of antenna, make it have with wide characteristic.
In addition, we it should further be appreciated that, the utility model is not limited with this embodiment, being connected not only between the first earthed circuit that the utility model relates to and the second earthed circuit and metal master can connect by Zero-ohm resistor, can also adopt variable capacitor or switch be connected with metal master according to the difference of the size of mobile terminal and environment for use, can also by electric capacity with after inductor combination, be connected with metal master again; And, in specific implementation process, can be by changing first idioelectric width, change the size of radiant body and the value of the first earthed circuit, the second earthed circuit inductance or electric capacity, the Frequency that the first radiant body produces can cover LTE frequency range (being that frequency range is 704MHz-960MHz) simultaneously.
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 (9)
1. a mobile terminal metal structure 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 is connected respectively described main antenna and described slave antenna one-body molded with described metal master with described the second non-conductor through injection moulding, it is characterized in that, described main antenna comprises distributing point, radiant body, the first earthed circuit and the second earthed circuit, described main antenna and described slave antenna are arranged at respectively the two ends of described metal master, described distributing point is arranged on the junction of described main antenna and described metal master, and near the side top of described radiant body.
2. mobile terminal metal structure antenna according to claim 1, is characterized in that, described radiant body is c-shaped, the body interior hollow out of described radiant body, and two flanks of described radiant body extend to described metal master direction.
3. mobile terminal metal structure antenna according to claim 2, it is characterized in that, described the first earthed circuit is all connected with described metal master with described the second earthed circuit, and described the first earthed circuit and described the second earthed circuit are positioned at the different sides of described metal master.
4. mobile terminal metal structure antenna according to claim 3, is characterized in that, described the first non-conductor connects described radiant body and described metal master, regulates the coupling between described metal master and described radiant body by described the first non-conductor.
5. mobile terminal metal structure antenna according to claim 1, it is characterized in that, described radiant body is U shape, the body interior hollow out of described radiant body, the two sides of described radiant body arrange opening, and described metal master has ox horn shape extension to described radiant body direction.
6. mobile terminal metal structure antenna according to claim 5, it is characterized in that, described the first earthed circuit is all connected with described metal master with described the second earthed circuit, and described the first earthed circuit and described the second earthed circuit are positioned at the same side of described metal master.
7. mobile terminal metal structure antenna according to claim 6, it is characterized in that, described the first non-conductor connects described radiant body and metallic conductor, and described the first non-conductor is ox horn shape or C shape, regulate the coupling between described metal master and described radiant body by described the first non-conductor.
8. mobile terminal metal structure antenna according to claim 1, is characterized in that, described slave antenna is other auxiliary antennas, and described metal master is the metal or alloy with electric conductivity.
9. mobile terminal metal structure antenna according to claim 1, is characterized in that, described the first earthed circuit is all connected with described metal master with assembly or the variable capacitor of inductance by Zero-ohm resistor or electric capacity with described the second earthed circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852581.2U CN203674379U (en) | 2013-12-23 | 2013-12-23 | Mobile terminal metal-structure antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852581.2U CN203674379U (en) | 2013-12-23 | 2013-12-23 | Mobile terminal metal-structure antenna |
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| CN203674379U true CN203674379U (en) | 2014-06-25 |
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| CN201320852581.2U Expired - Fee Related CN203674379U (en) | 2013-12-23 | 2013-12-23 | Mobile terminal metal-structure antenna |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393405A (en) * | 2014-11-26 | 2015-03-04 | 河源中光电通讯技术有限公司 | Frame-type mobile phone antenna |
| CN104505589A (en) * | 2014-12-10 | 2015-04-08 | 深圳市信维通信股份有限公司 | LTE (Long Term Evolution) carrier aggregation antenna of portable equipment with full-metal shell |
| CN104868242A (en) * | 2015-05-22 | 2015-08-26 | 厦门大学 | Broadband patch antenna possessing ground radiation mode |
| WO2016000182A1 (en) * | 2014-06-30 | 2016-01-07 | 宇龙计算机通信科技(深圳)有限公司 | Electronic device for wireless communications |
| CN106898880A (en) * | 2015-12-21 | 2017-06-27 | 小米科技有限责任公司 | Antenna module and electronic equipment |
| CN106898879A (en) * | 2015-12-21 | 2017-06-27 | 小米科技有限责任公司 | Antenna module and electronic equipment |
| CN107196042A (en) * | 2017-05-27 | 2017-09-22 | 北京小米移动软件有限公司 | Anneta module, terminal and electronic equipment |
| CN107275756A (en) * | 2017-06-05 | 2017-10-20 | 捷开通讯(深圳)有限公司 | A kind of communication terminal and its antenna |
| CN107851895A (en) * | 2016-04-05 | 2018-03-27 | 华为技术有限公司 | Terminal antenna and terminal |
| TWI633709B (en) * | 2016-12-20 | 2018-08-21 | 宏碁股份有限公司 | Mobile electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016000182A1 (en) * | 2014-06-30 | 2016-01-07 | 宇龙计算机通信科技(深圳)有限公司 | Electronic device for wireless communications |
| CN104393405A (en) * | 2014-11-26 | 2015-03-04 | 河源中光电通讯技术有限公司 | Frame-type mobile phone antenna |
| CN104505589A (en) * | 2014-12-10 | 2015-04-08 | 深圳市信维通信股份有限公司 | LTE (Long Term Evolution) carrier aggregation antenna of portable equipment with full-metal shell |
| CN104505589B (en) * | 2014-12-10 | 2018-03-23 | 深圳市信维通信股份有限公司 | LTE carrier aggregation antenna with full metal jacket portable set |
| CN104868242B (en) * | 2015-05-22 | 2017-12-08 | 厦门大学 | A kind of wideband patch antenna with eradiation mould |
| CN104868242A (en) * | 2015-05-22 | 2015-08-26 | 厦门大学 | Broadband patch antenna possessing ground radiation mode |
| CN106898880A (en) * | 2015-12-21 | 2017-06-27 | 小米科技有限责任公司 | Antenna module and electronic equipment |
| CN106898879A (en) * | 2015-12-21 | 2017-06-27 | 小米科技有限责任公司 | Antenna module and electronic equipment |
| CN106898880B (en) * | 2015-12-21 | 2020-01-07 | 小米科技有限责任公司 | Antenna assembly and electronic equipment |
| CN106898879B (en) * | 2015-12-21 | 2020-11-27 | 小米科技有限责任公司 | Antenna assembly and electronic equipment |
| CN107851895A (en) * | 2016-04-05 | 2018-03-27 | 华为技术有限公司 | Terminal antenna and terminal |
| TWI633709B (en) * | 2016-12-20 | 2018-08-21 | 宏碁股份有限公司 | Mobile electronic device |
| CN107196042A (en) * | 2017-05-27 | 2017-09-22 | 北京小米移动软件有限公司 | Anneta module, terminal and electronic equipment |
| CN107196042B (en) * | 2017-05-27 | 2020-02-07 | 北京小米移动软件有限公司 | Antenna module, terminal and electronic equipment |
| CN107275756A (en) * | 2017-06-05 | 2017-10-20 | 捷开通讯(深圳)有限公司 | A kind of communication terminal and its antenna |
| CN107275756B (en) * | 2017-06-05 | 2020-07-24 | 捷开通讯(深圳)有限公司 | Mobile communication terminal and antenna thereof |
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Granted publication date: 20140625 Termination date: 20161223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |